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Thread: Swf load/unload need help

  1. #1
    Senior Member
    Join Date
    Jan 2010
    Posts
    141

    Swf load/unload need help

    Hello,

    I newish to Flash, and am having some issues. I'm working on a presentation and want to load some external swfs files. In frame one I have links that take you to a new frame. Some of those frames only need to load/unload one swf file, which I have working fine. However I'm running into issues when there are multiple swfs that I'm trying to load into one movie clip box. I would love to only have one loader and one button that will remove what ever is contained in that box. Right now I have a loader for each swf and a button that will remove the loader. But I keep getting an Error 1120: Access of undefined property codeLoad. Can some one help me figure this out. Here is the code in as3 as I have it now.

    Code:
    var frontbox:container = new container(); 
    frontbox.x= -825;
    frontbox.y= -235;
    this.addChild(frontbox);
    
    
    medicalOfficeBACK.addEventListener(MouseEvent.CLICK, goToHome);
    
    function goToHome(e:MouseEvent):void{
    	removeChild(frontbox);
    	gotoAndStop("mapHome");
    }
    
    backCODE.visible = false;
    backADMIN.visible = false;
    backTRANS.visible = false;
    
    ///////Set up add/remove of Code Game
    code.addEventListener(MouseEvent.CLICK, playCode);
    code.tabEnabled = true;
    
    function playCode(e:MouseEvent):void{
    	backCODE.visible = true;
    	var codeLoad:Loader = new Loader();
    	frontbox.addChild(codeLoad);
    	codeLoad.load(new URLRequest("ASSETS/swfs/Coding.swf"));
    }
    
    backCODE.addEventListener(MouseEvent.CLICK, removeCODE);
    
    function removeCODE(e:MouseEvent):void{
    	frontbox.removeChild(codeLoad);
    	backCODE.visible = false;
    	backADMIN.visible = false;
    	backTRANS.visible = false;
    }
    
    ///////Set up add/remove of Transcriptioin
    transcription.addEventListener(MouseEvent.CLICK, playTrans);
    transcription.tabEnabled = true;
    
    function playTrans(e:MouseEvent):void{
    	backTRANS.visible = true;
    //	var transLoad:Loader = new Loader();
    //	frontbox.addChild(transLoad);
    //	transLoad.load(new URLRequest("ASSETS/swfs/Trans.swf"));
    }
    
    backTRANS.addEventListener(MouseEvent.CLICK, removeTRANS);
    
    function removeTRANS(e:MouseEvent):void{
    //	frontbox.removeChild(transLoad);
    	backCODE.visible = false;
    	backADMIN.visible = false;
    	backTRANS.visible = false;
    }
    
    ///////Set up add/remove of Admin section
    admin.addEventListener(MouseEvent.CLICK, playAdmin);
    admin.tabEnabled = true;
    
    function playAdmin(e:MouseEvent):void{
    	backADMIN.visible = true;
    //	var adminLoad:Loader = new Loader();
    //	frontbox.addChild(adminLoad);
    //	adminLoad.load(new URLRequest("ASSETS/swfs/Admin.swf"));
    }
    
    backADMIN.addEventListener(MouseEvent.CLICK, removeADMIN);
    
    function removeADMIN(e:MouseEvent):void{
    //	frontbox.removeChild(adminLoad);
    	backCODE.visible = false;
    	backADMIN.visible = false;
    	backTRANS.visible = false;
    }

  2. #2
    Senior Member
    Join Date
    Jan 2010
    Posts
    141
    So I was trying a new method of having a button in the external swf that would close itself, but it is giving me errors. I've tried both:

    this.parent.removeChild(this);
    DisplayObjectContainer(this.parent).removeChild(th is);

    This is my error:

    Error: Error #2069: The Loader class does not implement this method.
    at Error$/throwError()
    at flash.display::Loader/removeChild()
    at CodeREMOVE_fla::MainTimeline/CloseCode()

    I don't know what would be easier for someone to help me with. Can some one please help me before I loose all my hair.

  3. #3
    Senior Member
    Join Date
    Jan 2010
    Posts
    141
    Ok I got the external swf to unload using the ... well... unload method. Here is the updated code:

    PHP Code:
    code.addEventListener(MouseEvent.CLICKplayCode);
    code.tabEnabled true;

    var 
    codeLoad:Loader = new Loader();

    function 
    playCode(e:MouseEvent):void{
        
    backCODE.visible true;
        
    frontbox.addChild(codeLoad);
        
    codeLoad.load(new URLRequest("ASSETS/swfs/Coding.swf"));
    }

    backCODE.addEventListener(MouseEvent.CLICKremoveCODE);

    function 
    removeCODE(e:MouseEvent):void{
        
    codeLoad.unload();
        
    backCODE.visible false;
        
    backADMIN.visible false;
        
    backTRANS.visible false;

    However, can some one still help with condensing the code to just have one loader that will load all the external swfs? Also does someone know how to get the external swf to unload itself? I really would like to know how to do that.

    Thanks all : )

  4. #4
    :
    Join Date
    Dec 2002
    Posts
    3,518
    To test this, need to have a movie clip in the library, export linkage 'closebtn'.
    And unless you change the elements in the array, need to have the two external files.

    You'll need to add code for positioning of loaded objects...

    Code:
    var objArray:Array=["sampleB.png","sampleA.swf"];
    
    code.addEventListener(MouseEvent.CLICK, playCode);
    code.tabEnabled=true;
    
    function playCode(e:MouseEvent):void {
    	backCODE.visible=true;
    	for (var i in objArray) {
    		var codeLoad:Loader = new Loader();
    		frontbox.addChild(codeLoad);
    		codeLoad.load(new URLRequest(objArray[i]));
    		codeLoad.contentLoaderInfo.addEventListener(Event.COMPLETE, completeHandler);
    	}
    }
    
    function completeHandler(e:Event):void {
    	if (e.target.content is MovieClip) {
    		var myMC:MovieClip=MovieClip(e.target.content);
    		var btn:closeBtn = new closeBtn();
    		myMC.addChild(btn);
    		btn.addEventListener(MouseEvent.CLICK, unloadSWF);
    	} else if (e.target.content is DisplayObject) {
    		var myL:Loader=Loader(DisplayObject(e.target.content).parent);
    		myL.addEventListener(MouseEvent.CLICK, unloadPIC);
    	}
    }
    
    function unloadPIC(e:MouseEvent):void {
    	e.target.unload();
    }
    
    function unloadSWF(e:MouseEvent):void {
    	e.currentTarget.parent.parent.unloadAndStop();
    }
    
    backCODE.addEventListener(MouseEvent.CLICK, removeCODE);
    
    function removeCODE(e:MouseEvent):void {
    	var num:int=frontbox.numChildren-1;
    	for (var i=num; i>=0; i--) {
    		if (frontbox.getChildAt(i) is Loader) {
    			Loader(frontbox.getChildAt(i)).unloadAndStop();
    		}
    	}
    	backCODE.visible=false;
    	backADMIN.visible=false;
    	backTRANS.visible=false;
    }
    Above code adds a button to click to unload the swf. What type of event did you want to use for the external swf to unload itself?
    Last edited by dawsonk; 04-14-2010 at 12:34 PM.

  5. #5
    Senior Member
    Join Date
    Jan 2010
    Posts
    141
    hi dawsonk. Thanks for the help. However I am not understanding what your code is doing compared to mine. Let me explain what I am trying to do...

    I have 3 swfs that will load when you click a button. When the swf loads, it loads on top of the buttons, so it needs to be unloaded before you can click the next button to load a diffrent swf file. I need to load the swfs into a container (I think) because this is just a sub section of the whole project. so when you click the "exit" button it removes the container and whatever the contents. I hope this makes sense. I can get it to work with coding everything out by hand, but I have several other sections to code, and would like a way to make as little typing as possible (plus I like being efficient : )...

    So here is my latest code:

    PHP Code:
    var frontbox:container = new container(); 
    frontbox.x= -825;
    frontbox.y= -235;
    this.addChild(frontbox);


    medicalOfficeBACK.addEventListener(MouseEvent.CLICKgoToHome);

    function 
    goToHome(e:MouseEvent):void{
        
    removeChild(frontbox);
        
    gotoAndStop("mapHome");
    }

    backCODE.visible false;
    backADMIN.visible false;
    backTRANS.visible false;

    ///////Set up add/remove of Code Game
    code.addEventListener(MouseEvent.CLICKplayCode);
    code.tabEnabled true;

    var 
    codeLoad:Loader = new Loader();

    function 
    playCode(e:MouseEvent):void{
        
    backCODE.visible true;
        
    frontbox.addChild(codeLoad);
        
    codeLoad.load(new URLRequest("ASSETS/swfs/code.swf"));
    }

    backCODE.addEventListener(MouseEvent.CLICKremoveCODE);

    function 
    removeCODE(e:MouseEvent):void{
        
    codeLoad.unload();
        
    backCODE.visible false;
    }

    ///////Set up add/remove of Transcriptioin
    transcription.addEventListener(MouseEvent.CLICKplayTrans);
    transcription.tabEnabled true;

    var 
    transLoad:Loader = new Loader();

    function 
    playTrans(e:MouseEvent):void{
        
    backTRANS.visible true;
        
    frontbox.addChild(transLoad);
        
    transLoad.load(new URLRequest("ASSETS/swfs/trans.swf"));
    }

    backTRANS.addEventListener(MouseEvent.CLICKremoveTRANS);

    function 
    removeTRANS(e:MouseEvent):void{
        
    transLoad.unload();
        
    backTRANS.visible false;
    }

    ///////Set up add/remove of Admin section
    admin.addEventListener(MouseEvent.CLICKplayAdmin);
    admin.tabEnabled true;

    var 
    adminLoad:Loader = new Loader();

    function 
    playAdmin(e:MouseEvent):void{
        
    backADMIN.visible true;
        
    frontbox.addChild(adminLoad);
        
    adminLoad.load(new URLRequest("ASSETS/swfs/admin.swf"));
    }

    backADMIN.addEventListener(MouseEvent.CLICKremoveADMIN);

    function 
    removeADMIN(e:MouseEvent):void{
        
    adminLoad.unload();
        
    backADMIN.visible false;

    I tried to reduce the code using this way I found online:

    PHP Code:
    var frontbox:container = new container(); 
    frontbox.x= -825;
    frontbox.y= -235;
    this.addChild(frontbox);

    frontUnload.visible false;
        
    /////set up MASTER back button
    medicalOfficeBACK.addEventListener(MouseEvent.CLICKgoToHome);

    function 
    goToHome(e:MouseEvent):void{
        
    removeChild(frontbox);
        
    gotoAndStop("mapHome");
    }

    //////Set up loader
    var frontLoad:Loader = new Loader();

    function 
    goLoad(e:MouseEvent):void{
        var 
    newSWFRequest:URLRequest = new URLRequest("ASSETS/swfs/" event.target.name ".swf"); 
        
    frontUnload.visible true;
        
    frontLoad.load(newSWFRequest);
        
    frontbox.addChild(frontLoad);
    }

    ///////Set up add/remove of Code Game
    code.addEventListener(MouseEvent.CLICKgoLoad);
    code.tabEnabled true;
    trans.addEventListener(MouseEvent.CLICKgoLoad);
    trans.tabEnabled true;
    admin.addEventListener(MouseEvent.CLICKgoLoad);
    admin.tabEnabled true;

    ///////set up unload button
    frontUnload.addEventListener(MouseEvent.CLICKremoveSWF);

    function 
    removeSWF(e:MouseEvent):void{
        
    frontLoad.unload();
        
    frontUnload.visible false;


    but it does not seem to work for me. It gives me the error 1120 Access of undefined property event. source: var newSWFRequest:URLRequest = new URLRequest("ASSETS/swfs/" + event.target.name + ".swf");

    I am not sure how the array will work, because I don't want to load all swfs on the stage at once, but one at a time. Thanks for any help you can give.


    I think I am giving up on having the swf remove itself. I basically wanted to have a button in the external swf file, that once clicked would remove itself, but I think how i have my file set up is not the most ideal for this situation.

    Thanks!

  6. #6
    Senior Member
    Join Date
    Jan 2010
    Posts
    141
    Can someone please help. I keep trying different things, but they don't work.

    Thanks = )

  7. #7
    :
    Join Date
    Dec 2002
    Posts
    3,518
    Code:
    var frontbox:container = new container();
    frontbox.x=-825; 
    frontbox.y=-235; 
    this.addChild(frontbox);
    
    var myLoad:Loader = new Loader();
    frontbox.addChild(myLoad);
    
    /*function completeHandler(e:Event):void {
    	if (e.target.content is MovieClip) {
    		var myMC:MovieClip=MovieClip(e.target.content);
    		var btn:closeBtn = new closeBtn();
    		myMC.addChild(btn);
    		btn.addEventListener(MouseEvent.CLICK, removeSWF);
    	}
    }*/
    
    function loadSWF(e:MouseEvent):void {
    	frontUnload.visible=true;
    	myLoad.load(new URLRequest("ASSETS/swfs/"+e.currentTarget.name+".swf"));
    	/*myLoad.contentLoaderInfo.addEventListener(Event.COMPLETE, completeHandler);*/
    }
    
    function removeSWF(e:MouseEvent):void {
    	myLoad.unloadAndStop();
    	frontUnload.visible=false;
    }
    
    function goToHome(e:MouseEvent):void {
    	frontbox.removeChild(myLoad);
    	removeChild(frontbox);
    	gotoAndStop("mapHome");
    }
    
    medicalOfficeBACK.addEventListener(MouseEvent.CLICK, goToHome);
    
    frontUnload.visible=false;
    frontUnload.addEventListener(MouseEvent.CLICK, removeSWF);
    
    code.addEventListener(MouseEvent.CLICK, loadSWF);
    code.tabEnabled=true;
    
    trans.addEventListener(MouseEvent.CLICK, loadSWF);
    trans.tabEnabled=true;
    
    admin.addEventListener(MouseEvent.CLICK, loadSWF);
    admin.tabEnabled=true;

  8. #8
    Senior Member
    Join Date
    Jan 2010
    Posts
    141
    thanks dawsonk = )

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