ifm/WebRoot/js/jquery/tree/treeview.js

/*
 * Treeview 1.4 - jQuery plugin to hide and show branches of a tree
 * 
 * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
 * http://docs.jquery.com/Plugins/Treeview
 *
 * Copyright (c) 2007 Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.treeview.js 4684 2008-02-07 19:08:06Z joern.zaefferer $
 *
 */

;(function($) {

	$.extend($.fn, {
		swapClass: function(c1, c2) {
			var c1Elements = this.filter('.' + c1);
			this.filter('.' + c2).removeClass(c2).addClass(c1);
			c1Elements.removeClass(c1).addClass(c2);
			return this;
		},
		replaceClass: function(c1, c2) {
			return this.filter('.' + c1).removeClass(c1).addClass(c2).end();
		},
		hoverClass: function(className) {
			className = className || "hover";
			return this.hover(function() {
				$(this).addClass(className);
			}, function() {
				$(this).removeClass(className);
			});
		},
		heightToggle: function(animated, callback) {
			animated ?
				this.animate({ height: "toggle" }, animated, callback) :
				this.each(function(){
					jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
					if(callback)
						callback.apply(this, arguments);
				});
		},
		heightHide: function(animated, callback) {
			if (animated) {
				this.animate({ height: "hide" }, animated, callback);
			} else {
				this.hide();
				if (callback)
					this.each(callback);				
			}
		},
		prepareBranches: function(settings) {
			if (!settings.prerendered) {
				// mark last tree items
				this.filter(":last-child:not(ul)").addClass(CLASSES.last);
				// collapse whole tree, or only those marked as closed, anyway except those marked as open
				this.filter((settings.collapsed ? "" : "." + CLASSES.closed) + ":not(." + CLASSES.open + ")").find(">ul").hide();
			}
			// return all items with sublists
			return this.filter(":has(>ul)");
		},
		applyClasses: function(settings, toggler) {
			this.filter(":has(>ul):not(:has(>a))").find(">span").click(function(event) {
				toggler.apply($(this).next());
			}).add( $("a", this) ).hoverClass();
			
			if (!settings.prerendered) {
				// handle closed ones first
				this.filter(":has(>ul:hidden)")
						.addClass(CLASSES.expandable)
						.replaceClass(CLASSES.last, CLASSES.lastExpandable);
						
				// handle open ones
				this.not(":has(>ul:hidden)")
						.addClass(CLASSES.collapsable)
						.replaceClass(CLASSES.last, CLASSES.lastCollapsable);
						
	            // create hitarea
				this.prepend("<div class=\"" + CLASSES.hitarea + "\"/>").find("div." + CLASSES.hitarea).each(function() {
					var classes = "";
					$.each($(this).parent().attr("class").split(" "), function() {
						classes += this + "-hitarea ";
					});
					$(this).addClass( classes );
				});
			}
			
			// apply event to hitarea
			this.find("div." + CLASSES.hitarea).click( toggler );
		},
		treeview: function(settings) {
			
			settings = $.extend({
				cookieId: "treeview"
			}, settings);
			
			if (settings.add) {
				return this.trigger("add", [settings.add]);
			}
			
			if ( settings.toggle ) {
				var callback = settings.toggle;
				settings.toggle = function() {
					return callback.apply($(this).parent()[0], arguments);
				};
			}
		
			// factory for treecontroller
			function treeController(tree, control) {
				// factory for click handlers
				function handler(filter) {
					return function() {
						// reuse toggle event handler, applying the elements to toggle
						// start searching for all hitareas
						toggler.apply( $("div." + CLASSES.hitarea, tree).filter(function() {
							// for plain toggle, no filter is provided, otherwise we need to check the parent element
							return filter ? $(this).parent("." + filter).length : true;
						}) );
						return false;
					};
				}
				// click on first element to collapse tree
				$("a:eq(0)", control).click( handler(CLASSES.collapsable) );
				// click on second to expand tree
				$("a:eq(1)", control).click( handler(CLASSES.expandable) );
				// click on third to toggle tree
				$("a:eq(2)", control).click( handler() ); 
			}
		
			// handle toggle event
			function toggler() {
				$(this)
					.parent()
					// swap classes for hitarea
					.find(">.hitarea")
						.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
						.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
					.end()
					// swap classes for parent li
					.swapClass( CLASSES.collapsable, CLASSES.expandable )
					.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
					// find child lists
					.find( ">ul" )
					// toggle them
					.heightToggle( settings.animated, settings.toggle );
				if ( settings.unique ) {
					$(this).parent()
						.siblings()
						// swap classes for hitarea
						.find(">.hitarea")
							.replaceClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
							.replaceClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
						.end()
						.replaceClass( CLASSES.collapsable, CLASSES.expandable )
						.replaceClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
						.find( ">ul" )
						.heightHide( settings.animated, settings.toggle );
				}
			}
			
			function serialize() {
				function binary(arg) {
					return arg ? 1 : 0;
				}
				var data = [];
				branches.each(function(i, e) {
					data[i] = $(e).is(":has(>ul:visible)") ? 1 : 0;
				});
				$.cookie(settings.cookieId, data.join("") );
			}
			
			function deserialize() {
				var stored = $.cookie(settings.cookieId);
				if ( stored ) {
					var data = stored.split("");
					branches.each(function(i, e) {
						$(e).find(">ul")[ parseInt(data[i]) ? "show" : "hide" ]();
					});
				}
			}
			
			// add treeview class to activate styles
			this.addClass("treeview");
			
			// prepare branches and find all tree items with child lists
			var branches = this.find("li").prepareBranches(settings);
			
			switch(settings.persist) {
			case "cookie":
				var toggleCallback = settings.toggle;
				settings.toggle = function() {
					serialize();
					if (toggleCallback) {
						toggleCallback.apply(this, arguments);
					}
				};
				deserialize();
				break;
			case "location":
				var current = this.find("a").filter(function() { return this.href.toLowerCase() == location.href.toLowerCase(); });
				if ( current.length ) {
					current.addClass("selected").parents("ul, li").add( current.next() ).show();
				}
				break;
			}
			//add by bin.gu 09-05-20 start
			var container = $(this);
			this.find("a").each(function() {
						$(this).click(function() {
									container.find('a.selected').each(
											function() {
												$(this).removeClass('selected');
											});
									$(this).addClass('selected');
								});
			});
			//end
			branches.applyClasses(settings, toggler);
				
			// if control option is set, create the treecontroller and show it
			if ( settings.control ) {
				treeController(this, settings.control);
				$(settings.control).show();
			}
			
			return this.bind("add", function(event, branches) {
				$(branches).prev()
					.removeClass(CLASSES.last)
					.removeClass(CLASSES.lastCollapsable)
					.removeClass(CLASSES.lastExpandable)
				.find(">.hitarea")
					.removeClass(CLASSES.lastCollapsableHitarea)
					.removeClass(CLASSES.lastExpandableHitarea);
				$(branches).find("li").andSelf().prepareBranches(settings).applyClasses(settings, toggler);
			});
		}
	});
	
	// classes used by the plugin
	// need to be styled via external stylesheet, see first example
	var CLASSES = $.fn.treeview.classes = {
		open: "open",
		closed: "closed",
		expandable: "expandable",
		expandableHitarea: "expandable-hitarea",
		lastExpandableHitarea: "lastExpandable-hitarea",
		collapsable: "collapsable",
		collapsableHitarea: "collapsable-hitarea",
		lastCollapsableHitarea: "lastCollapsable-hitarea",
		lastCollapsable: "lastCollapsable",
		lastExpandable: "lastExpandable",
		last: "last",
		hitarea: "hitarea"
	};
	
	// provide backwards compability
	$.fn.Treeview = $.fn.treeview;
	
})(jQuery);
(function($) {

function load(settings, child, container,asyncSpan) {
	$.ajax({
					url : settings.url,
					cache : false,
					dataType : 'json',
					type:'post',
					data : settings.params,
					success : function(response) {
						function createNode(parent) {
							var current = $("<li/>").attr("id", this.id || "")
									.html("<span><a>" + this.text + "</a></span>")
									.appendTo(parent);
							if (this.classes) {
								current.children("span").addClass(this.classes);
							} else {
								current.children("span").addClass('file');
							}
							if (this.expanded) {
								current.addClass("open");
							}
							var node = {
								"id" : this.id,
								"text" : this.text,
								"link" : this.link,
								"hasChildren" : this.hasChildren
							};
							$("a", current).click(function(e) {
										if(settings.processNode){
											settings.processNode(node);
											container.find('a').each(function(){
												$(this).removeClass('nodeSelected');
											}) ;
											$(this).addClass('nodeSelected');
										}
										
									}).hoverClass();
							if (this.hasChildren || this.children
									&& this.children.length) {
								$(">li>span",parent).removeClass('file').addClass('folder')
								var branch = $("<ul/>").appendTo(current);
								if (this.hasChildren) {
									current.addClass("hasChildren");
									createNode.call({
												text : "placeholder",
												id : "placeholder",
												children : []
											}, branch);
								}
								if (this.children && this.children.length) {
									$.each(this.children, createNode, [branch])
								}
							}
						}
						
						if (response != "") {
							$.each(response, createNode, [child]);
							$(container).treeview({
										add : child
									});

						}
						//change bin.gu 09-04-21
						if (asyncSpan) {
							asyncSpan.replaceClass('loading', 'folder');
						}
					},
					error:function(response){
						alert('出现异常');
					}
				});
}

var proxied = $.fn.treeview;
$.fn.ajaxTree = function(settings) {
	
	if(!settings.params){
		settings.params=[];
	}
	if (!settings.url) {
		return proxied.apply(this, arguments);
	}
	var container = this;
	load(settings, this, container);
	var userToggle = settings.toggle;
	return proxied.call(this, $.extend({}, settings, {
		collapsed: true,
		toggle: function() {
			var $this = $(this);
			if ($this.hasClass("hasChildren")) {
				var asyncSpan = $(">span",$(this));
				asyncSpan.replaceClass('folder', 'loading');
				var childList = $this.removeClass("hasChildren").find("ul");
				childList.empty();
				
				if(settings.async){
					if (settings.asyncData) {
							var params = settings.asyncData($this.attr('id'),
									$this.text());
							/**
							for (var pi = 0; pi < params.length; pi++) {
								settings.params[settings.params.length] = params[pi];
							}
							**/
							
						   settings.params = params ;
						}
				}
				load(settings, childList, container,asyncSpan);
			}
			if (userToggle) {
				userToggle.apply(this, arguments);
			}
		}
	}));
};
$.fn.selectedTreeMenu = function(menuName){
			var container = $(this);
			$(this).find("a").each(function() {
							
				var text = $(this).text();
				if(text==menuName){
					$(this).addClass('selected');
				}else{
					$(this).removeClass('selected');
				}
			});
}
$.fn.findTreeById = function(id){
	var findLi ;
	$(this).find('li').each(function(){
		 var treeLi =$(this) ; 
		 var liId = treeLi.attr('id'); 
		 if(liId == id){
		 	 findLi = treeLi ;
		 	 return;
		 }
		
	});
	return findLi ;
}
})(jQuery);