/**
* Which are the sortable columns
* @param array $sortableColumns
* @return \BootstrapUI\Table\Remote
*/
public function sortableColumns(array $sortableColumns)
{
$this->sortableColumns = $sortableColumns;
foreach ($sortableColumns as $index) {
$this->table->renderTh($index, function ($index, $column, $columns) {
$dataLabel = str_replace('"', '"', $column['label']);
$width = $column['width'] !== null ? " style=\"width:{$column['width']}px\"" : '';
return "<th class=\"x-remote-sortable-column\"{$width}><a href=\"#\" class=\"x-remote-sortable-{$index}\" data-field=\"{$index}\" data-label=\"{$dataLabel}\">{$column['label']}</a></th>";
});
}
return $this;
}
