package rss {
	import rss.*;
	import flash.display.Bitmap;
	public class DB {
		private var itemList: Array;
		public var assets: AssetManager;
		// the XML Processor that corresponds to the item type
		private var processor: RssXMLProcessor;
		// the constructor function
		public function DB() {
			itemList = new Array();
			assets = new AssetManager();
			//create the processor
			processor = new RssXMLProcessor(this);
			trace("DB: Info - new instance created");
		}
		/*
		 * the main configuration file load function
		 */
		public function loadData(xmlData: XML): void {
			trace("DB: Info - loading feed data");
			processor.process(xmlData);
		}
		public function assetsLoaded(): Boolean {
			return assets.loaded();
		}
		public function itemCount(): int {
			return itemList.length;
		}
		public function addItem(item: RssItem): void {
			itemList.push(item);
		}
		public function getItem(itemId: Number): RssItem {
			if ((itemId > -1) && (itemId < itemList.length)) {
				return itemList[itemId];
			} else {
				trace("DB: Error - supplied id is out of range");
				return null;
			}
		}
		/*
		public function getItemImage(itemId: Number): Bitmap {
			var myItem: RssItem = getItem(itemId);
			// check the id is in range etc.
			if ((myItem != null) && (myItem.imageIndex > -1)) {
				return assets.getAsset(myItem.imageIndex);
			} else {
				trace("DB: Warning - no image is available for id");
				return null;
			}
		}
		*/
	}
}