398 lines
8.0 KiB
PHP
398 lines
8.0 KiB
PHP
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<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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if ( ! class_exists( 'acf_form_nav_menu' ) ) :
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class acf_form_nav_menu {
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/*
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* __construct
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*
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* This function will setup the class functionality
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function __construct() {
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// actions
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add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
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add_action( 'wp_update_nav_menu', array( $this, 'update_nav_menu' ) );
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add_action( 'acf/validate_save_post', array( $this, 'acf_validate_save_post' ), 5 );
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add_action( 'wp_nav_menu_item_custom_fields', array( $this, 'wp_nav_menu_item_custom_fields' ), 10, 5 );
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// filters
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add_filter( 'wp_get_nav_menu_items', array( $this, 'wp_get_nav_menu_items' ), 10, 3 );
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add_filter( 'wp_edit_nav_menu_walker', array( $this, 'wp_edit_nav_menu_walker' ), 10, 2 );
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}
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/*
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* admin_enqueue_scripts
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*
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* This action is run after post query but before any admin script / head actions.
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* It is a good place to register all actions.
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*
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* @type action (admin_enqueue_scripts)
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* @date 26/01/13
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* @since 3.6.0
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*
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* @param N/A
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* @return N/A
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*/
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function admin_enqueue_scripts() {
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// validate screen
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if ( ! acf_is_screen( 'nav-menus' ) ) {
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return;
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}
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// load acf scripts
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acf_enqueue_scripts();
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// actions
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add_action( 'admin_footer', array( $this, 'admin_footer' ), 1 );
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}
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/**
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* wp_nav_menu_item_custom_fields
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*
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* description
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*
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* @date 30/7/18
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* @since 5.6.9
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*
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* @param type $var Description. Default.
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* @return type Description.
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*/
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function wp_nav_menu_item_custom_fields( $item_id, $item, $depth, $args, $id = '' ) {
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// vars
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$prefix = "menu-item-acf[$item_id]";
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// get field groups
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$field_groups = acf_get_field_groups(
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array(
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'nav_menu_item' => $item->type,
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'nav_menu_item_id' => $item_id,
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'nav_menu_item_depth' => $depth,
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)
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);
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// render
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if ( ! empty( $field_groups ) ) {
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// open
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echo '<div class="acf-menu-item-fields acf-fields -clear">';
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// loop
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foreach ( $field_groups as $field_group ) {
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// load fields
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$fields = acf_get_fields( $field_group );
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// bail if not fields
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if ( empty( $fields ) ) {
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continue;
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}
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// change prefix
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acf_prefix_fields( $fields, $prefix );
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// render
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acf_render_fields( $fields, $item_id, 'div', $field_group['instruction_placement'] );
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}
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// close
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echo '</div>';
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// Trigger append for newly created menu item (via AJAX)
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if ( acf_is_ajax( 'add-menu-item' ) ) : ?>
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<script type="text/javascript">
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(function($) {
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acf.doAction('append', $('#menu-item-settings-<?php echo $item_id; ?>') );
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})(jQuery);
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</script>
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<?php
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endif;
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}
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}
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/*
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* update_nav_menu
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*
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* description
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*
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* @type function
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* @date 26/5/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function update_nav_menu( $menu_id ) {
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// vars
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$post_id = 'term_' . $menu_id;
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// verify and remove nonce
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if ( ! acf_verify_nonce( 'nav_menu' ) ) {
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return $menu_id;
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}
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// validate and show errors
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acf_validate_save_post( true );
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// save
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acf_save_post( $post_id );
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// save nav menu items
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$this->update_nav_menu_items( $menu_id );
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}
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/*
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* update_nav_menu_items
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*
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* description
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*
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* @type function
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* @date 26/5/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function update_nav_menu_items( $menu_id ) {
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// phpcs:disable WordPress.Security.NonceVerification.Missing -- Verified elsewhere.
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if ( empty( $_POST['menu-item-acf'] ) ) {
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return;
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}
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$posted_values = acf_sanitize_request_args( $_POST['menu-item-acf'] );
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foreach ( $posted_values as $post_id => $values ) {
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acf_save_post( $post_id, $values );
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}
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// phpcs:enable WordPress.Security.NonceVerification.Missing
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}
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/**
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* wp_get_nav_menu_items
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*
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* WordPress does not provide an easy way to find the current menu being edited.
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* This function listens to when a menu's items are loaded and stores the menu.
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* Needed on nav-menus.php page for new menu with no items
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*
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* @date 23/2/18
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* @since 5.6.9
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*
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* @param type $var Description. Default.
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* @return type Description.
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*/
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function wp_get_nav_menu_items( $items, $menu, $args ) {
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acf_set_data( 'nav_menu_id', $menu->term_id );
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return $items;
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}
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/**
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* Called when WP renders a menu edit form.
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* Used to set global data and customize the Walker class.
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*
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* @date 26/5/17
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* @since 5.6.0
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*
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* @param string $class The walker class to use. Default 'Walker_Nav_Menu_Edit'.
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* @param int $menu_id ID of the menu being rendered.
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* @return string
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*/
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function wp_edit_nav_menu_walker( $class, $menu_id = 0 ) {
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// update data (needed for ajax location rules to work)
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acf_set_data( 'nav_menu_id', $menu_id );
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// Return class.
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return $class;
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}
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/*
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* acf_validate_save_post
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*
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* This function will loop over $_POST data and validate
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*
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* @type action 'acf/validate_save_post' 5
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* @date 7/09/2016
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* @since 5.4.0
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*
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* @param n/a
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* @return n/a
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*/
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function acf_validate_save_post() {
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// phpcs:disable WordPress.Security.NonceVerification.Missing -- Verified elsewhere.
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if ( empty( $_POST['menu-item-acf'] ) ) {
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return;
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}
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$posted_values = acf_sanitize_request_args( $_POST['menu-item-acf'] );
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foreach ( $posted_values as $post_id => $values ) {
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// vars
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$prefix = 'menu-item-acf[' . $post_id . ']';
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// validate
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acf_validate_values( $values, $prefix );
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}
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// phpcs:enable // phpcs:disable WordPress.Security.NonceVerification.Missing
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}
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/*
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* admin_footer
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*
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* This function will add some custom HTML to the footer of the edit page
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*
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* @type function
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* @date 11/06/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function admin_footer() {
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// vars
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$nav_menu_id = acf_get_data( 'nav_menu_id' );
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$post_id = 'term_' . $nav_menu_id;
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// get field groups
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$field_groups = acf_get_field_groups(
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array(
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'nav_menu' => $nav_menu_id,
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)
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);
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?>
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<div id="tmpl-acf-menu-settings" style="display: none;">
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<?php
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// data (always needed to save nav menu items)
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acf_form_data(
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array(
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'screen' => 'nav_menu',
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'post_id' => $post_id,
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'ajax' => 1,
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)
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);
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// render
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if ( ! empty( $field_groups ) ) {
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// loop
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foreach ( $field_groups as $field_group ) {
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$fields = acf_get_fields( $field_group );
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echo '<div class="acf-menu-settings -' . $field_group['style'] . '">';
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echo '<h2>' . $field_group['title'] . '</h2>';
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echo '<div class="acf-fields -left -clear">';
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acf_render_fields( $fields, $post_id, 'div', $field_group['instruction_placement'] );
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echo '</div>';
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echo '</div>';
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}
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}
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?>
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</div>
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<script type="text/javascript">
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(function($) {
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// append html
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var html = $('#tmpl-acf-menu-settings').html();
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$('#tmpl-acf-menu-settings').remove();
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$('#post-body-content').append( html );
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// avoid WP over-writing $_POST data
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// - https://core.trac.wordpress.org/ticket/41502#ticket
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$(document).on('submit', '#update-nav-menu', function() {
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// vars
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var $form = $(this);
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var $input = $('input[name="nav-menu-data"]');
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// decode json
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var json = $form.serializeArray();
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var json2 = [];
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// loop
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$.each( json, function( i, pair ) {
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// avoid nesting (unlike WP)
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if( pair.name === 'nav-menu-data' ) return;
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// bail early if is 'acf[' input
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if( pair.name.indexOf('acf[') > -1 ) return;
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// append
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json2.push( pair );
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});
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// update
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$input.val( JSON.stringify(json2) );
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});
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})(jQuery);
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</script>
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<?php
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}
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}
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acf_new_instance( 'acf_form_nav_menu' );
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endif;
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?>
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