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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 "ImageControl.hxx"
+
+#include <strings.hrc>
+#include <frm_resource.hxx>
+#include <property.hxx>
+#include <services.hxx>
+#include <componenttools.hxx>
+
+#include <svtools/imageresourceaccess.hxx>
+#include <sfx2/filedlghelper.hxx>
+#include <com/sun/star/awt/PopupMenu.hpp>
+#include <com/sun/star/awt/XPopupMenu.hpp>
+#include <com/sun/star/awt/PopupMenuDirection.hpp>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/form/FormComponentType.hpp>
+#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
+#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
+#include <com/sun/star/ui/dialogs/XFilePicker3.hpp>
+#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
+#include <com/sun/star/sdbc/DataType.hpp>
+#include <com/sun/star/awt/MouseButton.hpp>
+#include <com/sun/star/awt/XWindow.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/graphic/GraphicObject.hpp>
+#include <tools/urlobj.hxx>
+#include <tools/stream.hxx>
+#include <tools/debug.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/graph.hxx>
+#include <vcl/svapp.hxx>
+#include <unotools/streamhelper.hxx>
+#include <comphelper/guarding.hxx>
+#include <comphelper/property.hxx>
+#include <comphelper/types.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <svl/urihelper.hxx>
+
+#include <memory>
+
+#define ID_OPEN_GRAPHICS 1
+#define ID_CLEAR_GRAPHICS 2
+
+namespace frm
+{
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::sdb;
+using namespace ::com::sun::star::sdbc;
+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::ui::dialogs;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::util;
+using namespace ::com::sun::star::graphic;
+using namespace ::com::sun::star::frame;
+
+
+//= OImageControlModel
+
+namespace
+{
+ enum ImageStoreType
+ {
+ ImageStoreBinary,
+ ImageStoreLink,
+
+ ImageStoreInvalid
+ };
+
+ ImageStoreType lcl_getImageStoreType( const sal_Int32 _nFieldType )
+ {
+ // binary/longvarchar types could be used to store images in binary representation
+ if ( ( _nFieldType == DataType::BINARY )
+ || ( _nFieldType == DataType::VARBINARY )
+ || ( _nFieldType == DataType::LONGVARBINARY )
+ || ( _nFieldType == DataType::OTHER )
+ || ( _nFieldType == DataType::OBJECT )
+ || ( _nFieldType == DataType::BLOB )
+ || ( _nFieldType == DataType::LONGVARCHAR )
+ || ( _nFieldType == DataType::CLOB )
+ )
+ return ImageStoreBinary;
+
+ // char types could be used to store links to images
+ if ( ( _nFieldType == DataType::CHAR )
+ || ( _nFieldType == DataType::VARCHAR )
+ )
+ return ImageStoreLink;
+
+ return ImageStoreInvalid;
+ }
+}
+
+
+// OImageControlModel
+
+Sequence<Type> OImageControlModel::_getTypes()
+{
+ return concatSequences(
+ OBoundControlModel::_getTypes(),
+ OImageControlModel_Base::getTypes()
+ );
+}
+
+
+OImageControlModel::OImageControlModel(const Reference<XComponentContext>& _rxFactory)
+ :OBoundControlModel( _rxFactory, VCL_CONTROLMODEL_IMAGECONTROL, FRM_SUN_CONTROL_IMAGECONTROL, false, false, false )
+ // use the old control name for compytibility reasons
+ ,m_bExternalGraphic( true )
+ ,m_bReadOnly( false )
+{
+ m_nClassId = FormComponentType::IMAGECONTROL;
+ initOwnValueProperty( PROPERTY_IMAGE_URL );
+
+ implConstruct();
+}
+
+
+OImageControlModel::OImageControlModel( const OImageControlModel* _pOriginal, const Reference< XComponentContext >& _rxFactory )
+ :OBoundControlModel( _pOriginal, _rxFactory )
+ // use the old control name for compytibility reasons
+ ,m_bExternalGraphic( true )
+ ,m_bReadOnly( _pOriginal->m_bReadOnly )
+ ,m_sImageURL( _pOriginal->m_sImageURL )
+ ,m_xGraphicObject( _pOriginal->m_xGraphicObject )
+{
+ implConstruct();
+
+ osl_atomic_increment( &m_refCount );
+ {
+ // simulate a propertyChanged event for the ImageURL
+ ::osl::MutexGuard aGuard( m_aMutex );
+ impl_handleNewImageURL_lck( eOther );
+ }
+ osl_atomic_decrement( &m_refCount );
+}
+
+
+void OImageControlModel::implConstruct()
+{
+ m_xImageProducer = new ImageProducer;
+ m_xImageProducer->SetDoneHdl( LINK( this, OImageControlModel, OnImageImportDone ) );
+}
+
+
+OImageControlModel::~OImageControlModel()
+{
+ if (!OComponentHelper::rBHelper.bDisposed)
+ {
+ acquire();
+ dispose();
+ }
+
+}
+
+// XCloneable
+
+css::uno::Reference< css::util::XCloneable > SAL_CALL OImageControlModel::createClone()
+{
+ rtl::Reference<OImageControlModel> pClone = new OImageControlModel(this, getContext());
+ pClone->clonedFrom(this);
+ return pClone;
+}
+
+// XServiceInfo
+
+css::uno::Sequence<OUString> OImageControlModel::getSupportedServiceNames()
+{
+ css::uno::Sequence<OUString> aSupported = OBoundControlModel::getSupportedServiceNames();
+ aSupported.realloc(aSupported.getLength() + 2);
+
+ OUString*pArray = aSupported.getArray();
+ pArray[aSupported.getLength()-2] = FRM_SUN_COMPONENT_IMAGECONTROL;
+ pArray[aSupported.getLength()-1] = FRM_COMPONENT_IMAGECONTROL;
+ return aSupported;
+}
+
+
+Any SAL_CALL OImageControlModel::queryAggregation(const Type& _rType)
+{
+ // Order matters: we want to "override" the XImageProducer interface of the aggregate without
+ // own XImageProducer interface, thus we need to query OImageControlModel_Base first
+ Any aReturn = OImageControlModel_Base::queryInterface( _rType );
+
+ // BUT: _don't_ let it feel responsible for the XTypeProvider interface
+ // (as this is implemented by our base class in the proper way)
+ if ( _rType.equals( cppu::UnoType<XTypeProvider>::get() )
+ || !aReturn.hasValue()
+ )
+ aReturn = OBoundControlModel::queryAggregation( _rType );
+
+ return aReturn;
+}
+
+
+bool OImageControlModel::approveDbColumnType( sal_Int32 _nColumnType )
+{
+ return ImageStoreInvalid != lcl_getImageStoreType( _nColumnType );
+}
+
+
+void OImageControlModel::getFastPropertyValue(Any& rValue, sal_Int32 nHandle) const
+{
+ switch (nHandle)
+ {
+ case PROPERTY_ID_READONLY:
+ rValue <<= m_bReadOnly;
+ break;
+ case PROPERTY_ID_IMAGE_URL:
+ rValue <<= m_sImageURL;
+ break;
+ case PROPERTY_ID_GRAPHIC:
+ rValue <<= m_xGraphicObject.is() ? m_xGraphicObject->getGraphic() : Reference< XGraphic >();
+ break;
+ default:
+ OBoundControlModel::getFastPropertyValue(rValue, nHandle);
+ }
+}
+
+
+void OImageControlModel::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle, const Any& rValue)
+{
+ switch (nHandle)
+ {
+ case PROPERTY_ID_READONLY :
+ DBG_ASSERT(rValue.getValueType().getTypeClass() == TypeClass_BOOLEAN, "OImageControlModel::setFastPropertyValue_NoBroadcast : invalid type !" );
+ m_bReadOnly = getBOOL(rValue);
+ break;
+
+ case PROPERTY_ID_IMAGE_URL:
+ OSL_VERIFY( rValue >>= m_sImageURL );
+ impl_handleNewImageURL_lck( eOther );
+ {
+ ControlModelLock aLock( *this );
+ // that's a fake ... onValuePropertyChange expects to receive the only lock to our instance,
+ // but we're already called with our mutex locked ...
+ onValuePropertyChange( aLock );
+ }
+ break;
+
+ case PROPERTY_ID_GRAPHIC:
+ {
+ Reference< XGraphic > xGraphic;
+ OSL_VERIFY( rValue >>= xGraphic );
+ if ( !xGraphic.is() )
+ m_xGraphicObject.clear();
+ else
+ {
+ m_xGraphicObject = graphic::GraphicObject::create( m_xContext );
+ m_xGraphicObject->setGraphic( xGraphic );
+ }
+
+ if ( m_bExternalGraphic )
+ {
+ m_sImageURL = OUString();
+ // TODO: speaking strictly, this would need to be notified, since ImageURL is a bound property. However,
+ // this method here is called with a locked mutex, so we cannot simply call listeners ...
+ // I think the missing notification (and thus clients which potentially cannot observe the change)
+ // is less severe than the potential deadlock ...
+ }
+ }
+ break;
+
+ default:
+ OBoundControlModel::setFastPropertyValue_NoBroadcast(nHandle, rValue);
+ break;
+ }
+}
+
+
+sal_Bool OImageControlModel::convertFastPropertyValue(Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle, const Any& rValue)
+{
+ switch (nHandle)
+ {
+ case PROPERTY_ID_READONLY :
+ return tryPropertyValue(rConvertedValue, rOldValue, rValue, m_bReadOnly);
+
+ case PROPERTY_ID_IMAGE_URL:
+ return tryPropertyValue( rConvertedValue, rOldValue, rValue, m_sImageURL );
+
+ case PROPERTY_ID_GRAPHIC:
+ {
+ const Reference< XGraphic > xGraphic( getFastPropertyValue( PROPERTY_ID_GRAPHIC ), UNO_QUERY );
+ return tryPropertyValue( rConvertedValue, rOldValue, rValue, xGraphic );
+ }
+
+ default:
+ return OBoundControlModel::convertFastPropertyValue(rConvertedValue, rOldValue, nHandle, rValue);
+ }
+}
+
+
+void OImageControlModel::describeFixedProperties( Sequence< Property >& _rProps ) const
+{
+ OBoundControlModel::describeFixedProperties( _rProps );
+ sal_Int32 nOldCount = _rProps.getLength();
+ _rProps.realloc( nOldCount + 4);
+ css::beans::Property* pProperties = _rProps.getArray() + nOldCount;
+ *pProperties++ = css::beans::Property(PROPERTY_GRAPHIC, PROPERTY_ID_GRAPHIC, cppu::UnoType<XGraphic>::get(),
+ css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::TRANSIENT);
+ *pProperties++ = css::beans::Property(PROPERTY_IMAGE_URL, PROPERTY_ID_IMAGE_URL, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::BOUND);
+ *pProperties++ = css::beans::Property(PROPERTY_READONLY, PROPERTY_ID_READONLY, cppu::UnoType<bool>::get(),
+ css::beans::PropertyAttribute::BOUND);
+ *pProperties++ = css::beans::Property(PROPERTY_TABINDEX, PROPERTY_ID_TABINDEX, cppu::UnoType<sal_Int16>::get(), css::beans::PropertyAttribute::BOUND);
+ DBG_ASSERT( pProperties == _rProps.getArray() + _rProps.getLength(), "<...>::describeFixedProperties/getInfoHelper: forgot to adjust the count ?");
+}
+
+
+void OImageControlModel::describeAggregateProperties( Sequence< Property >& /* [out] */ o_rAggregateProperties ) const
+{
+ OBoundControlModel::describeAggregateProperties( o_rAggregateProperties );
+ // remove ImageURL and Graphic properties, we "override" them.
+ // This is because our aggregate synchronizes those
+ // two, but we have an own synchronization mechanism.
+ RemoveProperty( o_rAggregateProperties, PROPERTY_IMAGE_URL );
+ RemoveProperty( o_rAggregateProperties, PROPERTY_GRAPHIC );
+}
+
+
+OUString OImageControlModel::getServiceName()
+{
+ return FRM_COMPONENT_IMAGECONTROL; // old (non-sun) name for compatibility !
+}
+
+
+void OImageControlModel::write(const Reference<XObjectOutputStream>& _rxOutStream)
+{
+ // Base class
+ OBoundControlModel::write(_rxOutStream);
+ // Version
+ _rxOutStream->writeShort(0x0003);
+ // Name
+ _rxOutStream->writeBoolean(m_bReadOnly);
+ writeHelpTextCompatibly(_rxOutStream);
+ // from version 0x0003 : common properties
+ writeCommonProperties(_rxOutStream);
+}
+
+
+void OImageControlModel::read(const Reference<XObjectInputStream>& _rxInStream)
+{
+ OBoundControlModel::read(_rxInStream);
+
+ // Version
+ sal_uInt16 nVersion = _rxInStream->readShort();
+ switch (nVersion)
+ {
+ case 0x0001:
+ m_bReadOnly = _rxInStream->readBoolean();
+ break;
+ case 0x0002:
+ m_bReadOnly = _rxInStream->readBoolean();
+ readHelpTextCompatibly(_rxInStream);
+ break;
+ case 0x0003:
+ m_bReadOnly = _rxInStream->readBoolean();
+ readHelpTextCompatibly(_rxInStream);
+ readCommonProperties(_rxInStream);
+ break;
+ default :
+ OSL_FAIL("OImageControlModel::read : unknown version !");
+ m_bReadOnly = false;
+ defaultCommonProperties();
+ break;
+ }
+ // Display default values after read
+ if ( !getControlSource().isEmpty() )
+ { // (not if we don't have a control source - the "State" property acts like it is persistent, then
+ ::osl::MutexGuard aGuard(m_aMutex); // resetNoBroadcast expects this mutex guarding
+ resetNoBroadcast();
+ }
+}
+
+
+bool OImageControlModel::impl_updateStreamForURL_lck( const OUString& _rURL, ValueChangeInstigator _eInstigator )
+{
+ // create a stream for the image specified by the URL
+ std::unique_ptr< SvStream > pImageStream;
+ Reference< XInputStream > xImageStream;
+
+ if ( ::svt::GraphicAccess::isSupportedURL( _rURL ) )
+ {
+ xImageStream = ::svt::GraphicAccess::getImageXStream( getContext(), _rURL );
+ }
+ else
+ {
+ pImageStream = ::utl::UcbStreamHelper::CreateStream( _rURL, StreamMode::READ );
+ bool bSetNull = (pImageStream == nullptr) || (ERRCODE_NONE != pImageStream->GetErrorCode());
+
+ if ( !bSetNull )
+ {
+ // get the size of the stream
+ sal_uInt64 const nSize = pImageStream->remainingSize();
+ if (pImageStream->GetBufferSize() < 8192)
+ pImageStream->SetBufferSize(8192);
+ pImageStream->Seek(STREAM_SEEK_TO_BEGIN);
+
+ xImageStream = new ::utl::OInputStreamHelper( new SvLockBytes( pImageStream.get(), false ), nSize );
+ }
+ }
+
+ if ( xImageStream.is() )
+ {
+ if ( m_xColumnUpdate.is() )
+ m_xColumnUpdate->updateBinaryStream( xImageStream, xImageStream->available() );
+ else
+ setControlValue( Any( xImageStream ), _eInstigator );
+ xImageStream->closeInput();
+ return true;
+ }
+
+ return false;
+}
+
+
+void OImageControlModel::impl_handleNewImageURL_lck( ValueChangeInstigator _eInstigator )
+{
+ switch ( lcl_getImageStoreType( getFieldType() ) )
+ {
+ case ImageStoreBinary:
+ if ( impl_updateStreamForURL_lck( m_sImageURL, _eInstigator ) )
+ return;
+ break;
+
+ case ImageStoreLink:
+ {
+ OUString sCommitURL( m_sImageURL );
+ if ( !m_sDocumentURL.isEmpty() )
+ sCommitURL = URIHelper::simpleNormalizedMakeRelative( m_sDocumentURL, sCommitURL );
+ OSL_ENSURE( m_xColumnUpdate.is(), "OImageControlModel::impl_handleNewImageURL_lck: no bound field, but ImageStoreLink?!" );
+ if ( m_xColumnUpdate.is() )
+ {
+ m_xColumnUpdate->updateString( sCommitURL );
+ return;
+ }
+ }
+ break;
+
+ case ImageStoreInvalid:
+ OSL_FAIL( "OImageControlModel::impl_handleNewImageURL_lck: image storage type type!" );
+ break;
+ }
+
+ // if we're here, then the above code was unable to update our field/control from the given URL
+ // => fall back to NULL/VOID
+ if ( m_xColumnUpdate.is() )
+ m_xColumnUpdate->updateNull();
+ else
+ setControlValue( Any(), _eInstigator );
+}
+
+
+bool OImageControlModel::commitControlValueToDbColumn( bool _bPostReset )
+{
+ if ( _bPostReset )
+ {
+ // since this is a "commit after reset", we can simply update the column
+ // with null - this is our "default" which we were just reset to
+ if ( m_xColumnUpdate.is() )
+ m_xColumnUpdate->updateNull();
+ }
+ else
+ {
+ ::osl::MutexGuard aGuard(m_aMutex);
+ impl_handleNewImageURL_lck( eDbColumnBinding );
+ }
+
+ return true;
+}
+
+
+namespace
+{
+ bool lcl_isValidDocumentURL( std::u16string_view _rDocURL )
+ {
+ return ( !_rDocURL.empty() && _rDocURL != u"private:object" );
+ }
+}
+
+
+void OImageControlModel::onConnectedDbColumn( const Reference< XInterface >& _rxForm )
+{
+ OBoundControlModel::onConnectedDbColumn( _rxForm );
+
+ try
+ {
+ Reference< XModel > xDocument( getXModel( *this ) );
+ if ( xDocument.is() )
+ {
+ m_sDocumentURL = xDocument->getURL();
+ if ( !lcl_isValidDocumentURL( m_sDocumentURL ) )
+ {
+ Reference< XChild > xAsChild( xDocument, UNO_QUERY );
+ while ( xAsChild.is() && !lcl_isValidDocumentURL( m_sDocumentURL ) )
+ {
+ xDocument.set( xAsChild->getParent(), UNO_QUERY );
+ if ( xDocument.is() )
+ m_sDocumentURL = xDocument->getURL();
+ xAsChild.set( xDocument, UNO_QUERY );
+ }
+ }
+ }
+ }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("forms.component");
+ }
+}
+
+
+void OImageControlModel::onDisconnectedDbColumn()
+{
+ OBoundControlModel::onDisconnectedDbColumn();
+
+ m_sDocumentURL.clear();
+}
+
+
+Any OImageControlModel::translateDbColumnToControlValue()
+{
+ switch ( lcl_getImageStoreType( getFieldType() ) )
+ {
+ case ImageStoreBinary:
+ {
+ Reference< XInputStream > xImageStream( m_xColumn->getBinaryStream() );
+ if ( m_xColumn->wasNull() )
+ xImageStream.clear();
+ return Any( xImageStream );
+ }
+ case ImageStoreLink:
+ {
+ OUString sImageLink( m_xColumn->getString() );
+ if ( !m_sDocumentURL.isEmpty() )
+ sImageLink = INetURLObject::GetAbsURL( m_sDocumentURL, sImageLink );
+ return Any( sImageLink );
+ }
+ case ImageStoreInvalid:
+ OSL_FAIL( "OImageControlModel::translateDbColumnToControlValue: invalid field type!" );
+ break;
+ }
+ return Any();
+}
+
+
+Any OImageControlModel::getControlValue( ) const
+{
+ return Any( m_sImageURL );
+}
+
+
+void OImageControlModel::doSetControlValue( const Any& _rValue )
+{
+ DBG_ASSERT( GetImageProducer() && m_xImageProducer.is(), "OImageControlModel::doSetControlValue: no image producer!" );
+ if ( !GetImageProducer() || !m_xImageProducer.is() )
+ return;
+
+ bool bStartProduction = false;
+ switch ( lcl_getImageStoreType( getFieldType() ) )
+ {
+ case ImageStoreBinary:
+ {
+ // give the image producer the stream
+ Reference< XInputStream > xInStream;
+ _rValue >>= xInStream;
+ GetImageProducer()->setImage( xInStream );
+ bStartProduction = true;
+ }
+ break;
+
+ case ImageStoreLink:
+ {
+ OUString sImageURL;
+ _rValue >>= sImageURL;
+ GetImageProducer()->SetImage( sImageURL );
+ bStartProduction = true;
+ }
+ break;
+
+ case ImageStoreInvalid:
+ OSL_FAIL( "OImageControlModel::doSetControlValue: invalid field type!" );
+ break;
+
+ } // switch ( lcl_getImageStoreType( getFieldType() ) )
+
+ if ( bStartProduction )
+ {
+ // start production
+ rtl::Reference< ImageProducer > xProducer = m_xImageProducer;
+ {
+ // release our mutex once (it's acquired in the calling method!), as starting the image production may
+ // result in the locking of the solar mutex (unfortunately the default implementation of our aggregate,
+ // VCLXImageControl, does this locking)
+ MutexRelease aRelease(m_aMutex);
+ xProducer->startProduction();
+ }
+ }
+}
+
+void OImageControlModel::resetNoBroadcast()
+{
+ if ( hasField() ) // only reset when we are connected to a column
+ OBoundControlModel::resetNoBroadcast( );
+}
+
+
+Reference< XImageProducer > SAL_CALL OImageControlModel::getImageProducer()
+{
+ return this;
+}
+
+
+void SAL_CALL OImageControlModel::addConsumer( const Reference< XImageConsumer >& _rxConsumer )
+{
+ GetImageProducer()->addConsumer( _rxConsumer );
+}
+
+
+void SAL_CALL OImageControlModel::removeConsumer( const Reference< XImageConsumer >& _rxConsumer )
+{
+ GetImageProducer()->removeConsumer( _rxConsumer );
+}
+
+
+void SAL_CALL OImageControlModel::startProduction( )
+{
+ GetImageProducer()->startProduction();
+}
+
+
+IMPL_LINK( OImageControlModel, OnImageImportDone, ::Graphic*, i_pGraphic, void )
+{
+ const Reference< XGraphic > xGraphic(i_pGraphic != nullptr ? i_pGraphic->GetXGraphic() : nullptr);
+ m_bExternalGraphic = false;
+ try
+ {
+ setPropertyValue( PROPERTY_GRAPHIC, Any( xGraphic ) );
+ }
+ catch ( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("forms.component");
+ }
+ m_bExternalGraphic = true;
+}
+
+
+// OImageControlControl
+
+Sequence<Type> OImageControlControl::_getTypes()
+{
+ return concatSequences(
+ OBoundControl::_getTypes(),
+ OImageControlControl_Base::getTypes()
+ );
+}
+
+
+OImageControlControl::OImageControlControl(const Reference<XComponentContext>& _rxFactory)
+ :OBoundControl(_rxFactory, VCL_CONTROL_IMAGECONTROL)
+ ,m_aModifyListeners( m_aMutex )
+{
+ osl_atomic_increment(&m_refCount);
+ {
+ // Add as Focus- and MouseListener
+ Reference< XWindow > xComp;
+ query_aggregation( m_xAggregate, xComp );
+ if ( xComp.is() )
+ xComp->addMouseListener( this );
+ }
+ osl_atomic_decrement(&m_refCount);
+}
+
+
+Any SAL_CALL OImageControlControl::queryAggregation(const Type& _rType)
+{
+ Any aReturn = OBoundControl::queryAggregation( _rType );
+ if ( !aReturn.hasValue() )
+ aReturn = ::cppu::queryInterface(
+ _rType,
+ static_cast< XMouseListener* >( this ),
+ static_cast< XModifyBroadcaster* >( this )
+ );
+
+ return aReturn;
+}
+
+
+css::uno::Sequence<OUString> OImageControlControl::getSupportedServiceNames()
+{
+ css::uno::Sequence<OUString> aSupported = OBoundControl::getSupportedServiceNames();
+ aSupported.realloc(aSupported.getLength() + 2);
+
+ OUString*pArray = aSupported.getArray();
+ pArray[aSupported.getLength()-2] = FRM_SUN_CONTROL_IMAGECONTROL;
+ pArray[aSupported.getLength()-1] = STARDIV_ONE_FORM_CONTROL_IMAGECONTROL;
+ return aSupported;
+}
+
+
+void SAL_CALL OImageControlControl::addModifyListener( const Reference< XModifyListener >& Listener )
+{
+ m_aModifyListeners.addInterface( Listener );
+}
+
+
+void SAL_CALL OImageControlControl::removeModifyListener( const Reference< XModifyListener >& Listener )
+{
+ m_aModifyListeners.removeInterface( Listener );
+}
+
+
+void SAL_CALL OImageControlControl::disposing()
+{
+ EventObject aEvent( *this );
+ m_aModifyListeners.disposeAndClear( aEvent );
+
+ OBoundControl::disposing();
+}
+
+
+void SAL_CALL OImageControlControl::disposing( const EventObject& Event )
+{
+ OBoundControl::disposing( Event );
+}
+
+
+void OImageControlControl::implClearGraphics( bool _bForce )
+{
+ Reference< XPropertySet > xSet( getModel(), UNO_QUERY );
+ if ( !xSet.is() )
+ return;
+
+ if ( _bForce )
+ {
+ OUString sOldImageURL;
+ xSet->getPropertyValue( PROPERTY_IMAGE_URL ) >>= sOldImageURL;
+
+ if ( sOldImageURL.isEmpty() )
+ // the ImageURL is already empty, so simply setting a new empty one would not suffice
+ // (since it would be ignored)
+ xSet->setPropertyValue( PROPERTY_IMAGE_URL, Any( OUString( "private:emptyImage" ) ) );
+ // (the concrete URL we're passing here doesn't matter. It's important that
+ // the model cannot resolve it to a valid resource describing an image stream
+ }
+
+ xSet->setPropertyValue( PROPERTY_IMAGE_URL, Any( OUString() ) );
+}
+
+
+bool OImageControlControl::implInsertGraphics()
+{
+ Reference< XPropertySet > xSet( getModel(), UNO_QUERY );
+ if ( !xSet.is() )
+ return false;
+
+ OUString sTitle = ResourceManager::loadString(RID_STR_IMPORT_GRAPHIC);
+ // build some arguments for the upcoming dialog
+ try
+ {
+ Reference< XWindow > xWindow( static_cast< ::cppu::OWeakObject* >( this ), UNO_QUERY );
+ ::sfx2::FileDialogHelper aDialog(TemplateDescription::FILEOPEN_LINK_PREVIEW, FileDialogFlags::Graphic,
+ Application::GetFrameWeld(xWindow));
+ aDialog.SetContext(sfx2::FileDialogHelper::FormsInsertImage);
+ aDialog.SetTitle( sTitle );
+
+ Reference< XFilePickerControlAccess > xController( aDialog.GetFilePicker(), UNO_QUERY_THROW );
+ xController->setValue(ExtendedFilePickerElementIds::CHECKBOX_PREVIEW, 0, css::uno::Any(true));
+
+ Reference<XPropertySet> xBoundField;
+ if ( hasProperty( PROPERTY_BOUNDFIELD, xSet ) )
+ xSet->getPropertyValue( PROPERTY_BOUNDFIELD ) >>= xBoundField;
+ bool bHasField = xBoundField.is();
+
+ // if the control is bound to a DB field, then it's not possible to decide whether or not to link
+ xController->enableControl(ExtendedFilePickerElementIds::CHECKBOX_LINK, !bHasField );
+
+ // if the control is bound to a DB field, then linking of the image depends on the type of the field
+ bool bImageIsLinked = true;
+ if ( bHasField )
+ {
+ sal_Int32 nFieldType = DataType::OTHER;
+ OSL_VERIFY( xBoundField->getPropertyValue( PROPERTY_FIELDTYPE ) >>= nFieldType );
+ bImageIsLinked = ( lcl_getImageStoreType( nFieldType ) == ImageStoreLink );
+ }
+ xController->setValue(ExtendedFilePickerElementIds::CHECKBOX_LINK, 0, Any( bImageIsLinked ) );
+
+ if ( ERRCODE_NONE == aDialog.Execute() )
+ {
+ // reset the url property in case it already has the value we're about to set - in this case
+ // our propertyChanged would not get called without this.
+ implClearGraphics( false );
+ bool bIsLink = false;
+ xController->getValue(ExtendedFilePickerElementIds::CHECKBOX_LINK, 0) >>= bIsLink;
+ // Force bIsLink to be sal_True if we're bound to a field. Though we initialized the file picker with IsLink=TRUE
+ // in this case, and disabled the respective control, there might be picker implementations which do not
+ // respect this, and return IsLink=FALSE here. In this case, "normalize" the flag.
+ // #i112659#
+ bIsLink |= bHasField;
+ if ( !bIsLink )
+ {
+ Graphic aGraphic;
+ aDialog.GetGraphic( aGraphic );
+ xSet->setPropertyValue( PROPERTY_GRAPHIC, Any( aGraphic.GetXGraphic() ) );
+ }
+ else
+ xSet->setPropertyValue( PROPERTY_IMAGE_URL, Any( aDialog.GetPath() ) );
+
+ return true;
+ }
+ }
+ catch(const Exception&)
+ {
+ TOOLS_WARN_EXCEPTION( "forms.component", "OImageControlControl::implInsertGraphics: caught an exception while attempting to execute the FilePicker!");
+ }
+ return false;
+}
+
+
+bool OImageControlControl::impl_isEmptyGraphics_nothrow() const
+{
+ bool bIsEmpty = true;
+
+ try
+ {
+ Reference< XPropertySet > xModelProps( const_cast< OImageControlControl* >( this )->getModel(), UNO_QUERY_THROW );
+ Reference< XGraphic > xGraphic;
+ OSL_VERIFY( xModelProps->getPropertyValue("Graphic") >>= xGraphic );
+ bIsEmpty = !xGraphic.is();
+ }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("forms.component");
+ }
+
+ return bIsEmpty;
+}
+
+// MouseListener
+
+void OImageControlControl::mousePressed(const css::awt::MouseEvent& e)
+{
+ SolarMutexGuard aGuard;
+
+ if (e.Buttons != MouseButton::LEFT)
+ return;
+
+ bool bModified = false;
+ // is this a request for a context menu?
+ if ( e.PopupTrigger )
+ {
+ Reference< XPopupMenu > xMenu( awt::PopupMenu::create( m_xContext ) );
+ DBG_ASSERT( xMenu.is(), "OImageControlControl::mousePressed: could not create a popup menu!" );
+
+ Reference< XWindowPeer > xWindowPeer = getPeer();
+ DBG_ASSERT( xWindowPeer.is(), "OImageControlControl::mousePressed: no window!" );
+
+ if ( xMenu.is() && xWindowPeer.is() )
+ {
+ xMenu->insertItem( ID_OPEN_GRAPHICS, ResourceManager::loadString(RID_STR_OPEN_GRAPHICS), 0, 0 );
+ xMenu->insertItem( ID_CLEAR_GRAPHICS, ResourceManager::loadString(RID_STR_CLEAR_GRAPHICS), 0, 1 );
+
+ // check if the ImageURL is empty
+ if ( impl_isEmptyGraphics_nothrow() )
+ xMenu->enableItem( ID_CLEAR_GRAPHICS, false );
+
+ awt::Rectangle aRect( e.X, e.Y, 0, 0 );
+ if ( ( e.X < 0 ) || ( e.Y < 0 ) )
+ { // context menu triggered by keyboard
+ // position it in the center of the control
+ Reference< XWindow > xWindow( static_cast< ::cppu::OWeakObject* >( this ), UNO_QUERY );
+ OSL_ENSURE( xWindow.is(), "OImageControlControl::mousePressed: me not a window? How this?" );
+ if ( xWindow.is() )
+ {
+ awt::Rectangle aPosSize = xWindow->getPosSize();
+ aRect.X = aPosSize.Width / 2;
+ aRect.Y = aPosSize.Height / 2;
+ }
+ }
+
+ const sal_Int16 nResult = xMenu->execute( xWindowPeer, aRect, PopupMenuDirection::EXECUTE_DEFAULT );
+
+ switch ( nResult )
+ {
+ case ID_OPEN_GRAPHICS:
+ implInsertGraphics();
+ bModified = true;
+ break;
+
+ case ID_CLEAR_GRAPHICS:
+ implClearGraphics( true );
+ bModified = true;
+ break;
+ }
+ }
+ }
+ else
+ {
+
+ // Double click
+ if (e.ClickCount == 2)
+ {
+
+ Reference<XPropertySet> xSet(getModel(), UNO_QUERY);
+ if (!xSet.is())
+ return;
+
+ // If the Control is not bound, do not display a dialog (because the to-be-sent URL would be invalid anyway)
+ Reference<XPropertySet> xBoundField;
+ if (hasProperty(PROPERTY_BOUNDFIELD, xSet))
+ xBoundField.set(
+ xSet->getPropertyValue(PROPERTY_BOUNDFIELD),
+ css::uno::UNO_QUERY);
+ if (!xBoundField.is())
+ {
+ // but only if our IMAGE_URL property is handled as if it is transient, which is equivalent to
+ // an empty control source
+ if ( !hasProperty(PROPERTY_CONTROLSOURCE, xSet) || !::comphelper::getString(xSet->getPropertyValue(PROPERTY_CONTROLSOURCE)).isEmpty() )
+ return;
+ }
+
+ bool bReadOnly = false;
+ xSet->getPropertyValue(PROPERTY_READONLY) >>= bReadOnly;
+ if (bReadOnly)
+ return;
+
+ if ( implInsertGraphics() )
+ bModified = true;
+ }
+ }
+
+ if ( bModified )
+ {
+ EventObject aEvent( *this );
+ m_aModifyListeners.notifyEach( &XModifyListener::modified, aEvent );
+ }
+}
+
+
+void SAL_CALL OImageControlControl::mouseReleased(const awt::MouseEvent& /*e*/)
+{
+}
+
+
+void SAL_CALL OImageControlControl::mouseEntered(const awt::MouseEvent& /*e*/)
+{
+}
+
+
+void SAL_CALL OImageControlControl::mouseExited(const awt::MouseEvent& /*e*/)
+{
+}
+
+} // namespace frm
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_form_OImageControlModel_get_implementation(css::uno::XComponentContext* component,
+ css::uno::Sequence<css::uno::Any> const &)
+{
+ return cppu::acquire(new frm::OImageControlModel(component));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_form_OImageControlControl_get_implementation(css::uno::XComponentContext* component,
+ css::uno::Sequence<css::uno::Any> const &)
+{
+ return cppu::acquire(new frm::OImageControlControl(component));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */