public virtual void OnEnable()
{
var assets = AssetDatabase.LoadAllAssetsAtPath(MathBookHelper.GetAssetPath());
if (assets == null || assets.Length == 0)
{
MathBookHelper.ResetOrCreateAsset();
assets = AssetDatabase.LoadAllAssetsAtPath(MathBookHelper.GetAssetPath());
if (assets == null || assets.Length == 0)
{
Debug.LogError("Could not load Math asset.");
return;
}
}
// Find the MathBook.
foreach (var asset in assets)
{
if (asset is MathBook)
{
m_MathBook = asset as MathBook;
break;
}
}
var simpleGraphView = new SimpleGraphView(this, withWindowedTools);
graphView = simpleGraphView;
graphView.name = "MathBook";
graphView.viewDataKey = "MathBook";
graphView.StretchToParentSize();
rootVisualElement.Add(graphView);
StyleSheet sheetAsset = Resources.Load("SimpleGraph", typeof(StyleSheet)) as StyleSheet;
graphView.styleSheets.Add(sheetAsset);
m_SimpleGraphViewCallbacks.Init(m_MathBook, simpleGraphView);
graphView.nodeCreationRequest += OnRequestNodeCreation;
titleContent.text = "Simple Graph";
Reload();
}
public void Init(MathBook mathBook, SimpleGraphView graphView)
{
m_MathBook = mathBook;
m_GraphView = graphView;
m_GraphView.graphViewChanged += GraphViewChanged;
m_GraphView.groupTitleChanged = OnGroupTitleChanged;
m_GraphView.elementsAddedToGroup = OnElementsAddedToGroup;
m_GraphView.elementsRemovedFromGroup = OnElementsRemovedFromGroup;
m_GraphView.elementsInsertedToStackNode = OnElementsInsertedToStackNode;
m_GraphView.elementsRemovedFromStackNode = OnElementsRemovedFromStackNode;
graphView.RegisterCallback <DragUpdatedEvent>(OnDragUpdatedEvent);
graphView.RegisterCallback <DragPerformEvent>(OnDragPerformEvent);
//m_GraphView.elementDeleted = ElementDeletedCallback;
//m_GraphView.edgeConnected = EdgeConnected;
//m_GraphView.edgeDisconnected = EdgeDisconnected;
}
public void DeInit(SimpleGraphView graphView)
{
// ReSharper disable once DelegateSubtraction
graphView.graphViewChanged -= GraphViewChanged;
}
