Eclipse Plug-in Developer Guide (Galileo) - UndoActionHandler (Eclipse Platform API Specification)

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Eclipse Platform
Release 3.5

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org.eclipse.ui.operations
Class UndoActionHandler


java.lang.Object
  

org.eclipse.core.commands.common.EventManager
      

org.eclipse.jface.action.AbstractAction
          

org.eclipse.jface.action.Action
              

org.eclipse.ui.operations.OperationHistoryActionHandler
                  
org.eclipse.ui.operations.UndoActionHandler

All Implemented Interfaces:: IAdaptable, IAction, ActionFactory.IWorkbenchAction

public final class UndoActionHandler
extends OperationHistoryActionHandler
extends OperationHistoryActionHandler

UndoActionHandler provides common behavior for performing an undo, as well as labelling and enabling the undo menu item. This class may be instantiated by clients.

Since:: 3.1

Field Summary

Fields inherited from interface org.eclipse.jface.action. IAction

AS_CHECK_BOX, AS_DROP_DOWN_MENU, AS_PUSH_BUTTON, AS_RADIO_BUTTON, AS_UNSPECIFIED, CHECKED, DESCRIPTION, ENABLED, HANDLED, IMAGE, RESULT, TEXT, TOOL_TIP_TEXT

Constructor Summary

UndoActionHandler ( IWorkbenchPartSite site, IUndoContext context)
Construct an action handler that handles the labelling and enabling of the undo action for the specified undo context.

Method Summary

Methods inherited from class org.eclipse.ui.operations. OperationHistoryActionHandler

dispose, getAdapter, run, setContext, setPruneHistory, update

Methods inherited from class org.eclipse.jface.action. Action

convertAccelerator, convertAccelerator, findKeyCode, findKeyString, findModifier, findModifierString, getAccelerator, getActionDefinitionId, getDescription, getDisabledImageDescriptor, getHelpListener, getHoverImageDescriptor, getId, getImageDescriptor, getMenuCreator, getStyle, getText, getToolTipText, isChecked, isEnabled, isHandled, notifyResult, removeAcceleratorText, removeMnemonics, runWithEvent, setAccelerator, setActionDefinitionId, setChecked, setDescription, setDisabledImageDescriptor, setEnabled, setHelpListener, setHoverImageDescriptor, setId, setImageDescriptor, setMenuCreator, setText, setToolTipText

Methods inherited from class org.eclipse.jface.action. AbstractAction

addPropertyChangeListener, firePropertyChange, firePropertyChange, removePropertyChangeListener

Methods inherited from class org.eclipse.core.commands.common. EventManager

addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

Methods inherited from class java.lang. Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.jface.action. IAction

addPropertyChangeListener, getAccelerator, getActionDefinitionId, getDescription, getDisabledImageDescriptor, getHelpListener, getHoverImageDescriptor, getId, getImageDescriptor, getMenuCreator, getStyle, getText, getToolTipText, isChecked, isEnabled, isHandled, removePropertyChangeListener, runWithEvent, setAccelerator, setActionDefinitionId, setChecked, setDescription, setDisabledImageDescriptor, setEnabled, setHelpListener, setHoverImageDescriptor, setId, setImageDescriptor, setMenuCreator, setText, setToolTipText

Constructor Detail

UndoActionHandler

public UndoActionHandler(
IWorkbenchPartSite site,
                         
IUndoContext context)

Construct an action handler that handles the labelling and enabling of the undo action for the specified undo context.

Parameters:: site - the workbench part site that created the action.; context - the undo context to be used for the undo