/// <summary>
/// 添加可撤消的动作
/// </summary>
/// <param name="p_action"></param>
public void RecordAction(HistoryCmdAction p_action)
{
if (_undoStack.Count > _depth)
{
_undoStack.Pop();
}
_undoStack.Push(p_action);
_redoStack.Clear();
if (_undoStack.Count == 1 && DirtyChanged != null)
{
DirtyChanged(this, true);
}
}
/// <summary>
/// 执行重做操作
/// </summary>
public void Redo()
{
if (CanRedo)
{
HistoryCmdAction action = _redoStack.Pop();
action.Redo();
if (_undoStack.Count < _depth)
{
_undoStack.Push(action);
}
if (_undoStack.Count == 1 && DirtyChanged != null)
{
DirtyChanged(this, true);
}
}
else
{
Kit.Msg("无操作可重做！");
}
}
/// <summary>
/// 执行撤消操作
/// </summary>
public void Undo()
{
if (CanUndo)
{
HistoryCmdAction action = _undoStack.Pop();
action.Undo();
if (_redoStack.Count < _depth)
{
_redoStack.Push(action);
}
if (_undoStack.Count == 0 && DirtyChanged != null)
{
DirtyChanged(this, false);
}
}
else
{
Kit.Msg("没有可撤消的操作！");
}
}