/// <summary>
/// Indicates that no amount of undoing/redoing will get the undo queue into a saved state
/// (This could occur, for example, if a file were modified outside the application.
/// </summary>
public void NeverSaved()
{
bool modified = Modified;
m_undoSaved = UndoAction.NeverSaved;
if (!modified)
{
ModifiedChanged.Execute();
}
}
/// <summary>
/// The associated file has been saved and so any existing items are effectively modifications from the saved state of the file if you undo them
/// </summary>
public void Saved()
{
bool modified = Modified;
m_undoSaved = m_undoActions.Count != 0 ? m_undoActions.Peek() : null;
if (modified)
{
ModifiedChanged.Execute();
}
}
public void Queue(UndoAction action)
{
bool modified = Modified;
m_redoActions.Clear();
m_undoActions.Push(action);
Changed.Execute();
Logger.Log(m_name + "changes.txt", "Action: " + action.LogDescription);
if (!modified)
{
ModifiedChanged.Execute();
}
}
public Element(UndoQueue queue, UndoAction action)
{
m_queue = queue;
Action = action;
}
public void Change(UndoAction actions)
{
Change(actions.Actions(), actions.Description);
}
public static SimpleUndoPair Actions(this UndoAction a)
{
return(new SimpleUndoPair {
Undo = a.Undo, Redo = a.Redo
});
}