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executable file 83 lines (66 sloc) 2.61 KB
<?php
/**
* Plugin Name: Custom Post Type Archives in Nav Menus
* Plugin URI: https://aarondcampbell.com/wordpress-plugin/custom-post-type-archives-in-nav-menus/
* Description: Adds an archive checkbox to the nav menu meta box for Custom Post Types that support archives
* Author: Aaron D. Campbell
* Author URI: https://aarondcampbell.com/
* Version: 0.1.0
*/
class cptArchiveNavMenu {
public function __construct() {
add_action( 'init', array( $this, 'init' ) );
}
public function init() {
if ( version_compare( floatval( get_bloginfo( 'version' ) ), '4.4', '>=' ) ) {
if ( current_user_can( 'activate_plugins' ) ) {
add_action( 'admin_init', array( $this, 'deactivate' ) );
add_action( 'admin_notices', array( $this, 'admin_notice' ) );
}
} else {
add_action( 'admin_head-nav-menus.php', array( $this, 'add_filters' ) );
}
}
public function add_filters() {
$post_type_args = array(
'show_in_nav_menus' => true
);
$post_types = get_post_types( $post_type_args, 'object' );
foreach ( $post_types as $post_type ) {
if ( $post_type->has_archive ) {
add_filter( 'nav_menu_items_' . $post_type->name, array( $this, 'add_archive_checkbox' ), null, 3 );
}
}
}
public function add_archive_checkbox( $posts, $args, $post_type ) {
global $_nav_menu_placeholder, $wp_rewrite;
$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
//dump( $post_type, '$post_type', 'htmlcomment' );
$archive_slug = $post_type['args']->has_archive === true ? $post_type['args']->rewrite['slug'] : $post_type['args']->has_archive;
if ( $post_type['args']->rewrite['with_front'] )
$archive_slug = substr( $wp_rewrite->front, 1 ) . $archive_slug;
else
$archive_slug = $wp_rewrite->root . $archive_slug;
array_unshift( $posts, (object) array(
'ID' => 0,
'object_id' => $_nav_menu_placeholder,
'post_content' => '',
'post_excerpt' => '',
'post_title' => $post_type['args']->labels->all_items,
'post_type' => 'nav_menu_item',
'type' => 'custom',
'url' => site_url( $archive_slug ),
) );
return $posts;
}
public function deactivate() {
deactivate_plugins( plugin_basename( __FILE__ ) );
}
public function admin_notice() {
echo '<div class="updated"><p><strong>Custom Post Type Archives in Nav Menus</strong> was added to WordPress core in 4.4; the plug-in has been <strong>deactivated</strong>.</p></div>';
if ( isset( $_GET['activate'] ) ) {
unset( $_GET['activate'] );
}
}
}
$cptArchiveNavMenu = new cptArchiveNavMenu();