map.php

<?php
namespace Bitrix\Landing\Node;
 
use Bitrix\Landing\History;
 
class Map extends \Bitrix\Landing\Node
{
    protected const ATTR_MAP = 'data-map';
 
    public static function getHandlerJS()
    {
        return 'BX.Landing.Node.Map';
    }
 
    public static function saveNode(\Bitrix\Landing\Block $block, $selector, array $data)
    {
        $doc = $block->getDom();
        $resultList = $doc->querySelectorAll($selector);
 
        foreach ($data as $pos => $value)
        {
            if (isset($resultList[$pos]) && $value)
            {
                if (History::isActive())
                {
                    $history = new History($block->getLandingId(), History::ENTITY_TYPE_LANDING);
                    $history->push('EDIT_MAP', [
                        'block' => $block,
                        'selector' => $selector,
                        'position' => (int)$pos,
                        'valueBefore' => $resultList[$pos]->getAttributes()[self::ATTR_MAP]->getValue(),
                        'valueAfter' => $value,
                    ]);
                }
 
                $resultList[$pos]->setAttribute(
                    self::ATTR_MAP,
                    $value
                );
            }
        }
    }
 
    public static function getNode(\Bitrix\Landing\Block $block, $selector)
    {
        $data = array();
        $doc = $block->getDom();
        $resultList = $doc->querySelectorAll($selector);
 
        foreach ($resultList as $pos => $res)
        {
            $data[$pos] = $res->getAttribute(self::ATTR_MAP);
        }
 
        return $data;
    }
}