Forgot to mention it doesn't really matter about the image name - it
doesn't have to exist. I just had it as a test image in my project
directory...
-Ciarán
On 11/6/06, Ciarán <[EMAIL PROTECTED]> wrote:
> I fixed the problem by changing the way I was using the Image control
> (calling load() instead of changing the reference in the container).
>
> callLater() would solve the issue if it were caused by event timings,
> and I tried using that, so I don't think my problem is related. After
> much tinkering around I've reduced what's going wrong to a few lines.
>
> I've got a feeling it's more fundamental to the behaviour of
> addChild() and the arguments supplied. Intuitively (in my twisted
> brain), this should work - all I'm doing is using a reference to a
> control twice (in different containers). Remove the comment slashes to
> make it balk.
>
> package testspace
> {
> import mx.controls.*;
> import mx.containers.*;
>
> public class TestImage extends VBox
> {
> private var mainImage:Image = new Image();
> public function TestImage()
> {
> mainImage.load("images/dvd_1.jpg");
> }
>
> override protected function createChildren():void
> {
> super.createChildren();
> var tileDisplay:Tile = new Tile();
> tileDisplay.addChild(mainImage);
> //addChild(mainImage);
> addChild(tileDisplay);
> }
> }
> }
>
> The documentation doesn't seem to indicate what behaviour would make
> this throw an exception (or am I being blind here?). If anyone can
> point me to whatever explains it, I'd be most appreciative.
>
> Many Thanks,
> Ciarán
>
> On 11/2/06, Jason Hawryluk <[EMAIL PROTECTED]> wrote:
> > I'm having the exact same type of problem swapping containers in a
> > TabNavigator using this type of command
> >
> > main.setChildIndex(main.getChildAt(2),1);
> >
> > The behind code seems to choke on the getChildAt of the container.
> >
> >
> > I had the some index problems on other things with this component and for
> > that one found that using callLater solved part of it. Perhaps you could
> > give that a try, failing that if you find a simple answer to your problem I'
> > d be interested in hearing about your solution. I'll do likewise if I find a
> > solution to the current index problem.
> >
> > Anyway Frustrating to say the least.
> >
> > jason
> >
> >
> >
> >
> >
> > -----Message d'origine-----
> > De : [email protected] [mailto:[EMAIL PROTECTED] la
> > part de Ciarán
> > Envoyé : jeudi 2 novembre 2006 14:29
> > À : [email protected]
> > Objet : [flexcoders] AddChild() Exceptions
> >
> >
> > Hi All,
> >
> > I'm having a slight problem building a custom component. The basic
> > idea is a combination of a primary image container, and a Tile()
> > container providing a selection of images. When selected, each image
> > would appear as a primary image.
> >
> > This sounds tediously simple. I'm implementing it upon the principle
> > that a change event is broadcast when a setter is called, which has a
> > registered listener that updates the component. It attempts to replace
> > the at index 0.
> >
> > The annoying thing is that if I implement this from a vanilla
> > perspective (blank text file), it works fine (making things much
> > harder to debug since I can't reproduce the behaviour) - however in
> > the context of the application I'm developing, it throws an exception:
> >
> > RangeError: Error #2006: The supplied index is out of bounds.
> > at flash.display::DisplayObjectContainer/getChildAt()
> > at
> > mx.core::Container/getChildAt()[C:\dev\GMC\sdk\frameworks\mx\core\Container.
> > as:2384]
> > at
> > mx.core::UIComponent/notifyStyleChangeInChildren()[C:\dev\GMC\sdk\frameworks
> > \mx\core\UIComponent.as:7099]
> > at
> > mx.core::Container/mx.core:Container::commitProperties()[C:\dev\GMC\sdk\fram
> > eworks\mx\core\Container.as:2680]
> > at
> > mx.core::UIComponent/validateProperties()[C:\dev\GMC\sdk\frameworks\mx\core\
> > UIComponent.as:5218]
> > at
> > mx.managers::LayoutManager/mx.managers:LayoutManager::validateProperties()[C
> > :\dev\GMC\sdk\frameworks\mx\managers\LayoutManager.as:517]
> > at
> > mx.managers::LayoutManager/mx.managers:LayoutManager::doPhasedInstantiation(
> > )[C:\dev\GMC\sdk\frameworks\mx\managers\LayoutManager.as:628]
> > at Function/http://adobe.com/AS3/2006/builtin::apply()
> > at
> > mx.core::UIComponent/mx.core:UIComponent::callLaterDispatcher2()[C:\dev\GMC\
> > sdk\frameworks\mx\core\UIComponent.as:7789]
> > at
> > mx.core::UIComponent/mx.core:UIComponent::callLaterDispatcher()[C:\dev\GMC\s
> > dk\frameworks\mx\core\UIComponent.as:7732]
> >
> > This happens when the addChildAt() method gets called. Without
> > divulging context, is there any obvious reason why I'm getting this
> > exception? I've been battling this for hours now and it won't yield.
> > If I'm not doing something incredibly stupid that would cause this,
> > please let me know.
> >
> > Intuitively, it seems like the addChild() is triggering something at
> > the wrong moment in time, giving something similar to an "Array out
> > of bounds" as it looks for stuff to render. I understand most of the
> > trace atomically speaking, but on the whole I have no idea how to
> > remedy it.
> >
> > Also, I have an annoying problem with Flexbuilder. Breakpoints dont
> > seem to work for me at all. I can't find any setting that implies this
> > might've been turned off, so I'm not sure what to do about it. Perhaps
> > find the checkbox that says "Don't work properly" and untick it.
> >
> > Any clues would be much appreciated =)
> >
> > Kind Regards,
> >
> > Ciarán
> >
> >
> >
> >
> >
> >
> > --
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> >
> >
> >
> >
> >
>
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