extensions/source/propctrlr/propertyhandler.hxx

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  27
  28 #ifndef EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
  29 #define EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
  30
  31 #include "pcrcomponentcontext.hxx"
  32 #include "pcrcommon.hxx"
  33 #ifndef _EXTENSIONS_PROPCTRLR_MODULEPCR_HXX_
  34 #include "modulepcr.hxx"
  35 #endif
  36
  37 /** === begin UNO includes === **/
  38 #include <com/sun/star/uno/XComponentContext.hpp>
  39 #include <com/sun/star/beans/PropertyState.hpp>
  40 #include <com/sun/star/beans/XPropertySet.hpp>
  41 #include <com/sun/star/beans/Property.hpp>
  42 #include <com/sun/star/script/XTypeConverter.hpp>
  43 #include <com/sun/star/frame/XModel.hpp>
  44 #include <com/sun/star/uno/Sequence.hxx>
  45 #include <com/sun/star/uno/Any.hxx>
  46 #include <com/sun/star/util/Date.hpp>
  47 #include <com/sun/star/util/Time.hpp>
  48 #include <com/sun/star/util/DateTime.hpp>
  49 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  50 #include <com/sun/star/inspection/XPropertyHandler.hpp>
  51 #include <com/sun/star/lang/XServiceInfo.hpp>
  52 /** === end UNO includes === **/
  53 #include <osl/interlck.h>
  54 #include <cppuhelper/compbase1.hxx>
  55 #include <cppuhelper/implbase1.hxx>
  56 #include <comphelper/uno3.hxx>
  57
  58 #include <memory>
  59 #include <vector>
  60
  61 namespace com { namespace sun { namespace star {
  62     namespace inspection {
  63         struct LineDescriptor;
  64         class XPropertyControlFactory;
  65     }
  66 } } }
  67
  68 class Window;
  69 //........................................................................
  70 namespace pcr
  71 {
  72 //........................................................................
  73
  74     typedef sal_Int32   PropertyId;
  75
  76     //====================================================================
  77     //= PropertyHandler
  78     //====================================================================
  79     class OPropertyInfoService;
  80     typedef ::cppu::WeakComponentImplHelper1    <   ::com::sun::star::inspection::XPropertyHandler
  81                                                 >   PropertyHandler_Base;
  82     /** the base class for property handlers
  83     */
  84     class PropertyHandler : public PropertyHandler_Base
  85     {
  86     private:
  87         /// cache for getSupportedProperties
  88         mutable StlSyntaxSequence< ::com::sun::star::beans::Property >
  89                                     m_aSupportedProperties;
  90         mutable bool                m_bSupportedPropertiesAreKnown;
  91
  92         /// helper which ensures that we can access resources as long as the instance lives
  93         PcrClient       m_aEnsureResAccess;
  94
  95     private:
  96         /// the property listener which has been registered
  97         PropertyChangeListeners                                                         m_aPropertyListeners;
  98
  99     protected:
 100         mutable ::osl::Mutex                                                            m_aMutex;
 101         /// the context in which the instance was created
 102         ComponentContext                                                                m_aContext;
 103         /// the component we're inspecting
 104         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >       m_xComponent;
 105         /// info about our component's properties
 106         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySetInfo >   m_xComponentPropertyInfo;
 107         /// type converter, needed on various occasions
 108         ::com::sun::star::uno::Reference< ::com::sun::star::script::XTypeConverter >    m_xTypeConverter;
 109         /// access to property meta data
 110         ::std::auto_ptr< OPropertyInfoService >                                         m_pInfoService;
 111
 112     protected:
 113         PropertyHandler(
 114             const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext
 115         );
 116         ~PropertyHandler();
 117
 118         // default implementations for XPropertyHandler
 119         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);
 120         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property > SAL_CALL getSupportedProperties() throw (::com::sun::star::uno::RuntimeException);
 121         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupersededProperties( ) throw (::com::sun::star::uno::RuntimeException);
 122         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getActuatingProperties( ) throw (::com::sun::star::uno::RuntimeException);
 123         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);
 124         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);
 125         virtual ::com::sun::star::beans::PropertyState  SAL_CALL getPropertyState( const ::rtl::OUString& _rPropertyName ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 126         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);
 127         virtual ::sal_Bool SAL_CALL isComposable( const ::rtl::OUString& _rPropertyName ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 128         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);
 129         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);
 130         virtual void SAL_CALL addPropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ) throw (::com::sun::star::uno::RuntimeException);
 131         virtual void SAL_CALL removePropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ) throw (::com::sun::star::uno::RuntimeException);
 132         virtual sal_Bool SAL_CALL suspend( sal_Bool _bSuspend ) throw (::com::sun::star::uno::RuntimeException);
 133
 134         // XComponent
 135         DECLARE_XCOMPONENT()
 136         virtual void SAL_CALL disposing();
 137
 138         // own overridables
 139         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property >
 140                     SAL_CALL doDescribeSupportedProperties() const = 0;
 141
 142         /// called when XPropertyHandler::inspect has been called, and we thus have a new component to inspect
 143         virtual void onNewComponent();
 144
 145     protected:
 146         /** fires the change in a property value to our listener (if any)
 147             @see addPropertyChangeListener
 148         */
 149         void    firePropertyChange( const ::rtl::OUString& _rPropName, PropertyId _nPropId,
 150                     const ::com::sun::star::uno::Any& _rOldValue, const ::com::sun::star::uno::Any& _rNewValue ) SAL_THROW(());
 151
 152         /** retrieves a window which can be used as parent for dialogs
 153         */
 154         Window* impl_getDefaultDialogParent_nothrow() const;
 155
 156         /** retrieves the property id for a given property name
 157             @throw com::sun::star::beans::UnknownPropertyException
 158                 if the property name is not known to our ->m_pInfoService
 159         */
 160         PropertyId impl_getPropertyId_throw( const ::rtl::OUString& _rPropertyName ) const;
 161
 162         //-------------------------------------------------------------------------------
 163         // helper for implementing doDescribeSupportedProperties
 164         /** adds a description for the given string property to the given property vector
 165             Most probably to be called from within getSupportedProperties
 166         */
 167         inline void addStringPropertyDescription(
 168                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 169                     const ::rtl::OUString& _rPropertyName,
 170                     sal_Int16 _nAttribs = 0
 171                 ) const;
 172
 173         /** adds a description for the given int32 property to the given property vector
 174         */
 175         inline void addInt32PropertyDescription(
 176                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 177                     const ::rtl::OUString& _rPropertyName,
 178                     sal_Int16 _nAttribs = 0
 179                 ) const;
 180
 181         /** adds a description for the given int16 property to the given property vector
 182         */
 183         inline void addInt16PropertyDescription(
 184                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 185                     const ::rtl::OUString& _rPropertyName,
 186                     sal_Int16 _nAttribs = 0
 187                 ) const;
 188
 189         /** adds a description for the given double property to the given property vector
 190         */
 191         inline void addDoublePropertyDescription(
 192                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 193                     const ::rtl::OUString& _rPropertyName,
 194                     sal_Int16 _nAttribs = 0
 195                 ) const;
 196
 197         /** adds a description for the given date property to the given property vector
 198         */
 199         inline void addDatePropertyDescription(
 200                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 201                     const ::rtl::OUString& _rPropertyName,
 202                     sal_Int16 _nAttribs = 0
 203                 ) const;
 204
 205         /** adds a description for the given time property to the given property vector
 206         */
 207         inline void addTimePropertyDescription(
 208                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 209                     const ::rtl::OUString& _rPropertyName,
 210                     sal_Int16 _nAttribs = 0
 211                 ) const;
 212
 213         /** adds a description for the given DateTime property to the given property vector
 214         */
 215         inline void addDateTimePropertyDescription(
 216                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 217                     const ::rtl::OUString& _rPropertyName,
 218                     sal_Int16 _nAttribs = 0
 219                 ) const;
 220
 221         /// adds a Property, given by name only, to a given vector of Properties
 222         void implAddPropertyDescription(
 223                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 224                     const ::rtl::OUString& _rPropertyName,
 225                     const ::com::sun::star::uno::Type& _rType,
 226                     sal_Int16 _nAttribs = 0
 227                 ) const;
 228
 229         //-------------------------------------------------------------------------------
 230         // helper for accessing and maintaining meta data about our supported properties
 231
 232         /** retrieves a property given by handle
 233
 234             @return
 235                 a pointer to the descriptor for the given properties, if it is one of our
 236                 supported properties, <NULL/> else.
 237
 238             @see doDescribeSupportedProperties
 239             @see impl_getPropertyFromId_throw
 240         */
 241         const ::com::sun::star::beans::Property*
 242                     impl_getPropertyFromId_nothrow( PropertyId _nPropId ) const;
 243
 244         /** retrieves a property given by handle
 245
 246             @throws UnknownPropertyException
 247                 if the handler does not support a property with the given handle
 248
 249             @seealso doDescribeSupportedProperties
 250             @see impl_getPropertyFromId_nothrow
 251         */
 252         const ::com::sun::star::beans::Property&
 253                     impl_getPropertyFromId_throw( PropertyId _nPropId ) const;
 254
 255         /** determines whether a given property id is part of our supported properties
 256             @see getSupportedProperties
 257             @see doDescribeSupportedProperties
 258         */
 259         inline bool impl_isSupportedProperty_nothrow( PropertyId _nPropId ) const
 260         {
 261             return impl_getPropertyFromId_nothrow( _nPropId ) != NULL;
 262         }
 263
 264         /** retrieves a property given by name
 265
 266             @throws UnknownPropertyException
 267                 if the handler does not support a property with the given name
 268
 269             @seealso doDescribeSupportedProperties
 270         */
 271         const ::com::sun::star::beans::Property&
 272                     impl_getPropertyFromName_throw( const ::rtl::OUString& _rPropertyName ) const;
 273
 274         /** get the name of a property given by handle
 275         */
 276         inline ::rtl::OUString
 277                     impl_getPropertyNameFromId_nothrow( PropertyId _nPropId ) const;
 278
 279         /** returns the value of the ContextDocument property in the ComponentContext which was used to create
 280             this handler.
 281         */
 282         inline ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >
 283                     impl_getContextDocument_nothrow() const
 284         {
 285             return ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >(
 286                 m_aContext.getContextValueByAsciiName( "ContextDocument" ), ::com::sun::star::uno::UNO_QUERY );
 287         }
 288
 289         /** marks the context document as modified
 290
 291             @see impl_getContextDocument_nothrow
 292         */
 293         void impl_setContextDocumentModified_nothrow() const;
 294
 295         /// determines whether our component has a given property
 296         bool impl_componentHasProperty_throw( const ::rtl::OUString& _rPropName ) const;
 297
 298         /** determines the default measure unit for the document in which our component lives
 299         */
 300         sal_Int16 impl_getDocumentMeasurementUnit_throw() const;
 301
 302     private:
 303         PropertyHandler();                                    // never implemented
 304         PropertyHandler( const PropertyHandler& );            // never implemented
 305         PropertyHandler& operator=( const PropertyHandler& ); // never implemented
 306     };
 307
 308     //--------------------------------------------------------------------
 309     inline void PropertyHandler::addStringPropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 310     {
 311         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< ::rtl::OUString* >( NULL ) ), _nAttribs );
 312     }
 313
 314     inline void PropertyHandler::addInt32PropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 315     {
 316         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< sal_Int32* >( NULL ) ), _nAttribs );
 317     }
 318
 319     inline void PropertyHandler::addInt16PropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 320     {
 321         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< sal_Int16* >( NULL ) ), _nAttribs );
 322     }
 323
 324     inline void PropertyHandler::addDoublePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 325     {
 326         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< double* >( NULL ) ), _nAttribs );
 327     }
 328
 329     inline void PropertyHandler::addDatePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 330     {
 331         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::Date* >( NULL ) ), _nAttribs );
 332     }
 333
 334     inline void PropertyHandler::addTimePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 335     {
 336         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::Time* >( NULL ) ), _nAttribs );
 337     }
 338
 339     inline void PropertyHandler::addDateTimePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 340     {
 341         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::DateTime* >( NULL ) ), _nAttribs );
 342     }
 343
 344     inline ::rtl::OUString PropertyHandler::impl_getPropertyNameFromId_nothrow( PropertyId _nPropId ) const
 345     {
 346         const ::com::sun::star::beans::Property* pProp = impl_getPropertyFromId_nothrow( _nPropId );
 347         return pProp ? pProp->Name : ::rtl::OUString();
 348     }
 349
 350     //====================================================================
 351     //= PropertyHandlerComponent
 352     //====================================================================
 353     typedef ::cppu::ImplHelper1 <   ::com::sun::star::lang::XServiceInfo
 354                                 >   PropertyHandlerComponent_Base;
 355     /** PropertyHandler implementation which additionally supports XServiceInfo
 356     */
 357     class PropertyHandlerComponent  :public PropertyHandler
 358                                     ,public PropertyHandlerComponent_Base
 359     {
 360     protected:
 361         PropertyHandlerComponent(
 362             const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext
 363         );
 364
 365         DECLARE_XINTERFACE()
 366         DECLARE_XTYPEPROVIDER()
 367
 368         // XServiceInfo
 369         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException) = 0;
 370         virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
 371         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException) = 0;
 372     };
 373
 374     //====================================================================
 375     //= HandlerComponentBase
 376     //====================================================================
 377     /** a PropertyHandlerComponent implementation which routes XServiceInfo::getImplementationName and
 378         XServiceInfo::getSupportedServiceNames to static versions of those methods, which are part of
 379         the derived class.
 380
 381         Additionally, a method <member>Create</member> is provided which takes a component context, and returns a new
 382         instance of the derived class. This <member>Create</member> is used to register the implementation
 383         of the derived class at the <type>PcrModule</type>.
 384
 385         Well, every time we're talking about derived class, we in fact mean the template argument of
 386         <type>HandlerComponentBase</type>. But usually this equals your derived class:
 387         <pre>
 388         class MyHandler;
 389         typedef HandlerComponentBase< MyHandler > MyHandler_Base;
 390         class MyHandler : MyHandler_Base
 391         {
 392             ...
 393         public:
 394             static ::rtl::OUString SAL_CALL getImplementationName_static(  ) throw (::com::sun::star::uno::RuntimeException);
 395             static ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames_static(  ) throw (::com::sun::star::uno::RuntimeException);
 396         };
 397         </pre>
 398     */
 399     template < class HANDLER >
 400     class HandlerComponentBase : public PropertyHandlerComponent
 401     {
 402     protected:
 403         HandlerComponentBase( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext )
 404             :PropertyHandlerComponent( _rxContext )
 405         {
 406         }
 407
 408     protected:
 409         // XServiceInfo
 410         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException);
 411         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);
 412         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 );
 413
 414     public:
 415         /** registers the implementation of HANDLER at the <type>PcrModule</type>
 416         */
 417         static void registerImplementation();
 418     };
 419
 420     //--------------------------------------------------------------------
 421     template < class HANDLER >
 422     ::rtl::OUString SAL_CALL HandlerComponentBase< HANDLER >::getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException)
 423     {
 424         return HANDLER::getImplementationName_static();
 425     }
 426
 427     //--------------------------------------------------------------------
 428     template < class HANDLER >
 429     ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL HandlerComponentBase< HANDLER >::getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException)
 430     {
 431         return HANDLER::getSupportedServiceNames_static();
 432     }
 433
 434     //--------------------------------------------------------------------
 435     template < class HANDLER >
 436     void HandlerComponentBase< HANDLER >::registerImplementation()
 437     {
 438         PcrModule::getInstance().registerImplementation(
 439             HANDLER::getImplementationName_static(),
 440             HANDLER::getSupportedServiceNames_static(),
 441             HANDLER::Create
 442         );
 443     }
 444
 445     //--------------------------------------------------------------------
 446     template < class HANDLER >
 447     ::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 )
 448     {
 449         return *( new HANDLER( _rxContext ) );
 450     }
 451
 452 //........................................................................
 453 } // namespace pcr
 454 //........................................................................
 455
 456 #endif // EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
 457