Eclipse Platform
Release 3.1

org.eclipse.ltk.core.refactoring
Interface IUndoManagerListener

All Known Implementing Classes:
UndoManagerAdapter

public interface IUndoManagerListener

Listener to monitor state changes of an IUndoManager.

Clients may implement this interface to listen to undo manger changes.

Since:
3.0

Method Summary
 void aboutToPerformChange(IUndoManager manager, Change change)
          This method gets called by the undo manager if a change gets executed in the context of the undo manager.
 void changePerformed(IUndoManager manager, Change change)
          This method gets called by the undo manager when a change has been executed in the context of the undo manager.
 void redoStackChanged(IUndoManager manager)
          This method is called by the undo manager if the redo stack has changed (for example a redo object got added or the redo stack got flushed).
 void undoStackChanged(IUndoManager manager)
          This method is called by the undo manager if the undo stack has changed (for example a undo object got added or the undo stack got flushed).
 

Method Detail

undoStackChanged

public void undoStackChanged(IUndoManager manager)
This method is called by the undo manager if the undo stack has changed (for example a undo object got added or the undo stack got flushed).

Parameters:
manager - the manager this listener is registered to

redoStackChanged

public void redoStackChanged(IUndoManager manager)
This method is called by the undo manager if the redo stack has changed (for example a redo object got added or the redo stack got flushed).

Parameters:
manager - the manager this listener is registered to

aboutToPerformChange

public void aboutToPerformChange(IUndoManager manager,
                                 Change change)
This method gets called by the undo manager if a change gets executed in the context of the undo manager.

Parameters:
manager - the manager this listener is registered to
change - the change to be executed

changePerformed

public void changePerformed(IUndoManager manager,
                            Change change)
This method gets called by the undo manager when a change has been executed in the context of the undo manager.

Parameters:
manager - the manager this listener is registered to
change - the change that has been executed

Eclipse Platform
Release 3.1

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