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How to disable MenuItems from Fragment [message #1745759]

Mon, 17 October 2016 09:11

Stefan Weiser

Messages: 55
Registered: February 2012

Member

Hello,

I would like to disable MenuItems from a fragment.e4xmi, which get initialized in the Application.e4xmi.

I tried to use a "Model Fragment", where I defined the "Extended Element ID" to my MenuItem, but there is no feature name for e.g. "enabled". I started to debug the model code but haven't found the solution till now. I googled for a solution, but couldn't find anything useful.

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Re: How to disable MenuItems from Fragment [message #1745828 is a reply to message #1745759]

Tue, 18 October 2016 06:13

Stefan Weiser

Messages: 55
Registered: February 2012

Member

As nobody seem to have a solution, I did it on my own:

- It is possible to redefine the whole MenuItem by reassigning the ID of the MenuItem. Then the old MenuItem is no longer displayed I the possition is also correct. Furthermore I can exchange the ContributionURI and assign a new implementation, when using DirectMenuItem.
- Another solution is not to define the enabled-status in the E4 model than controlling the behavior by the @CanExecute annotation. For the visibility I implemented my own annotation @Visible, which also works fine and uses the concept of e4. I wish that Eclipse would introduce such an annotation in the future, so I don't have to implement such things on my own.

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