private IStackedCommand GetUndoneCommand()
{
IStackedCommand topStackedCommandModel = modelUndoStack.Empty ? null : modelUndoStack.Peek();
IStackedCommand undoneCommand;
if (topStackedCommandModel != null)
{
undoneCommand = topStackedCommandModel;
}
else
{
throw new InvalidOperationException(CommandError.CMDERR_STACK_INCONSISTENT);
}
return(undoneCommand);
}
public void Execute(object parameter)
{
IStackedCommand undoneCommand = GetUndoneCommand();
undoneCommand.UnExecute();
if (undoneCommand is DiagramCommandBase)
{
ActivateDiagramCommand c = ActivateDiagramCommandFactory.Factory().Create(Controller) as ActivateDiagramCommand;
c.Set((undoneCommand as DiagramCommandBase).Controller.Diagram);
Debug.WriteLine("Changing active diagram due to Undo");
c.Execute();
}
if (undoneCommand is MacroCommand <DiagramController> )
{
ActivateDiagramCommand c = ActivateDiagramCommandFactory.Factory().Create(Controller) as ActivateDiagramCommand;
c.Set((undoneCommand as MacroCommand <DiagramController>).Controller.Diagram);
Debug.WriteLine("Changing active diagram due to Undo");
c.Execute();
}
if (UndoExecuted != null)
{
UndoExecuted(undoneCommand);
}
}
private void updateSelectionAfterCommand(IStackedCommand command)
{
updateSelectionAfterCommand((CommandBase)command);
}
void updateLayout(IStackedCommand command)
{
updateLayout();
}