// Title: Tigra Tree
// Description: See the demo at url
// URL: http://www.softcomplex.com/products/tigra_menu_tree/
// Version: 1.0
// Date: 07-20-2002 (mm-dd-yyyy)
// Contact: feedback@softcomplex.com (specify product title in the subject)
// Notes: Registration needed to use this script on your web site.
// 	Registration for this version (1.0) is free of charge.
//	Visit official site for details

function tree (a_items, a_template) {

	this.a_tpl      = a_template;
	this.a_config   = a_items;
	this.o_root     = this;
	this.a_index    = [];
	this.o_selected = null;
	this.n_depth    = -1;
	
	this.toggle = function (n_id) {	var o_item = this.a_index[n_id]; o_item.open(o_item.b_opened) };
	this.select = function (n_id) { return this.a_index[n_id].select(); };
	this.mout   = function (n_id) { this.a_index[n_id].upstatus(true) };
	this.mover  = function (n_id) { this.a_index[n_id].upstatus() };

	this.a_children = [];
	for (var i = 0; i < a_items.length; i++)
		new tree_item(this, i);

	this.n_id = trees.length;
	trees[this.n_id] = this;
	
	for (var i = 0; i < this.a_children.length; i++) {
		document.write(this.a_children[i].init());
		this.a_children[i].open();
	}
}

function tree_item (o_parent, n_order) {

	this.n_depth  = o_parent.n_depth + 1;
	this.a_config = o_parent.a_config[n_order + (this.n_depth ? 2 : 0)];
	if (!this.a_config) return;

	this.o_root    = o_parent.o_root;
	this.o_parent  = o_parent;
	this.n_order   = n_order;
	this.b_opened  = !this.n_depth;

	this.n_id = this.o_root.a_index.length;
	this.o_root.a_index[this.n_id] = this;
	o_parent.a_children[n_order] = this;

	this.a_children = [];
	for (var i = 0; i < this.a_config.length - 2; i++)
		new tree_item(this, i);

	this.get_icon = item_get_icon;
	this.open     = item_open;
	this.select   = item_select;
	this.init     = item_init;
	this.upstatus = item_upstatus;
	this.is_last  = function () { return this.n_order == this.o_parent.a_children.length - 1 };
}

function item_open (b_close) {
	var o_idiv = get_element('i_div' + this.n_id);
	if (!o_idiv) return;
	
	if (!o_idiv.innerHTML) {
		var a_children = [];
		for (var i = 0; i < this.a_children.length; i++)
			a_children[i]= this.a_children[i].init();
		o_idiv.innerHTML = a_children.join('');
	}
	o_idiv.style.display = (b_close ? 'none' : 'block');
	
	this.b_opened = !b_close;
	var o_jicon = document.images['j_img' + this.n_id],
		o_iicon = document.images['i_img' + this.n_id];
	if (o_jicon) o_jicon.src = this.get_icon(true);
	if (o_iicon) o_iicon.src = this.get_icon();
	this.upstatus();
}

function item_select (b_deselect) {
	if (!b_deselect) {
		var o_olditem = this.o_root.o_selected;
		this.o_root.o_selected = this;
		if (o_olditem) o_olditem.select(true);
	}
	var o_iicon = document.images['i_img' + this.n_id];
	if (o_iicon) o_iicon.src = this.get_icon();
	get_element('i_txt' + this.n_id).style.fontWeight = b_deselect ? 'normal' : 'bold';
	
	this.upstatus();
	return Boolean(this.a_config[1]);
}

function item_upstatus (b_clear) {
	window.setTimeout('window.status="' + (b_clear ? '' : this.a_config[0] + (this.a_config[1] ? ' ('+ this.a_config[1] + ')' : '')) + '"', 10);
}

function item_get_icon (b_junction) {
	return this.o_root.a_tpl['icon_' + ((this.a_children.length ? 16 : 0) + (this.a_children.length && this.b_opened ? 8 : 0) + (!b_junction && this.o_root.o_selected == this ? 4 : 0) + (b_junction ? 2 : 0) + (b_junction && this.is_last() ? 1 : 0))];
}

var trees = [];
get_element = document.all ?
	function (s_id) { return document.all[s_id] } :
	function (s_id) { return document.getElementById(s_id) };
	
var tree_tpl = {
	'target'  : '_self',	// name of the frame links will be opened in
				// other possible values are: _blank, _parent, _search, _self and _top

	'icon_e'  : '/components/jstree/images/empty.gif', 		// empty image
	'icon_l'  : '/components/jstree/images/empty.gif',  		// vertical line
	
	'icon_48' : '/components/jstree/images/folder.gif',   	// root icon normal
	'icon_52' : '/components/jstree/images/foldersel.gif',   	// root icon selected
	'icon_56' : '/components/jstree/images/folderopen.gif',   	// root icon opened
	'icon_60' : '/components/jstree/images/foldersel.gif',   	// root icon selected
	
	'icon_16' : '/components/jstree/images/empty.gif', 		// node icon normal
	'icon_20' : '/components/jstree/images/foldersel.gif', 	// node icon selected
	'icon_24' : '/components/jstree/images/folderopen.gif', 	// node icon opened
	'icon_28' : '/components/jstree/images/foldersel.gif', 	// node icon selected opened

	'icon_0'  : '/components/jstree/images/page.gif', 		// leaf icon normal
	'icon_4'  : '/components/jstree/images/pagesel.gif', 		// leaf icon selected
	'icon_8'  : '/components/jstree/images/page.gif', 		// leaf icon opened
	'icon_12' : '/components/jstree/images/pagesel.gif', 		// leaf icon selected
	
	'icon_2'  : '/components/jstree/images/empty.gif', 		// junction for leaf
	'icon_3'  : '/components/jstree/images/empty.gif',       	// junction for last leaf
	'icon_18' : '/components/jstree/images/plus.gif', 		// junction for closed node
	'icon_19' : '/components/jstree/images/plus.gif',       	// junctioin for last closed node
	'icon_26' : '/components/jstree/images/minus.gif',		// junction for opened node
	'icon_27' : '/components/jstree/images/minus.gif'       	// junctioin for last opended node
};