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