bindTo($this->row); $html = call_user_func_array($callback, [$this->row]); $this->setupScript(); $key = $this->column->getName().'-'.$this->getKey(); return <<   {$this->value} EOT; } protected function setupScript() { $script = <<<'EOT' $('.grid-expand').on('click', function () { if ($(this).data('inserted') == '0') { var key = $(this).data('key'); var row = $(this).closest('tr'); var html = $('template.grid-expand-'+key).html(); row.after(""+html+""); $(this).data('inserted', 1); } $("i", this).toggleClass("fa-angle-double-down fa-angle-double-up"); }); EOT; Admin::script($script); } }