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Eclipse GEF
3.3

org.eclipse.gef.ui.actions
Class UndoAction

java.lang.Object
  extended by

org.eclipse.gef.ui.actions.WorkbenchPartAction
      extended by

org.eclipse.gef.ui.actions.StackAction
          extended by
org.eclipse.gef.ui.actions.UndoAction

public class UndoAction
extends StackAction

An action to undo the last command.


Constructor Summary
UndoAction ( IEditorPart editor)
          Creates an UndoAction and associates it with the given editor.
UndoAction ( IWorkbenchPart part)
          Creates an UndoAction and associates it with the given editor.
 
Method Summary
protected  boolean calculateEnabled ()
          Calculates and returns the enabled state of this action.
protected  void init ()
          Initializes this action's text and images.
protected  void refresh ()
          Refreshes this action's text to use the last executed command's label.
 void run ()
          Undoes the last command.
 
Methods inherited from class org.eclipse.gef.ui.actions. StackAction
getLabelForCommand
 
Methods inherited from class org.eclipse.gef.ui.actions. WorkbenchPartAction
dispose, execute, getCommandStack, getWorkbenchPart, isEnabled, setLazyEnablementCalculation, setWorkbenchPart, update
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

UndoAction

public UndoAction(
IEditorPart editor)
Creates an UndoAction and associates it with the given editor.

Parameters:
editor - The editor this action is associated with.

UndoAction

public UndoAction(
IWorkbenchPart part)
Creates an UndoAction and associates it with the given editor.

Parameters:
part - The workbench part this action is associated with.
Method Detail

calculateEnabled

protected boolean calculateEnabled()
Description copied from class: WorkbenchPartAction
Calculates and returns the enabled state of this action.

Specified by:
calculateEnabled in class WorkbenchPartAction
Returns:
true if the action is enabled
See Also:
WorkbenchPartAction.calculateEnabled()

init

protected void init()
Initializes this action's text and images.

Overrides:
init in class WorkbenchPartAction

refresh

protected void refresh()
Refreshes this action's text to use the last executed command's label.

Overrides:
refresh in class WorkbenchPartAction

run

public void run()
Undoes the last command.


Eclipse GEF
3.3

Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.

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