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libreoffice/sw/source/core/layout/colfrm.cxx

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/*************************************************************************
*
* $RCSfile: colfrm.cxx,v $
*
2001-08-29 12:23:19 +00:00
* $Revision: 1.3 $
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*
2001-08-29 12:23:19 +00:00
* last change: $Author: ama $ $Date: 2001-08-29 13:23:19 $
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*
* 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
#include <hintids.hxx>
#include "cntfrm.hxx"
#include "doc.hxx"
#include "hintids.hxx"
#ifndef _SVX_ULSPITEM_HXX //autogen
#include <svx/ulspitem.hxx>
#endif
#ifndef _SVX_LRSPITEM_HXX //autogen
#include <svx/lrspitem.hxx>
#endif
#ifndef _FMTCLDS_HXX //autogen
#include <fmtclds.hxx>
#endif
#ifndef _FMTFORDR_HXX //autogen
#include <fmtfordr.hxx>
#endif
#ifndef _FRMFMT_HXX //autogen
#include <frmfmt.hxx>
#endif
#ifndef _NODE_HXX //autogen
#include <node.hxx>
#endif
#include "frmtool.hxx"
#include "colfrm.hxx"
#include "pagefrm.hxx"
#include "bodyfrm.hxx" // ColumnFrms jetzt mit BodyFrm
#include "rootfrm.hxx" // wg. RemoveFtns
#include "sectfrm.hxx" // wg. FtnAtEnd-Flag
// ftnfrm.cxx:
void lcl_RemoveFtns( SwFtnBossFrm* pBoss, BOOL bPageOnly, BOOL bEndNotes );
/*************************************************************************
|*
|* SwColumnFrm::SwColumnFrm()
|*
|* Ersterstellung MA ??
|* Letzte Aenderung AMA 30. Oct 98
|*
|*************************************************************************/
SwColumnFrm::SwColumnFrm( SwFrmFmt *pFmt ):
SwFtnBossFrm( pFmt )
{
nType = FRMC_COLUMN;
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SwBodyFrm* pColBody = new SwBodyFrm( pFmt->GetDoc()->GetDfltFrmFmt() );
pColBody->InsertBehind( this, 0 ); // ColumnFrms jetzt mit BodyFrm
SetMaxFtnHeight( LONG_MAX );
}
SwColumnFrm::~SwColumnFrm()
{
SwFrmFmt *pFmt = GetFmt();
SwDoc *pDoc;
if ( !(pDoc = pFmt->GetDoc())->IsInDtor() && pFmt->IsLastDepend() )
{
//Ich bin der einzige, weg mit dem Format.
//Vorher ummelden, damit die Basisklasse noch klarkommt.
pDoc->GetDfltFrmFmt()->Add( this );
pDoc->DelFrmFmt( pFmt );
}
}
/*************************************************************************
|*
|* SwLayoutFrm::ChgColumns()
|*
|* Ersterstellung MA 11. Feb. 93
|* Letzte Aenderung MA 12. Oct. 98
|*
|*************************************************************************/
void MA_FASTCALL lcl_RemoveColumns( SwLayoutFrm *pCont, USHORT nCnt )
{
ASSERT( pCont && pCont->Lower() && pCont->Lower()->IsColumnFrm(),
"Keine Spalten zu entfernen." );
SwColumnFrm *pColumn = (SwColumnFrm*)pCont->Lower();
::lcl_RemoveFtns( pColumn, TRUE, TRUE );
while ( pColumn->GetNext() )
{
ASSERT( pColumn->GetNext()->IsColumnFrm(),
"Nachbar von ColFrm kein ColFrm." );
pColumn = (SwColumnFrm*)pColumn->GetNext();
}
for ( USHORT i = 0; i < nCnt; ++i )
{
SwColumnFrm *pTmp = (SwColumnFrm*)pColumn->GetPrev();
pColumn->Cut();
delete pColumn; //Format wird ggf. im DTor mit vernichtet.
pColumn = pTmp;
}
}
SwLayoutFrm * MA_FASTCALL lcl_FindColumns( SwLayoutFrm *pLay, USHORT nCount )
{
SwFrm *pCol = pLay->Lower();
if ( pLay->IsPageFrm() )
pCol = ((SwPageFrm*)pLay)->FindBodyCont()->Lower();
if ( pCol && pCol->IsColumnFrm() )
{
SwFrm *pTmp = pCol;
USHORT i;
for ( i = 0; pTmp; pTmp = pTmp->GetNext(), ++i )
/* do nothing */;
return i == nCount ? (SwLayoutFrm*)pCol : 0;
}
return 0;
}
BOOL MA_FASTCALL lcl_AddColumns( SwLayoutFrm *pCont, USHORT nCount )
{
SwDoc *pDoc = pCont->GetFmt()->GetDoc();
const BOOL bMod = pDoc->IsModified();
//Format sollen soweit moeglich geshared werden. Wenn es also schon einen
//Nachbarn mit den selben Spalteneinstellungen gibt, so koennen die
//Spalten an die selben Formate gehaengt werden.
//Der Nachbar kann ueber das Format gesucht werden, wer der Owner des Attributes
//ist, ist allerdings vom Frametyp abhaengig.
SwLayoutFrm *pAttrOwner = pCont;
if ( pCont->IsBodyFrm() )
pAttrOwner = pCont->FindPageFrm();
SwLayoutFrm *pNeighbourCol = 0;
SwClientIter aIter( *pAttrOwner->GetFmt() );
SwLayoutFrm *pNeighbour = (SwLayoutFrm*)aIter.First( TYPE(SwLayoutFrm) );
USHORT nAdd = 0;
SwFrm *pCol = pCont->Lower();
if ( pCol && pCol->IsColumnFrm() )
for ( nAdd = 1; pCol; pCol = pCol->GetNext(), ++nAdd )
/* do nothing */;
while ( pNeighbour )
{
if ( 0 != (pNeighbourCol = lcl_FindColumns( pNeighbour, nCount+nAdd )) &&
pNeighbourCol != pCont )
break;
pNeighbourCol = 0;
pNeighbour = (SwLayoutFrm*)aIter.Next();
}
BOOL bRet;
SwTwips nMax = pCont->IsPageBodyFrm() ?
pCont->FindPageFrm()->GetMaxFtnHeight() : LONG_MAX;
if ( pNeighbourCol )
{
bRet = FALSE;
SwFrm *pTmp = pCont->Lower();
while ( pTmp )
{
pTmp = pTmp->GetNext();
pNeighbourCol = (SwLayoutFrm*)pNeighbourCol->GetNext();
}
for ( USHORT i = 0; i < nCount; ++i )
{
SwColumnFrm *pTmp = new SwColumnFrm( pNeighbourCol->GetFmt() );
pTmp->SetMaxFtnHeight( nMax );
pTmp->InsertBefore( pCont, NULL );
pTmp->bVarHeight = FALSE;
pNeighbourCol = (SwLayoutFrm*)pNeighbourCol->GetNext();
}
}
else
{
bRet = TRUE;
for ( USHORT i = 0; i < nCount; ++i )
{
SwFrmFmt *pFmt = pDoc->MakeFrmFmt( aEmptyStr, pDoc->GetDfltFrmFmt());
SwColumnFrm *pTmp = new SwColumnFrm( pFmt );
pTmp->SetMaxFtnHeight( nMax );
pTmp->Paste( pCont );
}
}
if ( !bMod )
pDoc->ResetModified();
return bRet;
}
/*-----------------21.09.99 15:42-------------------
* ChgColumns() adds or removes columns from a layoutframe.
* Normally, a layoutframe with a column attribut of 1 or 0 columns contains
* no columnframe. However, a sectionframe with "footnotes at the end" needs
* a columnframe. If the bChgFtn-flag is set, the columnframe will be inserted
* or remove, if necessary.
* --------------------------------------------------*/
void SwLayoutFrm::ChgColumns( const SwFmtCol &rOld, const SwFmtCol &rNew,
const BOOL bChgFtn )
{
if ( rOld.GetNumCols() <= 1 && rNew.GetNumCols() <= 1 && !bChgFtn )
return;
USHORT nNewNum, nOldNum = 1;
if( Lower() && Lower()->IsColumnFrm() )
{
SwFrm* pCol = Lower();
while( 0 != (pCol=pCol->GetNext()) )
++nOldNum;
}
nNewNum = rNew.GetNumCols();
if( !nNewNum )
++nNewNum;
BOOL bAtEnd;
if( IsSctFrm() )
bAtEnd = ((SwSectionFrm*)this)->IsAnyNoteAtEnd();
else
bAtEnd = FALSE;
//Einstellung der Spaltenbreiten ist nur bei neuen Formaten notwendig.
BOOL bAdjustAttributes = nOldNum != rOld.GetNumCols();
//Wenn die Spaltenanzahl unterschiedlich ist, wird der Inhalt
//gesichert und restored.
SwFrm *pSave = 0;
if( nOldNum != nNewNum || bChgFtn )
{
SwDoc *pDoc = GetFmt()->GetDoc();
ASSERT( pDoc, "FrmFmt gibt kein Dokument her." );
// SaveCntnt wuerde auch den Inhalt der Fussnotencontainer aufsaugen
// und im normalen Textfluss unterbringen.
if( IsPageBodyFrm() )
pDoc->GetRootFrm()->RemoveFtns( (SwPageFrm*)GetUpper(), TRUE, FALSE );
pSave = ::SaveCntnt( this );
//Wenn Spalten existieren, jetzt aber eine Spaltenanzahl von
//0 oder eins gewuenscht ist, so werden die Spalten einfach vernichtet.
if ( nNewNum == 1 && !bAtEnd )
{
::lcl_RemoveColumns( this, nOldNum );
if ( IsBodyFrm() )
SetFrmFmt( pDoc->GetDfltFrmFmt() );
else
GetFmt()->SetAttr( SwFmtFillOrder() );
if ( pSave )
::RestoreCntnt( pSave, this, 0 );
return;
}
if ( nOldNum == 1 )
{
if ( IsBodyFrm() )
SetFrmFmt( pDoc->GetColumnContFmt() );
else
GetFmt()->SetAttr( SwFmtFillOrder( ATT_LEFT_TO_RIGHT ) );
if( !Lower() || !Lower()->IsColumnFrm() )
--nOldNum;
}
if ( nOldNum > nNewNum )
{
::lcl_RemoveColumns( this, nOldNum - nNewNum );
bAdjustAttributes = TRUE;
}
else if( nOldNum < nNewNum )
{
USHORT nAdd = nNewNum - nOldNum;
bAdjustAttributes = ::lcl_AddColumns( this, nAdd );
}
}
if ( !bAdjustAttributes )
{
if ( rOld.GetLineWidth() != rNew.GetLineWidth() ||
rOld.GetWishWidth() != rNew.GetWishWidth() ||
rOld.IsOrtho() != rNew.IsOrtho() )
bAdjustAttributes = TRUE;
else
{
USHORT nCount = Min( rNew.GetColumns().Count(), rOld.GetColumns().Count() );
for ( USHORT i = 0; i < nCount; ++i )
if ( !(*rOld.GetColumns()[i] == *rNew.GetColumns()[i]) )
{
bAdjustAttributes = TRUE;
break;
}
}
}
//Sodele, jetzt koennen die Spalten bequem eingestellt werden.
AdjustColumns( &rNew, bAdjustAttributes );
//Erst jetzt den Inhalt restaurieren. Ein frueheres Restaurieren wuerde
//unnuetzte Aktionen beim Einstellen zur Folge haben.
if ( pSave )
{
ASSERT( Lower() && Lower()->IsLayoutFrm() &&
((SwLayoutFrm*)Lower())->Lower() &&
((SwLayoutFrm*)Lower())->Lower()->IsLayoutFrm(),
"Gesucht: Spaltenbody (Tod oder Lebend)." ); // ColumnFrms jetzt mit BodyFrm
::RestoreCntnt( pSave, (SwLayoutFrm*)((SwLayoutFrm*)Lower())->Lower(), 0 );
}
}
/*************************************************************************
|*
|* SwLayoutFrm::AdjustColumns()
|*
|* Ersterstellung MA 19. Jan. 99
|* Letzte Aenderung MA 19. Jan. 99
|*
|*************************************************************************/
void SwLayoutFrm::AdjustColumns( const SwFmtCol *pAttr, BOOL bAdjustAttributes )
{
if( !Lower()->GetNext() )
{
Lower()->ChgSize( Prt().SSize() );
return;
}
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const SzPtr pDir =
#ifdef VERTICAL_LAYOUT
IsVertical() ? pHeight :
#endif
pWidth;
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//Ist ein Pointer da, oder sollen wir die Attribute einstellen,
//so stellen wir auf jeden Fall die Spaltenbreiten ein. Andernfalls
//checken wir, ob eine Einstellung notwendig ist.
if ( !pAttr )
{
pAttr = &GetFmt()->GetCol();
if ( !bAdjustAttributes )
{
;
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long nAvail = Prt().SSize().*pDir;
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for ( SwLayoutFrm *pCol = (SwLayoutFrm*)Lower();
pCol;
pCol = (SwLayoutFrm*)pCol->GetNext() )
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nAvail -= pCol->Frm().SSize().*pDir;
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if ( !nAvail )
return;
}
}
//Sodele, jetzt koennen die Spalten bequem eingestellt werden.
//Die Breiten werden mitgezaehlt, damit wir dem letzten den Rest geben
//koennen.
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SwTwips nAvail = Prt().SSize().*pDir;
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const BOOL bLine = pAttr->GetLineAdj() != COLADJ_NONE;
USHORT nMin = 0;
if ( bLine )
nMin = USHORT(20 + (pAttr->GetLineWidth() / 2));
SwFrm *pCol = Lower();
for ( USHORT i = 0; i < pAttr->GetNumCols(); pCol = pCol->GetNext(), ++i )
{
const SwTwips nWidth = i == (pAttr->GetNumCols() - 1) ?
nAvail :
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pAttr->CalcColWidth( i, USHORT(Prt().SSize().*pDir) );
#ifdef VERTICAL_LAYOUT
const Size aColSz = IsVertical() ? Size( Prt().Width(), nWidth ) :
Size( nWidth, Prt().Height() );
#else
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const Size aColSz( nWidth, Prt().Height() );
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#endif
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pCol->ChgSize( aColSz );
// Hierdurch werden die ColumnBodyFrms von Seitenspalten angepasst und
// ihr bFixHeight-Flag wird gesetzt, damit sie nicht schrumpfen/wachsen.
// Bei Rahmenspalten hingegen soll das Flag _nicht_ gesetzt werden,
// da BodyFrms in Rahmenspalten durchaus wachsen/schrumpfen duerfen.
if( IsBodyFrm() )
((SwLayoutFrm*)pCol)->Lower()->ChgSize( aColSz );
nAvail -= nWidth;
if ( bAdjustAttributes )
{
SwColumn *pC = pAttr->GetColumns()[i];
SwAttrSet* pSet = pCol->GetAttrSet();
SvxLRSpaceItem aLR( pSet->GetLRSpace() );
SvxULSpaceItem aUL( pSet->GetULSpace() );
//Damit die Trennlinien Platz finden, muessen sie hier
//Beruecksichtigung finden. Ueberall wo zwei Spalten aufeinanderstossen
//wird jeweils rechts bzw. links ein Sicherheitsabstand von 20 plus
//der halben Penbreite einkalkuliert.
if ( bLine )
{
if ( i == 0 )
{ aLR.SetLeft ( pC->GetLeft() );
aLR.SetRight( Max(pC->GetRight(), nMin) );
}
else if ( i == (pAttr->GetNumCols() - 1) )
{ aLR.SetLeft ( Max(pC->GetLeft(), nMin) );
aLR.SetRight( pC->GetRight() );
}
else
{ aLR.SetLeft ( Max(pC->GetLeft(), nMin) );
aLR.SetRight( Max(pC->GetRight(), nMin) );
}
}
else
{
aLR.SetLeft ( pC->GetLeft() );
aLR.SetRight( pC->GetRight());
}
aUL.SetUpper( pC->GetUpper());
aUL.SetLower( pC->GetLower());
((SwLayoutFrm*)pCol)->GetFmt()->SetAttr( aLR );
((SwLayoutFrm*)pCol)->GetFmt()->SetAttr( aUL );
}
}
}