org.jhotdraw.standard
Class AlignCommand.UndoActivity

java.lang.Object
  org.jhotdraw.util.UndoableAdapter
      org.jhotdraw.standard.AlignCommand.UndoActivity

All Implemented Interfaces:

Undoable

Enclosing class:

AlignCommand

public static class AlignCommand.UndoActivity
extends UndoableAdapter

Field Summary

private AlignCommand.Alignment	myAppliedAlignment
private java.util.Hashtable	myOriginalPoints

Constructor Summary

AlignCommand.UndoActivity(DrawingView newView, AlignCommand.Alignment newAlignment)

Method Summary

protected void	addOriginalPoint(Figure f)
void	alignAffectedFigures(AlignCommand.Alignment applyAlignment)
AlignCommand.Alignment	getAppliedAlignment()
java.awt.Point	getOriginalPoint(Figure f)
boolean	redo() Redo the activity
void	setAffectedFigures(FigureEnumeration fe)
protected void	setAppliedAlignment(AlignCommand.Alignment newAlignment)
boolean	undo() Undo the activity

Methods inherited from class org.jhotdraw.util.UndoableAdapter

duplicateAffectedFigures, getAffectedFigures, getAffectedFiguresCount, getAffectedFiguresReversed, getDrawingView, isRedoable, isUndoable, release, rememberFigures, setDrawingView, setRedoable, setUndoable

Methods inherited from class java.lang.Object

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

Field Detail

myOriginalPoints

private java.util.Hashtable myOriginalPoints

myAppliedAlignment

private AlignCommand.Alignment myAppliedAlignment

Constructor Detail

AlignCommand.UndoActivity

public AlignCommand.UndoActivity(DrawingView newView,
                                 AlignCommand.Alignment newAlignment)

Method Detail

undo

public boolean undo()

Description copied from class: UndoableAdapter

Undo the activity

Specified by:

undo in interface Undoable

Overrides:

undo in class UndoableAdapter

Returns:

true if the activity could be undone, false otherwise

redo

public boolean redo()

Description copied from class: UndoableAdapter

Redo the activity

Specified by:

redo in interface Undoable

Overrides:

redo in class UndoableAdapter

Returns:

true if the activity could be redone, false otherwise

setAppliedAlignment

protected void setAppliedAlignment(AlignCommand.Alignment newAlignment)

getAppliedAlignment

public AlignCommand.Alignment getAppliedAlignment()

addOriginalPoint

protected void addOriginalPoint(Figure f)

getOriginalPoint

public java.awt.Point getOriginalPoint(Figure f)

alignAffectedFigures

public void alignAffectedFigures(AlignCommand.Alignment applyAlignment)

setAffectedFigures

public void setAffectedFigures(FigureEnumeration fe)

Specified by:

setAffectedFigures in interface Undoable

Overrides:

setAffectedFigures in class UndoableAdapter