protected boolean selectWord(int caretPos) {

    IDocument doc = fText.getDocument();
    int startPos, endPos;

    try {

      int pos = caretPos;
      char c;

      while (pos >= 0) {
        c = doc.getChar(pos);
        if (!Character.isJavaIdentifierPart(c)) break;
        --pos;
      }

      startPos = pos;

      pos = caretPos;
      int length = doc.getLength();

      while (pos < length) {
        c = doc.getChar(pos);
        if (!Character.isJavaIdentifierPart(c)) break;
        ++pos;
      }

      endPos = pos;
      selectRange(startPos, endPos);
      return true;

    } catch (BadLocationException x) {
    }

    return false;
  }