/**************************************************************
 * 
 * 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_dbaccess.hxx"

#ifndef _DBAUI_DBFINDEX_HXX_
#include "dbfindex.hxx"
#endif

#ifndef _CONFIG_HXX
#include <tools/config.hxx>
#endif
#ifndef _SFXAPP_HXX //autogen
#include <sfx2/app.hxx>
#endif
#ifndef _DBAUI_MODULE_DBU_HXX_
#include "moduledbu.hxx"
#endif
#ifndef _DBU_DLG_HRC_
#include "dbu_dlg.hrc"
#endif
#ifndef _DBAUI_DBF_INDEXES_HRC_
#include "dbfindex.hrc"
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _UNOTOOLS_LOCALFILEHELPER_HXX
#include <unotools/localfilehelper.hxx>
#endif
#ifndef _URLOBJ_HXX
#include <tools/urlobj.hxx>
#endif
#ifndef INCLUDED_SVTOOLS_PATHOPTIONS_HXX
#include <unotools/pathoptions.hxx>
#endif
#ifndef _UCBHELPER_CONTENT_HXX
#include <ucbhelper/content.hxx>
#endif
#ifndef SVTOOLS_FILENOTATION_HXX_
#include <svl/filenotation.hxx>
#endif


//.........................................................................
namespace dbaui
{
//.........................................................................

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::ucb;
using namespace ::svt;

const ByteString aGroupIdent("dBase III");

//////////////////////////////////////////////////////////////////////////
// Klasse ODbaseIndexDialog
DBG_NAME(ODbaseIndexDialog)
//-------------------------------------------------------------------------
ODbaseIndexDialog::ODbaseIndexDialog( Window * pParent, String aDataSrcName )
	: ModalDialog( pParent, ModuleRes(DLG_DBASE_INDEXES) ),
	aPB_OK(				this, ModuleRes( PB_OK ) ),
	aPB_CANCEL(			this, ModuleRes( PB_CANCEL ) ),
	aPB_HELP(			this, ModuleRes( PB_HELP ) ),
	m_FT_Tables(		this, ModuleRes( FT_TABLES ) ),
	aCB_Tables(			this, ModuleRes( CB_TABLES ) ),
    m_FL_Indexes(       this, ModuleRes( FL_INDEXES ) ),
	m_FT_TableIndexes(	this, ModuleRes( FT_TABLEINDEXES ) ),
	aLB_TableIndexes(	this, ModuleRes( LB_TABLEINDEXES ) ),
	m_FT_AllIndexes(	this, ModuleRes( FT_ALLINDEXES ) ),
	aLB_FreeIndexes(	this, ModuleRes( LB_FREEINDEXES ) ),
    aIB_Add(            this, ModuleRes( IB_ADD ) ),
    aIB_Remove(         this, ModuleRes( IB_REMOVE ) ),
    aIB_AddAll(         this, ModuleRes( IB_ADDALL ) ),
    aIB_RemoveAll(      this, ModuleRes( IB_REMOVEALL ) ),
	m_aDSN(aDataSrcName),
	m_bCaseSensitiv(sal_True)
{
    DBG_CTOR(ODbaseIndexDialog,NULL);

	aCB_Tables.SetSelectHdl( LINK(this, ODbaseIndexDialog, TableSelectHdl) );
    aIB_Add.SetClickHdl( LINK(this, ODbaseIndexDialog, AddClickHdl) );
    aIB_Remove.SetClickHdl( LINK(this, ODbaseIndexDialog, RemoveClickHdl) );
    aIB_AddAll.SetClickHdl( LINK(this, ODbaseIndexDialog, AddAllClickHdl) );
    aIB_RemoveAll.SetClickHdl( LINK(this, ODbaseIndexDialog, RemoveAllClickHdl) );
	aPB_OK.SetClickHdl( LINK(this, ODbaseIndexDialog, OKClickHdl) );

	aLB_FreeIndexes.SetSelectHdl( LINK(this, ODbaseIndexDialog, OnListEntrySelected) );
	aLB_TableIndexes.SetSelectHdl( LINK(this, ODbaseIndexDialog, OnListEntrySelected) );

	aCB_Tables.SetDropDownLineCount(8);
	Init();
	SetCtrls();
	FreeResource();

	// set Hi contrast bitmaps
	aIB_Add.SetModeImage(		ModuleRes(IMG_ONE_LEFT_H),BMP_COLOR_HIGHCONTRAST);
	aIB_AddAll.SetModeImage(	ModuleRes(IMG_ALL_LEFT_H),BMP_COLOR_HIGHCONTRAST);
	aIB_Remove.SetModeImage(	ModuleRes(IMG_ONE_RIGHT_H),BMP_COLOR_HIGHCONTRAST);
	aIB_RemoveAll.SetModeImage(	ModuleRes(IMG_ALL_RIGHT_H),BMP_COLOR_HIGHCONTRAST);
}

//-------------------------------------------------------------------------
ODbaseIndexDialog::~ODbaseIndexDialog()
{

    DBG_DTOR(ODbaseIndexDialog,NULL);
}

//-------------------------------------------------------------------------
sal_Bool ODbaseIndexDialog::GetTable(const String& _rName, TableInfoListIterator& _rPosition)
{
	for (	_rPosition = m_aTableInfoList.begin();
			_rPosition != m_aTableInfoList.end();
			++_rPosition
		)
	{
		if (m_bCaseSensitiv)
		{
			if (_rPosition->aTableName.Equals(_rName))
				return sal_True;
		}
		else
		{
			if (_rPosition->aTableName.EqualsIgnoreCaseAscii(_rName))
				return sal_True;
		}
	}
	return sal_False;
}

//-------------------------------------------------------------------------
void ODbaseIndexDialog::checkButtons()
{
    aIB_Add.Enable(0 != aLB_FreeIndexes.GetSelectEntryCount());
    aIB_AddAll.Enable(0 != aLB_FreeIndexes.GetEntryCount());

    aIB_Remove.Enable(0 != aLB_TableIndexes.GetSelectEntryCount());
    aIB_RemoveAll.Enable(0 != aLB_TableIndexes.GetEntryCount());
}

//-------------------------------------------------------------------------
OTableIndex ODbaseIndexDialog::implRemoveIndex(const String& _rName, TableIndexList& _rList, ListBox& _rDisplay, sal_Bool _bMustExist)
{
	OTableIndex aReturn;

	sal_Int32 nPos = 0;

	TableIndexListIterator aSearch;
    for (	aSearch = _rList.begin();
			aSearch != _rList.end();
			++aSearch, ++nPos
		)
	{
		if ( m_bCaseSensitiv ? aSearch->GetIndexFileName().Equals(_rName) : aSearch->GetIndexFileName().EqualsIgnoreCaseAscii(_rName) )
		{
			aReturn = *aSearch;

			_rList.erase(aSearch);
			_rDisplay.RemoveEntry( _rName );

			// adjust selection if necessary
			if ((sal_uInt32)nPos == _rList.size())
				_rDisplay.SelectEntryPos((sal_uInt16)nPos-1);
			else
				_rDisplay.SelectEntryPos((sal_uInt16)nPos);

			break;
		}
	}

    (void)_bMustExist;
	DBG_ASSERT(!_bMustExist || (aSearch != _rList.end()), "ODbaseIndexDialog::implRemoveIndex : did not find the index!");
	return aReturn;
}

//-------------------------------------------------------------------------
void ODbaseIndexDialog::implInsertIndex(const OTableIndex& _rIndex, TableIndexList& _rList, ListBox& _rDisplay)
{
	_rList.push_front( _rIndex );
	_rDisplay.InsertEntry( _rIndex.GetIndexFileName() );
	_rDisplay.SelectEntryPos(0);
}

//-------------------------------------------------------------------------
OTableIndex ODbaseIndexDialog::RemoveTableIndex( const String& _rTableName, const String& _rIndexName, sal_Bool _bMustExist )
{
	OTableIndex aReturn;

	// does the table exist ?
	TableInfoListIterator aTablePos;
	if (!GetTable(_rTableName, aTablePos))
		return aReturn;

	return implRemoveIndex(_rIndexName, aTablePos->aIndexList, aLB_TableIndexes, _bMustExist);
}

//-------------------------------------------------------------------------
void ODbaseIndexDialog::InsertTableIndex( const String& _rTableName, const OTableIndex& _rIndex)
{
	TableInfoListIterator aTablePos;
	if (!GetTable(_rTableName, aTablePos))
		return;

	implInsertIndex(_rIndex, aTablePos->aIndexList, aLB_TableIndexes);
}

//-------------------------------------------------------------------------
IMPL_LINK( ODbaseIndexDialog, OKClickHdl, PushButton*, /*pButton*/ )
{
	// let all tables write their INF file

	for	(	ConstTableInfoListIterator aLoop = m_aTableInfoList.begin();
			aLoop != m_aTableInfoList.end();
			++aLoop
		)
		aLoop->WriteInfFile(m_aDSN);

	EndDialog();
	return 0;
}

//-------------------------------------------------------------------------
IMPL_LINK( ODbaseIndexDialog, AddClickHdl, PushButton*, /*pButton*/ )
{
	String aSelection = aLB_FreeIndexes.GetSelectEntry();
	String aTableName = aCB_Tables.GetText();
	OTableIndex aIndex = RemoveFreeIndex( aSelection, sal_True );
	InsertTableIndex( aTableName, aIndex );

	checkButtons();
	return 0;
}

//-------------------------------------------------------------------------
IMPL_LINK( ODbaseIndexDialog, RemoveClickHdl, PushButton*, /*pButton*/ )
{
	String aSelection = aLB_TableIndexes.GetSelectEntry();
	String aTableName = aCB_Tables.GetText();
	OTableIndex aIndex = RemoveTableIndex( aTableName, aSelection, sal_True );
	InsertFreeIndex( aIndex );

	checkButtons();
	return 0;
}

//-------------------------------------------------------------------------
IMPL_LINK( ODbaseIndexDialog, AddAllClickHdl, PushButton*, /*pButton*/ )
{
	sal_uInt16 nCnt = aLB_FreeIndexes.GetEntryCount();
	String aTableName = aCB_Tables.GetText();
	String aEntry;

	for( sal_uInt16 nPos = 0; nPos < nCnt; ++nPos )
		InsertTableIndex( aTableName, RemoveFreeIndex( aLB_FreeIndexes.GetEntry(0), sal_True ) );

	checkButtons();
	return 0;
}

//-------------------------------------------------------------------------
IMPL_LINK( ODbaseIndexDialog, RemoveAllClickHdl, PushButton*, /*pButton*/ )
{
	sal_uInt16 nCnt = aLB_TableIndexes.GetEntryCount();
	String aTableName = aCB_Tables.GetText();
	String aEntry;

	for( sal_uInt16 nPos = 0; nPos < nCnt; ++nPos )
		InsertFreeIndex( RemoveTableIndex( aTableName, aLB_TableIndexes.GetEntry(0), sal_True ) );

	checkButtons();
	return 0;
}

//-------------------------------------------------------------------------
IMPL_LINK( ODbaseIndexDialog, OnListEntrySelected, ListBox*, /*NOTINTERESTEDIN*/ )
{
	checkButtons();
	return 0;
}

//-------------------------------------------------------------------------
IMPL_LINK( ODbaseIndexDialog, TableSelectHdl, ComboBox*, pComboBox )
{
	// search the table
	TableInfoListIterator aTablePos;
	if (!GetTable(pComboBox->GetText(), aTablePos))
		return 0L;

	// fill the listbox for the indexes
	aLB_TableIndexes.Clear();
	for (	ConstTableIndexListIterator aLoop = aTablePos->aIndexList.begin();
			aLoop != aTablePos->aIndexList.end();
			++aLoop
		)
		aLB_TableIndexes.InsertEntry( aLoop->GetIndexFileName() );

	if ( aTablePos->aIndexList.size() )
		aLB_TableIndexes.SelectEntryPos(0);

	checkButtons();
	return 0;
}

//-------------------------------------------------------------------------
void ODbaseIndexDialog::Init()
{
	aPB_OK.Disable();
    m_FL_Indexes.Disable();
	m_FT_TableIndexes.Disable();
	aLB_TableIndexes.Disable();
	m_FT_AllIndexes.Disable();
	aLB_FreeIndexes.Disable();
    aIB_Add.Disable();
    aIB_Remove.Disable();
    aIB_AddAll.Disable();
    aIB_RemoveAll.Disable();

	///////////////////////////////////////////////////////////////////////////
	// Alle Indizes werden erst einmal zur Liste der freien Indizes hinzugefuegt.
	// Dann wird fuer jede Tabelle in der Inf-Datei nachgeschaut, welche Indizes sie besitzt.
	// Diese Indizes werden aus der Liste der freien Indizes entfernt
	// und in die Indexliste der Tabelle eingetragen

	///////////////////////////////////////////////////////////////////////////
	// if the string does not contain a path, cut the string
	INetURLObject aURL;
	aURL.SetSmartProtocol(INET_PROT_FILE);
	{
		SvtPathOptions aPathOptions;
		m_aDSN = aPathOptions.SubstituteVariable(m_aDSN);
	}
	aURL.SetSmartURL(m_aDSN);


	//	String aFileName = aURL.PathToFileName();
	m_aDSN = aURL.GetMainURL(INetURLObject::NO_DECODE);
	::ucbhelper::Content aFile;
	sal_Bool bFolder=sal_True;
	try
	{
		aFile = ::ucbhelper::Content(m_aDSN,Reference< ::com::sun::star::ucb::XCommandEnvironment >());
		bFolder = aFile.isFolder();
	}
	catch(Exception&)
	{
		return;
	}

	///////////////////////////////////////////////////////////////////////////
	// first assume for all indexes they're free

	Sequence< ::rtl::OUString> aFolderContent( ::utl::LocalFileHelper::GetFolderContents(m_aDSN,bFolder));

	::rtl::OUString aIndexExt = ::rtl::OUString::createFromAscii("ndx");
	::rtl::OUString aTableExt = ::rtl::OUString::createFromAscii("dbf");

	::std::vector< String > aUsedIndexes;

	String aExt;
	const ::rtl::OUString *pBegin = aFolderContent.getConstArray();
	const ::rtl::OUString *pEnd   = pBegin + aFolderContent.getLength();
	aURL.SetSmartProtocol(INET_PROT_FILE);
	for(;pBegin != pEnd;++pBegin)
	{
		String aName;
		::utl::LocalFileHelper::ConvertURLToPhysicalName(pBegin->getStr(),aName);
		aURL.SetSmartURL(aName);
		aExt = aURL.getExtension();
		if(aExt == aIndexExt.getStr())
		{
			m_aFreeIndexList.push_back( OTableIndex(aURL.getName()) );
		}
		else if(aExt == aTableExt.getStr())
		{
			m_aTableInfoList.push_back( OTableInfo(aURL.getName()) );
			OTableInfo& rTabInfo = m_aTableInfoList.back();

			// open the INF file
			aURL.setExtension(String::CreateFromAscii("inf"));
			OFileNotation aTransformer(aURL.GetURLNoPass(), OFileNotation::N_URL);
			Config aInfFile( aTransformer.get(OFileNotation::N_SYSTEM) );
			aInfFile.SetGroup( aGroupIdent );

			///////////////////////////////////////////////////////////////////////////
			// fill the indexes list
			ByteString aNDX;
			sal_uInt16 nKeyCnt = aInfFile.GetKeyCount();
			ByteString aKeyName;
			String aEntry;

			for( sal_uInt16 nKey = 0; nKey < nKeyCnt; nKey++ )
			{
				// does the key point to an index file ?
				aKeyName = aInfFile.GetKeyName( nKey );
				aNDX = aKeyName.Copy(0,3);

				// yes -> add to the tables index list
				if (aNDX == "NDX" )
				{
					aEntry = String(aInfFile.ReadKey(aKeyName), gsl_getSystemTextEncoding());
					rTabInfo.aIndexList.push_back( OTableIndex( aEntry ) );

					// and remove it from the free index list
					aUsedIndexes.push_back(aEntry);
						// do this later below. We may not have encountered the index file, yet, thus we may not
						// know the index as beeing free, yet
				}

			}
		}
	}

	for	(	::std::vector< String >::const_iterator aUsedIndex = aUsedIndexes.begin();
			aUsedIndex != aUsedIndexes.end();
			++aUsedIndex
		)
		RemoveFreeIndex( *aUsedIndex, sal_False );

	if (m_aTableInfoList.size())
	{
		aPB_OK.Enable();
        m_FL_Indexes.Enable();
		m_FT_TableIndexes.Enable();
		aLB_TableIndexes.Enable();
		m_FT_AllIndexes.Enable();
		aLB_FreeIndexes.Enable();
	}

	checkButtons();
}

//-------------------------------------------------------------------------
void ODbaseIndexDialog::SetCtrls()
{
	// ComboBox Tabellen
	for	(	ConstTableInfoListIterator aLoop = m_aTableInfoList.begin();
			aLoop != m_aTableInfoList.end();
			++aLoop
		)
		aCB_Tables.InsertEntry( aLoop->aTableName );

	// Den ersten Datensatz ins Edit stellen
	if( m_aTableInfoList.size() )
	{
		const OTableInfo& rTabInfo = m_aTableInfoList.front();
		aCB_Tables.SetText( rTabInfo.aTableName );

		// ListBox der Tabellenindizes aufbauen
		for	(	ConstTableIndexListIterator aIndex = rTabInfo.aIndexList.begin();
				aIndex != rTabInfo.aIndexList.end();
				++aIndex
			)
			aLB_TableIndexes.InsertEntry( aIndex->GetIndexFileName() );

		if( rTabInfo.aIndexList.size() )
			aLB_TableIndexes.SelectEntryPos( 0 );

	}

	// ListBox freie Indizes
	for	(	ConstTableIndexListIterator aFree = m_aFreeIndexList.begin();
			aFree != m_aFreeIndexList.end();
			++aFree
		)
		aLB_FreeIndexes.InsertEntry( aFree->GetIndexFileName() );

	if( m_aFreeIndexList.size() )
		aLB_FreeIndexes.SelectEntryPos( 0 );


	TableSelectHdl(&aCB_Tables);
	checkButtons();
}

//////////////////////////////////////////////////////////////////////////
// Klasse OTableInfo
//-------------------------------------------------------------------------
void OTableInfo::WriteInfFile( const String& rDSN ) const
{
	// INF-Datei oeffnen
	INetURLObject aURL;
	aURL.SetSmartProtocol(INET_PROT_FILE);
	String aDsn = rDSN;
	{
		SvtPathOptions aPathOptions;
		aDsn = aPathOptions.SubstituteVariable(aDsn);
	}
	aURL.SetSmartURL(aDsn);
	aURL.Append(aTableName);
	aURL.setExtension(String::CreateFromAscii("inf"));

	OFileNotation aTransformer(aURL.GetURLNoPass(), OFileNotation::N_URL);
	Config aInfFile( aTransformer.get(OFileNotation::N_SYSTEM) );
	aInfFile.SetGroup( aGroupIdent );

	// Erst einmal alle Tabellenindizes loeschen
	ByteString aNDX;
	sal_uInt16 nKeyCnt = aInfFile.GetKeyCount();
	ByteString aKeyName;
	ByteString aEntry;
	sal_uInt16 nKey = 0;

	while( nKey < nKeyCnt )
	{
		// Verweist der Key auf ein Indexfile?...
		aKeyName = aInfFile.GetKeyName( nKey );
		aNDX = aKeyName.Copy(0,3);

		//...wenn ja, Indexfile loeschen, nKey steht dann auf nachfolgendem Key
		if( aNDX == "NDX" )
		{
			aInfFile.DeleteKey(aKeyName);
			nKeyCnt--;
		}
		else
			nKey++;

	}

	// Jetzt alle gespeicherten Indizes hinzufuegen
	sal_uInt16 nPos = 0;
	for	(	ConstTableIndexListIterator aIndex = aIndexList.begin();
			aIndex != aIndexList.end();
			++aIndex, ++nPos
		)
	{
		aKeyName = "NDX";
		if( nPos > 0 )	// Erster Index erhaelt keine Ziffer
			aKeyName += ByteString::CreateFromInt32( nPos );
		aInfFile.WriteKey( aKeyName, ByteString(aIndex->GetIndexFileName(), gsl_getSystemTextEncoding()) );
	}

	aInfFile.Flush();

	// Falls nur noch [dbase] in INF-File steht, Datei loeschen
	if(!nPos)
	{
        try
        {
		    ::ucbhelper::Content aContent(aURL.GetURLNoPass(),Reference<XCommandEnvironment>());
		    aContent.executeCommand( rtl::OUString::createFromAscii( "delete" ),makeAny( sal_Bool( sal_True ) ) );
        }
        catch (const Exception& e )
        {
            (void)e;  // make compiler happy
            // simply silent this. The strange algorithm here does a lot of things even if no files at all were
            // created or accessed, so it's possible that the file we're trying to delete does not even exist,
            // and this is a valid condition.
            // 2003-05-15 - #109677# - fs@openoffice.org
        }
	}
}

//.........................................................................
}	// namespace dbaui
//.........................................................................