<?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'),

	) );

}

/**

 * 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 ) . '…';

	$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' : '',

		),

	) );

	foreach ( (array) $wp_admin_bar->user->blogs as $blog ) {

		switch_to_blog( $blog->userblog_id );

		$blavatar = '<div class="blavatar"></div>';

		$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'      => admin_url(),

		) );

		$wp_admin_bar->add_menu( array(

			'parent' => $menu_id,

			'id'     => $menu_id . '-d',

			'title'  => __( 'Dashboard' ),

			'href'   => admin_url(),

		) );

		if ( current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {

			$wp_admin_bar->add_menu( array(

				'parent' => $menu_id,

				'id'     => $menu_id . '-n',

				'title'  => __( 'New Post' ),

				'href'   => admin_url( 'post-new.php' ),

			) );

		}

		if ( current_user_can( 'edit_posts' ) ) {

			$wp_admin_bar->add_menu( array(

				'parent' => $menu_id,

				'id'     => $menu_id . '-c',

				'title'  => __( 'Manage Comments' ),

				'href'   => admin_url( 'edit-comments.php' ),

			) );

		}

		$wp_admin_bar->add_menu( array(

			'parent' => $menu_id,

			'id'     => $menu_id . '-v',

			'title'  => __( 'Visit Site' ),

			'href'   => home_url( '/' ),

		) );

		restore_current_blog();

	}

}

/**

 * 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 $tag, $wp_the_query;

	if ( is_admin() ) {

		$current_screen = get_current_screen();

		$post = get_post();