AOO410/main/svx/source/sdr/properties/defaultproperties.cxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * 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.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/sdr/properties/defaultproperties.hxx>
#include <svx/sdr/properties/itemsettools.hxx>
#include <svl/itemset.hxx>
#include <svl/whiter.hxx>

#include <vector>
#include <svx/svdobj.hxx>
#include <svx/svddef.hxx>
#include <svx/svdpool.hxx>
#include <editeng/eeitem.hxx>

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

namespace sdr
{
	namespace properties
	{
		SfxItemSet& DefaultProperties::CreateObjectSpecificItemSet(SfxItemPool& rPool)
		{
			// Basic implementation; Basic object has NO attributes
			return *(new SfxItemSet(rPool));
		}

		DefaultProperties::DefaultProperties(SdrObject& rObj)
		:	BaseProperties(rObj),
			mpItemSet(0L)
		{
		}

		DefaultProperties::DefaultProperties(const DefaultProperties& rProps, SdrObject& rObj)
		:	BaseProperties(rObj),
			mpItemSet(0L)
		{
			if(rProps.mpItemSet)
			{
				mpItemSet = rProps.mpItemSet->Clone(sal_True);

				// do not keep parent info, this may be changed by later construrtors.
				// This class just copies the ItemSet, ignore parent.
				if(mpItemSet && mpItemSet->GetParent())
				{
					mpItemSet->SetParent(0L);
				}
			}
		}

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

		DefaultProperties::~DefaultProperties()
		{
			if(mpItemSet)
			{
				delete mpItemSet;
				mpItemSet = 0L;
			}
		}
		
		const SfxItemSet& DefaultProperties::GetObjectItemSet() const
		{
			if(!mpItemSet)
			{
				((DefaultProperties*)this)->mpItemSet = &(((DefaultProperties*)this)->CreateObjectSpecificItemSet(*GetSdrObject().GetObjectItemPool()));
				((DefaultProperties*)this)->ForceDefaultAttributes();
			}

			DBG_ASSERT(mpItemSet, "Could not create an SfxItemSet(!)");

			return *mpItemSet;
		}

		void DefaultProperties::SetObjectItem(const SfxPoolItem& rItem)
		{
			const sal_uInt16 nWhichID(rItem.Which());
	 
			if(AllowItemChange(nWhichID, &rItem))
			{
				ItemChange(nWhichID, &rItem);
				PostItemChange(nWhichID);
	 
				SfxItemSet aSet(*GetSdrObject().GetObjectItemPool(), nWhichID, nWhichID);
				aSet.Put(rItem);
				ItemSetChanged(aSet);
			}
		}

		void DefaultProperties::SetObjectItemDirect(const SfxPoolItem& rItem)
		{
			const sal_uInt16 nWhichID(rItem.Which());
	 
			if(AllowItemChange(nWhichID, &rItem))
			{
				ItemChange(nWhichID, &rItem);
			}
		}

		void DefaultProperties::ClearObjectItem(const sal_uInt16 nWhich)
		{
			if(AllowItemChange(nWhich))
			{
				ItemChange(nWhich);
				PostItemChange(nWhich);

				if(nWhich)
				{
					SfxItemSet aSet(*GetSdrObject().GetObjectItemPool(), nWhich, nWhich, 0, 0);
					ItemSetChanged(aSet);
				}
			}
		}

		void DefaultProperties::ClearObjectItemDirect(const sal_uInt16 nWhich)
		{
			if(AllowItemChange(nWhich))
			{
				ItemChange(nWhich);
			}
		}

		void DefaultProperties::SetObjectItemSet(const SfxItemSet& rSet)
		{
			SfxWhichIter aWhichIter(rSet);
			sal_uInt16 nWhich(aWhichIter.FirstWhich());
			const SfxPoolItem *pPoolItem;
			std::vector< sal_uInt16 > aPostItemChangeList;
			sal_Bool bDidChange(sal_False);
			SfxItemSet aSet(*GetSdrObject().GetObjectItemPool(), SDRATTR_START, EE_ITEMS_END, 0, 0);

			// give a hint to STL_Vector
			aPostItemChangeList.reserve(rSet.Count());

			while(nWhich)
			{
				if(SFX_ITEM_SET == rSet.GetItemState(nWhich, sal_False, &pPoolItem))
				{
					if(AllowItemChange(nWhich, pPoolItem))
					{
						bDidChange = sal_True;
						ItemChange(nWhich, pPoolItem);
						aPostItemChangeList.push_back( nWhich );
						aSet.Put(*pPoolItem);
					}
				}

				nWhich = aWhichIter.NextWhich();
			}
	 
			if(bDidChange)
			{
				std::vector< sal_uInt16 >::iterator aIter = aPostItemChangeList.begin();
				const std::vector< sal_uInt16 >::iterator aEnd = aPostItemChangeList.end();

				while(aIter != aEnd)
				{
					PostItemChange(*aIter);
					aIter++;
				}
	 
				ItemSetChanged(aSet);
			}
		}

		void DefaultProperties::ItemSetChanged(const SfxItemSet& /*rSet*/)
		{
		}

		sal_Bool DefaultProperties::AllowItemChange(const sal_uInt16 /*nWhich*/, const SfxPoolItem* /*pNewItem*/) const
		{
			return sal_True;
		}

		void DefaultProperties::ItemChange(const sal_uInt16 /*nWhich*/, const SfxPoolItem* /*pNewItem*/)
		{
		}

		void DefaultProperties::PostItemChange(const sal_uInt16 nWhich )
		{
			if( (nWhich == XATTR_FILLSTYLE) && (mpItemSet != NULL) )
				CleanupFillProperties(*mpItemSet);
		}

		void DefaultProperties::SetStyleSheet(SfxStyleSheet* /*pNewStyleSheet*/, sal_Bool /*bDontRemoveHardAttr*/)
		{
			// no StyleSheet in DefaultProperties
		}

		SfxStyleSheet* DefaultProperties::GetStyleSheet() const
		{
			// no StyleSheet in DefaultProperties
			return 0L;
		}

		void DefaultProperties::ForceDefaultAttributes()
		{
		}

		void DefaultProperties::Scale(const Fraction& rScale)
		{
			if(mpItemSet)
			{
				ScaleItemSet(*mpItemSet, rScale);
			}
		}
	} // end of namespace properties
} // end of namespace sdr

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