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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SVX_SDR_PROPERTIES_EMPTYPROPERTIES_HXX
#define INCLUDED_SVX_SDR_PROPERTIES_EMPTYPROPERTIES_HXX

#include <sal/config.h>

#include <memory>

#include <svx/sdr/properties/properties.hxx>
#include <svl/itemset.hxx>


namespace sdr
{
    namespace properties
    {
        class EmptyProperties : public BaseProperties
        {
        protected:
            // the to be used ItemSet
            std::unique_ptr<SfxItemSet> mpEmptyItemSet;

            // create a new itemset
            virtual std::unique_ptr<SfxItemSet> CreateObjectSpecificItemSet(SfxItemPool& rPool) override;

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

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

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

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

        public:
            // basic constructor
            explicit EmptyProperties(SdrObject& rObj);

            // Clone() operator, normally just calls the local copy constructor
            virtual std::unique_ptr<BaseProperties> Clone(SdrObject& rObj) const override;

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

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

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

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

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

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

            // set a new StyleSheet and broadcast
            virtual void SetStyleSheet(SfxStyleSheet* pNewStyleSheet, bool bDontRemoveHardAttr) override;

            // get the installed StyleSheet
            virtual SfxStyleSheet* GetStyleSheet() const override;
        };
    } // end of namespace properties
} // end of namespace sdr

#endif // INCLUDED_SVX_SDR_PROPERTIES_EMPTYPROPERTIES_HXX

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