EditStyleAction.php

См. документацию.

<?php
 
namespace Bitrix\Landing\History\Action;
 
use Bitrix\Landing\Block;
use \Bitrix\Main\Web\DOM;
 
class EditStyleAction extends BaseAction
{
    protected const JS_COMMAND = 'updateStyle';
 
    public function execute(bool $undo = true): bool
    {
        $block = new Block((int)$this->params['block']);
        $selector = $this->params['selector'];
        $position = $this->params['position'];
        $isWrapper = $this->params['isWrapper'];
        $value = $undo ? $this->params['valueBefore'] : $this->params['valueAfter'];
 
        if ($selector)
        {
            if ($position >= 0 && !$isWrapper)
            {
                $selector = $selector . '@' . $position;
            }
            $data = [
                $selector => [
                    'classList' => explode(' ', $value['className']),
                    'style' => $value['style'],
                    'affect' => $this->params['affect'],
                ],
            ];
 
            return $block->setClasses($data) && $block->save();
        }
 
        return false;
    }
 
    public static function enrichParams(array $params): array
    {
        $block = $params['block'];
 
        $getValue = static function($content) {
            $doc = new DOM\Document();
            $doc->loadHTML($content);
            $children = $doc->getChildNodesArray();
            $node = array_pop($children);
 
            return $node
                ? [
                    'className' => $node->getClassName() ?: '',
                    'style' => DOM\StyleInliner::getStyle($node, true),
                    'styleString' => $node->getAttribute('style') ?: '',
                ]
                : [];
        };
 
        return [
            'block' => $block->getId(),
            'selector' => $params['selector'] ?: '',
            'isWrapper' => $params['isWrapper'] ?? false,
            'position' => $params['position'] ?? -1,
            'affect' => $params['affect'] ?: [],
            'lid' => $block->getLandingId(),
            'valueBefore' => $getValue($params['contentBefore']),
            'valueAfter' => $getValue($params['contentAfter']),
        ];
    }
 
    public function isNeedPush(): bool
    {
        // todo: move to another actions
        return
            parent::isNeedPush()
            && $this->params['valueBefore'] !== $this->params['valueAfter'];
    }

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

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