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[commands] notify about property changes [message #481146]

Wed, 19 August 2009 18:22

Will Horn

Messages: 265
Registered: July 2009

Senior Member

Is there a way to notify the framework when a PropertyTester's property has
changed? In my particular case, I have a handler with an enabledWhen that
references the property:
<enabledWhen>
<with
variable="activePart">
<test
property="org.example.booleanProperty"
value="true">
</test>
</with>
</enabledWhen>

I'd like to refresh the enablement state as soon as the property value
changes. Right now, I have to refocus the view for the PropertyTester to be
invoked again.

Thanks,
Will

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Re: [commands] notify about property changes [message #481148 is a reply to message #481146]

Wed, 19 August 2009 18:50

Paul Webster

Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

You need org.eclipse.ui.services.IEvaluationService.requestEvaluation (String)

This will update evaluations for things like visibleWhen, enabledWhen, and activeWhen.

PW

Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions

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