www.pudn.com > shop.rar > dtree.js

/*--------------------------------------------------|  
| dTree 2.05 | www.destroydrop.com/javascript/tree/ |  
|---------------------------------------------------|  
| Copyright (c) 2002-2003 Geir Landrö               |  
|                                                   |  
| 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) {  
	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				: 'img/base.gif',  
		folder			: 'img/folder.gif',  
		folderOpen	: 'img/folderopen.gif',  
		node				: 'img/page.gif',  
		empty				: 'img/empty.gif',  
		line				: 'img/line.gif',  
		join				: 'img/join.gif',  
		joinBottom	: 'img/joinbottom.gif',  
		plus				: 'img/plus.gif',  
		plusBottom	: 'img/plusbottom.gif',  
		minus				: 'img/minus.gif',  
		minusBottom	: 'img/minusbottom.gif',  
		nlPlus			: 'img/nolines_plus.gif',  
		nlMinus			: 'img/nolines_minus.gif'  
	};  
	this.obj = objName;  
	this.aNodes = [];  
	this.aIndent = [];  
	this.root = new Node(-1);  
	this.selectedNode = null;  
	this.selectedFound = false;  
	this.completed = false;  
};  
  
// 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 = '
\n';  
	if (document.getElementById) {  
		if (this.config.useCookies) this.selectedNode = this.getSelected();  
		str += this.addNode(this.root);  
	} else str += 'Browser not supported.';  
	str += '
';  
	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';  
	}  
	if (node.url) {  
		str += '';  
	str += node.name;  
	if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '';  
	str += '';  
	if (node._hc) {  
		str += '
';  
		str += this.addNode(node);  
		str += '
';  
	}  
	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';  
		(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);  
		if (node._hc) {  
			str += '';  
		} else str += '';  
	}  
	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