xmloff/source/style/backhdl.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: backhdl.cxx,v $
  10  * $Revision: 1.13 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_xmloff.hxx"
  33 #include <tools/debug.hxx>
  34 #include <backhdl.hxx>
  35 #include <xmloff/xmltoken.hxx>
  36 #include <xmloff/xmluconv.hxx>
  37 #include <com/sun/star/uno/Any.hxx>
  38 #include <rtl/ustrbuf.hxx>
  39
  40 #ifndef _XMLOFF_XMLEMENT_HXX
  41 #include <xmloff/xmlelement.hxx>
  42 #endif
  43
  44 using ::rtl::OUString;
  45 using ::rtl::OUStringBuffer;
  46
  47 using namespace ::com::sun::star;
  48 using namespace ::xmloff::token;
  49
  50 SvXMLEnumMapEntry pXML_BrushHorizontalPos[] =
  51 {
  52     { XML_LEFT,                 style::GraphicLocation_LEFT_MIDDLE       },
  53     { XML_RIGHT,                    style::GraphicLocation_RIGHT_MIDDLE },
  54     { XML_TOKEN_INVALID,    0           }
  55 };
  56
  57 SvXMLEnumMapEntry pXML_BrushVerticalPos[] =
  58 {
  59     { XML_TOP,                      style::GraphicLocation_MIDDLE_TOP   },
  60     { XML_BOTTOM,                   style::GraphicLocation_MIDDLE_BOTTOM        },
  61     { XML_TOKEN_INVALID,    0           }
  62 };
  63
  64 ///////////////////////////////////////////////////////////////////////////////
  65 //
  66 // class XMLBackGraphicPositionPropHdl
  67 //
  68
  69 XMLBackGraphicPositionPropHdl::~XMLBackGraphicPositionPropHdl()
  70 {
  71     // Nothing to do
  72 }
  73
  74 sal_Bool XMLBackGraphicPositionPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const
  75 {
  76     sal_Bool bRet = sal_True;
  77     style::GraphicLocation ePos = style::GraphicLocation_NONE, eTmp;
  78     sal_uInt16 nTmp;
  79     SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
  80     OUString aToken;
  81     sal_Bool bHori = sal_False, bVert = sal_False;
  82
  83     while( bRet && aTokenEnum.getNextToken( aToken ) )
  84     {
  85         if( bHori && bVert )
  86         {
  87             bRet = sal_False;
  88         }
  89         else if( -1 != aToken.indexOf( sal_Unicode('%') ) )
  90         {
  91             sal_Int32 nPrc = 50;
  92             if( SvXMLUnitConverter::convertPercent( nPrc, aToken ) )
  93             {
  94                 if( !bHori )
  95                 {
  96                     ePos = nPrc < 25 ? style::GraphicLocation_LEFT_TOP :
  97                                        (nPrc < 75 ? style::GraphicLocation_MIDDLE_MIDDLE :
  98                                                     style::GraphicLocation_RIGHT_BOTTOM);
  99                     bHori = sal_True;
 100                 }
 101                 else
 102                 {
 103                     eTmp = nPrc < 25 ? style::GraphicLocation_LEFT_TOP:
 104                                        (nPrc < 75 ? style::GraphicLocation_LEFT_MIDDLE :
 105                                                     style::GraphicLocation_LEFT_BOTTOM);
 106                     MergeXMLVertPos( ePos, eTmp );
 107                     bVert = sal_True;
 108                 }
 109             }
 110             else
 111             {
 112                 // wrong percentage
 113                 bRet = sal_False;
 114             }
 115         }
 116         else if( IsXMLToken( aToken, XML_CENTER ) )
 117         {
 118             if( bHori )
 119                 MergeXMLVertPos( ePos, style::GraphicLocation_MIDDLE_MIDDLE );
 120             else if ( bVert )
 121                 MergeXMLHoriPos( ePos, style::GraphicLocation_MIDDLE_MIDDLE );
 122             else
 123                 ePos = style::GraphicLocation_MIDDLE_MIDDLE;
 124         }
 125         else if( SvXMLUnitConverter::convertEnum( nTmp, aToken, pXML_BrushHorizontalPos ) )
 126         {
 127             if( bVert )
 128                 MergeXMLHoriPos( ePos, (style::GraphicLocation)nTmp );
 129             else if( !bHori )
 130                 ePos = (style::GraphicLocation)nTmp;
 131             else
 132                 bRet = sal_False;
 133
 134             bHori = sal_True;
 135         }
 136         else if( SvXMLUnitConverter::convertEnum( nTmp, aToken, pXML_BrushVerticalPos ) )
 137         {
 138             if( bHori )
 139                 MergeXMLVertPos( ePos, (style::GraphicLocation)nTmp );
 140             else if( !bVert )
 141                 ePos = (style::GraphicLocation)nTmp;
 142             else
 143                 bRet = sal_False;
 144             bVert = sal_True;
 145         }
 146         else
 147         {
 148             bRet = sal_False;
 149         }
 150     }
 151
 152     bRet &= style::GraphicLocation_NONE != ePos;
 153     if( bRet )
 154         rValue <<= (style::GraphicLocation)(sal_uInt16)ePos;
 155
 156     return bRet;
 157 }
 158
 159 sal_Bool XMLBackGraphicPositionPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const
 160 {
 161     sal_Bool bRet = sal_True;
 162     OUStringBuffer aOut;
 163
 164     style::GraphicLocation eLocation;
 165     if( !( rValue >>= eLocation ) )
 166     {
 167         sal_Int32 nValue = 0;
 168         if( rValue >>= nValue )
 169             eLocation = (style::GraphicLocation)nValue;
 170         else
 171             bRet = sal_False;
 172     }
 173
 174     if( bRet )
 175     {
 176         bRet = sal_False;
 177
 178         switch( eLocation )
 179         {
 180         case style::GraphicLocation_LEFT_TOP:
 181         case style::GraphicLocation_MIDDLE_TOP:
 182         case style::GraphicLocation_RIGHT_TOP:
 183             aOut.append( GetXMLToken(XML_TOP) );
 184             bRet = sal_True;
 185             break;
 186         case style::GraphicLocation_LEFT_MIDDLE:
 187         case style::GraphicLocation_MIDDLE_MIDDLE:
 188         case style::GraphicLocation_RIGHT_MIDDLE:
 189             aOut.append( GetXMLToken(XML_CENTER) );
 190             bRet = sal_True;
 191             break;
 192         case style::GraphicLocation_LEFT_BOTTOM:
 193         case style::GraphicLocation_MIDDLE_BOTTOM:
 194         case style::GraphicLocation_RIGHT_BOTTOM:
 195             aOut.append( GetXMLToken(XML_BOTTOM) );
 196             bRet = sal_True;
 197             break;
 198         default:
 199             break;
 200         }
 201
 202         if( bRet )
 203         {
 204             aOut.append( sal_Unicode( ' ' ) );
 205
 206             switch( eLocation )
 207             {
 208             case style::GraphicLocation_LEFT_TOP:
 209             case style::GraphicLocation_LEFT_BOTTOM:
 210             case style::GraphicLocation_LEFT_MIDDLE:
 211                 aOut.append( GetXMLToken(XML_LEFT) );
 212                 break;
 213             case style::GraphicLocation_MIDDLE_TOP:
 214             case style::GraphicLocation_MIDDLE_MIDDLE:
 215             case style::GraphicLocation_MIDDLE_BOTTOM:
 216                 aOut.append( GetXMLToken(XML_CENTER) );
 217                 break;
 218             case style::GraphicLocation_RIGHT_MIDDLE:
 219             case style::GraphicLocation_RIGHT_TOP:
 220             case style::GraphicLocation_RIGHT_BOTTOM:
 221                 aOut.append( GetXMLToken(XML_RIGHT) );
 222                 break;
 223             default:
 224                 break;
 225             }
 226         }
 227     }
 228
 229     rStrExpValue = aOut.makeStringAndClear();
 230
 231     return bRet;
 232 }
 233
 234 void XMLBackGraphicPositionPropHdl::MergeXMLVertPos( style::GraphicLocation& ePos, style::GraphicLocation eVert ) const
 235 {
 236     switch( ePos )
 237     {
 238     case style::GraphicLocation_LEFT_TOP:
 239     case style::GraphicLocation_LEFT_MIDDLE:
 240     case style::GraphicLocation_LEFT_BOTTOM:
 241         ePos = style::GraphicLocation_MIDDLE_TOP==eVert ?
 242                style::GraphicLocation_LEFT_TOP :
 243               (style::GraphicLocation_MIDDLE_MIDDLE==eVert ?
 244                style::GraphicLocation_LEFT_MIDDLE :
 245                style::GraphicLocation_LEFT_BOTTOM);
 246         ePos = eVert;
 247         break;
 248
 249     case style::GraphicLocation_MIDDLE_TOP:
 250     case style::GraphicLocation_MIDDLE_MIDDLE:
 251     case style::GraphicLocation_MIDDLE_BOTTOM:
 252         ePos = eVert;
 253         break;
 254
 255     case style::GraphicLocation_RIGHT_TOP:
 256     case style::GraphicLocation_RIGHT_MIDDLE:
 257     case style::GraphicLocation_RIGHT_BOTTOM:
 258         ePos = style::GraphicLocation_MIDDLE_TOP==eVert ?
 259                style::GraphicLocation_RIGHT_TOP :
 260               (style::GraphicLocation_MIDDLE_MIDDLE==eVert ?
 261                style::GraphicLocation_RIGHT_MIDDLE :
 262                style::GraphicLocation_RIGHT_BOTTOM);
 263         break;
 264     default:
 265         break;
 266     }
 267 }
 268
 269 void XMLBackGraphicPositionPropHdl::MergeXMLHoriPos( style::GraphicLocation& ePos, style::GraphicLocation eHori ) const
 270 {
 271     DBG_ASSERT( style::GraphicLocation_LEFT_MIDDLE==eHori || style::GraphicLocation_MIDDLE_MIDDLE==eHori || style::GraphicLocation_RIGHT_MIDDLE==eHori,
 272                 "lcl_frmitems_MergeXMLHoriPos: vertical pos must be middle" );
 273
 274     switch( ePos )
 275     {
 276     case style::GraphicLocation_LEFT_TOP:
 277     case style::GraphicLocation_MIDDLE_TOP:
 278     case style::GraphicLocation_RIGHT_TOP:
 279         ePos = style::GraphicLocation_LEFT_MIDDLE==eHori ?
 280                style::GraphicLocation_LEFT_TOP :
 281               (style::GraphicLocation_MIDDLE_MIDDLE==eHori ?
 282                style::GraphicLocation_MIDDLE_TOP :
 283                style::GraphicLocation_RIGHT_TOP);
 284         break;
 285
 286     case style::GraphicLocation_LEFT_MIDDLE:
 287     case style::GraphicLocation_MIDDLE_MIDDLE:
 288     case style::GraphicLocation_RIGHT_MIDDLE:
 289         ePos = eHori;
 290         break;
 291
 292     case style::GraphicLocation_LEFT_BOTTOM:
 293     case style::GraphicLocation_MIDDLE_BOTTOM:
 294     case style::GraphicLocation_RIGHT_BOTTOM:
 295         ePos = style::GraphicLocation_LEFT_MIDDLE==eHori ?
 296                style::GraphicLocation_LEFT_BOTTOM :
 297               (style::GraphicLocation_MIDDLE_MIDDLE==eHori ?
 298                style::GraphicLocation_MIDDLE_BOTTOM :
 299                style::GraphicLocation_RIGHT_BOTTOM);
 300         break;
 301     default:
 302         break;
 303     }
 304 }
 305