I suspect when you mention that move() is not working then you are
trying to invoke this on the Button components from within
createChildren() . This will also not work as child UIObject components
are not fully initialised until the next frame.
UIObject has a doLater() function which will defer any method call to
the next frame. So you could do something like this....
function createChildren () : Void
{
// do something here
doLater(this, "layoutComponents");
}
// invoked on the next frame
function layoutComponents () : Void
{
myUIObjectComponent.move(100, 50);
}
mx.core.View does something similar to this: you would layout components
in a doLayout() method which is automatically deferred called on the
next frame.
You could of course declare a draw() method instead.
Chris
David Ham:
Hi,
I was having trouble with some components yesterday. I am writing a
NavigatonView class that extends UIObject. I linked it to a symbol in the
library that had four Button components in it. The symbol had no code in it;
the code for the class was entirely in an external .as file.
Here is the trouble: the Button components appear on stage, but only as
Movieclips, they do not respond to component commands like move(), and they
do not register calls to addEventListener(). However, they respond visually
when I roll over them, and I can attach functions to their onRelease. What
gives?
Here is the code from the class:
private function createChildren():Void {
trace("CREATECHILDREN");
roomShape_btn.toggle = true;
//roomShape_btn.addEventListener( "click", this );
//resizeRoom_btn.addEventListener( "click", this );
//editCorners_btn.addEventListener( "click", this );
//placeObjects_btn.addEventListener( "click", this );
roomShape_btn.onRelease = click;
resizeRoom_btn.onRelease = click;
editCorners_btn.onRelease = click;
placeObjects_btn.onRelease = click;
}
function click(evt:Object) {
trace( this );
}
The commented lines do not work (and yes, I did try uncommenting them first,
har har) but the onRelease ones do.
Incidentally, component instances that I create dynamically with
createClassObject() work as expected.
Thanks for any help you can offer,
OK
DAH
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