the class "CodeMirror-activeline-background".
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
- "use strict";
- var WRAP_CLASS = "CodeMirror-activeline";
- var BACK_CLASS = "CodeMirror-activeline-background";
-
- CodeMirror.defineOption("styleActiveLine", false, function(cm, val, old) {
- var prev = old && old != CodeMirror.Init;
- if (val && !prev) {
- cm.state.activeLines = [];
- updateActiveLines(cm, cm.listSelections());
- cm.on("beforeSelectionChange", selectionChange);
- } else if (!val && prev) {
- cm.off("beforeSelectionChange", selectionChange);
- clearActiveLines(cm);
- delete cm.state.activeLines;
- }
- });
-
- function clearActiveLines(cm) {
- for (var i = 0; i < cm.state.activeLines.length; i++) {
- cm.removeLineClass(cm.state.activeLines[i], "wrap", WRAP_CLASS);
- cm.removeLineClass(cm.state.activeLines[i], "background", BACK_CLASS);
- }
- }
-
- function sameArray(a, b) {
- if (a.length != b.length) return false;
- for (var i = 0; i < a.length; i++)
- if (a[i] != b[i]) return false;
- return true;
- }
-
- function updateActiveLines(cm, ranges) {
- var active = [];
- for (var i = 0; i < ranges.length; i++) {
- var range = ranges[i];
- if (!range.empty()) continue;
- var line = cm.getLineHandleVisualStart(range.head.line);
- if (active[active.length - 1] != line) active.push(line);
- }
- if (sameArray(cm.state.activeLines, active)) return;
- cm.operation(function() {
- clearActiveLines(cm);
- for (var i = 0; i < active.length; i++) {
- cm.addLineClass(active[i], "wrap", WRAP_CLASS);
- cm.addLineClass(active[i], "background", BACK_CLASS);
- }
- cm.state.activeLines = active;
- });
- }
-
- function selectionChange(cm, sel) {
- updateActiveLines(cm, sel.ranges);
- }
-});
diff --git a/html_xblock/public/plugins/codemirror/codemirror-4.8/lib/codemirror.css b/html_xblock/public/plugins/codemirror/codemirror-4.8/lib/codemirror.css
deleted file mode 100644
index e2d4ec2..0000000
--- a/html_xblock/public/plugins/codemirror/codemirror-4.8/lib/codemirror.css
+++ /dev/null
@@ -1,318 +0,0 @@
-/* BASICS */
-
-.CodeMirror {
- /* Set height, width, borders, and global font properties here */
- font-family: monospace;
- height: 300px;
-}
-.CodeMirror-scroll {
- /* Set scrolling behaviour here */
- overflow: auto;
-}
-
-/* PADDING */
-
-.CodeMirror-lines {
- padding: 4px 0; /* Vertical padding around content */
-}
-.CodeMirror pre {
- padding: 0 4px; /* Horizontal padding of content */
-}
-
-.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
- background-color: white; /* The little square between H and V scrollbars */
-}
-
-/* GUTTER */
-
-.CodeMirror-gutters {
- border-right: 1px solid #ddd;
- background-color: #f7f7f7;
- white-space: nowrap;
-}
-.CodeMirror-linenumbers {}
-.CodeMirror-linenumber {
- padding: 0 3px 0 5px;
- min-width: 20px;
- text-align: right;
- color: #999;
- -moz-box-sizing: content-box;
- box-sizing: content-box;
-}
-
-.CodeMirror-guttermarker { color: black; }
-.CodeMirror-guttermarker-subtle { color: #999; }
-
-/* CURSOR */
-
-.CodeMirror div.CodeMirror-cursor {
- border-left: 1px solid black;
-}
-/* Shown when moving in bi-directional text */
-.CodeMirror div.CodeMirror-secondarycursor {
- border-left: 1px solid silver;
-}
-.CodeMirror.cm-fat-cursor div.CodeMirror-cursor {
- width: auto;
- border: 0;
- background: #7e7;
-}
-.CodeMirror.cm-fat-cursor div.CodeMirror-cursors {
- z-index: 1;
-}
-
-.cm-animate-fat-cursor {
- width: auto;
- border: 0;
- -webkit-animation: blink 1.06s steps(1) infinite;
- -moz-animation: blink 1.06s steps(1) infinite;
- animation: blink 1.06s steps(1) infinite;
-}
-@-moz-keyframes blink {
- 0% { background: #7e7; }
- 50% { background: none; }
- 100% { background: #7e7; }
-}
-@-webkit-keyframes blink {
- 0% { background: #7e7; }
- 50% { background: none; }
- 100% { background: #7e7; }
-}
-@keyframes blink {
- 0% { background: #7e7; }
- 50% { background: none; }
- 100% { background: #7e7; }
-}
-
-/* Can style cursor different in overwrite (non-insert) mode */
-div.CodeMirror-overwrite div.CodeMirror-cursor {}
-
-.cm-tab { display: inline-block; text-decoration: inherit; }
-
-.CodeMirror-ruler {
- border-left: 1px solid #ccc;
- position: absolute;
-}
-
-/* DEFAULT THEME */
-
-.cm-s-default .cm-keyword {color: #708;}
-.cm-s-default .cm-atom {color: #219;}
-.cm-s-default .cm-number {color: #164;}
-.cm-s-default .cm-def {color: #00f;}
-.cm-s-default .cm-variable,
-.cm-s-default .cm-punctuation,
-.cm-s-default .cm-property,
-.cm-s-default .cm-operator {}
-.cm-s-default .cm-variable-2 {color: #05a;}
-.cm-s-default .cm-variable-3 {color: #085;}
-.cm-s-default .cm-comment {color: #a50;}
-.cm-s-default .cm-string {color: #a11;}
-.cm-s-default .cm-string-2 {color: #f50;}
-.cm-s-default .cm-meta {color: #555;}
-.cm-s-default .cm-qualifier {color: #555;}
-.cm-s-default .cm-builtin {color: #30a;}
-.cm-s-default .cm-bracket {color: #997;}
-.cm-s-default .cm-tag {color: #170;}
-.cm-s-default .cm-attribute {color: #00c;}
-.cm-s-default .cm-header {color: blue;}
-.cm-s-default .cm-quote {color: #090;}
-.cm-s-default .cm-hr {color: #999;}
-.cm-s-default .cm-link {color: #00c;}
-
-.cm-negative {color: #d44;}
-.cm-positive {color: #292;}
-.cm-header, .cm-strong {font-weight: bold;}
-.cm-em {font-style: italic;}
-.cm-link {text-decoration: underline;}
-.cm-strikethrough {text-decoration: line-through;}
-
-.cm-s-default .cm-error {color: #f00;}
-.cm-invalidchar {color: #f00;}
-
-/* Default styles for common addons */
-
-div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
-div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
-.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); }
-.CodeMirror-activeline-background {background: #e8f2ff;}
-
-/* STOP */
-
-/* The rest of this file contains styles related to the mechanics of
- the editor. You probably shouldn't touch them. */
-
-.CodeMirror {
- line-height: 1;
- position: relative;
- overflow: hidden;
- background: white;
- color: black;
-}
-
-.CodeMirror-scroll {
- /* 30px is the magic margin used to hide the element's real scrollbars */
- /* See overflow: hidden in .CodeMirror */
- margin-bottom: -30px; margin-right: -30px;
- padding-bottom: 30px;
- height: 100%;
- outline: none; /* Prevent dragging from highlighting the element */
- position: relative;
- -moz-box-sizing: content-box;
- box-sizing: content-box;
-}
-.CodeMirror-sizer {
- position: relative;
- border-right: 30px solid transparent;
- -moz-box-sizing: content-box;
- box-sizing: content-box;
-}
-
-/* The fake, visible scrollbars. Used to force redraw during scrolling
- before actuall scrolling happens, thus preventing shaking and
- flickering artifacts. */
-.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
- position: absolute;
- z-index: 6;
- display: none;
-}
-.CodeMirror-vscrollbar {
- right: 0; top: 0;
- overflow-x: hidden;
- overflow-y: scroll;
-}
-.CodeMirror-hscrollbar {
- bottom: 0; left: 0;
- overflow-y: hidden;
- overflow-x: scroll;
-}
-.CodeMirror-scrollbar-filler {
- right: 0; bottom: 0;
-}
-.CodeMirror-gutter-filler {
- left: 0; bottom: 0;
-}
-
-.CodeMirror-gutters {
- position: absolute; left: 0; top: 0;
- padding-bottom: 30px;
- z-index: 3;
-}
-.CodeMirror-gutter {
- white-space: normal;
- height: 100%;
- -moz-box-sizing: content-box;
- box-sizing: content-box;
- padding-bottom: 30px;
- margin-bottom: -32px;
- display: inline-block;
- /* Hack to make IE7 behave */
- *zoom:1;
- *display:inline;
-}
-.CodeMirror-gutter-wrapper {
- position: absolute;
- z-index: 4;
- height: 100%;
-}
-.CodeMirror-gutter-elt {
- position: absolute;
- cursor: default;
- z-index: 4;
-}
-
-.CodeMirror-lines {
- cursor: text;
- min-height: 1px; /* prevents collapsing before first draw */
-}
-.CodeMirror pre {
- /* Reset some styles that the rest of the page might have set */
- -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
- border-width: 0;
- background: transparent;
- font-family: inherit;
- font-size: inherit;
- margin: 0;
- white-space: pre;
- word-wrap: normal;
- line-height: inherit;
- color: inherit;
- z-index: 2;
- position: relative;
- overflow: visible;
-}
-.CodeMirror-wrap pre {
- word-wrap: break-word;
- white-space: pre-wrap;
- word-break: normal;
-}
-
-.CodeMirror-linebackground {
- position: absolute;
- left: 0; right: 0; top: 0; bottom: 0;
- z-index: 0;
-}
-
-.CodeMirror-linewidget {
- position: relative;
- z-index: 2;
- overflow: auto;
-}
-
-.CodeMirror-widget {}
-
-.CodeMirror-wrap .CodeMirror-scroll {
- overflow-x: hidden;
-}
-
-.CodeMirror-measure {
- position: absolute;
- width: 100%;
- height: 0;
- overflow: hidden;
- visibility: hidden;
-}
-.CodeMirror-measure pre { position: static; }
-
-.CodeMirror div.CodeMirror-cursor {
- position: absolute;
- border-right: none;
- width: 0;
-}
-
-div.CodeMirror-cursors {
- visibility: hidden;
- position: relative;
- z-index: 3;
-}
-.CodeMirror-focused div.CodeMirror-cursors {
- visibility: visible;
-}
-
-.CodeMirror-selected { background: #d9d9d9; }
-.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
-.CodeMirror-crosshair { cursor: crosshair; }
-
-.cm-searching {
- background: #ffa;
- background: rgba(255, 255, 0, .4);
-}
-
-/* IE7 hack to prevent it from returning funny offsetTops on the spans */
-.CodeMirror span { *vertical-align: text-bottom; }
-
-/* Used to force a border model for a node */
-.cm-force-border { padding-right: .1px; }
-
-@media print {
- /* Hide the cursor when printing */
- .CodeMirror div.CodeMirror-cursors {
- visibility: hidden;
- }
-}
-
-/* See issue #2901 */
-.cm-tab-wrap-hack:after { content: ''; }
-
-/* Help users use markselection to safely style text background */
-span.CodeMirror-selectedtext { background: none; }
diff --git a/html_xblock/public/plugins/codemirror/codemirror-4.8/lib/codemirror.js b/html_xblock/public/plugins/codemirror/codemirror-4.8/lib/codemirror.js
deleted file mode 100644
index e6011f7..0000000
--- a/html_xblock/public/plugins/codemirror/codemirror-4.8/lib/codemirror.js
+++ /dev/null
@@ -1,7922 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-// This is CodeMirror (http://codemirror.net), a code editor
-// implemented in JavaScript on top of the browser's DOM.
-//
-// You can find some technical background for some of the code below
-// at http://marijnhaverbeke.nl/blog/#cm-internals .
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- module.exports = mod();
- else if (typeof define == "function" && define.amd) // AMD
- return define([], mod);
- else // Plain browser env
- this.CodeMirror = mod();
-})(function() {
- "use strict";
-
- // BROWSER SNIFFING
-
- // Kludges for bugs and behavior differences that can't be feature
- // detected are enabled based on userAgent etc sniffing.
-
- var gecko = /gecko\/\d/i.test(navigator.userAgent);
- // ie_uptoN means Internet Explorer version N or lower
- var ie_upto10 = /MSIE \d/.test(navigator.userAgent);
- var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent);
- var ie = ie_upto10 || ie_11up;
- var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]);
- var webkit = /WebKit\//.test(navigator.userAgent);
- var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
- var chrome = /Chrome\//.test(navigator.userAgent);
- var presto = /Opera\//.test(navigator.userAgent);
- var safari = /Apple Computer/.test(navigator.vendor);
- var khtml = /KHTML\//.test(navigator.userAgent);
- var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
- var phantom = /PhantomJS/.test(navigator.userAgent);
-
- var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
- // This is woefully incomplete. Suggestions for alternative methods welcome.
- var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent);
- var mac = ios || /Mac/.test(navigator.platform);
- var windows = /win/i.test(navigator.platform);
-
- var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/);
- if (presto_version) presto_version = Number(presto_version[1]);
- if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
- // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
- var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
- var captureRightClick = gecko || (ie && ie_version >= 9);
-
- // Optimize some code when these features are not used.
- var sawReadOnlySpans = false, sawCollapsedSpans = false;
-
- // EDITOR CONSTRUCTOR
-
- // A CodeMirror instance represents an editor. This is the object
- // that user code is usually dealing with.
-
- function CodeMirror(place, options) {
- if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
-
- this.options = options = options ? copyObj(options) : {};
- // Determine effective options based on given values and defaults.
- copyObj(defaults, options, false);
- setGuttersForLineNumbers(options);
-
- var doc = options.value;
- if (typeof doc == "string") doc = new Doc(doc, options.mode);
- this.doc = doc;
-
- var display = this.display = new Display(place, doc);
- display.wrapper.CodeMirror = this;
- updateGutters(this);
- themeChanged(this);
- if (options.lineWrapping)
- this.display.wrapper.className += " CodeMirror-wrap";
- if (options.autofocus && !mobile) focusInput(this);
-
- this.state = {
- keyMaps: [], // stores maps added by addKeyMap
- overlays: [], // highlighting overlays, as added by addOverlay
- modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
- overwrite: false, focused: false,
- suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
- pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in readInput
- draggingText: false,
- highlight: new Delayed(), // stores highlight worker timeout
- keySeq: null // Unfinished key sequence
- };
-
- // Override magic textarea content restore that IE sometimes does
- // on our hidden textarea on reload
- if (ie && ie_version < 11) setTimeout(bind(resetInput, this, true), 20);
-
- registerEventHandlers(this);
- ensureGlobalHandlers();
-
- startOperation(this);
- this.curOp.forceUpdate = true;
- attachDoc(this, doc);
-
- if ((options.autofocus && !mobile) || activeElt() == display.input)
- setTimeout(bind(onFocus, this), 20);
- else
- onBlur(this);
-
- for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt))
- optionHandlers[opt](this, options[opt], Init);
- maybeUpdateLineNumberWidth(this);
- for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
- endOperation(this);
- }
-
- // DISPLAY CONSTRUCTOR
-
- // The display handles the DOM integration, both for input reading
- // and content drawing. It holds references to DOM nodes and
- // display-related state.
-
- function Display(place, doc) {
- var d = this;
-
- // The semihidden textarea that is focused when the editor is
- // focused, and receives input.
- var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none");
- // The textarea is kept positioned near the cursor to prevent the
- // fact that it'll be scrolled into view on input from scrolling
- // our fake cursor out of view. On webkit, when wrap=off, paste is
- // very slow. So make the area wide instead.
- if (webkit) input.style.width = "1000px";
- else input.setAttribute("wrap", "off");
- // If border: 0; -- iOS fails to open keyboard (issue #1287)
- if (ios) input.style.border = "1px solid black";
- input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); input.setAttribute("spellcheck", "false");
-
- // Wraps and hides input textarea
- d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
- // The fake scrollbar elements.
- d.scrollbarH = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
- d.scrollbarV = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
- // Covers bottom-right square when both scrollbars are present.
- d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
- // Covers bottom of gutter when coverGutterNextToScrollbar is on
- // and h scrollbar is present.
- d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
- // Will contain the actual code, positioned to cover the viewport.
- d.lineDiv = elt("div", null, "CodeMirror-code");
- // Elements are added to these to represent selection and cursors.
- d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
- d.cursorDiv = elt("div", null, "CodeMirror-cursors");
- // A visibility: hidden element used to find the size of things.
- d.measure = elt("div", null, "CodeMirror-measure");
- // When lines outside of the viewport are measured, they are drawn in this.
- d.lineMeasure = elt("div", null, "CodeMirror-measure");
- // Wraps everything that needs to exist inside the vertically-padded coordinate system
- d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
- null, "position: relative; outline: none");
- // Moved around its parent to cover visible view.
- d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
- // Set to the height of the document, allowing scrolling.
- d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
- // Behavior of elts with overflow: auto and padding is
- // inconsistent across browsers. This is used to ensure the
- // scrollable area is big enough.
- d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerCutOff + "px; width: 1px;");
- // Will contain the gutters, if any.
- d.gutters = elt("div", null, "CodeMirror-gutters");
- d.lineGutter = null;
- // Actual scrollable element.
- d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
- d.scroller.setAttribute("tabIndex", "-1");
- // The element in which the editor lives.
- d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
- d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
-
- // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
- if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
- // Needed to hide big blue blinking cursor on Mobile Safari
- if (ios) input.style.width = "0px";
- if (!webkit) d.scroller.draggable = true;
- // Needed to handle Tab key in KHTML
- if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
- // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
- if (ie && ie_version < 8) d.scrollbarH.style.minHeight = d.scrollbarV.style.minWidth = "18px";
-
- if (place) {
- if (place.appendChild) place.appendChild(d.wrapper);
- else place(d.wrapper);
- }
-
- // Current rendered range (may be bigger than the view window).
- d.viewFrom = d.viewTo = doc.first;
- // Information about the rendered lines.
- d.view = [];
- // Holds info about a single rendered line when it was rendered
- // for measurement, while not in view.
- d.externalMeasured = null;
- // Empty space (in pixels) above the view
- d.viewOffset = 0;
- d.lastWrapHeight = d.lastWrapWidth = 0;
- d.updateLineNumbers = null;
-
- // Used to only resize the line number gutter when necessary (when
- // the amount of lines crosses a boundary that makes its width change)
- d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
- // See readInput and resetInput
- d.prevInput = "";
- // Set to true when a non-horizontal-scrolling line widget is
- // added. As an optimization, line widget aligning is skipped when
- // this is false.
- d.alignWidgets = false;
- // Flag that indicates whether we expect input to appear real soon
- // now (after some event like 'keypress' or 'input') and are
- // polling intensively.
- d.pollingFast = false;
- // Self-resetting timeout for the poller
- d.poll = new Delayed();
-
- d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
-
- // Tracks when resetInput has punted to just putting a short
- // string into the textarea instead of the full selection.
- d.inaccurateSelection = false;
-
- // Tracks the maximum line length so that the horizontal scrollbar
- // can be kept static when scrolling.
- d.maxLine = null;
- d.maxLineLength = 0;
- d.maxLineChanged = false;
-
- // Used for measuring wheel scrolling granularity
- d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
-
- // True when shift is held down.
- d.shift = false;
-
- // Used to track whether anything happened since the context menu
- // was opened.
- d.selForContextMenu = null;
- }
-
- // STATE UPDATES
-
- // Used to get the editor into a consistent state again when options change.
-
- function loadMode(cm) {
- cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption);
- resetModeState(cm);
- }
-
- function resetModeState(cm) {
- cm.doc.iter(function(line) {
- if (line.stateAfter) line.stateAfter = null;
- if (line.styles) line.styles = null;
- });
- cm.doc.frontier = cm.doc.first;
- startWorker(cm, 100);
- cm.state.modeGen++;
- if (cm.curOp) regChange(cm);
- }
-
- function wrappingChanged(cm) {
- if (cm.options.lineWrapping) {
- addClass(cm.display.wrapper, "CodeMirror-wrap");
- cm.display.sizer.style.minWidth = "";
- } else {
- rmClass(cm.display.wrapper, "CodeMirror-wrap");
- findMaxLine(cm);
- }
- estimateLineHeights(cm);
- regChange(cm);
- clearCaches(cm);
- setTimeout(function(){updateScrollbars(cm);}, 100);
- }
-
- // Returns a function that estimates the height of a line, to use as
- // first approximation until the line becomes visible (and is thus
- // properly measurable).
- function estimateHeight(cm) {
- var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
- var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
- return function(line) {
- if (lineIsHidden(cm.doc, line)) return 0;
-
- var widgetsHeight = 0;
- if (line.widgets) for (var i = 0; i < line.widgets.length; i++) {
- if (line.widgets[i].height) widgetsHeight += line.widgets[i].height;
- }
-
- if (wrapping)
- return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th;
- else
- return widgetsHeight + th;
- };
- }
-
- function estimateLineHeights(cm) {
- var doc = cm.doc, est = estimateHeight(cm);
- doc.iter(function(line) {
- var estHeight = est(line);
- if (estHeight != line.height) updateLineHeight(line, estHeight);
- });
- }
-
- function themeChanged(cm) {
- cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
- cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
- clearCaches(cm);
- }
-
- function guttersChanged(cm) {
- updateGutters(cm);
- regChange(cm);
- setTimeout(function(){alignHorizontally(cm);}, 20);
- }
-
- // Rebuild the gutter elements, ensure the margin to the left of the
- // code matches their width.
- function updateGutters(cm) {
- var gutters = cm.display.gutters, specs = cm.options.gutters;
- removeChildren(gutters);
- for (var i = 0; i < specs.length; ++i) {
- var gutterClass = specs[i];
- var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
- if (gutterClass == "CodeMirror-linenumbers") {
- cm.display.lineGutter = gElt;
- gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
- }
- }
- gutters.style.display = i ? "" : "none";
- updateGutterSpace(cm);
- }
-
- function updateGutterSpace(cm) {
- var width = cm.display.gutters.offsetWidth;
- cm.display.sizer.style.marginLeft = width + "px";
- cm.display.scrollbarH.style.left = cm.options.fixedGutter ? width + "px" : 0;
- }
-
- // Compute the character length of a line, taking into account
- // collapsed ranges (see markText) that might hide parts, and join
- // other lines onto it.
- function lineLength(line) {
- if (line.height == 0) return 0;
- var len = line.text.length, merged, cur = line;
- while (merged = collapsedSpanAtStart(cur)) {
- var found = merged.find(0, true);
- cur = found.from.line;
- len += found.from.ch - found.to.ch;
- }
- cur = line;
- while (merged = collapsedSpanAtEnd(cur)) {
- var found = merged.find(0, true);
- len -= cur.text.length - found.from.ch;
- cur = found.to.line;
- len += cur.text.length - found.to.ch;
- }
- return len;
- }
-
- // Find the longest line in the document.
- function findMaxLine(cm) {
- var d = cm.display, doc = cm.doc;
- d.maxLine = getLine(doc, doc.first);
- d.maxLineLength = lineLength(d.maxLine);
- d.maxLineChanged = true;
- doc.iter(function(line) {
- var len = lineLength(line);
- if (len > d.maxLineLength) {
- d.maxLineLength = len;
- d.maxLine = line;
- }
- });
- }
-
- // Make sure the gutters options contains the element
- // "CodeMirror-linenumbers" when the lineNumbers option is true.
- function setGuttersForLineNumbers(options) {
- var found = indexOf(options.gutters, "CodeMirror-linenumbers");
- if (found == -1 && options.lineNumbers) {
- options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
- } else if (found > -1 && !options.lineNumbers) {
- options.gutters = options.gutters.slice(0);
- options.gutters.splice(found, 1);
- }
- }
-
- // SCROLLBARS
-
- function hScrollbarTakesSpace(cm) {
- return cm.display.scroller.clientHeight - cm.display.wrapper.clientHeight < scrollerCutOff - 3;
- }
-
- // Prepare DOM reads needed to update the scrollbars. Done in one
- // shot to minimize update/measure roundtrips.
- function measureForScrollbars(cm) {
- var scroll = cm.display.scroller;
- return {
- clientHeight: scroll.clientHeight,
- barHeight: cm.display.scrollbarV.clientHeight,
- scrollWidth: scroll.scrollWidth, clientWidth: scroll.clientWidth,
- hScrollbarTakesSpace: hScrollbarTakesSpace(cm),
- barWidth: cm.display.scrollbarH.clientWidth,
- docHeight: Math.round(cm.doc.height + paddingVert(cm.display))
- };
- }
-
- // Re-synchronize the fake scrollbars with the actual size of the
- // content.
- function updateScrollbars(cm, measure) {
- if (!measure) measure = measureForScrollbars(cm);
- var d = cm.display, sWidth = scrollbarWidth(d.measure);
- var scrollHeight = measure.docHeight + scrollerCutOff;
- var needsH = measure.scrollWidth > measure.clientWidth;
- if (needsH && measure.scrollWidth <= measure.clientWidth + 1 &&
- sWidth > 0 && !measure.hScrollbarTakesSpace)
- needsH = false; // (Issue #2562)
- var needsV = scrollHeight > measure.clientHeight;
-
- if (needsV) {
- d.scrollbarV.style.display = "block";
- d.scrollbarV.style.bottom = needsH ? sWidth + "px" : "0";
- // A bug in IE8 can cause this value to be negative, so guard it.
- d.scrollbarV.firstChild.style.height =
- Math.max(0, scrollHeight - measure.clientHeight + (measure.barHeight || d.scrollbarV.clientHeight)) + "px";
- } else {
- d.scrollbarV.style.display = "";
- d.scrollbarV.firstChild.style.height = "0";
- }
- if (needsH) {
- d.scrollbarH.style.display = "block";
- d.scrollbarH.style.right = needsV ? sWidth + "px" : "0";
- d.scrollbarH.firstChild.style.width =
- (measure.scrollWidth - measure.clientWidth + (measure.barWidth || d.scrollbarH.clientWidth)) + "px";
- } else {
- d.scrollbarH.style.display = "";
- d.scrollbarH.firstChild.style.width = "0";
- }
- if (needsH && needsV) {
- d.scrollbarFiller.style.display = "block";
- d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = sWidth + "px";
- } else d.scrollbarFiller.style.display = "";
- if (needsH && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
- d.gutterFiller.style.display = "block";
- d.gutterFiller.style.height = sWidth + "px";
- d.gutterFiller.style.width = d.gutters.offsetWidth + "px";
- } else d.gutterFiller.style.display = "";
-
- if (!cm.state.checkedOverlayScrollbar && measure.clientHeight > 0) {
- if (sWidth === 0) {
- var w = mac && !mac_geMountainLion ? "12px" : "18px";
- d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = w;
- var barMouseDown = function(e) {
- if (e_target(e) != d.scrollbarV && e_target(e) != d.scrollbarH)
- operation(cm, onMouseDown)(e);
- };
- on(d.scrollbarV, "mousedown", barMouseDown);
- on(d.scrollbarH, "mousedown", barMouseDown);
- }
- cm.state.checkedOverlayScrollbar = true;
- }
- }
-
- // Compute the lines that are visible in a given viewport (defaults
- // the the current scroll position). viewport may contain top,
- // height, and ensure (see op.scrollToPos) properties.
- function visibleLines(display, doc, viewport) {
- var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
- top = Math.floor(top - paddingTop(display));
- var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
-
- var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
- // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
- // forces those lines into the viewport (if possible).
- if (viewport && viewport.ensure) {
- var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
- if (ensureFrom < from)
- return {from: ensureFrom,
- to: lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight)};
- if (Math.min(ensureTo, doc.lastLine()) >= to)
- return {from: lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight),
- to: ensureTo};
- }
- return {from: from, to: Math.max(to, from + 1)};
- }
-
- // LINE NUMBERS
-
- // Re-align line numbers and gutter marks to compensate for
- // horizontal scrolling.
- function alignHorizontally(cm) {
- var display = cm.display, view = display.view;
- if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return;
- var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
- var gutterW = display.gutters.offsetWidth, left = comp + "px";
- for (var i = 0; i < view.length; i++) if (!view[i].hidden) {
- if (cm.options.fixedGutter && view[i].gutter)
- view[i].gutter.style.left = left;
- var align = view[i].alignable;
- if (align) for (var j = 0; j < align.length; j++)
- align[j].style.left = left;
- }
- if (cm.options.fixedGutter)
- display.gutters.style.left = (comp + gutterW) + "px";
- }
-
- // Used to ensure that the line number gutter is still the right
- // size for the current document size. Returns true when an update
- // is needed.
- function maybeUpdateLineNumberWidth(cm) {
- if (!cm.options.lineNumbers) return false;
- var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
- if (last.length != display.lineNumChars) {
- var test = display.measure.appendChild(elt("div", [elt("div", last)],
- "CodeMirror-linenumber CodeMirror-gutter-elt"));
- var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
- display.lineGutter.style.width = "";
- display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding);
- display.lineNumWidth = display.lineNumInnerWidth + padding;
- display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
- display.lineGutter.style.width = display.lineNumWidth + "px";
- updateGutterSpace(cm);
- return true;
- }
- return false;
- }
-
- function lineNumberFor(options, i) {
- return String(options.lineNumberFormatter(i + options.firstLineNumber));
- }
-
- // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
- // but using getBoundingClientRect to get a sub-pixel-accurate
- // result.
- function compensateForHScroll(display) {
- return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
- }
-
- // DISPLAY DRAWING
-
- function DisplayUpdate(cm, viewport, force) {
- var display = cm.display;
-
- this.viewport = viewport;
- // Store some values that we'll need later (but don't want to force a relayout for)
- this.visible = visibleLines(display, cm.doc, viewport);
- this.editorIsHidden = !display.wrapper.offsetWidth;
- this.wrapperHeight = display.wrapper.clientHeight;
- this.wrapperWidth = display.wrapper.clientWidth;
- this.oldViewFrom = display.viewFrom; this.oldViewTo = display.viewTo;
- this.oldScrollerWidth = display.scroller.clientWidth;
- this.force = force;
- this.dims = getDimensions(cm);
- }
-
- // Does the actual updating of the line display. Bails out
- // (returning false) when there is nothing to be done and forced is
- // false.
- function updateDisplayIfNeeded(cm, update) {
- var display = cm.display, doc = cm.doc;
- if (update.editorIsHidden) {
- resetView(cm);
- return false;
- }
-
- // Bail out if the visible area is already rendered and nothing changed.
- if (!update.force &&
- update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
- (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
- countDirtyView(cm) == 0)
- return false;
-
- if (maybeUpdateLineNumberWidth(cm)) {
- resetView(cm);
- update.dims = getDimensions(cm);
- }
-
- // Compute a suitable new viewport (from & to)
- var end = doc.first + doc.size;
- var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
- var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
- if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom);
- if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo);
- if (sawCollapsedSpans) {
- from = visualLineNo(cm.doc, from);
- to = visualLineEndNo(cm.doc, to);
- }
-
- var different = from != display.viewFrom || to != display.viewTo ||
- display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
- adjustView(cm, from, to);
-
- display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
- // Position the mover div to align with the current scroll position
- cm.display.mover.style.top = display.viewOffset + "px";
-
- var toUpdate = countDirtyView(cm);
- if (!different && toUpdate == 0 && !update.force &&
- (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
- return false;
-
- // For big changes, we hide the enclosing element during the
- // update, since that speeds up the operations on most browsers.
- var focused = activeElt();
- if (toUpdate > 4) display.lineDiv.style.display = "none";
- patchDisplay(cm, display.updateLineNumbers, update.dims);
- if (toUpdate > 4) display.lineDiv.style.display = "";
- // There might have been a widget with a focused element that got
- // hidden or updated, if so re-focus it.
- if (focused && activeElt() != focused && focused.offsetHeight) focused.focus();
-
- // Prevent selection and cursors from interfering with the scroll
- // width.
- removeChildren(display.cursorDiv);
- removeChildren(display.selectionDiv);
-
- if (different) {
- display.lastWrapHeight = update.wrapperHeight;
- display.lastWrapWidth = update.wrapperWidth;
- startWorker(cm, 400);
- }
-
- display.updateLineNumbers = null;
-
- return true;
- }
-
- function postUpdateDisplay(cm, update) {
- var force = update.force, viewport = update.viewport;
- for (var first = true;; first = false) {
- if (first && cm.options.lineWrapping && update.oldScrollerWidth != cm.display.scroller.clientWidth) {
- force = true;
- } else {
- force = false;
- // Clip forced viewport to actual scrollable area.
- if (viewport && viewport.top != null)
- viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - scrollerCutOff -
- cm.display.scroller.clientHeight, viewport.top)};
- // Updated line heights might result in the drawn area not
- // actually covering the viewport. Keep looping until it does.
- update.visible = visibleLines(cm.display, cm.doc, viewport);
- if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
- break;
- }
- if (!updateDisplayIfNeeded(cm, update)) break;
- updateHeightsInViewport(cm);
- var barMeasure = measureForScrollbars(cm);
- updateSelection(cm);
- setDocumentHeight(cm, barMeasure);
- updateScrollbars(cm, barMeasure);
- }
-
- signalLater(cm, "update", cm);
- if (cm.display.viewFrom != update.oldViewFrom || cm.display.viewTo != update.oldViewTo)
- signalLater(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
- }
-
- function updateDisplaySimple(cm, viewport) {
- var update = new DisplayUpdate(cm, viewport);
- if (updateDisplayIfNeeded(cm, update)) {
- updateHeightsInViewport(cm);
- postUpdateDisplay(cm, update);
- var barMeasure = measureForScrollbars(cm);
- updateSelection(cm);
- setDocumentHeight(cm, barMeasure);
- updateScrollbars(cm, barMeasure);
- }
- }
-
- function setDocumentHeight(cm, measure) {
- cm.display.sizer.style.minHeight = cm.display.heightForcer.style.top = measure.docHeight + "px";
- cm.display.gutters.style.height = Math.max(measure.docHeight, measure.clientHeight - scrollerCutOff) + "px";
- }
-
- function checkForWebkitWidthBug(cm, measure) {
- // Work around Webkit bug where it sometimes reserves space for a
- // non-existing phantom scrollbar in the scroller (Issue #2420)
- if (cm.display.sizer.offsetWidth + cm.display.gutters.offsetWidth < cm.display.scroller.clientWidth - 1) {
- cm.display.sizer.style.minHeight = cm.display.heightForcer.style.top = "0px";
- cm.display.gutters.style.height = measure.docHeight + "px";
- }
- }
-
- // Read the actual heights of the rendered lines, and update their
- // stored heights to match.
- function updateHeightsInViewport(cm) {
- var display = cm.display;
- var prevBottom = display.lineDiv.offsetTop;
- for (var i = 0; i < display.view.length; i++) {
- var cur = display.view[i], height;
- if (cur.hidden) continue;
- if (ie && ie_version < 8) {
- var bot = cur.node.offsetTop + cur.node.offsetHeight;
- height = bot - prevBottom;
- prevBottom = bot;
- } else {
- var box = cur.node.getBoundingClientRect();
- height = box.bottom - box.top;
- }
- var diff = cur.line.height - height;
- if (height < 2) height = textHeight(display);
- if (diff > .001 || diff < -.001) {
- updateLineHeight(cur.line, height);
- updateWidgetHeight(cur.line);
- if (cur.rest) for (var j = 0; j < cur.rest.length; j++)
- updateWidgetHeight(cur.rest[j]);
- }
- }
- }
-
- // Read and store the height of line widgets associated with the
- // given line.
- function updateWidgetHeight(line) {
- if (line.widgets) for (var i = 0; i < line.widgets.length; ++i)
- line.widgets[i].height = line.widgets[i].node.offsetHeight;
- }
-
- // Do a bulk-read of the DOM positions and sizes needed to draw the
- // view, so that we don't interleave reading and writing to the DOM.
- function getDimensions(cm) {
- var d = cm.display, left = {}, width = {};
- var gutterLeft = d.gutters.clientLeft;
- for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
- left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
- width[cm.options.gutters[i]] = n.clientWidth;
- }
- return {fixedPos: compensateForHScroll(d),
- gutterTotalWidth: d.gutters.offsetWidth,
- gutterLeft: left,
- gutterWidth: width,
- wrapperWidth: d.wrapper.clientWidth};
- }
-
- // Sync the actual display DOM structure with display.view, removing
- // nodes for lines that are no longer in view, and creating the ones
- // that are not there yet, and updating the ones that are out of
- // date.
- function patchDisplay(cm, updateNumbersFrom, dims) {
- var display = cm.display, lineNumbers = cm.options.lineNumbers;
- var container = display.lineDiv, cur = container.firstChild;
-
- function rm(node) {
- var next = node.nextSibling;
- // Works around a throw-scroll bug in OS X Webkit
- if (webkit && mac && cm.display.currentWheelTarget == node)
- node.style.display = "none";
- else
- node.parentNode.removeChild(node);
- return next;
- }
-
- var view = display.view, lineN = display.viewFrom;
- // Loop over the elements in the view, syncing cur (the DOM nodes
- // in display.lineDiv) with the view as we go.
- for (var i = 0; i < view.length; i++) {
- var lineView = view[i];
- if (lineView.hidden) {
- } else if (!lineView.node) { // Not drawn yet
- var node = buildLineElement(cm, lineView, lineN, dims);
- container.insertBefore(node, cur);
- } else { // Already drawn
- while (cur != lineView.node) cur = rm(cur);
- var updateNumber = lineNumbers && updateNumbersFrom != null &&
- updateNumbersFrom <= lineN && lineView.lineNumber;
- if (lineView.changes) {
- if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false;
- updateLineForChanges(cm, lineView, lineN, dims);
- }
- if (updateNumber) {
- removeChildren(lineView.lineNumber);
- lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
- }
- cur = lineView.node.nextSibling;
- }
- lineN += lineView.size;
- }
- while (cur) cur = rm(cur);
- }
-
- // When an aspect of a line changes, a string is added to
- // lineView.changes. This updates the relevant part of the line's
- // DOM structure.
- function updateLineForChanges(cm, lineView, lineN, dims) {
- for (var j = 0; j < lineView.changes.length; j++) {
- var type = lineView.changes[j];
- if (type == "text") updateLineText(cm, lineView);
- else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims);
- else if (type == "class") updateLineClasses(lineView);
- else if (type == "widget") updateLineWidgets(lineView, dims);
- }
- lineView.changes = null;
- }
-
- // Lines with gutter elements, widgets or a background class need to
- // be wrapped, and have the extra elements added to the wrapper div
- function ensureLineWrapped(lineView) {
- if (lineView.node == lineView.text) {
- lineView.node = elt("div", null, null, "position: relative");
- if (lineView.text.parentNode)
- lineView.text.parentNode.replaceChild(lineView.node, lineView.text);
- lineView.node.appendChild(lineView.text);
- if (ie && ie_version < 8) lineView.node.style.zIndex = 2;
- }
- return lineView.node;
- }
-
- function updateLineBackground(lineView) {
- var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
- if (cls) cls += " CodeMirror-linebackground";
- if (lineView.background) {
- if (cls) lineView.background.className = cls;
- else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
- } else if (cls) {
- var wrap = ensureLineWrapped(lineView);
- lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
- }
- }
-
- // Wrapper around buildLineContent which will reuse the structure
- // in display.externalMeasured when possible.
- function getLineContent(cm, lineView) {
- var ext = cm.display.externalMeasured;
- if (ext && ext.line == lineView.line) {
- cm.display.externalMeasured = null;
- lineView.measure = ext.measure;
- return ext.built;
- }
- return buildLineContent(cm, lineView);
- }
-
- // Redraw the line's text. Interacts with the background and text
- // classes because the mode may output tokens that influence these
- // classes.
- function updateLineText(cm, lineView) {
- var cls = lineView.text.className;
- var built = getLineContent(cm, lineView);
- if (lineView.text == lineView.node) lineView.node = built.pre;
- lineView.text.parentNode.replaceChild(built.pre, lineView.text);
- lineView.text = built.pre;
- if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
- lineView.bgClass = built.bgClass;
- lineView.textClass = built.textClass;
- updateLineClasses(lineView);
- } else if (cls) {
- lineView.text.className = cls;
- }
- }
-
- function updateLineClasses(lineView) {
- updateLineBackground(lineView);
- if (lineView.line.wrapClass)
- ensureLineWrapped(lineView).className = lineView.line.wrapClass;
- else if (lineView.node != lineView.text)
- lineView.node.className = "";
- var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
- lineView.text.className = textClass || "";
- }
-
- function updateLineGutter(cm, lineView, lineN, dims) {
- if (lineView.gutter) {
- lineView.node.removeChild(lineView.gutter);
- lineView.gutter = null;
- }
- var markers = lineView.line.gutterMarkers;
- if (cm.options.lineNumbers || markers) {
- var wrap = ensureLineWrapped(lineView);
- var gutterWrap = lineView.gutter =
- wrap.insertBefore(elt("div", null, "CodeMirror-gutter-wrapper", "left: " +
- (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) +
- "px; width: " + dims.gutterTotalWidth + "px"),
- lineView.text);
- if (lineView.line.gutterClass)
- gutterWrap.className += " " + lineView.line.gutterClass;
- if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
- lineView.lineNumber = gutterWrap.appendChild(
- elt("div", lineNumberFor(cm.options, lineN),
- "CodeMirror-linenumber CodeMirror-gutter-elt",
- "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
- + cm.display.lineNumInnerWidth + "px"));
- if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) {
- var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
- if (found)
- gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
- dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
- }
- }
- }
-
- function updateLineWidgets(lineView, dims) {
- if (lineView.alignable) lineView.alignable = null;
- for (var node = lineView.node.firstChild, next; node; node = next) {
- var next = node.nextSibling;
- if (node.className == "CodeMirror-linewidget")
- lineView.node.removeChild(node);
- }
- insertLineWidgets(lineView, dims);
- }
-
- // Build a line's DOM representation from scratch
- function buildLineElement(cm, lineView, lineN, dims) {
- var built = getLineContent(cm, lineView);
- lineView.text = lineView.node = built.pre;
- if (built.bgClass) lineView.bgClass = built.bgClass;
- if (built.textClass) lineView.textClass = built.textClass;
-
- updateLineClasses(lineView);
- updateLineGutter(cm, lineView, lineN, dims);
- insertLineWidgets(lineView, dims);
- return lineView.node;
- }
-
- // A lineView may contain multiple logical lines (when merged by
- // collapsed spans). The widgets for all of them need to be drawn.
- function insertLineWidgets(lineView, dims) {
- insertLineWidgetsFor(lineView.line, lineView, dims, true);
- if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
- insertLineWidgetsFor(lineView.rest[i], lineView, dims, false);
- }
-
- function insertLineWidgetsFor(line, lineView, dims, allowAbove) {
- if (!line.widgets) return;
- var wrap = ensureLineWrapped(lineView);
- for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
- var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
- if (!widget.handleMouseEvents) node.ignoreEvents = true;
- positionLineWidget(widget, node, lineView, dims);
- if (allowAbove && widget.above)
- wrap.insertBefore(node, lineView.gutter || lineView.text);
- else
- wrap.appendChild(node);
- signalLater(widget, "redraw");
- }
- }
-
- function positionLineWidget(widget, node, lineView, dims) {
- if (widget.noHScroll) {
- (lineView.alignable || (lineView.alignable = [])).push(node);
- var width = dims.wrapperWidth;
- node.style.left = dims.fixedPos + "px";
- if (!widget.coverGutter) {
- width -= dims.gutterTotalWidth;
- node.style.paddingLeft = dims.gutterTotalWidth + "px";
- }
- node.style.width = width + "px";
- }
- if (widget.coverGutter) {
- node.style.zIndex = 5;
- node.style.position = "relative";
- if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
- }
- }
-
- // POSITION OBJECT
-
- // A Pos instance represents a position within the text.
- var Pos = CodeMirror.Pos = function(line, ch) {
- if (!(this instanceof Pos)) return new Pos(line, ch);
- this.line = line; this.ch = ch;
- };
-
- // Compare two positions, return 0 if they are the same, a negative
- // number when a is less, and a positive number otherwise.
- var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; };
-
- function copyPos(x) {return Pos(x.line, x.ch);}
- function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; }
- function minPos(a, b) { return cmp(a, b) < 0 ? a : b; }
-
- // SELECTION / CURSOR
-
- // Selection objects are immutable. A new one is created every time
- // the selection changes. A selection is one or more non-overlapping
- // (and non-touching) ranges, sorted, and an integer that indicates
- // which one is the primary selection (the one that's scrolled into
- // view, that getCursor returns, etc).
- function Selection(ranges, primIndex) {
- this.ranges = ranges;
- this.primIndex = primIndex;
- }
-
- Selection.prototype = {
- primary: function() { return this.ranges[this.primIndex]; },
- equals: function(other) {
- if (other == this) return true;
- if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false;
- for (var i = 0; i < this.ranges.length; i++) {
- var here = this.ranges[i], there = other.ranges[i];
- if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false;
- }
- return true;
- },
- deepCopy: function() {
- for (var out = [], i = 0; i < this.ranges.length; i++)
- out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head));
- return new Selection(out, this.primIndex);
- },
- somethingSelected: function() {
- for (var i = 0; i < this.ranges.length; i++)
- if (!this.ranges[i].empty()) return true;
- return false;
- },
- contains: function(pos, end) {
- if (!end) end = pos;
- for (var i = 0; i < this.ranges.length; i++) {
- var range = this.ranges[i];
- if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
- return i;
- }
- return -1;
- }
- };
-
- function Range(anchor, head) {
- this.anchor = anchor; this.head = head;
- }
-
- Range.prototype = {
- from: function() { return minPos(this.anchor, this.head); },
- to: function() { return maxPos(this.anchor, this.head); },
- empty: function() {
- return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch;
- }
- };
-
- // Take an unsorted, potentially overlapping set of ranges, and
- // build a selection out of it. 'Consumes' ranges array (modifying
- // it).
- function normalizeSelection(ranges, primIndex) {
- var prim = ranges[primIndex];
- ranges.sort(function(a, b) { return cmp(a.from(), b.from()); });
- primIndex = indexOf(ranges, prim);
- for (var i = 1; i < ranges.length; i++) {
- var cur = ranges[i], prev = ranges[i - 1];
- if (cmp(prev.to(), cur.from()) >= 0) {
- var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
- var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
- if (i <= primIndex) --primIndex;
- ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
- }
- }
- return new Selection(ranges, primIndex);
- }
-
- function simpleSelection(anchor, head) {
- return new Selection([new Range(anchor, head || anchor)], 0);
- }
-
- // Most of the external API clips given positions to make sure they
- // actually exist within the document.
- function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));}
- function clipPos(doc, pos) {
- if (pos.line < doc.first) return Pos(doc.first, 0);
- var last = doc.first + doc.size - 1;
- if (pos.line > last) return Pos(last, getLine(doc, last).text.length);
- return clipToLen(pos, getLine(doc, pos.line).text.length);
- }
- function clipToLen(pos, linelen) {
- var ch = pos.ch;
- if (ch == null || ch > linelen) return Pos(pos.line, linelen);
- else if (ch < 0) return Pos(pos.line, 0);
- else return pos;
- }
- function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;}
- function clipPosArray(doc, array) {
- for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]);
- return out;
- }
-
- // SELECTION UPDATES
-
- // The 'scroll' parameter given to many of these indicated whether
- // the new cursor position should be scrolled into view after
- // modifying the selection.
-
- // If shift is held or the extend flag is set, extends a range to
- // include a given position (and optionally a second position).
- // Otherwise, simply returns the range between the given positions.
- // Used for cursor motion and such.
- function extendRange(doc, range, head, other) {
- if (doc.cm && doc.cm.display.shift || doc.extend) {
- var anchor = range.anchor;
- if (other) {
- var posBefore = cmp(head, anchor) < 0;
- if (posBefore != (cmp(other, anchor) < 0)) {
- anchor = head;
- head = other;
- } else if (posBefore != (cmp(head, other) < 0)) {
- head = other;
- }
- }
- return new Range(anchor, head);
- } else {
- return new Range(other || head, head);
- }
- }
-
- // Extend the primary selection range, discard the rest.
- function extendSelection(doc, head, other, options) {
- setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options);
- }
-
- // Extend all selections (pos is an array of selections with length
- // equal the number of selections)
- function extendSelections(doc, heads, options) {
- for (var out = [], i = 0; i < doc.sel.ranges.length; i++)
- out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null);
- var newSel = normalizeSelection(out, doc.sel.primIndex);
- setSelection(doc, newSel, options);
- }
-
- // Updates a single range in the selection.
- function replaceOneSelection(doc, i, range, options) {
- var ranges = doc.sel.ranges.slice(0);
- ranges[i] = range;
- setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
- }
-
- // Reset the selection to a single range.
- function setSimpleSelection(doc, anchor, head, options) {
- setSelection(doc, simpleSelection(anchor, head), options);
- }
-
- // Give beforeSelectionChange handlers a change to influence a
- // selection update.
- function filterSelectionChange(doc, sel) {
- var obj = {
- ranges: sel.ranges,
- update: function(ranges) {
- this.ranges = [];
- for (var i = 0; i < ranges.length; i++)
- this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
- clipPos(doc, ranges[i].head));
- }
- };
- signal(doc, "beforeSelectionChange", doc, obj);
- if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
- if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1);
- else return sel;
- }
-
- function setSelectionReplaceHistory(doc, sel, options) {
- var done = doc.history.done, last = lst(done);
- if (last && last.ranges) {
- done[done.length - 1] = sel;
- setSelectionNoUndo(doc, sel, options);
- } else {
- setSelection(doc, sel, options);
- }
- }
-
- // Set a new selection.
- function setSelection(doc, sel, options) {
- setSelectionNoUndo(doc, sel, options);
- addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
- }
-
- function setSelectionNoUndo(doc, sel, options) {
- if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
- sel = filterSelectionChange(doc, sel);
-
- var bias = options && options.bias ||
- (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
- setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
-
- if (!(options && options.scroll === false) && doc.cm)
- ensureCursorVisible(doc.cm);
- }
-
- function setSelectionInner(doc, sel) {
- if (sel.equals(doc.sel)) return;
-
- doc.sel = sel;
-
- if (doc.cm) {
- doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
- signalCursorActivity(doc.cm);
- }
- signalLater(doc, "cursorActivity", doc);
- }
-
- // Verify that the selection does not partially select any atomic
- // marked ranges.
- function reCheckSelection(doc) {
- setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll);
- }
-
- // Return a selection that does not partially select any atomic
- // ranges.
- function skipAtomicInSelection(doc, sel, bias, mayClear) {
- var out;
- for (var i = 0; i < sel.ranges.length; i++) {
- var range = sel.ranges[i];
- var newAnchor = skipAtomic(doc, range.anchor, bias, mayClear);
- var newHead = skipAtomic(doc, range.head, bias, mayClear);
- if (out || newAnchor != range.anchor || newHead != range.head) {
- if (!out) out = sel.ranges.slice(0, i);
- out[i] = new Range(newAnchor, newHead);
- }
- }
- return out ? normalizeSelection(out, sel.primIndex) : sel;
- }
-
- // Ensure a given position is not inside an atomic range.
- function skipAtomic(doc, pos, bias, mayClear) {
- var flipped = false, curPos = pos;
- var dir = bias || 1;
- doc.cantEdit = false;
- search: for (;;) {
- var line = getLine(doc, curPos.line);
- if (line.markedSpans) {
- for (var i = 0; i < line.markedSpans.length; ++i) {
- var sp = line.markedSpans[i], m = sp.marker;
- if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) &&
- (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) {
- if (mayClear) {
- signal(m, "beforeCursorEnter");
- if (m.explicitlyCleared) {
- if (!line.markedSpans) break;
- else {--i; continue;}
- }
- }
- if (!m.atomic) continue;
- var newPos = m.find(dir < 0 ? -1 : 1);
- if (cmp(newPos, curPos) == 0) {
- newPos.ch += dir;
- if (newPos.ch < 0) {
- if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1));
- else newPos = null;
- } else if (newPos.ch > line.text.length) {
- if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0);
- else newPos = null;
- }
- if (!newPos) {
- if (flipped) {
- // Driven in a corner -- no valid cursor position found at all
- // -- try again *with* clearing, if we didn't already
- if (!mayClear) return skipAtomic(doc, pos, bias, true);
- // Otherwise, turn off editing until further notice, and return the start of the doc
- doc.cantEdit = true;
- return Pos(doc.first, 0);
- }
- flipped = true; newPos = pos; dir = -dir;
- }
- }
- curPos = newPos;
- continue search;
- }
- }
- }
- return curPos;
- }
- }
-
- // SELECTION DRAWING
-
- // Redraw the selection and/or cursor
- function drawSelection(cm) {
- var display = cm.display, doc = cm.doc, result = {};
- var curFragment = result.cursors = document.createDocumentFragment();
- var selFragment = result.selection = document.createDocumentFragment();
-
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- var range = doc.sel.ranges[i];
- var collapsed = range.empty();
- if (collapsed || cm.options.showCursorWhenSelecting)
- drawSelectionCursor(cm, range, curFragment);
- if (!collapsed)
- drawSelectionRange(cm, range, selFragment);
- }
-
- // Move the hidden textarea near the cursor to prevent scrolling artifacts
- if (cm.options.moveInputWithCursor) {
- var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
- var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
- result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
- headPos.top + lineOff.top - wrapOff.top));
- result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
- headPos.left + lineOff.left - wrapOff.left));
- }
-
- return result;
- }
-
- function showSelection(cm, drawn) {
- removeChildrenAndAdd(cm.display.cursorDiv, drawn.cursors);
- removeChildrenAndAdd(cm.display.selectionDiv, drawn.selection);
- if (drawn.teTop != null) {
- cm.display.inputDiv.style.top = drawn.teTop + "px";
- cm.display.inputDiv.style.left = drawn.teLeft + "px";
- }
- }
-
- function updateSelection(cm) {
- showSelection(cm, drawSelection(cm));
- }
-
- // Draws a cursor for the given range
- function drawSelectionCursor(cm, range, output) {
- var pos = cursorCoords(cm, range.head, "div", null, null, !cm.options.singleCursorHeightPerLine);
-
- var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
- cursor.style.left = pos.left + "px";
- cursor.style.top = pos.top + "px";
- cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
-
- if (pos.other) {
- // Secondary cursor, shown when on a 'jump' in bi-directional text
- var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
- otherCursor.style.display = "";
- otherCursor.style.left = pos.other.left + "px";
- otherCursor.style.top = pos.other.top + "px";
- otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
- }
- }
-
- // Draws the given range as a highlighted selection
- function drawSelectionRange(cm, range, output) {
- var display = cm.display, doc = cm.doc;
- var fragment = document.createDocumentFragment();
- var padding = paddingH(cm.display), leftSide = padding.left, rightSide = display.lineSpace.offsetWidth - padding.right;
-
- function add(left, top, width, bottom) {
- if (top < 0) top = 0;
- top = Math.round(top);
- bottom = Math.round(bottom);
- fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
- "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) +
- "px; height: " + (bottom - top) + "px"));
- }
-
- function drawForLine(line, fromArg, toArg) {
- var lineObj = getLine(doc, line);
- var lineLen = lineObj.text.length;
- var start, end;
- function coords(ch, bias) {
- return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
- }
-
- iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
- var leftPos = coords(from, "left"), rightPos, left, right;
- if (from == to) {
- rightPos = leftPos;
- left = right = leftPos.left;
- } else {
- rightPos = coords(to - 1, "right");
- if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; }
- left = leftPos.left;
- right = rightPos.right;
- }
- if (fromArg == null && from == 0) left = leftSide;
- if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
- add(left, leftPos.top, null, leftPos.bottom);
- left = leftSide;
- if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
- }
- if (toArg == null && to == lineLen) right = rightSide;
- if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left)
- start = leftPos;
- if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right)
- end = rightPos;
- if (left < leftSide + 1) left = leftSide;
- add(left, rightPos.top, right - left, rightPos.bottom);
- });
- return {start: start, end: end};
- }
-
- var sFrom = range.from(), sTo = range.to();
- if (sFrom.line == sTo.line) {
- drawForLine(sFrom.line, sFrom.ch, sTo.ch);
- } else {
- var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
- var singleVLine = visualLine(fromLine) == visualLine(toLine);
- var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
- var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
- if (singleVLine) {
- if (leftEnd.top < rightStart.top - 2) {
- add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
- add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
- } else {
- add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
- }
- }
- if (leftEnd.bottom < rightStart.top)
- add(leftSide, leftEnd.bottom, null, rightStart.top);
- }
-
- output.appendChild(fragment);
- }
-
- // Cursor-blinking
- function restartBlink(cm) {
- if (!cm.state.focused) return;
- var display = cm.display;
- clearInterval(display.blinker);
- var on = true;
- display.cursorDiv.style.visibility = "";
- if (cm.options.cursorBlinkRate > 0)
- display.blinker = setInterval(function() {
- display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
- }, cm.options.cursorBlinkRate);
- else if (cm.options.cursorBlinkRate < 0)
- display.cursorDiv.style.visibility = "hidden";
- }
-
- // HIGHLIGHT WORKER
-
- function startWorker(cm, time) {
- if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
- cm.state.highlight.set(time, bind(highlightWorker, cm));
- }
-
- function highlightWorker(cm) {
- var doc = cm.doc;
- if (doc.frontier < doc.first) doc.frontier = doc.first;
- if (doc.frontier >= cm.display.viewTo) return;
- var end = +new Date + cm.options.workTime;
- var state = copyState(doc.mode, getStateBefore(cm, doc.frontier));
- var changedLines = [];
-
- doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) {
- if (doc.frontier >= cm.display.viewFrom) { // Visible
- var oldStyles = line.styles;
- var highlighted = highlightLine(cm, line, state, true);
- line.styles = highlighted.styles;
- var oldCls = line.styleClasses, newCls = highlighted.classes;
- if (newCls) line.styleClasses = newCls;
- else if (oldCls) line.styleClasses = null;
- var ischange = !oldStyles || oldStyles.length != line.styles.length ||
- oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
- for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i];
- if (ischange) changedLines.push(doc.frontier);
- line.stateAfter = copyState(doc.mode, state);
- } else {
- processLine(cm, line.text, state);
- line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null;
- }
- ++doc.frontier;
- if (+new Date > end) {
- startWorker(cm, cm.options.workDelay);
- return true;
- }
- });
- if (changedLines.length) runInOp(cm, function() {
- for (var i = 0; i < changedLines.length; i++)
- regLineChange(cm, changedLines[i], "text");
- });
- }
-
- // Finds the line to start with when starting a parse. Tries to
- // find a line with a stateAfter, so that it can start with a
- // valid state. If that fails, it returns the line with the
- // smallest indentation, which tends to need the least context to
- // parse correctly.
- function findStartLine(cm, n, precise) {
- var minindent, minline, doc = cm.doc;
- var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
- for (var search = n; search > lim; --search) {
- if (search <= doc.first) return doc.first;
- var line = getLine(doc, search - 1);
- if (line.stateAfter && (!precise || search <= doc.frontier)) return search;
- var indented = countColumn(line.text, null, cm.options.tabSize);
- if (minline == null || minindent > indented) {
- minline = search - 1;
- minindent = indented;
- }
- }
- return minline;
- }
-
- function getStateBefore(cm, n, precise) {
- var doc = cm.doc, display = cm.display;
- if (!doc.mode.startState) return true;
- var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter;
- if (!state) state = startState(doc.mode);
- else state = copyState(doc.mode, state);
- doc.iter(pos, n, function(line) {
- processLine(cm, line.text, state);
- var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo;
- line.stateAfter = save ? copyState(doc.mode, state) : null;
- ++pos;
- });
- if (precise) doc.frontier = pos;
- return state;
- }
-
- // POSITION MEASUREMENT
-
- function paddingTop(display) {return display.lineSpace.offsetTop;}
- function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;}
- function paddingH(display) {
- if (display.cachedPaddingH) return display.cachedPaddingH;
- var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
- var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
- var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
- if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data;
- return data;
- }
-
- // Ensure the lineView.wrapping.heights array is populated. This is
- // an array of bottom offsets for the lines that make up a drawn
- // line. When lineWrapping is on, there might be more than one
- // height.
- function ensureLineHeights(cm, lineView, rect) {
- var wrapping = cm.options.lineWrapping;
- var curWidth = wrapping && cm.display.scroller.clientWidth;
- if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
- var heights = lineView.measure.heights = [];
- if (wrapping) {
- lineView.measure.width = curWidth;
- var rects = lineView.text.firstChild.getClientRects();
- for (var i = 0; i < rects.length - 1; i++) {
- var cur = rects[i], next = rects[i + 1];
- if (Math.abs(cur.bottom - next.bottom) > 2)
- heights.push((cur.bottom + next.top) / 2 - rect.top);
- }
- }
- heights.push(rect.bottom - rect.top);
- }
- }
-
- // Find a line map (mapping character offsets to text nodes) and a
- // measurement cache for the given line number. (A line view might
- // contain multiple lines when collapsed ranges are present.)
- function mapFromLineView(lineView, line, lineN) {
- if (lineView.line == line)
- return {map: lineView.measure.map, cache: lineView.measure.cache};
- for (var i = 0; i < lineView.rest.length; i++)
- if (lineView.rest[i] == line)
- return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]};
- for (var i = 0; i < lineView.rest.length; i++)
- if (lineNo(lineView.rest[i]) > lineN)
- return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true};
- }
-
- // Render a line into the hidden node display.externalMeasured. Used
- // when measurement is needed for a line that's not in the viewport.
- function updateExternalMeasurement(cm, line) {
- line = visualLine(line);
- var lineN = lineNo(line);
- var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
- view.lineN = lineN;
- var built = view.built = buildLineContent(cm, view);
- view.text = built.pre;
- removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
- return view;
- }
-
- // Get a {top, bottom, left, right} box (in line-local coordinates)
- // for a given character.
- function measureChar(cm, line, ch, bias) {
- return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias);
- }
-
- // Find a line view that corresponds to the given line number.
- function findViewForLine(cm, lineN) {
- if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
- return cm.display.view[findViewIndex(cm, lineN)];
- var ext = cm.display.externalMeasured;
- if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
- return ext;
- }
-
- // Measurement can be split in two steps, the set-up work that
- // applies to the whole line, and the measurement of the actual
- // character. Functions like coordsChar, that need to do a lot of
- // measurements in a row, can thus ensure that the set-up work is
- // only done once.
- function prepareMeasureForLine(cm, line) {
- var lineN = lineNo(line);
- var view = findViewForLine(cm, lineN);
- if (view && !view.text)
- view = null;
- else if (view && view.changes)
- updateLineForChanges(cm, view, lineN, getDimensions(cm));
- if (!view)
- view = updateExternalMeasurement(cm, line);
-
- var info = mapFromLineView(view, line, lineN);
- return {
- line: line, view: view, rect: null,
- map: info.map, cache: info.cache, before: info.before,
- hasHeights: false
- };
- }
-
- // Given a prepared measurement object, measures the position of an
- // actual character (or fetches it from the cache).
- function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
- if (prepared.before) ch = -1;
- var key = ch + (bias || ""), found;
- if (prepared.cache.hasOwnProperty(key)) {
- found = prepared.cache[key];
- } else {
- if (!prepared.rect)
- prepared.rect = prepared.view.text.getBoundingClientRect();
- if (!prepared.hasHeights) {
- ensureLineHeights(cm, prepared.view, prepared.rect);
- prepared.hasHeights = true;
- }
- found = measureCharInner(cm, prepared, ch, bias);
- if (!found.bogus) prepared.cache[key] = found;
- }
- return {left: found.left, right: found.right,
- top: varHeight ? found.rtop : found.top,
- bottom: varHeight ? found.rbottom : found.bottom};
- }
-
- var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
-
- function measureCharInner(cm, prepared, ch, bias) {
- var map = prepared.map;
-
- var node, start, end, collapse;
- // First, search the line map for the text node corresponding to,
- // or closest to, the target character.
- for (var i = 0; i < map.length; i += 3) {
- var mStart = map[i], mEnd = map[i + 1];
- if (ch < mStart) {
- start = 0; end = 1;
- collapse = "left";
- } else if (ch < mEnd) {
- start = ch - mStart;
- end = start + 1;
- } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
- end = mEnd - mStart;
- start = end - 1;
- if (ch >= mEnd) collapse = "right";
- }
- if (start != null) {
- node = map[i + 2];
- if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
- collapse = bias;
- if (bias == "left" && start == 0)
- while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
- node = map[(i -= 3) + 2];
- collapse = "left";
- }
- if (bias == "right" && start == mEnd - mStart)
- while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
- node = map[(i += 3) + 2];
- collapse = "right";
- }
- break;
- }
- }
-
- var rect;
- if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
- for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned
- while (start && isExtendingChar(prepared.line.text.charAt(mStart + start))) --start;
- while (mStart + end < mEnd && isExtendingChar(prepared.line.text.charAt(mStart + end))) ++end;
- if (ie && ie_version < 9 && start == 0 && end == mEnd - mStart) {
- rect = node.parentNode.getBoundingClientRect();
- } else if (ie && cm.options.lineWrapping) {
- var rects = range(node, start, end).getClientRects();
- if (rects.length)
- rect = rects[bias == "right" ? rects.length - 1 : 0];
- else
- rect = nullRect;
- } else {
- rect = range(node, start, end).getBoundingClientRect() || nullRect;
- }
- if (rect.left || rect.right || start == 0) break;
- end = start;
- start = start - 1;
- collapse = "right";
- }
- if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect);
- } else { // If it is a widget, simply get the box for the whole widget.
- if (start > 0) collapse = bias = "right";
- var rects;
- if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
- rect = rects[bias == "right" ? rects.length - 1 : 0];
- else
- rect = node.getBoundingClientRect();
- }
- if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
- var rSpan = node.parentNode.getClientRects()[0];
- if (rSpan)
- rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom};
- else
- rect = nullRect;
- }
-
- var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
- var mid = (rtop + rbot) / 2;
- var heights = prepared.view.measure.heights;
- for (var i = 0; i < heights.length - 1; i++)
- if (mid < heights[i]) break;
- var top = i ? heights[i - 1] : 0, bot = heights[i];
- var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
- right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
- top: top, bottom: bot};
- if (!rect.left && !rect.right) result.bogus = true;
- if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
-
- return result;
- }
-
- // Work around problem with bounding client rects on ranges being
- // returned incorrectly when zoomed on IE10 and below.
- function maybeUpdateRectForZooming(measure, rect) {
- if (!window.screen || screen.logicalXDPI == null ||
- screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
- return rect;
- var scaleX = screen.logicalXDPI / screen.deviceXDPI;
- var scaleY = screen.logicalYDPI / screen.deviceYDPI;
- return {left: rect.left * scaleX, right: rect.right * scaleX,
- top: rect.top * scaleY, bottom: rect.bottom * scaleY};
- }
-
- function clearLineMeasurementCacheFor(lineView) {
- if (lineView.measure) {
- lineView.measure.cache = {};
- lineView.measure.heights = null;
- if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
- lineView.measure.caches[i] = {};
- }
- }
-
- function clearLineMeasurementCache(cm) {
- cm.display.externalMeasure = null;
- removeChildren(cm.display.lineMeasure);
- for (var i = 0; i < cm.display.view.length; i++)
- clearLineMeasurementCacheFor(cm.display.view[i]);
- }
-
- function clearCaches(cm) {
- clearLineMeasurementCache(cm);
- cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
- if (!cm.options.lineWrapping) cm.display.maxLineChanged = true;
- cm.display.lineNumChars = null;
- }
-
- function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; }
- function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; }
-
- // Converts a {top, bottom, left, right} box from line-local
- // coordinates into another coordinate system. Context may be one of
- // "line", "div" (display.lineDiv), "local"/null (editor), or "page".
- function intoCoordSystem(cm, lineObj, rect, context) {
- if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
- var size = widgetHeight(lineObj.widgets[i]);
- rect.top += size; rect.bottom += size;
- }
- if (context == "line") return rect;
- if (!context) context = "local";
- var yOff = heightAtLine(lineObj);
- if (context == "local") yOff += paddingTop(cm.display);
- else yOff -= cm.display.viewOffset;
- if (context == "page" || context == "window") {
- var lOff = cm.display.lineSpace.getBoundingClientRect();
- yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
- var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
- rect.left += xOff; rect.right += xOff;
- }
- rect.top += yOff; rect.bottom += yOff;
- return rect;
- }
-
- // Coverts a box from "div" coords to another coordinate system.
- // Context may be "window", "page", "div", or "local"/null.
- function fromCoordSystem(cm, coords, context) {
- if (context == "div") return coords;
- var left = coords.left, top = coords.top;
- // First move into "page" coordinate system
- if (context == "page") {
- left -= pageScrollX();
- top -= pageScrollY();
- } else if (context == "local" || !context) {
- var localBox = cm.display.sizer.getBoundingClientRect();
- left += localBox.left;
- top += localBox.top;
- }
-
- var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
- return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
- }
-
- function charCoords(cm, pos, context, lineObj, bias) {
- if (!lineObj) lineObj = getLine(cm.doc, pos.line);
- return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context);
- }
-
- // Returns a box for a given cursor position, which may have an
- // 'other' property containing the position of the secondary cursor
- // on a bidi boundary.
- function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
- lineObj = lineObj || getLine(cm.doc, pos.line);
- if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj);
- function get(ch, right) {
- var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
- if (right) m.left = m.right; else m.right = m.left;
- return intoCoordSystem(cm, lineObj, m, context);
- }
- function getBidi(ch, partPos) {
- var part = order[partPos], right = part.level % 2;
- if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) {
- part = order[--partPos];
- ch = bidiRight(part) - (part.level % 2 ? 0 : 1);
- right = true;
- } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) {
- part = order[++partPos];
- ch = bidiLeft(part) - part.level % 2;
- right = false;
- }
- if (right && ch == part.to && ch > part.from) return get(ch - 1);
- return get(ch, right);
- }
- var order = getOrder(lineObj), ch = pos.ch;
- if (!order) return get(ch);
- var partPos = getBidiPartAt(order, ch);
- var val = getBidi(ch, partPos);
- if (bidiOther != null) val.other = getBidi(ch, bidiOther);
- return val;
- }
-
- // Used to cheaply estimate the coordinates for a position. Used for
- // intermediate scroll updates.
- function estimateCoords(cm, pos) {
- var left = 0, pos = clipPos(cm.doc, pos);
- if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch;
- var lineObj = getLine(cm.doc, pos.line);
- var top = heightAtLine(lineObj) + paddingTop(cm.display);
- return {left: left, right: left, top: top, bottom: top + lineObj.height};
- }
-
- // Positions returned by coordsChar contain some extra information.
- // xRel is the relative x position of the input coordinates compared
- // to the found position (so xRel > 0 means the coordinates are to
- // the right of the character position, for example). When outside
- // is true, that means the coordinates lie outside the line's
- // vertical range.
- function PosWithInfo(line, ch, outside, xRel) {
- var pos = Pos(line, ch);
- pos.xRel = xRel;
- if (outside) pos.outside = true;
- return pos;
- }
-
- // Compute the character position closest to the given coordinates.
- // Input must be lineSpace-local ("div" coordinate system).
- function coordsChar(cm, x, y) {
- var doc = cm.doc;
- y += cm.display.viewOffset;
- if (y < 0) return PosWithInfo(doc.first, 0, true, -1);
- var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
- if (lineN > last)
- return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1);
- if (x < 0) x = 0;
-
- var lineObj = getLine(doc, lineN);
- for (;;) {
- var found = coordsCharInner(cm, lineObj, lineN, x, y);
- var merged = collapsedSpanAtEnd(lineObj);
- var mergedPos = merged && merged.find(0, true);
- if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
- lineN = lineNo(lineObj = mergedPos.to.line);
- else
- return found;
- }
- }
-
- function coordsCharInner(cm, lineObj, lineNo, x, y) {
- var innerOff = y - heightAtLine(lineObj);
- var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth;
- var preparedMeasure = prepareMeasureForLine(cm, lineObj);
-
- function getX(ch) {
- var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure);
- wrongLine = true;
- if (innerOff > sp.bottom) return sp.left - adjust;
- else if (innerOff < sp.top) return sp.left + adjust;
- else wrongLine = false;
- return sp.left;
- }
-
- var bidi = getOrder(lineObj), dist = lineObj.text.length;
- var from = lineLeft(lineObj), to = lineRight(lineObj);
- var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine;
-
- if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1);
- // Do a binary search between these bounds.
- for (;;) {
- if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
- var ch = x < fromX || x - fromX <= toX - x ? from : to;
- var xDiff = x - (ch == from ? fromX : toX);
- while (isExtendingChar(lineObj.text.charAt(ch))) ++ch;
- var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside,
- xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0);
- return pos;
- }
- var step = Math.ceil(dist / 2), middle = from + step;
- if (bidi) {
- middle = from;
- for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
- }
- var middleX = getX(middle);
- if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;}
- else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;}
- }
- }
-
- var measureText;
- // Compute the default text height.
- function textHeight(display) {
- if (display.cachedTextHeight != null) return display.cachedTextHeight;
- if (measureText == null) {
- measureText = elt("pre");
- // Measure a bunch of lines, for browsers that compute
- // fractional heights.
- for (var i = 0; i < 49; ++i) {
- measureText.appendChild(document.createTextNode("x"));
- measureText.appendChild(elt("br"));
- }
- measureText.appendChild(document.createTextNode("x"));
- }
- removeChildrenAndAdd(display.measure, measureText);
- var height = measureText.offsetHeight / 50;
- if (height > 3) display.cachedTextHeight = height;
- removeChildren(display.measure);
- return height || 1;
- }
-
- // Compute the default character width.
- function charWidth(display) {
- if (display.cachedCharWidth != null) return display.cachedCharWidth;
- var anchor = elt("span", "xxxxxxxxxx");
- var pre = elt("pre", [anchor]);
- removeChildrenAndAdd(display.measure, pre);
- var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
- if (width > 2) display.cachedCharWidth = width;
- return width || 10;
- }
-
- // OPERATIONS
-
- // Operations are used to wrap a series of changes to the editor
- // state in such a way that each change won't have to update the
- // cursor and display (which would be awkward, slow, and
- // error-prone). Instead, display updates are batched and then all
- // combined and executed at once.
-
- var operationGroup = null;
-
- var nextOpId = 0;
- // Start a new operation.
- function startOperation(cm) {
- cm.curOp = {
- cm: cm,
- viewChanged: false, // Flag that indicates that lines might need to be redrawn
- startHeight: cm.doc.height, // Used to detect need to update scrollbar
- forceUpdate: false, // Used to force a redraw
- updateInput: null, // Whether to reset the input textarea
- typing: false, // Whether this reset should be careful to leave existing text (for compositing)
- changeObjs: null, // Accumulated changes, for firing change events
- cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
- cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
- selectionChanged: false, // Whether the selection needs to be redrawn
- updateMaxLine: false, // Set when the widest line needs to be determined anew
- scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
- scrollToPos: null, // Used to scroll to a specific position
- id: ++nextOpId // Unique ID
- };
- if (operationGroup) {
- operationGroup.ops.push(cm.curOp);
- } else {
- cm.curOp.ownsGroup = operationGroup = {
- ops: [cm.curOp],
- delayedCallbacks: []
- };
- }
- }
-
- function fireCallbacksForOps(group) {
- // Calls delayed callbacks and cursorActivity handlers until no
- // new ones appear
- var callbacks = group.delayedCallbacks, i = 0;
- do {
- for (; i < callbacks.length; i++)
- callbacks[i]();
- for (var j = 0; j < group.ops.length; j++) {
- var op = group.ops[j];
- if (op.cursorActivityHandlers)
- while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
- op.cursorActivityHandlers[op.cursorActivityCalled++](op.cm);
- }
- } while (i < callbacks.length);
- }
-
- // Finish an operation, updating the display and signalling delayed events
- function endOperation(cm) {
- var op = cm.curOp, group = op.ownsGroup;
- if (!group) return;
-
- try { fireCallbacksForOps(group); }
- finally {
- operationGroup = null;
- for (var i = 0; i < group.ops.length; i++)
- group.ops[i].cm.curOp = null;
- endOperations(group);
- }
- }
-
- // The DOM updates done when an operation finishes are batched so
- // that the minimum number of relayouts are required.
- function endOperations(group) {
- var ops = group.ops;
- for (var i = 0; i < ops.length; i++) // Read DOM
- endOperation_R1(ops[i]);
- for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
- endOperation_W1(ops[i]);
- for (var i = 0; i < ops.length; i++) // Read DOM
- endOperation_R2(ops[i]);
- for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
- endOperation_W2(ops[i]);
- for (var i = 0; i < ops.length; i++) // Read DOM
- endOperation_finish(ops[i]);
- }
-
- function endOperation_R1(op) {
- var cm = op.cm, display = cm.display;
- if (op.updateMaxLine) findMaxLine(cm);
-
- op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
- op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
- op.scrollToPos.to.line >= display.viewTo) ||
- display.maxLineChanged && cm.options.lineWrapping;
- op.update = op.mustUpdate &&
- new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
- }
-
- function endOperation_W1(op) {
- op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
- }
-
- function endOperation_R2(op) {
- var cm = op.cm, display = cm.display;
- if (op.updatedDisplay) updateHeightsInViewport(cm);
-
- op.barMeasure = measureForScrollbars(cm);
-
- // If the max line changed since it was last measured, measure it,
- // and ensure the document's width matches it.
- // updateDisplay_W2 will use these properties to do the actual resizing
- if (display.maxLineChanged && !cm.options.lineWrapping) {
- op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
- op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo +
- scrollerCutOff - display.scroller.clientWidth);
- }
-
- if (op.updatedDisplay || op.selectionChanged)
- op.newSelectionNodes = drawSelection(cm);
- }
-
- function endOperation_W2(op) {
- var cm = op.cm;
-
- if (op.adjustWidthTo != null) {
- cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
- if (op.maxScrollLeft < cm.doc.scrollLeft)
- setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true);
- cm.display.maxLineChanged = false;
- }
-
- if (op.newSelectionNodes)
- showSelection(cm, op.newSelectionNodes);
- if (op.updatedDisplay)
- setDocumentHeight(cm, op.barMeasure);
- if (op.updatedDisplay || op.startHeight != cm.doc.height)
- updateScrollbars(cm, op.barMeasure);
-
- if (op.selectionChanged) restartBlink(cm);
-
- if (cm.state.focused && op.updateInput)
- resetInput(cm, op.typing);
- }
-
- function endOperation_finish(op) {
- var cm = op.cm, display = cm.display, doc = cm.doc;
-
- if (op.adjustWidthTo != null && Math.abs(op.barMeasure.scrollWidth - cm.display.scroller.scrollWidth) > 1)
- updateScrollbars(cm);
-
- if (op.updatedDisplay) postUpdateDisplay(cm, op.update);
-
- // Abort mouse wheel delta measurement, when scrolling explicitly
- if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
- display.wheelStartX = display.wheelStartY = null;
-
- // Propagate the scroll position to the actual DOM scroller
- if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) {
- var top = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop));
- display.scroller.scrollTop = display.scrollbarV.scrollTop = doc.scrollTop = top;
- }
- if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) {
- var left = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft));
- display.scroller.scrollLeft = display.scrollbarH.scrollLeft = doc.scrollLeft = left;
- alignHorizontally(cm);
- }
- // If we need to scroll a specific position into view, do so.
- if (op.scrollToPos) {
- var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
- clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
- if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords);
- }
-
- // Fire events for markers that are hidden/unidden by editing or
- // undoing
- var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
- if (hidden) for (var i = 0; i < hidden.length; ++i)
- if (!hidden[i].lines.length) signal(hidden[i], "hide");
- if (unhidden) for (var i = 0; i < unhidden.length; ++i)
- if (unhidden[i].lines.length) signal(unhidden[i], "unhide");
-
- if (display.wrapper.offsetHeight)
- doc.scrollTop = cm.display.scroller.scrollTop;
-
- // Apply workaround for two webkit bugs
- if (op.updatedDisplay && webkit) {
- if (cm.options.lineWrapping)
- checkForWebkitWidthBug(cm, op.barMeasure); // (Issue #2420)
- if (op.barMeasure.scrollWidth > op.barMeasure.clientWidth &&
- op.barMeasure.scrollWidth < op.barMeasure.clientWidth + 1 &&
- !hScrollbarTakesSpace(cm))
- updateScrollbars(cm); // (Issue #2562)
- }
-
- // Fire change events, and delayed event handlers
- if (op.changeObjs)
- signal(cm, "changes", cm, op.changeObjs);
- }
-
- // Run the given function in an operation
- function runInOp(cm, f) {
- if (cm.curOp) return f();
- startOperation(cm);
- try { return f(); }
- finally { endOperation(cm); }
- }
- // Wraps a function in an operation. Returns the wrapped function.
- function operation(cm, f) {
- return function() {
- if (cm.curOp) return f.apply(cm, arguments);
- startOperation(cm);
- try { return f.apply(cm, arguments); }
- finally { endOperation(cm); }
- };
- }
- // Used to add methods to editor and doc instances, wrapping them in
- // operations.
- function methodOp(f) {
- return function() {
- if (this.curOp) return f.apply(this, arguments);
- startOperation(this);
- try { return f.apply(this, arguments); }
- finally { endOperation(this); }
- };
- }
- function docMethodOp(f) {
- return function() {
- var cm = this.cm;
- if (!cm || cm.curOp) return f.apply(this, arguments);
- startOperation(cm);
- try { return f.apply(this, arguments); }
- finally { endOperation(cm); }
- };
- }
-
- // VIEW TRACKING
-
- // These objects are used to represent the visible (currently drawn)
- // part of the document. A LineView may correspond to multiple
- // logical lines, if those are connected by collapsed ranges.
- function LineView(doc, line, lineN) {
- // The starting line
- this.line = line;
- // Continuing lines, if any
- this.rest = visualLineContinued(line);
- // Number of logical lines in this visual line
- this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
- this.node = this.text = null;
- this.hidden = lineIsHidden(doc, line);
- }
-
- // Create a range of LineView objects for the given lines.
- function buildViewArray(cm, from, to) {
- var array = [], nextPos;
- for (var pos = from; pos < to; pos = nextPos) {
- var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
- nextPos = pos + view.size;
- array.push(view);
- }
- return array;
- }
-
- // Updates the display.view data structure for a given change to the
- // document. From and to are in pre-change coordinates. Lendiff is
- // the amount of lines added or subtracted by the change. This is
- // used for changes that span multiple lines, or change the way
- // lines are divided into visual lines. regLineChange (below)
- // registers single-line changes.
- function regChange(cm, from, to, lendiff) {
- if (from == null) from = cm.doc.first;
- if (to == null) to = cm.doc.first + cm.doc.size;
- if (!lendiff) lendiff = 0;
-
- var display = cm.display;
- if (lendiff && to < display.viewTo &&
- (display.updateLineNumbers == null || display.updateLineNumbers > from))
- display.updateLineNumbers = from;
-
- cm.curOp.viewChanged = true;
-
- if (from >= display.viewTo) { // Change after
- if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
- resetView(cm);
- } else if (to <= display.viewFrom) { // Change before
- if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
- resetView(cm);
- } else {
- display.viewFrom += lendiff;
- display.viewTo += lendiff;
- }
- } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
- resetView(cm);
- } else if (from <= display.viewFrom) { // Top overlap
- var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
- if (cut) {
- display.view = display.view.slice(cut.index);
- display.viewFrom = cut.lineN;
- display.viewTo += lendiff;
- } else {
- resetView(cm);
- }
- } else if (to >= display.viewTo) { // Bottom overlap
- var cut = viewCuttingPoint(cm, from, from, -1);
- if (cut) {
- display.view = display.view.slice(0, cut.index);
- display.viewTo = cut.lineN;
- } else {
- resetView(cm);
- }
- } else { // Gap in the middle
- var cutTop = viewCuttingPoint(cm, from, from, -1);
- var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
- if (cutTop && cutBot) {
- display.view = display.view.slice(0, cutTop.index)
- .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
- .concat(display.view.slice(cutBot.index));
- display.viewTo += lendiff;
- } else {
- resetView(cm);
- }
- }
-
- var ext = display.externalMeasured;
- if (ext) {
- if (to < ext.lineN)
- ext.lineN += lendiff;
- else if (from < ext.lineN + ext.size)
- display.externalMeasured = null;
- }
- }
-
- // Register a change to a single line. Type must be one of "text",
- // "gutter", "class", "widget"
- function regLineChange(cm, line, type) {
- cm.curOp.viewChanged = true;
- var display = cm.display, ext = cm.display.externalMeasured;
- if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
- display.externalMeasured = null;
-
- if (line < display.viewFrom || line >= display.viewTo) return;
- var lineView = display.view[findViewIndex(cm, line)];
- if (lineView.node == null) return;
- var arr = lineView.changes || (lineView.changes = []);
- if (indexOf(arr, type) == -1) arr.push(type);
- }
-
- // Clear the view.
- function resetView(cm) {
- cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
- cm.display.view = [];
- cm.display.viewOffset = 0;
- }
-
- // Find the view element corresponding to a given line. Return null
- // when the line isn't visible.
- function findViewIndex(cm, n) {
- if (n >= cm.display.viewTo) return null;
- n -= cm.display.viewFrom;
- if (n < 0) return null;
- var view = cm.display.view;
- for (var i = 0; i < view.length; i++) {
- n -= view[i].size;
- if (n < 0) return i;
- }
- }
-
- function viewCuttingPoint(cm, oldN, newN, dir) {
- var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
- if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
- return {index: index, lineN: newN};
- for (var i = 0, n = cm.display.viewFrom; i < index; i++)
- n += view[i].size;
- if (n != oldN) {
- if (dir > 0) {
- if (index == view.length - 1) return null;
- diff = (n + view[index].size) - oldN;
- index++;
- } else {
- diff = n - oldN;
- }
- oldN += diff; newN += diff;
- }
- while (visualLineNo(cm.doc, newN) != newN) {
- if (index == (dir < 0 ? 0 : view.length - 1)) return null;
- newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
- index += dir;
- }
- return {index: index, lineN: newN};
- }
-
- // Force the view to cover a given range, adding empty view element
- // or clipping off existing ones as needed.
- function adjustView(cm, from, to) {
- var display = cm.display, view = display.view;
- if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
- display.view = buildViewArray(cm, from, to);
- display.viewFrom = from;
- } else {
- if (display.viewFrom > from)
- display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view);
- else if (display.viewFrom < from)
- display.view = display.view.slice(findViewIndex(cm, from));
- display.viewFrom = from;
- if (display.viewTo < to)
- display.view = display.view.concat(buildViewArray(cm, display.viewTo, to));
- else if (display.viewTo > to)
- display.view = display.view.slice(0, findViewIndex(cm, to));
- }
- display.viewTo = to;
- }
-
- // Count the number of lines in the view whose DOM representation is
- // out of date (or nonexistent).
- function countDirtyView(cm) {
- var view = cm.display.view, dirty = 0;
- for (var i = 0; i < view.length; i++) {
- var lineView = view[i];
- if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty;
- }
- return dirty;
- }
-
- // INPUT HANDLING
-
- // Poll for input changes, using the normal rate of polling. This
- // runs as long as the editor is focused.
- function slowPoll(cm) {
- if (cm.display.pollingFast) return;
- cm.display.poll.set(cm.options.pollInterval, function() {
- readInput(cm);
- if (cm.state.focused) slowPoll(cm);
- });
- }
-
- // When an event has just come in that is likely to add or change
- // something in the input textarea, we poll faster, to ensure that
- // the change appears on the screen quickly.
- function fastPoll(cm) {
- var missed = false;
- cm.display.pollingFast = true;
- function p() {
- var changed = readInput(cm);
- if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);}
- else {cm.display.pollingFast = false; slowPoll(cm);}
- }
- cm.display.poll.set(20, p);
- }
-
- // This will be set to an array of strings when copying, so that,
- // when pasting, we know what kind of selections the copied text
- // was made out of.
- var lastCopied = null;
-
- // Read input from the textarea, and update the document to match.
- // When something is selected, it is present in the textarea, and
- // selected (unless it is huge, in which case a placeholder is
- // used). When nothing is selected, the cursor sits after previously
- // seen text (can be empty), which is stored in prevInput (we must
- // not reset the textarea when typing, because that breaks IME).
- function readInput(cm) {
- var input = cm.display.input, prevInput = cm.display.prevInput, doc = cm.doc;
- // Since this is called a *lot*, try to bail out as cheaply as
- // possible when it is clear that nothing happened. hasSelection
- // will be the case when there is a lot of text in the textarea,
- // in which case reading its value would be expensive.
- if (!cm.state.focused || (hasSelection(input) && !prevInput) || isReadOnly(cm) || cm.options.disableInput || cm.state.keySeq)
- return false;
- // See paste handler for more on the fakedLastChar kludge
- if (cm.state.pasteIncoming && cm.state.fakedLastChar) {
- input.value = input.value.substring(0, input.value.length - 1);
- cm.state.fakedLastChar = false;
- }
- var text = input.value;
- // If nothing changed, bail.
- if (text == prevInput && !cm.somethingSelected()) return false;
- // Work around nonsensical selection resetting in IE9/10, and
- // inexplicable appearance of private area unicode characters on
- // some key combos in Mac (#2689).
- if (ie && ie_version >= 9 && cm.display.inputHasSelection === text ||
- mac && /[\uf700-\uf7ff]/.test(text)) {
- resetInput(cm);
- return false;
- }
-
- var withOp = !cm.curOp;
- if (withOp) startOperation(cm);
- cm.display.shift = false;
-
- if (text.charCodeAt(0) == 0x200b && doc.sel == cm.display.selForContextMenu && !prevInput)
- prevInput = "\u200b";
- // Find the part of the input that is actually new
- var same = 0, l = Math.min(prevInput.length, text.length);
- while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same;
- var inserted = text.slice(same), textLines = splitLines(inserted);
-
- // When pasing N lines into N selections, insert one line per selection
- var multiPaste = null;
- if (cm.state.pasteIncoming && doc.sel.ranges.length > 1) {
- if (lastCopied && lastCopied.join("\n") == inserted)
- multiPaste = doc.sel.ranges.length % lastCopied.length == 0 && map(lastCopied, splitLines);
- else if (textLines.length == doc.sel.ranges.length)
- multiPaste = map(textLines, function(l) { return [l]; });
- }
-
- // Normal behavior is to insert the new text into every selection
- for (var i = doc.sel.ranges.length - 1; i >= 0; i--) {
- var range = doc.sel.ranges[i];
- var from = range.from(), to = range.to();
- // Handle deletion
- if (same < prevInput.length)
- from = Pos(from.line, from.ch - (prevInput.length - same));
- // Handle overwrite
- else if (cm.state.overwrite && range.empty() && !cm.state.pasteIncoming)
- to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length));
- var updateInput = cm.curOp.updateInput;
- var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines,
- origin: cm.state.pasteIncoming ? "paste" : cm.state.cutIncoming ? "cut" : "+input"};
- makeChange(cm.doc, changeEvent);
- signalLater(cm, "inputRead", cm, changeEvent);
- // When an 'electric' character is inserted, immediately trigger a reindent
- if (inserted && !cm.state.pasteIncoming && cm.options.electricChars &&
- cm.options.smartIndent && range.head.ch < 100 &&
- (!i || doc.sel.ranges[i - 1].head.line != range.head.line)) {
- var mode = cm.getModeAt(range.head);
- var end = changeEnd(changeEvent);
- if (mode.electricChars) {
- for (var j = 0; j < mode.electricChars.length; j++)
- if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
- indentLine(cm, end.line, "smart");
- break;
- }
- } else if (mode.electricInput) {
- if (mode.electricInput.test(getLine(doc, end.line).text.slice(0, end.ch)))
- indentLine(cm, end.line, "smart");
- }
- }
- }
- ensureCursorVisible(cm);
- cm.curOp.updateInput = updateInput;
- cm.curOp.typing = true;
-
- // Don't leave long text in the textarea, since it makes further polling slow
- if (text.length > 1000 || text.indexOf("\n") > -1) input.value = cm.display.prevInput = "";
- else cm.display.prevInput = text;
- if (withOp) endOperation(cm);
- cm.state.pasteIncoming = cm.state.cutIncoming = false;
- return true;
- }
-
- // Reset the input to correspond to the selection (or to be empty,
- // when not typing and nothing is selected)
- function resetInput(cm, typing) {
- var minimal, selected, doc = cm.doc;
- if (cm.somethingSelected()) {
- cm.display.prevInput = "";
- var range = doc.sel.primary();
- minimal = hasCopyEvent &&
- (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000);
- var content = minimal ? "-" : selected || cm.getSelection();
- cm.display.input.value = content;
- if (cm.state.focused) selectInput(cm.display.input);
- if (ie && ie_version >= 9) cm.display.inputHasSelection = content;
- } else if (!typing) {
- cm.display.prevInput = cm.display.input.value = "";
- if (ie && ie_version >= 9) cm.display.inputHasSelection = null;
- }
- cm.display.inaccurateSelection = minimal;
- }
-
- function focusInput(cm) {
- if (cm.options.readOnly != "nocursor" && (!mobile || activeElt() != cm.display.input))
- cm.display.input.focus();
- }
-
- function ensureFocus(cm) {
- if (!cm.state.focused) { focusInput(cm); onFocus(cm); }
- }
-
- function isReadOnly(cm) {
- return cm.options.readOnly || cm.doc.cantEdit;
- }
-
- // EVENT HANDLERS
-
- // Attach the necessary event handlers when initializing the editor
- function registerEventHandlers(cm) {
- var d = cm.display;
- on(d.scroller, "mousedown", operation(cm, onMouseDown));
- // Older IE's will not fire a second mousedown for a double click
- if (ie && ie_version < 11)
- on(d.scroller, "dblclick", operation(cm, function(e) {
- if (signalDOMEvent(cm, e)) return;
- var pos = posFromMouse(cm, e);
- if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return;
- e_preventDefault(e);
- var word = cm.findWordAt(pos);
- extendSelection(cm.doc, word.anchor, word.head);
- }));
- else
- on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); });
- // Prevent normal selection in the editor (we handle our own)
- on(d.lineSpace, "selectstart", function(e) {
- if (!eventInWidget(d, e)) e_preventDefault(e);
- });
- // Some browsers fire contextmenu *after* opening the menu, at
- // which point we can't mess with it anymore. Context menu is
- // handled in onMouseDown for these browsers.
- if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
-
- // Sync scrolling between fake scrollbars and real scrollable
- // area, ensure viewport is updated when scrolling.
- on(d.scroller, "scroll", function() {
- if (d.scroller.clientHeight) {
- setScrollTop(cm, d.scroller.scrollTop);
- setScrollLeft(cm, d.scroller.scrollLeft, true);
- signal(cm, "scroll", cm);
- }
- });
- on(d.scrollbarV, "scroll", function() {
- if (d.scroller.clientHeight) setScrollTop(cm, d.scrollbarV.scrollTop);
- });
- on(d.scrollbarH, "scroll", function() {
- if (d.scroller.clientHeight) setScrollLeft(cm, d.scrollbarH.scrollLeft);
- });
-
- // Listen to wheel events in order to try and update the viewport on time.
- on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
- on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
-
- // Prevent clicks in the scrollbars from killing focus
- function reFocus() { if (cm.state.focused) setTimeout(bind(focusInput, cm), 0); }
- on(d.scrollbarH, "mousedown", reFocus);
- on(d.scrollbarV, "mousedown", reFocus);
- // Prevent wrapper from ever scrolling
- on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
-
- on(d.input, "keyup", function(e) { onKeyUp.call(cm, e); });
- on(d.input, "input", function() {
- if (ie && ie_version >= 9 && cm.display.inputHasSelection) cm.display.inputHasSelection = null;
- fastPoll(cm);
- });
- on(d.input, "keydown", operation(cm, onKeyDown));
- on(d.input, "keypress", operation(cm, onKeyPress));
- on(d.input, "focus", bind(onFocus, cm));
- on(d.input, "blur", bind(onBlur, cm));
-
- function drag_(e) {
- if (!signalDOMEvent(cm, e)) e_stop(e);
- }
- if (cm.options.dragDrop) {
- on(d.scroller, "dragstart", function(e){onDragStart(cm, e);});
- on(d.scroller, "dragenter", drag_);
- on(d.scroller, "dragover", drag_);
- on(d.scroller, "drop", operation(cm, onDrop));
- }
- on(d.scroller, "paste", function(e) {
- if (eventInWidget(d, e)) return;
- cm.state.pasteIncoming = true;
- focusInput(cm);
- fastPoll(cm);
- });
- on(d.input, "paste", function() {
- // Workaround for webkit bug https://bugs.webkit.org/show_bug.cgi?id=90206
- // Add a char to the end of textarea before paste occur so that
- // selection doesn't span to the end of textarea.
- if (webkit && !cm.state.fakedLastChar && !(new Date - cm.state.lastMiddleDown < 200)) {
- var start = d.input.selectionStart, end = d.input.selectionEnd;
- d.input.value += "$";
- // The selection end needs to be set before the start, otherwise there
- // can be an intermediate non-empty selection between the two, which
- // can override the middle-click paste buffer on linux and cause the
- // wrong thing to get pasted.
- d.input.selectionEnd = end;
- d.input.selectionStart = start;
- cm.state.fakedLastChar = true;
- }
- cm.state.pasteIncoming = true;
- fastPoll(cm);
- });
-
- function prepareCopyCut(e) {
- if (cm.somethingSelected()) {
- lastCopied = cm.getSelections();
- if (d.inaccurateSelection) {
- d.prevInput = "";
- d.inaccurateSelection = false;
- d.input.value = lastCopied.join("\n");
- selectInput(d.input);
- }
- } else {
- var text = [], ranges = [];
- for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
- var line = cm.doc.sel.ranges[i].head.line;
- var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
- ranges.push(lineRange);
- text.push(cm.getRange(lineRange.anchor, lineRange.head));
- }
- if (e.type == "cut") {
- cm.setSelections(ranges, null, sel_dontScroll);
- } else {
- d.prevInput = "";
- d.input.value = text.join("\n");
- selectInput(d.input);
- }
- lastCopied = text;
- }
- if (e.type == "cut") cm.state.cutIncoming = true;
- }
- on(d.input, "cut", prepareCopyCut);
- on(d.input, "copy", prepareCopyCut);
-
- // Needed to handle Tab key in KHTML
- if (khtml) on(d.sizer, "mouseup", function() {
- if (activeElt() == d.input) d.input.blur();
- focusInput(cm);
- });
- }
-
- // Called when the window resizes
- function onResize(cm) {
- var d = cm.display;
- if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
- return;
- // Might be a text scaling operation, clear size caches.
- d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
- cm.setSize();
- }
-
- // MOUSE EVENTS
-
- // Return true when the given mouse event happened in a widget
- function eventInWidget(display, e) {
- for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
- if (!n || n.ignoreEvents || n.parentNode == display.sizer && n != display.mover) return true;
- }
- }
-
- // Given a mouse event, find the corresponding position. If liberal
- // is false, it checks whether a gutter or scrollbar was clicked,
- // and returns null if it was. forRect is used by rectangular
- // selections, and tries to estimate a character position even for
- // coordinates beyond the right of the text.
- function posFromMouse(cm, e, liberal, forRect) {
- var display = cm.display;
- if (!liberal) {
- var target = e_target(e);
- if (target == display.scrollbarH || target == display.scrollbarV ||
- target == display.scrollbarFiller || target == display.gutterFiller) return null;
- }
- var x, y, space = display.lineSpace.getBoundingClientRect();
- // Fails unpredictably on IE[67] when mouse is dragged around quickly.
- try { x = e.clientX - space.left; y = e.clientY - space.top; }
- catch (e) { return null; }
- var coords = coordsChar(cm, x, y), line;
- if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
- var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
- coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
- }
- return coords;
- }
-
- // A mouse down can be a single click, double click, triple click,
- // start of selection drag, start of text drag, new cursor
- // (ctrl-click), rectangle drag (alt-drag), or xwin
- // middle-click-paste. Or it might be a click on something we should
- // not interfere with, such as a scrollbar or widget.
- function onMouseDown(e) {
- if (signalDOMEvent(this, e)) return;
- var cm = this, display = cm.display;
- display.shift = e.shiftKey;
-
- if (eventInWidget(display, e)) {
- if (!webkit) {
- // Briefly turn off draggability, to allow widgets to do
- // normal dragging things.
- display.scroller.draggable = false;
- setTimeout(function(){display.scroller.draggable = true;}, 100);
- }
- return;
- }
- if (clickInGutter(cm, e)) return;
- var start = posFromMouse(cm, e);
- window.focus();
-
- switch (e_button(e)) {
- case 1:
- if (start)
- leftButtonDown(cm, e, start);
- else if (e_target(e) == display.scroller)
- e_preventDefault(e);
- break;
- case 2:
- if (webkit) cm.state.lastMiddleDown = +new Date;
- if (start) extendSelection(cm.doc, start);
- setTimeout(bind(focusInput, cm), 20);
- e_preventDefault(e);
- break;
- case 3:
- if (captureRightClick) onContextMenu(cm, e);
- break;
- }
- }
-
- var lastClick, lastDoubleClick;
- function leftButtonDown(cm, e, start) {
- setTimeout(bind(ensureFocus, cm), 0);
-
- var now = +new Date, type;
- if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
- type = "triple";
- } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
- type = "double";
- lastDoubleClick = {time: now, pos: start};
- } else {
- type = "single";
- lastClick = {time: now, pos: start};
- }
-
- var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey;
- if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) &&
- type == "single" && sel.contains(start) > -1 && sel.somethingSelected())
- leftButtonStartDrag(cm, e, start, modifier);
- else
- leftButtonSelect(cm, e, start, type, modifier);
- }
-
- // Start a text drag. When it ends, see if any dragging actually
- // happen, and treat as a click if it didn't.
- function leftButtonStartDrag(cm, e, start, modifier) {
- var display = cm.display;
- var dragEnd = operation(cm, function(e2) {
- if (webkit) display.scroller.draggable = false;
- cm.state.draggingText = false;
- off(document, "mouseup", dragEnd);
- off(display.scroller, "drop", dragEnd);
- if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
- e_preventDefault(e2);
- if (!modifier)
- extendSelection(cm.doc, start);
- focusInput(cm);
- // Work around unexplainable focus problem in IE9 (#2127)
- if (ie && ie_version == 9)
- setTimeout(function() {document.body.focus(); focusInput(cm);}, 20);
- }
- });
- // Let the drag handler handle this.
- if (webkit) display.scroller.draggable = true;
- cm.state.draggingText = dragEnd;
- // IE's approach to draggable
- if (display.scroller.dragDrop) display.scroller.dragDrop();
- on(document, "mouseup", dragEnd);
- on(display.scroller, "drop", dragEnd);
- }
-
- // Normal selection, as opposed to text dragging.
- function leftButtonSelect(cm, e, start, type, addNew) {
- var display = cm.display, doc = cm.doc;
- e_preventDefault(e);
-
- var ourRange, ourIndex, startSel = doc.sel;
- if (addNew && !e.shiftKey) {
- ourIndex = doc.sel.contains(start);
- if (ourIndex > -1)
- ourRange = doc.sel.ranges[ourIndex];
- else
- ourRange = new Range(start, start);
- } else {
- ourRange = doc.sel.primary();
- }
-
- if (e.altKey) {
- type = "rect";
- if (!addNew) ourRange = new Range(start, start);
- start = posFromMouse(cm, e, true, true);
- ourIndex = -1;
- } else if (type == "double") {
- var word = cm.findWordAt(start);
- if (cm.display.shift || doc.extend)
- ourRange = extendRange(doc, ourRange, word.anchor, word.head);
- else
- ourRange = word;
- } else if (type == "triple") {
- var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)));
- if (cm.display.shift || doc.extend)
- ourRange = extendRange(doc, ourRange, line.anchor, line.head);
- else
- ourRange = line;
- } else {
- ourRange = extendRange(doc, ourRange, start);
- }
-
- if (!addNew) {
- ourIndex = 0;
- setSelection(doc, new Selection([ourRange], 0), sel_mouse);
- startSel = doc.sel;
- } else if (ourIndex > -1) {
- replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
- } else {
- ourIndex = doc.sel.ranges.length;
- setSelection(doc, normalizeSelection(doc.sel.ranges.concat([ourRange]), ourIndex),
- {scroll: false, origin: "*mouse"});
- }
-
- var lastPos = start;
- function extendTo(pos) {
- if (cmp(lastPos, pos) == 0) return;
- lastPos = pos;
-
- if (type == "rect") {
- var ranges = [], tabSize = cm.options.tabSize;
- var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
- var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
- var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
- for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
- line <= end; line++) {
- var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
- if (left == right)
- ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos)));
- else if (text.length > leftPos)
- ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))));
- }
- if (!ranges.length) ranges.push(new Range(start, start));
- setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
- {origin: "*mouse", scroll: false});
- cm.scrollIntoView(pos);
- } else {
- var oldRange = ourRange;
- var anchor = oldRange.anchor, head = pos;
- if (type != "single") {
- if (type == "double")
- var range = cm.findWordAt(pos);
- else
- var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0)));
- if (cmp(range.anchor, anchor) > 0) {
- head = range.head;
- anchor = minPos(oldRange.from(), range.anchor);
- } else {
- head = range.anchor;
- anchor = maxPos(oldRange.to(), range.head);
- }
- }
- var ranges = startSel.ranges.slice(0);
- ranges[ourIndex] = new Range(clipPos(doc, anchor), head);
- setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse);
- }
- }
-
- var editorSize = display.wrapper.getBoundingClientRect();
- // Used to ensure timeout re-tries don't fire when another extend
- // happened in the meantime (clearTimeout isn't reliable -- at
- // least on Chrome, the timeouts still happen even when cleared,
- // if the clear happens after their scheduled firing time).
- var counter = 0;
-
- function extend(e) {
- var curCount = ++counter;
- var cur = posFromMouse(cm, e, true, type == "rect");
- if (!cur) return;
- if (cmp(cur, lastPos) != 0) {
- ensureFocus(cm);
- extendTo(cur);
- var visible = visibleLines(display, doc);
- if (cur.line >= visible.to || cur.line < visible.from)
- setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
- } else {
- var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
- if (outside) setTimeout(operation(cm, function() {
- if (counter != curCount) return;
- display.scroller.scrollTop += outside;
- extend(e);
- }), 50);
- }
- }
-
- function done(e) {
- counter = Infinity;
- e_preventDefault(e);
- focusInput(cm);
- off(document, "mousemove", move);
- off(document, "mouseup", up);
- doc.history.lastSelOrigin = null;
- }
-
- var move = operation(cm, function(e) {
- if (!e_button(e)) done(e);
- else extend(e);
- });
- var up = operation(cm, done);
- on(document, "mousemove", move);
- on(document, "mouseup", up);
- }
-
- // Determines whether an event happened in the gutter, and fires the
- // handlers for the corresponding event.
- function gutterEvent(cm, e, type, prevent, signalfn) {
- try { var mX = e.clientX, mY = e.clientY; }
- catch(e) { return false; }
- if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false;
- if (prevent) e_preventDefault(e);
-
- var display = cm.display;
- var lineBox = display.lineDiv.getBoundingClientRect();
-
- if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e);
- mY -= lineBox.top - display.viewOffset;
-
- for (var i = 0; i < cm.options.gutters.length; ++i) {
- var g = display.gutters.childNodes[i];
- if (g && g.getBoundingClientRect().right >= mX) {
- var line = lineAtHeight(cm.doc, mY);
- var gutter = cm.options.gutters[i];
- signalfn(cm, type, cm, line, gutter, e);
- return e_defaultPrevented(e);
- }
- }
- }
-
- function clickInGutter(cm, e) {
- return gutterEvent(cm, e, "gutterClick", true, signalLater);
- }
-
- // Kludge to work around strange IE behavior where it'll sometimes
- // re-fire a series of drag-related events right after the drop (#1551)
- var lastDrop = 0;
-
- function onDrop(e) {
- var cm = this;
- if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
- return;
- e_preventDefault(e);
- if (ie) lastDrop = +new Date;
- var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
- if (!pos || isReadOnly(cm)) return;
- // Might be a file drop, in which case we simply extract the text
- // and insert it.
- if (files && files.length && window.FileReader && window.File) {
- var n = files.length, text = Array(n), read = 0;
- var loadFile = function(file, i) {
- var reader = new FileReader;
- reader.onload = operation(cm, function() {
- text[i] = reader.result;
- if (++read == n) {
- pos = clipPos(cm.doc, pos);
- var change = {from: pos, to: pos, text: splitLines(text.join("\n")), origin: "paste"};
- makeChange(cm.doc, change);
- setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
- }
- });
- reader.readAsText(file);
- };
- for (var i = 0; i < n; ++i) loadFile(files[i], i);
- } else { // Normal drop
- // Don't do a replace if the drop happened inside of the selected text.
- if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
- cm.state.draggingText(e);
- // Ensure the editor is re-focused
- setTimeout(bind(focusInput, cm), 20);
- return;
- }
- try {
- var text = e.dataTransfer.getData("Text");
- if (text) {
- if (cm.state.draggingText && !(mac ? e.metaKey : e.ctrlKey))
- var selected = cm.listSelections();
- setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
- if (selected) for (var i = 0; i < selected.length; ++i)
- replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag");
- cm.replaceSelection(text, "around", "paste");
- focusInput(cm);
- }
- }
- catch(e){}
- }
- }
-
- function onDragStart(cm, e) {
- if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; }
- if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return;
-
- e.dataTransfer.setData("Text", cm.getSelection());
-
- // Use dummy image instead of default browsers image.
- // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
- if (e.dataTransfer.setDragImage && !safari) {
- var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
- img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
- if (presto) {
- img.width = img.height = 1;
- cm.display.wrapper.appendChild(img);
- // Force a relayout, or Opera won't use our image for some obscure reason
- img._top = img.offsetTop;
- }
- e.dataTransfer.setDragImage(img, 0, 0);
- if (presto) img.parentNode.removeChild(img);
- }
- }
-
- // SCROLL EVENTS
-
- // Sync the scrollable area and scrollbars, ensure the viewport
- // covers the visible area.
- function setScrollTop(cm, val) {
- if (Math.abs(cm.doc.scrollTop - val) < 2) return;
- cm.doc.scrollTop = val;
- if (!gecko) updateDisplaySimple(cm, {top: val});
- if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
- if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val;
- if (gecko) updateDisplaySimple(cm);
- startWorker(cm, 100);
- }
- // Sync scroller and scrollbar, ensure the gutter elements are
- // aligned.
- function setScrollLeft(cm, val, isScroller) {
- if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return;
- val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
- cm.doc.scrollLeft = val;
- alignHorizontally(cm);
- if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
- if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val;
- }
-
- // Since the delta values reported on mouse wheel events are
- // unstandardized between browsers and even browser versions, and
- // generally horribly unpredictable, this code starts by measuring
- // the scroll effect that the first few mouse wheel events have,
- // and, from that, detects the way it can convert deltas to pixel
- // offsets afterwards.
- //
- // The reason we want to know the amount a wheel event will scroll
- // is that it gives us a chance to update the display before the
- // actual scrolling happens, reducing flickering.
-
- var wheelSamples = 0, wheelPixelsPerUnit = null;
- // Fill in a browser-detected starting value on browsers where we
- // know one. These don't have to be accurate -- the result of them
- // being wrong would just be a slight flicker on the first wheel
- // scroll (if it is large enough).
- if (ie) wheelPixelsPerUnit = -.53;
- else if (gecko) wheelPixelsPerUnit = 15;
- else if (chrome) wheelPixelsPerUnit = -.7;
- else if (safari) wheelPixelsPerUnit = -1/3;
-
- function onScrollWheel(cm, e) {
- var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
- if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
- if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
- else if (dy == null) dy = e.wheelDelta;
-
- var display = cm.display, scroll = display.scroller;
- // Quit if there's nothing to scroll here
- if (!(dx && scroll.scrollWidth > scroll.clientWidth ||
- dy && scroll.scrollHeight > scroll.clientHeight)) return;
-
- // Webkit browsers on OS X abort momentum scrolls when the target
- // of the scroll event is removed from the scrollable element.
- // This hack (see related code in patchDisplay) makes sure the
- // element is kept around.
- if (dy && mac && webkit) {
- outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
- for (var i = 0; i < view.length; i++) {
- if (view[i].node == cur) {
- cm.display.currentWheelTarget = cur;
- break outer;
- }
- }
- }
- }
-
- // On some browsers, horizontal scrolling will cause redraws to
- // happen before the gutter has been realigned, causing it to
- // wriggle around in a most unseemly way. When we have an
- // estimated pixels/delta value, we just handle horizontal
- // scrolling entirely here. It'll be slightly off from native, but
- // better than glitching out.
- if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
- if (dy)
- setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
- setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
- e_preventDefault(e);
- display.wheelStartX = null; // Abort measurement, if in progress
- return;
- }
-
- // 'Project' the visible viewport to cover the area that is being
- // scrolled into view (if we know enough to estimate it).
- if (dy && wheelPixelsPerUnit != null) {
- var pixels = dy * wheelPixelsPerUnit;
- var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
- if (pixels < 0) top = Math.max(0, top + pixels - 50);
- else bot = Math.min(cm.doc.height, bot + pixels + 50);
- updateDisplaySimple(cm, {top: top, bottom: bot});
- }
-
- if (wheelSamples < 20) {
- if (display.wheelStartX == null) {
- display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
- display.wheelDX = dx; display.wheelDY = dy;
- setTimeout(function() {
- if (display.wheelStartX == null) return;
- var movedX = scroll.scrollLeft - display.wheelStartX;
- var movedY = scroll.scrollTop - display.wheelStartY;
- var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
- (movedX && display.wheelDX && movedX / display.wheelDX);
- display.wheelStartX = display.wheelStartY = null;
- if (!sample) return;
- wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
- ++wheelSamples;
- }, 200);
- } else {
- display.wheelDX += dx; display.wheelDY += dy;
- }
- }
- }
-
- // KEY EVENTS
-
- // Run a handler that was bound to a key.
- function doHandleBinding(cm, bound, dropShift) {
- if (typeof bound == "string") {
- bound = commands[bound];
- if (!bound) return false;
- }
- // Ensure previous input has been read, so that the handler sees a
- // consistent view of the document
- if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false;
- var prevShift = cm.display.shift, done = false;
- try {
- if (isReadOnly(cm)) cm.state.suppressEdits = true;
- if (dropShift) cm.display.shift = false;
- done = bound(cm) != Pass;
- } finally {
- cm.display.shift = prevShift;
- cm.state.suppressEdits = false;
- }
- return done;
- }
-
- function lookupKeyForEditor(cm, name, handle) {
- for (var i = 0; i < cm.state.keyMaps.length; i++) {
- var result = lookupKey(name, cm.state.keyMaps[i], handle);
- if (result) return result;
- }
- return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle))
- || lookupKey(name, cm.options.keyMap, handle);
- }
-
- var stopSeq = new Delayed;
- function dispatchKey(cm, name, e, handle) {
- var seq = cm.state.keySeq;
- if (seq) {
- if (isModifierKey(name)) return "handled";
- stopSeq.set(50, function() {
- if (cm.state.keySeq == seq) {
- cm.state.keySeq = null;
- resetInput(cm);
- }
- });
- name = seq + " " + name;
- }
- var result = lookupKeyForEditor(cm, name, handle);
-
- if (result == "multi")
- cm.state.keySeq = name;
- if (result == "handled")
- signalLater(cm, "keyHandled", cm, name, e);
-
- if (result == "handled" || result == "multi") {
- e_preventDefault(e);
- restartBlink(cm);
- }
-
- if (seq && !result && /\'$/.test(name)) {
- e_preventDefault(e);
- return true;
- }
- return !!result;
- }
-
- // Handle a key from the keydown event.
- function handleKeyBinding(cm, e) {
- var name = keyName(e, true);
- if (!name) return false;
-
- if (e.shiftKey && !cm.state.keySeq) {
- // First try to resolve full name (including 'Shift-'). Failing
- // that, see if there is a cursor-motion command (starting with
- // 'go') bound to the keyname without 'Shift-'.
- return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);})
- || dispatchKey(cm, name, e, function(b) {
- if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
- return doHandleBinding(cm, b);
- });
- } else {
- return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); });
- }
- }
-
- // Handle a key from the keypress event
- function handleCharBinding(cm, e, ch) {
- return dispatchKey(cm, "'" + ch + "'", e,
- function(b) { return doHandleBinding(cm, b, true); });
- }
-
- var lastStoppedKey = null;
- function onKeyDown(e) {
- var cm = this;
- ensureFocus(cm);
- if (signalDOMEvent(cm, e)) return;
- // IE does strange things with escape.
- if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false;
- var code = e.keyCode;
- cm.display.shift = code == 16 || e.shiftKey;
- var handled = handleKeyBinding(cm, e);
- if (presto) {
- lastStoppedKey = handled ? code : null;
- // Opera has no cut event... we try to at least catch the key combo
- if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
- cm.replaceSelection("", null, "cut");
- }
-
- // Turn mouse into crosshair when Alt is held on Mac.
- if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
- showCrossHair(cm);
- }
-
- function showCrossHair(cm) {
- var lineDiv = cm.display.lineDiv;
- addClass(lineDiv, "CodeMirror-crosshair");
-
- function up(e) {
- if (e.keyCode == 18 || !e.altKey) {
- rmClass(lineDiv, "CodeMirror-crosshair");
- off(document, "keyup", up);
- off(document, "mouseover", up);
- }
- }
- on(document, "keyup", up);
- on(document, "mouseover", up);
- }
-
- function onKeyUp(e) {
- if (e.keyCode == 16) this.doc.sel.shift = false;
- signalDOMEvent(this, e);
- }
-
- function onKeyPress(e) {
- var cm = this;
- if (signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return;
- var keyCode = e.keyCode, charCode = e.charCode;
- if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
- if (((presto && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return;
- var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
- if (handleCharBinding(cm, e, ch)) return;
- if (ie && ie_version >= 9) cm.display.inputHasSelection = null;
- fastPoll(cm);
- }
-
- // FOCUS/BLUR EVENTS
-
- function onFocus(cm) {
- if (cm.options.readOnly == "nocursor") return;
- if (!cm.state.focused) {
- signal(cm, "focus", cm);
- cm.state.focused = true;
- addClass(cm.display.wrapper, "CodeMirror-focused");
- // The prevInput test prevents this from firing when a context
- // menu is closed (since the resetInput would kill the
- // select-all detection hack)
- if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
- resetInput(cm);
- if (webkit) setTimeout(bind(resetInput, cm, true), 0); // Issue #1730
- }
- }
- slowPoll(cm);
- restartBlink(cm);
- }
- function onBlur(cm) {
- if (cm.state.focused) {
- signal(cm, "blur", cm);
- cm.state.focused = false;
- rmClass(cm.display.wrapper, "CodeMirror-focused");
- }
- clearInterval(cm.display.blinker);
- setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150);
- }
-
- // CONTEXT MENU HANDLING
-
- // To make the context menu work, we need to briefly unhide the
- // textarea (making it as unobtrusive as possible) to let the
- // right-click take effect on it.
- function onContextMenu(cm, e) {
- if (signalDOMEvent(cm, e, "contextmenu")) return;
- var display = cm.display;
- if (eventInWidget(display, e) || contextMenuInGutter(cm, e)) return;
-
- var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
- if (!pos || presto) return; // Opera is difficult.
-
- // Reset the current text selection only if the click is done outside of the selection
- // and 'resetSelectionOnContextMenu' option is true.
- var reset = cm.options.resetSelectionOnContextMenu;
- if (reset && cm.doc.sel.contains(pos) == -1)
- operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll);
-
- var oldCSS = display.input.style.cssText;
- display.inputDiv.style.position = "absolute";
- display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
- "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " +
- (ie ? "rgba(255, 255, 255, .05)" : "transparent") +
- "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
- if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712)
- focusInput(cm);
- if (webkit) window.scrollTo(null, oldScrollY);
- resetInput(cm);
- // Adds "Select all" to context menu in FF
- if (!cm.somethingSelected()) display.input.value = display.prevInput = " ";
- display.selForContextMenu = cm.doc.sel;
- clearTimeout(display.detectingSelectAll);
-
- // Select-all will be greyed out if there's nothing to select, so
- // this adds a zero-width space so that we can later check whether
- // it got selected.
- function prepareSelectAllHack() {
- if (display.input.selectionStart != null) {
- var selected = cm.somethingSelected();
- var extval = display.input.value = "\u200b" + (selected ? display.input.value : "");
- display.prevInput = selected ? "" : "\u200b";
- display.input.selectionStart = 1; display.input.selectionEnd = extval.length;
- // Re-set this, in case some other handler touched the
- // selection in the meantime.
- display.selForContextMenu = cm.doc.sel;
- }
- }
- function rehide() {
- display.inputDiv.style.position = "relative";
- display.input.style.cssText = oldCSS;
- if (ie && ie_version < 9) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos;
- slowPoll(cm);
-
- // Try to detect the user choosing select-all
- if (display.input.selectionStart != null) {
- if (!ie || (ie && ie_version < 9)) prepareSelectAllHack();
- var i = 0, poll = function() {
- if (display.selForContextMenu == cm.doc.sel && display.input.selectionStart == 0)
- operation(cm, commands.selectAll)(cm);
- else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500);
- else resetInput(cm);
- };
- display.detectingSelectAll = setTimeout(poll, 200);
- }
- }
-
- if (ie && ie_version >= 9) prepareSelectAllHack();
- if (captureRightClick) {
- e_stop(e);
- var mouseup = function() {
- off(window, "mouseup", mouseup);
- setTimeout(rehide, 20);
- };
- on(window, "mouseup", mouseup);
- } else {
- setTimeout(rehide, 50);
- }
- }
-
- function contextMenuInGutter(cm, e) {
- if (!hasHandler(cm, "gutterContextMenu")) return false;
- return gutterEvent(cm, e, "gutterContextMenu", false, signal);
- }
-
- // UPDATING
-
- // Compute the position of the end of a change (its 'to' property
- // refers to the pre-change end).
- var changeEnd = CodeMirror.changeEnd = function(change) {
- if (!change.text) return change.to;
- return Pos(change.from.line + change.text.length - 1,
- lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
- };
-
- // Adjust a position to refer to the post-change position of the
- // same text, or the end of the change if the change covers it.
- function adjustForChange(pos, change) {
- if (cmp(pos, change.from) < 0) return pos;
- if (cmp(pos, change.to) <= 0) return changeEnd(change);
-
- var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
- if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch;
- return Pos(line, ch);
- }
-
- function computeSelAfterChange(doc, change) {
- var out = [];
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- var range = doc.sel.ranges[i];
- out.push(new Range(adjustForChange(range.anchor, change),
- adjustForChange(range.head, change)));
- }
- return normalizeSelection(out, doc.sel.primIndex);
- }
-
- function offsetPos(pos, old, nw) {
- if (pos.line == old.line)
- return Pos(nw.line, pos.ch - old.ch + nw.ch);
- else
- return Pos(nw.line + (pos.line - old.line), pos.ch);
- }
-
- // Used by replaceSelections to allow moving the selection to the
- // start or around the replaced test. Hint may be "start" or "around".
- function computeReplacedSel(doc, changes, hint) {
- var out = [];
- var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
- for (var i = 0; i < changes.length; i++) {
- var change = changes[i];
- var from = offsetPos(change.from, oldPrev, newPrev);
- var to = offsetPos(changeEnd(change), oldPrev, newPrev);
- oldPrev = change.to;
- newPrev = to;
- if (hint == "around") {
- var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
- out[i] = new Range(inv ? to : from, inv ? from : to);
- } else {
- out[i] = new Range(from, from);
- }
- }
- return new Selection(out, doc.sel.primIndex);
- }
-
- // Allow "beforeChange" event handlers to influence a change
- function filterChange(doc, change, update) {
- var obj = {
- canceled: false,
- from: change.from,
- to: change.to,
- text: change.text,
- origin: change.origin,
- cancel: function() { this.canceled = true; }
- };
- if (update) obj.update = function(from, to, text, origin) {
- if (from) this.from = clipPos(doc, from);
- if (to) this.to = clipPos(doc, to);
- if (text) this.text = text;
- if (origin !== undefined) this.origin = origin;
- };
- signal(doc, "beforeChange", doc, obj);
- if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj);
-
- if (obj.canceled) return null;
- return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
- }
-
- // Apply a change to a document, and add it to the document's
- // history, and propagating it to all linked documents.
- function makeChange(doc, change, ignoreReadOnly) {
- if (doc.cm) {
- if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly);
- if (doc.cm.state.suppressEdits) return;
- }
-
- if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
- change = filterChange(doc, change, true);
- if (!change) return;
- }
-
- // Possibly split or suppress the update based on the presence
- // of read-only spans in its range.
- var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
- if (split) {
- for (var i = split.length - 1; i >= 0; --i)
- makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text});
- } else {
- makeChangeInner(doc, change);
- }
- }
-
- function makeChangeInner(doc, change) {
- if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return;
- var selAfter = computeSelAfterChange(doc, change);
- addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
-
- makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
- var rebased = [];
-
- linkedDocs(doc, function(doc, sharedHist) {
- if (!sharedHist && indexOf(rebased, doc.history) == -1) {
- rebaseHist(doc.history, change);
- rebased.push(doc.history);
- }
- makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
- });
- }
-
- // Revert a change stored in a document's history.
- function makeChangeFromHistory(doc, type, allowSelectionOnly) {
- if (doc.cm && doc.cm.state.suppressEdits) return;
-
- var hist = doc.history, event, selAfter = doc.sel;
- var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
-
- // Verify that there is a useable event (so that ctrl-z won't
- // needlessly clear selection events)
- for (var i = 0; i < source.length; i++) {
- event = source[i];
- if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
- break;
- }
- if (i == source.length) return;
- hist.lastOrigin = hist.lastSelOrigin = null;
-
- for (;;) {
- event = source.pop();
- if (event.ranges) {
- pushSelectionToHistory(event, dest);
- if (allowSelectionOnly && !event.equals(doc.sel)) {
- setSelection(doc, event, {clearRedo: false});
- return;
- }
- selAfter = event;
- }
- else break;
- }
-
- // Build up a reverse change object to add to the opposite history
- // stack (redo when undoing, and vice versa).
- var antiChanges = [];
- pushSelectionToHistory(selAfter, dest);
- dest.push({changes: antiChanges, generation: hist.generation});
- hist.generation = event.generation || ++hist.maxGeneration;
-
- var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
-
- for (var i = event.changes.length - 1; i >= 0; --i) {
- var change = event.changes[i];
- change.origin = type;
- if (filter && !filterChange(doc, change, false)) {
- source.length = 0;
- return;
- }
-
- antiChanges.push(historyChangeFromChange(doc, change));
-
- var after = i ? computeSelAfterChange(doc, change) : lst(source);
- makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
- if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)});
- var rebased = [];
-
- // Propagate to the linked documents
- linkedDocs(doc, function(doc, sharedHist) {
- if (!sharedHist && indexOf(rebased, doc.history) == -1) {
- rebaseHist(doc.history, change);
- rebased.push(doc.history);
- }
- makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
- });
- }
- }
-
- // Sub-views need their line numbers shifted when text is added
- // above or below them in the parent document.
- function shiftDoc(doc, distance) {
- if (distance == 0) return;
- doc.first += distance;
- doc.sel = new Selection(map(doc.sel.ranges, function(range) {
- return new Range(Pos(range.anchor.line + distance, range.anchor.ch),
- Pos(range.head.line + distance, range.head.ch));
- }), doc.sel.primIndex);
- if (doc.cm) {
- regChange(doc.cm, doc.first, doc.first - distance, distance);
- for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
- regLineChange(doc.cm, l, "gutter");
- }
- }
-
- // More lower-level change function, handling only a single document
- // (not linked ones).
- function makeChangeSingleDoc(doc, change, selAfter, spans) {
- if (doc.cm && !doc.cm.curOp)
- return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
-
- if (change.to.line < doc.first) {
- shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
- return;
- }
- if (change.from.line > doc.lastLine()) return;
-
- // Clip the change to the size of this doc
- if (change.from.line < doc.first) {
- var shift = change.text.length - 1 - (doc.first - change.from.line);
- shiftDoc(doc, shift);
- change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
- text: [lst(change.text)], origin: change.origin};
- }
- var last = doc.lastLine();
- if (change.to.line > last) {
- change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
- text: [change.text[0]], origin: change.origin};
- }
-
- change.removed = getBetween(doc, change.from, change.to);
-
- if (!selAfter) selAfter = computeSelAfterChange(doc, change);
- if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans);
- else updateDoc(doc, change, spans);
- setSelectionNoUndo(doc, selAfter, sel_dontScroll);
- }
-
- // Handle the interaction of a change to a document with the editor
- // that this document is part of.
- function makeChangeSingleDocInEditor(cm, change, spans) {
- var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
-
- var recomputeMaxLength = false, checkWidthStart = from.line;
- if (!cm.options.lineWrapping) {
- checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
- doc.iter(checkWidthStart, to.line + 1, function(line) {
- if (line == display.maxLine) {
- recomputeMaxLength = true;
- return true;
- }
- });
- }
-
- if (doc.sel.contains(change.from, change.to) > -1)
- signalCursorActivity(cm);
-
- updateDoc(doc, change, spans, estimateHeight(cm));
-
- if (!cm.options.lineWrapping) {
- doc.iter(checkWidthStart, from.line + change.text.length, function(line) {
- var len = lineLength(line);
- if (len > display.maxLineLength) {
- display.maxLine = line;
- display.maxLineLength = len;
- display.maxLineChanged = true;
- recomputeMaxLength = false;
- }
- });
- if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
- }
-
- // Adjust frontier, schedule worker
- doc.frontier = Math.min(doc.frontier, from.line);
- startWorker(cm, 400);
-
- var lendiff = change.text.length - (to.line - from.line) - 1;
- // Remember that these lines changed, for updating the display
- if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
- regLineChange(cm, from.line, "text");
- else
- regChange(cm, from.line, to.line + 1, lendiff);
-
- var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
- if (changeHandler || changesHandler) {
- var obj = {
- from: from, to: to,
- text: change.text,
- removed: change.removed,
- origin: change.origin
- };
- if (changeHandler) signalLater(cm, "change", cm, obj);
- if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj);
- }
- cm.display.selForContextMenu = null;
- }
-
- function replaceRange(doc, code, from, to, origin) {
- if (!to) to = from;
- if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; }
- if (typeof code == "string") code = splitLines(code);
- makeChange(doc, {from: from, to: to, text: code, origin: origin});
- }
-
- // SCROLLING THINGS INTO VIEW
-
- // If an editor sits on the top or bottom of the window, partially
- // scrolled out of view, this ensures that the cursor is visible.
- function maybeScrollWindow(cm, coords) {
- if (signalDOMEvent(cm, "scrollCursorIntoView")) return;
-
- var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
- if (coords.top + box.top < 0) doScroll = true;
- else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
- if (doScroll != null && !phantom) {
- var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " +
- (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " +
- (coords.bottom - coords.top + scrollerCutOff) + "px; left: " +
- coords.left + "px; width: 2px;");
- cm.display.lineSpace.appendChild(scrollNode);
- scrollNode.scrollIntoView(doScroll);
- cm.display.lineSpace.removeChild(scrollNode);
- }
- }
-
- // Scroll a given position into view (immediately), verifying that
- // it actually became visible (as line heights are accurately
- // measured, the position of something may 'drift' during drawing).
- function scrollPosIntoView(cm, pos, end, margin) {
- if (margin == null) margin = 0;
- for (var limit = 0; limit < 5; limit++) {
- var changed = false, coords = cursorCoords(cm, pos);
- var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
- var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left),
- Math.min(coords.top, endCoords.top) - margin,
- Math.max(coords.left, endCoords.left),
- Math.max(coords.bottom, endCoords.bottom) + margin);
- var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
- if (scrollPos.scrollTop != null) {
- setScrollTop(cm, scrollPos.scrollTop);
- if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true;
- }
- if (scrollPos.scrollLeft != null) {
- setScrollLeft(cm, scrollPos.scrollLeft);
- if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true;
- }
- if (!changed) return coords;
- }
- }
-
- // Scroll a given set of coordinates into view (immediately).
- function scrollIntoView(cm, x1, y1, x2, y2) {
- var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
- if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
- if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
- }
-
- // Calculate a new scroll position needed to scroll the given
- // rectangle into view. Returns an object with scrollTop and
- // scrollLeft properties. When these are undefined, the
- // vertical/horizontal position does not need to be adjusted.
- function calculateScrollPos(cm, x1, y1, x2, y2) {
- var display = cm.display, snapMargin = textHeight(cm.display);
- if (y1 < 0) y1 = 0;
- var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
- var screen = display.scroller.clientHeight - scrollerCutOff, result = {};
- if (y2 - y1 > screen) y2 = y1 + screen;
- var docBottom = cm.doc.height + paddingVert(display);
- var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin;
- if (y1 < screentop) {
- result.scrollTop = atTop ? 0 : y1;
- } else if (y2 > screentop + screen) {
- var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen);
- if (newTop != screentop) result.scrollTop = newTop;
- }
-
- var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
- var screenw = display.scroller.clientWidth - scrollerCutOff - display.gutters.offsetWidth;
- var tooWide = x2 - x1 > screenw;
- if (tooWide) x2 = x1 + screenw;
- if (x1 < 10)
- result.scrollLeft = 0;
- else if (x1 < screenleft)
- result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10));
- else if (x2 > screenw + screenleft - 3)
- result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw;
-
- return result;
- }
-
- // Store a relative adjustment to the scroll position in the current
- // operation (to be applied when the operation finishes).
- function addToScrollPos(cm, left, top) {
- if (left != null || top != null) resolveScrollToPos(cm);
- if (left != null)
- cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left;
- if (top != null)
- cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
- }
-
- // Make sure that at the end of the operation the current cursor is
- // shown.
- function ensureCursorVisible(cm) {
- resolveScrollToPos(cm);
- var cur = cm.getCursor(), from = cur, to = cur;
- if (!cm.options.lineWrapping) {
- from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur;
- to = Pos(cur.line, cur.ch + 1);
- }
- cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true};
- }
-
- // When an operation has its scrollToPos property set, and another
- // scroll action is applied before the end of the operation, this
- // 'simulates' scrolling that position into view in a cheap way, so
- // that the effect of intermediate scroll commands is not ignored.
- function resolveScrollToPos(cm) {
- var range = cm.curOp.scrollToPos;
- if (range) {
- cm.curOp.scrollToPos = null;
- var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
- var sPos = calculateScrollPos(cm, Math.min(from.left, to.left),
- Math.min(from.top, to.top) - range.margin,
- Math.max(from.right, to.right),
- Math.max(from.bottom, to.bottom) + range.margin);
- cm.scrollTo(sPos.scrollLeft, sPos.scrollTop);
- }
- }
-
- // API UTILITIES
-
- // Indent the given line. The how parameter can be "smart",
- // "add"/null, "subtract", or "prev". When aggressive is false
- // (typically set to true for forced single-line indents), empty
- // lines are not indented, and places where the mode returns Pass
- // are left alone.
- function indentLine(cm, n, how, aggressive) {
- var doc = cm.doc, state;
- if (how == null) how = "add";
- if (how == "smart") {
- // Fall back to "prev" when the mode doesn't have an indentation
- // method.
- if (!doc.mode.indent) how = "prev";
- else state = getStateBefore(cm, n);
- }
-
- var tabSize = cm.options.tabSize;
- var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
- if (line.stateAfter) line.stateAfter = null;
- var curSpaceString = line.text.match(/^\s*/)[0], indentation;
- if (!aggressive && !/\S/.test(line.text)) {
- indentation = 0;
- how = "not";
- } else if (how == "smart") {
- indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
- if (indentation == Pass || indentation > 150) {
- if (!aggressive) return;
- how = "prev";
- }
- }
- if (how == "prev") {
- if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
- else indentation = 0;
- } else if (how == "add") {
- indentation = curSpace + cm.options.indentUnit;
- } else if (how == "subtract") {
- indentation = curSpace - cm.options.indentUnit;
- } else if (typeof how == "number") {
- indentation = curSpace + how;
- }
- indentation = Math.max(0, indentation);
-
- var indentString = "", pos = 0;
- if (cm.options.indentWithTabs)
- for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
- if (pos < indentation) indentString += spaceStr(indentation - pos);
-
- if (indentString != curSpaceString) {
- replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
- } else {
- // Ensure that, if the cursor was in the whitespace at the start
- // of the line, it is moved to the end of that space.
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- var range = doc.sel.ranges[i];
- if (range.head.line == n && range.head.ch < curSpaceString.length) {
- var pos = Pos(n, curSpaceString.length);
- replaceOneSelection(doc, i, new Range(pos, pos));
- break;
- }
- }
- }
- line.stateAfter = null;
- }
-
- // Utility for applying a change to a line by handle or number,
- // returning the number and optionally registering the line as
- // changed.
- function changeLine(doc, handle, changeType, op) {
- var no = handle, line = handle;
- if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
- else no = lineNo(handle);
- if (no == null) return null;
- if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType);
- return line;
- }
-
- // Helper for deleting text near the selection(s), used to implement
- // backspace, delete, and similar functionality.
- function deleteNearSelection(cm, compute) {
- var ranges = cm.doc.sel.ranges, kill = [];
- // Build up a set of ranges to kill first, merging overlapping
- // ranges.
- for (var i = 0; i < ranges.length; i++) {
- var toKill = compute(ranges[i]);
- while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
- var replaced = kill.pop();
- if (cmp(replaced.from, toKill.from) < 0) {
- toKill.from = replaced.from;
- break;
- }
- }
- kill.push(toKill);
- }
- // Next, remove those actual ranges.
- runInOp(cm, function() {
- for (var i = kill.length - 1; i >= 0; i--)
- replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete");
- ensureCursorVisible(cm);
- });
- }
-
- // Used for horizontal relative motion. Dir is -1 or 1 (left or
- // right), unit can be "char", "column" (like char, but doesn't
- // cross line boundaries), "word" (across next word), or "group" (to
- // the start of next group of word or non-word-non-whitespace
- // chars). The visually param controls whether, in right-to-left
- // text, direction 1 means to move towards the next index in the
- // string, or towards the character to the right of the current
- // position. The resulting position will have a hitSide=true
- // property if it reached the end of the document.
- function findPosH(doc, pos, dir, unit, visually) {
- var line = pos.line, ch = pos.ch, origDir = dir;
- var lineObj = getLine(doc, line);
- var possible = true;
- function findNextLine() {
- var l = line + dir;
- if (l < doc.first || l >= doc.first + doc.size) return (possible = false);
- line = l;
- return lineObj = getLine(doc, l);
- }
- function moveOnce(boundToLine) {
- var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
- if (next == null) {
- if (!boundToLine && findNextLine()) {
- if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
- else ch = dir < 0 ? lineObj.text.length : 0;
- } else return (possible = false);
- } else ch = next;
- return true;
- }
-
- if (unit == "char") moveOnce();
- else if (unit == "column") moveOnce(true);
- else if (unit == "word" || unit == "group") {
- var sawType = null, group = unit == "group";
- var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
- for (var first = true;; first = false) {
- if (dir < 0 && !moveOnce(!first)) break;
- var cur = lineObj.text.charAt(ch) || "\n";
- var type = isWordChar(cur, helper) ? "w"
- : group && cur == "\n" ? "n"
- : !group || /\s/.test(cur) ? null
- : "p";
- if (group && !first && !type) type = "s";
- if (sawType && sawType != type) {
- if (dir < 0) {dir = 1; moveOnce();}
- break;
- }
-
- if (type) sawType = type;
- if (dir > 0 && !moveOnce(!first)) break;
- }
- }
- var result = skipAtomic(doc, Pos(line, ch), origDir, true);
- if (!possible) result.hitSide = true;
- return result;
- }
-
- // For relative vertical movement. Dir may be -1 or 1. Unit can be
- // "page" or "line". The resulting position will have a hitSide=true
- // property if it reached the end of the document.
- function findPosV(cm, pos, dir, unit) {
- var doc = cm.doc, x = pos.left, y;
- if (unit == "page") {
- var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
- y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display));
- } else if (unit == "line") {
- y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
- }
- for (;;) {
- var target = coordsChar(cm, x, y);
- if (!target.outside) break;
- if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; }
- y += dir * 5;
- }
- return target;
- }
-
- // EDITOR METHODS
-
- // The publicly visible API. Note that methodOp(f) means
- // 'wrap f in an operation, performed on its `this` parameter'.
-
- // This is not the complete set of editor methods. Most of the
- // methods defined on the Doc type are also injected into
- // CodeMirror.prototype, for backwards compatibility and
- // convenience.
-
- CodeMirror.prototype = {
- constructor: CodeMirror,
- focus: function(){window.focus(); focusInput(this); fastPoll(this);},
-
- setOption: function(option, value) {
- var options = this.options, old = options[option];
- if (options[option] == value && option != "mode") return;
- options[option] = value;
- if (optionHandlers.hasOwnProperty(option))
- operation(this, optionHandlers[option])(this, value, old);
- },
-
- getOption: function(option) {return this.options[option];},
- getDoc: function() {return this.doc;},
-
- addKeyMap: function(map, bottom) {
- this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map));
- },
- removeKeyMap: function(map) {
- var maps = this.state.keyMaps;
- for (var i = 0; i < maps.length; ++i)
- if (maps[i] == map || maps[i].name == map) {
- maps.splice(i, 1);
- return true;
- }
- },
-
- addOverlay: methodOp(function(spec, options) {
- var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
- if (mode.startState) throw new Error("Overlays may not be stateful.");
- this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque});
- this.state.modeGen++;
- regChange(this);
- }),
- removeOverlay: methodOp(function(spec) {
- var overlays = this.state.overlays;
- for (var i = 0; i < overlays.length; ++i) {
- var cur = overlays[i].modeSpec;
- if (cur == spec || typeof spec == "string" && cur.name == spec) {
- overlays.splice(i, 1);
- this.state.modeGen++;
- regChange(this);
- return;
- }
- }
- }),
-
- indentLine: methodOp(function(n, dir, aggressive) {
- if (typeof dir != "string" && typeof dir != "number") {
- if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
- else dir = dir ? "add" : "subtract";
- }
- if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive);
- }),
- indentSelection: methodOp(function(how) {
- var ranges = this.doc.sel.ranges, end = -1;
- for (var i = 0; i < ranges.length; i++) {
- var range = ranges[i];
- if (!range.empty()) {
- var from = range.from(), to = range.to();
- var start = Math.max(end, from.line);
- end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
- for (var j = start; j < end; ++j)
- indentLine(this, j, how);
- var newRanges = this.doc.sel.ranges;
- if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
- replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll);
- } else if (range.head.line > end) {
- indentLine(this, range.head.line, how, true);
- end = range.head.line;
- if (i == this.doc.sel.primIndex) ensureCursorVisible(this);
- }
- }
- }),
-
- // Fetch the parser token for a given character. Useful for hacks
- // that want to inspect the mode state (say, for completion).
- getTokenAt: function(pos, precise) {
- return takeToken(this, pos, precise);
- },
-
- getLineTokens: function(line, precise) {
- return takeToken(this, Pos(line), precise, true);
- },
-
- getTokenTypeAt: function(pos) {
- pos = clipPos(this.doc, pos);
- var styles = getLineStyles(this, getLine(this.doc, pos.line));
- var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
- var type;
- if (ch == 0) type = styles[2];
- else for (;;) {
- var mid = (before + after) >> 1;
- if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid;
- else if (styles[mid * 2 + 1] < ch) before = mid + 1;
- else { type = styles[mid * 2 + 2]; break; }
- }
- var cut = type ? type.indexOf("cm-overlay ") : -1;
- return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1);
- },
-
- getModeAt: function(pos) {
- var mode = this.doc.mode;
- if (!mode.innerMode) return mode;
- return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode;
- },
-
- getHelper: function(pos, type) {
- return this.getHelpers(pos, type)[0];
- },
-
- getHelpers: function(pos, type) {
- var found = [];
- if (!helpers.hasOwnProperty(type)) return helpers;
- var help = helpers[type], mode = this.getModeAt(pos);
- if (typeof mode[type] == "string") {
- if (help[mode[type]]) found.push(help[mode[type]]);
- } else if (mode[type]) {
- for (var i = 0; i < mode[type].length; i++) {
- var val = help[mode[type][i]];
- if (val) found.push(val);
- }
- } else if (mode.helperType && help[mode.helperType]) {
- found.push(help[mode.helperType]);
- } else if (help[mode.name]) {
- found.push(help[mode.name]);
- }
- for (var i = 0; i < help._global.length; i++) {
- var cur = help._global[i];
- if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
- found.push(cur.val);
- }
- return found;
- },
-
- getStateAfter: function(line, precise) {
- var doc = this.doc;
- line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
- return getStateBefore(this, line + 1, precise);
- },
-
- cursorCoords: function(start, mode) {
- var pos, range = this.doc.sel.primary();
- if (start == null) pos = range.head;
- else if (typeof start == "object") pos = clipPos(this.doc, start);
- else pos = start ? range.from() : range.to();
- return cursorCoords(this, pos, mode || "page");
- },
-
- charCoords: function(pos, mode) {
- return charCoords(this, clipPos(this.doc, pos), mode || "page");
- },
-
- coordsChar: function(coords, mode) {
- coords = fromCoordSystem(this, coords, mode || "page");
- return coordsChar(this, coords.left, coords.top);
- },
-
- lineAtHeight: function(height, mode) {
- height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
- return lineAtHeight(this.doc, height + this.display.viewOffset);
- },
- heightAtLine: function(line, mode) {
- var end = false, last = this.doc.first + this.doc.size - 1;
- if (line < this.doc.first) line = this.doc.first;
- else if (line > last) { line = last; end = true; }
- var lineObj = getLine(this.doc, line);
- return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top +
- (end ? this.doc.height - heightAtLine(lineObj) : 0);
- },
-
- defaultTextHeight: function() { return textHeight(this.display); },
- defaultCharWidth: function() { return charWidth(this.display); },
-
- setGutterMarker: methodOp(function(line, gutterID, value) {
- return changeLine(this.doc, line, "gutter", function(line) {
- var markers = line.gutterMarkers || (line.gutterMarkers = {});
- markers[gutterID] = value;
- if (!value && isEmpty(markers)) line.gutterMarkers = null;
- return true;
- });
- }),
-
- clearGutter: methodOp(function(gutterID) {
- var cm = this, doc = cm.doc, i = doc.first;
- doc.iter(function(line) {
- if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
- line.gutterMarkers[gutterID] = null;
- regLineChange(cm, i, "gutter");
- if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
- }
- ++i;
- });
- }),
-
- addLineWidget: methodOp(function(handle, node, options) {
- return addLineWidget(this, handle, node, options);
- }),
-
- removeLineWidget: function(widget) { widget.clear(); },
-
- lineInfo: function(line) {
- if (typeof line == "number") {
- if (!isLine(this.doc, line)) return null;
- var n = line;
- line = getLine(this.doc, line);
- if (!line) return null;
- } else {
- var n = lineNo(line);
- if (n == null) return null;
- }
- return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
- textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
- widgets: line.widgets};
- },
-
- getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};},
-
- addWidget: function(pos, node, scroll, vert, horiz) {
- var display = this.display;
- pos = cursorCoords(this, clipPos(this.doc, pos));
- var top = pos.bottom, left = pos.left;
- node.style.position = "absolute";
- display.sizer.appendChild(node);
- if (vert == "over") {
- top = pos.top;
- } else if (vert == "above" || vert == "near") {
- var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
- hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
- // Default to positioning above (if specified and possible); otherwise default to positioning below
- if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
- top = pos.top - node.offsetHeight;
- else if (pos.bottom + node.offsetHeight <= vspace)
- top = pos.bottom;
- if (left + node.offsetWidth > hspace)
- left = hspace - node.offsetWidth;
- }
- node.style.top = top + "px";
- node.style.left = node.style.right = "";
- if (horiz == "right") {
- left = display.sizer.clientWidth - node.offsetWidth;
- node.style.right = "0px";
- } else {
- if (horiz == "left") left = 0;
- else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
- node.style.left = left + "px";
- }
- if (scroll)
- scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
- },
-
- triggerOnKeyDown: methodOp(onKeyDown),
- triggerOnKeyPress: methodOp(onKeyPress),
- triggerOnKeyUp: onKeyUp,
-
- execCommand: function(cmd) {
- if (commands.hasOwnProperty(cmd))
- return commands[cmd](this);
- },
-
- findPosH: function(from, amount, unit, visually) {
- var dir = 1;
- if (amount < 0) { dir = -1; amount = -amount; }
- for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
- cur = findPosH(this.doc, cur, dir, unit, visually);
- if (cur.hitSide) break;
- }
- return cur;
- },
-
- moveH: methodOp(function(dir, unit) {
- var cm = this;
- cm.extendSelectionsBy(function(range) {
- if (cm.display.shift || cm.doc.extend || range.empty())
- return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually);
- else
- return dir < 0 ? range.from() : range.to();
- }, sel_move);
- }),
-
- deleteH: methodOp(function(dir, unit) {
- var sel = this.doc.sel, doc = this.doc;
- if (sel.somethingSelected())
- doc.replaceSelection("", null, "+delete");
- else
- deleteNearSelection(this, function(range) {
- var other = findPosH(doc, range.head, dir, unit, false);
- return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other};
- });
- }),
-
- findPosV: function(from, amount, unit, goalColumn) {
- var dir = 1, x = goalColumn;
- if (amount < 0) { dir = -1; amount = -amount; }
- for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
- var coords = cursorCoords(this, cur, "div");
- if (x == null) x = coords.left;
- else coords.left = x;
- cur = findPosV(this, coords, dir, unit);
- if (cur.hitSide) break;
- }
- return cur;
- },
-
- moveV: methodOp(function(dir, unit) {
- var cm = this, doc = this.doc, goals = [];
- var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected();
- doc.extendSelectionsBy(function(range) {
- if (collapse)
- return dir < 0 ? range.from() : range.to();
- var headPos = cursorCoords(cm, range.head, "div");
- if (range.goalColumn != null) headPos.left = range.goalColumn;
- goals.push(headPos.left);
- var pos = findPosV(cm, headPos, dir, unit);
- if (unit == "page" && range == doc.sel.primary())
- addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top);
- return pos;
- }, sel_move);
- if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++)
- doc.sel.ranges[i].goalColumn = goals[i];
- }),
-
- // Find the word at the given position (as returned by coordsChar).
- findWordAt: function(pos) {
- var doc = this.doc, line = getLine(doc, pos.line).text;
- var start = pos.ch, end = pos.ch;
- if (line) {
- var helper = this.getHelper(pos, "wordChars");
- if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end;
- var startChar = line.charAt(start);
- var check = isWordChar(startChar, helper)
- ? function(ch) { return isWordChar(ch, helper); }
- : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
- : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
- while (start > 0 && check(line.charAt(start - 1))) --start;
- while (end < line.length && check(line.charAt(end))) ++end;
- }
- return new Range(Pos(pos.line, start), Pos(pos.line, end));
- },
-
- toggleOverwrite: function(value) {
- if (value != null && value == this.state.overwrite) return;
- if (this.state.overwrite = !this.state.overwrite)
- addClass(this.display.cursorDiv, "CodeMirror-overwrite");
- else
- rmClass(this.display.cursorDiv, "CodeMirror-overwrite");
-
- signal(this, "overwriteToggle", this, this.state.overwrite);
- },
- hasFocus: function() { return activeElt() == this.display.input; },
-
- scrollTo: methodOp(function(x, y) {
- if (x != null || y != null) resolveScrollToPos(this);
- if (x != null) this.curOp.scrollLeft = x;
- if (y != null) this.curOp.scrollTop = y;
- }),
- getScrollInfo: function() {
- var scroller = this.display.scroller, co = scrollerCutOff;
- return {left: scroller.scrollLeft, top: scroller.scrollTop,
- height: scroller.scrollHeight - co, width: scroller.scrollWidth - co,
- clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co};
- },
-
- scrollIntoView: methodOp(function(range, margin) {
- if (range == null) {
- range = {from: this.doc.sel.primary().head, to: null};
- if (margin == null) margin = this.options.cursorScrollMargin;
- } else if (typeof range == "number") {
- range = {from: Pos(range, 0), to: null};
- } else if (range.from == null) {
- range = {from: range, to: null};
- }
- if (!range.to) range.to = range.from;
- range.margin = margin || 0;
-
- if (range.from.line != null) {
- resolveScrollToPos(this);
- this.curOp.scrollToPos = range;
- } else {
- var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left),
- Math.min(range.from.top, range.to.top) - range.margin,
- Math.max(range.from.right, range.to.right),
- Math.max(range.from.bottom, range.to.bottom) + range.margin);
- this.scrollTo(sPos.scrollLeft, sPos.scrollTop);
- }
- }),
-
- setSize: methodOp(function(width, height) {
- var cm = this;
- function interpret(val) {
- return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
- }
- if (width != null) cm.display.wrapper.style.width = interpret(width);
- if (height != null) cm.display.wrapper.style.height = interpret(height);
- if (cm.options.lineWrapping) clearLineMeasurementCache(this);
- var lineNo = cm.display.viewFrom;
- cm.doc.iter(lineNo, cm.display.viewTo, function(line) {
- if (line.widgets) for (var i = 0; i < line.widgets.length; i++)
- if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; }
- ++lineNo;
- });
- cm.curOp.forceUpdate = true;
- signal(cm, "refresh", this);
- }),
-
- operation: function(f){return runInOp(this, f);},
-
- refresh: methodOp(function() {
- var oldHeight = this.display.cachedTextHeight;
- regChange(this);
- this.curOp.forceUpdate = true;
- clearCaches(this);
- this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop);
- updateGutterSpace(this);
- if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
- estimateLineHeights(this);
- signal(this, "refresh", this);
- }),
-
- swapDoc: methodOp(function(doc) {
- var old = this.doc;
- old.cm = null;
- attachDoc(this, doc);
- clearCaches(this);
- resetInput(this);
- this.scrollTo(doc.scrollLeft, doc.scrollTop);
- this.curOp.forceScroll = true;
- signalLater(this, "swapDoc", this, old);
- return old;
- }),
-
- getInputField: function(){return this.display.input;},
- getWrapperElement: function(){return this.display.wrapper;},
- getScrollerElement: function(){return this.display.scroller;},
- getGutterElement: function(){return this.display.gutters;}
- };
- eventMixin(CodeMirror);
-
- // OPTION DEFAULTS
-
- // The default configuration options.
- var defaults = CodeMirror.defaults = {};
- // Functions to run when options are changed.
- var optionHandlers = CodeMirror.optionHandlers = {};
-
- function option(name, deflt, handle, notOnInit) {
- CodeMirror.defaults[name] = deflt;
- if (handle) optionHandlers[name] =
- notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
- }
-
- // Passed to option handlers when there is no old value.
- var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
-
- // These two are, on init, called from the constructor because they
- // have to be initialized before the editor can start at all.
- option("value", "", function(cm, val) {
- cm.setValue(val);
- }, true);
- option("mode", null, function(cm, val) {
- cm.doc.modeOption = val;
- loadMode(cm);
- }, true);
-
- option("indentUnit", 2, loadMode, true);
- option("indentWithTabs", false);
- option("smartIndent", true);
- option("tabSize", 4, function(cm) {
- resetModeState(cm);
- clearCaches(cm);
- regChange(cm);
- }, true);
- option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val) {
- cm.options.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
- cm.refresh();
- }, true);
- option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true);
- option("electricChars", true);
- option("rtlMoveVisually", !windows);
- option("wholeLineUpdateBefore", true);
-
- option("theme", "default", function(cm) {
- themeChanged(cm);
- guttersChanged(cm);
- }, true);
- option("keyMap", "default", function(cm, val, old) {
- var next = getKeyMap(val);
- var prev = old != CodeMirror.Init && getKeyMap(old);
- if (prev && prev.detach) prev.detach(cm, next);
- if (next.attach) next.attach(cm, prev || null);
- });
- option("extraKeys", null);
-
- option("lineWrapping", false, wrappingChanged, true);
- option("gutters", [], function(cm) {
- setGuttersForLineNumbers(cm.options);
- guttersChanged(cm);
- }, true);
- option("fixedGutter", true, function(cm, val) {
- cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
- cm.refresh();
- }, true);
- option("coverGutterNextToScrollbar", false, updateScrollbars, true);
- option("lineNumbers", false, function(cm) {
- setGuttersForLineNumbers(cm.options);
- guttersChanged(cm);
- }, true);
- option("firstLineNumber", 1, guttersChanged, true);
- option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
- option("showCursorWhenSelecting", false, updateSelection, true);
-
- option("resetSelectionOnContextMenu", true);
-
- option("readOnly", false, function(cm, val) {
- if (val == "nocursor") {
- onBlur(cm);
- cm.display.input.blur();
- cm.display.disabled = true;
- } else {
- cm.display.disabled = false;
- if (!val) resetInput(cm);
- }
- });
- option("disableInput", false, function(cm, val) {if (!val) resetInput(cm);}, true);
- option("dragDrop", true);
-
- option("cursorBlinkRate", 530);
- option("cursorScrollMargin", 0);
- option("cursorHeight", 1, updateSelection, true);
- option("singleCursorHeightPerLine", true, updateSelection, true);
- option("workTime", 100);
- option("workDelay", 100);
- option("flattenSpans", true, resetModeState, true);
- option("addModeClass", false, resetModeState, true);
- option("pollInterval", 100);
- option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;});
- option("historyEventDelay", 1250);
- option("viewportMargin", 10, function(cm){cm.refresh();}, true);
- option("maxHighlightLength", 10000, resetModeState, true);
- option("moveInputWithCursor", true, function(cm, val) {
- if (!val) cm.display.inputDiv.style.top = cm.display.inputDiv.style.left = 0;
- });
-
- option("tabindex", null, function(cm, val) {
- cm.display.input.tabIndex = val || "";
- });
- option("autofocus", null);
-
- // MODE DEFINITION AND QUERYING
-
- // Known modes, by name and by MIME
- var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
-
- // Extra arguments are stored as the mode's dependencies, which is
- // used by (legacy) mechanisms like loadmode.js to automatically
- // load a mode. (Preferred mechanism is the require/define calls.)
- CodeMirror.defineMode = function(name, mode) {
- if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
- if (arguments.length > 2)
- mode.dependencies = Array.prototype.slice.call(arguments, 2);
- modes[name] = mode;
- };
-
- CodeMirror.defineMIME = function(mime, spec) {
- mimeModes[mime] = spec;
- };
-
- // Given a MIME type, a {name, ...options} config object, or a name
- // string, return a mode config object.
- CodeMirror.resolveMode = function(spec) {
- if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
- spec = mimeModes[spec];
- } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
- var found = mimeModes[spec.name];
- if (typeof found == "string") found = {name: found};
- spec = createObj(found, spec);
- spec.name = found.name;
- } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
- return CodeMirror.resolveMode("application/xml");
- }
- if (typeof spec == "string") return {name: spec};
- else return spec || {name: "null"};
- };
-
- // Given a mode spec (anything that resolveMode accepts), find and
- // initialize an actual mode object.
- CodeMirror.getMode = function(options, spec) {
- var spec = CodeMirror.resolveMode(spec);
- var mfactory = modes[spec.name];
- if (!mfactory) return CodeMirror.getMode(options, "text/plain");
- var modeObj = mfactory(options, spec);
- if (modeExtensions.hasOwnProperty(spec.name)) {
- var exts = modeExtensions[spec.name];
- for (var prop in exts) {
- if (!exts.hasOwnProperty(prop)) continue;
- if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
- modeObj[prop] = exts[prop];
- }
- }
- modeObj.name = spec.name;
- if (spec.helperType) modeObj.helperType = spec.helperType;
- if (spec.modeProps) for (var prop in spec.modeProps)
- modeObj[prop] = spec.modeProps[prop];
-
- return modeObj;
- };
-
- // Minimal default mode.
- CodeMirror.defineMode("null", function() {
- return {token: function(stream) {stream.skipToEnd();}};
- });
- CodeMirror.defineMIME("text/plain", "null");
-
- // This can be used to attach properties to mode objects from
- // outside the actual mode definition.
- var modeExtensions = CodeMirror.modeExtensions = {};
- CodeMirror.extendMode = function(mode, properties) {
- var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
- copyObj(properties, exts);
- };
-
- // EXTENSIONS
-
- CodeMirror.defineExtension = function(name, func) {
- CodeMirror.prototype[name] = func;
- };
- CodeMirror.defineDocExtension = function(name, func) {
- Doc.prototype[name] = func;
- };
- CodeMirror.defineOption = option;
-
- var initHooks = [];
- CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
-
- var helpers = CodeMirror.helpers = {};
- CodeMirror.registerHelper = function(type, name, value) {
- if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []};
- helpers[type][name] = value;
- };
- CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
- CodeMirror.registerHelper(type, name, value);
- helpers[type]._global.push({pred: predicate, val: value});
- };
-
- // MODE STATE HANDLING
-
- // Utility functions for working with state. Exported because nested
- // modes need to do this for their inner modes.
-
- var copyState = CodeMirror.copyState = function(mode, state) {
- if (state === true) return state;
- if (mode.copyState) return mode.copyState(state);
- var nstate = {};
- for (var n in state) {
- var val = state[n];
- if (val instanceof Array) val = val.concat([]);
- nstate[n] = val;
- }
- return nstate;
- };
-
- var startState = CodeMirror.startState = function(mode, a1, a2) {
- return mode.startState ? mode.startState(a1, a2) : true;
- };
-
- // Given a mode and a state (for that mode), find the inner mode and
- // state at the position that the state refers to.
- CodeMirror.innerMode = function(mode, state) {
- while (mode.innerMode) {
- var info = mode.innerMode(state);
- if (!info || info.mode == mode) break;
- state = info.state;
- mode = info.mode;
- }
- return info || {mode: mode, state: state};
- };
-
- // STANDARD COMMANDS
-
- // Commands are parameter-less actions that can be performed on an
- // editor, mostly used for keybindings.
- var commands = CodeMirror.commands = {
- selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);},
- singleSelection: function(cm) {
- cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll);
- },
- killLine: function(cm) {
- deleteNearSelection(cm, function(range) {
- if (range.empty()) {
- var len = getLine(cm.doc, range.head.line).text.length;
- if (range.head.ch == len && range.head.line < cm.lastLine())
- return {from: range.head, to: Pos(range.head.line + 1, 0)};
- else
- return {from: range.head, to: Pos(range.head.line, len)};
- } else {
- return {from: range.from(), to: range.to()};
- }
- });
- },
- deleteLine: function(cm) {
- deleteNearSelection(cm, function(range) {
- return {from: Pos(range.from().line, 0),
- to: clipPos(cm.doc, Pos(range.to().line + 1, 0))};
- });
- },
- delLineLeft: function(cm) {
- deleteNearSelection(cm, function(range) {
- return {from: Pos(range.from().line, 0), to: range.from()};
- });
- },
- delWrappedLineLeft: function(cm) {
- deleteNearSelection(cm, function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var leftPos = cm.coordsChar({left: 0, top: top}, "div");
- return {from: leftPos, to: range.from()};
- });
- },
- delWrappedLineRight: function(cm) {
- deleteNearSelection(cm, function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
- return {from: range.from(), to: rightPos };
- });
- },
- undo: function(cm) {cm.undo();},
- redo: function(cm) {cm.redo();},
- undoSelection: function(cm) {cm.undoSelection();},
- redoSelection: function(cm) {cm.redoSelection();},
- goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));},
- goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));},
- goLineStart: function(cm) {
- cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); },
- {origin: "+move", bias: 1});
- },
- goLineStartSmart: function(cm) {
- cm.extendSelectionsBy(function(range) {
- return lineStartSmart(cm, range.head);
- }, {origin: "+move", bias: 1});
- },
- goLineEnd: function(cm) {
- cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); },
- {origin: "+move", bias: -1});
- },
- goLineRight: function(cm) {
- cm.extendSelectionsBy(function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
- }, sel_move);
- },
- goLineLeft: function(cm) {
- cm.extendSelectionsBy(function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- return cm.coordsChar({left: 0, top: top}, "div");
- }, sel_move);
- },
- goLineLeftSmart: function(cm) {
- cm.extendSelectionsBy(function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var pos = cm.coordsChar({left: 0, top: top}, "div");
- if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head);
- return pos;
- }, sel_move);
- },
- goLineUp: function(cm) {cm.moveV(-1, "line");},
- goLineDown: function(cm) {cm.moveV(1, "line");},
- goPageUp: function(cm) {cm.moveV(-1, "page");},
- goPageDown: function(cm) {cm.moveV(1, "page");},
- goCharLeft: function(cm) {cm.moveH(-1, "char");},
- goCharRight: function(cm) {cm.moveH(1, "char");},
- goColumnLeft: function(cm) {cm.moveH(-1, "column");},
- goColumnRight: function(cm) {cm.moveH(1, "column");},
- goWordLeft: function(cm) {cm.moveH(-1, "word");},
- goGroupRight: function(cm) {cm.moveH(1, "group");},
- goGroupLeft: function(cm) {cm.moveH(-1, "group");},
- goWordRight: function(cm) {cm.moveH(1, "word");},
- delCharBefore: function(cm) {cm.deleteH(-1, "char");},
- delCharAfter: function(cm) {cm.deleteH(1, "char");},
- delWordBefore: function(cm) {cm.deleteH(-1, "word");},
- delWordAfter: function(cm) {cm.deleteH(1, "word");},
- delGroupBefore: function(cm) {cm.deleteH(-1, "group");},
- delGroupAfter: function(cm) {cm.deleteH(1, "group");},
- indentAuto: function(cm) {cm.indentSelection("smart");},
- indentMore: function(cm) {cm.indentSelection("add");},
- indentLess: function(cm) {cm.indentSelection("subtract");},
- insertTab: function(cm) {cm.replaceSelection("\t");},
- insertSoftTab: function(cm) {
- var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
- for (var i = 0; i < ranges.length; i++) {
- var pos = ranges[i].from();
- var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
- spaces.push(new Array(tabSize - col % tabSize + 1).join(" "));
- }
- cm.replaceSelections(spaces);
- },
- defaultTab: function(cm) {
- if (cm.somethingSelected()) cm.indentSelection("add");
- else cm.execCommand("insertTab");
- },
- transposeChars: function(cm) {
- runInOp(cm, function() {
- var ranges = cm.listSelections(), newSel = [];
- for (var i = 0; i < ranges.length; i++) {
- var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
- if (line) {
- if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1);
- if (cur.ch > 0) {
- cur = new Pos(cur.line, cur.ch + 1);
- cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
- Pos(cur.line, cur.ch - 2), cur, "+transpose");
- } else if (cur.line > cm.doc.first) {
- var prev = getLine(cm.doc, cur.line - 1).text;
- if (prev)
- cm.replaceRange(line.charAt(0) + "\n" + prev.charAt(prev.length - 1),
- Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose");
- }
- }
- newSel.push(new Range(cur, cur));
- }
- cm.setSelections(newSel);
- });
- },
- newlineAndIndent: function(cm) {
- runInOp(cm, function() {
- var len = cm.listSelections().length;
- for (var i = 0; i < len; i++) {
- var range = cm.listSelections()[i];
- cm.replaceRange("\n", range.anchor, range.head, "+input");
- cm.indentLine(range.from().line + 1, null, true);
- ensureCursorVisible(cm);
- }
- });
- },
- toggleOverwrite: function(cm) {cm.toggleOverwrite();}
- };
-
-
- // STANDARD KEYMAPS
-
- var keyMap = CodeMirror.keyMap = {};
-
- keyMap.basic = {
- "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
- "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
- "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
- "Tab": "defaultTab", "Shift-Tab": "indentAuto",
- "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
- "Esc": "singleSelection"
- };
- // Note that the save and find-related commands aren't defined by
- // default. User code or addons can define them. Unknown commands
- // are simply ignored.
- keyMap.pcDefault = {
- "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
- "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
- "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
- "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
- "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
- "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
- "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
- fallthrough: "basic"
- };
- // Very basic readline/emacs-style bindings, which are standard on Mac.
- keyMap.emacsy = {
- "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
- "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
- "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
- "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
- };
- keyMap.macDefault = {
- "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
- "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
- "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
- "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
- "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
- "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
- "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
- fallthrough: ["basic", "emacsy"]
- };
- keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
-
- // KEYMAP DISPATCH
-
- function normalizeKeyName(name) {
- var parts = name.split(/-(?!$)/), name = parts[parts.length - 1];
- var alt, ctrl, shift, cmd;
- for (var i = 0; i < parts.length - 1; i++) {
- var mod = parts[i];
- if (/^(cmd|meta|m)$/i.test(mod)) cmd = true;
- else if (/^a(lt)?$/i.test(mod)) alt = true;
- else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true;
- else if (/^s(hift)$/i.test(mod)) shift = true;
- else throw new Error("Unrecognized modifier name: " + mod);
- }
- if (alt) name = "Alt-" + name;
- if (ctrl) name = "Ctrl-" + name;
- if (cmd) name = "Cmd-" + name;
- if (shift) name = "Shift-" + name;
- return name;
- }
-
- // This is a kludge to keep keymaps mostly working as raw objects
- // (backwards compatibility) while at the same time support features
- // like normalization and multi-stroke key bindings. It compiles a
- // new normalized keymap, and then updates the old object to reflect
- // this.
- CodeMirror.normalizeKeyMap = function(keymap) {
- var copy = {};
- for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) {
- var value = keymap[keyname];
- if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue;
- if (value == "...") { delete keymap[keyname]; continue; }
-
- var keys = map(keyname.split(" "), normalizeKeyName);
- for (var i = 0; i < keys.length; i++) {
- var val, name;
- if (i == keys.length - 1) {
- name = keyname;
- val = value;
- } else {
- name = keys.slice(0, i + 1).join(" ");
- val = "...";
- }
- var prev = copy[name];
- if (!prev) copy[name] = val;
- else if (prev != val) throw new Error("Inconsistent bindings for " + name);
- }
- delete keymap[keyname];
- }
- for (var prop in copy) keymap[prop] = copy[prop];
- return keymap;
- };
-
- var lookupKey = CodeMirror.lookupKey = function(key, map, handle) {
- map = getKeyMap(map);
- var found = map.call ? map.call(key) : map[key];
- if (found === false) return "nothing";
- if (found === "...") return "multi";
- if (found != null && handle(found)) return "handled";
-
- if (map.fallthrough) {
- if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
- return lookupKey(key, map.fallthrough, handle);
- for (var i = 0; i < map.fallthrough.length; i++) {
- var result = lookupKey(key, map.fallthrough[i], handle);
- if (result) return result;
- }
- }
- };
-
- // Modifier key presses don't count as 'real' key presses for the
- // purpose of keymap fallthrough.
- var isModifierKey = CodeMirror.isModifierKey = function(value) {
- var name = typeof value == "string" ? value : keyNames[value.keyCode];
- return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
- };
-
- // Look up the name of a key as indicated by an event object.
- var keyName = CodeMirror.keyName = function(event, noShift) {
- if (presto && event.keyCode == 34 && event["char"]) return false;
- var base = keyNames[event.keyCode], name = base;
- if (name == null || event.altGraphKey) return false;
- if (event.altKey && base != "Alt") name = "Alt-" + name;
- if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name;
- if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name;
- if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name;
- return name;
- };
-
- function getKeyMap(val) {
- return typeof val == "string" ? keyMap[val] : val;
- }
-
- // FROMTEXTAREA
-
- CodeMirror.fromTextArea = function(textarea, options) {
- if (!options) options = {};
- options.value = textarea.value;
- if (!options.tabindex && textarea.tabindex)
- options.tabindex = textarea.tabindex;
- if (!options.placeholder && textarea.placeholder)
- options.placeholder = textarea.placeholder;
- // Set autofocus to true if this textarea is focused, or if it has
- // autofocus and no other element is focused.
- if (options.autofocus == null) {
- var hasFocus = activeElt();
- options.autofocus = hasFocus == textarea ||
- textarea.getAttribute("autofocus") != null && hasFocus == document.body;
- }
-
- function save() {textarea.value = cm.getValue();}
- if (textarea.form) {
- on(textarea.form, "submit", save);
- // Deplorable hack to make the submit method do the right thing.
- if (!options.leaveSubmitMethodAlone) {
- var form = textarea.form, realSubmit = form.submit;
- try {
- var wrappedSubmit = form.submit = function() {
- save();
- form.submit = realSubmit;
- form.submit();
- form.submit = wrappedSubmit;
- };
- } catch(e) {}
- }
- }
-
- textarea.style.display = "none";
- var cm = CodeMirror(function(node) {
- textarea.parentNode.insertBefore(node, textarea.nextSibling);
- }, options);
- cm.save = save;
- cm.getTextArea = function() { return textarea; };
- cm.toTextArea = function() {
- cm.toTextArea = isNaN; // Prevent this from being ran twice
- save();
- textarea.parentNode.removeChild(cm.getWrapperElement());
- textarea.style.display = "";
- if (textarea.form) {
- off(textarea.form, "submit", save);
- if (typeof textarea.form.submit == "function")
- textarea.form.submit = realSubmit;
- }
- };
- return cm;
- };
-
- // STRING STREAM
-
- // Fed to the mode parsers, provides helper functions to make
- // parsers more succinct.
-
- var StringStream = CodeMirror.StringStream = function(string, tabSize) {
- this.pos = this.start = 0;
- this.string = string;
- this.tabSize = tabSize || 8;
- this.lastColumnPos = this.lastColumnValue = 0;
- this.lineStart = 0;
- };
-
- StringStream.prototype = {
- eol: function() {return this.pos >= this.string.length;},
- sol: function() {return this.pos == this.lineStart;},
- peek: function() {return this.string.charAt(this.pos) || undefined;},
- next: function() {
- if (this.pos < this.string.length)
- return this.string.charAt(this.pos++);
- },
- eat: function(match) {
- var ch = this.string.charAt(this.pos);
- if (typeof match == "string") var ok = ch == match;
- else var ok = ch && (match.test ? match.test(ch) : match(ch));
- if (ok) {++this.pos; return ch;}
- },
- eatWhile: function(match) {
- var start = this.pos;
- while (this.eat(match)){}
- return this.pos > start;
- },
- eatSpace: function() {
- var start = this.pos;
- while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
- return this.pos > start;
- },
- skipToEnd: function() {this.pos = this.string.length;},
- skipTo: function(ch) {
- var found = this.string.indexOf(ch, this.pos);
- if (found > -1) {this.pos = found; return true;}
- },
- backUp: function(n) {this.pos -= n;},
- column: function() {
- if (this.lastColumnPos < this.start) {
- this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
- this.lastColumnPos = this.start;
- }
- return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
- },
- indentation: function() {
- return countColumn(this.string, null, this.tabSize) -
- (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
- },
- match: function(pattern, consume, caseInsensitive) {
- if (typeof pattern == "string") {
- var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
- var substr = this.string.substr(this.pos, pattern.length);
- if (cased(substr) == cased(pattern)) {
- if (consume !== false) this.pos += pattern.length;
- return true;
- }
- } else {
- var match = this.string.slice(this.pos).match(pattern);
- if (match && match.index > 0) return null;
- if (match && consume !== false) this.pos += match[0].length;
- return match;
- }
- },
- current: function(){return this.string.slice(this.start, this.pos);},
- hideFirstChars: function(n, inner) {
- this.lineStart += n;
- try { return inner(); }
- finally { this.lineStart -= n; }
- }
- };
-
- // TEXTMARKERS
-
- // Created with markText and setBookmark methods. A TextMarker is a
- // handle that can be used to clear or find a marked position in the
- // document. Line objects hold arrays (markedSpans) containing
- // {from, to, marker} object pointing to such marker objects, and
- // indicating that such a marker is present on that line. Multiple
- // lines may point to the same marker when it spans across lines.
- // The spans will have null for their from/to properties when the
- // marker continues beyond the start/end of the line. Markers have
- // links back to the lines they currently touch.
-
- var TextMarker = CodeMirror.TextMarker = function(doc, type) {
- this.lines = [];
- this.type = type;
- this.doc = doc;
- };
- eventMixin(TextMarker);
-
- // Clear the marker.
- TextMarker.prototype.clear = function() {
- if (this.explicitlyCleared) return;
- var cm = this.doc.cm, withOp = cm && !cm.curOp;
- if (withOp) startOperation(cm);
- if (hasHandler(this, "clear")) {
- var found = this.find();
- if (found) signalLater(this, "clear", found.from, found.to);
- }
- var min = null, max = null;
- for (var i = 0; i < this.lines.length; ++i) {
- var line = this.lines[i];
- var span = getMarkedSpanFor(line.markedSpans, this);
- if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text");
- else if (cm) {
- if (span.to != null) max = lineNo(line);
- if (span.from != null) min = lineNo(line);
- }
- line.markedSpans = removeMarkedSpan(line.markedSpans, span);
- if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
- updateLineHeight(line, textHeight(cm.display));
- }
- if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) {
- var visual = visualLine(this.lines[i]), len = lineLength(visual);
- if (len > cm.display.maxLineLength) {
- cm.display.maxLine = visual;
- cm.display.maxLineLength = len;
- cm.display.maxLineChanged = true;
- }
- }
-
- if (min != null && cm && this.collapsed) regChange(cm, min, max + 1);
- this.lines.length = 0;
- this.explicitlyCleared = true;
- if (this.atomic && this.doc.cantEdit) {
- this.doc.cantEdit = false;
- if (cm) reCheckSelection(cm.doc);
- }
- if (cm) signalLater(cm, "markerCleared", cm, this);
- if (withOp) endOperation(cm);
- if (this.parent) this.parent.clear();
- };
-
- // Find the position of the marker in the document. Returns a {from,
- // to} object by default. Side can be passed to get a specific side
- // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
- // Pos objects returned contain a line object, rather than a line
- // number (used to prevent looking up the same line twice).
- TextMarker.prototype.find = function(side, lineObj) {
- if (side == null && this.type == "bookmark") side = 1;
- var from, to;
- for (var i = 0; i < this.lines.length; ++i) {
- var line = this.lines[i];
- var span = getMarkedSpanFor(line.markedSpans, this);
- if (span.from != null) {
- from = Pos(lineObj ? line : lineNo(line), span.from);
- if (side == -1) return from;
- }
- if (span.to != null) {
- to = Pos(lineObj ? line : lineNo(line), span.to);
- if (side == 1) return to;
- }
- }
- return from && {from: from, to: to};
- };
-
- // Signals that the marker's widget changed, and surrounding layout
- // should be recomputed.
- TextMarker.prototype.changed = function() {
- var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
- if (!pos || !cm) return;
- runInOp(cm, function() {
- var line = pos.line, lineN = lineNo(pos.line);
- var view = findViewForLine(cm, lineN);
- if (view) {
- clearLineMeasurementCacheFor(view);
- cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
- }
- cm.curOp.updateMaxLine = true;
- if (!lineIsHidden(widget.doc, line) && widget.height != null) {
- var oldHeight = widget.height;
- widget.height = null;
- var dHeight = widgetHeight(widget) - oldHeight;
- if (dHeight)
- updateLineHeight(line, line.height + dHeight);
- }
- });
- };
-
- TextMarker.prototype.attachLine = function(line) {
- if (!this.lines.length && this.doc.cm) {
- var op = this.doc.cm.curOp;
- if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
- (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this);
- }
- this.lines.push(line);
- };
- TextMarker.prototype.detachLine = function(line) {
- this.lines.splice(indexOf(this.lines, line), 1);
- if (!this.lines.length && this.doc.cm) {
- var op = this.doc.cm.curOp;
- (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
- }
- };
-
- // Collapsed markers have unique ids, in order to be able to order
- // them, which is needed for uniquely determining an outer marker
- // when they overlap (they may nest, but not partially overlap).
- var nextMarkerId = 0;
-
- // Create a marker, wire it up to the right lines, and
- function markText(doc, from, to, options, type) {
- // Shared markers (across linked documents) are handled separately
- // (markTextShared will call out to this again, once per
- // document).
- if (options && options.shared) return markTextShared(doc, from, to, options, type);
- // Ensure we are in an operation.
- if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type);
-
- var marker = new TextMarker(doc, type), diff = cmp(from, to);
- if (options) copyObj(options, marker, false);
- // Don't connect empty markers unless clearWhenEmpty is false
- if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
- return marker;
- if (marker.replacedWith) {
- // Showing up as a widget implies collapsed (widget replaces text)
- marker.collapsed = true;
- marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget");
- if (!options.handleMouseEvents) marker.widgetNode.ignoreEvents = true;
- if (options.insertLeft) marker.widgetNode.insertLeft = true;
- }
- if (marker.collapsed) {
- if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
- from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
- throw new Error("Inserting collapsed marker partially overlapping an existing one");
- sawCollapsedSpans = true;
- }
-
- if (marker.addToHistory)
- addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN);
-
- var curLine = from.line, cm = doc.cm, updateMaxLine;
- doc.iter(curLine, to.line + 1, function(line) {
- if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
- updateMaxLine = true;
- if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0);
- addMarkedSpan(line, new MarkedSpan(marker,
- curLine == from.line ? from.ch : null,
- curLine == to.line ? to.ch : null));
- ++curLine;
- });
- // lineIsHidden depends on the presence of the spans, so needs a second pass
- if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) {
- if (lineIsHidden(doc, line)) updateLineHeight(line, 0);
- });
-
- if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); });
-
- if (marker.readOnly) {
- sawReadOnlySpans = true;
- if (doc.history.done.length || doc.history.undone.length)
- doc.clearHistory();
- }
- if (marker.collapsed) {
- marker.id = ++nextMarkerId;
- marker.atomic = true;
- }
- if (cm) {
- // Sync editor state
- if (updateMaxLine) cm.curOp.updateMaxLine = true;
- if (marker.collapsed)
- regChange(cm, from.line, to.line + 1);
- else if (marker.className || marker.title || marker.startStyle || marker.endStyle)
- for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text");
- if (marker.atomic) reCheckSelection(cm.doc);
- signalLater(cm, "markerAdded", cm, marker);
- }
- return marker;
- }
-
- // SHARED TEXTMARKERS
-
- // A shared marker spans multiple linked documents. It is
- // implemented as a meta-marker-object controlling multiple normal
- // markers.
- var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) {
- this.markers = markers;
- this.primary = primary;
- for (var i = 0; i < markers.length; ++i)
- markers[i].parent = this;
- };
- eventMixin(SharedTextMarker);
-
- SharedTextMarker.prototype.clear = function() {
- if (this.explicitlyCleared) return;
- this.explicitlyCleared = true;
- for (var i = 0; i < this.markers.length; ++i)
- this.markers[i].clear();
- signalLater(this, "clear");
- };
- SharedTextMarker.prototype.find = function(side, lineObj) {
- return this.primary.find(side, lineObj);
- };
-
- function markTextShared(doc, from, to, options, type) {
- options = copyObj(options);
- options.shared = false;
- var markers = [markText(doc, from, to, options, type)], primary = markers[0];
- var widget = options.widgetNode;
- linkedDocs(doc, function(doc) {
- if (widget) options.widgetNode = widget.cloneNode(true);
- markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
- for (var i = 0; i < doc.linked.length; ++i)
- if (doc.linked[i].isParent) return;
- primary = lst(markers);
- });
- return new SharedTextMarker(markers, primary);
- }
-
- function findSharedMarkers(doc) {
- return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())),
- function(m) { return m.parent; });
- }
-
- function copySharedMarkers(doc, markers) {
- for (var i = 0; i < markers.length; i++) {
- var marker = markers[i], pos = marker.find();
- var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
- if (cmp(mFrom, mTo)) {
- var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
- marker.markers.push(subMark);
- subMark.parent = marker;
- }
- }
- }
-
- function detachSharedMarkers(markers) {
- for (var i = 0; i < markers.length; i++) {
- var marker = markers[i], linked = [marker.primary.doc];;
- linkedDocs(marker.primary.doc, function(d) { linked.push(d); });
- for (var j = 0; j < marker.markers.length; j++) {
- var subMarker = marker.markers[j];
- if (indexOf(linked, subMarker.doc) == -1) {
- subMarker.parent = null;
- marker.markers.splice(j--, 1);
- }
- }
- }
- }
-
- // TEXTMARKER SPANS
-
- function MarkedSpan(marker, from, to) {
- this.marker = marker;
- this.from = from; this.to = to;
- }
-
- // Search an array of spans for a span matching the given marker.
- function getMarkedSpanFor(spans, marker) {
- if (spans) for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if (span.marker == marker) return span;
- }
- }
- // Remove a span from an array, returning undefined if no spans are
- // left (we don't store arrays for lines without spans).
- function removeMarkedSpan(spans, span) {
- for (var r, i = 0; i < spans.length; ++i)
- if (spans[i] != span) (r || (r = [])).push(spans[i]);
- return r;
- }
- // Add a span to a line.
- function addMarkedSpan(line, span) {
- line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
- span.marker.attachLine(line);
- }
-
- // Used for the algorithm that adjusts markers for a change in the
- // document. These functions cut an array of spans at a given
- // character position, returning an array of remaining chunks (or
- // undefined if nothing remains).
- function markedSpansBefore(old, startCh, isInsert) {
- if (old) for (var i = 0, nw; i < old.length; ++i) {
- var span = old[i], marker = span.marker;
- var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
- if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
- var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
- (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
- }
- }
- return nw;
- }
- function markedSpansAfter(old, endCh, isInsert) {
- if (old) for (var i = 0, nw; i < old.length; ++i) {
- var span = old[i], marker = span.marker;
- var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
- if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
- var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
- (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
- span.to == null ? null : span.to - endCh));
- }
- }
- return nw;
- }
-
- // Given a change object, compute the new set of marker spans that
- // cover the line in which the change took place. Removes spans
- // entirely within the change, reconnects spans belonging to the
- // same marker that appear on both sides of the change, and cuts off
- // spans partially within the change. Returns an array of span
- // arrays with one element for each line in (after) the change.
- function stretchSpansOverChange(doc, change) {
- var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
- var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
- if (!oldFirst && !oldLast) return null;
-
- var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
- // Get the spans that 'stick out' on both sides
- var first = markedSpansBefore(oldFirst, startCh, isInsert);
- var last = markedSpansAfter(oldLast, endCh, isInsert);
-
- // Next, merge those two ends
- var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
- if (first) {
- // Fix up .to properties of first
- for (var i = 0; i < first.length; ++i) {
- var span = first[i];
- if (span.to == null) {
- var found = getMarkedSpanFor(last, span.marker);
- if (!found) span.to = startCh;
- else if (sameLine) span.to = found.to == null ? null : found.to + offset;
- }
- }
- }
- if (last) {
- // Fix up .from in last (or move them into first in case of sameLine)
- for (var i = 0; i < last.length; ++i) {
- var span = last[i];
- if (span.to != null) span.to += offset;
- if (span.from == null) {
- var found = getMarkedSpanFor(first, span.marker);
- if (!found) {
- span.from = offset;
- if (sameLine) (first || (first = [])).push(span);
- }
- } else {
- span.from += offset;
- if (sameLine) (first || (first = [])).push(span);
- }
- }
- }
- // Make sure we didn't create any zero-length spans
- if (first) first = clearEmptySpans(first);
- if (last && last != first) last = clearEmptySpans(last);
-
- var newMarkers = [first];
- if (!sameLine) {
- // Fill gap with whole-line-spans
- var gap = change.text.length - 2, gapMarkers;
- if (gap > 0 && first)
- for (var i = 0; i < first.length; ++i)
- if (first[i].to == null)
- (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null));
- for (var i = 0; i < gap; ++i)
- newMarkers.push(gapMarkers);
- newMarkers.push(last);
- }
- return newMarkers;
- }
-
- // Remove spans that are empty and don't have a clearWhenEmpty
- // option of false.
- function clearEmptySpans(spans) {
- for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
- spans.splice(i--, 1);
- }
- if (!spans.length) return null;
- return spans;
- }
-
- // Used for un/re-doing changes from the history. Combines the
- // result of computing the existing spans with the set of spans that
- // existed in the history (so that deleting around a span and then
- // undoing brings back the span).
- function mergeOldSpans(doc, change) {
- var old = getOldSpans(doc, change);
- var stretched = stretchSpansOverChange(doc, change);
- if (!old) return stretched;
- if (!stretched) return old;
-
- for (var i = 0; i < old.length; ++i) {
- var oldCur = old[i], stretchCur = stretched[i];
- if (oldCur && stretchCur) {
- spans: for (var j = 0; j < stretchCur.length; ++j) {
- var span = stretchCur[j];
- for (var k = 0; k < oldCur.length; ++k)
- if (oldCur[k].marker == span.marker) continue spans;
- oldCur.push(span);
- }
- } else if (stretchCur) {
- old[i] = stretchCur;
- }
- }
- return old;
- }
-
- // Used to 'clip' out readOnly ranges when making a change.
- function removeReadOnlyRanges(doc, from, to) {
- var markers = null;
- doc.iter(from.line, to.line + 1, function(line) {
- if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
- var mark = line.markedSpans[i].marker;
- if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
- (markers || (markers = [])).push(mark);
- }
- });
- if (!markers) return null;
- var parts = [{from: from, to: to}];
- for (var i = 0; i < markers.length; ++i) {
- var mk = markers[i], m = mk.find(0);
- for (var j = 0; j < parts.length; ++j) {
- var p = parts[j];
- if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue;
- var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
- if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
- newParts.push({from: p.from, to: m.from});
- if (dto > 0 || !mk.inclusiveRight && !dto)
- newParts.push({from: m.to, to: p.to});
- parts.splice.apply(parts, newParts);
- j += newParts.length - 1;
- }
- }
- return parts;
- }
-
- // Connect or disconnect spans from a line.
- function detachMarkedSpans(line) {
- var spans = line.markedSpans;
- if (!spans) return;
- for (var i = 0; i < spans.length; ++i)
- spans[i].marker.detachLine(line);
- line.markedSpans = null;
- }
- function attachMarkedSpans(line, spans) {
- if (!spans) return;
- for (var i = 0; i < spans.length; ++i)
- spans[i].marker.attachLine(line);
- line.markedSpans = spans;
- }
-
- // Helpers used when computing which overlapping collapsed span
- // counts as the larger one.
- function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; }
- function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; }
-
- // Returns a number indicating which of two overlapping collapsed
- // spans is larger (and thus includes the other). Falls back to
- // comparing ids when the spans cover exactly the same range.
- function compareCollapsedMarkers(a, b) {
- var lenDiff = a.lines.length - b.lines.length;
- if (lenDiff != 0) return lenDiff;
- var aPos = a.find(), bPos = b.find();
- var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
- if (fromCmp) return -fromCmp;
- var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
- if (toCmp) return toCmp;
- return b.id - a.id;
- }
-
- // Find out whether a line ends or starts in a collapsed span. If
- // so, return the marker for that span.
- function collapsedSpanAtSide(line, start) {
- var sps = sawCollapsedSpans && line.markedSpans, found;
- if (sps) for (var sp, i = 0; i < sps.length; ++i) {
- sp = sps[i];
- if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
- (!found || compareCollapsedMarkers(found, sp.marker) < 0))
- found = sp.marker;
- }
- return found;
- }
- function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); }
- function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); }
-
- // Test whether there exists a collapsed span that partially
- // overlaps (covers the start or end, but not both) of a new span.
- // Such overlap is not allowed.
- function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
- var line = getLine(doc, lineNo);
- var sps = sawCollapsedSpans && line.markedSpans;
- if (sps) for (var i = 0; i < sps.length; ++i) {
- var sp = sps[i];
- if (!sp.marker.collapsed) continue;
- var found = sp.marker.find(0);
- var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
- var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
- if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue;
- if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) ||
- fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight)))
- return true;
- }
- }
-
- // A visual line is a line as drawn on the screen. Folding, for
- // example, can cause multiple logical lines to appear on the same
- // visual line. This finds the start of the visual line that the
- // given line is part of (usually that is the line itself).
- function visualLine(line) {
- var merged;
- while (merged = collapsedSpanAtStart(line))
- line = merged.find(-1, true).line;
- return line;
- }
-
- // Returns an array of logical lines that continue the visual line
- // started by the argument, or undefined if there are no such lines.
- function visualLineContinued(line) {
- var merged, lines;
- while (merged = collapsedSpanAtEnd(line)) {
- line = merged.find(1, true).line;
- (lines || (lines = [])).push(line);
- }
- return lines;
- }
-
- // Get the line number of the start of the visual line that the
- // given line number is part of.
- function visualLineNo(doc, lineN) {
- var line = getLine(doc, lineN), vis = visualLine(line);
- if (line == vis) return lineN;
- return lineNo(vis);
- }
- // Get the line number of the start of the next visual line after
- // the given line.
- function visualLineEndNo(doc, lineN) {
- if (lineN > doc.lastLine()) return lineN;
- var line = getLine(doc, lineN), merged;
- if (!lineIsHidden(doc, line)) return lineN;
- while (merged = collapsedSpanAtEnd(line))
- line = merged.find(1, true).line;
- return lineNo(line) + 1;
- }
-
- // Compute whether a line is hidden. Lines count as hidden when they
- // are part of a visual line that starts with another line, or when
- // they are entirely covered by collapsed, non-widget span.
- function lineIsHidden(doc, line) {
- var sps = sawCollapsedSpans && line.markedSpans;
- if (sps) for (var sp, i = 0; i < sps.length; ++i) {
- sp = sps[i];
- if (!sp.marker.collapsed) continue;
- if (sp.from == null) return true;
- if (sp.marker.widgetNode) continue;
- if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
- return true;
- }
- }
- function lineIsHiddenInner(doc, line, span) {
- if (span.to == null) {
- var end = span.marker.find(1, true);
- return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker));
- }
- if (span.marker.inclusiveRight && span.to == line.text.length)
- return true;
- for (var sp, i = 0; i < line.markedSpans.length; ++i) {
- sp = line.markedSpans[i];
- if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
- (sp.to == null || sp.to != span.from) &&
- (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
- lineIsHiddenInner(doc, line, sp)) return true;
- }
- }
-
- // LINE WIDGETS
-
- // Line widgets are block elements displayed above or below a line.
-
- var LineWidget = CodeMirror.LineWidget = function(cm, node, options) {
- if (options) for (var opt in options) if (options.hasOwnProperty(opt))
- this[opt] = options[opt];
- this.cm = cm;
- this.node = node;
- };
- eventMixin(LineWidget);
-
- function adjustScrollWhenAboveVisible(cm, line, diff) {
- if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
- addToScrollPos(cm, null, diff);
- }
-
- LineWidget.prototype.clear = function() {
- var cm = this.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
- if (no == null || !ws) return;
- for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1);
- if (!ws.length) line.widgets = null;
- var height = widgetHeight(this);
- runInOp(cm, function() {
- adjustScrollWhenAboveVisible(cm, line, -height);
- regLineChange(cm, no, "widget");
- updateLineHeight(line, Math.max(0, line.height - height));
- });
- };
- LineWidget.prototype.changed = function() {
- var oldH = this.height, cm = this.cm, line = this.line;
- this.height = null;
- var diff = widgetHeight(this) - oldH;
- if (!diff) return;
- runInOp(cm, function() {
- cm.curOp.forceUpdate = true;
- adjustScrollWhenAboveVisible(cm, line, diff);
- updateLineHeight(line, line.height + diff);
- });
- };
-
- function widgetHeight(widget) {
- if (widget.height != null) return widget.height;
- if (!contains(document.body, widget.node)) {
- var parentStyle = "position: relative;";
- if (widget.coverGutter)
- parentStyle += "margin-left: -" + widget.cm.getGutterElement().offsetWidth + "px;";
- removeChildrenAndAdd(widget.cm.display.measure, elt("div", [widget.node], null, parentStyle));
- }
- return widget.height = widget.node.offsetHeight;
- }
-
- function addLineWidget(cm, handle, node, options) {
- var widget = new LineWidget(cm, node, options);
- if (widget.noHScroll) cm.display.alignWidgets = true;
- changeLine(cm.doc, handle, "widget", function(line) {
- var widgets = line.widgets || (line.widgets = []);
- if (widget.insertAt == null) widgets.push(widget);
- else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget);
- widget.line = line;
- if (!lineIsHidden(cm.doc, line)) {
- var aboveVisible = heightAtLine(line) < cm.doc.scrollTop;
- updateLineHeight(line, line.height + widgetHeight(widget));
- if (aboveVisible) addToScrollPos(cm, null, widget.height);
- cm.curOp.forceUpdate = true;
- }
- return true;
- });
- return widget;
- }
-
- // LINE DATA STRUCTURE
-
- // Line objects. These hold state related to a line, including
- // highlighting info (the styles array).
- var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) {
- this.text = text;
- attachMarkedSpans(this, markedSpans);
- this.height = estimateHeight ? estimateHeight(this) : 1;
- };
- eventMixin(Line);
- Line.prototype.lineNo = function() { return lineNo(this); };
-
- // Change the content (text, markers) of a line. Automatically
- // invalidates cached information and tries to re-estimate the
- // line's height.
- function updateLine(line, text, markedSpans, estimateHeight) {
- line.text = text;
- if (line.stateAfter) line.stateAfter = null;
- if (line.styles) line.styles = null;
- if (line.order != null) line.order = null;
- detachMarkedSpans(line);
- attachMarkedSpans(line, markedSpans);
- var estHeight = estimateHeight ? estimateHeight(line) : 1;
- if (estHeight != line.height) updateLineHeight(line, estHeight);
- }
-
- // Detach a line from the document tree and its markers.
- function cleanUpLine(line) {
- line.parent = null;
- detachMarkedSpans(line);
- }
-
- function extractLineClasses(type, output) {
- if (type) for (;;) {
- var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
- if (!lineClass) break;
- type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
- var prop = lineClass[1] ? "bgClass" : "textClass";
- if (output[prop] == null)
- output[prop] = lineClass[2];
- else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
- output[prop] += " " + lineClass[2];
- }
- return type;
- }
-
- function callBlankLine(mode, state) {
- if (mode.blankLine) return mode.blankLine(state);
- if (!mode.innerMode) return;
- var inner = CodeMirror.innerMode(mode, state);
- if (inner.mode.blankLine) return inner.mode.blankLine(inner.state);
- }
-
- function readToken(mode, stream, state, inner) {
- for (var i = 0; i < 10; i++) {
- if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode;
- var style = mode.token(stream, state);
- if (stream.pos > stream.start) return style;
- }
- throw new Error("Mode " + mode.name + " failed to advance stream.");
- }
-
- // Utility for getTokenAt and getLineTokens
- function takeToken(cm, pos, precise, asArray) {
- function getObj(copy) {
- return {start: stream.start, end: stream.pos,
- string: stream.current(),
- type: style || null,
- state: copy ? copyState(doc.mode, state) : state};
- }
-
- var doc = cm.doc, mode = doc.mode, style;
- pos = clipPos(doc, pos);
- var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise);
- var stream = new StringStream(line.text, cm.options.tabSize), tokens;
- if (asArray) tokens = [];
- while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
- stream.start = stream.pos;
- style = readToken(mode, stream, state);
- if (asArray) tokens.push(getObj(true));
- }
- return asArray ? tokens : getObj();
- }
-
- // Run the given mode's parser over a line, calling f for each token.
- function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) {
- var flattenSpans = mode.flattenSpans;
- if (flattenSpans == null) flattenSpans = cm.options.flattenSpans;
- var curStart = 0, curStyle = null;
- var stream = new StringStream(text, cm.options.tabSize), style;
- var inner = cm.options.addModeClass && [null];
- if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses);
- while (!stream.eol()) {
- if (stream.pos > cm.options.maxHighlightLength) {
- flattenSpans = false;
- if (forceToEnd) processLine(cm, text, state, stream.pos);
- stream.pos = text.length;
- style = null;
- } else {
- style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses);
- }
- if (inner) {
- var mName = inner[0].name;
- if (mName) style = "m-" + (style ? mName + " " + style : mName);
- }
- if (!flattenSpans || curStyle != style) {
- if (curStart < stream.start) f(stream.start, curStyle);
- curStart = stream.start; curStyle = style;
- }
- stream.start = stream.pos;
- }
- while (curStart < stream.pos) {
- // Webkit seems to refuse to render text nodes longer than 57444 characters
- var pos = Math.min(stream.pos, curStart + 50000);
- f(pos, curStyle);
- curStart = pos;
- }
- }
-
- // Compute a style array (an array starting with a mode generation
- // -- for invalidation -- followed by pairs of end positions and
- // style strings), which is used to highlight the tokens on the
- // line.
- function highlightLine(cm, line, state, forceToEnd) {
- // A styles array always starts with a number identifying the
- // mode/overlays that it is based on (for easy invalidation).
- var st = [cm.state.modeGen], lineClasses = {};
- // Compute the base array of styles
- runMode(cm, line.text, cm.doc.mode, state, function(end, style) {
- st.push(end, style);
- }, lineClasses, forceToEnd);
-
- // Run overlays, adjust style array.
- for (var o = 0; o < cm.state.overlays.length; ++o) {
- var overlay = cm.state.overlays[o], i = 1, at = 0;
- runMode(cm, line.text, overlay.mode, true, function(end, style) {
- var start = i;
- // Ensure there's a token end at the current position, and that i points at it
- while (at < end) {
- var i_end = st[i];
- if (i_end > end)
- st.splice(i, 1, end, st[i+1], i_end);
- i += 2;
- at = Math.min(end, i_end);
- }
- if (!style) return;
- if (overlay.opaque) {
- st.splice(start, i - start, end, "cm-overlay " + style);
- i = start + 2;
- } else {
- for (; start < i; start += 2) {
- var cur = st[start+1];
- st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style;
- }
- }
- }, lineClasses);
- }
-
- return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null};
- }
-
- function getLineStyles(cm, line, updateFrontier) {
- if (!line.styles || line.styles[0] != cm.state.modeGen) {
- var result = highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line)));
- line.styles = result.styles;
- if (result.classes) line.styleClasses = result.classes;
- else if (line.styleClasses) line.styleClasses = null;
- if (updateFrontier === cm.doc.frontier) cm.doc.frontier++;
- }
- return line.styles;
- }
-
- // Lightweight form of highlight -- proceed over this line and
- // update state, but don't save a style array. Used for lines that
- // aren't currently visible.
- function processLine(cm, text, state, startAt) {
- var mode = cm.doc.mode;
- var stream = new StringStream(text, cm.options.tabSize);
- stream.start = stream.pos = startAt || 0;
- if (text == "") callBlankLine(mode, state);
- while (!stream.eol() && stream.pos <= cm.options.maxHighlightLength) {
- readToken(mode, stream, state);
- stream.start = stream.pos;
- }
- }
-
- // Convert a style as returned by a mode (either null, or a string
- // containing one or more styles) to a CSS style. This is cached,
- // and also looks for line-wide styles.
- var styleToClassCache = {}, styleToClassCacheWithMode = {};
- function interpretTokenStyle(style, options) {
- if (!style || /^\s*$/.test(style)) return null;
- var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
- return cache[style] ||
- (cache[style] = style.replace(/\S+/g, "cm-$&"));
- }
-
- // Render the DOM representation of the text of a line. Also builds
- // up a 'line map', which points at the DOM nodes that represent
- // specific stretches of text, and is used by the measuring code.
- // The returned object contains the DOM node, this map, and
- // information about line-wide styles that were set by the mode.
- function buildLineContent(cm, lineView) {
- // The padding-right forces the element to have a 'border', which
- // is needed on Webkit to be able to get line-level bounding
- // rectangles for it (in measureChar).
- var content = elt("span", null, null, webkit ? "padding-right: .1px" : null);
- var builder = {pre: elt("pre", [content]), content: content, col: 0, pos: 0, cm: cm};
- lineView.measure = {};
-
- // Iterate over the logical lines that make up this visual line.
- for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
- var line = i ? lineView.rest[i - 1] : lineView.line, order;
- builder.pos = 0;
- builder.addToken = buildToken;
- // Optionally wire in some hacks into the token-rendering
- // algorithm, to deal with browser quirks.
- if ((ie || webkit) && cm.getOption("lineWrapping"))
- builder.addToken = buildTokenSplitSpaces(builder.addToken);
- if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line)))
- builder.addToken = buildTokenBadBidi(builder.addToken, order);
- builder.map = [];
- var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
- insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
- if (line.styleClasses) {
- if (line.styleClasses.bgClass)
- builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "");
- if (line.styleClasses.textClass)
- builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "");
- }
-
- // Ensure at least a single node is present, for measuring.
- if (builder.map.length == 0)
- builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)));
-
- // Store the map and a cache object for the current logical line
- if (i == 0) {
- lineView.measure.map = builder.map;
- lineView.measure.cache = {};
- } else {
- (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map);
- (lineView.measure.caches || (lineView.measure.caches = [])).push({});
- }
- }
-
- // See issue #2901
- if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className))
- builder.content.className = "cm-tab-wrap-hack";
-
- signal(cm, "renderLine", cm, lineView.line, builder.pre);
- if (builder.pre.className)
- builder.textClass = joinClasses(builder.pre.className, builder.textClass || "");
-
- return builder;
- }
-
- function defaultSpecialCharPlaceholder(ch) {
- var token = elt("span", "\u2022", "cm-invalidchar");
- token.title = "\\u" + ch.charCodeAt(0).toString(16);
- return token;
- }
-
- // Build up the DOM representation for a single token, and add it to
- // the line map. Takes care to render special characters separately.
- function buildToken(builder, text, style, startStyle, endStyle, title) {
- if (!text) return;
- var special = builder.cm.options.specialChars, mustWrap = false;
- if (!special.test(text)) {
- builder.col += text.length;
- var content = document.createTextNode(text);
- builder.map.push(builder.pos, builder.pos + text.length, content);
- if (ie && ie_version < 9) mustWrap = true;
- builder.pos += text.length;
- } else {
- var content = document.createDocumentFragment(), pos = 0;
- while (true) {
- special.lastIndex = pos;
- var m = special.exec(text);
- var skipped = m ? m.index - pos : text.length - pos;
- if (skipped) {
- var txt = document.createTextNode(text.slice(pos, pos + skipped));
- if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
- else content.appendChild(txt);
- builder.map.push(builder.pos, builder.pos + skipped, txt);
- builder.col += skipped;
- builder.pos += skipped;
- }
- if (!m) break;
- pos += skipped + 1;
- if (m[0] == "\t") {
- var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
- var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
- builder.col += tabWidth;
- } else {
- var txt = builder.cm.options.specialCharPlaceholder(m[0]);
- if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
- else content.appendChild(txt);
- builder.col += 1;
- }
- builder.map.push(builder.pos, builder.pos + 1, txt);
- builder.pos++;
- }
- }
- if (style || startStyle || endStyle || mustWrap) {
- var fullStyle = style || "";
- if (startStyle) fullStyle += startStyle;
- if (endStyle) fullStyle += endStyle;
- var token = elt("span", [content], fullStyle);
- if (title) token.title = title;
- return builder.content.appendChild(token);
- }
- builder.content.appendChild(content);
- }
-
- function buildTokenSplitSpaces(inner) {
- function split(old) {
- var out = " ";
- for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0";
- out += " ";
- return out;
- }
- return function(builder, text, style, startStyle, endStyle, title) {
- inner(builder, text.replace(/ {3,}/g, split), style, startStyle, endStyle, title);
- };
- }
-
- // Work around nonsense dimensions being reported for stretches of
- // right-to-left text.
- function buildTokenBadBidi(inner, order) {
- return function(builder, text, style, startStyle, endStyle, title) {
- style = style ? style + " cm-force-border" : "cm-force-border";
- var start = builder.pos, end = start + text.length;
- for (;;) {
- // Find the part that overlaps with the start of this text
- for (var i = 0; i < order.length; i++) {
- var part = order[i];
- if (part.to > start && part.from <= start) break;
- }
- if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title);
- inner(builder, text.slice(0, part.to - start), style, startStyle, null, title);
- startStyle = null;
- text = text.slice(part.to - start);
- start = part.to;
- }
- };
- }
-
- function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
- var widget = !ignoreWidget && marker.widgetNode;
- if (widget) {
- builder.map.push(builder.pos, builder.pos + size, widget);
- builder.content.appendChild(widget);
- }
- builder.pos += size;
- }
-
- // Outputs a number of spans to make up a line, taking highlighting
- // and marked text into account.
- function insertLineContent(line, builder, styles) {
- var spans = line.markedSpans, allText = line.text, at = 0;
- if (!spans) {
- for (var i = 1; i < styles.length; i+=2)
- builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options));
- return;
- }
-
- var len = allText.length, pos = 0, i = 1, text = "", style;
- var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
- for (;;) {
- if (nextChange == pos) { // Update current marker set
- spanStyle = spanEndStyle = spanStartStyle = title = "";
- collapsed = null; nextChange = Infinity;
- var foundBookmarks = [];
- for (var j = 0; j < spans.length; ++j) {
- var sp = spans[j], m = sp.marker;
- if (sp.from <= pos && (sp.to == null || sp.to > pos)) {
- if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; }
- if (m.className) spanStyle += " " + m.className;
- if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
- if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
- if (m.title && !title) title = m.title;
- if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
- collapsed = sp;
- } else if (sp.from > pos && nextChange > sp.from) {
- nextChange = sp.from;
- }
- if (m.type == "bookmark" && sp.from == pos && m.widgetNode) foundBookmarks.push(m);
- }
- if (collapsed && (collapsed.from || 0) == pos) {
- buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
- collapsed.marker, collapsed.from == null);
- if (collapsed.to == null) return;
- }
- if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j)
- buildCollapsedSpan(builder, 0, foundBookmarks[j]);
- }
- if (pos >= len) break;
-
- var upto = Math.min(len, nextChange);
- while (true) {
- if (text) {
- var end = pos + text.length;
- if (!collapsed) {
- var tokenText = end > upto ? text.slice(0, upto - pos) : text;
- builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
- spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title);
- }
- if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
- pos = end;
- spanStartStyle = "";
- }
- text = allText.slice(at, at = styles[i++]);
- style = interpretTokenStyle(styles[i++], builder.cm.options);
- }
- }
- }
-
- // DOCUMENT DATA STRUCTURE
-
- // By default, updates that start and end at the beginning of a line
- // are treated specially, in order to make the association of line
- // widgets and marker elements with the text behave more intuitive.
- function isWholeLineUpdate(doc, change) {
- return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
- (!doc.cm || doc.cm.options.wholeLineUpdateBefore);
- }
-
- // Perform a change on the document data structure.
- function updateDoc(doc, change, markedSpans, estimateHeight) {
- function spansFor(n) {return markedSpans ? markedSpans[n] : null;}
- function update(line, text, spans) {
- updateLine(line, text, spans, estimateHeight);
- signalLater(line, "change", line, change);
- }
-
- var from = change.from, to = change.to, text = change.text;
- var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
- var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
-
- // Adjust the line structure
- if (isWholeLineUpdate(doc, change)) {
- // This is a whole-line replace. Treated specially to make
- // sure line objects move the way they are supposed to.
- for (var i = 0, added = []; i < text.length - 1; ++i)
- added.push(new Line(text[i], spansFor(i), estimateHeight));
- update(lastLine, lastLine.text, lastSpans);
- if (nlines) doc.remove(from.line, nlines);
- if (added.length) doc.insert(from.line, added);
- } else if (firstLine == lastLine) {
- if (text.length == 1) {
- update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
- } else {
- for (var added = [], i = 1; i < text.length - 1; ++i)
- added.push(new Line(text[i], spansFor(i), estimateHeight));
- added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
- doc.insert(from.line + 1, added);
- }
- } else if (text.length == 1) {
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
- doc.remove(from.line + 1, nlines);
- } else {
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
- update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
- for (var i = 1, added = []; i < text.length - 1; ++i)
- added.push(new Line(text[i], spansFor(i), estimateHeight));
- if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
- doc.insert(from.line + 1, added);
- }
-
- signalLater(doc, "change", doc, change);
- }
-
- // The document is represented as a BTree consisting of leaves, with
- // chunk of lines in them, and branches, with up to ten leaves or
- // other branch nodes below them. The top node is always a branch
- // node, and is the document object itself (meaning it has
- // additional methods and properties).
- //
- // All nodes have parent links. The tree is used both to go from
- // line numbers to line objects, and to go from objects to numbers.
- // It also indexes by height, and is used to convert between height
- // and line object, and to find the total height of the document.
- //
- // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
-
- function LeafChunk(lines) {
- this.lines = lines;
- this.parent = null;
- for (var i = 0, height = 0; i < lines.length; ++i) {
- lines[i].parent = this;
- height += lines[i].height;
- }
- this.height = height;
- }
-
- LeafChunk.prototype = {
- chunkSize: function() { return this.lines.length; },
- // Remove the n lines at offset 'at'.
- removeInner: function(at, n) {
- for (var i = at, e = at + n; i < e; ++i) {
- var line = this.lines[i];
- this.height -= line.height;
- cleanUpLine(line);
- signalLater(line, "delete");
- }
- this.lines.splice(at, n);
- },
- // Helper used to collapse a small branch into a single leaf.
- collapse: function(lines) {
- lines.push.apply(lines, this.lines);
- },
- // Insert the given array of lines at offset 'at', count them as
- // having the given height.
- insertInner: function(at, lines, height) {
- this.height += height;
- this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
- for (var i = 0; i < lines.length; ++i) lines[i].parent = this;
- },
- // Used to iterate over a part of the tree.
- iterN: function(at, n, op) {
- for (var e = at + n; at < e; ++at)
- if (op(this.lines[at])) return true;
- }
- };
-
- function BranchChunk(children) {
- this.children = children;
- var size = 0, height = 0;
- for (var i = 0; i < children.length; ++i) {
- var ch = children[i];
- size += ch.chunkSize(); height += ch.height;
- ch.parent = this;
- }
- this.size = size;
- this.height = height;
- this.parent = null;
- }
-
- BranchChunk.prototype = {
- chunkSize: function() { return this.size; },
- removeInner: function(at, n) {
- this.size -= n;
- for (var i = 0; i < this.children.length; ++i) {
- var child = this.children[i], sz = child.chunkSize();
- if (at < sz) {
- var rm = Math.min(n, sz - at), oldHeight = child.height;
- child.removeInner(at, rm);
- this.height -= oldHeight - child.height;
- if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
- if ((n -= rm) == 0) break;
- at = 0;
- } else at -= sz;
- }
- // If the result is smaller than 25 lines, ensure that it is a
- // single leaf node.
- if (this.size - n < 25 &&
- (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
- var lines = [];
- this.collapse(lines);
- this.children = [new LeafChunk(lines)];
- this.children[0].parent = this;
- }
- },
- collapse: function(lines) {
- for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines);
- },
- insertInner: function(at, lines, height) {
- this.size += lines.length;
- this.height += height;
- for (var i = 0; i < this.children.length; ++i) {
- var child = this.children[i], sz = child.chunkSize();
- if (at <= sz) {
- child.insertInner(at, lines, height);
- if (child.lines && child.lines.length > 50) {
- while (child.lines.length > 50) {
- var spilled = child.lines.splice(child.lines.length - 25, 25);
- var newleaf = new LeafChunk(spilled);
- child.height -= newleaf.height;
- this.children.splice(i + 1, 0, newleaf);
- newleaf.parent = this;
- }
- this.maybeSpill();
- }
- break;
- }
- at -= sz;
- }
- },
- // When a node has grown, check whether it should be split.
- maybeSpill: function() {
- if (this.children.length <= 10) return;
- var me = this;
- do {
- var spilled = me.children.splice(me.children.length - 5, 5);
- var sibling = new BranchChunk(spilled);
- if (!me.parent) { // Become the parent node
- var copy = new BranchChunk(me.children);
- copy.parent = me;
- me.children = [copy, sibling];
- me = copy;
- } else {
- me.size -= sibling.size;
- me.height -= sibling.height;
- var myIndex = indexOf(me.parent.children, me);
- me.parent.children.splice(myIndex + 1, 0, sibling);
- }
- sibling.parent = me.parent;
- } while (me.children.length > 10);
- me.parent.maybeSpill();
- },
- iterN: function(at, n, op) {
- for (var i = 0; i < this.children.length; ++i) {
- var child = this.children[i], sz = child.chunkSize();
- if (at < sz) {
- var used = Math.min(n, sz - at);
- if (child.iterN(at, used, op)) return true;
- if ((n -= used) == 0) break;
- at = 0;
- } else at -= sz;
- }
- }
- };
-
- var nextDocId = 0;
- var Doc = CodeMirror.Doc = function(text, mode, firstLine) {
- if (!(this instanceof Doc)) return new Doc(text, mode, firstLine);
- if (firstLine == null) firstLine = 0;
-
- BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
- this.first = firstLine;
- this.scrollTop = this.scrollLeft = 0;
- this.cantEdit = false;
- this.cleanGeneration = 1;
- this.frontier = firstLine;
- var start = Pos(firstLine, 0);
- this.sel = simpleSelection(start);
- this.history = new History(null);
- this.id = ++nextDocId;
- this.modeOption = mode;
-
- if (typeof text == "string") text = splitLines(text);
- updateDoc(this, {from: start, to: start, text: text});
- setSelection(this, simpleSelection(start), sel_dontScroll);
- };
-
- Doc.prototype = createObj(BranchChunk.prototype, {
- constructor: Doc,
- // Iterate over the document. Supports two forms -- with only one
- // argument, it calls that for each line in the document. With
- // three, it iterates over the range given by the first two (with
- // the second being non-inclusive).
- iter: function(from, to, op) {
- if (op) this.iterN(from - this.first, to - from, op);
- else this.iterN(this.first, this.first + this.size, from);
- },
-
- // Non-public interface for adding and removing lines.
- insert: function(at, lines) {
- var height = 0;
- for (var i = 0; i < lines.length; ++i) height += lines[i].height;
- this.insertInner(at - this.first, lines, height);
- },
- remove: function(at, n) { this.removeInner(at - this.first, n); },
-
- // From here, the methods are part of the public interface. Most
- // are also available from CodeMirror (editor) instances.
-
- getValue: function(lineSep) {
- var lines = getLines(this, this.first, this.first + this.size);
- if (lineSep === false) return lines;
- return lines.join(lineSep || "\n");
- },
- setValue: docMethodOp(function(code) {
- var top = Pos(this.first, 0), last = this.first + this.size - 1;
- makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
- text: splitLines(code), origin: "setValue"}, true);
- setSelection(this, simpleSelection(top));
- }),
- replaceRange: function(code, from, to, origin) {
- from = clipPos(this, from);
- to = to ? clipPos(this, to) : from;
- replaceRange(this, code, from, to, origin);
- },
- getRange: function(from, to, lineSep) {
- var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
- if (lineSep === false) return lines;
- return lines.join(lineSep || "\n");
- },
-
- getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
-
- getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);},
- getLineNumber: function(line) {return lineNo(line);},
-
- getLineHandleVisualStart: function(line) {
- if (typeof line == "number") line = getLine(this, line);
- return visualLine(line);
- },
-
- lineCount: function() {return this.size;},
- firstLine: function() {return this.first;},
- lastLine: function() {return this.first + this.size - 1;},
-
- clipPos: function(pos) {return clipPos(this, pos);},
-
- getCursor: function(start) {
- var range = this.sel.primary(), pos;
- if (start == null || start == "head") pos = range.head;
- else if (start == "anchor") pos = range.anchor;
- else if (start == "end" || start == "to" || start === false) pos = range.to();
- else pos = range.from();
- return pos;
- },
- listSelections: function() { return this.sel.ranges; },
- somethingSelected: function() {return this.sel.somethingSelected();},
-
- setCursor: docMethodOp(function(line, ch, options) {
- setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
- }),
- setSelection: docMethodOp(function(anchor, head, options) {
- setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
- }),
- extendSelection: docMethodOp(function(head, other, options) {
- extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
- }),
- extendSelections: docMethodOp(function(heads, options) {
- extendSelections(this, clipPosArray(this, heads, options));
- }),
- extendSelectionsBy: docMethodOp(function(f, options) {
- extendSelections(this, map(this.sel.ranges, f), options);
- }),
- setSelections: docMethodOp(function(ranges, primary, options) {
- if (!ranges.length) return;
- for (var i = 0, out = []; i < ranges.length; i++)
- out[i] = new Range(clipPos(this, ranges[i].anchor),
- clipPos(this, ranges[i].head));
- if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex);
- setSelection(this, normalizeSelection(out, primary), options);
- }),
- addSelection: docMethodOp(function(anchor, head, options) {
- var ranges = this.sel.ranges.slice(0);
- ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
- setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
- }),
-
- getSelection: function(lineSep) {
- var ranges = this.sel.ranges, lines;
- for (var i = 0; i < ranges.length; i++) {
- var sel = getBetween(this, ranges[i].from(), ranges[i].to());
- lines = lines ? lines.concat(sel) : sel;
- }
- if (lineSep === false) return lines;
- else return lines.join(lineSep || "\n");
- },
- getSelections: function(lineSep) {
- var parts = [], ranges = this.sel.ranges;
- for (var i = 0; i < ranges.length; i++) {
- var sel = getBetween(this, ranges[i].from(), ranges[i].to());
- if (lineSep !== false) sel = sel.join(lineSep || "\n");
- parts[i] = sel;
- }
- return parts;
- },
- replaceSelection: function(code, collapse, origin) {
- var dup = [];
- for (var i = 0; i < this.sel.ranges.length; i++)
- dup[i] = code;
- this.replaceSelections(dup, collapse, origin || "+input");
- },
- replaceSelections: docMethodOp(function(code, collapse, origin) {
- var changes = [], sel = this.sel;
- for (var i = 0; i < sel.ranges.length; i++) {
- var range = sel.ranges[i];
- changes[i] = {from: range.from(), to: range.to(), text: splitLines(code[i]), origin: origin};
- }
- var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
- for (var i = changes.length - 1; i >= 0; i--)
- makeChange(this, changes[i]);
- if (newSel) setSelectionReplaceHistory(this, newSel);
- else if (this.cm) ensureCursorVisible(this.cm);
- }),
- undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
- redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
- undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
- redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
-
- setExtending: function(val) {this.extend = val;},
- getExtending: function() {return this.extend;},
-
- historySize: function() {
- var hist = this.history, done = 0, undone = 0;
- for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done;
- for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone;
- return {undo: done, redo: undone};
- },
- clearHistory: function() {this.history = new History(this.history.maxGeneration);},
-
- markClean: function() {
- this.cleanGeneration = this.changeGeneration(true);
- },
- changeGeneration: function(forceSplit) {
- if (forceSplit)
- this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null;
- return this.history.generation;
- },
- isClean: function (gen) {
- return this.history.generation == (gen || this.cleanGeneration);
- },
-
- getHistory: function() {
- return {done: copyHistoryArray(this.history.done),
- undone: copyHistoryArray(this.history.undone)};
- },
- setHistory: function(histData) {
- var hist = this.history = new History(this.history.maxGeneration);
- hist.done = copyHistoryArray(histData.done.slice(0), null, true);
- hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
- },
-
- addLineClass: docMethodOp(function(handle, where, cls) {
- return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
- var prop = where == "text" ? "textClass"
- : where == "background" ? "bgClass"
- : where == "gutter" ? "gutterClass" : "wrapClass";
- if (!line[prop]) line[prop] = cls;
- else if (classTest(cls).test(line[prop])) return false;
- else line[prop] += " " + cls;
- return true;
- });
- }),
- removeLineClass: docMethodOp(function(handle, where, cls) {
- return changeLine(this, handle, "class", function(line) {
- var prop = where == "text" ? "textClass"
- : where == "background" ? "bgClass"
- : where == "gutter" ? "gutterClass" : "wrapClass";
- var cur = line[prop];
- if (!cur) return false;
- else if (cls == null) line[prop] = null;
- else {
- var found = cur.match(classTest(cls));
- if (!found) return false;
- var end = found.index + found[0].length;
- line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
- }
- return true;
- });
- }),
-
- markText: function(from, to, options) {
- return markText(this, clipPos(this, from), clipPos(this, to), options, "range");
- },
- setBookmark: function(pos, options) {
- var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
- insertLeft: options && options.insertLeft,
- clearWhenEmpty: false, shared: options && options.shared};
- pos = clipPos(this, pos);
- return markText(this, pos, pos, realOpts, "bookmark");
- },
- findMarksAt: function(pos) {
- pos = clipPos(this, pos);
- var markers = [], spans = getLine(this, pos.line).markedSpans;
- if (spans) for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if ((span.from == null || span.from <= pos.ch) &&
- (span.to == null || span.to >= pos.ch))
- markers.push(span.marker.parent || span.marker);
- }
- return markers;
- },
- findMarks: function(from, to, filter) {
- from = clipPos(this, from); to = clipPos(this, to);
- var found = [], lineNo = from.line;
- this.iter(from.line, to.line + 1, function(line) {
- var spans = line.markedSpans;
- if (spans) for (var i = 0; i < spans.length; i++) {
- var span = spans[i];
- if (!(lineNo == from.line && from.ch > span.to ||
- span.from == null && lineNo != from.line||
- lineNo == to.line && span.from > to.ch) &&
- (!filter || filter(span.marker)))
- found.push(span.marker.parent || span.marker);
- }
- ++lineNo;
- });
- return found;
- },
- getAllMarks: function() {
- var markers = [];
- this.iter(function(line) {
- var sps = line.markedSpans;
- if (sps) for (var i = 0; i < sps.length; ++i)
- if (sps[i].from != null) markers.push(sps[i].marker);
- });
- return markers;
- },
-
- posFromIndex: function(off) {
- var ch, lineNo = this.first;
- this.iter(function(line) {
- var sz = line.text.length + 1;
- if (sz > off) { ch = off; return true; }
- off -= sz;
- ++lineNo;
- });
- return clipPos(this, Pos(lineNo, ch));
- },
- indexFromPos: function (coords) {
- coords = clipPos(this, coords);
- var index = coords.ch;
- if (coords.line < this.first || coords.ch < 0) return 0;
- this.iter(this.first, coords.line, function (line) {
- index += line.text.length + 1;
- });
- return index;
- },
-
- copy: function(copyHistory) {
- var doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first);
- doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
- doc.sel = this.sel;
- doc.extend = false;
- if (copyHistory) {
- doc.history.undoDepth = this.history.undoDepth;
- doc.setHistory(this.getHistory());
- }
- return doc;
- },
-
- linkedDoc: function(options) {
- if (!options) options = {};
- var from = this.first, to = this.first + this.size;
- if (options.from != null && options.from > from) from = options.from;
- if (options.to != null && options.to < to) to = options.to;
- var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from);
- if (options.sharedHist) copy.history = this.history;
- (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
- copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
- copySharedMarkers(copy, findSharedMarkers(this));
- return copy;
- },
- unlinkDoc: function(other) {
- if (other instanceof CodeMirror) other = other.doc;
- if (this.linked) for (var i = 0; i < this.linked.length; ++i) {
- var link = this.linked[i];
- if (link.doc != other) continue;
- this.linked.splice(i, 1);
- other.unlinkDoc(this);
- detachSharedMarkers(findSharedMarkers(this));
- break;
- }
- // If the histories were shared, split them again
- if (other.history == this.history) {
- var splitIds = [other.id];
- linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true);
- other.history = new History(null);
- other.history.done = copyHistoryArray(this.history.done, splitIds);
- other.history.undone = copyHistoryArray(this.history.undone, splitIds);
- }
- },
- iterLinkedDocs: function(f) {linkedDocs(this, f);},
-
- getMode: function() {return this.mode;},
- getEditor: function() {return this.cm;}
- });
-
- // Public alias.
- Doc.prototype.eachLine = Doc.prototype.iter;
-
- // Set up methods on CodeMirror's prototype to redirect to the editor's document.
- var dontDelegate = "iter insert remove copy getEditor".split(" ");
- for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
- CodeMirror.prototype[prop] = (function(method) {
- return function() {return method.apply(this.doc, arguments);};
- })(Doc.prototype[prop]);
-
- eventMixin(Doc);
-
- // Call f for all linked documents.
- function linkedDocs(doc, f, sharedHistOnly) {
- function propagate(doc, skip, sharedHist) {
- if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) {
- var rel = doc.linked[i];
- if (rel.doc == skip) continue;
- var shared = sharedHist && rel.sharedHist;
- if (sharedHistOnly && !shared) continue;
- f(rel.doc, shared);
- propagate(rel.doc, doc, shared);
- }
- }
- propagate(doc, null, true);
- }
-
- // Attach a document to an editor.
- function attachDoc(cm, doc) {
- if (doc.cm) throw new Error("This document is already in use.");
- cm.doc = doc;
- doc.cm = cm;
- estimateLineHeights(cm);
- loadMode(cm);
- if (!cm.options.lineWrapping) findMaxLine(cm);
- cm.options.mode = doc.modeOption;
- regChange(cm);
- }
-
- // LINE UTILITIES
-
- // Find the line object corresponding to the given line number.
- function getLine(doc, n) {
- n -= doc.first;
- if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.");
- for (var chunk = doc; !chunk.lines;) {
- for (var i = 0;; ++i) {
- var child = chunk.children[i], sz = child.chunkSize();
- if (n < sz) { chunk = child; break; }
- n -= sz;
- }
- }
- return chunk.lines[n];
- }
-
- // Get the part of a document between two positions, as an array of
- // strings.
- function getBetween(doc, start, end) {
- var out = [], n = start.line;
- doc.iter(start.line, end.line + 1, function(line) {
- var text = line.text;
- if (n == end.line) text = text.slice(0, end.ch);
- if (n == start.line) text = text.slice(start.ch);
- out.push(text);
- ++n;
- });
- return out;
- }
- // Get the lines between from and to, as array of strings.
- function getLines(doc, from, to) {
- var out = [];
- doc.iter(from, to, function(line) { out.push(line.text); });
- return out;
- }
-
- // Update the height of a line, propagating the height change
- // upwards to parent nodes.
- function updateLineHeight(line, height) {
- var diff = height - line.height;
- if (diff) for (var n = line; n; n = n.parent) n.height += diff;
- }
-
- // Given a line object, find its line number by walking up through
- // its parent links.
- function lineNo(line) {
- if (line.parent == null) return null;
- var cur = line.parent, no = indexOf(cur.lines, line);
- for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
- for (var i = 0;; ++i) {
- if (chunk.children[i] == cur) break;
- no += chunk.children[i].chunkSize();
- }
- }
- return no + cur.first;
- }
-
- // Find the line at the given vertical position, using the height
- // information in the document tree.
- function lineAtHeight(chunk, h) {
- var n = chunk.first;
- outer: do {
- for (var i = 0; i < chunk.children.length; ++i) {
- var child = chunk.children[i], ch = child.height;
- if (h < ch) { chunk = child; continue outer; }
- h -= ch;
- n += child.chunkSize();
- }
- return n;
- } while (!chunk.lines);
- for (var i = 0; i < chunk.lines.length; ++i) {
- var line = chunk.lines[i], lh = line.height;
- if (h < lh) break;
- h -= lh;
- }
- return n + i;
- }
-
-
- // Find the height above the given line.
- function heightAtLine(lineObj) {
- lineObj = visualLine(lineObj);
-
- var h = 0, chunk = lineObj.parent;
- for (var i = 0; i < chunk.lines.length; ++i) {
- var line = chunk.lines[i];
- if (line == lineObj) break;
- else h += line.height;
- }
- for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
- for (var i = 0; i < p.children.length; ++i) {
- var cur = p.children[i];
- if (cur == chunk) break;
- else h += cur.height;
- }
- }
- return h;
- }
-
- // Get the bidi ordering for the given line (and cache it). Returns
- // false for lines that are fully left-to-right, and an array of
- // BidiSpan objects otherwise.
- function getOrder(line) {
- var order = line.order;
- if (order == null) order = line.order = bidiOrdering(line.text);
- return order;
- }
-
- // HISTORY
-
- function History(startGen) {
- // Arrays of change events and selections. Doing something adds an
- // event to done and clears undo. Undoing moves events from done
- // to undone, redoing moves them in the other direction.
- this.done = []; this.undone = [];
- this.undoDepth = Infinity;
- // Used to track when changes can be merged into a single undo
- // event
- this.lastModTime = this.lastSelTime = 0;
- this.lastOp = this.lastSelOp = null;
- this.lastOrigin = this.lastSelOrigin = null;
- // Used by the isClean() method
- this.generation = this.maxGeneration = startGen || 1;
- }
-
- // Create a history change event from an updateDoc-style change
- // object.
- function historyChangeFromChange(doc, change) {
- var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
- attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
- linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true);
- return histChange;
- }
-
- // Pop all selection events off the end of a history array. Stop at
- // a change event.
- function clearSelectionEvents(array) {
- while (array.length) {
- var last = lst(array);
- if (last.ranges) array.pop();
- else break;
- }
- }
-
- // Find the top change event in the history. Pop off selection
- // events that are in the way.
- function lastChangeEvent(hist, force) {
- if (force) {
- clearSelectionEvents(hist.done);
- return lst(hist.done);
- } else if (hist.done.length && !lst(hist.done).ranges) {
- return lst(hist.done);
- } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
- hist.done.pop();
- return lst(hist.done);
- }
- }
-
- // Register a change in the history. Merges changes that are within
- // a single operation, ore are close together with an origin that
- // allows merging (starting with "+") into a single event.
- function addChangeToHistory(doc, change, selAfter, opId) {
- var hist = doc.history;
- hist.undone.length = 0;
- var time = +new Date, cur;
-
- if ((hist.lastOp == opId ||
- hist.lastOrigin == change.origin && change.origin &&
- ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
- change.origin.charAt(0) == "*")) &&
- (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
- // Merge this change into the last event
- var last = lst(cur.changes);
- if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
- // Optimized case for simple insertion -- don't want to add
- // new changesets for every character typed
- last.to = changeEnd(change);
- } else {
- // Add new sub-event
- cur.changes.push(historyChangeFromChange(doc, change));
- }
- } else {
- // Can not be merged, start a new event.
- var before = lst(hist.done);
- if (!before || !before.ranges)
- pushSelectionToHistory(doc.sel, hist.done);
- cur = {changes: [historyChangeFromChange(doc, change)],
- generation: hist.generation};
- hist.done.push(cur);
- while (hist.done.length > hist.undoDepth) {
- hist.done.shift();
- if (!hist.done[0].ranges) hist.done.shift();
- }
- }
- hist.done.push(selAfter);
- hist.generation = ++hist.maxGeneration;
- hist.lastModTime = hist.lastSelTime = time;
- hist.lastOp = hist.lastSelOp = opId;
- hist.lastOrigin = hist.lastSelOrigin = change.origin;
-
- if (!last) signal(doc, "historyAdded");
- }
-
- function selectionEventCanBeMerged(doc, origin, prev, sel) {
- var ch = origin.charAt(0);
- return ch == "*" ||
- ch == "+" &&
- prev.ranges.length == sel.ranges.length &&
- prev.somethingSelected() == sel.somethingSelected() &&
- new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500);
- }
-
- // Called whenever the selection changes, sets the new selection as
- // the pending selection in the history, and pushes the old pending
- // selection into the 'done' array when it was significantly
- // different (in number of selected ranges, emptiness, or time).
- function addSelectionToHistory(doc, sel, opId, options) {
- var hist = doc.history, origin = options && options.origin;
-
- // A new event is started when the previous origin does not match
- // the current, or the origins don't allow matching. Origins
- // starting with * are always merged, those starting with + are
- // merged when similar and close together in time.
- if (opId == hist.lastSelOp ||
- (origin && hist.lastSelOrigin == origin &&
- (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
- selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
- hist.done[hist.done.length - 1] = sel;
- else
- pushSelectionToHistory(sel, hist.done);
-
- hist.lastSelTime = +new Date;
- hist.lastSelOrigin = origin;
- hist.lastSelOp = opId;
- if (options && options.clearRedo !== false)
- clearSelectionEvents(hist.undone);
- }
-
- function pushSelectionToHistory(sel, dest) {
- var top = lst(dest);
- if (!(top && top.ranges && top.equals(sel)))
- dest.push(sel);
- }
-
- // Used to store marked span information in the history.
- function attachLocalSpans(doc, change, from, to) {
- var existing = change["spans_" + doc.id], n = 0;
- doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) {
- if (line.markedSpans)
- (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
- ++n;
- });
- }
-
- // When un/re-doing restores text containing marked spans, those
- // that have been explicitly cleared should not be restored.
- function removeClearedSpans(spans) {
- if (!spans) return null;
- for (var i = 0, out; i < spans.length; ++i) {
- if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
- else if (out) out.push(spans[i]);
- }
- return !out ? spans : out.length ? out : null;
- }
-
- // Retrieve and filter the old marked spans stored in a change event.
- function getOldSpans(doc, change) {
- var found = change["spans_" + doc.id];
- if (!found) return null;
- for (var i = 0, nw = []; i < change.text.length; ++i)
- nw.push(removeClearedSpans(found[i]));
- return nw;
- }
-
- // Used both to provide a JSON-safe object in .getHistory, and, when
- // detaching a document, to split the history in two
- function copyHistoryArray(events, newGroup, instantiateSel) {
- for (var i = 0, copy = []; i < events.length; ++i) {
- var event = events[i];
- if (event.ranges) {
- copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
- continue;
- }
- var changes = event.changes, newChanges = [];
- copy.push({changes: newChanges});
- for (var j = 0; j < changes.length; ++j) {
- var change = changes[j], m;
- newChanges.push({from: change.from, to: change.to, text: change.text});
- if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) {
- if (indexOf(newGroup, Number(m[1])) > -1) {
- lst(newChanges)[prop] = change[prop];
- delete change[prop];
- }
- }
- }
- }
- return copy;
- }
-
- // Rebasing/resetting history to deal with externally-sourced changes
-
- function rebaseHistSelSingle(pos, from, to, diff) {
- if (to < pos.line) {
- pos.line += diff;
- } else if (from < pos.line) {
- pos.line = from;
- pos.ch = 0;
- }
- }
-
- // Tries to rebase an array of history events given a change in the
- // document. If the change touches the same lines as the event, the
- // event, and everything 'behind' it, is discarded. If the change is
- // before the event, the event's positions are updated. Uses a
- // copy-on-write scheme for the positions, to avoid having to
- // reallocate them all on every rebase, but also avoid problems with
- // shared position objects being unsafely updated.
- function rebaseHistArray(array, from, to, diff) {
- for (var i = 0; i < array.length; ++i) {
- var sub = array[i], ok = true;
- if (sub.ranges) {
- if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
- for (var j = 0; j < sub.ranges.length; j++) {
- rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
- rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
- }
- continue;
- }
- for (var j = 0; j < sub.changes.length; ++j) {
- var cur = sub.changes[j];
- if (to < cur.from.line) {
- cur.from = Pos(cur.from.line + diff, cur.from.ch);
- cur.to = Pos(cur.to.line + diff, cur.to.ch);
- } else if (from <= cur.to.line) {
- ok = false;
- break;
- }
- }
- if (!ok) {
- array.splice(0, i + 1);
- i = 0;
- }
- }
- }
-
- function rebaseHist(hist, change) {
- var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
- rebaseHistArray(hist.done, from, to, diff);
- rebaseHistArray(hist.undone, from, to, diff);
- }
-
- // EVENT UTILITIES
-
- // Due to the fact that we still support jurassic IE versions, some
- // compatibility wrappers are needed.
-
- var e_preventDefault = CodeMirror.e_preventDefault = function(e) {
- if (e.preventDefault) e.preventDefault();
- else e.returnValue = false;
- };
- var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) {
- if (e.stopPropagation) e.stopPropagation();
- else e.cancelBubble = true;
- };
- function e_defaultPrevented(e) {
- return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
- }
- var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);};
-
- function e_target(e) {return e.target || e.srcElement;}
- function e_button(e) {
- var b = e.which;
- if (b == null) {
- if (e.button & 1) b = 1;
- else if (e.button & 2) b = 3;
- else if (e.button & 4) b = 2;
- }
- if (mac && e.ctrlKey && b == 1) b = 3;
- return b;
- }
-
- // EVENT HANDLING
-
- // Lightweight event framework. on/off also work on DOM nodes,
- // registering native DOM handlers.
-
- var on = CodeMirror.on = function(emitter, type, f) {
- if (emitter.addEventListener)
- emitter.addEventListener(type, f, false);
- else if (emitter.attachEvent)
- emitter.attachEvent("on" + type, f);
- else {
- var map = emitter._handlers || (emitter._handlers = {});
- var arr = map[type] || (map[type] = []);
- arr.push(f);
- }
- };
-
- var off = CodeMirror.off = function(emitter, type, f) {
- if (emitter.removeEventListener)
- emitter.removeEventListener(type, f, false);
- else if (emitter.detachEvent)
- emitter.detachEvent("on" + type, f);
- else {
- var arr = emitter._handlers && emitter._handlers[type];
- if (!arr) return;
- for (var i = 0; i < arr.length; ++i)
- if (arr[i] == f) { arr.splice(i, 1); break; }
- }
- };
-
- var signal = CodeMirror.signal = function(emitter, type /*, values...*/) {
- var arr = emitter._handlers && emitter._handlers[type];
- if (!arr) return;
- var args = Array.prototype.slice.call(arguments, 2);
- for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args);
- };
-
- var orphanDelayedCallbacks = null;
-
- // Often, we want to signal events at a point where we are in the
- // middle of some work, but don't want the handler to start calling
- // other methods on the editor, which might be in an inconsistent
- // state or simply not expect any other events to happen.
- // signalLater looks whether there are any handlers, and schedules
- // them to be executed when the last operation ends, or, if no
- // operation is active, when a timeout fires.
- function signalLater(emitter, type /*, values...*/) {
- var arr = emitter._handlers && emitter._handlers[type];
- if (!arr) return;
- var args = Array.prototype.slice.call(arguments, 2), list;
- if (operationGroup) {
- list = operationGroup.delayedCallbacks;
- } else if (orphanDelayedCallbacks) {
- list = orphanDelayedCallbacks;
- } else {
- list = orphanDelayedCallbacks = [];
- setTimeout(fireOrphanDelayed, 0);
- }
- function bnd(f) {return function(){f.apply(null, args);};};
- for (var i = 0; i < arr.length; ++i)
- list.push(bnd(arr[i]));
- }
-
- function fireOrphanDelayed() {
- var delayed = orphanDelayedCallbacks;
- orphanDelayedCallbacks = null;
- for (var i = 0; i < delayed.length; ++i) delayed[i]();
- }
-
- // The DOM events that CodeMirror handles can be overridden by
- // registering a (non-DOM) handler on the editor for the event name,
- // and preventDefault-ing the event in that handler.
- function signalDOMEvent(cm, e, override) {
- if (typeof e == "string")
- e = {type: e, preventDefault: function() { this.defaultPrevented = true; }};
- signal(cm, override || e.type, cm, e);
- return e_defaultPrevented(e) || e.codemirrorIgnore;
- }
-
- function signalCursorActivity(cm) {
- var arr = cm._handlers && cm._handlers.cursorActivity;
- if (!arr) return;
- var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
- for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1)
- set.push(arr[i]);
- }
-
- function hasHandler(emitter, type) {
- var arr = emitter._handlers && emitter._handlers[type];
- return arr && arr.length > 0;
- }
-
- // Add on and off methods to a constructor's prototype, to make
- // registering events on such objects more convenient.
- function eventMixin(ctor) {
- ctor.prototype.on = function(type, f) {on(this, type, f);};
- ctor.prototype.off = function(type, f) {off(this, type, f);};
- }
-
- // MISC UTILITIES
-
- // Number of pixels added to scroller and sizer to hide scrollbar
- var scrollerCutOff = 30;
-
- // Returned or thrown by various protocols to signal 'I'm not
- // handling this'.
- var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
-
- // Reused option objects for setSelection & friends
- var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
-
- function Delayed() {this.id = null;}
- Delayed.prototype.set = function(ms, f) {
- clearTimeout(this.id);
- this.id = setTimeout(f, ms);
- };
-
- // Counts the column offset in a string, taking tabs into account.
- // Used mostly to find indentation.
- var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) {
- if (end == null) {
- end = string.search(/[^\s\u00a0]/);
- if (end == -1) end = string.length;
- }
- for (var i = startIndex || 0, n = startValue || 0;;) {
- var nextTab = string.indexOf("\t", i);
- if (nextTab < 0 || nextTab >= end)
- return n + (end - i);
- n += nextTab - i;
- n += tabSize - (n % tabSize);
- i = nextTab + 1;
- }
- };
-
- // The inverse of countColumn -- find the offset that corresponds to
- // a particular column.
- function findColumn(string, goal, tabSize) {
- for (var pos = 0, col = 0;;) {
- var nextTab = string.indexOf("\t", pos);
- if (nextTab == -1) nextTab = string.length;
- var skipped = nextTab - pos;
- if (nextTab == string.length || col + skipped >= goal)
- return pos + Math.min(skipped, goal - col);
- col += nextTab - pos;
- col += tabSize - (col % tabSize);
- pos = nextTab + 1;
- if (col >= goal) return pos;
- }
- }
-
- var spaceStrs = [""];
- function spaceStr(n) {
- while (spaceStrs.length <= n)
- spaceStrs.push(lst(spaceStrs) + " ");
- return spaceStrs[n];
- }
-
- function lst(arr) { return arr[arr.length-1]; }
-
- var selectInput = function(node) { node.select(); };
- if (ios) // Mobile Safari apparently has a bug where select() is broken.
- selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; };
- else if (ie) // Suppress mysterious IE10 errors
- selectInput = function(node) { try { node.select(); } catch(_e) {} };
-
- function indexOf(array, elt) {
- for (var i = 0; i < array.length; ++i)
- if (array[i] == elt) return i;
- return -1;
- }
- if ([].indexOf) indexOf = function(array, elt) { return array.indexOf(elt); };
- function map(array, f) {
- var out = [];
- for (var i = 0; i < array.length; i++) out[i] = f(array[i], i);
- return out;
- }
- if ([].map) map = function(array, f) { return array.map(f); };
-
- function createObj(base, props) {
- var inst;
- if (Object.create) {
- inst = Object.create(base);
- } else {
- var ctor = function() {};
- ctor.prototype = base;
- inst = new ctor();
- }
- if (props) copyObj(props, inst);
- return inst;
- };
-
- function copyObj(obj, target, overwrite) {
- if (!target) target = {};
- for (var prop in obj)
- if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
- target[prop] = obj[prop];
- return target;
- }
-
- function bind(f) {
- var args = Array.prototype.slice.call(arguments, 1);
- return function(){return f.apply(null, args);};
- }
-
- var nonASCIISingleCaseWordChar = /[\u00df\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
- var isWordCharBasic = CodeMirror.isWordChar = function(ch) {
- return /\w/.test(ch) || ch > "\x80" &&
- (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
- };
- function isWordChar(ch, helper) {
- if (!helper) return isWordCharBasic(ch);
- if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true;
- return helper.test(ch);
- }
-
- function isEmpty(obj) {
- for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false;
- return true;
- }
-
- // Extending unicode characters. A series of a non-extending char +
- // any number of extending chars is treated as a single unit as far
- // as editing and measuring is concerned. This is not fully correct,
- // since some scripts/fonts/browsers also treat other configurations
- // of code points as a group.
- var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
- function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); }
-
- // DOM UTILITIES
-
- function elt(tag, content, className, style) {
- var e = document.createElement(tag);
- if (className) e.className = className;
- if (style) e.style.cssText = style;
- if (typeof content == "string") e.appendChild(document.createTextNode(content));
- else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
- return e;
- }
-
- var range;
- if (document.createRange) range = function(node, start, end) {
- var r = document.createRange();
- r.setEnd(node, end);
- r.setStart(node, start);
- return r;
- };
- else range = function(node, start, end) {
- var r = document.body.createTextRange();
- try { r.moveToElementText(node.parentNode); }
- catch(e) { return r; }
- r.collapse(true);
- r.moveEnd("character", end);
- r.moveStart("character", start);
- return r;
- };
-
- function removeChildren(e) {
- for (var count = e.childNodes.length; count > 0; --count)
- e.removeChild(e.firstChild);
- return e;
- }
-
- function removeChildrenAndAdd(parent, e) {
- return removeChildren(parent).appendChild(e);
- }
-
- function contains(parent, child) {
- if (parent.contains)
- return parent.contains(child);
- while (child = child.parentNode)
- if (child == parent) return true;
- }
-
- function activeElt() { return document.activeElement; }
- // Older versions of IE throws unspecified error when touching
- // document.activeElement in some cases (during loading, in iframe)
- if (ie && ie_version < 11) activeElt = function() {
- try { return document.activeElement; }
- catch(e) { return document.body; }
- };
-
- function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); }
- var rmClass = CodeMirror.rmClass = function(node, cls) {
- var current = node.className;
- var match = classTest(cls).exec(current);
- if (match) {
- var after = current.slice(match.index + match[0].length);
- node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
- }
- };
- var addClass = CodeMirror.addClass = function(node, cls) {
- var current = node.className;
- if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls;
- };
- function joinClasses(a, b) {
- var as = a.split(" ");
- for (var i = 0; i < as.length; i++)
- if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i];
- return b;
- }
-
- // WINDOW-WIDE EVENTS
-
- // These must be handled carefully, because naively registering a
- // handler for each editor will cause the editors to never be
- // garbage collected.
-
- function forEachCodeMirror(f) {
- if (!document.body.getElementsByClassName) return;
- var byClass = document.body.getElementsByClassName("CodeMirror");
- for (var i = 0; i < byClass.length; i++) {
- var cm = byClass[i].CodeMirror;
- if (cm) f(cm);
- }
- }
-
- var globalsRegistered = false;
- function ensureGlobalHandlers() {
- if (globalsRegistered) return;
- registerGlobalHandlers();
- globalsRegistered = true;
- }
- function registerGlobalHandlers() {
- // When the window resizes, we need to refresh active editors.
- var resizeTimer;
- on(window, "resize", function() {
- if (resizeTimer == null) resizeTimer = setTimeout(function() {
- resizeTimer = null;
- knownScrollbarWidth = null;
- forEachCodeMirror(onResize);
- }, 100);
- });
- // When the window loses focus, we want to show the editor as blurred
- on(window, "blur", function() {
- forEachCodeMirror(onBlur);
- });
- }
-
- // FEATURE DETECTION
-
- // Detect drag-and-drop
- var dragAndDrop = function() {
- // There is *some* kind of drag-and-drop support in IE6-8, but I
- // couldn't get it to work yet.
- if (ie && ie_version < 9) return false;
- var div = elt('div');
- return "draggable" in div || "dragDrop" in div;
- }();
-
- var knownScrollbarWidth;
- function scrollbarWidth(measure) {
- if (knownScrollbarWidth != null) return knownScrollbarWidth;
- var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll");
- removeChildrenAndAdd(measure, test);
- if (test.offsetWidth)
- knownScrollbarWidth = test.offsetHeight - test.clientHeight;
- return knownScrollbarWidth || 0;
- }
-
- var zwspSupported;
- function zeroWidthElement(measure) {
- if (zwspSupported == null) {
- var test = elt("span", "\u200b");
- removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
- if (measure.firstChild.offsetHeight != 0)
- zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);
- }
- if (zwspSupported) return elt("span", "\u200b");
- else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
- }
-
- // Feature-detect IE's crummy client rect reporting for bidi text
- var badBidiRects;
- function hasBadBidiRects(measure) {
- if (badBidiRects != null) return badBidiRects;
- var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
- var r0 = range(txt, 0, 1).getBoundingClientRect();
- if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780)
- var r1 = range(txt, 1, 2).getBoundingClientRect();
- return badBidiRects = (r1.right - r0.right < 3);
- }
-
- // See if "".split is the broken IE version, if so, provide an
- // alternative way to split lines.
- var splitLines = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
- var pos = 0, result = [], l = string.length;
- while (pos <= l) {
- var nl = string.indexOf("\n", pos);
- if (nl == -1) nl = string.length;
- var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
- var rt = line.indexOf("\r");
- if (rt != -1) {
- result.push(line.slice(0, rt));
- pos += rt + 1;
- } else {
- result.push(line);
- pos = nl + 1;
- }
- }
- return result;
- } : function(string){return string.split(/\r\n?|\n/);};
-
- var hasSelection = window.getSelection ? function(te) {
- try { return te.selectionStart != te.selectionEnd; }
- catch(e) { return false; }
- } : function(te) {
- try {var range = te.ownerDocument.selection.createRange();}
- catch(e) {}
- if (!range || range.parentElement() != te) return false;
- return range.compareEndPoints("StartToEnd", range) != 0;
- };
-
- var hasCopyEvent = (function() {
- var e = elt("div");
- if ("oncopy" in e) return true;
- e.setAttribute("oncopy", "return;");
- return typeof e.oncopy == "function";
- })();
-
- var badZoomedRects = null;
- function hasBadZoomedRects(measure) {
- if (badZoomedRects != null) return badZoomedRects;
- var node = removeChildrenAndAdd(measure, elt("span", "x"));
- var normal = node.getBoundingClientRect();
- var fromRange = range(node, 0, 1).getBoundingClientRect();
- return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1;
- }
-
- // KEY NAMES
-
- var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
- 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
- 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
- 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", 107: "=", 109: "-", 127: "Delete",
- 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
- 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
- 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"};
- CodeMirror.keyNames = keyNames;
- (function() {
- // Number keys
- for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i);
- // Alphabetic keys
- for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
- // Function keys
- for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
- })();
-
- // BIDI HELPERS
-
- function iterateBidiSections(order, from, to, f) {
- if (!order) return f(from, to, "ltr");
- var found = false;
- for (var i = 0; i < order.length; ++i) {
- var part = order[i];
- if (part.from < to && part.to > from || from == to && part.to == from) {
- f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
- found = true;
- }
- }
- if (!found) f(from, to, "ltr");
- }
-
- function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
- function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
-
- function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
- function lineRight(line) {
- var order = getOrder(line);
- if (!order) return line.text.length;
- return bidiRight(lst(order));
- }
-
- function lineStart(cm, lineN) {
- var line = getLine(cm.doc, lineN);
- var visual = visualLine(line);
- if (visual != line) lineN = lineNo(visual);
- var order = getOrder(visual);
- var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
- return Pos(lineN, ch);
- }
- function lineEnd(cm, lineN) {
- var merged, line = getLine(cm.doc, lineN);
- while (merged = collapsedSpanAtEnd(line)) {
- line = merged.find(1, true).line;
- lineN = null;
- }
- var order = getOrder(line);
- var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
- return Pos(lineN == null ? lineNo(line) : lineN, ch);
- }
- function lineStartSmart(cm, pos) {
- var start = lineStart(cm, pos.line);
- var line = getLine(cm.doc, start.line);
- var order = getOrder(line);
- if (!order || order[0].level == 0) {
- var firstNonWS = Math.max(0, line.text.search(/\S/));
- var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
- return Pos(start.line, inWS ? 0 : firstNonWS);
- }
- return start;
- }
-
- function compareBidiLevel(order, a, b) {
- var linedir = order[0].level;
- if (a == linedir) return true;
- if (b == linedir) return false;
- return a < b;
- }
- var bidiOther;
- function getBidiPartAt(order, pos) {
- bidiOther = null;
- for (var i = 0, found; i < order.length; ++i) {
- var cur = order[i];
- if (cur.from < pos && cur.to > pos) return i;
- if ((cur.from == pos || cur.to == pos)) {
- if (found == null) {
- found = i;
- } else if (compareBidiLevel(order, cur.level, order[found].level)) {
- if (cur.from != cur.to) bidiOther = found;
- return i;
- } else {
- if (cur.from != cur.to) bidiOther = i;
- return found;
- }
- }
- }
- return found;
- }
-
- function moveInLine(line, pos, dir, byUnit) {
- if (!byUnit) return pos + dir;
- do pos += dir;
- while (pos > 0 && isExtendingChar(line.text.charAt(pos)));
- return pos;
- }
-
- // This is needed in order to move 'visually' through bi-directional
- // text -- i.e., pressing left should make the cursor go left, even
- // when in RTL text. The tricky part is the 'jumps', where RTL and
- // LTR text touch each other. This often requires the cursor offset
- // to move more than one unit, in order to visually move one unit.
- function moveVisually(line, start, dir, byUnit) {
- var bidi = getOrder(line);
- if (!bidi) return moveLogically(line, start, dir, byUnit);
- var pos = getBidiPartAt(bidi, start), part = bidi[pos];
- var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit);
-
- for (;;) {
- if (target > part.from && target < part.to) return target;
- if (target == part.from || target == part.to) {
- if (getBidiPartAt(bidi, target) == pos) return target;
- part = bidi[pos += dir];
- return (dir > 0) == part.level % 2 ? part.to : part.from;
- } else {
- part = bidi[pos += dir];
- if (!part) return null;
- if ((dir > 0) == part.level % 2)
- target = moveInLine(line, part.to, -1, byUnit);
- else
- target = moveInLine(line, part.from, 1, byUnit);
- }
- }
- }
-
- function moveLogically(line, start, dir, byUnit) {
- var target = start + dir;
- if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir;
- return target < 0 || target > line.text.length ? null : target;
- }
-
- // Bidirectional ordering algorithm
- // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
- // that this (partially) implements.
-
- // One-char codes used for character types:
- // L (L): Left-to-Right
- // R (R): Right-to-Left
- // r (AL): Right-to-Left Arabic
- // 1 (EN): European Number
- // + (ES): European Number Separator
- // % (ET): European Number Terminator
- // n (AN): Arabic Number
- // , (CS): Common Number Separator
- // m (NSM): Non-Spacing Mark
- // b (BN): Boundary Neutral
- // s (B): Paragraph Separator
- // t (S): Segment Separator
- // w (WS): Whitespace
- // N (ON): Other Neutrals
-
- // Returns null if characters are ordered as they appear
- // (left-to-right), or an array of sections ({from, to, level}
- // objects) in the order in which they occur visually.
- var bidiOrdering = (function() {
- // Character types for codepoints 0 to 0xff
- var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
- // Character types for codepoints 0x600 to 0x6ff
- var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm";
- function charType(code) {
- if (code <= 0xf7) return lowTypes.charAt(code);
- else if (0x590 <= code && code <= 0x5f4) return "R";
- else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600);
- else if (0x6ee <= code && code <= 0x8ac) return "r";
- else if (0x2000 <= code && code <= 0x200b) return "w";
- else if (code == 0x200c) return "b";
- else return "L";
- }
-
- var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
- var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
- // Browsers seem to always treat the boundaries of block elements as being L.
- var outerType = "L";
-
- function BidiSpan(level, from, to) {
- this.level = level;
- this.from = from; this.to = to;
- }
-
- return function(str) {
- if (!bidiRE.test(str)) return false;
- var len = str.length, types = [];
- for (var i = 0, type; i < len; ++i)
- types.push(type = charType(str.charCodeAt(i)));
-
- // W1. Examine each non-spacing mark (NSM) in the level run, and
- // change the type of the NSM to the type of the previous
- // character. If the NSM is at the start of the level run, it will
- // get the type of sor.
- for (var i = 0, prev = outerType; i < len; ++i) {
- var type = types[i];
- if (type == "m") types[i] = prev;
- else prev = type;
- }
-
- // W2. Search backwards from each instance of a European number
- // until the first strong type (R, L, AL, or sor) is found. If an
- // AL is found, change the type of the European number to Arabic
- // number.
- // W3. Change all ALs to R.
- for (var i = 0, cur = outerType; i < len; ++i) {
- var type = types[i];
- if (type == "1" && cur == "r") types[i] = "n";
- else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
- }
-
- // W4. A single European separator between two European numbers
- // changes to a European number. A single common separator between
- // two numbers of the same type changes to that type.
- for (var i = 1, prev = types[0]; i < len - 1; ++i) {
- var type = types[i];
- if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
- else if (type == "," && prev == types[i+1] &&
- (prev == "1" || prev == "n")) types[i] = prev;
- prev = type;
- }
-
- // W5. A sequence of European terminators adjacent to European
- // numbers changes to all European numbers.
- // W6. Otherwise, separators and terminators change to Other
- // Neutral.
- for (var i = 0; i < len; ++i) {
- var type = types[i];
- if (type == ",") types[i] = "N";
- else if (type == "%") {
- for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
- var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
- for (var j = i; j < end; ++j) types[j] = replace;
- i = end - 1;
- }
- }
-
- // W7. Search backwards from each instance of a European number
- // until the first strong type (R, L, or sor) is found. If an L is
- // found, then change the type of the European number to L.
- for (var i = 0, cur = outerType; i < len; ++i) {
- var type = types[i];
- if (cur == "L" && type == "1") types[i] = "L";
- else if (isStrong.test(type)) cur = type;
- }
-
- // N1. A sequence of neutrals takes the direction of the
- // surrounding strong text if the text on both sides has the same
- // direction. European and Arabic numbers act as if they were R in
- // terms of their influence on neutrals. Start-of-level-run (sor)
- // and end-of-level-run (eor) are used at level run boundaries.
- // N2. Any remaining neutrals take the embedding direction.
- for (var i = 0; i < len; ++i) {
- if (isNeutral.test(types[i])) {
- for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
- var before = (i ? types[i-1] : outerType) == "L";
- var after = (end < len ? types[end] : outerType) == "L";
- var replace = before || after ? "L" : "R";
- for (var j = i; j < end; ++j) types[j] = replace;
- i = end - 1;
- }
- }
-
- // Here we depart from the documented algorithm, in order to avoid
- // building up an actual levels array. Since there are only three
- // levels (0, 1, 2) in an implementation that doesn't take
- // explicit embedding into account, we can build up the order on
- // the fly, without following the level-based algorithm.
- var order = [], m;
- for (var i = 0; i < len;) {
- if (countsAsLeft.test(types[i])) {
- var start = i;
- for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
- order.push(new BidiSpan(0, start, i));
- } else {
- var pos = i, at = order.length;
- for (++i; i < len && types[i] != "L"; ++i) {}
- for (var j = pos; j < i;) {
- if (countsAsNum.test(types[j])) {
- if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j));
- var nstart = j;
- for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
- order.splice(at, 0, new BidiSpan(2, nstart, j));
- pos = j;
- } else ++j;
- }
- if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i));
- }
- }
- if (order[0].level == 1 && (m = str.match(/^\s+/))) {
- order[0].from = m[0].length;
- order.unshift(new BidiSpan(0, 0, m[0].length));
- }
- if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
- lst(order).to -= m[0].length;
- order.push(new BidiSpan(0, len - m[0].length, len));
- }
- if (order[0].level != lst(order).level)
- order.push(new BidiSpan(order[0].level, len, len));
-
- return order;
- };
- })();
-
- // THE END
-
- CodeMirror.version = "4.8.0";
-
- return CodeMirror;
-});
diff --git a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/css/css.js b/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/css/css.js
deleted file mode 100644
index 55082bf..0000000
--- a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/css/css.js
+++ /dev/null
@@ -1,717 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.defineMode("css", function(config, parserConfig) {
- if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css");
-
- var indentUnit = config.indentUnit,
- tokenHooks = parserConfig.tokenHooks,
- mediaTypes = parserConfig.mediaTypes || {},
- mediaFeatures = parserConfig.mediaFeatures || {},
- propertyKeywords = parserConfig.propertyKeywords || {},
- nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {},
- colorKeywords = parserConfig.colorKeywords || {},
- valueKeywords = parserConfig.valueKeywords || {},
- fontProperties = parserConfig.fontProperties || {},
- allowNested = parserConfig.allowNested;
-
- var type, override;
- function ret(style, tp) { type = tp; return style; }
-
- // Tokenizers
-
- function tokenBase(stream, state) {
- var ch = stream.next();
- if (tokenHooks[ch]) {
- var result = tokenHooks[ch](stream, state);
- if (result !== false) return result;
- }
- if (ch == "@") {
- stream.eatWhile(/[\w\\\-]/);
- return ret("def", stream.current());
- } else if (ch == "=" || (ch == "~" || ch == "|") && stream.eat("=")) {
- return ret(null, "compare");
- } else if (ch == "\"" || ch == "'") {
- state.tokenize = tokenString(ch);
- return state.tokenize(stream, state);
- } else if (ch == "#") {
- stream.eatWhile(/[\w\\\-]/);
- return ret("atom", "hash");
- } else if (ch == "!") {
- stream.match(/^\s*\w*/);
- return ret("keyword", "important");
- } else if (/\d/.test(ch) || ch == "." && stream.eat(/\d/)) {
- stream.eatWhile(/[\w.%]/);
- return ret("number", "unit");
- } else if (ch === "-") {
- if (/[\d.]/.test(stream.peek())) {
- stream.eatWhile(/[\w.%]/);
- return ret("number", "unit");
- } else if (stream.match(/^\w+-/)) {
- return ret("meta", "meta");
- }
- } else if (/[,+>*\/]/.test(ch)) {
- return ret(null, "select-op");
- } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
- return ret("qualifier", "qualifier");
- } else if (/[:;{}\[\]\(\)]/.test(ch)) {
- return ret(null, ch);
- } else if (ch == "u" && stream.match("rl(")) {
- stream.backUp(1);
- state.tokenize = tokenParenthesized;
- return ret("property", "word");
- } else if (/[\w\\\-]/.test(ch)) {
- stream.eatWhile(/[\w\\\-]/);
- return ret("property", "word");
- } else {
- return ret(null, null);
- }
- }
-
- function tokenString(quote) {
- return function(stream, state) {
- var escaped = false, ch;
- while ((ch = stream.next()) != null) {
- if (ch == quote && !escaped) {
- if (quote == ")") stream.backUp(1);
- break;
- }
- escaped = !escaped && ch == "\\";
- }
- if (ch == quote || !escaped && quote != ")") state.tokenize = null;
- return ret("string", "string");
- };
- }
-
- function tokenParenthesized(stream, state) {
- stream.next(); // Must be '('
- if (!stream.match(/\s*[\"\')]/, false))
- state.tokenize = tokenString(")");
- else
- state.tokenize = null;
- return ret(null, "(");
- }
-
- // Context management
-
- function Context(type, indent, prev) {
- this.type = type;
- this.indent = indent;
- this.prev = prev;
- }
-
- function pushContext(state, stream, type) {
- state.context = new Context(type, stream.indentation() + indentUnit, state.context);
- return type;
- }
-
- function popContext(state) {
- state.context = state.context.prev;
- return state.context.type;
- }
-
- function pass(type, stream, state) {
- return states[state.context.type](type, stream, state);
- }
- function popAndPass(type, stream, state, n) {
- for (var i = n || 1; i > 0; i--)
- state.context = state.context.prev;
- return pass(type, stream, state);
- }
-
- // Parser
-
- function wordAsValue(stream) {
- var word = stream.current().toLowerCase();
- if (valueKeywords.hasOwnProperty(word))
- override = "atom";
- else if (colorKeywords.hasOwnProperty(word))
- override = "keyword";
- else
- override = "variable";
- }
-
- var states = {};
-
- states.top = function(type, stream, state) {
- if (type == "{") {
- return pushContext(state, stream, "block");
- } else if (type == "}" && state.context.prev) {
- return popContext(state);
- } else if (type == "@media") {
- return pushContext(state, stream, "media");
- } else if (type == "@font-face") {
- return "font_face_before";
- } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/.test(type)) {
- return "keyframes";
- } else if (type && type.charAt(0) == "@") {
- return pushContext(state, stream, "at");
- } else if (type == "hash") {
- override = "builtin";
- } else if (type == "word") {
- override = "tag";
- } else if (type == "variable-definition") {
- return "maybeprop";
- } else if (type == "interpolation") {
- return pushContext(state, stream, "interpolation");
- } else if (type == ":") {
- return "pseudo";
- } else if (allowNested && type == "(") {
- return pushContext(state, stream, "parens");
- }
- return state.context.type;
- };
-
- states.block = function(type, stream, state) {
- if (type == "word") {
- var word = stream.current().toLowerCase();
- if (propertyKeywords.hasOwnProperty(word)) {
- override = "property";
- return "maybeprop";
- } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {
- override = "string-2";
- return "maybeprop";
- } else if (allowNested) {
- override = stream.match(/^\s*:(?:\s|$)/, false) ? "property" : "tag";
- return "block";
- } else {
- override += " error";
- return "maybeprop";
- }
- } else if (type == "meta") {
- return "block";
- } else if (!allowNested && (type == "hash" || type == "qualifier")) {
- override = "error";
- return "block";
- } else {
- return states.top(type, stream, state);
- }
- };
-
- states.maybeprop = function(type, stream, state) {
- if (type == ":") return pushContext(state, stream, "prop");
- return pass(type, stream, state);
- };
-
- states.prop = function(type, stream, state) {
- if (type == ";") return popContext(state);
- if (type == "{" && allowNested) return pushContext(state, stream, "propBlock");
- if (type == "}" || type == "{") return popAndPass(type, stream, state);
- if (type == "(") return pushContext(state, stream, "parens");
-
- if (type == "hash" && !/^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/.test(stream.current())) {
- override += " error";
- } else if (type == "word") {
- wordAsValue(stream);
- } else if (type == "interpolation") {
- return pushContext(state, stream, "interpolation");
- }
- return "prop";
- };
-
- states.propBlock = function(type, _stream, state) {
- if (type == "}") return popContext(state);
- if (type == "word") { override = "property"; return "maybeprop"; }
- return state.context.type;
- };
-
- states.parens = function(type, stream, state) {
- if (type == "{" || type == "}") return popAndPass(type, stream, state);
- if (type == ")") return popContext(state);
- if (type == "(") return pushContext(state, stream, "parens");
- if (type == "word") wordAsValue(stream);
- return "parens";
- };
-
- states.pseudo = function(type, stream, state) {
- if (type == "word") {
- override = "variable-3";
- return state.context.type;
- }
- return pass(type, stream, state);
- };
-
- states.media = function(type, stream, state) {
- if (type == "(") return pushContext(state, stream, "media_parens");
- if (type == "}") return popAndPass(type, stream, state);
- if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top");
-
- if (type == "word") {
- var word = stream.current().toLowerCase();
- if (word == "only" || word == "not" || word == "and")
- override = "keyword";
- else if (mediaTypes.hasOwnProperty(word))
- override = "attribute";
- else if (mediaFeatures.hasOwnProperty(word))
- override = "property";
- else
- override = "error";
- }
- return state.context.type;
- };
-
- states.media_parens = function(type, stream, state) {
- if (type == ")") return popContext(state);
- if (type == "{" || type == "}") return popAndPass(type, stream, state, 2);
- return states.media(type, stream, state);
- };
-
- states.font_face_before = function(type, stream, state) {
- if (type == "{")
- return pushContext(state, stream, "font_face");
- return pass(type, stream, state);
- };
-
- states.font_face = function(type, stream, state) {
- if (type == "}") return popContext(state);
- if (type == "word") {
- if (!fontProperties.hasOwnProperty(stream.current().toLowerCase()))
- override = "error";
- else
- override = "property";
- return "maybeprop";
- }
- return "font_face";
- };
-
- states.keyframes = function(type, stream, state) {
- if (type == "word") { override = "variable"; return "keyframes"; }
- if (type == "{") return pushContext(state, stream, "top");
- return pass(type, stream, state);
- };
-
- states.at = function(type, stream, state) {
- if (type == ";") return popContext(state);
- if (type == "{" || type == "}") return popAndPass(type, stream, state);
- if (type == "word") override = "tag";
- else if (type == "hash") override = "builtin";
- return "at";
- };
-
- states.interpolation = function(type, stream, state) {
- if (type == "}") return popContext(state);
- if (type == "{" || type == ";") return popAndPass(type, stream, state);
- if (type != "variable") override = "error";
- return "interpolation";
- };
-
- return {
- startState: function(base) {
- return {tokenize: null,
- state: "top",
- context: new Context("top", base || 0, null)};
- },
-
- token: function(stream, state) {
- if (!state.tokenize && stream.eatSpace()) return null;
- var style = (state.tokenize || tokenBase)(stream, state);
- if (style && typeof style == "object") {
- type = style[1];
- style = style[0];
- }
- override = style;
- state.state = states[state.state](type, stream, state);
- return override;
- },
-
- indent: function(state, textAfter) {
- var cx = state.context, ch = textAfter && textAfter.charAt(0);
- var indent = cx.indent;
- if (cx.type == "prop" && (ch == "}" || ch == ")")) cx = cx.prev;
- if (cx.prev &&
- (ch == "}" && (cx.type == "block" || cx.type == "top" || cx.type == "interpolation" || cx.type == "font_face") ||
- ch == ")" && (cx.type == "parens" || cx.type == "media_parens") ||
- ch == "{" && (cx.type == "at" || cx.type == "media"))) {
- indent = cx.indent - indentUnit;
- cx = cx.prev;
- }
- return indent;
- },
-
- electricChars: "}",
- blockCommentStart: "/*",
- blockCommentEnd: "*/",
- fold: "brace"
- };
-});
-
- function keySet(array) {
- var keys = {};
- for (var i = 0; i < array.length; ++i) {
- keys[array[i]] = true;
- }
- return keys;
- }
-
- var mediaTypes_ = [
- "all", "aural", "braille", "handheld", "print", "projection", "screen",
- "tty", "tv", "embossed"
- ], mediaTypes = keySet(mediaTypes_);
-
- var mediaFeatures_ = [
- "width", "min-width", "max-width", "height", "min-height", "max-height",
- "device-width", "min-device-width", "max-device-width", "device-height",
- "min-device-height", "max-device-height", "aspect-ratio",
- "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
- "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
- "max-color", "color-index", "min-color-index", "max-color-index",
- "monochrome", "min-monochrome", "max-monochrome", "resolution",
- "min-resolution", "max-resolution", "scan", "grid"
- ], mediaFeatures = keySet(mediaFeatures_);
-
- var propertyKeywords_ = [
- "align-content", "align-items", "align-self", "alignment-adjust",
- "alignment-baseline", "anchor-point", "animation", "animation-delay",
- "animation-direction", "animation-duration", "animation-fill-mode",
- "animation-iteration-count", "animation-name", "animation-play-state",
- "animation-timing-function", "appearance", "azimuth", "backface-visibility",
- "background", "background-attachment", "background-clip", "background-color",
- "background-image", "background-origin", "background-position",
- "background-repeat", "background-size", "baseline-shift", "binding",
- "bleed", "bookmark-label", "bookmark-level", "bookmark-state",
- "bookmark-target", "border", "border-bottom", "border-bottom-color",
- "border-bottom-left-radius", "border-bottom-right-radius",
- "border-bottom-style", "border-bottom-width", "border-collapse",
- "border-color", "border-image", "border-image-outset",
- "border-image-repeat", "border-image-slice", "border-image-source",
- "border-image-width", "border-left", "border-left-color",
- "border-left-style", "border-left-width", "border-radius", "border-right",
- "border-right-color", "border-right-style", "border-right-width",
- "border-spacing", "border-style", "border-top", "border-top-color",
- "border-top-left-radius", "border-top-right-radius", "border-top-style",
- "border-top-width", "border-width", "bottom", "box-decoration-break",
- "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
- "caption-side", "clear", "clip", "color", "color-profile", "column-count",
- "column-fill", "column-gap", "column-rule", "column-rule-color",
- "column-rule-style", "column-rule-width", "column-span", "column-width",
- "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
- "cue-after", "cue-before", "cursor", "direction", "display",
- "dominant-baseline", "drop-initial-after-adjust",
- "drop-initial-after-align", "drop-initial-before-adjust",
- "drop-initial-before-align", "drop-initial-size", "drop-initial-value",
- "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",
- "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",
- "float", "float-offset", "flow-from", "flow-into", "font", "font-feature-settings",
- "font-family", "font-kerning", "font-language-override", "font-size", "font-size-adjust",
- "font-stretch", "font-style", "font-synthesis", "font-variant",
- "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
- "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
- "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow",
- "grid-auto-position", "grid-auto-rows", "grid-column", "grid-column-end",
- "grid-column-start", "grid-row", "grid-row-end", "grid-row-start",
- "grid-template", "grid-template-areas", "grid-template-columns",
- "grid-template-rows", "hanging-punctuation", "height", "hyphens",
- "icon", "image-orientation", "image-rendering", "image-resolution",
- "inline-box-align", "justify-content", "left", "letter-spacing",
- "line-break", "line-height", "line-stacking", "line-stacking-ruby",
- "line-stacking-shift", "line-stacking-strategy", "list-style",
- "list-style-image", "list-style-position", "list-style-type", "margin",
- "margin-bottom", "margin-left", "margin-right", "margin-top",
- "marker-offset", "marks", "marquee-direction", "marquee-loop",
- "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
- "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",
- "nav-left", "nav-right", "nav-up", "object-fit", "object-position",
- "opacity", "order", "orphans", "outline",
- "outline-color", "outline-offset", "outline-style", "outline-width",
- "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",
- "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
- "page", "page-break-after", "page-break-before", "page-break-inside",
- "page-policy", "pause", "pause-after", "pause-before", "perspective",
- "perspective-origin", "pitch", "pitch-range", "play-during", "position",
- "presentation-level", "punctuation-trim", "quotes", "region-break-after",
- "region-break-before", "region-break-inside", "region-fragment",
- "rendering-intent", "resize", "rest", "rest-after", "rest-before", "richness",
- "right", "rotation", "rotation-point", "ruby-align", "ruby-overhang",
- "ruby-position", "ruby-span", "shape-image-threshold", "shape-inside", "shape-margin",
- "shape-outside", "size", "speak", "speak-as", "speak-header",
- "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set",
- "tab-size", "table-layout", "target", "target-name", "target-new",
- "target-position", "text-align", "text-align-last", "text-decoration",
- "text-decoration-color", "text-decoration-line", "text-decoration-skip",
- "text-decoration-style", "text-emphasis", "text-emphasis-color",
- "text-emphasis-position", "text-emphasis-style", "text-height",
- "text-indent", "text-justify", "text-outline", "text-overflow", "text-shadow",
- "text-size-adjust", "text-space-collapse", "text-transform", "text-underline-position",
- "text-wrap", "top", "transform", "transform-origin", "transform-style",
- "transition", "transition-delay", "transition-duration",
- "transition-property", "transition-timing-function", "unicode-bidi",
- "vertical-align", "visibility", "voice-balance", "voice-duration",
- "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
- "voice-volume", "volume", "white-space", "widows", "width", "word-break",
- "word-spacing", "word-wrap", "z-index",
- // SVG-specific
- "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color",
- "flood-opacity", "lighting-color", "stop-color", "stop-opacity", "pointer-events",
- "color-interpolation", "color-interpolation-filters",
- "color-rendering", "fill", "fill-opacity", "fill-rule", "image-rendering",
- "marker", "marker-end", "marker-mid", "marker-start", "shape-rendering", "stroke",
- "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin",
- "stroke-miterlimit", "stroke-opacity", "stroke-width", "text-rendering",
- "baseline-shift", "dominant-baseline", "glyph-orientation-horizontal",
- "glyph-orientation-vertical", "text-anchor", "writing-mode"
- ], propertyKeywords = keySet(propertyKeywords_);
-
- var nonStandardPropertyKeywords_ = [
- "scrollbar-arrow-color", "scrollbar-base-color", "scrollbar-dark-shadow-color",
- "scrollbar-face-color", "scrollbar-highlight-color", "scrollbar-shadow-color",
- "scrollbar-3d-light-color", "scrollbar-track-color", "shape-inside",
- "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button",
- "searchfield-results-decoration", "zoom"
- ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_);
-
- var colorKeywords_ = [
- "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige",
- "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown",
- "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue",
- "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod",
- "darkgray", "darkgreen", "darkkhaki", "darkmagenta", "darkolivegreen",
- "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen",
- "darkslateblue", "darkslategray", "darkturquoise", "darkviolet",
- "deeppink", "deepskyblue", "dimgray", "dodgerblue", "firebrick",
- "floralwhite", "forestgreen", "fuchsia", "gainsboro", "ghostwhite",
- "gold", "goldenrod", "gray", "grey", "green", "greenyellow", "honeydew",
- "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender",
- "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral",
- "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightpink",
- "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray",
- "lightsteelblue", "lightyellow", "lime", "limegreen", "linen", "magenta",
- "maroon", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple",
- "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise",
- "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin",
- "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered",
- "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred",
- "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue",
- "purple", "rebeccapurple", "red", "rosybrown", "royalblue", "saddlebrown",
- "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue",
- "slateblue", "slategray", "snow", "springgreen", "steelblue", "tan",
- "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white",
- "whitesmoke", "yellow", "yellowgreen"
- ], colorKeywords = keySet(colorKeywords_);
-
- var valueKeywords_ = [
- "above", "absolute", "activeborder", "activecaption", "afar",
- "after-white-space", "ahead", "alias", "all", "all-scroll", "alternate",
- "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
- "arabic-indic", "armenian", "asterisks", "auto", "avoid", "avoid-column", "avoid-page",
- "avoid-region", "background", "backwards", "baseline", "below", "bidi-override", "binary",
- "bengali", "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
- "both", "bottom", "break", "break-all", "break-word", "button", "button-bevel",
- "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "cambodian",
- "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
- "cell", "center", "checkbox", "circle", "cjk-earthly-branch",
- "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
- "col-resize", "collapse", "column", "compact", "condensed", "contain", "content",
- "content-box", "context-menu", "continuous", "copy", "cover", "crop",
- "cross", "crosshair", "currentcolor", "cursive", "dashed", "decimal",
- "decimal-leading-zero", "default", "default-button", "destination-atop",
- "destination-in", "destination-out", "destination-over", "devanagari",
- "disc", "discard", "document", "dot-dash", "dot-dot-dash", "dotted",
- "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
- "element", "ellipse", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
- "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
- "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
- "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
- "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
- "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
- "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et",
- "ethiopic-halehame-tig", "ew-resize", "expanded", "extra-condensed",
- "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "footnotes",
- "forwards", "from", "geometricPrecision", "georgian", "graytext", "groove",
- "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew",
- "help", "hidden", "hide", "higher", "highlight", "highlighttext",
- "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore",
- "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
- "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
- "inline-block", "inline-table", "inset", "inside", "intrinsic", "invert",
- "italic", "justify", "kannada", "katakana", "katakana-iroha", "keep-all", "khmer",
- "landscape", "lao", "large", "larger", "left", "level", "lighter",
- "line-through", "linear", "lines", "list-item", "listbox", "listitem",
- "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
- "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
- "lower-roman", "lowercase", "ltr", "malayalam", "match",
- "media-controls-background", "media-current-time-display",
- "media-fullscreen-button", "media-mute-button", "media-play-button",
- "media-return-to-realtime-button", "media-rewind-button",
- "media-seek-back-button", "media-seek-forward-button", "media-slider",
- "media-sliderthumb", "media-time-remaining-display", "media-volume-slider",
- "media-volume-slider-container", "media-volume-sliderthumb", "medium",
- "menu", "menulist", "menulist-button", "menulist-text",
- "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic",
- "mix", "mongolian", "monospace", "move", "multiple", "myanmar", "n-resize",
- "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
- "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
- "ns-resize", "nw-resize", "nwse-resize", "oblique", "octal", "open-quote",
- "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
- "outside", "outside-shape", "overlay", "overline", "padding", "padding-box",
- "painted", "page", "paused", "persian", "plus-darker", "plus-lighter", "pointer",
- "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d", "progress", "push-button",
- "radio", "read-only", "read-write", "read-write-plaintext-only", "rectangle", "region",
- "relative", "repeat", "repeat-x", "repeat-y", "reset", "reverse", "rgb", "rgba",
- "ridge", "right", "round", "row-resize", "rtl", "run-in", "running",
- "s-resize", "sans-serif", "scroll", "scrollbar", "se-resize", "searchfield",
- "searchfield-cancel-button", "searchfield-decoration",
- "searchfield-results-button", "searchfield-results-decoration",
- "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
- "single", "skip-white-space", "slide", "slider-horizontal",
- "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
- "small", "small-caps", "small-caption", "smaller", "solid", "somali",
- "source-atop", "source-in", "source-out", "source-over", "space", "square",
- "square-button", "start", "static", "status-bar", "stretch", "stroke",
- "sub", "subpixel-antialiased", "super", "sw-resize", "table",
- "table-caption", "table-cell", "table-column", "table-column-group",
- "table-footer-group", "table-header-group", "table-row", "table-row-group",
- "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
- "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
- "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
- "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
- "transparent", "ultra-condensed", "ultra-expanded", "underline", "up",
- "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
- "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
- "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
- "visibleStroke", "visual", "w-resize", "wait", "wave", "wider",
- "window", "windowframe", "windowtext", "x-large", "x-small", "xor",
- "xx-large", "xx-small"
- ], valueKeywords = keySet(valueKeywords_);
-
- var fontProperties_ = [
- "font-family", "src", "unicode-range", "font-variant", "font-feature-settings",
- "font-stretch", "font-weight", "font-style"
- ], fontProperties = keySet(fontProperties_);
-
- var allWords = mediaTypes_.concat(mediaFeatures_).concat(propertyKeywords_)
- .concat(nonStandardPropertyKeywords_).concat(colorKeywords_).concat(valueKeywords_);
- CodeMirror.registerHelper("hintWords", "css", allWords);
-
- function tokenCComment(stream, state) {
- var maybeEnd = false, ch;
- while ((ch = stream.next()) != null) {
- if (maybeEnd && ch == "/") {
- state.tokenize = null;
- break;
- }
- maybeEnd = (ch == "*");
- }
- return ["comment", "comment"];
- }
-
- function tokenSGMLComment(stream, state) {
- if (stream.skipTo("-->")) {
- stream.match("-->");
- state.tokenize = null;
- } else {
- stream.skipToEnd();
- }
- return ["comment", "comment"];
- }
-
- CodeMirror.defineMIME("text/css", {
- mediaTypes: mediaTypes,
- mediaFeatures: mediaFeatures,
- propertyKeywords: propertyKeywords,
- nonStandardPropertyKeywords: nonStandardPropertyKeywords,
- colorKeywords: colorKeywords,
- valueKeywords: valueKeywords,
- fontProperties: fontProperties,
- tokenHooks: {
- "<": function(stream, state) {
- if (!stream.match("!--")) return false;
- state.tokenize = tokenSGMLComment;
- return tokenSGMLComment(stream, state);
- },
- "/": function(stream, state) {
- if (!stream.eat("*")) return false;
- state.tokenize = tokenCComment;
- return tokenCComment(stream, state);
- }
- },
- name: "css"
- });
-
- CodeMirror.defineMIME("text/x-scss", {
- mediaTypes: mediaTypes,
- mediaFeatures: mediaFeatures,
- propertyKeywords: propertyKeywords,
- nonStandardPropertyKeywords: nonStandardPropertyKeywords,
- colorKeywords: colorKeywords,
- valueKeywords: valueKeywords,
- fontProperties: fontProperties,
- allowNested: true,
- tokenHooks: {
- "/": function(stream, state) {
- if (stream.eat("/")) {
- stream.skipToEnd();
- return ["comment", "comment"];
- } else if (stream.eat("*")) {
- state.tokenize = tokenCComment;
- return tokenCComment(stream, state);
- } else {
- return ["operator", "operator"];
- }
- },
- ":": function(stream) {
- if (stream.match(/\s*\{/))
- return [null, "{"];
- return false;
- },
- "$": function(stream) {
- stream.match(/^[\w-]+/);
- if (stream.match(/^\s*:/, false))
- return ["variable-2", "variable-definition"];
- return ["variable-2", "variable"];
- },
- "#": function(stream) {
- if (!stream.eat("{")) return false;
- return [null, "interpolation"];
- }
- },
- name: "css",
- helperType: "scss"
- });
-
- CodeMirror.defineMIME("text/x-less", {
- mediaTypes: mediaTypes,
- mediaFeatures: mediaFeatures,
- propertyKeywords: propertyKeywords,
- nonStandardPropertyKeywords: nonStandardPropertyKeywords,
- colorKeywords: colorKeywords,
- valueKeywords: valueKeywords,
- fontProperties: fontProperties,
- allowNested: true,
- tokenHooks: {
- "/": function(stream, state) {
- if (stream.eat("/")) {
- stream.skipToEnd();
- return ["comment", "comment"];
- } else if (stream.eat("*")) {
- state.tokenize = tokenCComment;
- return tokenCComment(stream, state);
- } else {
- return ["operator", "operator"];
- }
- },
- "@": function(stream) {
- if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/, false)) return false;
- stream.eatWhile(/[\w\\\-]/);
- if (stream.match(/^\s*:/, false))
- return ["variable-2", "variable-definition"];
- return ["variable-2", "variable"];
- },
- "&": function() {
- return ["atom", "atom"];
- }
- },
- name: "css",
- helperType: "less"
- });
-
-});
diff --git a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/htmlmixed/htmlmixed.js b/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/htmlmixed/htmlmixed.js
deleted file mode 100644
index 1cc438f..0000000
--- a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/htmlmixed/htmlmixed.js
+++ /dev/null
@@ -1,121 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"), require("../xml/xml"), require("../javascript/javascript"), require("../css/css"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror", "../xml/xml", "../javascript/javascript", "../css/css"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.defineMode("htmlmixed", function(config, parserConfig) {
- var htmlMode = CodeMirror.getMode(config, {name: "xml",
- htmlMode: true,
- multilineTagIndentFactor: parserConfig.multilineTagIndentFactor,
- multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag});
- var cssMode = CodeMirror.getMode(config, "css");
-
- var scriptTypes = [], scriptTypesConf = parserConfig && parserConfig.scriptTypes;
- scriptTypes.push({matches: /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i,
- mode: CodeMirror.getMode(config, "javascript")});
- if (scriptTypesConf) for (var i = 0; i < scriptTypesConf.length; ++i) {
- var conf = scriptTypesConf[i];
- scriptTypes.push({matches: conf.matches, mode: conf.mode && CodeMirror.getMode(config, conf.mode)});
- }
- scriptTypes.push({matches: /./,
- mode: CodeMirror.getMode(config, "text/plain")});
-
- function html(stream, state) {
- var tagName = state.htmlState.tagName;
- if (tagName) tagName = tagName.toLowerCase();
- var style = htmlMode.token(stream, state.htmlState);
- if (tagName == "script" && /\btag\b/.test(style) && stream.current() == ">") {
- // Script block: mode to change to depends on type attribute
- var scriptType = stream.string.slice(Math.max(0, stream.pos - 100), stream.pos).match(/\btype\s*=\s*("[^"]+"|'[^']+'|\S+)[^<]*$/i);
- scriptType = scriptType ? scriptType[1] : "";
- if (scriptType && /[\"\']/.test(scriptType.charAt(0))) scriptType = scriptType.slice(1, scriptType.length - 1);
- for (var i = 0; i < scriptTypes.length; ++i) {
- var tp = scriptTypes[i];
- if (typeof tp.matches == "string" ? scriptType == tp.matches : tp.matches.test(scriptType)) {
- if (tp.mode) {
- state.token = script;
- state.localMode = tp.mode;
- state.localState = tp.mode.startState && tp.mode.startState(htmlMode.indent(state.htmlState, ""));
- }
- break;
- }
- }
- } else if (tagName == "style" && /\btag\b/.test(style) && stream.current() == ">") {
- state.token = css;
- state.localMode = cssMode;
- state.localState = cssMode.startState(htmlMode.indent(state.htmlState, ""));
- }
- return style;
- }
- function maybeBackup(stream, pat, style) {
- var cur = stream.current();
- var close = cur.search(pat), m;
- if (close > -1) stream.backUp(cur.length - close);
- else if (m = cur.match(/<\/?$/)) {
- stream.backUp(cur.length);
- if (!stream.match(pat, false)) stream.match(cur);
- }
- return style;
- }
- function script(stream, state) {
- if (stream.match(/^<\/\s*script\s*>/i, false)) {
- state.token = html;
- state.localState = state.localMode = null;
- return null;
- }
- return maybeBackup(stream, /<\/\s*script\s*>/,
- state.localMode.token(stream, state.localState));
- }
- function css(stream, state) {
- if (stream.match(/^<\/\s*style\s*>/i, false)) {
- state.token = html;
- state.localState = state.localMode = null;
- return null;
- }
- return maybeBackup(stream, /<\/\s*style\s*>/,
- cssMode.token(stream, state.localState));
- }
-
- return {
- startState: function() {
- var state = htmlMode.startState();
- return {token: html, localMode: null, localState: null, htmlState: state};
- },
-
- copyState: function(state) {
- if (state.localState)
- var local = CodeMirror.copyState(state.localMode, state.localState);
- return {token: state.token, localMode: state.localMode, localState: local,
- htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
- },
-
- token: function(stream, state) {
- return state.token(stream, state);
- },
-
- indent: function(state, textAfter) {
- if (!state.localMode || /^\s*<\//.test(textAfter))
- return htmlMode.indent(state.htmlState, textAfter);
- else if (state.localMode.indent)
- return state.localMode.indent(state.localState, textAfter);
- else
- return CodeMirror.Pass;
- },
-
- innerMode: function(state) {
- return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode};
- }
- };
-}, "xml", "javascript", "css");
-
-CodeMirror.defineMIME("text/html", "htmlmixed");
-
-});
diff --git a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/javascript/javascript.js b/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/javascript/javascript.js
deleted file mode 100644
index b0ba8d0..0000000
--- a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/javascript/javascript.js
+++ /dev/null
@@ -1,684 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-// TODO actually recognize syntax of TypeScript constructs
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.defineMode("javascript", function(config, parserConfig) {
- var indentUnit = config.indentUnit;
- var statementIndent = parserConfig.statementIndent;
- var jsonldMode = parserConfig.jsonld;
- var jsonMode = parserConfig.json || jsonldMode;
- var isTS = parserConfig.typescript;
- var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/;
-
- // Tokenizer
-
- var keywords = function(){
- function kw(type) {return {type: type, style: "keyword"};}
- var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
- var operator = kw("operator"), atom = {type: "atom", style: "atom"};
-
- var jsKeywords = {
- "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
- "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, "debugger": C,
- "var": kw("var"), "const": kw("var"), "let": kw("var"),
- "function": kw("function"), "catch": kw("catch"),
- "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
- "in": operator, "typeof": operator, "instanceof": operator,
- "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
- "this": kw("this"), "module": kw("module"), "class": kw("class"), "super": kw("atom"),
- "yield": C, "export": kw("export"), "import": kw("import"), "extends": C
- };
-
- // Extend the 'normal' keywords with the TypeScript language extensions
- if (isTS) {
- var type = {type: "variable", style: "variable-3"};
- var tsKeywords = {
- // object-like things
- "interface": kw("interface"),
- "extends": kw("extends"),
- "constructor": kw("constructor"),
-
- // scope modifiers
- "public": kw("public"),
- "private": kw("private"),
- "protected": kw("protected"),
- "static": kw("static"),
-
- // types
- "string": type, "number": type, "bool": type, "any": type
- };
-
- for (var attr in tsKeywords) {
- jsKeywords[attr] = tsKeywords[attr];
- }
- }
-
- return jsKeywords;
- }();
-
- var isOperatorChar = /[+\-*&%=<>!?|~^]/;
- var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;
-
- function readRegexp(stream) {
- var escaped = false, next, inSet = false;
- while ((next = stream.next()) != null) {
- if (!escaped) {
- if (next == "/" && !inSet) return;
- if (next == "[") inSet = true;
- else if (inSet && next == "]") inSet = false;
- }
- escaped = !escaped && next == "\\";
- }
- }
-
- // Used as scratch variables to communicate multiple values without
- // consing up tons of objects.
- var type, content;
- function ret(tp, style, cont) {
- type = tp; content = cont;
- return style;
- }
- function tokenBase(stream, state) {
- var ch = stream.next();
- if (ch == '"' || ch == "'") {
- state.tokenize = tokenString(ch);
- return state.tokenize(stream, state);
- } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) {
- return ret("number", "number");
- } else if (ch == "." && stream.match("..")) {
- return ret("spread", "meta");
- } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
- return ret(ch);
- } else if (ch == "=" && stream.eat(">")) {
- return ret("=>", "operator");
- } else if (ch == "0" && stream.eat(/x/i)) {
- stream.eatWhile(/[\da-f]/i);
- return ret("number", "number");
- } else if (/\d/.test(ch)) {
- stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
- return ret("number", "number");
- } else if (ch == "/") {
- if (stream.eat("*")) {
- state.tokenize = tokenComment;
- return tokenComment(stream, state);
- } else if (stream.eat("/")) {
- stream.skipToEnd();
- return ret("comment", "comment");
- } else if (state.lastType == "operator" || state.lastType == "keyword c" ||
- state.lastType == "sof" || /^[\[{}\(,;:]$/.test(state.lastType)) {
- readRegexp(stream);
- stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla
- return ret("regexp", "string-2");
- } else {
- stream.eatWhile(isOperatorChar);
- return ret("operator", "operator", stream.current());
- }
- } else if (ch == "`") {
- state.tokenize = tokenQuasi;
- return tokenQuasi(stream, state);
- } else if (ch == "#") {
- stream.skipToEnd();
- return ret("error", "error");
- } else if (isOperatorChar.test(ch)) {
- stream.eatWhile(isOperatorChar);
- return ret("operator", "operator", stream.current());
- } else if (wordRE.test(ch)) {
- stream.eatWhile(wordRE);
- var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
- return (known && state.lastType != ".") ? ret(known.type, known.style, word) :
- ret("variable", "variable", word);
- }
- }
-
- function tokenString(quote) {
- return function(stream, state) {
- var escaped = false, next;
- if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
- state.tokenize = tokenBase;
- return ret("jsonld-keyword", "meta");
- }
- while ((next = stream.next()) != null) {
- if (next == quote && !escaped) break;
- escaped = !escaped && next == "\\";
- }
- if (!escaped) state.tokenize = tokenBase;
- return ret("string", "string");
- };
- }
-
- function tokenComment(stream, state) {
- var maybeEnd = false, ch;
- while (ch = stream.next()) {
- if (ch == "/" && maybeEnd) {
- state.tokenize = tokenBase;
- break;
- }
- maybeEnd = (ch == "*");
- }
- return ret("comment", "comment");
- }
-
- function tokenQuasi(stream, state) {
- var escaped = false, next;
- while ((next = stream.next()) != null) {
- if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) {
- state.tokenize = tokenBase;
- break;
- }
- escaped = !escaped && next == "\\";
- }
- return ret("quasi", "string-2", stream.current());
- }
-
- var brackets = "([{}])";
- // This is a crude lookahead trick to try and notice that we're
- // parsing the argument patterns for a fat-arrow function before we
- // actually hit the arrow token. It only works if the arrow is on
- // the same line as the arguments and there's no strange noise
- // (comments) in between. Fallback is to only notice when we hit the
- // arrow, and not declare the arguments as locals for the arrow
- // body.
- function findFatArrow(stream, state) {
- if (state.fatArrowAt) state.fatArrowAt = null;
- var arrow = stream.string.indexOf("=>", stream.start);
- if (arrow < 0) return;
-
- var depth = 0, sawSomething = false;
- for (var pos = arrow - 1; pos >= 0; --pos) {
- var ch = stream.string.charAt(pos);
- var bracket = brackets.indexOf(ch);
- if (bracket >= 0 && bracket < 3) {
- if (!depth) { ++pos; break; }
- if (--depth == 0) break;
- } else if (bracket >= 3 && bracket < 6) {
- ++depth;
- } else if (wordRE.test(ch)) {
- sawSomething = true;
- } else if (sawSomething && !depth) {
- ++pos;
- break;
- }
- }
- if (sawSomething && !depth) state.fatArrowAt = pos;
- }
-
- // Parser
-
- var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true};
-
- function JSLexical(indented, column, type, align, prev, info) {
- this.indented = indented;
- this.column = column;
- this.type = type;
- this.prev = prev;
- this.info = info;
- if (align != null) this.align = align;
- }
-
- function inScope(state, varname) {
- for (var v = state.localVars; v; v = v.next)
- if (v.name == varname) return true;
- for (var cx = state.context; cx; cx = cx.prev) {
- for (var v = cx.vars; v; v = v.next)
- if (v.name == varname) return true;
- }
- }
-
- function parseJS(state, style, type, content, stream) {
- var cc = state.cc;
- // Communicate our context to the combinators.
- // (Less wasteful than consing up a hundred closures on every call.)
- cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;
-
- if (!state.lexical.hasOwnProperty("align"))
- state.lexical.align = true;
-
- while(true) {
- var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
- if (combinator(type, content)) {
- while(cc.length && cc[cc.length - 1].lex)
- cc.pop()();
- if (cx.marked) return cx.marked;
- if (type == "variable" && inScope(state, content)) return "variable-2";
- return style;
- }
- }
- }
-
- // Combinator utils
-
- var cx = {state: null, column: null, marked: null, cc: null};
- function pass() {
- for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
- }
- function cont() {
- pass.apply(null, arguments);
- return true;
- }
- function register(varname) {
- function inList(list) {
- for (var v = list; v; v = v.next)
- if (v.name == varname) return true;
- return false;
- }
- var state = cx.state;
- if (state.context) {
- cx.marked = "def";
- if (inList(state.localVars)) return;
- state.localVars = {name: varname, next: state.localVars};
- } else {
- if (inList(state.globalVars)) return;
- if (parserConfig.globalVars)
- state.globalVars = {name: varname, next: state.globalVars};
- }
- }
-
- // Combinators
-
- var defaultVars = {name: "this", next: {name: "arguments"}};
- function pushcontext() {
- cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
- cx.state.localVars = defaultVars;
- }
- function popcontext() {
- cx.state.localVars = cx.state.context.vars;
- cx.state.context = cx.state.context.prev;
- }
- function pushlex(type, info) {
- var result = function() {
- var state = cx.state, indent = state.indented;
- if (state.lexical.type == "stat") indent = state.lexical.indented;
- else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev)
- indent = outer.indented;
- state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
- };
- result.lex = true;
- return result;
- }
- function poplex() {
- var state = cx.state;
- if (state.lexical.prev) {
- if (state.lexical.type == ")")
- state.indented = state.lexical.indented;
- state.lexical = state.lexical.prev;
- }
- }
- poplex.lex = true;
-
- function expect(wanted) {
- function exp(type) {
- if (type == wanted) return cont();
- else if (wanted == ";") return pass();
- else return cont(exp);
- };
- return exp;
- }
-
- function statement(type, value) {
- if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex);
- if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
- if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
- if (type == "{") return cont(pushlex("}"), block, poplex);
- if (type == ";") return cont();
- if (type == "if") {
- if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
- cx.state.cc.pop()();
- return cont(pushlex("form"), expression, statement, poplex, maybeelse);
- }
- if (type == "function") return cont(functiondef);
- if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
- if (type == "variable") return cont(pushlex("stat"), maybelabel);
- if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
- block, poplex, poplex);
- if (type == "case") return cont(expression, expect(":"));
- if (type == "default") return cont(expect(":"));
- if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
- statement, poplex, popcontext);
- if (type == "module") return cont(pushlex("form"), pushcontext, afterModule, popcontext, poplex);
- if (type == "class") return cont(pushlex("form"), className, poplex);
- if (type == "export") return cont(pushlex("form"), afterExport, poplex);
- if (type == "import") return cont(pushlex("form"), afterImport, poplex);
- return pass(pushlex("stat"), expression, expect(";"), poplex);
- }
- function expression(type) {
- return expressionInner(type, false);
- }
- function expressionNoComma(type) {
- return expressionInner(type, true);
- }
- function expressionInner(type, noComma) {
- if (cx.state.fatArrowAt == cx.stream.start) {
- var body = noComma ? arrowBodyNoComma : arrowBody;
- if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext);
- else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
- }
-
- var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
- if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
- if (type == "function") return cont(functiondef, maybeop);
- if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression);
- if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop);
- if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
- if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
- if (type == "{") return contCommasep(objprop, "}", null, maybeop);
- if (type == "quasi") { return pass(quasi, maybeop); }
- return cont();
- }
- function maybeexpression(type) {
- if (type.match(/[;\}\)\],]/)) return pass();
- return pass(expression);
- }
- function maybeexpressionNoComma(type) {
- if (type.match(/[;\}\)\],]/)) return pass();
- return pass(expressionNoComma);
- }
-
- function maybeoperatorComma(type, value) {
- if (type == ",") return cont(expression);
- return maybeoperatorNoComma(type, value, false);
- }
- function maybeoperatorNoComma(type, value, noComma) {
- var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
- var expr = noComma == false ? expression : expressionNoComma;
- if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
- if (type == "operator") {
- if (/\+\+|--/.test(value)) return cont(me);
- if (value == "?") return cont(expression, expect(":"), expr);
- return cont(expr);
- }
- if (type == "quasi") { return pass(quasi, me); }
- if (type == ";") return;
- if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
- if (type == ".") return cont(property, me);
- if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
- }
- function quasi(type, value) {
- if (type != "quasi") return pass();
- if (value.slice(value.length - 2) != "${") return cont(quasi);
- return cont(expression, continueQuasi);
- }
- function continueQuasi(type) {
- if (type == "}") {
- cx.marked = "string-2";
- cx.state.tokenize = tokenQuasi;
- return cont(quasi);
- }
- }
- function arrowBody(type) {
- findFatArrow(cx.stream, cx.state);
- return pass(type == "{" ? statement : expression);
- }
- function arrowBodyNoComma(type) {
- findFatArrow(cx.stream, cx.state);
- return pass(type == "{" ? statement : expressionNoComma);
- }
- function maybelabel(type) {
- if (type == ":") return cont(poplex, statement);
- return pass(maybeoperatorComma, expect(";"), poplex);
- }
- function property(type) {
- if (type == "variable") {cx.marked = "property"; return cont();}
- }
- function objprop(type, value) {
- if (type == "variable" || cx.style == "keyword") {
- cx.marked = "property";
- if (value == "get" || value == "set") return cont(getterSetter);
- return cont(afterprop);
- } else if (type == "number" || type == "string") {
- cx.marked = jsonldMode ? "property" : (cx.style + " property");
- return cont(afterprop);
- } else if (type == "jsonld-keyword") {
- return cont(afterprop);
- } else if (type == "[") {
- return cont(expression, expect("]"), afterprop);
- }
- }
- function getterSetter(type) {
- if (type != "variable") return pass(afterprop);
- cx.marked = "property";
- return cont(functiondef);
- }
- function afterprop(type) {
- if (type == ":") return cont(expressionNoComma);
- if (type == "(") return pass(functiondef);
- }
- function commasep(what, end) {
- function proceed(type) {
- if (type == ",") {
- var lex = cx.state.lexical;
- if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
- return cont(what, proceed);
- }
- if (type == end) return cont();
- return cont(expect(end));
- }
- return function(type) {
- if (type == end) return cont();
- return pass(what, proceed);
- };
- }
- function contCommasep(what, end, info) {
- for (var i = 3; i < arguments.length; i++)
- cx.cc.push(arguments[i]);
- return cont(pushlex(end, info), commasep(what, end), poplex);
- }
- function block(type) {
- if (type == "}") return cont();
- return pass(statement, block);
- }
- function maybetype(type) {
- if (isTS && type == ":") return cont(typedef);
- }
- function typedef(type) {
- if (type == "variable"){cx.marked = "variable-3"; return cont();}
- }
- function vardef() {
- return pass(pattern, maybetype, maybeAssign, vardefCont);
- }
- function pattern(type, value) {
- if (type == "variable") { register(value); return cont(); }
- if (type == "[") return contCommasep(pattern, "]");
- if (type == "{") return contCommasep(proppattern, "}");
- }
- function proppattern(type, value) {
- if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
- register(value);
- return cont(maybeAssign);
- }
- if (type == "variable") cx.marked = "property";
- return cont(expect(":"), pattern, maybeAssign);
- }
- function maybeAssign(_type, value) {
- if (value == "=") return cont(expressionNoComma);
- }
- function vardefCont(type) {
- if (type == ",") return cont(vardef);
- }
- function maybeelse(type, value) {
- if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
- }
- function forspec(type) {
- if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex);
- }
- function forspec1(type) {
- if (type == "var") return cont(vardef, expect(";"), forspec2);
- if (type == ";") return cont(forspec2);
- if (type == "variable") return cont(formaybeinof);
- return pass(expression, expect(";"), forspec2);
- }
- function formaybeinof(_type, value) {
- if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
- return cont(maybeoperatorComma, forspec2);
- }
- function forspec2(type, value) {
- if (type == ";") return cont(forspec3);
- if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
- return pass(expression, expect(";"), forspec3);
- }
- function forspec3(type) {
- if (type != ")") cont(expression);
- }
- function functiondef(type, value) {
- if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
- if (type == "variable") {register(value); return cont(functiondef);}
- if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, statement, popcontext);
- }
- function funarg(type) {
- if (type == "spread") return cont(funarg);
- return pass(pattern, maybetype);
- }
- function className(type, value) {
- if (type == "variable") {register(value); return cont(classNameAfter);}
- }
- function classNameAfter(type, value) {
- if (value == "extends") return cont(expression, classNameAfter);
- if (type == "{") return cont(pushlex("}"), classBody, poplex);
- }
- function classBody(type, value) {
- if (type == "variable" || cx.style == "keyword") {
- cx.marked = "property";
- if (value == "get" || value == "set") return cont(classGetterSetter, functiondef, classBody);
- return cont(functiondef, classBody);
- }
- if (value == "*") {
- cx.marked = "keyword";
- return cont(classBody);
- }
- if (type == ";") return cont(classBody);
- if (type == "}") return cont();
- }
- function classGetterSetter(type) {
- if (type != "variable") return pass();
- cx.marked = "property";
- return cont();
- }
- function afterModule(type, value) {
- if (type == "string") return cont(statement);
- if (type == "variable") { register(value); return cont(maybeFrom); }
- }
- function afterExport(_type, value) {
- if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
- if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
- return pass(statement);
- }
- function afterImport(type) {
- if (type == "string") return cont();
- return pass(importSpec, maybeFrom);
- }
- function importSpec(type, value) {
- if (type == "{") return contCommasep(importSpec, "}");
- if (type == "variable") register(value);
- return cont();
- }
- function maybeFrom(_type, value) {
- if (value == "from") { cx.marked = "keyword"; return cont(expression); }
- }
- function arrayLiteral(type) {
- if (type == "]") return cont();
- return pass(expressionNoComma, maybeArrayComprehension);
- }
- function maybeArrayComprehension(type) {
- if (type == "for") return pass(comprehension, expect("]"));
- if (type == ",") return cont(commasep(maybeexpressionNoComma, "]"));
- return pass(commasep(expressionNoComma, "]"));
- }
- function comprehension(type) {
- if (type == "for") return cont(forspec, comprehension);
- if (type == "if") return cont(expression, comprehension);
- }
-
- // Interface
-
- return {
- startState: function(basecolumn) {
- var state = {
- tokenize: tokenBase,
- lastType: "sof",
- cc: [],
- lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
- localVars: parserConfig.localVars,
- context: parserConfig.localVars && {vars: parserConfig.localVars},
- indented: 0
- };
- if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
- state.globalVars = parserConfig.globalVars;
- return state;
- },
-
- token: function(stream, state) {
- if (stream.sol()) {
- if (!state.lexical.hasOwnProperty("align"))
- state.lexical.align = false;
- state.indented = stream.indentation();
- findFatArrow(stream, state);
- }
- if (state.tokenize != tokenComment && stream.eatSpace()) return null;
- var style = state.tokenize(stream, state);
- if (type == "comment") return style;
- state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type;
- return parseJS(state, style, type, content, stream);
- },
-
- indent: function(state, textAfter) {
- if (state.tokenize == tokenComment) return CodeMirror.Pass;
- if (state.tokenize != tokenBase) return 0;
- var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
- // Kludge to prevent 'maybelse' from blocking lexical scope pops
- if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
- var c = state.cc[i];
- if (c == poplex) lexical = lexical.prev;
- else if (c != maybeelse) break;
- }
- if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
- if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
- lexical = lexical.prev;
- var type = lexical.type, closing = firstChar == type;
-
- if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0);
- else if (type == "form" && firstChar == "{") return lexical.indented;
- else if (type == "form") return lexical.indented + indentUnit;
- else if (type == "stat")
- return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? statementIndent || indentUnit : 0);
- else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
- return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
- else if (lexical.align) return lexical.column + (closing ? 0 : 1);
- else return lexical.indented + (closing ? 0 : indentUnit);
- },
-
- electricInput: /^\s*(?:case .*?:|default:|\{|\})$/,
- blockCommentStart: jsonMode ? null : "/*",
- blockCommentEnd: jsonMode ? null : "*/",
- lineComment: jsonMode ? null : "//",
- fold: "brace",
-
- helperType: jsonMode ? "json" : "javascript",
- jsonldMode: jsonldMode,
- jsonMode: jsonMode
- };
-});
-
-CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);
-
-CodeMirror.defineMIME("text/javascript", "javascript");
-CodeMirror.defineMIME("text/ecmascript", "javascript");
-CodeMirror.defineMIME("application/javascript", "javascript");
-CodeMirror.defineMIME("application/x-javascript", "javascript");
-CodeMirror.defineMIME("application/ecmascript", "javascript");
-CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
-CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true});
-CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true});
-CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
-CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });
-
-});
diff --git a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/xml/xml.js b/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/xml/xml.js
deleted file mode 100644
index 2f3b8f8..0000000
--- a/html_xblock/public/plugins/codemirror/codemirror-4.8/mode/xml/xml.js
+++ /dev/null
@@ -1,384 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.defineMode("xml", function(config, parserConfig) {
- var indentUnit = config.indentUnit;
- var multilineTagIndentFactor = parserConfig.multilineTagIndentFactor || 1;
- var multilineTagIndentPastTag = parserConfig.multilineTagIndentPastTag;
- if (multilineTagIndentPastTag == null) multilineTagIndentPastTag = true;
-
- var Kludges = parserConfig.htmlMode ? {
- autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
- 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
- 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
- 'track': true, 'wbr': true, 'menuitem': true},
- implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
- 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
- 'th': true, 'tr': true},
- contextGrabbers: {
- 'dd': {'dd': true, 'dt': true},
- 'dt': {'dd': true, 'dt': true},
- 'li': {'li': true},
- 'option': {'option': true, 'optgroup': true},
- 'optgroup': {'optgroup': true},
- 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
- 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
- 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
- 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
- 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
- 'rp': {'rp': true, 'rt': true},
- 'rt': {'rp': true, 'rt': true},
- 'tbody': {'tbody': true, 'tfoot': true},
- 'td': {'td': true, 'th': true},
- 'tfoot': {'tbody': true},
- 'th': {'td': true, 'th': true},
- 'thead': {'tbody': true, 'tfoot': true},
- 'tr': {'tr': true}
- },
- doNotIndent: {"pre": true},
- allowUnquoted: true,
- allowMissing: true,
- caseFold: true
- } : {
- autoSelfClosers: {},
- implicitlyClosed: {},
- contextGrabbers: {},
- doNotIndent: {},
- allowUnquoted: false,
- allowMissing: false,
- caseFold: false
- };
- var alignCDATA = parserConfig.alignCDATA;
-
- // Return variables for tokenizers
- var type, setStyle;
-
- function inText(stream, state) {
- function chain(parser) {
- state.tokenize = parser;
- return parser(stream, state);
- }
-
- var ch = stream.next();
- if (ch == "<") {
- if (stream.eat("!")) {
- if (stream.eat("[")) {
- if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
- else return null;
- } else if (stream.match("--")) {
- return chain(inBlock("comment", "-->"));
- } else if (stream.match("DOCTYPE", true, true)) {
- stream.eatWhile(/[\w\._\-]/);
- return chain(doctype(1));
- } else {
- return null;
- }
- } else if (stream.eat("?")) {
- stream.eatWhile(/[\w\._\-]/);
- state.tokenize = inBlock("meta", "?>");
- return "meta";
- } else {
- type = stream.eat("/") ? "closeTag" : "openTag";
- state.tokenize = inTag;
- return "tag bracket";
- }
- } else if (ch == "&") {
- var ok;
- if (stream.eat("#")) {
- if (stream.eat("x")) {
- ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
- } else {
- ok = stream.eatWhile(/[\d]/) && stream.eat(";");
- }
- } else {
- ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
- }
- return ok ? "atom" : "error";
- } else {
- stream.eatWhile(/[^&<]/);
- return null;
- }
- }
-
- function inTag(stream, state) {
- var ch = stream.next();
- if (ch == ">" || (ch == "/" && stream.eat(">"))) {
- state.tokenize = inText;
- type = ch == ">" ? "endTag" : "selfcloseTag";
- return "tag bracket";
- } else if (ch == "=") {
- type = "equals";
- return null;
- } else if (ch == "<") {
- state.tokenize = inText;
- state.state = baseState;
- state.tagName = state.tagStart = null;
- var next = state.tokenize(stream, state);
- return next ? next + " tag error" : "tag error";
- } else if (/[\'\"]/.test(ch)) {
- state.tokenize = inAttribute(ch);
- state.stringStartCol = stream.column();
- return state.tokenize(stream, state);
- } else {
- stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
- return "word";
- }
- }
-
- function inAttribute(quote) {
- var closure = function(stream, state) {
- while (!stream.eol()) {
- if (stream.next() == quote) {
- state.tokenize = inTag;
- break;
- }
- }
- return "string";
- };
- closure.isInAttribute = true;
- return closure;
- }
-
- function inBlock(style, terminator) {
- return function(stream, state) {
- while (!stream.eol()) {
- if (stream.match(terminator)) {
- state.tokenize = inText;
- break;
- }
- stream.next();
- }
- return style;
- };
- }
- function doctype(depth) {
- return function(stream, state) {
- var ch;
- while ((ch = stream.next()) != null) {
- if (ch == "<") {
- state.tokenize = doctype(depth + 1);
- return state.tokenize(stream, state);
- } else if (ch == ">") {
- if (depth == 1) {
- state.tokenize = inText;
- break;
- } else {
- state.tokenize = doctype(depth - 1);
- return state.tokenize(stream, state);
- }
- }
- }
- return "meta";
- };
- }
-
- function Context(state, tagName, startOfLine) {
- this.prev = state.context;
- this.tagName = tagName;
- this.indent = state.indented;
- this.startOfLine = startOfLine;
- if (Kludges.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
- this.noIndent = true;
- }
- function popContext(state) {
- if (state.context) state.context = state.context.prev;
- }
- function maybePopContext(state, nextTagName) {
- var parentTagName;
- while (true) {
- if (!state.context) {
- return;
- }
- parentTagName = state.context.tagName;
- if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) ||
- !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
- return;
- }
- popContext(state);
- }
- }
-
- function baseState(type, stream, state) {
- if (type == "openTag") {
- state.tagStart = stream.column();
- return tagNameState;
- } else if (type == "closeTag") {
- return closeTagNameState;
- } else {
- return baseState;
- }
- }
- function tagNameState(type, stream, state) {
- if (type == "word") {
- state.tagName = stream.current();
- setStyle = "tag";
- return attrState;
- } else {
- setStyle = "error";
- return tagNameState;
- }
- }
- function closeTagNameState(type, stream, state) {
- if (type == "word") {
- var tagName = stream.current();
- if (state.context && state.context.tagName != tagName &&
- Kludges.implicitlyClosed.hasOwnProperty(state.context.tagName))
- popContext(state);
- if (state.context && state.context.tagName == tagName) {
- setStyle = "tag";
- return closeState;
- } else {
- setStyle = "tag error";
- return closeStateErr;
- }
- } else {
- setStyle = "error";
- return closeStateErr;
- }
- }
-
- function closeState(type, _stream, state) {
- if (type != "endTag") {
- setStyle = "error";
- return closeState;
- }
- popContext(state);
- return baseState;
- }
- function closeStateErr(type, stream, state) {
- setStyle = "error";
- return closeState(type, stream, state);
- }
-
- function attrState(type, _stream, state) {
- if (type == "word") {
- setStyle = "attribute";
- return attrEqState;
- } else if (type == "endTag" || type == "selfcloseTag") {
- var tagName = state.tagName, tagStart = state.tagStart;
- state.tagName = state.tagStart = null;
- if (type == "selfcloseTag" ||
- Kludges.autoSelfClosers.hasOwnProperty(tagName)) {
- maybePopContext(state, tagName);
- } else {
- maybePopContext(state, tagName);
- state.context = new Context(state, tagName, tagStart == state.indented);
- }
- return baseState;
- }
- setStyle = "error";
- return attrState;
- }
- function attrEqState(type, stream, state) {
- if (type == "equals") return attrValueState;
- if (!Kludges.allowMissing) setStyle = "error";
- return attrState(type, stream, state);
- }
- function attrValueState(type, stream, state) {
- if (type == "string") return attrContinuedState;
- if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return attrState;}
- setStyle = "error";
- return attrState(type, stream, state);
- }
- function attrContinuedState(type, stream, state) {
- if (type == "string") return attrContinuedState;
- return attrState(type, stream, state);
- }
-
- return {
- startState: function() {
- return {tokenize: inText,
- state: baseState,
- indented: 0,
- tagName: null, tagStart: null,
- context: null};
- },
-
- token: function(stream, state) {
- if (!state.tagName && stream.sol())
- state.indented = stream.indentation();
-
- if (stream.eatSpace()) return null;
- type = null;
- var style = state.tokenize(stream, state);
- if ((style || type) && style != "comment") {
- setStyle = null;
- state.state = state.state(type || style, stream, state);
- if (setStyle)
- style = setStyle == "error" ? style + " error" : setStyle;
- }
- return style;
- },
-
- indent: function(state, textAfter, fullLine) {
- var context = state.context;
- // Indent multi-line strings (e.g. css).
- if (state.tokenize.isInAttribute) {
- if (state.tagStart == state.indented)
- return state.stringStartCol + 1;
- else
- return state.indented + indentUnit;
- }
- if (context && context.noIndent) return CodeMirror.Pass;
- if (state.tokenize != inTag && state.tokenize != inText)
- return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
- // Indent the starts of attribute names.
- if (state.tagName) {
- if (multilineTagIndentPastTag)
- return state.tagStart + state.tagName.length + 2;
- else
- return state.tagStart + indentUnit * multilineTagIndentFactor;
- }
- if (alignCDATA && /$/,
- blockCommentStart: "",
-
- configuration: parserConfig.htmlMode ? "html" : "xml",
- helperType: parserConfig.htmlMode ? "html" : "xml"
- };
-});
-
-CodeMirror.defineMIME("text/xml", "xml");
-CodeMirror.defineMIME("application/xml", "xml");
-if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
- CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
-
-});
diff --git a/html_xblock/public/plugins/codemirror/langs/en.js b/html_xblock/public/plugins/codemirror/langs/en.js
deleted file mode 100644
index d5e0bbd..0000000
--- a/html_xblock/public/plugins/codemirror/langs/en.js
+++ /dev/null
@@ -1,8 +0,0 @@
-tinymce.addI18n('en',{
- 'HTML source code': 'HTML source code',
- 'Start search': 'Start search',
- 'Find next': 'Find next',
- 'Find previous': 'Find previous',
- 'Replace': 'Replace',
- 'Replace all': 'Replace all'
-});
diff --git a/html_xblock/public/plugins/codemirror/plugin.min.js b/html_xblock/public/plugins/codemirror/plugin.min.js
deleted file mode 100644
index fbfa260..0000000
--- a/html_xblock/public/plugins/codemirror/plugin.min.js
+++ /dev/null
@@ -1 +0,0 @@
-tinymce.PluginManager.requireLangPack("codemirror");tinymce.PluginManager.add("codemirror",function(e,r){function o(){e.focus();e.selection.collapse(true);if(e.settings.codemirror.saveCursorPosition){e.selection.setContent('
�')}codemirrorWidth=800;if(e.settings.codemirror.width){codemirrorWidth=e.settings.codemirror.width}codemirrorHeight=550;if(e.settings.codemirror.width){codemirrorHeight=e.settings.codemirror.height}var o={title:"HTML source code",url:r+"/source.html",width:codemirrorWidth,height:codemirrorHeight,resizable:true,maximizable:true,fullScreen:e.settings.codemirror.fullscreen,buttons:[{text:"Ok",subtype:"primary",onclick:function(){var e=document.querySelectorAll(".mce-container-body>iframe")[0];e.contentWindow.submit();i.close()}},{text:"Cancel",onclick:"close"}]};var i=e.windowManager.open(o);if(e.settings.codemirror.fullscreen){i.fullscreen(true)}}e.addButton("code",{title:"Source code",icon:"code",onclick:o});e.addMenuItem("code",{icon:"code",text:"Source code",context:"tools",onclick:o})});
\ No newline at end of file
diff --git a/html_xblock/public/plugins/codemirror/source.html b/html_xblock/public/plugins/codemirror/source.html
deleted file mode 100644
index d631cb8..0000000
--- a/html_xblock/public/plugins/codemirror/source.html
+++ /dev/null
@@ -1,270 +0,0 @@
-
-
-
-
-
-
-
-
diff --git a/html_xblock/public/plugins/image/plugin.min.js b/html_xblock/public/plugins/image/plugin.min.js
deleted file mode 100644
index 4ab72c5..0000000
--- a/html_xblock/public/plugins/image/plugin.min.js
+++ /dev/null
@@ -1 +0,0 @@
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t.setStart(r.startContainer,r.startOffset),r.endContainer&&t.setEnd(r.endContainer,r.endOffset),L(t)},k=t.DOM,T=function(e,t){var n,o=t.parentNode;"LI"===o.nodeName&&o.firstChild===t&&((n=o.previousSibling)&&"LI"===n.nodeName?(n.appendChild(t),m(e,o)&&k.remove(o)):k.setStyle(o,"listStyleType","none")),h(o)&&(n=o.previousSibling)&&"LI"===n.nodeName&&n.appendChild(t)},I=function(t,e){v.each(v.grep(t.select("ol,ul",e)),function(e){T(t,e)})},B=tinymce.util.Tools.resolve("tinymce.dom.DomQuery"),R=function(e){var t=e.selection.getStart(!0);return e.dom.getParent(t,"OL,UL,DL",O(e,t))},O=function(e,t){var n=e.dom.getParents(t,"TD,TH");return 0'+(o?"×":"")+"
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