public void AddUndoState(BTUndoState undoState)
{
if (m_isOpen && m_content.Count < MAX_UNDO_STEPS)
{
m_content.Add(undoState);
}
}
public static void RegisterUndo(BTUndoState undoState)
{
if (undoState != null && undoState.CanUndo)
{
if (m_undoStack.Count > 0)
{
BTUndoGroup topGroup = m_undoStack.Peek() as BTUndoGroup;
if (topGroup != null && topGroup.IsOpen)
{
topGroup.AddUndoState(undoState);
m_redoStack.Clear();
return;
}
}
m_undoStack.Push(undoState);
m_redoStack.Clear();
}
}
public static void Undo()
{
if (m_undoStack.Count > 0)
{
BTUndoState undoState = m_undoStack.Pop();
if (undoState.CanUndo)
{
undoState.Undo();
if (undoState.CanRedo)
{
m_redoStack.Push(undoState);
}
}
while (m_undoStack.Count > 0 && !m_undoStack.Peek().CanUndo)
{
m_undoStack.Pop();
}
}
}
public static GenericMenu CreateGraphContextMenu(BTEditorGraph graph)
{
GenericMenu menu = new GenericMenu();
if (BTUndoSystem.CanUndo && !graph.ReadOnly)
{
BTUndoState topUndo = BTUndoSystem.PeekUndo();
menu.AddItem(new GUIContent(string.Format("Undo \"{0}\"", topUndo.Title)), false, () => BTUndoSystem.Undo());
}
else
{
menu.AddDisabledItem(new GUIContent("Undo"));
}
if (BTUndoSystem.CanRedo && !graph.ReadOnly)
{
BTUndoState topRedo = BTUndoSystem.PeekRedo();
menu.AddItem(new GUIContent(string.Format("Redo \"{0}\"", topRedo.Title)), false, () => BTUndoSystem.Redo());
}
else
{
menu.AddDisabledItem(new GUIContent("Redo"));
}
menu.AddSeparator("");
if (!graph.ReadOnly)
{
menu.AddItem(new GUIContent("Select All"), false, () => graph.SelectEntireGraph());
}
else
{
menu.AddDisabledItem(new GUIContent("Select All"));
}
menu.AddItem(new GUIContent("Delete All Breakpoints"), false, () => graph.DeleteAllBreakpoints());
return(menu);
}