/**
 * @author SamsamTS
 */
import com.samsamts.Events.EventArgs;

class com.samsamts.Events.EventHandler
{
	//{ Author properties
	public static var className:String = "EventHandler";
	public static var classPackage:String = "com.samsamts.Events";
	public static var version:String = "1.0.0";
	public static var author:String = "SamsamTS";
	public static var link:String = "http://www.samsamts.com/blog/";
	//}
	
	/**
	* Constructor
	* @param	target Target on which to apply the function
	* @param	f The function to call
	* @param	... Additional arguments to be transmitted
	*/
	public function EventHandler(target:Object, f:Function)
	{
			m_function = f;
			m_target = target;
			m_arguments = arguments.slice(2);
	}
	
	//{ Public
	/**
	* Call the EventHandler
	* If the target doesn't exist the call fails
	* @param	sender The Object wich calls
	* @param	arg
	* @return	false if the call fails 
	*/
	public function Call(sender:Object, arg:EventArgs):Boolean
	{
			if(m_target == undefined)
				return false;
			m_function.apply(m_target, (new Array(sender, arg)).concat(m_arguments));
			return true;
	}
	/**
	* Compare two EventHandler
	* @param	handler EventHandler to be compared
	* @return	true if they are equal
	*/
	public function Compare(handler:EventHandler):Boolean
	{
		return m_function === handler.m_function && m_target === handler.m_target;
	}
	
	public function toString():String
	{
		return "[EventHandler]";
	}
	//}

	//{ Private
	private var m_function:Function;
	private var m_target:Object;
	private var m_arguments:Array;
	//}
}