komplet admin-bar.php

<?php
/**
 * Admin Bar
 *
 * This code handles the building and rendering of the press bar.
 */

/**
 * Instantiate the admin bar object and set it up as a global for access elsewhere.
 *
 * To hide the admin bar, you're looking in the wrong place. Unhooking this function will not
 * properly remove the admin bar. For that, use show_admin_bar(false) or the show_admin_bar filter.
 *
 * @since 3.1.0
 * @access private
 * @return bool Whether the admin bar was successfully initialized.
 */
function _wp_admin_bar_init() {
    global $wp_admin_bar;

    if ( ! is_admin_bar_showing() )
        return false;

    /* Load the admin bar class code ready for instantiation */
    require( ABSPATH . WPINC . '/class-wp-admin-bar.php' );

    /* Instantiate the admin bar */
    $admin_bar_class = apply_filters( 'wp_admin_bar_class', 'WP_Admin_Bar' );
    if ( class_exists( $admin_bar_class ) )
        $wp_admin_bar = new $admin_bar_class;
    else
        return false;

    $wp_admin_bar->initialize();
    $wp_admin_bar->add_menus();

    return true;
}
add_action( 'init', '_wp_admin_bar_init' ); // Don't remove. Wrong way to disable.

/**
 * Render the admin bar to the page based on the $wp_admin_bar->menu member var.
 * This is called very late on the footer actions so that it will render after anything else being
 * added to the footer.
 *
 * It includes the action "admin_bar_menu" which should be used to hook in and
 * add new menus to the admin bar. That way you can be sure that you are adding at most optimal point,
 * right before the admin bar is rendered. This also gives you access to the $post global, among others.
 *
 * @since 3.1.0
 */
function wp_admin_bar_render() {
    global $wp_admin_bar;

    if ( ! is_admin_bar_showing() || ! is_object( $wp_admin_bar ) )
        return false;

    do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );

    do_action( 'wp_before_admin_bar_render' );

    $wp_admin_bar->render();

    do_action( 'wp_after_admin_bar_render' );
}
add_action( 'wp_footer', 'wp_admin_bar_render', 1000 );
add_action( 'in_admin_header', 'wp_admin_bar_render', 0 );

/**
 * Add the WordPress logo menu.
 *
 * @since 3.3.0
 */
function wp_admin_bar_wp_menu( $wp_admin_bar ) {
    $wp_admin_bar->add_menu( array(
        'id'    => 'wp-logo',
        'title' => '<span class="ab-icon"></span>',
        'href'  => self_admin_url( 'about.php' ),
        'meta'  => array(
            'title' => __('About WordPress'),
        ),
    ) );

    if ( is_user_logged_in() ) {
        // Add "About WordPress" link
        $wp_admin_bar->add_menu( array(
            'parent' => 'wp-logo',
            'id'     => 'about',
            'title'  => __('About WordPress'),
            'href'  => self_admin_url( 'about.php' ),
        ) );
    }

    // Add WordPress.org link
    $wp_admin_bar->add_menu( array(
        'parent'    => 'wp-logo-external',
        'id'        => 'wporg',
        'title'     => __('WordPress.org'),
        'href'      => __('http://wordpress.org/'),
    ) );

    // Add codex link
    $wp_admin_bar->add_menu( array(
        'parent'    => 'wp-logo-external',
        'id'        => 'documentation',
        'title'     => __('Documentation'),
        'href'      => __('http://codex.wordpress.org/'),
    ) );

    // Add forums link
    $wp_admin_bar->add_menu( array(
        'parent'    => 'wp-logo-external',
        'id'        => 'support-forums',
        'title'     => __('Support Forums'),
        'href'      => __('http://wordpress.org/support/'),
    ) );

    // Add feedback link
    $wp_admin_bar->add_menu( array(
        'parent'    => 'wp-logo-external',
        'id'        => 'feedback',
        'title'     => __('Feedback'),
        'href'      => __('http://wordpress.org/support/forum/requests-and-feedback'),
    ) );
}

/* Soukrome zpravy admin bar*/



add_action('admin_bar_menu', 'add_toolbar_items', 100);
function add_toolbar_items($admin_bar){

    // ziskani poctu zprav (vsechny + neprectene)
    global $wpdb, $current_user;
        $num_pm = $wpdb->get_var( 'SELECT COUNT(*) FROM ' . $wpdb->prefix . 'pm WHERE `recipient` = "' . $current_user->user_login . '" AND `deleted` != "2"' );
        $num_unread = $wpdb->get_var( 'SELECT COUNT(*) FROM ' . $wpdb->prefix . 'pm WHERE `recipient` = "' . $current_user->user_login . '" AND `read` = 0 AND `deleted` != "2"' );

        if ( empty( $num_pm ) ) {
            $num_pm = 0;
        }

        if ( empty( $num_unread ) ) {
            $num_unread = 0;
            $nazev = 'Soukromé zprávy';
            $titulek = 'Žádné nové zprávy';
        }

        else {
            $nazev = 'Soukromé zprávy (' . $num_unread . ')';
            $titulek = $num_unread . 'nové zprávy';

        }



    $admin_bar->add_menu( array(
        'id'    => 'my-item',
        'title' => $nazev,
        'href'  => self_admin_url('/admin.php?page=rwpm_inbox'),
        'meta'  => array(
            'title' => $titulek
        ),
    ));
    $admin_bar->add_menu( array(
        'id'    => 'my-sub-item',
        'parent' => 'my-item',
        'title' => 'Odeslat zprávu',
        'href'  => self_admin_url('/admin.php?page=rwpm_send'),
        'meta'  => array(
            'title' => __('Odeslat zprávu'),
            'target' => '_blank',
            'class' => 'my_menu_item_class'
        ),
    ));
    $admin_bar->add_menu( array(
        'id'    => 'my-second-sub-item',
        'parent' => 'my-item',
        'title' => 'Odeslané',
        'href'  => self_admin_url('/admin.php?page=rwpm_outbox'),
        'meta'  => array(
            'title' => __('Odeslané'),
/*          'target' => '_blank',*/
            'class' => 'my_menu_item_class'
        ),
    ));
}

/* Konec Soukrome zpravy admin bar*/



/**
 * Add the "My Account" item.
 *
 * @since 3.3.0
 */
function wp_admin_bar_my_account_item( $wp_admin_bar ) {
    $user_id      = get_current_user_id();
    $current_user = wp_get_current_user();
    $profile_url  = get_edit_profile_url( $user_id );

    if ( ! $user_id )
        return;

    $avatar = get_avatar( $user_id, 16 );
    $howdy  = sprintf( __('Howdy, %1$s'), $current_user->display_name );
    $class  = empty( $avatar ) ? '' : 'with-avatar';

    $wp_admin_bar->add_menu( array(
        'id'        => 'my-account',
        'parent'    => 'top-secondary',
        'title'     => $howdy . $avatar,
        'href'      => $profile_url,
        'meta'      => array(
            'class'     => $class,
            'title'     => __('My Account'),
        ),
    ) );
}

/**
 * Add the "My Account" submenu items.
 *
 * @since 3.1.0
 */
function wp_admin_bar_my_account_menu( $wp_admin_bar ) {
    $user_id      = get_current_user_id();
    $current_user = wp_get_current_user();
    $profile_url  = get_edit_profile_url( $user_id );

    if ( ! $user_id )
        return;

    $wp_admin_bar->add_group( array(
        'parent' => 'my-account',
        'id'     => 'user-actions',
    ) );

    $user_info  = get_avatar( $user_id, 64 );
    $user_info .= "<span class='display-name'>{$current_user->display_name}</span>";

    if ( $current_user->display_name !== $current_user->user_nicename )
        $user_info .= "<span class='username'>{$current_user->user_nicename}</span>";

    $wp_admin_bar->add_menu( array(
        'parent' => 'user-actions',
        'id'     => 'user-info',
        'title'  => $user_info,
        'href'   => $profile_url,
        'meta'   => array(
            'tabindex' => -1,
        ),
    ) );
    $wp_admin_bar->add_menu( array(
        'parent' => 'user-actions',
        'id'     => 'edit-profile',
        'title'  => __( 'Edit My Profile' ),
        'href' => $profile_url,
    ) );
    $wp_admin_bar->add_menu( array(
        'parent' => 'user-actions',
        'id'     => 'logout',
        'title'  => __( 'Log Out' ),
        'href'   => wp_logout_url(),
    ) );
}

/**
 * Add the "Site Name" menu.
 *
 * @since 3.3.0
 */
function wp_admin_bar_site_menu( $wp_admin_bar ) {
    global $current_site;

    // Don't show for logged out users.
    if ( ! is_user_logged_in() )
        return;

    // Show only when the user is a member of this site, or they're a super admin.
    if ( ! is_user_member_of_blog() && ! is_super_admin() )
        return;

    $blogname = get_bloginfo('name');

    if ( empty( $blogname ) )
        $blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );

    if ( is_network_admin() ) {
        $blogname = sprintf( __('Network Admin: %s'), esc_html( $current_site->site_name ) );
    } elseif ( is_user_admin() ) {
        $blogname = sprintf( __('Global Dashboard: %s'), esc_html( $current_site->site_name ) );
    }

    $title = wp_html_excerpt( $blogname, 40 );
    if ( $title != $blogname )
        $title = trim( $title ) . '&hellip;';

    $wp_admin_bar->add_menu( array(
        'id'    => 'site-name',
        'title' => $title,
        'href'  => is_admin() ? home_url( '/' ) : admin_url(),
    ) );

    // Create submenu items.

    if ( is_admin() ) {
        // Add an option to visit the site.
        $wp_admin_bar->add_menu( array(
            'parent' => 'site-name',
            'id'     => 'view-site',
            'title'  => __( 'Visit Site' ),
            'href'   => home_url( '/' ),
        ) );

        if ( is_blog_admin() && is_multisite() && current_user_can( 'manage_sites' ) ) {
            $wp_admin_bar->add_menu( array(
                'parent' => 'site-name',
                'id'     => 'edit-site',
                'title'  => __( 'Edit Site' ),
                'href'   => network_admin_url( 'site-info.php?id=' . get_current_blog_id() ),
            ) );
        }

    } else {
        // We're on the front end, link to the Dashboard.
        $wp_admin_bar->add_menu( array(
            'parent' => 'site-name',
            'id'     => 'dashboard',
            'title'  => __( 'Dashboard' ),
            'href'   => admin_url(),
        ) );

        // Add the appearance submenu items.
        wp_admin_bar_appearance_menu( $wp_admin_bar );
    }
}

/**
 * Add the "My Sites/[Site Name]" menu and all submenus.
 *
 * @since 3.1.0
 */
function wp_admin_bar_my_sites_menu( $wp_admin_bar ) {
    global $wpdb;

    // Don't show for logged out users or single site mode.
    if ( ! is_user_logged_in() || ! is_multisite() )
        return;

    // Show only when the user has at least one site, or they're a super admin.
    if ( count( $wp_admin_bar->user->blogs ) < 1 && ! is_super_admin() )
        return;

    $wp_admin_bar->add_menu( array(
        'id'    => 'my-sites',
        'title' => __( 'My Sites' ),
        'href'  => admin_url( 'my-sites.php' ),
    ) );

    if ( is_super_admin() ) {
        $wp_admin_bar->add_group( array(
            'parent' => 'my-sites',
            'id'     => 'my-sites-super-admin',
        ) );

        $wp_admin_bar->add_menu( array(
            'parent' => 'my-sites-super-admin',
            'id'     => 'network-admin',
            'title'  => __('Network Admin'),
            'href'   => network_admin_url(),
        ) );

        $wp_admin_bar->add_menu( array(
            'parent' => 'network-admin',
            'id'     => 'network-admin-d',
            'title'  => __( 'Dashboard' ),
            'href'   => network_admin_url(),
        ) );
        $wp_admin_bar->add_menu( array(
            'parent' => 'network-admin',
            'id'     => 'network-admin-s',
            'title'  => __( 'Sites' ),
            'href'   => network_admin_url( 'sites.php' ),
        ) );
        $wp_admin_bar->add_menu( array(
            'parent' => 'network-admin',
            'id'     => 'network-admin-u',
            'title'  => __( 'Users' ),
            'href'   => network_admin_url( 'users.php' ),
        ) );
        $wp_admin_bar->add_menu( array(
            'parent' => 'network-admin',
            'id'     => 'network-admin-v',
            'title'  => __( 'Visit Network' ),
            'href'   => network_home_url(),
        ) );
    }

    // Add site links
    $wp_admin_bar->add_group( array(
        'parent' => 'my-sites',
        'id'     => 'my-sites-list',
        'meta'   => array(
            'class' => is_super_admin() ? 'ab-sub-secondary' : '',
        ),
    ) );

    $blue_wp_logo_url = includes_url('images/wpmini-blue.png');

    foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {
        // @todo Replace with some favicon lookup.
        //$blavatar = '<img src="' . esc_url( blavatar_url( blavatar_domain( $blog->siteurl ), 'img', 16, $blue_wp_logo_url ) ) . '" alt="Blavatar" width="16" height="16" />';
        $blavatar = '<img src="' . esc_url($blue_wp_logo_url) . '" alt="' . esc_attr__( 'Blavatar' ) . '" width="16" height="16" class="blavatar"/>';

        $blogname = empty( $blog->blogname ) ? $blog->domain : $blog->blogname;
        $menu_id  = 'blog-' . $blog->userblog_id;

        $wp_admin_bar->add_menu( array(
            'parent'    => 'my-sites-list',
            'id'        => $menu_id,
            'title'     => $blavatar . $blogname,
            'href'      => get_admin_url( $blog->userblog_id ),
        ) );

        $wp_admin_bar->add_menu( array(
            'parent' => $menu_id,
            'id'     => $menu_id . '-d',
            'title'  => __( 'Dashboard' ),
            'href'   => get_admin_url( $blog->userblog_id ),
        ) );

        if ( current_user_can_for_blog( $blog->userblog_id, 'edit_posts' ) ) {
            $wp_admin_bar->add_menu( array(
                'parent' => $menu_id,
                'id'     => $menu_id . '-n',
                'title'  => __( 'New Post' ),
                'href'   => get_admin_url( $blog->userblog_id, 'post-new.php' ),
            ) );
            $wp_admin_bar->add_menu( array(
                'parent' => $menu_id,
                'id'     => $menu_id . '-c',
                'title'  => __( 'Manage Comments' ),
                'href'   => get_admin_url( $blog->userblog_id, 'edit-comments.php' ),
            ) );
        }

        $wp_admin_bar->add_menu( array(
            'parent' => $menu_id,
            'id'     => $menu_id . '-v',
            'title'  => __( 'Visit Site' ),
            'href'   => get_home_url( $blog->userblog_id, '/' ),
        ) );
    }
}

/**
 * Provide a shortlink.
 *
 * @since 3.1.0
 */
function wp_admin_bar_shortlink_menu( $wp_admin_bar ) {
    $short = wp_get_shortlink( 0, 'query' );
    $id = 'get-shortlink';

    if ( empty( $short ) )
        return;

    $html = '<input class="shortlink-input" type="text" readonly="readonly" value="' . esc_attr( $short ) . '" />';

    $wp_admin_bar->add_menu( array(
        'id' => $id,
        'title' => __( 'Shortlink' ),
        'href' => $short,
        'meta' => array( 'html' => $html ),
    ) );
}

/**
 * Provide an edit link for posts and terms.
 *
 * @since 3.1.0
 */
function wp_admin_bar_edit_menu( $wp_admin_bar ) {
    global $post, $tag, $wp_the_query;

    if ( is_admin() ) {
        $current_screen = get_current_screen();

        if ( 'post' == $current_screen->base
            && 'add' != $current_screen->action
            && ( $post_type_object = get_post_type_object( $post->post_type ) )
            && current_user_can( $post_type_object->cap->read_post, $post->ID )
            && ( $post_type_object->public ) )
        {
            $wp_admin_bar->add_menu( array(
                'id' => 'view',
                'title' => $post_type_object->labels->view_item,
                'href' => get_permalink( $post->ID )
            ) );
        } elseif ( 'edit-tags' == $current_screen->base
            && isset( $tag ) && is_object( $tag )
            && ( $tax = get_taxonomy( $tag->taxonomy ) )
            && $tax->public )
        {
            $wp_admin_bar->add_menu( array(
                'id' => 'view',
                'title' => $tax->labels->view_item,
                'href' => get_term_link( $tag )
            ) );
        }
    } else {
        $current_object = $wp_the_query->get_queried_object();

        if ( empty( $current_object ) )
            return;

        if ( ! empty( $current_object->post_type )
            && ( $post_type_object = get_post_type_object( $current_object->post_type ) )
            && current_user_can( $post_type_object->cap->edit_post, $current_object->ID )
            && ( $post_type_object->show_ui || 'attachment' == $current_object->post_type ) )
        {
            $wp_admin_bar->add_menu( array(
                'id' => 'edit',
                'title' => $post_type_object->labels->edit_item,
                'href' => get_edit_post_link( $current_object->ID )
            ) );
        } elseif ( ! empty( $current_object->taxonomy )
            && ( $tax = get_taxonomy( $current_object->taxonomy ) )
            && current_user_can( $tax->cap->edit_terms )
            && $tax->show_ui )
        {
            $wp_admin_bar->add_menu( array(
                'id' => 'edit',
                'title' => $tax->labels->edit_item,
                'href' => get_edit_term_link( $current_object->term_id, $current_object->taxonomy )
            ) );
        }
    }
}

/**
 * Add "Add New" menu.
 *
 * @since 3.1.0
 */
function wp_admin_bar_new_content_menu( $wp_admin_bar ) {
    $actions = array();

    $cpts = (array) get_post_types( array( 'show_in_admin_bar' => true ), 'objects' );

    if ( isset( $cpts['post'] ) && current_user_can( $cpts['post']->cap->edit_posts ) ) {
        $actions[ 'post-new.php' ] = array( $cpts['post']->labels->name_admin_bar, 'new-post' );
        unset( $cpts['post'] );
    }

    if ( current_user_can( 'upload_files' ) )
        $actions[ 'media-new.php' ] = array( _x( 'Media', 'add new from admin bar' ), 'new-media' );

    if ( current_user_can( 'manage_links' ) )
        $actions[ 'link-add.php' ] = array( _x( 'Link', 'add new from admin bar' ), 'new-link' );

    if ( isset( $cpts['page'] ) && current_user_can( $cpts['page']->cap->edit_posts ) ) {
        $actions[ 'post-new.php?post_type=page' ] = array( $cpts['page']->labels->name_admin_bar, 'new-page' );
        unset( $cpts['page'] );
    }

    // Add any additional custom post types.
    foreach ( $cpts as $cpt ) {
        if ( ! current_user_can( $cpt->cap->edit_posts ) )
            continue;

        $key = 'post-new.php?post_type=' . $cpt->name;
        $actions[ $key ] = array( $cpt->labels->name_admin_bar, 'new-' . $cpt->name );
    }

    if ( current_user_can( 'create_users' ) || current_user_can( 'promote_users' ) )
        $actions[ 'user-new.php' ] = array( _x( 'User', 'add new from admin bar' ), 'new-user' );

    if ( ! $actions )
        return;

    $title = '<span class="ab-icon"></span><span class="ab-label">' . _x( 'New', 'admin bar menu group label' ) . '</span>';

    $wp_admin_bar->add_menu( array(
        'id'    => 'new-content',
        'title' => $title,
        'href'  => admin_url( current( array_keys( $actions ) ) ),
        'meta'  => array(
            'title' => _x( 'Add New', 'admin bar menu group label' ),
        ),
    ) );

    foreach ( $actions as $link => $action ) {
        list( $title, $id ) = $action;

        $wp_admin_bar->add_menu( array(
            'parent'    => 'new-content',
            'id'        => $id,
            'title'     => $title,
            'href'      => admin_url( $link )
        ) );
    }
}

/**
 * Add edit comments link with awaiting moderation count bubble.
 *
 * @since 3.1.0
 */
function wp_admin_bar_comments_menu( $wp_admin_bar ) {
    if ( !current_user_can('edit_posts') )
        return;

    $awaiting_mod = wp_count_comments();
    $awaiting_mod = $awaiting_mod->moderated;
    $awaiting_title = esc_attr( sprintf( _n( '%s comment awaiting moderation', '%s comments awaiting moderation', $awaiting_mod ), number_format_i18n( $awaiting_mod ) ) );

    $icon  = '<span class="ab-icon"></span>';
    $title = '<span id="ab-awaiting-mod" class="ab-label awaiting-mod pending-count count-' . $awaiting_mod . '">' . number_format_i18n( $awaiting_mod ) . '</span>';

    $wp_admin_bar->add_menu( array(
        'id'    => 'comments',
        'title' => $icon . $title,
        'href'  => admin_url('edit-comments.php'),
        'meta'  => array( 'title' => $awaiting_title ),
    ) );
}

/**
 * Add appearance submenu items to the "Site Name" menu.
 *
 * @since 3.1.0
 */
function wp_admin_bar_appearance_menu( $wp_admin_bar ) {
    $wp_admin_bar->add_group( array( 'parent' => 'site-name', 'id' => 'appearance' ) );

    if ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) )
        $wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'themes', 'title' => __('Themes'), 'href' => admin_url('themes.php') ) );

    if ( ! current_user_can( 'edit_theme_options' ) )
        return;

    $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
    $wp_admin_bar->add_menu( array(
        'parent' => 'appearance',
        'id'     => 'customize',
        'title'  => __('Customize'),
        'href'   => add_query_arg( 'url', urlencode( $current_url ), wp_customize_url() ),
        'meta'   => array(
            'class' => 'hide-if-no-customize',
        ),
    ) );
    add_action( 'wp_before_admin_bar_render', 'wp_customize_support_script' );

    if ( current_theme_supports( 'widgets' )  )
        $wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'widgets', 'title' => __('Widgets'), 'href' => admin_url('widgets.php') ) );

     if ( current_theme_supports( 'menus' ) || current_theme_supports( 'widgets' ) )
        $wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'menus', 'title' => __('Menus'), 'href' => admin_url('nav-menus.php') ) );

    if ( current_theme_supports( 'custom-background' ) )
        $wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'background', 'title' => __('Background'), 'href' => admin_url('themes.php?page=custom-background') ) );

    if ( current_theme_supports( 'custom-header' ) )
        $wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'header', 'title' => __('Header'), 'href' => admin_url('themes.php?page=custom-header') ) );
}

/**
 * Provide an update link if theme/plugin/core updates are available.
 *
 * @since 3.1.0
 */
function wp_admin_bar_updates_menu( $wp_admin_bar ) {

    $update_data = wp_get_update_data();

    if ( !$update_data['counts']['total'] )
        return;

    $title = '<span class="ab-icon"></span><span class="ab-label">' . number_format_i18n( $update_data['counts']['total'] ) . '</span>';

    $wp_admin_bar->add_menu( array(
        'id'    => 'updates',
        'title' => $title,
        'href'  => network_admin_url( 'update-core.php' ),
        'meta'  => array(
            'title' => $update_data['title'],
        ),
    ) );
}

/**
 * Add search form.
 *
 * @since 3.3.0
 */
function wp_admin_bar_search_menu( $wp_admin_bar ) {
    if ( is_admin() )
        return;

    $form  = '<form action="' . esc_url( home_url( '/' ) ) . '" method="get" id="adminbarsearch">';
    $form .= '<input class="adminbar-input" name="s" id="adminbar-search" tabindex="10" type="text" value="" maxlength="150" />';
    $form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '"/>';
    $form .= '</form>';

    $wp_admin_bar->add_menu( array(
        'parent' => 'top-secondary',
        'id'     => 'search',
        'title'  => $form,
        'meta'   => array(
            'class'    => 'admin-bar-search',
            'tabindex' => -1,
        )
    ) );
}

/**
 * Add secondary menus.
 *
 * @since 3.3.0
 */
function wp_admin_bar_add_secondary_groups( $wp_admin_bar ) {
    $wp_admin_bar->add_group( array(
        'id'     => 'top-secondary',
        'meta'   => array(
            'class' => 'ab-top-secondary',
        ),
    ) );

    $wp_admin_bar->add_group( array(
        'parent' => 'wp-logo',
        'id'     => 'wp-logo-external',
        'meta'   => array(
            'class' => 'ab-sub-secondary',
        ),
    ) );
}

/**
 * Style and scripts for the admin bar.
 *
 * @since 3.1.0
 *
 */
function wp_admin_bar_header() { ?>
<style type="text/css" media="print">#wpadminbar { display:none; }</style>
<?php
}

/**
 * Default admin bar callback.
 *
 * @since 3.1.0
 *
 */
function _admin_bar_bump_cb() { ?>
<style type="text/css" media="screen">
    html { margin-top: 28px !important; }
    * html body { margin-top: 28px !important; }
</style>
<?php
}

/**
 * Set the display status of the admin bar.
 *
 * This can be called immediately upon plugin load. It does not need to be called from a function hooked to the init action.
 *
 * @since 3.1.0
 *
 * @param bool $show Whether to allow the admin bar to show.
 * @return void
 */
function show_admin_bar( $show ) {
    global $show_admin_bar;
    $show_admin_bar = (bool) $show;
}

/**
 * Determine whether the admin bar should be showing.
 *
 * @since 3.1.0
 *
 * @return bool Whether the admin bar should be showing.
 */
function is_admin_bar_showing() {
    global $show_admin_bar, $pagenow;

    // For all these types of requests, we never want an admin bar.
    if ( defined('XMLRPC_REQUEST') || defined('APP_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )
        return false;

    // Integrated into the admin.
    if ( is_admin() )
        return true;

    if ( ! isset( $show_admin_bar ) ) {
        if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {
            $show_admin_bar = false;
        } else {
            $show_admin_bar = _get_admin_bar_pref();
        }
    }

    $show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );

    return $show_admin_bar;
}

/**
 * Retrieve the admin bar display preference of a user.
 *
 * @since 3.1.0
 * @access private
 *
 * @param string $context Context of this preference check. Defaults to 'front'. The 'admin'
 *  preference is no longer used.
 * @param int $user Optional. ID of the user to check, defaults to 0 for current user.
 * @return bool Whether the admin bar should be showing for this user.
 */
function _get_admin_bar_pref( $context = 'front', $user = 0 ) {
    $pref = get_user_option( "show_admin_bar_{$context}", $user );
    if ( false === $pref )
        return true;

    return 'true' === $pref;
}?>