1 files changed, 275 insertions, 0 deletions
diff --git a/svx/source/sdr/properties/groupproperties.cxx b/svx/source/sdr/properties/groupproperties.cxx
new file mode 100644
index 000000000..4ccd517f4
--- /dev/null
+++ b/svx/source/sdr/properties/groupproperties.cxx
@@ -0,0 +1,275 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <sdr/properties/groupproperties.hxx>
+#include <svl/itemset.hxx>
+#include <svl/whiter.hxx>
+#include <svx/svdogrp.hxx>
+#include <svx/svdpage.hxx>
+
+
+namespace sdr::properties
+{
+        // create a new itemset
+        std::unique_ptr<SfxItemSet> GroupProperties::CreateObjectSpecificItemSet(SfxItemPool& rPool)
+        {
+            // Groups have in principle no ItemSet. To support methods like
+            // GetMergedItemSet() the local one is used. Thus, all items in the pool
+            // may be used and a pool itemset is created.
+            return std::make_unique<SfxItemSet>(rPool);
+        }
+
+        GroupProperties::GroupProperties(SdrObject& rObj)
+        :   DefaultProperties(rObj)
+        {
+        }
+
+        GroupProperties::GroupProperties(const GroupProperties& rProps, SdrObject& rObj)
+        :   DefaultProperties(rProps, rObj)
+        {
+        }
+
+        GroupProperties::~GroupProperties()
+        {
+        }
+
+        std::unique_ptr<BaseProperties> GroupProperties::Clone(SdrObject& rObj) const
+        {
+            return std::unique_ptr<BaseProperties>(new GroupProperties(*this, rObj));
+        }
+
+        const SfxItemSet& GroupProperties::GetObjectItemSet() const
+        {
+            assert(!"GroupProperties::GetObjectItemSet() should never be called");
+            return DefaultProperties::GetObjectItemSet();
+        }
+
+        const SfxItemSet& GroupProperties::GetMergedItemSet() const
+        {
+            // prepare ItemSet
+            if(mpItemSet)
+            {
+                // clear local itemset for merge
+                mpItemSet->ClearItem();
+            }
+            else
+            {
+                // force local itemset
+                DefaultProperties::GetObjectItemSet();
+            }
+
+            // collect all ItemSets in mpItemSet
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                const SfxItemSet& rSet = pSub->GetObj(a)->GetMergedItemSet();
+                SfxWhichIter aIter(rSet);
+                sal_uInt16 nWhich(aIter.FirstWhich());
+
+                while(nWhich)
+                {
+                    if(SfxItemState::DONTCARE == rSet.GetItemState(nWhich, false))
+                    {
+                        mpItemSet->InvalidateItem(nWhich);
+                    }
+                    else
+                    {
+                        mpItemSet->MergeValue(rSet.Get(nWhich), true);
+                    }
+
+                    nWhich = aIter.NextWhich();
+                }
+            }
+
+            // For group properties, do not call parent since groups do
+            // not have local ItemSets.
+            return *mpItemSet;
+        }
+
+        void GroupProperties::SetMergedItemSet(const SfxItemSet& rSet, bool bClearAllItems)
+        {
+            // iterate over contained SdrObjects
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                SdrObject* pObj = pSub->GetObj(a);
+
+                if(pObj)
+                {
+                    // Set merged ItemSet at contained object
+                    pObj->SetMergedItemSet(rSet, bClearAllItems);
+                }
+            }
+
+            // Do not call parent here. Group objects do not have local ItemSets
+            // where items need to be set.
+            // DefaultProperties::SetMergedItemSet(rSet, bClearAllItems);
+        }
+
+        void GroupProperties::SetObjectItem(const SfxPoolItem& /*rItem*/)
+        {
+            assert(!"GroupProperties::SetObjectItem() should never be called");
+        }
+
+        void GroupProperties::SetObjectItemDirect(const SfxPoolItem& /*rItem*/)
+        {
+            assert(!"GroupProperties::SetObjectItemDirect() should never be called");
+        }
+
+        void GroupProperties::ClearObjectItem(const sal_uInt16 nWhich)
+        {
+            // iterate over contained SdrObjects
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                SdrObject* pObj = pSub->GetObj(a);
+
+                if(pObj)
+                {
+                    pObj->GetProperties().ClearObjectItem(nWhich);
+                }
+            }
+        }
+
+        void GroupProperties::ClearObjectItemDirect(const sal_uInt16 /*nWhich*/)
+        {
+            assert(!"GroupProperties::ClearObjectItemDirect() should never be called");
+        }
+
+        void GroupProperties::SetMergedItem(const SfxPoolItem& rItem)
+        {
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                pSub->GetObj(a)->GetProperties().SetMergedItem(rItem);
+            }
+        }
+
+        void GroupProperties::ClearMergedItem(const sal_uInt16 nWhich)
+        {
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                pSub->GetObj(a)->GetProperties().ClearMergedItem(nWhich);
+            }
+        }
+
+        void GroupProperties::SetObjectItemSet(const SfxItemSet& /*rSet*/)
+        {
+            assert(!"GroupProperties::SetObjectItemSet() should never be called");
+        }
+
+        void GroupProperties::ItemSetChanged(const SfxItemSet& /*rSet*/)
+        {
+            assert(!"GroupProperties::ItemSetChanged() should never be called");
+        }
+
+        bool GroupProperties::AllowItemChange(const sal_uInt16 /*nWhich*/, const SfxPoolItem* /*pNewItem*/) const
+        {
+            assert(!"GroupProperties::AllowItemChange() should never be called");
+            return false;
+        }
+
+        void GroupProperties::ItemChange(const sal_uInt16 /*nWhich*/, const SfxPoolItem* /*pNewItem*/)
+        {
+            assert(!"GroupProperties::ItemChange() should never be called");
+        }
+
+        void GroupProperties::PostItemChange(const sal_uInt16 /*nWhich*/)
+        {
+            assert(!"GroupProperties::PostItemChange() should never be called");
+        }
+
+        SfxStyleSheet* GroupProperties::GetStyleSheet() const
+        {
+            SfxStyleSheet* pRetval = nullptr;
+
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                SfxStyleSheet* pCandidate = pSub->GetObj(a)->GetStyleSheet();
+
+                if(pRetval)
+                {
+                    if(pCandidate != pRetval)
+                    {
+                        // different StyleSheelts, return none
+                        return nullptr;
+                    }
+                }
+                else
+                {
+                    pRetval = pCandidate;
+                }
+            }
+
+            return pRetval;
+        }
+
+        void GroupProperties::SetStyleSheet(SfxStyleSheet* pNewStyleSheet, bool bDontRemoveHardAttr)
+        {
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                pSub->GetObj(a)->SetStyleSheet(pNewStyleSheet, bDontRemoveHardAttr);
+            }
+        }
+
+        void GroupProperties::ForceDefaultAttributes()
+        {
+            // nothing to do here, groups have no items and thus no default items, too.
+        }
+
+        void GroupProperties::ForceStyleToHardAttributes()
+        {
+            const SdrObjList* pSub(static_cast<const SdrObjGroup&>(GetSdrObject()).GetSubList());
+            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");
+            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());
+
+            for(size_t a = 0; a < nCount; ++a)
+            {
+                pSub->GetObj(a)->GetProperties().ForceStyleToHardAttributes();
+            }
+        }
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */