public void Undo(UndoStack stack)
{
Debug.Assert(stack.state == UndoStack.StatePlayback);
stack.RegisterAffectedDocument(document);
stack.state = UndoStack.StatePlaybackModifyDocument;
this.Undo();
stack.state = UndoStack.StatePlayback;
}
/// <summary>
/// Create a new text document with the specified initial text.
/// </summary>
public TextDocument(IEnumerable<char> initialText)
{
if (initialText == null)
throw new ArgumentNullException("initialText");
rope = new Rope<char>(initialText);
lineTree = new DocumentLineTree(this);
lineManager = new LineManager(lineTree, this);
lineTrackers.CollectionChanged += delegate {
lineManager.UpdateListOfLineTrackers();
};
anchorTree = new TextAnchorTree(this);
undoStack = new UndoStack();
FireChangeEvents();
}
public void Undo(UndoStack stack)
{
for (int i = 0; i < undolist.Length; ++i) {
stack.RunUndo(undolist[i]);
}
}
public void Redo(UndoStack stack)
{
for (int i = undolist.Length - 1; i >= 0; --i) {
stack.RunRedo(undolist[i]);
}
}