/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: xmlImportDocumentHandler.cxx,v $
 * $Revision: 1.5 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
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#include "precompiled_reportdesign.hxx"

#include "xmlImportDocumentHandler.hxx"
#include <com/sun/star/sdb/CommandType.hpp>
#include <com/sun/star/chart2/data/DatabaseDataProvider.hpp>
#include <com/sun/star/chart2/data/XDataReceiver.hpp>
#include <com/sun/star/reflection/XProxyFactory.hpp>
#include <com/sun/star/sdb/CommandType.hpp>
#include <comphelper/sequence.hxx>
#include <comphelper/sequenceashashmap.hxx>
#include <comphelper/documentconstants.hxx>
#include <xmloff/attrlist.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/xmlement.hxx>
#include <xmloff/xmluconv.hxx>
#include <xmloff/xmltkmap.hxx>
#include <xmloff/xmlnmspe.hxx>

#include "xmlHelper.hxx"
#include "xmlEnums.hxx"

#include <connectivity/dbtools.hxx>

namespace rptxml
{
using namespace ::com::sun::star;
using namespace ::xmloff::token;

::rtl::OUString lcl_createAttribute(const xmloff::token::XMLTokenEnum& _eNamespace,const xmloff::token::XMLTokenEnum& _eAttribute);

ImportDocumentHandler::ImportDocumentHandler(uno::Reference< uno::XComponentContext > const & context) :
     m_xContext(context)
    ,m_bOnlyOnce(true)
{
}
// -----------------------------------------------------------------------------
ImportDocumentHandler::~ImportDocumentHandler()
{
    if ( m_xProxy.is() )
    {
        m_xProxy->setDelegator( NULL );
        m_xProxy.clear();
    }
}
IMPLEMENT_GET_IMPLEMENTATION_ID(ImportDocumentHandler)
IMPLEMENT_FORWARD_REFCOUNT( ImportDocumentHandler, ImportDocumentHandler_BASE )
//------------------------------------------------------------------------
::rtl::OUString SAL_CALL ImportDocumentHandler::getImplementationName(  ) throw(uno::RuntimeException)
{
    return getImplementationName_Static();
}

//------------------------------------------------------------------------
sal_Bool SAL_CALL ImportDocumentHandler::supportsService( const ::rtl::OUString& ServiceName ) throw(uno::RuntimeException)
{
    return ::comphelper::existsValue(ServiceName,getSupportedServiceNames_static());
}

//------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL ImportDocumentHandler::getSupportedServiceNames(  ) throw(uno::RuntimeException)
{
    uno::Sequence< ::rtl::OUString > aSupported;
    if ( m_xServiceInfo.is() )
        aSupported = m_xServiceInfo->getSupportedServiceNames();
    return ::comphelper::concatSequences(getSupportedServiceNames_static(),aSupported);
}

//------------------------------------------------------------------------
::rtl::OUString ImportDocumentHandler::getImplementationName_Static(  ) throw(uno::RuntimeException)
{
    return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.report.ImportDocumentHandler"));
}

//------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > ImportDocumentHandler::getSupportedServiceNames_static(  ) throw(uno::RuntimeException)
{
    uno::Sequence< ::rtl::OUString > aSupported(1);
    aSupported[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.report.ImportDocumentHandler"));
    return aSupported;
}

//------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL ImportDocumentHandler::create( const uno::Reference< uno::XComponentContext >& _rxContext )
{
    return *(new ImportDocumentHandler( _rxContext ));
}
// xml::sax::XDocumentHandler:
void SAL_CALL ImportDocumentHandler::startDocument() throw (uno::RuntimeException, xml::sax::SAXException)
{
    m_xDelegatee->startDocument();
}

void SAL_CALL ImportDocumentHandler::endDocument() throw (uno::RuntimeException, xml::sax::SAXException)
{
    m_xDelegatee->endDocument();
    uno::Reference< chart2::data::XDataReceiver > xReceiver(m_xModel,uno::UNO_QUERY_THROW);
    if ( xReceiver.is() )
        xReceiver->attachDataProvider(m_xDatabaseDataProvider.get());
}

void SAL_CALL ImportDocumentHandler::startElement(const ::rtl::OUString & _sName, const uno::Reference< xml::sax::XAttributeList > & _xAttrList) throw (uno::RuntimeException, xml::sax::SAXException)
{
    uno::Reference< xml::sax::XAttributeList > xNewAttribs = _xAttrList;
    bool bExport = true;
    if ( _sName.equalsAscii("office:report") )
    {
        const sal_Int16 nLength = (_xAttrList.is()) ? _xAttrList->getLength() : 0;
        static const ::rtl::OUString s_sTRUE = ::xmloff::token::GetXMLToken(XML_TRUE);
        try
        {
            for(sal_Int16 i = 0; i < nLength; ++i)
            {
                ::rtl::OUString sLocalName;
                const rtl::OUString sAttrName = _xAttrList->getNameByIndex( i );
                const sal_Int32 nColonPos = sAttrName.indexOf( sal_Unicode(':') );
                if( -1L == nColonPos )
                    sLocalName = sAttrName;
                else
                    sLocalName = sAttrName.copy( nColonPos + 1L );
                const rtl::OUString sValue = _xAttrList->getValueByIndex( i );

                switch( m_pReportElemTokenMap->Get( XML_NAMESPACE_REPORT, sLocalName ) )
                {
                    case XML_TOK_COMMAND_TYPE:
                        {
                            sal_uInt16 nRet = static_cast<sal_uInt16>(sdb::CommandType::COMMAND);
                            const SvXMLEnumMapEntry* aXML_EnumMap = OXMLHelper::GetCommandTypeOptions();
                            SvXMLUnitConverter::convertEnum( nRet, sValue, aXML_EnumMap );
                            m_xDatabaseDataProvider->setCommandType(nRet);
                        }
                        break;
                    case XML_TOK_COMMAND:
                        m_xDatabaseDataProvider->setCommand(sValue);
                        break;
                    case XML_TOK_FILTER:
                        m_xDatabaseDataProvider->setFilter(sValue);
                        break;
                    case XML_TOK_ESCAPE_PROCESSING:
                        m_xDatabaseDataProvider->setEscapeProcessing(sValue == s_sTRUE);
                        break;
                    default:
                        break;
                }
            }
        }
        catch(uno::Exception&)
        {
            // OSL_ENSURE(0,"Exception catched while filling the report definition props");
        }
        m_xDelegatee->startElement(lcl_createAttribute(XML_NP_OFFICE,XML_CHART),NULL);
        bExport = false;
    }
    else if ( _sName.equalsAscii("rpt:master-detail-field") )
    {
        const sal_Int16 nLength = (_xAttrList.is()) ? _xAttrList->getLength() : 0;
        static const ::rtl::OUString s_sTRUE = ::xmloff::token::GetXMLToken(XML_TRUE);
        ::std::auto_ptr<SvXMLTokenMap> pMasterElemTokenMap( OXMLHelper::GetSubDocumentElemTokenMap());
        try
        {
            ::rtl::OUString sMasterField,sDetailField;
            for(sal_Int16 i = 0; i < nLength; ++i)
            {
                ::rtl::OUString sLocalName;
                const rtl::OUString sAttrName = _xAttrList->getNameByIndex( i );
                const sal_Int32 nColonPos = sAttrName.indexOf( sal_Unicode(':') );
                if( -1L == nColonPos )
                    sLocalName = sAttrName;
                else
                    sLocalName = sAttrName.copy( nColonPos + 1L );
                const rtl::OUString sValue = _xAttrList->getValueByIndex( i );

                switch( pMasterElemTokenMap->Get( XML_NAMESPACE_REPORT, sLocalName ) )
                {
                    case XML_TOK_MASTER:
                        sMasterField = sValue;
                        break;
                    case XML_TOK_SUB_DETAIL:
                        sDetailField = sValue;
                        break;
                }
            }
            if ( !sDetailField.getLength() )
                sDetailField = sMasterField;
            m_aMasterFields.push_back(sMasterField);
            m_aDetailFields.push_back(sDetailField);
        }
        catch(uno::Exception&)
        {
            OSL_ENSURE(0,"Exception catched while filling the report definition props");
        }
        bExport = false;
    }
    else if ( _sName.equalsAscii("rpt:detail")
        ||    _sName.equalsAscii("rpt:formatted-text")
        ||    _sName.equalsAscii("rpt:master-detail-fields")
        ||    _sName.equalsAscii("rpt:report-component")
        ||    _sName.equalsAscii("rpt:report-element"))
        bExport = false;
    else if ( _sName.equalsAscii("chart:plot-area"))
    {
        sal_Bool bHasCategories = sal_True;
        const sal_Int16 nLength = (_xAttrList.is()) ? _xAttrList->getLength() : 0;
        ::std::auto_ptr<SvXMLTokenMap> pMasterElemTokenMap( OXMLHelper::GetSubDocumentElemTokenMap());
        for(sal_Int16 i = 0; i < nLength; ++i)
        {
            ::rtl::OUString sLocalName;
            const rtl::OUString sAttrName = _xAttrList->getNameByIndex( i );
            const sal_Int32 nColonPos = sAttrName.indexOf( sal_Unicode(':') );
            if( -1L == nColonPos )
                sLocalName = sAttrName;
            else
                sLocalName = sAttrName.copy( nColonPos + 1L );
            if ( sLocalName.equalsAscii("data-source-has-labels") )
            {
                const rtl::OUString sValue = _xAttrList->getValueByIndex( i );
                bHasCategories = sValue.equalsAscii("both");
                break;
            }
        } // for(sal_Int16 i = 0; i < nLength; ++i)
        beans::PropertyValue* pArgIter = m_aArguments.getArray();
        beans::PropertyValue* pArgEnd  = pArgIter + m_aArguments.getLength();
        for(;pArgIter != pArgEnd;++pArgIter)
        {
            if ( pArgIter->Name.equalsAscii("HasCategories") )
            {
                pArgIter->Value <<= bHasCategories;
                break;
            }
        } // for(;pArgIter != pArgEnd;++pArgIter)

        if ( m_bOnlyOnce )
        {
            try
            {
                m_xDatabaseDataProvider->createDataSource(m_aArguments);
                m_bOnlyOnce = false;
            }
            catch(uno::Exception)
            {}
        } // if ( m_bOnlyOnce )

        SvXMLAttributeList* pList = new SvXMLAttributeList();
        xNewAttribs = pList;
        pList->AppendAttributeList(_xAttrList);
        pList->AddAttribute(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("table:cell-range-address")),::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("local-table.$A$1:.$Z$65536")));

    }

    if ( bExport )
        m_xDelegatee->startElement(_sName,xNewAttribs);
}

void SAL_CALL ImportDocumentHandler::endElement(const ::rtl::OUString & _sName) throw (uno::RuntimeException, xml::sax::SAXException)
{
    bool bExport = true;
    ::rtl::OUString sNewName = _sName;
    if ( _sName.equalsAscii("office:report") )
    {
        sNewName = lcl_createAttribute(XML_NP_OFFICE,XML_CHART);
    }
    else if ( _sName.equalsAscii("rpt:master-detail-fields") )
    {
        if ( !m_aMasterFields.empty() )
            m_xDatabaseDataProvider->setMasterFields(uno::Sequence< ::rtl::OUString>(&*m_aMasterFields.begin(),m_aMasterFields.size()));
        if ( !m_aDetailFields.empty() )
            m_xDatabaseDataProvider->setDetailFields(uno::Sequence< ::rtl::OUString>(&*m_aDetailFields.begin(),m_aDetailFields.size()));
        bExport = false;
    }
    else if ( _sName.equalsAscii("rpt:detail")
        ||    _sName.equalsAscii("rpt:formatted-text")
        ||    _sName.equalsAscii("rpt:master-detail-field")
        ||    _sName.equalsAscii("rpt:report-component")
        ||    _sName.equalsAscii("rpt:report-element"))
        bExport = false;

    if ( bExport )
        m_xDelegatee->endElement(sNewName);
}

void SAL_CALL ImportDocumentHandler::characters(const ::rtl::OUString & aChars) throw (uno::RuntimeException, xml::sax::SAXException)
{
    m_xDelegatee->characters(aChars);
}

void SAL_CALL ImportDocumentHandler::ignorableWhitespace(const ::rtl::OUString & aWhitespaces) throw (uno::RuntimeException, xml::sax::SAXException)
{
    m_xDelegatee->ignorableWhitespace(aWhitespaces);
}

void SAL_CALL ImportDocumentHandler::processingInstruction(const ::rtl::OUString & aTarget, const ::rtl::OUString & aData) throw (uno::RuntimeException, xml::sax::SAXException)
{
    m_xDelegatee->processingInstruction(aTarget,aData);
}

void SAL_CALL ImportDocumentHandler::setDocumentLocator(const uno::Reference< xml::sax::XLocator > & xLocator) throw (uno::RuntimeException, xml::sax::SAXException)
{
    m_xDelegatee->setDocumentLocator(xLocator);
}
void SAL_CALL ImportDocumentHandler::initialize( const uno::Sequence< uno::Any >& _aArguments ) throw (uno::Exception, uno::RuntimeException)
{
    ::osl::MutexGuard aGuard(m_aMutex);
    comphelper::SequenceAsHashMap aArgs(_aArguments);
    m_xDelegatee = aArgs.getUnpackedValueOrDefault(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("DocumentHandler")),m_xDelegatee);
    m_xModel = aArgs.getUnpackedValueOrDefault(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Model")),m_xModel);

    OSL_ENSURE(m_xDelegatee.is(),"No document handler avialable!");
    if ( !m_xDelegatee.is() || !m_xModel.is() )
        throw uno::Exception();

    m_xDatabaseDataProvider.set(m_xModel->getDataProvider(),uno::UNO_QUERY);
    if ( !m_xDatabaseDataProvider.is() )
    {
        const static ::rtl::OUString s_sDatabaseDataProvider(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.chart2.data.DatabaseDataProvider"));
        m_xDatabaseDataProvider.set(m_xContext->getServiceManager()->createInstanceWithContext(s_sDatabaseDataProvider
            ,m_xContext),uno::UNO_QUERY);
        if ( !m_xDatabaseDataProvider.is() )
            throw uno::Exception();

        m_xDatabaseDataProvider->setRowLimit(10);

        uno::Reference< chart2::data::XDataReceiver > xReceiver(m_xModel,uno::UNO_QUERY_THROW);
        xReceiver->attachDataProvider(m_xDatabaseDataProvider.get());
    } // if ( !m_xDatabaseDataProvider.is() )

    m_aArguments = m_xDatabaseDataProvider->detectArguments(NULL);

    uno::Reference< reflection::XProxyFactory > xProxyFactory( m_xContext->getServiceManager()->createInstanceWithContext(
        ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.reflection.ProxyFactory")),m_xContext),
        uno::UNO_QUERY);
    m_xProxy = xProxyFactory->createProxy(m_xDelegatee.get());
    ::comphelper::query_aggregation(m_xProxy,m_xDelegatee);
    m_xTypeProvider.set(m_xDelegatee,uno::UNO_QUERY);
    m_xServiceInfo.set(m_xDelegatee,uno::UNO_QUERY);

    // set ourself as delegator
    m_xProxy->setDelegator( *this );

    m_pReportElemTokenMap.reset(OXMLHelper::GetReportElemTokenMap());
}
// --------------------------------------------------------------------------------
uno::Any SAL_CALL ImportDocumentHandler::queryInterface( const uno::Type& _rType ) throw (uno::RuntimeException)
{
    uno::Any aReturn = ImportDocumentHandler_BASE::queryInterface(_rType);
    return aReturn.hasValue() ? aReturn : (m_xProxy.is() ? m_xProxy->queryAggregation(_rType) : aReturn);
}
// --------------------------------------------------------------------------------
uno::Sequence< uno::Type > SAL_CALL ImportDocumentHandler::getTypes(  ) throw (uno::RuntimeException)
{
    if ( m_xTypeProvider.is() )
        return ::comphelper::concatSequences(
            ImportDocumentHandler_BASE::getTypes(),
            m_xTypeProvider->getTypes()
        );
    return ImportDocumentHandler_BASE::getTypes();
}

// -----------------------------------------------------------------------------
} // namespace rptxml
// -----------------------------------------------------------------------------