/** First of all, change the 
     public static   String getWord(JTextComponent c, int offset) 
   function into 
     public static  WordBlock getWordBlock(JTextComponent c, int offset) 
     as shown below*/

/** create an inner class which will be the return type of our function*/
    class WordBlock {
	public String word = null;
	public int startPos = 0;
	public int endPos = 0;

    }

  /** now change the getWOrd(...) into getWordBlock(...)
    */
    public static  WordBlock getWordBlock(JTextComponent c, int offset) 
    throws BadLocationException {
        String id = null;
	int[] res = null;
	WordBlock wb = null;
	Document doc = c.getDocument();
        int idStart = javax.swing.text.Utilities.getWordStart(c, offset);
        if (idStart >= 0) {
            int idEnd = javax.swing.text.Utilities.getWordEnd(c, idStart);
            if (idEnd >= 0) {
                id = doc.getText(idStart, idEnd - idStart);
                ret = new int[] { idStart, idEnd };
		if (id.trim().length() == 0) {
		    int prevWordStart = javax.swing.text.Utilities.getPreviousWord(c, offset);
		    if (offset == javax.swing.text.Utilities.getWordEnd(c,prevWordStart )) {
			id = doc.getText(prevWordStart, offset - prevWordStart);
			ret = new int[] { prevWordStart, offset };
		    }

		}
		else if ((id != null) && (id.length() != 0)  && (id.indexOf(".") != -1)){
		    int index = offset - idStart;
		    int begin = id.substring(0, index).lastIndexOf(".");
		    begin = (begin == -1) ? 0 : begin + 1; //first index after the dot, if exists
		    int end = id.indexOf(".", index);
		    end = (end == -1) ? id.length() : end;
		    id = id.substring(begin, end);
		    ret = new int[] { idStart+begin, idStart+end };
		}
            }
        }
	if (id != null) {
	    wb = new WordBlock();
	    wb.word = id;
	    wb.startPos = res[0];
	    wb.endPos = res[1];
	}
        return wb;
    }

/** Then modify getSelectionOrIdentifierBlock */
    public static int[] getSelectionOrIdentifierBlock(JTextComponent c, int offset)
    throws BadLocationException {
        Document doc = (Document)c.getDocument();
        Caret caret = c.getCaret();
        int[] ret;
        if (caret.isSelectionVisible()) {
            ret = new int[] { c.getSelectionStart(), c.getSelectionEnd() }; 
        } else if !(doc instanceof BaseDocument){
	    WordBlock wb = getWordBlock(c, offset);
	    if (wb != null) 
	    ret = new int[] {wb.startPos, wb.endPos};
	}
	else {
            ret = getIdentifierBlock((BaseDocument)doc, caret.getDot());
        }
        return ret;
    }

 

/** Also  modify the function below which was using getWord(JTextComponent c, int offset) to reflect the changes*/

    public static String getSelectionOrIdentifier(JTextComponent c, int offset)
    throws BadLocationException {
        Document doc = c.getDocument();
        Caret caret = c.getCaret();
        String ret;
        if (caret.isSelectionVisible()) {
            ret = c.getSelectedText();
	    if (ret != null) return ret;
        } 
	if (doc instanceof BaseDocument){
	    ret = getIdentifier((BaseDocument) doc, caret.getDot());
        } else {
	    WordBlock wb = getWordBlock(c, offset);
	    if (wb != null) 
	    ret = wb.word;
	}
        return ret;
    }