tabletgrid.php

См. документацию.

<?php
 
namespace Bitrix\Main\Grid;
 
use Bitrix\Main\Grid\Column\Columns;
use Bitrix\Main\Grid\Column\DataProvider\TabletColumnsProvider;
use Bitrix\Main\ORM\Data\DataManager;
use Bitrix\Main\ORM\Entity;
 
abstract class TabletGrid extends Grid
{
    abstract protected function getTabletClass(): string;
 
    final protected function getDataManager(): DataManager
    {
        $ref = new \ReflectionClass($this->getTabletClass());
 
        return $ref->newInstance();
    }
 
    final protected function getEntity(): Entity
    {
        return $this->getDataManager()->getEntity();
    }
 
    protected function createColumns(): Columns
    {
        return new Columns(
            new TabletColumnsProvider($this->getEntity()),
        );
    }
}