sdr/properties/groupproperties.cxx

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/sdr/properties/groupproperties.hxx>
#include <svl/itemset.hxx>
#include <svl/whiter.hxx>
#include <svx/svddef.hxx>
#include <editeng/eeitem.hxx>
#include <svx/svdogrp.hxx>
#include <svx/svdpool.hxx>
#include <svx/svdpage.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace sdr
{
	namespace properties
	{
		// create a new itemset
		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 *(new SfxItemSet(rPool));
		}

		GroupProperties::GroupProperties(SdrObject& rObj)
		:	DefaultProperties(rObj)
		{
		}

		GroupProperties::GroupProperties(const GroupProperties& rProps, SdrObject& rObj)
		:	DefaultProperties(rProps, rObj)
		{
		}

		GroupProperties::~GroupProperties()
		{
		}

		BaseProperties& GroupProperties::Clone(SdrObject& rObj) const
		{
			return *(new GroupProperties(*this, rObj));
		}

		const SfxItemSet& GroupProperties::GetObjectItemSet() const
		{
			DBG_ASSERT(sal_False, "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 = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
			const sal_uInt32 nCount(pSub->GetObjCount());

			for(sal_uInt32 a(0L); a < nCount; a++)
			{
				const SfxItemSet& rSet = pSub->GetObj(a)->GetMergedItemSet();
				SfxWhichIter aIter(rSet);
				sal_uInt16 nWhich(aIter.FirstWhich());

				while(nWhich)
				{
					if(SFX_ITEM_DONTCARE == rSet.GetItemState(nWhich, sal_False))
					{
						mpItemSet->InvalidateItem(nWhich);
					}
					else
					{
						mpItemSet->MergeValue(rSet.Get(nWhich), sal_True);
					}

					nWhich = aIter.NextWhich();
				}
			}

			// For group proerties, do not call parent since groups do
			// not have local ItemSets.
			return *mpItemSet;
		}

		void GroupProperties::SetMergedItemSet(const SfxItemSet& rSet, sal_Bool bClearAllItems)
		{
			// iterate over contained SdrObjects
			const SdrObjList* pSub = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
			const sal_uInt32 nCount(pSub->GetObjCount());

			for(sal_uInt32 a(0L); 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*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::SetObjectItem() should never be called (!)");
		}

		void GroupProperties::SetObjectItemDirect(const SfxPoolItem& /*rItem*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::SetObjectItemDirect() should never be called (!)");
		}

		void GroupProperties::ClearObjectItem(const sal_uInt16 /*nWhich*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::ClearObjectItem() should never be called (!)");
		}

		void GroupProperties::ClearObjectItemDirect(const sal_uInt16 /*nWhich*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::ClearObjectItemDirect() should never be called (!)");
		}

		void GroupProperties::SetMergedItem(const SfxPoolItem& rItem)
		{
			const SdrObjList* pSub = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
			const sal_uInt32 nCount(pSub->GetObjCount());

			for(sal_uInt32 a(0L); a < nCount; a++)
			{
				pSub->GetObj(a)->GetProperties().SetMergedItem(rItem);
			}
		}

		void GroupProperties::ClearMergedItem(const sal_uInt16 nWhich)
		{
			const SdrObjList* pSub = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
			const sal_uInt32 nCount(pSub->GetObjCount());

			for(sal_uInt32 a(0L); a < nCount; a++)
			{
				pSub->GetObj(a)->GetProperties().ClearMergedItem(nWhich);
			}
		}

		void GroupProperties::SetObjectItemSet(const SfxItemSet& /*rSet*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::SetObjectItemSet() should never be called (!)");
		}

		void GroupProperties::ItemSetChanged(const SfxItemSet& /*rSet*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::ItemSetChanged() should never be called (!)");
		}

		sal_Bool GroupProperties::AllowItemChange(const sal_uInt16 /*nWhich*/, const SfxPoolItem* /*pNewItem*/) const
		{
			DBG_ASSERT(sal_False, "GroupProperties::AllowItemChange() should never be called (!)");
			return sal_False;
		}

		void GroupProperties::ItemChange(const sal_uInt16 /*nWhich*/, const SfxPoolItem* /*pNewItem*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::ItemChange() should never be called (!)");
		}

		void GroupProperties::PostItemChange(const sal_uInt16 /*nWhich*/)
		{
			DBG_ASSERT(sal_False, "GroupProperties::PostItemChange() should never be called (!)");
		}

		SfxStyleSheet* GroupProperties::GetStyleSheet() const
		{
			SfxStyleSheet* pRetval = 0L;

			const SdrObjList* pSub = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
			const sal_uInt32 nCount(pSub->GetObjCount());

			for(sal_uInt32 a(0L); a < nCount; a++)
			{
				SfxStyleSheet* pCandidate = pSub->GetObj(a)->GetStyleSheet();

				if(pRetval)
				{
					if(pCandidate != pRetval)
					{
						// different StyleSheelts, return none
						return 0L;
					}
				}
				else
				{
					pRetval = pCandidate;
				}
			}

			return pRetval;
		}

		void GroupProperties::SetStyleSheet(SfxStyleSheet* pNewStyleSheet, sal_Bool bDontRemoveHardAttr)
		{
			const SdrObjList* pSub = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
			const sal_uInt32 nCount(pSub->GetObjCount());

			for(sal_uInt32 a(0L); 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::MoveToItemPool(SfxItemPool* pSrcPool, SfxItemPool* pDestPool, SdrModel* pNewModel)
		{
			if(pSrcPool && pDestPool && (pSrcPool != pDestPool))
			{
				const SdrObjList* pSub = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
				const sal_uInt32 nCount(pSub->GetObjCount());

				for(sal_uInt32 a(0L); a < nCount; a++)
				{
					pSub->GetObj(a)->GetProperties().MoveToItemPool(pSrcPool, pDestPool, pNewModel);
				}

				// also clear local ItemSet, it's only temporary for group objects anyways.
				if(mpItemSet)
				{
					// #121905#
					// copy/paste is still using clone operators and MoveToItemPool functionality.
					// Since SfxItemSet contains a pool pointer, ClearItem is not enough here.
					// The ItemSet for merge is constructed on demand, so it's enough here to
					// just delete it and set to 0L.
					// mpItemSet->ClearItem();
					delete mpItemSet;
					mpItemSet = 0L;
				}
			}
		}

		void GroupProperties::ForceStyleToHardAttributes()
		{
			const SdrObjList* pSub = ((const SdrObjGroup&)GetSdrObject()).GetSubList();
			const sal_uInt32 nCount(pSub->GetObjCount());

			for(sal_uInt32 a(0L); a < nCount; a++)
			{
				pSub->GetObj(a)->GetProperties().ForceStyleToHardAttributes();
			}
		}
	} // end of namespace properties
} // end of namespace sdr

//////////////////////////////////////////////////////////////////////////////
// eof