private void btnAddValueRangeActionPerformed(
      java.awt.event.ActionEvent evt) // GEN-FIRST:event_btnAddValueRangeActionPerformed
      { // GEN-HEADEREND:event_btnAddValueRangeActionPerformed
    String sFrom = txtFromValue.getText();
    String sTo = txtToValue.getText();
    String sPercent = txtPercentValue.getText();
    Object obj[] = new Object[3];

    int row = tblDateRanges.getSelectedRow();
    if (row == -1) {
      JOptionPane.showMessageDialog(
          this,
          "A dates row must first be selected; values will be linked to that date range",
          "Constraint Error",
          JOptionPane.ERROR_MESSAGE);
      return;
    }

    obj[0] = sFrom;
    obj[1] = sTo;
    obj[2] = sPercent;

    Vector vRow = (Vector) newModelDates.getDataVector().elementAt(row);
    String key = getRowKey(vRow);

    TableSoftModel modelValues = (TableSoftModel) mapValues.get(key);
    if (modelValues == null) {
      modelValues = new TableSoftModel();
      modelValues.addRowValues(obj);
    } else {
      modelValues.addRowValues(obj);
    }
    newModelValues.setDataVector((Vector) modelValues.getRows(), (Vector) vModelColumns);
    mapValues.put(key, modelValues);
  } // GEN-LAST:event_btnAddValueRangeActionPerformed
  private void tblDateRangesMouseClicked(
      java.awt.event.MouseEvent evt) // GEN-FIRST:event_tblDateRangesMouseClicked
      { // GEN-HEADEREND:event_tblDateRangesMouseClicked
    int row = tblDateRanges.getSelectedRow();

    Vector vRow = (Vector) newModelDates.getDataVector().elementAt(row);
    if (row == -1) {
      JOptionPane.showMessageDialog(
          this,
          "A dates row must first be selected; values will be linked to that date range",
          "Constraint Error",
          JOptionPane.ERROR_MESSAGE);
      return;
    }
    String key = getRowKey(vRow);

    TableSoftModel modelValues = (TableSoftModel) mapValues.get(key);
    if (modelValues != null) {
      newModelValues.setDataVector((Vector) modelValues.getRows(), (Vector) vModelColumns);
    }
  } // GEN-LAST:event_tblDateRangesMouseClicked