public void Redo(bool reference)
{
try {
if (CanRedo())
{
_index++;
UndoData data = _undoDataArray[_index];
restoreBehavior(data.Behavior, true);
if (ModifyNodeHandler != null)
{
ModifyNodeHandler(_behavior, reference);
}
if (!checkDirty(_index))
{
_behavior.TriggerWasSaved();
}
else
{
_behavior.TriggerWasModified(_behavior as Nodes.Node);
}
}
else
{
_index = _undoDataArray.Count - 1;
}
} catch (Exception) {
}
}
public void Redo(bool reference)
{
try
{
if (CanRedo())
{
_index++;
UndoData data = _undoDataArray[_index];
if (!checkBehaviorModification(data, false))
{
return;
}
int referCount = 0;
if (data.ReferencedBehavior1 != null && data.ReferencedBehavior1 != _behavior)
{
referCount++;
UndoManager.Redo(data.ReferencedBehavior1.Filename, true);
}
if (data.ReferencedBehavior2 != null && data.ReferencedBehavior2 != data.ReferencedBehavior1 && data.ReferencedBehavior2 != _behavior)
{
referCount++;
UndoManager.Redo(data.ReferencedBehavior2.Filename, true);
}
if (referCount < 2)
{
restoreBehavior(data.Behavior, referCount == 0);
}
if (ModifyNodeHandler != null)
{
ModifyNodeHandler(_behavior, reference);
}
if (!checkDirty(_index))
{
_behavior.TriggerWasSaved();
}
else
{
_behavior.IsModified = true;
}
}
else
{
_index = _undoDataArray.Count - 1;
}
}
catch (Exception)
{
}
}
private bool checkBehaviorModification(UndoData data, bool undo)
{
bool check = true;
if (data.ReferencedBehavior1 != null && data.ReferencedBehavior1 != _behavior)
{
check &= checkBehaviorModification(data.ReferencedBehavior1.Filename, undo);
}
if (data.ReferencedBehavior2 != null && data.ReferencedBehavior2 != data.ReferencedBehavior1 && data.ReferencedBehavior2 != _behavior)
{
check &= checkBehaviorModification(data.ReferencedBehavior2.Filename, undo);
}
return(check);
}
private bool checkDirty(int currentIndex)
{
if (_lastSaveIndex > currentIndex)
{
return(true);
}
int startIndex = _lastSaveIndex > 0 ? _lastSaveIndex + 1 : 1;
for (int i = startIndex; i <= currentIndex; ++i)
{
UndoData data = _undoDataArray[i];
if ((data.ReferencedBehavior1 == null || data.ReferencedBehavior1 == _behavior) &&
(data.ReferencedBehavior2 == null || data.ReferencedBehavior2 == _behavior))
{
return(true);
}
}
return(false);
}
private bool checkBehaviorModification(UndoData data, bool undo)
{
bool check = true;
if (data.ReferencedBehavior1 != null && data.ReferencedBehavior1 != _behavior)
check &= checkBehaviorModification(data.ReferencedBehavior1.Filename, undo);
if (data.ReferencedBehavior2 != null && data.ReferencedBehavior2 != data.ReferencedBehavior1 && data.ReferencedBehavior2 != _behavior)
check &= checkBehaviorModification(data.ReferencedBehavior2.Filename, undo);
return check;
}