var opts_full = new Array();
opts_full[1] = [[14,'CIGAR'],[1,'WHITE WINE'],[2,'RED WINE'],[9,'ROSE'],[10,'FORTIFIED WINE'],[7,'CHAMPAGNE/FIZZ'],[4,'WHISKY'],[11,'VODKA'],[13,'GIN']];
opts_full[2] = [[11,'ARGENTINA'],[2,'AUSTRALIA'],[12,'AUSTRIA'],[6,'CHILE'],[14,'FRANCE'],[5,'ITALY'],[7,'NEW ZEALAND'],[9,'PORTUGAL'],[8,'SOUTH AFRICA'],[10,'SPAIN'],[13,'USA']];
opts_full[3] = [[10,'Central Otago'],[28,'Gisborne'],[30,'Hawke\'s Bay'],[27,'Marlborough'],[82,'Martinborough'],[87,'Waiheki Island'],[83,'Waipara']];

var expanded_nodes_ids = new Array();
expanded_nodes_ids[1] = '1';
expanded_nodes_ids[2] = '7';
expanded_nodes_ids[3] = '10';

//create namespace for tree menu 
YAHOO.namespace("treespace");

YAHOO.treespace.treeMenu = function() {

	var tree, currentIconMode;
	
	function changeIconMode() {
		var newVal = parseInt(this.value);
		if (newVal != currentIconMode) {
			currentIconMode = newVal;
		}
		buildTree();
	}
	
	function loadNodeData(node, fnLoadComplete) {
		//We'll randomize our loader with stock data; in many implementations,
		//this step would be replaced with an XMLHttpRequest call to the server
		//for more data.
		
		var st = node.data.st + 1;
		var st_old = node.data.st;
		
		if (opts_full[st] != null && expanded_nodes_ids[st_old] == node.data.nid)
		{
			var opts = opts_full[st];
			var dinamic = false;
			//alert(expanded_nodes_ids[st_old]+'-'+node.data.nid);
		}
		else
		{
			var opts = getTreeData(node);
			var dinamic = true;
		}
		
		expanded_nodes_ids[st_old] = null;
		delete expanded_nodes_ids[st_old];
		
		for (var i=0; i<opts.length; i++)
		{
			var nid  = !dinamic ? opts_full[st][i][0] : opts[i].getAttribute('id');
			var text = !dinamic ? opts_full[st][i][1] : opts[i].firstChild.data;
			var data = {
				id: nid + '_' + st,
				nid: nid,
				label: text,
				st: st,
				style: 'main_nav_item_level' + st,
				onclick: ""
				};
			
			if (st == '3')
			{
				data['href'] = webRoot + 'products_list' + getTreeDataParams(node, nid);
				data['is_static'] = true;
				var newNode = new YAHOO.widget.MenuNode(data, node, false);
			}
			else
			{
				var newNode = new YAHOO.widget.MenuNode(data, node, false);
			}
			if (expanded_nodes_ids[st] == nid)
			{
				var expand_node = newNode;
				expand_node.labelStyle += '_on';
			}
		}
		
		if (st == '3')
		{
			var nid = 0;
			var text = 'Show all';
			var data = {
				id: nid + '_' + st,
				nid: nid,
				label: text,
				st: st,
				style: 'main_nav_item_level' + st,
				onclick: ""
				};
			data['href'] = webRoot + 'products_list' + getTreeDataParams(node, nid);
			data['is_static'] = true;
			var newNode = new YAHOO.widget.MenuNode(data, node, false);
			
			if (expanded_nodes_ids[st] == nid)
			{
				newNode.labelStyle += '_on';
			}
			expanded_nodes_ids[st] = null;
			delete expanded_nodes_ids[st];
		}
		
		//When we're done creating child nodes, we execute the node's
		//loadComplete callback method which comes in as our loader's
		//second argument (we could also access it at node.loadComplete,
		//if necessary):
		fnLoadComplete();
		expandNode(expand_node);
	}
	
	function buildTree() {
		//create a new tree:
		tree = new YAHOO.widget.TreeView("treeContainer");
		
		//turn dynamic loading on for entire tree:
		tree.setDynamicLoad(loadNodeData, currentIconMode);
		
		//get root node for tree:
		var root = tree.getRoot();
		
		var st = 1;
		
		for (var i=0; i<opts_full[st].length; i++)
		{
			var nid = opts_full[st][i][0];
			var text = opts_full[st][i][1];
			var data = {
				id: nid + '_' + st,
				nid: nid,
				label: text,
				st: st,
				style: 'main_nav_item_level' + st,
				onclick: ""
				};
			var newNode = new YAHOO.widget.MenuNode(data, root, false);
			if (expanded_nodes_ids[st] == nid)
			{
				var expand_node = newNode;
				expand_node.labelStyle += '_on';
			}
		}
		//render tree with these five nodes; all descendants of these nodes
		//will be generated as needed by the dynamic loader.
		tree.draw();
		expandNode(expand_node);
	}
	
	function expandNode(node)
	{
		if (node != null && typeof node != 'undefined' && !node.data.is_static)
		{
			node.expand();
		}
	}
	
	function getTreeDataParams(node, last_id, with_zero)
	{
		var i = 0;
		var params = new Array();
		var params_str = '';
		
		if (last_id)
			params[i++] = last_id;
		
		if (!node.isRoot())
		{
			var p = node.parent;
			
			params[i] = node.data.nid;
			
			while (!p.isRoot())
			{
				i++;
				params[i] = tree._nodes[p.index].data.nid;
				p = p.parent;
			}
		}
		
		if (with_zero)
		{
			for (i = params.length - 1; i >= 0; i--)
				params_str += '/' + (params[i] != null ? params[i] : '0');
			
			for (i = params.length; i < 3; i++)
				params_str += '/0';
		}
		else
		{
			for (i = params.length - 1; i >= 0; i--)
				params_str +=  (params[i] != null ? '/' + params[i] : '');
		}
		return params_str;
	}
	
	function getTreeData(node)
	{
		var dateObj = new Date();
		
		var data = [];
		
		if (typeof Ajax != 'undefined')
			new Ajax.Request(webRoot + 'products/getXml' + getTreeDataParams(node, null, true) + '/' + dateObj.getTime(), {onComplete:function(request){ data = getCallback(request) }, asynchronous:false, evalScripts:true});
		
		return data;
	}
	
	function getCallback(request)
	{
		if (request.readyState == 4 && request.status == 200)
		{
			var xml = request.responseXML.XMLDocument ? request.responseXML.XMLDocument : request.responseXML;
			return xml.getElementsByTagName('item');
		}
	}
	
	return {
		init: function() {
			YAHOO.util.Event.on(["mode0", "mode1"], "click", changeIconMode);
			var el = document.getElementById("mode1");
			if (el && el.checked)
				currentIconMode = parseInt(el.value);
			else
				currentIconMode = 0;
			
			buildTree();
		}
	}
} ();

//YAHOO.util.Event.addListener(window, "load", YAHOO.treespace.treeMenu.init, YAHOO.treespace.treeMenu,true);<!-- 0.4867s -->