mirror of
https://git.sindominio.net/estibadores/wordpress.git
synced 2024-09-20 15:24:00 +02:00
270 lines
9.7 KiB
PHP
270 lines
9.7 KiB
PHP
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<?php
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/**
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* Manages custom menus translations as well as the language switcher menu item on admin side
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*
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* @since 1.2
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*/
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class PLL_Admin_Nav_Menu extends PLL_Nav_Menu {
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/**
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* Constructor: setups filters and actions
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*
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* @since 1.2
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*
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* @param object $polylang
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*/
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public function __construct( &$polylang ) {
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parent::__construct( $polylang );
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// Populates nav menus locations
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// Since WP 4.4, must be done before customize_register is fired
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add_filter( 'theme_mod_nav_menu_locations', array( $this, 'theme_mod_nav_menu_locations' ), 20 );
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// Integration in the WP menu interface
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add_action( 'admin_init', array( $this, 'admin_init' ) ); // after Polylang upgrade
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}
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/**
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* Setups filters and terms
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* adds the language switcher metabox and create new nav menu locations
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*
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* @since 1.1
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*/
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public function admin_init() {
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add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
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add_action( 'wp_update_nav_menu_item', array( $this, 'wp_update_nav_menu_item' ), 10, 2 );
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// Translation of menus based on chosen locations
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add_filter( 'pre_update_option_theme_mods_' . $this->theme, array( $this, 'pre_update_option_theme_mods' ) );
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add_action( 'delete_nav_menu', array( $this, 'delete_nav_menu' ) );
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// FIXME is it possible to choose the order ( after theme locations in WP3.5 and older ) ?
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// FIXME not displayed if Polylang is activated before the first time the user goes to nav menus http://core.trac.wordpress.org/ticket/16828
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add_meta_box( 'pll_lang_switch_box', __( 'Language switcher', 'polylang' ), array( $this, 'lang_switch' ), 'nav-menus', 'side', 'high' );
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$this->create_nav_menu_locations();
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}
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/**
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* Language switcher metabox
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* The checkbox and all hidden fields are important
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* Thanks to John Morris for his very interesting post http://www.johnmorrisonline.com/how-to-add-a-fully-functional-custom-meta-box-to-wordpress-navigation-menus/
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*
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* @since 1.1
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*/
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public function lang_switch() {
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global $_nav_menu_placeholder, $nav_menu_selected_id;
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$_nav_menu_placeholder = 0 > $_nav_menu_placeholder ? $_nav_menu_placeholder - 1 : -1;
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?>
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<div id="posttype-lang-switch" class="posttypediv">
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<div id="tabs-panel-lang-switch" class="tabs-panel tabs-panel-active">
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<ul id="lang-switch-checklist" class="categorychecklist form-no-clear">
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<li>
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<label class="menu-item-title">
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<input type="checkbox" class="menu-item-checkbox" name="menu-item[<?php echo (int) $_nav_menu_placeholder; ?>][menu-item-object-id]" value="-1"> <?php esc_html_e( 'Languages', 'polylang' ); ?>
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</label>
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<input type="hidden" class="menu-item-type" name="menu-item[<?php echo (int) $_nav_menu_placeholder; ?>][menu-item-type]" value="custom">
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<input type="hidden" class="menu-item-title" name="menu-item[<?php echo (int) $_nav_menu_placeholder; ?>][menu-item-title]" value="<?php esc_html_e( 'Languages', 'polylang' ); ?>">
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<input type="hidden" class="menu-item-url" name="menu-item[<?php echo (int) $_nav_menu_placeholder; ?>][menu-item-url]" value="#pll_switcher">
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</li>
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</ul>
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</div>
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<p class="button-controls">
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<span class="add-to-menu">
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<input type="submit" <?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e( 'Add to Menu', 'polylang' ); ?>" name="add-post-type-menu-item" id="submit-posttype-lang-switch">
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<span class="spinner"></span>
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</span>
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</p>
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</div>
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<?php
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}
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/**
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* Prepares javascript to modify the language switcher menu item
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*
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* @since 1.1
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*/
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public function admin_enqueue_scripts() {
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$screen = get_current_screen();
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if ( 'nav-menus' != $screen->base ) {
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return;
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}
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$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
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wp_enqueue_script( 'pll_nav_menu', plugins_url( '/js/nav-menu' . $suffix . '.js', POLYLANG_FILE ), array( 'jquery' ), POLYLANG_VERSION );
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$data = array(
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'strings' => PLL_Switcher::get_switcher_options( 'menu', 'string' ), // The strings for the options
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'title' => __( 'Languages', 'polylang' ), // The title
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'val' => array(),
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);
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// Get all language switcher menu items
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$items = get_posts(
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array(
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'numberposts' => -1,
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'nopaging' => true,
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'post_type' => 'nav_menu_item',
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'fields' => 'ids',
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'meta_key' => '_pll_menu_item',
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)
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);
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// The options values for the language switcher
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foreach ( $items as $item ) {
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$data['val'][ $item ] = get_post_meta( $item, '_pll_menu_item', true );
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}
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// Send all these data to javascript
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wp_localize_script( 'pll_nav_menu', 'pll_data', $data );
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}
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/**
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* Save our menu item options
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*
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* @since 1.1
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*
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* @param int $menu_id not used
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* @param int $menu_item_db_id
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*/
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public function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0 ) {
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if ( empty( $_POST['menu-item-url'][ $menu_item_db_id ] ) || '#pll_switcher' !== $_POST['menu-item-url'][ $menu_item_db_id ] ) { // phpcs:ignore WordPress.Security.NonceVerification
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return;
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}
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// Security check as 'wp_update_nav_menu_item' can be called from outside WP admin
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if ( current_user_can( 'edit_theme_options' ) ) {
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check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
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$options = array( 'hide_if_no_translation' => 0, 'hide_current' => 0, 'force_home' => 0, 'show_flags' => 0, 'show_names' => 1, 'dropdown' => 0 ); // Default values
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// Our jQuery form has not been displayed
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if ( empty( $_POST['menu-item-pll-detect'][ $menu_item_db_id ] ) ) {
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if ( ! get_post_meta( $menu_item_db_id, '_pll_menu_item', true ) ) { // Our options were never saved
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update_post_meta( $menu_item_db_id, '_pll_menu_item', $options );
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}
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}
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else {
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foreach ( array_keys( $options ) as $opt ) {
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$options[ $opt ] = empty( $_POST[ 'menu-item-' . $opt ][ $menu_item_db_id ] ) ? 0 : 1;
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}
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update_post_meta( $menu_item_db_id, '_pll_menu_item', $options ); // Allow us to easily identify our nav menu item
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}
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}
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}
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/**
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* Assign menu languages and translations based on ( temporary ) locations
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*
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* @since 1.8
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*
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* @param array $locations nav menu locations
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* @return array
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*/
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public function update_nav_menu_locations( $locations ) {
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// Extract language and menu from locations
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foreach ( $locations as $loc => $menu ) {
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$infos = $this->explode_location( $loc );
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$this->options['nav_menus'][ $this->theme ][ $infos['location'] ][ $infos['lang'] ] = $menu;
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if ( $this->options['default_lang'] != $infos['lang'] ) {
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unset( $locations[ $loc ] ); // Remove temporary locations before database update
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}
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}
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update_option( 'polylang', $this->options );
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return $locations;
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}
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/**
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* Assign menu languages and translations based on ( temporary ) locations
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*
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* @since 1.1
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*
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* @param array $mods theme mods
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* @return unmodified $mods
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*/
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public function pre_update_option_theme_mods( $mods ) {
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if ( current_user_can( 'edit_theme_options' ) && isset( $mods['nav_menu_locations'] ) ) {
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// Manage Locations tab in Appearance -> Menus
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if ( isset( $_GET['action'] ) && 'locations' === $_GET['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification
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check_admin_referer( 'save-menu-locations' );
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$this->options['nav_menus'][ $this->theme ] = array();
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}
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// Edit Menus tab in Appearance -> Menus
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// Add the test of $_POST['update-nav-menu-nonce'] to avoid conflict with Vantage theme
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elseif ( isset( $_POST['action'], $_POST['update-nav-menu-nonce'] ) && 'update' === $_POST['action'] ) {
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check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
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$this->options['nav_menus'][ $this->theme ] = array();
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}
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// Customizer
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// Don't reset locations in this case.
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// see http://wordpress.org/support/topic/menus-doesnt-show-and-not-saved-in-theme-settings-multilingual-site
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elseif ( isset( $_POST['action'] ) && 'customize_save' == $_POST['action'] ) {
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check_ajax_referer( 'save-customize_' . $GLOBALS['wp_customize']->get_stylesheet(), 'nonce' );
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}
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else {
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return $mods; // No modification for nav menu locations
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}
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$mods['nav_menu_locations'] = $this->update_nav_menu_locations( $mods['nav_menu_locations'] );
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}
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return $mods;
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}
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/**
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* Fills temporary menu locations based on menus translations
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*
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* @since 1.2
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*
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* @param bool|array $menus
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* @return bool|array modified list of menu locations
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*/
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public function theme_mod_nav_menu_locations( $menus ) {
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// Prefill locations with 0 value in case a location does not exist in $menus
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$locations = get_registered_nav_menus();
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if ( is_array( $locations ) ) {
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$locations = array_fill_keys( array_keys( $locations ), 0 );
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$menus = is_array( $menus ) ? array_merge( $locations, $menus ) : $locations;
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}
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if ( is_array( $menus ) ) {
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foreach ( array_keys( $menus ) as $loc ) {
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foreach ( $this->model->get_languages_list() as $lang ) {
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if ( ! empty( $this->options['nav_menus'][ $this->theme ][ $loc ][ $lang->slug ] ) && term_exists( $this->options['nav_menus'][ $this->theme ][ $loc ][ $lang->slug ], 'nav_menu' ) ) {
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$menus[ $this->combine_location( $loc, $lang ) ] = $this->options['nav_menus'][ $this->theme ][ $loc ][ $lang->slug ];
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}
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}
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}
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}
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return $menus;
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}
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/**
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* Removes the nav menu term_id from the locations stored in Polylang options when a nav menu is deleted
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*
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* @since 1.7.3
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*
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* @param int $term_id nav menu id
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*/
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public function delete_nav_menu( $term_id ) {
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if ( isset( $this->options['nav_menus'] ) ) {
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foreach ( $this->options['nav_menus'] as $theme => $locations ) {
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foreach ( $locations as $loc => $languages ) {
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foreach ( $languages as $lang => $menu_id ) {
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if ( $menu_id === $term_id ) {
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unset( $this->options['nav_menus'][ $theme ][ $loc ][ $lang ] );
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}
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}
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}
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}
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update_option( 'polylang', $this->options );
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}
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}
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}
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