Package org.eclipse.ui.operations

Class UndoRedoActionGroup

java.lang.Object

org.eclipse.ui.actions.ActionGroup

org.eclipse.ui.operations.UndoRedoActionGroup

public final class UndoRedoActionGroup
extends ActionGroup

UndoRedoActionGroup provides standard undo and redo action handlers for a workbench part site. It supports filtering of undo or redo on a particular undo context. The undo context can be optionally pruned, which means the context will be flushed actively whenever an invalid operation is found on top of its history. This class may be instantiated by clients.

Since:

3.1

Constructor Summary

Constructors

Constructor	Description
UndoRedoActionGroup(IWorkbenchPartSite site, IUndoContext undoContext, boolean pruneHistory)	Construct an undo redo action group for the specified workbench part site, using the specified undo context.

Method Summary

Modifier and Type	Method	Description
void	fillActionBars(IActionBars actionBars)	Adds the applicable actions to a part's action bars, including setting any global action handlers.

Methods inherited from class org.eclipse.ui.actions.ActionGroup

dispose, fillContextMenu, getContext, setContext, updateActionBars

Methods inherited from class java.lang.Object

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

Constructor Details

UndoRedoActionGroup

public UndoRedoActionGroup(IWorkbenchPartSite site,
 IUndoContext undoContext,
 boolean pruneHistory)

Construct an undo redo action group for the specified workbench part site, using the specified undo context.

Parameters:

site - the workbench part site that is creating the action group

undoContext - the undo context to be used for filtering the operation history

pruneHistory - a boolean that indicates whether the history for the specified context should be pruned whenever an invalid operation is encountered.

Method Details

fillActionBars

public void fillActionBars(IActionBars actionBars)

Description copied from class: ActionGroup

Adds the applicable actions to a part's action bars, including setting any global action handlers.

The default implementation does nothing. Subclasses may override or extend this method.

Overrides:

fillActionBars in class ActionGroup

Parameters:

actionBars - the part's action bars