private void UnbindConnectionCallbacks(TransitionConnectionUI connection)
{
if (connection != null)
{
connection.OnCreatedTransition -= CreatedTransition;
connection.OnRemovedTransition -= RemovedTransition;
}
}
public void Hide()
{
UnbindConnectionCallbacks(_connection);
_connection = null;
_selectedTransition = null;
style.display = DisplayStyle.None;
}
public void Show(TransitionConnectionUI connection)
{
UnbindConnectionCallbacks(_connection);
_connection = connection;
_selectedTransition = _connection.Transitions[0];
BindTransitionFields(_selectedTransition);
BindConnectionCallbacks(_connection);
_transitions.itemsSource = _connection.Transitions;
_transitions.selectedIndex = 0;
_transitions.Refresh();
style.display = DisplayStyle.Flex;
}
public StateNodeUITransitionItem(TransitionConnectionUI transition)
{
StateNodeUI destinationState = (StateNodeUI)transition.Destination;
DestinationLabel = new Label(destinationState.Name);
DestinationLabel.pickingMode = PickingMode.Ignore;
var moveUpButton = new Button(MoveUp)
{
text = "▲"
};
moveUpButton.AddToClassList("move-up");
var moveDownButton = new Button(MoveDown)
{
text = "▼"
};
moveDownButton.AddToClassList("move-down");
Add(DestinationLabel);
Add(moveUpButton);
Add(moveDownButton);
_transition = transition;
destinationState.OnNameChanged += ChangeDestinationLabel;
RegisterCallback <MouseDownEvent>(e =>
{
if (e.clickCount < 2)
{
return;
}
schedule.Execute(() =>
{
StateMachineEditor.Editor.GraphView.ClearSelection();
StateMachineEditor.Editor.GraphView.AddToSelection((StateNodeUI)_transition.Destination);
StateMachineEditor.Editor.GraphView.FrameSelection();
});
});
}
void RemovedTransition(TransitionConnectionUI transitionConnection, TransitionInfo transitionInfo, int index)
{
_transitions.Refresh();
_transitions.selectedIndex = index == transitionConnection.Transitions.Count ? index - 1 : index;
}
void CreatedTransition(TransitionConnectionUI transitionConnection, TransitionInfo transitionInfo)
{
_transitions.Refresh();
_transitions.selectedIndex = transitionConnection.Transitions.Count - 1;
}