public function dataTableProgress(DataTable $dt, $columnName, $color)
{
$i = 0;
foreach ($dt->getColumnDefinitions() as $column) {
if ($column['name'] == $columnName) {
return '{ targets: ' . $i . ', render: function(data, type, row) { return \'<div class="progress progress-xs"><div class="progress-bar progress-bar-' . $color . '" style="width: \'+row[\'' . $columnName . '\']+\'%"></div></div>\'; } }, ';
}
$i++;
}
return '';
}