Я написал для этого подкласс EventCurb, см. Мой блог здесь или вставьте ниже.
package
{
import flash.events.EventDispatcher;
import flash.utils.Dictionary;
/**
* ...
* @author Thomas James Thorstensson
* @version 1.0.1
*/
public class EventCurb extends EventDispatcher
{
private static var instance:EventCurb= new EventCurb();
private var objDict:Dictionary = new Dictionary(true);
private var _listener:Function;
private var objArr:Array;
private var obj:Object;
public function EventCurb() {
if( instance ) throw new Error( "Singleton and can only be accessed through Singleton.getInstance()" );
}
public static function getInstance():EventCurb {
return instance;
}
override public function addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
{
super.addEventListener(type, listener, useCapture, priority, useWeakReference);
}
override public function removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
{
super.removeEventListener(type, listener, useCapture);
}
public function addListener(o:EventDispatcher, type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void {
// the object as key for an array of its event types
if (objDict[o] == null) objArr = objDict[o] = [];
for (var i:int = 0; i < objArr.length; i++) {
if ( objArr[i].type == type)
trace ("_______object already has this listener not adding!")
return
}
obj = { type:type, listener:listener }
objArr.push(obj);
o.addEventListener(type, listener, useCapture, priority, useWeakReference);
}
public function removeListener(o:EventDispatcher, type:String, listener:Function, useCapture:Boolean = false):void {
// if the object has listeners (ie exists in dictionary)
if (objDict[o] as Array !== null) {
var tmpArr:Array = [];
tmpArr = objDict[o] as Array;
for (var i:int = 0; i < tmpArr.length; i++) {
if (tmpArr[i].type == type) objArr.splice(i);
}
o.removeEventListener(type, listener, useCapture);
if (tmpArr.length == 0) {
delete objDict[o]
}
}else {
trace("_______object has no listeners");
}
}
/**
* If object has listeners, returns an Array which can be accessed
* as array[index].type,array[index].listeners
* @param o
* @return Array
*/
public function getListeners(o:EventDispatcher):Array{
if (objDict[o] as Array !== null) {
var tmpArr:Array = [];
tmpArr = objDict[o] as Array;
// forget trying to trace out the function name we use the function literal...
for (var i:int = 0; i < tmpArr.length; i++) {
trace("_______object " + o + " has event types: " + tmpArr[i].type +" with listener: " + tmpArr[i].listener);
}
return tmpArr
}else {
trace("_______object has no listeners");
return null
}
}
public function removeAllListeners(o:EventDispatcher, cap:Boolean = false):void {
if (objDict[o] as Array !== null) {
var tmpArr:Array = [];
tmpArr = objDict[o] as Array;
for (var i:int = 0; i < tmpArr.length; i++) {
o.removeEventListener(tmpArr[i].type, tmpArr[i].listener, cap);
}
for (var p:int = 0; p < tmpArr.length; p++) {
objArr.splice(p);
}
if (tmpArr.length == 0) {
delete objDict[o]
}
}else {
trace("_______object has no listeners");
}
}
}
}