Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。 options = $polylang->options; $this->model = &$polylang->model; $this->curlang = &$polylang->curlang; $this->filter_lang = &$polylang->filter_lang; $this->pref_lang = &$polylang->pref_lang; $this->request = &$polylang->request; // Saving terms. add_action( 'create_term', array( $this, 'save_term' ), 999, 3 ); add_action( 'edit_term', array( $this, 'save_term' ), 999, 3 ); // After PLL_Admin_Filters_Term add_filter( 'pre_term_name', array( $this, 'set_pre_term_name' ) ); add_filter( 'pre_term_slug', array( $this, 'set_pre_term_slug' ), 10, 2 ); add_filter( 'pre_term_term_id', array( $this, 'set_pre_term_id' ) ); // Filters terms query by language. add_filter( 'get_terms_args', array( $this, 'adjust_query_lang' ) ); add_filter( 'terms_clauses', array( $this, 'terms_clauses' ), 10, 3 ); add_action( 'pre_get_posts', array( $this, 'set_tax_query_lang' ), 999 ); add_action( 'posts_selection', array( $this, 'unset_tax_query_lang' ), 0 ); // Deleting terms. add_action( 'pre_delete_term', array( $this, 'delete_term' ), 10, 2 ); } /** * Allows to set a language by default for terms if it has no language yet. * * @since 1.5.4 * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy name. * @return void */ protected function set_default_language( $term_id, $taxonomy ) { $term_language = new Create_Term( $this->model, $this->request, $this->pref_lang instanceof PLL_Language ? $this->pref_lang : null, // Can be `false` as well... $this->curlang instanceof PLL_Language ? $this->curlang : null // Can be `false` as well... ); $this->model->term->set_language( $term_id, $term_language->get_language( (int) $term_id, (string) $taxonomy ) ); } /** * Called when a category or post tag is created or edited. * Does nothing except on taxonomies which are filterable. * * @since 0.1 * * @param int $term_id Term id of the term being saved. * @param int $tt_id Term taxonomy id. * @param string $taxonomy Taxonomy name. * @return void */ public function save_term( $term_id, $tt_id, $taxonomy ) { if ( is_multisite() && ms_is_switched() && ! $this->model->has_languages() ) { return; } if ( ! $this->model->is_translated_taxonomy( $taxonomy ) ) { return; } $lang = $this->model->term->get_language( $term_id ); if ( empty( $lang ) ) { $this->set_default_language( $term_id, $taxonomy ); } /** * Fires after the term language and translations are saved. * * @since 1.2 * * @param int $term_id Term id. * @param string $taxonomy Taxonomy name. * @param int[] $translations The list of translations term ids. */ do_action( 'pll_save_term', $term_id, $taxonomy, $this->model->term->get_translations( $term_id ) ); } /** * Returns the languages to filter `WP_Term_Query`. * * @since 3.8 * * @param string[] $taxonomies Queried taxonomies. * @param array $args WP_Term_Query arguments. * @return PLL_Language[] The languages to filter `WP_Term_Query`. */ protected function get_queried_languages( $taxonomies, $args ): array { global $pagenow; /* * Do nothing except on taxonomies which are filterable. * Since WP 4.7, make sure not to filter wp_get_object_terms(). */ if ( ! $this->model->is_translated_taxonomy( $taxonomies ) || ! empty( $args['object_ids'] ) ) { return array(); } // If get_terms() is queried with a 'lang' parameter. if ( isset( $args['lang'] ) ) { $languages = is_string( $args['lang'] ) ? explode( ',', $args['lang'] ) : $args['lang']; return array_filter( array_map( array( $this->model, 'get_language' ), (array) $languages ) ); } // On the tags page, everything should be filtered according to the admin language filter except the parent dropdown. if ( 'edit-tags.php' === $pagenow && empty( $args['class'] ) ) { return ! empty( $this->filter_lang ) ? array( $this->filter_lang ) : array(); } return ! empty( $this->curlang ) ? array( $this->curlang ) : array(); } /** * Adjusts query language for `_get_term_hierarchy()` and `WP_Query`. * * @since 1.3 * @since 3.8 Renamed from `get_terms_args()`. * * @param array $args WP_Term_Query arguments. * @return array Modified arguments. */ public function adjust_query_lang( $args ) { // Don't break _get_term_hierarchy(). if ( 'all' === $args['get'] && 'id' === $args['orderby'] && 'id=>parent' === $args['fields'] ) { $args['lang'] = ''; } if ( isset( $this->tax_query_lang ) ) { $args['lang'] = empty( $this->tax_query_lang ) && ! empty( $this->curlang ) && ! empty( $args['slug'] ) ? $this->curlang->slug : $this->tax_query_lang; } return $args; } /** * Filters categories and post tags by language(s) when needed on admin side * * @since 0.2 * * @param string[] $clauses List of sql clauses. * @param string[] $taxonomies List of taxonomies. * @param array $args WP_Term_Query arguments. * @return string[] Modified sql clauses. */ public function terms_clauses( $clauses, $taxonomies, $args ) { $languages = $this->get_queried_languages( $taxonomies, $args ); return $this->model->terms_clauses( $clauses, $languages ); } /** * Sets the WP_Term_Query language when doing a WP_Query. * Needed since WP 4.9. * * @since 2.3.2 * * @param WP_Query $query WP_Query object. * @return void */ public function set_tax_query_lang( $query ) { $this->tax_query_lang = $query->query_vars['lang'] ?? ''; } /** * Removes the WP_Term_Query language filter for WP_Query. * Needed since WP 4.9. * * @since 2.3.2 * * @return void */ public function unset_tax_query_lang() { unset( $this->tax_query_lang ); } /** * Called when a category or post tag is deleted * Deletes language and translations * * @since 0.1 * * @param int $term_id Id of the term to delete. * @param string $taxonomy Name of the taxonomy. * @return void */ public function delete_term( $term_id, $taxonomy ) { if ( ! $this->model->is_translated_taxonomy( $taxonomy ) ) { return; } // Delete translation and relationships only if the term is translatable. $this->model->term->delete_translation( $term_id ); $this->model->term->delete_language( $term_id ); } /** * Stores the term name for use in pre_term_slug * * @since 0.9.5 * * @param string $name term name * @return string unmodified term name */ public function set_pre_term_name( $name ) { $this->pre_term_name = is_string( $name ) ? $name : ''; return $name; } /** * Appends language slug to the term slug if needed. * * @since 3.3 * * @param string $slug Term slug. * @param string $taxonomy Term taxonomy. * @return string Slug with a language suffix if found. */ public function set_pre_term_