var Docs = function(){
    var layout, center;
    
//    var classClicked = function(e, target){
//       // Docs.loadDoc(target.href);
//       alert(target);
//    };
    
    return {
        init : function(){
            
            
            var classes = Ext.get('classes');
			if(Docs.classData){
				var tree = new Ext.tree.TreePanel(classes, {
					loader: new Ext.tree.TreeLoader(),
					rootVisible:false,
                    animate:false
                });
                new Ext.tree.TreeSorter(tree, {folderSort:true,leafAttr:'isClass'});
                var root = new Ext.tree.AsyncTreeNode({
					text:'Temple Quay - Files',
					children: [Docs.classData]
				});
				tree.setRootNode(root);

                tree.on('click', function(n){
                    if(n.isLeaf()){
                        //Docs.loadDoc('output/'+n.attributes.fullName+'.html');
                    }
                });

                tree.render();
			}else{
            	// classes.on('click', classClicked, null, {delegate: 'a', stopEvent:true});
		         classes.select('h3').each(function(el){
		             var c = new NavNode(el.dom);
		             if(!/^\s*(?:API Reference|Examples and Demos)\s*$/.test(el.dom.innerHTML)){
		                 c.collapse();
		             }
		         });
		    }
            
            
        }
        
       
    };
}();
Ext.onReady(Docs.init, Docs, true);

/**
 * Simple tree node class based on Collapser and predetermined markup.
 */
var NavNode = function(clickEl, collapseEl){
    this.clickEl = Ext.get(clickEl);
    if(!collapseEl){
        collapseEl = this.clickEl.dom.nextSibling;
        while(collapseEl.nodeType != 1){
            collapseEl = collapseEl.nextSibling;
        }
    }
    this.collapseEl = Ext.get(collapseEl);
    this.clickEl.addClass('collapser-expanded');
    this.clickEl.mon('click', function(){
        this.collapsed === true ? 
            this.expand() : this.collapse();
    }, this, true);
};

NavNode.prototype = {
    collapse : function(){
        this.collapsed = true;
        this.collapseEl.setDisplayed(false);
        this.clickEl.replaceClass('collapser-expanded','collapser-collapsed');
    },
    
    expand : function(){
        this.collapseEl.setDisplayed(true);
        this.collapsed = false;
        this.collapseEl.setStyle('height', '');   
        this.clickEl.replaceClass('collapser-collapsed','collapser-expanded');
    }
};