/*--------------------------------------------------|
| dTree 2.05 | www.destroydrop.com/javascript/tree/ |
|---------------------------------------------------|
| Copyright (c) 2002-2003 Geir Landr             	|
|                                                   |
| 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, edit,selected) {

	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;
	
	if(selected != 'undefined' && selected == true)
		this._is = true;
	else
	this._is = false;

	this._ls = false;

	this._hc = false;

	this._ai = 0;

	this._p;
	
	this.edit = edit;
	
};



// Tree object

function dTree(objName,img_path, obj_unique_id) {

	this.config = {

		target					: null,

		folderLinks			: true,

		useSelection		: true,

		useCookies			: true,

		useLines				: true,

		useIcons				: true,

		useStatusText		: false,

		closeSameLevel	: false,

		inOrder					: false

	};

	this.icon = {

		root				: img_path+'img/base.gif',

		folder			: img_path+'img/folder.gif',

		folderOpen	: img_path+'img/folderopen.gif',

		node				: img_path+'img/page.gif',

		empty				: img_path+'img/empty.gif',

		line				: img_path+'img/line.gif',

		join				: img_path+'img/join.gif',

		joinBottom	: img_path+'img/joinbottom.gif',

		plus				: img_path+'img/plus.gif',

		plusBottom	: img_path+'img/plusbottom.gif',

		minus				: img_path+'img/minus.gif',

		minusBottom	: img_path+'img/minusbottom.gif',

		nlPlus			: img_path+'img/nolines_plus.gif',

		nlMinus			: img_path+'img/nolines_minus.gif'

	};

	this.obj = objName;
	
	this.obj_unique_id = obj_unique_id;
	
	this.aNodes = [];

	this.aIndent = [];

	this.root = new Node(-1);

	this.selectedNode = null;

	this.selectedFound = false;

	this.completed = false;
	
	this.changeLeftMenuImageOnMouseOver = function(id) 
	{
	    var el = document.getElementById('img_'+ this.obj_unique_id +'_'+id);
	    
	    if (el) {
	        if (el.src.search('&active_image=true') < 0) {
	            el.src = el.src + '&active_image=true';
	        }    
	    }    
	};
	
	this.changeLeftMenuImageOnMouseOut = function(id) 
	{
		var el = document.getElementById('img_'+ this.obj_unique_id +'_'+id);
		//var a = document.getElementById('sleft_menu'+id);
    
		if (el) 
		{
			//if (a.className != 'nodeSel') 
			{
				el.src = el.src.replace('&active_image=true','');
			}    
		}  
	};
};



// Adds a new node to the node array

dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open, edit,selected) {

	this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open, edit,selected);

};



// 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">';
	
	//if (node.edit)
//	{
//		str += '<a href="#" onClick="return clickreturnvalue(); alert(\''+node.edit+'\');" onMouseover="dropdownmenu(this, event, EDIT_komponent_' + node.edit +', \'150px\')" onMouseout="delayhidemenu()"><img src="/templates/default/img/empty.gif" alt="" class="node_edit" /></a>';
//	}
	
	
	str+=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.icon) node.icon = (this.root.id == node.pid) ?  this.icon.folder : ((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;
			node.icon = this.icon.folder;
			node.iconOpen = this.icon.folderOpen;
			 

		}
		
		if(this.root.id == node.pid)
		{  }
		else
		{
			//str += '<img style="margin:0" border=0 id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';
			str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" style="color: black;">';
			
			
			var strNodeClass='node_open';
			if (!node._io) strNodeClass='node_closed';
			if (!node._hc) strNodeClass='node_nochild';
			//node.iconOpen : node.icon
			str += '<img style="margin:0" border=0 id="i' + this.obj + nodeId + '" class='+strNodeClass+' src="/templates/default/img/empty.gif" alt="" /></a>';
			
			//str += 'ssss';
			//var node_edit_var = EDIT_komponent_' + node.edit
			if (node.edit && window['EDIT_komponent_' + this.obj_unique_id + '_' + node.edit] !== 'undefined')
			{
				str += '<a href="#" onClick="return clickreturnvalue(); alert(\''+node.edit+'\');" onMouseover="dropdownmenu(this, event, EDIT_komponent_' + this.obj_unique_id + '_' + node.edit +', \'150px\')" onMouseout="delayhidemenu()"><img src="/templates/default/img/empty.gif" style="vertical-align:middle; border:0px;" alt="" class="node_edit" /></a>';
			}
		}
	}
	
	if (node.url) {


	    
		str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel nodeActive' : 'node')) : 'node') + '" href="' + node.url + '"';

		var myRe = new RegExp ("<img(.*)>");
		
		if (node.title) str += ' title="' + node.title.replace(myRe, '') + '"';

		if (node.target) str += ' target="' + node.target + '"';

		str += ' onmouseover="javascript: ' + this.obj + '.changeLeftMenuImageOnMouseOver(' + nodeId + ');" onmouseout="javascript: ' + this.obj + '.changeLeftMenuImageOnMouseOut(' + nodeId + ');" ';

		if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))

			str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + '); ' + this.obj + '.o(' + 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">';

		if (node.iconOpen == 'image' || node.iconOpen == 'both') {
            str += '<img src="/moodul.php?moodul=Admin&Komponent=Struktuur&show_image_id='+node.id+'&notemplate=1' + (node._is ? '&active_image=true' : '') + '"'; 
            str += '   border="0" id="img_'+ this.obj_unique_id +'_'+nodeId+'" class="left_menu_link_img" /> ';
		}
		
	    if (node.iconOpen == 'text' || node.iconOpen == 'both' || node.iconOpen == '') {
            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();

	//console.log(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 style="margin:0" class="node_offset" border=0 src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';

		(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);

		if (node._hc) {

			str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img  class="node_offset" style="margin:0" border=0 id="j' + this.obj + nodeId + '" 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 style="margin:0"  class="node_offset" border=0 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);
	//alert('Selected(cookies): '+sn);
	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);

			eOld.className = "node";

		}

		eNew = document.getElementById("s" + this.obj + id);

		eNew.className = "nodeSel";

		this.selectedNode = id;
		//alert('Highlight: '+id+' AND cn.id='+cn.id);
		
		if (this.config.useCookies) {
			//alert('Updated cookie');
			this.setCookie('cs' + this.obj, cn.id);
		}

	}

};



// Toggle Open or close

dTree.prototype.o = function(id) {

	if(showAllNodes == 1)
	{
		//alert('open'+showAllNodes);
		this.oAll(true);
	}
	else
	{
		var cn = this.aNodes[id];
		//console.log(cn._ls);
		//alert(cn._io);
		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 (eDiv==null) return;

	if (this.config.useIcons) {

		eIcon	= document.getElementById('i' + this.obj + id);

		eIcon.className = (status) ? 'node_open':'node_closed';
		
//		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';
	//eDiv.style.display = 'block';
};





// [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=' + path  : '')
//		//+ (path ? '; path=\'/\'': '');
//		//alert('path: '+path);
//		+ (domain ? '; domain=' + domain : '')
//
//		+ (secure ? '; secure' : '');
//
//};

dTree.prototype.setCookie = function( name, value, expires, path, domain, secure )
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );
path = '/';
/*
if the expires variable is set, make the correct
expires time, the current script below will set
it for x number of days, to make it for hours,
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
( ( path ) ? ";path=" + path : "" ) +
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
};



// [Cookie] Gets a value from a cookie

//dTree.prototype.getCookie2 = 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);
//
//};

//this fixes an issue with the old method, ambiguous values
//with this test document.cookie.indexOf( name + "=" );
dTree.prototype.getCookie = function ( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return (cookie_value);
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return '';
	}
};


// [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;

	}

};