selectorprovider.php

См. документацию.

<?php
namespace Bitrix\Landing\Connector\Ui;
 
use Bitrix\Landing\Landing;
use Bitrix\Landing\Site;
use Bitrix\Landing\Folder;
use Bitrix\Landing\Site\Type;
use Bitrix\UI\EntitySelector\Dialog;
use Bitrix\UI\EntitySelector\Item;
use Bitrix\UI\EntitySelector\SearchQuery;
 
class SelectorProvider extends \Bitrix\UI\EntitySelector\BaseProvider
{
    protected static $searchPhrase = null;

    public function __construct(array $options = [])
    {
        parent::__construct();
    }

    public function isAvailable(): bool
    {
        return true;
    }

    public static function getFolders(int $siteId, ?int $parentId = null): array
    {
        $data = [];
        $filter = [];
 
        if (self::$searchPhrase)
        {
            $filter['?TITLE'] = '%' . self::$searchPhrase . '%';
        }
        else
        {
            $filter['PARENT_ID'] = abs($parentId);
        }
 
        $folders = Site::getFolders($siteId, $filter);
 
        foreach ($folders as $folder)
        {
            $data[$folder['ID']] = new Item([
                'id' => -1 * $folder['ID'],
                'entityId' => 'landing',
                'entityType' => 'folder',
                'title' => $folder['TITLE'],
                'nodeOptions' => ['dynamic' => true]
            ]);
        }
 
        return $data;
    }

    public static function getLandings(int $siteId, ?int $landingId = null, ?int $parentId = null): array
    {
        $data = [];
        $landingFake = Landing::createInstance(0);
        $filter = ['SITE_ID' => $siteId];
 
        // search in folders first (if search mode)
        if (self::$searchPhrase)
        {
            $folders = Site::getFolders($siteId, [
                '?TITLE' => '%' . self::$searchPhrase . '%'
            ]);
            if ($folders)
            {
                $filterSub = ['LOGIC' => 'OR'];
                $filterSub['?TITLE'] = '%' . self::$searchPhrase . '%';
                $filterSub['FOLDER_ID'] = [];
                foreach ($folders as $folder)
                {
                    $filterSub['FOLDER_ID'][] = $folder['ID'];
                }
                $filter[] = $filterSub;
            }
            else
            {
                $filter['?TITLE'] = '%' . self::$searchPhrase . '%';
            }
        }
        else
        {
            $filter['FOLDER_ID'] = abs($parentId);
        }
 
        $rows = [];
        $res = Landing::getList([
            'select' => [
                'ID', 'TITLE', 'FOLDER_ID', 'SITE_ID',
                'DOMAIN_ID' => 'SITE.DOMAIN_ID'
            ],
            'filter' => $filter,
            'order' => [
                'DATE_MODIFY' => 'desc'
            ]
        ]);
        while ($row = $res->fetch())
        {
            $rows[$row['ID']] = $row;
        }
 
        if ($rows)
        {
            $urls = $landingFake->getPublicUrl(array_keys($rows));
        }
 
        foreach ($rows as $row)
        {
            $subtitle = null;
            if (self::$searchPhrase && $row['FOLDER_ID'])
            {
                $subtitle = Folder::getBreadCrumbsString($row['FOLDER_ID'], ' / ', $row['SITE_ID']);
            }
            $data[$row['ID']] = new Item([
                'id' => $row['ID'],
                'selected' => $row['ID'] == $landingId,
                'entityId' => 'landing',
                'entityType' => 'landing',
                'title' => $row['TITLE'],
                'avatar' => $landingFake->getPreview($row['ID'], $row['DOMAIN_ID'] == 0, $urls[$row['ID']]),
                'subtitle' => $subtitle ?: ''
            ]);
        }
 
        return $data;
    }

    protected function getSiteIdFromDialog(Dialog $dialog): ?int
    {
        $entity = $dialog->getEntities()['landing'] ?? null;
        if ($entity)
        {
            if ($siteId = $entity->getOptions()['siteId'] ?? null)
            {
                Type::setScope($entity->getOptions()['siteType']);
                return $siteId;
            }
        }
 
        return null;
    }

    protected function getLandingIdFromDialog(Dialog $dialog): ?int
    {
        $entity = $dialog->getEntities()['landing'] ?? null;
        if ($entity)
        {
            if ($landingId = $entity->getOptions()['landingId'] ?? null)
            {
                return $landingId;
            }
        }
 
        return null;
    }

    public function getChildren(Item $parentItem, Dialog $dialog): void
    {
        $this::$searchPhrase = null;
        if ($siteId = $this->getSiteIdFromDialog($dialog))
        {
            $landingId = $this->getLandingIdFromDialog($dialog);
            $dialog->addItems($this::getFolders($siteId, $parentItem->getId()));
            $dialog->addItems($this::getLandings($siteId, $landingId, $parentItem->getId()));
        }
    }

    public function doSearch(SearchQuery $searchQuery, Dialog $dialog): void
    {
        $this::$searchPhrase = $searchQuery->getQuery();
        if ($siteId = $this->getSiteIdFromDialog($dialog))
        {
            $dialog->addItems($this::getLandings($siteId));
        }
        $this::$searchPhrase = null;
    }

    public function getItems(array $ids) : array
    {
        return [];
    }

    public function getSelectedItems(array $ids) : array
    {
        return [];
    }
}