var $j = jQuery.noConflict();
$j.fn.simpleTree = function(opt){
	return this.each(function(){
		var TREE = this;
		var ROOT = $j('.categories',this);
		var mousePressed = false;
		var mouseMoved = false;
		var dragMoveType = false;
		var dragNode_destination = false;
		var dragNode_source = false;
		var dragDropTimer = false;
		var ajaxCache = Array();

		TREE.option = {
			drag:		true,
			animate:	false,
			autoclose:	false,
			speed:		'fast',
			afterAjax:	false,
			afterMove:	false,
			afterClick:	false,
			afterDblClick:	false,
			// added by Erik Dohmen (2BinBusiness.nl) to make context menu cliks available
			afterContextMenu:	false,
			docToFolderConvert:false
		};
		TREE.option = $j.extend(TREE.option,opt);
		$j.extend(this, {getSelected: function(){
			return $j('li.active', this).parent();
		}});
		TREE.closeNearby = function(obj)
		{
			$j(obj).siblings().filter('.folder-open, .folder-open-last').each(function(){
				var childUl = $j('>ul',this);
				var className = this.className;
				this.className = className.replace('open','close');
				if(TREE.option.animate)
				{
					childUl.animate({height:"toggle"},TREE.option.speed);
				}else{
					childUl.hide();
				}
			});
		};
		TREE.nodeToggle = function(obj)
		{
			var childUl = $j('>ul',obj);
			if(childUl.is(':visible')){
				obj.className = obj.className.replace('open','close');

				if(TREE.option.animate)
				{
					childUl.animate({height:"toggle"},TREE.option.speed);
				}else{
					childUl.hide();
				}
			}else{
				obj.className = obj.className.replace('close','open');
				if(TREE.option.animate)
				{
					childUl.animate({height:"toggle"},TREE.option.speed, function(){
						if(TREE.option.autoclose)TREE.closeNearby(obj);
						if(childUl.is('.ajax'))TREE.setAjaxNodes(childUl, obj.id);
					});
				}else{
					childUl.show();
					if(TREE.option.autoclose)TREE.closeNearby(obj);
					if(childUl.is('.ajax'))TREE.setAjaxNodes(childUl, obj.id);
				}
			}
		};
		TREE.setAjaxNodes = function(node, parentId, callback)
		{
			if($j.inArray(parentId,ajaxCache) == -1){
				ajaxCache[ajaxCache.length]=parentId;
				var url = $j.trim($j('>li', node).text());
				if(url && url.indexOf('url:'))
				{
					url=$j.trim(url.replace(/.*\{url:(.*)\}/i ,'$j1'));
					$j.ajax({
						type: "GET",
						url: url,
						contentType:'html',
						cache:false,
						success: function(responce){
							node.removeAttr('class');
							node.html(responce);
							$j.extend(node,{url:url});
							TREE.setTreeNodes(node, true);
							if(typeof TREE.option.afterAjax == 'function')
							{
								TREE.option.afterAjax(node);
							}
							if(typeof callback == 'function')
							{
								callback(node);
							}
						}
					});
				}
				
			}
		};
		TREE.setTreeNodes = function(obj, useParent){
			obj = useParent? obj.parent():obj;
			$j('li>', obj).addClass('text')
			.bind('selectstart', function() {
				return false;
			}).click(function(){
				$j('.active',TREE).attr('class','text');
				if(this.className=='text')
				{
					this.className='active';
				}
				if(typeof TREE.option.afterClick == 'function')
				{
					TREE.option.afterClick($j(this).parent());
				}
				return true;

			})
			$j('li', obj).each(function(i){
				var className = this.className;
				var open = false;
				var cloneNode=false;
				var LI = this;
				var childNode = $j('>ul',this);
				if(childNode.size()>0){
					var setClassName = 'folder-';
					if(className && className.indexOf('open')>=0){
						setClassName=setClassName+'open';
						open=true;
					}else{
						setClassName=setClassName+'close';
					}
					this.className = setClassName + ($j(this).is(':last-child')? '-last':'');

					if(!open || className.indexOf('ajax')>=0)childNode.hide();

					TREE.setTrigger(this);
				}else{
					var setClassName = 'doc';
					this.className = setClassName + ($j(this).is(':last-child')? '-last':'');
				}
			})
			.before('<li class="line">&nbsp;</li>')
			.filter(':last-child').after('<li class="line-last"></li>');
		};
		TREE.setTrigger = function(node){
			$j('>',node).before('<img class="trigger" src="http://steachs.com/wp-content/themes/scorpiov2/img/spacer.gif" border=0>');
			var trigger = $j('>.trigger', node);
			trigger.click(function(event){
				TREE.nodeToggle(node);
			});
			if(!$j.browser.msie)
			{
				trigger.css('float','left');
			}
		};
		TREE.init = function(obj)
		{
			TREE.setTreeNodes(obj, false);
		};
		TREE.init(ROOT);
	});
}

var simpleTreeCollection;
$j(document).ready(function(){
	simpleTreeCollection = $j('.simpleTree').simpleTree({
		autoclose: true,
		afterClick:function(node){
			//alert("text-"+$j('span:first',node).text());
		},
		afterDblClick:function(node){
			//alert("text-"+$j('span:first',node).text());
		},
		afterMove:function(destination, source, pos){
			//alert("destination-"+destination.attr('id')+" source-"+source.attr('id')+" pos-"+pos);
		},
		afterAjax:function()
		{
			//alert('Loaded');
		},
		animate:true
		//,docToFolderConvert:true
	});
});