OpenOffice：在sw模块中插入OLE对象，并调整其大小

接口：::rtl::OUString SAL_CALL SwXTextDocument::InsertOLERetNameSize(const ::rtl::OUString& aPathName, const float fOleWidth, const float fOleHeight)throw (::com::sun::star::uno::RuntimeException)


1.当aPathName的值为NULL时，插入的是空白的OLE，插入方法为：

(1)首先获取插入对象的ID， 然后直接调用CreateEmbeddedObject（）；

svt::EmbeddedObjectRef xObj;
				uno::Reference < embed::XStorage > xStor = comphelper::OStorageHelper::GetTemporaryStorage();
				comphelper::EmbeddedObjectContainer aCnt(xStor);
				::rtl::OUString aName = aCnt.CreateUniqueObjectName();
				bool bInsert = false;

				uno::Reference < embed::XEmbeddedObject > m_xObj;
                                //获取插入对象的ID
				String aServerName = String( ::rtl::OStringToOUString( ::rtl::OString("病历通 3.0 绘图"),RTL_TEXTENCODING_GBK ) ); 
				SvObjectServerList aServerList;
				aServerList.FillInsertObjects();
                                aServerList.Remove( SwDocShell::Factory().GetClassId() );
				const SvObjectServer* pS = aServerList.Get( aServerName );
                                //生成一个对象
				m_xObj = aCnt.CreateEmbeddedObject( pS->GetClassName().GetByteSequence(), aName );

				if ( m_xObj.is() )
				{
                                    xObj.Assign( m_xObj, embed::Aspects::MSOLE_CONTENT );
				    bInsert = rSh.InsertOleObject( xObj );
                                }        

 

 （2） 获取插入对象的ID，然后通过embed::XEmbedObjectCreator对象来生成embed::XEmbeddedObject；

svt::EmbeddedObjectRef xObj;
				uno::Reference < embed::XStorage > xStor = comphelper::OStorageHelper::GetTemporaryStorage();
				comphelper::EmbeddedObjectContainer aCnt(xStor);
				::rtl::OUString aName = aCnt.CreateUniqueObjectName();
				bool bInsert = false;

                                //获取插入对象的ID
				String aServerName = String( ::rtl::OStringToOUString( ::rtl::OString("病历通 3.0 绘图"),RTL_TEXTENCODING_GBK ) ); 
				SvObjectServerList aServerList;
				aServerList.FillInsertObjects();
                                aServerList.Remove( SwDocShell::Factory().GetClassId() );
				const SvObjectServer* pS = aServerList.Get( aServerName );
                                uno::Sequence < sal_Int8 > aClass( pS->GetClassName().GetByteSequence() );

                                //生成对象
                                uno::Reference < embed::XEmbedObjectCreator > xFactory( ::comphelper::getProcessServiceFactory()->createInstance(
                                                ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.embed.EmbeddedObjectCreator")) ), uno::UNO_QUERY );
                                uno::Reference < embed::XEmbeddedObject > m_xObj = uno::Reference < embed::XEmbeddedObject >( xFactory->createInstanceInitNew(
                                                                                        aClass, ::rtl::OUString(), xStor, aName,
                                                                                        uno::Sequence < beans::PropertyValue >() ), uno::UNO_QUERY );
				if ( m_xObj.is() )
				{
				    xObj.Assign( m_xObj, embed::Aspects::MSOLE_CONTENT );
				    bInsert = rSh.InsertOleObject( xObj );
                                }

 

     总结：其实，通过断点调试可以看出，第一种方法还是通过第二种方法实现的，只是把第二种方法封装了一下。

 2. 调整插入OLE的大小

  （1） 调用sw\source\filter\xml\xmltexti.cxx中的函数： void lcl_setObjectVisualArea( const uno::Reference< embed::XEmbeddedObject >& xObj,
                                                                                                                        sal_Int64 nAspect, const Size& aVisSize,   const MapUnit& aUnit )

  （2）m_xObj->setVisualAreaSize( ...)

   （3）xObj->setVisualAreaSize( ...)

    总结：说到底，以上三个调用函数最终调用的还是OCommonEmbeddedObject类 中的函数
virtual void SAL_CALL setVisualAreaSize( sal_Int64 nAspect, const ::com::sun::star::awt::Size& aSize )
        throw ( ::com::sun::star::lang::IllegalArgumentException,
                ::com::sun::star::embed::WrongStateException,
                ::com::sun::star::uno::Exception,
                ::com::sun::star::uno::RuntimeException );