templates.diagram.actions
Class DiagramUndoableEdits.AddLinkEdit

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

All Implemented Interfaces:

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

Enclosing class:

DiagramUndoableEdits

public static class DiagramUndoableEdits.AddLinkEdit
extends AbstractDiagramUndoableEdit

Edit which does and undoes the addition of a TemplateLink between two events from the TemplateComponents linked by a Connector.

Author:

Lenko Grigorov

See Also:

Serialized Form

Field Summary

protected Connector	connector The Connector to which the TemplateLink should be added.
protected TemplateDiagram	diagram The TemplateDiagram which contains the Connector to which the TemplateLink should be added.
protected java.lang.String	leftEvent The event (from the "left" TemplateComponent) which has to be linked.
protected TemplateLink	link Holds the new TemplateLink once it is created.
protected java.lang.String	rightEvent The event (from the "right" TemplateComponent) which has to be linked.

Fields inherited from class templates.diagram.actions.AbstractDiagramUndoableEdit

usePluralDescription

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

DiagramUndoableEdits.AddLinkEdit(TemplateDiagram diagram, Connector connector, java.lang.String leftEvent, java.lang.String rightEvent)
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 Connector to which the TemplateLink should be added.

connector

protected Connector connector

The Connector to which the TemplateLink should be added.

leftEvent

protected java.lang.String leftEvent

The event (from the "left" TemplateComponent) which has to be linked.

A connector is symmetric. "Left" and "right" are used only to enable addressing the two linked components separately.

rightEvent

protected java.lang.String rightEvent

The event (from the "right" TemplateComponent) which has to be linked.

A connector is symmetric. "Left" and "right" are used only to enable addressing the two linked components separately.

link

protected TemplateLink link

Holds the new TemplateLink once it is created.

Constructor Detail

DiagramUndoableEdits.AddLinkEdit

public DiagramUndoableEdits.AddLinkEdit(TemplateDiagram diagram,
                                        Connector connector,
                                        java.lang.String leftEvent,
                                        java.lang.String rightEvent)

Constructs an edit with the given parameters.

A connector is symmetric. "Left" and "right" are used only to enable addressing the two linked components separately.

Parameters:

diagram - the TemplateDiagram which contains the Connector to which the TemplateLink should be added

connector - the Connector to which the TemplateLink should be added

leftEvent - the event (from the "left" TemplateComponent) which has to be linked

rightEvent - the event (from the "right" TemplateComponent) which has to be linked

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