xmloff/source/style/backhdl.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 "backhdl.hxx"
  21 #include <xmloff/xmltoken.hxx>
  22 #include <xmloff/xmluconv.hxx>
  23 #include <xmloff/xmlement.hxx>
  24 #include <sax/tools/converter.hxx>
  25 #include <com/sun/star/uno/Any.hxx>
  26 #include <rtl/ustrbuf.hxx>
  27 #include <sal/log.hxx>
  28
  29 using namespace ::com::sun::star;
  30 using namespace ::xmloff::token;
  31
  32 SvXMLEnumMapEntry<style::GraphicLocation> const pXML_BrushHorizontalPos[] =
  33 {
  34     { XML_LEFT,             style::GraphicLocation_LEFT_MIDDLE   },
  35     { XML_RIGHT,            style::GraphicLocation_RIGHT_MIDDLE },
  36     { XML_TOKEN_INVALID,    style::GraphicLocation(0)       }
  37 };
  38
  39 SvXMLEnumMapEntry<style::GraphicLocation> const pXML_BrushVerticalPos[] =
  40 {
  41     { XML_TOP,              style::GraphicLocation_MIDDLE_TOP   },
  42     { XML_BOTTOM,           style::GraphicLocation_MIDDLE_BOTTOM    },
  43     { XML_TOKEN_INVALID,    style::GraphicLocation(0)       }
  44 };
  45
  46
  47
  48
  49 XMLBackGraphicPositionPropHdl::~XMLBackGraphicPositionPropHdl()
  50 {
  51     // Nothing to do
  52 }
  53
  54 bool XMLBackGraphicPositionPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const
  55 {
  56     bool bRet = true;
  57     style::GraphicLocation ePos = style::GraphicLocation_NONE, eTmp;
  58     style::GraphicLocation nTmpGraphicLocation;
  59     SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
  60     OUString aToken;
  61     bool bHori = false, bVert = false;
  62
  63     while( bRet && aTokenEnum.getNextToken( aToken ) )
  64     {
  65         if( bHori && bVert )
  66         {
  67             bRet = false;
  68         }
  69         else if( -1 != aToken.indexOf( '%' ) )
  70         {
  71             sal_Int32 nPrc = 50;
  72             if (::sax::Converter::convertPercent( nPrc, aToken ))
  73             {
  74                 if( !bHori )
  75                 {
  76                     ePos = nPrc < 25 ? style::GraphicLocation_LEFT_TOP :
  77                                        (nPrc < 75 ? style::GraphicLocation_MIDDLE_MIDDLE :
  78                                                     style::GraphicLocation_RIGHT_BOTTOM);
  79                     bHori = true;
  80                 }
  81                 else
  82                 {
  83                     eTmp = nPrc < 25 ? style::GraphicLocation_LEFT_TOP:
  84                                        (nPrc < 75 ? style::GraphicLocation_LEFT_MIDDLE :
  85                                                     style::GraphicLocation_LEFT_BOTTOM);
  86                     MergeXMLVertPos( ePos, eTmp );
  87                     bVert = true;
  88                 }
  89             }
  90             else
  91             {
  92                 // wrong percentage
  93                 bRet = false;
  94             }
  95         }
  96         else if( IsXMLToken( aToken, XML_CENTER ) )
  97         {
  98             if( bHori )
  99                 MergeXMLVertPos( ePos, style::GraphicLocation_MIDDLE_MIDDLE );
 100             else if ( bVert )
 101                 MergeXMLHoriPos( ePos, style::GraphicLocation_MIDDLE_MIDDLE );
 102             else
 103                 ePos = style::GraphicLocation_MIDDLE_MIDDLE;
 104         }
 105         else if( SvXMLUnitConverter::convertEnum( nTmpGraphicLocation, aToken, pXML_BrushHorizontalPos ) )
 106         {
 107             if( bVert )
 108                 MergeXMLHoriPos( ePos, nTmpGraphicLocation );
 109             else if( !bHori )
 110                 ePos = nTmpGraphicLocation;
 111             else
 112                 bRet = false;
 113
 114             bHori = true;
 115         }
 116         else if( SvXMLUnitConverter::convertEnum( nTmpGraphicLocation, aToken, pXML_BrushVerticalPos ) )
 117         {
 118             if( bHori )
 119                 MergeXMLVertPos( ePos, nTmpGraphicLocation );
 120             else if( !bVert )
 121                 ePos = nTmpGraphicLocation;
 122             else
 123                 bRet = false;
 124             bVert = true;
 125         }
 126         else
 127         {
 128             bRet = false;
 129         }
 130     }
 131
 132     bRet &= style::GraphicLocation_NONE != ePos;
 133     if( bRet )
 134         rValue <<= static_cast<style::GraphicLocation>(static_cast<sal_uInt16>(ePos));
 135
 136     return bRet;
 137 }
 138
 139 bool XMLBackGraphicPositionPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const
 140 {
 141     bool bRet = true;
 142     OUStringBuffer aOut;
 143
 144     style::GraphicLocation eLocation;
 145     if( !( rValue >>= eLocation ) )
 146     {
 147         sal_Int32 nValue = 0;
 148         if( rValue >>= nValue )
 149             eLocation = static_cast<style::GraphicLocation>(nValue);
 150         else
 151             bRet = false;
 152     }
 153
 154     if( bRet )
 155     {
 156         bRet = false;
 157
 158         switch( eLocation )
 159         {
 160         case style::GraphicLocation_LEFT_TOP:
 161         case style::GraphicLocation_MIDDLE_TOP:
 162         case style::GraphicLocation_RIGHT_TOP:
 163             aOut.append( GetXMLToken(XML_TOP) );
 164             bRet = true;
 165             break;
 166         case style::GraphicLocation_LEFT_MIDDLE:
 167         case style::GraphicLocation_MIDDLE_MIDDLE:
 168         case style::GraphicLocation_RIGHT_MIDDLE:
 169             aOut.append( GetXMLToken(XML_CENTER) );
 170             bRet = true;
 171             break;
 172         case style::GraphicLocation_LEFT_BOTTOM:
 173         case style::GraphicLocation_MIDDLE_BOTTOM:
 174         case style::GraphicLocation_RIGHT_BOTTOM:
 175             aOut.append( GetXMLToken(XML_BOTTOM) );
 176             bRet = true;
 177             break;
 178         default:
 179             break;
 180         }
 181
 182         if( bRet )
 183         {
 184             aOut.append( ' ' );
 185
 186             switch( eLocation )
 187             {
 188             case style::GraphicLocation_LEFT_TOP:
 189             case style::GraphicLocation_LEFT_BOTTOM:
 190             case style::GraphicLocation_LEFT_MIDDLE:
 191                 aOut.append( GetXMLToken(XML_LEFT) );
 192                 break;
 193             case style::GraphicLocation_MIDDLE_TOP:
 194             case style::GraphicLocation_MIDDLE_MIDDLE:
 195             case style::GraphicLocation_MIDDLE_BOTTOM:
 196                 aOut.append( GetXMLToken(XML_CENTER) );
 197                 break;
 198             case style::GraphicLocation_RIGHT_MIDDLE:
 199             case style::GraphicLocation_RIGHT_TOP:
 200             case style::GraphicLocation_RIGHT_BOTTOM:
 201                 aOut.append( GetXMLToken(XML_RIGHT) );
 202                 break;
 203             default:
 204                 break;
 205             }
 206         }
 207     }
 208
 209     rStrExpValue = aOut.makeStringAndClear();
 210
 211     return bRet;
 212 }
 213
 214 void XMLBackGraphicPositionPropHdl::MergeXMLVertPos( style::GraphicLocation& ePos, style::GraphicLocation eVert )
 215 {
 216     switch( ePos )
 217     {
 218     case style::GraphicLocation_LEFT_TOP:
 219     case style::GraphicLocation_LEFT_MIDDLE:
 220     case style::GraphicLocation_LEFT_BOTTOM:
 221         ePos = style::GraphicLocation_MIDDLE_TOP==eVert ?
 222                style::GraphicLocation_LEFT_TOP :
 223               (style::GraphicLocation_MIDDLE_MIDDLE==eVert ?
 224                style::GraphicLocation_LEFT_MIDDLE :
 225                style::GraphicLocation_LEFT_BOTTOM);
 226         break;
 227
 228     case style::GraphicLocation_MIDDLE_TOP:
 229     case style::GraphicLocation_MIDDLE_MIDDLE:
 230     case style::GraphicLocation_MIDDLE_BOTTOM:
 231         ePos = eVert;
 232         break;
 233
 234     case style::GraphicLocation_RIGHT_TOP:
 235     case style::GraphicLocation_RIGHT_MIDDLE:
 236     case style::GraphicLocation_RIGHT_BOTTOM:
 237         ePos = style::GraphicLocation_MIDDLE_TOP==eVert ?
 238                style::GraphicLocation_RIGHT_TOP :
 239               (style::GraphicLocation_MIDDLE_MIDDLE==eVert ?
 240                style::GraphicLocation_RIGHT_MIDDLE :
 241                style::GraphicLocation_RIGHT_BOTTOM);
 242         break;
 243     default:
 244         break;
 245     }
 246 }
 247
 248 void XMLBackGraphicPositionPropHdl::MergeXMLHoriPos( style::GraphicLocation& ePos, style::GraphicLocation eHori )
 249 {
 250     SAL_WARN_IF( !(style::GraphicLocation_LEFT_MIDDLE==eHori || style::GraphicLocation_MIDDLE_MIDDLE==eHori || style::GraphicLocation_RIGHT_MIDDLE==eHori), "xmloff",
 251                 "lcl_frmitems_MergeXMLHoriPos: vertical pos must be middle" );
 252
 253     switch( ePos )
 254     {
 255     case style::GraphicLocation_LEFT_TOP:
 256     case style::GraphicLocation_MIDDLE_TOP:
 257     case style::GraphicLocation_RIGHT_TOP:
 258         ePos = style::GraphicLocation_LEFT_MIDDLE==eHori ?
 259                style::GraphicLocation_LEFT_TOP :
 260               (style::GraphicLocation_MIDDLE_MIDDLE==eHori ?
 261                style::GraphicLocation_MIDDLE_TOP :
 262                style::GraphicLocation_RIGHT_TOP);
 263         break;
 264
 265     case style::GraphicLocation_LEFT_MIDDLE:
 266     case style::GraphicLocation_MIDDLE_MIDDLE:
 267     case style::GraphicLocation_RIGHT_MIDDLE:
 268         ePos = eHori;
 269         break;
 270
 271     case style::GraphicLocation_LEFT_BOTTOM:
 272     case style::GraphicLocation_MIDDLE_BOTTOM:
 273     case style::GraphicLocation_RIGHT_BOTTOM:
 274         ePos = style::GraphicLocation_LEFT_MIDDLE==eHori ?
 275                style::GraphicLocation_LEFT_BOTTOM :
 276               (style::GraphicLocation_MIDDLE_MIDDLE==eHori ?
 277                style::GraphicLocation_MIDDLE_BOTTOM :
 278                style::GraphicLocation_RIGHT_BOTTOM);
 279         break;
 280     default:
 281         break;
 282     }
 283 }
 284
 285 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */