responsive-menu / app / Walkers / Walker.php

Walker.php in Responsive Menu – Create Mobile-Friendly Menu 4.1.3, at app/Walkers/Walker.php

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1	<?php
2
3	namespace ResponsiveMenu\Walkers;
4	use ResponsiveMenu\Collections\OptionsCollection;
5
6	class Walker extends \Walker_Nav_Menu {
7
8	private $current_item;
9
10	public function __construct(OptionsCollection $options) {
11	$this->options = $options;
12	}
13
14	public function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0) {
15
16	$this->setCurrentItem($item);
17
18	$classes = empty($item->classes) ? array() : (array) $item->classes;
19	$responsive_menu_classes = $classes;
20
21	# Turn into our Responsive Menu Classes
22	foreach($classes as $class):
23	switch($class):
24	case 'menu-item': $responsive_menu_classes[] = 'responsive-menu-item'; break;
25	case 'current-menu-item': $responsive_menu_classes[] = 'responsive-menu-current-item'; break;
26	case 'menu-item-has-children': $responsive_menu_classes[] = 'responsive-menu-item-has-children'; break;
27	case 'current-menu-parent': $responsive_menu_classes[] = 'responsive-menu-item-current-parent'; break;
28	case 'current-menu-ancestor': $responsive_menu_classes[] = 'responsive-menu-item-current-ancestor'; break;
29	endswitch;
30	endforeach;
31
32	/* Clear child class if we are at the final depth level */
33	if(isset($responsive_menu_classes)):
34	if($depth + 1 == $this->options['menu_depth'] && ($key = array_search('responsive-menu-item-has-children', $responsive_menu_classes)) !== false) {
35	unset($responsive_menu_classes[$key]);
36	}
37	endif;
38
39	$class_names = join(' ', array_unique($responsive_menu_classes));
40	$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
41
42	$id = ' id="responsive-menu-item-' . esc_attr( $item->ID ) . '"';
43
44	$output .= '<li' . $id . $class_names .' role="none">';
45
46	$atts = array();
47	$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';
48	$atts['target'] = ! empty( $item->target ) ? $item->target : '';
49	$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';
50	$atts['href'] = ! empty( $item->url ) ? $item->url : '';
51	$atts['class'] = 'responsive-menu-item-link';
52	$atts['tabindex'] = 1;
53	$atts['role']= "menuitem";
54	$atts = apply_filters('nav_menu_link_attributes', $atts, $item, $args, $depth);
55
56	$attributes = '';
57	foreach ($atts as $attr => $value) {
58	if (!empty( $value)) {
59	$value = ('href' === $attr ) ? esc_url( $value) : esc_attr($value);
60	$attributes .= ' ' . $attr . '="' . $value . '"';
61	}
62	}
63
64	$title = apply_filters('the_title', $item->title, $item->ID);
65	$title = apply_filters('nav_menu_item_title', $title, $item, $args, $depth);
66
67	/* Calculate which arrow to show */
68	if(in_array('responsive-menu-item-has-children', $responsive_menu_classes)):
69	$inactive_arrow = '<div class="responsive-menu-subarrow">' . $this->options->getInActiveArrow() . '</div>';
70	$active_arrow = '<div class="responsive-menu-subarrow responsive-menu-subarrow-active">' . $this->options->getActiveArrow() . '</div>';
71	if($this->options['auto_expand_all_submenus'] == 'on'):
72	$initial_arrow = $active_arrow;
73	elseif(
74	$this->options['auto_expand_current_submenus'] == 'on' && (in_array('responsive-menu-item-current-parent', $responsive_menu_classes)
75	\|\| in_array('responsive-menu-item-current-ancestor', $responsive_menu_classes))):
76	$initial_arrow = $active_arrow;
77	else:
78	$initial_arrow = $inactive_arrow;
79	endif;
80	else:
81	$initial_arrow = '';
82	endif;
83
84	/* Clear Arrow if we are at the final depth level */
85	if($depth + 1 == $this->options['menu_depth'])
86	$initial_arrow = '';
87
88	$item_output = '<a'. $attributes .'>';
89	$item_output .= $title;
90	$item_output .= $initial_arrow;
91
92	if(isset($item->description) && $item->description && $this->options['submenu_descriptions_on'])
93	$item_output .= '<span class="responsive-menu-item-description">' . $item->description . '</span>';
94
95	$item_output .= '</a>';
96
97	// Theme support for twenty twenty one.
98	if ( function_exists( 'twenty_twenty_one_add_sub_menu_toggle' ) ) {
99	remove_filter( 'walker_nav_menu_start_el', 'twenty_twenty_one_add_sub_menu_toggle', 10 );
100	remove_filter( 'walker_nav_menu_start_el', 'twenty_twenty_one_nav_menu_social_icons', 10 );
101	}
102
103	$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
104
105	}
106
107	public function start_lvl(&$output, $depth = 0, $args = array()) {
108	$output .= "<ul aria-label='". esc_attr( $this->current_item->title) ."' role='menu' class='responsive-menu-submenu responsive-menu-submenu-depth-" . ($depth + 1) . $this->getSubmenuClassOpenOrNot() . "'>";
109	}
110
111	public function end_el(&$output, $item, $depth = 0, $args = array()) {
112	$output .= "</li>";
113	}
114
115	public function end_lvl(&$output, $depth = 0, $args = array()) {
116	$output .= "</ul>";
117	}
118
119	public function setCurrentItem($item) {
120	$this->current_item = $item;
121	}
122
123	public function getCurrentItem() {
124	return $this->current_item;
125	}
126
127	public function getSubmenuClassOpenOrNot() {
128	return $this->expandAllSubmenuOptionsIsOn() \|\| $this->expandCurrentSubmenuOnAndItemIsParent() ? ' responsive-menu-submenu-open' : '';
129	}
130
131	public function expandAllSubmenuOptionsIsOn() {
132	return $this->options['auto_expand_all_submenus'] == 'on';
133	}
134
135	public function expandCurrentSubmenuOnAndItemIsParent() {
136	return ($this->options['auto_expand_current_submenus'] == 'on')
137	&& ($this->getCurrentItem()->current_item_ancestor \|\| $this->getCurrentItem()->current_item_parent);
138	}
139
140	}
141