/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: pfuncache.cxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 23:02:32 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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 for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifdef PCH
#include "ui_pch.hxx"
#endif

#pragma hdrstop

// INCLUDE ---------------------------------------------------------------

#include <tools/multisel.hxx>

#include "pfuncache.hxx"
#include "printfun.hxx"
#include "docsh.hxx"
#include "markdata.hxx"
#include "prevloc.hxx"

//------------------------------------------------------------------------

ScPrintFuncCache::ScPrintFuncCache( ScDocShell* pD, const ScMarkData& rMark,
                                    const ScPrintSelectionStatus& rStatus ) :
    aSelection( rStatus ),
    pDocSh( pD ),
    nTotalPages( 0 ),
    bLocInitialized( false )
{
    //  page count uses the stored cell widths for the printer anyway,
    //  so ScPrintFunc with the document's printer can be used to count

    SfxPrinter* pPrinter = pDocSh->GetPrinter();

    ScRange aRange;
    const ScRange* pSelRange = NULL;
    if ( rMark.IsMarked() )
    {
        rMark.GetMarkArea( aRange );
        pSelRange = &aRange;
    }

    ScDocument* pDoc = pDocSh->GetDocument();
    SCTAB nTabCount = pDoc->GetTableCount();
    SCTAB nTab;
    for ( nTab=0; nTab<nTabCount; nTab++ )
    {
        long nAttrPage = nTab > 0 ? nFirstAttr[nTab-1] : 1;

        long nThisTab = 0;
        if ( rMark.GetTableSelect( nTab ) )
        {
            ScPrintFunc aFunc( pDocSh, pPrinter, nTab, nAttrPage, 0, pSelRange );
            nThisTab = aFunc.GetTotalPages();
            nFirstAttr[nTab] = aFunc.GetFirstPageNo();          // from page style or previous sheet
        }
        else
            nFirstAttr[nTab] = nAttrPage;

        nPages[nTab] = nThisTab;
        nTotalPages += nThisTab;
    }
}

ScPrintFuncCache::~ScPrintFuncCache()
{
}

void ScPrintFuncCache::InitLocations( const ScMarkData& rMark, OutputDevice* pDev )
{
    if ( bLocInitialized )
        return;                 // initialize only once

    ScRange aRange;
    const ScRange* pSelRange = NULL;
    if ( rMark.IsMarked() )
    {
        rMark.GetMarkArea( aRange );
        pSelRange = &aRange;
    }

    long nRenderer = 0;     // 0-based physical page number across sheets
    long nTabStart = 0;

    ScDocument* pDoc = pDocSh->GetDocument();
    SCTAB nTabCount = pDoc->GetTableCount();
    for ( SCTAB nTab=0; nTab<nTabCount; nTab++ )
    {
        if ( rMark.GetTableSelect( nTab ) )
        {
            ScPrintFunc aFunc( pDev, pDocSh, nTab, nFirstAttr[nTab], nTotalPages, pSelRange );
            aFunc.SetRenderFlag( TRUE );

            long nDisplayStart = GetDisplayStart( nTab );

            for ( long nPage=0; nPage<nPages[nTab]; nPage++ )
            {
                Range aPageRange( nRenderer+1, nRenderer+1 );
                MultiSelection aPage( aPageRange );
                aPage.SetTotalRange( Range(0,RANGE_MAX) );
                aPage.Select( aPageRange );

                ScPreviewLocationData aLocData( pDoc, pDev );
                aFunc.DoPrint( aPage, nTabStart, nDisplayStart, FALSE, NULL, &aLocData );

                ScRange aCellRange;
                Rectangle aPixRect;
                if ( aLocData.GetMainCellRange( aCellRange, aPixRect ) )
                    aLocations.push_back( ScPrintPageLocation( nRenderer, aCellRange, aPixRect ) );

                ++nRenderer;
            }

            nTabStart += nPages[nTab];
        }
    }

    bLocInitialized = true;
}

bool ScPrintFuncCache::FindLocation( const ScAddress& rCell, ScPrintPageLocation& rLocation ) const
{
    for ( std::vector<ScPrintPageLocation>::const_iterator aIter(aLocations.begin());
          aIter != aLocations.end(); aIter++ )
    {
        if ( aIter->aCellRange.In( rCell ) )
        {
            rLocation = *aIter;
            return true;
        }
    }
    return false;   // not found
}

BOOL ScPrintFuncCache::IsSameSelection( const ScPrintSelectionStatus& rStatus ) const
{
    return aSelection == rStatus;
}

SCTAB ScPrintFuncCache::GetTabForPage( long nPage ) const
{
    ScDocument* pDoc = pDocSh->GetDocument();
    SCTAB nTabCount = pDoc->GetTableCount();
    SCTAB nTab = 0;
    while ( nTab < nTabCount && nPage >= nPages[nTab] )
        nPage -= nPages[nTab++];
    return nTab;
}

long ScPrintFuncCache::GetTabStart( SCTAB nTab ) const
{
    long nRet = 0;
    for ( SCTAB i=0; i<nTab; i++ )
        nRet += nPages[i];
    return nRet;
}

long ScPrintFuncCache::GetDisplayStart( SCTAB nTab ) const
{
    //! merge with lcl_GetDisplayStart in preview?

    long nDisplayStart = 0;
    ScDocument* pDoc = pDocSh->GetDocument();
    for (SCTAB i=0; i<nTab; i++)
    {
        if ( pDoc->NeedPageResetAfterTab(i) )
            nDisplayStart = 0;
        else
            nDisplayStart += nPages[i];
    }
    return nDisplayStart;
}