bootstrap-blog.php

<?php

namespace Grav\Theme;

use Grav\Common\Grav;
use Grav\Common\Theme;

class BootstrapBlog extends Theme
{

    public static function getSubscribedEvents()
    {
        return [
            'onThemeInitialized' => ['onThemeInitialized', 0]
        ];
    }

    /**
     * Get Taxonomies on item selector
     * @static
     */
    public static function getTaxonomies()
    {
        return Grav::instance()['config']->get('site.taxonomies') ?: [];
    }

    /**
     * Initialize configuration
     */
    public function onThemeInitialized()
    {
        if ($this->isAdmin()) {
            return;
        }

        if ($this->config->get('themes.bootstrap-blog.enabled')) {
            $this->enable([
                'onAssetsInitialized' => ['onAssetsInitialized', 0]
            ]);
        }

    }

    /**
     * Creates collection Bootstrap Blog for CSS and JS files
     */
    public function onAssetsInitialized()
    {
        $config = $this->config->get('themes.bootstrap-blog');

        $collection = [];

        if ($config['cdn_enabled']) {
            $collection[] = 'https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css';
            $collection[] = 'https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap-reboot.min.css';
            $collection[] = 'https://use.fontawesome.com/releases/v5.14.0/css/all.css';
            $collection[] = 'https://use.fontawesome.com/releases/v5.14.0/css/brands.css';
            $collection[] = 'https://code.jquery.com/jquery-3.3.1.min.js';
            $collection[] = 'https://unpkg.com/popper.js@1.15.0/dist/umd/popper.min.js';
            $collection[] = 'https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js';

        } else {

            $collection[] = 'theme://assets/css-compiled/bootstrap/bootstrap.css';
            $collection[] = 'theme://assets/css-compiled/bootstrap/bootstrap-reboot.css';
            $collection[] = 'theme://assets/css/fontawesome.css';
            $collection[] = 'theme://assets/css/solid.css';
            $collection[] = 'theme://assets/css/regular.css';
            $collection[] = 'theme://assets/css/brands.css';
            $collection[] = 'theme://assets/css/normalize.css';
            $collection[] = 'theme://assets/js/jquery-3.3.1.min.js';
            $collection[] = 'theme://assets/js/popper.min.js';
            $collection[] = 'theme://assets/js/bootstrap.min.js';
        }

        $collection[] = 'theme://assets/css-compiled/bootstrap-blog.css';
        $collection[] = 'theme://assets/js/bootstrap_blog.js';
        
        $assets = $this->grav['assets'];
        $assets->registerCollection('bootstrap-blog', $collection);
        $assets->add('bootstrap-blog', 100);
    }
}