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class-wp-terms-list-table.php (19287B)

---

 <?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 ) ), 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 {@see 'edit_tags_per_page'} instead.
 			 *
 			 * @param int $tags_per_page Number of tags to be displayed. Default 20.
 			 */
 			$tags_per_page = apply_filters_deprecated( 'tagsperpage', array( $tags_per_page ), '2.8.0', 'edit_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(
 					array(
 						'taxonomy' => $this->screen->taxonomy,
 						'search'   => $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'] ) {
 			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(
 				'taxonomy'   => $taxonomy,
 				'page'       => 1,
 				'number'     => 20,
 				'search'     => '',
 				'hide_empty' => 0,
 			)
 		);
 
 		$page = $args['page'];
 
 		// Set variable because $args['number'] can be subsequently overridden.
 		$number = $args['number'];
 
 		$offset         = ( $page - 1 ) * $number;
 		$args['offset'] = $offset;
 
 		// 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'] = 0;
 			$args['offset'] = $args['number'];
 		}
 
 		$terms = get_terms( $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 = array();
 				$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, true ) ) { // 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;
 
 		if ( $tag->parent ) {
 			$count = count( get_ancestors( $tag->term_id, $taxonomy, 'taxonomy' ) );
 			$level = 'level-' . $count;
 		} else {
 			$level = 'level-0';
 		}
 
 		echo '<tr id="tag-' . $tag->term_id . '" class="' . $level . '">';
 		$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', $tag->term_id ) ) {
 			return sprintf(
 				'<label class="screen-reader-text" for="cb-select-%1$s">%2$s</label>' .
 				'<input type="checkbox" name="delete_tags[]" value="%1$s" id="cb-select-%1$s" />',
 				$tag->term_id,
 				/* translators: %s: Taxonomy term name. */
 				sprintf( __( 'Select %s' ), $tag->name )
 			);
 		}
 
 		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 = get_edit_term_link( $tag->term_id, $taxonomy, $this->screen->post_type );
 
 		if ( $edit_link ) {
 			$edit_link = add_query_arg(
 				'wp_http_referer',
 				urlencode( wp_unslash( $uri ) ),
 				$edit_link
 			);
 			$name      = sprintf(
 				'<a class="row-title" href="%s" aria-label="%s">%s</a>',
 				esc_url( $edit_link ),
 				/* translators: %s: Taxonomy term name. */
 				esc_attr( sprintf( __( '&#8220;%s&#8221; (Edit)' ), $tag->name ) ),
 				$name
 			);
 		}
 
 		$out = sprintf(
 			'<strong>%s</strong><br />',
 			$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, or an empty string
 	 *                if the current column is not the primary column.
 	 */
 	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(
 				'<button type="button" class="button-link editinline" aria-label="%s" aria-expanded="false">%s</button>',
 				/* 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 ( is_taxonomy_viewable( $tax ) ) {
 			$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
 		 * @since 3.0.0 Deprecated in favor of {@see '{$taxonomy}_row_actions'} filter.
 		 * @since 5.4.2 Restored (un-deprecated).
 		 *
 		 * @param string[] $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.
 		 *
 		 * Possible hook names include:
 		 *
 		 *  - `category_row_actions`
 		 *  - `post_tag_row_actions`
 		 *
 		 * @since 3.0.0
 		 *
 		 * @param string[] $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 Name of the column.
 	 * @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.
 		 *
 		 * Possible hook names include:
 		 *
 		 *  - `manage_category_custom_column`
 		 *  - `manage_post_tag_custom_column`
 		 *
 		 * @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 endif; ?>
 				</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
 	}
 }