public void AddOperation(IUndoRedoOperation operation)
{
if (operation == null)
{
return;
}
undoStack.Push(operation);
redoStack.Clear();
}
public void AddOperation(IUndoRedoOperation operation)
{
if (operation == null)
{
return;
}
undoStack.Push(operation);
redoStack.Clear();
AddUndoOperationEvent?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Call this method to redo the last undone operation
/// </summary>
public void Redo()
{
AssertNoUndoGroupOpen();
if (redostack.Count > 0)
{
IUndoRedoOperation uedit = (IUndoRedoOperation)redostack.Pop();
undostack.Push(uedit);
uedit.Redo();
OnActionRedone();
}
}
private void AddOperationToUndoStack(IUndoRedoOperation operation)
{
if (ActiveTransactionIdCount >= Constants.UndoRedoTransactionCapacity)
{
var transactionIdToRemove = UndoStack.First?.Value.TransactionId;
while (UndoStack.First?.Value.TransactionId == transactionIdToRemove)
{
UndoStack.RemoveFirst();
}
--ActiveTransactionIdCount;
}
UndoStack.AddLast(operation);
}
/// <summary>
/// Call this method to push an UndoableOperation on the undostack, the redostack
/// will be cleared, if you use this method.
/// </summary>
public void Push(IUndoRedoOperation operation)
{
if (operation == null)
{
throw new ArgumentNullException("operation");
}
if (AcceptChanges)
{
StartUndoGroup();
undostack.Push(operation);
actionCountInUndoGroup++;
if (TextEditorControl != null)
{
undostack.Push(new UndoRedoSetCaretPosition(this, TextEditorControl.Caret.Position));
actionCountInUndoGroup++;
}
EndUndoGroup();
ClearRedoStack();
}
}
public OperationEventArgs(IUndoRedoOperation op)
{
this.op = op;
}
public void AddOperationToRedoneOperations(IUndoRedoOperation undoRedoOperation)
{
RedoneOperations.Add(undoRedoOperation);
OnPropertyChanged(nameof(CanRedo));
}
