/**
     * Create a Transferable to use as the source for a data transfer.
     *
     * @param c The component holding the data to be transfered. This argument is provided to enable
     *     sharing of TransferHandlers by multiple components.
     * @return The representation of the data to be transfered.
     */
    protected Transferable createTransferable(JComponent c) {
      Object[] values = null;
      if (c instanceof JList) {
        values = ((JList) c).getSelectedValues();
      } else if (c instanceof JTable) {
        JTable table = (JTable) c;
        int[] rows = table.getSelectedRows();
        if (rows != null) {
          values = new Object[rows.length];
          for (int i = 0; i < rows.length; i++) {
            values[i] = table.getValueAt(rows[i], 0);
          }
        }
      }
      if (values == null || values.length == 0) {
        return null;
      }

      StringBuffer plainBuf = new StringBuffer();
      StringBuffer htmlBuf = new StringBuffer();

      htmlBuf.append("<html>\n<body>\n<ul>\n");

      for (Object obj : values) {
        String val = ((obj == null) ? "" : obj.toString());
        plainBuf.append(val + "\n");
        htmlBuf.append("  <li>" + val + "\n");
      }

      // remove the last newline
      plainBuf.deleteCharAt(plainBuf.length() - 1);
      htmlBuf.append("</ul>\n</body>\n</html>");

      return new FileTransferable(plainBuf.toString(), htmlBuf.toString(), values);
    }
  /** Handle string insertion. */
  public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
    // Store source data

    int sourceLength = getLength();
    String sourceText = getText(0, sourceLength);
    StringBuffer strBuffer = new StringBuffer(sourceText);

    // Check if old value is zero

    if (offs == 0 && sourceLength > 0 && str.length() > 0) {
      long oldValue;

      try {
        oldValue = myFormat.parse(strBuffer.toString()).longValue();

        if (oldValue == 0) {
          strBuffer.deleteCharAt(0);
        }
      } catch (Exception e) {
      }
    }

    // Now add new string

    strBuffer.insert(offs, str);

    BigDecimal value;

    try {
      value = new BigDecimal(myFormat.parse(strBuffer.toString()).doubleValue());
    } catch (Exception e) {
      if (sourceLength > 0) {
        if (sourceText.startsWith(",")) {
          sourceText = "0" + sourceText;
        }

        value = new BigDecimal(getRealString(sourceText));
      } else {
        value = new BigDecimal(0.0);
      }
    }

    // Set the new value

    if (textField == null) {
      return;
    }

    textField.setValue(new Money(value, textField.getValue().getCurrency()), false);

    super.remove(0, sourceLength);
    super.insertString(0, myFormat.format(value.doubleValue()), a);

    // Set caret to correct caret position

    if (!"".equals(sourceText)) // <=> initilized
    {
      int lengthDiff = getLength() - sourceLength;
      int caretPos = lengthDiff + offs;
      int caretDiff = sourceLength - offs;

      // Adjust for columns after centSperator (currently Diff < 3)

      if ((caretDiff > 0 && caretDiff < 3) || (value.abs().longValue() < 10 && caretPos == 0)) {
        caretPos += 1;
      }

      if (caretPos < 0) {
        caretPos = 0;
      }

      textField.setCaretPosition(caretPos);
    } else {
      textField.setCaretPosition(1);
    }
  }