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