1 files changed, 57 insertions, 0 deletions
diff --git a/src/Authoring/Studio/DragAndDrop/DropTarget.cpp b/src/Authoring/Studio/DragAndDrop/DropTarget.cpp
new file mode 100644
index 00000000..2ca783e5
--- /dev/null
+++ b/src/Authoring/Studio/DragAndDrop/DropTarget.cpp
@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 1999-2003 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//==============================================================================
+//	Includes
+//==============================================================================
+
+#include "stdafx.h"
+#include "StudioApp.h"
+#include "Core.h"
+#include "Doc.h"
+#include "UICDMStudioSystem.h"
+#include "UICDMSlides.h"
+#include "DropTarget.h"
+
+CDropTarget::CDropTarget()
+    : m_Instance(0)
+    , m_ObjectType(OBJTYPE_UNKNOWN)
+{
+}
+
+bool CDropTarget::CanAddToMaster()
+{
+    long theTargetObjectType = GetObjectType();
+    if (theTargetObjectType == OBJTYPE_SCENE || theTargetObjectType == OBJTYPE_COMPONENT)
+        return true;
+    CDoc *theDoc = g_StudioApp.GetCore()->GetDoc();
+    UICDM::ISlideSystem *theSlideSystem = theDoc->GetStudioSystem()->GetSlideSystem();
+    UICDM::CUICDMSlideHandle theTargetSlide = theSlideSystem->GetAssociatedSlide(GetInstance());
+    return theTargetSlide && theSlideSystem->IsMasterSlide(theTargetSlide);
+}