forms/source/richtext/rtattributehandler.hxx

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  30
  31 #ifndef FORMS_SOURCE_COMPONENT_RTATTRIBUTEHANDLER_HXX
  32 #define FORMS_SOURCE_COMPONENT_RTATTRIBUTEHANDLER_HXX
  33
  34 #include "rtattributes.hxx"
  35 #include <rtl/ref.hxx>
  36 #include <svx/svxenum.hxx>
  37 #include <svx/frmdir.hxx>
  38
  39 class SfxItemSet;
  40 class SfxPoolItem;
  41 class SfxItemPool;
  42 //........................................................................
  43 namespace frm
  44 {
  45 //........................................................................
  46
  47     //====================================================================
  48     //= ReferenceBase
  49     //====================================================================
  50     class ReferenceBase : public ::rtl::IReference
  51     {
  52     protected:
  53         oslInterlockedCount m_refCount;
  54
  55     public:
  56         // IReference
  57         virtual oslInterlockedCount SAL_CALL acquire();
  58         virtual oslInterlockedCount SAL_CALL release();
  59
  60     protected:
  61         virtual ~ReferenceBase();
  62     };
  63
  64     //====================================================================
  65     //= IAttributeHandler
  66     //====================================================================
  67     class IAttributeHandler : public ::rtl::IReference
  68     {
  69     public:
  70         virtual     AttributeId     getAttributeId( ) const = 0;
  71         virtual     AttributeState  getState( const SfxItemSet& _rAttribs ) const = 0;
  72         virtual     void            executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const = 0;
  73     };
  74
  75     //====================================================================
  76     //= AttributeHandler
  77     //====================================================================
  78     class AttributeHandler  :public ReferenceBase
  79                             ,public IAttributeHandler
  80     {
  81     private:
  82         AttributeId     m_nAttribute;
  83         WhichId         m_nWhich;
  84
  85     protected:
  86         AttributeId getAttribute() const { return m_nAttribute; }
  87         WhichId     getWhich() const     { return m_nWhich;     }
  88
  89     public:
  90         AttributeHandler( AttributeId _nAttributeId, WhichId _nWhichId );
  91
  92         // IAttributeHandler
  93         virtual     AttributeId     getAttributeId( ) const;
  94         virtual     AttributeState  getState( const SfxItemSet& _rAttribs ) const;
  95         virtual     void            executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const = 0;
  96
  97     protected:
  98         /// helper method calling implGetCheckState
  99         AttributeCheckState getCheckState( const SfxItemSet& _rAttribs ) const;
 100
 101         /// helper method putting an item into a set, respecting a script type
 102         void        putItemForScript( SfxItemSet& _rAttribs, const SfxPoolItem& _rItem, ScriptType _nForScriptType ) const;
 103
 104         // pseudo-abstract
 105         virtual     AttributeCheckState  implGetCheckState( const SfxPoolItem& _rItem ) const;
 106
 107         // disambiguate IReference
 108         virtual oslInterlockedCount SAL_CALL acquire();
 109         virtual oslInterlockedCount SAL_CALL release();
 110
 111     protected:
 112         virtual ~AttributeHandler();
 113     };
 114
 115     //====================================================================
 116     //= AttributeHandlerFactory
 117     //====================================================================
 118     class AttributeHandlerFactory
 119     {
 120     public:
 121         static ::rtl::Reference< IAttributeHandler > getHandlerFor( AttributeId _nAttributeId, const SfxItemPool& _rEditEnginePool );
 122
 123     private:
 124         AttributeHandlerFactory();                                              // never implemented
 125         AttributeHandlerFactory( const AttributeHandlerFactory& );              // never implemented
 126         AttributeHandlerFactory& operator=( const AttributeHandlerFactory& );   // never implemented
 127         ~AttributeHandlerFactory();                                             // never implemented
 128     };
 129
 130     //====================================================================
 131     //= ParaAlignmentHandler
 132     //====================================================================
 133     class ParaAlignmentHandler : public AttributeHandler
 134     {
 135     private:
 136         SvxAdjust   m_eAdjust;
 137
 138     public:
 139         ParaAlignmentHandler( AttributeId _nAttributeId );
 140
 141     public:
 142         virtual     AttributeCheckState implGetCheckState( const SfxPoolItem& _rItem ) const;
 143         virtual     void                executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const;
 144     };
 145
 146     //====================================================================
 147     //= LineSpacingHandler
 148     //====================================================================
 149     class LineSpacingHandler : public AttributeHandler
 150     {
 151     private:
 152         USHORT  m_nLineSpace;
 153
 154     public:
 155         LineSpacingHandler( AttributeId _nAttributeId );
 156
 157     public:
 158         virtual     AttributeCheckState implGetCheckState( const SfxPoolItem& _rItem ) const;
 159         virtual     void                executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const;
 160     };
 161
 162     //====================================================================
 163     //= EscapementHandler
 164     //====================================================================
 165     class EscapementHandler : public AttributeHandler
 166     {
 167     private:
 168         SvxEscapement   m_eEscapement;
 169
 170     public:
 171         EscapementHandler( AttributeId _nAttributeId );
 172
 173     public:
 174         virtual     AttributeCheckState implGetCheckState( const SfxPoolItem& _rItem ) const;
 175         virtual     void                executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const;
 176     };
 177
 178     //====================================================================
 179     //= SlotHandler
 180     //====================================================================
 181     class SlotHandler : public AttributeHandler
 182     {
 183     private:
 184         bool    m_bScriptDependent;
 185
 186     public:
 187         SlotHandler( AttributeId _nAttributeId, WhichId _nWhichId );
 188
 189     public:
 190         virtual     AttributeState  getState( const SfxItemSet& _rAttribs ) const;
 191         virtual     void            executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const;
 192     };
 193
 194     //====================================================================
 195     //= BooleanHandler
 196     //====================================================================
 197     class BooleanHandler : public AttributeHandler
 198     {
 199     public:
 200         BooleanHandler( AttributeId _nAttributeId, WhichId _nWhichId );
 201
 202     public:
 203         virtual     AttributeCheckState implGetCheckState( const SfxPoolItem& _rItem ) const;
 204         virtual     void                executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const;
 205     };
 206
 207     //====================================================================
 208     //= FontSizeHandler
 209     //====================================================================
 210     class FontSizeHandler : public AttributeHandler
 211     {
 212     public:
 213         FontSizeHandler( AttributeId _nAttributeId, WhichId _nWhichId );
 214
 215     public:
 216         virtual     AttributeState  getState( const SfxItemSet& _rAttribs ) const;
 217         virtual     void            executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const;
 218     };
 219
 220     //====================================================================
 221     //= ParagraphDirectionHandler
 222     //====================================================================
 223     class ParagraphDirectionHandler : public AttributeHandler
 224     {
 225     private:
 226         SvxFrameDirection   m_eParagraphDirection;
 227         SvxAdjust           m_eDefaultAdjustment;
 228         SvxAdjust           m_eOppositeDefaultAdjustment;
 229
 230     public:
 231         ParagraphDirectionHandler( AttributeId _nAttributeId );
 232
 233     public:
 234         virtual     AttributeCheckState implGetCheckState( const SfxPoolItem& _rItem ) const;
 235         virtual     void                executeAttribute( const SfxItemSet& _rCurrentAttribs, SfxItemSet& _rNewAttribs, const SfxPoolItem* _pAdditionalArg, ScriptType _nForScriptType ) const;
 236     };
 237
 238 //........................................................................
 239 } // namespace frm
 240 //........................................................................
 241
 242 #endif // FORMS_SOURCE_COMPONENT_RTATTRIBUTEHANDLER_HXX
 243