/*************************************************************************
 *
 *  $RCSfile: extinput.cxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: jp $ $Date: 2001-03-13 16:40:33 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 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
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifdef PRECOMPILED
#include "core_pch.hxx"
#endif

#pragma hdrstop

#ifndef _HINTIDS_HXX
#include <hintids.hxx>
#endif

#ifndef _SV_KEYCODES_HXX
#include <vcl/keycodes.hxx>
#endif
#ifndef _VCL_CMDEVT_HXX
#include <vcl/cmdevt.hxx>
#endif
#ifndef _EXTINPUT_HXX
#include <extinput.hxx>
#endif
#ifndef _DOC_HXX
#include <doc.hxx>
#endif
#ifndef _INDEX_HXX
#include <index.hxx>
#endif
#ifndef _NDTXT_HXX
#include <ndtxt.hxx>
#endif
#ifndef _TXTFRM_HXX
#include <txtfrm.hxx>
#endif
#ifndef _HINTS_HXX
#include <hints.hxx>
#endif


SwExtTextInput::SwExtTextInput( const SwPaM& rPam, Ring* pRing )
    : SwPaM( *rPam.GetPoint(), (SwPaM*)pRing )
{
    bIsOverwriteCursor = FALSE;
    bInsText = TRUE;
}

SwExtTextInput::~SwExtTextInput()
{
    SwTxtNode* pTNd = GetPoint()->nNode.GetNode().GetTxtNode();
    if( pTNd )
    {
        xub_StrLen nEndCnt = GetPoint()->nContent.GetIndex(),
                    nSttCnt = GetMark()->nContent.GetIndex();
        if( nEndCnt != nSttCnt )
        {
            if( nEndCnt < nSttCnt )
            {
                xub_StrLen n = nEndCnt; nEndCnt = nSttCnt; nSttCnt = n;
            }

            // damit Undo / Redlining usw. richtig funktioniert,
            // muss ueber die Doc-Schnittstellen gegangen werden !!!
            SwIndex aIdx( pTNd, nSttCnt );
            String sTxt( pTNd->GetTxt().Copy( nSttCnt, nEndCnt - nSttCnt ));
            pTNd->Erase( aIdx, nEndCnt - nSttCnt );

            if( bInsText )
                GetDoc()->Insert( *this, sTxt );
        }
    }
}

void SwExtTextInput::SetInputData( const CommandExtTextInputData& rData )
{
    SwTxtNode* pTNd = GetPoint()->nNode.GetNode().GetTxtNode();
    if( pTNd )
    {
        xub_StrLen nEndCnt = GetPoint()->nContent.GetIndex(),
                    nSttCnt = GetMark()->nContent.GetIndex();
        if( nEndCnt < nSttCnt )
        {
            xub_StrLen n = nEndCnt; nEndCnt = nSttCnt; nSttCnt = n;
        }
        SwIndex aIdx( pTNd, nSttCnt );

        if( nSttCnt < nEndCnt )
            pTNd->Erase( aIdx, nEndCnt - nSttCnt );

        pTNd->Insert( rData.GetText(), aIdx, INS_EMPTYEXPAND );

        SetMark();
        GetPoint()->nContent = nSttCnt;

        if( aAttrs.Count() )
            aAttrs.Remove( 0, aAttrs.Count() );
        if( rData.GetTextAttr() )
            aAttrs.Insert( rData.GetTextAttr(), rData.GetText().Len(), 0 );
    }
}

void SwExtTextInput::SetFontForPos( USHORT nPos, Font& rFont )
{
}

void SwExtTextInput::InvalidateRange()      // das Layout anstossen
{
    ULONG nSttNd = GetMark()->nNode.GetIndex(),
            nEndNd = GetPoint()->nNode.GetIndex();
    xub_StrLen nSttCnt = GetMark()->nContent.GetIndex(),
                nEndCnt = GetPoint()->nContent.GetIndex();

    if( nSttNd > nEndNd || ( nSttNd == nEndNd && nSttCnt > nEndCnt ))
    {
        ULONG nTmp = nSttNd; nSttNd = nEndNd; nEndNd = nTmp;
        nTmp = nSttCnt; nSttCnt = nEndCnt; nEndCnt = (xub_StrLen)nTmp;
    }

    SwUpdateAttr aHt( 0, 0, RES_FMT_CHG );
    SwNodes& rNds = GetDoc()->GetNodes();
    SwNode* pNd;
    for( ULONG n = nSttNd; n <= nEndNd; ++n )
        if( ND_TEXTNODE == ( pNd = rNds[ n ] )->GetNodeType() )
        {
            aHt.nStart = n == nSttNd ? nSttCnt : 0;
            aHt.nEnd = n == nEndNd ? nEndCnt : ((SwTxtNode*)pNd)->GetTxt().Len();
            ((SwTxtNode*)pNd)->Modify( &aHt, &aHt );
        }
}


// die Doc Schnittstellen:

SwExtTextInput* SwDoc::CreateExtTextInput( const SwPaM& rPam )
{
    SwExtTextInput* pNew = new SwExtTextInput( rPam, pExtInputRing );
    if( !pExtInputRing )
        pExtInputRing = pNew;
    pNew->SetMark();
    return pNew;
}

void SwDoc::DeleteExtTextInput( SwExtTextInput* pDel )
{
    if( pDel == pExtInputRing )
    {
        if( pDel->GetNext() != pExtInputRing )
            pExtInputRing = (SwPaM*)pDel->GetNext();
        else
            pExtInputRing = 0;
    }
    // das Layout benachrichtigen
    if( pDel->HasMark() )
    {
    }
    delete pDel;
}

SwExtTextInput* SwDoc::GetExtTextInput( const SwNode& rNd,
                                        xub_StrLen nCntntPos ) const
{
    SwExtTextInput* pRet = 0;
    if( pExtInputRing )
    {
        ULONG nNdIdx = rNd.GetIndex();
        SwExtTextInput* pTmp = (SwExtTextInput*)pExtInputRing;
        do {
            ULONG nPt = pTmp->GetPoint()->nNode.GetIndex(),
                  nMk = pTmp->GetMark()->nNode.GetIndex();
            xub_StrLen nPtCnt = pTmp->GetPoint()->nContent.GetIndex(),
                         nMkCnt = pTmp->GetMark()->nContent.GetIndex();

            if( nPt < nMk || ( nPt == nMk && nPtCnt < nMkCnt ))
            {
                ULONG nTmp = nMk; nMk = nPt; nPt = nTmp;
                nTmp = nMkCnt; nMkCnt = nPtCnt; nPtCnt = (xub_StrLen)nTmp;
            }

            if( nMk <= nNdIdx && nNdIdx <= nPt &&
                ( STRING_NOTFOUND == nCntntPos ||
                    ( nMkCnt <= nCntntPos && nCntntPos <= nPtCnt )))
            {
                pRet = pTmp;
                break;
            }
        } while( pExtInputRing != (pTmp = (SwExtTextInput*)pExtInputRing ) );
    }
    return pRet;
}