443 lines
18 KiB
PHP
443 lines
18 KiB
PHP
<?php
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/**
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* WordPress Administration for Navigation Menus
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* Interface functions
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*
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* @version 2.0.0
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/** Load WordPress Administration Bootstrap */
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require_once( 'admin.php' );
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// Load all the nav menu interface functions
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require_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
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// Permissions Check
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if ( ! current_user_can('switch_themes') )
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wp_die( __( 'Cheatin’ uh?' ));
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// Nav Menu CSS
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wp_admin_css( 'nav-menu' );
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// jQuery
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wp_enqueue_script( 'jquery' );
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wp_enqueue_script( 'jquery-ui-draggable' );
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wp_enqueue_script( 'jquery-ui-droppable' );
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wp_enqueue_script( 'jquery-ui-sortable' );
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wp_enqueue_script( 'jquery-autocomplete' );
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// Nav Menu functions
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wp_enqueue_script( 'nav-menu' );
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// Metaboxes
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wp_enqueue_script( 'common' );
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wp_enqueue_script( 'wp-lists' );
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wp_enqueue_script( 'postbox' );
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// Container for any messages displayed to the user
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$messages_div = '';
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// Container that stores the name of the active menu
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$nav_menu_selected_title = '';
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// The menu id of the current menu being edited
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$nav_menu_selected_id = isset( $_REQUEST['menu'] ) ? (int) $_REQUEST['menu'] : 0;
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// Allowed actions: add, update, delete
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$action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
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switch ( $action ) {
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case 'add-menu-item':
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if ( current_user_can( 'switch_themes' ) ) {
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check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
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if ( isset( $_REQUEST['menu-item'] ) ) {
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wp_save_nav_menu_item( $nav_menu_selected_id, $_REQUEST['menu-item'] );
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}
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}
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break;
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case 'move-down-menu-item' :
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// moving down a menu item is the same as moving up the next in order
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check_admin_referer( 'move-menu_item' );
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$menu_item_id = (int) $_REQUEST['menu-item'];
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$next_item_id = 0;
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if ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) {
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$menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
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if ( ! is_wp_error( $menus ) ) {
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foreach( (array) $menus as $menu_id ) {
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$move_down_ordered_menu_items = (array) wp_get_nav_menu_items( $menu_id );
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while ( $next = array_shift( $move_down_ordered_menu_items ) ) {
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if ( isset( $next->ID ) && $next->ID == $menu_item_id ) {
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break;
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}
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}
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if ( $following = array_shift( $move_down_ordered_menu_items ) ) {
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$next_item_id = (int) $following->ID;
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}
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}
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}
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}
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// fall through to next case
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case 'move-up-menu-item' :
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check_admin_referer( 'move-menu_item' );
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$menu_item_id = empty( $next_item_id ) ? (int) $_REQUEST['menu-item'] : $next_item_id;
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if ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) {
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$menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
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if ( ! is_wp_error( $menus ) ) {
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foreach( (array) $menus as $menu_id ) {
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$ordered_menu_items = wp_get_nav_menu_items( $menu_id );
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$menu_item_data = get_post( $menu_item_id , ARRAY_A );
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// setup the data we need in one pass through the array of menu items
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$dbids_to_orders = array();
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$orders_to_dbids = array();
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$objectids_to_dbids = array();
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$dbids_to_objectids = array();
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foreach( (array) $ordered_menu_items as $ordered_menu_item_object ) {
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if ( isset( $ordered_menu_item_object->ID ) ) {
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if ( isset( $ordered_menu_item_object->menu_order ) ) {
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$dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
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$orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
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}
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$possible_object_id = (int) get_post_meta( $ordered_menu_item_object->ID, '_menu_item_object_id', true );
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if ( ! empty( $possible_object_id ) ) {
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$dbids_to_objectids[$ordered_menu_item_object->ID] = $possible_object_id;
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$objectids_to_dbids[$possible_object_id] = $ordered_menu_item_object->ID;
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}
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}
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}
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// if this menu item is not first
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if ( ! empty( $dbids_to_orders[$menu_item_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) {
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// if this menu item is a child of the previous
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if (
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! empty( $menu_item_data['post_parent'] ) &&
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isset( $objectids_to_dbids[$menu_item_data['post_parent']] ) &&
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isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) &&
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( $objectids_to_dbids[$menu_item_data['post_parent']] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] )
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) {
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$parent_db_id = $objectids_to_dbids[$menu_item_data['post_parent']];
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$parent_data = get_post( $parent_db_id, ARRAY_A );
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if ( ! is_wp_error( $parent_data ) ) {
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// if there is something before the parent, make menu item a child of the parent's parent
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if ( ! empty( $dbids_to_orders[$parent_db_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) ) {
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$menu_item_data['post_parent'] = $parent_data['post_parent'];
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// else there isn't something before the parent
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} else {
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$menu_item_data['post_parent'] = 0;
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}
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// set former parent's [menu_order] to that of menu-item's
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$parent_data['menu_order'] = $parent_data['menu_order'] + 1;
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// set menu-item's [menu_order] to that of former parent
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$menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1;
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// save changes
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wp_update_post($menu_item_data);
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wp_update_post($parent_data);
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}
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// else this menu item is not a child of the previous
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} elseif ( isset($dbids_to_objectids[$orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1]] ) ) {
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// just make it a child of the previous; keep the order
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$menu_item_data['post_parent'] = (int) $dbids_to_objectids[$orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1]];
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wp_update_post($menu_item_data);
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}
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}
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}
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}
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}
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break;
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case 'delete-menu-item':
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$menu_item_id = (int) $_REQUEST['menu-item'];
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check_admin_referer( 'delete-menu_item_' . $menu_item_id );
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if ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) {
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if ( wp_delete_post( $menu_item_id, true ) ) {
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$messages_div = '<div id="message" class="updated"><p>' . __('The menu item has been successfully deleted.') . '</p></div>';
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}
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}
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break;
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case 'delete':
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check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id );
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if ( is_nav_menu( $nav_menu_selected_id ) ) {
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$delete_nav_menu = wp_delete_nav_menu( $nav_menu_selected_id );
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if ( is_wp_error($delete_nav_menu) ) {
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$messages_div = '<div id="message" class="error"><p>' . $delete_nav_menu->get_error_message() . '</p></div>';
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} else {
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$messages_div = '<div id="message" class="updated"><p>' . __('The menu has been successfully deleted.') . '</p></div>';
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$nav_menu_selected_id = 0; // Reset the selected menu
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}
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unset( $delete_nav_menu );
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}
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break;
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case 'update':
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check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
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// Add Menu
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if ( 0 == $nav_menu_selected_id ) {
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if ( current_theme_supports('nav-menus') || current_theme_supports('widgets') ) {
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$new_menu_title = esc_html( $_POST['menu-name'] );
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if ( $new_menu_title ) {
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$_nav_menu_selected_id = wp_update_nav_menu_object( 0, array('menu-name' => $new_menu_title) );
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if ( is_wp_error( $_nav_menu_selected_id ) ) {
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$messages_div = '<div id="message" class="error"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
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} else {
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$_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
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$nav_menu_selected_id = $_nav_menu_selected_id;
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$nav_menu_selected_title = $_menu_object->name;
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$messages_div = '<div id="message" class="updated"><p>' . sprintf( __('The <strong>%s</strong> menu has been successfully created.'), $nav_menu_selected_title ) . '</p></div>';
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}
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} else {
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$messages_div = '<div id="message" class="error"><p>' . __('Please enter a valid menu name.') . '</p></div>';
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}
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}
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// update existing menu
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} else {
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$_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
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if ( ! is_wp_error( $_menu_object ) ) {
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wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $_POST['menu-name'] ) );
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$nav_menu_selected_title = $_menu_object->name;
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}
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// Update menu items
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if ( ! is_wp_error( $_menu_object ) ) {
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$menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array('orderby' => 'ID', 'output' => ARRAY_A, 'output_key' => 'ID') );
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// Loop through all the menu items' POST variables
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foreach( (array) $_POST['menu-item-db-id'] as $_key => $k ) {
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// Menu item title can't be blank
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if ( '' == $_POST['menu-item-title'][$_key] )
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continue;
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$args = array(
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'menu-item-db-id' => $_POST['menu-item-db-id'][$_key],
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'menu-item-object-id' => $_POST['menu-item-object-id'][$_key],
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'menu-item-object' => $_POST['menu-item-object'][$_key],
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'menu-item-parent-id' => $_POST['menu-item-parent-id'][$_key],
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'menu-item-position' => $_POST['menu-item-position'][$_key],
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'menu-item-type' => $_POST['menu-item-type'][$_key],
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'menu-item-append' => $_POST['menu-item-append'][$_key],
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'menu-item-title' => $_POST['menu-item-title'][$_key],
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'menu-item-url' => $_POST['menu-item-url'][$_key],
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'menu-item-description' => $_POST['menu-item-description'][$_key],
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'menu-item-attr-title' => $_POST['menu-item-attr-title'][$_key],
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'menu-item-target' => $_POST['menu-item-target'][$_key],
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'menu-item-classes' => $_POST['menu-item-classes'][$_key],
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'menu-item-xfn' => $_POST['menu-item-xfn'][$_key],
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);
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$menu_item_db_id = wp_update_nav_menu_item( $nav_menu_selected_id, ( $_POST['menu-item-db-id'][$_key] != $_key ? 0 : $_key ), $args );
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if ( ! is_wp_error( $menu_item_db_id ) && isset( $menu_items[$menu_item_db_id] ) ) {
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unset( $menu_items[$menu_item_db_id] );
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}
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}
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// Remove menu items from the menu that weren't in $_POST
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if ( !empty( $menu_items ) ) {
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foreach ( array_keys( $menu_items ) as $menu_item_id ) {
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wp_delete_post( $menu_item_id );
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}
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}
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do_action( 'wp_update_nav_menu', $nav_menu_selected_id );
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$messages_div = '<div id="message" class="updated"><p>' . sprintf( __('The <strong>%s</strong> menu has been updated.'), $nav_menu_selected_title ) . '</p></div>';
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unset( $menu_items );
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}
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}
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break;
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}
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// Get all nav menus
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$nav_menus = wp_get_nav_menus();
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// Get recently edited nav menu
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$recently_edited = (int) get_user_option( 'nav_menu_recently_edited' );
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// If there was no recently edited menu, and $nav_menu_selected_id is a nav menu, update recently edited menu.
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if ( !$recently_edited && is_nav_menu( $nav_menu_selected_id ) ) {
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$recently_edited = $nav_menu_selected_id;
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// Else if $nav_menu_selected_id is not a menu and not requesting that we create a new menu, but $recently_edited is a menu, grab that one.
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} elseif ( 0 == $nav_menu_selected_id && ! isset( $_REQUEST['menu'] ) && is_nav_menu( $recently_edited ) ) {
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$nav_menu_selected_id = $recently_edited;
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// Else try to grab the first menu from the menus list
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} elseif ( 0 == $nav_menu_selected_id && ! isset( $_REQUEST['menu'] ) && ! empty($nav_menus) ) {
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$nav_menu_selected_id = $nav_menus[0]->term_id;
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}
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// Update the user's setting
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if ( $nav_menu_selected_id != $recently_edited && is_nav_menu( $nav_menu_selected_id ) )
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update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id );
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// If there's a menu, get its name.
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if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) {
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$_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
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$nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : '';
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}
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// The theme supports menus
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if ( current_theme_supports('nav-menus') ) {
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// Register nav menu metaboxes
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wp_nav_menu_meta_boxes_setup();
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// The theme does not support menus but supports widgets
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} elseif ( current_theme_supports('widgets') ) {
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// Register nav menu metaboxes
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wp_nav_menu_meta_boxes_setup();
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$messages_div = '<div id="message" class="error"><p>' . __('The current theme does not natively support menus, but you can use the “Navigation Menu” widget to add any menus you create here to the theme’s sidebar.') . '</p></div>';
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// The theme supports neither menus nor widgets.
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} else {
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remove_meta_box( 'create-menu', 'nav-menus', 'side' );
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$messages_div = '<div id="message" class="error"><p>' . __('The current theme does not support menus.') . '</p></div>';
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}
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// Get the admin header
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require_once( 'admin-header.php' );
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?>
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<div class="wrap nav-edit-wrap">
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<?php screen_icon(); ?>
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<h2><?php esc_html_e('Menus'); ?></h2>
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<?php echo $messages_div; ?>
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<?php if ( current_theme_supports('nav-menus') || current_theme_supports('widgets') ) : ?>
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<div id="menu-settings-column" class="metabox-holder">
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<form id="nav-menu-meta" action="<?php echo admin_url( 'nav-menus.php' ); ?>" class="nav-menu-meta" method="post" enctype="multipart/form-data">
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<input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
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<input type="hidden" name="action" value="add-menu-item" />
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<?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
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<?php do_meta_boxes( 'nav-menus', 'side', null ); ?>
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</form>
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</div><!-- /#menu-settings-column -->
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<div id="menu-management-liquid">
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<div id="menu-management" class="">
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<h2>
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<?php
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foreach( (array) $nav_menus as $_nav_menu ) :
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?>
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<a href="<?php
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echo add_query_arg(
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array(
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'action' => 'edit',
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'menu' => $_nav_menu->term_id,
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),
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admin_url( 'nav-menus.php' )
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);
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?>" class="menu-tabs<?php
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if ( $nav_menu_selected_id != $_nav_menu->term_id )
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echo ' menu-tab-inactive';
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?>"><?php echo esc_html( $_nav_menu->name ); ?></a>
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<?php
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endforeach;
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?>
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<a href="<?php
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echo add_query_arg(
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array(
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'action' => 'edit',
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'menu' => 0,
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),
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admin_url( 'nav-menus.php' )
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);
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?>" class="menu-tabs menu-add-new<?php
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if ( 0 != $nav_menu_selected_id )
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echo ' menu-tab-inactive';
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?>"><?php printf( '<abbr title="%s">+</abbr>', esc_html__( 'Add menu' ) ); ?></a>
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</h2>
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<div class="menu-edit">
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<form id="update-nav-menu" action="<?php echo admin_url( 'nav-menus.php' ); ?>" method="post" enctype="multipart/form-data">
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<div id="submitpost" class="submitbox">
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<div id="minor-publishing">
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<div class="misc-pub-section misc-pub-section-last">
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<label class="howto" for="menu-name">
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<span><?php _e('Name'); ?></span>
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<input id="menu-name" name="menu-name" type="text" class="regular-text menu-item-textbox" value="<?php echo esc_attr( $nav_menu_selected_title ); ?>" />
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<br class="clear" />
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</label>
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</div><!--END .misc-pub-section misc-pub-section-last-->
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<br class="clear" />
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</div><!--END #misc-publishing-actions-->
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<div id="major-publishing-actions">
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<?php if ( ! empty( $nav_menu_selected_id ) ) : ?>
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<div id="delete-action">
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<a class="submitdelete deletion menu-delete" href="<?php echo wp_nonce_url( admin_url('nav-menus.php?action=delete&menu=' . $nav_menu_selected_id), 'delete-nav_menu-' . $nav_menu_selected_id ); ?>"><?php _e('Delete Menu'); ?></a>
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</div><!--END #delete-action-->
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<?php endif; ?>
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<div id="publishing-action">
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<input class="button-primary" name="save_menu" type="submit" value="<?php esc_attr_e('Save Menu'); ?>" />
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</div><!--END #publishing-action-->
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<br class="clear" />
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</div><!--END #major-publishing-actions-->
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</div><!--END #submitpost .submitbox-->
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<?php wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); ?>
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<?php wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); ?>
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<?php wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' ); ?>
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<input type="hidden" name="action" value="update" />
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<input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
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<input type="hidden" id="hidden-metaboxes" value="<?php echo wp_initial_nav_menu_meta_boxes(); ?>" />
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<div id="post-body">
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<div id="post-body-content">
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<?php if ( is_nav_menu( $nav_menu_selected_id ) && ( current_theme_supports('nav-menus') || current_theme_supports('widgets') ) ) : ?>
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<ul class="menu" id="menu-to-edit">
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|
<?php
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$edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id );
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|
if ( ! is_wp_error( $edit_markup ) ) {
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|
echo $edit_markup;
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|
}
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|
?>
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|
</ul>
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|
<?php elseif ( empty($nav_menu_selected_id) ):
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|
echo '<p>' . __('To create your first custom menu, give it a name above, then choose items like pages, categories or custom links from the left column to add to this menu.') . '</p>';
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|
echo '<p>' . __('After you have added your items, drag and drop to put them in the order you want, and click each item to reveal additional configuration options.') . '</p>';
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|
echo '<p>' . __('When you are finished building your custom menu, make sure you click the Save Menu button above.') . '</p>';
|
|
echo '<p>' . __('You can create multiple menus. You can also display custom menus using the new "Custom Menu" widget.') . '</p>';
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|
echo '<p>' . __('For more information on this feature, see the <a href="codex link">Custom Menus</a> article in the Codex.') . '</p>';
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|
endif; ?>
|
|
<br class="clear" />
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|
</div><!-- /#post-body-content-->
|
|
</div><!--- /#post-body -->
|
|
</form><!--/#update-nav-menu-->
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|
</div><!-- /.menu-edit -->
|
|
</div><!-- /#menu-management -->
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|
</div><!-- /#menu-management-liquid -->
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|
<?php endif; // if menus supported in current theme ?>
|
|
</div><!-- /.wrap-->
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|
|
|
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<?php include( 'admin-footer.php' ); ?>
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