addGenericFieldHotLink base method

  /**
   *  

   *  Method for adding a hotlinked field whose MARC tag, subfield
   *  or label may not fit within the predefined parameters set in 
   *  MarcArticleFmt.addSubject. This method works for both simple subject 
   *  and author headings, tag/one subfield (e.g. 650/1 or 100/1).
   *  
   */
   protected final void addGenericFieldHotLink(DataDir dir, boolean useLabel,
                                           boolean createHotLink, String fieldLabel,
                                           String fieldTag, String subfieldTag,
                                           String indexTag) {

    // concatenate the fieldTag and subfieldTag so they can be used as a unit
    String subjectField = fieldTag.concat("/");
    subjectField = subjectField.concat(subfieldTag);

    if (fmtUtil.fieldsExist(dir, subjectField)) {

      if (useLabel) {
        fmtUtil.addText(labelMaker(fieldLabel));
      } // end nested if

      String data;
      int currentFldid;

      Enumeration a, ab;
      DataDir abdir, adir;

      for (a = fmtUtil.fieldVector(dir, fieldTag).elements(); a.hasMoreElements();) {
        adir = (DataDir) a.nextElement();
        if (adir == null)
          continue;

        currentFldid = adir.fldid();

        // Now that we found a field, specify the subfields
          ab = fmtUtil.fieldVector(adir.subElement(), subfieldTag).elements();

        for ( ; ab.hasMoreElements(); ) {
          abdir = (DataDir) ab.nextElement();
          // we got data - make a hotlink and a displayable version of the data
          data = fmtUtil.asciiToLatin1(abdir);
          linkData = Diacritic.doHtmlDiacritics(data);

          if (createHotLink) {
            fmtUtil.addText(fmtUtil.MakeQueryHotLink("/WebZ/QUERY", indexTag,
                                                     data, true, null, null,
                                                     queryNext, queryBad,
                                                     context, otherWidgets, queryTarget,
                                                     linkData, subfieldTerminator));
          }
          else {
            // oops no hotlink needed - just display it
            fmtUtil.addText(data);
            fmtUtil.addText(subfieldTerminator);
          } // end if-else
        } // end for loop
        fmtUtil.addText("
");
      } // end for loop
      fmtUtil.addText(trailer);
    } // end if

  }

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