libreoffice/svx/source/form/fmdocumentclassification.cxx

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#include "fmdocumentclassification.hxx"
#include "svx/dbtoolsclient.hxx"

/** === begin UNO includes === **/
#include <com/sun/star/container/XChild.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/xforms/XFormsSupplier.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <com/sun/star/frame/XModule.hpp>
/** === end UNO includes === **/

#include <tools/diagnose_ex.h>

//........................................................................
namespace svxform
{
//........................................................................

    namespace
    {
        using ::com::sun::star::uno::Reference;
        using ::com::sun::star::uno::XInterface;
        using ::com::sun::star::container::XChild;
        using ::com::sun::star::frame::XModel;
        using ::com::sun::star::uno::UNO_QUERY;
        using ::com::sun::star::frame::XModule;

        //....................................................................
        template< class TYPE >
        Reference< TYPE > getTypedModelNode( const Reference< XInterface >& _rxModelNode )
        {
            Reference< TYPE > xTypedNode( _rxModelNode, UNO_QUERY );
            if ( xTypedNode.is() )
                return xTypedNode;
            else
            {
                Reference< XChild > xChild( _rxModelNode, UNO_QUERY );
                if ( xChild.is() )
                    return getTypedModelNode< TYPE >( xChild->getParent() );
                else
                    return Reference< TYPE >();
            }
        }

        //....................................................................
        Reference< XModel > getDocument( const Reference< XInterface >& _rxModelNode )
        {
            return getTypedModelNode< XModel >( _rxModelNode );
        }
    }

    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::frame;
    using namespace ::com::sun::star::lang;
    using namespace ::com::sun::star::xforms;
    using namespace ::com::sun::star::container;
    using namespace ::com::sun::star::sdbc;

    //====================================================================
    //====================================================================
    namespace
    {
        //----------------------------------------------------------------
        struct ModuleInfo
        {
            const sal_Char* pAsciiModuleOrServiceName;
            DocumentType    eType;
        };

        //----------------------------------------------------------------
        const ModuleInfo* lcl_getModuleInfo()
        {
            static const ModuleInfo aModuleInfo[] =
            {
                { "com.sun.star.text.TextDocument", eTextDocument },
                { "com.sun.star.text.WebDocument", eWebDocument },
                { "com.sun.star.sheet.SpreadsheetDocument", eSpreadsheetDocument },
                { "com.sun.star.drawing.DrawingDocument", eDrawingDocument },
                { "com.sun.star.presentation.PresentationDocument", ePresentationDocument },
                { "com.sun.star.xforms.XMLFormDocument", eEnhancedForm },
                { "com.sun.star.sdb.FormDesign", eDatabaseForm },
                { "com.sun.star.sdb.TextReportDesign", eDatabaseReport },
                { "com.sun.star.text.GlobalDocument", eTextDocument },
                { NULL, eUnknownDocumentType }
            };
            return aModuleInfo;
        }
    }

    //====================================================================
    //= DocumentClassification
    //====================================================================
    //--------------------------------------------------------------------
    DocumentType DocumentClassification::classifyDocument( const Reference< XModel >& _rxDocumentModel ) SAL_THROW(())
    {
        DocumentType eType( eUnknownDocumentType );

        OSL_ENSURE( _rxDocumentModel.is(), "DocumentClassification::classifyDocument: invalid document!" );
        if ( !_rxDocumentModel.is() )
            return eType;

        try
        {
            // first, check whether the document has a ModuleIdentifier which we know
            ::rtl::OUString sModuleIdentifier;
            Reference< XModule > xModule( _rxDocumentModel, UNO_QUERY );
            if ( xModule.is() )
                eType = getDocumentTypeForModuleIdentifier( xModule->getIdentifier() );
            if ( eType != eUnknownDocumentType )
                return eType;

            // second, check whether it supports one of the services we know
            Reference< XServiceInfo > xSI( _rxDocumentModel, UNO_QUERY_THROW );
            const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
            while ( pModuleInfo->pAsciiModuleOrServiceName )
            {
                if ( xSI->supportsService( ::rtl::OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName ) ) )
                    return pModuleInfo->eType;
                ++pModuleInfo;
            }

            // last: uhm, there is no last resort
            OSL_FAIL( "DocumentClassification::classifyDocument: unknown document!" );
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
        }

        return eType;
    }

    //--------------------------------------------------------------------
    DocumentType DocumentClassification::classifyHostDocument( const Reference< XInterface >& _rxFormComponent ) SAL_THROW(())
    {
        DocumentType eType( eUnknownDocumentType );

        try
        {
            Reference< XModel > xDocument( getDocument( _rxFormComponent.get() ) );
            if ( !xDocument.is() )
                return eUnknownDocumentType;
            eType = classifyDocument( xDocument );
        }
        catch( const Exception& )
        {
            OSL_FAIL( "DocumentClassification::classifyHostDocument: caught an exception!" );
        }

        return eType;
    }

    //--------------------------------------------------------------------
    DocumentType DocumentClassification::getDocumentTypeForModuleIdentifier( const ::rtl::OUString& _rModuleIdentifier )
    {
        const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
        while ( pModuleInfo->pAsciiModuleOrServiceName )
        {
            if ( _rModuleIdentifier.equalsAscii( pModuleInfo->pAsciiModuleOrServiceName ) )
                return pModuleInfo->eType;
            ++pModuleInfo;
        }
        return eUnknownDocumentType;
    }

    //--------------------------------------------------------------------
    ::rtl::OUString DocumentClassification::getModuleIdentifierForDocumentType( DocumentType _eType )
    {
        const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
        while ( pModuleInfo->pAsciiModuleOrServiceName )
        {
            if ( pModuleInfo->eType == _eType )
                return ::rtl::OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName );
            ++pModuleInfo;
        }
        return ::rtl::OUString();
    }

//........................................................................
} // namespace svxform
//........................................................................

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