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var tree={}; |
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// # res/script.js | ||
// | ||
// This is the script file that gets copied into the output. It mainly manages the display | ||
// of the folder tree. The idea of this script file is to be minimal and standalone. So | ||
// that means no jQuery. | ||
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// Use localStorage to store data about the tree's state: whether or not | ||
// the tree is visible and which directories are expanded. Unless the state | ||
var sidebarVisible = (window.localStorage && window.localStorage.docker_showSidebar) ? | ||
window.localStorage.docker_showSidebar == 'yes' : | ||
defaultSidebar; | ||
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/** | ||
* ## makeTree | ||
* | ||
* Consructs the folder tree view | ||
* | ||
* @param {object} treeData Folder structure as in [queueFile](../src/docker.js.html#docker.prototype.queuefile) | ||
* @param {string} root Path from current file to root (ie `'../../'` etc.) | ||
* @param {string} filename The current file name | ||
*/ | ||
function makeTree(treeData, root, filename) { | ||
var treeNode = document.getElementById('tree'); | ||
var treeHandle = document.getElementById('sidebar-toggle'); | ||
treeHandle.addEventListener('click', toggleTree, false); | ||
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// Build the html and add it to the container. | ||
treeNode.innerHTML = nodeHtml('', treeData, '', root); | ||
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// Root folder (whole tree) should always be open | ||
treeNode.childNodes[0].className += ' open'; | ||
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// Attach click event handler | ||
treeNode.addEventListener('click', nodeClicked, false); | ||
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if (sidebarVisible) document.body.className += ' sidebar'; | ||
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// Restore scroll position from localStorage if set. And attach scroll handler | ||
if (window.localStorage && window.localStorage.docker_treeScroll) treeNode.scrollTop = window.localStorage.docker_treeScroll; | ||
treeNode.onscroll = treeScrolled; | ||
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// Only set a class to allow CSS transitions after the tree state has been painted | ||
setTimeout(function() { document.body.className += ' slidey'; }, 100); | ||
} | ||
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/** | ||
* ## treeScrolled | ||
* | ||
* Called when the tree is scrolled. Stores the scroll position in localStorage | ||
* so it can be restored on the next pageview. | ||
*/ | ||
function treeScrolled() { | ||
var tree = document.getElementById('tree'); | ||
if (window.localStorage) window.localStorage.docker_treeScroll = tree.scrollTop; | ||
} | ||
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/** | ||
* ## nodeClicked | ||
* | ||
* Called when a directory is clicked. Toggles open state of the directory | ||
* | ||
* @param {Event} e The click event | ||
*/ | ||
function nodeClicked(e) { | ||
// Find the target | ||
var t = e.target; | ||
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// If the click target is actually a file (rather than a directory), ignore it | ||
if (t.tagName.toLowerCase() !== 'div' || t.className === 'children') return; | ||
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// Recurse upwards until we find the actual directory node | ||
while (t && t.className.substring(0, 3) != 'dir') t = t.parentNode; | ||
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// If we're at the root node, then do nothing (we don't allow collapsing of the whole tree) | ||
if (!t || t.parentNode.id == 'tree') return; | ||
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// Find the path and toggle the state, saving the state in the localStorage variable | ||
var path = t.getAttribute('rel'); | ||
if (t.className.indexOf('open') !== -1) { | ||
t.className = t.className.replace(/\s*open/g, ''); | ||
if (window.localStorage) window.localStorage.removeItem('docker_openPath:' + path); | ||
} else { | ||
t.className += ' open'; | ||
if (window.localStorage) window.localStorage['docker_openPath:' + path] = 'yes'; | ||
} | ||
} | ||
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/** | ||
* ## nodeHtml | ||
* | ||
* Constructs the markup for a directory in the tree | ||
* | ||
* @param {string} nodename The node name. | ||
* @param {object} node Node object of same format as whole tree. | ||
* @param {string} path The path form the base to this node | ||
* @param {string} root Relative path from current page to root | ||
*/ | ||
function nodeHtml(nodename, node, path, root) { | ||
// Firstly, figure out whether or not the directory is expanded from localStorage | ||
var isOpen = window.localStorage && window.localStorage['docker_openPath:' + path] == 'yes'; | ||
var out = '<div class="dir' + (isOpen ? ' open' : '') + '" rel="' + path + '">'; | ||
out += '<div class="nodename">' + nodename + '</div>'; | ||
out += '<div class="children">'; | ||
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// Loop through all child directories first | ||
if (node.dirs) { | ||
var dirs = []; | ||
for (var i in node.dirs) { | ||
if (node.dirs.hasOwnProperty(i)) dirs.push({ name: i, html: nodeHtml(i, node.dirs[i], path + i + '/', root) }); | ||
} | ||
// Have to store them in an array first and then sort them alphabetically here | ||
dirs.sort(function(a, b) { return (a.name > b.name) ? 1 : (a.name == b.name) ? 0 : -1; }); | ||
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for (var k = 0; k < dirs.length; k += 1) out += dirs[k].html; | ||
} | ||
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// Now loop through all the child files alphabetically | ||
if (node.files) { | ||
node.files.sort(); | ||
for (var j = 0; j < node.files.length; j += 1) { | ||
out += '<a class="file" href="' + root + path + node.files[j] + '.html">' + node.files[j] + '</a>'; | ||
} | ||
} | ||
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// Close things off | ||
out += '</div></div>'; | ||
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return out; | ||
} | ||
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/** | ||
* ## toggleTree | ||
* | ||
* Toggles the visibility of the folder tree | ||
*/ | ||
function toggleTree() { | ||
// Do the actual toggling by modifying the class on the body element. That way we can get some nice CSS transitions going. | ||
if (sidebarVisible) { | ||
document.body.className = document.body.className.replace(/\s*sidebar/g, ''); | ||
sidebarVisible = false; | ||
} else { | ||
document.body.className += ' sidebar'; | ||
sidebarVisible = true; | ||
} | ||
if (window.localStorage) { | ||
if (sidebarVisible) { | ||
window.localStorage.docker_showSidebar = 'yes'; | ||
} else { | ||
window.localStorage.docker_showSidebar = 'no'; | ||
} | ||
} | ||
} | ||
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/** | ||
* ## wireUpTabs | ||
* | ||
* Wires up events on the sidebar tabe | ||
*/ | ||
function wireUpTabs() { | ||
var tabEl = document.getElementById('sidebar_switch'); | ||
var children = tabEl.childNodes; | ||
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// Each tab has a class corresponding of the id of its tab pane | ||
for (var i = 0, l = children.length; i < l; i += 1) { | ||
// Ignore text nodes | ||
if (children[i].nodeType !== 1) continue; | ||
children[i].addEventListener('click', function(c) { | ||
return function() { switchTab(c); }; | ||
}(children[i].className)); | ||
} | ||
} | ||
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/** | ||
* ## switchTab | ||
* | ||
* Switches tabs in the sidebar | ||
* | ||
* @param {string} tab The ID of the tab to switch to | ||
*/ | ||
function switchTab(tab) { | ||
var tabEl = document.getElementById('sidebar_switch'); | ||
var children = tabEl.childNodes; | ||
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// Easiest way to go through tabs without any kind of selector is just to look at the tab bar | ||
for (var i = 0, l = children.length; i < l; i += 1) { | ||
// Ignore text nodes | ||
if (children[i].nodeType !== 1) continue; | ||
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// Figure out what tab pane this tab button corresponts to | ||
var t = children[i].className.replace(/\s.*$/, ''); | ||
if (t === tab) { | ||
// Show the tab pane, select the tab button | ||
document.getElementById(t).style.display = 'block'; | ||
if (children[i].className.indexOf('selected') === -1) children[i].className += ' selected'; | ||
} else { | ||
// Hide the tab pane, deselect the tab button | ||
document.getElementById(t).style.display = 'none'; | ||
children[i].className = children[i].className.replace(/\sselected/, ''); | ||
} | ||
} | ||
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// Store the last open tab in localStorage | ||
if (window.localStorage) window.localStorage.docker_sidebarTab = tab; | ||
} | ||
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/** | ||
* ## window.onload | ||
* | ||
* When the document is ready, make the sidebar and all that jazz | ||
*/ | ||
(function(init) { | ||
if (window.addEventListener) { | ||
window.addEventListener('DOMContentLoaded', init); | ||
} else { // IE8 and below | ||
window.onload = init; | ||
} | ||
}(function() { | ||
makeTree(tree, relativeDir, thisFile); | ||
wireUpTabs(); | ||
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// Switch to the last viewed sidebar tab if stored, otherwise default to folder tree | ||
if (window.localStorage && window.localStorage.docker_sidebarTab) { | ||
switchTab(window.localStorage.docker_sidebarTab); | ||
} else { | ||
switchTab('tree'); | ||
} | ||
})); |
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