dbaccess/source/ui/misc/propertystorage.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "propertystorage.hxx"
  21
  22 #include <svl/itemset.hxx>
  23 #include <svl/stritem.hxx>
  24 #include <svl/eitem.hxx>
  25
  26 #include <osl/diagnose.h>
  27
  28 #include <cassert>
  29 #include <boost/scoped_ptr.hpp>
  30
  31 namespace dbaui
  32 {
  33
  34     using ::com::sun::star::uno::Reference;
  35     using ::com::sun::star::uno::XInterface;
  36     using ::com::sun::star::uno::UNO_QUERY;
  37     using ::com::sun::star::uno::Exception;
  38     using ::com::sun::star::uno::RuntimeException;
  39     using ::com::sun::star::uno::Any;
  40     using ::com::sun::star::uno::makeAny;
  41
  42     // PropertyStorage
  43     PropertyStorage::~PropertyStorage()
  44     {
  45     }
  46
  47     // helper
  48     namespace
  49     {
  50         #undef UNOTYPE
  51         template < class ITEMTYPE, class UNOTYPE >
  52         class ItemAdapter
  53         {
  54         public:
  55             static bool trySet( SfxItemSet& _rSet, ItemId _nItemId, const Any& _rValue )
  56             {
  57                 const SfxPoolItem& rItem( _rSet.Get( _nItemId ) );
  58                 const ITEMTYPE* pTypedItem = dynamic_cast< const ITEMTYPE* >( &rItem );
  59                 if ( !pTypedItem )
  60                     return false;
  61
  62                 UNOTYPE aValue( pTypedItem->GetValue() );
  63                 OSL_VERIFY( _rValue >>= aValue );
  64                 // TODO: one could throw an IllegalArgumentException here - finally, this method
  65                 // is (to be) used from within an XPropertySet::setPropertyValue implementation,
  66                 // where this would be the appropriate reaction on wrong value types
  67                 ITEMTYPE* pCloneItem = dynamic_cast< ITEMTYPE* >( pTypedItem->Clone() );
  68                 if(!pCloneItem)
  69                 {
  70                     return false;
  71                 }
  72                 boost::scoped_ptr< ITEMTYPE > pClone( pCloneItem);
  73                 assert(pClone.get());
  74                 pClone->SetValue( aValue );
  75                 _rSet.Put( *pClone );
  76                 return true;
  77             }
  78
  79             static bool tryGet( const SfxPoolItem& _rItem, Any& _out_rValue )
  80             {
  81                 const ITEMTYPE* pTypedItem = dynamic_cast< const ITEMTYPE* >( &_rItem );
  82                 if ( !pTypedItem )
  83                     return false;
  84
  85                 _out_rValue <<= UNOTYPE( pTypedItem->GetValue() );
  86                 return true;
  87             }
  88         };
  89     }
  90
  91     // SetItemPropertyStorage
  92     void SetItemPropertyStorage::getPropertyValue( Any& _out_rValue ) const
  93     {
  94         const SfxPoolItem& rItem( m_rItemSet.Get( m_nItemID ) );
  95
  96         // try some known item types
  97         if  (   ItemAdapter< SfxBoolItem, sal_Bool >::tryGet( rItem, _out_rValue )
  98             ||  ItemAdapter< SfxStringItem, OUString >::tryGet( rItem, _out_rValue )
  99             )
 100             return;
 101
 102         OSL_FAIL( "SetItemPropertyStorage::getPropertyValue: unsupported item type!" );
 103     }
 104
 105     void SetItemPropertyStorage::setPropertyValue( const Any& _rValue )
 106     {
 107         // try some known item types
 108         if  (   ItemAdapter< SfxBoolItem, sal_Bool >::trySet( m_rItemSet, m_nItemID, _rValue )
 109             ||  ItemAdapter< SfxStringItem, OUString >::trySet( m_rItemSet, m_nItemID, _rValue )
 110             )
 111             return;
 112
 113         OSL_FAIL( "SetItemPropertyStorage::setPropertyValue: unsupported item type!" );
 114     }
 115
 116 } // namespace dbaui
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */