name : admin-classic-editor.php <?php /** * Manages filters and actions related to the classic editor * * @since 2.4 */ class PLL_Admin_Classic_Editor { public $model, $links, $curlang, $pref_lang; /** * Constructor: setups filters and actions * * @since 2.4 * * @param object $polylang */ public function __construct( &$polylang ) { $this->model = &$polylang->model; $this->links = &$polylang->links; $this->curlang = &$polylang->curlang; $this->pref_lang = &$polylang->pref_lang; // Adds the Languages box in the 'Edit Post' and 'Edit Page' panels add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ), 10, 2 ); // Ajax response for changing the language in the post metabox add_action( 'wp_ajax_post_lang_choice', array( $this, 'post_lang_choice' ) ); add_action( 'wp_ajax_pll_posts_not_translated', array( $this, 'ajax_posts_not_translated' ) ); // Filters the pages by language in the parent dropdown list in the page attributes metabox add_filter( 'page_attributes_dropdown_pages_args', array( $this, 'page_attributes_dropdown_pages_args' ), 10, 2 ); // Notice add_action( 'edit_form_top', array( $this, 'edit_form_top' ) ); } /** * Adds the Language box in the 'Edit Post' and 'Edit Page' panels ( as well as in custom post types panels ) * * @since 0.1 * * @param string $post_type Current post type * @param object $post Current post */ public function add_meta_boxes( $post_type, $post ) { if ( $this->model->is_translated_post_type( $post_type ) ) { add_meta_box( 'ml_box', __( 'Languages', 'polylang' ), array( $this, 'post_language' ), $post_type, 'side', 'high', array( '__back_compat_meta_box' => pll_use_block_editor_plugin(), ) ); } } /** * Displays the Languages metabox in the 'Edit Post' and 'Edit Page' panels * * @since 0.1 */ public function post_language() { global $post_ID; $post_id = $post_ID; $post_type = get_post_type( $post_ID ); $from_post_id = isset( $_GET['from_post'] ) ? (int) $_GET['from_post'] : 0; // phpcs:ignore WordPress.Security.NonceVerification $lang = ( $lg = $this->model->post->get_language( $post_ID ) ) ? $lg : ( isset( $_GET['new_lang'] ) ? $this->model->get_language( sanitize_key( $_GET['new_lang'] ) ) : // phpcs:ignore WordPress.Security.NonceVerification $this->pref_lang ); $dropdown = new PLL_Walker_Dropdown(); $id = ( 'attachment' === $post_type ) ? sprintf( 'attachments[%d][language]', (int) $post_ID ) : 'post_lang_choice'; $dropdown_html = $dropdown->walk( $this->model->get_languages_list(), array( 'name' => $id, 'class' => 'post_lang_choice tags-input', 'selected' => $lang ? $lang->slug : '', 'flag' => true, ) ); wp_nonce_field( 'pll_language', '_pll_nonce' ); // NOTE: the class "tags-input" allows to include the field in the autosave $_POST ( see autosave.js ) printf( '<p><strong>%1$s</strong></p> <label class="screen-reader-text" for="%2$s">%1$s</label> <div id="select-%3$s-language">%4$s</div>', esc_html__( 'Language', 'polylang' ), esc_attr( $id ), ( 'attachment' === $post_type ? 'media' : 'post' ), $dropdown_html // phpcs:ignore WordPress.Security.EscapeOutput ); /** * Fires before displaying the list of translations in the Languages metabox for posts * * @since 1.8 */ do_action( 'pll_before_post_translations', $post_type ); echo '<div id="post-translations" class="translations">'; if ( $lang ) { include PLL_ADMIN_INC . '/view-translations-' . ( 'attachment' == $post_type ? 'media' : 'post' ) . '.php'; } echo '</div>' . "\n"; } /** * Ajax response for changing the language in the post metabox * * @since 0.2 */ public function post_lang_choice() { check_ajax_referer( 'pll_language', '_pll_nonce' ); if ( ! isset( $_POST['post_id'], $_POST['lang'], $_POST['post_type'] ) ) { wp_die( 0 ); } global $post_ID; // Obliged to use the global variable for wp_popular_terms_checklist $post_id = $post_ID = (int) $_POST['post_id']; $lang = $this->model->get_language( sanitize_key( $_POST['lang'] ) ); $post_type = sanitize_key( $_POST['post_type'] ); if ( ! post_type_exists( $post_type ) ) { wp_die( 0 ); } $post_type_object = get_post_type_object( $post_type ); if ( ! current_user_can( $post_type_object->cap->edit_post, $post_ID ) ) { wp_die( -1 ); } $this->model->post->set_language( $post_ID, $lang ); // Save language, useful to set the language when uploading media from post // We also need to save the translations to match the language change $translations = $this->model->post->get_translations( $post_ID ); $translations = array_diff( $translations, array( $post_ID ) ); $this->model->post->save_translations( $post_ID, $translations ); ob_start(); if ( $lang ) { include PLL_ADMIN_INC . '/view-translations-' . ( 'attachment' == $post_type ? 'media' : 'post' ) . '.php'; } $x = new WP_Ajax_Response( array( 'what' => 'translations', 'data' => ob_get_contents() ) ); ob_end_clean(); // Categories if ( isset( $_POST['taxonomies'] ) ) { // Not set for pages foreach ( array_map( 'sanitize_key', $_POST['taxonomies'] ) as $taxname ) { $taxonomy = get_taxonomy( $taxname ); ob_start(); $popular_ids = wp_popular_terms_checklist( $taxonomy->name ); $supplemental['populars'] = ob_get_contents(); ob_end_clean(); ob_start(); // Use $post_ID to remember checked terms in case we come back to the original language wp_terms_checklist( $post_ID, array( 'taxonomy' => $taxonomy->name, 'popular_cats' => $popular_ids ) ); $supplemental['all'] = ob_get_contents(); ob_end_clean(); $supplemental['dropdown'] = wp_dropdown_categories( array( 'taxonomy' => $taxonomy->name, 'hide_empty' => 0, 'name' => 'new' . $taxonomy->name . '_parent', 'orderby' => 'name', 'hierarchical' => 1, 'show_option_none' => '&mdash; ' . $taxonomy->labels->parent_item . ' &mdash;', 'echo' => 0, ) ); $x->Add( array( 'what' => 'taxonomy', 'data' => $taxonomy->name, 'supplemental' => $supplemental ) ); } } // Parent dropdown list ( only for hierarchical post types ) if ( in_array( $post_type, get_post_types( array( 'hierarchical' => true ) ) ) ) { $post = get_post( $post_ID ); // Args and filter from 'page_attributes_meta_box' in wp-admin/includes/meta-boxes.php of WP 4.2.1 $dropdown_args = array( 'post_type' => $post->post_type, 'exclude_tree' => $post->ID, 'selected' => $post->post_parent, 'name' => 'parent_id', 'show_option_none' => __( '(no parent)', 'polylang' ), 'sort_column' => 'menu_order, post_title', 'echo' => 0, ); /** This filter is documented in wp-admin/includes/meta-boxes.php */ $dropdown_args = apply_filters( 'page_attributes_dropdown_pages_args', $dropdown_args, $post ); // Since WP 3.3 $x->Add( array( 'what' => 'pages', 'data' => wp_dropdown_pages( $dropdown_args ) ) ); // phpcs:ignore WordPress.Security.EscapeOutput } // Flag $x->Add( array( 'what' => 'flag', 'data' => empty( $lang->flag ) ? esc_html( $lang->slug ) : $lang->flag ) ); // Sample permalink $x->Add( array( 'what' => 'permalink', 'data' => get_sample_permalink_html( $post_ID ) ) ); $x->send(); } /** * Ajax response for input in translation autocomplete input box * * @since 1.5 */ public function ajax_posts_not_translated() { check_ajax_referer( 'pll_language', '_pll_nonce' ); if ( ! isset( $_GET['post_type'], $_GET['post_language'], $_GET['translation_language'], $_GET['term'], $_GET['pll_post_id'] ) ) { wp_die( 0 ); } $post_type = sanitize_key( $_GET['post_type'] ); if ( ! post_type_exists( $post_type ) ) { wp_die( 0 ); } $term = wp_unslash( $_GET['term'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput $post_language = $this->model->get_language( sanitize_key( $_GET['post_language'] ) ); $translation_language = $this->model->get_language( sanitize_key( $_GET['translation_language'] ) ); $return = array(); $untranslated_posts = $this->model->post->get_untranslated( $post_type, $post_language, $translation_language, $term ); // format output foreach ( $untranslated_posts as $post ) { $return[] = array( 'id' => $post->ID, 'value' => $post->post_title, 'link' => $this->links->edit_post_translation_link( $post->ID ), ); } // Add current translation in list if ( $post_id = $this->model->post->get_translation( (int) $_GET['pll_post_id'], $translation_language ) ) { $post = get_post( $post_id ); array_unshift( $return, array( 'id' => $post_id, 'value' => $post->post_title, 'link' => $this->links->edit_post_translation_link( $post_id ), ) ); } wp_die( wp_json_encode( $return ) ); } /** * Filters the pages by language in the parent dropdown list in the page attributes metabox * * @since 0.6 * * @param array $dropdown_args Arguments passed to wp_dropdown_pages * @param object $post * @return array Modified arguments */ public function page_attributes_dropdown_pages_args( $dropdown_args, $post ) { $dropdown_args['lang'] = isset( $_POST['lang'] ) ? $this->model->get_language( sanitize_key( $_POST['lang'] ) ) : $this->model->post->get_language( $post->ID ); // phpcs:ignore WordPress.Security.NonceVerification if ( ! $dropdown_args['lang'] ) { $dropdown_args['lang'] = $this->pref_lang; } return $dropdown_args; } /** * Displays a notice if the user has not sufficient rights to overwrite synchronized taxonomies and metas * * @since 2.6 * * @param object $post Post currently being edited */ public function edit_form_top( $post ) { if ( ! $this->model->post->current_user_can_synchronize( $post->ID ) ) { ?> <div class="pll-notice notice notice-warning"> <p> <?php esc_html_e( 'Some taxonomies or metadata may be synchronized with existing translations that you are not allowed to modify.', 'polylang' ); echo ' '; esc_html_e( 'If you attempt to modify them anyway, your changes will not be saved.', 'polylang' ); ?> </p> </div> <?php } } }