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Home » Eclipse Projects » Rich Client Platform (RCP) » how to define enabledwhen of a self instantiated command ?
how to define enabledwhen of a self instantiated command ? [message #695153] Mon, 11 July 2011 06:14 Go to next message
heaad  is currently offline heaad Friend
Messages: 1
Registered: July 2011
Junior Member

I define a coolbar in my view using this code :

// define a CommandContributionItem
IWorkbenchWindow window = getSite().getWorkbenchWindow() ;
CommandContributionItemParameter p = new CommandContributionItemParameter(
window, "",

CommandContributionItem contributionItem = new CommandContributionItem( p );

// I define coolbar in my view
CoolBar coolBar = new CoolBar( coolBarContainer, SWT.FLAT );

final IToolBarManager toolbar = new ToolBarManager(SWT.FLAT | SWT.RIGHT);

// add my CommandContributionItem to the toolbar
toolbar.add( contributionItem ) ;

ToolBarContributionItem toolBarContributionItem = new ToolBarContributionItem( toolbar, "model") ;

toolBarContributionItem.fill(coolBar, 0) ;

In the same view ,there is a TreeViewer , the command should be enabled if and only if a certain type of node of the TreeViewer is selected.

how to define the enabledwhen of the command ?


[Updated on: Mon, 11 July 2011 06:18]

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Re: how to define enabledwhen of a self instantiated command ? [message #698069 is a reply to message #695153] Mon, 18 July 2011 17:58 Go to previous message
Paul Webster is currently offline Paul WebsterFriend
Messages: 6859
Registered: July 2009
Location: Ottawa
Senior Member

Where is your handler defined for that command? In the plugin.xml, it's org.eclipse.ui.handlers that defines an enabledWhen clause for a handler. If it was activated programmatically in your view, it's your handler that contols its enabled state.


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