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Focus Notification [message #535448]

Sun, 23 May 2010 17:00

Sebastian

Messages: 61
Registered: March 2010

Member

Hi,

please pardon me about this question, but how is a e4 view is to be notified about having focus?

I've seen the IFocusable interface in org.eclipse.e4.workbench.ui.behaviors, but how is the setFocus() method getting called ?
Do I need to implement my own IPartListener?

Sebastian

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Re: Focus Notification [message #535532 is a reply to message #535448]

Mon, 24 May 2010 09:34

Thomas Schindl

Messages: 6651
Registered: July 2009

Senior Member

Hi,

I think the IFocusable interface (Could you file a bug that we remove it
from the sources please) is a left over from 0.9. I think that there are
2 possibilities:

a) By registering an IPartListener on the EPartService
b) By getting the IServiceConstants.ACTIVE_PART injected into your
component and checking if the MPart passed is you.

I would have expected that one could also get this information by
subscribing to the EventBus but when looking at the implementation it
looks like this not supported there yet.

Tom

Am 23.05.10 19:00, schrieb Sebastian:
> Hi,
>
> please pardon me about this question, but how is a e4 view is to be
> notified about having focus?
>
> I've seen the IFocusable interface in
> org.eclipse.e4.workbench.ui.behaviors, but how is the setFocus() method
> getting called ?
> Do I need to implement my own IPartListener?
>
> Sebastian

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Re: Focus Notification [message #535610 is a reply to message #535532]

Mon, 24 May 2010 20:56

Sebastian

Messages: 61
Registered: March 2010

Member

)

Thinking of hundres of views getting any part injected just to see, if the injected part were theirselves sounds kind of odd to me.

Sebastian

PS Bug 314164

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Re: Focus Notification [message #576679 is a reply to message #535532]

Mon, 24 May 2010 20:56

Sebastian

Messages: 61
Registered: March 2010

Member

Hey Tom,

thanks for your advice.

Currently I like the IFocusable behavior, even though I need to associate the MPart with the class implementing the view abusing the setObject(), currently (everything's composite :))

Thinking of hundres of views getting any part injected just to see, if the injected part were theirselves sounds kind of odd to me.

Sebastian

PS https://bugs.eclipse.org/bugs/show_bug.cgi?id=314164

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