ChangeAnchorAction.php

См. документацию.

<?php
 
namespace Bitrix\Landing\History\Action;
 
use Bitrix\Landing\Block;
use Bitrix\Landing\Node;
use Bitrix\Main\Web\Json;
 
class ChangeAnchorAction extends BaseAction
{
    // now it is not used as separate js command, just as multy
    protected const JS_COMMAND = 'changeAnchor';
 
    public function execute(bool $undo = true): bool
    {
        $value = $undo ? $this->params['valueBefore'] : $this->params['valueAfter'];
 
        if ($this->params['block'])
        {
            if ($value === '')
            {
                return true;
            }
 
            $block = new Block((int)$this->params['block']);
            $block->setAnchor($value);
 
            return $block->save();
        }
 
        return false;
    }
 
    public static function enrichParams(array $params): array
    {
        $params['block'] = $params['block']->getId();
 
        return $params;
    }

    public function getJsCommand(bool $undo = true): array
    {
        $params = parent::getJsCommand($undo);
 
        $params['params']['value'] =
            $undo
                ? $params['params']['valueBefore']
                : $params['params']['valueAfter'];
 
        unset(
            $params['params']['valueAfter'],
            $params['params']['valueBefore'],
        );
 
        return $params;
    }

    public static function compareParams(array $oldParams, array $newParams): bool
    {
        unset($oldParams['valueBefore'], $newParams['valueBefore']);
 
        return $oldParams === $newParams;
    }
}