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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /forms/source/component/FormattedFieldWrapper.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'forms/source/component/FormattedFieldWrapper.cxx')
-rw-r--r--forms/source/component/FormattedFieldWrapper.cxx360
1 files changed, 360 insertions, 0 deletions
diff --git a/forms/source/component/FormattedFieldWrapper.cxx b/forms/source/component/FormattedFieldWrapper.cxx
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+/* -*- 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 "FormattedFieldWrapper.hxx"
+#include "Edit.hxx"
+#include "FormattedField.hxx"
+#include <services.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <connectivity/dbtools.hxx>
+#include <tools/debug.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <com/sun/star/io/XMarkableStream.hpp>
+
+using namespace comphelper;
+using namespace frm;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::sdb;
+using namespace ::com::sun::star::sdbc;
+using namespace ::com::sun::star::sdbcx;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::form;
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::io;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::util;
+
+OFormattedFieldWrapper::OFormattedFieldWrapper(const Reference<XComponentContext>& _rxFactory)
+ :m_xContext(_rxFactory)
+{
+}
+
+css::uno::Reference<css::uno::XInterface> OFormattedFieldWrapper::createFormattedFieldWrapper(const css::uno::Reference< css::uno::XComponentContext>& _rxFactory, bool bActAsFormatted)
+{
+ rtl::Reference<OFormattedFieldWrapper> pRef = new OFormattedFieldWrapper(_rxFactory);
+
+ if (bActAsFormatted)
+ {
+ // instantiate a FormattedModel
+ // (instantiate it directly ..., as the OFormattedModel isn't
+ // registered for any service names anymore)
+ rtl::Reference<OFormattedModel> pModel = new OFormattedModel(pRef->m_xContext);
+
+ pRef->m_xAggregate = pModel;
+ OSL_ENSURE(pRef->m_xAggregate.is(), "the OFormattedModel didn't have an XAggregation interface !");
+
+ // _before_ setting the delegator, give it to the member references
+ pRef->m_xFormattedPart = pModel;
+ pRef->m_pEditPart.set(new OEditModel(pRef->m_xContext));
+ }
+
+ if (pRef->m_xAggregate.is())
+ { // has to be in its own block because of the temporary variable created by *this
+ pRef->m_xAggregate->setDelegator(static_cast<XWeak*>(pRef.get()));
+ }
+
+ css::uno::Reference<css::uno::XInterface> xRef(*pRef);
+
+ return xRef;
+}
+
+Reference< XCloneable > SAL_CALL OFormattedFieldWrapper::createClone()
+{
+ ensureAggregate();
+
+ rtl::Reference< OFormattedFieldWrapper > xRef(new OFormattedFieldWrapper(m_xContext));
+
+ Reference< XCloneable > xCloneAccess;
+ query_aggregation( m_xAggregate, xCloneAccess );
+
+ // clone the aggregate
+ if ( xCloneAccess.is() )
+ {
+ Reference< XCloneable > xClone = xCloneAccess->createClone();
+ xRef->m_xAggregate.set(xClone, UNO_QUERY);
+ OSL_ENSURE(xRef->m_xAggregate.is(), "invalid aggregate cloned !");
+
+ xRef->m_xFormattedPart.set(
+ Reference< XInterface >(xClone), css::uno::UNO_QUERY);
+
+ if ( m_pEditPart.is() )
+ {
+ xRef->m_pEditPart.set( new OEditModel(m_pEditPart.get(), m_xContext) );
+ }
+ }
+ else
+ { // the clone source does not yet have an aggregate -> we don't yet need one, too
+ }
+
+ if ( xRef->m_xAggregate.is() )
+ { // has to be in its own block because of the temporary variable created by *this
+ xRef->m_xAggregate->setDelegator(static_cast< XWeak* >(xRef.get()));
+ }
+
+ return xRef;
+}
+
+OFormattedFieldWrapper::~OFormattedFieldWrapper()
+{
+ // release the aggregated object (if any)
+ if (m_xAggregate.is())
+ m_xAggregate->setDelegator(css::uno::Reference<css::uno::XInterface> ());
+
+}
+
+Any SAL_CALL OFormattedFieldWrapper::queryAggregation(const Type& _rType)
+{
+ Any aReturn;
+
+ if (_rType.equals( cppu::UnoType<XTypeProvider>::get() ) )
+ { // a XTypeProvider interface needs a working aggregate - we don't want to give the type provider
+ // of our base class (OFormattedFieldWrapper_Base) to the caller as it supplies nearly nothing
+ ensureAggregate();
+ if (m_xAggregate.is())
+ aReturn = m_xAggregate->queryAggregation(_rType);
+ }
+
+ if (!aReturn.hasValue())
+ {
+ aReturn = OFormattedFieldWrapper_Base::queryAggregation(_rType);
+
+ if ((_rType.equals( cppu::UnoType<XServiceInfo>::get() ) ) && aReturn.hasValue())
+ { // somebody requested an XServiceInfo interface and our base class provided it
+ // check our aggregate if it has one, too
+ ensureAggregate();
+ }
+
+ if (!aReturn.hasValue())
+ {
+ aReturn = ::cppu::queryInterface( _rType,
+ static_cast< XPersistObject* >( this ),
+ static_cast< XCloneable* >( this )
+ );
+
+ if (!aReturn.hasValue())
+ {
+ // somebody requests an interface other than the basics (XInterface) and other than
+ // the two we can supply without an aggregate. So ensure
+ // the aggregate exists.
+ ensureAggregate();
+ if (m_xAggregate.is())
+ aReturn = m_xAggregate->queryAggregation(_rType);
+ }
+ }
+ }
+
+ return aReturn;
+}
+
+OUString SAL_CALL OFormattedFieldWrapper::getServiceName()
+{
+ // return the old compatibility name for an EditModel
+ return FRM_COMPONENT_EDIT;
+}
+
+OUString SAL_CALL OFormattedFieldWrapper::getImplementationName( )
+{
+ return "com.sun.star.comp.forms.OFormattedFieldWrapper_ForcedFormatted";
+}
+
+sal_Bool SAL_CALL OFormattedFieldWrapper::supportsService( const OUString& _rServiceName )
+{
+ return cppu::supportsService(this, _rServiceName);
+}
+
+Sequence< OUString > SAL_CALL OFormattedFieldWrapper::getSupportedServiceNames( )
+{
+ DBG_ASSERT(m_xAggregate.is(), "OFormattedFieldWrapper::getSupportedServiceNames: should never have made it 'til here without an aggregate!");
+ Reference< XServiceInfo > xSI;
+ m_xAggregate->queryAggregation(cppu::UnoType<XServiceInfo>::get()) >>= xSI;
+ return xSI->getSupportedServiceNames();
+}
+
+void SAL_CALL OFormattedFieldWrapper::write(const Reference<XObjectOutputStream>& _rxOutStream)
+{
+ // can't write myself
+ ensureAggregate();
+
+ // if we act as real edit field, we can simple forward this write request
+ if (!m_xFormattedPart.is())
+ {
+ Reference<XPersistObject> xAggregatePersistence;
+ query_aggregation(m_xAggregate, xAggregatePersistence);
+ DBG_ASSERT(xAggregatePersistence.is(), "OFormattedFieldWrapper::write : don't know how to handle this : can't write !");
+ // oops ... We gave an XPersistObject interface to the caller but now we aren't an XPersistObject ...
+ if (xAggregatePersistence.is())
+ xAggregatePersistence->write(_rxOutStream);
+ return;
+ }
+
+ // else we have to write an edit part first
+ OSL_ENSURE(m_pEditPart.is(), "OFormattedFieldWrapper::write : formatted part without edit part ?");
+ if ( !m_pEditPart.is() )
+ throw RuntimeException( OUString(), *this );
+
+ // for this we transfer the current props of the formatted part to the edit part
+ Reference<XPropertySet> xFormatProps(m_xFormattedPart, UNO_QUERY);
+ Reference<XPropertySet> xEditProps = m_pEditPart;
+
+ Locale aAppLanguage = Application::GetSettings().GetUILanguageTag().getLocale();
+ dbtools::TransferFormComponentProperties(xFormatProps, xEditProps, aAppLanguage);
+
+ // then write the edit part, after switching to "fake mode"
+ m_pEditPart->enableFormattedWriteFake();
+ m_pEditPart->write(_rxOutStream);
+ m_pEditPart->disableFormattedWriteFake();
+
+ // and finally write the formatted part we're really interested in
+ m_xFormattedPart->write(_rxOutStream);
+}
+
+void SAL_CALL OFormattedFieldWrapper::read(const Reference<XObjectInputStream>& _rxInStream)
+{
+ SolarMutexGuard g;
+ if (m_xAggregate.is())
+ { // we already made a decision if we're an EditModel or a FormattedModel
+
+ // if we act as formatted, we have to read the edit part first
+ if (m_xFormattedPart.is())
+ {
+ // two possible cases:
+ // a) the stuff was written by a version which didn't work with an Edit header (all intermediate
+ // versions >5.1 && <=568)
+ // b) it was written by a version using edit headers
+ // as we can distinguish a) from b) only after we have read the edit part, we need to remember the
+ // position
+ Reference<XMarkableStream> xInMarkable(_rxInStream, UNO_QUERY);
+ DBG_ASSERT(xInMarkable.is(), "OFormattedFieldWrapper::read : can only work with markable streams !");
+ sal_Int32 nBeforeEditPart = xInMarkable->createMark();
+
+ m_pEditPart->read(_rxInStream);
+ // this only works because an edit model can read the stuff written by a formatted model
+ // (maybe with some assertions) , but not vice versa
+ if (!m_pEditPart->lastReadWasFormattedFake())
+ { // case a), written with a version without the edit part fake, so seek to the start position, again
+ xInMarkable->jumpToMark(nBeforeEditPart);
+ }
+ xInMarkable->deleteMark(nBeforeEditPart);
+ }
+
+ Reference<XPersistObject> xAggregatePersistence;
+ query_aggregation(m_xAggregate, xAggregatePersistence);
+ DBG_ASSERT(xAggregatePersistence.is(), "OFormattedFieldWrapper::read : don't know how to handle this : can't read !");
+ // oops ... We gave an XPersistObject interface to the caller but now we aren't an XPersistObject ...
+
+ if (xAggregatePersistence.is())
+ xAggregatePersistence->read(_rxInStream);
+ return;
+ }
+
+ // we have to decide from the data within the stream whether we should
+ // be an EditModel or a FormattedModel
+
+ {
+ // let an OEditModel do the reading
+ rtl::Reference< OEditModel > pBasicReader(new OEditModel(m_xContext));
+ pBasicReader->read(_rxInStream);
+
+ // was it really an edit model ?
+ if (!pBasicReader->lastReadWasFormattedFake())
+ {
+ // yes -> all fine
+ m_xAggregate = pBasicReader;
+ }
+ else
+ { // no -> substitute it with a formatted model
+ // let the formatted model do the reading
+ m_xFormattedPart.set(new OFormattedModel(m_xContext));
+ m_xFormattedPart->read(_rxInStream);
+ m_pEditPart = pBasicReader;
+ m_xAggregate.set( m_xFormattedPart, UNO_QUERY );
+ }
+ }
+
+ // do the aggregation
+ osl_atomic_increment(&m_refCount);
+ if (m_xAggregate.is())
+ { // has to be in its own block because of the temporary variable created by *this
+ m_xAggregate->setDelegator(static_cast<XWeak*>(this));
+ }
+ osl_atomic_decrement(&m_refCount);
+}
+
+void OFormattedFieldWrapper::ensureAggregate()
+{
+ if (m_xAggregate.is())
+ return;
+
+ {
+ // instantiate an EditModel (the only place where we are allowed to decide that we're a FormattedModel
+ // is in ::read)
+ css::uno::Reference<css::uno::XInterface> xEditModel = m_xContext->getServiceManager()->createInstanceWithContext(FRM_SUN_COMPONENT_TEXTFIELD, m_xContext);
+ if (!xEditModel.is())
+ {
+ // arghhh... instantiate it directly... it's dirty, but we really need this aggregate
+ rtl::Reference<OEditModel> pModel = new OEditModel(m_xContext);
+ xEditModel.set(static_cast<XWeak*>(pModel.get()), css::uno::UNO_QUERY);
+ }
+
+ m_xAggregate.set(xEditModel, UNO_QUERY);
+ DBG_ASSERT(m_xAggregate.is(), "OFormattedFieldWrapper::ensureAggregate : the OEditModel didn't have an XAggregation interface !");
+
+ {
+ Reference< XServiceInfo > xSI(m_xAggregate, UNO_QUERY);
+ if (!xSI.is())
+ {
+ OSL_FAIL("OFormattedFieldWrapper::ensureAggregate: the aggregate has no XServiceInfo!");
+ m_xAggregate.clear();
+ }
+ }
+ }
+
+ osl_atomic_increment(&m_refCount);
+ if (m_xAggregate.is())
+ { // has to be in its own block because of the temporary variable created by *this
+ m_xAggregate->setDelegator(static_cast<XWeak*>(this));
+ }
+ osl_atomic_decrement(&m_refCount);
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_form_OFormattedFieldWrapper_get_implementation(css::uno::XComponentContext* component,
+ css::uno::Sequence<css::uno::Any> const &)
+{
+ css::uno::Reference<css::uno::XInterface> inst(
+ OFormattedFieldWrapper::createFormattedFieldWrapper(component, false));
+ inst->acquire();
+ return inst.get();
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_forms_OFormattedFieldWrapper_ForcedFormatted_get_implementation(css::uno::XComponentContext* component,
+ css::uno::Sequence<css::uno::Any> const &)
+{
+ css::uno::Reference<css::uno::XInterface> inst(
+ OFormattedFieldWrapper::createFormattedFieldWrapper(component, true));
+ inst->acquire();
+ return inst.get();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */