quadmenu / includes / frontend / walker / QuadMenuWalker.class.php

QuadMenuWalker.class.php in QuadMenu – Mega Menu 2.0.4, at includes/frontend/walker/QuadMenuWalker.class.php

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