The official documentation says to use the following syntax:
[Bindable(event="eventname")]
Jules' suggestion seems to be an alias for it (the Adobe team is also using
this one):
[Bindable("eventname")]
Haykel Ben Jemia
Allmas
Web & RIA Development
http://www.allmas-tn.com
On Tue, Nov 25, 2008 at 10:47 AM, Jules Suggate <[EMAIL PROTECTED]>wrote:
> Have you tried just doing [Bindable("dataChanged")] instead of
> [Bindable(name="dataChanged")]?
>
>
> On Tue, Nov 25, 2008 at 17:32, Michael Prescott
> <[EMAIL PROTECTED] <michael.r.prescott%40gmail.com>> wrote:
> > Oh sorry, I omitted the the getter from my example - but yes, I have
> > getters. (The IDE warns you that [Bindable] doesn't do anything when you
> > omit the getter.)
> >
> > I'm wondering if data binding requires the event to be a
> PropertyChangeEvent
> > for data binding to work?
> >
> > Michael
> >
> > On Mon, Nov 24, 2008 at 11:12 PM, Amy <[EMAIL
> > PROTECTED]<amyblankenship%40bellsouth.net>>
> wrote:
> >>
> >> --- In flexcoders@yahoogroups.com <flexcoders%40yahoogroups.com>,
> "Michael Prescott"
> >>
> >> <[EMAIL PROTECTED]> wrote:
> >> >
> >> > I'm having some troubles with data binding and a named event
> >> generated
> >> > by a custom non-visual component. What I'm trying to do is have a
> >> > property (say, 'data') which, when it changes, triggers the usual
> >> > data-binding updates, but also fires an event that can be listened
> >> to
> >> > in the MXML. For example:
> >> >
> >> > <foo:MyClass id="thingy" dataChanged="Alert.show('hi mom');"/>
> >> > <mx:Label text={thingy.data}"/>
> >> >
> >> > I can't seem to meet both of these requirements without throwing two
> >> > separate events. Is this what I should expect?
> >> >
> >> > When I do this:
> >> >
> >> > [Event(name="dataChanged")]
> >> > public class MyClass {
> >> >
> >> > [Bindable(name="dataChanged")]
> >> > public function set data(data:Object):void {
> >> > this._data = data;
> >> > dispatchEvent( new Event("dataChanged") );
> >> >
> >> > ..then the data binding doesn't work. (The label text doesn't get
> >> > updated.) It seems I have to resort to vanilla data binding (with
> >> no
> >> > event name), and in addition throw a 'dataChanged' event of my own.
> >> >
> >> > [Event(name="dataChanged")]
> >> > public class MyClass {
> >> >
> >> > [Bindable]
> >> > public function set data(data:Object):void {
> >> > this._data = data;
> >> > dispatchEvent( new Event("dataChanged") );
> >> >
> >> > Am I missing something?
> >>
> >> When Flex comes back to look at your data because you fired the
> >> event, it can't get it because you made it write only by only
> >> providing a setter and not a getter.
> >>
> >> HTH;
> >>
> >> Amy
> >>
> >
> >
>
>
