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Add sidebar resize #849

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merged 2 commits into from
Apr 28, 2019
Merged

Add sidebar resize #849

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3d37e24
Add sidebar resizing
gentoo90 Dec 12, 2018
3d8db7f
Disable text selection and CSS transition while resizing sidebar
gentoo90 Dec 12, 2018
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18 changes: 18 additions & 0 deletions src/theme/book.js
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Original file line number Diff line number Diff line change
Expand Up @@ -435,6 +435,7 @@ function playpen_text(playpen) {
var sidebar = document.getElementById("sidebar");
var sidebarLinks = document.querySelectorAll('#sidebar a');
var sidebarToggleButton = document.getElementById("sidebar-toggle");
var sidebarResizeHandle = document.getElementById("sidebar-resize-handle");
var firstContact = null;

function showSidebar() {
Expand Down Expand Up @@ -474,6 +475,23 @@ function playpen_text(playpen) {
}
});

sidebarResizeHandle.addEventListener('mousedown', initResize, false);

function initResize(e) {
window.addEventListener('mousemove', resize, false);
window.addEventListener('mouseup', stopResize, false);
html.classList.add('sidebar-resizing');
}
function resize(e) {
document.documentElement.style.setProperty('--sidebar-width', (e.clientX - sidebar.offsetLeft) + 'px');
}
//on mouseup remove windows functions mousemove & mouseup
function stopResize(e) {
html.classList.remove('sidebar-resizing');
window.removeEventListener('mousemove', resize, false);
window.removeEventListener('mouseup', stopResize, false);
}

document.addEventListener('touchstart', function (e) {
firstContact = {
x: e.touches[0].clientX,
Expand Down
37 changes: 31 additions & 6 deletions src/theme/css/chrome.css
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ html:not(.sidebar-visible) #menu-bar:not(:hover).folded > #menu-bar-sticky-conta
display: flex;
margin: 0 5px;
}
.no-js .left-buttons {
.no-js .left-buttons {
display: none;
}

Expand Down Expand Up @@ -145,7 +145,7 @@ html:not(.sidebar-visible) #menu-bar:not(:hover).folded > #menu-bar-sticky-conta
display: none;
}

.mobile-nav-chapters {
.mobile-nav-chapters {
font-size: 2.5em;
text-align: center;
text-decoration: none;
Expand Down Expand Up @@ -301,21 +301,46 @@ ul#searchresults span.teaser em {
top: 0;
bottom: 0;
width: var(--sidebar-width);
overflow-y: auto;
padding: 10px 10px;
font-size: 0.875em;
box-sizing: border-box;
-webkit-overflow-scrolling: touch;
overscroll-behavior-y: contain;
background-color: var(--sidebar-bg);
color: var(--sidebar-fg);
}
.js .sidebar {
.sidebar-resizing {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
}
.js:not(.sidebar-resizing) .sidebar {
transition: transform 0.3s; /* Animation: slide away */
}
.sidebar code {
line-height: 2em;
}
.sidebar .sidebar-scrollbox {
overflow-y: auto;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
padding: 10px 10px;
}
.sidebar .sidebar-resize-handle {
position: absolute;
cursor: col-resize;
width: 0;
right: 0;
top: 0;
bottom: 0;
}
.js .sidebar .sidebar-resize-handle {
cursor: col-resize;
width: 5px;
}
.sidebar-hidden .sidebar {
transform: translateX(calc(0px - var(--sidebar-width)));
}
Expand Down Expand Up @@ -366,7 +391,7 @@ a:hover {
background-color: var(--sidebar-spacer);
}

@media (-moz-touch-enabled: 1), (pointer: coarse) {
@media (-moz-touch-enabled: 1), (pointer: coarse) {
.chapter li a { padding: 5px 0; }
.spacer { margin: 10px 0; }
}
Expand Down
5 changes: 2 additions & 3 deletions src/theme/css/general.css
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ h4, h5 { margin-top: 2em; }

.header + .header h3,
.header + .header h4,
.header + .header h5 {
.header + .header h5 {
margin-top: 1em;
}

Expand All @@ -51,7 +51,7 @@ a.header:target h4:before {
.page-wrapper {
box-sizing: border-box;
}
.js .page-wrapper {
.js:not(.sidebar-resizing) .page-wrapper {
transition: margin-left 0.3s ease, transform 0.3s ease; /* Animation: slide away */
}

Expand Down Expand Up @@ -141,4 +141,3 @@ blockquote {
.tooltipped .tooltiptext {
visibility: visible;
}

9 changes: 6 additions & 3 deletions src/theme/index.hbs
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@
<!-- Set the theme before any content is loaded, prevents flash -->
<script type="text/javascript">
var theme;
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
if (theme === null || theme === undefined) { theme = default_theme; }
document.body.className = theme;
document.querySelector('html').className = theme + ' js';
Expand All @@ -80,7 +80,10 @@
</script>

<nav id="sidebar" class="sidebar" aria-label="Table of contents">
{{#toc}}{{/toc}}
<div class="sidebar-scrollbox">
{{#toc}}{{/toc}}
</div>
<div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
</nav>

<div id="page-wrapper" class="page-wrapper">
Expand Down Expand Up @@ -110,7 +113,7 @@
{{/if}}
</div>

<h1 class="menu-title">{{ book_title }}</h1>
<h1 class="menu-title">{{ book_title }}</h1>

<div class="right-buttons">
<a href="{{ path_to_root }}print.html" title="Print this book" aria-label="Print this book">
Expand Down