private void BeginCaptureUndo()
{
_historyCommand = new CompositeUndoableCommand();
DrawableUndoableCommand drawableUndoableCommand = new DrawableUndoableCommand(_imageBox);
_imageBoxCommand = new MemorableUndoableCommand(_imageBox);
_imageBoxCommand.BeginState = _imageBox.CreateMemento();
drawableUndoableCommand.Enqueue(_imageBoxCommand);
_historyCommand.Enqueue(drawableUndoableCommand);
}
private void EndCaptureUndo()
{
if (_imageBoxCommand != null)
{
_imageBoxCommand.EndState = _imageBox.CreateMemento();
if (!_imageBoxCommand.BeginState.Equals(_imageBoxCommand.EndState))
{
_historyCommand.Name = SR.CommandNameStackImageScroller;
_imageBox.ImageViewer.CommandHistory.AddCommand(_historyCommand);
}
}
_imageBoxCommand = null;
_historyCommand = null;
}
public CompositeCommandInfo(CompositeUndoableCommand command) : base(command)
{
_count = command.Count;
List <CommandInfo> commands = new List <CommandInfo>();
List <UndoableCommand> subcommands = _rfCommandsField.GetValue(command) as List <UndoableCommand>;
if (subcommands != null)
{
foreach (UndoableCommand subcommand in subcommands)
{
commands.Add(CreateCommandInfo(subcommand));
}
}
_commands = commands.AsReadOnly();
}
public void ShouldUnExecuteLayerSnapshotCommandsOnUnExecute()
{
TestableLayerSnapshotCommand layerSnapshotCommand = new TestableLayerSnapshotCommand();
TestableLayerSnapshotCommand anotherLayerSnapshotCommand = new TestableLayerSnapshotCommand();
CompositeUndoableCommand <LayerSnapshotCommand> command = new CompositeUndoableCommand <LayerSnapshotCommand>(new List <LayerSnapshotCommand> {
layerSnapshotCommand, anotherLayerSnapshotCommand
});
command.Execute();
command.UnExecute();
Assert.IsTrue(layerSnapshotCommand.UnExecuteCommandCalled);
Assert.IsTrue(anotherLayerSnapshotCommand.UnExecuteCommandCalled);
}
