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#include "oox/xls/autofiltercontext.hxx"

#include "oox/xls/autofilterbuffer.hxx"
#include "oox/xls/biffinputstream.hxx"

namespace oox {
namespace xls {

using ::oox::core::ContextHandlerRef;
using ::rtl::OUString;

// ============================================================================

FilterSettingsContext::FilterSettingsContext( WorksheetContextBase& rParent, FilterSettingsBase& rFilterSettings ) :
    WorksheetContextBase( rParent ),
    mrFilterSettings( rFilterSettings )
{
}

ContextHandlerRef FilterSettingsContext::onCreateContext( sal_Int32 nElement, const AttributeList& /*rAttribs*/ )
{
    switch( getCurrentElement() )
    {
        case XLS_TOKEN( filters ):
            if( nElement == XLS_TOKEN( filter ) ) return this;
        break;
        case XLS_TOKEN( customFilters ):
            if( nElement == XLS_TOKEN( customFilter ) ) return this;
        break;
    }
    return 0;
}

void FilterSettingsContext::onStartElement( const AttributeList& rAttribs )
{
    mrFilterSettings.importAttribs( getCurrentElement(), rAttribs );
}

ContextHandlerRef FilterSettingsContext::onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& /*rStrm*/ )
{
    switch( getCurrentElement() )
    {
        case BIFF12_ID_DISCRETEFILTERS:
            if( nRecId == BIFF12_ID_DISCRETEFILTER ) return this;
        break;
        case BIFF12_ID_CUSTOMFILTERS:
            if( nRecId == BIFF12_ID_CUSTOMFILTER ) return this;
        break;
    }
    return 0;
}

void FilterSettingsContext::onStartRecord( SequenceInputStream& rStrm )
{
    mrFilterSettings.importRecord( getCurrentElement(), rStrm );
}

// ============================================================================

FilterColumnContext::FilterColumnContext( WorksheetContextBase& rParent, FilterColumn& rFilterColumn ) :
    WorksheetContextBase( rParent ),
    mrFilterColumn( rFilterColumn )
{
}

ContextHandlerRef FilterColumnContext::onCreateContext( sal_Int32 nElement, const AttributeList& /*rAttribs*/ )
{
    if( getCurrentElement() == XLS_TOKEN( filterColumn ) ) switch( nElement )
    {
        case XLS_TOKEN( filters ):
            return new FilterSettingsContext( *this, mrFilterColumn.createFilterSettings< DiscreteFilter >() );
        case XLS_TOKEN( top10 ):
            return new FilterSettingsContext( *this, mrFilterColumn.createFilterSettings< Top10Filter >() );
        case XLS_TOKEN( customFilters ):
            return new FilterSettingsContext( *this, mrFilterColumn.createFilterSettings< CustomFilter >() );
    }
    return 0;
}

void FilterColumnContext::onStartElement( const AttributeList& rAttribs )
{
    mrFilterColumn.importFilterColumn( rAttribs );
}

ContextHandlerRef FilterColumnContext::onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& /*rStrm*/ )
{
    if( getCurrentElement() == BIFF12_ID_FILTERCOLUMN ) switch( nRecId )
    {
        case BIFF12_ID_DISCRETEFILTERS:
            return new FilterSettingsContext( *this, mrFilterColumn.createFilterSettings< DiscreteFilter >() );
        case BIFF12_ID_TOP10FILTER:
            return new FilterSettingsContext( *this, mrFilterColumn.createFilterSettings< Top10Filter >() );
        case BIFF12_ID_CUSTOMFILTERS:
            return new FilterSettingsContext( *this, mrFilterColumn.createFilterSettings< CustomFilter >() );
    }
    return 0;
}

void FilterColumnContext::onStartRecord( SequenceInputStream& rStrm )
{
    mrFilterColumn.importFilterColumn( rStrm );
}

// ============================================================================

AutoFilterContext::AutoFilterContext( WorksheetFragmentBase& rFragment, AutoFilter& rAutoFilter ) :
    WorksheetContextBase( rFragment ),
    mrAutoFilter( rAutoFilter )
{
}

ContextHandlerRef AutoFilterContext::onCreateContext( sal_Int32 nElement, const AttributeList& /*rAttribs*/ )
{
    if( (getCurrentElement() == XLS_TOKEN( autoFilter )) && (nElement == XLS_TOKEN( filterColumn )) )
        return new FilterColumnContext( *this, mrAutoFilter.createFilterColumn() );
    return 0;
}

void AutoFilterContext::onStartElement( const AttributeList& rAttribs )
{
    mrAutoFilter.importAutoFilter( rAttribs, getSheetIndex() );
}

ContextHandlerRef AutoFilterContext::onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& /*rStrm*/ )
{
    if( (getCurrentElement() == BIFF12_ID_AUTOFILTER) && (nRecId == BIFF12_ID_FILTERCOLUMN) )
        return new FilterColumnContext( *this, mrAutoFilter.createFilterColumn() );
    return 0;
}

void AutoFilterContext::onStartRecord( SequenceInputStream& rStrm )
{
    mrAutoFilter.importAutoFilter( rStrm, getSheetIndex() );
}

// ============================================================================

BiffAutoFilterContext::BiffAutoFilterContext( const WorksheetHelper& rHelper, AutoFilter& rAutoFilter ) :
    BiffWorksheetContextBase( rHelper ),
    mrAutoFilter( rAutoFilter )
{
}

void BiffAutoFilterContext::importRecord( BiffInputStream& rStrm )
{
    switch( rStrm.getRecId() )
    {
        // nothing to read for BIFF_ID_AUTOFILTER
        case BIFF_ID_FILTERCOLUMN:  mrAutoFilter.createFilterColumn().importFilterColumn( rStrm );  break;
    }
}

// ============================================================================

} // namespace xls
} // namespace oox