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<?php |
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/** |
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* @package Polylang |
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*/ |
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|
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defined( 'ABSPATH' ) || exit; |
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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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/** |
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* @var PLL_Admin_Links |
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*/ |
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public $links; |
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|
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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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/** |
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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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/** |
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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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|
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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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|
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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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|
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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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|
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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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/** |
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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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/** |
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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( $post_ID ); |
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|
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// phpcs:ignore WordPress.Security.NonceVerification, VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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$from_post_id = isset( $_GET['from_post'] ) ? (int) $_GET['from_post'] : 0; |
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|
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$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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|
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$dropdown = new PLL_Walker_Dropdown(); |
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|
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$id = ( 'attachment' === $post_type ) ? sprintf( 'attachments[%d][language]', (int) $post_ID ) : 'post_lang_choice'; |
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|
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$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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|
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wp_nonce_field( 'pll_language', '_pll_nonce' ); |
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|
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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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/** |
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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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|
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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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/** |
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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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|
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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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|
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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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|
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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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|
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$post_type_object = get_post_type_object( $post_type ); |
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|
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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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|
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if ( ! current_user_can( $post_type_object->cap->edit_post, $post_ID ) ) { |
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wp_die( 'You are not allowed to edit this post.' ); |
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} |
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|
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$this->model->post->set_language( $post_ID, $lang ); |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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' => '— ' . $taxonomy->labels->parent_item . ' —', |
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'echo' => 0, |
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) |
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); |
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|
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$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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|
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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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|
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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' => $post->post_parent, |
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'name' => 'parent_id', |
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'show_option_none' => __( '(no parent)', 'polylang' ), |
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'sort_column' => 'menu_order, post_title', |
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'echo' => 0, |
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); |
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|
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/** This filter is documented in wp-admin/includes/meta-boxes.php */ |
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$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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|
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/** @var string $data */ |
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$data = wp_dropdown_pages( $dropdown_args ); // phpcs:ignore WordPress.Security.EscapeOutput |
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|
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$x->Add( array( 'what' => 'pages', 'data' => $data ) ); |
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} |
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} |
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|
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// Flag |
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$x->Add( array( 'what' => 'flag', 'data' => empty( $lang->flag ) ? esc_html( $lang->slug ) : $lang->flag ) ); |
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|
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// Sample permalink |
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$x->Add( array( 'what' => 'permalink', 'data' => get_sample_permalink_html( $post_ID ) ) ); |
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|
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$x->send(); |
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} |
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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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|
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if ( ! isset( $_GET['post_type'], $_GET['post_language'], $_GET['translation_language'], $_GET['term'], $_GET['pll_post_id'] ) ) { |
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wp_die( 0 ); |
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} |
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|
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$post_type = sanitize_key( $_GET['post_type'] ); |
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|
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if ( ! post_type_exists( $post_type ) ) { |
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wp_die( 0 ); |
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} |
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|
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$term = wp_unslash( $_GET['term'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
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|
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$post_language = $this->model->get_language( sanitize_key( $_GET['post_language'] ) ); |
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$translation_language = $this->model->get_language( sanitize_key( $_GET['translation_language'] ) ); |
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|
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$return = array(); |
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|
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$untranslated_posts = $this->model->post->get_untranslated( $post_type, $post_language, $translation_language, $term ); |
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|
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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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|
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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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|
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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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|
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wp_die( wp_json_encode( $return ) ); |
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} |
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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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|
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if ( empty( $language ) ) { |
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$language = $this->pref_lang; |
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} |
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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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|
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return $dropdown_args; |
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} |
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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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|
