WordPress/wp-includes/admin-bar.php

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<?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( 'admin_footer', 'wp_admin_bar_render', 1000 );
/**
* Add the "My Account" menu and all submenus.
*
* @since 3.1.0
*/
function wp_admin_bar_my_account_menu( $wp_admin_bar ) {
global $user_identity;
$user_id = get_current_user_id();
if ( 0 != $user_id ) {
/* Add the 'My Account' menu */
$avatar = get_avatar( get_current_user_id(), 28 );
$id = ( ! empty( $avatar ) ) ? 'my-account-with-avatar' : 'my-account';
$howdy = sprintf( __('Howdy, %1$s'), $user_identity );
$wp_admin_bar->add_menu( array( 'id' => $id, 'title' => $howdy . $avatar, 'href' => get_edit_profile_url( $user_id ) ) );
/* Add the "My Account" sub menus */
$wp_admin_bar->add_menu( array( 'id' => 'edit-profile', 'parent' => $id, 'title' => __( 'Edit My Profile' ), 'href' => get_edit_profile_url( $user_id ) ) );
$wp_admin_bar->add_menu( array( 'id' => 'logout', 'parent' => $id, 'title' => __( 'Log Out' ), 'href' => wp_logout_url() ) );
}
}
/**
* Add the "Blog Name" menu in the front end.
*
* @since 3.3.0
*/
function wp_admin_bar_blog_front_menu( $wp_admin_bar ) {
if ( ! is_user_logged_in() )
return;
$blogname = get_bloginfo('name');
if ( empty( $blogname ) )
$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
$wp_admin_bar->add_menu( array(
'id' => 'blog-name',
'title' => $blogname,
'href' => admin_url(),
) );
// Add Dashboard item.
$wp_admin_bar->add_menu( array(
'id' => 'dashboard',
'title' => __( 'Dashboard' ),
'href' => admin_url(),
'parent' => 'blog-name',
) );
wp_admin_bar_appearance_menu( $wp_admin_bar );
}
/**
* Add the "Blog Name" menu in the admin.
*
* @since 3.3.0
*/
function wp_admin_bar_blog_admin_menu( $wp_admin_bar ) {
global $current_site;
if ( is_network_admin() ) {
$title = sprintf( __('Network Admin: %s'), esc_html($current_site->site_name) );
$url = '#';
} elseif ( is_user_admin() ) {
$title = sprintf( __('Global Dashboard: %s'), esc_html($current_site->site_name) );
$url = '#';
} else {
$title = get_bloginfo('name');
$url = get_home_url();
if ( empty( $title ) )
$title = preg_replace( '#^(https?://)?(www.)?#', '', $url );
}
$wp_admin_bar->add_menu( array(
'id' => 'blog-name',
'title' => $title,
'href' => $url,
) );
}
/**
* 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;
/* Add the 'My Sites' menu if the user has more than one site. */
// if ( count( $wp_admin_bar->user->blogs ) <= 1 )
// return;
$grey_wp_logo_url = admin_url( 'images/wp-logo.png' );
$grey_wp_logo = '<img src="' . esc_url( $grey_wp_logo_url ) . '" alt="' . esc_attr__( 'Blavatar' ) . '" width="16" height="16" class="blavatar"/>';
if ( is_multisite() )
$url = admin_url( 'my-sites.php' );
else
$url = admin_url();
$wp_admin_bar->add_menu( array(
'id' => 'my-blogs',
'title' => $grey_wp_logo,
'href' => $url,
) );
// Add network admin link
if ( is_multisite() && is_super_admin() && ! is_network_admin() ) {
$wp_admin_bar->add_menu( array(
'parent' => 'my-blogs',
'id' => 'network-admin',
'title' => __('Network Admin'),
'href' => network_admin_url(),
) );
}
if ( is_user_logged_in() ) {
// Add blog links
$blue_wp_logo_url = includes_url('images/wpmini-blue.png');
foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {
// Skip the current blog (unless we're in the network/user admin).
if ( $blog->userblog_id == get_current_blog_id() && ! is_network_admin() && ! is_user_admin() ) {
continue;
}
// @todo Replace with some favicon lookup.
//$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;
$wp_admin_bar->add_menu( array( 'parent' => 'my-blogs', 'id' => 'blog-' . $blog->userblog_id, 'title' => $blavatar . $blogname, 'href' => get_admin_url($blog->userblog_id) ) );
$wp_admin_bar->add_menu( array( 'parent' => 'blog-' . $blog->userblog_id, 'id' => 'blog-' . $blog->userblog_id . '-d', 'title' => __( 'Dashboard' ), 'href' => get_admin_url($blog->userblog_id) ) );
if ( current_user_can_for_blog( $blog->userblog_id, 'edit_posts' ) ) {
$wp_admin_bar->add_menu( array( 'parent' => 'blog-' . $blog->userblog_id, 'id' => 'blog-' . $blog->userblog_id . '-n', 'title' => __( 'New Post' ), 'href' => get_admin_url($blog->userblog_id, 'post-new.php') ) );
$wp_admin_bar->add_menu( array( 'parent' => 'blog-' . $blog->userblog_id, 'id' => 'blog-' . $blog->userblog_id . '-c', 'title' => __( 'Manage Comments' ), 'href' => get_admin_url($blog->userblog_id, 'edit-comments.php') ) );
}
$wp_admin_bar->add_menu( array( 'parent' => 'blog-' . $blog->userblog_id, 'id' => 'blog-' . $blog->userblog_id . '-v', 'title' => __( 'Visit Site' ), 'href' => get_home_url($blog->userblog_id) ) );
}
}
// Add WordPress.org link
$wp_admin_bar->add_menu( array(
'parent' => 'my-blogs',
'id' => 'wporg',
'title' => __('WordPress.org'),
'href' => 'http://wordpress.org',
) );
}
/**
* 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;
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 {
$current_object = get_queried_object();
if ( empty($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();
foreach ( (array) get_post_types( array( 'show_in_admin_bar' => true ), 'objects' ) as $ptype_obj ) {
if ( ! current_user_can( $ptype_obj->cap->edit_posts ) )
continue;
$actions[ 'post-new.php?post_type=' . $ptype_obj->name ] = array( $ptype_obj->labels->name_admin_bar, $ptype_obj->cap->edit_posts, 'new-' . $ptype_obj->name );
}
if ( current_user_can( 'upload_files' ) )
$actions[ 'media-new.php' ] = array( _x( 'Media', 'add new from admin bar' ), 'upload_files', 'new-media' );
if ( current_user_can( 'manage_links' ) )
$actions[ 'link-add.php' ] = array( _x( 'Link', 'add new from admin bar' ), 'manage_links', 'new-link' );
if ( current_user_can( 'create_users' ) || current_user_can( 'promote_users' ) )
$actions[ 'user-new.php' ] = array( _x( 'User', 'add new from admin bar' ), 'create_users', 'new-user' );
if ( ! is_multisite() && current_user_can( 'install_themes' ) )
$actions[ 'theme-install.php' ] = array( _x( 'Theme', 'add new from admin bar' ), 'install_themes', 'new-theme' );
if ( ! is_multisite() && current_user_can( 'install_plugins' ) )
$actions[ 'plugin-install.php' ] = array( _x( 'Plugin', 'add new from admin bar' ), 'install_plugins', 'new-plugin' );
if ( empty( $actions ) )
return;
$wp_admin_bar->add_menu( array( 'id' => 'new-content', 'title' => _x( 'Add New', 'admin bar menu group label' ), 'href' => admin_url( array_shift( array_keys( $actions ) ) ) ) );
foreach ( $actions as $link => $action ) {
$wp_admin_bar->add_menu( array( 'parent' => 'new-content', 'id' => $action[2], 'title' => $action[0], 'href' => admin_url($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 = number_format_i18n( $awaiting_mod->moderated );
$bubble = "<div class='ab-comments-bubble'>";
$bubble .= "<div class='ab-comments-count'>$awaiting_mod</div>";
$bubble .= "<div class='ab-comments-arrow'></div>";
$bubble .= "</div>";
$wp_admin_bar->add_menu( array(
'id' => 'comments',
'title' => $bubble,
'href' => admin_url('edit-comments.php'),
) );
}
/**
* Add "Appearance" menu with widget and nav menu submenu.
*
* @since 3.1.0
*/
function wp_admin_bar_appearance_menu( $wp_admin_bar ) {
// You can have edit_theme_options but not switch_themes.
if ( ! current_user_can('switch_themes') && ! current_user_can( 'edit_theme_options' ) )
return;
$wp_admin_bar->add_menu( array(
'id' => 'appearance',
'title' => __('Appearance'),
'href' => admin_url('themes.php'),
'parent' => 'blog-name',
) );
if ( ! current_user_can( 'edit_theme_options' ) )
return;
if ( current_user_can( 'switch_themes' ) )
$wp_admin_bar->add_menu( array( 'parent' => 'appearance', 'id' => 'themes', 'title' => __('Themes'), 'href' => admin_url('themes.php') ) );
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;
$update_title = "<span title='{$update_data['title']}'>";
$update_title .= sprintf( __('Updates %s'), "<span id='ab-updates' class='update-count'>" . number_format_i18n($update_data['counts']['total']) . '</span>' );
$update_title .= '</span>';
$wp_admin_bar->add_menu( array( 'id' => 'updates', 'title' => $update_title, 'href' => network_admin_url( 'update-core.php' ) ) );
}
/**
* Add screen options link.
*
* @since 3.3.0
*/
function wp_admin_bar_screen_options_menu( $wp_admin_bar ) {
$wp_admin_bar->add_menu( array(
'id' => 'screen-options',
'title' => __('Screen Options'),
'href' => '#',
'meta' => array(
'class' => 'screen-meta-toggle hide-if-no-js',
),
) );
}
/**
* Add help link.
*
* @since 3.3.0
*/
function wp_admin_bar_help_menu( $wp_admin_bar ) {
$wp_admin_bar->add_menu( array(
'id' => 'help',
'title' => __('Help'),
'href' => '#',
'meta' => array(
'class' => 'screen-meta-toggle hide-if-no-js',
),
) );
}
/**
* Add search form.
*
* @since 3.3.0
*/
function wp_admin_bar_search_menu( $wp_admin_bar ) {
$form = '<div id="adminbarsearch-wrap">';
$form .= '<form action="' . home_url() . '" method="get" id="adminbarsearch">';
$form .= '<input class="adminbar-input" name="s" id="adminbar-search"';
$form .= 'type="text" value="" maxlength="150" placeholder="' . esc_attr__( 'Search' ) . '" />';
$form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '"/>';
$form .= '</form>';
$form .= '</div>';
$wp_admin_bar->add_menu( array(
'id' => 'search',
'title' => $form,
'href' => '#',
'meta' => array(
'class' => 'admin-bar-search',
// @TODO: Replace me with something far less hacky
'onclick' => 'if ( event.target.value != "Search" ) { return false; }',
),
) );
}
/**
* 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 request we never want an admin bar period */
if ( defined('XMLRPC_REQUEST') || defined('APP_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )
return false;
if ( ! isset( $show_admin_bar ) ) {
if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {
$show_admin_bar = false;
} else {
$context = is_admin() ? 'admin' : 'front';
$show_admin_bar = _get_admin_bar_pref( $context );
}
}
$show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );
return $show_admin_bar;
}
/**
* Retrieve the admin bar display preference of a user based on context.
*
* @since 3.1.0
* @access private
*
* @param string $context Context of this preference check, either 'admin' or 'front'.
* @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, $user = 0 ) {
$pref = get_user_option( "show_admin_bar_{$context}", $user );
if ( false === $pref )
return true;
return 'true' === $pref;
}
?>