Map::saveNode

static function saveNode(BitrixLandingBlock $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
			);
		}
	}
}