templates.diagram.actions
Class DiagramUndoableEdits.CreateEntityEdit

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

All Implemented Interfaces:

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

Enclosing class:

DiagramUndoableEdits

public static class DiagramUndoableEdits.CreateEntityEdit
extends AbstractDiagramUndoableEdit

Edit which does and undoes the creation of an Entity in a TemplateDiagram.

Author:

Lenko Grigorov

See Also:

Serialized Form

Field Summary

protected TemplateDiagram	diagram The TemplateDiagram where the Entity should be created.
protected Entity	entity Holds the new Entity once it is created.
protected java.awt.Point	location The location where the Entity should be placed.

Fields inherited from class templates.diagram.actions.AbstractDiagramUndoableEdit

usePluralDescription

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

DiagramUndoableEdits.CreateEntityEdit(TemplateDiagram diagram, java.awt.Point location)
Constructs an edit with the given parameters.

Method Summary

boolean	canRedo()
boolean	canUndo()
Entity	getEntity() Retrieves the Entity created by the edit.
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 where the Entity should be created.

location

protected java.awt.Point location

The location where the Entity should be placed.

entity

protected Entity entity

Holds the new Entity once it is created.

Constructor Detail

DiagramUndoableEdits.CreateEntityEdit

public DiagramUndoableEdits.CreateEntityEdit(TemplateDiagram diagram,
                                             java.awt.Point location)

Constructs an edit with the given parameters.

Parameters:

diagram - the TemplateDiagram where the Entity should be created

location - the location where the Entity should be placed

Method Detail

getEntity

public Entity getEntity()

Retrieves the Entity created by the edit.

Returns:

the Entity created by the edit

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