svx/source/items/zoomslideritem.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 <sal/config.h>
  21
  22 #include <comphelper/propertyvalue.hxx>
  23 #include <osl/diagnose.h>
  24
  25 #include <svx/zoomslideritem.hxx>
  26 #include <com/sun/star/beans/PropertyValue.hpp>
  27
  28
  29 SfxPoolItem* SvxZoomSliderItem::CreateDefault() { return new SvxZoomSliderItem; }
  30
  31 constexpr OUString ZOOMSLIDER_PARAM_CURRENTZOOM = u"Columns"_ustr;
  32 constexpr OUString ZOOMSLIDER_PARAM_SNAPPINGPOINTS = u"SnappingPoints"_ustr;
  33 constexpr OUString ZOOMSLIDER_PARAM_MINZOOM = u"MinValue"_ustr;
  34 constexpr OUString ZOOMSLIDER_PARAM_MAXZOOM = u"MaxValue"_ustr;
  35 #define ZOOMSLIDER_PARAMS           4
  36
  37
  38 SvxZoomSliderItem::SvxZoomSliderItem( sal_uInt16 nCurrentZoom, sal_uInt16 nMinZoom, sal_uInt16 nMaxZoom, TypedWhichId<SvxZoomSliderItem> _nWhich )
  39 :   SfxUInt16Item( _nWhich, nCurrentZoom, SfxItemType::SvxZoomSliderItemType ), mnMinZoom( nMinZoom ), mnMaxZoom( nMaxZoom )
  40 {
  41 }
  42
  43 SvxZoomSliderItem* SvxZoomSliderItem::Clone( SfxItemPool * /*pPool*/ ) const
  44 {
  45     return new SvxZoomSliderItem( *this );
  46 }
  47
  48 bool SvxZoomSliderItem::operator==( const SfxPoolItem& rAttr ) const
  49 {
  50     assert(SfxPoolItem::operator==(rAttr));
  51
  52     const SvxZoomSliderItem& rItem = static_cast<const SvxZoomSliderItem&>(rAttr);
  53
  54     return ( GetValue() == rItem.GetValue() && maValues == rItem.maValues &&
  55              mnMinZoom == rItem.mnMinZoom && mnMaxZoom == rItem.mnMaxZoom );
  56 }
  57
  58 bool SvxZoomSliderItem::QueryValue( css::uno::Any& rVal, sal_uInt8 nMemberId ) const
  59 {
  60     nMemberId &= ~CONVERT_TWIPS;
  61     switch ( nMemberId )
  62     {
  63         case 0 :
  64             {
  65                 css::uno::Sequence< css::beans::PropertyValue > aSeq{
  66                     comphelper::makePropertyValue(ZOOMSLIDER_PARAM_CURRENTZOOM, sal_Int32( GetValue() )),
  67                     comphelper::makePropertyValue(ZOOMSLIDER_PARAM_SNAPPINGPOINTS, maValues),
  68                     comphelper::makePropertyValue(ZOOMSLIDER_PARAM_MINZOOM, mnMinZoom),
  69                     comphelper::makePropertyValue(ZOOMSLIDER_PARAM_MAXZOOM, mnMaxZoom)
  70                 };
  71                 assert(aSeq.getLength() == ZOOMSLIDER_PARAMS);
  72                 rVal <<= aSeq;
  73             }
  74             break;
  75
  76         case MID_ZOOMSLIDER_CURRENTZOOM :
  77             {
  78                 rVal <<= static_cast<sal_Int32>(GetValue());
  79             }
  80             break;
  81         case MID_ZOOMSLIDER_SNAPPINGPOINTS:
  82             {
  83                  rVal <<= maValues;
  84             }
  85             break;
  86         case MID_ZOOMSLIDER_MINZOOM:
  87             {
  88                 rVal <<= mnMinZoom;
  89             }
  90             break;
  91         case MID_ZOOMSLIDER_MAXZOOM:
  92             {
  93                 rVal <<= mnMaxZoom;
  94             }
  95             break;
  96         default:
  97             OSL_FAIL("svx::SvxZoomSliderItem::QueryValue(), Wrong MemberId!");
  98             return false;
  99     }
 100
 101     return true;
 102 }
 103
 104 bool SvxZoomSliderItem::PutValue( const css::uno::Any& rVal, sal_uInt8 nMemberId )
 105 {
 106     nMemberId &= ~CONVERT_TWIPS;
 107     switch ( nMemberId )
 108     {
 109         case 0 :
 110             {
 111                 css::uno::Sequence< css::beans::PropertyValue > aSeq;
 112                 if (( rVal >>= aSeq ) && ( aSeq.getLength() == ZOOMSLIDER_PARAMS ))
 113                 {
 114                     sal_Int32 nCurrentZoom( 0 );
 115                     css::uno::Sequence < sal_Int32 > aValues;
 116
 117                     bool bAllConverted( true );
 118                     sal_Int16 nConvertedCount( 0 );
 119                     sal_Int32 nMinZoom( 0 ), nMaxZoom( 0 );
 120
 121                     for (const auto& rProp : aSeq)
 122                     {
 123                         if ( rProp.Name == ZOOMSLIDER_PARAM_CURRENTZOOM )
 124                         {
 125                             bAllConverted &= ( rProp.Value >>= nCurrentZoom );
 126                             ++nConvertedCount;
 127                         }
 128                         else if ( rProp.Name == ZOOMSLIDER_PARAM_SNAPPINGPOINTS )
 129                         {
 130                             bAllConverted &= ( rProp.Value >>= aValues );
 131                             ++nConvertedCount;
 132                         }
 133                         else if( rProp.Name == ZOOMSLIDER_PARAM_MINZOOM )
 134                         {
 135                             bAllConverted &= ( rProp.Value >>= nMinZoom );
 136                             ++nConvertedCount;
 137                         }
 138                         else if( rProp.Name == ZOOMSLIDER_PARAM_MAXZOOM )
 139                         {
 140                             bAllConverted &= ( rProp.Value >>= nMaxZoom );
 141                             ++nConvertedCount;
 142                         }
 143                     }
 144
 145                     if ( bAllConverted && nConvertedCount == ZOOMSLIDER_PARAMS )
 146                     {
 147                         SetValue( static_cast<sal_uInt16>(nCurrentZoom) );
 148                         maValues = std::move(aValues);
 149                         mnMinZoom = sal::static_int_cast< sal_uInt16 >( nMinZoom );
 150                         mnMaxZoom = sal::static_int_cast< sal_uInt16 >( nMaxZoom );
 151
 152                         return true;
 153                     }
 154                 }
 155
 156                 return false;
 157             }
 158
 159         case MID_ZOOMSLIDER_CURRENTZOOM:
 160             {
 161                 sal_Int32 nVal = 0;
 162                 if ( rVal >>= nVal )
 163                 {
 164                     SetValue( static_cast<sal_uInt16>(nVal) );
 165                     return true;
 166                 }
 167                 else
 168                     return false;
 169             }
 170
 171         case MID_ZOOMSLIDER_SNAPPINGPOINTS:
 172             {
 173                 css::uno::Sequence < sal_Int32 > aValues;
 174                 if ( rVal >>= aValues )
 175                 {
 176                     maValues = std::move(aValues);
 177                     return true;
 178                 }
 179                 else
 180                     return false;
 181             }
 182         case MID_ZOOMSLIDER_MINZOOM:
 183             {
 184                 sal_Int32 nVal = 0;
 185                 if( rVal >>= nVal )
 186                 {
 187                     mnMinZoom = static_cast<sal_uInt16>(nVal);
 188                     return true;
 189                 }
 190                 else
 191                     return false;
 192             }
 193         case MID_ZOOMSLIDER_MAXZOOM:
 194             {
 195                 sal_Int32 nVal = 0;
 196                 if( rVal >>= nVal )
 197                 {
 198                     mnMaxZoom = static_cast<sal_uInt16>(nVal);
 199                     return true;
 200                 }
 201                 else
 202                     return false;
 203             }
 204         default:
 205             OSL_FAIL("svx::SvxZoomSliderItem::PutValue(), Wrong MemberId!");
 206             return false;
 207     }
 208 }
 209
 210 void SvxZoomSliderItem::AddSnappingPoint( sal_Int32 nNew )
 211 {
 212     const sal_Int32 nValues = maValues.getLength();
 213     maValues.realloc(  nValues + 1 );
 214     sal_Int32* pValues = maValues.getArray();
 215     pValues[ nValues ] = nNew;
 216 }
 217
 218
 219 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */