package data.trees
{
	import data.Tree;
	
	import mx.events.CollectionEvent;

	public class ServerTree extends Tree
	{	
		private function createList() : XMLList {
			var servers:XMLList = new XMLList();
		
			for each(var element:XML in dataSource.servers.source) {
				servers += dataSource.getRef(element);
			}	
			
			return servers;		
		} 
		
		protected override function serversChanged(event:CollectionEvent) : void {
			if(event.kind == "remove" || event.kind == "add") {
				collection.getItemAt(0).setChildren(createList());
			}
		}
		
		public override function buildTree() : void {
			super.buildTree();
			
			var servers:XML = <Servers/>
			servers.setChildren(createList());
			collection.addItem(servers);	
		}
	}
}