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 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sw.hxx"

#include <tools/ref.hxx>

#include <hintids.hxx>
#include <fesh.hxx>
#include <doc.hxx>
#include <IDocumentUndoRedo.hxx>
#include <pagefrm.hxx>
#include <rootfrm.hxx>
#include <cntfrm.hxx>
#include <pam.hxx>
#include <fmtpdsc.hxx>
#include <pagedesc.hxx>
#include <tabfrm.hxx>
#include <edimp.hxx>
#include <SwStyleNameMapper.hxx>

/*************************************************************************
|*
|*	SwFEShell::GetPageDescCnt()
|*
|*	Ersterstellung		MA 25. Jan. 93
|*	Letzte Aenderung	MA 25. Jan. 93
|*
|*************************************************************************/

sal_uInt16 SwFEShell::GetPageDescCnt() const
{
	return GetDoc()->GetPageDescCnt();
}

/*************************************************************************
|*
|*	SwFEShell::ChgCurPageDesc()
|*
|*	Ersterstellung		ST ??
|*	Letzte Aenderung	MA 01. Aug. 94
|*
|*************************************************************************/

void SwFEShell::ChgCurPageDesc( const SwPageDesc& rDesc )
{
#ifdef DBG_UTIL
	//Die SS veraendert keinen PageDesc, sondern setzt nur das Attribut.
	//Der Pagedesc muss im Dokument vorhanden sein!
	sal_Bool bFound = sal_False;
	for ( sal_uInt16 nTst = 0; nTst < GetPageDescCnt(); ++nTst )
		if ( &rDesc == &GetPageDesc( nTst ) )
			bFound = sal_True;
	ASSERT( bFound, "ChgCurPageDesc mit ungueltigem Descriptor." );
#endif

	StartAllAction();

	SwPageFrm *pPage = GetCurrFrm()->FindPageFrm();
	const SwFrm *pFlow = 0;
	sal_uInt16 nPageNmOffset = 0;

	ASSERT( !GetCrsr()->HasMark(), "ChgCurPageDesc nur ohne Selektion!");

	SET_CURR_SHELL( this );
	while ( pPage )
	{
		pFlow = pPage->FindFirstBodyCntnt();
		if ( pFlow )
		{
			if ( pFlow->IsInTab() )
				pFlow = pFlow->FindTabFrm();
			const SwFmtPageDesc& rPgDesc = pFlow->GetAttrSet()->GetPageDesc();
			if( rPgDesc.GetPageDesc() )
			{
				// wir haben ihn den Schlingel
				nPageNmOffset = rPgDesc.GetNumOffset();
				break;
			}
		}
		pPage = (SwPageFrm*) pPage->GetPrev();
	}
	if ( !pPage )
	{
		pPage = (SwPageFrm*) (GetLayout()->Lower());
		pFlow = pPage->FindFirstBodyCntnt();
		if ( !pFlow )
		{
			pPage   = (SwPageFrm*)pPage->GetNext();
			pFlow = pPage->FindFirstBodyCntnt();
			ASSERT( pFlow, "Dokuemnt ohne Inhalt?!?" );
		}
	}

	// Seitennummer mitnehmen
	SwFmtPageDesc aNew( &rDesc );
	aNew.SetNumOffset( nPageNmOffset );

	if ( pFlow->IsInTab() )
		GetDoc()->SetAttr( aNew, *(SwFmt*)pFlow->FindTabFrm()->GetFmt() );
	else
	{
		SwPaM aPaM( *((SwCntntFrm*)pFlow)->GetNode() );
        GetDoc()->InsertPoolItem( aPaM, aNew, 0 );
    }
	EndAllActionAndCall();
}

/*************************************************************************
|*
|*	SwFEShell::ChgPageDesc()
|*
|*	Ersterstellung		MA 25. Jan. 93
|*	Letzte Aenderung	MA 24. Jan. 95
|*
|*************************************************************************/

void SwFEShell::ChgPageDesc( sal_uInt16 i, const SwPageDesc &rChged )
{
	StartAllAction();
	SET_CURR_SHELL( this );
    //Fix i64842: because Undo has a very special way to handle header/footer content
    // we have to copy the page descriptor before calling ChgPageDesc.
    SwPageDesc aDesc( rChged );
    {
        ::sw::UndoGuard const undoGuard(GetDoc()->GetIDocumentUndoRedo());
        GetDoc()->CopyPageDesc(rChged, aDesc);
    }
	GetDoc()->ChgPageDesc( i, aDesc );
	EndAllActionAndCall();
}

/*************************************************************************
|*
|*	SwFEShell::GetPageDesc(), GetCurPageDesc()
|*
|*	Ersterstellung		MA 25. Jan. 93
|*	Letzte Aenderung	MA 23. Apr. 93
|
|*************************************************************************/

const SwPageDesc& SwFEShell::GetPageDesc( sal_uInt16 i ) const
{
	return const_cast<const SwDoc *>(GetDoc())->GetPageDesc( i );
}

SwPageDesc* SwFEShell::FindPageDescByName( const String& rName,
											sal_Bool bGetFromPool,
											sal_uInt16* pPos )
{
	SwPageDesc* pDesc = GetDoc()->FindPageDescByName( rName, pPos );
	if( !pDesc && bGetFromPool )
	{
		sal_uInt16 nPoolId = SwStyleNameMapper::GetPoolIdFromUIName( rName, nsSwGetPoolIdFromName::GET_POOLID_PAGEDESC );
		if( USHRT_MAX != nPoolId &&
			0 != (pDesc = GetDoc()->GetPageDescFromPool( nPoolId ))
			&& pPos )
				// werden immer hinten angehaengt
			*pPos = GetDoc()->GetPageDescCnt() - 1 ;
	}
	return pDesc;
}

sal_uInt16 SwFEShell::GetMousePageDesc( const Point &rPt ) const
{
    if( GetLayout() )
    {
        const SwPageFrm* pPage =
            static_cast<const SwPageFrm*>( GetLayout()->Lower() );
        if( pPage )
        {
            while( pPage->GetNext() && rPt.Y() > pPage->Frm().Bottom() )
                pPage = static_cast<const SwPageFrm*>( pPage->GetNext() );
            SwDoc *pMyDoc = GetDoc();
			for ( sal_uInt16 i = 0; i < GetDoc()->GetPageDescCnt(); ++i )
			{
                if ( pPage->GetPageDesc() == &const_cast<const SwDoc *>(pMyDoc)
                     ->GetPageDesc(i) )
                    return i;
            }
        }
    }
    return 0;
}

sal_uInt16 SwFEShell::GetCurPageDesc( const sal_Bool bCalcFrm ) const
{
	const SwFrm *pFrm = GetCurrFrm( bCalcFrm );
	if ( pFrm )
	{
		const SwPageFrm *pPage = pFrm->FindPageFrm();
		if ( pPage )
		{
            SwDoc *pMyDoc = GetDoc();
			for ( sal_uInt16 i = 0; i < GetDoc()->GetPageDescCnt(); ++i )
			{
                if ( pPage->GetPageDesc() == &const_cast<const SwDoc *>(pMyDoc)
                     ->GetPageDesc(i) )
					return i;
			}
		}
	}
	return 0;
}

// if inside all selection only one PageDesc, return this.
// Otherwise return 0 pointer
const SwPageDesc* SwFEShell::GetSelectedPageDescs() const
{
	const SwCntntNode* pCNd;
	const SwFrm* pMkFrm, *pPtFrm;
	const SwPageDesc* pFnd, *pRetDesc = (SwPageDesc*)0xffffffff;
	const Point aNulPt;

	FOREACHPAM_START(this)

		if( 0 != (pCNd = PCURCRSR->GetCntntNode() ) &&
			0 != ( pPtFrm = pCNd->getLayoutFrm( GetLayout(), &aNulPt, 0, sal_False )) )
			pPtFrm = pPtFrm->FindPageFrm();
		else
			pPtFrm = 0;

		if( PCURCRSR->HasMark() &&
			0 != (pCNd = PCURCRSR->GetCntntNode( sal_False ) ) &&
			0 != ( pMkFrm = pCNd->getLayoutFrm( GetLayout(), &aNulPt, 0, sal_False )) )
			pMkFrm = pMkFrm->FindPageFrm();
		else
			pMkFrm = pPtFrm;


		if( !pMkFrm || !pPtFrm )
			pFnd = 0;
		else if( pMkFrm == pPtFrm )
			pFnd = ((SwPageFrm*)pMkFrm)->GetPageDesc();
		else
		{
			// swap pointer if PtFrm before MkFrm
			if( ((SwPageFrm*)pMkFrm)->GetPhyPageNum() >
				((SwPageFrm*)pPtFrm)->GetPhyPageNum() )
			{
				const SwFrm* pTmp = pMkFrm; pMkFrm = pPtFrm; pPtFrm = pTmp;
			}

			// now check from MkFrm to PtFrm for equal PageDescs
			pFnd = ((SwPageFrm*)pMkFrm)->GetPageDesc();
			while( pFnd && pMkFrm != pPtFrm )
			{
				pMkFrm = pMkFrm->GetNext();
				if( !pMkFrm || pFnd != ((SwPageFrm*)pMkFrm)->GetPageDesc() )
					pFnd = 0;
			}
		}

		if( (SwPageDesc*)0xffffffff == pRetDesc )
			pRetDesc = pFnd;
		else if( pFnd != pRetDesc )
		{
			pRetDesc = 0;
			break;
		}

	FOREACHPAM_END()

	return pRetDesc;
}