Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 360 insertions, 0 deletions

diff --git a/forms/source/component/FormattedFieldWrapper.cxx b/forms/source/component/FormattedFieldWrapper.cxx
new file mode 100644
index 000000000..8a8f27830
--- /dev/null
+++ b/forms/source/component/FormattedFieldWrapper.cxx
@@ -0,0 +1,360 @@
+/* -*- 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: */