1 files changed, 167 insertions, 0 deletions
diff --git a/src/Authoring/Studio/DragAndDrop/TimelineDropSource.cpp b/src/Authoring/Studio/DragAndDrop/TimelineDropSource.cpp
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+++ b/src/Authoring/Studio/DragAndDrop/TimelineDropSource.cpp
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+/****************************************************************************
+**
+** Copyright (C) 1999-2002 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//==============================================================================
+//	Prefix
+//==============================================================================
+#include "stdafx.h"
+
+//==============================================================================
+//	Includes
+//==============================================================================
+#include "TimelineDropSource.h"
+#include "FileDropSource.h"
+#include "Dispatch.h"
+#include "DropTarget.h"
+#include "StudioObjectTypes.h"
+#include "HotKeys.h"
+#include "Core.h"
+#include "Doc.h"
+#include "UICDMStudioSystem.h"
+#include "ClientDataModelBridge.h"
+#include "UICDMSlides.h"
+#include "Bindings/UICDMTimelineItemBinding.h"
+#include "IDocumentEditor.h"
+#include "ImportUtils.h"
+
+#pragma warning(disable : 4100)
+
+using namespace Q3DStudio;
+
+//===============================================================================
+/**
+ *
+ */
+CTimeLineDropSource::CTimeLineDropSource(long inFlavor, IDragable *inDraggable)
+    : CDropSource(inFlavor, sizeof(inDraggable))
+{
+    m_Copy = true;
+
+    m_Instances = g_StudioApp.GetCore()->GetDoc()->GetSelectedValue().GetSelectedInstances();
+    if (m_Instances.size())
+        m_ObjectType = g_StudioApp.GetCore()
+                           ->GetDoc()
+                           ->GetStudioSystem()
+                           ->GetClientDataModelBridge()
+                           ->GetObjectType(m_Instances[0]);
+    else
+        m_ObjectType = OBJTYPE_UNKNOWN;
+}
+
+//===============================================================================
+/**
+ *
+ */
+bool CTimeLineDropSource::CanMove()
+{
+    return !m_Copy;
+}
+
+//===============================================================================
+/**
+ *
+ */
+bool CTimeLineDropSource::CanCopy()
+{
+    bool theReturn = false;
+    // This is here because some Assets can not be copied ( scene, material )
+    theReturn = m_Copy && g_StudioApp.GetCore()->GetDoc()->CanCopyObject(m_Instances);
+
+    return theReturn;
+}
+
+//===============================================================================
+/**
+ *
+ */
+void CTimeLineDropSource::InterpretKeyFlags(long inModifyerKeys)
+{
+    m_Copy = ((inModifyerKeys & CHotKeys::MODIFIER_CONTROL) != 0);
+}
+
+//===============================================================================
+/**
+ *
+ */
+bool CTimeLineDropSource::ValidateTarget(CDropTarget *inTarget)
+{
+    // the only thing we want to do from here is check the type.
+    bool theValidTarget = CStudioObjectTypes::AcceptableParent(
+        (EStudioObjectType)GetObjectType(), (EStudioObjectType)inTarget->GetObjectType());
+
+    for (size_t idx = 0, end = m_Instances.size(); idx < end && theValidTarget; ++idx) {
+        UICDM::CUICDMInstanceHandle theHandle(m_Instances[idx]);
+
+        if (theValidTarget && theHandle.Valid()) {
+            theValidTarget &= (!inTarget->IsSelf(theHandle) && !inTarget->IsRelative(theHandle));
+            UICDM::ISlideSystem *theSlideSystem =
+                g_StudioApp.GetCore()->GetDoc()->GetStudioSystem()->GetSlideSystem();
+            UICDM::CUICDMSlideHandle theSlide = theSlideSystem->GetAssociatedSlide(theHandle);
+            bool theIsMaster = theSlideSystem->IsMasterSlide(theSlide);
+
+            theValidTarget &= !(theIsMaster && !inTarget->IsMaster());
+        }
+    }
+
+    SetHasValidTarget(theValidTarget);
+
+    return theValidTarget;
+}
+
+using namespace UICDM;
+using namespace Q3DStudio;
+
+inline void Rearrange(CDoc &inDoc, const UICDM::TInstanceHandleList &inInstances,
+                      CUICDMInstanceHandle inTarget, DocumentEditorInsertType::Enum inInsertType)
+{
+    SCOPED_DOCUMENT_EDITOR(inDoc, QObject::tr("Rearrange Object"))
+        ->RearrangeObjects(inInstances, inTarget, inInsertType);
+}
+
+CCmd *CTimeLineDropSource::GenerateAssetCommand(UICDM::CUICDMInstanceHandle inTarget,
+                                                EDROPDESTINATION inDestType,
+                                                UICDM::CUICDMSlideHandle inSlide)
+{
+    CDoc *theDoc = g_StudioApp.GetCore()->GetDoc();
+    CClientDataModelBridge *theBridge = theDoc->GetStudioSystem()->GetClientDataModelBridge();
+
+    if (CanCopy()) {
+        SCOPED_DOCUMENT_EDITOR(*theDoc, QObject::tr("Duplicate Object"))
+            ->DuplicateInstances(m_Instances, inTarget,
+                                 ImportUtils::GetInsertTypeForDropType(inDestType));
+    } else {
+        // We can't do the rearrange inline because it deletes a timeline item.
+        // So we will effectively postmessage and do it out of line.
+        theDoc->GetCore()->GetDispatch()->FireOnAsynchronousCommand(
+            std::bind(Rearrange, std::ref(*theDoc), m_Instances, inTarget,
+                        ImportUtils::GetInsertTypeForDropType(inDestType)));
+    }
+
+    return nullptr;
+}