[news.eclipse.platform] Re: Binding the attribute of a bean object wrapp

[Matthew Hall <matthall@xxxxxxxxxxxxxxxxx>]

That could be the problem. Try this:

IObservableValue bindedNameTextObserveWidget = 
SWTObservables.observeText(text, SWT.Modify);

Matthew

Ovidio Mallo wrote:
> Hi Hao,
>
> are you binding the "name" attribute to an SWT Text instance (and not
> a Label or so)? If so, SWTObservables#observeText(Control) is the wrong
> method as it does not apply to Text instances. Instead, you should use
> the method SWTObservables#observeText(Control, int). In the methods'
> JavaDoc you can see which controls are supported by the individual
> methods.
>
> However, using the wrong method above should result in an exception being
> thrown so maybe this is not your problem...
>
> Regards,
> Ovidio
>
> Hao wrote:
> > I have a java bean such as Contact which has attributes such as name, 
> > address, email. The object presented to my code is a Wrapped 
> > WritableValue object, i.e. IObservableValue. For instance,
> > IObservableValue contactObservable = new WritableValue(new Contact(), 
> > Contact.class);
> >
> > I tried to bind the name attributed of Contact bean wrapped in 
> > contactObservable to a text field. I did the following:
> >
> >         IObservableValue bindedNameTextObserveWidget = 
> > SWTObservables.observeText(text);
> >         IObservableValue selectedContactNameObserveDetailValue = 
> > BeansObservables.observeDetailValue(Realm.getDefault(), 
> > contactObservable, "name", java.lang.String.class);
> >
> >         bindingContext.bindValue(bindedNameTextObserveWidget, 
> > contactObservable, null, null);
> >
> > I did not get any error but this kind of binding does not work.
> >
> > Any one knows how to bind the attribute of a writableValue object to a 
> > gui field instead of binding the attribute of a java bean to a gui field.