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 <tools/stream.hxx>
  21
  22 #include <svx/zoomslideritem.hxx>
  23 #include <com/sun/star/beans/PropertyValue.hpp>
  24
  25 // -----------------------------------------------------------------------
  26
  27 TYPEINIT1_FACTORY(SvxZoomSliderItem,SfxUInt16Item, new SvxZoomSliderItem);
  28
  29 #define ZOOMSLIDER_PARAM_CURRENTZOOM    "Columns"
  30 #define ZOOMSLIDER_PARAM_SNAPPINGPOINTS "SnappingPoints"
  31 #define ZOOMSLIDER_PARAM_MINZOOM        "MinValue"
  32 #define ZOOMSLIDER_PARAM_MAXZOOM        "MaxValue"
  33 #define ZOOMSLIDER_PARAMS           4
  34
  35 // -----------------------------------------------------------------------
  36
  37 SvxZoomSliderItem::SvxZoomSliderItem( sal_uInt16 nCurrentZoom, sal_uInt16 nMinZoom, sal_uInt16 nMaxZoom, sal_uInt16 _nWhich )
  38 :   SfxUInt16Item( _nWhich, nCurrentZoom ), mnMinZoom( nMinZoom ), mnMaxZoom( nMaxZoom )
  39 {
  40 }
  41
  42 // -----------------------------------------------------------------------
  43
  44 SvxZoomSliderItem::SvxZoomSliderItem( const SvxZoomSliderItem& rOrig )
  45 : SfxUInt16Item( rOrig.Which(), rOrig.GetValue() )
  46 , maValues( rOrig.maValues )
  47 , mnMinZoom( rOrig.mnMinZoom )
  48 , mnMaxZoom( rOrig.mnMaxZoom )
  49 {
  50 }
  51
  52 // -----------------------------------------------------------------------
  53
  54 SvxZoomSliderItem::~SvxZoomSliderItem()
  55 {
  56 }
  57
  58 // -----------------------------------------------------------------------
  59
  60 SfxPoolItem* SvxZoomSliderItem::Clone( SfxItemPool * /*pPool*/ ) const
  61 {
  62     return new SvxZoomSliderItem( *this );
  63 }
  64
  65 // -----------------------------------------------------------------------
  66
  67 SfxPoolItem* SvxZoomSliderItem::Create( SvStream& /*rStrm*/, sal_uInt16 /*nVersion*/ ) const
  68 {
  69     return 0;
  70 }
  71
  72 // -----------------------------------------------------------------------
  73
  74 SvStream& SvxZoomSliderItem::Store( SvStream& rStrm, sal_uInt16 /*nItemVersion*/ ) const
  75 {
  76     return rStrm;
  77 }
  78
  79 // -----------------------------------------------------------------------
  80
  81 int SvxZoomSliderItem::operator==( const SfxPoolItem& rAttr ) const
  82 {
  83     DBG_ASSERT( SfxPoolItem::operator==(rAttr), "unequal types" );
  84
  85     SvxZoomSliderItem& rItem = (SvxZoomSliderItem&)rAttr;
  86
  87     return ( GetValue() == rItem.GetValue() && maValues == rItem.maValues &&
  88              mnMinZoom == rItem.mnMinZoom && mnMaxZoom == rItem.mnMaxZoom );
  89 }
  90
  91 bool SvxZoomSliderItem::QueryValue( com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId ) const
  92 {
  93     nMemberId &= ~CONVERT_TWIPS;
  94     switch ( nMemberId )
  95     {
  96         case 0 :
  97             {
  98                 ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > aSeq( ZOOMSLIDER_PARAMS );
  99                 aSeq[0].Name = OUString( ZOOMSLIDER_PARAM_CURRENTZOOM );
 100                 aSeq[0].Value <<= sal_Int32( GetValue() );
 101                 aSeq[1].Name = OUString( ZOOMSLIDER_PARAM_SNAPPINGPOINTS );
 102                 aSeq[1].Value <<= maValues;
 103                 aSeq[2].Name = OUString( ZOOMSLIDER_PARAM_MINZOOM );
 104                 aSeq[2].Value <<= mnMinZoom;
 105                 aSeq[3].Name = OUString( ZOOMSLIDER_PARAM_MAXZOOM );
 106                 aSeq[3].Value <<= mnMaxZoom;
 107                 rVal <<= aSeq;
 108             }
 109             break;
 110
 111         case MID_ZOOMSLIDER_CURRENTZOOM :
 112             {
 113                 rVal <<= (sal_Int32) GetValue();
 114             }
 115             break;
 116         case MID_ZOOMSLIDER_SNAPPINGPOINTS:
 117             {
 118                  rVal <<= maValues;
 119             }
 120             break;
 121         case MID_ZOOMSLIDER_MINZOOM:
 122             {
 123                 rVal <<= mnMinZoom;
 124             }
 125             break;
 126         case MID_ZOOMSLIDER_MAXZOOM:
 127             {
 128                 rVal <<= mnMaxZoom;
 129             }
 130             break;
 131         default:
 132             OSL_FAIL("svx::SvxZoomSliderItem::QueryValue(), Wrong MemberId!");
 133             return false;
 134     }
 135
 136     return true;
 137 }
 138
 139 bool SvxZoomSliderItem::PutValue( const com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId )
 140 {
 141     nMemberId &= ~CONVERT_TWIPS;
 142     switch ( nMemberId )
 143     {
 144         case 0 :
 145             {
 146                 ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > aSeq;
 147                 if (( rVal >>= aSeq ) && ( aSeq.getLength() == ZOOMSLIDER_PARAMS ))
 148                 {
 149                     sal_Int32 nCurrentZoom( 0 );
 150                     com::sun::star::uno::Sequence < sal_Int32 > aValues;
 151
 152                     sal_Bool  bAllConverted( sal_True );
 153                     sal_Int16 nConvertedCount( 0 );
 154                     sal_Int32 nMinZoom( 0 ), nMaxZoom( 0 );
 155
 156                     for ( sal_Int32 i = 0; i < aSeq.getLength(); i++ )
 157                     {
 158                         if ( aSeq[i].Name.equalsAscii( ZOOMSLIDER_PARAM_CURRENTZOOM ))
 159                         {
 160                             bAllConverted &= ( aSeq[i].Value >>= nCurrentZoom );
 161                             ++nConvertedCount;
 162                         }
 163                         else if ( aSeq[i].Name.equalsAscii( ZOOMSLIDER_PARAM_SNAPPINGPOINTS ))
 164                         {
 165                             bAllConverted &= ( aSeq[i].Value >>= aValues );
 166                             ++nConvertedCount;
 167                         }
 168                         else if( aSeq[i].Name.equalsAscii( ZOOMSLIDER_PARAM_MINZOOM ) )
 169                         {
 170                             bAllConverted &= ( aSeq[i].Value >>= nMinZoom );
 171                             ++nConvertedCount;
 172                         }
 173                         else if( aSeq[i].Name.equalsAscii( ZOOMSLIDER_PARAM_MAXZOOM ) )
 174                         {
 175                             bAllConverted &= ( aSeq[i].Value >>= nMaxZoom );
 176                             ++nConvertedCount;
 177                         }
 178                     }
 179
 180                     if ( bAllConverted && nConvertedCount == ZOOMSLIDER_PARAMS )
 181                     {
 182                         SetValue( (sal_uInt16)nCurrentZoom );
 183                         maValues = aValues;
 184                         mnMinZoom = sal::static_int_cast< sal_uInt16 >( nMinZoom );
 185                         mnMaxZoom = sal::static_int_cast< sal_uInt16 >( nMaxZoom );
 186
 187                         return true;
 188                     }
 189                 }
 190
 191                 return false;
 192             }
 193
 194         case MID_ZOOMSLIDER_CURRENTZOOM:
 195             {
 196                 sal_Int32 nVal = 0;
 197                 if ( rVal >>= nVal )
 198                 {
 199                     SetValue( (sal_uInt16)nVal );
 200                     return true;
 201                 }
 202                 else
 203                     return false;
 204             }
 205
 206         case MID_ZOOMSLIDER_SNAPPINGPOINTS:
 207             {
 208                 com::sun::star::uno::Sequence < sal_Int32 > aValues;
 209                 if ( rVal >>= aValues )
 210                 {
 211                     maValues = aValues;
 212                     return true;
 213                 }
 214                 else
 215                     return false;
 216             }
 217         case MID_ZOOMSLIDER_MINZOOM:
 218             {
 219                 sal_Int32 nVal = 0;
 220                 if( rVal >>= nVal )
 221                 {
 222                     mnMinZoom = (sal_uInt16)nVal;
 223                     return true;
 224                 }
 225                 else
 226                     return false;
 227             }
 228         case MID_ZOOMSLIDER_MAXZOOM:
 229             {
 230                 sal_Int32 nVal = 0;
 231                 if( rVal >>= nVal )
 232                 {
 233                     mnMaxZoom = (sal_uInt16)nVal;
 234                     return true;
 235                 }
 236                 else
 237                     return false;
 238             }
 239         default:
 240             OSL_FAIL("svx::SvxZoomSliderItem::PutValue(), Wrong MemberId!");
 241             return false;
 242     }
 243 }
 244
 245 void SvxZoomSliderItem::AddSnappingPoint( sal_Int32 nNew )
 246 {
 247     const sal_Int32 nValues = maValues.getLength();
 248     maValues.realloc(  nValues + 1 );
 249     sal_Int32* pValues = maValues.getArray();
 250     pValues[ nValues ] = nNew;
 251 }
 252
 253 const com::sun::star::uno::Sequence < sal_Int32 >& SvxZoomSliderItem::GetSnappingPoints() const
 254 {
 255     return maValues;
 256 }
 257
 258 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */