Hey matttai, did you find a good solution for your issue? I'm trying
to do something similar and have not had much luck. Observer pattern
would seem to be the way to go - "In theory there is no difference
between theory and practice. In practice there is.";)
On Apr 6, 10:12 pm, matttai <matt...@hotmail.com> wrote:
> Ah that works only if the widget isnestedin 1 object (eg. direct
> parent).
> The widget is dynamically added to various objects and can benested
> at different levels.
>
> Currently i am using a VERY dodge way of this.getParent().getParent
> ().getParent().getParent().doSomething(); :)
> And in that doSomething() it would have something like.
>
> doSomething()
> {
> widget.someOtherwidget.widget1.widget2.widget3.widget4.doStuff();
>
> }
>
> I am sure there is a better way to do this. Gregor's suggestion of an
> observer pattern sounds about right.
> Although there doesnt seem to be that much information that comes up
> around implementing patterns in google when dealing with events in
> objects unless you specifically look for it.
>
> I'll have a search and come back here if i still have issues.
>
> On Apr 7, 1:11 am, Jason Essington <jason.essing...@gmail.com> wrote:
>
> > the easiest way is to create a click handler that holds a reference to
> > the parent
>
> > the simplest form would look something like:
>
> > myWidget.addClickHandler(new ClickHandler(){
> > public void onClick(ClickEventevent){
> > parent.doSomething();
> > }
>
> > });
>
> > no need to do any sink/unsink mucking about.
>
> > -jason
>
> > On Apr 4, 2009, at 8:51 PM, matttai wrote:
>
> > > As per the title :)
>
> > > How to get internal widget to notify its parent widget when clicked
> > > (and have the parent execute something)?
>
> > > I think it has something to do with sinking and unsinking events but I
> > > haven't been able to find a very good example of doing this.
>
> > > Any help would be appreciated!
>
>
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