/**************************************************************
 * 
 * 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 "switerator.hxx"
#include "editsh.hxx"
#include "doc.hxx"
#include <docary.hxx>
#include <fmtfld.hxx>
#include <txtfld.hxx>
#include "edimp.hxx"
#include "expfld.hxx"
#include "pam.hxx"
#include "docfld.hxx"
#include "ndtxt.hxx"


/*--------------------------------------------------------------------
	Beschreibung: Sortieren der Input-Eintraege
 --------------------------------------------------------------------*/

SwInputFieldList::SwInputFieldList( SwEditShell* pShell, sal_Bool bBuildTmpLst )
	: pSh(pShell)
{
	// Hier die Liste aller Eingabefelder sortiert erstellen
	pSrtLst = new _SetGetExpFlds();

    const SwFldTypes& rFldTypes = *pSh->GetDoc()->GetFldTypes();
	const sal_uInt16 nSize = rFldTypes.Count();

	// Alle Typen abklappern

	for(sal_uInt16 i=0; i < nSize; ++i)
	{
		SwFieldType* pFldType = (SwFieldType*)rFldTypes[ i ];
		sal_uInt16 nType = pFldType->Which();

        if( RES_SETEXPFLD == nType || RES_INPUTFLD == nType || RES_DROPDOWN == nType )
		{
			SwIterator<SwFmtFld,SwFieldType> aIter( *pFldType );
			for( SwFmtFld* pFmtFld = aIter.First(); pFmtFld; pFmtFld = aIter.Next() )
			{
				const SwTxtFld* pTxtFld = pFmtFld->GetTxtFld();

				//	nur InputFields und interaktive SetExpFlds bearbeiten
                //  and DropDown fields
				if( !pTxtFld || ( RES_SETEXPFLD == nType &&
					!((SwSetExpField*)pFmtFld->GetField())->GetInputFlag()))
					continue;

				const SwTxtNode& rTxtNode = pTxtFld->GetTxtNode();
				if( rTxtNode.GetNodes().IsDocNodes() )
				{
					if( bBuildTmpLst )
					{
						VoidPtr pTmp = (VoidPtr)pTxtFld;
						aTmpLst.Insert( pTmp, aTmpLst.Count() );
					}
					else
					{
						SwNodeIndex aIdx( rTxtNode );
						_SetGetExpFld* pNew = new _SetGetExpFld(aIdx, pTxtFld );
						pSrtLst->Insert( pNew );
					}
				}
			}
		}
	}
}

SwInputFieldList::~SwInputFieldList()
{
	delete pSrtLst;
}

/*--------------------------------------------------------------------
	Beschreibung: Felder aus der Liste in sortierter Reihenfolge
 --------------------------------------------------------------------*/

sal_uInt16 SwInputFieldList::Count() const
{
	return pSrtLst->Count();
}


SwField* SwInputFieldList::GetField(sal_uInt16 nId)
{
	const SwTxtFld* pTxtFld = (*pSrtLst)[ nId ]->GetTxtFld();
	ASSERT( pTxtFld, "kein TextFld" );
	return (SwField*)pTxtFld->GetFmtFld().GetField();
}

/*--------------------------------------------------------------------
	Beschreibung: Cursor sichern
 --------------------------------------------------------------------*/

void SwInputFieldList::PushCrsr()
{
	pSh->Push();
	pSh->ClearMark();
}

void SwInputFieldList::PopCrsr()
{
	pSh->Pop(sal_False);
}

/*--------------------------------------------------------------------
	Beschreibung: Position eines Feldes ansteuern
 --------------------------------------------------------------------*/

void SwInputFieldList::GotoFieldPos(sal_uInt16 nId)
{
	pSh->StartAllAction();
	(*pSrtLst)[ nId ]->GetPosOfContent( *pSh->GetCrsr()->GetPoint() );
	pSh->EndAllAction();
}

	// vergleiche TmpLst mit akt Feldern. Alle neue kommen in die SortLst
	// damit sie geupdatet werden koennen. Returnt die Anzahl.
	// (Fuer Textbausteine: nur seine Input-Felder aktualisieren)
sal_uInt16 SwInputFieldList::BuildSortLst()
{
    const SwFldTypes& rFldTypes = *pSh->GetDoc()->GetFldTypes();
	sal_uInt16 nSize = rFldTypes.Count();

	// Alle Typen abklappern

	for( sal_uInt16 i = 0; i < nSize; ++i )
	{
		SwFieldType* pFldType = (SwFieldType*)rFldTypes[ i ];
		sal_uInt16 nType = pFldType->Which();

		if( RES_SETEXPFLD == nType || RES_INPUTFLD == nType )
		{
			SwIterator<SwFmtFld,SwFieldType> aIter( *pFldType );
            for( SwFmtFld* pFmtFld = aIter.First(); pFmtFld; pFmtFld = aIter.Next() )
			{
				const SwTxtFld* pTxtFld = pFmtFld->GetTxtFld();

				//	nur InputFields und interaktive SetExpFlds bearbeiten
				if( !pTxtFld || ( RES_SETEXPFLD == nType &&
					!((SwSetExpField*)pFmtFld->GetField())->GetInputFlag()))
					continue;

				const SwTxtNode& rTxtNode = pTxtFld->GetTxtNode();
				if( rTxtNode.GetNodes().IsDocNodes() )
				{
					VoidPtr pTmp = (VoidPtr)pTxtFld;
					// nicht in der TempListe vorhanden, also in die SortListe
					// aufnehemen
					sal_uInt16 nFndPos = aTmpLst.GetPos( pTmp );
					if( USHRT_MAX == nFndPos )
					{
						SwNodeIndex aIdx( rTxtNode );
						_SetGetExpFld* pNew = new _SetGetExpFld(aIdx, pTxtFld );
						pSrtLst->Insert( pNew );
					}
					else
						aTmpLst.Remove( nFndPos );
				}
			}
		}
	}

	// die Pointer werden nicht mehr gebraucht
	aTmpLst.Remove( 0, aTmpLst.Count() );
	return pSrtLst->Count();
}

/*--------------------------------------------------------------------
	Beschreibung: Alle Felder auáerhalb von Selektionen aus Liste entfernen
 --------------------------------------------------------------------*/

void SwInputFieldList::RemoveUnselectedFlds()
{
	_SetGetExpFlds*	pNewLst = new _SetGetExpFlds();

	FOREACHPAM_START(pSh)
	{
		for (sal_uInt16 i = 0; i < Count();)
		{
			_SetGetExpFld* pFld = (*pSrtLst)[i];
			SwPosition aPos(*PCURCRSR->GetPoint());

			pFld->GetPos( aPos );

			if (aPos >= *PCURCRSR->Start() && aPos < *PCURCRSR->End())
			{
				// Feld innerhalb der Selektion
				pNewLst->Insert( (*pSrtLst)[i] );
				pSrtLst->Remove(i, 1);
			}
			else
				i++;
		}
	}
	FOREACHPAM_END()

	delete pSrtLst;
	pSrtLst = pNewLst;
}