baseprovider.php

<?
namespace Bitrix\UI\EntitySelector;
 
abstract class BaseProvider
{
    protected $options = [];
 
    protected function __construct()
    {
        // You have to validate $options in a derived class constructor
    }
 
    public abstract function isAvailable(): bool;
 
    public abstract function getItems(array $ids): array;
 
    public function getPreselectedItems(array $ids): array
    {
        return $this->getSelectedItems($ids);
    }
 
    public function getSelectedItems(array $ids): array
    {
        return $this->getItems($ids);
    }
 
    public function getOptions(): array
    {
        return $this->options;
    }
 
    public function getOption(string $option, $defaultValue = null)
    {
        return array_key_exists($option, $this->options) ? $this->options[$option] : $defaultValue;
    }
 
    public function fillDialog(Dialog $dialog): void
    {
 
    }
 
    public function getChildren(Item $parentItem, Dialog $dialog): void
    {
 
    }
 
    public function doSearch(SearchQuery $searchQuery, Dialog $dialog): void
    {
 
    }
 
    public function handleBeforeItemSave(Item $item): void
    {
 
    }
}