File Content: class-wp-terms-list-table.php <?php /** * List Table API: WP_Terms_List_Table class * * @package WordPress * @subpackage Administration * @since 3.1.0 */ /** * Core class used to implement displaying terms in a list table. * * @since 3.1.0 * @access private * * @see WP_List_Table */ class WP_Terms_List_Table extends WP_List_Table { public $callback_args; private $level; /** * Constructor. * * @since 3.1.0 * * @see WP_List_Table::__construct() for more information on default arguments. * * @global string $post_type * @global string $taxonomy * @global string $action * @global object $tax * * @param array $args An associative array of arguments. */ public function __construct( $args = array() ) { global $post_type, $taxonomy, $action, $tax; parent::__construct( array( 'plural' => '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'; } /** * * @return bool */ 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 ) { /** * Filters 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 ); /** * Filters 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 ) { /** * Filters 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, ) ); } /** * * @return bool */ public function has_items() { // todo: populate $this->items in prepare_items() return true; } /** */ public function no_items() { echo get_taxonomy( $this->screen->taxonomy )->labels->not_found; } /** * * @return array */ protected function get_bulk_actions() { $actions = array(); if ( current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->delete_terms ) ) { $actions['delete'] = __( 'Delete' ); } return $actions; } /** * * @return string */ 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(); } /** * * @return array */ public function get_columns() { $columns = array( 'cb' => '<input type="checkbox" />', 'name' => _x( 'Name', 'term name' ), 'description' => __( 'Description' ), 'slug' => __( 'Slug' ), ); if ( 'link_category' === $this->screen->taxonomy ) { $columns['links'] = __( 'Links' ); } else { $columns['posts'] = _x( 'Count', 'Number/count of items' ); } return $columns; } /** * * @return array */ 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 ) || ! is_array( $terms ) ) { echo '<tr class="no-items"><td class="colspanchange" colspan="' . $this->get_column_count() . '">'; $this->no_items(); echo '</td></tr>'; 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 { foreach ( $terms as $term ) { $this->single_row( $term ); } } } /** * @param string $taxonomy * @param array $terms * @param array $children * @param int $start * @param int $per_page * @param int $count * @param int $parent * @param int $level */ 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 ); } } /** * @global string $taxonomy * @param WP_Term $tag Term object. * @param int $level */ public function single_row( $tag, $level = 0 ) { global $taxonomy; $tag = sanitize_term( $tag, $taxonomy ); $this->level = $level; echo '<tr id="tag-' . $tag->term_id . '">'; $this->single_row_columns( $tag ); echo '</tr>'; } /** * @param WP_Term $tag Term object. * @return string */ public function column_cb( $tag ) { if ( current_user_can( 'delete_term', $tag->term_id ) ) { return '<label class="screen-reader-text" for="cb-select-' . $tag->term_id . '">' . sprintf( __( 'Select %s' ), $tag->name ) . '</label>' . '<input type="checkbox" name="delete_tags[]" value="' . $tag->term_id . '" id="cb-select-' . $tag->term_id . '" />'; } return '&nbsp;'; } /** * @param WP_Term $tag Term object. * @return string */ public function column_name( $tag ) { $taxonomy = $this->screen->taxonomy; $pad = str_repeat( '&#8212; ', max( 0, $this->level ) ); /** * Filters 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 WP_Term $tag Term object. */ $name = apply_filters( 'term_name', $pad . ' ' . $tag->name, $tag ); $qe_data = get_term( $tag->term_id, $taxonomy, OBJECT, 'edit' ); $uri = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI']; $edit_link = add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $uri ) ), get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type ) ); $out = sprintf( '<strong><a class="row-title" href="%s" aria-label="%s">%s</a></strong><br />', esc_url( $edit_link ), /* translators: %s: taxonomy term name */ esc_attr( sprintf( __( '&#8220;%s&#8221; (Edit)' ), $tag->name ) ), $name ); $out .= '<div class="hidden" id="inline_' . $qe_data->term_id . '">'; $out .= '<div class="name">' . $qe_data->name . '</div>'; /** This filter is documented in wp-admin/edit-tag-form.php */ $out .= '<div class="slug">' . apply_filters( 'editable_slug', $qe_data->slug, $qe_data ) . '</div>'; $out .= '<div class="parent">' . $qe_data->parent . '</div></div>'; return $out; } /** * Gets the name of the default primary column. * * @since 4.3.0 * * @return string Name of the default primary column, in this case, 'name'. */ protected function get_default_primary_column_name() { return 'name'; } /** * Generates and displays row action links. * * @since 4.3.0 * * @param WP_Term $tag Tag being acted upon. * @param string $column_name Current column name. * @param string $primary Primary column name. * @return string Row actions output for terms. */ protected function handle_row_actions( $tag, $column_name, $primary ) { if ( $primary !== $column_name ) { return ''; } $taxonomy = $this->screen->taxonomy; $tax = get_taxonomy( $taxonomy ); $uri = wp_doing_ajax() ? wp_get_referer() : $_SERVER['REQUEST_URI']; $edit_link = add_query_arg( 'wp_http_referer', urlencode( wp_unslash( $uri ) ), get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type ) ); $actions = array(); if ( current_user_can( 'edit_term', $tag->term_id ) ) { $actions['edit'] = sprintf( '<a href="%s" aria-label="%s">%s</a>', esc_url( $edit_link ), /* translators: %s: taxonomy term name */ esc_attr( sprintf( __( 'Edit &#8220;%s&#8221;' ), $tag->name ) ), __( 'Edit' ) ); $actions['inline hide-if-no-js'] = sprintf( '<a href="#" class="editinline aria-button-if-js" aria-label="%s">%s</a>', /* translators: %s: taxonomy term name */ esc_attr( sprintf( __( 'Quick edit &#8220;%s&#8221; inline' ), $tag->name ) ), __( 'Quick&nbsp;Edit' ) ); } if ( current_user_can( 'delete_term', $tag->term_id ) ) { $actions['delete'] = sprintf( '<a href="%s" class="delete-tag aria-button-if-js" aria-label="%s">%s</a>', wp_nonce_url( "edit-tags.php?action=delete&amp;taxonomy=$taxonomy&amp;tag_ID=$tag->term_id", 'delete-tag_' . $tag->term_id ), /* translators: %s: taxonomy term name */ esc_attr( sprintf( __( 'Delete &#8220;%s&#8221;' ), $tag->name ) ), __( 'Delete' ) ); } if ( $tax->public ) { $actions['view'] = sprintf( '<a href="%s" aria-label="%s">%s</a>', get_term_link( $tag ), /* translators: %s: taxonomy term name */ esc_attr( sprintf( __( 'View &#8220;%s&#8221; archive' ), $tag->name ) ), __( 'View' ) ); } /** * Filters the action links displayed for each term in the Tags list table. * * @since 2.8.0 * @deprecated 3.0.0 Use {$taxonomy}_row_actions instead. * * @param array $actions An array of action links to be displayed. Default * 'Edit', 'Quick Edit', 'Delete', and 'View'. * @param WP_Term $tag Term object. */ $actions = apply_filters( 'tag_row_actions', $actions, $tag ); /** * Filters the action links displayed for each term in the terms list table. * * The dynamic portion of the hook name, `$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 WP_Term $tag Term object. */ $actions = apply_filters( "{$taxonomy}_row_actions", $actions, $tag ); return $this->row_actions( $actions ); } /** * @param WP_Term $tag Term object. * @return string */ public function column_description( $tag ) { if ( $tag->description ) { return $tag->description; } else { return '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . __( 'No description' ) . '</span>'; } } /** * @param WP_Term $tag Term object. * @return string */ public function column_slug( $tag ) { /** This filter is documented in wp-admin/edit-tag-form.php */ return apply_filters( 'editable_slug', $tag->slug, $tag ); } /** * @param WP_Term $tag Term object. * @return string */ 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 "<a href='" . esc_url ( add_query_arg( $args, 'upload.php' ) ) . "'>$count</a>"; return "<a href='" . esc_url ( add_query_arg( $args, 'edit.php' ) ) . "'>$count</a>"; } /** * @param WP_Term $tag Term object. * @return string */ public function column_links( $tag ) { $count = number_format_i18n( $tag->count ); if ( $count ) $count = "<a href='link-manager.php?cat_id=$tag->term_id'>$count</a>"; return $count; } /** * @param WP_Term $tag Term object. * @param string $column_name * @return string */ public function column_default( $tag, $column_name ) { /** * Filters the displayed columns in the terms list table. * * The dynamic portion of the hook name, `$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; ?> <form method="get"><table style="display: none"><tbody id="inlineedit"> <tr id="inline-edit" class="inline-edit-row" style="display: none"><td colspan="<?php echo $this->get_column_count(); ?>" class="colspanchange"> <fieldset> <legend class="inline-edit-legend"><?php _e( 'Quick Edit' ); ?></legend> <div class="inline-edit-col"> <label> <span class="title"><?php _ex( 'Name', 'term name' ); ?></span> <span class="input-text-wrap"><input type="text" name="name" class="ptitle" value="" /></span> </label> <?php if ( !global_terms_enabled() ) { ?> <label> <span class="title"><?php _e( 'Slug' ); ?></span> <span class="input-text-wrap"><input type="text" name="slug" class="ptitle" value="" /></span> </label> <?php } ?> </div></fieldset> <?php $core_columns = array( 'cb' => true, 'description' => true, 'name' => true, 'slug' => true, 'posts' => true ); list( $columns ) = $this->get_column_info(); foreach ( $columns as $column_name => $column_display_name ) { if ( isset( $core_columns[$column_name] ) ) continue; /** This action is documented in wp-admin/includes/class-wp-posts-list-table.php */ do_action( 'quick_edit_custom_box', $column_name, 'edit-tags', $this->screen->taxonomy ); } ?> <div class="inline-edit-save submit"> <button type="button" class="cancel button alignleft"><?php _e( 'Cancel' ); ?></button> <button type="button" class="save button button-primary alignright"><?php echo $tax->labels->update_item; ?></button> <span class="spinner"></span> <?php wp_nonce_field( 'taxinlineeditnonce', '_inline_edit', false ); ?> <input type="hidden" name="taxonomy" value="<?php echo esc_attr( $this->screen->taxonomy ); ?>" /> <input type="hidden" name="post_type" value="<?php echo esc_attr( $this->screen->post_type ); ?>" /> <br class="clear" /> <div class="notice notice-error notice-alt inline hidden"> <p class="error"></p> </div> </div> </td></tr> </tbody></table></form> <?php } } Submit