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Diffstat (limited to '')
| -rw-r--r-- | forms/source/misc/limitedformats.cxx | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/forms/source/misc/limitedformats.cxx b/forms/source/misc/limitedformats.cxx new file mode 100644 index 000000000..b7a0d5abc --- /dev/null +++ b/forms/source/misc/limitedformats.cxx @@ -0,0 +1,379 @@ +/* -*- 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 <limitedformats.hxx> +#include <osl/diagnose.h> +#include <comphelper/types.hxx> +#include <comphelper/extract.hxx> +#include <com/sun/star/form/FormComponentType.hpp> +#include <com/sun/star/util/NumberFormatsSupplier.hpp> + + +namespace frm +{ + + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::util; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::form; + using namespace ::com::sun::star::beans; + + sal_Int32 OLimitedFormats::s_nInstanceCount(0); + ::osl::Mutex OLimitedFormats::s_aMutex; + Reference< XNumberFormatsSupplier > OLimitedFormats::s_xStandardFormats; + + + //= + + namespace { + + enum LocaleType + { + ltEnglishUS, + ltGerman, + ltSystem + }; + + } + + static const Locale& getLocale(LocaleType _eType) + { + static const Locale s_aEnglishUS( "en", "us", OUString() ); + static const Locale s_aGerman( "de", "DE", OUString() ); + static const Locale s_aSystem( "", "", "" ); + + switch (_eType) + { + case ltEnglishUS: + return s_aEnglishUS; + + case ltGerman: + return s_aGerman; + + case ltSystem: + return s_aSystem; + } + + OSL_FAIL("getLocale: invalid enum value!"); + return s_aSystem; + } + + namespace { + + struct FormatEntry + { + const char* pDescription; + sal_Int32 nKey; + LocaleType eLocale; + }; + + } + + static FormatEntry* lcl_getFormatTable(sal_Int16 nTableId) + { + switch (nTableId) + { + case FormComponentType::TIMEFIELD: + { + static FormatEntry s_aFormats[] = { + { "HH:MM", -1, ltEnglishUS }, + { "HH:MM:SS", -1, ltEnglishUS }, + { "HH:MM AM/PM", -1, ltEnglishUS }, + { "HH:MM:SS AM/PM", -1, ltEnglishUS }, + { nullptr, -1, ltSystem } + }; + return s_aFormats; + } + case FormComponentType::DATEFIELD: + { + static FormatEntry s_aFormats[] = { + { "T-M-JJ", -1, ltGerman }, + { "TT-MM-JJ", -1, ltGerman }, + { "TT-MM-JJJJ", -1, ltGerman }, + { "NNNNT. MMMM JJJJ", -1, ltGerman }, + + { "DD/MM/YY", -1, ltEnglishUS }, + { "MM/DD/YY", -1, ltEnglishUS }, + { "YY/MM/DD", -1, ltEnglishUS }, + { "DD/MM/YYYY", -1, ltEnglishUS }, + { "MM/DD/YYYY", -1, ltEnglishUS }, + { "YYYY/MM/DD", -1, ltEnglishUS }, + + { "JJ-MM-TT", -1, ltGerman }, + { "JJJJ-MM-TT", -1, ltGerman }, + + { nullptr, -1, ltSystem } + }; + return s_aFormats; + } + } + + OSL_FAIL("lcl_getFormatTable: invalid id!"); + return nullptr; + } + + OLimitedFormats::OLimitedFormats(const Reference< XComponentContext >& _rxContext, const sal_Int16 _nClassId) + :m_nFormatEnumPropertyHandle(-1) + ,m_nTableId(_nClassId) + { + OSL_ENSURE(_rxContext.is(), "OLimitedFormats::OLimitedFormats: invalid service factory!"); + acquireSupplier(_rxContext); + ensureTableInitialized(m_nTableId); + } + + + OLimitedFormats::~OLimitedFormats() + { + releaseSupplier(); + } + + + void OLimitedFormats::ensureTableInitialized(const sal_Int16 _nTableId) + { + FormatEntry* pFormatTable = lcl_getFormatTable(_nTableId); + if (-1 != pFormatTable->nKey) + return; + + ::osl::MutexGuard aGuard(s_aMutex); + if (-1 != pFormatTable->nKey) + return; + + // initialize the keys + Reference<XNumberFormats> xStandardFormats; + if (s_xStandardFormats.is()) + xStandardFormats = s_xStandardFormats->getNumberFormats(); + OSL_ENSURE(xStandardFormats.is(), "OLimitedFormats::ensureTableInitialized: don't have a formats supplier!"); + + if (!xStandardFormats.is()) + return; + + // loop through the table + FormatEntry* pLoopFormats = pFormatTable; + while (pLoopFormats->pDescription) + { + // get the key for the description + pLoopFormats->nKey = xStandardFormats->queryKey( + OUString::createFromAscii(pLoopFormats->pDescription), + getLocale(pLoopFormats->eLocale), + false + ); + + if (-1 == pLoopFormats->nKey) + { + pLoopFormats->nKey = xStandardFormats->addNew( + OUString::createFromAscii(pLoopFormats->pDescription), + getLocale(pLoopFormats->eLocale) + ); +#ifdef DBG_UTIL + try + { + xStandardFormats->getByKey(pLoopFormats->nKey); + } + catch(const Exception&) + { + OSL_FAIL("OLimitedFormats::ensureTableInitialized: adding the key to the formats collection failed!"); + } +#endif + } + + // next + ++pLoopFormats; + } + } + + + void OLimitedFormats::clearTable(const sal_Int16 _nTableId) + { + ::osl::MutexGuard aGuard(s_aMutex); + FormatEntry* pFormats = lcl_getFormatTable(_nTableId); + FormatEntry* pResetLoop = pFormats; + while (pResetLoop->pDescription) + { + pResetLoop->nKey = -1; + ++pResetLoop; + } + } + + + void OLimitedFormats::setAggregateSet(const Reference< XFastPropertySet >& _rxAggregate, sal_Int32 _nOriginalPropertyHandle) + { + // changes (NULL -> not NULL) and (not NULL -> NULL) are allowed + OSL_ENSURE(!m_xAggregate.is() || !_rxAggregate.is(), "OLimitedFormats::setAggregateSet: already have an aggregate!"); + OSL_ENSURE(_rxAggregate.is() || m_xAggregate.is(), "OLimitedFormats::setAggregateSet: invalid new aggregate!"); + + m_xAggregate = _rxAggregate; + m_nFormatEnumPropertyHandle = _nOriginalPropertyHandle; +#ifdef DBG_UTIL + if (m_xAggregate.is()) + { + try + { + m_xAggregate->getFastPropertyValue(m_nFormatEnumPropertyHandle); + } + catch(const Exception&) + { + OSL_FAIL("OLimitedFormats::setAggregateSet: invalid handle!"); + } + } +#endif + } + + + void OLimitedFormats::getFormatKeyPropertyValue( Any& _rValue ) const + { + _rValue.clear(); + + OSL_ENSURE(m_xAggregate.is() && (-1 != m_nFormatEnumPropertyHandle), "OLimitedFormats::getFormatKeyPropertyValue: not initialized!"); + if (!m_xAggregate.is()) + return; + + // get the aggregate's enum property value + Any aEnumPropertyValue = m_xAggregate->getFastPropertyValue(m_nFormatEnumPropertyHandle); + sal_Int32 nValue = -1; + ::cppu::enum2int(nValue, aEnumPropertyValue); + + // get the translation table + const FormatEntry* pFormats = lcl_getFormatTable(m_nTableId); + + // seek to the nValue'th entry + sal_Int32 nLookup = 0; + for ( ; + (nullptr != pFormats->pDescription) && (nLookup < nValue); + ++pFormats, ++nLookup + ) + ; + OSL_ENSURE(nullptr != pFormats->pDescription, "OLimitedFormats::getFormatKeyPropertyValue: did not find the value!"); + if (pFormats->pDescription) + _rValue <<= pFormats->nKey; + + // TODO: should use a standard format for the control type we're working for + } + + + bool OLimitedFormats::convertFormatKeyPropertyValue(Any& _rConvertedValue, Any& _rOldValue, const Any& _rNewValue) + { + OSL_ENSURE(m_xAggregate.is() && (-1 != m_nFormatEnumPropertyHandle), "OLimitedFormats::convertFormatKeyPropertyValue: not initialized!"); + + if (!m_xAggregate) + return false; + + // the new format key to set + sal_Int32 nNewFormat = 0; + if (!(_rNewValue >>= nNewFormat)) + throw IllegalArgumentException(); + + // get the old (enum) value from the aggregate + Any aEnumPropertyValue = m_xAggregate->getFastPropertyValue(m_nFormatEnumPropertyHandle); + sal_Int32 nOldEnumValue = -1; + ::cppu::enum2int(nOldEnumValue, aEnumPropertyValue); + + // get the translation table + const FormatEntry* pFormats = lcl_getFormatTable(m_nTableId); + + _rOldValue.clear(); + _rConvertedValue.clear(); + + // look for the entry with the given format key + sal_Int32 nTablePosition = 0; + for ( ; + (nullptr != pFormats->pDescription) && (nNewFormat != pFormats->nKey); + ++pFormats, ++nTablePosition + ) + { + if (nTablePosition == nOldEnumValue) + _rOldValue <<= pFormats->nKey; + } + + bool bFoundIt = (nullptr != pFormats->pDescription); + bool bModified = false; + if (bFoundIt) + { + _rConvertedValue <<= static_cast<sal_Int16>(nTablePosition); + bModified = nTablePosition != nOldEnumValue; + } + + if (!_rOldValue.hasValue()) + { // did not reach the end of the table (means we found nNewFormat) + // -> go to the end to ensure that _rOldValue is set + while (pFormats->pDescription) + { + if (nTablePosition == nOldEnumValue) + { + _rOldValue <<= pFormats->nKey; + break; + } + + ++pFormats; + ++nTablePosition; + } + } + + OSL_ENSURE(_rOldValue.hasValue(), "OLimitedFormats::convertFormatKeyPropertyValue: did not find the old enum value in the table!"); + + if (!bFoundIt) + { // somebody gave us a format which we can't translate + throw IllegalArgumentException("This control supports only a very limited number of formats.", nullptr, 2); + } + + return bModified; + } + + + void OLimitedFormats::setFormatKeyPropertyValue( const Any& _rNewValue ) + { + OSL_ENSURE(m_xAggregate.is() && (-1 != m_nFormatEnumPropertyHandle), "OLimitedFormats::setFormatKeyPropertyValue: not initialized!"); + + if (m_xAggregate.is()) + { // this is to be called after convertFormatKeyPropertyValue, where + // we translated the format key into an enum value. + // So now we can simply forward this enum value to our aggregate + m_xAggregate->setFastPropertyValue(m_nFormatEnumPropertyHandle, _rNewValue); + } + } + + + void OLimitedFormats::acquireSupplier(const Reference< XComponentContext >& _rxContext) + { + ::osl::MutexGuard aGuard(s_aMutex); + if (1 == ++s_nInstanceCount) + { // create the standard formatter + s_xStandardFormats = NumberFormatsSupplier::createWithLocale(_rxContext, getLocale(ltEnglishUS)); + } + } + + + void OLimitedFormats::releaseSupplier() + { + ::osl::MutexGuard aGuard(s_aMutex); + if (0 == --s_nInstanceCount) + { + ::comphelper::disposeComponent(s_xStandardFormats); + s_xStandardFormats = nullptr; + + clearTable(FormComponentType::TIMEFIELD); + clearTable(FormComponentType::DATEFIELD); + } + } + + +} // namespace frm + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |