extensions/source/propctrlr/propertyhandler.hxx

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  28
  29 #ifndef EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
  30 #define EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
  31
  32 #include "pcrcomponentcontext.hxx"
  33 #include "pcrcommon.hxx"
  34 #include "modulepcr.hxx"
  35
  36 /** === begin UNO includes === **/
  37 #include <com/sun/star/uno/XComponentContext.hpp>
  38 #include <com/sun/star/beans/PropertyState.hpp>
  39 #include <com/sun/star/beans/XPropertySet.hpp>
  40 #include <com/sun/star/beans/Property.hpp>
  41 #include <com/sun/star/script/XTypeConverter.hpp>
  42 #include <com/sun/star/frame/XModel.hpp>
  43 #include <com/sun/star/uno/Sequence.hxx>
  44 #include <com/sun/star/uno/Any.hxx>
  45 #include <com/sun/star/util/Date.hpp>
  46 #include <com/sun/star/util/Time.hpp>
  47 #include <com/sun/star/util/DateTime.hpp>
  48 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  49 #include <com/sun/star/inspection/XPropertyHandler.hpp>
  50 #include <com/sun/star/lang/XServiceInfo.hpp>
  51 /** === end UNO includes === **/
  52 #include <osl/interlck.h>
  53 #include <cppuhelper/compbase1.hxx>
  54 #include <cppuhelper/implbase1.hxx>
  55 #include <comphelper/uno3.hxx>
  56
  57 #include <memory>
  58 #include <vector>
  59
  60 namespace com { namespace sun { namespace star {
  61     namespace inspection {
  62         struct LineDescriptor;
  63         class XPropertyControlFactory;
  64     }
  65 } } }
  66
  67 class Window;
  68 //........................................................................
  69 namespace pcr
  70 {
  71 //........................................................................
  72
  73     typedef sal_Int32   PropertyId;
  74
  75     //====================================================================
  76     //= PropertyHandler
  77     //====================================================================
  78     class OPropertyInfoService;
  79     typedef ::cppu::WeakComponentImplHelper1    <   ::com::sun::star::inspection::XPropertyHandler
  80                                                 >   PropertyHandler_Base;
  81     /** the base class for property handlers
  82     */
  83     class PropertyHandler : public PropertyHandler_Base
  84     {
  85     private:
  86         /// cache for getSupportedProperties
  87         mutable StlSyntaxSequence< ::com::sun::star::beans::Property >
  88                                     m_aSupportedProperties;
  89         mutable bool                m_bSupportedPropertiesAreKnown;
  90
  91         /// helper which ensures that we can access resources as long as the instance lives
  92         PcrClient       m_aEnsureResAccess;
  93
  94     private:
  95         /// the property listener which has been registered
  96         PropertyChangeListeners                                                         m_aPropertyListeners;
  97
  98     protected:
  99         mutable ::osl::Mutex                                                            m_aMutex;
 100         /// the context in which the instance was created
 101         ComponentContext                                                                m_aContext;
 102         /// the component we're inspecting
 103         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >       m_xComponent;
 104         /// info about our component's properties
 105         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySetInfo >   m_xComponentPropertyInfo;
 106         /// type converter, needed on various occasions
 107         ::com::sun::star::uno::Reference< ::com::sun::star::script::XTypeConverter >    m_xTypeConverter;
 108         /// access to property meta data
 109         ::std::auto_ptr< OPropertyInfoService >                                         m_pInfoService;
 110
 111     protected:
 112         PropertyHandler(
 113             const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext
 114         );
 115         ~PropertyHandler();
 116
 117         // default implementations for XPropertyHandler
 118         virtual void SAL_CALL inspect( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxIntrospectee ) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::NullPointerException);
 119         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property > SAL_CALL getSupportedProperties() throw (::com::sun::star::uno::RuntimeException);
 120         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupersededProperties( ) throw (::com::sun::star::uno::RuntimeException);
 121         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getActuatingProperties( ) throw (::com::sun::star::uno::RuntimeException);
 122         virtual ::com::sun::star::uno::Any SAL_CALL convertToPropertyValue( const ::rtl::OUString& _rPropertyName, const ::com::sun::star::uno::Any& _rControlValue ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 123         virtual ::com::sun::star::uno::Any SAL_CALL convertToControlValue( const ::rtl::OUString& _rPropertyName, const ::com::sun::star::uno::Any& _rPropertyValue, const ::com::sun::star::uno::Type& _rControlValueType ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 124         virtual ::com::sun::star::beans::PropertyState  SAL_CALL getPropertyState( const ::rtl::OUString& _rPropertyName ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 125         virtual ::com::sun::star::inspection::LineDescriptor SAL_CALL describePropertyLine( const ::rtl::OUString& _rPropertyName, const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlFactory >& _rxControlFactory ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::lang::NullPointerException, ::com::sun::star::uno::RuntimeException);
 126         virtual ::sal_Bool SAL_CALL isComposable( const ::rtl::OUString& _rPropertyName ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 127         virtual ::com::sun::star::inspection::InteractiveSelectionResult SAL_CALL onInteractivePropertySelection( const ::rtl::OUString& _rPropertyName, sal_Bool _bPrimary, ::com::sun::star::uno::Any& _rData, const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XObjectInspectorUI >& _rxInspectorUI ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::lang::NullPointerException, ::com::sun::star::uno::RuntimeException);
 128         virtual void SAL_CALL actuatingPropertyChanged( const ::rtl::OUString& _rActuatingPropertyName, const ::com::sun::star::uno::Any& _rNewValue, const ::com::sun::star::uno::Any& _rOldValue, const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XObjectInspectorUI >& _rxInspectorUI, sal_Bool _bFirstTimeInit ) throw (::com::sun::star::lang::NullPointerException, ::com::sun::star::uno::RuntimeException);
 129         virtual void SAL_CALL addPropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ) throw (::com::sun::star::uno::RuntimeException);
 130         virtual void SAL_CALL removePropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ) throw (::com::sun::star::uno::RuntimeException);
 131         virtual sal_Bool SAL_CALL suspend( sal_Bool _bSuspend ) throw (::com::sun::star::uno::RuntimeException);
 132
 133         // XComponent
 134         DECLARE_XCOMPONENT()
 135         virtual void SAL_CALL disposing();
 136
 137         // own overridables
 138         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property >
 139                     SAL_CALL doDescribeSupportedProperties() const = 0;
 140
 141         /// called when XPropertyHandler::inspect has been called, and we thus have a new component to inspect
 142         virtual void onNewComponent();
 143
 144     protected:
 145         /** fires the change in a property value to our listener (if any)
 146             @see addPropertyChangeListener
 147         */
 148         void    firePropertyChange( const ::rtl::OUString& _rPropName, PropertyId _nPropId,
 149                     const ::com::sun::star::uno::Any& _rOldValue, const ::com::sun::star::uno::Any& _rNewValue ) SAL_THROW(());
 150
 151         /** retrieves a window which can be used as parent for dialogs
 152         */
 153         Window* impl_getDefaultDialogParent_nothrow() const;
 154
 155         /** retrieves the property id for a given property name
 156             @throw com::sun::star::beans::UnknownPropertyException
 157                 if the property name is not known to our ->m_pInfoService
 158         */
 159         PropertyId impl_getPropertyId_throw( const ::rtl::OUString& _rPropertyName ) const;
 160
 161         //-------------------------------------------------------------------------------
 162         // helper for implementing doDescribeSupportedProperties
 163         /** adds a description for the given string property to the given property vector
 164             Most probably to be called from within getSupportedProperties
 165         */
 166         inline void addStringPropertyDescription(
 167                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 168                     const ::rtl::OUString& _rPropertyName,
 169                     sal_Int16 _nAttribs = 0
 170                 ) const;
 171
 172         /** adds a description for the given int32 property to the given property vector
 173         */
 174         inline void addInt32PropertyDescription(
 175                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 176                     const ::rtl::OUString& _rPropertyName,
 177                     sal_Int16 _nAttribs = 0
 178                 ) const;
 179
 180         /** adds a description for the given int16 property to the given property vector
 181         */
 182         inline void addInt16PropertyDescription(
 183                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 184                     const ::rtl::OUString& _rPropertyName,
 185                     sal_Int16 _nAttribs = 0
 186                 ) const;
 187
 188         /** adds a description for the given double property to the given property vector
 189         */
 190         inline void addDoublePropertyDescription(
 191                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 192                     const ::rtl::OUString& _rPropertyName,
 193                     sal_Int16 _nAttribs = 0
 194                 ) const;
 195
 196         /** adds a description for the given date property to the given property vector
 197         */
 198         inline void addDatePropertyDescription(
 199                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 200                     const ::rtl::OUString& _rPropertyName,
 201                     sal_Int16 _nAttribs = 0
 202                 ) const;
 203
 204         /** adds a description for the given time property to the given property vector
 205         */
 206         inline void addTimePropertyDescription(
 207                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 208                     const ::rtl::OUString& _rPropertyName,
 209                     sal_Int16 _nAttribs = 0
 210                 ) const;
 211
 212         /** adds a description for the given DateTime property to the given property vector
 213         */
 214         inline void addDateTimePropertyDescription(
 215                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 216                     const ::rtl::OUString& _rPropertyName,
 217                     sal_Int16 _nAttribs = 0
 218                 ) const;
 219
 220         /// adds a Property, given by name only, to a given vector of Properties
 221         void implAddPropertyDescription(
 222                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 223                     const ::rtl::OUString& _rPropertyName,
 224                     const ::com::sun::star::uno::Type& _rType,
 225                     sal_Int16 _nAttribs = 0
 226                 ) const;
 227
 228         //-------------------------------------------------------------------------------
 229         // helper for accessing and maintaining meta data about our supported properties
 230
 231         /** retrieves a property given by handle
 232
 233             @return
 234                 a pointer to the descriptor for the given properties, if it is one of our
 235                 supported properties, <NULL/> else.
 236
 237             @see doDescribeSupportedProperties
 238             @see impl_getPropertyFromId_throw
 239         */
 240         const ::com::sun::star::beans::Property*
 241                     impl_getPropertyFromId_nothrow( PropertyId _nPropId ) const;
 242
 243         /** retrieves a property given by handle
 244
 245             @throws UnknownPropertyException
 246                 if the handler does not support a property with the given handle
 247
 248             @seealso doDescribeSupportedProperties
 249             @see impl_getPropertyFromId_nothrow
 250         */
 251         const ::com::sun::star::beans::Property&
 252                     impl_getPropertyFromId_throw( PropertyId _nPropId ) const;
 253
 254         /** determines whether a given property id is part of our supported properties
 255             @see getSupportedProperties
 256             @see doDescribeSupportedProperties
 257         */
 258         inline bool impl_isSupportedProperty_nothrow( PropertyId _nPropId ) const
 259         {
 260             return impl_getPropertyFromId_nothrow( _nPropId ) != NULL;
 261         }
 262
 263         /** retrieves a property given by name
 264
 265             @throws UnknownPropertyException
 266                 if the handler does not support a property with the given name
 267
 268             @seealso doDescribeSupportedProperties
 269         */
 270         const ::com::sun::star::beans::Property&
 271                     impl_getPropertyFromName_throw( const ::rtl::OUString& _rPropertyName ) const;
 272
 273         /** get the name of a property given by handle
 274         */
 275         inline ::rtl::OUString
 276                     impl_getPropertyNameFromId_nothrow( PropertyId _nPropId ) const;
 277
 278         /** returns the value of the ContextDocument property in the ComponentContext which was used to create
 279             this handler.
 280         */
 281         inline ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >
 282                     impl_getContextDocument_nothrow() const
 283         {
 284             return ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >(
 285                 m_aContext.getContextValueByAsciiName( "ContextDocument" ), ::com::sun::star::uno::UNO_QUERY );
 286         }
 287
 288         /** marks the context document as modified
 289
 290             @see impl_getContextDocument_nothrow
 291         */
 292         void impl_setContextDocumentModified_nothrow() const;
 293
 294         /// determines whether our component has a given property
 295         bool impl_componentHasProperty_throw( const ::rtl::OUString& _rPropName ) const;
 296
 297         /** determines the default measure unit for the document in which our component lives
 298         */
 299         sal_Int16 impl_getDocumentMeasurementUnit_throw() const;
 300
 301     private:
 302         PropertyHandler();                                    // never implemented
 303         PropertyHandler( const PropertyHandler& );            // never implemented
 304         PropertyHandler& operator=( const PropertyHandler& ); // never implemented
 305     };
 306
 307     //--------------------------------------------------------------------
 308     inline void PropertyHandler::addStringPropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 309     {
 310         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< ::rtl::OUString* >( NULL ) ), _nAttribs );
 311     }
 312
 313     inline void PropertyHandler::addInt32PropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 314     {
 315         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< sal_Int32* >( NULL ) ), _nAttribs );
 316     }
 317
 318     inline void PropertyHandler::addInt16PropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 319     {
 320         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< sal_Int16* >( NULL ) ), _nAttribs );
 321     }
 322
 323     inline void PropertyHandler::addDoublePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 324     {
 325         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< double* >( NULL ) ), _nAttribs );
 326     }
 327
 328     inline void PropertyHandler::addDatePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 329     {
 330         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::Date* >( NULL ) ), _nAttribs );
 331     }
 332
 333     inline void PropertyHandler::addTimePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 334     {
 335         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::Time* >( NULL ) ), _nAttribs );
 336     }
 337
 338     inline void PropertyHandler::addDateTimePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 339     {
 340         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::DateTime* >( NULL ) ), _nAttribs );
 341     }
 342
 343     inline ::rtl::OUString PropertyHandler::impl_getPropertyNameFromId_nothrow( PropertyId _nPropId ) const
 344     {
 345         const ::com::sun::star::beans::Property* pProp = impl_getPropertyFromId_nothrow( _nPropId );
 346         return pProp ? pProp->Name : ::rtl::OUString();
 347     }
 348
 349     //====================================================================
 350     //= PropertyHandlerComponent
 351     //====================================================================
 352     typedef ::cppu::ImplHelper1 <   ::com::sun::star::lang::XServiceInfo
 353                                 >   PropertyHandlerComponent_Base;
 354     /** PropertyHandler implementation which additionally supports XServiceInfo
 355     */
 356     class PropertyHandlerComponent  :public PropertyHandler
 357                                     ,public PropertyHandlerComponent_Base
 358     {
 359     protected:
 360         PropertyHandlerComponent(
 361             const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext
 362         );
 363
 364         DECLARE_XINTERFACE()
 365         DECLARE_XTYPEPROVIDER()
 366
 367         // XServiceInfo
 368         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException) = 0;
 369         virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
 370         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException) = 0;
 371     };
 372
 373     //====================================================================
 374     //= HandlerComponentBase
 375     //====================================================================
 376     /** a PropertyHandlerComponent implementation which routes XServiceInfo::getImplementationName and
 377         XServiceInfo::getSupportedServiceNames to static versions of those methods, which are part of
 378         the derived class.
 379
 380         Additionally, a method <member>Create</member> is provided which takes a component context, and returns a new
 381         instance of the derived class. This <member>Create</member> is used to register the implementation
 382         of the derived class at the <type>PcrModule</type>.
 383
 384         Well, every time we're talking about derived class, we in fact mean the template argument of
 385         <type>HandlerComponentBase</type>. But usually this equals your derived class:
 386         <pre>
 387         class MyHandler;
 388         typedef HandlerComponentBase< MyHandler > MyHandler_Base;
 389         class MyHandler : MyHandler_Base
 390         {
 391             ...
 392         public:
 393             static ::rtl::OUString SAL_CALL getImplementationName_static(  ) throw (::com::sun::star::uno::RuntimeException);
 394             static ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames_static(  ) throw (::com::sun::star::uno::RuntimeException);
 395         };
 396         </pre>
 397     */
 398     template < class HANDLER >
 399     class HandlerComponentBase : public PropertyHandlerComponent
 400     {
 401     protected:
 402         HandlerComponentBase( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext )
 403             :PropertyHandlerComponent( _rxContext )
 404         {
 405         }
 406
 407     protected:
 408         // XServiceInfo
 409         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException);
 410         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);
 411         static ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL Create( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext );
 412
 413     public:
 414         /** registers the implementation of HANDLER at the <type>PcrModule</type>
 415         */
 416         static void registerImplementation();
 417     };
 418
 419     //--------------------------------------------------------------------
 420     template < class HANDLER >
 421     ::rtl::OUString SAL_CALL HandlerComponentBase< HANDLER >::getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException)
 422     {
 423         return HANDLER::getImplementationName_static();
 424     }
 425
 426     //--------------------------------------------------------------------
 427     template < class HANDLER >
 428     ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL HandlerComponentBase< HANDLER >::getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException)
 429     {
 430         return HANDLER::getSupportedServiceNames_static();
 431     }
 432
 433     //--------------------------------------------------------------------
 434     template < class HANDLER >
 435     void HandlerComponentBase< HANDLER >::registerImplementation()
 436     {
 437         PcrModule::getInstance().registerImplementation(
 438             HANDLER::getImplementationName_static(),
 439             HANDLER::getSupportedServiceNames_static(),
 440             HANDLER::Create
 441         );
 442     }
 443
 444     //--------------------------------------------------------------------
 445     template < class HANDLER >
 446     ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL HandlerComponentBase< HANDLER >::Create( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext )
 447     {
 448         return *( new HANDLER( _rxContext ) );
 449     }
 450
 451 //........................................................................
 452 } // namespace pcr
 453 //........................................................................
 454
 455 #endif // EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
 456
 457 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */