office-gobmx/forms/source/component/propertybaghelper.cxx
2011-02-06 13:43:35 +01:00

360 lines
15 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_forms.hxx"
#include "propertybaghelper.hxx"
#include "property.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/beans/PropertyExistException.hpp>
#include <com/sun/star/beans/XMultiPropertySet.hpp>
#include <com/sun/star/beans/NotRemoveableException.hpp>
#include <com/sun/star/beans/UnknownPropertyException.hpp>
/** === end UNO includes === **/
#include <tools/diagnose_ex.h>
#include <comphelper/sequence.hxx>
#include <rtl/logfile.hxx>
#include "rtl/instance.hxx"
#define NEW_HANDLE_BASE 10000
//........................................................................
namespace frm
{
//........................................................................
/** === begin UNO using === **/
using ::com::sun::star::lang::DisposedException;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::beans::Property;
using ::com::sun::star::uno::Any;
using ::com::sun::star::beans::PropertyExistException;
using ::com::sun::star::beans::PropertyValue;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::beans::XMultiPropertySet;
using ::com::sun::star::beans::XPropertySetInfo;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::beans::NotRemoveableException;
using ::com::sun::star::beans::UnknownPropertyException;
/** === end UNO using === **/
namespace PropertyAttribute = ::com::sun::star::beans::PropertyAttribute;
//====================================================================
//= helper
//====================================================================
namespace
{
//----------------------------------------------------------------
static ::comphelper::IPropertyInfoService& lcl_getPropertyInfos()
{
static ConcreteInfoService s_aPropInfos;
return s_aPropInfos;
}
}
//====================================================================
//= PropertyBagHelper
//====================================================================
//--------------------------------------------------------------------
PropertyBagHelper::PropertyBagHelper( IPropertyBagHelperContext& _rContext )
:m_rContext( _rContext )
,m_pPropertyArrayHelper( NULL )
,m_bDisposed( false )
{
}
//--------------------------------------------------------------------
PropertyBagHelper::~PropertyBagHelper()
{
delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = NULL;
}
//--------------------------------------------------------------------
void PropertyBagHelper::dispose()
{
m_bDisposed = true;
}
//--------------------------------------------------------------------
void PropertyBagHelper::impl_nts_checkDisposed_throw() const
{
if ( m_bDisposed )
throw DisposedException();
}
//--------------------------------------------------------------------
void PropertyBagHelper::impl_nts_invalidatePropertySetInfo()
{
delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = NULL;
}
//--------------------------------------------------------------------
sal_Int32 PropertyBagHelper::impl_findFreeHandle( const ::rtl::OUString& _rPropertyName )
{
::comphelper::OPropertyArrayAggregationHelper& rPropInfo( impl_ts_getArrayHelper() );
// check the preferred handle
sal_Int32 nHandle = lcl_getPropertyInfos().getPreferedPropertyId( _rPropertyName );
if ( ( nHandle != -1 ) && rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nHandle ) )
nHandle = -1;
// seach a free handle in <math>F_1009</math>
if ( nHandle == -1 )
{
sal_Int32 nPrime = 1009;
sal_Int32 nFactor = 11;
sal_Int32 nNum = nFactor;
while ( nNum != 1 )
{
if ( !rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nNum + NEW_HANDLE_BASE ) )
{
// handle not used, yet
nHandle = nNum + NEW_HANDLE_BASE;
break;
}
nNum = ( nNum * nFactor ) % nPrime;
}
}
// search a free handle greater NEW_HANDLE_BASE
if ( nHandle == -1 )
{
nHandle = NEW_HANDLE_BASE + 1009;
while ( rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nHandle ) )
++nHandle;
}
return nHandle;
}
//--------------------------------------------------------------------
::comphelper::OPropertyArrayAggregationHelper& PropertyBagHelper::impl_ts_getArrayHelper() const
{
OPropertyArrayAggregationHelper* p = m_pPropertyArrayHelper;
if ( !p )
{
::osl::MutexGuard aGuard( m_rContext.getMutex() );
p = m_pPropertyArrayHelper;
if ( !p )
{
// our own fixed and our aggregate's properties
Sequence< Property > aFixedProps;
Sequence< Property > aAggregateProps;
m_rContext.describeFixedAndAggregateProperties( aFixedProps, aAggregateProps );
// our dynamic properties
Sequence< Property > aDynamicProps;
m_aDynamicProperties.describeProperties( aDynamicProps );
Sequence< Property > aOwnProps(
::comphelper::concatSequences( aFixedProps, aDynamicProps ) );
p = new OPropertyArrayAggregationHelper( aOwnProps, aAggregateProps, &lcl_getPropertyInfos(), NEW_HANDLE_BASE );
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
const_cast< PropertyBagHelper* >( this )->m_pPropertyArrayHelper = p;
}
} // if ( !p )
else
{
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
}
return *p;
}
//--------------------------------------------------------------------
void PropertyBagHelper::addProperty( const ::rtl::OUString& _rName, ::sal_Int16 _nAttributes, const Any& _rInitialValue )
{
::osl::MutexGuard aGuard( m_rContext.getMutex() );
impl_nts_checkDisposed_throw();
//----------------------------------------------
// check name sanity
::comphelper::OPropertyArrayAggregationHelper& aPropInfo( impl_ts_getArrayHelper() );
if ( aPropInfo.hasPropertyByName( _rName ) )
throw PropertyExistException( _rName, m_rContext.getPropertiesInterface() );
//----------------------------------------------
// normalize the REMOVEABLE attribute - the FormComponent service
// requires that all dynamic properties are REMOVEABLE
_nAttributes |= PropertyAttribute::REMOVEABLE;
//----------------------------------------------
// find a free handle
sal_Int32 nHandle = impl_findFreeHandle( _rName );
//----------------------------------------------
// register the property, and invalidate our property meta data
m_aDynamicProperties.addProperty( _rName, nHandle, _nAttributes, _rInitialValue );
impl_nts_invalidatePropertySetInfo();
}
//--------------------------------------------------------------------
void PropertyBagHelper::removeProperty( const ::rtl::OUString& _rName )
{
::osl::MutexGuard aGuard( m_rContext.getMutex() );
impl_nts_checkDisposed_throw();
// check whether it's removeable at all
Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), UNO_QUERY_THROW );
Reference< XPropertySetInfo > xPSI( xMe->getPropertySetInfo(), UNO_QUERY_THROW );
Property aProperty( xPSI->getPropertyByName( _rName ) );
if ( ( aProperty.Attributes & PropertyAttribute::REMOVEABLE ) == 0 )
throw NotRemoveableException( _rName, xMe );
m_aDynamicProperties.removeProperty( _rName );
impl_nts_invalidatePropertySetInfo();
}
//--------------------------------------------------------------------
namespace
{
//----------------------------------------------------------------
struct SelectNameOfProperty : public ::std::unary_function< Property, ::rtl::OUString >
{
const ::rtl::OUString& operator()( const Property& _rProp ) const { return _rProp.Name; }
};
//----------------------------------------------------------------
struct SelectNameOfPropertyValue : public ::std::unary_function< PropertyValue, ::rtl::OUString >
{
const ::rtl::OUString& operator()( const PropertyValue& _rProp ) const { return _rProp.Name; }
};
//----------------------------------------------------------------
struct SelectValueOfPropertyValue : public ::std::unary_function< PropertyValue, Any >
{
const Any& operator()( const PropertyValue& _rProp ) const { return _rProp.Value; }
};
//----------------------------------------------------------------
struct PropertyValueLessByName : public ::std::binary_function< PropertyValue, PropertyValue, bool >
{
bool operator()( const PropertyValue& _lhs, const PropertyValue _rhs ) const
{
return _lhs.Name < _rhs.Name;
}
};
}
//--------------------------------------------------------------------
Sequence< PropertyValue > PropertyBagHelper::getPropertyValues()
{
::osl::MutexGuard aGuard( m_rContext.getMutex() );
impl_nts_checkDisposed_throw();
Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), UNO_QUERY_THROW );
Reference< XPropertySetInfo > xPSI( xMe->getPropertySetInfo(), UNO_QUERY_THROW );
Sequence< Property > aProperties( xPSI->getProperties() );
Sequence< ::rtl::OUString > aPropertyNames( aProperties.getLength() );
::std::transform( aProperties.getConstArray(), aProperties.getConstArray() + aProperties.getLength(),
aPropertyNames.getArray(), SelectNameOfProperty() );
Sequence< Any > aValues;
try
{
aValues = xMe->getPropertyValues( aPropertyNames );
if ( aValues.getLength() != aPropertyNames.getLength() )
throw RuntimeException();
}
catch( const RuntimeException& ) { throw; }
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
Sequence< PropertyValue > aPropertyValues( aValues.getLength() );
PropertyValue* pPropertyValue = aPropertyValues.getArray();
const ::rtl::OUString* pName = aPropertyNames.getConstArray();
const ::rtl::OUString* pNameEnd = aPropertyNames.getConstArray() + aPropertyNames.getLength();
const Any* pValue = aValues.getConstArray();
for ( ; pName != pNameEnd; ++pName, ++pValue, ++pPropertyValue )
{
pPropertyValue->Name = *pName;
pPropertyValue->Value = *pValue;
}
return aPropertyValues;
}
//--------------------------------------------------------------------
void PropertyBagHelper::setPropertyValues( const Sequence< PropertyValue >& _rProps )
{
::osl::ClearableMutexGuard aGuard( m_rContext.getMutex() );
impl_nts_checkDisposed_throw();
sal_Int32 nPropertyValues = _rProps.getLength();
// XMultiPropertySet::setPropertyValues expects its arguments to be sorted by name
// while XPropertyAccess::setPropertyValues doesn't. So first of all, sort.
Sequence< PropertyValue > aSortedProps( _rProps );
::std::sort( aSortedProps.getArray(), aSortedProps.getArray() + nPropertyValues, PropertyValueLessByName() );
// also, XPropertyAccess::setPropertyValues is expected to throw an UnknownPropertyException
// for unsupported properties, while XMultiPropertySet::setPropertyValues is expected to ignore
// those. So, check for unsupported properties first.
::comphelper::OPropertyArrayAggregationHelper& rArrayHelper( impl_ts_getArrayHelper() );
for ( const PropertyValue* pProperties = aSortedProps.getConstArray();
pProperties != aSortedProps.getConstArray() + nPropertyValues;
++pProperties
)
{
if ( !rArrayHelper.hasPropertyByName( pProperties->Name ) )
throw UnknownPropertyException( pProperties->Name, m_rContext.getPropertiesInterface() );
}
// Now finally split into a Name and a Value sequence, and forward to
// XMultiPropertySet::setPropertyValues
Sequence< ::rtl::OUString > aNames( nPropertyValues );
::std::transform( aSortedProps.getConstArray(), aSortedProps.getConstArray() + nPropertyValues,
aNames.getArray(), SelectNameOfPropertyValue() );
Sequence< Any > aValues( nPropertyValues );
::std::transform( aSortedProps.getConstArray(), aSortedProps.getConstArray() + nPropertyValues,
aValues.getArray(), SelectValueOfPropertyValue() );
Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), UNO_QUERY_THROW );
aGuard.clear();
xMe->setPropertyValues( aNames, aValues );
}
//........................................................................
} // namespace frm
//........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */