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jquery.ui.datepicker.js
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/*!
* jQuery UI Datepicker 1.10.3
* http://jqueryui.com
*
* Copyright 2013 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/datepicker/
*
* Depends:
* jquery.ui.core.js
*/
(function( $, undefined ) {
$.extend($.ui, { datepicker: { version: "1.10.3" } });
var PROP_NAME = "datepicker",
instActive;
/* Date picker manager.
Use the singleton instance of this class, $.datepicker, to interact with the date picker.
Settings for (groups of) date pickers are maintained in an instance object,
allowing multiple different settings on the same page. */
function Datepicker() {
this._curInst = null; // The current instance in use
this._keyEvent = false; // If the last event was a key event
this._disabledInputs = []; // List of date picker inputs that have been disabled
this._datepickerShowing = false; // True if the popup picker is showing , false if not
this._inDialog = false; // True if showing within a "dialog", false if not
this._mainDivId = "ui-datepicker-div"; // The ID of the main datepicker division
this._inlineClass = "ui-datepicker-inline"; // The name of the inline marker class
this._appendClass = "ui-datepicker-append"; // The name of the append marker class
this._triggerClass = "ui-datepicker-trigger"; // The name of the trigger marker class
this._dialogClass = "ui-datepicker-dialog"; // The name of the dialog marker class
this._disableClass = "ui-datepicker-disabled"; // The name of the disabled covering marker class
this._unselectableClass = "ui-datepicker-unselectable"; // The name of the unselectable cell marker class
this._currentClass = "ui-datepicker-current-day"; // The name of the current day marker class
this._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class
this.regional = []; // Available regional settings, indexed by language code
this.regional[""] = { // Default regional settings
closeText: "Done", // Display text for close link
prevText: "Prev", // Display text for previous month link
nextText: "Next", // Display text for next month link
currentText: "Today", // Display text for current month link
monthNames: ["January","February","March","April","May","June",
"July","August","September","October","November","December"], // Names of months for drop-down and formatting
monthNamesShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"], // For formatting
dayNames: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], // For formatting
dayNamesShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], // For formatting
dayNamesMin: ["Su","Mo","Tu","We","Th","Fr","Sa"], // Column headings for days starting at Sunday
weekHeader: "Wk", // Column header for week of the year
dateFormat: "mm/dd/yy", // See format options on parseDate
firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
isRTL: false, // True if right-to-left language, false if left-to-right
showMonthAfterYear: false, // True if the year select precedes month, false for month then year
yearSuffix: "" // Additional text to append to the year in the month headers
};
this._defaults = { // Global defaults for all the date picker instances
showOn: "focus", // "focus" for popup on focus,
// "button" for trigger button, or "both" for either
showAnim: "fadeIn", // Name of jQuery animation for popup
showOptions: {}, // Options for enhanced animations
defaultDate: null, // Used when field is blank: actual date,
// +/-number for offset from today, null for today
appendText: "", // Display text following the input box, e.g. showing the format
buttonText: "...", // Text for trigger button
buttonImage: "", // URL for trigger button image
buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
hideIfNoPrevNext: false, // True to hide next/previous month links
// if not applicable, false to just disable them
navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
gotoCurrent: false, // True if today link goes back to current selection instead
changeMonth: false, // True if month can be selected directly, false if only prev/next
changeYear: false, // True if year can be selected directly, false if only prev/next
yearRange: "c-10:c+10", // Range of years to display in drop-down,
// either relative to today's year (-nn:+nn), relative to currently displayed year
// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
showOtherMonths: false, // True to show dates in other months, false to leave blank
selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
showWeek: false, // True to show week of the year, false to not show it
calculateWeek: this.iso8601Week, // How to calculate the week of the year,
// takes a Date and returns the number of the week for it
shortYearCutoff: "+10", // Short year values < this are in the current century,
// > this are in the previous century,
// string value starting with "+" for current year + value
minDate: null, // The earliest selectable date, or null for no limit
maxDate: null, // The latest selectable date, or null for no limit
duration: "fast", // Duration of display/closure
beforeShowDay: null, // Function that takes a date and returns an array with
// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
// [2] = cell title (optional), e.g. $.datepicker.noWeekends
beforeShow: null, // Function that takes an input field and
// returns a set of custom settings for the date picker
onSelect: null, // Define a callback function when a date is selected
onChangeMonthYear: null, // Define a callback function when the month or year is changed
onClose: null, // Define a callback function when the datepicker is closed
numberOfMonths: 1, // Number of months to show at a time
showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
stepMonths: 1, // Number of months to step back/forward
stepBigMonths: 12, // Number of months to step back/forward for the big links
altField: "", // Selector for an alternate field to store selected dates into
altFormat: "", // The date format to use for the alternate field
constrainInput: true, // The input is constrained by the current date format
showButtonPanel: false, // True to show button panel, false to not show it
autoSize: false, // True to size the input for the date format, false to leave as is
disabled: false // The initial disabled state
};
$.extend(this._defaults, this.regional[""]);
this.dpDiv = bindHover($("<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"));
}
$.extend(Datepicker.prototype, {
/* Class name added to elements to indicate already configured with a date picker. */
markerClassName: "hasDatepicker",
//Keep track of the maximum number of rows displayed (see #7043)
maxRows: 4,
// TODO rename to "widget" when switching to widget factory
_widgetDatepicker: function() {
return this.dpDiv;
},
/* Override the default settings for all instances of the date picker.
* @param settings object - the new settings to use as defaults (anonymous object)
* @return the manager object
*/
setDefaults: function(settings) {
extendRemove(this._defaults, settings || {});
return this;
},
/* Attach the date picker to a jQuery selection.
* @param target element - the target input field or division or span
* @param settings object - the new settings to use for this date picker instance (anonymous)
*/
_attachDatepicker: function(target, settings) {
var nodeName, inline, inst;
nodeName = target.nodeName.toLowerCase();
inline = (nodeName === "div" || nodeName === "span");
if (!target.id) {
this.uuid += 1;
target.id = "dp" + this.uuid;
}
inst = this._newInst($(target), inline);
inst.settings = $.extend({}, settings || {});
if (nodeName === "input") {
this._connectDatepicker(target, inst);
} else if (inline) {
this._inlineDatepicker(target, inst);
}
},
/* Create a new instance object. */
_newInst: function(target, inline) {
var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, "\\\\$1"); // escape jQuery meta chars
return {id: id, input: target, // associated target
selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
drawMonth: 0, drawYear: 0, // month being drawn
inline: inline, // is datepicker inline or not
dpDiv: (!inline ? this.dpDiv : // presentation div
bindHover($("<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>")))};
},
/* Attach the date picker to an input field. */
_connectDatepicker: function(target, inst) {
var input = $(target);
inst.append = $([]);
inst.trigger = $([]);
if (input.hasClass(this.markerClassName)) {
return;
}
this._attachments(input, inst);
input.addClass(this.markerClassName).keydown(this._doKeyDown).
keypress(this._doKeyPress).keyup(this._doKeyUp);
this._autoSize(inst);
$.data(target, PROP_NAME, inst);
//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
if( inst.settings.disabled ) {
this._disableDatepicker( target );
}
},
/* Make attachments based on settings. */
_attachments: function(input, inst) {
var showOn, buttonText, buttonImage,
appendText = this._get(inst, "appendText"),
isRTL = this._get(inst, "isRTL");
if (inst.append) {
inst.append.remove();
}
if (appendText) {
inst.append = $("<span class='" + this._appendClass + "'>" + appendText + "</span>");
input[isRTL ? "before" : "after"](inst.append);
}
input.unbind("focus", this._showDatepicker);
if (inst.trigger) {
inst.trigger.remove();
}
showOn = this._get(inst, "showOn");
if (showOn === "focus" || showOn === "both") { // pop-up date picker when in the marked field
input.focus(this._showDatepicker);
}
if (showOn === "button" || showOn === "both") { // pop-up date picker when button clicked
buttonText = this._get(inst, "buttonText");
buttonImage = this._get(inst, "buttonImage");
inst.trigger = $(this._get(inst, "buttonImageOnly") ?
$("<img/>").addClass(this._triggerClass).
attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
$("<button type='button'></button>").addClass(this._triggerClass).
html(!buttonImage ? buttonText : $("<img/>").attr(
{ src:buttonImage, alt:buttonText, title:buttonText })));
input[isRTL ? "before" : "after"](inst.trigger);
inst.trigger.click(function() {
if ($.datepicker._datepickerShowing && $.datepicker._lastInput === input[0]) {
$.datepicker._hideDatepicker();
} else if ($.datepicker._datepickerShowing && $.datepicker._lastInput !== input[0]) {
$.datepicker._hideDatepicker();
$.datepicker._showDatepicker(input[0]);
} else {
$.datepicker._showDatepicker(input[0]);
}
return false;
});
}
},
/* Apply the maximum length for the date format. */
_autoSize: function(inst) {
if (this._get(inst, "autoSize") && !inst.inline) {
var findMax, max, maxI, i,
date = new Date(2009, 12 - 1, 20), // Ensure double digits
dateFormat = this._get(inst, "dateFormat");
if (dateFormat.match(/[DM]/)) {
findMax = function(names) {
max = 0;
maxI = 0;
for (i = 0; i < names.length; i++) {
if (names[i].length > max) {
max = names[i].length;
maxI = i;
}
}
return maxI;
};
date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
"monthNames" : "monthNamesShort"))));
date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
"dayNames" : "dayNamesShort"))) + 20 - date.getDay());
}
inst.input.attr("size", this._formatDate(inst, date).length);
}
},
/* Attach an inline date picker to a div. */
_inlineDatepicker: function(target, inst) {
var divSpan = $(target);
if (divSpan.hasClass(this.markerClassName)) {
return;
}
divSpan.addClass(this.markerClassName).append(inst.dpDiv);
$.data(target, PROP_NAME, inst);
this._setDate(inst, this._getDefaultDate(inst), true);
this._updateDatepicker(inst);
this._updateAlternate(inst);
//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
if( inst.settings.disabled ) {
this._disableDatepicker( target );
}
// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
inst.dpDiv.css( "display", "block" );
},
/* Pop-up the date picker in a "dialog" box.
* @param input element - ignored
* @param date string or Date - the initial date to display
* @param onSelect function - the function to call when a date is selected
* @param settings object - update the dialog date picker instance's settings (anonymous object)
* @param pos int[2] - coordinates for the dialog's position within the screen or
* event - with x/y coordinates or
* leave empty for default (screen centre)
* @return the manager object
*/
_dialogDatepicker: function(input, date, onSelect, settings, pos) {
var id, browserWidth, browserHeight, scrollX, scrollY,
inst = this._dialogInst; // internal instance
if (!inst) {
this.uuid += 1;
id = "dp" + this.uuid;
this._dialogInput = $("<input type='text' id='" + id +
"' style='position: absolute; top: -100px; width: 0px;'/>");
this._dialogInput.keydown(this._doKeyDown);
$("body").append(this._dialogInput);
inst = this._dialogInst = this._newInst(this._dialogInput, false);
inst.settings = {};
$.data(this._dialogInput[0], PROP_NAME, inst);
}
extendRemove(inst.settings, settings || {});
date = (date && date.constructor === Date ? this._formatDate(inst, date) : date);
this._dialogInput.val(date);
this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
if (!this._pos) {
browserWidth = document.documentElement.clientWidth;
browserHeight = document.documentElement.clientHeight;
scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
scrollY = document.documentElement.scrollTop || document.body.scrollTop;
this._pos = // should use actual width/height below
[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
}
// move input on screen for focus, but hidden behind dialog
this._dialogInput.css("left", (this._pos[0] + 20) + "px").css("top", this._pos[1] + "px");
inst.settings.onSelect = onSelect;
this._inDialog = true;
this.dpDiv.addClass(this._dialogClass);
this._showDatepicker(this._dialogInput[0]);
if ($.blockUI) {
$.blockUI(this.dpDiv);
}
$.data(this._dialogInput[0], PROP_NAME, inst);
return this;
},
/* Detach a datepicker from its control.
* @param target element - the target input field or division or span
*/
_destroyDatepicker: function(target) {
var nodeName,
$target = $(target),
inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
nodeName = target.nodeName.toLowerCase();
$.removeData(target, PROP_NAME);
if (nodeName === "input") {
inst.append.remove();
inst.trigger.remove();
$target.removeClass(this.markerClassName).
unbind("focus", this._showDatepicker).
unbind("keydown", this._doKeyDown).
unbind("keypress", this._doKeyPress).
unbind("keyup", this._doKeyUp);
} else if (nodeName === "div" || nodeName === "span") {
$target.removeClass(this.markerClassName).empty();
}
},
/* Enable the date picker to a jQuery selection.
* @param target element - the target input field or division or span
*/
_enableDatepicker: function(target) {
var nodeName, inline,
$target = $(target),
inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
nodeName = target.nodeName.toLowerCase();
if (nodeName === "input") {
target.disabled = false;
inst.trigger.filter("button").
each(function() { this.disabled = false; }).end().
filter("img").css({opacity: "1.0", cursor: ""});
} else if (nodeName === "div" || nodeName === "span") {
inline = $target.children("." + this._inlineClass);
inline.children().removeClass("ui-state-disabled");
inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
prop("disabled", false);
}
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value === target ? null : value); }); // delete entry
},
/* Disable the date picker to a jQuery selection.
* @param target element - the target input field or division or span
*/
_disableDatepicker: function(target) {
var nodeName, inline,
$target = $(target),
inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
nodeName = target.nodeName.toLowerCase();
if (nodeName === "input") {
target.disabled = true;
inst.trigger.filter("button").
each(function() { this.disabled = true; }).end().
filter("img").css({opacity: "0.5", cursor: "default"});
} else if (nodeName === "div" || nodeName === "span") {
inline = $target.children("." + this._inlineClass);
inline.children().addClass("ui-state-disabled");
inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
prop("disabled", true);
}
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value === target ? null : value); }); // delete entry
this._disabledInputs[this._disabledInputs.length] = target;
},
/* Is the first field in a jQuery collection disabled as a datepicker?
* @param target element - the target input field or division or span
* @return boolean - true if disabled, false if enabled
*/
_isDisabledDatepicker: function(target) {
if (!target) {
return false;
}
for (var i = 0; i < this._disabledInputs.length; i++) {
if (this._disabledInputs[i] === target) {
return true;
}
}
return false;
},
/* Retrieve the instance data for the target control.
* @param target element - the target input field or division or span
* @return object - the associated instance data
* @throws error if a jQuery problem getting data
*/
_getInst: function(target) {
try {
return $.data(target, PROP_NAME);
}
catch (err) {
throw "Missing instance data for this datepicker";
}
},
/* Update or retrieve the settings for a date picker attached to an input field or division.
* @param target element - the target input field or division or span
* @param name object - the new settings to update or
* string - the name of the setting to change or retrieve,
* when retrieving also "all" for all instance settings or
* "defaults" for all global defaults
* @param value any - the new value for the setting
* (omit if above is an object or to retrieve a value)
*/
_optionDatepicker: function(target, name, value) {
var settings, date, minDate, maxDate,
inst = this._getInst(target);
if (arguments.length === 2 && typeof name === "string") {
return (name === "defaults" ? $.extend({}, $.datepicker._defaults) :
(inst ? (name === "all" ? $.extend({}, inst.settings) :
this._get(inst, name)) : null));
}
settings = name || {};
if (typeof name === "string") {
settings = {};
settings[name] = value;
}
if (inst) {
if (this._curInst === inst) {
this._hideDatepicker();
}
date = this._getDateDatepicker(target, true);
minDate = this._getMinMaxDate(inst, "min");
maxDate = this._getMinMaxDate(inst, "max");
extendRemove(inst.settings, settings);
// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
if (minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined) {
inst.settings.minDate = this._formatDate(inst, minDate);
}
if (maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined) {
inst.settings.maxDate = this._formatDate(inst, maxDate);
}
if ( "disabled" in settings ) {
if ( settings.disabled ) {
this._disableDatepicker(target);
} else {
this._enableDatepicker(target);
}
}
this._attachments($(target), inst);
this._autoSize(inst);
this._setDate(inst, date);
this._updateAlternate(inst);
this._updateDatepicker(inst);
}
},
// change method deprecated
_changeDatepicker: function(target, name, value) {
this._optionDatepicker(target, name, value);
},
/* Redraw the date picker attached to an input field or division.
* @param target element - the target input field or division or span
*/
_refreshDatepicker: function(target) {
var inst = this._getInst(target);
if (inst) {
this._updateDatepicker(inst);
}
},
/* Set the dates for a jQuery selection.
* @param target element - the target input field or division or span
* @param date Date - the new date
*/
_setDateDatepicker: function(target, date) {
var inst = this._getInst(target);
if (inst) {
this._setDate(inst, date);
this._updateDatepicker(inst);
this._updateAlternate(inst);
}
},
/* Get the date(s) for the first entry in a jQuery selection.
* @param target element - the target input field or division or span
* @param noDefault boolean - true if no default date is to be used
* @return Date - the current date
*/
_getDateDatepicker: function(target, noDefault) {
var inst = this._getInst(target);
if (inst && !inst.inline) {
this._setDateFromField(inst, noDefault);
}
return (inst ? this._getDate(inst) : null);
},
/* Handle keystrokes. */
_doKeyDown: function(event) {
var onSelect, dateStr, sel,
inst = $.datepicker._getInst(event.target),
handled = true,
isRTL = inst.dpDiv.is(".ui-datepicker-rtl");
inst._keyEvent = true;
if ($.datepicker._datepickerShowing) {
switch (event.keyCode) {
case 9: $.datepicker._hideDatepicker();
handled = false;
break; // hide on tab out
case 13: sel = $("td." + $.datepicker._dayOverClass + ":not(." +
$.datepicker._currentClass + ")", inst.dpDiv);
if (sel[0]) {
$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
}
onSelect = $.datepicker._get(inst, "onSelect");
if (onSelect) {
dateStr = $.datepicker._formatDate(inst);
// trigger custom callback
onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
} else {
$.datepicker._hideDatepicker();
}
return false; // don't submit the form
case 27: $.datepicker._hideDatepicker();
break; // hide on escape
case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
-$.datepicker._get(inst, "stepBigMonths") :
-$.datepicker._get(inst, "stepMonths")), "M");
break; // previous month/year on page up/+ ctrl
case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+$.datepicker._get(inst, "stepBigMonths") :
+$.datepicker._get(inst, "stepMonths")), "M");
break; // next month/year on page down/+ ctrl
case 35: if (event.ctrlKey || event.metaKey) {
$.datepicker._clearDate(event.target);
}
handled = event.ctrlKey || event.metaKey;
break; // clear on ctrl or command +end
case 36: if (event.ctrlKey || event.metaKey) {
$.datepicker._gotoToday(event.target);
}
handled = event.ctrlKey || event.metaKey;
break; // current on ctrl or command +home
case 37: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), "D");
}
handled = event.ctrlKey || event.metaKey;
// -1 day on ctrl or command +left
if (event.originalEvent.altKey) {
$.datepicker._adjustDate(event.target, (event.ctrlKey ?
-$.datepicker._get(inst, "stepBigMonths") :
-$.datepicker._get(inst, "stepMonths")), "M");
}
// next month/year on alt +left on Mac
break;
case 38: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, -7, "D");
}
handled = event.ctrlKey || event.metaKey;
break; // -1 week on ctrl or command +up
case 39: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), "D");
}
handled = event.ctrlKey || event.metaKey;
// +1 day on ctrl or command +right
if (event.originalEvent.altKey) {
$.datepicker._adjustDate(event.target, (event.ctrlKey ?
+$.datepicker._get(inst, "stepBigMonths") :
+$.datepicker._get(inst, "stepMonths")), "M");
}
// next month/year on alt +right
break;
case 40: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, +7, "D");
}
handled = event.ctrlKey || event.metaKey;
break; // +1 week on ctrl or command +down
default: handled = false;
}
} else if (event.keyCode === 36 && event.ctrlKey) { // display the date picker on ctrl+home
$.datepicker._showDatepicker(this);
} else {
handled = false;
}
if (handled) {
event.preventDefault();
event.stopPropagation();
}
},
/* Filter entered characters - based on date format. */
_doKeyPress: function(event) {
var chars, chr,
inst = $.datepicker._getInst(event.target);
if ($.datepicker._get(inst, "constrainInput")) {
chars = $.datepicker._possibleChars($.datepicker._get(inst, "dateFormat"));
chr = String.fromCharCode(event.charCode == null ? event.keyCode : event.charCode);
return event.ctrlKey || event.metaKey || (chr < " " || !chars || chars.indexOf(chr) > -1);
}
},
/* Synchronise manual entry and field/alternate field. */
_doKeyUp: function(event) {
var date,
inst = $.datepicker._getInst(event.target);
if (inst.input.val() !== inst.lastVal) {
try {
date = $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),
(inst.input ? inst.input.val() : null),
$.datepicker._getFormatConfig(inst));
if (date) { // only if valid
$.datepicker._setDateFromField(inst);
$.datepicker._updateAlternate(inst);
$.datepicker._updateDatepicker(inst);
}
}
catch (err) {
}
}
return true;
},
/* Pop-up the date picker for a given input field.
* If false returned from beforeShow event handler do not show.
* @param input element - the input field attached to the date picker or
* event - if triggered by focus
*/
_showDatepicker: function(input) {
input = input.target || input;
if (input.nodeName.toLowerCase() !== "input") { // find from button/image trigger
input = $("input", input.parentNode)[0];
}
if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput === input) { // already here
return;
}
var inst, beforeShow, beforeShowSettings, isFixed,
offset, showAnim, duration;
inst = $.datepicker._getInst(input);
if ($.datepicker._curInst && $.datepicker._curInst !== inst) {
$.datepicker._curInst.dpDiv.stop(true, true);
if ( inst && $.datepicker._datepickerShowing ) {
$.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
}
}
beforeShow = $.datepicker._get(inst, "beforeShow");
beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
if(beforeShowSettings === false){
return;
}
extendRemove(inst.settings, beforeShowSettings);
inst.lastVal = null;
$.datepicker._lastInput = input;
$.datepicker._setDateFromField(inst);
if ($.datepicker._inDialog) { // hide cursor
input.value = "";
}
if (!$.datepicker._pos) { // position below input
$.datepicker._pos = $.datepicker._findPos(input);
$.datepicker._pos[1] += input.offsetHeight; // add the height
}
isFixed = false;
$(input).parents().each(function() {
isFixed |= $(this).css("position") === "fixed";
return !isFixed;
});
offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
$.datepicker._pos = null;
//to avoid flashes on Firefox
inst.dpDiv.empty();
// determine sizing offscreen
inst.dpDiv.css({position: "absolute", display: "block", top: "-1000px"});
$.datepicker._updateDatepicker(inst);
// fix width for dynamic number of date pickers
// and adjust position before showing
offset = $.datepicker._checkOffset(inst, offset, isFixed);
inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
"static" : (isFixed ? "fixed" : "absolute")), display: "none",
left: offset.left + "px", top: offset.top + "px"});
if (!inst.inline) {
showAnim = $.datepicker._get(inst, "showAnim");
duration = $.datepicker._get(inst, "duration");
inst.dpDiv.zIndex($(input).zIndex()+1);
$.datepicker._datepickerShowing = true;
if ( $.effects && $.effects.effect[ showAnim ] ) {
inst.dpDiv.show(showAnim, $.datepicker._get(inst, "showOptions"), duration);
} else {
inst.dpDiv[showAnim || "show"](showAnim ? duration : null);
}
if ( $.datepicker._shouldFocusInput( inst ) ) {
inst.input.focus();
}
$.datepicker._curInst = inst;
}
},
/* Generate the date picker content. */
_updateDatepicker: function(inst) {
this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
instActive = inst; // for delegate hover events
inst.dpDiv.empty().append(this._generateHTML(inst));
this._attachHandlers(inst);
inst.dpDiv.find("." + this._dayOverClass + " a").mouseover();
var origyearshtml,
numMonths = this._getNumberOfMonths(inst),
cols = numMonths[1],
width = 17;
inst.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width("");
if (cols > 1) {
inst.dpDiv.addClass("ui-datepicker-multi-" + cols).css("width", (width * cols) + "em");
}
inst.dpDiv[(numMonths[0] !== 1 || numMonths[1] !== 1 ? "add" : "remove") +
"Class"]("ui-datepicker-multi");
inst.dpDiv[(this._get(inst, "isRTL") ? "add" : "remove") +
"Class"]("ui-datepicker-rtl");
if (inst === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput( inst ) ) {
inst.input.focus();
}
// deffered render of the years select (to avoid flashes on Firefox)
if( inst.yearshtml ){
origyearshtml = inst.yearshtml;
setTimeout(function(){
//assure that inst.yearshtml didn't change.
if( origyearshtml === inst.yearshtml && inst.yearshtml ){
inst.dpDiv.find("select.ui-datepicker-year:first").replaceWith(inst.yearshtml);
}
origyearshtml = inst.yearshtml = null;
}, 0);
}
},
// #6694 - don't focus the input if it's already focused
// this breaks the change event in IE
// Support: IE and jQuery <1.9
_shouldFocusInput: function( inst ) {
return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" ) && !inst.input.is( ":focus" );
},
/* Check positioning to remain on screen. */
_checkOffset: function(inst, offset, isFixed) {
var dpWidth = inst.dpDiv.outerWidth(),
dpHeight = inst.dpDiv.outerHeight(),
inputWidth = inst.input ? inst.input.outerWidth() : 0,
inputHeight = inst.input ? inst.input.outerHeight() : 0,
viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft()),
viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());
offset.left -= (this._get(inst, "isRTL") ? (dpWidth - inputWidth) : 0);
offset.left -= (isFixed && offset.left === inst.input.offset().left) ? $(document).scrollLeft() : 0;
offset.top -= (isFixed && offset.top === (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
// now check if datepicker is showing outside window viewport - move to a better place if so.
offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
Math.abs(offset.left + dpWidth - viewWidth) : 0);
offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
Math.abs(dpHeight + inputHeight) : 0);
return offset;
},
/* Find an object's position on the screen. */
_findPos: function(obj) {
var position,
inst = this._getInst(obj),
isRTL = this._get(inst, "isRTL");
while (obj && (obj.type === "hidden" || obj.nodeType !== 1 || $.expr.filters.hidden(obj))) {
obj = obj[isRTL ? "previousSibling" : "nextSibling"];
}
position = $(obj).offset();
return [position.left, position.top];
},
/* Hide the date picker from view.
* @param input element - the input field attached to the date picker
*/
_hideDatepicker: function(input) {
var showAnim, duration, postProcess, onClose,
inst = this._curInst;
if (!inst || (input && inst !== $.data(input, PROP_NAME))) {
return;
}
if (this._datepickerShowing) {
showAnim = this._get(inst, "showAnim");
duration = this._get(inst, "duration");
postProcess = function() {
$.datepicker._tidyDialog(inst);
};
// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
inst.dpDiv.hide(showAnim, $.datepicker._get(inst, "showOptions"), duration, postProcess);
} else {
inst.dpDiv[(showAnim === "slideDown" ? "slideUp" :
(showAnim === "fadeIn" ? "fadeOut" : "hide"))]((showAnim ? duration : null), postProcess);
}
if (!showAnim) {
postProcess();
}
this._datepickerShowing = false;
onClose = this._get(inst, "onClose");
if (onClose) {
onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ""), inst]);
}
this._lastInput = null;
if (this._inDialog) {
this._dialogInput.css({ position: "absolute", left: "0", top: "-100px" });
if ($.blockUI) {
$.unblockUI();
$("body").append(this.dpDiv);
}
}
this._inDialog = false;
}
},
/* Tidy up after a dialog display. */
_tidyDialog: function(inst) {
inst.dpDiv.removeClass(this._dialogClass).unbind(".ui-datepicker-calendar");
},
/* Close date picker if clicked elsewhere. */
_checkExternalClick: function(event) {
if (!$.datepicker._curInst) {
return;
}
var $target = $(event.target),
inst = $.datepicker._getInst($target[0]);
if ( ( ( $target[0].id !== $.datepicker._mainDivId &&
$target.parents("#" + $.datepicker._mainDivId).length === 0 &&
!$target.hasClass($.datepicker.markerClassName) &&
!$target.closest("." + $.datepicker._triggerClass).length &&
$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst !== inst ) ) {
$.datepicker._hideDatepicker();
}
},
/* Adjust one of the date sub-fields. */
_adjustDate: function(id, offset, period) {
var target = $(id),
inst = this._getInst(target[0]);
if (this._isDisabledDatepicker(target[0])) {
return;
}
this._adjustInstDate(inst, offset +
(period === "M" ? this._get(inst, "showCurrentAtPos") : 0), // undo positioning
period);
this._updateDatepicker(inst);
},
/* Action for current link. */
_gotoToday: function(id) {
var date,
target = $(id),
inst = this._getInst(target[0]);
if (this._get(inst, "gotoCurrent") && inst.currentDay) {
inst.selectedDay = inst.currentDay;
inst.drawMonth = inst.selectedMonth = inst.currentMonth;
inst.drawYear = inst.selectedYear = inst.currentYear;
} else {
date = new Date();
inst.selectedDay = date.getDate();
inst.drawMonth = inst.selectedMonth = date.getMonth();
inst.drawYear = inst.selectedYear = date.getFullYear();
}
this._notifyChange(inst);
this._adjustDate(target);
},
/* Action for selecting a new month/year. */
_selectMonthYear: function(id, select, period) {
var target = $(id),
inst = this._getInst(target[0]);
inst["selected" + (period === "M" ? "Month" : "Year")] =
inst["draw" + (period === "M" ? "Month" : "Year")] =
parseInt(select.options[select.selectedIndex].value,10);
this._notifyChange(inst);
this._adjustDate(target);
},
/* Action for selecting a day. */
_selectDay: function(id, month, year, td) {
var inst,
target = $(id);
if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
return;
}
inst = this._getInst(target[0]);
inst.selectedDay = inst.currentDay = $("a", td).html();
inst.selectedMonth = inst.currentMonth = month;
inst.selectedYear = inst.currentYear = year;
this._selectDate(id, this._formatDate(inst,
inst.currentDay, inst.currentMonth, inst.currentYear));
},
/* Erase the input field and hide the date picker. */
_clearDate: function(id) {
var target = $(id);
this._selectDate(target, "");
},
/* Update the input field with the selected date. */
_selectDate: function(id, dateStr) {
var onSelect,
target = $(id),
inst = this._getInst(target[0]);
dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
if (inst.input) {
inst.input.val(dateStr);
}
this._updateAlternate(inst);
onSelect = this._get(inst, "onSelect");
if (onSelect) {