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org.eclipse.gef.ui.actions
Class UndoAction

java.lang.Object
  

org.eclipse.gef.ui.actions.WorkbenchPartAction
      

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

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public class UndoAction

extends StackAction

An action to undo the last command.

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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.

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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()

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init

protected void init()

Initializes this action's text and images.

Overrides:

init in class WorkbenchPartAction

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refresh

protected void refresh()

Refreshes this action's text to use the last executed command's label.

Overrides:

refresh in class WorkbenchPartAction

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run

public void run()

Undoes the last command.

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