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Help with AS3 event handler. Loading SWF into an MC.

Posted on 2008-10-25
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Last Modified: 2013-11-11
A colleague in the UK provided a solution to a problem I was having with AS3. I'm very new to Flash 9 and have some experience of AS2 and Flash 8. The colleague provided me a script that will load an external SWF into my movie. I assumed that the script would require me to import it when publishing. I also assumed that I would need to create a button on my desktop with a suitable instance name referenced by the script and a container on my stage such as a movie clip to act as a location for the external SWF to load into. (Excuse my ignorance, you can probably see basic AS2 logic here when it no doubt should be done differently). I used the following in frame 1 of the timeline: import folioas.*; I created a directory in the same location as the FLA and dropped the file test.as shown in the code snippet. I created an empty movie clip on the stage and set the instance name to loader. I also created a simple button and set the instance name to clickButton. I assumed this would have the desired effect. I published the file, but found that although no errors appeared in the compiler window, when I launched the resulting SWF it wouldn't load the other desired SWF 'news.swf in to the location I intended on the stage. I have confidence in my colleagues code, but can't reach him over the weekend to ask his advice and am on deadline for Monday for a presentation I have to give. Any help would be greatly appreciated.
package {
// Imports
	import flash.display.MovieClip;
	import flash.display.DisplayObject;
	import flash.display.Loader;
	import flash.net.URLLoader;
	import flash.net.URLRequest;
	import flash.events.Event;
	import flash.events.MouseEvent;
 
 
	public class Main extends MovieClip {
// =============================================================================================
// PROPERTIES
// =============================================================================================
 
// ===============================================================================
// PRIVATE CLASS METHODS & PROPS
		protected var mc                        :MovieClip;
		protected var clickButton               :MovieClip;
 
// ===============================================================================
// PRIVATE CLASS METHODS & PROPS
 
// ===============================================================================
// PRIVATE INSTANCE METHODS
 
// ----------------------------------------------------------------------------------------------
// Constructor
// ----------------------------------------------------------------------------------------------		
		public function Main() {
			setupButton();
		}
// ----------------------------------------------------------------------------------------------
// Setup the button
// ----------------------------------------------------------------------------------------------		
		protected function setupButton():void {
			clickButton.addEventListener(MouseEvent.CLICK, mainClick);
			clickButton.addEventListener(MouseEvent.MOUSE_OVER, mainRoll);
			clickButton.addEventListener(MouseEvent.MOUSE_OUT, mainRollOut);
			clickButton.buttonMode = true;
			clickButton.mouseChildren = false;
		}
// ----------------------------------------------------------------------------------------------
// Rollover script
// ----------------------------------------------------------------------------------------------		
		protected function mainRoll(e:Event):void {
			//	Rollover script
		}
// ----------------------------------------------------------------------------------------------
// Rollout script
// ----------------------------------------------------------------------------------------------		
		protected function mainRollOut(e:Event):void {
			//	Rollout script
		}
// ----------------------------------------------------------------------------------------------
// Loading script
// ----------------------------------------------------------------------------------------------		
		protected function mainClick(e:Event):void {
			var loader:Loader = new Loader();
			loader.contentLoaderInfo.addEventListener(Event.INIT, allComplete);
	 		var urlReq:URLRequest = new URLRequest('news.swf');
			loader.load(urlReq);
		}
// ----------------------------------------------------------------------------------------------
// When the file has uploaded attach the loaded stuff to the movieclip 'mc' that is on the stage
// ----------------------------------------------------------------------------------------------		
		protected function allComplete(e:Event):void{
   			mc.addChild(e.target.content);
		}
	}
}

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Question by:tabrat
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3 Comments
 
LVL 39

Accepted Solution

by:
blue-genie earned 1000 total points
ID: 22812284
hi this is an unnamed package so technically if you created a Main.fla and set the document class to Main and saved the 2 files in the same location you should have liftoff.
the code creates a Loader object which loads the swf, so no you don't need a movieclip on the Stage.
you would need something called clickButton.
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Assisted Solution

by:chimtrum
chimtrum earned 1000 total points
ID: 22829037
Try blue-genie's suggestion and this

this["clickButton"].addEventListener(MouseEvent.CLICK, mainClick);
this["clickButton"].clickButton.addEventListener(MouseEvent.CLICK, mainClick);
this["clickButton"].clickButton.addEventListener(MouseEvent.MOUSE_OVER, mainRoll);
this["clickButton"].clickButton.addEventListener(MouseEvent.MOUSE_OUT, mainRollOut);

Make sure a movieclip with instance name "clickButton" exists in the Main movie


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