public void Dispose()
{
currentTransaction?.Invalidate();
currentTransaction = null;
ClearRedo();
ClearUndo();
}
public void OnCompleted(TextUndoTransaction transaction) {
if (currentTransaction != transaction)
throw new InvalidOperationException();
currentTransaction = null;
undoList.Add(transaction);
UndoTransactionCompleted?.Invoke(this, new TextUndoTransactionCompletedEventArgs(transaction, TextUndoTransactionCompletionResult.TransactionAdded));
}
public void OnCanceled(TextUndoTransaction transaction)
{
if (currentTransaction != transaction)
{
throw new InvalidOperationException();
}
currentTransaction = null;
}
public void OnCompleted(TextUndoTransaction transaction)
{
if (currentTransaction != transaction)
{
throw new InvalidOperationException();
}
currentTransaction = null;
undoList.Add(transaction);
UndoTransactionCompleted?.Invoke(this, new TextUndoTransactionCompletedEventArgs(transaction, TextUndoTransactionCompletionResult.TransactionAdded));
}
public ITextUndoTransaction CreateTransaction(string description)
{
if (State != TextUndoHistoryState.Idle)
{
throw new InvalidOperationException();
}
if (description == null)
{
throw new ArgumentNullException(nameof(description));
}
if (currentTransaction != null)
{
throw new InvalidOperationException();
}
ClearRedo();
return(currentTransaction = new TextUndoTransaction(this, undoList.LastOrDefault(), description));
}
public ITextUndoTransaction CreateTransaction(string description) {
if (State != TextUndoHistoryState.Idle)
throw new InvalidOperationException();
if (description == null)
throw new ArgumentNullException(nameof(description));
if (currentTransaction != null)
throw new InvalidOperationException();
ClearRedo();
return currentTransaction = new TextUndoTransaction(this, undoList.LastOrDefault(), description);
}
public void OnCanceled(TextUndoTransaction transaction) {
if (currentTransaction != transaction)
throw new InvalidOperationException();
currentTransaction = null;
}
public void Dispose() {
currentTransaction?.Invalidate();
currentTransaction = null;
ClearRedo();
ClearUndo();
}
