Ublaboo\DataGrid\Column\Column::getElementPrototype PHP Method

    public function getElementPrototype($tag, $key = NULL, Row $row = NULL)
    {
        /**
         * Get cached element
         */
        if (empty($this->el_cache[$tag])) {
            $this->el_cache[$tag] = $el = $el = Html::el($tag);
        } else {
            $el = $this->el_cache[$tag];
        }
        /**
         * If class was set by user via $el->class = '', fix it
         */
        if (!empty($el->class) && is_string($el->class)) {
            $class = $el->class;
            unset($el->class);
            $el->class[] = $class;
        }
        $el->class[] = "text-{$this->getAlign()}";
        /**
         * Method called from datagrid template, set appropriate classes and another attributes
         */
        if ($key !== NULL && $row !== NULL) {
            $el->class[] = "col-{$key}";
            if ($tag == 'td') {
                if ($this->isEditable()) {
                    $link = $this->grid->link('edit!', ['key' => $key, 'id' => $row->getId()]);
                    $el->data('datagrid-editable-url', $link);
                    $el->data('datagrid-editable-type', $this->editable_element[0]);
                    $el->data('datagrid-editable-attrs', json_encode($this->editable_element[1]));
                }
            }
        }
        return $el;
    }