/*Copyright (c) 2007, Yahoo! Inc. All rights reserved.Code licensed under the BSD License:http://developer.yahoo.net/yui/license.txtversion: 2.3.0*/YAHOO.widget.TreeView=function(id){if(id){this.init(id);}};YAHOO.widget.TreeView.prototype={id:null,_el:null,_nodes:null,locked:false,_expandAnim:null,_collapseAnim:null,_animCount:0,maxAnim:2,setExpandAnim:function(type){if(YAHOO.widget.TVAnim.isValid(type)){this._expandAnim=type;}},setCollapseAnim:function(type){if(YAHOO.widget.TVAnim.isValid(type)){this._collapseAnim=type;}},animateExpand:function(el,node){if(this._expandAnim&&this._animCount<this.maxAnim){var tree=this;var a=YAHOO.widget.TVAnim.getAnim(this._expandAnim,el,function(){tree.expandComplete(node);});if(a){++this._animCount;this.fireEvent("animStart",{"node":node,"type":"expand"});a.animate();}return true;}return false;},animateCollapse:function(el,node){if(this._collapseAnim&&this._animCount<this.maxAnim){var tree=this;var a=YAHOO.widget.TVAnim.getAnim(this._collapseAnim,el,function(){tree.collapseComplete(node);});if(a){++this._animCount;this.fireEvent("animStart",{"node":node,"type":"collapse"});a.animate();}return true;}return false;},expandComplete:function(node){--this._animCount;this.fireEvent("animComplete",{"node":node,"type":"expand"});},collapseComplete:function(node){--this._animCount;this.fireEvent("animComplete",{"node":node,"type":"collapse"});},init:function(id){this.id=id;if("string"!==typeof id){this._el=id;this.id=this.generateId(id);}this.createEvent("animStart",this);this.createEvent("animComplete",this);this.createEvent("collapse",this);this.createEvent("collapseComplete",this);this.createEvent("expand",this);this.createEvent("expandComplete",this);this._nodes=[];YAHOO.widget.TreeView.trees[this.id]=this;this.root=new YAHOO.widget.RootNode(this);var LW=YAHOO.widget.LogWriter;},draw:function(){var html=this.root.getHtml();this.getEl().innerHTML=html;this.firstDraw=false;},getEl:function(){if(!this._el){this._el=document.getElementById(this.id);}return this._el;},regNode:function(node){this._nodes[node.index]=node;},getRoot:function(){return this.root;},setDynamicLoad:function(fnDataLoader,iconMode){this.root.setDynamicLoad(fnDataLoader,iconMode);},expandAll:function(){if(!this.locked){this.root.expandAll();}},collapseAll:function(){if(!this.locked){this.root.collapseAll();}},getNodeByIndex:function(nodeIndex){var n=this._nodes[nodeIndex];return(n)?n:null;},getNodeByProperty:function(property,value){for(var i in this._nodes){var n=this._nodes[i];if(n.data&&value==n.data[property]){return n;}}return null;},getNodesByProperty:function(property,value){var values=[];for(var i in this._nodes){var n=this._nodes[i];if(n.data&&value==n.data[property]){values.push(n);}}return(values.length)?values:null;},removeNode:function(node,autoRefresh){if(node.isRoot()){return false;}var p=node.parent;if(p.parent){p=p.parent;}this._deleteNode(node);if(autoRefresh&&p&&p.childrenRendered){p.refresh();}return true;},removeChildren:function(node){while(node.children.length){this._deleteNode(node.children[0]);}node.childrenRendered=false;node.dynamicLoadComplete=false;if(node.expanded){node.collapse();}else{node.updateIcon();}},_deleteNode:function(node){this.removeChildren(node);this.popNode(node);},popNode:function(node){var p=node.parent;var a=[];for(var i=0,len=p.children.length;i<len;++i){if(p.children[i]!=node){a[a.length]=p.children[i];}}p.children=a;p.childrenRendered=false;if(node.previousSibling){node.previousSibling.nextSibling=node.nextSibling;}if(node.nextSibling){node.nextSibling.previousSibling=node.previousSibling;}node.parent=null;node.previousSibling=null;node.nextSibling=null;node.tree=null;delete this._nodes[node.index];},toString:function(){return"TreeView "+this.id;},generateId:function(el){var id=el.id;if(!id){id="yui-tv-auto-id-"+YAHOO.widget.TreeView.counter;++YAHOO.widget.TreeView.counter;}return id;},onExpand:function(node){},onCollapse:function(node){}};YAHOO.augment(YAHOO.widget.TreeView,YAHOO.util.EventProvider);YAHOO.widget.TreeView.nodeCount=0;YAHOO.widget.TreeView.trees=[];YAHOO.widget.TreeView.counter=0;YAHOO.widget.TreeView.getTree=function(treeId){var t=YAHOO.widget.TreeView.trees[treeId];return(t)?t:null;};YAHOO.widget.TreeView.getNode=function(treeId,nodeIndex){var t=YAHOO.widget.TreeView.getTree(treeId);return(t)?t.getNodeByIndex(nodeIndex):null;};YAHOO.widget.TreeView.addHandler=function(el,sType,fn){if(el.addEventListener){el.addEventListener(sType,fn,false);}else if(el.attachEvent){el.attachEvent("on"+sType,fn);}};YAHOO.widget.TreeView.removeHandler=function(el,sType,fn){if(el.removeEventListener){el.removeEventListener(sType,fn,false);}else if(el.detachEvent){el.detachEvent("on"+sType,fn);}};YAHOO.widget.TreeView.preload=function(e,prefix){prefix=prefix||"ygtv";var styles=["tn","tm","tmh","tp","tph","ln","lm","lmh","lp","lph","loading"];var sb=[];for(var i=1;i<styles.length;i=i+1){sb[sb.length]='<span class="'+prefix+styles[i]+'">&#160;</span>';}var f=document.createElement("div");var s=f.style;s.className=prefix+styles[0];s.position="absolute";s.height="1px";s.width="1px";s.top="-1000px";s.left="-1000px";f.innerHTML=sb.join("");document.body.appendChild(f);YAHOO.widget.TreeView.removeHandler(window,"load",YAHOO.widget.TreeView.preload);};YAHOO.widget.TreeView.addHandler(window,"load",YAHOO.widget.TreeView.preload);YAHOO.widget.Node=function(oData,oParent,expanded){if(oData){this.init(oData,oParent,expanded);}};YAHOO.widget.Node.prototype={index:0,children:null,tree:null,data:null,parent:null,depth:-1,href:null,target:"_self",expanded:false,multiExpand:true,renderHidden:false,childrenRendered:false,dynamicLoadComplete:false,previousSibling:null,nextSibling:null,_dynLoad:false,dataLoader:null,isLoading:false,hasIcon:true,iconMode:0,nowrap:false,_type:"Node",init:function(oData,oParent,expanded){this.data=oData;this.children=[];this.index=YAHOO.widget.TreeView.nodeCount;++YAHOO.widget.TreeView.nodeCount;this.expanded=expanded;this.createEvent("parentChange",this);if(oParent){oParent.appendChild(this);}},applyParent:function(parentNode){if(!parentNode){return false;}this.tree=parentNode.tree;this.parent=parentNode;this.depth=parentNode.depth+1;if(!this.href){this.href="javascript:"+this.getToggleLink();}this.tree.regNode(this);parentNode.childrenRendered=false;for(var i=0,len=this.children.length;i<len;++i){this.children[i].applyParent(this);}this.fireEvent("parentChange");return true;},appendChild:function(childNode){if(this.hasChildren()){var sib=this.children[this.children.length-1];sib.nextSibling=childNode;childNode.previousSibling=sib;}this.children[this.children.length]=childNode;childNode.applyParent(this);if(this.childrenRendered&&this.expanded){this.getChildrenEl().style.display="";}return childNode;},appendTo:function(parentNode){return parentNode.appendChild(this);},insertBefore:function(node){var p=node.parent;if(p){if(this.tree){this.tree.popNode(this);}var refIndex=node.isChildOf(p);p.children.splice(refIndex,0,this);if(node.previousSibling){node.previousSibling.nextSibling=this;}this.previousSibling=node.previousSibling;this.nextSibling=node;node.previousSibling=this;this.applyParent(p);}return this;},insertAfter:function(node){var p=node.parent;if(p){if(this.tree){this.tree.popNode(this);}var refIndex=node.isChildOf(p);if(!node.nextSibling){this.nextSibling=null;return this.appendTo(p);}p.children.splice(refIndex+1,0,this);node.nextSibling.previousSibling=this;this.previousSibling=node;this.nextSibling=node.nextSibling;node.nextSibling=this;this.applyParent(p);}return this;},isChildOf:function(parentNode){if(parentNode&&parentNode.children){for(var i=0,len=parentNode.children.length;i<len;++i){if(parentNode.children[i]===this){return i;}}}