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.
*
* @since 3.1.0
* @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' );
/**
* 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;
$wp_admin_bar->load_user_locale_translations();
do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) );
do_action( 'wp_before_admin_bar_render' );
$wp_admin_bar->render();
do_action( 'wp_after_admin_bar_render' );
$wp_admin_bar->unload_user_locale_translations();
}
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() {
global $wp_admin_bar, $user_identity;
$user_id = get_current_user_id();
if ( 0 != $user_id ) {
/* Add the 'My Account' menu */
$avatar = get_avatar( get_current_user_id(), 16 );
$id = ( ! empty( $avatar ) ) ? 'my-account-with-avatar' : 'my-account';
$wp_admin_bar->add_menu( array( 'id' => $id, 'title' => $avatar . $user_identity, 'href' => get_edit_profile_url( $user_id ) ) );
/* Add the "My Account" sub menus */
$wp_admin_bar->add_menu( array( 'parent' => $id, 'title' => __( 'Edit My Profile' ), 'href' => get_edit_profile_url( $user_id ) ) );
if ( is_multisite() )
$wp_admin_bar->add_menu( array( 'parent' => $id, 'title' => __( 'Dashboard' ), 'href' => get_dashboard_url( $user_id ) ) );
else
$wp_admin_bar->add_menu( array( 'parent' => $id, 'title' => __( 'Dashboard' ), 'href' => admin_url() ) );
$wp_admin_bar->add_menu( array( 'parent' => $id, 'title' => __( 'Log Out' ), 'href' => wp_logout_url() ) );
}
}
/**
* Add the "My Sites/[Site Name]" menu and all submenus.
*
* @since 3.1.0
*/
function wp_admin_bar_my_sites_menu() {
global $wpdb, $wp_admin_bar;
/* Add the 'My Sites' menu if the user has more than one site. */
if ( count( $wp_admin_bar->user->blogs ) <= 1 )
return;
$wp_admin_bar->add_menu( array( 'id' => 'my-blogs', 'title' => __( 'My Sites' ), 'href' => admin_url( 'my-sites.php' ) ) );
$default = 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, $default ) ) . '" alt="Blavatar" width="16" height="16" />';
$blavatar = '<img src="' . esc_url($default) . '" alt="' . esc_attr__( 'Blavatar' ) . '" width="16" height="16" class="blavatar"/>';
$blogname = empty( $blog->blogname ) ? $blog->domain : $blog->blogname;
if ( strlen( $blogname ) > 15 )
$blogname = substr( $blogname, 0, 15 ) . '&hellip;';
$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) ) );
}
}
/**
* Provide a shortlink.
*
* @since 3.1.0
*/
function wp_admin_bar_shortlink_menu() {
global $wp_admin_bar;
$short = wp_get_shortlink( 0, 'query' );
if ( ! empty( $short) )
$wp_admin_bar->add_menu( array( 'id' => 'get-shortlink', 'title' => __( 'Shortlink' ), 'href' => $short ) );
}
/**
* Provide an edit link for posts and terms.
*
* @since 3.1.0
*/
function wp_admin_bar_edit_menu () {
global $wp_admin_bar;
$current_object = get_queried_object();
if ( empty($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 ) ) {
$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 ) ) {
$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() {
global $wp_admin_bar;
$actions = array();
foreach ( (array) get_post_types( array( 'show_ui' => true ), 'objects' ) as $ptype_obj ) {
if ( true !== $ptype_obj->show_in_menu || ! current_user_can( $ptype_obj->cap->edit_posts ) )
continue;
$actions[ 'post-new.php?post_type=' . $ptype_obj->name ] = array( $ptype_obj->labels->singular_name, $ptype_obj->cap->edit_posts, 'new-' . $ptype_obj->name );
}
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() {
global $wp_admin_bar;
if ( !current_user_can('edit_posts') )
return;
$awaiting_mod = wp_count_comments();
$awaiting_mod = $awaiting_mod->moderated;
$awaiting_mod = $awaiting_mod ? "<span id='ab-awaiting-mod' class='pending-count'>" . number_format_i18n( $awaiting_mod ) . "</span>" : '';
$wp_admin_bar->add_menu( array( 'id' => 'comments', 'title' => sprintf( __('Comments %s'), $awaiting_mod ), '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() {
global $wp_admin_bar;
if ( !current_user_can('switch_themes') )
return;
$wp_admin_bar->add_menu( array( 'id' => 'appearance', 'title' => __('Appearance'), 'href' => admin_url('themes.php') ) );
if ( !current_user_can('edit_theme_options') )
return;
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') ) );
}
/**
* Provide an update link if theme/plugin/core updates are available.
*
* @since 3.1.0
*/
function wp_admin_bar_updates_menu() {
global $wp_admin_bar;
if ( !current_user_can('install_plugins') )
return;
$plugin_update_count = $theme_update_count = $wordpress_update_count = 0;
$update_plugins = get_site_transient( 'update_plugins' );
if ( !empty($update_plugins->response) )
$plugin_update_count = count( $update_plugins->response );
$update_themes = get_site_transient( 'update_themes' );
if ( !empty($update_themes->response) )
$theme_update_count = count( $update_themes->response );
/* @todo get_core_updates() is only available on admin page loads
$update_wordpress = get_core_updates( array('dismissed' => false) );
if ( !empty($update_wordpress) && !in_array( $update_wordpress[0]->response, array('development', 'latest') ) )
$wordpress_update_count = 1;
*/
$update_count = $plugin_update_count + $theme_update_count + $wordpress_update_count;
if ( !$update_count )
return;
$update_title = array();
if ( $wordpress_update_count )
$update_title[] = sprintf(__('%d WordPress Update'), $wordpress_update_count);
if ( $plugin_update_count )
$update_title[] = sprintf(_n('%d Plugin Update', '%d Plugin Updates', $plugin_update_count), $plugin_update_count);
if ( $theme_update_count )
$update_title[] = sprintf(_n('%d Theme Update', '%d Themes Updates', $theme_update_count), $theme_update_count);
$update_title = !empty($update_title) ? esc_attr(implode(', ', $update_title)) : '';
$update_title = "<span title='$update_title'>";
$update_title .= sprintf( __('Updates %s'), "<span id='ab-updates' class='update-count'>" . number_format_i18n($update_count) . '</span>' );
$update_title .= '</span>';
$wp_admin_bar->add_menu( array( 'id' => 'updates', 'title' => $update_title, 'href' => network_admin_url( 'update-core.php' ) ) );
}
/**
* 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">body { padding-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;
/* 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() ) {
$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 'admin' != $context || is_multisite();
return 'true' === $pref;
}
/**
* Add the admin bar display preferences to user profiles.
*
* @since 3.1.0
* @access private
*/
function _admin_bar_preferences( $profileuser ) {
?>
<tr>
<th scope="row"><?php _e('Show Admin Bar')?></th>
<td><fieldset><legend class="screen-reader-text"><span><?php _e('Show Admin Bar') ?></span></legend>
<label for="admin_bar_front">
<input name="admin_bar_front" type="checkbox" id="admin_bar_front" value="1" <?php checked( _get_admin_bar_pref( 'front', $profileuser->ID ) ); ?> />
<?php /* translators: Show admin bar when viewing site */ _e( 'when viewing site' ); ?></label><br />
<label for="admin_bar_admin">
<input name="admin_bar_admin" type="checkbox" id="admin_bar_admin" value="1" <?php checked( _get_admin_bar_pref( 'admin', $profileuser->ID ) ); ?> />
<?php /* translators: Show admin bar in dashboard */ _e( 'in dashboard' ); ?></label>
</td>
</tr>
<?php
}
add_action( 'personal_options', '_admin_bar_preferences' );
?>