/*

 * Enano - an open source wiki-like CMS

 * Copyright (C) 2006-2007 Dan Fuhry

 *

 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

 */

/*

 * Title: Tigra Tree

 * Description: See the demo at url

 * URL: http://www.softcomplex.com/products/tigra_tree_menu/

 * Version: 1.1

 * Date: 11-12-2002 (mm-dd-yyyy)

 * Notes: This script is free. Visit official site for further details.

 * 

 * Due to the unclear licensing conditions on this script, I contacted the author, who said that because Enano

 * is not a "competing product" I was allowed release the modified code as GPL. The conversation can be seen in the

 * licenses/tigra-menu.html document in the Enano distribution.

 */

if ( typeof(readCookie) == 'function' )

{

  var ck = readCookie('admin_menu_state');

  if(ck)

  {

    ck = parseInt(ck);

  }

  else

  {

    ck = 0;

  }

  ck = ( isNaN(ck) ) ? 0 : ck;

}

else

{

  var ck = 0;

}

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;

	var o_icone = new Image(),

		o_iconl = new Image();

	o_icone.src = a_template['icon_e'];

	o_iconl.src = a_template['icon_l'];

	a_template['im_e'] = o_icone;

	a_template['im_l'] = o_iconl;

	for (var i = 0; i < 64; i++)

		if (a_template['icon_' + i]) {

			var o_icon = new Image();

			a_template['im_' + i] = o_icon;

			o_icon.src = a_template['icon_' + i];

		}

	this.toggle = function (n_id,co) { var o_item = this.a_index[n_id]; o_item.open(o_item.b_opened,co); };

  this.open   = function (n_id,co) { var o_item = this.a_index[n_id]; o_item.open(false,co); };

	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(false, true);

	}

}

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 };

  // CODE MODIFICATION

  // added:

    // Do we need to open the branch?

    n = Math.pow(2, this.n_id);

    var disp = ( ck & n ) ? true : false;

    s = ( disp ) ? 'open' : 'closed';

    //if(s=='open') alert(this.n_id + ': ' + s);

    if(disp) setTimeout('trees['+trees.length+'].open('+this.n_id+', true);', 10);

  // END MODIFICATIONS

}

function item_open (b_close, nocookie) {

  //alert('item_open('+this.n_id+');');

	var o_idiv = get_element('i_div' + this.o_root.n_id + '_' + 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');

  // CODE MODIFICATION

  // added:

    if(!nocookie)

    {

      // The idea here is to use a bitwise field. Nice 'n simple, right? Object of the game is to assemble

      // a binary number that depicts the open/closed state of the entire menu in one cookie.

      n = Math.pow(2, this.n_id);

      ck = ( b_close ) ? ck-n : ck+n;

      //alert('open(): doing the cookie routine for id '+this.n_id+"\nResult for bitwise op: "+ck);

      createCookie('admin_menu_state', ck, 365);

    } else {

      //alert('open(): NOT doing the cookie routine for id '+this.n_id);

    }

  // END MODIFICATIONS

	this.b_opened = !b_close;

	var o_jicon = document.images['j_img' + this.o_root.n_id + '_' + this.n_id],

		o_iicon = document.images['i_img' + this.o_root.n_id + '_' + 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.o_root.n_id + '_' + this.n_id];

	if (o_iicon) o_iicon.src = this.get_icon();

	get_element('i_txt' + this.o_root.n_id + '_' + 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="' + addslashes(b_clear ? '' : this.a_config[0] + (this.a_config[1] ? ' ('+ this.a_config[1] + ')' : '')) + '"', 10);

}

function item_init () {

	var a_offset = [],

		o_current_item = this.o_parent;

	for (var i = this.n_depth; i > 1; i--) {

		a_offset[i] = '<img src="' + this.o_root.a_tpl[o_current_item.is_last() ? 'icon_e' : 'icon_l'] + '" border="0" align="absbottom">';

		o_current_item = o_current_item.o_parent;

	}

	return '<table cellpadding="0" cellspacing="0" border="0"><tr><td nowrap="nowrap">' + (this.n_depth ? a_offset.join('') + (this.a_children.length

		? '<a href="javascript: trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id + ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')"><img src="' + this.get_icon(true) + '" border="0" align="absbottom" name="j_img' + this.o_root.n_id + '_' + this.n_id + '"></a>'

		: '<img src="' + this.get_icon(true) + '" border="0" align="absbottom">') : '')

  // CODE MODIFICATION

  // [7/20/08: removed ondblclick property (unneeded)]

  // removed: 

	//	+ '<a href="' + this.a_config[1] + '" target="' + this.o_root.a_tpl['target'] + '" onclick="return trees[' + this.o_root.n_id + '].select(' + this.n_id + ')" ondblclick="trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id + ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')" class="t' + this.o_root.n_id + 'i" id="i_txt' + this.o_root.n_id + '_' + this.n_id + '"><img src="' + this.get_icon() + '" border="0" align="absbottom" name="i_img' + this.o_root.n_id + '_' + this.n_id + '" class="t' + this.o_root.n_id + 'im">' + this.a_config[0] + '</a></td></tr></table>' + (this.a_children.length ? '<div id="i_div' + this.o_root.n_id + '_' + this.n_id + '" style="display:none"></div>' : '');

  // added:

  + '<a href="' + this.a_config[1] + '" target="' + this.o_root.a_tpl['target'] + '" onclick="return trees[' + this.o_root.n_id + '].select(' + this.n_id + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id + ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')" class="t' + this.o_root.n_id + 'i" id="i_txt' + this.o_root.n_id + '_' + this.n_id + '">' + this.a_config[0] + '</a></td></tr></table>' + (this.a_children.length ? '<div id="i_div' + this.o_root.n_id + '_' + this.n_id + '" style="display:none"></div>' : '');

  // END MODIFICATIONS

  alert('i_div' + this.o_root.n_id + '_' + this.n_id);

}

function item_get_icon (b_junction) {

	return this.o_root.a_tpl['icon_' + ((this.n_depth ? 0 : 32) + (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) };

function addslashes(text)

{

  text = text.replace(/\\/g, '\\\\');

  text = text.replace(/"/g, '\\"');

  return text;

}