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

Class XYGraphConfigCommand

java.lang.Object

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

All Implemented Interfaces:

IUndoableCommand

public class XYGraphConfigCommand
extends java.lang.Object
implements IUndoableCommand

The command for graph configuration.

Constructor Summary

Constructors

Constructor	Description
XYGraphConfigCommand(IXYGraph xyGraph)	Construct a graph configuration command
XYGraphConfigCommand(IXYGraph xyGraph, java.util.function.Supplier<? extends XYGraphMemento> mementoFactory)	Constructor with a XYGraphMemento Supplier

Method Summary

Modifier and Type	Method	Description
XYGraphMemento	getAfterXYGraphMemento()	Returns the after graph memento
XYGraphMemento	getPreviousXYGraphMemento()	Returns the previous graph memento
void	redo()	Restore the state of the target to the state after this command has been executed.
void	saveAfterStates()
void	savePreviousStates()
java.lang.String	toString()
void	undo()	Restore the state of the target to the state before this command has been executed.

Methods inherited from class java.lang.Object

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

Constructor Details

XYGraphConfigCommand

public XYGraphConfigCommand(IXYGraph xyGraph)

Construct a graph configuration command

Parameters:

xyGraph -

XYGraphConfigCommand

public XYGraphConfigCommand(IXYGraph xyGraph, java.util.function.Supplier<? extends XYGraphMemento> mementoFactory)

Constructor with a XYGraphMemento Supplier

Parameters:

xyGraph -

mementoFactory - A supplier that creates a new XYGraphMemento on each call to the supplier's get method.

Method Details

redo

public void redo()

Description copied from interface: IUndoableCommand

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

Specified by:

redo in interface IUndoableCommand

undo

public void undo()

Description copied from interface: IUndoableCommand

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

Specified by:

undo in interface IUndoableCommand

savePreviousStates

public void savePreviousStates()

saveAfterStates

public void saveAfterStates()

getPreviousXYGraphMemento

public XYGraphMemento getPreviousXYGraphMemento()

Returns the previous graph memento

Returns:

previous graph memento

getAfterXYGraphMemento

public XYGraphMemento getAfterXYGraphMemento()

Returns the after graph memento

Returns:

after graph memento

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object