Adds a WordPress menu option to include archives for public post types.
<?php
function ccd_add_metabox_menu_posttype_archive() {
add_meta_box( 'ccd_metabox_menu_posttype_archive', __( 'Archives' ), 'ccd_metabox_menu_posttype_archive', 'nav-menus', 'side', 'default' );
}
add_action( 'admin_head-nav-menus.php', 'ccd_add_metabox_menu_posttype_archive' );
function ccd_metabox_menu_posttype_archive() {
$post_types = get_post_types( array( 'show_in_nav_menus' => true, 'has_archive' => true ), 'object' );
if ( $post_types ) {
foreach ( $post_types as $post_type ) {
$post_type->classes = array( $post_type->name );
$post_type->type = $post_type->name;
$post_type->object_id = $post_type->name;
$post_type->title = $post_type->labels->name;
$post_type->object = 'cpt_archive';
}
$walker = new Walker_Nav_Menu_Checklist( array() );?>
<div id="cpt-archive" class="posttypediv">
<div id="tabs-panel-cpt-archive" class="tabs-panel tabs-panel-active">
<ul id="ctp-archive-checklist" class="categorychecklist form-no-clear"><?php
echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', $post_types ), 0, (object) array( 'walker' => $walker ) );?>
</ul>
</div>
</div>
<p class="button-controls">
<span class="add-to-menu">
<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e( 'Add to Menu' ); ?>" name="add-ctp-archive-menu-item" id="submit-cpt-archive" />
</span>
</p><?php
}
}
function ccd_cpt_archive_menu_filter( $items, $menu, $args ) {
foreach ( $items as &$item ) {
if ( $item->object != 'cpt_archive' ) continue;
$item->url = get_post_type_archive_link( $item->type );
if ( get_query_var( 'post_type' ) == $item->type ) {
$item->classes []= 'current-menu-item';
$item->current = true;
}
}
return $items;
}
add_filter( 'wp_get_nav_menu_items', 'ccd_cpt_archive_menu_filter', 10, 3 );
?>
WordPress Snippet