Related: fdo#73936 use ModelToViewHelper to expand SwTxtNodes

ModelToViewHelper knows about formfield dropdown lists
so their content gets expanded, which means that
in the spelling dialog the dropdowns get shown and
are detected as fields

Change-Id: If23d44c6189a73d04205816a32e863161f7f38ef

sw/source/core/txtnode/ndtxt.cxx

@@ -3109,10 +3109,16 @@ OUString SwTxtNode::GetExpandTxt(  const sal_Int32 nIdx,
                                    const bool bWithFtn ) const
 
 {
-    OUStringBuffer aTxt(
-        (nLen == -1) ? GetTxt().copy(nIdx) : GetTxt().copy(nIdx, nLen));
-    sal_Int32 nTxtStt = nIdx;
-    Replace0xFF(*this, aTxt, nTxtStt, aTxt.getLength(), true, bWithFtn );
+    sal_uInt16 eMode = EXPANDFIELDS;
+    if (bWithFtn)
+        eMode |= EXPANDFOOTNOTE;
+
+    ModelToViewHelper aConversionMap(*this, eMode);
+    OUString aExpandText = aConversionMap.getViewText();
+    const sal_Int32 nExpandBegin = aConversionMap.ConvertToViewPosition( nIdx );
+    sal_Int32 nEnd = nLen == -1 ? GetTxt().getLength() : nIdx + nLen;
+    const sal_Int32 nExpandEnd = aConversionMap.ConvertToViewPosition( nEnd );
+    OUStringBuffer aTxt(aExpandText.copy(nExpandBegin, nExpandEnd-nExpandBegin));
 
     // remove dummy characters of Input Fields
     comphelper::string::remove(aTxt, CH_TXT_ATR_INPUTFIELDSTART);

sw/source/core/txtnode/txtedt.cxx

@@ -1983,15 +1983,15 @@ bool SwTxtNode::CountWords( SwDocStat& rStat,
     const ModelToViewHelper aConversionMap(*this, EXPANDFIELDS | EXPANDFOOTNOTE | HIDEINVISIBLE | HIDEREDLINED);
     OUString aExpandText = aConversionMap.getViewText();
 
-    // map start and end points onto the ConversionMap
-    const sal_Int32 nExpandBegin = aConversionMap.ConvertToViewPosition( nStt );
-    const sal_Int32 nExpandEnd   = aConversionMap.ConvertToViewPosition( nEnd );
-
     if (aExpandText.isEmpty() && !bCountNumbering)
     {
         return false;
     }
 
+    // map start and end points onto the ConversionMap
+    const sal_Int32 nExpandBegin = aConversionMap.ConvertToViewPosition( nStt );
+    const sal_Int32 nExpandEnd   = aConversionMap.ConvertToViewPosition( nEnd );
+
     //do the count
     // all counts exclude hidden paras and hidden+redlined within para
     // definition of space/white chars in SwScanner (and BreakIter!)