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Eclipse Platform
Release 3.5

org.eclipse.core.commands
Interface IHandler2

All Superinterfaces:
IHandler
All Known Implementing Classes:
AbstractHandler, AbstractHandler, AbstractHandlerWithState, ActionHandler, ActionHandler, CollapseAllHandler, FileBufferOperationHandler, MarkerViewHandler, MergeActionHandler, NewPropertySheetHandler, ShowPerspectiveHandler, ShowViewHandler

public interface IHandler2
extends IHandler

Extend the IHandler interface to provide some context for isEnabled() requests. Clients should use AbstractHandler unless they need to provide their own listener mechanism.

Since:
3.4
See Also:
AbstractHandler

Method Summary
 void setEnabled ( Object evaluationContext)
          Called by the framework to allow the handler to update its enabled state.
 
Methods inherited from interface org.eclipse.core.commands. IHandler
addHandlerListener, dispose, execute, isEnabled, isHandled, removeHandlerListener
 

Method Detail

setEnabled

void setEnabled(
Object evaluationContext)
Called by the framework to allow the handler to update its enabled state.

Parameters:
evaluationContext - the state to evaluate against. May be null which indicates that the handler can query whatever model that is necessary. This context must not be cached.

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire