void OnSelectionChange()
{
DirectedGraphConfig config = Selection.activeObject as DirectedGraphConfig;
if (config == null || config != _config)
{
OnDisable();
Show(config);
}
}
void OnDisable()
{
EditorApplication.update -= UpdateGraphEditorWindow;
_config?.CleanupEditor(_object);
_object?.ApplyModifiedProperties();
_config = null;
_object = null;
_graph = null;
titleContent.text = "Graph Editor";
Repaint();
}
public static GraphEditorWindow Show(DirectedGraphConfig config)
{
string title = (config == null ? "" : (config.name + " | ")) + "Graph Editor";
GraphEditorWindow window = GetWindow <GraphEditorWindow>(title, true, typeof(UnityEditor.SceneView));
window.SetObject(config);
EditorApplication.update -= window.UpdateGraphEditorWindow;
if (config != null)
{
EditorApplication.update += window.UpdateGraphEditorWindow;
}
return(window);
}
private void SetObject(DirectedGraphConfig config)
{
if (config == null || _config == config)
{
_object?.Update();
return;
}
_config = config;
_object = new SerializedObject(_config);
_object.Update();
_graph = _object.FindProperty(_config.GraphProperty);
if (_graph == null)
{
_object = null;
_config = null;
return;
}
Vector2 adjust;
Rect rect = new Rect(0f, 0f, NODE_WIDTH, NODE_HEIGHT);
_config.InitializeEditor(_object);
_scrollRect = rect;
_nodes = _graph.FindPropertyRelative("Nodes");
_links = _graph.FindPropertyRelative("Links");
_linkData = _graph.FindPropertyRelative("LinkData");
_positions = _object.FindProperty("_Positions");
if ((_nodes?.arraySize ?? 0) == 0)
{
CreateNewNode(Vector2.zero);
}
_positions.arraySize = _nodes.arraySize;
adjust = _positions.GetArrayElementAtIndex(0).vector2Value;
for (int i = _positions.arraySize - 1; i >= 0; i--)
{
rect.center = _positions.GetArrayElementAtIndex(i).vector2Value -= adjust;
AdjustScrollRect(rect, SCROLL_PADDING);
}
_object.ApplyModifiedProperties();
_selectedNodes = new List <int>();
_selectedLinks = new List <int>();
_linking = -1;
_scroll = new Vector2((position.width - _scrollRect.xMin) * .5f, -position.height - _scrollRect.yMin * .5f);
Repaint();
}