libreoffice/forms/source/component/RadioButton.cxx

/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: RadioButton.cxx,v $
 *
 *  $Revision: 1.19 $
 *
 *  last change: $Author: kz $ $Date: 2006-07-19 16:44:13 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef _FORMS_RADIOBUTTON_HXX_
#include "RadioButton.hxx"
#endif
#ifndef _FRM_PROPERTY_HXX_
#include "property.hxx"
#endif
#ifndef _FRM_PROPERTY_HRC_
#include "property.hrc"
#endif
#ifndef _FRM_SERVICES_HXX_
#include "services.hxx"
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _COMPHELPER_EXTRACT_HXX_
#include <comphelper/extract.hxx>
#endif
#ifndef _COMPHELPER_BASIC_IO_HXX_
#include <comphelper/basicio.hxx>
#endif

#ifndef _COM_SUN_STAR_CONTAINER_XINDEXACCESS_HPP_
#include <com/sun/star/container/XIndexAccess.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_XVCLWINDOWPEER_HPP_
#include <com/sun/star/awt/XVclWindowPeer.hpp>
#endif

//.........................................................................
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;
using namespace ::com::sun::star::form::binding;

//==================================================================
//------------------------------------------------------------------------------
InterfaceRef SAL_CALL ORadioButtonControl_CreateInstance(const Reference<XMultiServiceFactory>& _rxFactory) throw (RuntimeException)
{
    return *(new ORadioButtonControl(_rxFactory));
}

//------------------------------------------------------------------------------
StringSequence SAL_CALL ORadioButtonControl::getSupportedServiceNames() throw(RuntimeException)
{
    StringSequence aSupported = OBoundControl::getSupportedServiceNames();
    aSupported.realloc(aSupported.getLength() + 1);

    ::rtl::OUString* pArray = aSupported.getArray();
    pArray[aSupported.getLength()-1] = FRM_SUN_CONTROL_RADIOBUTTON;
    return aSupported;
}


//------------------------------------------------------------------
ORadioButtonControl::ORadioButtonControl(const Reference<XMultiServiceFactory>& _rxFactory)
                      :OBoundControl(_rxFactory, VCL_CONTROL_RADIOBUTTON)
{
}

//------------------------------------------------------------------
void SAL_CALL ORadioButtonControl::createPeer(const Reference<starawt::XToolkit>& _rxToolkit, const Reference<starawt::XWindowPeer>& _rxParent) throw (RuntimeException)
{
    OBoundControl::createPeer(_rxToolkit, _rxParent);

    // switch off the auto-toggle, we do this ourself ....
    // (formerly this switch-off was done in the toolkit - but the correct place is here ...)
//  Reference< XVclWindowPeer >  xVclWindowPeer( getPeer(), UNO_QUERY );
//  if (xVclWindowPeer.is())
//      xVclWindowPeer->setProperty(::rtl::OUString::createFromAscii("AutoToggle"), ::cppu::bool2any(sal_False));
    // new order: do _not_ switch off the auto toggle because:
    // * today, it is not necessary anymore to handle the toggling ourself (everything works fine without it)
    // * without auto toggle, the AccessibleEvents as fired by the radio buttons are
    //     a. newly checked button: "unchecked"->"checked"
    //     b. previously checked button: "checked"->"unchecked"
    //   This is deadly for AT-tools, which then get the "unchecked" event _immediately_ after the "checked" event,
    //   and only read the latter. This makes radio buttons pretty unusable in form documents.
    //   So we switched AutoToggle _on_, again, because then VCL can handle the notifications, and will send
    //   them in the proper order.
}

//==================================================================
InterfaceRef SAL_CALL ORadioButtonModel_CreateInstance(const Reference<XMultiServiceFactory>& _rxFactory) throw (RuntimeException)
{
    return *(new ORadioButtonModel(_rxFactory));
}

//------------------------------------------------------------------
DBG_NAME( ORadioButtonModel )
//------------------------------------------------------------------
ORadioButtonModel::ORadioButtonModel(const Reference<XMultiServiceFactory>& _rxFactory)
    :OReferenceValueComponent( _rxFactory, VCL_CONTROLMODEL_RADIOBUTTON, FRM_SUN_CONTROL_RADIOBUTTON,sal_True )
                    // use the old control name for compytibility reasons
{
    DBG_CTOR( ORadioButtonModel, NULL );

    m_nClassId = FormComponentType::RADIOBUTTON;
    m_aLabelServiceName = FRM_SUN_COMPONENT_GROUPBOX;
    initValueProperty( PROPERTY_STATE, PROPERTY_ID_STATE );
}

//------------------------------------------------------------------
ORadioButtonModel::ORadioButtonModel( const ORadioButtonModel* _pOriginal, const Reference<XMultiServiceFactory>& _rxFactory )
    :OReferenceValueComponent( _pOriginal, _rxFactory )
{
    DBG_CTOR( ORadioButtonModel, NULL );
}

//------------------------------------------------------------------------------
ORadioButtonModel::~ORadioButtonModel()
{
    DBG_DTOR( ORadioButtonModel, NULL );
}

// XCloneable
//------------------------------------------------------------------------------
IMPLEMENT_DEFAULT_CLONING( ORadioButtonModel )

// XServiceInfo
//------------------------------------------------------------------------------
StringSequence SAL_CALL ORadioButtonModel::getSupportedServiceNames() throw(RuntimeException)
{
    StringSequence aSupported = OReferenceValueComponent::getSupportedServiceNames();

    sal_Int32 nOldLen = aSupported.getLength();
    aSupported.realloc( nOldLen + 8 );
    ::rtl::OUString* pStoreTo = aSupported.getArray() + nOldLen;

    *pStoreTo++ = BINDABLE_CONTROL_MODEL;
    *pStoreTo++ = DATA_AWARE_CONTROL_MODEL;
    *pStoreTo++ = VALIDATABLE_CONTROL_MODEL;

    *pStoreTo++ = BINDABLE_DATA_AWARE_CONTROL_MODEL;
    *pStoreTo++ = VALIDATABLE_BINDABLE_CONTROL_MODEL;

    *pStoreTo++ = FRM_SUN_COMPONENT_RADIOBUTTON;
    *pStoreTo++ = FRM_SUN_COMPONENT_DATABASE_RADIOBUTTON;
    *pStoreTo++ = BINDABLE_DATABASE_RADIO_BUTTON;

    return aSupported;
}

//------------------------------------------------------------------------------
void ORadioButtonModel::SetSiblingPropsTo(const ::rtl::OUString& rPropName, const Any& rValue)
{
    // mein Name
    ::rtl::OUString sMyName(m_aName);

    // meine Siblings durchiterieren
    Reference<XIndexAccess> xIndexAccess(getParent(), UNO_QUERY);
    if (xIndexAccess.is())
    {
        Reference<XPropertySet> xMyProps;
        query_interface(static_cast<XWeak*>(this), xMyProps);
        ::rtl::OUString sCurrentName;
        for (sal_Int32 i=0; i<xIndexAccess->getCount(); ++i)
        {
            Reference<XPropertySet> xSiblingProperties(*(InterfaceRef*)xIndexAccess->getByIndex(i).getValue(), UNO_QUERY);
            if (!xSiblingProperties.is())
                continue;
            if (xMyProps == xSiblingProperties)
                continue;   // mich selber nicht umsetzen

            // nur wenn es ein Radio-Button ist
            if (!hasProperty(PROPERTY_CLASSID, xSiblingProperties))
                continue;
            sal_Int16 nType = 0;
            xSiblingProperties->getPropertyValue(PROPERTY_CLASSID) >>= nType;
            if (nType != FormComponentType::RADIOBUTTON)
                continue;

            // das 'zur selben Gruppe gehoeren' wird am Namen festgemacht
            xSiblingProperties->getPropertyValue(PROPERTY_NAME) >>= sCurrentName;
            if (sCurrentName == sMyName)
                xSiblingProperties->setPropertyValue(rPropName, rValue);
        }
    }
}

//------------------------------------------------------------------------------
void ORadioButtonModel::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle, const Any& rValue) throw (Exception)
{
    OReferenceValueComponent::setFastPropertyValue_NoBroadcast( nHandle, rValue );

    // if the label control changed ...
    if (nHandle == PROPERTY_ID_CONTROLLABEL)
    {   // ... forward this to our siblings
        SetSiblingPropsTo(PROPERTY_CONTROLLABEL, rValue);
    }

    // wenn sich die ControlSource-Eigenschaft geaendert hat ...
    if (nHandle == PROPERTY_ID_CONTROLSOURCE)
    {   // ... muss ich allen meinen Siblings, die in der selben RadioButton-Gruppe sind wie ich, auch die
        // neue ControlSource mitgeben
        SetSiblingPropsTo(PROPERTY_CONTROLSOURCE, rValue);
    }

    // die andere Richtung : wenn sich mein Name aendert ...
    if (nHandle == PROPERTY_ID_NAME)
    {
        // ... muss ich testen, ob ich Siblings mit dem selben Namen habe, damit ich deren ControlSource uebernehmen kann
        Reference<XIndexAccess> xIndexAccess(getParent(), UNO_QUERY);
        if (xIndexAccess.is())
        {
            ::rtl::OUString         sName;
            ::rtl::OUString         sControlSource;

            Reference<XPropertySet> xMyProps;
            query_interface(static_cast<XWeak*>(this), xMyProps);
            for (sal_Int32 i=0; i<xIndexAccess->getCount(); ++i)
            {
                Reference<XPropertySet> xSiblingProperties(*(InterfaceRef*)xIndexAccess->getByIndex(i).getValue(), UNO_QUERY);
                if (!xSiblingProperties.is())
                    continue;

                if (xMyProps == xSiblingProperties)
                    // nur wenn ich nicht mich selber gefunden habe
                    continue;

                sal_Int16 nType = 0;
                xSiblingProperties->getPropertyValue(PROPERTY_CLASSID) >>= nType;
                if (nType != FormComponentType::RADIOBUTTON)
                    // nur Radio-Buttons
                    continue;

                xSiblingProperties->getPropertyValue(PROPERTY_NAME) >>= sName;
                // Control, das zur gleichen Gruppe gehoert ?
                if (rValue == sName)
                {
                    setPropertyValue(PROPERTY_CONTROLSOURCE, xSiblingProperties->getPropertyValue(PROPERTY_CONTROLSOURCE));
                    break;
                }
            }
        }
    }

    if (nHandle == PROPERTY_ID_DEFAULTCHECKED)
    {
        sal_Int16 nValue;
        rValue >>= nValue;
        if (1 == nValue)
        {   // bei allen Radios der selben Gruppe das 'default checked' ruecksetzen, denn wie schon der highlander wusste :
            // es kann nur einen geben.
            Any aZero;
            nValue = 0;
            aZero <<= nValue;
            SetSiblingPropsTo(PROPERTY_DEFAULTCHECKED, aZero);
        }
    }
}

//------------------------------------------------------------------------------
Reference<XPropertySetInfo> SAL_CALL ORadioButtonModel::getPropertySetInfo() throw(RuntimeException)
{
    Reference<XPropertySetInfo> xInfo( createPropertySetInfo( getInfoHelper() ) );
    return xInfo;
}

//------------------------------------------------------------------------------
cppu::IPropertyArrayHelper& ORadioButtonModel::getInfoHelper()
{
    return *const_cast<ORadioButtonModel*>(this)->getArrayHelper();
}

//------------------------------------------------------------------------------
void ORadioButtonModel::fillProperties(
        Sequence< Property >& _rProps,
        Sequence< Property >& _rAggregateProps ) const
{
    BEGIN_DESCRIBE_PROPERTIES( 1, OReferenceValueComponent )
        DECL_PROP1(TABINDEX,            sal_Int16,                  BOUND);
    END_DESCRIBE_PROPERTIES();
}

//------------------------------------------------------------------------------
::rtl::OUString SAL_CALL ORadioButtonModel::getServiceName() throw(RuntimeException)
{
    return FRM_COMPONENT_RADIOBUTTON;   // old (non-sun) name for compatibility !
}

//------------------------------------------------------------------------------
void SAL_CALL ORadioButtonModel::write(const Reference<XObjectOutputStream>& _rxOutStream)
    throw(IOException, RuntimeException)
{
    OReferenceValueComponent::write(_rxOutStream);

    // Version
    _rxOutStream->writeShort(0x0003);

    // Properties
    _rxOutStream << getReferenceValue();
    _rxOutStream << (sal_Int16)getDefaultChecked();
    writeHelpTextCompatibly(_rxOutStream);

    // from version 0x0003 : common properties
    writeCommonProperties(_rxOutStream);
}

//------------------------------------------------------------------------------
void SAL_CALL ORadioButtonModel::read(const Reference<XObjectInputStream>& _rxInStream) throw(IOException, RuntimeException)
{
    OReferenceValueComponent::read(_rxInStream);
    ::osl::MutexGuard aGuard(m_aMutex);

    // Version
    UINT16 nVersion = _rxInStream->readShort();

    ::rtl::OUString sReferenceValue;
    sal_Int16 nDefaultChecked( 0 );
    switch (nVersion)
    {
        case 0x0001 :
            _rxInStream >> sReferenceValue;
            _rxInStream >> nDefaultChecked;
            break;
        case 0x0002 :
            _rxInStream >> sReferenceValue;
            _rxInStream >> nDefaultChecked;
            readHelpTextCompatibly(_rxInStream);
            break;
        case 0x0003 :
            _rxInStream >> sReferenceValue;
            _rxInStream >> nDefaultChecked;
            readHelpTextCompatibly(_rxInStream);
            readCommonProperties(_rxInStream);
            break;
        default :
            DBG_ERROR("ORadioButtonModel::read : unknown version !");
            defaultCommonProperties();
            break;
    }

    setReferenceValue( sReferenceValue );
    setDefaultChecked( (CheckState)nDefaultChecked );

    // Nach dem Lesen die Defaultwerte anzeigen
    if ( getControlSource().getLength() )
        // (not if we don't have a control source - the "State" property acts like it is persistent, then
        resetNoBroadcast();
}

//------------------------------------------------------------------------------
void ORadioButtonModel::_propertyChanged(const PropertyChangeEvent& _rEvent) throw(RuntimeException)
{
    if ( _rEvent.PropertyName.equals( PROPERTY_STATE ) )
    {
        if ( _rEvent.NewValue == (sal_Int16)1 )
        {
            // wenn sich mein Status auf 'checked' geaendert hat, muss ich alle meine Siblings, die in der selben Gruppe
            // sind wie ich, entsprechend zuruecksetzen
            Any aZero;
            aZero <<= (sal_Int16)0;
            SetSiblingPropsTo( PROPERTY_STATE, aZero );
        }
    }

    OReferenceValueComponent::_propertyChanged( _rEvent );
}

//------------------------------------------------------------------------------
Any ORadioButtonModel::translateDbColumnToControlValue()
{
    return makeAny( (sal_Int16)
        ( ( m_xColumn->getString() == getReferenceValue() ) ? STATE_CHECK : STATE_NOCHECK )
    );
}

//------------------------------------------------------------------------------
Any ORadioButtonModel::translateExternalValueToControlValue( ) const
{
    Any aControlValue = OReferenceValueComponent::translateExternalValueToControlValue();
    sal_Int16 nState = STATE_NOCHECK;
    if ( ( aControlValue >>= nState ) && ( nState == STATE_DONTKNOW ) )
        // radio buttons do not have the DONTKNOW state
        aControlValue <<= (sal_Int16)STATE_NOCHECK;
    return aControlValue;
}

//-----------------------------------------------------------------------------
sal_Bool ORadioButtonModel::commitControlValueToDbColumn( bool /*_bPostReset*/ )
{
    Reference< XPropertySet > xField( getField() );
    OSL_PRECOND( xField.is(), "ORadioButtonModel::commitControlValueToDbColumn: not bound!" );
    if ( xField.is() )
    {
        try
        {
            sal_Int16 nValue = 0;
            m_xAggregateSet->getPropertyValue( PROPERTY_STATE ) >>= nValue;
            if ( nValue == 1 )
                xField->setPropertyValue( PROPERTY_VALUE, makeAny( getReferenceValue() ) );
        }
        catch(Exception&)
        {
            DBG_ERROR("ORadioButtonModel::commitControlValueToDbColumn: could not commit !");
        }
    }
    return sal_True;
}

//.........................................................................
}
//.........................................................................