class-strong-testimonials-list-table.php — Strong Testimonials 3.3.2

strong-testimonials / admin / class-strong-testimonials-list-table.php

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class-strong-testimonials-list-table.php

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1	<?php
2	/**
3	* Base class for displaying a list of items in an ajaxified HTML table.
4	*
5	* -!- This is a copy of /wp-admin/includes/class-wp-list-table.php. -!-
6	* See Codex for reasoning.
7	* @link http://codex.wordpress.org/Class_Reference/WP_List_Table
8	*
9	* @since 3.1.0
10	* @access private
11	*/
12
13	if ( ! class_exists( 'Strong_Testimonials_List_Table' ) ) :
14
15	class Strong_Testimonials_List_Table {
16
17	/**
18	* The current list of items
19	*
20	* @since 3.1.0
21	* @var array
22	* @access public
23	*/
24	public $items;
25
26	/**
27	* Various information about the current table
28	*
29	* @since 3.1.0
30	* @var array
31	* @access protected
32	*/
33	protected $_args;
34
35	/**
36	* Various information needed for displaying the pagination
37	*
38	* @since 3.1.0
39	* @var array
40	*/
41	protected $_pagination_args = array();
42
43	/**
44	* The current screen
45	*
46	* @since 3.1.0
47	* @var object
48	* @access protected
49	*/
50	protected $screen;
51
52	/**
53	* Cached bulk actions
54	*
55	* @since 3.1.0
56	* @var array
57	* @access private
58	*/
59	private $_actions;
60
61	/**
62	* Cached pagination output
63	*
64	* @since 3.1.0
65	* @var string
66	* @access private
67	*/
68	private $_pagination;
69
70	/**
71	* The view switcher modes.
72	*
73	* @since 4.1.0
74	* @var array
75	* @access protected
76	*/
77	protected $modes = array();
78
79	/**
80	* Stores the value returned by ->get_column_info()
81	*
82	* @var array
83	*/
84	protected $_column_headers;
85
86	protected $compat_fields = array( '_args', '_pagination_args', 'screen', '_actions', '_pagination' );
87
88	protected $compat_methods = array(
89	'set_pagination_args',
90	'get_views',
91	'get_bulk_actions',
92	'bulk_actions',
93	'row_actions',
94	'months_dropdown',
95	'view_switcher',
96	'comments_bubble',
97	'get_items_per_page',
98	'pagination',
99	'get_sortable_columns',
100	'get_column_info',
101	'get_table_classes',
102	'display_tablenav',
103	'extra_tablenav',
104	'single_row_columns',
105	);
106
107	/**
108	* Constructor.
109	*
110	* The child class should call this constructor from its own constructor to override
111	* the default $args.
112	*
113	* @since 3.1.0
114	* @access public
115	*
116	* @param array\|string $args {
117	* Array or string of arguments.
118	*
119	* @type string $plural Plural value used for labels and the objects being listed.
120	* This affects things such as CSS class-names and nonces used
121	* in the list table, e.g. 'posts'. Default empty.
122	* @type string $singular Singular label for an object being listed, e.g. 'post'.
123	* Default empty
124	* @type bool $ajax Whether the list table supports AJAX. This includes loading
125	* and sorting data, for example. If true, the class will call
126	* the {@see _js_vars()} method in the footer to provide variables
127	* to any scripts handling AJAX events. Default false.
128	* @type string $screen String containing the hook name used to determine the current
129	* screen. If left null, the current screen will be automatically set.
130	* Default null.
131	* }
132	*/
133	public function __construct( $args = array() ) {
134	$args = wp_parse_args(
135	$args,
136	array(
137	'plural' => '',
138	'singular' => '',
139	'ajax' => false,
140	'screen' => null,
141	)
142	);
143
144	$this->screen = convert_to_screen( $args['screen'] );
145
146	add_filter( "manage_{$this->screen->id}_columns", array( $this, 'get_columns' ), 0 );
147
148	if ( ! $args['plural'] ) {
149	$args['plural'] = $this->screen->base;
150	}
151
152	$args['plural'] = sanitize_key( $args['plural'] );
153	$args['singular'] = sanitize_key( $args['singular'] );
154
155	$this->_args = $args;
156
157	if ( $args['ajax'] ) {
158	// wp_enqueue_script( 'list-table' );
159	add_action( 'admin_footer', array( $this, '_js_vars' ) );
160	}
161
162	if ( empty( $this->modes ) ) {
163	$this->modes = array(
164	'list' => esc_html__( 'List View', 'strong-testimonials' ),
165	'excerpt' => esc_html__( 'Excerpt View', 'strong-testimonials' ),
166	);
167	}
168	}
169
170	/**
171	* Make private properties readable for backwards compatibility.
172	*
173	* @since 4.0.0
174	* @access public
175	*
176	* @param string $name Property to get.
177	* @return mixed Property.
178	*/
179	public function __get( $name ) {
180	if ( in_array( $name, $this->compat_fields, true ) ) {
181	return $this->$name;
182	}
183	}
184
185	/**
186	* Make private properties settable for backwards compatibility.
187	*
188	* @since 4.0.0
189	* @access public
190	*
191	* @param string $name Property to check if set.
192	* @param mixed $value Property value.
193	* @return mixed Newly-set property.
194	*/
195	public function __set( $name, $value ) {
196	if ( in_array( $name, $this->compat_fields, true ) ) {
197	return $this->$name = $value;
198	}
199	}
200
201	/**
202	* Make private properties checkable for backwards compatibility.
203	*
204	* @since 4.0.0
205	* @access public
206	*
207	* @param string $name Property to check if set.
208	* @return bool Whether the property is set.
209	*/
210	public function __isset( $name ) {
211	if ( in_array( $name, $this->compat_fields, true ) ) {
212	return isset( $this->$name );
213	}
214	}
215
216	/**
217	* Make private properties un-settable for backwards compatibility.
218	*
219	* @since 4.0.0
220	* @access public
221	*
222	* @param string $name Property to unset.
223	*/
224	public function __unset( $name ) {
225	if ( in_array( $name, $this->compat_fields, true ) ) {
226	unset( $this->$name );
227	}
228	}
229
230	/**
231	* Make private/protected methods readable for backwards compatibility.
232	*
233	* @since 4.0.0
234	* @access public
235	*
236	* @param callable $name Method to call.
237	* @param array $arguments Arguments to pass when calling.
238	* @return mixed\|bool Return value of the callback, false otherwise.
239	*/
240	public function __call( $name, $arguments ) {
241	if ( in_array( $name, $this->compat_methods, true ) ) {
242	return call_user_func_array( array( $this, $name ), $arguments );
243	}
244	return false;
245	}
246
247	/**
248	* Checks the current user's permissions
249	*
250	* @since 3.1.0
251	* @access public
252	* @abstract
253	*/
254	public function ajax_user_can() {
255	die( 'function WP_List_Table::ajax_user_can() must be over-ridden in a sub-class.' );
256	}
257
258	/**
259	* Prepares the list of items for displaying.
260	* @uses WP_List_Table::set_pagination_args()
261	*
262	* @since 3.1.0
263	* @access public
264	* @abstract
265	*/
266	public function prepare_items() {
267	die( 'function WP_List_Table::prepare_items() must be over-ridden in a sub-class.' );
268	}
269
270	/**
271	* An internal method that sets all the necessary pagination arguments
272	*
273	* @param array $args An associative array with information about the pagination
274	* @access protected
275	*/
276	protected function set_pagination_args( $args ) {
277	$args = wp_parse_args(
278	$args,
279	array(
280	'total_items' => 0,
281	'total_pages' => 0,
282	'per_page' => 0,
283	)
284	);
285
286	if ( ! $args['total_pages'] && $args['per_page'] > 0 ) {
287	$args['total_pages'] = ceil( $args['total_items'] / $args['per_page'] );
288	}
289
290	// Redirect if page number is invalid and headers are not already sent.
291	if ( ! headers_sent() && ( ! defined( 'DOING_AJAX' ) \|\| ! DOING_AJAX ) && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {
292	wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) );
293	exit;
294	}
295
296	$this->_pagination_args = $args;
297	}
298
299	/**
300	* Access the pagination args.
301	*
302	* @since 3.1.0
303	* @access public
304	*
305	* @param string $key Pagination argument to retrieve. Common values include 'total_items',
306	* 'total_pages', 'per_page', or 'infinite_scroll'.
307	* @return int Number of items that correspond to the given pagination argument.
308	*/
309	public function get_pagination_arg( $key ) {
310	if ( 'page' === $key ) {
311	return $this->get_pagenum();
312	}
313
314	if ( isset( $this->_pagination_args[ $key ] ) ) {
315	return $this->_pagination_args[ $key ];
316	}
317	}
318
319	/**
320	* Whether the table has items to display or not
321	*
322	* @since 3.1.0
323	* @access public
324	*
325	* @return bool
326	*/
327	public function has_items() {
328	return ! empty( $this->items );
329	}
330
331	/**
332	* Message to be displayed when there are no items
333	*
334	* @since 3.1.0
335	* @access public
336	*/
337	public function no_items() {
338	esc_html_e( 'No items found.', 'strong-testimonials' );
339	}
340
341	/**
342	* Display the search box.
343	*
344	* @since 3.1.0
345	* @access public
346	*
347	* @param string $text The search button text
348	* @param string $input_id The search input id
349	*/
350	public function search_box( $text, $input_id ) {
351	if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) {
352	return;
353	}
354
355	$input_id = $input_id . '-search-input';
356
357	if ( ! empty( $_REQUEST['orderby'] ) ) {
358	echo '<input type="hidden" name="orderby" value="' . esc_attr( sanitize_text_field( wp_unslash( $_REQUEST['orderby'] ) ) ) . '">';
359	}
360	if ( ! empty( $_REQUEST['order'] ) ) {
361	echo '<input type="hidden" name="order" value="' . esc_attr( sanitize_text_field( wp_unslash( $_REQUEST['order'] ) ) ) . '">';
362	}
363	if ( ! empty( $_REQUEST['post_mime_type'] ) ) {
364	echo '<input type="hidden" name="post_mime_type" value="' . esc_attr( sanitize_text_field( wp_unslash( $_REQUEST['post_mime_type'] ) ) ) . '">';
365	}
366	if ( ! empty( $_REQUEST['detached'] ) ) {
367	echo '<input type="hidden" name="detached" value="' . esc_attr( sanitize_text_field( wp_unslash( $_REQUEST['detached'] ) ) ) . '">';
368	}
369	?>
370	<p class="search-box">
371	<label class="screen-reader-text" for="<?php echo esc_attr( $input_id ); ?>"><?php echo esc_html( $text ); ?>:</label>
372	<input type="search" id="<?php echo esc_attr( $input_id ); ?>" name="s" value="<?php _admin_search_query(); ?>">
373	<?php submit_button( esc_html( $text ), 'button', '', false, array( 'id' => 'search-submit' ) ); ?>
374	</p>
375	<?php
376	}
377
378	/**
379	* Get an associative array ( id => link ) with the list
380	* of views available on this table.
381	*
382	* @since 3.1.0
383	* @access protected
384	*
385	* @return array
386	*/
387	protected function get_views() {
388	return array();
389	}
390
391	/**
392	* Display the list of views available on this table.
393	*
394	* @since 3.1.0
395	* @access public
396	*/
397	public function views() {
398	$views = $this->get_views();
399	/**
400	* Filter the list of available list table views.
401	*
402	* The dynamic portion of the hook name, `$this->screen->id`, refers
403	* to the ID of the current screen, usually a string.
404	*
405	* @since 3.5.0
406	*
407	* @param array $views An array of available list table views.
408	*/
409	$views = apply_filters( "views_{$this->screen->id}", $views );
410
411	if ( empty( $views ) ) {
412	return;
413	}
414
415	echo "<ul class='subsubsub'>\n";
416	foreach ( $views as $class => $view ) {
417	$views[ $class ] = "\t<li class='$class'>$view";
418	}
419	echo implode( " \|</li>\n", wp_kses_post( $views ) ) . "</li>\n";
420	echo '</ul>';
421	}
422
423	/**
424	* Get an associative array ( option_name => option_title ) with the list
425	* of bulk actions available on this table.
426	*
427	* @since 3.1.0
428	* @access protected
429	*
430	* @return array
431	*/
432	protected function get_bulk_actions() {
433	return array();
434	}
435
436	/**
437	* Display the bulk actions dropdown.
438	*
439	* @since 3.1.0
440	* @access protected
441	*
442	* @param string $which The location of the bulk actions: 'top' or 'bottom'.
443	* This is designated as optional for backwards-compatibility.
444	*/
445	protected function bulk_actions( $which = '' ) {
446	if ( is_null( $this->_actions ) ) {
447	$no_new_actions = $this->get_bulk_actions();
448	$this->_actions = $no_new_actions;
449	/**
450	* Filter the list table Bulk Actions drop-down.
451	*
452	* The dynamic portion of the hook name, `$this->screen->id`, refers
453	* to the ID of the current screen, usually a string.
454	*
455	* This filter can currently only be used to remove bulk actions.
456	*
457	* @since 3.5.0
458	*
459	* @param array $actions An array of the available bulk actions.
460	*/
461	$this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions ); // phpcs:ignore
462	$this->_actions = array_intersect_assoc( $this->_actions, $no_new_actions );
463	$two = '';
464	} else {
465	$two = '2';
466	}
467
468	if ( empty( $this->_actions ) ) {
469	return;
470	}
471
472	echo "<label for='bulk-action-selector-" . esc_attr( $which ) . "' class='screen-reader-text'>" . esc_html__( 'Select bulk action', 'strong-testimonials' ) . '</label>';
473	echo "<select name='action" . esc_attr( $two ) . "' id='bulk-action-selector-" . esc_attr( $which ) . "'>\n";
474	echo "<option value='-1' selected='selected'>" . esc_html__( 'Bulk Actions', 'strong-testimonials' ) . "</option>\n";
475
476	foreach ( $this->_actions as $name => $title ) {
477	$class = 'edit' === $name ? 'hide-if-no-js' : '';
478
479	echo "\t<option value='" . esc_attr( $name ) . "' class='" . esc_attr( $class ) . "'>" . esc_html( $title ) . "</option>\n";
480	}
481
482	echo "</select>\n";
483
484	submit_button( esc_html__( 'Apply', 'strong-testimonials' ), 'action', '', false, array( 'id' => "doaction$two" ) );
485	echo "\n";
486	}
487
488	/**
489	* Get the current action selected from the bulk actions dropdown.
490	*
491	* @since 3.1.0
492	* @access public
493	*
494	* @return string\|bool The action name or False if no action was selected
495	*/
496	public function current_action() {
497	if ( isset( $_REQUEST['filter_action'] ) && ! empty( $_REQUEST['filter_action'] ) ) {
498	return false;
499	}
500
501	if ( isset( $_REQUEST['action'] ) && -1 !== (int) $_REQUEST['action'] ) {
502	return sanitize_text_field( wp_unslash( $_REQUEST['action'] ) );
503	}
504
505	if ( isset( $_REQUEST['action2'] ) && -1 !== (int) $_REQUEST['action2'] ) {
506	return sanitize_text_field( wp_unslash( $_REQUEST['action2'] ) );
507	}
508
509	return false;
510	}
511
512	/**
513	* Generate row actions div
514	*
515	* @since 3.1.0
516	* @access protected
517	*
518	* @param array $actions The list of actions
519	* @param bool $always_visible Whether the actions should be always visible
520	* @return string
521	*/
522	protected function row_actions( $actions, $always_visible = false ) {
523	$action_count = count( $actions );
524	$i = 0;
525
526	if ( ! $action_count ) {
527	return '';
528	}
529
530	$out = '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">';
531	foreach ( $actions as $action => $link ) {
532	++$i;
533	( $i === $action_count ) ? $sep = '' : $sep = ' \| ';
534	$out .= "<span class='$action'>$link$sep</span>";
535	}
536	$out .= '</div>';
537
538	return $out;
539	}
540
541	/**
542	* Display a monthly dropdown for filtering items
543	*
544	* @since 3.1.0
545	* @access protected
546	*
547	* @param string $post_type
548	*/
549	protected function months_dropdown( $post_type ) {
550	global $wpdb, $wp_locale;
551
552	/**
553	* Filter whether to remove the 'Months' drop-down from the post list table.
554	*
555	* @since 4.2.0
556	*
557	* @param bool $disable Whether to disable the drop-down. Default false.
558	* @param string $post_type The post type.
559	*/
560	if ( apply_filters( 'disable_months_dropdown', false, $post_type ) ) {
561	return;
562	}
563
564	$months = $wpdb->get_results(
565	$wpdb->prepare(
566	"
567	SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
568	FROM $wpdb->posts
569	WHERE post_type = %s
570	ORDER BY post_date DESC
571	",
572	$post_type
573	)
574	);
575
576	/**
577	* Filter the 'Months' drop-down results.
578	*
579	* @since 3.7.0
580	*
581	* @param object $months The months drop-down query results.
582	* @param string $post_type The post type.
583	*/
584	$months = apply_filters( 'months_dropdown_results', $months, $post_type );
585
586	$month_count = count( $months );
587
588	if ( ! $month_count \|\| ( 1 === $month_count && 0 === (int) $months[0]->month ) ) {
589	return;
590	}
591
592	$m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0;
593	?>
594	<label for="filter-by-date" class="screen-reader-text"><?php esc_html_e( 'Filter by date', 'strong-testimonials' ); ?></label>
595	<select name="m" id="filter-by-date">
596	<option<?php selected( $m, 0 ); ?> value="0"><?php esc_html_e( 'All dates', 'strong-testimonials' ); ?></option>
597	<?php
598	foreach ( $months as $arc_row ) {
599	if ( 0 === (int) $arc_row->year ) {
600	continue;
601	}
602
603	$month = zeroise( $arc_row->month, 2 );
604	$year = $arc_row->year;
605
606	printf(
607	"<option %s value='%s'>%s</option>\n",
608	selected( $m, $year . $month, false ),
609	esc_attr( $arc_row->year . $month ),
610	/* translators: 1: month name, 2: 4-digit year */
611	sprintf( '%1$s %2$d', esc_html( $wp_locale->get_month( $month ) ), esc_html( $year ) )
612	);
613	}
614	?>
615	</select>
616	<?php
617	}
618
619	/**
620	* Display a view switcher
621	*
622	* @since 3.1.0
623	* @access protected
624	*
625	* @param string $current_mode
626	*/
627	protected function view_switcher( $current_mode ) {
628	?>
629	<input type="hidden" name="mode" value="<?php echo esc_attr( $current_mode ); ?>">
630	<div class="view-switch">
631	<?php
632	foreach ( $this->modes as $mode => $title ) {
633	$classes = array( 'view-' . $mode );
634	if ( $current_mode === $mode ) {
635	$classes[] = 'current';
636	}
637	printf(
638	"<a href='%s' class='%s' id='view-switch-%s'><span class='screen-reader-text'>%s</span></a>\n",
639	esc_url( add_query_arg( 'mode', $mode ) ),
640	esc_attr( implode( ' ', $classes ) ),
641	esc_attr( $mode ),
642	esc_html( $title )
643	);
644	}
645	?>
646	</div>
647	<?php
648	}
649
650	/**
651	* Display a comment count bubble
652	*
653	* @since 3.1.0
654	* @access protected
655	*
656	* @param int $post_id The post ID.
657	* @param int $pending_comments Number of pending comments.
658	*/
659	protected function comments_bubble( $post_id, $pending_comments ) {
660	// translators: %s is the number of pending comments.
661	$pending_phrase = sprintf( __( '%s pending', 'strong-testimonials' ), number_format( $pending_comments ) );
662
663	if ( $pending_comments ) {
664	echo '<strong>';
665	}
666
667	echo "<a href='" . esc_url( add_query_arg( 'p', absint( $post_id ), admin_url( 'edit-comments.php' ) ) ) . "' title='" . esc_attr( $pending_phrase ) . "' class='post-com-count'><span class='comment-count'>" . absint( number_format_i18n( get_comments_number() ) ) . '</span></a>';
668
669	if ( $pending_comments ) {
670	echo '</strong>';
671	}
672	}
673
674	/**
675	* Get the current page number
676	*
677	* @since 3.1.0
678	* @access public
679	*
680	* @return int
681	*/
682	public function get_pagenum() {
683	$pagenum = isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 0;
684
685	if ( isset( $this->_pagination_args['total_pages'] ) && $pagenum > $this->_pagination_args['total_pages'] ) {
686	$pagenum = $this->_pagination_args['total_pages'];
687	}
688
689	return max( 1, $pagenum );
690	}
691
692	/**
693	* Get number of items to display on a single page
694	*
695	* @since 3.1.0
696	* @access protected
697	*
698	* @param string $option
699	* @param int $default_per_page
700	* @return int
701	*/
702	protected function get_items_per_page( $option, $default_per_page = 20 ) {
703	$per_page = (int) get_user_option( $option );
704	if ( empty( $per_page ) \|\| $per_page < 1 ) {
705	$per_page = $default_per_page;
706	}
707
708	/**
709	* Filter the number of items to be displayed on each page of the list table.
710	*
711	* The dynamic hook name, $option, refers to the `per_page` option depending
712	* on the type of list table in use. Possible values include: 'edit_comments_per_page',
713	* 'sites_network_per_page', 'site_themes_network_per_page', 'themes_network_per_page',
714	* 'users_network_per_page', 'edit_post_per_page', 'edit_page_per_page',
715	* 'edit_{$post_type}_per_page', etc.
716	*
717	* @since 2.9.0
718	*
719	* @param int $per_page Number of items to be displayed. Default 20.
720	*/
721	return (int) apply_filters( $option, $per_page );
722	}
723
724	/**
725	* Display the pagination.
726	*
727	* @since 3.1.0
728	* @access protected
729	*
730	* @param string $which
731	*/
732	protected function pagination( $which ) {
733	if ( empty( $this->_pagination_args ) ) {
734	return;
735	}
736
737	$total_items = $this->_pagination_args['total_items'];
738	$total_pages = $this->_pagination_args['total_pages'];
739	$infinite_scroll = false;
740	if ( isset( $this->_pagination_args['infinite_scroll'] ) ) {
741	$infinite_scroll = $this->_pagination_args['infinite_scroll'];
742	}
743	// translators: %s is the count of pagin ation items.
744	$output = '<span class="displaying-num">' . sprintf( _n( '%s item', '%s items', $total_items, 'strong-testimonials' ), number_format_i18n( $total_items ) ) . '</span>';
745
746	$current = $this->get_pagenum();
747
748	$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
749
750	$current_url = remove_query_arg( array( 'hotkeys_highlight_last', 'hotkeys_highlight_first' ), $current_url );
751
752	$page_links = array();
753
754	$disable_first = '';
755	$disable_last = '';
756	if ( 1 === absint( $current ) ) {
757	$disable_first = ' disabled';
758	}
759	if ( absint( $current ) === absint( $total_pages ) ) {
760	$disable_last = ' disabled';
761	}
762	$page_links[] = sprintf(
763	"<a class='%s' title='%s' href='%s'>%s</a>",
764	'first-page' . $disable_first,
765	esc_attr__( 'Go to the first page', 'strong-testimonials' ),
766	esc_url( remove_query_arg( 'paged', $current_url ) ),
767	'«'
768	);
769
770	$page_links[] = sprintf(
771	"<a class='%s' title='%s' href='%s'>%s</a>",
772	'prev-page' . $disable_first,
773	esc_attr__( 'Go to the previous page', 'strong-testimonials' ),
774	esc_url( add_query_arg( 'paged', max( 1, $current - 1 ), $current_url ) ),
775	'&lsaquo;'
776	);
777
778	if ( 'bottom' === $which ) {
779	$html_current_page = $current;
780	} else {
781	$html_current_page = sprintf(
782	"%s<input class='current-page' id='current-page-selector' title='%s' type='text' name='paged' value='%s' size='%d'>",
783	'<label for="current-page-selector" class="screen-reader-text">' . __( 'Select Page', 'strong-testimonials' ) . '</label>',
784	esc_attr__( 'Current page', 'strong-testimonials' ),
785	$current,
786	strlen( $total_pages )
787	);
788	}
789	$html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
790	// translators: %1$s is the current page number. %1$s is the total number of pages.
791	$page_links[] = '<span class="paging-input">' . sprintf( _x( '%1$s of %1$s', 'paging', 'strong-testimonials' ), $html_current_page, $html_total_pages ) . '</span>';
792
793	$page_links[] = sprintf(
794	"<a class='%s' title='%s' href='%s'>%s</a>",
795	'next-page' . $disable_last,
796	esc_attr__( 'Go to the next page', 'strong-testimonials' ),
797	esc_url( add_query_arg( 'paged', min( $total_pages, $current + 1 ), $current_url ) ),
798	'&rsaquo;'
799	);
800
801	$page_links[] = sprintf(
802	"<a class='%s' title='%s' href='%s'>%s</a>",
803	'last-page' . $disable_last,
804	esc_attr__( 'Go to the last page', 'strong-testimonials' ),
805	esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ),
806	'»'
807	);
808
809	$pagination_links_class = 'pagination-links';
810	if ( ! empty( $infinite_scroll ) ) {
811	$pagination_links_class = ' hide-if-js';
812	}
813	$output .= "\n<span class='$pagination_links_class'>" . implode( "\n", $page_links ) . '</span>';
814
815	if ( $total_pages ) {
816	$page_class = $total_pages < 2 ? ' one-page' : '';
817	} else {
818	$page_class = ' no-pages';
819	}
820	$this->_pagination = "<div class='tablenav-pages{$page_class}'>$output</div>";
821
822	echo $this->_pagination;
823	}
824
825	/**
826	* Get a list of columns. The format is:
827	* 'internal-name' => 'Title'
828	*
829	* @since 3.1.0
830	* @access public
831	* @abstract
832	*
833	* @return array
834	*/
835	public function get_columns() {
836	die( 'function WP_List_Table::get_columns() must be over-ridden in a sub-class.' );
837	}
838
839	/**
840	* Get a list of sortable columns. The format is:
841	* 'internal-name' => 'orderby'
842	* or
843	* 'internal-name' => array( 'orderby', true )
844	*
845	* The second format will make the initial sorting order be descending
846	*
847	* @since 3.1.0
848	* @access protected
849	*
850	* @return array
851	*/
852	protected function get_sortable_columns() {
853	return array();
854	}
855
856	/**
857	* Get a list of all, hidden and sortable columns, with filter applied
858	*
859	* @since 3.1.0
860	* @access protected
861	*
862	* @return array
863	*/
864	protected function get_column_info() {
865	if ( isset( $this->_column_headers ) ) {
866	return $this->_column_headers;
867	}
868
869	$columns = get_column_headers( $this->screen );
870	$hidden = get_hidden_columns( $this->screen );
871
872	$sortable_columns = $this->get_sortable_columns();
873	/**
874	* Filter the list table sortable columns for a specific screen.
875	*
876	* The dynamic portion of the hook name, `$this->screen->id`, refers
877	* to the ID of the current screen, usually a string.
878	*
879	* @since 3.5.0
880	*
881	* @param array $sortable_columns An array of sortable columns.
882	*/
883	$_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $sortable_columns );
884
885	$sortable = array();
886	foreach ( $_sortable as $id => $data ) {
887	if ( empty( $data ) ) {
888	continue;
889	}
890
891	$data = (array) $data;
892	if ( ! isset( $data[1] ) ) {
893	$data[1] = false;
894	}
895
896	$sortable[ $id ] = $data;
897	}
898
899	$this->_column_headers = array( $columns, $hidden, $sortable );
900
901	return $this->_column_headers;
902	}
903
904	/**
905	* Return number of visible columns
906	*
907	* @since 3.1.0
908	* @access public
909	*
910	* @return int
911	*/
912	public function get_column_count() {
913	list ( $columns, $hidden ) = $this->get_column_info();
914	$hidden = array_intersect( array_keys( $columns ), array_filter( $hidden ) );
915	return count( $columns ) - count( $hidden );
916	}
917
918	/**
919	* Print column headers, accounting for hidden and sortable columns.
920	*
921	* @since 3.1.0
922	* @access public
923	*
924	* @param bool $with_id Whether to set the id attribute or not
925	*/
926	public function print_column_headers( $with_id = true ) {
927	list( $columns, $hidden, $sortable ) = $this->get_column_info();
928
929	$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
930	$current_url = remove_query_arg( 'paged', $current_url );
931
932	if ( isset( $_GET['orderby'] ) ) {
933	$current_orderby = sanitize_text_field( wp_unslash( $_GET['orderby'] ) );
934	} else {
935	$current_orderby = '';
936	}
937
938	if ( isset( $_GET['order'] ) && 'desc' === $_GET['order'] ) {
939	$current_order = 'desc';
940	} else {
941	$current_order = 'asc';
942	}
943
944	if ( ! empty( $columns['cb'] ) ) {
945	static $cb_counter = 1;
946	$columns['cb'] = '<label class="screen-reader-text" for="cb-select-all-' . $cb_counter . '">' . esc_html__( 'Select All', 'strong-testimonials' ) . '</label>'
947	. '<input id="cb-select-all-' . $cb_counter . '" type="checkbox">';
948	++$cb_counter;
949	}
950
951	foreach ( $columns as $column_key => $column_display_name ) {
952	$class = array( 'manage-column', "column-$column_key" );
953
954	$style = '';
955	if ( in_array( $column_key, $hidden, true ) ) {
956	$style = 'display:none;';
957	}
958
959	$style = ' style="' . $style . '"';
960
961	if ( 'cb' === $column_key ) {
962	$class[] = 'check-column';
963	} elseif ( in_array( $column_key, array( 'posts', 'comments', 'links' ), true ) ) {
964	$class[] = 'num';
965	}
966
967	if ( isset( $sortable[ $column_key ] ) ) {
968	list( $orderby, $desc_first ) = $sortable[ $column_key ];
969
970	if ( $current_orderby === $orderby ) {
971	$order = 'asc' === $current_order ? 'desc' : 'asc';
972	$class[] = 'sorted';
973	$class[] = $current_order;
974	} else {
975	$order = $desc_first ? 'desc' : 'asc';
976	$class[] = 'sortable';
977	$class[] = $desc_first ? 'asc' : 'desc';
978	}
979
980	$column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '</span><span class="sorting-indicator"></span></a>';
981	}
982
983	$id = $with_id ? "id='$column_key'" : '';
984
985	if ( ! empty( $class ) ) {
986	$class = "class='" . implode( ' ', $class ) . "'";
987	}
988
989	echo "<th scope='col' $id $class $style>$column_display_name</th>";
990	}
991	}
992
993	/**
994	* Display the table
995	*
996	* @since 3.1.0
997	* @access public
998	*/
999	public function display() {
1000	$singular = $this->_args['singular'];
1001
1002	$this->display_tablenav( 'top' );
1003
1004	?>
1005	<table class="wp-list-table <?php echo esc_attr( implode( ' ', $this->get_table_classes() ) ); ?>">
1006	<thead>
1007	<tr>
1008	<?php $this->print_column_headers(); ?>
1009	</tr>
1010	</thead>
1011
1012	<tbody id="the-list"
1013	<?php
1014	if ( $singular ) {
1015	echo " data-wp-lists='list:" . esc_attr( $singular ) . "'";
1016	}
1017	?>
1018	>
1019	<?php $this->display_rows_or_placeholder(); ?>
1020	</tbody>
1021
1022	<tfoot>
1023	<tr>
1024	<?php $this->print_column_headers( false ); ?>
1025	</tr>
1026	</tfoot>
1027
1028	</table>
1029	<?php
1030	$this->display_tablenav( 'bottom' );
1031	}
1032
1033	/**
1034	* Get a list of CSS classes for the list table table tag.
1035	*
1036	* @since 3.1.0
1037	* @access protected
1038	*
1039	* @return array List of CSS classes for the table tag.
1040	*/
1041	protected function get_table_classes() {
1042	return array( 'widefat', 'fixed', 'striped', $this->_args['plural'] );
1043	}
1044
1045	/**
1046	* Generate the table navigation above or below the table
1047	*
1048	* @since 3.1.0
1049	* @access protected
1050	* @param string $which
1051	*/
1052	protected function display_tablenav( $which ) {
1053	if ( 'top' === $which ) {
1054	wp_nonce_field( 'bulk-' . $this->_args['plural'] );
1055	}
1056	?>
1057	<div class="tablenav <?php echo esc_attr( $which ); ?>">
1058
1059	<div class="alignleft actions bulkactions">
1060	<?php $this->bulk_actions( $which ); ?>
1061	</div>
1062	<?php
1063	$this->extra_tablenav( $which );
1064	$this->pagination( $which );
1065	?>
1066
1067	<br class="clear">
1068	</div>
1069	<?php
1070	}
1071
1072	/**
1073	* Extra controls to be displayed between bulk actions and pagination
1074	*
1075	* @since 3.1.0
1076	* @access protected
1077	*
1078	* @param string $which
1079	*/
1080	protected function extra_tablenav( $which ) {}
1081
1082	/**
1083	* Generate the tbody element for the list table.
1084	*
1085	* @since 3.1.0
1086	* @access public
1087	*/
1088	public function display_rows_or_placeholder() {
1089	if ( $this->has_items() ) {
1090	$this->display_rows();
1091	} else {
1092	echo '<tr class="no-items"><td class="colspanchange" colspan="' . absint( $this->get_column_count() ) . '">';
1093	$this->no_items();
1094	echo '</td></tr>';
1095	}
1096	}
1097
1098	/**
1099	* Generate the table rows
1100	*
1101	* @since 3.1.0
1102	* @access public
1103	*/
1104	public function display_rows() {
1105	foreach ( $this->items as $item ) {
1106	$this->single_row( $item );
1107	}
1108	}
1109
1110	/**
1111	* Generates content for a single row of the table
1112	*
1113	* @since 3.1.0
1114	* @access public
1115	*
1116	* @param object $item The current item
1117	*/
1118	public function single_row( $item ) {
1119	echo '<tr>';
1120	$this->single_row_columns( $item );
1121	echo '</tr>';
1122	}
1123
1124	protected function column_default( $item, $column_name ) {}
1125
1126	protected function column_cb( $item ) {}
1127
1128	/**
1129	* Generates the columns for a single row of the table
1130	*
1131	* @since 3.1.0
1132	* @access protected
1133	*
1134	* @param object $item The current item
1135	*/
1136	protected function single_row_columns( $item ) {
1137	list( $columns, $hidden ) = $this->get_column_info();
1138
1139	foreach ( $columns as $column_name => $column_display_name ) {
1140	$class = "class='$column_name column-$column_name'";
1141
1142	$style = '';
1143	if ( in_array( $column_name, $hidden, true ) ) {
1144	$style = ' style="display:none;"';
1145	}
1146
1147	$attributes = "$class$style";
1148
1149	if ( 'cb' === $column_name ) {
1150	echo '<th scope="row" class="check-column">';
1151	echo $this->column_cb( $item );
1152	echo '</th>';
1153	} elseif ( method_exists( $this, 'column_' . $column_name ) ) {
1154	echo "<td $attributes>";
1155	echo call_user_func( array( $this, 'column_' . $column_name ), $item );
1156	echo '</td>';
1157	} else {
1158	echo "<td $attributes>";
1159	echo $this->column_default( $item, $column_name );
1160	echo '</td>';
1161	}
1162	}
1163	}
1164
1165	/**
1166	* Handle an incoming ajax request (called from admin-ajax.php)
1167	*
1168	* @since 3.1.0
1169	* @access public
1170	*/
1171	public function ajax_response() {
1172	$this->prepare_items();
1173
1174	ob_start();
1175	if ( ! empty( $_REQUEST['no_placeholder'] ) ) {
1176	$this->display_rows();
1177	} else {
1178	$this->display_rows_or_placeholder();
1179	}
1180
1181	$rows = ob_get_clean();
1182
1183	$response = array( 'rows' => $rows );
1184
1185	if ( isset( $this->_pagination_args['total_items'] ) ) {
1186	$response['total_items_i18n'] = sprintf(
1187	// translators: %s is the number of items. Singular and plural forms are used.
1188	_n( '%s item', '%s items', $this->_pagination_args['total_items'], 'strong-testimonials' ),
1189	number_format_i18n( $this->_pagination_args['total_items'] )
1190	);
1191	}
1192	if ( isset( $this->_pagination_args['total_pages'] ) ) {
1193	$response['total_pages'] = $this->_pagination_args['total_pages'];
1194	$response['total_pages_i18n'] = number_format_i18n( $this->_pagination_args['total_pages'] );
1195	}
1196
1197	die( wp_json_encode( $response ) );
1198	}
1199
1200	/**
1201	* Send required variables to JavaScript land
1202	*
1203	* @access public
1204	*/
1205	public function _js_vars() {
1206	$args = array(
1207	'class' => get_class( $this ),
1208	'screen' => array(
1209	'id' => $this->screen->id,
1210	'base' => $this->screen->base,
1211	),
1212	);
1213
1214	printf( "<script type='text/javascript'>list_args = %s;</script>\n", wp_json_encode( $args ) );
1215	}
1216	}
1217
1218	endif;