| private _buildEmptyDisplay ( string $class, boolean $condition_field, object $meta, string $align = '' ) : string | ||
| $class | string | class of table cell |
| $condition_field | boolean | whether to add CSS class condition |
| $meta | object | the meta-information about this field |
| $align | string | cell alignment |
| return | string | the td |
private function _buildEmptyDisplay($class, $condition_field, $meta, $align = '')
{
return '<td ' . $align . ' class="' . $this->_addClass($class, $condition_field, $meta, 'nowrap') . '"></td>';
}