class.jetpack-modules-list-table.php — Jetpack – WP Security, Backup, Speed, & Growth 16.1-beta.2

jetpack / class.jetpack-modules-list-table.php

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class.jetpack-modules-list-table.php

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1	<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2	/**
3	* Jetpack modules list table.
4	*
5	* @package automattic/jetpack
6	*/
7
8	use Automattic\Jetpack\Assets;
9
10	if ( ! defined( 'ABSPATH' ) ) {
11	exit( 0 );
12	}
13
14	if ( ! class_exists( 'WP_List_Table' ) ) {
15	require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
16	}
17
18	/**
19	* Jetpack modules list table.
20	*/
21	class Jetpack_Modules_List_Table extends WP_List_Table {
22
23	/**
24	* Order in which product groups are displayed on the page.
25	*
26	* @var string[]
27	*/
28	const PRODUCT_GROUP_ORDER = array( 'growth', 'performance', 'security', 'other' );
29
30	/**
31	* Map of module slug to product group.
32	*
33	* Modeled on the Offline Mode dashboard grouping so the modules page reads
34	* as a set of focused product areas. Any module not listed falls back to
35	* the "other" group.
36	*
37	* @return array<string, string> Module slug => product group slug.
38	*/
39	public static function get_module_product_groups_map() {
40	return array(
41	// Grow your audience.
42	'blaze' => 'growth',
43	'comment-likes' => 'growth',
44	'comments' => 'growth',
45	'contact-form' => 'growth',
46	'gravatar-hovercards' => 'growth',
47	'likes' => 'growth',
48	'publicize' => 'growth',
49	'related-posts' => 'growth',
50	'sharedaddy' => 'growth',
51	'simple-payments' => 'growth',
52	'stats' => 'growth',
53	'subscriptions' => 'growth',
54	'woocommerce-analytics' => 'growth',
55	'wordads' => 'growth',
56	'wpcom-reader' => 'growth',
57
58	// Speed up your site.
59	'carousel' => 'performance',
60	'google-fonts' => 'performance',
61	'infinite-scroll' => 'performance',
62	'photon' => 'performance',
63	'photon-cdn' => 'performance',
64	'search' => 'performance',
65	'tiled-gallery' => 'performance',
66	'videopress' => 'performance',
67
68	// Protect your site.
69	'account-protection' => 'security',
70	'monitor' => 'security',
71	'notes' => 'security',
72	'protect' => 'security',
73	'sso' => 'security',
74	'vaultpress' => 'security',
75	'waf' => 'security',
76	);
77	}
78
79	/**
80	* Get the product group slug for a given module.
81	*
82	* @param string $slug Module slug.
83	* @return string Product group slug.
84	*/
85	public static function get_module_product_group( $slug ) {
86	$map = self::get_module_product_groups_map();
87
88	return $map[ $slug ] ?? 'other';
89	}
90
91	/**
92	* Get the translated display name for a product group.
93	*
94	* @param string $group Product group slug.
95	* @return string Translated group name.
96	*/
97	public static function get_product_group_name( $group ) {
98	switch ( $group ) {
99	case 'growth':
100	return __( 'Grow your audience', 'jetpack' );
101	case 'performance':
102	return __( 'Speed up your site', 'jetpack' );
103	case 'security':
104	return __( 'Protect your site', 'jetpack' );
105	default:
106	return __( 'Other features', 'jetpack' );
107	}
108	}
109
110	/**
111	* Whether a module is flagged as recommended.
112	*
113	* @param array $module Module data (with raw, untranslated module tags).
114	* @return bool
115	*/
116	public static function is_module_recommended( $module ) {
117	return ! empty( $module['module_tags'] ) && in_array( 'Recommended', (array) $module['module_tags'], true );
118	}
119
120	/**
121	* Remove the legacy `vaultpress` module from the modules screen.
122	*
123	* The `vaultpress` module is a leftover stub for the original standalone
124	* VaultPress plugin. It is hard-coded as never activatable (see
125	* Jetpack_Admin::is_module_available()) and is unrelated to the modern
126	* VaultPress Backup product, which is delivered through My Jetpack and the
127	* standalone Jetpack VaultPress Backup plugin rather than a Jetpack module.
128	* Showing a permanently-unavailable row that merely reuses the modern
129	* product's name is misleading, so we drop it from this screen only. Other
130	* surfaces (REST, the React dashboard, standalone plugins) are unaffected.
131	*
132	* @param array $modules Array of Jetpack modules keyed by slug.
133	* @return array Modules without the legacy `vaultpress` entry.
134	*/
135	public static function hide_legacy_vaultpress_module( $modules ) {
136	unset( $modules['vaultpress'] );
137	return $modules;
138	}
139
140	/** Constructor. */
141	public function __construct() {
142	parent::__construct();
143
144	Jetpack::init();
145
146	// Scope this to the modules screen so REST/React/standalone surfaces keep the legacy slug.
147	add_filter( 'jetpack_modules_list_table_items', array( __CLASS__, 'hide_legacy_vaultpress_module' ) );
148
149	if ( $this->compat_fields && is_array( $this->compat_fields ) ) {
150	array_push( $this->compat_fields, 'all_items' );
151	}
152
153	/**
154	* Filters the list of modules available to be displayed in the Jetpack Settings screen.
155	*
156	* @since 3.0.0
157	*
158	* @param array $modules Array of Jetpack modules.
159	*/
160	$this->all_items = apply_filters( 'jetpack_modules_list_table_items', Jetpack_Admin::init()->get_modules() );
161	$this->items = $this->all_items;
162	$this->items = $this->filter_displayed_table_items( $this->items );
163	$this->_column_headers = array( $this->get_columns(), array(), array(), 'name' );
164	// phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Nonce: This is a view, not a model or controller. InputNotSanitized: Sanitized below via `$this->module_info_check()`.
165	$modal_info = isset( $_GET['info'] ) ? wp_unslash( $_GET['info'] ) : false;
166
167	// Adding in a hidden h1 heading for screen-readers.
168	?>
169	<h1 class="screen-reader-text"><?php esc_html_e( 'Jetpack Modules List', 'jetpack' ); ?></h1>
170	<?php
171
172	wp_register_script(
173	'models.jetpack-modules',
174	Assets::get_file_url_for_environment(
175	'_inc/build/jetpack-modules.models.min.js',
176	'_inc/jetpack-modules.models.js'
177	),
178	array( 'jquery', 'backbone' ),
179	JETPACK__VERSION,
180	false // @todo Can this be put in the footer?
181	);
182	wp_register_script(
183	'views.jetpack-modules',
184	Assets::get_file_url_for_environment(
185	'_inc/build/jetpack-modules.views.min.js',
186	'_inc/jetpack-modules.views.js'
187	),
188	array( 'jquery', 'backbone', 'wp-util' ),
189	JETPACK__VERSION,
190	false // @todo Can this be put in the footer?
191	);
192	wp_register_script(
193	'jetpack-modules-list-table',
194	Assets::get_file_url_for_environment(
195	'_inc/build/jetpack-modules.min.js',
196	'_inc/jetpack-modules.js'
197	),
198	array(
199	'views.jetpack-modules',
200	'models.jetpack-modules',
201	'jquery',
202	),
203	JETPACK__VERSION,
204	true
205	);
206
207	$modules_for_js = (array) Jetpack::get_translated_modules( $this->all_items );
208	foreach ( array_keys( $modules_for_js ) as $slug ) {
209	$group = self::get_module_product_group( $slug );
210
211	$modules_for_js[ $slug ]['product_group'] = $group;
212	$modules_for_js[ $slug ]['product_group_name'] = self::get_product_group_name( $group );
213	// Detect recommendation from the raw (untranslated) module tags.
214	$modules_for_js[ $slug ]['recommended'] = isset( $this->all_items[ $slug ] ) && self::is_module_recommended( $this->all_items[ $slug ] );
215	}
216
217	wp_localize_script(
218	'jetpack-modules-list-table',
219	'jetpackModulesData',
220	array(
221	'modules' => $modules_for_js,
222	'i18n' => array(
223	'search_placeholder' => __( 'Search modules…', 'jetpack' ),
224	),
225	'modalinfo' => $this->module_info_check( $modal_info, $this->all_items ),
226	'nonces' => array(
227	'bulk' => wp_create_nonce( 'bulk-jetpack_page_jetpack_modules' ),
228	),
229	)
230	);
231
232	wp_enqueue_script( 'jetpack-modules-list-table' );
233
234	/**
235	* Filters the js_templates callback value.
236	*
237	* @since 3.6.0
238	*
239	* @param array array( $this, 'js_templates' ) js_templates callback.
240	*/
241	add_action( 'admin_footer', apply_filters( 'jetpack_modules_list_table_js_template_callback', array( $this, 'js_templates' ) ), 9 );
242	}
243
244	/**
245	* Output row template.
246	*/
247	public function js_templates() {
248	?>
249	<script type="text/html" id="tmpl-Jetpack_Modules_List_Table_Template">
250	<# var i = 0; var currentGroup = null;
251	if ( data.items.length ) {
252	_.each( data.items, function( item, key, list ) {
253	if ( item === undefined ) return;
254	if ( item.product_group !== currentGroup ) {
255	currentGroup = item.product_group; #>
256	<tr class="jetpack-module-group-header" data-group="{{ item.product_group }}">
257	<td colspan="2"><h2 class="jetpack-module-group-header__title">{{ item.product_group_name }}</h2></td>
258	</tr>
259	<# } #>
260	<tr class="jetpack-module<# if ( ++i % 2 ) { #> alternate<# } #><# if ( item.activated ) { #> active<# } #><# if ( ! item.available ) { #> unavailable<# } #>" id="{{{ item.module }}}">
261	<th scope="row" class="check-column">
262	<# if ( item.available ) { #><input type="checkbox" name="modules[]" value="{{{ item.module }}}" {{{ item.disabled }}} /><# } #>
263	</th>
264	<td class="name column-name">
265	<div class="jetpack-module__body">
266	<div class="jetpack-module__info">
267	<# if ( item.learn_more_button ) { #><a class="jetpack-module__name" href="{{{ item.learn_more_button }}}" target="_blank" rel="noopener noreferrer">{{ item.name }}</a><# } else { #><span class="jetpack-module__name">{{ item.name }}</span><# } #>
268	<# if ( item.description ) { #><span class="jetpack-module__description">{{ item.description }}</span><# } #>
269	</div>
270	<div class="jetpack-module__meta">
271	<span class="jetpack-module__badges">
272	<# if ( item.recommended && item.available ) { #><span class="jetpack-module__badge is-recommended"><?php esc_html_e( 'Recommended', 'jetpack' ); ?></span><# } #>
273	<# if ( item.available ) { #>
274	<# if ( item.activated ) { #><span class="jetpack-module__badge is-active"><?php esc_html_e( 'Active', 'jetpack' ); ?></span><# } else { #><span class="jetpack-module__badge is-inactive"><?php esc_html_e( 'Inactive', 'jetpack' ); ?></span><# } #>
275	<# } #>
276	</span>
277	<div class="row-actions">
278	<# if ( item.configurable ) { #>
279	<span class="configure">{{{ item.configurable }}}</span>
280	<# } #>
281	<# if ( item.available ) { #>
282	<# if ( item.activated ) { #>
283	<a class="jetpack-module__toggle is-active" role="switch" aria-checked="true" href="<?php echo esc_url( admin_url( 'admin.php' ) ); ?>?page=jetpack&action=deactivate&module={{{ item.module }}}&_wpnonce={{{ item.deactivate_nonce }}}"><span class="jetpack-module__toggle-track"><span class="jetpack-module__toggle-thumb"></span></span><span class="screen-reader-text"><?php esc_html_e( 'Deactivate', 'jetpack' ); ?></span></a>
284	<# } else { #>
285	<a class="jetpack-module__toggle" role="switch" aria-checked="false" href="<?php echo esc_url( admin_url( 'admin.php' ) ); ?>?page=jetpack&action=activate&module={{{ item.module }}}&_wpnonce={{{ item.activate_nonce }}}"><span class="jetpack-module__toggle-track"><span class="jetpack-module__toggle-thumb"></span></span><span class="screen-reader-text"><?php esc_html_e( 'Activate', 'jetpack' ); ?></span></a>
286	<# } #>
287	<# } else { #>
288	<span class="jetpack-module__unavailable">{{ item.unavailable_reason }}</span>
289	<# } #>
290	</div>
291	</div>
292	</div>
293	</td>
294	</tr>
295	<#
296	});
297	} else {
298	#>
299	<tr class="no-modules-found">
300	<td colspan="2"><?php esc_html_e( 'No Modules Found', 'jetpack' ); ?></td>
301	</tr>
302	<#
303	}
304	#>
305	</script>
306	<?php
307	}
308
309	/**
310	* Get views data.
311	*
312	* @return array Maps identifier to display HTML.
313	*/
314	public function get_views() {
315	/** This filter is already documented in class.jetpack-modules-list-table.php */
316	$modules = apply_filters( 'jetpack_modules_list_table_items', Jetpack_Admin::init()->get_modules() );
317	$array_of_module_tags = wp_list_pluck( $modules, 'module_tags' );
318	$module_tags = array_merge( ...array_values( $array_of_module_tags ) );
319	$module_tags = array_map( 'jetpack_get_module_i18n_tag', $module_tags );
320	$module_tags_unique = array_count_values( $module_tags );
321	ksort( $module_tags_unique );
322
323	$format = '<a href="%3$s" %4$s data-title="%1$s">%1$s</a> <span class="count">(%2$s)</span>';
324	$title = __( 'All', 'jetpack' );
325	$count = is_countable( $modules ) ? count( $modules ) : 0;
326	$url = esc_url( remove_query_arg( 'module_tag' ) );
327	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
328	$views = array(
329	'all' => sprintf( $format, $title, $count, $url, 'class="all"' ),
330	);
331	foreach ( $module_tags_unique as $title => $count ) {
332	$key = sanitize_title( $title );
333	$display_title = esc_html( wptexturize( $title ) );
334	$url = esc_url( add_query_arg( 'module_tag', rawurlencode( $title ) ) );
335	$views[ $key ] = sprintf( $format, $display_title, $count, $url, '' );
336	}
337	return $views;
338	}
339
340	/**
341	* Output views HTML.
342	*/
343	public function views() {
344	$views = $this->get_views();
345
346	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
347	$module_tag = empty( $_GET['module_tag'] ) ? 'all' : sanitize_title( wp_unslash( $_GET['module_tag'] ) );
348
349	echo "<ul class='subsubsub'>\n";
350	foreach ( $views as $class => $view ) {
351	$class_name = $class;
352	if ( $class === $module_tag ) {
353	$class_name .= ' current';
354	}
355
356	$views[ $class ] = "\t<li class='$class_name'>$view</li>";
357	}
358	echo implode( "\n", $views ) . "\n"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Is HTML. Escaping happens in get_views().
359	echo '</ul>';
360	}
361
362	/**
363	* Filter a modules array for displayed items.
364	*
365	* @param array $modules Modules.
366	* @return array Displayed modules.
367	*/
368	public function filter_displayed_table_items( $modules ) {
369	return array_filter( $modules, array( $this, 'is_module_displayed' ) );
370	}
371
372	/**
373	* Determine if a module is displayed.
374	*
375	* @param array $module Module data.
376	* @return bool
377	*/
378	public static function is_module_displayed( $module ) {
379	// Handle module tag based filtering.
380	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
381	if ( ! empty( $_REQUEST['module_tag'] ) ) {
382	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is a view, not a model or controller.
383	$module_tag = sanitize_text_field( wp_unslash( $_REQUEST['module_tag'] ) );
384	if ( ! in_array( $module_tag, array_map( 'jetpack_get_module_i18n_tag', $module['module_tags'] ), true ) ) {
385	return false;
386	}
387	}
388
389	// If nothing rejected it, include it!
390	return true;
391	}
392
393	/**
394	* Sort callback to put modules with `requires_connection` last.
395	*
396	* @param array $module1 Module data.
397	* @param array $module2 Module data.
398	* @return int Indicating the relative ordering of module1 and module2.
399	*/
400	public static function sort_requires_connection_last( $module1, $module2 ) {
401	if ( (bool) $module1['requires_connection'] === (bool) $module2['requires_connection'] ) {
402	return 0;
403	}
404	if ( $module1['requires_connection'] ) {
405	return 1;
406	}
407	if ( $module2['requires_connection'] ) {
408	return -1;
409	}
410
411	return 0;
412	}
413
414	/**
415	* Get table columns.
416	*
417	* @return string[] Column name to header HTML.
418	*/
419	public function get_columns() {
420	$columns = array(
421	'cb' => '<input type="checkbox" />',
422	'name' => __( 'Name', 'jetpack' ),
423	);
424	return $columns;
425	}
426
427	/**
428	* Get bulk actions for the table.
429	*
430	* @return string[] Actions, code => text.
431	*/
432	public function get_bulk_actions() {
433	$actions = array(
434	'bulk-activate' => __( 'Activate', 'jetpack' ),
435	'bulk-deactivate' => __( 'Deactivate', 'jetpack' ),
436	);
437	return $actions;
438	}
439
440	/**
441	* Print the module rows grouped by product group.
442	*
443	* Overrides WP_List_Table::display_rows() so the server-rendered (no-JS)
444	* output matches the grouped, card-style layout produced by the Backbone
445	* template.
446	*/
447	public function display_rows() {
448	$buckets = array();
449	foreach ( self::PRODUCT_GROUP_ORDER as $group ) {
450	$buckets[ $group ] = array();
451	}
452
453	foreach ( $this->items as $item ) {
454	$group = self::get_module_product_group( $item['module'] );
455	$buckets[ $group ][] = $item;
456	}
457
458	foreach ( $buckets as $group => $items ) {
459	if ( empty( $items ) ) {
460	continue;
461	}
462	$this->group_header_row( $group );
463	foreach ( $items as $item ) {
464	$this->single_row( $item );
465	}
466	}
467	}
468
469	/**
470	* Print a product group header row.
471	*
472	* @param string $group Product group slug.
473	*/
474	protected function group_header_row( $group ) {
475	printf(
476	'<tr class="jetpack-module-group-header" data-group="%1$s"><td colspan="2"><h2 class="jetpack-module-group-header__title">%2$s</h2></td></tr>',
477	esc_attr( $group ),
478	esc_html( self::get_product_group_name( $group ) )
479	);
480	}
481
482	/**
483	* Print a single row of the table.
484	*
485	* @param object\|array $item Item.
486	*/
487	public function single_row( $item ) {
488	static $i = 0;
489	$row_class = ( ( ++$i ) % 2 ) ? ' alternate' : '';
490
491	$available = Jetpack_Admin::is_module_available( $item );
492
493	if ( ! empty( $item['activated'] ) ) {
494	$row_class .= ' active';
495	}
496	if ( ! $available ) {
497	$row_class .= ' unavailable';
498	}
499
500	echo '<tr class="jetpack-module' . esc_attr( $row_class ) . '" id="' . esc_attr( $item['module'] ) . '">';
501
502	echo '<th scope="row" class="check-column">';
503	if ( $available ) {
504	printf( '<input type="checkbox" name="modules[]" value="%s" />', esc_attr( $item['module'] ) );
505	}
506	echo '</th>';
507
508	echo '<td class="name column-name">';
509	echo '<div class="jetpack-module__body">';
510
511	echo '<div class="jetpack-module__info">';
512	if ( ! empty( $item['learn_more_button'] ) ) {
513	printf(
514	'<a class="jetpack-module__name" href="%1$s" target="_blank" rel="noopener noreferrer">%2$s</a>',
515	esc_url( $item['learn_more_button'] ),
516	wp_kses_post( wptexturize( $item['name'] ) )
517	);
518	} else {
519	echo '<span class="jetpack-module__name">' . wp_kses_post( wptexturize( $item['name'] ) ) . '</span>';
520	}
521	if ( ! empty( $item['description'] ) ) {
522	echo '<span class="jetpack-module__description">' . esc_html( wp_strip_all_tags( $item['description'] ) ) . '</span>';
523	}
524	echo '</div>';
525
526	echo '<div class="jetpack-module__meta">';
527	echo '<span class="jetpack-module__badges">';
528	if ( $available && self::is_module_recommended( $item ) ) {
529	echo '<span class="jetpack-module__badge is-recommended">' . esc_html__( 'Recommended', 'jetpack' ) . '</span>';
530	}
531	if ( $available ) {
532	if ( ! empty( $item['activated'] ) ) {
533	echo '<span class="jetpack-module__badge is-active">' . esc_html__( 'Active', 'jetpack' ) . '</span>';
534	} else {
535	echo '<span class="jetpack-module__badge is-inactive">' . esc_html__( 'Inactive', 'jetpack' ) . '</span>';
536	}
537	}
538	echo '</span>';
539
540	echo '<div class="row-actions">';
541	if ( ! empty( $item['configurable'] ) ) {
542	echo '<span class="configure">' . wp_kses_post( $item['configurable'] ) . '</span>';
543	}
544	if ( $available ) {
545	echo $this->get_module_toggle_html( $item ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Escaped in helper.
546	} elseif ( ! empty( $item['unavailable_reason'] ) ) {
547	echo '<span class="jetpack-module__unavailable">' . wp_kses_post( $item['unavailable_reason'] ) . '</span>';
548	}
549	// Close .row-actions, .jetpack-module__meta, and .jetpack-module__body.
550	echo '</div></div></div>';
551	echo '</td>';
552	echo '</tr>';
553	}
554
555	/**
556	* Build the activate/deactivate toggle control markup for a module row.
557	*
558	* @param object\|array $item Module data.
559	* @return string HTML.
560	*/
561	protected function get_module_toggle_html( $item ) {
562	$is_active = ! empty( $item['activated'] );
563
564	if ( $is_active ) {
565	$url = wp_nonce_url(
566	Jetpack::admin_url(
567	array(
568	'page' => 'jetpack',
569	'action' => 'deactivate',
570	'module' => $item['module'],
571	)
572	),
573	'jetpack_deactivate-' . $item['module']
574	);
575	$label = sprintf(
576	/* translators: %s: Jetpack module name. */
577	__( 'Deactivate %s', 'jetpack' ),
578	$item['name']
579	);
580	$class = 'jetpack-module__toggle is-active';
581	$aria = 'true';
582	} else {
583	$url = wp_nonce_url(
584	Jetpack::admin_url(
585	array(
586	'page' => 'jetpack',
587	'action' => 'activate',
588	'module' => $item['module'],
589	)
590	),
591	'jetpack_activate-' . $item['module']
592	);
593	$label = sprintf(
594	/* translators: %s: Jetpack module name. */
595	__( 'Activate %s', 'jetpack' ),
596	$item['name']
597	);
598	$class = 'jetpack-module__toggle';
599	$aria = 'false';
600	}
601
602	return sprintf(
603	'<a class="%1$s" role="switch" aria-checked="%2$s" href="%3$s"><span class="jetpack-module__toggle-track"><span class="jetpack-module__toggle-thumb"></span></span><span class="screen-reader-text">%4$s</span></a>',
604	esc_attr( $class ),
605	esc_attr( $aria ),
606	esc_url( $url ),
607	esc_html( $label )
608	);
609	}
610
611	/**
612	* Table classes.
613	*
614	* @return string[] HTML.
615	*/
616	public function get_table_classes() {
617	return array( 'table', 'table-bordered', 'wp-list-table', 'widefat', 'fixed' );
618	}
619
620	/**
621	* Check if the info parameter provided in the URL corresponds to an actual module.
622	*
623	* @param string\|false $info Info parameter.
624	* @param array $modules Modules array.
625	* @return string\|false
626	*/
627	public function module_info_check( $info, $modules ) {
628	if ( ! $info ) {
629	return false;
630	} elseif ( array_key_exists( $info, $modules ) ) {
631	return $info;
632	}
633	}
634
635	/**
636	* Core switched their `display_tablenav()` method to protected, so we can't access it directly.
637	* Instead, let's include an access function to make it doable without errors!
638	*
639	* @see https://github.com/WordPress/WordPress/commit/d28f6344de97616de8ece543ed290c4ba2383622
640	*
641	* @param string $which Which nav table to display.
642	* @return mixed
643	*/
644	public function unprotected_display_tablenav( $which = 'top' ) {
645	return $this->display_tablenav( $which );
646	}
647	}
648