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| Re: How can I refresh the diagram when properties change, that aer shown as labels in the diagram [message #75828 is a reply to message #75776] |
Wed, 08 November 2006 10:11  |
Eclipse User |
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Hi Cherie,
thanks for your answer.
My label already exists in the diagram, but I think I don't have a
special Label EditPart. The Label I am talking about is just an
org.eclipse.draw2d.Label Label which is added to the figure of the
connectionEditPart (outgoing edge) in the constructor.
I will try to use the handleNotificationEvent()-method of the
connectionEditPart, maybe I can modify the Label in this way.
I will keep you informed when I'm stuck again.
Thanks Alex Haag
Cherie Revells wrote:
> Alex,
>
> Are you trying to update what is displayed on labels that already exist
> on the diagram or are you trying to create new labels on the diagram
> when the properties change?
>
> If the labels already exist, then you just need to override the method
> handleNotificationEvent(Notification evt) in your label editpart to
> refresh the text in the label when the relevant property changes. Take
> a look at the code in LEDEditPart.handleNotificationEvent(Notification
> evt) for an example. Whenever the LED value changes it updates the
> number displayed inside the LED.
>
> Regards,
> Cherie
>
> Alex Haag wrote:
>> Hi,
>>
>> I've got a GMF-generated graphical Editor that shows Properties of a
>> node (which define branch-conditions) as labels on its outgoing edges
>> (connections to other nodes).
>> Displaying them is not the problem, but when I change the Properties
>> in the Properties-view I want to update the diagram, so that the new
>> condition-values are shown as labels.
>>
>> Does anyone know how I can obtain such behaviour?
>> I read some former posts
>> (news://news.eclipse.org:119/ecrrat$5h6$1@utils.eclipse.org), but i
>> didn't get to their point.
>>
>> Thanks for any help in this manner
>>
>> Greets Alex Haag
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