static bool HandleDragAsset(SceneView sceneView, Object handleObj)
{
Event e = Event.current;
Camera cam = sceneView.camera;
Vector3 mouse_abs_pos = e.mousePosition;
mouse_abs_pos.y = cam.pixelHeight - mouse_abs_pos.y;
mouse_abs_pos = sceneView.camera.ScreenToWorldPoint(mouse_abs_pos);
if (handleObj.GetType() == typeof(Sprite) || handleObj.GetType() == typeof(Texture2D))
{
GameObject box = new GameObject("Image_1", typeof(Image));
box.transform.position = mouse_abs_pos;
Transform container_trans = UIEditorHelper.GetContainerUnderMouse(mouse_abs_pos, box);
if (container_trans == null)
{
//没有容器的话就创建一个
container_trans = NewLayoutAndEventSys(mouse_abs_pos);
}
box.transform.SetParent(container_trans);
mouse_abs_pos.z = container_trans.position.z;
box.transform.position = mouse_abs_pos;
Selection.activeGameObject = box;
//生成唯一的节点名字
box.name = CommonHelper.GenerateUniqueName(container_trans.gameObject, handleObj.name);
//赋上图片
Image imageBoxCom = box.GetComponent <Image>();
if (imageBoxCom != null)
{
imageBoxCom.raycastTarget = false;
string assetPath = AssetDatabase.GetAssetPath(handleObj);
UIEditorHelper.SetImageByPath(assetPath, imageBoxCom);
return(true);
}
}
else
{
GameObject new_obj = GameObject.Instantiate(handleObj) as GameObject;
if (new_obj != null)
{
new_obj.transform.position = mouse_abs_pos;
GameObject ignore_obj = new_obj;
Transform container_trans = UIEditorHelper.GetContainerUnderMouse(mouse_abs_pos, ignore_obj);
if (container_trans == null)
{
container_trans = NewLayoutAndEventSys(mouse_abs_pos);
}
new_obj.transform.SetParent(container_trans);
mouse_abs_pos.z = container_trans.position.z;
new_obj.transform.position = mouse_abs_pos;
Selection.activeGameObject = new_obj;
//生成唯一的节点名字
new_obj.name = CommonHelper.GenerateUniqueName(container_trans.gameObject, handleObj.name);
return(true);
}
}
return(false);
}