public HistoryManager()
{
savedPoint = null;
acceptNew = true;
forceNoSave = false;
RecalculateValues();
}
public HistoryManager()
{
history = new Stack <IHistoryAction>();
future = new Stack <IHistoryAction>();
savedPoint = null;
acceptNew = true;
RecalculateValues();
}
/// <summary>Add new action to the history. Clears the Redo list.</summary>
public void Add(IHistoryAction action)
{
if (!IsOn)
{
return;
}
undo.Push(action);
redo.Clear();
}
protected void PushAction(IHistoryAction action)
{
if (inBulkEditing)
{
bulkEditing.Add(action);
}
else
{
ActionPush(this, action);
}
}
private void OnAction(IHistoryAction action)
{
if (action is DatabaseFieldWithKeyHistoryAction fieldChanged)
{
if (!fieldChanged.Key.IsPhantomKey && keys.Contains(fieldChanged.Property))
{
return;
}
}
PushAction(action);
}
/// <summary>
/// ���X�g�ɃA�N�V������lj�����B
/// �J�[�\���̌��݈ʒu�����ɂ���A�N�V������
/// �폜�����B
/// </summary>
/// <param name="action">�lj�����A�N�V����</param>
public void add(IHistoryAction action)
{
//�擪����J�[�\���ʒu�܂ł̃A�N�V������
//�S�č폜����
for(Int32 i = _pos; i > 0; i--)
{
_list.RemoveAt(0);
}
_pos = 0;
_list.Insert(0, action);
}
/// <summary>Redo an action. Calls IHistoryAction.Do().</summary>
/// <remarks>Does nothing if there is no action to redo.</remarks>
public void Redo()
{
if (redo.Count == 0)
{
return;
}
IHistoryAction action = redo.Pop();
undo.Push(action);
action.Do();
}
/// <summary>Undo an action. Calls IHistoryAction.Undo().</summary>
/// <remarks>Does nothing if there is no action to undo.</remarks>
public void Undo()
{
if (undo.Count == 0)
{
return;
}
IHistoryAction action = undo.Pop();
redo.Push(action);
action.Undo();
}
public virtual IHistoryAction <TAction, TSender, TState> Redo()
{
if (_undoneActions.Count > 0)
{
_liveActions.Push(_undoneActions.Pop());
var top = _undoneActions.Peek();
top.RedoAction?.Invoke(top, _currentAction);
RedoOccured?.Invoke(this, top);
ActionOccured?.Invoke(this, EventArgs.Empty);
_redoCommand.OnCanExecuteChanged();
_currentAction = top;
return(top);
}
return(null);
}
public void Redo()
{
if (_future.Count == 0)
{
throw new NothingToRedoException();
}
IHistoryAction action = _future.Pop();
_history.Push(action);
_acceptNew = false;
action.Redo();
_acceptNew = true;
CanUndo = true;
CanRedo = _future.Count > 0;
}
public void Undo()
{
if (_history.Count == 0)
{
throw new NothingToUndoException();
}
IHistoryAction action = _history.Pop();
_future.Push(action);
Past.RemoveAt(Past.Count - 1);
Future.Insert(0, action);
_acceptNew = false;
action.Undo();
_acceptNew = true;
CanUndo = _history.Count > 0;
CanRedo = true;
}
//public HistoryManager()
//{
//}
public virtual void PushHistoryAction(IHistoryAction <TAction, TSender, TState> action)
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
_liveActions.Push(action);
_currentAction = action;
if (ClearFrontActionsOnNewAction)
{
_undoneActions.Clear();
}
_undoCommand.OnCanExecuteChanged();
OnActionAdded(action);
}
public virtual void ClearHistory()
{
var keepRoot = _liveActions.Count > 0 && KeepRootOnClear;
var root = keepRoot
? _liveActions.LastOrDefault()
: null;
_liveActions.Clear();
_undoneActions.Clear();
if (keepRoot)
{
_liveActions.Push(root);
}
_undoCommand.OnCanExecuteChanged();
_redoCommand.OnCanExecuteChanged();
_currentAction = null;
}
public virtual IHistoryAction <TAction, TSender, TState> Undo()
{
var count = _liveActions.Count;
if (count > 1)
{
var pop = _liveActions.Pop();
if (!BackToActionOnUndo)
{
_undoneActions.Push(pop);
}
var top = _liveActions.Peek();
top.UndoAction?.Invoke(top, _currentAction);
UndoOccured?.Invoke(this, top);
ActionOccured?.Invoke(this, EventArgs.Empty);
_undoCommand.OnCanExecuteChanged();
_currentAction = top;
return(top);
}
return(null);
}
/// <summary>
/// �A���h�D�\�ȃA�N�V�����𗚗���X�g�ɒlj�����
/// </summary>
/// <param name="action">�A�N�V�����I�u�W�F�N�g</param>
public void addEdit(IHistoryAction action)
{
//��X�AbeginEdit()���Ă�Ă���Ԃ�joinedHistoryAction��
//������~�ς����悤�ɕύX����B
_historyList.add(action);
}
/// <summary>
/// Adds new history element at top of history stack, and drops reverse stack
/// </summary>
/// <param name="item">Item to add</param>
public void Push(IHistoryAction item)
{
_historyActions.PushFront(item);
_reverseActions.Clear();
}
protected virtual void OnActionAdded(IHistoryAction <TAction, TSender, TState> historyAction) => ActionAdded?.Invoke(this, historyAction);
private static void OnRegisterHistoryAction(IHistoryAction action)
{
Memento memento = _mementoOriginator.CreateMemento(action);
_caretaker.InsertMementoForUndoRedo(memento);
}
public Memento(IHistoryAction action)
{
Action = action;
}
public Memento CreateMemento(IHistoryAction action)
{
return(new Memento(action));
}
/// <summary>Add an action to the end of the ordered list.</summary>
public void Add(IHistoryAction action)
{
actions.Add(action);
}
protected void PushAction(IHistoryAction action)
{
ActionPush(this, action);
}