chart2/source/controller/itemsetwrapper/ItemConverter.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 "ItemConverter.hxx"
  21 #include "macros.hxx"
  22 #include <com/sun/star/lang/XComponent.hpp>
  23 #include <osl/diagnose.h>
  24 #include <svl/itemprop.hxx>
  25 #include <svl/itemiter.hxx>
  26 #include <svl/whiter.hxx>
  27 #include <svx/svxids.hrc>
  28
  29 using namespace ::com::sun::star;
  30
  31 namespace chart { namespace wrapper {
  32
  33 ItemConverter::ItemConverter(
  34     const uno::Reference< beans::XPropertySet > & rPropertySet,
  35     SfxItemPool& rItemPool ) :
  36         m_xPropertySet( rPropertySet ),
  37         m_xPropertySetInfo( NULL ),
  38         m_rItemPool( rItemPool ),
  39         m_bIsValid( true )
  40 {
  41     resetPropertySet( m_xPropertySet );
  42 }
  43
  44 ItemConverter::~ItemConverter()
  45 {
  46     stopAllComponentListening();
  47 }
  48
  49 void ItemConverter::resetPropertySet(
  50     const uno::Reference< beans::XPropertySet > & xPropSet )
  51 {
  52     if( xPropSet.is())
  53     {
  54         stopAllComponentListening();
  55         m_xPropertySet = xPropSet;
  56         m_xPropertySetInfo = m_xPropertySet->getPropertySetInfo();
  57
  58         uno::Reference< lang::XComponent > xComp( m_xPropertySet, uno::UNO_QUERY );
  59         if( xComp.is())
  60         {
  61             // method of base class ::utl::OEventListenerAdapter
  62             startComponentListening( xComp );
  63         }
  64     }
  65 }
  66
  67 SfxItemSet ItemConverter::CreateEmptyItemSet() const
  68 {
  69     return SfxItemSet( GetItemPool(), GetWhichPairs() );
  70 }
  71
  72 void ItemConverter::_disposing( const lang::EventObject& rSource )
  73 {
  74     if( rSource.Source == m_xPropertySet )
  75     {
  76         m_bIsValid = false;
  77     }
  78 }
  79
  80 void ItemConverter::FillItemSet( SfxItemSet & rOutItemSet ) const
  81 {
  82     const sal_uInt16 * pRanges = rOutItemSet.GetRanges();
  83     tPropertyNameWithMemberId aProperty;
  84     SfxItemPool & rPool = GetItemPool();
  85
  86     assert(pRanges != NULL);
  87     OSL_ASSERT( m_xPropertySetInfo.is());
  88     OSL_ASSERT( m_xPropertySet.is());
  89
  90     while( (*pRanges) != 0)
  91     {
  92         sal_uInt16 nBeg = (*pRanges);
  93         ++pRanges;
  94         sal_uInt16 nEnd = (*pRanges);
  95         ++pRanges;
  96
  97         OSL_ASSERT( nBeg <= nEnd );
  98         for( sal_uInt16 nWhich = nBeg; nWhich <= nEnd; ++nWhich )
  99         {
 100             if( GetItemProperty( nWhich, aProperty ))
 101             {
 102                 // put the Property into the itemset
 103                 SfxPoolItem * pItem = rPool.GetDefaultItem( nWhich ).Clone();
 104
 105                 if( pItem )
 106                 {
 107                     try
 108                     {
 109                         if( ! pItem->PutValue( m_xPropertySet->getPropertyValue( aProperty.first ),
 110                                                aProperty.second // nMemberId
 111                                 ))
 112                         {
 113                             delete pItem;
 114                         }
 115                         else
 116                         {
 117                             rOutItemSet.Put( *pItem, nWhich );
 118                             delete pItem;
 119                         }
 120                     }
 121                     catch( const beans::UnknownPropertyException &ex )
 122                     {
 123                         delete pItem;
 124                         (void)ex;
 125                         OSL_FAIL(
 126                                     OUStringToOString(
 127                                         ex.Message +
 128                                         " - unknown Property: " + aProperty.first,
 129                                         RTL_TEXTENCODING_ASCII_US ).getStr());
 130                     }
 131                     catch( const uno::Exception &ex )
 132                     {
 133                         ASSERT_EXCEPTION( ex );
 134                     }
 135                 }
 136             }
 137             else
 138             {
 139                 try
 140                 {
 141                     FillSpecialItem( nWhich, rOutItemSet );
 142                 }
 143                 catch( const uno::Exception &ex )
 144                 {
 145                     ASSERT_EXCEPTION( ex );
 146                 }
 147             }
 148         }
 149     }
 150 }
 151
 152 void ItemConverter::FillSpecialItem(
 153     sal_uInt16 /*nWhichId*/, SfxItemSet & /*rOutItemSet*/ ) const
 154     throw (uno::Exception, std::exception)
 155 {
 156     OSL_FAIL( "ItemConverter: Unhandled special item found!" );
 157 }
 158
 159 bool ItemConverter::ApplySpecialItem(
 160     sal_uInt16 /*nWhichId*/, const SfxItemSet & /*rItemSet*/ )
 161     throw( uno::Exception )
 162 {
 163     OSL_FAIL( "ItemConverter: Unhandled special item found!" );
 164     return false;
 165 }
 166
 167 bool ItemConverter::ApplyItemSet( const SfxItemSet & rItemSet )
 168 {
 169     OSL_ASSERT( m_xPropertySet.is());
 170
 171     bool bItemsChanged = false;
 172     SfxItemIter aIter( rItemSet );
 173     const SfxPoolItem * pItem = aIter.FirstItem();
 174     tPropertyNameWithMemberId aProperty;
 175     uno::Any aValue;
 176
 177     while( pItem )
 178     {
 179         if( rItemSet.GetItemState( pItem->Which(), false ) == SfxItemState::SET )
 180         {
 181             if( GetItemProperty( pItem->Which(), aProperty ))
 182             {
 183                 pItem->QueryValue( aValue, aProperty.second /* nMemberId */ );
 184
 185                 try
 186                 {
 187                     if( aValue != m_xPropertySet->getPropertyValue( aProperty.first ))
 188                     {
 189                         m_xPropertySet->setPropertyValue( aProperty.first, aValue );
 190                         bItemsChanged = true;
 191                     }
 192                 }
 193                 catch( const beans::UnknownPropertyException &ex )
 194                 {
 195                     (void)ex;
 196                     OSL_FAIL(
 197                                 OUStringToOString(
 198                                     ex.Message +
 199                                     " - unknown Property: " + aProperty.first,
 200                                     RTL_TEXTENCODING_ASCII_US).getStr());
 201                 }
 202                 catch( const uno::Exception &ex )
 203                 {
 204                     (void)ex;
 205                     OSL_FAIL( OUStringToOString(
 206                                     ex.Message, RTL_TEXTENCODING_ASCII_US ).getStr());
 207                 }
 208             }
 209             else
 210             {
 211                 bItemsChanged = ApplySpecialItem( pItem->Which(), rItemSet ) || bItemsChanged;
 212             }
 213         }
 214         pItem = aIter.NextItem();
 215     }
 216
 217     return bItemsChanged;
 218 }
 219
 220 void ItemConverter::InvalidateUnequalItems( SfxItemSet  &rDestSet, const SfxItemSet &rSourceSet )
 221 {
 222     SfxWhichIter      aIter (rSourceSet);
 223     sal_uInt16            nWhich     = aIter.FirstWhich ();
 224     const SfxPoolItem *pPoolItem = NULL;
 225
 226     while (nWhich)
 227     {
 228         if ((rSourceSet.GetItemState(nWhich, true, &pPoolItem) == SfxItemState::SET) &&
 229             (rDestSet.GetItemState(nWhich, true, &pPoolItem) == SfxItemState::SET))
 230         {
 231             if (rSourceSet.Get(nWhich) != rDestSet.Get(nWhich))
 232             {
 233                 if( SID_CHAR_DLG_PREVIEW_STRING != nWhich )
 234                 {
 235                     rDestSet.InvalidateItem(nWhich);
 236                 }
 237             }
 238         }
 239         else if( rSourceSet.GetItemState(nWhich, true, &pPoolItem) == SfxItemState::DONTCARE )
 240             rDestSet.InvalidateItem(nWhich);
 241
 242         nWhich = aIter.NextWhich ();
 243     }
 244 }
 245
 246 }}
 247
 248 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */