/* -*- 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 <services.hxx>
#include <componenttools.hxx>
#include <svtools/imageresourceaccess.hxx>
#include <sfx2/filedlghelper.hxx>
#include <toolkit/helper/vclunohelper.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/ui/dialogs/TemplateDescription.hpp>
#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
#include <com/sun/star/ui/dialogs/XFilePicker.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/awt/XDialog.hpp>
#include <com/sun/star/io/XActiveDataSink.hpp>
#include <com/sun/star/io/NotConnectedException.hpp>
#include <com/sun/star/beans/PropertyValue.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/svapp.hxx>
#include <unotools/streamhelper.hxx>
#include <comphelper/guarding.hxx>
#include <comphelper/property.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::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::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_sImageURL()
,m_xGraphicObject()
{
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
IMPLEMENT_DEFAULT_CLONING( OImageControlModel )
// 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
{
BEGIN_DESCRIBE_PROPERTIES( 4, OBoundControlModel )
DECL_IFACE_PROP2( GRAPHIC, XGraphic, BOUND, TRANSIENT );
DECL_PROP1 ( IMAGE_URL, OUString, BOUND );
DECL_BOOL_PROP1 ( READONLY, BOUND );
DECL_PROP1 ( TABINDEX, sal_Int16, BOUND );
END_DESCRIBE_PROPERTIES();
}
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 sychronization mechanism.
RemoveProperty( o_rAggregateProperties, PROPERTY_IMAGE_URL );
RemoveProperty( o_rAggregateProperties, PROPERTY_GRAPHIC );
}
OUString OImageControlModel::getServiceName()
{
return OUString(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.get() == 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( makeAny( 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( const OUString& _rDocURL )
{
return ( !_rDocURL.isEmpty() && _rDocURL != "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 makeAny( xImageStream );
}
case ImageStoreLink:
{
OUString sImageLink( m_xColumn->getString() );
if ( !m_sDocumentURL.isEmpty() )
sImageLink = INetURLObject::GetAbsURL( m_sDocumentURL, sImageLink );
return makeAny( sImageLink );
}
case ImageStoreInvalid:
OSL_FAIL( "OImageControlModel::translateDbColumnToControlValue: invalid field type!" );
break;
}
return Any();
}
Any OImageControlModel::getControlValue( ) const
{
return makeAny( 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, makeAny( 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() )
{
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, makeAny( 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, makeAny( OUString() ) );
}
}
bool OImageControlControl::implInsertGraphics()
{
Reference< XPropertySet > xSet( getModel(), UNO_QUERY );
if ( !xSet.is() )
return false;
OUString sTitle = FRM_RES_STRING(RID_STR_IMPORT_GRAPHIC);
// build some arguments for the upcoming dialog
try
{
Reference< XWindowPeer > xWindowPeer = getPeer();
VclPtr<vcl::Window> xWin = VCLUnoHelper::GetWindow(xWindowPeer);
::sfx2::FileDialogHelper aDialog(TemplateDescription::FILEOPEN_LINK_PREVIEW, FileDialogFlags::Graphic,
xWin ? xWin->GetFrameWeld() : nullptr);
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, makeAny( 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, makeAny( aGraphic.GetXGraphic() ) );
}
else
xSet->setPropertyValue( PROPERTY_IMAGE_URL, makeAny( aDialog.GetPath() ) );
return true;
}
}
catch(const Exception&)
{
OSL_FAIL("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, FRM_RES_STRING( RID_STR_OPEN_GRAPHICS ), 0, 0 );
xMenu->insertItem( ID_CLEAR_GRAPHICS, FRM_RES_STRING( 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: */
↑ V547 Expression 'bReadOnly' is always false.