sw/source/core/txtnode/modeltoviewhelper.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sw.hxx"
  33 #include <modeltoviewhelper.hxx>
  34
  35 namespace ModelToViewHelper
  36 {
  37
  38 /** Converts a model position into a view position
  39 */
  40 sal_uInt32 ConvertToViewPosition( const ConversionMap* pMap, sal_uInt32 nModelPos )
  41 {
  42     sal_uInt32 nRet = nModelPos;
  43
  44     if ( !pMap )
  45         return nRet;
  46
  47     // Search for entry behind nPos:
  48     ConversionMap::const_iterator aIter;
  49     for ( aIter = pMap->begin(); aIter != pMap->end(); ++aIter )
  50     {
  51         if ( (*aIter).first >= nModelPos )
  52         {
  53             const sal_uInt32 nPosModel  = (*aIter).first;
  54             const sal_uInt32 nPosExpand = (*aIter).second;
  55
  56             const sal_uInt32 nDistToNextModel  = nPosModel - nModelPos;
  57             nRet = nPosExpand - nDistToNextModel;
  58             break;
  59         }
  60     }
  61
  62     return nRet;
  63 }
  64
  65
  66 /** Converts a view position into a model position
  67 */
  68 ModelPosition ConvertToModelPosition( const ConversionMap* pMap, sal_uInt32 nViewPos )
  69 {
  70     ModelPosition aRet;
  71     aRet.mnPos = nViewPos;
  72
  73     if ( !pMap )
  74         return aRet;
  75
  76     // Search for entry behind nPos:
  77     ConversionMap::const_iterator aIter;
  78     for ( aIter = pMap->begin(); aIter != pMap->end(); ++aIter )
  79     {
  80         if ( (*aIter).second > nViewPos )
  81         {
  82             const sal_uInt32 nPosModel  = (*aIter).first;
  83             const sal_uInt32 nPosExpand = (*aIter).second;
  84
  85             // If nViewPos is in front of first field, we are finished.
  86             if ( aIter == pMap->begin() )
  87                 break;
  88
  89             --aIter;
  90
  91             // nPrevPosModel is the field position
  92             const sal_uInt32 nPrevPosModel  = (*aIter).first;
  93             const sal_uInt32 nPrevPosExpand = (*aIter).second;
  94
  95             const sal_uInt32 nLengthModel  = nPosModel - nPrevPosModel;
  96             const sal_uInt32 nLengthExpand = nPosExpand - nPrevPosExpand;
  97
  98             const sal_uInt32 nFieldLengthExpand = nLengthExpand - nLengthModel + 1;
  99             const sal_uInt32 nFieldEndExpand = nPrevPosExpand + nFieldLengthExpand;
 100
 101             // Check if nPos is outside of field:
 102             if ( nFieldEndExpand <= nViewPos )
 103             {
 104                 // nPos is outside of field:
 105                 const sal_uInt32 nDistToField = nViewPos - nFieldEndExpand + 1;
 106                 aRet.mnPos  = nPrevPosModel + nDistToField;
 107             }
 108             else
 109             {
 110                 // nViewPos is inside a field:
 111                 aRet.mnPos = nPrevPosModel;
 112                 aRet.mnSubPos = nViewPos - nPrevPosExpand;
 113                 aRet.mbIsField = true;
 114             }
 115
 116             break;
 117         }
 118     }
 119
 120     return aRet;
 121 }
 122
 123 } // namespace ModelToViewStringConverter end