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MToolControl.setVisible(true) changes not immediately reflected in status bar [message #1724538]

Wed, 24 February 2016 13:33

Andreas Sewe

Messages: 111
Registered: June 2013

Senior Member

Hi,

I have a Tool Control registered in a model fragment and contributed to the Eclipse IDE's status bar. Now, I want to show & hide the control depending on a preference. At the moment, I am using the following code:

    private MToolControl modelElement;

    @Inject
    public MyToolControl(MToolControl modelElement) {
        this.modelElement = modelElement;
    }

    @Inject
    public void setVisible(@Preference(PREF_VISIBLE) boolean visible) {
        modelElement.setVisible(visible);
    }

This does not quite work, yet, however: When I set PREF_VISIBLE to false, setVisible is called (as expected) and the tool control vanishes from the status bar. If I set PREF_VISIBLE to true again, setVisible is again called, but the UI does not change immediately. Instead, I have to switch focus from the workbench window and back again to case the UI to be updated.

I suspect I need to notify the framework about this model change somehow. What am I missing (and why am I not missing it when it comes to making my MToolControl invisible rather than visible)?

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