1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* Widgets and Sidebars Library |
4
|
|
|
* |
5
|
|
|
* Helper functions for manipulating widgets on a per-blog basis. |
6
|
|
|
* Only helpful on `wp_loaded` or later (currently requires widgets to be registered and the theme context to already be loaded). |
7
|
|
|
* |
8
|
|
|
* Used by the REST API |
9
|
|
|
* |
10
|
|
|
* @autounit api widgets |
11
|
|
|
*/ |
12
|
|
|
|
13
|
|
|
class Jetpack_Widgets { |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* Returns the `sidebars_widgets` option with the `array_version` element removed. |
17
|
|
|
* |
18
|
|
|
* @return array The current value of sidebars_widgets |
19
|
|
|
*/ |
20
|
|
|
public static function get_sidebars_widgets() { |
21
|
|
|
$sidebars = get_option( 'sidebars_widgets', array() ); |
22
|
|
|
if ( isset( $sidebars['array_version'] ) ) { |
23
|
|
|
unset( $sidebars['array_version'] ); |
24
|
|
|
} |
25
|
|
|
return $sidebars; |
26
|
|
|
} |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* Format widget data for output and for use by other widget functions. |
30
|
|
|
* |
31
|
|
|
* The output looks like: |
32
|
|
|
* |
33
|
|
|
* array( |
34
|
|
|
* 'id' => 'text-3', |
35
|
|
|
* 'sidebar' => 'sidebar-1', |
36
|
|
|
* 'position' => '0', |
37
|
|
|
* 'settings' => array( |
38
|
|
|
* 'title' => 'hello world' |
39
|
|
|
* ) |
40
|
|
|
* ) |
41
|
|
|
* |
42
|
|
|
* |
43
|
|
|
* @param string|integer $position The position of the widget in its sidebar. |
44
|
|
|
* @param string $widget_id The widget's id (eg: 'text-3'). |
45
|
|
|
* @param string $sidebar The widget's sidebar id (eg: 'sidebar-1'). |
46
|
|
|
* @param array (Optional) $settings The settings for the widget. |
47
|
|
|
* |
48
|
|
|
* @return array A normalized array representing this widget. |
49
|
|
|
*/ |
50
|
|
|
public static function format_widget( $position, $widget_id, $sidebar, $settings = null ) { |
51
|
|
|
if ( ! $settings ) { |
52
|
|
|
$all_settings = get_option( self::get_widget_option_name( $widget_id ) ); |
53
|
|
|
$instance = self::get_widget_instance_key( $widget_id ); |
54
|
|
|
$settings = $all_settings[$instance]; |
55
|
|
|
} |
56
|
|
|
$widget = array(); |
57
|
|
|
|
58
|
|
|
$widget['id'] = $widget_id; |
59
|
|
|
$widget['id_base'] = self::get_widget_id_base( $widget_id ); |
60
|
|
|
$widget['settings'] = $settings; |
61
|
|
|
$widget['sidebar'] = $sidebar; |
62
|
|
|
$widget['position'] = $position; |
63
|
|
|
|
64
|
|
|
return $widget; |
65
|
|
|
} |
66
|
|
|
|
67
|
|
|
/** |
68
|
|
|
* Return a widget's id_base from its id. |
69
|
|
|
* |
70
|
|
|
* @param string $widget_id The id of a widget. (eg: 'text-3') |
71
|
|
|
* |
72
|
|
|
* @return string The id_base of a widget (eg: 'text'). |
73
|
|
|
*/ |
74
|
|
|
public static function get_widget_id_base( $widget_id ) { |
75
|
|
|
// Grab what's before the hyphen. |
76
|
|
|
return substr( $widget_id, 0, strrpos( $widget_id, '-' ) ); |
77
|
|
|
} |
78
|
|
|
|
79
|
|
|
/** |
80
|
|
|
* Determine a widget's option name (the WP option where the widget's settings |
81
|
|
|
* are stored - generally `widget_` + the widget's id_base). |
82
|
|
|
* |
83
|
|
|
* @param string $widget_id The id of a widget. (eg: 'text-3') |
84
|
|
|
* |
85
|
|
|
* @return string The option name of the widget's settings. (eg: 'widget_text') |
86
|
|
|
*/ |
87
|
|
|
public static function get_widget_option_name( $widget_id ) { |
88
|
|
|
return 'widget_' . self::get_widget_id_base( $widget_id ); |
89
|
|
|
} |
90
|
|
|
|
91
|
|
|
/** |
92
|
|
|
* Determine a widget instance key from its ID. (eg: 'text-3' becomes '3'). |
93
|
|
|
* Used to access the widget's settings. |
94
|
|
|
* |
95
|
|
|
* @param string $widget_id The id of a widget. |
96
|
|
|
* |
97
|
|
|
* @return integer The instance key of that widget. |
98
|
|
|
*/ |
99
|
|
|
public static function get_widget_instance_key( $widget_id ) { |
100
|
|
|
// Grab all numbers from the end of the id. |
101
|
|
|
preg_match('/(\d+)$/', $widget_id, $matches ); |
102
|
|
|
|
103
|
|
|
return intval( $matches[0] ); |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
/** |
107
|
|
|
* Return a widget by ID (formatted for output) or null if nothing is found. |
108
|
|
|
* |
109
|
|
|
* @param string $widget_id The id of a widget to look for. |
110
|
|
|
* |
111
|
|
|
* @return array|null The matching formatted widget (see format_widget). |
112
|
|
|
*/ |
113
|
|
|
public static function get_widget_by_id( $widget_id ) { |
114
|
|
|
foreach ( self::get_all_widgets() as $widget ) { |
115
|
|
|
if ( $widget['id'] === $widget_id ) { |
116
|
|
|
return $widget; |
117
|
|
|
} |
118
|
|
|
} |
119
|
|
|
return null; |
120
|
|
|
} |
121
|
|
|
|
122
|
|
|
/** |
123
|
|
|
* Return a widget by base ID or null if nothing is found. |
124
|
|
|
* |
125
|
|
|
* @param string $id_base The id of a widget to look for. |
126
|
|
|
* |
127
|
|
|
* @return array|null The matching formatted widget (see format_widget). |
128
|
|
|
*/ |
129
|
|
|
public static function get_widget_by_id_base( $id_base ) { |
130
|
|
|
foreach ( self::get_all_widgets() as $widget ) { |
131
|
|
|
if ( $widget['id_base'] === $id_base ) { |
132
|
|
|
return $widget; |
133
|
|
|
} |
134
|
|
|
} |
135
|
|
|
return null; |
136
|
|
|
} |
137
|
|
|
|
138
|
|
|
/** |
139
|
|
|
* Return an array of all widgets (active and inactive) formatted for output. |
140
|
|
|
* |
141
|
|
|
* @return array An array of all widgets (see format_widget). |
142
|
|
|
*/ |
143
|
|
|
public static function get_all_widgets() { |
144
|
|
|
$all_widgets = array(); |
145
|
|
|
$sidebars_widgets = self::get_all_sidebars(); |
146
|
|
|
|
147
|
|
|
foreach ( $sidebars_widgets as $sidebar => $widgets ) { |
148
|
|
|
if ( ! is_array( $widgets ) ) { |
149
|
|
|
continue; |
150
|
|
|
} |
151
|
|
|
foreach ( $widgets as $key => $widget_id ) { |
152
|
|
|
array_push( $all_widgets, self::format_widget( $key, $widget_id, $sidebar ) ); |
153
|
|
|
} |
154
|
|
|
} |
155
|
|
|
|
156
|
|
|
return $all_widgets; |
157
|
|
|
} |
158
|
|
|
|
159
|
|
|
/** |
160
|
|
|
* Return an array of all active widgets formatted for output. |
161
|
|
|
* |
162
|
|
|
* @return array An array of all active widgets (see format_widget). |
163
|
|
|
*/ |
164
|
|
|
public static function get_active_widgets() { |
165
|
|
|
$active_widgets = array(); |
166
|
|
|
$all_widgets = self::get_all_widgets(); |
167
|
|
|
foreach( $all_widgets as $widget ) { |
168
|
|
|
if ( 'wp_inactive_widgets' === $widget['sidebar'] ) { |
169
|
|
|
continue; |
170
|
|
|
} |
171
|
|
|
array_push( $active_widgets, $widget ); |
172
|
|
|
} |
173
|
|
|
return $active_widgets; |
174
|
|
|
} |
175
|
|
|
|
176
|
|
|
/** |
177
|
|
|
* Return an array of all widget IDs (active and inactive) |
178
|
|
|
* |
179
|
|
|
* @return array An array of all widget IDs. |
180
|
|
|
*/ |
181
|
|
|
public static function get_all_widget_ids() { |
182
|
|
|
$all_widgets = array(); |
183
|
|
|
$sidebars_widgets = self::get_all_sidebars(); |
184
|
|
|
foreach ( array_values( $sidebars_widgets ) as $widgets ) { |
185
|
|
|
if ( ! is_array( $widgets ) ) { |
186
|
|
|
continue; |
187
|
|
|
} |
188
|
|
|
foreach ( array_values( $widgets ) as $widget_id ) { |
189
|
|
|
array_push( $all_widgets, $widget_id ); |
190
|
|
|
} |
191
|
|
|
} |
192
|
|
|
return $all_widgets; |
193
|
|
|
} |
194
|
|
|
|
195
|
|
|
/** |
196
|
|
|
* Return an array of widgets with a specific id_base (eg: `text`). |
197
|
|
|
* |
198
|
|
|
* @param string $id_base The id_base of a widget type. |
199
|
|
|
* |
200
|
|
|
* @return array All the formatted widgets matching that widget type (see format_widget). |
201
|
|
|
*/ |
202
|
|
|
public static function get_widgets_with_id_base( $id_base ) { |
203
|
|
|
$matching_widgets = array(); |
204
|
|
|
foreach ( self::get_all_widgets() as $widget ) { |
205
|
|
|
if ( self::get_widget_id_base( $widget['id'] ) === $id_base ) { |
206
|
|
|
array_push( $matching_widgets, $widget ); |
207
|
|
|
} |
208
|
|
|
} |
209
|
|
|
return $matching_widgets; |
210
|
|
|
} |
211
|
|
|
|
212
|
|
|
/** |
213
|
|
|
* Return the array of widget IDs in a sidebar or null if that sidebar does |
214
|
|
|
* not exist. Will return an empty array for an existing empty sidebar. |
215
|
|
|
* |
216
|
|
|
* @param string $sidebar The id of a sidebar. |
217
|
|
|
* |
218
|
|
|
* @return array|null The array of widget IDs in the sidebar. |
219
|
|
|
*/ |
220
|
|
|
public static function get_widgets_in_sidebar( $sidebar ) { |
221
|
|
|
$sidebars = self::get_all_sidebars(); |
222
|
|
|
|
223
|
|
|
if ( ! $sidebars || ! is_array( $sidebars ) ) { |
224
|
|
|
return null; |
225
|
|
|
} |
226
|
|
|
if ( ! $sidebars[ $sidebar ] && array_key_exists( $sidebar, $sidebars ) ) { |
227
|
|
|
return array(); |
228
|
|
|
} |
229
|
|
|
return $sidebars[ $sidebar ]; |
230
|
|
|
} |
231
|
|
|
|
232
|
|
|
/** |
233
|
|
|
* Return an associative array of all registered sidebars for this theme, |
234
|
|
|
* active and inactive, including the hidden disabled widgets sidebar (keyed |
235
|
|
|
* by `wp_inactive_widgets`). Each sidebar is keyed by the ID of the sidebar |
236
|
|
|
* and its value is an array of widget IDs for that sidebar. |
237
|
|
|
* |
238
|
|
|
* @return array An associative array of all sidebars and their widget IDs. |
239
|
|
|
*/ |
240
|
|
|
public static function get_all_sidebars() { |
241
|
|
|
$sidebars_widgets = self::get_sidebars_widgets(); |
242
|
|
|
|
243
|
|
|
if ( ! is_array( $sidebars_widgets ) ) { |
244
|
|
|
return array(); |
245
|
|
|
} |
246
|
|
|
return $sidebars_widgets; |
247
|
|
|
} |
248
|
|
|
|
249
|
|
|
/** |
250
|
|
|
* Return an associative array of all active sidebars for this theme, Each |
251
|
|
|
* sidebar is keyed by the ID of the sidebar and its value is an array of |
252
|
|
|
* widget IDs for that sidebar. |
253
|
|
|
* |
254
|
|
|
* @return array An associative array of all active sidebars and their widget IDs. |
255
|
|
|
*/ |
256
|
|
|
public static function get_active_sidebars() { |
257
|
|
|
$sidebars = array(); |
258
|
|
|
foreach ( self::get_all_sidebars() as $sidebar => $widgets ) { |
259
|
|
|
if ( 'wp_inactive_widgets' === $sidebar || ! isset( $widgets ) || ! is_array( $widgets ) ) { |
260
|
|
|
continue; |
261
|
|
|
} |
262
|
|
|
$sidebars[ $sidebar ] = $widgets; |
263
|
|
|
} |
264
|
|
|
return $sidebars; |
265
|
|
|
} |
266
|
|
|
|
267
|
|
|
/** |
268
|
|
|
* Activates a widget in a sidebar. Does not validate that the sidebar exists, |
269
|
|
|
* so please do that first. Also does not save the widget's settings. Please |
270
|
|
|
* do that with `set_widget_settings`. |
271
|
|
|
* |
272
|
|
|
* If position is not set, it will be set to the next available position. |
273
|
|
|
* |
274
|
|
|
* @param string $widget_id The newly-formed id of the widget to be added. |
275
|
|
|
* @param string $sidebar The id of the sidebar where the widget will be added. |
276
|
|
|
* @param string|integer $position (Optional) The position within the sidebar where the widget will be added. |
277
|
|
|
* |
278
|
|
|
* @return bool |
279
|
|
|
*/ |
280
|
|
|
public static function add_widget_to_sidebar( $widget_id, $sidebar, $position ) { |
281
|
|
|
return self::move_widget_to_sidebar( array( 'id' => $widget_id ), $sidebar, $position ); |
282
|
|
|
} |
283
|
|
|
|
284
|
|
|
/** |
285
|
|
|
* Removes a widget from a sidebar. Does not validate that the sidebar exists |
286
|
|
|
* or remove any settings from the widget, so please do that separately. |
287
|
|
|
* |
288
|
|
|
* @param array $widget The widget to be removed. |
289
|
|
|
*/ |
290
|
|
|
public static function remove_widget_from_sidebar( $widget ) { |
291
|
|
|
$sidebars_widgets = self::get_sidebars_widgets(); |
292
|
|
|
// Remove the widget from its old location and reflow the positions of the remaining widgets. |
293
|
|
|
array_splice( $sidebars_widgets[ $widget['sidebar'] ], $widget['position'], 1 ); |
294
|
|
|
|
295
|
|
|
update_option( 'sidebars_widgets', $sidebars_widgets ); |
296
|
|
|
} |
297
|
|
|
|
298
|
|
|
/** |
299
|
|
|
* Moves a widget to a sidebar. Does not validate that the sidebar exists, |
300
|
|
|
* so please do that first. Also does not save the widget's settings. Please |
301
|
|
|
* do that with `set_widget_settings`. The first argument should be a |
302
|
|
|
* widget as returned by `format_widget` including `id`, `sidebar`, and |
303
|
|
|
* `position`. |
304
|
|
|
* |
305
|
|
|
* If $position is not set, it will be set to the next available position. |
306
|
|
|
* |
307
|
|
|
* Can be used to add a new widget to a sidebar if |
308
|
|
|
* $widget['sidebar'] === NULL |
309
|
|
|
* |
310
|
|
|
* Can be used to move a widget within a sidebar as well if |
311
|
|
|
* $widget['sidebar'] === $sidebar. |
312
|
|
|
* |
313
|
|
|
* @param array $widget The widget to be moved (see format_widget). |
314
|
|
|
* @param string $sidebar The sidebar where this widget will be moved. |
315
|
|
|
* @param string|integer $position (Optional) The position where this widget will be moved in the sidebar. |
316
|
|
|
* |
317
|
|
|
* @return bool |
318
|
|
|
*/ |
319
|
|
|
public static function move_widget_to_sidebar( $widget, $sidebar, $position ) { |
320
|
|
|
$sidebars_widgets = self::get_sidebars_widgets(); |
321
|
|
|
|
322
|
|
|
// If a position is passed and the sidebar isn't empty, |
323
|
|
|
// splice the widget into the sidebar, update the sidebar option, and return the result |
324
|
|
|
if ( isset( $widget['sidebar'] ) && isset( $widget['position'] ) ) { |
325
|
|
|
array_splice( $sidebars_widgets[ $widget['sidebar'] ], $widget['position'], 1 ); |
326
|
|
|
} |
327
|
|
|
|
328
|
|
|
// Sometimes an existing empty sidebar is NULL, so initialize it. |
329
|
|
|
if ( array_key_exists( $sidebar, $sidebars_widgets ) && ! is_array( $sidebars_widgets[ $sidebar ] ) ) { |
330
|
|
|
$sidebars_widgets[ $sidebar ] = array(); |
331
|
|
|
} |
332
|
|
|
|
333
|
|
|
// If no position is passed, set one from items in sidebar |
334
|
|
|
if ( ! isset( $position ) ) { |
335
|
|
|
$position = 0; |
336
|
|
|
$last_position = self::get_last_position_in_sidebar( $sidebar ); |
337
|
|
|
if ( isset( $last_position ) && is_numeric( $last_position ) ) { |
338
|
|
|
$position = $last_position + 1; |
339
|
|
|
} |
340
|
|
|
} |
341
|
|
|
|
342
|
|
|
// Add the widget to the sidebar and reflow the positions of the other widgets. |
343
|
|
|
if ( empty( $sidebars_widgets[ $sidebar ] ) ) { |
344
|
|
|
$sidebars_widgets[ $sidebar ][] = $widget['id']; |
345
|
|
|
} else { |
346
|
|
|
array_splice( $sidebars_widgets[ $sidebar ], (int)$position, 0, $widget['id'] ); |
347
|
|
|
} |
348
|
|
|
|
349
|
|
|
set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $sidebars_widgets ) ); |
350
|
|
|
return update_option( 'sidebars_widgets', $sidebars_widgets ); |
351
|
|
|
} |
352
|
|
|
|
353
|
|
|
/** |
354
|
|
|
* Return an integer containing the largest position number in a sidebar or |
355
|
|
|
* null if there are no widgets in that sidebar. |
356
|
|
|
* |
357
|
|
|
* @param string $sidebar The id of a sidebar. |
358
|
|
|
* |
359
|
|
|
* @return integer|null The last index position of a widget in that sidebar. |
360
|
|
|
*/ |
361
|
|
|
public static function get_last_position_in_sidebar( $sidebar ) { |
362
|
|
|
$widgets = self::get_widgets_in_sidebar( $sidebar ); |
363
|
|
|
if ( ! $widgets ) { |
364
|
|
|
return null; |
365
|
|
|
} |
366
|
|
|
$last_position = 0; |
367
|
|
|
foreach ( $widgets as $widget_id ) { |
368
|
|
|
$widget = self::get_widget_by_id( $widget_id ); |
369
|
|
|
if ( intval( $widget['position'] ) > intval( $last_position ) ) { |
370
|
|
|
$last_position = intval( $widget['position'] ); |
371
|
|
|
} |
372
|
|
|
} |
373
|
|
|
return $last_position; |
374
|
|
|
} |
375
|
|
|
|
376
|
|
|
/** |
377
|
|
|
* Saves settings for a widget. Does not add that widget to a sidebar. Please |
378
|
|
|
* do that with `move_widget_to_sidebar` first. Will merge the settings of |
379
|
|
|
* any existing widget with the same `$widget_id`. |
380
|
|
|
* |
381
|
|
|
* @param string $widget_id The id of a widget. |
382
|
|
|
* @param array $settings An associative array of settings to merge with any existing settings on this widget. |
383
|
|
|
* |
384
|
|
|
* @return boolean|WP_Error True if update was successful. |
385
|
|
|
*/ |
386
|
|
|
public static function set_widget_settings( $widget_id, $settings ) { |
387
|
|
|
$widget_option_name = self::get_widget_option_name( $widget_id ); |
388
|
|
|
$widget_settings = get_option( $widget_option_name ); |
389
|
|
|
$instance_key = self::get_widget_instance_key( $widget_id ); |
390
|
|
|
|
391
|
|
|
if ( ! $widget = self::get_registered_widget_object( self::get_widget_id_base( $widget_id ) ) { |
|
|
|
|
392
|
|
|
return new WP_Error( 'invalid_data', 'Invalid ID base.', 400 ); |
|
|
|
|
393
|
|
|
} |
394
|
|
|
|
395
|
|
|
// if the widget's content already exists |
396
|
|
|
if ( isset( $widget_settings[ $instance_key ] ) ) { |
397
|
|
|
$old_settings = $widget_settings[ $instance_key ]; |
398
|
|
|
|
399
|
|
|
if ( ! $settings = self::sanitize_widget_settings( $widget_id, $settings, $old_settings ) ) { |
400
|
|
|
return new WP_Error( 'invalid_data', 'Update failed.', 400 ); |
401
|
|
|
} |
402
|
|
|
if ( is_array( $old_settings ) ) { |
403
|
|
|
// array_filter prevents empty arguments from replacing existing ones |
404
|
|
|
$settings = wp_parse_args( array_filter( $settings ), $old_settings ); |
405
|
|
|
} |
406
|
|
|
} |
407
|
|
|
$widget_settings[ $instance_key ] = $settings; |
408
|
|
|
|
409
|
|
|
return update_option( $widget_option_name, $widget_settings ); |
410
|
|
|
} |
411
|
|
|
|
412
|
|
|
/** |
413
|
|
|
* Sanitize an associative array for saving. |
414
|
|
|
* |
415
|
|
|
* @param string $widget_id The id of a widget. |
416
|
|
|
* @param array $settings A widget settings array. |
417
|
|
|
* @param array $old_settings The existing widget settings array. |
418
|
|
|
* |
419
|
|
|
* @return array|false The settings array sanitized by `WP_Widget::update` or false if sanitization failed. |
420
|
|
|
*/ |
421
|
|
|
private static function sanitize_widget_settings( $widget_id, $settings, $old_settings ) { |
422
|
|
|
if ( ! $widget = self::get_registered_widget_object( self::get_widget_id_base( $widget_id ) ) ) { |
423
|
|
|
return false; |
424
|
|
|
} |
425
|
|
|
$new_settings = $widget->update( $settings, $old_settings ); |
426
|
|
|
if ( ! is_array( $new_settings ) ) { |
427
|
|
|
return false; |
428
|
|
|
} |
429
|
|
|
return $new_settings; |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* Deletes settings for a widget. Does not remove that widget to a sidebar. Please |
434
|
|
|
* do that with `remove_widget_from_sidebar` first. |
435
|
|
|
* |
436
|
|
|
* @param array $widget The widget which will have its settings removed (see format_widget). |
437
|
|
|
*/ |
438
|
|
|
public static function remove_widget_settings( $widget ) { |
439
|
|
|
$widget_option_name = self::get_widget_option_name( $widget['id'] ); |
440
|
|
|
$widget_settings = get_option( $widget_option_name ); |
441
|
|
|
unset( $widget_settings[ self::get_widget_instance_key( $widget['id'] ) ] ); |
442
|
|
|
update_option( $widget_option_name, $widget_settings ); |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
/** |
446
|
|
|
* Update a widget's settings, sidebar, and position. Returns the (updated) |
447
|
|
|
* formatted widget if successful or a WP_Error if it fails. |
448
|
|
|
* |
449
|
|
|
* @param string $widget_id The id of a widget to update. |
450
|
|
|
* @param string $sidebar (Optional) A sidebar to which this widget will be moved. |
451
|
|
|
* @param string|integer (Optional) A new position to which this widget will be moved within its new or existing sidebar. |
452
|
|
|
* @param array|object|string $settings Settings to merge with the existing settings of the widget (will be passed through `decode_settings`). |
453
|
|
|
* |
454
|
|
|
* @return array|WP_Error The newly added widget as an associative array with all the above properties. |
455
|
|
|
*/ |
456
|
|
|
public static function update_widget( $widget_id, $sidebar, $position, $settings ) { |
457
|
|
|
$settings = self::decode_settings( $settings ); |
458
|
|
|
if ( isset( $settings ) && ! is_array( $settings ) ) { |
459
|
|
|
return new WP_Error( 'invalid_data', 'Invalid settings', 400 ); |
460
|
|
|
} |
461
|
|
|
// Default to an empty array if nothing is specified. |
462
|
|
|
if ( ! is_array( $settings ) ) { |
463
|
|
|
$settings = array(); |
464
|
|
|
} |
465
|
|
|
$widget = self::get_widget_by_id( $widget_id ); |
466
|
|
|
if ( ! $widget ) { |
467
|
|
|
return new WP_Error( 'not_found', 'No widget found.', 400 ); |
468
|
|
|
} |
469
|
|
|
if ( ! $sidebar ) { |
470
|
|
|
$sidebar = $widget['sidebar']; |
471
|
|
|
} |
472
|
|
|
if ( ! isset( $position ) ) { |
473
|
|
|
$position = $widget['position']; |
474
|
|
|
} |
475
|
|
|
if ( ! is_numeric( $position ) ) { |
476
|
|
|
return new WP_Error( 'invalid_data', 'Invalid position', 400 ); |
477
|
|
|
} |
478
|
|
|
|
479
|
|
|
// return if no widgets are present in the sidebar |
480
|
|
|
$widgets_in_sidebar = self::get_widgets_in_sidebar( $sidebar ); |
481
|
|
|
if ( ! isset( $widgets_in_sidebar ) ) { |
482
|
|
|
return new WP_Error( 'invalid_data', 'No widgets in sidebar', 400 ); |
483
|
|
|
} |
484
|
|
|
|
485
|
|
|
// call when placing widget in a new sidebar, else obsolete |
486
|
|
|
if ( ! self::is_widget_in_sidebar( $widgets_in_sidebar, $widget_id ) ) { |
487
|
|
|
self::move_widget_to_sidebar( $widget, $sidebar, $position ); |
488
|
|
|
} |
489
|
|
|
|
490
|
|
|
$widget_save_status = self::set_widget_settings( $widget_id, $settings ); |
491
|
|
|
if ( is_wp_error( $widget_save_status ) ) { |
492
|
|
|
return $widget_save_status; |
493
|
|
|
} |
494
|
|
|
return self::get_widget_by_id( $widget_id ); |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
/** |
498
|
|
|
* Find a widget in a list of all widgets retrieved from a sidebar |
499
|
|
|
* using get_widgets_in_sidebar() |
500
|
|
|
* @param string $widget The widget we want to look up in the sidebar |
501
|
|
|
* |
502
|
|
|
* @param string $widgets_all the array of widget is' in a given sidebar |
503
|
|
|
* |
504
|
|
|
* @return bool Whether present. |
505
|
|
|
*/ |
506
|
|
|
|
507
|
|
|
public static function is_widget_in_sidebar( $widgets_all, $widget_id ) { |
508
|
|
|
foreach ( $widgets_all as $widget_el_id ) { |
509
|
|
|
if ( $widget_el_id === $widget_id ) { |
510
|
|
|
return true; |
511
|
|
|
} |
512
|
|
|
} |
513
|
|
|
return false; |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
/** |
517
|
|
|
* Deletes a widget entirely including all its settings. Returns a WP_Error if |
518
|
|
|
* the widget could not be found. Otherwise returns an empty array. |
519
|
|
|
* |
520
|
|
|
* @param string $widget_id The id of a widget to delete. (eg: 'text-2') |
521
|
|
|
* |
522
|
|
|
* @return array|WP_Error An empty array if successful. |
523
|
|
|
*/ |
524
|
|
|
public static function delete_widget( $widget_id ) { |
525
|
|
|
$widget = self::get_widget_by_id( $widget_id ); |
526
|
|
|
if ( ! $widget ) { |
527
|
|
|
return new WP_Error( 'not_found', 'No widget found.', 400 ); |
528
|
|
|
} |
529
|
|
|
self::remove_widget_from_sidebar( $widget ); |
530
|
|
|
self::remove_widget_settings( $widget ); |
531
|
|
|
return array(); |
532
|
|
|
} |
533
|
|
|
|
534
|
|
|
/** |
535
|
|
|
* Return an array of settings. The input can be either an object, a JSON |
536
|
|
|
* string, or an array. |
537
|
|
|
* |
538
|
|
|
* @param array|string|object $settings The settings of a widget as passed into the API. |
539
|
|
|
* |
540
|
|
|
* @return array Decoded associative array of settings. |
541
|
|
|
*/ |
542
|
|
|
public static function decode_settings( $settings ) { |
543
|
|
|
// Treat as string in case JSON was passed |
544
|
|
|
if ( is_object( $settings ) && property_exists( $settings, 'scalar' ) ) { |
545
|
|
|
$settings = $settings->scalar; |
546
|
|
|
} |
547
|
|
|
if ( is_object( $settings ) ) { |
548
|
|
|
$settings = (array) $settings; |
549
|
|
|
} |
550
|
|
|
// Attempt to decode JSON string |
551
|
|
|
if ( is_string( $settings ) ) { |
552
|
|
|
$settings = (array) json_decode( $settings ); |
553
|
|
|
} |
554
|
|
|
return $settings; |
555
|
|
|
} |
556
|
|
|
|
557
|
|
|
/** |
558
|
|
|
* Activate a new widget. |
559
|
|
|
* |
560
|
|
|
* @param string $id_base The id_base of the new widget (eg: 'text') |
561
|
|
|
* @param string $sidebar The id of the sidebar where this widget will go. Dependent on theme. (eg: 'sidebar-1') |
562
|
|
|
* @param string|integer $position (Optional) The position of the widget in the sidebar. Defaults to the last position. |
563
|
|
|
* @param array|object|string $settings (Optional) An associative array of settings for this widget (will be passed through `decode_settings`). Varies by widget. |
564
|
|
|
* |
565
|
|
|
* @return array|WP_Error The newly added widget as an associative array with all the above properties except 'id_base' replaced with the generated 'id'. |
566
|
|
|
*/ |
567
|
|
|
public static function activate_widget( $id_base, $sidebar, $position, $settings ) { |
568
|
|
|
if ( ! isset( $id_base ) || ! self::validate_id_base( $id_base ) ) { |
569
|
|
|
return new WP_Error( 'invalid_data', 'Invalid ID base', 400 ); |
570
|
|
|
} |
571
|
|
|
|
572
|
|
|
if ( ! isset( $sidebar ) ) { |
573
|
|
|
return new WP_Error( 'invalid_data', 'No sidebar provided', 400 ); |
574
|
|
|
} |
575
|
|
|
|
576
|
|
|
if ( isset( $position ) && ! is_numeric( $position ) ) { |
577
|
|
|
return new WP_Error( 'invalid_data', 'Invalid position', 400 ); |
578
|
|
|
} |
579
|
|
|
|
580
|
|
|
$settings = self::decode_settings( $settings ); |
581
|
|
|
if ( isset( $settings ) && ! is_array( $settings ) ) { |
582
|
|
|
return new WP_Error( 'invalid_data', 'Invalid settings', 400 ); |
583
|
|
|
} |
584
|
|
|
|
585
|
|
|
// Default to an empty array if nothing is specified. |
586
|
|
|
if ( ! is_array( $settings ) ) { |
587
|
|
|
$settings = array(); |
588
|
|
|
} |
589
|
|
|
|
590
|
|
|
$widget_counter = 1 + self::get_last_widget_instance_key_with_id_base( $id_base ); |
591
|
|
|
$widget_id = $id_base . '-' . $widget_counter; |
592
|
|
|
if ( 0 >= $widget_counter ) { |
593
|
|
|
return new WP_Error( 'invalid_data', 'Error creating widget ID' . $widget_id, 500 ); |
594
|
|
|
} |
595
|
|
|
if ( self::get_widget_by_id( $widget_id ) ) { |
596
|
|
|
return new WP_Error( 'invalid_data', 'Widget ID already exists', 500 ); |
597
|
|
|
} |
598
|
|
|
|
599
|
|
|
self::add_widget_to_sidebar( $widget_id, $sidebar, $position ); |
600
|
|
|
$widget_save_status = self::set_widget_settings( $widget_id, $settings ); |
601
|
|
|
if ( is_wp_error( $widget_save_status ) ) { |
602
|
|
|
return $widget_save_status; |
603
|
|
|
} |
604
|
|
|
|
605
|
|
|
// Add a Tracks event for non-Headstart activity. |
606
|
|
|
if ( ! defined( 'HEADSTART' ) ) { |
607
|
|
|
jetpack_require_lib( 'tracks/client' ); |
608
|
|
|
jetpack_tracks_record_event( wp_get_current_user(), 'wpcom_widgets_activate_widget', array( |
609
|
|
|
'widget' => $id_base, |
610
|
|
|
'settings' => json_encode( $settings ), |
611
|
|
|
) ); |
612
|
|
|
} |
613
|
|
|
|
614
|
|
|
return self::get_widget_by_id( $widget_id ); |
615
|
|
|
} |
616
|
|
|
|
617
|
|
|
/** |
618
|
|
|
* Activate an array of new widgets. Like calling `activate_widget` multiple times. |
619
|
|
|
* |
620
|
|
|
* @param array $widgets An array of widget arrays. Each sub-array must be of the format required by `activate_widget`. |
621
|
|
|
* |
622
|
|
|
* @return array|WP_Error The newly added widgets in the form returned by `get_all_widgets`. |
623
|
|
|
*/ |
624
|
|
|
public static function activate_widgets( $widgets ) { |
625
|
|
|
if ( ! is_array( $widgets ) ) { |
626
|
|
|
return new WP_Error( 'invalid_data', 'Invalid widgets', 400 ); |
627
|
|
|
} |
628
|
|
|
|
629
|
|
|
$added_widgets = array(); |
630
|
|
|
|
631
|
|
|
foreach( $widgets as $widget ) { |
632
|
|
|
$added_widgets[] = self::activate_widget( $widget['id_base'], $widget['sidebar'], $widget['position'], $widget['settings'] ); |
633
|
|
|
} |
634
|
|
|
|
635
|
|
|
return $added_widgets; |
636
|
|
|
} |
637
|
|
|
|
638
|
|
|
/** |
639
|
|
|
* Return the last instance key (integer) of an existing widget matching |
640
|
|
|
* `$id_base`. So if you pass in `text`, and there is a widget with the id |
641
|
|
|
* `text-2`, this function will return `2`. |
642
|
|
|
* |
643
|
|
|
* @param string $id_base The id_base of a type of widget. (eg: 'rss') |
644
|
|
|
* |
645
|
|
|
* @return integer The last instance key of that type of widget. |
646
|
|
|
*/ |
647
|
|
|
public static function get_last_widget_instance_key_with_id_base( $id_base ) { |
648
|
|
|
$similar_widgets = self::get_widgets_with_id_base( $id_base ); |
649
|
|
|
|
650
|
|
|
if ( ! empty( $similar_widgets ) ) { |
651
|
|
|
// If the last widget with the same name is `text-3`, we want `text-4` |
652
|
|
|
usort( $similar_widgets, __CLASS__ . '::sort_widgets' ); |
653
|
|
|
|
654
|
|
|
$last_widget = array_pop( $similar_widgets ); |
655
|
|
|
$last_val = intval( self::get_widget_instance_key( $last_widget['id'] ) ); |
656
|
|
|
|
657
|
|
|
return $last_val; |
658
|
|
|
} |
659
|
|
|
|
660
|
|
|
return 0; |
661
|
|
|
} |
662
|
|
|
|
663
|
|
|
/** |
664
|
|
|
* Method used to sort widgets |
665
|
|
|
* |
666
|
|
|
* @since 5.4 |
667
|
|
|
* |
668
|
|
|
* @param array $a |
669
|
|
|
* @param array $b |
670
|
|
|
* |
671
|
|
|
* @return int |
672
|
|
|
*/ |
673
|
|
|
public static function sort_widgets( $a, $b ) { |
674
|
|
|
$a_val = intval( self::get_widget_instance_key( $a['id'] ) ); |
675
|
|
|
$b_val = intval( self::get_widget_instance_key( $b['id'] ) ); |
676
|
|
|
if ( $a_val > $b_val ) { |
677
|
|
|
return 1; |
678
|
|
|
} |
679
|
|
|
if ( $a_val < $b_val ) { |
680
|
|
|
return -1; |
681
|
|
|
} |
682
|
|
|
return 0; |
683
|
|
|
} |
684
|
|
|
|
685
|
|
|
/** |
686
|
|
|
* Retrieve a given widget object instance by ID base (eg. 'text' or 'archives'). |
687
|
|
|
* |
688
|
|
|
* @param string $id_base The id_base of a type of widget. |
689
|
|
|
* |
690
|
|
|
* @return WP_Widget|false The found widget object or false if the id_base was not found. |
691
|
|
|
*/ |
692
|
|
|
public static function get_registered_widget_object( $id_base ) { |
693
|
|
|
if ( ! $id_base ) { |
694
|
|
|
return false; |
695
|
|
|
} |
696
|
|
|
|
697
|
|
|
// Get all of the registered widgets. |
698
|
|
|
global $wp_widget_factory; |
699
|
|
|
if ( ! isset( $wp_widget_factory ) ) { |
700
|
|
|
return false; |
701
|
|
|
} |
702
|
|
|
|
703
|
|
|
$registered_widgets = $wp_widget_factory->widgets; |
704
|
|
|
if ( empty( $registered_widgets ) ) { |
705
|
|
|
return false; |
706
|
|
|
} |
707
|
|
|
|
708
|
|
|
foreach ( array_values( $registered_widgets ) as $registered_widget_object ) { |
709
|
|
|
if ( $registered_widget_object->id_base === $id_base ) { |
710
|
|
|
return $registered_widget_object; |
711
|
|
|
} |
712
|
|
|
} |
713
|
|
|
return false; |
714
|
|
|
} |
715
|
|
|
|
716
|
|
|
/** |
717
|
|
|
* Validate a given widget ID base (eg. 'text' or 'archives'). |
718
|
|
|
* |
719
|
|
|
* @param string $id_base The id_base of a type of widget. |
720
|
|
|
* |
721
|
|
|
* @return boolean True if the widget is of a known type. |
722
|
|
|
*/ |
723
|
|
|
public static function validate_id_base( $id_base ) { |
724
|
|
|
return ( false !== self::get_registered_widget_object( $id_base ) ); |
725
|
|
|
} |
726
|
|
|
} |
727
|
|
|
|