[news.eclipse.platform] Re: how to use databinding to bind dynamic data

[Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>]

WritableValue v = new WritableValue(Contact.class);
BeansObservable.observeDetailValue(v,"name");

v.setValue(new Contact());

So in fact this is a master-detail problem :-)

Tom

hao schrieb:
> Let me explain what I am trying to ask:
>
> For example, I have a model called Contact which has a name attribute. 
> The name field of the Contact is binded to a GUI text field called 
> nameText. When the GUI class is constructed, the following is called:
>
> private Contact contact;
> private Text nameText;
> private DataBindingContext bindingContext;
>
> ...
> //In constructor
>
>         IObservableValue contactNameObserveValue = 
> BeansObservables.observeValue(contact, "name");
>         IObservableValue nameTextTextObserveWidget = 
> SWTObservables.observeText(nameText, SWT.Modify);
>         bindingContext.bindValue(nameTextTextObserveWidget, 
> contactNameObserveValue, null, null);
>
>
> For some reason, during the operation of the application, the contact 
> object is replaced with a new contact object. (Not the property name of 
> the contact object is changed but contact object itself is changed.) How 
> could I rebind the newly created contact object to nameText object?
>
> thanks!


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Tom Schindl                                          JFace-Committer
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