/**
 * Flash Video for Professionals: MVC Player 
 * http://www.flashconnections.com
 * @author James O'Reilly
 */
package com.flashconnections.ui.component.mediaPlayer.playlist
{
	import com.flashconnections.core.Core;
	
	public class actionscript_video_com_flashconnections_ui_component_mediaPlayer_playlist_PlaylistUtils extends Core
	{
		public static function addUniqueItem(a:Array, o:Object):Number {
			var n:Number = a.length;
			for(var i:Number = 0; i < n; i++) if(a[i] == o) return i;
			a.push(o);
			return a.length;
		}
		public static function removeItem(a:Array, o:Object):Array {
			var n:Number = a.length;
			for(var i:Number = 0; i < n; i++) {
				if (a[i] == o) {
					a.splice(i, 1);
					return a;
				}
			}
			return null;
		}
		public static function removeItemAt(a:Array, index:Number):Array {
			a.splice(index, 1);
			return a;
		}
		public static function replaceItem(a:Array, oldObject:Object, newObject:Object):Number {
			var n:Number = a.length;
			for(var i:Number = 0; i < n; i++) if(a[i] == oldObject) a[i] = newObject;
			return a.length;
		}
	}
}