documentbutton.php

См. документацию.

<?php
 
namespace Bitrix\UI\Buttons;
 
use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Text;
use Bitrix\Main\Web\Json;
 
class DocumentButton extends Button
{
    private array $documentButtonConfig = [];

    protected function getDefaultParameters(): array
    {
        return [
            'tag' => Tag::BUTTON,
            'color' => Color::LIGHT_BORDER,
            'dropdown' => true,
            'domId' => $this->getUniqId(),
            'text' => Loc::getMessage('UI_BUTTON_DOCUMENT_TEXT'),
            'dataset' => [
                'toolbar-collapsed-icon' => Icon::LIST,
            ],
        ];
    }
 
    protected function buildFromArray($params): void
    {
        if (isset($params['documentButtonConfig']) && is_array($params['documentButtonConfig']))
        {
            $this->setDocumentButtonConfig($params['documentButtonConfig']);
            unset($params['documentButtonConfig']);
        }
        parent::buildFromArray($params);
        if (!empty($params['domId']) && is_string($params['domId']))
        {
            $this->setDomId($params['domId']);
        }
    }
 
    public function setDocumentButtonConfig(array $config): void
    {
        $this->documentButtonConfig = $config;
    }
 
    private function getDocumentButtonConfig(): array
    {
        return $this->documentButtonConfig;
    }
 
    protected function listExtensions(): array
    {
        return [
            'documentpreview',
        ];
    }
 
    protected function renderJavascript(): string
    {
        $id = $this->getDomId();
        $config = $this->getDocumentButtonConfig();
        if ($id === '' || empty($config))
        {
            return '';
        }
 
        $id = Text\HtmlFilter::encode($id);
        $params = Json::encode($config);
 
        return
            <<<JS
                if (BX.DocumentGenerator && BX.DocumentGenerator.Button)
                {
                    const button = new BX.DocumentGenerator.Button('$id', $params);
                    button.init();
                }
                else
                {
                    console.warn('BX.DocumentGenerator.Button is not found');
                }
            JS
        ;
    }
 
    public function render($jsInit = true): string
    {
        if (!Loader::includeModule('documentgenerator'))
        {
            return '';
        }
 
        return parent::render(true);
    }
 
    private function setDomId(string $id): void
    {
        $this->getAttributeCollection()['id'] = $id;
    }
 
    private function getDomId(): string
    {
        return (string)($this->getAttributeCollection()['id'] ?? '');
    }
}