private void typeDeletion(String name) {
    BibtexEntryType type = BibtexEntryType.getType(name);

    if (type instanceof CustomEntryType) {
      if (BibtexEntryType.getStandardType(name) == null) {
        int reply =
            JOptionPane.showConfirmDialog(
                frame,
                Globals.lang(
                    "All entries of this " + "type will be declared " + "typeless. Continue?"),
                Globals.lang("Delete custom format") + " '" + StringUtil.nCase(name) + '\'',
                JOptionPane.YES_NO_OPTION,
                JOptionPane.WARNING_MESSAGE);
        if (reply != JOptionPane.YES_OPTION) {
          return;
        }
      }
      BibtexEntryType.removeType(name);
      updateTypesForEntries(StringUtil.nCase(name));
      changed.remove(name);
      reqLists.remove(name);
      optLists.remove(name);
      if (biblatexMode) {
        opt2Lists.remove(name);
      }
    }
    // messageLabel.setText("'"+type.getName()+"' "+
    //        Globals.lang("is a standard type."));

  }
  private void applyChanges() {
    valueChanged(new ListSelectionEvent(new JList(), 0, 0, false));
    // Iterate over our map of required fields, and list those types if necessary:

    List<String> types = typeComp.getFields();
    for (Map.Entry<String, List<String>> stringListEntry : reqLists.entrySet()) {
      if (!types.contains(stringListEntry.getKey())) {
        continue;
      }

      List<String> reqFields = stringListEntry.getValue();
      List<String> optFields = optLists.get(stringListEntry.getKey());
      List<String> opt2Fields = opt2Lists.get(stringListEntry.getKey());
      String[] reqStr = new String[reqFields.size()];
      reqStr = reqFields.toArray(reqStr);
      String[] optStr = new String[optFields.size()];
      optStr = optFields.toArray(optStr);
      String[] opt2Str;
      if (opt2Fields != null) {
        opt2Str = opt2Fields.toArray(new String[opt2Fields.size()]);
      } else {
        opt2Str = new String[0];
      }

      // If this type is already existing, check if any changes have
      // been made
      boolean changesMade = true;

      if (defaulted.contains(stringListEntry.getKey())) {
        // This type should be reverted to its default setup.
        // System.out.println("Defaulting: "+typeName);
        String nm = StringUtil.nCase(stringListEntry.getKey());
        BibtexEntryType.removeType(nm);

        updateTypesForEntries(nm);
        continue;
      }

      BibtexEntryType oldType = BibtexEntryType.getType(stringListEntry.getKey());
      if (oldType != null) {
        String[] oldReq = oldType.getRequiredFields(), oldOpt = oldType.getOptionalFields();
        if (biblatexMode) {
          String[] priOpt = oldType.getPrimaryOptionalFields();
          String[] secOpt = Util.getRemainder(oldOpt, priOpt);
          if (equalArrays(oldReq, reqStr)
              && equalArrays(oldOpt, optStr)
              && equalArrays(secOpt, opt2Str)) {
            changesMade = false;
          }
        } else if (equalArrays(oldReq, reqStr) && equalArrays(oldOpt, optStr)) {
          changesMade = false;
        }
      }

      if (changesMade) {
        // System.out.println("Updating: "+typeName);
        CustomEntryType typ =
            biblatexMode
                ? new CustomEntryType(
                    StringUtil.nCase(stringListEntry.getKey()), reqStr, optStr, opt2Str)
                : new CustomEntryType(StringUtil.nCase(stringListEntry.getKey()), reqStr, optStr);

        BibtexEntryType.ALL_TYPES.put(stringListEntry.getKey().toLowerCase(), typ);
        updateTypesForEntries(typ.getName());
      }
    }

    Set<Object> toRemove = new HashSet<Object>();
    for (String o : BibtexEntryType.ALL_TYPES.keySet()) {
      if (!types.contains(o)) {
        toRemove.add(o);
      }
    }

    // Remove those that should be removed:
    if (!toRemove.isEmpty()) {
      for (Object aToRemove : toRemove) {
        typeDeletion((String) aToRemove);
      }
    }

    updateTables();
  }