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A basic plugin showing how to add menu metaboxes to admin menu page
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<?php | |
/** | |
* @package Custom_menu_admin | |
* @version 1.0 | |
*/ | |
/* | |
Plugin Name: Custom menu admin | |
Plugin URI: http://wordpress.org/extend/plugins/# | |
Description: This is an example plugin | |
Author: Carlo Daniele | |
Version: 1.0 | |
Author URI: http://carlodaniele.it/en/ | |
*/ | |
/** | |
* Add menu meta box | |
* | |
* @param object $object The meta box object | |
* @link https://developer.wordpress.org/reference/functions/add_meta_box/ | |
*/ | |
function custom_add_menu_meta_box( $object ) { | |
add_meta_box( 'custom-menu-metabox', __( 'Authors' ), 'custom_menu_meta_box', 'nav-menus', 'side', 'default' ); | |
return $object; | |
} | |
add_filter( 'nav_menu_meta_box_object', 'custom_add_menu_meta_box', 10, 1); | |
/** | |
* Displays a metabox for authors menu item. | |
* | |
* @global int|string $nav_menu_selected_id (id, name or slug) of the currently-selected menu | |
* | |
* @link https://core.trac.wordpress.org/browser/tags/4.5/src/wp-admin/includes/nav-menu.php | |
* @link https://core.trac.wordpress.org/browser/tags/4.5/src/wp-admin/includes/class-walker-nav-menu-edit.php | |
* @link https://core.trac.wordpress.org/browser/tags/4.5/src/wp-admin/includes/class-walker-nav-menu-checklist.php | |
*/ | |
function custom_menu_meta_box(){ | |
global $nav_menu_selected_id; | |
$walker = new Walker_Nav_Menu_Checklist(); | |
$current_tab = 'all'; | |
$authors = get_users( array( 'orderby' => 'nicename', 'order' => 'ASC', 'who' => 'authors' ) ); | |
$admins = array(); | |
if ( isset( $_REQUEST['authorarchive-tab'] ) && 'admins' == $_REQUEST['authorarchive-tab'] ) { | |
$current_tab = 'admins'; | |
}elseif ( isset( $_REQUEST['authorarchive-tab'] ) && 'all' == $_REQUEST['authorarchive-tab'] ) { | |
$current_tab = 'all'; | |
} | |
/* set values to required item properties */ | |
foreach ( $authors as &$author ) { | |
$author->classes = array(); | |
$author->type = 'custom'; | |
$author->object_id = $author->ID; | |
$author->title = $author->nickname . ' - ' . implode(', ', $author->roles); | |
$author->object = 'custom'; | |
$author->url = get_author_posts_url( $author->ID ); | |
$author->attr_title = $author->displayname; | |
if( $author->has_cap( 'edit_users' ) ){ | |
$admins[] = $author; | |
} | |
} | |
$removed_args = array( 'action', 'customlink-tab', 'edit-menu-item', 'menu-item', 'page-tab', '_wpnonce' ); | |
?> | |
<div id="authorarchive" class="categorydiv"> | |
<ul id="authorarchive-tabs" class="authorarchive-tabs add-menu-item-tabs"> | |
<li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>> | |
<a class="nav-tab-link" data-type="tabs-panel-authorarchive-all" href="<?php if ( $nav_menu_selected_id ) echo esc_url( add_query_arg( 'authorarchive-tab', 'all', remove_query_arg( $removed_args ) ) ); ?>#tabs-panel-authorarchive-all"> | |
<?php _e( 'View All' ); ?> | |
</a> | |
</li><!-- /.tabs --> | |
<li <?php echo ( 'admins' == $current_tab ? ' class="tabs"' : '' ); ?>> | |
<a class="nav-tab-link" data-type="tabs-panel-authorarchive-admins" href="<?php if ( $nav_menu_selected_id ) echo esc_url( add_query_arg( 'authorarchive-tab', 'admins', remove_query_arg( $removed_args ) ) ); ?>#tabs-panel-authorarchive-admins"> | |
<?php _e( 'Admins' ); ?> | |
</a> | |
</li><!-- /.tabs --> | |
</ul> | |
<div id="tabs-panel-authorarchive-all" class="tabs-panel tabs-panel-view-all <?php echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>"> | |
<ul id="authorarchive-checklist-all" class="categorychecklist form-no-clear"> | |
<?php | |
echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $authors), 0, (object) array( 'walker' => $walker) ); | |
?> | |
</ul> | |
</div><!-- /.tabs-panel --> | |
<div id="tabs-panel-authorarchive-admins" class="tabs-panel tabs-panel-view-admins <?php echo ( 'admins' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>"> | |
<ul id="authorarchive-checklist-admins" class="categorychecklist form-no-clear"> | |
<?php | |
echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $admins), 0, (object) array( 'walker' => $walker) ); | |
?> | |
</ul> | |
</div><!-- /.tabs-panel --> | |
<p class="button-controls wp-clearfix"> | |
<span class="list-controls"> | |
<a href="<?php echo esc_url( add_query_arg( array( 'authorarchive-tab' => 'all', 'selectall' => 1, ), remove_query_arg( $removed_args ) )); ?>#authorarchive" class="select-all"><?php _e('Select All'); ?></a> | |
</span> | |
<span class="add-to-menu"> | |
<input type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-authorarchive-menu-item" id="submit-authorarchive" /> | |
<span class="spinner"></span> | |
</span> | |
</p> | |
</div><!-- /.categorydiv --> | |
<?php | |
} |
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