// UnityEditor.UI.MenuOptions
public static GameObject GetOrCreateCanvasGameObject()
{
GameObject activeGameObject = Selection.activeGameObject;
Canvas canvas = (!(activeGameObject != null)) ? null : activeGameObject.GetComponentInParent <Canvas>();
GameObject result;
if (SpringGUIMenuOptions.IsValidCanvas(canvas))
{
result = canvas.gameObject;
}
else
{
Canvas[] array = StageUtility.GetCurrentStageHandle().FindComponentsOfType <Canvas>();
for (int i = 0; i < array.Length; i++)
{
if (SpringGUIMenuOptions.IsValidCanvas(array[i]))
{
result = array[i].gameObject;
return(result);
}
}
result = SpringGUIMenuOptions.CreateNewUI();
}
return(result);
}
// UnityEditor.UI.MenuOptions
public static GameObject CreateNewUI()
{
GameObject gameObject = new GameObject("Canvas");
gameObject.layer = LayerMask.NameToLayer("UI");
Canvas canvas = gameObject.AddComponent <Canvas>();
canvas.renderMode = RenderMode.ScreenSpaceOverlay;
gameObject.AddComponent <CanvasScaler>();
gameObject.AddComponent <GraphicRaycaster>();
StageUtility.PlaceGameObjectInCurrentStage(gameObject);
bool flag = false;
PrefabStage currentPrefabStage = PrefabStageUtility.GetCurrentPrefabStage();
if (currentPrefabStage != null)
{
gameObject.transform.SetParent(currentPrefabStage.prefabContentsRoot.transform, false);
flag = true;
}
Undo.RegisterCreatedObjectUndo(gameObject, "Create " + gameObject.name);
if (!flag)
{
SpringGUIMenuOptions.CreateEventSystem(false);
}
return(gameObject);
}
// UnityEditor.UI.MenuOptions
private static void PlaceUIElementRoot(GameObject element, MenuCommand menuCommand)
{
GameObject gameObject = menuCommand.context as GameObject;
bool flag = true;
if (gameObject == null)
{
gameObject = SpringGUIMenuOptions.GetOrCreateCanvasGameObject();
flag = false;
PrefabStage currentPrefabStage = PrefabStageUtility.GetCurrentPrefabStage();
if (currentPrefabStage != null && !currentPrefabStage.IsPartOfPrefabContents(gameObject))
{
gameObject = currentPrefabStage.prefabContentsRoot;
}
}
if (gameObject.GetComponentInParent <Canvas>() == null)
{
GameObject gameObject2 = SpringGUIMenuOptions.CreateNewUI();
gameObject2.transform.SetParent(gameObject.transform, false);
gameObject = gameObject2;
}
SceneManager.MoveGameObjectToScene(element, gameObject.scene);
Undo.RegisterCreatedObjectUndo(element, "Create " + element.name);
if (element.transform.parent == null)
{
Undo.SetTransformParent(element.transform, gameObject.transform, "Parent " + element.name);
}
GameObjectUtility.EnsureUniqueNameForSibling(element);
Undo.SetCurrentGroupName("Create " + element.name);
GameObjectUtility.SetParentAndAlign(element, gameObject);
if (!flag)
{
SpringGUIMenuOptions.SetPositionVisibleinSceneView(gameObject.GetComponent <RectTransform>(), element.GetComponent <RectTransform>());
}
Selection.activeGameObject = element;
}
private static void CreateEventSystem(bool select)
{
SpringGUIMenuOptions.CreateEventSystem(select, null);
}
public static void CreateEventSystem(MenuCommand menuCommand)
{
GameObject parent = menuCommand.context as GameObject;
SpringGUIMenuOptions.CreateEventSystem(true, parent);
}
