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UIEventDispatcher.as
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Text File
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2010-05-15
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4KB
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117 lines
class mx.events.UIEventDispatcher extends mx.events.EventDispatcher
{
static var keyEvents = {keyDown:1,keyUp:1};
static var loadEvents = {load:1,unload:1};
static var lowLevelEvents = {keyEvents:["addKeyEvents","removeKeyEvents"],loadEvents:["addLoadEvents","removeLoadEvents"]};
static var _fEventDispatcher = undefined;
function UIEventDispatcher()
{
super();
}
static function addKeyEvents(obj)
{
if(obj.keyHandler == undefined)
{
var _loc0_ = null;
var _loc1_ = obj.keyHandler = new Object();
_loc1_.owner = obj;
_loc1_.onKeyDown = mx.events.UIEventDispatcher._fEventDispatcher.onKeyDown;
_loc1_.onKeyUp = mx.events.UIEventDispatcher._fEventDispatcher.onKeyUp;
}
Key.addListener(obj.keyHandler);
}
static function removeKeyEvents(obj)
{
Key.removeListener(obj.keyHandler);
}
static function addLoadEvents(obj)
{
if(obj.onLoad == undefined)
{
obj.onLoad = mx.events.UIEventDispatcher._fEventDispatcher.onLoad;
obj.onUnload = mx.events.UIEventDispatcher._fEventDispatcher.onUnload;
if(obj.getBytesTotal() == obj.getBytesLoaded())
{
obj.doLater(obj,"onLoad");
}
}
}
static function removeLoadEvents(obj)
{
delete obj.onLoad;
delete obj.onUnload;
}
static function initialize(obj)
{
if(mx.events.UIEventDispatcher._fEventDispatcher == undefined)
{
mx.events.UIEventDispatcher._fEventDispatcher = new mx.events.UIEventDispatcher();
}
obj.addEventListener = mx.events.UIEventDispatcher._fEventDispatcher.__addEventListener;
obj.__origAddEventListener = mx.events.UIEventDispatcher._fEventDispatcher.addEventListener;
obj.removeEventListener = mx.events.UIEventDispatcher._fEventDispatcher.removeEventListener;
obj.dispatchEvent = mx.events.UIEventDispatcher._fEventDispatcher.dispatchEvent;
obj.dispatchQueue = mx.events.UIEventDispatcher._fEventDispatcher.dispatchQueue;
}
function dispatchEvent(eventObj)
{
if(eventObj.target == undefined)
{
eventObj.target = this;
}
this[eventObj.type + "Handler"](eventObj);
this.dispatchQueue(mx.events.EventDispatcher,eventObj);
this.dispatchQueue(this,eventObj);
}
function onKeyDown(Void)
{
this.owner.dispatchEvent({type:"keyDown",code:Key.getCode(),ascii:Key.getAscii(),shiftKey:Key.isDown(16),ctrlKey:Key.isDown(17)});
}
function onKeyUp(Void)
{
this.owner.dispatchEvent({type:"keyUp",code:Key.getCode(),ascii:Key.getAscii(),shiftKey:Key.isDown(16),ctrlKey:Key.isDown(17)});
}
function onLoad(Void)
{
if(this.__sentLoadEvent != true)
{
this.dispatchEvent({type:"load"});
}
this.__sentLoadEvent = true;
}
function onUnload(Void)
{
this.dispatchEvent({type:"unload"});
}
function __addEventListener(event, handler)
{
this.__origAddEventListener(event,handler);
var _loc3_ = mx.events.UIEventDispatcher.lowLevelEvents;
for(var _loc5_ in _loc3_)
{
if(mx.events.UIEventDispatcher[_loc5_][event] != undefined)
{
var _loc2_ = _loc3_[_loc5_][0];
mx.events.UIEventDispatcher._loc2_(this);
}
}
}
function removeEventListener(event, handler)
{
var _loc6_ = "__q_" + event;
mx.events.EventDispatcher._removeEventListener(this[_loc6_],event,handler);
if(this[_loc6_].length == 0)
{
var _loc2_ = mx.events.UIEventDispatcher.lowLevelEvents;
for(var _loc5_ in _loc2_)
{
if(mx.events.UIEventDispatcher[_loc5_][event] != undefined)
{
var _loc3_ = _loc2_[_loc5_][1];
mx.events.UIEventDispatcher[_loc2_[_loc5_][1]](this);
}
}
}
}
}