Just wanted to let you know: Solved the
issue. Deriving my AS3 class from EventDispatcher did the trick. However I
wonder why Flex Builder does not offer EventDispatcher as tooltip help when you
type
import flash.events.
it offers everything else but not
EventDispatcher. Alpha bug?
Regards
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf
Of Ralf Rottmann
Sent: Freitag, 2. Dezember 2005
20:57
To: [email protected]
Subject: Re: [flexcoders] Events
again...
Thanks. I'll give it a try. How about my second
question: how can I "propagate" the event up to ClassA (fired in
ClassB)?
Regards
RR
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-----Original Message-----
From: [email protected] <[email protected]>
To: [email protected] <[email protected]>
Sent: Fri Dec 02 20:32:19 2005
Subject: Re: [flexcoders] Events again...
Ralf -
dispatchEvent and addEventListener are methods of the EventDispatcher
class. EventDispatcher is the superclass to most (all?) built in flex
components, but is not inherently available to all AS3 classes.
If you modify ClassB to instead be
public ClassB extends flash.events.EventDispatcher, it should run as expected.
At 01:42 PM 12/2/2005, you wrote:
>Again an Event question with desperate need for help:
>
>Talking about Flex 2.0 Alpha.
>Two custom classes: ClassA and ClassB.
>Both .as files, so no MXML, no Component, not derived from any other
>built-in class.
>
>In ClassA you find something like that:
>
>public ClassA
>{
>
private helper:ClassB;
>
>
public function ClassA()
> {
>
helper = new ClassB();
>
helper.addEventListener(“fire”, onCustomEvent);
>}
>
>private function onCustomEvent(_e:Event);Void
>{
>
trace (“Event received.”);
>}
>}
>
>ClassB looks like this
>
>[Event(“fire”)]
>public ClassB
>{
> //
constructor and other stuff
>
>
private function aFunction():Void
> {
>
…
>
…
>
var e:Event = new Event(“fire”);
>
dispatchEvent(e);
>
>
…
>
…
> }
>}
>
>Problem: ClassB never receives the event. I am sure the dispatchEvent(e)
>gets called because if I add a listener and a handler in ClassB itself and
add
>
>
var e:Event = new Event(“fire”);
>this.addEventListener(“fire”, onDummyHandler);
>
dispatchEvent(e);
>
>the onDummyHandler in ClassB gets called as expected.
>
>Your help is more than appreciated – as always.
>
>Best regards
>Ralf
>
>Note: These are not excerpts from my real classes but much more simplified
>versions to illustrate the problem.
>
>Regards
>Ralf
>
>
>
>
>
>
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