dataprovider.php

<?php
 
namespace Bitrix\Main\Grid\Panel\Action;
 
use Bitrix\Main\Grid\Panel\Action\Action;
use Bitrix\Main\Grid\Settings;
use Error;
 
abstract class DataProvider
{
    private array $actions;
    private Settings $settings;
 
    public function __construct(?Settings $settings = null)
    {
        if (isset($settings))
        {
            $this->settings = $settings;
        }
    }
 
    final protected function getSettings(): Settings
    {
        return $this->settings;
    }
 
    final protected function getActionById(string $id): ?Action
    {
        if (empty($id))
        {
            return null;
        }
 
        if (!isset($this->actions))
        {
            $this->actions = [];
 
            foreach ($this->prepareActions() as $action)
            {
                $this->actions[$action::getId()] = $action;
            }
        }
 
        return $this->actions[$id] ?? null;
    }
 
    abstract public function prepareActions(): array;
 
    public function prepareControls(): array
    {
        $result = [];
 
        foreach ($this->prepareActions() as $action)
        {
            $control = $action->getControl();
            if (isset($control))
            {
                $result[] = $control;
            }
        }
 
        return $result;
    }
}