svx/source/items/viewlayoutitem.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 <svx/viewlayoutitem.hxx>
  21 #include <com/sun/star/uno/Sequence.hxx>
  22 #include <com/sun/star/beans/PropertyValue.hpp>
  23
  24 #include <comphelper/propertyvalue.hxx>
  25 #include <osl/diagnose.h>
  26
  27 #include <cassert>
  28
  29
  30 SfxPoolItem* SvxViewLayoutItem::CreateDefault() { return new SvxViewLayoutItem; }
  31
  32 constexpr OUStringLiteral VIEWLAYOUT_PARAM_COLUMNS = u"Columns";
  33 constexpr OUStringLiteral VIEWLAYOUT_PARAM_BOOKMODE = u"BookMode";
  34 #define VIEWLAYOUT_PARAMS           2
  35
  36
  37 SvxViewLayoutItem::SvxViewLayoutItem
  38 (
  39     sal_uInt16      nColumns,
  40     bool        bBookMode,
  41     TypedWhichId<SvxViewLayoutItem>  _nWhich
  42 )
  43 :   SfxUInt16Item( _nWhich, nColumns ),
  44     mbBookMode( bBookMode )
  45 {
  46 }
  47
  48
  49 SvxViewLayoutItem::SvxViewLayoutItem( const SvxViewLayoutItem& rOrig )
  50 :   SfxUInt16Item( rOrig ),
  51     mbBookMode( rOrig.IsBookMode() )
  52 {
  53 }
  54
  55
  56 SvxViewLayoutItem::~SvxViewLayoutItem()
  57 {
  58 }
  59
  60 SvxViewLayoutItem* SvxViewLayoutItem::Clone( SfxItemPool * /*pPool*/ ) const
  61 {
  62     return new SvxViewLayoutItem( *this );
  63 }
  64
  65 bool SvxViewLayoutItem::operator==( const SfxPoolItem& rAttr ) const
  66 {
  67     assert(SfxPoolItem::operator==(rAttr));
  68
  69     const SvxViewLayoutItem& rItem = static_cast<const SvxViewLayoutItem&>(rAttr);
  70
  71     return ( GetValue() == rItem.GetValue()     &&
  72              mbBookMode == rItem.IsBookMode() );
  73 }
  74
  75 bool SvxViewLayoutItem::QueryValue( css::uno::Any& rVal, sal_uInt8 nMemberId ) const
  76 {
  77     nMemberId &= ~CONVERT_TWIPS;
  78     switch ( nMemberId )
  79     {
  80         case 0 :
  81         {
  82             css::uno::Sequence< css::beans::PropertyValue > aSeq{
  83                 comphelper::makePropertyValue(VIEWLAYOUT_PARAM_COLUMNS, sal_Int32( GetValue() )),
  84                 comphelper::makePropertyValue(VIEWLAYOUT_PARAM_BOOKMODE, mbBookMode)
  85             };
  86             assert(aSeq.getLength() == VIEWLAYOUT_PARAMS);
  87             rVal <<= aSeq;
  88         }
  89         break;
  90
  91         case MID_VIEWLAYOUT_COLUMNS : rVal <<= static_cast<sal_Int32>(GetValue()); break;
  92         case MID_VIEWLAYOUT_BOOKMODE: rVal <<= mbBookMode; break;
  93         default:
  94             OSL_FAIL("svx::SvxViewLayoutItem::QueryValue(), Wrong MemberId!");
  95             return false;
  96     }
  97
  98     return true;
  99 }
 100
 101 bool SvxViewLayoutItem::PutValue( const css::uno::Any& rVal, sal_uInt8 nMemberId )
 102 {
 103     nMemberId &= ~CONVERT_TWIPS;
 104     switch ( nMemberId )
 105     {
 106         case 0 :
 107         {
 108             css::uno::Sequence< css::beans::PropertyValue > aSeq;
 109             if (( rVal >>= aSeq ) && ( aSeq.getLength() == VIEWLAYOUT_PARAMS ))
 110             {
 111                 sal_Int32 nColumns( 0 );
 112                 bool  bBookMode = false;
 113                 bool bAllConverted( true );
 114                 sal_Int16 nConvertedCount( 0 );
 115                 for ( const auto& rProp : std::as_const(aSeq) )
 116                 {
 117                     if ( rProp.Name == VIEWLAYOUT_PARAM_COLUMNS )
 118                     {
 119                         bAllConverted &= ( rProp.Value >>= nColumns );
 120                         ++nConvertedCount;
 121                     }
 122                     else if ( rProp.Name == VIEWLAYOUT_PARAM_BOOKMODE )
 123                     {
 124                         bAllConverted &= ( rProp.Value >>= bBookMode );
 125                         ++nConvertedCount;
 126                     }
 127                 }
 128
 129                 if ( bAllConverted && nConvertedCount == VIEWLAYOUT_PARAMS )
 130                 {
 131                     SetValue( static_cast<sal_uInt16>(nColumns) );
 132                     mbBookMode = bBookMode;
 133                     return true;
 134                 }
 135             }
 136
 137             return false;
 138         }
 139
 140         case MID_VIEWLAYOUT_COLUMNS:
 141         {
 142             sal_Int32 nVal = 0;
 143             if ( rVal >>= nVal )
 144             {
 145                 SetValue( static_cast<sal_uInt16>(nVal) );
 146                 return true;
 147             }
 148             else
 149                 return false;
 150         }
 151
 152         case MID_VIEWLAYOUT_BOOKMODE:
 153         {
 154             bool bBookMode = false;
 155             if ( rVal >>= bBookMode )
 156             {
 157                 mbBookMode = bBookMode;
 158                 return true;
 159             }
 160             else
 161                 return false;
 162         }
 163
 164         default:
 165             OSL_FAIL("svx::SvxViewLayoutItem::PutValue(), Wrong MemberId!");
 166             return false;
 167     }
 168 }
 169
 170 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */