'tags', 'singular' => 'tag', 'screen' => isset( $args['screen'] ) ? $args['screen'] : null, ) ); $action = $this->screen->action; $post_type = $this->screen->post_type; $taxonomy = $this->screen->taxonomy; if ( empty( $taxonomy ) ) $taxonomy = 'post_tag'; if ( ! taxonomy_exists( $taxonomy ) ) wp_die( __( 'Invalid taxonomy' ) ); $tax = get_taxonomy( $taxonomy ); // @todo Still needed? Maybe just the show_ui part. if ( empty( $post_type ) || !in_array( $post_type, get_post_types( array( 'show_ui' => true ) ) ) ) $post_type = 'post'; } public function ajax_user_can() { return current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->manage_terms ); } public function prepare_items() { $tags_per_page = $this->get_items_per_page( 'edit_' . $this->screen->taxonomy . '_per_page' ); if ( 'post_tag' == $this->screen->taxonomy ) { /** * Filter the number of terms displayed per page for the Tags list table. * * @since 2.8.0 * * @param int $tags_per_page Number of tags to be displayed. Default 20. */ $tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page ); /** * Filter the number of terms displayed per page for the Tags list table. * * @since 2.7.0 * @deprecated 2.8.0 Use edit_tags_per_page instead. * * @param int $tags_per_page Number of tags to be displayed. Default 20. */ $tags_per_page = apply_filters( 'tagsperpage', $tags_per_page ); } elseif ( 'category' == $this->screen->taxonomy ) { /** * Filter the number of terms displayed per page for the Categories list table. * * @since 2.8.0 * * @param int $tags_per_page Number of categories to be displayed. Default 20. */ $tags_per_page = apply_filters( 'edit_categories_per_page', $tags_per_page ); } $search = !empty( $_REQUEST['s'] ) ? trim( wp_unslash( $_REQUEST['s'] ) ) : ''; $args = array( 'search' => $search, 'page' => $this->get_pagenum(), 'number' => $tags_per_page, ); if ( !empty( $_REQUEST['orderby'] ) ) $args['orderby'] = trim( wp_unslash( $_REQUEST['orderby'] ) ); if ( !empty( $_REQUEST['order'] ) ) $args['order'] = trim( wp_unslash( $_REQUEST['order'] ) ); $this->callback_args = $args; $this->set_pagination_args( array( 'total_items' => wp_count_terms( $this->screen->taxonomy, compact( 'search' ) ), 'per_page' => $tags_per_page, ) ); } public function has_items() { // todo: populate $this->items in prepare_items() return true; } protected function get_bulk_actions() { $actions = array(); $actions['delete'] = __( 'Delete' ); return $actions; } public function current_action() { if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && ( 'delete' == $_REQUEST['action'] || 'delete' == $_REQUEST['action2'] ) ) return 'bulk-delete'; return parent::current_action(); } public function get_columns() { $columns = array( 'cb' => '', 'name' => _x( 'Name', 'term name' ), 'description' => __( 'Description' ), 'slug' => __( 'Slug' ), ); if ( 'link_category' == $this->screen->taxonomy ) { $columns['links'] = __( 'Links' ); } else { $post_type_object = get_post_type_object( $this->screen->post_type ); $columns['posts'] = $post_type_object ? $post_type_object->labels->name : __( 'Posts' ); } return $columns; } protected function get_sortable_columns() { return array( 'name' => 'name', 'description' => 'description', 'slug' => 'slug', 'posts' => 'count', 'links' => 'count' ); } public function display_rows_or_placeholder() { $taxonomy = $this->screen->taxonomy; $args = wp_parse_args( $this->callback_args, array( 'page' => 1, 'number' => 20, 'search' => '', 'hide_empty' => 0 ) ); $page = $args['page']; // Set variable because $args['number'] can be subsequently overridden. $number = $args['number']; $args['offset'] = $offset = ( $page - 1 ) * $number; // Convert it to table rows. $count = 0; if ( is_taxonomy_hierarchical( $taxonomy ) && ! isset( $args['orderby'] ) ) { // We'll need the full set of terms then. $args['number'] = $args['offset'] = 0; } $terms = get_terms( $taxonomy, $args ); if ( empty( $terms ) ) { echo ''; $this->no_items(); echo ''; return; } if ( is_taxonomy_hierarchical( $taxonomy ) && ! isset( $args['orderby'] ) ) { if ( ! empty( $args['search'] ) ) {// Ignore children on searches. $children = array(); } else { $children = _get_term_hierarchy( $taxonomy ); } // Some funky recursion to get the job done( Paging & parents mainly ) is contained within, Skip it for non-hierarchical taxonomies for performance sake $this->_rows( $taxonomy, $terms, $children, $offset, $number, $count ); } else { $terms = get_terms( $taxonomy, $args ); foreach ( $terms as $term ) { $this->single_row( $term ); } } } private function _rows( $taxonomy, $terms, &$children, $start, $per_page, &$count, $parent = 0, $level = 0 ) { $end = $start + $per_page; foreach ( $terms as $key => $term ) { if ( $count >= $end ) break; if ( $term->parent != $parent && empty( $_REQUEST['s'] ) ) continue; // If the page starts in a subtree, print the parents. if ( $count == $start && $term->parent > 0 && empty( $_REQUEST['s'] ) ) { $my_parents = $parent_ids = array(); $p = $term->parent; while ( $p ) { $my_parent = get_term( $p, $taxonomy ); $my_parents[] = $my_parent; $p = $my_parent->parent; if ( in_array( $p, $parent_ids ) ) // Prevent parent loops. break; $parent_ids[] = $p; } unset( $parent_ids ); $num_parents = count( $my_parents ); while ( $my_parent = array_pop( $my_parents ) ) { echo "\t"; $this->single_row( $my_parent, $level - $num_parents ); $num_parents--; } } if ( $count >= $start ) { echo "\t"; $this->single_row( $term, $level ); } ++$count; unset( $terms[$key] ); if ( isset( $children[$term->term_id] ) && empty( $_REQUEST['s'] ) ) $this->_rows( $taxonomy, $terms, $children, $start, $per_page, $count, $term->term_id, $level + 1 ); } } public function single_row( $tag, $level = 0 ) { global $taxonomy; $tag = sanitize_term( $tag, $taxonomy ); static $row_class = ''; $row_class = ( $row_class == '' ? ' class="alternate"' : '' ); $this->level = $level; echo ''; $this->single_row_columns( $tag ); echo ''; } public function column_cb( $tag ) { $default_term = get_option( 'default_' . $this->screen->taxonomy ); if ( current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->delete_terms ) && $tag->term_id != $default_term ) return '' . ''; return ' '; } public function column_name( $tag ) { $taxonomy = $this->screen->taxonomy; $tax = get_taxonomy( $taxonomy ); $default_term = get_option( 'default_' . $taxonomy ); $pad = str_repeat( '— ', max( 0, $this->level ) ); /** * Filter display of the term name in the terms list table. * * The default output may include padding due to the term's * current level in the term hierarchy. * * @since 2.5.0 * * @see WP_Terms_List_Table::column_name() * * @param string $pad_tag_name The term name, padded if not top-level. * @param object $tag Term object. */ $name = apply_filters( 'term_name', $pad . ' ' . $tag->name, $tag ); $qe_data = get_term( $tag->term_id, $taxonomy, OBJECT, 'edit' ); $edit_link = esc_url( get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type ) ); $out = '' . $name . '
'; $actions = array(); if ( current_user_can( $tax->cap->edit_terms ) ) { $actions['edit'] = '' . __( 'Edit' ) . ''; $actions['inline hide-if-no-js'] = '' . __( 'Quick Edit' ) . ''; } if ( current_user_can( $tax->cap->delete_terms ) && $tag->term_id != $default_term ) $actions['delete'] = "term_id ) . "'>" . __( 'Delete' ) . ""; if ( $tax->public ) $actions['view'] = '' . __( 'View' ) . ''; /** * Filter the action links displayed for each term in the Tags list table. * * @since 2.8.0 * @deprecated 3.0.0 Use {$taxonomy}_row_actions instead. * * @param array $actions An array of action links to be displayed. Default * 'Edit', 'Quick Edit', 'Delete', and 'View'. * @param object $tag Term object. */ $actions = apply_filters( 'tag_row_actions', $actions, $tag ); /** * Filter the action links displayed for each term in the terms list table. * * The dynamic portion of the hook name, $taxonomy, refers to the taxonomy slug. * * @since 3.0.0 * * @param array $actions An array of action links to be displayed. Default * 'Edit', 'Quick Edit', 'Delete', and 'View'. * @param object $tag Term object. */ $actions = apply_filters( "{$taxonomy}_row_actions", $actions, $tag ); $out .= $this->row_actions( $actions ); $out .= ''; return $out; } public function column_description( $tag ) { return $tag->description; } public function column_slug( $tag ) { /** This filter is documented in wp-admin/edit-tag-form.php */ return apply_filters( 'editable_slug', $tag->slug ); } public function column_posts( $tag ) { $count = number_format_i18n( $tag->count ); $tax = get_taxonomy( $this->screen->taxonomy ); $ptype_object = get_post_type_object( $this->screen->post_type ); if ( ! $ptype_object->show_ui ) return $count; if ( $tax->query_var ) { $args = array( $tax->query_var => $tag->slug ); } else { $args = array( 'taxonomy' => $tax->name, 'term' => $tag->slug ); } if ( 'post' != $this->screen->post_type ) $args['post_type'] = $this->screen->post_type; if ( 'attachment' == $this->screen->post_type ) return "$count"; return "$count"; } public function column_links( $tag ) { $count = number_format_i18n( $tag->count ); if ( $count ) $count = "$count"; return $count; } public function column_default( $tag, $column_name ) { /** * Filter the displayed columns in the terms list table. * * The dynamic portion of the hook name, $this->screen->taxonomy, * refers to the slug of the current taxonomy. * * @since 2.8.0 * * @param string $string Blank string. * @param string $column_name Name of the column. * @param int $term_id Term ID. */ return apply_filters( "manage_{$this->screen->taxonomy}_custom_column", '', $column_name, $tag->term_id ); } /** * Outputs the hidden row displayed when inline editing * * @since 3.1.0 */ public function inline_edit() { $tax = get_taxonomy( $this->screen->taxonomy ); if ( ! current_user_can( $tax->cap->edit_terms ) ) return; ?>