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How to disable/hide a menu item [message #666413]

Wed, 20 April 2011 11:26

Aivar Annamaa

Messages: 32
Registered: July 2009

Member

Id like to disable (or hide) a menu item of my plugin if program is in certain state. I tried implementing "isEnabled" in respective command's handler -- this would restrict executing the command (a message pops up saying "the chosen operation is not enabled") but the menu item is neither hidden nor disabled until it's clicked once.

I tried setting "checkEnabled"=true in menu definition under visibleWhen in plugin.xml, but it didn't help

I really hope it's possible to do it without using a MenuItemStateProviderNotifierService Smile

[Updated on: Wed, 20 April 2011 11:45]

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Re: How to disable/hide a menu item [message #666478 is a reply to message #666413]

Wed, 20 April 2011 13:58

Paul Webster

Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

You use org.eclipse.ui.menus and a visibleWhen clause on your command
menu item.

PW

--
Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Platform_Expression_Framework
http://wiki.eclipse.org/Menu_Contributions
http://wiki.eclipse.org/Menus_Extension_Mapping
http://help.eclipse.org/helios/index.jsp?topic=/org.eclipse. platform.doc.isv/guide/workbench.htm

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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Re: How to disable/hide a menu item [message #667026 is a reply to message #666478]

Tue, 26 April 2011 14:39

Aivar Annamaa

Messages: 32
Registered: July 2009

Member

I finally got my thing working (by using a custom PropertyTester). But I was not able to use "visibleWhen" without any children and checkEnabled=true -- according to documentation it should delegate decision to command's (or command handler's?) "isEnabled", but it didn't work like that.

[Updated on: Tue, 26 April 2011 14:39]

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