web/data/jquery-treeview/jquery.treeview.js
author Julien Cristau <julien.cristau@logilab.fr>
Mon, 18 May 2015 16:36:26 +0200
changeset 10438 f27a489994e8
parent 10100 6718c03f8938
permissions -rw-r--r--
[devtools] make test db name for postgresql process-specific In case we run two tests concurrently on the same cluster, better not use the same db name for both.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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 * Treeview 1.5pre - jQuery plugin to hide and show branches of a tree
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 *
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 * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
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 * http://docs.jquery.com/Plugins/Treeview
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 *
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 * Copyright 2010 Jörn Zaefferer
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 * Released under the MIT license:
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 *   http://www.opensource.org/licenses/mit-license.php
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 */
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;(function($) {
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	// TODO rewrite as a widget, removing all the extra plugins
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	$.extend($.fn, {
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		swapClass: function(c1, c2) {
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			var c1Elements = this.filter('.' + c1);
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			this.filter('.' + c2).removeClass(c2).addClass(c1);
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			c1Elements.removeClass(c1).addClass(c2);
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			return this;
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		},
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		replaceClass: function(c1, c2) {
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			return this.filter('.' + c1).removeClass(c1).addClass(c2).end();
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		},
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		hoverClass: function(className) {
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			className = className || "hover";
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			return this.hover(function() {
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				$(this).addClass(className);
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			}, function() {
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				$(this).removeClass(className);
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			});
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		},
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		heightToggle: function(animated, callback) {
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			animated ?
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				this.animate({ height: "toggle" }, animated, callback) :
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				this.each(function(){
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					jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
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					if(callback)
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						callback.apply(this, arguments);
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				});
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		},
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		heightHide: function(animated, callback) {
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			if (animated) {
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				this.animate({ height: "hide" }, animated, callback);
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			} else {
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				this.hide();
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				if (callback)
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					this.each(callback);
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			}
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		},
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		prepareBranches: function(settings) {
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			if (!settings.prerendered) {
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				// mark last tree items
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				this.filter(":last-child:not(ul)").addClass(CLASSES.last);
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				// collapse whole tree, or only those marked as closed, anyway except those marked as open
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				this.filter((settings.collapsed ? "" : "." + CLASSES.closed) + ":not(." + CLASSES.open + ")").find(">ul").hide();
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			}
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			// return all items with sublists
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			return this.filter(":has(>ul)");
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		},
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		applyClasses: function(settings, toggler) {
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			// TODO use event delegation
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			this.filter(":has(>ul):not(:has(>a))").find(">span").unbind("click.treeview").bind("click.treeview", function(event) {
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				// don't handle click events on children, eg. checkboxes
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				if ( this == event.target )
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					toggler.apply($(this).next());
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			}).add( $("a", this) ).hoverClass();
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			if (!settings.prerendered) {
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				// handle closed ones first
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				this.filter(":has(>ul:hidden)")
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						.addClass(CLASSES.expandable)
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						.replaceClass(CLASSES.last, CLASSES.lastExpandable);
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				// handle open ones
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				this.not(":has(>ul:hidden)")
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						.addClass(CLASSES.collapsable)
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						.replaceClass(CLASSES.last, CLASSES.lastCollapsable);
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	            // create hitarea if not present
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				var hitarea = this.find("div." + CLASSES.hitarea);
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				if (!hitarea.length)
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					hitarea = this.prepend("<div class=\"" + CLASSES.hitarea + "\"/>").find("div." + CLASSES.hitarea);
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				hitarea.removeClass().addClass(CLASSES.hitarea).each(function() {
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					var classes = "";
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					$.each($(this).parent().attr("class").split(" "), function() {
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						classes += this + "-hitarea ";
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					});
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					$(this).addClass( classes );
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				})
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			}
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			// apply event to hitarea
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			this.find("div." + CLASSES.hitarea).click( toggler );
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		},
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		treeview: function(settings) {
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			settings = $.extend({
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				cookieId: "treeview"
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			}, settings);
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			if ( settings.toggle ) {
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				var callback = settings.toggle;
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				settings.toggle = function() {
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					return callback.apply($(this).parent()[0], arguments);
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				};
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			}
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			// factory for treecontroller
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			function treeController(tree, control) {
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				// factory for click handlers
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				function handler(filter) {
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					return function() {
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						// reuse toggle event handler, applying the elements to toggle
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						// start searching for all hitareas
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						toggler.apply( $("div." + CLASSES.hitarea, tree).filter(function() {
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							// for plain toggle, no filter is provided, otherwise we need to check the parent element
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							return filter ? $(this).parent("." + filter).length : true;
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						}) );
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						return false;
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					};
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				}
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				// click on first element to collapse tree
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				$("a:eq(0)", control).click( handler(CLASSES.collapsable) );
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				// click on second to expand tree
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				$("a:eq(1)", control).click( handler(CLASSES.expandable) );
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				// click on third to toggle tree
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				$("a:eq(2)", control).click( handler() );
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			}
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			// handle toggle event
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			function toggler() {
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				$(this)
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					.parent()
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					// swap classes for hitarea
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					.find(">.hitarea")
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						.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
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						.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
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					.end()
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					// swap classes for parent li
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					.swapClass( CLASSES.collapsable, CLASSES.expandable )
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					.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
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					// find child lists
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					.find( ">ul" )
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					// toggle them
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					.heightToggle( settings.animated, settings.toggle );
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				if ( settings.unique ) {
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					$(this).parent()
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						.siblings()
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						// swap classes for hitarea
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						.find(">.hitarea")
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							.replaceClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
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							.replaceClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
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						.end()
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						.replaceClass( CLASSES.collapsable, CLASSES.expandable )
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						.replaceClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
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						.find( ">ul" )
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						.heightHide( settings.animated, settings.toggle );
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				}
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			}
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			this.data("toggler", toggler);
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			function serialize() {
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				function binary(arg) {
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					return arg ? 1 : 0;
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				}
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				var data = [];
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				branches.each(function(i, e) {
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					data[i] = $(e).is(":has(>ul:visible)") ? 1 : 0;
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				});
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				$.cookie(settings.cookieId, data.join(""), settings.cookieOptions );
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			}
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			function deserialize() {
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				var stored = $.cookie(settings.cookieId);
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				if ( stored ) {
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					var data = stored.split("");
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					branches.each(function(i, e) {
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						$(e).find(">ul")[ parseInt(data[i]) ? "show" : "hide" ]();
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					});
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				}
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			}
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			// add treeview class to activate styles
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			this.addClass("treeview");
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			// prepare branches and find all tree items with child lists
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			var branches = this.find("li").prepareBranches(settings);
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			switch(settings.persist) {
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			case "cookie":
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				var toggleCallback = settings.toggle;
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   193
				settings.toggle = function() {
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   194
					serialize();
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   195
					if (toggleCallback) {
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						toggleCallback.apply(this, arguments);
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   197
					}
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   198
				};
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				deserialize();
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				break;
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   201
			case "location":
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   202
				var current = this.find("a").filter(function() {
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   203
					return location.href.toLowerCase().indexOf(this.href.toLowerCase()) == 0;
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   204
				});
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   205
				if ( current.length ) {
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   206
					// TODO update the open/closed classes
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   207
					var items = current.addClass("selected").parents("ul, li").add( current.next() ).show();
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   208
					if (settings.prerendered) {
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   209
						// if prerendered is on, replicate the basic class swapping
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						items.filter("li")
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							.swapClass( CLASSES.collapsable, CLASSES.expandable )
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   212
							.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
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							.find(">.hitarea")
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   214
								.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
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   215
								.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea );
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   216
					}
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				}
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				break;
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   219
			}
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			branches.applyClasses(settings, toggler);
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   222
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   223
			// if control option is set, create the treecontroller and show it
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   224
			if ( settings.control ) {
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				treeController(this, settings.control);
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				$(settings.control).show();
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   227
			}
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   228
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			return this;
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   230
		}
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   231
	});
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	// classes used by the plugin
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	// need to be styled via external stylesheet, see first example
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	$.treeview = {};
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   236
	var CLASSES = ($.treeview.classes = {
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		open: "open",
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   238
		closed: "closed",
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		expandable: "expandable",
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		expandableHitarea: "expandable-hitarea",
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   241
		lastExpandableHitarea: "lastExpandable-hitarea",
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		collapsable: "collapsable",
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		collapsableHitarea: "collapsable-hitarea",
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		lastCollapsableHitarea: "lastCollapsable-hitarea",
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		lastCollapsable: "lastCollapsable",
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		lastExpandable: "lastExpandable",
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		last: "last",
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		hitarea: "hitarea"
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	});
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})(jQuery);