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public static CreateNewUI ( ) : |
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// Helper function that returns a Canvas GameObject; preferably a parent of the selection, or other existing Canvas.
static public GameObject GetOrCreateCanvasGameObject()
{
GameObject selectedGo = Selection.activeGameObject;
// Try to find a gameobject that is the selected GO or one if its parents.
Canvas canvas = (selectedGo != null) ? selectedGo.GetComponentInParent <Canvas>() : null;
if (IsValidCanvas(canvas))
{
return(canvas.gameObject);
}
// No canvas in selection or its parents? Then use any valid canvas.
// We have to find all loaded Canvases, not just the ones in main scenes.
Canvas[] canvasArray = StageUtility.GetCurrentStageHandle().FindComponentsOfType <Canvas>();
for (int i = 0; i < canvasArray.Length; i++)
{
if (IsValidCanvas(canvasArray[i]))
{
return(canvasArray[i].gameObject);
}
}
// No canvas in the scene at all? Then create a new one.
return(MenuOptions.CreateNewUI());
}
private static void PlaceUIElementRoot(GameObject element, MenuCommand menuCommand)
{
GameObject parent = menuCommand.context as GameObject;
bool explicitParentChoice = true;
if (parent == null)
{
parent = GetOrCreateCanvasGameObject();
explicitParentChoice = false;
// If in Prefab Mode, Canvas has to be part of Prefab contents,
// otherwise use Prefab root instead.
PrefabStage prefabStage = PrefabStageUtility.GetCurrentPrefabStage();
if (prefabStage != null && !prefabStage.IsPartOfPrefabContents(parent))
{
parent = prefabStage.prefabContentsRoot;
}
}
if (parent.GetComponentInParent <Canvas>() == null)
{
// Create canvas under context GameObject,
// and make that be the parent which UI element is added under.
GameObject canvas = MenuOptions.CreateNewUI();
canvas.transform.SetParent(parent.transform, false);
parent = canvas;
}
// Setting the element to be a child of an element already in the scene should
// be sufficient to also move the element to that scene.
// However, it seems the element needs to be already in its destination scene when the
// RegisterCreatedObjectUndo is performed; otherwise the scene it was created in is dirtied.
SceneManager.MoveGameObjectToScene(element, parent.scene);
Undo.RegisterCreatedObjectUndo(element, "Create " + element.name);
if (element.transform.parent == null)
{
Undo.SetTransformParent(element.transform, parent.transform, "Parent " + element.name);
}
GameObjectUtility.EnsureUniqueNameForSibling(element);
// We have to fix up the undo name since the name of the object was only known after reparenting it.
Undo.SetCurrentGroupName("Create " + element.name);
GameObjectUtility.SetParentAndAlign(element, parent);
if (!explicitParentChoice) // not a context click, so center in sceneview
{
SetPositionVisibleinSceneView(parent.GetComponent <RectTransform>(),
element.GetComponent <RectTransform>());
}
Selection.activeGameObject = element;
}
public static void AddCanvas(MenuCommand menuCommand)
{
GameObject newUi = MenuOptions.CreateNewUI();
GameObjectUtility.SetParentAndAlign(newUi, menuCommand.context as GameObject);
if ((bool)((Object)(newUi.transform.parent as RectTransform)))
{
RectTransform transform = newUi.transform as RectTransform;
transform.anchorMin = Vector2.zero;
transform.anchorMax = Vector2.one;
transform.anchoredPosition = Vector2.zero;
transform.sizeDelta = Vector2.zero;
}
Selection.activeGameObject = newUi;
}
public static void AddCanvas(MenuCommand menuCommand)
{
GameObject gameObject = MenuOptions.CreateNewUI();
GameObjectUtility.SetParentAndAlign(gameObject, menuCommand.context as GameObject);
if (gameObject.transform.parent as RectTransform)
{
RectTransform rectTransform = gameObject.transform as RectTransform;
rectTransform.anchorMin = Vector2.zero;
rectTransform.anchorMax = Vector2.one;
rectTransform.anchoredPosition = Vector2.zero;
rectTransform.sizeDelta = Vector2.zero;
}
Selection.activeGameObject = gameObject;
}
public static GameObject GetOrCreateCanvasGameObject()
{
GameObject activeGameObject = Selection.activeGameObject;
Canvas canvas = !((Object)activeGameObject != (Object)null) ? (Canvas)null : activeGameObject.GetComponentInParent <Canvas>();
if ((Object)canvas != (Object)null && canvas.gameObject.activeInHierarchy)
{
return(canvas.gameObject);
}
Canvas objectOfType = Object.FindObjectOfType(typeof(Canvas)) as Canvas;
if ((Object)objectOfType != (Object)null && objectOfType.gameObject.activeInHierarchy)
{
return(objectOfType.gameObject);
}
return(MenuOptions.CreateNewUI());
}
private static void PlaceUIElementRoot(GameObject element, MenuCommand menuCommand)
{
GameObject parent = menuCommand.context as GameObject;
bool explicitParentChoice = true;
if (parent == null)
{
parent = GetOrCreateCanvasGameObject();
explicitParentChoice = false;
// If in Prefab Mode, Canvas has to be part of Prefab contents,
// otherwise use Prefab root instead.
PrefabStage prefabStage = PrefabStageUtility.GetCurrentPrefabStage();
if (prefabStage != null && !prefabStage.IsPartOfPrefabContents(parent))
{
parent = prefabStage.prefabContentsRoot;
}
}
if (parent.GetComponentsInParent <Canvas>(true).Length == 0)
{
// Create canvas under context GameObject,
// and make that be the parent which UI element is added under.
GameObject canvas = MenuOptions.CreateNewUI();
Undo.SetTransformParent(canvas.transform, parent.transform, "");
parent = canvas;
}
GameObjectUtility.EnsureUniqueNameForSibling(element);
SetParentAndAlign(element, parent);
if (!explicitParentChoice) // not a context click, so center in sceneview
{
SetPositionVisibleinSceneView(parent.GetComponent <RectTransform>(), element.GetComponent <RectTransform>());
}
// This call ensure any change made to created Objects after they where registered will be part of the Undo.
Undo.RegisterFullObjectHierarchyUndo(parent == null ? element : parent, "");
// We have to fix up the undo name since the name of the object was only known after reparenting it.
Undo.SetCurrentGroupName("Create " + element.name);
Selection.activeGameObject = element;
}
// Helper function that returns a Canvas GameObject; preferably a parent of the selection, or other existing Canvas.
static public GameObject GetOrCreateCanvasGameObject()
{
GameObject selectedGo = Selection.activeGameObject;
// Try to find a gameobject that is the selected GO or one if its parents.
Canvas canvas = (selectedGo != null) ? selectedGo.GetComponentInParent <Canvas>() : null;
if (canvas != null && canvas.gameObject.activeInHierarchy)
{
return(canvas.gameObject);
}
// No canvas in selection or its parents? Then use just any canvas..
canvas = Object.FindObjectOfType(typeof(Canvas)) as Canvas;
if (canvas != null && canvas.gameObject.activeInHierarchy)
{
return(canvas.gameObject);
}
// No canvas in the scene at all? Then create a new one.
return(MenuOptions.CreateNewUI());
}
public static GameObject GetOrCreateCanvasGameObject()
{
GameObject activeGameObject = Selection.activeGameObject;
Canvas canvas = (!(activeGameObject != null)) ? null : activeGameObject.GetComponentInParent <Canvas>();
GameObject result;
if (canvas != null && canvas.gameObject.activeInHierarchy)
{
result = canvas.gameObject;
}
else
{
canvas = (UnityEngine.Object.FindObjectOfType(typeof(Canvas)) as Canvas);
if (canvas != null && canvas.gameObject.activeInHierarchy)
{
result = canvas.gameObject;
}
else
{
result = MenuOptions.CreateNewUI();
}
}
return(result);
}
