/**************************************************************
 * 
 * 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 <unotools/charclass.hxx>
#include <editsh.hxx>
#include <fldbas.hxx>
#include <doc.hxx>
#include <docary.hxx>
#include <fmtfld.hxx>
#include <txtfld.hxx>
#include <edimp.hxx>
#include <dbfld.hxx>
#include <expfld.hxx>
#include <flddat.hxx>
#include <swundo.hxx>
#include <dbmgr.hxx>
#include <swddetbl.hxx>
#include <hints.hxx>
#include <switerator.hxx>
#include <fieldhint.hxx>

/*--------------------------------------------------------------------
	Beschreibung: Feldtypen zu einer ResId zaehlen
				  wenn 0 alle zaehlen
 --------------------------------------------------------------------*/

sal_uInt16 SwEditShell::GetFldTypeCount(sal_uInt16 nResId, sal_Bool bUsed ) const
{
	const SwFldTypes* pFldTypes = GetDoc()->GetFldTypes();
	const sal_uInt16 nSize = pFldTypes->Count();

	if(nResId == USHRT_MAX)
	{
		if(!bUsed)
			return nSize;
		else
		{
			sal_uInt16 nUsed = 0;
			for ( sal_uInt16 i = 0; i < nSize; i++ )
			{
				if(IsUsed(*(*pFldTypes)[i]))
					nUsed++;
			}
			return nUsed;
		}
	}

	// Alle Typen mit gleicher ResId
	sal_uInt16 nIdx  = 0;
	for(sal_uInt16 i = 0; i < nSize; ++i)
	{   // Gleiche ResId -> Index erhoehen
		SwFieldType& rFldType = *((*pFldTypes)[i]);
		if(rFldType.Which() == nResId)
			nIdx++;
	}
	return nIdx;
}

/*--------------------------------------------------------------------
	Beschreibung: Feldtypen zu einer ResId finden
				  wenn 0 alle finden
 --------------------------------------------------------------------*/
SwFieldType* SwEditShell::GetFldType(sal_uInt16 nFld, sal_uInt16 nResId, sal_Bool bUsed ) const
{
	const SwFldTypes* pFldTypes = GetDoc()->GetFldTypes();
	const sal_uInt16 nSize = pFldTypes->Count();

	if(nResId == USHRT_MAX && nFld < nSize)
	{
		if(!bUsed)
			return (*pFldTypes)[nFld];
		else
		{
			sal_uInt16 i, nUsed = 0;
			for ( i = 0; i < nSize; i++ )
			{
				if(IsUsed(*(*pFldTypes)[i]))
				{
					if(nUsed == nFld)
						break;
					nUsed++;
				}
			}
			return i < nSize ? (*pFldTypes)[i] : 0;
		}
	}

	sal_uInt16 nIdx = 0;
	for(sal_uInt16 i = 0; i < nSize; ++i)
	{   // Gleiche ResId -> Index erhoehen
		SwFieldType* pFldType = (*pFldTypes)[i];
		if(pFldType->Which() == nResId)
		{
			if (!bUsed || IsUsed(*pFldType))
			{
				if(nIdx == nFld)
					return pFldType;
				nIdx++;
			}
		}
	}
	return 0;
}

/*--------------------------------------------------------------------
	Beschreibung: Den ersten Typen mit ResId und Namen finden
 --------------------------------------------------------------------*/
SwFieldType* SwEditShell::GetFldType(sal_uInt16 nResId, const String& rName) const
{
	return GetDoc()->GetFldType( nResId, rName, false );
}

/*--------------------------------------------------------------------
	Beschreibung: Feldtypen loeschen
 --------------------------------------------------------------------*/
void SwEditShell::RemoveFldType(sal_uInt16 nFld, sal_uInt16 nResId)
{
	if( USHRT_MAX == nResId )
	{
		GetDoc()->RemoveFldType(nFld);
		return;
	}

	const SwFldTypes* pFldTypes = GetDoc()->GetFldTypes();
	const sal_uInt16 nSize = pFldTypes->Count();
	sal_uInt16 nIdx = 0;
	for( sal_uInt16 i = 0; i < nSize; ++i )
		// Gleiche ResId -> Index erhoehen
		if( (*pFldTypes)[i]->Which() == nResId &&
			nIdx++ == nFld )
		{
			GetDoc()->RemoveFldType( i );
			return;
		}
}

/*--------------------------------------------------------------------
	Beschreibung: FieldType ueber Name loeschen
 --------------------------------------------------------------------*/
void SwEditShell::RemoveFldType(sal_uInt16 nResId, const String& rStr)
{
	const SwFldTypes* pFldTypes = GetDoc()->GetFldTypes();
	const sal_uInt16 nSize = pFldTypes->Count();
	const CharClass& rCC = GetAppCharClass();

	String aTmp( rCC.lower( rStr ));

	for(sal_uInt16 i = 0; i < nSize; ++i)
	{
		// Gleiche ResId -> Index erhoehen
		SwFieldType* pFldType = (*pFldTypes)[i];
		if( pFldType->Which() == nResId )
		{
			if( aTmp.Equals( rCC.lower( pFldType->GetName() ) ))
			{
				GetDoc()->RemoveFldType(i);
				return;
			}
		}
	}
}


void SwEditShell::FieldToText( SwFieldType* pType )
{
	if( !pType->GetDepends() )
		return;

	SET_CURR_SHELL( this );
	StartAllAction();
	StartUndo( UNDO_DELETE );
	Push();
	SwPaM* pPaM = GetCrsr();

    SwFieldHint aHint( pPaM );
	SwClientIter aIter( *pType );
    for ( SwClient* pClient = aIter.GoStart(); pClient; pClient = ++aIter )
    {
        pPaM->DeleteMark();
        pClient->SwClientNotifyCall( *pType, aHint );
 	}

	Pop( sal_False );
	EndAllAction();
	EndUndo( UNDO_DELETE );
}

/*************************************************************************
|*
|*					SwEditShell::Insert( SwField )
|*
|*	  Beschreibung	an der Cursorposition ein Feld einfuegen
|*	  Quelle:		vgl. SwEditShell::Insert( String )
|*
*************************************************************************/
void SwEditShell::Insert2(SwField& rFld, const bool bForceExpandHints)
{
    SET_CURR_SHELL( this );
    StartAllAction();
    SwFmtFld aFld( rFld );

    const SetAttrMode nInsertFlags = (bForceExpandHints)
        ? nsSetAttrMode::SETATTR_FORCEHINTEXPAND
        : nsSetAttrMode::SETATTR_DEFAULT;

    FOREACHPAM_START(this)
        const bool bSuccess(GetDoc()->InsertPoolItem(*PCURCRSR, aFld, nInsertFlags));
        ASSERT( bSuccess, "Doc->Insert(Field) failed");
        (void) bSuccess;
    FOREACHPAM_END()

    EndAllAction();
}



/*************************************************************************
|*
|*					SwEditShell::UpdateFlds()
|*
|*	  Beschreibung	Stehen die PaMs auf Feldern ?
|*					BP 12.05.92
|*
*************************************************************************/
SwTxtFld* lcl_FindInputFld( SwDoc* pDoc, SwField& rFld )
{
    SwTxtFld* pTFld = 0;
    if( RES_INPUTFLD == rFld.Which() )
    {
        const SfxPoolItem* pItem = NULL;
        const sal_uInt32 nMaxItems =
            pDoc->GetAttrPool().GetItemCount2( RES_TXTATR_INPUTFIELD );
        for( sal_uInt32 n = 0; n < nMaxItems; ++n )
            if( 0 != (pItem = pDoc->GetAttrPool().GetItem2( RES_TXTATR_INPUTFIELD, n ) )
                && ((SwFmtFld*)pItem)->GetField() == &rFld )
            {
                pTFld = ((SwFmtFld*)pItem)->GetTxtFld();
                break;
            }
    }
    else if( RES_SETEXPFLD == rFld.Which()
        && ((SwSetExpField&)rFld).GetInputFlag() )
    {
        const SfxPoolItem* pItem = NULL;
        const sal_uInt32 nMaxItems =
            pDoc->GetAttrPool().GetItemCount2( RES_TXTATR_FIELD );
        for( sal_uInt32 n = 0; n < nMaxItems; ++n )
            if( 0 != (pItem = pDoc->GetAttrPool().GetItem2( RES_TXTATR_FIELD, n ) )
                && ((SwFmtFld*)pItem)->GetField() == &rFld )
            {
                pTFld = ((SwFmtFld*)pItem)->GetTxtFld();
                break;
            }
    }
    return pTFld;
}

void SwEditShell::UpdateFlds( SwField &rFld )
{
	SET_CURR_SHELL( this );
	StartAllAction();
	{
		SwField *pCurFld = 0;

		// Wenn es keine Selektionen gibt, gilt der Wert der aktuellen
		// Cursor-Position.
		SwMsgPoolItem* pMsgHnt = 0;
		SwRefMarkFldUpdate aRefMkHt( GetOut() );
		sal_uInt16 nFldWhich = rFld.GetTyp()->Which();
		if( RES_GETREFFLD == nFldWhich )
			pMsgHnt = &aRefMkHt;

		SwPaM* pCrsr = GetCrsr();
		SwTxtFld *pTxtFld;
		SwFmtFld *pFmtFld;

        if ( pCrsr->GetNext() == pCrsr && !pCrsr->HasMark())
        {
            pTxtFld = GetTxtFldAtPos( pCrsr->Start(), true );

            if (!pTxtFld) // #i30221#
                pTxtFld = lcl_FindInputFld( GetDoc(), rFld);

            if (pTxtFld != 0)
                GetDoc()->UpdateFld(pTxtFld, rFld, pMsgHnt, sal_True); // #111840#
        }

		// bOkay (statt return wg. EndAllAction) wird sal_False,
		// 1) wenn nur ein Pam mehr als ein Feld enthaelt oder
		// 2) bei gemischten Feldtypen
		sal_Bool bOkay = sal_True;
		sal_Bool bTblSelBreak = sal_False;

		SwMsgPoolItem aFldHint( RES_TXTATR_FIELD );
		SwMsgPoolItem aInputFldHint( RES_TXTATR_INPUTFIELD );
		FOREACHPAM_START(this)						// fuer jeden PaM
			if( PCURCRSR->HasMark() && bOkay )		// ... mit Selektion
			{
				// Kopie des PaM
				SwPaM aCurPam( *PCURCRSR->GetMark(), *PCURCRSR->GetPoint() );
				SwPaM aPam( *PCURCRSR->GetPoint() );

				SwPosition *pCurStt = aCurPam.Start(), *pCurEnd =
                    aCurPam.End();
				/*
				 * Fuer den Fall, dass zwei aneinanderliegende Felder in einem
				 * PaM liegen, hangelt sich aPam portionsweise bis zum Ende.
				 * aCurPam wird dabei nach jeder Schleifenrunde verkuerzt.
				 * Wenn aCurPam vollstaendig durchsucht wurde, ist Start = End
				 * und die Schleife terminiert.
				 */

				// Suche nach SwTxtFld ...
				while(	bOkay
					 && pCurStt->nContent != pCurEnd->nContent
					 && ( aPam.Find( aFldHint, sal_False, fnMoveForward, &aCurPam )
                          || aPam.Find( aInputFldHint, sal_False, fnMoveForward, &aCurPam ) ) )
				{
					//	wenn nur ein Pam mehr als ein Feld enthaelt ...
					if( aPam.Start()->nContent != pCurStt->nContent )
						bOkay = sal_False;

					if( 0 != (pTxtFld = GetTxtFldAtPos( pCurStt, true )) )
					{
						pFmtFld = (SwFmtFld*)&pTxtFld->GetFmtFld();
						pCurFld = pFmtFld->GetField();

						// bei gemischten Feldtypen
						if( pCurFld->GetTyp()->Which() !=
                            rFld.GetTyp()->Which() )
							bOkay = sal_False;

                        bTblSelBreak = GetDoc()->UpdateFld(pTxtFld, rFld,
                                                           pMsgHnt, sal_False); // #111840#
					}
					// Der Suchbereich wird um den gefundenen Bereich
					// verkuerzt.
					pCurStt->nContent++;
				}
			}

			if( bTblSelBreak )		// wenn Tabellen Selektion und Tabellen-
				break;				// Formel aktualisiert wurde -> beenden

		FOREACHPAM_END()					  // fuer jeden PaM
	}
	GetDoc()->SetModified();
	EndAllAction();
}

/*-----------------13.05.92 10:54-------------------
 Liefert den logischen fuer die Datenbank zurueck
 --------------------------------------------------*/

SwDBData SwEditShell::GetDBData() const
{
	return GetDoc()->GetDBData();
}

const SwDBData& SwEditShell::GetDBDesc() const
{
	return GetDoc()->GetDBDesc();
}

void SwEditShell::ChgDBData(const SwDBData& rNewData)
{
	GetDoc()->ChgDBData(rNewData);
}

void SwEditShell::GetAllUsedDB( SvStringsDtor& rDBNameList,
								SvStringsDtor* pAllDBNames )
{
	GetDoc()->GetAllUsedDB( rDBNameList, pAllDBNames );
}

void SwEditShell::ChangeDBFields( const SvStringsDtor& rOldNames,
									const String& rNewName )
{
	GetDoc()->ChangeDBFields( rOldNames, rNewName );
}

/*--------------------------------------------------------------------
	Beschreibung:  Alle Expression-Felder erneuern
 --------------------------------------------------------------------*/
void SwEditShell::UpdateExpFlds(sal_Bool bCloseDB)
{
	SET_CURR_SHELL( this );
	StartAllAction();
	GetDoc()->UpdateExpFlds(NULL, true);
	if (bCloseDB)
		GetDoc()->GetNewDBMgr()->CloseAll();	// Alle Datenbankverbindungen dichtmachen
	EndAllAction();
}

SwNewDBMgr* SwEditShell::GetNewDBMgr() const
{
	return GetDoc()->GetNewDBMgr();
}

/*--------------------------------------------------------------------
	Beschreibung: Feldtypen einfuegen
 --------------------------------------------------------------------*/
SwFieldType* SwEditShell::InsertFldType(const SwFieldType& rFldType)
{
	return GetDoc()->InsertFldType(rFldType);
}

void SwEditShell::LockExpFlds()
{
	GetDoc()->LockExpFlds();
}

void SwEditShell::UnlockExpFlds()
{
	GetDoc()->UnlockExpFlds();
}


void SwEditShell::SetFldUpdateFlags( SwFldUpdateFlags eFlags )
{
    getIDocumentSettingAccess()->setFieldUpdateFlags( eFlags );
}

SwFldUpdateFlags SwEditShell::GetFldUpdateFlags(sal_Bool bDocSettings) const
{
    return getIDocumentSettingAccess()->getFieldUpdateFlags( !bDocSettings );
}

void SwEditShell::SetFixFields( sal_Bool bOnlyTimeDate,
								const DateTime* pNewDateTime )
{
	SET_CURR_SHELL( this );
	sal_Bool bUnLockView = !IsViewLocked();
	LockView( sal_True );
	StartAllAction();
	GetDoc()->SetFixFields( bOnlyTimeDate, pNewDateTime );
	EndAllAction();
	if( bUnLockView )
		LockView( sal_False );
}

void SwEditShell::SetLabelDoc( sal_Bool bFlag )
{
	GetDoc()->set(IDocumentSettingAccess::LABEL_DOCUMENT, bFlag );
}

sal_Bool SwEditShell::IsLabelDoc() const
{
    return getIDocumentSettingAccess()->get(IDocumentSettingAccess::LABEL_DOCUMENT);
}
/* -----------------------------21.12.99 12:53--------------------------------

 ---------------------------------------------------------------------------*/
void SwEditShell::ChangeAuthorityData(const SwAuthEntry* pNewData)
{
	GetDoc()->ChangeAuthorityData(pNewData);
}
/* -----------------------------03.08.2001 12:04------------------------------

 ---------------------------------------------------------------------------*/
sal_Bool SwEditShell::IsAnyDatabaseFieldInDoc()const
{
    const SwFldTypes * pFldTypes = GetDoc()->GetFldTypes();
    const sal_uInt16 nSize = pFldTypes->Count();
    for(sal_uInt16 i = 0; i < nSize; ++i)
    {
        SwFieldType& rFldType = *((*pFldTypes)[i]);
        sal_uInt16 nWhich = rFldType.Which();
        if(IsUsed(rFldType))
        {
            switch(nWhich)
            {
                case RES_DBFLD:
                case RES_DBNEXTSETFLD:
                case RES_DBNUMSETFLD:
                case RES_DBSETNUMBERFLD:
                {
                    SwIterator<SwFmtFld,SwFieldType> aIter( rFldType );
                    SwFmtFld* pFld = aIter.First();
                    while(pFld)
                    {
                        if(pFld->IsFldInDoc())
                            return sal_True;
                        pFld = aIter.Next();
                    }
                }
                break;
            }
        }
    }
    return sal_False;
}