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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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#ifndef _SDR_PROPERTIES_GROUPPROPERTIES_HXX
#define _SDR_PROPERTIES_GROUPPROPERTIES_HXX

#include <svx/sdr/properties/defaultproperties.hxx>

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

namespace sdr
{
	namespace properties
	{
		class GroupProperties : public DefaultProperties
		{
		protected:
			// create a new itemset
			virtual SfxItemSet& CreateObjectSpecificItemSet(SfxItemPool& rPool);

			// test changeability for a single item
			virtual sal_Bool AllowItemChange(const sal_uInt16 nWhich, const SfxPoolItem* pNewItem = 0) const;

			// Do the ItemChange, may do special handling
			virtual void ItemChange(const sal_uInt16 nWhich, const SfxPoolItem* pNewItem = 0);

			// Called after ItemChange() is done for all items.
			virtual void PostItemChange(const sal_uInt16 nWhich);

			// react on ItemSet changes
			virtual void ItemSetChanged(const SfxItemSet& rSet);

		public:
			// basic constructor
			GroupProperties(SdrObject& rObj);

			// copy constructor
			GroupProperties(const GroupProperties& rProps, SdrObject& rObj);

			// destructor
			virtual ~GroupProperties();
			
			// Clone() operator, normally just calls the local copy constructor
			virtual BaseProperties& Clone(SdrObject& rObj) const;

			// get itemset
			virtual const SfxItemSet& GetObjectItemSet() const;

			// get merged ItemSet. Normally, this maps directly to GetObjectItemSet(), but may
			// be overloaded e.g for group objects to return a merged ItemSet of the object.
			// When using this method the returned ItemSet may contain items in the state
			// SFX_ITEM_DONTCARE which means there were several such items with different
			// values.
			virtual const SfxItemSet& GetMergedItemSet() const;

			// Set merged ItemSet. Normally, this maps to SetObjectItemSet().
			virtual void SetMergedItemSet(const SfxItemSet& rSet, sal_Bool bClearAllItems = sal_False);

			// set single item
			virtual void SetObjectItem(const SfxPoolItem& rItem);

			// set single item direct, do not do any notifies or things like that
			virtual void SetObjectItemDirect(const SfxPoolItem& rItem);

			// clear single item
			virtual void ClearObjectItem(const sal_uInt16 nWhich = 0);

			// clear single item direct, do not do any notifies or things like that.
			// Also supports complete deleteion of items when default parameter 0 is used.
			virtual void ClearObjectItemDirect(const sal_uInt16 nWhich = 0);

			// Set a single item, iterate over hierarchies if necessary.
			virtual void SetMergedItem(const SfxPoolItem& rItem);

			// Clear a single item, iterate over hierarchies if necessary.
			virtual void ClearMergedItem(const sal_uInt16 nWhich = 0);

			// set complete item set
			virtual void SetObjectItemSet(const SfxItemSet& rSet);

			// set a new StyleSheet
			virtual void SetStyleSheet(SfxStyleSheet* pNewStyleSheet, sal_Bool bDontRemoveHardAttr);

			// get the local StyleSheet
			virtual SfxStyleSheet* GetStyleSheet() const;

			// force default attributes for a specific object type, called from
			// DefaultProperties::GetObjectItemSet() if a new ItemSet is created
			virtual void ForceDefaultAttributes();

			// Move properties to a new ItemPool.
			virtual void MoveToItemPool(SfxItemPool* pSrcPool, SfxItemPool* pDestPool, SdrModel* pNewModel = 0L);

			// force all attributes which come from styles to hard attributes
			// to be able to live without the style.
			virtual void ForceStyleToHardAttributes();
		};
	} // end of namespace properties
} // end of namespace sdr

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

#endif //_SDR_PROPERTIES_GROUPPROPERTIES_HXX

// eof