boot.php

<?php

namespace FriendsOfRedaxo\MarkItUp;

use rex;
use rex_addon;
use rex_i18n;
use rex_view;

/** @var rex_addon $this */

if (rex::isBackend()) {
    // Ressourcen einbinden

    rex_view::addJsFile($this->getAssetsUrl('jquery.markitup.js'));
    rex_view::addJsFile($this->getAssetsUrl('autosize.min.js'));
    rex_view::addJsFile($this->getAssetsUrl('scripts.js'));
    rex_view::addCssFile($this->getAssetsUrl('style.css'));
    if (file_exists($this->getAssetsPath('skin.css'))) {
        rex_view::addCssFile($this->getAssetsUrl('skin.css'));
    }

    $language = array_unique(
        array_map(
            static function ($l) { return substr($l, 0, 2); },
            array_merge([rex_i18n::getLocale()], rex::getProperty('lang_fallback', []), ['--']),
        ),
    );
    foreach ($language as $lang) {
        $langPath = $this->getAssetsUrl("cache/$lang");
        if (is_dir($langPath)) {
            rex_view::addCssFile("$langPath/markitup_profiles.css");
            rex_view::addJsFile("$langPath/markitup_profiles.js");
            break;
        }
    }
}