private void SwapStage(LessonStage stage, VisualElement element, bool up)
{
if (!m_BaseVisualElement.Contains(element))
{
return;
}
int elementIndex = m_BaseVisualElement.IndexOf(element);
int swapElementIndex = elementIndex + (up ? -1 : 1);
if (swapElementIndex < 0 || swapElementIndex >= m_BaseVisualElement.childCount)
{
return;
}
VisualElement swapElement = m_BaseVisualElement.ElementAt(swapElementIndex);
if (swapElement.GetType() != element.GetType())
{
return;
}
if (!m_BaseVisualElement.SwapElementsAt(elementIndex, swapElementIndex))
{
return;
}
m_LessonStageFactory.SwapStages(stage, up);
}
public LessonBrowser()
{
LessonData lessonData = LessonAccess.Instance.CurrentLessonData;
m_LessonStageFactory = lessonData.LessonStageFactory;
if (m_LessonStageFactory.LessonStages.Count > 0)
{
m_DefaultActiveState = false;
ApplyDefaultState(lessonData.ShapeDataFactory);
LessonStage firstStage = m_LessonStageFactory.LessonStages[0];
m_AppliedActions.Push(firstStage);
firstStage.ApplyActions();
HandleLessonStageNumberChanged(LessonAccess.Instance.CurrentLessonStageNumber);
}
else
{
m_DefaultActiveState = true;
ApplyDefaultState(lessonData.ShapeDataFactory);
}
AddDisposable(EventBus.Subscribe(this));
}
private void CreateStage()
{
LessonStage lessonStage = m_LessonStageFactory.CreateLessonStage();
VisualElement visualElement = new LessonStageEditor(lessonStage, RemoveStage, SwapStage).GetVisualElement();
m_BaseVisualElement.Add(visualElement);
}
public LessonStageEditor(LessonStage stage, Action <LessonStage, VisualElement> deleteAction, Action <LessonStage, VisualElement, bool> swapAction)
{
m_Stage = stage;
m_DeleteAction = deleteAction;
m_SwapAction = swapAction;
m_Stage.BecameDirty += UpdateName;
m_Stage.BecameDirty += UpdateName;
}
public void HandleLessonStageNumberChanged(int stageNumber)
{
if (stageNumber < 0 || stageNumber >= m_LessonStageFactory.LessonStages.Count)
{
return;
}
while (stageNumber >= m_AppliedActions.Count)
{
LessonStage stage = m_LessonStageFactory.LessonStages[m_AppliedActions.Count];
m_AppliedActions.Push(stage);
stage.ApplyActions();
}
while (stageNumber < m_AppliedActions.Count - 1)
{
m_AppliedActions.Pop().RollbackActions();
}
}
public LessonStageDescriptionVM(LessonStage stage)
{
Number = stage.StageNum;
Name = stage.StageName;
Description = stage.StageDescription;
}
public NoConflictsBetweenShapeActionsValidator(LessonStage lessonStage)
{
m_LessonStage = lessonStage;
m_LessonStage.BecameDirty += Update;
Update();
}
private void RemoveStage(LessonStage stage, VisualElement blueprintVisualElement)
{
m_LessonStageFactory.Remove(stage);
m_BaseVisualElement.Remove(blueprintVisualElement);
}
