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Diffstat (limited to 'vcl/source/control/longcurr.cxx')
| -rw-r--r-- | vcl/source/control/longcurr.cxx | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/vcl/source/control/longcurr.cxx b/vcl/source/control/longcurr.cxx new file mode 100644 index 000000000..ab2ba50e7 --- /dev/null +++ b/vcl/source/control/longcurr.cxx @@ -0,0 +1,516 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <sal/config.h> + +#include <string_view> + +#include <comphelper/string.hxx> +#include <tools/bigint.hxx> +#include <sal/log.hxx> + +#include <vcl/event.hxx> +#include <vcl/toolkit/field.hxx> + +#include <unotools/localedatawrapper.hxx> + +using namespace ::comphelper; + +namespace +{ + +BigInt ImplPower10( sal_uInt16 n ) +{ + sal_uInt16 i; + BigInt nValue = 1; + + for ( i=0; i < n; i++ ) + nValue *= 10; + + return nValue; +} + +OUString ImplGetCurr( const LocaleDataWrapper& rLocaleDataWrapper, const BigInt &rNumber, sal_uInt16 nDigits, const OUString& rCurrSymbol, bool bShowThousandSep ) +{ + SAL_WARN_IF( nDigits >= 10, "vcl", "LongCurrency may only have 9 decimal places" ); + + if ( rNumber.IsZero() || static_cast<long>(rNumber) ) + return rLocaleDataWrapper.getCurr( static_cast<long>(rNumber), nDigits, rCurrSymbol, bShowThousandSep ); + + BigInt aTmp( ImplPower10( nDigits ) ); + BigInt aInteger( rNumber ); + aInteger.Abs(); + aInteger /= aTmp; + BigInt aFraction( rNumber ); + aFraction.Abs(); + aFraction %= aTmp; + if ( !aInteger.IsZero() ) + { + aFraction += aTmp; + aTmp = 1000000000; + } + if ( rNumber.IsNeg() ) + aFraction *= -1; + + OUStringBuffer aTemplate = rLocaleDataWrapper.getCurr( static_cast<long>(aFraction), nDigits, rCurrSymbol, bShowThousandSep ); + while( !aInteger.IsZero() ) + { + aFraction = aInteger; + aFraction %= aTmp; + aInteger /= aTmp; + if( !aInteger.IsZero() ) + aFraction += aTmp; + + OUString aFractionStr = rLocaleDataWrapper.getNum( static_cast<long>(aFraction), 0 ); + + sal_Int32 nSPos = aTemplate.indexOf( '1' ); + if (nSPos == -1) + break; + if ( aFractionStr.getLength() == 1 ) + aTemplate[ nSPos ] = aFractionStr[0]; + else + { + aTemplate.remove( nSPos, 1 ); + aTemplate.insert( nSPos, aFractionStr ); + } + } + + return aTemplate.makeStringAndClear(); +} + +bool ImplCurrencyGetValue( const OUString& rStr, BigInt& rValue, + sal_uInt16 nDecDigits, const LocaleDataWrapper& rLocaleDataWrapper ) +{ + OUString aStr = rStr; + OUStringBuffer aStr1; + OUStringBuffer aStr2; + sal_Int32 nDecPos; + bool bNegative = false; + + // On empty string + if ( rStr.isEmpty() ) + return false; + + // Trim leading and trailing spaces + aStr = string::strip(aStr, ' '); + + // Find decimal sign's position + nDecPos = aStr.indexOf( rLocaleDataWrapper.getNumDecimalSep() ); + if (nDecPos < 0 && !rLocaleDataWrapper.getNumDecimalSepAlt().isEmpty()) + nDecPos = aStr.indexOf( rLocaleDataWrapper.getNumDecimalSepAlt() ); + + if ( nDecPos != -1 ) + { + aStr1 = aStr.copy( 0, nDecPos ); + aStr2.append(std::u16string_view(aStr).substr(nDecPos+1)); + } + else + aStr1 = aStr; + + // Negative? + if ( (aStr[ 0 ] == '(') && (aStr[ aStr.getLength()-1 ] == ')') ) + bNegative = true; + if ( !bNegative ) + { + for (sal_Int32 i=0; i < aStr.getLength(); i++ ) + { + if ( (aStr[ i ] >= '0') && (aStr[ i ] <= '9') ) + break; + else if ( aStr[ i ] == '-' ) + { + bNegative = true; + break; + } + } + } + if ( !bNegative && !aStr.isEmpty() ) + { + sal_uInt16 nFormat = rLocaleDataWrapper.getCurrNegativeFormat(); + if ( (nFormat == 3) || (nFormat == 6) || + (nFormat == 7) || (nFormat == 10) ) + { + for (sal_Int32 i = aStr.getLength()-1; i > 0; i++ ) + { + if ( (aStr[ i ] >= '0') && (aStr[ i ] <= '9') ) + break; + else if ( aStr[ i ] == '-' ) + { + bNegative = true; + break; + } + } + } + } + + // delete unwanted characters + for (sal_Int32 i=0; i < aStr1.getLength(); ) + { + if ( (aStr1[ i ] >= '0') && (aStr1[ i ] <= '9') ) + i++; + else + aStr1.remove( i, 1 ); + } + for (sal_Int32 i=0; i < aStr2.getLength(); ) + { + if ((aStr2[i] >= '0') && (aStr2[i] <= '9')) + ++i; + else + aStr2.remove(i, 1); + } + + if ( aStr1.isEmpty() && aStr2.isEmpty()) + return false; + + if ( aStr1.isEmpty() ) + aStr1 = "0"; + if ( bNegative ) + aStr1.insert( 0, '-'); + + // Cut down decimal part and round while doing so + bool bRound = false; + if (aStr2.getLength() > nDecDigits) + { + if (aStr2[nDecDigits] >= '5') + bRound = true; + string::truncateToLength(aStr2, nDecDigits); + } + if (aStr2.getLength() < nDecDigits) + string::padToLength(aStr2, nDecDigits, '0'); + + aStr1.append(aStr2); + aStr = aStr1.makeStringAndClear(); + + // check range + BigInt nValue( aStr ); + if ( bRound ) + { + if ( !bNegative ) + nValue+=1; + else + nValue-=1; + } + + rValue = nValue; + + return true; +} + +} // namespace + +static bool ImplLongCurrencyGetValue( const OUString& rStr, BigInt& rValue, + sal_uInt16 nDecDigits, const LocaleDataWrapper& rLocaleDataWrapper ) +{ + return ImplCurrencyGetValue( rStr, rValue, nDecDigits, rLocaleDataWrapper ); +} + +bool ImplLongCurrencyReformat( const OUString& rStr, BigInt const & nMin, BigInt const & nMax, + sal_uInt16 nDecDigits, + const LocaleDataWrapper& rLocaleDataWrapper, OUString& rOutStr, + LongCurrencyFormatter const & rFormatter ) +{ + BigInt nValue; + if ( !ImplCurrencyGetValue( rStr, nValue, nDecDigits, rLocaleDataWrapper ) ) + return true; + else + { + BigInt nTempVal = nValue; + if ( nTempVal > nMax ) + nTempVal = nMax; + else if ( nTempVal < nMin ) + nTempVal = nMin; + + rOutStr = ImplGetCurr( rLocaleDataWrapper, nTempVal, nDecDigits, rFormatter.GetCurrencySymbol(), rFormatter.IsUseThousandSep() ); + return true; + } +} + +void LongCurrencyFormatter::ImpInit() +{ + mnLastValue = 0; + mnMin = 0; + mnMax = 0x7FFFFFFF; + mnMax *= 0x7FFFFFFF; + mnDecimalDigits = 0; + mbThousandSep = true; + SetDecimalDigits( 0 ); +} + +LongCurrencyFormatter::LongCurrencyFormatter(Edit* pEdit) + : FormatterBase(pEdit) +{ + ImpInit(); +} + +LongCurrencyFormatter::~LongCurrencyFormatter() +{ +} + +void LongCurrencyFormatter::SetCurrencySymbol( const OUString& rStr ) +{ + maCurrencySymbol= rStr; + ReformatAll(); +} + +OUString const & LongCurrencyFormatter::GetCurrencySymbol() const +{ + return !maCurrencySymbol.isEmpty() ? maCurrencySymbol : GetLocaleDataWrapper().getCurrSymbol(); +} + +void LongCurrencyFormatter::SetValue(const BigInt& rNewValue) +{ + SetUserValue(rNewValue); + SetEmptyFieldValueData( false ); +} + +void LongCurrencyFormatter::SetUserValue( BigInt nNewValue ) +{ + if ( nNewValue > mnMax ) + nNewValue = mnMax; + else if ( nNewValue < mnMin ) + nNewValue = mnMin; + mnLastValue = nNewValue; + + if ( !GetField() ) + return; + + OUString aStr = ImplGetCurr( GetLocaleDataWrapper(), nNewValue, GetDecimalDigits(), GetCurrencySymbol(), IsUseThousandSep() ); + if ( GetField()->HasFocus() ) + { + Selection aSelection = GetField()->GetSelection(); + GetField()->SetText( aStr ); + GetField()->SetSelection( aSelection ); + } + else + GetField()->SetText( aStr ); + MarkToBeReformatted( false ); +} + +BigInt LongCurrencyFormatter::GetValue() const +{ + if ( !GetField() ) + return 0; + + BigInt nTempValue; + if ( ImplLongCurrencyGetValue( GetField()->GetText(), nTempValue, GetDecimalDigits(), GetLocaleDataWrapper() ) ) + { + if ( nTempValue > mnMax ) + nTempValue = mnMax; + else if ( nTempValue < mnMin ) + nTempValue = mnMin; + return nTempValue; + } + else + return mnLastValue; +} + +void LongCurrencyFormatter::Reformat() +{ + if ( !GetField() ) + return; + + if ( GetField()->GetText().isEmpty() && ImplGetEmptyFieldValue() ) + return; + + OUString aStr; + bool bOK = ImplLongCurrencyReformat( GetField()->GetText(), mnMin, mnMax, + GetDecimalDigits(), GetLocaleDataWrapper(), aStr, *this ); + if ( !bOK ) + return; + + if ( !aStr.isEmpty() ) + { + GetField()->SetText( aStr ); + MarkToBeReformatted( false ); + ImplLongCurrencyGetValue( aStr, mnLastValue, GetDecimalDigits(), GetLocaleDataWrapper() ); + } + else + SetValue( mnLastValue ); +} + +void LongCurrencyFormatter::ReformatAll() +{ + Reformat(); +} + +void LongCurrencyFormatter::SetMin(const BigInt& rNewMin) +{ + mnMin = rNewMin; + ReformatAll(); +} + +void LongCurrencyFormatter::SetMax(const BigInt& rNewMax) +{ + mnMax = rNewMax; + ReformatAll(); +} + +void LongCurrencyFormatter::SetUseThousandSep( bool b ) +{ + mbThousandSep = b; + ReformatAll(); +} + +void LongCurrencyFormatter::SetDecimalDigits( sal_uInt16 nDigits ) +{ + if ( nDigits > 9 ) + nDigits = 9; + + mnDecimalDigits = nDigits; + ReformatAll(); +} + + +void ImplNewLongCurrencyFieldValue(LongCurrencyField* pField, const BigInt& rNewValue) +{ + Selection aSelect = pField->GetSelection(); + aSelect.Justify(); + OUString aText = pField->GetText(); + bool bLastSelected = aSelect.Max() == aText.getLength(); + + BigInt nOldLastValue = pField->mnLastValue; + pField->SetUserValue(rNewValue); + pField->mnLastValue = nOldLastValue; + + if ( bLastSelected ) + { + if ( !aSelect.Len() ) + aSelect.Min() = SELECTION_MAX; + aSelect.Max() = SELECTION_MAX; + } + pField->SetSelection( aSelect ); + pField->SetModifyFlag(); + pField->Modify(); +} + +LongCurrencyField::LongCurrencyField(vcl::Window* pParent, WinBits nWinStyle) + : SpinField( pParent, nWinStyle ) + , LongCurrencyFormatter(this) +{ + mnSpinSize = 1; + mnFirst = mnMin; + mnLast = mnMax; + + Reformat(); +} + +bool LongCurrencyField::EventNotify( NotifyEvent& rNEvt ) +{ + if( rNEvt.GetType() == MouseNotifyEvent::GETFOCUS ) + { + MarkToBeReformatted( false ); + } + else if( rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS ) + { + if ( MustBeReformatted() ) + { + Reformat(); + SpinField::Modify(); + } + } + return SpinField::EventNotify( rNEvt ); +} + +void LongCurrencyField::Modify() +{ + MarkToBeReformatted( true ); + SpinField::Modify(); +} + +void LongCurrencyField::Up() +{ + BigInt nValue = GetValue(); + nValue += mnSpinSize; + if ( nValue > mnMax ) + nValue = mnMax; + + ImplNewLongCurrencyFieldValue( this, nValue ); + SpinField::Up(); +} + +void LongCurrencyField::Down() +{ + BigInt nValue = GetValue(); + nValue -= mnSpinSize; + if ( nValue < mnMin ) + nValue = mnMin; + + ImplNewLongCurrencyFieldValue( this, nValue ); + SpinField::Down(); +} + +void LongCurrencyField::First() +{ + ImplNewLongCurrencyFieldValue( this, mnFirst ); + SpinField::First(); +} + +void LongCurrencyField::Last() +{ + ImplNewLongCurrencyFieldValue( this, mnLast ); + SpinField::Last(); +} + +LongCurrencyBox::LongCurrencyBox(vcl::Window* pParent, WinBits nWinStyle) + : ComboBox(pParent, nWinStyle) + , LongCurrencyFormatter(this) +{ + Reformat(); +} + +bool LongCurrencyBox::EventNotify( NotifyEvent& rNEvt ) +{ + if( rNEvt.GetType() == MouseNotifyEvent::GETFOCUS ) + { + MarkToBeReformatted( false ); + } + else if( rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS ) + { + if ( MustBeReformatted() ) + { + Reformat(); + ComboBox::Modify(); + } + } + return ComboBox::EventNotify( rNEvt ); +} + +void LongCurrencyBox::Modify() +{ + MarkToBeReformatted( true ); + ComboBox::Modify(); +} + +void LongCurrencyBox::ReformatAll() +{ + OUString aStr; + SetUpdateMode( false ); + const sal_Int32 nEntryCount = GetEntryCount(); + for ( sal_Int32 i=0; i < nEntryCount; ++i ) + { + ImplLongCurrencyReformat( GetEntry( i ), mnMin, mnMax, + GetDecimalDigits(), GetLocaleDataWrapper(), + aStr, *this ); + RemoveEntryAt(i); + InsertEntry( aStr, i ); + } + LongCurrencyFormatter::Reformat(); + SetUpdateMode( true ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |