templates.diagram.actions
Class DiagramUndoableEdits.MovedSelectionEdit

java.lang.Object
  javax.swing.undo.AbstractUndoableEdit
      templates.diagram.actions.AbstractDiagramUndoableEdit
          templates.diagram.actions.DiagramUndoableEdits.MovedSelectionEdit

All Implemented Interfaces:

java.io.Serializable, javax.swing.undo.UndoableEdit

Enclosing class:

DiagramUndoableEdits

public static class DiagramUndoableEdits.MovedSelectionEdit
extends AbstractDiagramUndoableEdit

Edit which does and undoes the relocation of DiagramElements in a TemplateDiagram.

Author:

Lenko Grigorov

See Also:

Serialized Form

Field Summary

protected java.awt.Point	delta The displacement of the relocation.
protected TemplateDiagram	diagram The TemplateDiagram which contains the DiagramElement s to be relocated.
protected java.util.Collection<DiagramElement>	selection The DiagramElements to be relocated.

Fields inherited from class templates.diagram.actions.AbstractDiagramUndoableEdit

usePluralDescription

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

DiagramUndoableEdits.MovedSelectionEdit(TemplateDiagram diagram, java.util.Collection<DiagramElement> selection, java.awt.Point delta)
Constructs an edit with the given parameters.

Method Summary

boolean	canRedo()
boolean	canUndo()
java.lang.String	getPresentationName() Returns the name that should be displayed besides the Undo/Redo menu items, so the user knows which action will be undone/redone.
void	redo() Has to be called once after the instantiation of the edit, in order to enact it.
void	undo()

Methods inherited from class templates.diagram.actions.AbstractDiagramUndoableEdit

setLastOfMultiple

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

addEdit, die, getRedoPresentationName, getUndoPresentationName, isSignificant, replaceEdit, toString

Methods inherited from class java.lang.Object

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

Field Detail

diagram

protected TemplateDiagram diagram

The TemplateDiagram which contains the DiagramElement s to be relocated.

delta

protected java.awt.Point delta

The displacement of the relocation.

selection

protected java.util.Collection<DiagramElement> selection

The DiagramElements to be relocated.

Constructor Detail

DiagramUndoableEdits.MovedSelectionEdit

public DiagramUndoableEdits.MovedSelectionEdit(TemplateDiagram diagram,
                                               java.util.Collection<DiagramElement> selection,
                                               java.awt.Point delta)

Constructs an edit with the given parameters.

Parameters:

diagram - the TemplateDiagram which contains the DiagramElements to be relocated

selection - the DiagramElements to be relocated

delta - the displacement of the relocation

Method Detail

redo

public void redo()
          throws javax.swing.undo.CannotRedoException

Has to be called once after the instantiation of the edit, in order to enact it.

Specified by:

redo in interface javax.swing.undo.UndoableEdit

Overrides:

redo in class javax.swing.undo.AbstractUndoableEdit

Throws:

javax.swing.undo.CannotRedoException

undo

public void undo()
          throws javax.swing.undo.CannotUndoException

Specified by:

undo in interface javax.swing.undo.UndoableEdit

Overrides:

undo in class javax.swing.undo.AbstractUndoableEdit

Throws:

javax.swing.undo.CannotUndoException

canUndo

public boolean canUndo()

Specified by:

canUndo in interface javax.swing.undo.UndoableEdit

Overrides:

canUndo in class javax.swing.undo.AbstractUndoableEdit

canRedo

public boolean canRedo()

Specified by:

canRedo in interface javax.swing.undo.UndoableEdit

Overrides:

canRedo in class javax.swing.undo.AbstractUndoableEdit

getPresentationName

public java.lang.String getPresentationName()

Returns the name that should be displayed besides the Undo/Redo menu items, so the user knows which action will be undone/redone.

Specified by:

getPresentationName in interface javax.swing.undo.UndoableEdit

Overrides:

getPresentationName in class javax.swing.undo.AbstractUndoableEdit