// Node object

function Node(id, pid, name, url, title, target, icon, iconOpen, open) {
 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._io = open || false;
 this._is = false;
 this._ls = false;
 this._hc = false;
 this._ai = 0;
 this._p; 
}

 

// Tree object

function dTree(objName) {
 this.config = {
  target     : null,
  folderLinks   : true,
  useSelection  : true,
  useCookies   : true,
  useLines    : true,
  useIcons    : true,
  useStatusText  : false,
  closeSameLevel : false,
  inOrder     : false
 }
/*
 this.icon = {

  root    : '../../images/menu/sun.gif',
  folder   : '../../images/menu/ftv2folderclosed.gif',
  folderOpen : '../../images/menu/ftv2folderopen.gif',
  node    : '../../images/menu/ftv2doc.gif',
  empty    : '../../images/menu/blank.gif',
  line    : '../../images/menu/ftv2vertline.gif',
  join    : '../../images/menu/ftv2node.gif',
  joinBottom : '../../images/menu/ftv2lastnode.gif',
  plus    : '../../images/menu/ftv2pnode.gif',
  plusBottom : '../../images/menu/ftv2plastnode.gif',
  minus    : '../../images/menu/ftv2mnode.gif',
  minusBottom : '../../images/menu/ftv2mlastnode.gif',
  nlPlus   : '../../images/menu/nolines_plus.gif',
  nlMinus   : '../../images/menu/nolines_minus.gif'
 }
 */
 this.icon = {

		root				: '../../images/tree/base.gif',

		folder			: '../../images/tree/folder.gif',

		folderOpen	: '../../images/tree/folderopen.gif',

		node				: '../../images/tree/page.gif',

		empty				: '../../images/tree/empty.gif',

		line				: '../../images/tree/line.gif',

		join				: '../../images/tree/join.gif',

		joinBottom	: '../../images/tree/joinbottom.gif',

		plus				: '../../images/tree/plus.gif',

		plusBottom	: '../../images/tree/plusbottom.gif',

		minus				: '../../images/tree/minus.gif',

		minusBottom	: '../../images/tree/minusbottom.gif',

		nlPlus			: '../../images/tree/nolines_plus.gif',

		nlMinus			: '../../images/tree/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.itemColor="#000000";
 this.itemBackground="#ffffff";
 this.itemOverColor="#0000ff";
 this.selectedItemBackground="#ccaacc";
}

 

// Adds a new node to the node array

dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {
 this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);
}

 

// 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 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 + '" border="0" align=absmiddle style=\'cursor:hand;\' src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';
 }
 if (node.url) {
	  //str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" style=\'cursor:hand;\' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');doSubmitClick(\'\',\'OptQueryOne\',\'' + node.url + '\',\''+node.id+'\');"';
	    str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" style=\'cursor:hand;\' onclick="javascript: ' + this.obj + '.s(' + nodeId + '); '+ 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 if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)
	 str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
 str += node.name;
 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();
// alert(str);
 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 ) + '" border="0" align=absmiddle style=\'cursor:hand;\' 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 + '" border="0" align=absmiddle style=\'cursor:hand;\' 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 border="0" align=absmiddle style=\'cursor:hand;\' 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);
   if(eOld!=null)	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]);  

  }

 }

}

 

// 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) {

 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;

 }

}