Package org.eclipse.nebula.widgets.ganttchart.undoredo

Interface IUndoRedoListener

All Known Implementing Classes:

UndoRedoListenerAdapter

public interface IUndoRedoListener

Method Summary

Modifier and Type	Method	Description
void	canRedoChanged(boolean canRedo)	Notified when the undo/redo state has changed.
void	canUndoChanged(boolean canUndo)	Notified when the undo/redo state has changed.
void	commandRedone(IUndoRedoCommand command)	Notified when a redo has taken place.
void	commandUndone(IUndoRedoCommand command)	Notified when an undo has taken place.
void	undoableCommandAdded(IUndoRedoCommand command)	When a command is added to the stack that can be undone this is called.

Method Detail

canRedoChanged

void canRedoChanged(boolean canRedo)

Notified when the undo/redo state has changed.

Parameters:

canRedo - Whether it is possible to redo or not

canUndoChanged

void canUndoChanged(boolean canUndo)

Notified when the undo/redo state has changed.

Parameters:

canRedo - Whether it is possible to undo or not

undoableCommandAdded

void undoableCommandAdded(IUndoRedoCommand command)

When a command is added to the stack that can be undone this is called. DO NOT call undo() or redo() directly on this command, always go via the GanttUndoRedoManager.

Parameters:

command - Command added to stack

See Also:

GanttChart.getUndoRedoManager()

commandUndone

void commandUndone(IUndoRedoCommand command)

Notified when an undo has taken place.

Parameters:

command - Command that was undone

commandRedone

void commandRedone(IUndoRedoCommand command)

Notified when a redo has taken place.

Parameters:

command - Command that was redone