xref: /trunk/main/basic/source/uno/dlgcont.cxx (revision e1f63238)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basic.hxx"
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/xml/sax/XParser.hpp>
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>
#include "com/sun/star/resource/XStringResourceWithStorage.hpp"
#include "com/sun/star/resource/XStringResourceWithLocation.hpp"
#include "dlgcont.hxx"
#include "sbmodule.hxx"
#include <comphelper/processfactory.hxx>
#include <unotools/streamwrap.hxx>
#include <osl/mutex.hxx>

#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <unotools/pathoptions.hxx>
#include <xmlscript/xmldlg_imexp.hxx>
#include <cppuhelper/factory.hxx>
#include <svtools/sfxecode.hxx>
#include <svtools/ehdl.hxx>


namespace basic
{

using namespace com::sun::star::document;
using namespace com::sun::star::container;
using namespace com::sun::star::io;
using namespace com::sun::star::uno;
using namespace com::sun::star::ucb;
using namespace com::sun::star::lang;
using namespace com::sun::star::script;
using namespace com::sun::star::xml::sax;
using namespace com::sun::star;
using namespace cppu;
using namespace rtl;
using namespace osl;

using com::sun::star::uno::Reference;

//============================================================================
// Implementation class SfxDialogLibraryContainer

const sal_Char* SAL_CALL SfxDialogLibraryContainer::getInfoFileName() const { return "dialog"; }
const sal_Char* SAL_CALL SfxDialogLibraryContainer::getOldInfoFileName() const { return "dialogs"; }
const sal_Char* SAL_CALL SfxDialogLibraryContainer::getLibElementFileExtension() const { return "xdl"; }
const sal_Char* SAL_CALL SfxDialogLibraryContainer::getLibrariesDir() const { return "Dialogs"; }

// Ctor for service
SfxDialogLibraryContainer::SfxDialogLibraryContainer( void )
{
    // all initialisation has to be done
    // by calling XInitialization::initialize
}

SfxDialogLibraryContainer::SfxDialogLibraryContainer( const uno::Reference< embed::XStorage >& xStorage )
{
    init( OUString(), xStorage );
}

// Methods to get library instances of the correct type
SfxLibrary* SfxDialogLibraryContainer::implCreateLibrary( const ::rtl::OUString& aName )
{
	SfxLibrary* pRet = new SfxDialogLibrary( maModifiable, aName, mxMSF, mxSFI, this );
	return pRet;
}

SfxLibrary* SfxDialogLibraryContainer::implCreateLibraryLink
	( const ::rtl::OUString& aName, const OUString& aLibInfoFileURL,
	  const OUString& StorageURL, sal_Bool ReadOnly )
{
	SfxLibrary* pRet = new SfxDialogLibrary
            ( maModifiable, aName, mxMSF, mxSFI, aLibInfoFileURL, StorageURL, ReadOnly, this );
	return pRet;
}

Any SAL_CALL SfxDialogLibraryContainer::createEmptyLibraryElement( void )
{
	Reference< XInputStreamProvider > xISP;
	Any aRetAny;
	aRetAny <<= xISP;
	return aRetAny;
}

bool SAL_CALL SfxDialogLibraryContainer::isLibraryElementValid( Any aElement ) const
{
    return SfxDialogLibrary::containsValidDialog( aElement );
}

bool writeOasis2OOoLibraryElement(
	Reference< XInputStream > xInput, Reference< XOutputStream > xOutput )
{
	Reference< XMultiServiceFactory > xMSF(
		comphelper::getProcessServiceFactory() );

    Reference< XComponentContext > xContext;
    Reference< beans::XPropertySet > xProps( xMSF, UNO_QUERY );
    OSL_ASSERT( xProps.is() );
    OSL_VERIFY( xProps->getPropertyValue(
		OUString::createFromAscii(("DefaultContext")) ) >>= xContext );

	Reference< lang::XMultiComponentFactory > xSMgr(
		xContext->getServiceManager() );

	if (! xSMgr.is())
	{
		return sal_False;
	}

	Reference< xml::sax::XParser > xParser(
		xSMgr->createInstanceWithContext(
            OUString( RTL_CONSTASCII_USTRINGPARAM(
				"com.sun.star.xml.sax.Parser" ) ),
			xContext ),
		UNO_QUERY );

	Reference< xml::sax::XExtendedDocumentHandler > xWriter(
		xSMgr->createInstanceWithContext(
            OUString( RTL_CONSTASCII_USTRINGPARAM(
				"com.sun.star.xml.sax.Writer" ) ),
			xContext ),
		UNO_QUERY );

	Reference< io::XActiveDataSource > xSource( xWriter, UNO_QUERY );
	xSource->setOutputStream( xOutput );

	if ( !xParser.is() || !xWriter.is() )
	{
		return sal_False;
	}

    Sequence<Any> aArgs( 1 );
    aArgs[0] <<= xWriter;

    Reference< xml::sax::XDocumentHandler > xHandler(
        xSMgr->createInstanceWithArgumentsAndContext(
            OUString( RTL_CONSTASCII_USTRINGPARAM(
                "com.sun.star.comp.Oasis2OOoTransformer" ) ),
            aArgs, xContext ),
        UNO_QUERY );

	xParser->setDocumentHandler( xHandler );

	xml::sax::InputSource source;
	source.aInputStream = xInput;
	source.sSystemId = OUString::createFromAscii( "virtual file" );

	xParser->parseStream( source );

	return sal_True;
}

void SAL_CALL SfxDialogLibraryContainer::writeLibraryElement
(
	const Reference < XNameContainer >& xLib,
	const OUString& aElementName,
	const Reference< XOutputStream >& xOutput
)
	throw(Exception)
{
	Any aElement = xLib->getByName( aElementName );
	Reference< XInputStreamProvider > xISP;
	aElement >>= xISP;
	if( !xISP.is() )
		return;

	Reference< XInputStream > xInput( xISP->createInputStream() );

	bool bComplete = sal_False;
	if ( mbOasis2OOoFormat )
	{
		bComplete = writeOasis2OOoLibraryElement( xInput, xOutput );
	}

	if ( bComplete == sal_False )
	{
		Sequence< sal_Int8 > bytes;
		sal_Int32 nRead = xInput->readBytes( bytes, xInput->available() );
		for (;;)
		{
			if( nRead )
				xOutput->writeBytes( bytes );

			nRead = xInput->readBytes( bytes, 1024 );
			if (! nRead)
				break;
		}
	}
	xInput->closeInput();
}

void SfxDialogLibraryContainer::storeLibrariesToStorage( const uno::Reference< embed::XStorage >& xStorage ) throw ( RuntimeException )
{
    LibraryContainerMethodGuard aGuard( *this );
	mbOasis2OOoFormat = sal_False;

	if ( mxStorage.is() && xStorage.is() )
	{
		try
		{
			long nSource = SotStorage::GetVersion( mxStorage );
			long nTarget = SotStorage::GetVersion( xStorage );

			if ( nSource == SOFFICE_FILEFORMAT_CURRENT &&
				nTarget != SOFFICE_FILEFORMAT_CURRENT )
			{
				mbOasis2OOoFormat = sal_True;
			}
		}
		catch ( Exception& )
		{
			// if we cannot get the version then the
			// Oasis2OOoTransformer will not be used
			OSL_ASSERT(sal_False);
		}
	}

	SfxLibraryContainer::storeLibrariesToStorage( xStorage );

	mbOasis2OOoFormat = sal_False;
}


Any SAL_CALL SfxDialogLibraryContainer::importLibraryElement
	( const Reference < XNameContainer >& /*xLib*/,
	  const OUString& /*aElementName */, const OUString& aFile,
	  const uno::Reference< io::XInputStream >& xElementStream )
{
	Any aRetAny;

	// TODO: Member because later it will be a component
	//Reference< XMultiServiceFactory > xMSF( comphelper::getProcessServiceFactory() );
	//if( !xMSF.is() )
	//{
	//	OSL_ENSURE( 0, "### couln't get ProcessServiceFactory\n" );
	//	return aRetAny;
	//}

	Reference< XParser > xParser( mxMSF->createInstance(
		OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.xml.sax.Parser") ) ), UNO_QUERY );
	if( !xParser.is() )
	{
		OSL_ENSURE( 0, "### couln't create sax parser component\n" );
		return aRetAny;
	}

	Reference< XNameContainer > xDialogModel( mxMSF->createInstance
		( OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.awt.UnoControlDialogModel" ) ) ), UNO_QUERY );
	if( !xDialogModel.is() )
	{
		OSL_ENSURE( 0, "### couln't create com.sun.star.awt.UnoControlDialogModel component\n" );
		return aRetAny;
	}

	// Read from storage?
	sal_Bool bStorage = xElementStream.is();
	Reference< XInputStream > xInput;

	if( bStorage )
	{
		xInput = xElementStream;
	}
	else
	{
		try
		{
			xInput = mxSFI->openFileRead( aFile );
		}
		catch( Exception& )
		//catch( Exception& e )
		{
			// TODO:
			//throw WrappedTargetException( e );
		}
	}
	if( !xInput.is() )
		return aRetAny;

    Reference< XComponentContext > xContext;
    Reference< beans::XPropertySet > xProps( mxMSF, UNO_QUERY );
    OSL_ASSERT( xProps.is() );
    OSL_VERIFY( xProps->getPropertyValue( OUString(RTL_CONSTASCII_USTRINGPARAM("DefaultContext")) ) >>= xContext );

	InputSource source;
	source.aInputStream = xInput;
	source.sSystemId 	= aFile;

	try {
		// start parsing
		xParser->setDocumentHandler( ::xmlscript::importDialogModel( xDialogModel, xContext ) );
		xParser->parseStream( source );
	}
	catch( Exception& )
	{
		OSL_ENSURE( 0, "Parsing error\n" );
		SfxErrorContext aEc( ERRCTX_SFX_LOADBASIC, aFile );
        sal_uIntPtr nErrorCode = ERRCODE_IO_GENERAL;
        ErrorHandler::HandleError( nErrorCode );
		return aRetAny;
	}

	// Create InputStream, TODO: Implement own InputStreamProvider
	// to avoid creating the DialogModel here!
	Reference< XInputStreamProvider > xISP = ::xmlscript::exportDialogModel( xDialogModel, xContext );
	aRetAny <<= xISP;
	return aRetAny;
}

void SAL_CALL SfxDialogLibraryContainer::importFromOldStorage( const OUString& )
{
    // Nothing to do here, old dialogs cannot be imported
}

SfxLibraryContainer* SfxDialogLibraryContainer::createInstanceImpl( void )
{
    return new SfxDialogLibraryContainer();
}


static OUString aResourceFileNameBase = OUString::createFromAscii( "DialogStrings" );
static OUString aResourceFileCommentBase = OUString::createFromAscii( "# Strings for Dialog Library " );

// Resource handling
Reference< ::com::sun::star::resource::XStringResourcePersistence >
	SfxDialogLibraryContainer::implCreateStringResource( SfxDialogLibrary* pDialogLibrary )
{
	Reference< resource::XStringResourcePersistence > xRet;
	OUString aLibName = pDialogLibrary->getName();
	bool bReadOnly = pDialogLibrary->mbReadOnly;

	// get ui locale
	::com::sun	::star::lang::Locale aLocale = Application::GetSettings().GetUILocale();

	OUString aComment = aResourceFileCommentBase;
	aComment += aLibName;

	sal_Bool bStorage = mxStorage.is();
	if( bStorage )
	{
		Sequence<Any> aArgs( 5 );
		aArgs[1] <<= bReadOnly;
		aArgs[2] <<= aLocale;
		aArgs[3] <<= aResourceFileNameBase;
		aArgs[4] <<= aComment;

		// TODO: Ctor
		xRet = Reference< resource::XStringResourcePersistence >( mxMSF->createInstance
			( OUString::createFromAscii( "com.sun.star.resource.StringResourceWithStorage" ) ), UNO_QUERY );

		uno::Reference< embed::XStorage > xLibrariesStor;
		uno::Reference< embed::XStorage > xLibraryStor;
		try {
			xLibrariesStor = mxStorage->openStorageElement( maLibrariesDir, embed::ElementModes::READ );
				// TODO: Should be READWRITE with new storage concept using store() instead of storeTo()
			if ( !xLibrariesStor.is() )
				throw uno::RuntimeException();

			xLibraryStor = xLibrariesStor->openStorageElement( aLibName, embed::ElementModes::READ );
				// TODO: Should be READWRITE with new storage concept using store() instead of storeTo()
			if ( !xLibraryStor.is() )
				throw uno::RuntimeException();

			aArgs[0] <<= xLibraryStor;
		}
		catch( uno::Exception& )
		{
			// TODO: Error handling?
			return xRet;
		}

		// TODO: Ctor
		if( xRet.is() )
		{
			Reference< XInitialization > xInit( xRet, UNO_QUERY );
			if( xInit.is() )
				xInit->initialize( aArgs );
		}
	}
	else
	{
		Sequence<Any> aArgs( 6 );

		OUString aLocation = createAppLibraryFolder( pDialogLibrary, aLibName );
		aArgs[0] <<= aLocation;
		aArgs[1] <<= bReadOnly;
		aArgs[2] <<= aLocale;
		aArgs[3] <<= aResourceFileNameBase;
		aArgs[4] <<= aComment;

		// TODO: Real handler?
		Reference< task::XInteractionHandler > xDummyHandler;
		aArgs[5] <<= xDummyHandler;

		// TODO: Ctor
		xRet = Reference< resource::XStringResourcePersistence >( mxMSF->createInstance
			( OUString::createFromAscii( "com.sun.star.resource.StringResourceWithLocation" ) ), UNO_QUERY );

		// TODO: Ctor
		if( xRet.is() )
		{
			Reference< XInitialization > xInit( xRet, UNO_QUERY );
			if( xInit.is() )
				xInit->initialize( aArgs );
		}
	}

	return xRet;
}

void SfxDialogLibraryContainer::onNewRootStorage()
{
	// the library container is not modified, go through the libraries and check whether they are modified
	Sequence< OUString > aNames = maNameContainer.getElementNames();
	const OUString* pNames = aNames.getConstArray();
	sal_Int32 nNameCount = aNames.getLength();

	for( sal_Int32 i = 0 ; i < nNameCount ; i++ )
	{
		OUString aName = pNames[ i ];
        SfxDialogLibrary* pDialogLibrary = static_cast<SfxDialogLibrary*>( getImplLib( aName ) );

		Reference< resource::XStringResourcePersistence > xStringResourcePersistence =
			pDialogLibrary->getStringResourcePersistence();

		if( xStringResourcePersistence.is() )
		{
			Reference< embed::XStorage > xLibrariesStor;
			Reference< embed::XStorage > xLibraryStor;
			try {
				xLibrariesStor = mxStorage->openStorageElement( maLibrariesDir, embed::ElementModes::READWRITE );
				if ( !xLibrariesStor.is() )
					throw uno::RuntimeException();

				OUString aLibName = pDialogLibrary->getName();
				xLibraryStor = xLibrariesStor->openStorageElement( aLibName, embed::ElementModes::READWRITE );
				if ( !xLibraryStor.is() )
					throw uno::RuntimeException();

				Reference< resource::XStringResourceWithStorage >
					xStringResourceWithStorage( xStringResourcePersistence, UNO_QUERY );
				if( xStringResourceWithStorage.is() )
					xStringResourceWithStorage->setStorage( xLibraryStor );
			}
			catch( uno::Exception& )
			{
				// TODO: Error handling?
			}
		}
	}
}


//============================================================================
// Service

void createRegistryInfo_SfxDialogLibraryContainer()
{
    static OAutoRegistration< SfxDialogLibraryContainer > aAutoRegistration;
}

::rtl::OUString SAL_CALL SfxDialogLibraryContainer::getImplementationName( ) throw (RuntimeException)
{
    return getImplementationName_static();
}

Sequence< ::rtl::OUString > SAL_CALL SfxDialogLibraryContainer::getSupportedServiceNames( ) throw (RuntimeException)
{
    return getSupportedServiceNames_static();
}

Sequence< OUString > SfxDialogLibraryContainer::getSupportedServiceNames_static()
{
    Sequence< OUString > aServiceNames( 2 );
    aServiceNames[0] = OUString::createFromAscii( "com.sun.star.script.DocumentDialogLibraryContainer" );
    // plus, for compatibility:
    aServiceNames[1] = OUString::createFromAscii( "com.sun.star.script.DialogLibraryContainer" );
    return aServiceNames;
}

OUString SfxDialogLibraryContainer::getImplementationName_static()
{
    static OUString aImplName;
    static sal_Bool bNeedsInit = sal_True;

	MutexGuard aGuard( Mutex::getGlobalMutex() );
    if( bNeedsInit )
    {
        aImplName = OUString::createFromAscii( "com.sun.star.comp.sfx2.DialogLibraryContainer" );
        bNeedsInit = sal_False;
    }
    return aImplName;
}

Reference< XInterface > SAL_CALL SfxDialogLibraryContainer::Create( const Reference< XComponentContext >& ) throw( Exception )
{
    Reference< XInterface > xRet =
        static_cast< XInterface* >( static_cast< OWeakObject* >(new SfxDialogLibraryContainer()) );
    return xRet;
}


//============================================================================
// Implementation class SfxDialogLibrary

// Ctor
SfxDialogLibrary::SfxDialogLibrary( ModifiableHelper& _rModifiable,
                                    const ::rtl::OUString& aName,
								    const Reference< XMultiServiceFactory >& xMSF,
                                    const Reference< XSimpleFileAccess >& xSFI,
									SfxDialogLibraryContainer* pParent )
	: SfxLibrary( _rModifiable, getCppuType( (const Reference< XInputStreamProvider > *)0 ), xMSF, xSFI )
	, m_pParent( pParent )
	, m_aName( aName )
{
}

SfxDialogLibrary::SfxDialogLibrary( ModifiableHelper& _rModifiable,
                                    const ::rtl::OUString& aName,
								    const Reference< XMultiServiceFactory >& xMSF,
                                    const Reference< XSimpleFileAccess >& xSFI,
                                    const OUString& aLibInfoFileURL,
                                    const OUString& aStorageURL,
                                    sal_Bool ReadOnly,
									SfxDialogLibraryContainer* pParent )
	: SfxLibrary( _rModifiable, getCppuType( (const Reference< XInputStreamProvider > *)0 ),
                       xMSF, xSFI, aLibInfoFileURL, aStorageURL, ReadOnly)
	, m_pParent( pParent )
	, m_aName( aName )
{
}

IMPLEMENT_FORWARD_XINTERFACE2( SfxDialogLibrary, SfxLibrary, SfxDialogLibrary_BASE );
IMPLEMENT_FORWARD_XTYPEPROVIDER2( SfxDialogLibrary, SfxLibrary, SfxDialogLibrary_BASE );

// Provide modify state including resources
sal_Bool SfxDialogLibrary::isModified( void )
{
	sal_Bool bRet = implIsModified();

	if( !bRet && m_xStringResourcePersistence.is() )
		bRet = m_xStringResourcePersistence->isModified();
	// else: Resources not accessed so far -> not modified

	return bRet;
}

void SfxDialogLibrary::storeResources( void )
{
	if( m_xStringResourcePersistence.is() )
		m_xStringResourcePersistence->store();
}

void SfxDialogLibrary::storeResourcesAsURL
	( const ::rtl::OUString& URL, const ::rtl::OUString& NewName )
{
	OUString aComment = aResourceFileCommentBase;
	m_aName = NewName;
	aComment += m_aName;

	if( m_xStringResourcePersistence.is() )
	{
		m_xStringResourcePersistence->setComment( aComment );

		Reference< resource::XStringResourceWithLocation >
			xStringResourceWithLocation( m_xStringResourcePersistence, UNO_QUERY );
		if( xStringResourceWithLocation.is() )
			xStringResourceWithLocation->storeAsURL( URL );
	}
}

void SfxDialogLibrary::storeResourcesToURL( const OUString& URL,
	const Reference< task::XInteractionHandler >& xHandler )
{
	OUString aComment = aResourceFileCommentBase;
	aComment += m_aName;

	if( m_xStringResourcePersistence.is() )
	{
		m_xStringResourcePersistence->storeToURL
			( URL, aResourceFileNameBase, aComment, xHandler );
	}
}

void SfxDialogLibrary::storeResourcesToStorage( const ::com::sun::star::uno::Reference
	< ::com::sun::star::embed::XStorage >& xStorage )
{
	OUString aComment = aResourceFileCommentBase;
	aComment += m_aName;

	if( m_xStringResourcePersistence.is() )
	{
		m_xStringResourcePersistence->storeToStorage
			( xStorage, aResourceFileNameBase, aComment );
	}
}


// XStringResourceSupplier
Reference< resource::XStringResourceResolver >
	SAL_CALL SfxDialogLibrary::getStringResource(  ) throw (RuntimeException)
{
	if( !m_xStringResourcePersistence.is() )
		m_xStringResourcePersistence = m_pParent->implCreateStringResource( this );

	Reference< resource::XStringResourceResolver > xRet( m_xStringResourcePersistence, UNO_QUERY );
	return xRet;
}

bool SfxDialogLibrary::containsValidDialog( const ::com::sun::star::uno::Any& aElement )
{
	Reference< XInputStreamProvider > xISP;
	aElement >>= xISP;
	return xISP.is();
}

bool SAL_CALL SfxDialogLibrary::isLibraryElementValid( ::com::sun::star::uno::Any aElement ) const
{
    return SfxDialogLibrary::containsValidDialog( aElement );
}

}
//============================================================================