quadmenu / lib / backend / class-ajax.php

class-ajax.php in QuadMenu – Mega Menu trunk, at lib/backend/class-ajax.php

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1	<?php
2	namespace QuadLayers\QuadMenu\Backend;
3
4	if ( ! defined( 'ABSPATH' ) ) {
5	die( '-1' );
6	}
7
8	use QuadLayers\QuadMenu\Plugin;
9	use QuadLayers\QuadMenu\Backend\Settings;
10	use QuadLayers\QuadMenu\Configuration;
11
12	/**
13	* Ajax Class ex QuadMenu_Ajax
14	*/
15	class Ajax extends Settings {
16
17	public static $instance;
18
19	public function __construct() {
20
21	add_action( 'admin_enqueue_scripts', array( $this, 'enqueue' ), 10 );
22
23	// Ajax
24	// -----------------------------------------------------------------
25
26	add_action( 'wp_ajax_quadmenu_add_nav_menu_item', array( $this, 'ajax_add_nav_menu_item' ) );
27
28	add_action( 'wp_ajax_quadmenu_delete_nav_menu_item', array( $this, 'ajax_delete_nav_menu_item' ) );
29
30	add_action( 'wp_ajax_quadmenu_update_nav_menu_item', array( $this, 'ajax_update_nav_menu_item_order' ) );
31
32	add_action( 'wp_ajax_quadmenu_add_nav_menu_item_settings', array( $this, 'ajax_add_nav_menu_item_settings' ) );
33
34	add_action( 'wp_ajax_quadmenu_save_nav_menu_item_settings', array( $this, 'ajax_save_nav_menu_item_settings' ) );
35
36	// WP
37	// ---------------------------------------------------------------------
38
39	add_action( 'wp_update_nav_menu_item', array( $this, 'update_nav_menu_item' ), 10, 3 );
40
41	// Nav Menu
42	// -----------------------------------------------------------------
43
44	add_meta_box( 'quadmenu_nav_menu_items', esc_html__( 'QuadMenu Items', 'quadmenu' ), array( $this, 'nav_items' ), 'nav-menus', 'side', 'high' );
45
46	add_meta_box( 'quadmenu_nav_menu_archives', esc_html__( 'QuadMenu Archives', 'quadmenu' ), array( $this, 'nav_archives' ), 'nav-menus', 'side', 'high' );
47	}
48
49	public function enqueue() {
50
51	global $pagenow;
52
53	if ( $pagenow != 'nav-menus.php' ) {
54	return;
55	}
56
57	wp_enqueue_media();
58
59	wp_enqueue_style( 'quadmenu-admin' );
60
61	wp_enqueue_script( 'quadmenu-admin' );
62
63	wp_localize_script(
64	'quadmenu-admin',
65	'quadmenu',
66	array(
67	'nonce' => wp_create_nonce( 'quadmenu' ),
68	'add_name' => QUADMENU_PLUGIN_NAME,
69	'add_background' => esc_html( 'Add Background', 'quadmenu' ),
70	'add_to_column' => esc_html( 'Add to Column', 'quadmenu' ),
71	)
72	);
73	}
74
75	public function nav_items() {
76	global $_nav_menu_placeholder, $nav_menu_selected_id;
77
78	$items = Configuration::custom_nav_menu_items();
79	?>
80	<div id="posttype-quadmenu-custom" class="posttypediv">
81	<div id="tabs-panel-quadmenu-custom" class="tabs-panel tabs-panel-active">
82	<ul id ="quadmenu-custom-checklist" class="categorychecklist form-no-clear">
83	<?php
84	if ( is_object( $items ) ) :
85
86	foreach ( $items as $id => $item ) :
87
88	if ( ! isset( $item->depth ) \|\| $item->depth > 0 ) {
89	continue;
90	}
91
92	$classes = array();
93
94	$classes[] = 'quadmenu-item';
95
96	$classes[] = 'quadmenu-item-' . $id;
97
98	if ( isset( $item->depth ) ) {
99	$classes[] = 'quadmenu-item-depth-' . $item->depth;
100	}
101
102	$title = $id;
103
104	if ( isset( $item->title ) ) {
105	$title = $item->title;
106	}
107
108	$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval( $_nav_menu_placeholder ) - 1 : -1;
109	?>
110
111	<li class="<?php echo join( ' ', array_map( 'sanitize_html_class', $classes ) ); ?>">
112	<label class="menu-item-title">
113	<input type="checkbox" class="menu-item-checkbox" name="menu-item[<?php echo esc_attr( $_nav_menu_placeholder ); ?>][menu-item-label]" value="0">
114	<?php echo esc_html( $title ); ?>
115	<?php if ( ! empty( $item->desc ) ) : ?>
116	<small><?php echo $item->desc; ?></small>
117	<?php endif; ?>
118	</label>
119	<input type="hidden" class="menu-item-type" name="menu-item[<?php echo esc_attr( $_nav_menu_placeholder ); ?>][menu-item-type]" value="custom">
120	<input type="hidden" class="menu-item-title" name="menu-item[<?php echo esc_attr( $_nav_menu_placeholder ); ?>][menu-item-title]" value="<?php echo esc_html( $title ); ?>">
121	<input type="hidden" class="menu-item-quadmenu" name="menu-item[<?php echo esc_attr( $_nav_menu_placeholder ); ?>][menu-item-quadmenu]" value="<?php echo esc_attr( $id ); ?>">
122	</li>
123
124	<?php endforeach; ?>
125
126	<?php endif; ?>
127	</ul>
128	</div>
129	<p class="button-controls">
130	<span class="add-to-menu">
131	<input type="submit" class="button-secondary submit-add-to-quadmenu right" value="<?php esc_html_e( 'Add to Menu' ); ?>" name="submit-posttype-quadmenu-custom" id="submit-posttype-quadmenu-custom">
132	<span class="spinner"></span>
133	</span>
134	</p>
135	</div>
136	<?php
137	}
138
139	public function nav_archives() {
140
141	$post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
142
143	if ( $post_types ) :
144	$items = array();
145	$loop_index = 999999;
146
147	foreach ( $post_types as $post_type ) {
148	$item = new \stdClass();
149	++$loop_index;
150
151	$item->object_id = $loop_index;
152	$item->db_id = 0;
153	$item->object = $post_type->name;
154	$item->menu_item_parent = 0;
155	$item->type = 'post_type_archive';
156	$item->title = sprintf( esc_html__( 'All %s', 'quadmenu' ), str_replace( 'All ', '', $post_type->labels->name ) );
157	$item->url = get_post_type_archive_link( $post_type->query_var );
158	$item->target = '';
159	$item->attr_title = '';
160	$item->classes = array();
161	$item->xfn = '';
162
163	$items[] = $item;
164	}
165
166	$walker = new \Walker_Nav_Menu_Checklist( array() );
167	?>
168
169	<div id="posttype-archive" class="posttypediv">
170	<div id="tabs-panel-posttype-archive" class="tabs-panel tabs-panel-active">
171	<ul id="posttype-archive-checklist" class="categorychecklist form-no-clear">
172	<?php echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', $items ), 0, (object) array( 'walker' => $walker ) ); ?>
173	</ul>
174	</div>
175	</div>
176
177	<p class="button-controls">
178	<span class="add-to-menu">
179	<input type="submit"<?php disabled( 1, 0 ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_html_e( 'Add to Menu' ); ?>" name="add-posttype-archive-menu-item" id="submit-posttype-archive" />
180	<span class="spinner"></span>
181	</span>
182	</p>
183
184	<?php
185	endif;
186	}
187
188	public function ajax_add_nav_menu_item() {
189
190	if ( ! check_ajax_referer( 'quadmenu', 'nonce', false ) ) {
191	Plugin::send_json_error( esc_html__( 'Please reload the page.', 'quadmenu' ) );
192	}
193
194	if ( empty( $_REQUEST['menu-item'] ) ) {
195	Plugin::send_json_error( esc_html__( 'Undefined menu-item var.', 'quadmenu' ) );
196	wp_die();
197	}
198
199	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
200
201	// For performance reasons, we omit some object properties from the checklist.
202	// The following is a hacky way to restore them when adding non-custom items.
203
204	$menu_items_data = array();
205
206	foreach ( (array) $_REQUEST['menu-item'] as $menu_item_data ) {
207	$menu_items_data[] = $menu_item_data;
208	}
209
210	$menu_id = absint( $_REQUEST['menu_id'] );
211
212	$item_ids = $this->ajax_create_nav_menu_items( $menu_id, $menu_items_data );
213
214	if ( is_wp_error( $item_ids ) ) {
215	wp_die();
216	}
217
218	$menu_items = array();
219
220	foreach ( (array) $item_ids as $menu_item_id ) {
221
222	$menu_obj = Plugin::wp_setup_nav_menu_item( $menu_item_id );
223
224	$menu_obj->label = $menu_obj->title; // don't show "(pending)" in ajax-added items
225
226	$menu_items[] = $menu_obj;
227	}
228
229	$walker_class_name = apply_filters( 'quadmenu_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $menu_id, $menu_obj, $menu_items );
230
231	if ( ! class_exists( $walker_class_name ) ) {
232
233	Plugin::send_json_error( sprintf( esc_html__( 'Class %s don\'t exists.', 'quadmenu' ), $walker_class_name ) );
234
235	wp_die();
236	}
237
238	if ( ! empty( $menu_items ) ) {
239	$args = array(
240	'after' => '',
241	'before' => '',
242	'link_after' => '',
243	'link_before' => '',
244	'walker' => new $walker_class_name(),
245	'doing_ajax' => true,
246	);
247
248	$html = walk_nav_menu_tree( $menu_items, 0, (object) $args );
249
250	if ( $html ) {
251	Plugin::send_json_success( $html );
252	} else {
253	Plugin::send_json_error( sprintf( esc_html__( 'Failed to add %s', 'quadmenu' ), $items[ $menu_obj->quadmenu ]['label'] ) );
254	}
255	}
256
257	wp_die();
258	}
259
260	public function ajax_create_nav_menu_items( $menu_id = 0, $menu_data = array() ) {
261
262	$items_saved = array();
263
264	if ( 0 == $menu_id \|\| is_nav_menu( $menu_id ) ) {
265
266	wp_cache_delete( "wp_get_nav_menu_items_{$menu_id}", 'quadmenu' );
267
268	// Loop through all the menu items' POST values.
269	foreach ( (array) $menu_data as $_possible_db_id => $_item_object_data ) {
270
271	// If this possible menu item doesn't actually have a menu database ID yet.
272	if ( empty( $_item_object_data['menu-item-db-id'] ) \|\| ( 0 > $_possible_db_id ) \|\| $_possible_db_id != $_item_object_data['menu-item-db-id'] ) {
273	$_actual_db_id = 0;
274	} else {
275	$_actual_db_id = (int) $_item_object_data['menu-item-db-id'];
276	}
277
278	$args = array(
279	'menu-item-status' => ( isset( $_item_object_data['menu-item-status'] ) ? $_item_object_data['menu-item-status'] : '' ),
280	'menu-item-db-id' => ( isset( $_item_object_data['menu-item-db-id'] ) ? $_item_object_data['menu-item-db-id'] : '' ),
281	'menu-item-object-id' => ( isset( $_item_object_data['menu-item-object-id'] ) ? $_item_object_data['menu-item-object-id'] : '' ),
282	'menu-item-object' => ( isset( $_item_object_data['menu-item-object'] ) ? $_item_object_data['menu-item-object'] : '' ),
283	'menu-item-type' => ( isset( $_item_object_data['menu-item-type'] ) ? $_item_object_data['menu-item-type'] : '' ),
284	'menu-item-title' => ( isset( $_item_object_data['menu-item-title'] ) ? $_item_object_data['menu-item-title'] : '' ),
285	'menu-item-url' => ( isset( $_item_object_data['menu-item-url'] ) ? $_item_object_data['menu-item-url'] : '' ),
286	'menu-item-parent-id' => ( isset( $_item_object_data['menu-item-parent-id'] ) ? $_item_object_data['menu-item-parent-id'] : '' ),
287	'menu-item-columns' => ( isset( $_item_object_data['menu-item-columns'] ) ? $_item_object_data['menu-item-columns'] : $_item_object_data['menu-item-type'] ),
288	'menu-item-quadmenu' => ( isset( $_item_object_data['menu-item-quadmenu'] ) ? $_item_object_data['menu-item-quadmenu'] : $_item_object_data['menu-item-type'] ),
289	'menu-item-quadmenu-widget' => ( isset( $_item_object_data['menu-item-quadmenu-widget'] ) ? $_item_object_data['menu-item-quadmenu-widget'] : '' ),
290	);
291
292	if ( $this->ajax_check_nav_menu_item_parent( $args ) ) {
293	$items_saved[] = wp_update_nav_menu_item( $menu_id, $_actual_db_id, $args );
294	}
295	}
296	}
297
298	return $items_saved;
299	}
300
301	public function ajax_check_nav_menu_item_parent( $args ) {
302
303	$items = Configuration::custom_nav_menu_items();
304
305	if ( ! isset( $items->{$args['menu-item-quadmenu']} ) ) {
306	Plugin::send_json_error( sprintf( esc_html__( 'Failed to add %s. Is not registered in QuadMenu Items.', 'quadmenu' ), $items->{$args['menu-item-quadmenu']} ) );
307	}
308
309	if ( isset( $items->{$args['menu-item-quadmenu']}->parent ) ) {
310
311	if ( $parent_obj = Plugin::wp_setup_nav_menu_item( $args['menu-item-parent-id'] ) ) {
312
313	if ( $items->{$args['menu-item-quadmenu']}->parent === 'main' ) {
314	Plugin::send_json_error( sprintf( esc_html__( 'Failed to add %s. Only can be placed on the main menu.', 'quadmenu' ), $items->{$args['menu-item-quadmenu']}->label ) );
315	}
316
317	if ( ! in_array( sanitize_key( $parent_obj->quadmenu ), (array) $items->{$args['menu-item-quadmenu']}->parent ) ) {
318	Plugin::send_json_error( sprintf( esc_html__( 'Failed to add %1$s as child of %2$s', 'quadmenu' ), $items->{$args['menu-item-quadmenu']}->label, $items->{$parent_obj->quadmenu}->label ) );
319	}
320	} elseif ( $items->{$args['menu-item-quadmenu']}->parent !== 'main' ) {
321	Plugin::send_json_error( sprintf( esc_html__( 'Failed to add %1$s. Has to be child of %2$s', 'quadmenu' ), join( ' ', (array) $items->{$args['menu-item-quadmenu']}->label ), join( ' ', (array) $items->{$args['menu-item-quadmenu']}->parent ) ) );
322	}
323	}
324
325	return true;
326	}
327
328	public function ajax_delete_nav_menu_item() {
329
330	if ( ! check_ajax_referer( 'quadmenu', 'nonce', false ) ) {
331	Plugin::send_json_error( esc_html__( 'Please reload the page.', 'quadmenu' ) );
332	}
333
334	$menu_id = absint( $_REQUEST['menu_id'] );
335
336	$menu_item_id = absint( $_REQUEST['menu_item_id'] );
337
338	$deleted = $this->delete_children_nav_menu_items( $menu_id, $menu_item_id );
339
340	Plugin::send_json_success( sprintf( esc_html__( 'Removed items %s.', 'quadmenu' ), join( ' ', (array) $deleted ) ) );
341
342	wp_die();
343	}
344
345	public function delete_children_nav_menu_items( $menu_id = 0, $menu_item_id = 0 ) {
346
347	$deleted = array();
348
349	if ( $menu_item_id > 0 && is_nav_menu_item( $menu_item_id ) ) {
350
351	wp_cache_delete( "wp_get_nav_menu_items_{$menu_id}", 'quadmenu' );
352
353	$delete_menu_items_id = $this->get_children_nav_menu_items( $menu_id, $menu_item_id );
354
355	$delete_menu_items_id[] = array( 'id' => $menu_item_id );
356
357	if ( is_array( $delete_menu_items_id ) && count( $delete_menu_items_id ) ) {
358	foreach ( $delete_menu_items_id as $item ) {
359
360	$id = absint( $item['id'] );
361
362	do_action( 'quadmenu_delete_nav_menu_item', $id, $menu_id );
363
364	if ( wp_delete_post( $id, true ) ) {
365
366	$deleted[] = $id;
367	}
368	}
369	}
370	}
371
372	return $deleted;
373	}
374
375	public function ajax_update_nav_menu_item_order() {
376
377	if ( ! check_ajax_referer( 'quadmenu', 'nonce', false ) ) {
378	Plugin::send_json_error( esc_html__( 'Please reload the page.', 'quadmenu' ) );
379	}
380
381	$menu_id = absint( $_REQUEST['menu_id'] );
382
383	if ( isset( $_REQUEST['menu-item'] ) && is_array( $_REQUEST['menu-item'] ) ) {
384
385	$updated = array();
386
387	foreach ( $_REQUEST['menu-item'] as $menu_item_id => $menu_item_data ) {
388
389	$menu_item_parent_id = absint( $menu_item_data['menu-item-parent-id'] );
390
391	$menu_item_position = absint( $menu_item_data['menu-item-position'] );
392
393	update_post_meta( $menu_item_id, '_menu_item_menu_item_parent', $menu_item_parent_id );
394
395	if ( $id = wp_update_post(
396	array(
397	'ID' => $menu_item_id,
398	'menu_order' => $menu_item_position,
399	)
400	) ) {
401	$updated[] = $menu_item_id;
402	}
403	}
404
405	wp_cache_delete( "wp_get_nav_menu_items_{$menu_id}", 'quadmenu' );
406
407	Plugin::send_json_success( sprintf( esc_html__( 'Updated items %s.', 'quadmenu' ), join( ' ', (array) $updated ) ) );
408	} else {
409
410	Plugin::send_json_error( esc_html__( 'Undefined menu-item var.', 'quadmenu' ) );
411	}
412
413	wp_die();
414	}
415
416	public function ajax_add_nav_menu_item_settings() {
417
418	if ( ! check_ajax_referer( 'quadmenu', 'nonce', false ) ) {
419	Plugin::send_json_error( esc_html__( 'Please reload the page.', 'quadmenu' ) );
420	}
421
422	$menu_id = absint( $_REQUEST['menu_id'] );
423
424	$menu_item_id = absint( $_REQUEST['menu_item_id'] );
425
426	$menu_item_depth = absint( $_REQUEST['menu_item_depth'] );
427
428	$menu_obj = Plugin::wp_setup_nav_menu_item( $menu_item_id );
429
430	ob_start();
431	?>
432
433	<div id="quadmenu-settings" class="quadmenu-item-depth-<?php echo esc_attr( $menu_item_depth ); ?> quadmenu-item-<?php echo esc_attr( $menu_obj->quadmenu ); ?>">
434	<div class="quadmenu-settings-header">
435	<div class="quadmenu_saving"><?php esc_html_e( 'Saving', 'quadmenu' ); ?></div>
436	<button type="button" class="quadmenu_close button-secondary" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
437	<h3 id="quadmenu-title-<?php echo esc_attr( $menu_obj->ID ); ?>" class="quadmenu-title"><i class="<?php echo esc_attr( $menu_obj->icon ); ?>"></i><span><?php esc_html_e( $menu_obj->title ); ?></span></h3>
438	</div>
439	<div class="quadmenu-settings-body clearfix">
440	<?php do_action( 'quadmenu_modal_panels', $menu_item_depth, $menu_obj, $menu_id ); ?>
441	</div>
442	<div class="clearfix"></div>
443	<div class="quadmenu-settings-modal-footer">
444	</div>
445	<div class="clearfix"></div>
446	</div>
447	<?php
448	if ( $settings = ob_get_clean() ) {
449	Plugin::send_json_success( $settings );
450	} else {
451	Plugin::send_json_error( sprintf( esc_html__( 'Can\'t load settings of %s.', 'quadmenu' ), $menu_obj->ID ) );
452	}
453
454	wp_die();
455	}
456
457	public function ajax_save_nav_menu_item_settings() {
458
459	if ( ! check_ajax_referer( 'quadmenu', 'nonce', false ) ) {
460	Plugin::send_json_error( esc_html__( 'Please reload the page.', 'quadmenu' ) );
461	}
462
463	if ( $menu_item_id = absint( $_REQUEST['menu_item_id'] ) ) {
464	wp_cache_delete( "wp_setup_nav_menu_item_{$menu_item_id}", 'quadmenu' );
465	}
466
467	$menu_id = absint( $_REQUEST['menu_id'] );
468
469	if ( $menu_item_id > 0 ) {
470
471	if ( isset( $_REQUEST['menu-item-quadmenu-settings'] ) && is_array( $_REQUEST['menu-item-quadmenu-settings'] ) ) {
472
473	$saved_settings = array_filter( (array) get_post_meta( $menu_item_id, QUADMENU_DB_ITEM, true ) );
474
475	if ( is_array( $saved_settings ) && $updated_settings = array_merge( $saved_settings, $_REQUEST['menu-item-quadmenu-settings'] ) ) {
476	update_post_meta( $menu_item_id, QUADMENU_DB_ITEM, $updated_settings );
477	}
478	}
479
480	if ( isset( $_REQUEST['menu-item-url'] ) ) {
481	update_post_meta( $menu_item_id, '_menu_item_url', esc_url_raw( $_REQUEST['menu-item-url'] ) );
482	}
483	if ( isset( $_REQUEST['menu-item-parent-id'] ) ) {
484	update_post_meta( $menu_item_id, '_menu_item_menu_item_parent', strval( (int) $_REQUEST['menu-item-parent-id'] ) );
485	}
486	if ( isset( $_REQUEST['menu-item-target'] ) ) {
487	update_post_meta( $menu_item_id, '_menu_item_target', sanitize_key( $_REQUEST['menu-item-target'] ) );
488	}
489	if ( isset( $_REQUEST['menu-item-classes'] ) ) {
490	$_REQUEST['menu-item-classes'] = array_map( 'sanitize_html_class', explode( ' ', $_REQUEST['menu-item-classes'] ) );
491	update_post_meta( $menu_item_id, '_menu_item_classes', $_REQUEST['menu-item-classes'] );
492	}
493	if ( isset( $_REQUEST['menu-item-xfn'] ) ) {
494	$_REQUEST['menu-item-xfn'] = join( ' ', array_map( 'sanitize_html_class', explode( ' ', $_REQUEST['menu-item-xfn'] ) ) );
495	update_post_meta( $menu_item_id, '_menu_item_xfn', $_REQUEST['menu-item-xfn'] );
496	}
497
498	if ( isset( $_REQUEST['menu-item-title'] ) \|\| isset( $_REQUEST['menu-item-attr-title'] ) \|\| isset( $_REQUEST['menu-item-description'] ) ) {
499
500	$post = array(
501	'ID' => $menu_item_id,
502	);
503
504	if ( isset( $_REQUEST['menu-item-title'] ) ) {
505	$post['post_title'] = apply_filters( 'the_title', $_REQUEST['menu-item-title'], $menu_item_id );
506	}
507	if ( isset( $_REQUEST['menu-item-attr-title'] ) ) {
508	$post['post_excerpt'] = wp_kses_post( $_REQUEST['menu-item-attr-title'] );
509	}
510	if ( isset( $_REQUEST['menu-item-description'] ) ) {
511	$post['post_content'] = wp_kses_post( $_REQUEST['menu-item-description'] );
512	}
513
514	// 'post_type' => 'nav_menu_item',
515	// 'post_parent' => $original_parent,
516	// 'menu_order' => $args['menu-item-position'],
517
518	if ( ! wp_update_post( $post ) ) {
519
520	Plugin::send_json_error( sprintf( esc_html__( 'Can\'t save settings of %s.', 'quadmenu' ), $menu_item_id ) );
521
522	wp_die();
523	}
524	}
525
526	Plugin::send_json_success( sprintf( esc_html__( 'Saved settings of %s.', 'quadmenu' ), $menu_item_id ) );
527
528	wp_die();
529	}
530
531	Plugin::send_json_error( sprintf( esc_html__( 'Can\'t save settings of %s.', 'quadmenu' ), $menu_item_id ) );
532
533	wp_die();
534	}
535
536	public function update_nav_menu_item( $menu_id, $menu_item_db_id, $args ) {
537
538	if ( ! empty( $args['menu-item-quadmenu'] ) ) {
539
540	$saved_settings = array_filter( (array) get_post_meta( $menu_item_db_id, QUADMENU_DB_ITEM, true ) );
541
542	$saved_settings['quadmenu'] = $args['menu-item-quadmenu'];
543
544	if ( ! empty( $args['menu-item-columns'] ) ) {
545	$saved_settings['columns'] = $args['menu-item-columns'];
546	}
547
548	update_post_meta( $menu_item_db_id, QUADMENU_DB_ITEM, $saved_settings );
549	}
550	}
551
552	public static function instance() {
553	if ( ! isset( self::$instance ) ) {
554	self::$instance = new self();
555	}
556	return self::$instance;
557	}
558	}
559