metarobots.php

<?php
namespace Bitrix\Landing\Hook\Page;
 
use \Bitrix\Landing\Field;
use \Bitrix\Main\Localization\Loc;
 
Loc::loadMessages(__FILE__);
 
class MetaRobots extends \Bitrix\Landing\Hook\Page
{
    protected function getMap()
    {
        return array(
            'INDEX' => new Field\Checkbox('INDEX', array(
                'title' => Loc::getMessage('LANDING_HOOK_MRINDEX')
            ))
        );
    }
 
    public function getTitle()
    {
        return Loc::getMessage('LANDING_HOOK_MR_NAME');
    }
 
    public function enabled()
    {
        return true;//always
    }
 
    public function enabledInEditMode()
    {
        return false;
    }
 
    public function exec()
    {
        if ($this->execCustom())
        {
            return;
        }
 
        if (\Bitrix\Landing\Landing::getPreviewMode())
        {
            $use = 'N';
        }
        else
        {
            $use = $this->fields['INDEX']->getValue();
        }
        \Bitrix\Main\Page\Asset::getInstance()->addString(
            '<meta name="robots" content="' . ($use != 'N' ? 'all' : 'noindex') . '" />'
        );
    }
}