/*--------------------------------------------------|

| dTree 2.05 | www.destroydrop.com/javascript/tree/ |

|---------------------------------------------------|

| Copyright (c) 2002-2003 Geir Landr\uFFFD              |

|                                                   |

| This script can be used freely as long as all     |

| copyright messages are intact.                    |

|                                                   |

| Updated: 17.04.2003                               |

|--------------------------------------------------*/

	// Node object
	
	function Node(id, pid, name, url, title, target, icon, iconOpen, open,checked) {
	
		this.id = id;
	
		this.pid = pid;
	
		this.name = name;
	
		this.url = url;
	
		this.title = title;
	
		this.target = target;
	
		this.icon = icon;
	
		this.iconOpen = iconOpen;
		
		this.checked  = checked;
		
		this._io = open || false;
	
		this._is = false;
	
		this._ls = false;
	
		this._hc = false;
	
		this._ai = 0;
	
		this._p;
	
	};
	
	
	
	// Tree object
	
	function dTree(objName, baseUrl,isUseCheckbox) {
	
		this.config = {
	
			target				     : null,
	
			folderLinks			     : true,
	
			useSelection		     : true,
	
			useCookies			     : true,
	
			useLines			     : true,
	 
			useIcons			     : true,
			
			useCheckbox			     : false,		//是否打开复选框,true为打开			
					
			useCheckboxSelection     : false,
						
			useCheckboxSelectionNode : false,
			
			useSingleSelection       : false,
			
			useSingleSelectionNode   : false,
				
			useStatusText		     : false,
	
			closeSameLevel	         : false,
	
			inOrder				     : false
	
		}
		
		this.config.useCheckbox = isUseCheckbox;
	
	    this.checkBoxList = {
		     SelectedValue : '',
		     SelectedText  : '',
		     SelectedUrl   : '',
		     SelectedParentId: '',
		     SelectedNodeId  : '',
		     SelectedNodeText: '',
		     SelectedParentText:''
		};
		
		this.icon = {
	
	
			root				: '/images/dtree/base.gif',
	
			folder			    : '/images/dtree/folder.gif',
	
			folderOpen	        : '/images/dtree/folderopen.gif',
	
			node				: '/images/dtree/page.gif',
	
			empty				: '/images/dtree/empty.gif',
	
			line				: '/images/dtree/line.gif',
	
			join				: '/images/dtree/join.gif',
	
			joinBottom	        : '/images/dtree/joinbottom.gif',
	
			plus				: '/images/dtree/plus.gif',
	
			plusBottom	        : '/images/dtree/plusbottom.gif',
	
			minus				: '/images/dtree/minus.gif',
	
			minusBottom      	: '/images/dtree/minusbottom.gif',
	
			nlPlus			    : '/images/dtree/nolines_plus.gif',
	
			nlMinus			    : '/images/dtree/nolines_minus.gif'
	
		};
	
		this.obj = objName;
	
		this.aNodes = [];
	
		this.aIndent = [];
	
		this.root = new Node(-1);
	
		this.selectedNode = null;
	
		this.selectedFound = false;
	
		this.completed = false;
	
		this.webroot = baseUrl;
	
		this.icon.root = this.webroot + this.icon.root;
		this.icon.folder = this.webroot + this.icon.folder;
		this.icon.folderOpen = this.webroot + this.icon.folderOpen;
		this.icon.node = this.webroot + this.icon.node;
		this.icon.empty = this.webroot + this.icon.empty;
		this.icon.line = this.webroot + this.icon.line;
		this.icon.join = this.webroot + this.icon.join;
		this.icon.joinBottom = this.webroot + this.icon.joinBottom;
		this.icon.plus = this.webroot + this.icon.plus;
		this.icon.plusBottom = this.webroot + this.icon.plusBottom;
		this.icon.minus = this.webroot + this.icon.minus;
		this.icon.minusBottom = this.webroot + this.icon.minusBottom;
		this.icon.nlPlus = this.webroot + this.icon.nlPlus;
		this.icon.nlMinus = this.webroot + this.icon.nlMinus;
	
	};
	
	
	
	// Adds a new node to the node array
	
	dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open,checked) {
	
		this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open,checked);
	
	};
	
	
	
	// Open/close all nodes
	
	dTree.prototype.openAll = function() {
	
		this.oAll(true);
	
	};
	
	dTree.prototype.closeAll = function() {
	
		this.oAll(false);
	
	};
	
	
	
	// Outputs the tree to the page
	
	dTree.prototype.toString = function() {
	
		var str = '<div id="objTree" class="dtree">\n';
	
		if (document.getElementById) {
	
			if (this.config.useCookies) this.selectedNode = this.getSelected();
	
			str += this.addNode(this.root);
	
		} else str += 'Browser not supported.';
	
		str += '</div>';
	
		if (!this.selectedFound) this.selectedNode = null;
	
		this.completed = true;
	
		return str;
	
	};
	
	
	
	// Creates the tree structure
	
	dTree.prototype.addNode = function(pNode) {
	
		var str = '';

		var n=0;
	
		if (this.config.inOrder) n = pNode._ai;
	
		for (n; n<this.aNodes.length; n++) {
	
			if (this.aNodes[n].pid == pNode.id) {
	
				var cn = this.aNodes[n];
	
				cn._p = pNode;
	
				cn._ai = n;
	
				this.setCS(cn);
	
				if (!cn.target && this.config.target) cn.target = this.config.target;
	
				if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);
	
				if (!this.config.folderLinks && cn._hc) cn.url = null;
	
				if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {
	
						cn._is = true;
	
						this.selectedNode = n;
	
						this.selectedFound = true;
	
				}
	
				str += this.node(cn, n);
	
				if (cn._ls) break;
	
			}
	
		}
	
		return str;
	
	};
	
	
	
	// Creates the node icon, url and text
	
	dTree.prototype.node = function(node, nodeId) {
	
		var str = '<div class="dTreeNode">' + this.indent(node, nodeId);
	
		if (this.config.useIcons) {
	
			if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);
	
			if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
	
			if (this.root.id == node.pid) {
	
				node.icon = this.icon.root;
	
				node.iconOpen = this.icon.root;
	
			}
	
			str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" border="0"/>';
	
		}
		
		if (this.config.useCheckbox)
		{
			str += "<input type='checkbox' style='height:14px' " + (node.checked ? "checked" : "") +"  onclick='"+this.obj+".AllChildren(this,"+nodeId+")'  id='"+ node.id +"' pid='"+node.pid+"' url=\""+node.url+"\"  title='"+node.name+"' value='"+node.id+"'>"
		    
		    if (node.checked)
		    {
		        this.checkBoxList.SelectedValue += (this.checkBoxList.SelectedValue != "" ? "," : "") + node.id;
		    }
	    }
	    
		if (node.url) {

			str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';
	
			if (node.title) str += ' title="' + node.title + '"';
	
			if (node.target) str += ' target="' + node.target + '"';
	
			if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';
	
			if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))
	
				str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
	
			str += '>';
			 
		}
	
		else{ 
		
			//如果不是版块页面那棵树
			/*			
		    if(this.obj == "boardDtree"){		    	
		    	str+="<a href=\"javascript:" + this.obj + ".myAllChildren('"+ node.name +"','" + nodeId + "');\" class='node'>";
		    }
			else
			*/ 
			if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id){
					str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
				}
		}
	
		str += '<span class="node" style="height:13px;cursor:default">' + node.name + '</span>';

		if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';
	
		str += '</div>';
	
		if (node._hc) {
	
			str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
	
			str += this.addNode(node);
	
			str += '</div>';
	
		}
	
		this.aIndent.pop();
	
		return str;
	
	};
	
	
	
	// Adds the empty and line icons
	
	dTree.prototype.indent = function(node, nodeId) {
	
		var str = '';
	
		if (this.root.id != node.pid) {
	
			for (var n=0; n<this.aIndent.length; n++)
	
				str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';
	
			(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
	
			if (node._hc) {
	
				str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';
	
				if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;
	
				else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) );
	
				str += '" alt="" /></a>';
	
			} else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';
	
		}
	
		return str;
	
	};
	
	
	
	// Checks if a node has any children and if it is the last sibling
	
	dTree.prototype.setCS = function(node) {
	
		var lastId;
	
		for (var n=0; n<this.aNodes.length; n++) {
	
			if (this.aNodes[n].pid == node.id) node._hc = true;
	
			if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;
	
		}
	
		if (lastId==node.id) node._ls = true;
	
	};
	
	
	
	// Returns the selected node
	
	dTree.prototype.getSelected = function() {
	
		var sn = this.getCookie('cs' + this.obj);
	
		return (sn) ? sn : null;
	
	};
	
	
	
	// Highlights the selected node
	
	dTree.prototype.s = function(id) {
	
		if (!this.config.useSelection) return;
	
		var cn = this.aNodes[id];
	
		if (cn._hc && !this.config.folderLinks) return;
	
		if (this.selectedNode != id) {
	
			if (this.selectedNode || this.selectedNode==0) {
	
				eOld = document.getElementById("s" + this.obj + this.selectedNode);
	
				eOld.className = "node";
	
			}
	
			eNew = document.getElementById("s" + this.obj + id);
	
			eNew.className = "nodeSel";
	
			this.selectedNode = id;
	
			if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);
	
		}
	
	};
	
	
	
	// Toggle Open or close
	
	dTree.prototype.o = function(id) {
	
		var cn = this.aNodes[id];
	
		this.nodeStatus(!cn._io, id, cn._ls);
	
		cn._io = !cn._io;
	
		if (this.config.closeSameLevel) this.closeLevel(cn);
	
		if (this.config.useCookies) this.updateCookie();
	
	};
	
	
	
	// Open or close all nodes
	
	dTree.prototype.oAll = function(status) {
	
		for (var n=0; n<this.aNodes.length; n++) {
	
			if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {
	
				this.nodeStatus(status, n, this.aNodes[n]._ls)
	
				this.aNodes[n]._io = status;
	
			}
	
		}
	
		if (this.config.useCookies) this.updateCookie();
	
	};
	
	
	
	// Opens the tree to a specific node
	
	dTree.prototype.openTo = function(nId, bSelect, bFirst) {
	
		if (!bFirst) {
	
			for (var n=0; n<this.aNodes.length; n++) {
	
				if (this.aNodes[n].id == nId) {
	
					nId=n;
	
					break;
	
				}
	
			}
	
		}
	
		var cn=this.aNodes[nId];
	
		if (cn.pid==this.root.id || !cn._p) return;
	
		cn._io = true;
	
		cn._is = bSelect;
	
		if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);
	
		if (this.completed && bSelect) this.s(cn._ai);
	
		else if (bSelect) this._sn=cn._ai;
	
		this.openTo(cn._p._ai, false, true);
	
	};
	
	
	
	// Closes all nodes on the same level as certain node
	
	dTree.prototype.closeLevel = function(node) {
	
		for (var n=0; n<this.aNodes.length; n++) {
	
			if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {
	
				this.nodeStatus(false, n, this.aNodes[n]._ls);
	
				this.aNodes[n]._io = false;
	
				this.closeAllChildren(this.aNodes[n]);
	
			}
	
		}
	
	}
	
	
	
	// Closes all children of a node
	
	dTree.prototype.closeAllChildren = function(node) {
	
		for (var n=0; n<this.aNodes.length; n++) {
	
			if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {
	
				if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);
	
				this.aNodes[n]._io = false;
	
				this.closeAllChildren(this.aNodes[n]);
	
			}
	
		}
	
	}
	

	
	dTree.prototype.AllChildren = function(checkNodeObj,id)
	{
		  
	      eDiv	= document.getElementById('d' + this.obj + id);
	      	      	         
	      if (eDiv != null) 
	      {
	          var objlen = eDiv.getElementsByTagName("INPUT");
		      for (var i = 0;i < objlen.length ; i++)
		      {
		           var obj = objlen.item(i);
		           if (obj.type == "checkbox")
		           {
		              obj.checked = checkNodeObj.checked;
		           }
	          }
	      }
	      
	      
	      this.checkBoxList.SelectedValue = "";
	      this.checkBoxList.SelectedText= "";
	      this.checkBoxList.SelectedUrl= "";
	      this.checkBoxList.SelectedParentId= "";
	      this.checkBoxList.SelectedNodeId= "";
	      this.checkBoxList.SelectedParentText= "";
	      this.checkBoxList.SelectedNodeText= "";
	      
	      
	      this.selectParentCheckBox(checkNodeObj.pid);
	      
	      
	      var objTree   = document.getElementById("objTree");
	      var objlenAll = objTree.getElementsByTagName("INPUT");
	      for (var i = 0;i < objlenAll.length ; i++)
		  {
		       var obj = objlenAll.item(i);
	           if (obj.checked)
	           {
	               this.checkBoxList.SelectedValue += obj.value + ",";              
	               this.checkBoxList.SelectedText  += obj.title + ",";   
	               this.checkBoxList.SelectedUrl  += obj.url +",";
	               if(obj.pid == "tcr"){
	               		this.checkBoxList.SelectedParentId += obj.id + ",";
	               		this.checkBoxList.SelectedParentText += obj.title + ",";
	               }else{
	               		if(obj.pid != "-1"){
	               			this.checkBoxList.SelectedNodeId += obj.id + ",";
	               			this.checkBoxList.SelectedNodeText += obj.title + ",";
	               		}
	               }
	           }
		  }
		  
		  if (this.checkBoxList.SelectedValue.length > 0)
		      this.checkBoxList.SelectedValue = this.checkBoxList.SelectedValue.substring(0,this.checkBoxList.SelectedValue.length - 1);
		      
		  if (this.checkBoxList.SelectedText.length > 0)
		      this.checkBoxList.SelectedText = this.checkBoxList.SelectedText.substring(0,this.checkBoxList.SelectedText.length - 1);
		      
		  if (this.checkBoxList.SelectedUrl.length > 0)
		      this.checkBoxList.SelectedUrl = this.checkBoxList.SelectedUrl.substring(0,this.checkBoxList.SelectedUrl.length - 1);
		      
		  if (this.checkBoxList.SelectedParentId.length > 0)
		      this.checkBoxList.SelectedParentId = this.checkBoxList.SelectedParentId.substring(0,this.checkBoxList.SelectedParentId.length - 1);
		      
		  if (this.checkBoxList.SelectedNodeId.length > 0)
		      this.checkBoxList.SelectedNodeId = this.checkBoxList.SelectedNodeId.substring(0,this.checkBoxList.SelectedNodeId.length - 1);
		  
		  if (this.checkBoxList.SelectedParentText.length > 0)
		      this.checkBoxList.SelectedParentText = this.checkBoxList.SelectedParentText.substring(0,this.checkBoxList.SelectedParentText.length - 1);
		  
		  if (this.checkBoxList.SelectedNodeText.length > 0)
		      this.checkBoxList.SelectedNodeText = this.checkBoxList.SelectedNodeText.substring(0,this.checkBoxList.SelectedNodeText.length - 1);
		  
		      
		  if  (typeof(onchecked) != 'undefined')
		  {
 		       onchecked();
		  }
		  /*
		  alert(this.checkBoxList.SelectedValue);
		  alert(this.checkBoxList.SelectedText);
		  alert(this.checkBoxList.SelectedUrl);
		  */
	}
	
	//-----------------------------------------//////////
	
	dTree.prototype.selectParentCheckBox = function(pid){		
			
            var pObj = document.getElementById(pid);
            
            if(pObj != null){
            		pObj.checked = 'true';            		
            		if(pObj.id != 0) 
            			this.selectParentCheckBox(pObj.pid)
            }
            
	}
	dTree.prototype.myAllChildren = function(title,id)
	{
		 /**
		 *在页面加两个隐藏域id分别为parentname,parentid;
		 */
	      var parentName = document.getElementById('parentname');
	      var parentId = document.getElementById('parentid');
	      	      	         
	      if (parentName != null || parentId != null) 
	      {
	          parentName.value= title;
	          parentId.value =  id;
	      }
	}
	
	//-----------------------------------------//////////
	
	// Change the status of a node(open or closed)
	
	dTree.prototype.nodeStatus = function(status, id, bottom) {
	
		eDiv	= document.getElementById('d' + this.obj + id);
	
		eJoin	= document.getElementById('j' + this.obj + id);
	
		if (this.config.useIcons) {
	
			eIcon	= document.getElementById('i' + this.obj + id);
	
			eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
	
		}
	
		eJoin.src = (this.config.useLines)?
	
		((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):
	
		((status)?this.icon.nlMinus:this.icon.nlPlus);
	
		eDiv.style.display = (status) ? 'block': 'none';
	
	};
	
	
	
	
	
	// [Cookie] Clears a cookie
	
	dTree.prototype.clearCookie = function() {
	
		var now = new Date();
	
		var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
	
		this.setCookie('co'+this.obj, 'cookieValue', yesterday);
	
		this.setCookie('cs'+this.obj, 'cookieValue', yesterday);
	
	};
	
	
	
	// [Cookie] Sets value in a cookie
	
	dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {
	//**********************************************************
	
	//2004-12-17 chenjianhe modify
	
	//		document.cookie =
	
	//		escape(cookieName) + '=' + escape(cookieValue)
	
	//		+ (expires ? '; expires=' + expires.toGMTString() : '')
	
	//		+ (path ? '; path=' + path : '')
	
	//		+ (domain ? '; domain=' + domain : '')
	
	//		+ (secure ? '; secure' : '');
	
	//***********************************************************
	};
	
	
	
	// [Cookie] Gets a value from a cookie
	
	dTree.prototype.getCookie = function(cookieName) {
	
		var cookieValue = '';
	
		var posName = document.cookie.indexOf(escape(cookieName) + '=');
	
		if (posName != -1) {
	
			var posValue = posName + (escape(cookieName) + '=').length;
	
			var endPos = document.cookie.indexOf(';', posValue);
	
			if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));
	
			else cookieValue = unescape(document.cookie.substring(posValue));
	
		}
	
		return (cookieValue);
	
	};
	
	
	
	// [Cookie] Returns ids of open nodes as a string
	
	dTree.prototype.updateCookie = function() {
	
		var str = '';
	
		for (var n=0; n<this.aNodes.length; n++) {
	
			if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {
	
				if (str) str += '.';
	
				str += this.aNodes[n].id;
	
			}
	
		}
	
		this.setCookie('co' + this.obj, str);
	
	};
	
	
	
	// [Cookie] Checks if a node id is in a cookie
	
	dTree.prototype.isOpen = function(id) {
	
		var aOpen = this.getCookie('co' + this.obj).split('.');

		for (var n=0; n<aOpen.length; n++)
	
			if (aOpen[n] == id) return true;
	
		return false;
	
	};
	
	
	
	// If Push and pop is not implemented by the browser
	
	if (!Array.prototype.push) {
	
		Array.prototype.push = function array_push() {
	
			for(var i=0;i<arguments.length;i++)
	
				this[this.length]=arguments[i];
	
			return this.length;
	
		}
	
	};
	
	if (!Array.prototype.pop) {
	
		Array.prototype.pop = function array_pop() {
	
			lastElement = this[this.length-1];
	
			this.length = Math.max(this.length-1,0);
	
			return lastElement;
	
		}
	
	};