mirrored from git://develop.git.wordpress.org/
-
Notifications
You must be signed in to change notification settings - Fork 2.7k
/
Copy pathclass-wp-customize-widgets.php
2078 lines (1852 loc) · 65.5 KB
/
class-wp-customize-widgets.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
/**
* WordPress Customize Widgets classes
*
* @package WordPress
* @subpackage Customize
* @since 3.9.0
*/
/**
* Customize Widgets class.
*
* Implements widget management in the Customizer.
*
* @since 3.9.0
*
* @see WP_Customize_Manager
*/
final class WP_Customize_Widgets {
/**
* WP_Customize_Manager instance.
*
* @since 3.9.0
* @var WP_Customize_Manager
*/
public $manager;
/**
* All id_bases for widgets defined in core.
*
* @since 3.9.0
* @var array
*/
protected $core_widget_id_bases = array(
'archives',
'calendar',
'categories',
'custom_html',
'links',
'media_audio',
'media_image',
'media_video',
'meta',
'nav_menu',
'pages',
'recent-comments',
'recent-posts',
'rss',
'search',
'tag_cloud',
'text',
);
/**
* @since 3.9.0
* @var array
*/
protected $rendered_sidebars = array();
/**
* @since 3.9.0
* @var array
*/
protected $rendered_widgets = array();
/**
* @since 3.9.0
* @var array
*/
protected $old_sidebars_widgets = array();
/**
* Mapping of widget ID base to whether it supports selective refresh.
*
* @since 4.5.0
* @var array
*/
protected $selective_refreshable_widgets;
/**
* Mapping of setting type to setting ID pattern.
*
* @since 4.2.0
* @var array
*/
protected $setting_id_patterns = array(
'widget_instance' => '/^widget_(?P<id_base>.+?)(?:\[(?P<widget_number>\d+)\])?$/',
'sidebar_widgets' => '/^sidebars_widgets\[(?P<sidebar_id>.+?)\]$/',
);
/**
* Initial loader.
*
* @since 3.9.0
*
* @param WP_Customize_Manager $manager Customizer bootstrap instance.
*/
public function __construct( $manager ) {
$this->manager = $manager;
// See https://github.com/xwp/wp-customize-snapshots/blob/962586659688a5b1fd9ae93618b7ce2d4e7a421c/php/class-customize-snapshot-manager.php#L420-L449
add_filter( 'customize_dynamic_setting_args', array( $this, 'filter_customize_dynamic_setting_args' ), 10, 2 );
add_action( 'widgets_init', array( $this, 'register_settings' ), 95 );
add_action( 'customize_register', array( $this, 'schedule_customize_register' ), 1 );
// Skip remaining hooks when the user can't manage widgets anyway.
if ( ! current_user_can( 'edit_theme_options' ) ) {
return;
}
add_action( 'wp_loaded', array( $this, 'override_sidebars_widgets_for_theme_switch' ) );
add_action( 'customize_controls_init', array( $this, 'customize_controls_init' ) );
add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
add_action( 'customize_controls_print_styles', array( $this, 'print_styles' ) );
add_action( 'customize_controls_print_scripts', array( $this, 'print_scripts' ) );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_footer_scripts' ) );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'output_widget_control_templates' ) );
add_action( 'customize_preview_init', array( $this, 'customize_preview_init' ) );
add_filter( 'customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
add_action( 'dynamic_sidebar', array( $this, 'tally_rendered_widgets' ) );
add_filter( 'is_active_sidebar', array( $this, 'tally_sidebars_via_is_active_sidebar_calls' ), 10, 2 );
add_filter( 'dynamic_sidebar_has_widgets', array( $this, 'tally_sidebars_via_dynamic_sidebar_calls' ), 10, 2 );
// Selective Refresh.
add_filter( 'customize_dynamic_partial_args', array( $this, 'customize_dynamic_partial_args' ), 10, 2 );
add_action( 'customize_preview_init', array( $this, 'selective_refresh_init' ) );
}
/**
* List whether each registered widget can be use selective refresh.
*
* If the theme does not support the customize-selective-refresh-widgets feature,
* then this will always return an empty array.
*
* @since 4.5.0
*
* @global WP_Widget_Factory $wp_widget_factory
*
* @return array Mapping of id_base to support. If theme doesn't support
* selective refresh, an empty array is returned.
*/
public function get_selective_refreshable_widgets() {
global $wp_widget_factory;
if ( ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) {
return array();
}
if ( ! isset( $this->selective_refreshable_widgets ) ) {
$this->selective_refreshable_widgets = array();
foreach ( $wp_widget_factory->widgets as $wp_widget ) {
$this->selective_refreshable_widgets[ $wp_widget->id_base ] = ! empty( $wp_widget->widget_options['customize_selective_refresh'] );
}
}
return $this->selective_refreshable_widgets;
}
/**
* Determines if a widget supports selective refresh.
*
* @since 4.5.0
*
* @param string $id_base Widget ID Base.
* @return bool Whether the widget can be selective refreshed.
*/
public function is_widget_selective_refreshable( $id_base ) {
$selective_refreshable_widgets = $this->get_selective_refreshable_widgets();
return ! empty( $selective_refreshable_widgets[ $id_base ] );
}
/**
* Retrieves the widget setting type given a setting ID.
*
* @since 4.2.0
*
* @param string $setting_id Setting ID.
* @return string|void Setting type.
*/
protected function get_setting_type( $setting_id ) {
static $cache = array();
if ( isset( $cache[ $setting_id ] ) ) {
return $cache[ $setting_id ];
}
foreach ( $this->setting_id_patterns as $type => $pattern ) {
if ( preg_match( $pattern, $setting_id ) ) {
$cache[ $setting_id ] = $type;
return $type;
}
}
}
/**
* Inspects the incoming customized data for any widget settings, and dynamically adds
* them up-front so widgets will be initialized properly.
*
* @since 4.2.0
*/
public function register_settings() {
$widget_setting_ids = array();
$incoming_setting_ids = array_keys( $this->manager->unsanitized_post_values() );
foreach ( $incoming_setting_ids as $setting_id ) {
if ( ! is_null( $this->get_setting_type( $setting_id ) ) ) {
$widget_setting_ids[] = $setting_id;
}
}
if ( $this->manager->doing_ajax( 'update-widget' ) && isset( $_REQUEST['widget-id'] ) ) {
$widget_setting_ids[] = $this->get_setting_id( wp_unslash( $_REQUEST['widget-id'] ) );
}
$settings = $this->manager->add_dynamic_settings( array_unique( $widget_setting_ids ) );
if ( $this->manager->settings_previewed() ) {
foreach ( $settings as $setting ) {
$setting->preview();
}
}
}
/**
* Determines the arguments for a dynamically-created setting.
*
* @since 4.2.0
*
* @param false|array $args The arguments to the WP_Customize_Setting constructor.
* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
* @return array|false Setting arguments, false otherwise.
*/
public function filter_customize_dynamic_setting_args( $args, $setting_id ) {
if ( $this->get_setting_type( $setting_id ) ) {
$args = $this->get_setting_args( $setting_id );
}
return $args;
}
/**
* Retrieves an unslashed post value or return a default.
*
* @since 3.9.0
*
* @param string $name Post value.
* @param mixed $default Default post value.
* @return mixed Unslashed post value or default value.
*/
protected function get_post_value( $name, $default = null ) {
if ( ! isset( $_POST[ $name ] ) ) {
return $default;
}
return wp_unslash( $_POST[ $name ] );
}
/**
* Override sidebars_widgets for theme switch.
*
* When switching a theme via the Customizer, supply any previously-configured
* sidebars_widgets from the target theme as the initial sidebars_widgets
* setting. Also store the old theme's existing settings so that they can
* be passed along for storing in the sidebars_widgets theme_mod when the
* theme gets switched.
*
* @since 3.9.0
*
* @global array $sidebars_widgets
* @global array $_wp_sidebars_widgets
*/
public function override_sidebars_widgets_for_theme_switch() {
global $sidebars_widgets;
if ( $this->manager->doing_ajax() || $this->manager->is_theme_active() ) {
return;
}
$this->old_sidebars_widgets = wp_get_sidebars_widgets();
add_filter( 'customize_value_old_sidebars_widgets_data', array( $this, 'filter_customize_value_old_sidebars_widgets_data' ) );
$this->manager->set_post_value( 'old_sidebars_widgets_data', $this->old_sidebars_widgets ); // Override any value cached in changeset.
// retrieve_widgets() looks at the global $sidebars_widgets.
$sidebars_widgets = $this->old_sidebars_widgets;
$sidebars_widgets = retrieve_widgets( 'customize' );
add_filter( 'option_sidebars_widgets', array( $this, 'filter_option_sidebars_widgets_for_theme_switch' ), 1 );
// Reset global cache var used by wp_get_sidebars_widgets().
unset( $GLOBALS['_wp_sidebars_widgets'] );
}
/**
* Filters old_sidebars_widgets_data Customizer setting.
*
* When switching themes, filter the Customizer setting old_sidebars_widgets_data
* to supply initial $sidebars_widgets before they were overridden by retrieve_widgets().
* The value for old_sidebars_widgets_data gets set in the old theme's sidebars_widgets
* theme_mod.
*
* @since 3.9.0
*
* @see WP_Customize_Widgets::handle_theme_switch()
*
* @param array $old_sidebars_widgets
* @return array
*/
public function filter_customize_value_old_sidebars_widgets_data( $old_sidebars_widgets ) {
return $this->old_sidebars_widgets;
}
/**
* Filters sidebars_widgets option for theme switch.
*
* When switching themes, the retrieve_widgets() function is run when the Customizer initializes,
* and then the new sidebars_widgets here get supplied as the default value for the sidebars_widgets
* option.
*
* @since 3.9.0
*
* @see WP_Customize_Widgets::handle_theme_switch()
* @global array $sidebars_widgets
*
* @param array $sidebars_widgets
* @return array
*/
public function filter_option_sidebars_widgets_for_theme_switch( $sidebars_widgets ) {
$sidebars_widgets = $GLOBALS['sidebars_widgets'];
$sidebars_widgets['array_version'] = 3;
return $sidebars_widgets;
}
/**
* Ensures all widgets get loaded into the Customizer.
*
* Note: these actions are also fired in wp_ajax_update_widget().
*
* @since 3.9.0
*/
public function customize_controls_init() {
/** This action is documented in wp-admin/includes/ajax-actions.php */
do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
/** This action is documented in wp-admin/includes/ajax-actions.php */
do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
/** This action is documented in wp-admin/widgets.php */
do_action( 'sidebar_admin_setup' );
}
/**
* Ensures widgets are available for all types of previews.
*
* When in preview, hook to {@see 'customize_register'} for settings after WordPress is loaded
* so that all filters have been initialized (e.g. Widget Visibility).
*
* @since 3.9.0
*/
public function schedule_customize_register() {
if ( is_admin() ) {
$this->customize_register();
} else {
add_action( 'wp', array( $this, 'customize_register' ) );
}
}
/**
* Registers Customizer settings and controls for all sidebars and widgets.
*
* @since 3.9.0
*
* @global array $wp_registered_widgets
* @global array $wp_registered_widget_controls
* @global array $wp_registered_sidebars
*/
public function customize_register() {
global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_sidebars;
add_filter( 'sidebars_widgets', array( $this, 'preview_sidebars_widgets' ), 1 );
$sidebars_widgets = array_merge(
array( 'wp_inactive_widgets' => array() ),
array_fill_keys( array_keys( $wp_registered_sidebars ), array() ),
wp_get_sidebars_widgets()
);
$new_setting_ids = array();
/*
* Register a setting for all widgets, including those which are active,
* inactive, and orphaned since a widget may get suppressed from a sidebar
* via a plugin (like Widget Visibility).
*/
foreach ( array_keys( $wp_registered_widgets ) as $widget_id ) {
$setting_id = $this->get_setting_id( $widget_id );
$setting_args = $this->get_setting_args( $setting_id );
if ( ! $this->manager->get_setting( $setting_id ) ) {
$this->manager->add_setting( $setting_id, $setting_args );
}
$new_setting_ids[] = $setting_id;
}
/*
* Add a setting which will be supplied for the theme's sidebars_widgets
* theme_mod when the theme is switched.
*/
if ( ! $this->manager->is_theme_active() ) {
$setting_id = 'old_sidebars_widgets_data';
$setting_args = $this->get_setting_args(
$setting_id,
array(
'type' => 'global_variable',
'dirty' => true,
)
);
$this->manager->add_setting( $setting_id, $setting_args );
}
$this->manager->add_panel(
'widgets',
array(
'type' => 'widgets',
'title' => __( 'Widgets' ),
'description' => __( 'Widgets are independent sections of content that can be placed into widgetized areas provided by your theme (commonly called sidebars).' ),
'priority' => 110,
'active_callback' => array( $this, 'is_panel_active' ),
'auto_expand_sole_section' => true,
)
);
foreach ( $sidebars_widgets as $sidebar_id => $sidebar_widget_ids ) {
if ( empty( $sidebar_widget_ids ) ) {
$sidebar_widget_ids = array();
}
$is_registered_sidebar = is_registered_sidebar( $sidebar_id );
$is_inactive_widgets = ( 'wp_inactive_widgets' === $sidebar_id );
$is_active_sidebar = ( $is_registered_sidebar && ! $is_inactive_widgets );
// Add setting for managing the sidebar's widgets.
if ( $is_registered_sidebar || $is_inactive_widgets ) {
$setting_id = sprintf( 'sidebars_widgets[%s]', $sidebar_id );
$setting_args = $this->get_setting_args( $setting_id );
if ( ! $this->manager->get_setting( $setting_id ) ) {
if ( ! $this->manager->is_theme_active() ) {
$setting_args['dirty'] = true;
}
$this->manager->add_setting( $setting_id, $setting_args );
}
$new_setting_ids[] = $setting_id;
// Add section to contain controls.
$section_id = sprintf( 'sidebar-widgets-%s', $sidebar_id );
if ( $is_active_sidebar ) {
$section_args = array(
'title' => $wp_registered_sidebars[ $sidebar_id ]['name'],
'description' => $wp_registered_sidebars[ $sidebar_id ]['description'],
'priority' => array_search( $sidebar_id, array_keys( $wp_registered_sidebars ), true ),
'panel' => 'widgets',
'sidebar_id' => $sidebar_id,
);
/**
* Filters Customizer widget section arguments for a given sidebar.
*
* @since 3.9.0
*
* @param array $section_args Array of Customizer widget section arguments.
* @param string $section_id Customizer section ID.
* @param int|string $sidebar_id Sidebar ID.
*/
$section_args = apply_filters( 'customizer_widgets_section_args', $section_args, $section_id, $sidebar_id );
$section = new WP_Customize_Sidebar_Section( $this->manager, $section_id, $section_args );
$this->manager->add_section( $section );
$control = new WP_Widget_Area_Customize_Control(
$this->manager,
$setting_id,
array(
'section' => $section_id,
'sidebar_id' => $sidebar_id,
'priority' => count( $sidebar_widget_ids ), // place 'Add Widget' and 'Reorder' buttons at end.
)
);
$new_setting_ids[] = $setting_id;
$this->manager->add_control( $control );
}
}
// Add a control for each active widget (located in a sidebar).
foreach ( $sidebar_widget_ids as $i => $widget_id ) {
// Skip widgets that may have gone away due to a plugin being deactivated.
if ( ! $is_active_sidebar || ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
continue;
}
$registered_widget = $wp_registered_widgets[ $widget_id ];
$setting_id = $this->get_setting_id( $widget_id );
$id_base = $wp_registered_widget_controls[ $widget_id ]['id_base'];
$control = new WP_Widget_Form_Customize_Control(
$this->manager,
$setting_id,
array(
'label' => $registered_widget['name'],
'section' => $section_id,
'sidebar_id' => $sidebar_id,
'widget_id' => $widget_id,
'widget_id_base' => $id_base,
'priority' => $i,
'width' => $wp_registered_widget_controls[ $widget_id ]['width'],
'height' => $wp_registered_widget_controls[ $widget_id ]['height'],
'is_wide' => $this->is_wide_widget( $widget_id ),
)
);
$this->manager->add_control( $control );
}
}
if ( $this->manager->settings_previewed() ) {
foreach ( $new_setting_ids as $new_setting_id ) {
$this->manager->get_setting( $new_setting_id )->preview();
}
}
}
/**
* Determines whether the widgets panel is active, based on whether there are sidebars registered.
*
* @since 4.4.0
*
* @see WP_Customize_Panel::$active_callback
*
* @global array $wp_registered_sidebars
* @return bool Active.
*/
public function is_panel_active() {
global $wp_registered_sidebars;
return ! empty( $wp_registered_sidebars );
}
/**
* Converts a widget_id into its corresponding Customizer setting ID (option name).
*
* @since 3.9.0
*
* @param string $widget_id Widget ID.
* @return string Maybe-parsed widget ID.
*/
public function get_setting_id( $widget_id ) {
$parsed_widget_id = $this->parse_widget_id( $widget_id );
$setting_id = sprintf( 'widget_%s', $parsed_widget_id['id_base'] );
if ( ! is_null( $parsed_widget_id['number'] ) ) {
$setting_id .= sprintf( '[%d]', $parsed_widget_id['number'] );
}
return $setting_id;
}
/**
* Determines whether the widget is considered "wide".
*
* Core widgets which may have controls wider than 250, but can still be shown
* in the narrow Customizer panel. The RSS and Text widgets in Core, for example,
* have widths of 400 and yet they still render fine in the Customizer panel.
*
* This method will return all Core widgets as being not wide, but this can be
* overridden with the {@see 'is_wide_widget_in_customizer'} filter.
*
* @since 3.9.0
*
* @global array $wp_registered_widget_controls
*
* @param string $widget_id Widget ID.
* @return bool Whether or not the widget is a "wide" widget.
*/
public function is_wide_widget( $widget_id ) {
global $wp_registered_widget_controls;
$parsed_widget_id = $this->parse_widget_id( $widget_id );
$width = $wp_registered_widget_controls[ $widget_id ]['width'];
$is_core = in_array( $parsed_widget_id['id_base'], $this->core_widget_id_bases, true );
$is_wide = ( $width > 250 && ! $is_core );
/**
* Filters whether the given widget is considered "wide".
*
* @since 3.9.0
*
* @param bool $is_wide Whether the widget is wide, Default false.
* @param string $widget_id Widget ID.
*/
return apply_filters( 'is_wide_widget_in_customizer', $is_wide, $widget_id );
}
/**
* Converts a widget ID into its id_base and number components.
*
* @since 3.9.0
*
* @param string $widget_id Widget ID.
* @return array Array containing a widget's id_base and number components.
*/
public function parse_widget_id( $widget_id ) {
$parsed = array(
'number' => null,
'id_base' => null,
);
if ( preg_match( '/^(.+)-(\d+)$/', $widget_id, $matches ) ) {
$parsed['id_base'] = $matches[1];
$parsed['number'] = intval( $matches[2] );
} else {
// Likely an old single widget.
$parsed['id_base'] = $widget_id;
}
return $parsed;
}
/**
* Converts a widget setting ID (option path) to its id_base and number components.
*
* @since 3.9.0
*
* @param string $setting_id Widget setting ID.
* @return array|WP_Error Array containing a widget's id_base and number components,
* or a WP_Error object.
*/
public function parse_widget_setting_id( $setting_id ) {
if ( ! preg_match( '/^(widget_(.+?))(?:\[(\d+)\])?$/', $setting_id, $matches ) ) {
return new WP_Error( 'widget_setting_invalid_id' );
}
$id_base = $matches[2];
$number = isset( $matches[3] ) ? intval( $matches[3] ) : null;
return compact( 'id_base', 'number' );
}
/**
* Calls admin_print_styles-widgets.php and admin_print_styles hooks to
* allow custom styles from plugins.
*
* @since 3.9.0
*/
public function print_styles() {
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_styles-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_styles' );
}
/**
* Calls admin_print_scripts-widgets.php and admin_print_scripts hooks to
* allow custom scripts from plugins.
*
* @since 3.9.0
*/
public function print_scripts() {
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_scripts-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_scripts' );
}
/**
* Enqueues scripts and styles for Customizer panel and export data to JavaScript.
*
* @since 3.9.0
*
* @global WP_Scripts $wp_scripts
* @global array $wp_registered_sidebars
* @global array $wp_registered_widgets
*/
public function enqueue_scripts() {
global $wp_scripts, $wp_registered_sidebars, $wp_registered_widgets;
wp_enqueue_style( 'customize-widgets' );
wp_enqueue_script( 'customize-widgets' );
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_enqueue_scripts', 'widgets.php' );
/*
* Export available widgets with control_tpl removed from model
* since plugins need templates to be in the DOM.
*/
$available_widgets = array();
foreach ( $this->get_available_widgets() as $available_widget ) {
unset( $available_widget['control_tpl'] );
$available_widgets[] = $available_widget;
}
$widget_reorder_nav_tpl = sprintf(
'<div class="widget-reorder-nav"><span class="move-widget" tabindex="0">%1$s</span><span class="move-widget-down" tabindex="0">%2$s</span><span class="move-widget-up" tabindex="0">%3$s</span></div>',
__( 'Move to another area…' ),
__( 'Move down' ),
__( 'Move up' )
);
$move_widget_area_tpl = str_replace(
array( '{description}', '{btn}' ),
array(
__( 'Select an area to move this widget into:' ),
_x( 'Move', 'Move widget' ),
),
'<div class="move-widget-area">
<p class="description">{description}</p>
<ul class="widget-area-select">
<% _.each( sidebars, function ( sidebar ){ %>
<li class="" data-id="<%- sidebar.id %>" title="<%- sidebar.description %>" tabindex="0"><%- sidebar.name %></li>
<% }); %>
</ul>
<div class="move-widget-actions">
<button class="move-widget-btn button" type="button">{btn}</button>
</div>
</div>'
);
/*
* Gather all strings in PHP that may be needed by JS on the client.
* Once JS i18n is implemented (in #20491), this can be removed.
*/
$some_non_rendered_areas_messages = array();
$some_non_rendered_areas_messages[1] = html_entity_decode(
__( 'Your theme has 1 other widget area, but this particular page doesn’t display it.' ),
ENT_QUOTES,
get_bloginfo( 'charset' )
);
$registered_sidebar_count = count( $wp_registered_sidebars );
for ( $non_rendered_count = 2; $non_rendered_count < $registered_sidebar_count; $non_rendered_count++ ) {
$some_non_rendered_areas_messages[ $non_rendered_count ] = html_entity_decode(
sprintf(
/* translators: %s: The number of other widget areas registered but not rendered. */
_n(
'Your theme has %s other widget area, but this particular page doesn’t display it.',
'Your theme has %s other widget areas, but this particular page doesn’t display them.',
$non_rendered_count
),
number_format_i18n( $non_rendered_count )
),
ENT_QUOTES,
get_bloginfo( 'charset' )
);
}
if ( 1 === $registered_sidebar_count ) {
$no_areas_shown_message = html_entity_decode(
sprintf(
__( 'Your theme has 1 widget area, but this particular page doesn’t display it.' )
),
ENT_QUOTES,
get_bloginfo( 'charset' )
);
} else {
$no_areas_shown_message = html_entity_decode(
sprintf(
/* translators: %s: The total number of widget areas registered. */
_n(
'Your theme has %s widget area, but this particular page doesn’t display it.',
'Your theme has %s widget areas, but this particular page doesn’t display them.',
$registered_sidebar_count
),
number_format_i18n( $registered_sidebar_count )
),
ENT_QUOTES,
get_bloginfo( 'charset' )
);
}
$settings = array(
'registeredSidebars' => array_values( $wp_registered_sidebars ),
'registeredWidgets' => $wp_registered_widgets,
'availableWidgets' => $available_widgets, // @todo Merge this with registered_widgets.
'l10n' => array(
'saveBtnLabel' => __( 'Apply' ),
'saveBtnTooltip' => __( 'Save and preview changes before publishing them.' ),
'removeBtnLabel' => __( 'Remove' ),
'removeBtnTooltip' => __( 'Keep widget settings and move it to the inactive widgets' ),
'error' => __( 'An error has occurred. Please reload the page and try again.' ),
'widgetMovedUp' => __( 'Widget moved up' ),
'widgetMovedDown' => __( 'Widget moved down' ),
'navigatePreview' => __( 'You can navigate to other pages on your site while using the Customizer to view and edit the widgets displayed on those pages.' ),
'someAreasShown' => $some_non_rendered_areas_messages,
'noAreasShown' => $no_areas_shown_message,
'reorderModeOn' => __( 'Reorder mode enabled' ),
'reorderModeOff' => __( 'Reorder mode closed' ),
'reorderLabelOn' => esc_attr__( 'Reorder widgets' ),
/* translators: %d: The number of widgets found. */
'widgetsFound' => __( 'Number of widgets found: %d' ),
'noWidgetsFound' => __( 'No widgets found.' ),
),
'tpl' => array(
'widgetReorderNav' => $widget_reorder_nav_tpl,
'moveWidgetArea' => $move_widget_area_tpl,
),
'selectiveRefreshableWidgets' => $this->get_selective_refreshable_widgets(),
);
foreach ( $settings['registeredWidgets'] as &$registered_widget ) {
unset( $registered_widget['callback'] ); // May not be JSON-serializeable.
}
$wp_scripts->add_data(
'customize-widgets',
'data',
sprintf( 'var _wpCustomizeWidgetsSettings = %s;', wp_json_encode( $settings ) )
);
}
/**
* Renders the widget form control templates into the DOM.
*
* @since 3.9.0
*/
public function output_widget_control_templates() {
?>
<div id="widgets-left"><!-- compatibility with JS which looks for widget templates here -->
<div id="available-widgets">
<div class="customize-section-title">
<button class="customize-section-back" tabindex="-1">
<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
</button>
<h3>
<span class="customize-action">
<?php
/* translators: ▸ is the unicode right-pointing triangle. %s: Section title in the Customizer. */
printf( __( 'Customizing ▸ %s' ), esc_html( $this->manager->get_panel( 'widgets' )->title ) );
?>
</span>
<?php _e( 'Add a Widget' ); ?>
</h3>
</div>
<div id="available-widgets-filter">
<label class="screen-reader-text" for="widgets-search"><?php _e( 'Search Widgets' ); ?></label>
<input type="text" id="widgets-search" placeholder="<?php esc_attr_e( 'Search widgets…' ); ?>" aria-describedby="widgets-search-desc" />
<div class="search-icon" aria-hidden="true"></div>
<button type="button" class="clear-results"><span class="screen-reader-text"><?php _e( 'Clear Results' ); ?></span></button>
<p class="screen-reader-text" id="widgets-search-desc"><?php _e( 'The search results will be updated as you type.' ); ?></p>
</div>
<div id="available-widgets-list">
<?php foreach ( $this->get_available_widgets() as $available_widget ) : ?>
<div id="widget-tpl-<?php echo esc_attr( $available_widget['id'] ); ?>" data-widget-id="<?php echo esc_attr( $available_widget['id'] ); ?>" class="widget-tpl <?php echo esc_attr( $available_widget['id'] ); ?>" tabindex="0">
<?php echo $available_widget['control_tpl']; ?>
</div>
<?php endforeach; ?>
<p class="no-widgets-found-message"><?php _e( 'No widgets found.' ); ?></p>
</div><!-- #available-widgets-list -->
</div><!-- #available-widgets -->
</div><!-- #widgets-left -->
<?php
}
/**
* Calls admin_print_footer_scripts and admin_print_scripts hooks to
* allow custom scripts from plugins.
*
* @since 3.9.0
*/
public function print_footer_scripts() {
/** This action is documented in wp-admin/admin-footer.php */
do_action( 'admin_print_footer_scripts-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
/** This action is documented in wp-admin/admin-footer.php */
do_action( 'admin_print_footer_scripts' );
/** This action is documented in wp-admin/admin-footer.php */
do_action( 'admin_footer-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
}
/**
* Retrieves common arguments to supply when constructing a Customizer setting.
*
* @since 3.9.0
*
* @param string $id Widget setting ID.
* @param array $overrides Array of setting overrides.
* @return array Possibly modified setting arguments.
*/
public function get_setting_args( $id, $overrides = array() ) {
$args = array(
'type' => 'option',
'capability' => 'edit_theme_options',
'default' => array(),
);
if ( preg_match( $this->setting_id_patterns['sidebar_widgets'], $id, $matches ) ) {
$args['sanitize_callback'] = array( $this, 'sanitize_sidebar_widgets' );
$args['sanitize_js_callback'] = array( $this, 'sanitize_sidebar_widgets_js_instance' );
$args['transport'] = current_theme_supports( 'customize-selective-refresh-widgets' ) ? 'postMessage' : 'refresh';
} elseif ( preg_match( $this->setting_id_patterns['widget_instance'], $id, $matches ) ) {
$args['sanitize_callback'] = array( $this, 'sanitize_widget_instance' );
$args['sanitize_js_callback'] = array( $this, 'sanitize_widget_js_instance' );
$args['transport'] = $this->is_widget_selective_refreshable( $matches['id_base'] ) ? 'postMessage' : 'refresh';
}
$args = array_merge( $args, $overrides );
/**
* Filters the common arguments supplied when constructing a Customizer setting.
*
* @since 3.9.0
*
* @see WP_Customize_Setting
*
* @param array $args Array of Customizer setting arguments.
* @param string $id Widget setting ID.
*/
return apply_filters( 'widget_customizer_setting_args', $args, $id );
}
/**
* Ensures sidebar widget arrays only ever contain widget IDS.
*
* Used as the 'sanitize_callback' for each $sidebars_widgets setting.
*
* @since 3.9.0
*
* @param string[] $widget_ids Array of widget IDs.
* @return string[] Array of sanitized widget IDs.
*/
public function sanitize_sidebar_widgets( $widget_ids ) {
$widget_ids = array_map( 'strval', (array) $widget_ids );
$sanitized_widget_ids = array();
foreach ( $widget_ids as $widget_id ) {
$sanitized_widget_ids[] = preg_replace( '/[^a-z0-9_\-]/', '', $widget_id );
}
return $sanitized_widget_ids;
}
/**
* Builds up an index of all available widgets for use in Backbone models.
*
* @since 3.9.0
*
* @global array $wp_registered_widgets
* @global array $wp_registered_widget_controls
*
* @see wp_list_widgets()
*
* @return array List of available widgets.
*/
public function get_available_widgets() {
static $available_widgets = array();
if ( ! empty( $available_widgets ) ) {
return $available_widgets;
}
global $wp_registered_widgets, $wp_registered_widget_controls;
require_once ABSPATH . 'wp-admin/includes/widgets.php'; // For next_widget_id_number().
$sort = $wp_registered_widgets;
usort( $sort, array( $this, '_sort_name_callback' ) );
$done = array();
foreach ( $sort as $widget ) {
if ( in_array( $widget['callback'], $done, true ) ) { // We already showed this multi-widget.
continue;
}
$sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false );
$done[] = $widget['callback'];
if ( ! isset( $widget['params'][0] ) ) {
$widget['params'][0] = array();
}
$available_widget = $widget;
unset( $available_widget['callback'] ); // Not serializable to JSON.
$args = array(
'widget_id' => $widget['id'],
'widget_name' => $widget['name'],
'_display' => 'template',
);
$is_disabled = false;
$is_multi_widget = ( isset( $wp_registered_widget_controls[ $widget['id'] ]['id_base'] ) && isset( $widget['params'][0]['number'] ) );
if ( $is_multi_widget ) {
$id_base = $wp_registered_widget_controls[ $widget['id'] ]['id_base'];
$args['_temp_id'] = "$id_base-__i__";
$args['_multi_num'] = next_widget_id_number( $id_base );
$args['_add'] = 'multi';
} else {
$args['_add'] = 'single';
if ( $sidebar && 'wp_inactive_widgets' !== $sidebar ) {
$is_disabled = true;
}
$id_base = $widget['id'];
}
$list_widget_controls_args = wp_list_widget_controls_dynamic_sidebar(
array(
0 => $args,
1 => $widget['params'][0],
)
);
$control_tpl = $this->get_widget_control( $list_widget_controls_args );
// The properties here are mapped to the Backbone Widget model.