So my fix is as follows:
1. Remove the binding
2. In commit properties:
if( this.initialized ) {
this.selectedIndex = this._displaySection;
}
3. In creation complete handler add call to invalidateProperties();
--- In [email protected], "dave_defusion" <[EMAIL PROTECTED]>
wrote:
>
> It definitely is some sort of race condition but the thing that is
> confusing me is the fact that it's reporting that the selected index
> and the selected child are those that I'm expecting but the display is
> wrong. I've tried adding a validateNow() call before the change but
> that hasn't made much difference.
>
> I'm gonna have to look at my code to figure out a better way for me to
> control when this is called, but it really doesn't make much sense to
> me why the viewstack is reporting that it's got everything selected as
> expected but no matter how much I try to force it to update (by
> calling validateNow or invalidateDisplayList etc.) it doesn't seem to
> want to show the correct selected index the first time after the
> component is loaded.
>
> -D
>
> --- In [email protected], "Alex Harui" <aharui@> wrote:
> >
> > Sounds like timing. If you have a button you click to change it, will
> > it change the first time? If so, a validateNow() before you
change the
> > value might help.
> >
> >
> >
> > ________________________________
> >
> > From: [email protected]
[mailto:[EMAIL PROTECTED] On
> > Behalf Of dave_defusion
> > Sent: Saturday, April 12, 2008 6:21 AM
> > To: [email protected]
> > Subject: [flexcoders] View stack not changing in display even though
> > index changes (first time only)
> >
> >
> >
> > I have a view stack setup as a custom component, in it there is a
> > property call displaySection which is an int that corresponds to the
> > index to set the view stack. This is so that I can then use constants
> > for each of the sections external to the view and not worry about the
> > implementation within the view.
> >
> > It is something like follows:
> >
> > <mx:Viewstack
> > ...
> > selectedIndex="{displaySection}">
> >
> > ...
> > public static const SECTION_ONE:int = 0;
> > (etc.)
> > ...
> >
> > [Bindable]
> > public var displaySection:int = SECTION_ONE;
> > ...
> > </mx:Viewstack>
> >
> > If I then change the displaySection externally and trace out the
> > selectedIndex and selectedChild of my component both are as expected,
> > however the very first time I do this without fail the display does
> > not change and the section displayed is always the default one.
> > However if I try and do it again then everything works fine.
> >
> > I've tried swapping out the displaySection variable for a setter and
> > removed the binding and made the selectedIndex/selectedChild change
> > happen within commitProperties() and have traced out the initialized
> > property of my view and the length of the children and everything is
> > always as I expect it to be. However still no matter what I try
> > without fail on the first attempt to change the displaySection it
> > never works (always does thereafter --- but with nothing discernibly
> > different in the trace).
> >
> > I've also tried changing the creationPolicy on the viewstack (and all
> > the viewstack children) to all, which didn't make any difference.
> >
> > I've run through the debugger also and everything appears to be fine.
> >
> > I'm really stuck and I'm ready to throw my computer out of the window.
> >
> > Any ideas are greatly appreciated.
> >
>
