ptolemy.vergil.gt
Class GTFrameTools.ModelChangeRequest

java.lang.Object
  ptolemy.kernel.util.ChangeRequest
      ptolemy.vergil.gt.GTFrameTools.ModelChangeRequest

Enclosing class:

GTFrameTools

public static class GTFrameTools.ModelChangeRequest
extends ChangeRequest

Field Summary

private BasicGraphFrame	_frame
private CompositeEntity	_model
private CompositeEntity	_oldModel
private boolean	_undoable
private UndoAction	_undoAction

Constructor Summary

GTFrameTools.ModelChangeRequest(java.lang.Object originator, BasicGraphFrame frame, CompositeEntity model)

GTFrameTools.ModelChangeRequest(java.lang.Object originator, BasicGraphFrame frame, CompositeEntity model, UndoAction undoAction)

Method Summary

protected void	_execute() Execute the change.
void	setUndoable(boolean undoable)

Methods inherited from class ptolemy.kernel.util.ChangeRequest

addChangeListener, execute, getDescription, getLocality, getSource, isErrorReported, isPersistent, isStructuralChange, removeChangeListener, setDescription, setErrorReported, setListeners, setPersistent, waitForCompletion

Methods inherited from class java.lang.Object

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

Field Detail

_frame

private BasicGraphFrame _frame

_model

private CompositeEntity _model

_oldModel

private CompositeEntity _oldModel

_undoAction

private UndoAction _undoAction

_undoable

private boolean _undoable

Constructor Detail

GTFrameTools.ModelChangeRequest

public GTFrameTools.ModelChangeRequest(java.lang.Object originator,
                                       BasicGraphFrame frame,
                                       CompositeEntity model)

GTFrameTools.ModelChangeRequest

public GTFrameTools.ModelChangeRequest(java.lang.Object originator,
                                       BasicGraphFrame frame,
                                       CompositeEntity model,
                                       UndoAction undoAction)

Method Detail

setUndoable

public void setUndoable(boolean undoable)

_execute

protected void _execute()
                 throws java.lang.Exception

Description copied from class: ChangeRequest

Execute the change. Derived classes must implement this method. Any exception may be thrown if the change fails.

Specified by:

_execute in class ChangeRequest

Throws:

java.lang.Exception - If the change fails.