ilog.views.hypergraph.undo

Class IlvManagerLayerEdit

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

ilog.views.hypergraph.undo.IlvManagerLayerEdit

All Implemented Interfaces:

IlvGraphicEdit, Serializable, UndoableEdit

public class IlvManagerLayerEdit
extends AbstractUndoableEdit
implements IlvGraphicEdit

An undoable edit that allows to undo changes of the layer of the graphic object as well as removing or inserting graphic objects into a manager. If can undo the following operations: IlvManager.addObject(ilog.views.IlvGraphic, int, boolean), IlvManager.removeObject(ilog.views.IlvGraphic, boolean), IlvManager.setLayer(ilog.views.IlvGraphic, int, boolean), IlvGrapher.makeNode(ilog.views.IlvGraphic), IlvGrapher.unmakeNode(ilog.views.IlvGraphic), IlvGrapher.addNode(ilog.views.IlvGraphic, boolean), IlvGrapher.addLink(ilog.views.IlvLinkImage, boolean), IlvGrapher.removeNode(ilog.views.IlvGraphic, boolean), IlvGrapher.removeLink(ilog.views.IlvLinkImage, boolean), IlvHyperGrapher.addHyperEdge(ilog.views.hypergraph.IlvHyperEdge, boolean), and IlvHyperGrapher.removeHyperEdge(ilog.views.hypergraph.IlvHyperEdge, boolean).

Since:

JViews 8.0

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

Constructors

Constructor and Description
IlvManagerLayerEdit(String name) Creates a new edit.

Method Summary

Modifier and Type	Method and Description
void	after(IlvGraphic g) Fill the edit with information about the status of the graphic object after it has changed.
void	before(IlvGraphic g) Fill the edit with information about the status of the graphic object before it has changed.
IlvGraphic	getObject() Returns the affected graphic object.
String	getPresentationName() Returns the presentation name of the edit.
boolean	isSignificant() Returns whether the edit is significant.
void	redo() Performs a redo.
void	redoImpl(IlvGraphic g) Performs an undo.
void	undo() Performs an undo.

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

addEdit, canRedo, canUndo, die, getRedoPresentationName, getUndoPresentationName, replaceEdit, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.swing.undo.UndoableEdit

addEdit, canRedo, canUndo, die, getRedoPresentationName, getUndoPresentationName, replaceEdit

Constructor Detail

IlvManagerLayerEdit

public IlvManagerLayerEdit(String name)

Creates a new edit.

Parameters:

name - The presentation name of the edit

Method Detail

before

public void before(IlvGraphic g)

Fill the edit with information about the status of the graphic object before it has changed.

Specified by:

before in interface IlvGraphicEdit

after

public void after(IlvGraphic g)

Fill the edit with information about the status of the graphic object after it has changed.

Specified by:

after in interface IlvGraphicEdit

getObject

public IlvGraphic getObject()

Returns the affected graphic object.

undo

public void undo()
          throws CannotUndoException

Performs an undo.

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class AbstractUndoableEdit

Throws:

CannotUndoException - if canUndo returns false

redo

public void redo()
          throws CannotRedoException

Performs a redo. It calls applyToObject on the graphic object passed to before(ilog.views.IlvGraphic) and then calls redoImpl(ilog.views.IlvGraphic).

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class AbstractUndoableEdit

Throws:

CannotRedoException - if canRedo returns false

redoImpl

public void redoImpl(IlvGraphic g)
              throws CannotRedoException

Performs an undo.

Throws:

CannotRedoException - if canRedo returns false

See Also:

AbstractUndoableEdit.canRedo()

isSignificant

public boolean isSignificant()

Returns whether the edit is significant. Returns false if nothing changed on the graphic object.

Specified by:

isSignificant in interface UndoableEdit

Overrides:

isSignificant in class AbstractUndoableEdit

getPresentationName

public String getPresentationName()

Returns the presentation name of the edit.

Specified by:

getPresentationName in interface UndoableEdit

Overrides:

getPresentationName in class AbstractUndoableEdit