@Override
public boolean isGenerateMementos() {
// TODO: This shouldn't depend on the current project, but for now
// just make sure it's defined and that we have an undo manager
Project p = ProjectManager.getManager().getCurrentProject();
return super.isGenerateMementos() && p != null && p.getUndoManager() != null;
}
private ProjectActions() {
super();
undoAction =
new ActionUndo(
Translator.localize("action.undo"), ResourceLoaderWrapper.lookupIcon("Undo"));
undoAction.setEnabled(false);
redoAction =
new ActionRedo(
Translator.localize("action.redo"), ResourceLoaderWrapper.lookupIcon("Redo"));
redoAction.setEnabled(false);
TargetManager.getInstance().addTargetListener(this);
Project p = ProjectManager.getManager().getCurrentProject();
if (p != null) {
p.getUndoManager().addPropertyChangeListener(this);
}
}
/**
* @param memento the GEF memento
* @see org.tigris.gef.undo.UndoManager#addMemento(org.tigris.gef.undo.Memento)
*/
@Override
public void addMemento(final Memento memento) {
// TODO: This shouldn't be referencing the current project. Instead
// the appropriate UndoManager should have already been retrieved from
// the correct project.
Project p = ProjectManager.getManager().getCurrentProject();
if (p != null) {
org.argouml.kernel.UndoManager undo = p.getUndoManager();
if (undo != null) {
if (startChain) {
// TODO i18n: GEF needs to pass us back the description
// of what is being done.
undo.startInteraction("Diagram Interaction");
}
// TODO: I presume this would fix issue 5250 - but
// GEF would need to be adapted:
// if (!(memento instanceof SelectionMemento))
undo.addCommand(new DiagramCommand(memento));
startChain = false;
}
}
}