lockedbutton.php

См. документацию.

<?php
namespace Bitrix\UI\Buttons;

class LockedButton extends Button
{
    protected bool $hasHint = false;

    protected function getDefaultParameters()
    {
        return [
            'tag' => Tag::BUTTON,
        ];
    }

    protected function init(array $params = [])
    {
        parent::init($params);
 
        $this->setDisabled();
 
        $this->getAttributeCollection()->addClass('ui-btn-icon-lock');
 
        $hint = $params['hint'] ?? null;
        if ($hint)
        {
            $this->hasHint = true;
            $this->addDataAttribute('hint', $hint);
            $this->addDataAttribute('hint-no-icon', true);
        }
    }

    protected function listExtensions()
    {
        return [
            'ui.hint',
        ];
    }

    public function render($jsInit = true)
    {
        $output = parent::render($jsInit);
        $uniqId = $this->getUniqId();
 
        // execute in any case despite $jsInit
        if ($this->hasHint)
        {
            // HACK: hint does not work on locked buttons because mouse(enter/out) events don't work for disabled buttons. So we remove disabled attribute
            $output .=
                "<script>
                setTimeout(() => {
                    const lockedButton = BX.UI.ButtonManager.getByUniqid('{$uniqId}');
                    if (lockedButton && lockedButton.button)
                    {
                        lockedButton.button.removeAttribute('disabled');
                    }
                    
                    BX.UI.Hint.init();
                }, 200);
            </script>";
        }
 
 
        return $output;
    }
}