context.php

См. документацию.

<?
 
namespace Bitrix\Main\Grid;
 

class Context
{
    protected static function getRequest()
    {
        return \Bitrix\Main\Context::getCurrent()->getRequest();
    }

    public static function isInternalRequest()
    {
        $request = self::getRequest();
        return (
            ($request->get("internal") == true && $request->get("grid_id")) ||
            ($request->getPost("internal") == true && $request->getPost("grid_id"))
        );
    }

    public static function isValidateRequest()
    {
        return static::isInternalRequest() &&
            self::getRequest()->get("grid_action") === "validate";
    }

    public static function isShowpageRequest()
    {
        return static::isInternalRequest() &&
            self::getRequest()->get("grid_action") === "showpage";
    }
}