/**************************************************************
 * 
 * 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_svtools.hxx"

#include <stdio.h>
#include <tools/debug.hxx>
#include <comphelper/processfactory.hxx>
#include <unotools/localedatawrapper.hxx>
#include <vcl/svapp.hxx>
#include <svl/zformat.hxx>
#include <svtools/fmtfield.hxx>
#include <i18npool/mslangid.hxx>
#include <com/sun/star/lang/Locale.hpp>
#include <com/sun/star/util/SearchOptions.hpp>
#include <com/sun/star/util/SearchAlgorithms.hpp>
#include <com/sun/star/util/SearchResult.hpp>
#include <com/sun/star/util/SearchFlags.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include <unotools/syslocale.hxx>

#ifndef REGEXP_SUPPORT
#include <map>
#endif

#if !defined INCLUDED_RTL_MATH_HXX
#include <rtl/math.hxx>
#endif

using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;


#ifdef REGEXP_SUPPORT

//==============================================================================
// regular expression to validate complete numbers, plus every fragment which can occur during the input
// of a complete number
// [+/-][{digit}*.]*{digit}*[,{digit}*][e[+/-]{digit}*]
const char __FAR_DATA szNumericInput[] = "_[-+]?([0-9]*\\,)*[0-9]*(\\.[0-9]*)?(e[-+]?[0-9]*)?_";
	// (the two _ are for normalizing it: With this, we can ensure that a to-be-checked text is always
	// matched as a _whole_)
#else

// hmm. No support for regular expression. Well, I always (not really :) wanted to write a finite automat
// so here comes a finite automat ...

namespace validation
{
	// the states of our automat.
	enum State
	{
		START,				// at the very start of the string
		NUM_START,			// the very start of the number

		DIGIT_PRE_COMMA,	// some pre-comma digits are read, perhaps including some thousand separators

		DIGIT_POST_COMMA,	// reading digits after the comma
		EXPONENT_START,		// at the very start of the exponent value
							//    (means: not including the "e" which denotes the exponent)
		EXPONENT_DIGIT,		// currently reading the digits of the exponent

		END					// reached the end of the string
	};

	// a row in the transition table (means the set of states to be reached from a given state)
	typedef ::std::map< sal_Unicode, State >		StateTransitions;

	// a single transition
	typedef StateTransitions::value_type			Transition;

	// the complete transition table
	typedef	::std::map< State, StateTransitions >	TransitionTable;

	// the validator class
	class NumberValidator
	{
	private:
		TransitionTable		m_aTransitions;
		const sal_Unicode	m_cThSep;
		const sal_Unicode	m_cDecSep;

	public:
		NumberValidator( const sal_Unicode _cThSep, const sal_Unicode _cDecSep );

		sal_Bool isValidNumericFragment( const String& _rText );

	private:
		sal_Bool implValidateNormalized( const String& _rText );
	};

	//--------------------------------------------------------------------------
	//..........................................................................
	static void lcl_insertStopTransition( StateTransitions& _rRow )
	{
		_rRow.insert( Transition( '_', END ) );
	}

	//..........................................................................
	static void lcl_insertStartExponentTransition( StateTransitions& _rRow )
	{
		_rRow.insert( Transition( 'e', EXPONENT_START ) );
	}

	//..........................................................................
	static void lcl_insertSignTransitions( StateTransitions& _rRow, const State eNextState )
	{
		_rRow.insert( Transition( '-', eNextState ) );
		_rRow.insert( Transition( '+', eNextState ) );
	}

	//..........................................................................
	static void lcl_insertDigitTransitions( StateTransitions& _rRow, const State eNextState )
	{
		for ( sal_Unicode aChar = '0'; aChar <= '9'; ++aChar )
			_rRow.insert( Transition( aChar, eNextState ) );
	}

	//..........................................................................
	static void lcl_insertCommonPreCommaTransitions( StateTransitions& _rRow, const sal_Unicode _cThSep, const sal_Unicode _cDecSep )
	{
		// digits are allowed
		lcl_insertDigitTransitions( _rRow, DIGIT_PRE_COMMA );

		// the thousand separator is allowed
		_rRow.insert( Transition( _cThSep, DIGIT_PRE_COMMA ) );

		// a comma is allowed
		_rRow.insert( Transition( _cDecSep, DIGIT_POST_COMMA ) );
	}

	//--------------------------------------------------------------------------
	NumberValidator::NumberValidator( const sal_Unicode _cThSep, const sal_Unicode _cDecSep )
		:m_cThSep( _cThSep )
		,m_cDecSep( _cDecSep )
	{
		// build up our transition table

		// how to procede from START
		{
			StateTransitions& rRow = m_aTransitions[ START ];
			rRow.insert( Transition( '_', NUM_START ) );
				// if we encounter the normalizing character, we want to procede with the number
		}

		// how to procede from NUM_START
		{
			StateTransitions& rRow = m_aTransitions[ NUM_START ];

			// a sign is allowed
			lcl_insertSignTransitions( rRow, DIGIT_PRE_COMMA );

			// common transitions for the two pre-comma states
			lcl_insertCommonPreCommaTransitions( rRow, m_cThSep, m_cDecSep );

			// the exponent may start here
			// (this would mean string like "_+e10_", but this is a valid fragment, though no valid number)
			lcl_insertStartExponentTransition( rRow );
		}

		// how to procede from DIGIT_PRE_COMMA
		{
			StateTransitions& rRow = m_aTransitions[ DIGIT_PRE_COMMA ];

			// common transitions for the two pre-comma states
			lcl_insertCommonPreCommaTransitions( rRow, m_cThSep, m_cDecSep );

			// the exponent may start here
			lcl_insertStartExponentTransition( rRow );

			// the final transition indicating the end of the string
			// (if there is no comma and no post-comma, then the string may end here)
			lcl_insertStopTransition( rRow );
		}

		// how to procede from DIGIT_POST_COMMA
		{
			StateTransitions& rRow = m_aTransitions[ DIGIT_POST_COMMA ];

			// there might be digits, which would keep the state at DIGIT_POST_COMMA
			lcl_insertDigitTransitions( rRow, DIGIT_POST_COMMA );

			// the exponent may start here
			lcl_insertStartExponentTransition( rRow );

			// the string may end here
			lcl_insertStopTransition( rRow );
		}

		// how to procede from EXPONENT_START
		{
			StateTransitions& rRow = m_aTransitions[ EXPONENT_START ];

			// there may be a sign
			lcl_insertSignTransitions( rRow, EXPONENT_DIGIT );

			// there may be digits
			lcl_insertDigitTransitions( rRow, EXPONENT_DIGIT );

			// the string may end here
			lcl_insertStopTransition( rRow );
		}

		// how to procede from EXPONENT_DIGIT
		{
			StateTransitions& rRow = m_aTransitions[ EXPONENT_DIGIT ];

			// there may be digits
			lcl_insertDigitTransitions( rRow, EXPONENT_DIGIT );

			// the string may end here
			lcl_insertStopTransition( rRow );
		}

		// how to procede from END
		{
			/*StateTransitions& rRow =*/ m_aTransitions[ EXPONENT_DIGIT ];
			// no valid transition to leave this state
			// (note that we, for consistency, nevertheless want to have a row in the table)
		}
	}

	//--------------------------------------------------------------------------
	sal_Bool NumberValidator::implValidateNormalized( const String& _rText )
	{
		const sal_Unicode* pCheckPos = _rText.GetBuffer();
		State eCurrentState = START;

		while ( END != eCurrentState )
		{
			// look up the transition row for the current state
			TransitionTable::const_iterator aRow = m_aTransitions.find( eCurrentState );
			DBG_ASSERT( m_aTransitions.end() != aRow,
				"NumberValidator::implValidateNormalized: invalid transition table (row not found)!" );

			if ( m_aTransitions.end() != aRow )
			{
				// look up the current character in this row
				StateTransitions::const_iterator aTransition = aRow->second.find( *pCheckPos );
				if ( aRow->second.end() != aTransition )
				{
					// there is a valid transition for this character
					eCurrentState = aTransition->second;
					++pCheckPos;
					continue;
				}
			}

			// if we're here, there is no valid transition
			break;
		}

		DBG_ASSERT( ( END != eCurrentState ) || ( 0 == *pCheckPos ),
			"NumberValidator::implValidateNormalized: inconsistency!" );
			// if we're at END, then the string should be done, too - the string should be normalized, means ending
			// a "_" and not containing any other "_" (except at the start), and "_" is the only possibility
			// to reach the END state

		// the string is valid if and only if we reached the final state
		return ( END == eCurrentState );
	}

	//--------------------------------------------------------------------------
	sal_Bool NumberValidator::isValidNumericFragment( const String& _rText )
	{
		if ( !_rText.Len() )
			// empty strings are always allowed
			return sal_True;

		// normalize the string
		String sNormalized( RTL_CONSTASCII_STRINGPARAM( "_") );
		sNormalized.Append( _rText );
		sNormalized.AppendAscii( "_" );

		return implValidateNormalized( sNormalized );
	}
}

#endif

//==============================================================================
SvNumberFormatter* FormattedField::StaticFormatter::s_cFormatter = NULL;
sal_uLong FormattedField::StaticFormatter::s_nReferences = 0;

//------------------------------------------------------------------------------
SvNumberFormatter* FormattedField::StaticFormatter::GetFormatter()
{
	if (!s_cFormatter)
	{
		// get the Office's locale and translate
        LanguageType eSysLanguage = MsLangId::convertLocaleToLanguage(
                SvtSysLocale().GetLocaleData().getLocale() );
		s_cFormatter = new SvNumberFormatter(
			::comphelper::getProcessServiceFactory(),
			eSysLanguage);
	}
	return s_cFormatter;
}

//------------------------------------------------------------------------------
FormattedField::StaticFormatter::StaticFormatter()
{
	++s_nReferences;
}

//------------------------------------------------------------------------------
FormattedField::StaticFormatter::~StaticFormatter()
{
	if (--s_nReferences == 0)
	{
		delete s_cFormatter;
		s_cFormatter = NULL;
	}
}

//==============================================================================
DBG_NAME(FormattedField);

#define INIT_MEMBERS()				\
	 m_aLastSelection(0,0)			\
	,m_dMinValue(0)					\
	,m_dMaxValue(0)					\
	,m_bHasMin(sal_False)				\
	,m_bHasMax(sal_False)				\
	,m_bStrictFormat(sal_True)			\
	,m_bValueDirty(sal_True)			\
	,m_bEnableEmptyField(sal_True)		\
	,m_bAutoColor(sal_False)			\
    ,m_bEnableNaN(sal_False)            \
	,m_dCurrentValue(0)				\
	,m_dDefaultValue(0)				\
	,m_nFormatKey(0)				\
	,m_pFormatter(NULL)				\
	,m_dSpinSize(1)					\
	,m_dSpinFirst(-1000000)			\
	,m_dSpinLast(1000000)			\
	,m_bTreatAsNumber(sal_True)			\
	,m_pLastOutputColor(NULL)       \
    ,m_bUseInputStringForFormatting(false)

//------------------------------------------------------------------------------
FormattedField::FormattedField(Window* pParent, WinBits nStyle, SvNumberFormatter* pInitialFormatter, sal_Int32 nFormatKey)
	:SpinField(pParent, nStyle)
	,INIT_MEMBERS()
{
	DBG_CTOR(FormattedField, NULL);

	if (pInitialFormatter)
	{
		m_pFormatter = pInitialFormatter;
		m_nFormatKey = nFormatKey;
	}
}

//------------------------------------------------------------------------------
FormattedField::FormattedField(Window* pParent, const ResId& rResId, SvNumberFormatter* pInitialFormatter, sal_Int32 nFormatKey)
	:SpinField(pParent, rResId)
	,INIT_MEMBERS()
{
	DBG_CTOR(FormattedField, NULL);

	if (pInitialFormatter)
	{
		m_pFormatter = pInitialFormatter;
		m_nFormatKey = nFormatKey;
	}
}

//------------------------------------------------------------------------------
FormattedField::~FormattedField()
{
	DBG_DTOR(FormattedField, NULL);
}

//------------------------------------------------------------------------------
void FormattedField::SetValidateText(const XubString& rText, const String* pErrorText)
{
	DBG_CHKTHIS(FormattedField, NULL);

	if (CheckText(rText))
		SetText(rText);
	else
		if (pErrorText)
			ImplSetTextImpl(*pErrorText, NULL);
		else
			ImplSetValue(m_dDefaultValue, sal_True);
}

//------------------------------------------------------------------------------
void FormattedField::SetText(const XubString& rStr)
{
	DBG_CHKTHIS(FormattedField, NULL);

	SpinField::SetText(rStr);
	m_bValueDirty = sal_True;
}

//------------------------------------------------------------------------------
void FormattedField::SetText( const XubString& rStr, const Selection& rNewSelection )
{
	DBG_CHKTHIS(FormattedField, NULL);

	SpinField::SetText( rStr, rNewSelection );
	m_bValueDirty = sal_True;
}

//------------------------------------------------------------------------------
void FormattedField::SetTextFormatted(const XubString& rStr)
{
	DBG_CHKTHIS(FormattedField, NULL);

#if defined DBG_UTIL
	if (ImplGetFormatter()->IsTextFormat(m_nFormatKey))
		 DBG_WARNING("FormattedField::SetTextFormatted : valid only with text formats !");
#endif

	m_sCurrentTextValue = rStr;

	String sFormatted;
    double dNumber = 0.0;
    // IsNumberFormat changes the format key parameter
    sal_uInt32 nTempFormatKey = static_cast< sal_uInt32 >( m_nFormatKey );
    if( IsUsingInputStringForFormatting() &&
        ImplGetFormatter()->IsNumberFormat(m_sCurrentTextValue, nTempFormatKey, dNumber) )
        ImplGetFormatter()->GetInputLineString(dNumber, m_nFormatKey, sFormatted);
    else
        ImplGetFormatter()->GetOutputString(m_sCurrentTextValue, m_nFormatKey, sFormatted, &m_pLastOutputColor);

	// calculate the new selection
	Selection aSel(GetSelection());
	Selection aNewSel(aSel);
	aNewSel.Justify();
	sal_uInt16 nNewLen = sFormatted.Len();
	sal_uInt16 nCurrentLen = GetText().Len();
	if ((nNewLen > nCurrentLen) && (aNewSel.Max() == nCurrentLen))
	{	// the new text is longer and the cursor was behind the last char (of the old text)
		if (aNewSel.Min() == 0)
		{	// the whole text was selected -> select the new text on the whole, too
			aNewSel.Max() = nNewLen;
			if (!nCurrentLen)
			{	// there wasn't really a previous selection (as there was no previous text), we're setting a new one -> check the selection options
				sal_uLong nSelOptions = GetSettings().GetStyleSettings().GetSelectionOptions();
				if (nSelOptions & SELECTION_OPTION_SHOWFIRST)
				{	// selection should be from right to left -> swap min and max
					aNewSel.Min() = aNewSel.Max();
					aNewSel.Max() = 0;
				}
			}
		}
		else if (aNewSel.Max() == aNewSel.Min())
		{	// there was no selection -> set the cursor behind the new last char
			aNewSel.Max() = nNewLen;
			aNewSel.Min() = nNewLen;
		}
	}
	else if (aNewSel.Max() > nNewLen)
		aNewSel.Max() = nNewLen;
	else
		aNewSel = aSel;	// don't use the justified version
	SpinField::SetText(sFormatted, aNewSel);
	m_bValueDirty = sal_False;
}

//------------------------------------------------------------------------------
String FormattedField::GetTextValue() const
{
	if (m_bValueDirty)
	{
		((FormattedField*)this)->m_sCurrentTextValue = GetText();
		((FormattedField*)this)->m_bValueDirty = sal_False;
	}
	return m_sCurrentTextValue;
}

//------------------------------------------------------------------------------
void FormattedField::EnableNotANumber( sal_Bool _bEnable )
{
    if ( m_bEnableNaN == _bEnable )
        return;

    m_bEnableNaN = _bEnable;
}

//------------------------------------------------------------------------------
void FormattedField::SetAutoColor(sal_Bool _bAutomatic)
{
	if (_bAutomatic == m_bAutoColor)
		return;

	m_bAutoColor = _bAutomatic;
	if (m_bAutoColor)
	{	// if auto color is switched on, adjust the current text color, too
		if (m_pLastOutputColor)
			SetControlForeground(*m_pLastOutputColor);
		else
			SetControlForeground();
	}
}

//------------------------------------------------------------------------------
void FormattedField::Modify()
{
	DBG_CHKTHIS(FormattedField, NULL);

	if (!IsStrictFormat())
	{
		m_bValueDirty = sal_True;
		SpinField::Modify();
		return;
	}

	String sCheck = GetText();
	if (CheckText(sCheck))
	{
		m_sLastValidText = sCheck;
		m_aLastSelection = GetSelection();
		m_bValueDirty = sal_True;
	}
	else
	{
		ImplSetTextImpl(m_sLastValidText, &m_aLastSelection);
	}

	SpinField::Modify();
}

//------------------------------------------------------------------------------
void FormattedField::ImplSetTextImpl(const XubString& rNew, Selection* pNewSel)
{
	DBG_CHKTHIS(FormattedField, NULL);

	if (m_bAutoColor)
	{
		if (m_pLastOutputColor)
			SetControlForeground(*m_pLastOutputColor);
		else
			SetControlForeground();
	}

	if (pNewSel)
		SpinField::SetText(rNew, *pNewSel);
	else
	{
		Selection aSel(GetSelection());
		aSel.Justify();

		sal_uInt16 nNewLen = rNew.Len();
		sal_uInt16 nCurrentLen = GetText().Len();

		if ((nNewLen > nCurrentLen) && (aSel.Max() == nCurrentLen))
		{	// new new text is longer and the cursor is behind the last char
			if (aSel.Min() == 0)
			{	// the whole text was selected -> select the new text on the whole, too
				aSel.Max() = nNewLen;
				if (!nCurrentLen)
				{	// there wasn't really a previous selection (as there was no previous text), we're setting a new one -> check the selection options
					sal_uLong nSelOptions = GetSettings().GetStyleSettings().GetSelectionOptions();
					if (nSelOptions & SELECTION_OPTION_SHOWFIRST)
					{	// selection should be from right to left -> swap min and max
						aSel.Min() = aSel.Max();
						aSel.Max() = 0;
					}
				}
			}
			else if (aSel.Max() == aSel.Min())
			{	// there was no selection -> set the cursor behind the new last char
				aSel.Max() = nNewLen;
				aSel.Min() = nNewLen;
			}
		}
		else if (aSel.Max() > nNewLen)
			aSel.Max() = nNewLen;
		SpinField::SetText(rNew, aSel);
	}

	m_bValueDirty = sal_True;
		// muss nicht stimmen, aber sicherheitshalber ...
}

//------------------------------------------------------------------------------
long FormattedField::PreNotify(NotifyEvent& rNEvt)
{
	DBG_CHKTHIS(FormattedField, NULL);
	if (rNEvt.GetType() == EVENT_KEYINPUT)
		m_aLastSelection = GetSelection();
	return SpinField::PreNotify(rNEvt);
}

//------------------------------------------------------------------------------
void FormattedField::ImplSetFormatKey(sal_uLong nFormatKey)
{
	DBG_CHKTHIS(FormattedField, NULL);

	m_nFormatKey = nFormatKey;
	sal_Bool bNeedFormatter = (m_pFormatter == NULL) && (nFormatKey != 0);
	if (bNeedFormatter)
	{
		ImplGetFormatter();		// damit wird ein Standard-Formatter angelegt

		m_nFormatKey = nFormatKey;
			// kann sein, dass das in dem Standard-Formatter keinen Sinn macht, aber der nimmt dann ein Default-Format an.
			// Auf diese Weise kann ich einfach einen der - formatteruebergreifended gleichen - Standard-Keys setzen.
		DBG_ASSERT(m_pFormatter->GetEntry(nFormatKey) != NULL, "FormattedField::ImplSetFormatKey : invalid format key !");
			// Wenn SetFormatKey aufgerufen wird, ohne dass ein Formatter existiert, muss der Key einer der Standard-Werte
			// sein, der in allen Formattern (also auch in meinem neu angelegten) vorhanden ist.
	}
}

//------------------------------------------------------------------------------
void FormattedField::SetFormatKey(sal_uLong nFormatKey)
{
	DBG_CHKTHIS(FormattedField, NULL);
	sal_Bool bNoFormatter = (m_pFormatter == NULL);
	ImplSetFormatKey(nFormatKey);
	FormatChanged((bNoFormatter && (m_pFormatter != NULL)) ? FCT_FORMATTER : FCT_KEYONLY);
}

//------------------------------------------------------------------------------
void FormattedField::SetFormatter(SvNumberFormatter* pFormatter, sal_Bool bResetFormat)
{
	DBG_CHKTHIS(FormattedField, NULL);

	if (bResetFormat)
	{
		m_pFormatter = pFormatter;

		// calc the default format key from the Office's UI locale
		if ( m_pFormatter )
		{
			// get the Office's locale and translate
            LanguageType eSysLanguage = MsLangId::convertLocaleToLanguage(
                    SvtSysLocale().GetLocaleData().getLocale() );
			// get the standard numeric format for this language
			m_nFormatKey = m_pFormatter->GetStandardFormat( NUMBERFORMAT_NUMBER, eSysLanguage );
		}
		else
			m_nFormatKey = 0;
	}
	else
	{
		XubString sOldFormat;
		LanguageType aOldLang;
		GetFormat(sOldFormat, aOldLang);

		sal_uInt32 nDestKey = pFormatter->TestNewString(sOldFormat);
		if (nDestKey == NUMBERFORMAT_ENTRY_NOT_FOUND)
		{
			// die Sprache des neuen Formatters
			const SvNumberformat* pDefaultEntry = pFormatter->GetEntry(0);
			LanguageType aNewLang = pDefaultEntry ? pDefaultEntry->GetLanguage() : LANGUAGE_DONTKNOW;

			// den alten Format-String in die neue Sprache konvertieren
			sal_uInt16 nCheckPos;
			short nType;
			pFormatter->PutandConvertEntry(sOldFormat, nCheckPos, nType, nDestKey, aOldLang, aNewLang);
			m_nFormatKey = nDestKey;
		}
		m_pFormatter = pFormatter;
	}

	FormatChanged(FCT_FORMATTER);
}

//------------------------------------------------------------------------------
void FormattedField::GetFormat(XubString& rFormatString, LanguageType& eLang) const
{
	DBG_CHKTHIS(FormattedField, NULL);
	const SvNumberformat* pFormatEntry = ImplGetFormatter()->GetEntry(m_nFormatKey);
	DBG_ASSERT(pFormatEntry != NULL, "FormattedField::GetFormat: no number format for the given format key.");
	rFormatString = pFormatEntry ? pFormatEntry->GetFormatstring() : XubString();
	eLang = pFormatEntry ? pFormatEntry->GetLanguage() : LANGUAGE_DONTKNOW;
}

//------------------------------------------------------------------------------
sal_Bool FormattedField::SetFormat(const XubString& rFormatString, LanguageType eLang)
{
	DBG_CHKTHIS(FormattedField, NULL);
	sal_uInt32 nNewKey = ImplGetFormatter()->TestNewString(rFormatString, eLang);
	if (nNewKey == NUMBERFORMAT_ENTRY_NOT_FOUND)
	{
		sal_uInt16 nCheckPos;
		short nType;
		XubString rFormat(rFormatString);
		if (!ImplGetFormatter()->PutEntry(rFormat, nCheckPos, nType, nNewKey, eLang))
			return sal_False;
		DBG_ASSERT(nNewKey != NUMBERFORMAT_ENTRY_NOT_FOUND, "FormattedField::SetFormatString : PutEntry returned an invalid key !");
	}

	if (nNewKey != m_nFormatKey)
		SetFormatKey(nNewKey);
	return sal_True;
}

//------------------------------------------------------------------------------
sal_Bool FormattedField::GetThousandsSep() const
{
	DBG_ASSERT(!ImplGetFormatter()->IsTextFormat(m_nFormatKey),
		"FormattedField::GetThousandsSep : your'e sure what your'e doing when setting the precision of a text format ?");

	sal_Bool bThousand, IsRed;
	sal_uInt16 nPrecision, nAnzLeading;
	ImplGetFormatter()->GetFormatSpecialInfo(m_nFormatKey, bThousand, IsRed, nPrecision, nAnzLeading);

	return bThousand;
}

//------------------------------------------------------------------------------
void FormattedField::SetThousandsSep(sal_Bool _bUseSeparator)
{
	DBG_ASSERT(!ImplGetFormatter()->IsTextFormat(m_nFormatKey),
		"FormattedField::SetThousandsSep : your'e sure what your'e doing when setting the precision of a text format ?");

	// get the current settings
	sal_Bool bThousand, IsRed;
	sal_uInt16 nPrecision, nAnzLeading;
	ImplGetFormatter()->GetFormatSpecialInfo(m_nFormatKey, bThousand, IsRed, nPrecision, nAnzLeading);
	if (bThousand == _bUseSeparator)
		return;

	// we need the language for the following
	LanguageType eLang;
	String sFmtDescription;
	GetFormat(sFmtDescription, eLang);

	// generate a new format ...
	ImplGetFormatter()->GenerateFormat(sFmtDescription, m_nFormatKey, eLang, _bUseSeparator, IsRed, nPrecision, nAnzLeading);
	// ... and introduce it to the formatter
	sal_uInt16 nCheckPos;
	sal_uInt32  nNewKey;
	short nType;
	ImplGetFormatter()->PutEntry(sFmtDescription, nCheckPos, nType, nNewKey, eLang);

	// set the new key
	ImplSetFormatKey(nNewKey);
	FormatChanged(FCT_THOUSANDSSEP);
}

//------------------------------------------------------------------------------
sal_uInt16 FormattedField::GetDecimalDigits() const
{
	DBG_ASSERT(!ImplGetFormatter()->IsTextFormat(m_nFormatKey),
		"FormattedField::GetDecimalDigits : your'e sure what your'e doing when setting the precision of a text format ?");

	sal_Bool bThousand, IsRed;
	sal_uInt16 nPrecision, nAnzLeading;
	ImplGetFormatter()->GetFormatSpecialInfo(m_nFormatKey, bThousand, IsRed, nPrecision, nAnzLeading);

	return nPrecision;
}

//------------------------------------------------------------------------------
void FormattedField::SetDecimalDigits(sal_uInt16 _nPrecision)
{
	DBG_ASSERT(!ImplGetFormatter()->IsTextFormat(m_nFormatKey),
		"FormattedField::SetDecimalDigits : your'e sure what your'e doing when setting the precision of a text format ?");

	// get the current settings
	sal_Bool bThousand, IsRed;
	sal_uInt16 nPrecision, nAnzLeading;
	ImplGetFormatter()->GetFormatSpecialInfo(m_nFormatKey, bThousand, IsRed, nPrecision, nAnzLeading);
	if (nPrecision == _nPrecision)
		return;

	// we need the language for the following
	LanguageType eLang;
	String sFmtDescription;
	GetFormat(sFmtDescription, eLang);

	// generate a new format ...
	ImplGetFormatter()->GenerateFormat(sFmtDescription, m_nFormatKey, eLang, bThousand, IsRed, _nPrecision, nAnzLeading);
	// ... and introduce it to the formatter
	sal_uInt16 nCheckPos;
	sal_uInt32 nNewKey;
	short nType;
	ImplGetFormatter()->PutEntry(sFmtDescription, nCheckPos, nType, nNewKey, eLang);

	// set the new key
	ImplSetFormatKey(nNewKey);
	FormatChanged(FCT_PRECISION);
}

//------------------------------------------------------------------------------
void FormattedField::FormatChanged( FORMAT_CHANGE_TYPE _nWhat )
{
	DBG_CHKTHIS(FormattedField, NULL);
	m_pLastOutputColor = NULL;

	if ( ( 0 != ( _nWhat & FCT_FORMATTER ) ) && m_pFormatter )
		m_pFormatter->SetEvalDateFormat( NF_EVALDATEFORMAT_INTL_FORMAT );
		// 95845 - 03.04.2002 - fs@openoffice.org

	ReFormat();
}

//------------------------------------------------------------------------------
void FormattedField::Commit()
{
	// remember the old text
	String sOld( GetText() );

	// do the reformat
	ReFormat();
	
	// did the text change?
	if ( GetText() != sOld )
	{	// consider the field as modified
		Modify();
		// but we have the most recent value now
		m_bValueDirty = sal_False;
	}
}

//------------------------------------------------------------------------------
void FormattedField::ReFormat()
{
	if (!IsEmptyFieldEnabled() || GetText().Len())
	{
		if (TreatingAsNumber())
        {
            double dValue = GetValue();
            if ( m_bEnableNaN && ::rtl::math::isNan( dValue ) )
                return;
			ImplSetValue( dValue, sal_True );
        }
		else
			SetTextFormatted(GetTextValue());
	}
}

//------------------------------------------------------------------------------
long FormattedField::Notify(NotifyEvent& rNEvt)
{
	DBG_CHKTHIS(FormattedField, NULL);

	if ((rNEvt.GetType() == EVENT_KEYINPUT) && !IsReadOnly())
	{
		const KeyEvent& rKEvt = *rNEvt.GetKeyEvent();
		sal_uInt16 nMod = rKEvt.GetKeyCode().GetModifier();
		switch ( rKEvt.GetKeyCode().GetCode() )
		{
			case KEY_UP:
			case KEY_DOWN:
			case KEY_PAGEUP:
			case KEY_PAGEDOWN:
				if (!nMod && ImplGetFormatter()->IsTextFormat(m_nFormatKey))
				{
					// the base class would translate this into calls to Up/Down/First/Last,
					// but we don't want this if we are text-formatted
					return 1;
				}
		}
	}

	if ((rNEvt.GetType() == EVENT_COMMAND) && !IsReadOnly())
	{
		const CommandEvent* pCommand = rNEvt.GetCommandEvent();
		if (pCommand->GetCommand() == COMMAND_WHEEL)
		{
			const CommandWheelData* pData = rNEvt.GetCommandEvent()->GetWheelData();
			if ((pData->GetMode() == COMMAND_WHEEL_SCROLL) && ImplGetFormatter()->IsTextFormat(m_nFormatKey))
			{
				// same as above : prevent the base class from doing Up/Down-calls
				// (normally I should put this test into the Up/Down methods itself, shouldn't I ?)
				// FS - 71553 - 19.01.00
				return 1;
			}
		}
	}

	if (rNEvt.GetType() == EVENT_LOSEFOCUS)
	{
		// Sonderbehandlung fuer leere Texte
		if (GetText().Len() == 0)
		{
			if (!IsEmptyFieldEnabled())
			{
				if (TreatingAsNumber())
				{
					ImplSetValue(m_dCurrentValue, sal_True);
					Modify();
				}
				else
				{
					String sNew = GetTextValue();
					if (sNew.Len())
						SetTextFormatted(sNew);
					else
						SetTextFormatted(m_sDefaultText);
				}
				m_bValueDirty = sal_False;
			}
		}
		else
		{
			Commit();
		}
	}

	return SpinField::Notify( rNEvt );
}

//------------------------------------------------------------------------------
void FormattedField::SetMinValue(double dMin)
{
	DBG_CHKTHIS(FormattedField, NULL);
	DBG_ASSERT(m_bTreatAsNumber, "FormattedField::SetMinValue : only to be used in numeric mode !");

	m_dMinValue = dMin;
	m_bHasMin = sal_True;
	// fuer die Ueberpruefung des aktuellen Wertes an der neuen Grenze -> ImplSetValue
	ReFormat();
}

//------------------------------------------------------------------------------
void FormattedField::SetMaxValue(double dMax)
{
	DBG_CHKTHIS(FormattedField, NULL);
	DBG_ASSERT(m_bTreatAsNumber, "FormattedField::SetMaxValue : only to be used in numeric mode !");

	m_dMaxValue = dMax;
	m_bHasMax = sal_True;
	// fuer die Ueberpruefung des aktuellen Wertes an der neuen Grenze -> ImplSetValue
	ReFormat();
}

//------------------------------------------------------------------------------
void FormattedField::SetTextValue(const XubString& rText)
{
	DBG_CHKTHIS(FormattedField, NULL);
	SetText(rText);
	ReFormat();
}

//------------------------------------------------------------------------------
void FormattedField::EnableEmptyField(sal_Bool bEnable)
{
	DBG_CHKTHIS(FormattedField, NULL);
	if (bEnable == m_bEnableEmptyField)
		return;

	m_bEnableEmptyField = bEnable;
	if (!m_bEnableEmptyField && GetText().Len()==0)
		ImplSetValue(m_dCurrentValue, sal_True);
}

//------------------------------------------------------------------------------
void FormattedField::ImplSetValue(double dVal, sal_Bool bForce)
{
	DBG_CHKTHIS(FormattedField, NULL);

	if (m_bHasMin && (dVal<m_dMinValue))
		dVal = m_dMinValue;
	if (m_bHasMax && (dVal>m_dMaxValue))
		dVal = m_dMaxValue;
	if (!bForce && (dVal == GetValue()))
		return;

	DBG_ASSERT(ImplGetFormatter() != NULL, "FormattedField::ImplSetValue : can't set a value without a formatter !");

	m_bValueDirty = sal_False;
	m_dCurrentValue = dVal;

	String sNewText;
	if (ImplGetFormatter()->IsTextFormat(m_nFormatKey))
	{
		// zuerst die Zahl als String im Standard-Format
		String sTemp;
		ImplGetFormatter()->GetOutputString(dVal, 0, sTemp, &m_pLastOutputColor);
		// dann den String entsprechend dem Text-Format
		ImplGetFormatter()->GetOutputString(sTemp, m_nFormatKey, sNewText, &m_pLastOutputColor);
	}
	else
	{
        if( IsUsingInputStringForFormatting())
            ImplGetFormatter()->GetInputLineString(dVal, m_nFormatKey, sNewText);
        else
            ImplGetFormatter()->GetOutputString(dVal, m_nFormatKey, sNewText, &m_pLastOutputColor);
	}

	ImplSetTextImpl(sNewText, NULL);
	m_bValueDirty = sal_False;
	DBG_ASSERT(CheckText(sNewText), "FormattedField::ImplSetValue : formatted string doesn't match the criteria !");
}

//------------------------------------------------------------------------------
sal_Bool FormattedField::ImplGetValue(double& dNewVal)
{
	DBG_CHKTHIS(FormattedField, NULL);

	dNewVal = m_dCurrentValue;
	if (!m_bValueDirty)
		return sal_True;

	dNewVal = m_dDefaultValue;
	String sText(GetText());
	if (!sText.Len())
		return sal_True;

	DBG_ASSERT(ImplGetFormatter() != NULL, "FormattedField::ImplGetValue : can't give you a current value without a formatter !");

	sal_uInt32 nFormatKey = m_nFormatKey;	// IsNumberFormat veraendert den FormatKey ...

	if (ImplGetFormatter()->IsTextFormat(nFormatKey) && m_bTreatAsNumber)
		// damit wir in einem als Text formatierten Feld trotzdem eine Eingabe wie '1,1' erkennen ...
		nFormatKey = 0;

	// Sonderbehandlung fuer %-Formatierung
	if (ImplGetFormatter()->GetType(m_nFormatKey) == NUMBERFORMAT_PERCENT)
	{
		// the language of our format
		LanguageType eLanguage = m_pFormatter->GetEntry(m_nFormatKey)->GetLanguage();
		// the default number format for this language
		sal_uLong nStandardNumericFormat = m_pFormatter->GetStandardFormat(NUMBERFORMAT_NUMBER, eLanguage);

		sal_uInt32 nTempFormat = nStandardNumericFormat;
		double dTemp;
		if (m_pFormatter->IsNumberFormat(sText, nTempFormat, dTemp) &&
			NUMBERFORMAT_NUMBER == m_pFormatter->GetType(nTempFormat))
			// der String entspricht einer Number-Formatierung, hat also nur kein %
			// -> append it
			sText += '%';
		// (with this, a input of '3' becomes '3%', which then by the formatter is translated
		// into 0.03. Without this, the formatter would give us the double 3 for an input '3',
		// which equals 300 percent.
	}
	if (!ImplGetFormatter()->IsNumberFormat(sText, nFormatKey, dNewVal))
		return sal_False;


	if (m_bHasMin && (dNewVal<m_dMinValue))
		dNewVal = m_dMinValue;
	if (m_bHasMax && (dNewVal>m_dMaxValue))
		dNewVal = m_dMaxValue;
	return sal_True;
}

//------------------------------------------------------------------------------
void FormattedField::SetValue(double dVal)
{
	DBG_CHKTHIS(FormattedField, NULL);
	ImplSetValue(dVal, m_bValueDirty);
}

//------------------------------------------------------------------------------
double FormattedField::GetValue()
{
	DBG_CHKTHIS(FormattedField, NULL);

	if ( !ImplGetValue( m_dCurrentValue ) )
	{
        if ( m_bEnableNaN )
            ::rtl::math::setNan( &m_dCurrentValue );
        else
		    m_dCurrentValue = m_dDefaultValue;
	}

	m_bValueDirty = sal_False;
	return m_dCurrentValue;
}

//------------------------------------------------------------------------------
void FormattedField::Up()
{
	DBG_CHKTHIS(FormattedField, NULL);
	SetValue(GetValue() + m_dSpinSize);
		// das setValue handelt Bereichsueberschreitungen (min/max) automatisch
	SetModifyFlag();
	Modify();

	SpinField::Up();
}

//------------------------------------------------------------------------------
void FormattedField::Down()
{
	DBG_CHKTHIS(FormattedField, NULL);
	SetValue(GetValue() - m_dSpinSize);
	SetModifyFlag();
	Modify();

	SpinField::Down();
}

//------------------------------------------------------------------------------
void FormattedField::First()
{
	DBG_CHKTHIS(FormattedField, NULL);
	if (m_bHasMin)
	{
		SetValue(m_dMinValue);
		SetModifyFlag();
		Modify();
	}

	SpinField::First();
}

//------------------------------------------------------------------------------
void FormattedField::Last()
{
	DBG_CHKTHIS(FormattedField, NULL);
	if (m_bHasMax)
	{
		SetValue(m_dMaxValue);
		SetModifyFlag();
		Modify();
	}

	SpinField::Last();
}

//------------------------------------------------------------------------------
void FormattedField::UseInputStringForFormatting( bool bUseInputStr /* = true */ )
{
    m_bUseInputStringForFormatting = bUseInputStr;
}

//------------------------------------------------------------------------------
bool FormattedField::IsUsingInputStringForFormatting() const
{
    return m_bUseInputStringForFormatting;
}


//==============================================================================
//------------------------------------------------------------------------------
DoubleNumericField::~DoubleNumericField()
{
#ifdef REGEXP_SUPPORT
	delete m_pConformanceTester;
#else
	delete m_pNumberValidator;
#endif
}

//------------------------------------------------------------------------------
void DoubleNumericField::FormatChanged(FORMAT_CHANGE_TYPE nWhat)
{
	ResetConformanceTester();
	FormattedField::FormatChanged(nWhat);
}

//------------------------------------------------------------------------------
sal_Bool DoubleNumericField::CheckText(const XubString& sText) const
{
	// We'd like to implement this using the NumberFormatter::IsNumberFormat, but unfortunately, this doesn't
	// recognize fragments of numbers (like, for instance "1e", which happens during entering e.g. "1e10")
	// Thus, the roundabout way via a regular expression

#ifdef REGEXP_SUPPORT
	if (!sText.Len())
		return sal_True;

	String sForceComplete = '_';
	sForceComplete += sText;
	sForceComplete += '_';

	sal_uInt16 nStart = 0, nEnd = sForceComplete.Len();
	sal_Bool bFound = m_pConformanceTester->SearchFrwrd(sForceComplete, &nStart, &nEnd);

	if (bFound && (nStart == 0) && (nEnd == sForceComplete.Len()))
		return sal_True;

	return sal_False;
#else
	return m_pNumberValidator->isValidNumericFragment( sText );
#endif
}

//------------------------------------------------------------------------------
void DoubleNumericField::ResetConformanceTester()
{
	// the thousands and the decimal separator are language dependent
	const SvNumberformat* pFormatEntry = ImplGetFormatter()->GetEntry(m_nFormatKey);

	sal_Unicode cSeparatorThousand = ',';
	sal_Unicode cSeparatorDecimal = '.';
	if (pFormatEntry)
	{
        Locale aLocale;
        MsLangId::convertLanguageToLocale( pFormatEntry->GetLanguage(), aLocale );
		LocaleDataWrapper aLocaleInfo(::comphelper::getProcessServiceFactory(), aLocale);

		String sSeparator = aLocaleInfo.getNumThousandSep();
		if (sSeparator.Len())
			cSeparatorThousand = sSeparator.GetBuffer()[0];

		sSeparator = aLocaleInfo.getNumDecimalSep();
		if (sSeparator.Len())
			cSeparatorDecimal = sSeparator.GetBuffer()[0];
	}

#ifdef REGEXP_SUPPORT
	String sDescription = String::CreateFromAscii(szNumericInput);

	String sReplaceWith((sal_Unicode)'\\');
	sReplaceWith += cSeparatorThousand;
	sDescription.SearchAndReplaceAscii("\\,", sReplaceWith);

	sReplaceWith = (sal_Unicode)'\\';
	sReplaceWith += cSeparatorDecimal;
	sDescription.SearchAndReplaceAscii("\\.", sReplaceWith);

	delete m_pConformanceTester;

	SearchOptions aParam;
	aParam.algorithmType = SearchAlgorithms_REGEXP;
	aParam.searchFlag = SearchFlags::ALL_IGNORE_CASE;
	aParam.searchString = sDescription;
	aParam.transliterateFlags = 0;

	String sLanguage, sCountry;
	ConvertLanguageToIsoNames( pFormatEntry ? pFormatEntry->GetLanguage() : LANGUAGE_ENGLISH_US, sLanguage, sCountry );
	aParam.Locale.Language = sLanguage;
	aParam.Locale.Country = sCountry;

	m_pConformanceTester = new ::utl::TextSearch(aParam);
#else
	delete m_pNumberValidator;
	m_pNumberValidator = new validation::NumberValidator( cSeparatorThousand, cSeparatorDecimal );
#endif
}


//==============================================================================

//------------------------------------------------------------------------------
DoubleCurrencyField::DoubleCurrencyField(Window* pParent, WinBits nStyle)
	:FormattedField(pParent, nStyle)
	,m_bChangingFormat(sal_False)
{
	m_bPrependCurrSym = sal_False;

	// initialize with a system currency format
    m_sCurrencySymbol = SvtSysLocale().GetLocaleData().getCurrSymbol();
	UpdateCurrencyFormat();
}

//------------------------------------------------------------------------------
DoubleCurrencyField::DoubleCurrencyField(Window* pParent, const ResId& rResId)
	:FormattedField(pParent, rResId)
	,m_bChangingFormat(sal_False)
{
	m_bPrependCurrSym = sal_False;

	// initialize with a system currency format
    m_sCurrencySymbol = SvtSysLocale().GetLocaleData().getCurrSymbol();
	UpdateCurrencyFormat();
}

//------------------------------------------------------------------------------
void DoubleCurrencyField::FormatChanged(FORMAT_CHANGE_TYPE nWhat)
{
	if (m_bChangingFormat)
	{
		FormattedField::FormatChanged(nWhat);
		return;
	}

	switch (nWhat)
	{
		case FCT_FORMATTER:
		case FCT_PRECISION:
		case FCT_THOUSANDSSEP:
			// the aspects which changed don't take our currency settings into account (in fact, they most probably
			// destroyed them)
			UpdateCurrencyFormat();
			break;
		case FCT_KEYONLY:
			DBG_ERROR("DoubleCurrencyField::FormatChanged : somebody modified my key !");
			// We always build our own format from the settings we get via special methods (setCurrencySymbol etc.).
			// Nobody but ourself should modifiy the format key directly !
			break;
	}

	FormattedField::FormatChanged(nWhat);
}

//------------------------------------------------------------------------------
void DoubleCurrencyField::setCurrencySymbol(const String& _sSymbol)
{
	if (m_sCurrencySymbol == _sSymbol)
		return;

	m_sCurrencySymbol  = _sSymbol;
	UpdateCurrencyFormat();
	FormatChanged(FCT_CURRENCY_SYMBOL);
}

//------------------------------------------------------------------------------
void DoubleCurrencyField::setPrependCurrSym(sal_Bool _bPrepend)
{
	if (m_bPrependCurrSym == _bPrepend)
		 return;

	m_bPrependCurrSym = _bPrepend;
	UpdateCurrencyFormat();
	FormatChanged(FCT_CURRSYM_POSITION);
}

//------------------------------------------------------------------------------
void DoubleCurrencyField::UpdateCurrencyFormat()
{
	// the old settings
	XubString sOldFormat;
	LanguageType eLanguage;
	GetFormat(sOldFormat, eLanguage);
	sal_Bool bThSep = GetThousandsSep();
	sal_uInt16 nDigits = GetDecimalDigits();

	// build a new format string with the base class' and my own settings
    Locale aLocale;
    MsLangId::convertLanguageToLocale( eLanguage, aLocale );
	LocaleDataWrapper aLocaleInfo(::comphelper::getProcessServiceFactory(), aLocale);

	XubString sNewFormat;
	if (bThSep)
	{
		sNewFormat = '#';
		sNewFormat += aLocaleInfo.getNumThousandSep();
		sNewFormat.AppendAscii("##0");
	}
	else
		sNewFormat = '0';

	if (nDigits)
	{
		sNewFormat += aLocaleInfo.getNumDecimalSep();

		XubString sTemp;
		sTemp.Fill(nDigits, '0');
		sNewFormat += sTemp;
	}

	if (getPrependCurrSym())
	{
		XubString sSymbol = getCurrencySymbol();
		sSymbol.EraseLeadingChars(' ');
		sSymbol.EraseTrailingChars(' ');

		XubString sTemp = String::CreateFromAscii("[$");
		sTemp += sSymbol;
		sTemp.AppendAscii("] ");
		sTemp += sNewFormat;

		// for negative values : $ -0.00, not -$ 0.00 ...
		// (the real solution would be a possibility to choose a "positive currency format" and a "negative currency format" ...
		// But not now ... (and hey, you could take a formatted field for this ....))
		// FS - 31.03.00 74642
		sTemp.AppendAscii(";[$");
		sTemp += sSymbol;
		sTemp.AppendAscii("] -");
		sTemp += sNewFormat;

		sNewFormat = sTemp;
	}
	else
	{
		XubString sTemp = getCurrencySymbol();
		sTemp.EraseLeadingChars(' ');
		sTemp.EraseTrailingChars(' ');

		sNewFormat += String::CreateFromAscii(" [$");
		sNewFormat += sTemp;
		sNewFormat += ']';
	}

	// set this new basic format
	m_bChangingFormat = sal_True;
	SetFormat(sNewFormat, eLanguage);
	m_bChangingFormat = sal_False;
}