private function shippingClassRateRow($inputNamePrefix, $rateId, WbsBucketRate $rate = null, $class = null)
{
return '
<tr class="flat_rate ' . esc_html($class) . '">
<th class="check-column">
<input type="checkbox" name="select" />
</th>
<td class="flat_rate_class">
' . $this->shippingClassSelect("{$inputNamePrefix}[{$rateId}][class]", $rate ? $rate->getId() : null) . '
</td>
<td>' . $this->decimalInput(array('value' => $rate ? $rate->getFlatRate() : null, 'name' => "{$inputNamePrefix}[{$rateId}][fee]")) . '
</td>
<td>' . $this->weightRate("{$inputNamePrefix}[{$rateId}][weight_rate]", $rate ? $rate->getProgressiveRate()->toArray() : null, false) . '
</td>
</tr>
';
}
