extensions/source/propctrlr/propertyhandler.hxx

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  30
  31 #ifndef EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
  32 #define EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
  33
  34 #include "pcrcomponentcontext.hxx"
  35 #include "pcrcommon.hxx"
  36 #ifndef _EXTENSIONS_PROPCTRLR_MODULEPCR_HXX_
  37 #include "modulepcr.hxx"
  38 #endif
  39
  40 /** === begin UNO includes === **/
  41 #include <com/sun/star/uno/XComponentContext.hpp>
  42 #include <com/sun/star/beans/PropertyState.hpp>
  43 #include <com/sun/star/beans/XPropertySet.hpp>
  44 #include <com/sun/star/beans/Property.hpp>
  45 #include <com/sun/star/script/XTypeConverter.hpp>
  46 #include <com/sun/star/frame/XModel.hpp>
  47 #include <com/sun/star/uno/Sequence.hxx>
  48 #include <com/sun/star/uno/Any.hxx>
  49 #include <com/sun/star/util/Date.hpp>
  50 #include <com/sun/star/util/Time.hpp>
  51 #include <com/sun/star/util/DateTime.hpp>
  52 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  53 #include <com/sun/star/inspection/XPropertyHandler.hpp>
  54 #include <com/sun/star/lang/XServiceInfo.hpp>
  55 /** === end UNO includes === **/
  56 #include <osl/interlck.h>
  57 #include <cppuhelper/compbase1.hxx>
  58 #include <cppuhelper/implbase1.hxx>
  59 #include <comphelper/uno3.hxx>
  60
  61 #include <memory>
  62 #include <vector>
  63
  64 namespace com { namespace sun { namespace star {
  65     namespace inspection {
  66         struct LineDescriptor;
  67         class XPropertyControlFactory;
  68     }
  69 } } }
  70
  71 class Window;
  72 //........................................................................
  73 namespace pcr
  74 {
  75 //........................................................................
  76
  77     typedef sal_Int32   PropertyId;
  78
  79     //====================================================================
  80     //= PropertyHandler
  81     //====================================================================
  82     class OPropertyInfoService;
  83     typedef ::cppu::WeakComponentImplHelper1    <   ::com::sun::star::inspection::XPropertyHandler
  84                                                 >   PropertyHandler_Base;
  85     /** the base class for property handlers
  86     */
  87     class PropertyHandler : public PropertyHandler_Base
  88     {
  89     private:
  90         /// cache for getSupportedProperties
  91         mutable StlSyntaxSequence< ::com::sun::star::beans::Property >
  92                                     m_aSupportedProperties;
  93         mutable bool                m_bSupportedPropertiesAreKnown;
  94
  95         /// helper which ensures that we can access resources as long as the instance lives
  96         PcrClient       m_aEnsureResAccess;
  97
  98     private:
  99         /// the property listener which has been registered
 100         PropertyChangeListeners                                                         m_aPropertyListeners;
 101
 102     protected:
 103         mutable ::osl::Mutex                                                            m_aMutex;
 104         /// the context in which the instance was created
 105         ComponentContext                                                                m_aContext;
 106         /// the component we're inspecting
 107         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >       m_xComponent;
 108         /// info about our component's properties
 109         ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySetInfo >   m_xComponentPropertyInfo;
 110         /// type converter, needed on various occasions
 111         ::com::sun::star::uno::Reference< ::com::sun::star::script::XTypeConverter >    m_xTypeConverter;
 112         /// access to property meta data
 113         ::std::auto_ptr< OPropertyInfoService >                                         m_pInfoService;
 114
 115     protected:
 116         PropertyHandler(
 117             const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext
 118         );
 119         ~PropertyHandler();
 120
 121         // default implementations for XPropertyHandler
 122         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);
 123         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property > SAL_CALL getSupportedProperties() throw (::com::sun::star::uno::RuntimeException);
 124         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupersededProperties( ) throw (::com::sun::star::uno::RuntimeException);
 125         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getActuatingProperties( ) throw (::com::sun::star::uno::RuntimeException);
 126         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);
 127         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);
 128         virtual ::com::sun::star::beans::PropertyState  SAL_CALL getPropertyState( const ::rtl::OUString& _rPropertyName ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 129         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);
 130         virtual ::sal_Bool SAL_CALL isComposable( const ::rtl::OUString& _rPropertyName ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException);
 131         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);
 132         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);
 133         virtual void SAL_CALL addPropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ) throw (::com::sun::star::uno::RuntimeException);
 134         virtual void SAL_CALL removePropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ) throw (::com::sun::star::uno::RuntimeException);
 135         virtual sal_Bool SAL_CALL suspend( sal_Bool _bSuspend ) throw (::com::sun::star::uno::RuntimeException);
 136
 137         // XComponent
 138         DECLARE_XCOMPONENT()
 139         virtual void SAL_CALL disposing();
 140
 141         // own overridables
 142         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::Property >
 143                     SAL_CALL doDescribeSupportedProperties() const = 0;
 144
 145         /// called when XPropertyHandler::inspect has been called, and we thus have a new component to inspect
 146         virtual void onNewComponent();
 147
 148     protected:
 149         /** fires the change in a property value to our listener (if any)
 150             @see addPropertyChangeListener
 151         */
 152         void    firePropertyChange( const ::rtl::OUString& _rPropName, PropertyId _nPropId,
 153                     const ::com::sun::star::uno::Any& _rOldValue, const ::com::sun::star::uno::Any& _rNewValue ) SAL_THROW(());
 154
 155         /** retrieves a window which can be used as parent for dialogs
 156         */
 157         Window* impl_getDefaultDialogParent_nothrow() const;
 158
 159         /** retrieves the property id for a given property name
 160             @throw com::sun::star::beans::UnknownPropertyException
 161                 if the property name is not known to our ->m_pInfoService
 162         */
 163         PropertyId impl_getPropertyId_throw( const ::rtl::OUString& _rPropertyName ) const;
 164
 165         //-------------------------------------------------------------------------------
 166         // helper for implementing doDescribeSupportedProperties
 167         /** adds a description for the given string property to the given property vector
 168             Most probably to be called from within getSupportedProperties
 169         */
 170         inline void addStringPropertyDescription(
 171                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 172                     const ::rtl::OUString& _rPropertyName,
 173                     sal_Int16 _nAttribs = 0
 174                 ) const;
 175
 176         /** adds a description for the given int32 property to the given property vector
 177         */
 178         inline void addInt32PropertyDescription(
 179                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 180                     const ::rtl::OUString& _rPropertyName,
 181                     sal_Int16 _nAttribs = 0
 182                 ) const;
 183
 184         /** adds a description for the given int16 property to the given property vector
 185         */
 186         inline void addInt16PropertyDescription(
 187                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 188                     const ::rtl::OUString& _rPropertyName,
 189                     sal_Int16 _nAttribs = 0
 190                 ) const;
 191
 192         /** adds a description for the given double property to the given property vector
 193         */
 194         inline void addDoublePropertyDescription(
 195                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 196                     const ::rtl::OUString& _rPropertyName,
 197                     sal_Int16 _nAttribs = 0
 198                 ) const;
 199
 200         /** adds a description for the given date property to the given property vector
 201         */
 202         inline void addDatePropertyDescription(
 203                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 204                     const ::rtl::OUString& _rPropertyName,
 205                     sal_Int16 _nAttribs = 0
 206                 ) const;
 207
 208         /** adds a description for the given time property to the given property vector
 209         */
 210         inline void addTimePropertyDescription(
 211                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 212                     const ::rtl::OUString& _rPropertyName,
 213                     sal_Int16 _nAttribs = 0
 214                 ) const;
 215
 216         /** adds a description for the given DateTime property to the given property vector
 217         */
 218         inline void addDateTimePropertyDescription(
 219                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 220                     const ::rtl::OUString& _rPropertyName,
 221                     sal_Int16 _nAttribs = 0
 222                 ) const;
 223
 224         /// adds a Property, given by name only, to a given vector of Properties
 225         void implAddPropertyDescription(
 226                     ::std::vector< ::com::sun::star::beans::Property >& _rProperties,
 227                     const ::rtl::OUString& _rPropertyName,
 228                     const ::com::sun::star::uno::Type& _rType,
 229                     sal_Int16 _nAttribs = 0
 230                 ) const;
 231
 232         //-------------------------------------------------------------------------------
 233         // helper for accessing and maintaining meta data about our supported properties
 234
 235         /** retrieves a property given by handle
 236
 237             @return
 238                 a pointer to the descriptor for the given properties, if it is one of our
 239                 supported properties, <NULL/> else.
 240
 241             @see doDescribeSupportedProperties
 242             @see impl_getPropertyFromId_throw
 243         */
 244         const ::com::sun::star::beans::Property*
 245                     impl_getPropertyFromId_nothrow( PropertyId _nPropId ) const;
 246
 247         /** retrieves a property given by handle
 248
 249             @throws UnknownPropertyException
 250                 if the handler does not support a property with the given handle
 251
 252             @seealso doDescribeSupportedProperties
 253             @see impl_getPropertyFromId_nothrow
 254         */
 255         const ::com::sun::star::beans::Property&
 256                     impl_getPropertyFromId_throw( PropertyId _nPropId ) const;
 257
 258         /** determines whether a given property id is part of our supported properties
 259             @see getSupportedProperties
 260             @see doDescribeSupportedProperties
 261         */
 262         inline bool impl_isSupportedProperty_nothrow( PropertyId _nPropId ) const
 263         {
 264             return impl_getPropertyFromId_nothrow( _nPropId ) != NULL;
 265         }
 266
 267         /** retrieves a property given by name
 268
 269             @throws UnknownPropertyException
 270                 if the handler does not support a property with the given name
 271
 272             @seealso doDescribeSupportedProperties
 273         */
 274         const ::com::sun::star::beans::Property&
 275                     impl_getPropertyFromName_throw( const ::rtl::OUString& _rPropertyName ) const;
 276
 277         /** get the name of a property given by handle
 278         */
 279         inline ::rtl::OUString
 280                     impl_getPropertyNameFromId_nothrow( PropertyId _nPropId ) const;
 281
 282         /** returns the value of the ContextDocument property in the ComponentContext which was used to create
 283             this handler.
 284         */
 285         inline ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >
 286                     impl_getContextDocument_nothrow() const
 287         {
 288             return ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >(
 289                 m_aContext.getContextValueByAsciiName( "ContextDocument" ), ::com::sun::star::uno::UNO_QUERY );
 290         }
 291
 292         /** marks the context document as modified
 293
 294             @see impl_getContextDocument_nothrow
 295         */
 296         void impl_setContextDocumentModified_nothrow() const;
 297
 298         /// determines whether our component has a given property
 299         bool impl_componentHasProperty_throw( const ::rtl::OUString& _rPropName ) const;
 300
 301         /** determines the default measure unit for the document in which our component lives
 302         */
 303         sal_Int16 impl_getDocumentMeasurementUnit_throw() const;
 304
 305     private:
 306         PropertyHandler();                                    // never implemented
 307         PropertyHandler( const PropertyHandler& );            // never implemented
 308         PropertyHandler& operator=( const PropertyHandler& ); // never implemented
 309     };
 310
 311     //--------------------------------------------------------------------
 312     inline void PropertyHandler::addStringPropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 313     {
 314         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< ::rtl::OUString* >( NULL ) ), _nAttribs );
 315     }
 316
 317     inline void PropertyHandler::addInt32PropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 318     {
 319         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< sal_Int32* >( NULL ) ), _nAttribs );
 320     }
 321
 322     inline void PropertyHandler::addInt16PropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 323     {
 324         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< sal_Int16* >( NULL ) ), _nAttribs );
 325     }
 326
 327     inline void PropertyHandler::addDoublePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 328     {
 329         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< double* >( NULL ) ), _nAttribs );
 330     }
 331
 332     inline void PropertyHandler::addDatePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 333     {
 334         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::Date* >( NULL ) ), _nAttribs );
 335     }
 336
 337     inline void PropertyHandler::addTimePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 338     {
 339         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::Time* >( NULL ) ), _nAttribs );
 340     }
 341
 342     inline void PropertyHandler::addDateTimePropertyDescription( ::std::vector< ::com::sun::star::beans::Property >& _rProperties, const ::rtl::OUString& _rPropertyName, sal_Int16 _nAttribs ) const
 343     {
 344         implAddPropertyDescription( _rProperties, _rPropertyName, ::getCppuType( static_cast< com::sun::star::util::DateTime* >( NULL ) ), _nAttribs );
 345     }
 346
 347     inline ::rtl::OUString PropertyHandler::impl_getPropertyNameFromId_nothrow( PropertyId _nPropId ) const
 348     {
 349         const ::com::sun::star::beans::Property* pProp = impl_getPropertyFromId_nothrow( _nPropId );
 350         return pProp ? pProp->Name : ::rtl::OUString();
 351     }
 352
 353     //====================================================================
 354     //= PropertyHandlerComponent
 355     //====================================================================
 356     typedef ::cppu::ImplHelper1 <   ::com::sun::star::lang::XServiceInfo
 357                                 >   PropertyHandlerComponent_Base;
 358     /** PropertyHandler implementation which additionally supports XServiceInfo
 359     */
 360     class PropertyHandlerComponent  :public PropertyHandler
 361                                     ,public PropertyHandlerComponent_Base
 362     {
 363     protected:
 364         PropertyHandlerComponent(
 365             const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext
 366         );
 367
 368         DECLARE_XINTERFACE()
 369         DECLARE_XTYPEPROVIDER()
 370
 371         // XServiceInfo
 372         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException) = 0;
 373         virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
 374         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException) = 0;
 375     };
 376
 377     //====================================================================
 378     //= HandlerComponentBase
 379     //====================================================================
 380     /** a PropertyHandlerComponent implementation which routes XServiceInfo::getImplementationName and
 381         XServiceInfo::getSupportedServiceNames to static versions of those methods, which are part of
 382         the derived class.
 383
 384         Additionally, a method <member>Create</member> is provided which takes a component context, and returns a new
 385         instance of the derived class. This <member>Create</member> is used to register the implementation
 386         of the derived class at the <type>PcrModule</type>.
 387
 388         Well, every time we're talking about derived class, we in fact mean the template argument of
 389         <type>HandlerComponentBase</type>. But usually this equals your derived class:
 390         <pre>
 391         class MyHandler;
 392         typedef HandlerComponentBase< MyHandler > MyHandler_Base;
 393         class MyHandler : MyHandler_Base
 394         {
 395             ...
 396         public:
 397             static ::rtl::OUString SAL_CALL getImplementationName_static(  ) throw (::com::sun::star::uno::RuntimeException);
 398             static ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames_static(  ) throw (::com::sun::star::uno::RuntimeException);
 399         };
 400         </pre>
 401     */
 402     template < class HANDLER >
 403     class HandlerComponentBase : public PropertyHandlerComponent
 404     {
 405     protected:
 406         HandlerComponentBase( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext )
 407             :PropertyHandlerComponent( _rxContext )
 408         {
 409         }
 410
 411     protected:
 412         // XServiceInfo
 413         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException);
 414         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);
 415         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 );
 416
 417     public:
 418         /** registers the implementation of HANDLER at the <type>PcrModule</type>
 419         */
 420         static void registerImplementation();
 421     };
 422
 423     //--------------------------------------------------------------------
 424     template < class HANDLER >
 425     ::rtl::OUString SAL_CALL HandlerComponentBase< HANDLER >::getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException)
 426     {
 427         return HANDLER::getImplementationName_static();
 428     }
 429
 430     //--------------------------------------------------------------------
 431     template < class HANDLER >
 432     ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL HandlerComponentBase< HANDLER >::getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException)
 433     {
 434         return HANDLER::getSupportedServiceNames_static();
 435     }
 436
 437     //--------------------------------------------------------------------
 438     template < class HANDLER >
 439     void HandlerComponentBase< HANDLER >::registerImplementation()
 440     {
 441         PcrModule::getInstance().registerImplementation(
 442             HANDLER::getImplementationName_static(),
 443             HANDLER::getSupportedServiceNames_static(),
 444             HANDLER::Create
 445         );
 446     }
 447
 448     //--------------------------------------------------------------------
 449     template < class HANDLER >
 450     ::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 )
 451     {
 452         return *( new HANDLER( _rxContext ) );
 453     }
 454
 455 //........................................................................
 456 } // namespace pcr
 457 //........................................................................
 458
 459 #endif // EXTENSIONS_SOURCE_PROPCTRLR_PROPERTYHANDLER_HXX
 460