/**
 * Tree menu
 * 
 * @author Jiri Petrek
 */
 
TreeMenu = function(){
  TreeMenuApp = {
  	
	init: function() {
	 $('ul[rel=tree-menu] > li').each(function(){
	 	childs = $('* li', this);
		if(childs.size() > 0) {
			$(this).addClass('closed');
			$('a:first', this).bind('click', TreeMenu.toggleMain);
			childs.each(function(){
				liA = $('a:first', this);
				childs = $('* li', this);
				if(childs.size() > 0){
					liA.bind('click', TreeMenu.toggle);
					$(this).addClass('closed');
				} else {
					$(this).addClass('no-child');
				}
			});
		} else {
			$(this).addClass('no-child');
		}
	 	
	 });
	},
	
	toggleMain: function(e) {
		var parent = $(this).parent();
		if(parent.hasClass('closed')) {
			$('ul[rel=tree-menu] > li.opened').each(function(){
				$(this).removeClass('opened').addClass('closed');
				$('ul:first', this).hide('slow');
			});
			parent.removeClass('closed').addClass('opened');
			$('ul:first', parent).show('slow');
		} else {
			parent.removeClass('opened').addClass('closed');
			$('ul:first', parent).hide('slow');
		}
		return false;
	},
	
	toggle: function(e) {
		var parent = $(this).parent();
		if(parent.hasClass('closed')) {
		  var parentt = parent.parent();
			$('li.opened', parentt).each(function(){
				$(this).removeClass('opened').addClass('closed');
				$('ul:first', this).hide('slow');
			});		  
    	parent.removeClass('closed').addClass('opened');
			$('ul:first', parent).show('slow');
		} else {
			parent.removeClass('opened').addClass('closed');
			$('ul:first', parent).hide('slow');
		}
		return false;		
	}
	
  };
  return TreeMenuApp;
}();