quadmenu / lib / frontend / walker / class-quadmenu-walker.php

class-quadmenu-walker.php in QuadMenu – Mega Menu 3.3.8, at lib/frontend/walker/class-quadmenu-walker.php

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1	<?php
2	namespace QuadLayers\QuadMenu\Frontend\Walker;
3
4	if ( ! defined( 'ABSPATH' ) ) {
5	die( '-1' );
6	}
7
8	/**
9	* QuadMenuWalker Class
10	*/
11	class QuadMenu_Walker extends \Walker_Nav_Menu {
12
13	public $item_stack = array();
14	public $current_umitem;
15	public $auto_child = '';
16
17	function __construct() {
18	}
19
20	function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
21
22	if ( ! $element ) {
23	return;
24	}
25
26	$id_field = $this->db_fields['id'];
27
28	$has_children = ! empty( $children_elements[ $element->{$id_field} ] );
29
30	if ( isset( $args[0] ) && is_array( $args[0] ) ) {
31	$args[0]['has_children'] = $has_children;
32	}
33
34	$cb_args = array_merge( array( &$output, $element, $depth ), $args );
35
36	$id = $element->{$id_field}; // Moved up
37
38	$umitem_obect_class = apply_filters( 'quadmenu_item_object_class', '\\QuadLayers\\QuadMenu\\Frontend\\Walker\\QuadMenu_Item_Default', $element, $id, $this->auto_child );
39
40	if ( ! class_exists( $umitem_obect_class ) ) {
41	$umitem_obect_class = '\\QuadLayers\\QuadMenu\\Frontend\\Walker\\QuadMenu_Item_Default';
42	}
43
44	$umitem = new $umitem_obect_class( $output, $element, $depth, $cb_args[3], $id, $this, $has_children, $children_elements ); // The $args that get passed to start_el are $cb[3] -- i.e. the 4the element in the array merged above
45
46	$this->push_item( $umitem );
47
48	call_user_func_array( array( $this, 'start_el' ), $cb_args );
49
50	// descend only when the depth is right and there are childrens for this element
51	if ( ( $max_depth == 0 \|\| $max_depth > $depth + 1 ) && isset( $children_elements[ $id ] ) ) {
52
53	foreach ( $children_elements[ $id ] as $child ) {
54
55	if ( ! isset( $newlevel ) ) {
56	$newlevel = true;
57	// start the child delimiter
58	$cb_args = array_merge( array( &$output, $depth ), $args );
59	call_user_func_array( array( $this, 'start_lvl' ), $cb_args );
60	}
61	$this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
62	}
63
64	// Unset this item's children elements
65	unset( $children_elements[ $id ] ); // TODO!!!
66	}
67
68	if ( isset( $newlevel ) && $newlevel ) {
69	// end the child delimiter
70	$cb_args = array_merge( array( &$output, $depth ), $args );
71	call_user_func_array( array( $this, 'end_lvl' ), $cb_args );
72	}
73
74	$cb_args = array_merge( array( &$output, $element, $depth ), $args );
75
76	call_user_func_array( array( $this, 'end_el' ), $cb_args );
77	}
78
79	function start_lvl( &$output, $depth = 0, $args = array() ) {
80	// $indent = str_repeat("\t", $depth);
81	$this->current_umitem->start_lvl();
82	}
83
84	function end_lvl( &$output, $depth = 0, $args = array() ) {
85	// $indent = str_repeat("\t", $depth);
86	$this->current_umitem->end_lvl();
87	}
88
89	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
90
91	$this->current_umitem->start_el();
92	}
93
94	function end_el( &$output, $item, $depth = 0, $args = array() ) {
95	$this->current_umitem->end_el();
96	$this->pop_item();
97	}
98
99	function push_item( $umitem ) {
100	$this->item_stack[] = $umitem;
101	$this->current_umitem = $umitem;
102	}
103
104	function pop_item() {
105	$umitem = array_pop( $this->item_stack );
106	$this->current_umitem = $this->current_item();
107	}
108
109	function current_item() {
110	return end( $this->item_stack );
111	}
112
113	public static function fallback( $args ) {
114
115	global $_wp_registered_nav_menus;
116
117	if ( ! current_user_can( 'manage_options' ) ) {
118	return;
119	}
120
121	extract( $args );
122
123	ob_start();
124	?>
125	<li class="quadmenu-item quadmenu-item-object-custom quadmenu-item-level-0 quadmenu-item-type-default quadmenu-has-title quadmenu-has-icon quadmenu-has-link">
126	<a title="<?php printf( esc_html__( 'Add a menu to %1$s', 'quadmenu' ), $_wp_registered_nav_menus[ $theme_location ] ); ?>" href="<?php echo admin_url( 'nav-menus.php' ); ?>">
127	<span class="quadmenu-item-content">
128	<span class="quadmenu-text"><?php printf( esc_html__( 'Add a menu to %1$s', 'quadmenu' ), $_wp_registered_nav_menus[ $theme_location ] ); ?></span>
129	</span>
130	</a>
131	</li>
132	<li class="quadmenu-item quadmenu-item-object-custom quadmenu-item-level-0 quadmenu-item-type-default quadmenu-has-title quadmenu-has-icon quadmenu-has-link">
133	<a title="<?php esc_html_e( 'Documentation', 'quadmenu' ); ?>" href="<?php echo esc_url( 'https://quadmenu.com/documentation/?utm_source=quadmenu_plugin&utm_medium=admin_frontend&utm_campaign=documentation&utm_content=documentation_link' ); ?>">
134	<span class="quadmenu-item-content">
135	<span class="quadmenu-text"><?php esc_html_e( 'Documentation', 'quadmenu' ); ?></span>
136	</span>
137	</a>
138	</li>
139	<li class="quadmenu-item quadmenu-item-object-custom quadmenu-item-level-0 quadmenu-item-type-default quadmenu-has-title quadmenu-has-icon quadmenu-has-link">
140	<a title="<?php esc_html_e( 'Demo', 'quadmenu' ); ?>" href="<?php echo esc_url( 'https://quadmenu.com/?utm_source=quadmenu_plugin&utm_medium=admin_frontend&utm_campaign=demo&utm_content=demo_link' ); ?>">
141	<span class="quadmenu-item-content">
142	<span class="quadmenu-text"><?php esc_html_e( 'Demo', 'quadmenu' ); ?></span>
143	</span>
144	</a>
145	</li>
146	<?php
147	$menu = ob_get_clean();
148
149	$nav_menu = sprintf( $items_wrap, esc_attr( $menu_id ), esc_attr( $menu_class ), $menu );
150
151	return quadmenu_layout( $nav_menu, (object) $args );
152	}
153	}
154