kilbot/WooCommerce-POS

<?php

/**
 * POS System Status Class
 *
 * @package    WCPOS\Admin_Status
 * @author   Paul Kilmurray <paul@kilbot.com.au>
 * @link     http://www.wcpos.com
 */

namespace WCPOS\Admin;

use WCPOS\Template;

class Status extends Page {

    /* @var string JS var with page id, used for API requests */
    public $wcpos_adminpage = 'admin_system_status';

    /**
     * @var array settings handlers
     */
    static public $handlers = array(
        'tools' => '\WCPOS\Admin\Settings\Tools',
        'status' => '\WCPOS\Admin\Settings\Status'
    );

    /**
     * Add Settings page to admin menu
     */
    public function admin_menu() {
        $this->screen_id = add_submenu_page(
            \WCPOS\PLUGIN_NAME,
            /* translators: woocommerce */
            __( 'System Status', 'woocommerce' ),
            /* translators: woocommerce */
            __( 'System Status', 'woocommerce' ),
            'manage_woocommerce_pos',
            'wcpos_system_status',
            array( $this, 'display_system_status_page' )
        );

        parent::admin_menu();
    }

    /**
     * Output the settings pages
     */
    public function display_system_status_page() {
        include 'views/settings.php';
    }

    /**
     * Returns array of settings classes
     * @return mixed|void
     */
    static public function handlers() {
        return apply_filters( 'woocommerce_pos_admin_system_status_handlers', self::$handlers );
    }

    /**
     * Settings scripts
     */
    public function enqueue_admin_scripts() {
        global $wp_scripts;
        $wp_scripts->queue = array();

        // deregister scripts
        wp_deregister_script( 'jquery' );
        wp_deregister_script( 'underscore' );
        wp_deregister_script( 'select2' );
        wp_deregister_script( 'backbone' );

        // register
        $external_libs = Template::get_external_js_libraries();
        wp_register_script( 'jquery', $external_libs['jquery'], false, null, true );
        wp_register_script( 'lodash', $external_libs['lodash'], array( 'jquery' ), null, true );
        wp_register_script( 'backbone', $external_libs['backbone'], array( 'jquery', 'lodash' ), null, true );
        wp_register_script( 'backbone.radio', $external_libs['radio'], array(
            'jquery',
            'backbone',
            'lodash'
        ), null, true );
        wp_register_script( 'marionette', $external_libs['marionette'], array(
            'jquery',
            'backbone',
            'lodash'
        ), null, true );
        wp_register_script( 'handlebars', $external_libs['handlebars'], false, null, true );
        wp_register_script( 'accounting', $external_libs['accounting'], false, null, true );

        $build = defined( '\SCRIPT_DEBUG' ) && \SCRIPT_DEBUG ? 'build' : 'min';

        wp_enqueue_script(
            'eventsource-polyfill',
            \WCPOS\PLUGIN_URL . 'assets/js/vendor/eventsource.min.js',
            array(),
            null,
            true
        );

        wp_enqueue_script(
            \WCPOS\PLUGIN_NAME . '-admin-system-status-app',
            \WCPOS\PLUGIN_URL . 'assets/js/admin-system-status.' . $build . '.js',
            array( 'backbone', 'backbone.radio', 'marionette', 'handlebars', 'accounting', 'moment' ),
            \WCPOS\VERSION,
            true
        );
    }

}