images/TreeNode.js

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var currentNode = null;

function TreeNode(text, url, iconOpen, iconOpenHover, iconClosed, iconClosedHover) {
	var $ = this;
	this.level = 0;	
	this.children = [];	
	this.parent = null;	
	this.status = "CLOSED";	
	this.ancestor = [];	
	this.isHover = false;
	
	this.PATH = "../images/tree/";
	this.COLLAPSED = this.PATH + "arrow_collapsed.gif";
	this.EXPANDED = this.PATH + "arrow_expanded.gif";
	this.COLLAPSED_HOVER = this.PATH + "arrow_collapsed_hover.gif";
	this.EXPANDED_HOVER = this.PATH + "arrow_expanded_hover.gif";
	this.CATEGORYOPEN = this.PATH + (iconOpen ? iconOpen : "folder_open.gif");
	this.CATEGORYOPEN_HOVER = this.CATEGORYOPEN;
	this.CATEGORYCLOSED = this.PATH + (iconClosed ? iconClosed : "folder_closed.gif");
	this.CATEGORYCLOSED_HOVER = this.CATEGORYCLOSED;
	this.EMPTY = this.PATH + "empty.gif";

	this.container = document.createElement("DIV");
	this.content = document.createElement("DIV");
	this.indentSpace = document.createElement("SPAN");
	this.statusIcon = document.createElement("IMG");
	this.node = document.createElement("SPAN");
	this.nodeIcon = document.createElement("IMG");
	this.label = document.createElement("A");
	this.container.appendChild(this.content);
	this.content.appendChild(this.indentSpace);
	this.content.appendChild(this.statusIcon);
	this.content.appendChild(this.node);
	this.node.appendChild(this.nodeIcon);
	this.node.appendChild(this.label);

	this.container.style.display = "block";
	this.statusIcon.src = this.COLLAPSED;
	this.nodeIcon.src = this.CATEGORYCLOSED;	
	this.nodeIcon.align = "absmiddle";
	this.statusIcon.align = "absmiddle";
	this.statusIcon.style.cursor = "default";
	this.node.style.cursor = "default";
	this.label.style.lineHeight = "20px";
	this.label.style.fontSize = "12px";
	this.label.style.display = "inline-block";
	this.label.style.backgroundImage = "url(" + this.BG + ")";
	this.label.style.backgroundRepeat = "repeat-x";
	this.label.innerHTML = text;
	
	if (url) {
	    this.label.href = url;
	    this.label.target = "hsgmain";
	}

	this.add = function(child) {
		this.container.appendChild(child.container);
		this.children.push(child);
		child.parent = this;
	}