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 <tools/debug.hxx>
  21 #include <backhdl.hxx>
  22 #include <xmloff/xmltoken.hxx>
  23 #include <xmloff/xmluconv.hxx>
  24 #include <sax/tools/converter.hxx>
  25 #include <com/sun/star/uno/Any.hxx>
  26 #include <rtl/ustrbuf.hxx>
  27
  28
  29 using namespace ::com::sun::star;
  30 using namespace ::xmloff::token;
  31
  32 SvXMLEnumMapEntry pXML_BrushHorizontalPos[] =
  33 {
  34     { XML_LEFT,             style::GraphicLocation_LEFT_MIDDLE   },
  35     { XML_RIGHT,            style::GraphicLocation_RIGHT_MIDDLE },
  36     { XML_TOKEN_INVALID,    0       }
  37 };
  38
  39 SvXMLEnumMapEntry pXML_BrushVerticalPos[] =
  40 {
  41     { XML_TOP,              style::GraphicLocation_MIDDLE_TOP   },
  42     { XML_BOTTOM,           style::GraphicLocation_MIDDLE_BOTTOM    },
  43     { XML_TOKEN_INVALID,    0       }
  44 };
  45
  46 ///////////////////////////////////////////////////////////////////////////////
  47 //
  48 // class XMLBackGraphicPositionPropHdl
  49 //
  50
  51 XMLBackGraphicPositionPropHdl::~XMLBackGraphicPositionPropHdl()
  52 {
  53     // Nothing to do
  54 }
  55
  56 sal_Bool XMLBackGraphicPositionPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const
  57 {
  58     sal_Bool bRet = sal_True;
  59     style::GraphicLocation ePos = style::GraphicLocation_NONE, eTmp;
  60     sal_uInt16 nTmp;
  61     SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
  62     OUString aToken;
  63     sal_Bool bHori = sal_False, bVert = sal_False;
  64
  65     while( bRet && aTokenEnum.getNextToken( aToken ) )
  66     {
  67         if( bHori && bVert )
  68         {
  69             bRet = sal_False;
  70         }
  71         else if( -1 != aToken.indexOf( sal_Unicode('%') ) )
  72         {
  73             sal_Int32 nPrc = 50;
  74             if (::sax::Converter::convertPercent( nPrc, aToken ))
  75             {
  76                 if( !bHori )
  77                 {
  78                     ePos = nPrc < 25 ? style::GraphicLocation_LEFT_TOP :
  79                                        (nPrc < 75 ? style::GraphicLocation_MIDDLE_MIDDLE :
  80                                                     style::GraphicLocation_RIGHT_BOTTOM);
  81                     bHori = sal_True;
  82                 }
  83                 else
  84                 {
  85                     eTmp = nPrc < 25 ? style::GraphicLocation_LEFT_TOP:
  86                                        (nPrc < 75 ? style::GraphicLocation_LEFT_MIDDLE :
  87                                                     style::GraphicLocation_LEFT_BOTTOM);
  88                     MergeXMLVertPos( ePos, eTmp );
  89                     bVert = sal_True;
  90                 }
  91             }
  92             else
  93             {
  94                 // wrong percentage
  95                 bRet = sal_False;
  96             }
  97         }
  98         else if( IsXMLToken( aToken, XML_CENTER ) )
  99         {
 100             if( bHori )
 101                 MergeXMLVertPos( ePos, style::GraphicLocation_MIDDLE_MIDDLE );
 102             else if ( bVert )
 103                 MergeXMLHoriPos( ePos, style::GraphicLocation_MIDDLE_MIDDLE );
 104             else
 105                 ePos = style::GraphicLocation_MIDDLE_MIDDLE;
 106         }
 107         else if( SvXMLUnitConverter::convertEnum( nTmp, aToken, pXML_BrushHorizontalPos ) )
 108         {
 109             if( bVert )
 110                 MergeXMLHoriPos( ePos, (style::GraphicLocation)nTmp );
 111             else if( !bHori )
 112                 ePos = (style::GraphicLocation)nTmp;
 113             else
 114                 bRet = sal_False;
 115
 116             bHori = sal_True;
 117         }
 118         else if( SvXMLUnitConverter::convertEnum( nTmp, aToken, pXML_BrushVerticalPos ) )
 119         {
 120             if( bHori )
 121                 MergeXMLVertPos( ePos, (style::GraphicLocation)nTmp );
 122             else if( !bVert )
 123                 ePos = (style::GraphicLocation)nTmp;
 124             else
 125                 bRet = sal_False;
 126             bVert = sal_True;
 127         }
 128         else
 129         {
 130             bRet = sal_False;
 131         }
 132     }
 133
 134     bRet &= style::GraphicLocation_NONE != ePos;
 135     if( bRet )
 136         rValue <<= (style::GraphicLocation)(sal_uInt16)ePos;
 137
 138     return bRet;
 139 }
 140
 141 sal_Bool XMLBackGraphicPositionPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const
 142 {
 143     sal_Bool bRet = sal_True;
 144     OUStringBuffer aOut;
 145
 146     style::GraphicLocation eLocation;
 147     if( !( rValue >>= eLocation ) )
 148     {
 149         sal_Int32 nValue = 0;
 150         if( rValue >>= nValue )
 151             eLocation = (style::GraphicLocation)nValue;
 152         else
 153             bRet = sal_False;
 154     }
 155
 156     if( bRet )
 157     {
 158         bRet = sal_False;
 159
 160         switch( eLocation )
 161         {
 162         case style::GraphicLocation_LEFT_TOP:
 163         case style::GraphicLocation_MIDDLE_TOP:
 164         case style::GraphicLocation_RIGHT_TOP:
 165             aOut.append( GetXMLToken(XML_TOP) );
 166             bRet = sal_True;
 167             break;
 168         case style::GraphicLocation_LEFT_MIDDLE:
 169         case style::GraphicLocation_MIDDLE_MIDDLE:
 170         case style::GraphicLocation_RIGHT_MIDDLE:
 171             aOut.append( GetXMLToken(XML_CENTER) );
 172             bRet = sal_True;
 173             break;
 174         case style::GraphicLocation_LEFT_BOTTOM:
 175         case style::GraphicLocation_MIDDLE_BOTTOM:
 176         case style::GraphicLocation_RIGHT_BOTTOM:
 177             aOut.append( GetXMLToken(XML_BOTTOM) );
 178             bRet = sal_True;
 179             break;
 180         default:
 181             break;
 182         }
 183
 184         if( bRet )
 185         {
 186             aOut.append( sal_Unicode( ' ' ) );
 187
 188             switch( eLocation )
 189             {
 190             case style::GraphicLocation_LEFT_TOP:
 191             case style::GraphicLocation_LEFT_BOTTOM:
 192             case style::GraphicLocation_LEFT_MIDDLE:
 193                 aOut.append( GetXMLToken(XML_LEFT) );
 194                 break;
 195             case style::GraphicLocation_MIDDLE_TOP:
 196             case style::GraphicLocation_MIDDLE_MIDDLE:
 197             case style::GraphicLocation_MIDDLE_BOTTOM:
 198                 aOut.append( GetXMLToken(XML_CENTER) );
 199                 break;
 200             case style::GraphicLocation_RIGHT_MIDDLE:
 201             case style::GraphicLocation_RIGHT_TOP:
 202             case style::GraphicLocation_RIGHT_BOTTOM:
 203                 aOut.append( GetXMLToken(XML_RIGHT) );
 204                 break;
 205             default:
 206                 break;
 207             }
 208         }
 209     }
 210
 211     rStrExpValue = aOut.makeStringAndClear();
 212
 213     return bRet;
 214 }
 215
 216 void XMLBackGraphicPositionPropHdl::MergeXMLVertPos( style::GraphicLocation& ePos, style::GraphicLocation eVert ) const
 217 {
 218     switch( ePos )
 219     {
 220     case style::GraphicLocation_LEFT_TOP:
 221     case style::GraphicLocation_LEFT_MIDDLE:
 222     case style::GraphicLocation_LEFT_BOTTOM:
 223         ePos = style::GraphicLocation_MIDDLE_TOP==eVert ?
 224                style::GraphicLocation_LEFT_TOP :
 225               (style::GraphicLocation_MIDDLE_MIDDLE==eVert ?
 226                style::GraphicLocation_LEFT_MIDDLE :
 227                style::GraphicLocation_LEFT_BOTTOM);
 228         break;
 229
 230     case style::GraphicLocation_MIDDLE_TOP:
 231     case style::GraphicLocation_MIDDLE_MIDDLE:
 232     case style::GraphicLocation_MIDDLE_BOTTOM:
 233         ePos = eVert;
 234         break;
 235
 236     case style::GraphicLocation_RIGHT_TOP:
 237     case style::GraphicLocation_RIGHT_MIDDLE:
 238     case style::GraphicLocation_RIGHT_BOTTOM:
 239         ePos = style::GraphicLocation_MIDDLE_TOP==eVert ?
 240                style::GraphicLocation_RIGHT_TOP :
 241               (style::GraphicLocation_MIDDLE_MIDDLE==eVert ?
 242                style::GraphicLocation_RIGHT_MIDDLE :
 243                style::GraphicLocation_RIGHT_BOTTOM);
 244         break;
 245     default:
 246         break;
 247     }
 248 }
 249
 250 void XMLBackGraphicPositionPropHdl::MergeXMLHoriPos( style::GraphicLocation& ePos, style::GraphicLocation eHori ) const
 251 {
 252     DBG_ASSERT( style::GraphicLocation_LEFT_MIDDLE==eHori || style::GraphicLocation_MIDDLE_MIDDLE==eHori || style::GraphicLocation_RIGHT_MIDDLE==eHori,
 253                 "lcl_frmitems_MergeXMLHoriPos: vertical pos must be middle" );
 254
 255     switch( ePos )
 256     {
 257     case style::GraphicLocation_LEFT_TOP:
 258     case style::GraphicLocation_MIDDLE_TOP:
 259     case style::GraphicLocation_RIGHT_TOP:
 260         ePos = style::GraphicLocation_LEFT_MIDDLE==eHori ?
 261                style::GraphicLocation_LEFT_TOP :
 262               (style::GraphicLocation_MIDDLE_MIDDLE==eHori ?
 263                style::GraphicLocation_MIDDLE_TOP :
 264                style::GraphicLocation_RIGHT_TOP);
 265         break;
 266
 267     case style::GraphicLocation_LEFT_MIDDLE:
 268     case style::GraphicLocation_MIDDLE_MIDDLE:
 269     case style::GraphicLocation_RIGHT_MIDDLE:
 270         ePos = eHori;
 271         break;
 272
 273     case style::GraphicLocation_LEFT_BOTTOM:
 274     case style::GraphicLocation_MIDDLE_BOTTOM:
 275     case style::GraphicLocation_RIGHT_BOTTOM:
 276         ePos = style::GraphicLocation_LEFT_MIDDLE==eHori ?
 277                style::GraphicLocation_LEFT_BOTTOM :
 278               (style::GraphicLocation_MIDDLE_MIDDLE==eHori ?
 279                style::GraphicLocation_MIDDLE_BOTTOM :
 280                style::GraphicLocation_RIGHT_BOTTOM);
 281         break;
 282     default:
 283         break;
 284     }
 285 }
 286
 287 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */