org.eclipse.nebula.visualization.internal.xygraph.undo

Class AxisPanOrZoomCommand

java.lang.Object

org.eclipse.nebula.visualization.internal.xygraph.undo.SaveStateCommand

org.eclipse.nebula.visualization.internal.xygraph.undo.AxisPanOrZoomCommand

All Implemented Interfaces:

IUndoableCommand

public class AxisPanOrZoomCommand
extends SaveStateCommand

The undo command for panning or zooming one axis.

Constructor Summary

Constructors

Constructor and Description
AxisPanOrZoomCommand(java.lang.String name, Axis axis)

Method Summary

Modifier and Type	Method and Description
void	redo() Restore the state of the target to the state after this command has been executed.
void	saveState() Derived class should implement this to save the 'final' state.
void	undo() Restore the state of the target to the state before this command has been executed.

Methods inherited from class org.eclipse.nebula.visualization.internal.xygraph.undo.SaveStateCommand

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AxisPanOrZoomCommand

public AxisPanOrZoomCommand(java.lang.String name,
                            Axis axis)

Method Detail

redo

public void redo()

Description copied from interface: IUndoableCommand

Restore the state of the target to the state after this command has been executed.

undo

public void undo()

Description copied from interface: IUndoableCommand

Restore the state of the target to the state before this command has been executed.

saveState

public void saveState()

Description copied from class: SaveStateCommand

Derived class should implement this to save the 'final' state. Might be called multiple times to save intermediate states, and the state saved on the last call would be the 'redo' state.

Specified by:

saveState in class SaveStateCommand