1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* WP Bootstrap Navwalker |
4
|
|
|
* |
5
|
|
|
* @package WP-Bootstrap-Navwalker |
6
|
|
|
*/ |
7
|
|
|
|
8
|
|
|
/* |
9
|
|
|
* Class Name: WP_Bootstrap_Navwalker |
10
|
|
|
* Plugin Name: WP Bootstrap Navwalker |
11
|
|
|
* Plugin URI: https://github.com/wp-bootstrap/wp-bootstrap-navwalker |
12
|
|
|
* Description: A custom WordPress nav walker class to implement the Bootstrap 4 navigation style in a custom theme using the WordPress built in menu manager. |
13
|
|
|
* Author: Edward McIntyre - @twittem, WP Bootstrap, William Patton - @pattonwebz |
14
|
|
|
* Version: 4.1.0 |
15
|
|
|
* Author URI: https://github.com/wp-bootstrap |
16
|
|
|
* GitHub Plugin URI: https://github.com/wp-bootstrap/wp-bootstrap-navwalker |
17
|
|
|
* GitHub Branch: master |
18
|
|
|
* License: GPL-3.0+ |
19
|
|
|
* License URI: http://www.gnu.org/licenses/gpl-3.0.txt |
20
|
|
|
*/ |
21
|
|
|
|
22
|
|
|
/* Check if Class Exists. */ |
23
|
|
|
if ( ! class_exists( 'WP_Bootstrap_Navwalker' ) ) { |
24
|
|
|
/** |
25
|
|
|
* WP_Bootstrap_Navwalker class. |
26
|
|
|
* |
27
|
|
|
* @extends Walker_Nav_Menu |
28
|
|
|
*/ |
29
|
|
|
class WP_Bootstrap_Navwalker extends Walker_Nav_Menu { |
|
|
|
|
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* Starts the list before the elements are added. |
33
|
|
|
* |
34
|
|
|
* @since WP 3.0.0 |
35
|
|
|
* |
36
|
|
|
* @see Walker_Nav_Menu::start_lvl() |
37
|
|
|
* |
38
|
|
|
* @param string $output Used to append additional content (passed by reference). |
39
|
|
|
* @param int $depth Depth of menu item. Used for padding. |
40
|
|
|
* @param stdClass $args An object of wp_nav_menu() arguments. |
41
|
|
|
*/ |
42
|
|
|
public function start_lvl( &$output, $depth = 0, $args = array() ) { |
43
|
|
View Code Duplication |
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { |
|
|
|
|
44
|
|
|
$t = ''; |
45
|
|
|
$n = ''; |
46
|
|
|
} else { |
47
|
|
|
$t = "\t"; |
48
|
|
|
$n = "\n"; |
49
|
|
|
} |
50
|
|
|
$indent = str_repeat( $t, $depth ); |
51
|
|
|
// Default class to add to the file. |
52
|
|
|
$classes = array( 'dropdown-menu' ); |
53
|
|
|
/** |
54
|
|
|
* Filters the CSS class(es) applied to a menu list element. |
55
|
|
|
* |
56
|
|
|
* @since WP 4.8.0 |
57
|
|
|
* |
58
|
|
|
* @param array $classes The CSS classes that are applied to the menu `<ul>` element. |
59
|
|
|
* @param stdClass $args An object of `wp_nav_menu()` arguments. |
60
|
|
|
* @param int $depth Depth of menu item. Used for padding. |
61
|
|
|
*/ |
62
|
|
|
$class_names = join( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) ); |
63
|
|
|
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; |
64
|
|
|
/** |
65
|
|
|
* The `.dropdown-menu` container needs to have a labelledby |
66
|
|
|
* attribute which points to it's trigger link. |
67
|
|
|
* |
68
|
|
|
* Form a string for the labelledby attribute from the the latest |
69
|
|
|
* link with an id that was added to the $output. |
70
|
|
|
*/ |
71
|
|
|
$labelledby = ''; |
72
|
|
|
// find all links with an id in the output. |
73
|
|
|
preg_match_all( '/(<a.*?id=\"|\')(.*?)\"|\'.*?>/im', $output, $matches ); |
74
|
|
|
// with pointer at end of array check if we got an ID match. |
75
|
|
|
if ( end( $matches[2] ) ) { |
76
|
|
|
// build a string to use as aria-labelledby. |
77
|
|
|
$labelledby = 'aria-labelledby="' . end( $matches[2] ) . '"'; |
78
|
|
|
} |
79
|
|
|
$output .= "{$n}{$indent}<ul$class_names $labelledby role=\"menu\">{$n}"; |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* Starts the element output. |
84
|
|
|
* |
85
|
|
|
* @since WP 3.0.0 |
86
|
|
|
* @since WP 4.4.0 The {@see 'nav_menu_item_args'} filter was added. |
87
|
|
|
* |
88
|
|
|
* @see Walker_Nav_Menu::start_el() |
89
|
|
|
* |
90
|
|
|
* @param string $output Used to append additional content (passed by reference). |
91
|
|
|
* @param WP_Post $item Menu item data object. |
92
|
|
|
* @param int $depth Depth of menu item. Used for padding. |
93
|
|
|
* @param stdClass $args An object of wp_nav_menu() arguments. |
94
|
|
|
* @param int $id Current item ID. |
95
|
|
|
*/ |
96
|
|
|
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { |
97
|
|
View Code Duplication |
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { |
|
|
|
|
98
|
|
|
$t = ''; |
99
|
|
|
$n = ''; |
|
|
|
|
100
|
|
|
} else { |
101
|
|
|
$t = "\t"; |
102
|
|
|
$n = "\n"; |
|
|
|
|
103
|
|
|
} |
104
|
|
|
$indent = ( $depth ) ? str_repeat( $t, $depth ) : ''; |
105
|
|
|
|
106
|
|
|
$classes = empty( $item->classes ) ? array() : (array) $item->classes; |
107
|
|
|
|
108
|
|
|
// Initialize some holder variables to store specially handled item |
109
|
|
|
// wrappers and icons. |
110
|
|
|
$linkmod_classes = array(); |
111
|
|
|
$icon_classes = array(); |
112
|
|
|
|
113
|
|
|
/** |
114
|
|
|
* Get an updated $classes array without linkmod or icon classes. |
115
|
|
|
* |
116
|
|
|
* NOTE: linkmod and icon class arrays are passed by reference and |
117
|
|
|
* are maybe modified before being used later in this function. |
118
|
|
|
*/ |
119
|
|
|
$classes = self::seporate_linkmods_and_icons_from_classes( $classes, $linkmod_classes, $icon_classes, $depth ); |
120
|
|
|
|
121
|
|
|
// Join any icon classes plucked from $classes into a string. |
122
|
|
|
$icon_class_string = join( ' ', $icon_classes ); |
123
|
|
|
|
124
|
|
|
/** |
125
|
|
|
* Filters the arguments for a single nav menu item. |
126
|
|
|
* |
127
|
|
|
* WP 4.4.0 |
128
|
|
|
* |
129
|
|
|
* @param stdClass $args An object of wp_nav_menu() arguments. |
130
|
|
|
* @param WP_Post $item Menu item data object. |
131
|
|
|
* @param int $depth Depth of menu item. Used for padding. |
132
|
|
|
*/ |
133
|
|
|
$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth ); |
134
|
|
|
|
135
|
|
|
// Add .dropdown or .active classes where they are needed. |
136
|
|
|
if ( isset( $args->has_children ) && $args->has_children ) { |
137
|
|
|
$classes[] = 'dropdown'; |
138
|
|
|
} |
139
|
|
|
if ( in_array( 'current-menu-item', $classes, true ) || in_array( 'current-menu-parent', $classes, true ) ) { |
140
|
|
|
$classes[] = 'active'; |
141
|
|
|
} |
142
|
|
|
|
143
|
|
|
// Add some additional default classes to the item. |
144
|
|
|
$classes[] = 'menu-item-' . $item->ID; |
145
|
|
|
$classes[] = 'nav-item'; |
146
|
|
|
|
147
|
|
|
// Allow filtering the classes. |
148
|
|
|
$classes = apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ); |
149
|
|
|
|
150
|
|
|
// Form a string of classes in format: class="class_names". |
151
|
|
|
$class_names = join( ' ', $classes ); |
152
|
|
|
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; |
153
|
|
|
|
154
|
|
|
/** |
155
|
|
|
* Filters the ID applied to a menu item's list item element. |
156
|
|
|
* |
157
|
|
|
* @since WP 3.0.1 |
158
|
|
|
* @since WP 4.1.0 The `$depth` parameter was added. |
159
|
|
|
* |
160
|
|
|
* @param string $menu_id The ID that is applied to the menu item's `<li>` element. |
161
|
|
|
* @param WP_Post $item The current menu item. |
162
|
|
|
* @param stdClass $args An object of wp_nav_menu() arguments. |
163
|
|
|
* @param int $depth Depth of menu item. Used for padding. |
164
|
|
|
*/ |
165
|
|
|
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth ); |
166
|
|
|
$id = $id ? ' id="' . esc_attr( $id ) . '"' : ''; |
167
|
|
|
|
168
|
|
|
$output .= $indent . '<li itemscope="itemscope" itemtype="https://www.schema.org/SiteNavigationElement"' . $id . $class_names . '>'; |
169
|
|
|
|
170
|
|
|
// initialize array for holding the $atts for the link item. |
171
|
|
|
$atts = array(); |
172
|
|
|
|
173
|
|
|
// Set title from item to the $atts array - if title is empty then |
174
|
|
|
// default to item title. |
175
|
|
|
if ( empty( $item->attr_title ) ) { |
176
|
|
|
$atts['title'] = ! empty( $item->title ) ? strip_tags( $item->title ) : ''; |
177
|
|
|
} else { |
178
|
|
|
$atts['title'] = $item->attr_title; |
179
|
|
|
} |
180
|
|
|
|
181
|
|
|
$atts['target'] = ! empty( $item->target ) ? $item->target : ''; |
182
|
|
|
$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : ''; |
183
|
|
|
// If item has_children add atts to <a>. |
184
|
|
|
if ( isset( $args->has_children ) && $args->has_children && 0 === $depth && $args->depth > 1 ) { |
185
|
|
|
$atts['href'] = '#'; |
186
|
|
|
$atts['data-toggle'] = 'dropdown'; |
187
|
|
|
$atts['aria-haspopup'] = 'true'; |
188
|
|
|
$atts['aria-expanded'] = 'false'; |
189
|
|
|
$atts['class'] = 'dropdown-toggle nav-link'; |
190
|
|
|
$atts['id'] = 'menu-item-dropdown-' . $item->ID; |
191
|
|
|
} else { |
192
|
|
|
$atts['href'] = ! empty( $item->url ) ? $item->url : '#'; |
193
|
|
|
// Items in dropdowns use .dropdown-item instead of .nav-link. |
194
|
|
|
if ( $depth > 0 ) { |
195
|
|
|
$atts['class'] = 'dropdown-item'; |
196
|
|
|
} else { |
197
|
|
|
$atts['class'] = 'nav-link'; |
198
|
|
|
} |
199
|
|
|
} |
200
|
|
|
|
201
|
|
|
// update atts of this item based on any custom linkmod classes. |
202
|
|
|
$atts = self::update_atts_for_linkmod_type( $atts, $linkmod_classes ); |
203
|
|
|
// Allow filtering of the $atts array before using it. |
204
|
|
|
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth ); |
205
|
|
|
|
206
|
|
|
// Build a string of html containing all the atts for the item. |
207
|
|
|
$attributes = ''; |
208
|
|
|
foreach ( $atts as $attr => $value ) { |
209
|
|
|
if ( ! empty( $value ) ) { |
210
|
|
|
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
211
|
|
|
$attributes .= ' ' . $attr . '="' . $value . '"'; |
212
|
|
|
} |
213
|
|
|
} |
214
|
|
|
|
215
|
|
|
/** |
216
|
|
|
* Set a typeflag to easily test if this is a linkmod or not. |
217
|
|
|
*/ |
218
|
|
|
$linkmod_type = self::get_linkmod_type( $linkmod_classes ); |
219
|
|
|
|
220
|
|
|
/** |
221
|
|
|
* START appending the internal item contents to the output. |
222
|
|
|
*/ |
223
|
|
|
$item_output = isset( $args->before ) ? $args->before : ''; |
224
|
|
|
/** |
225
|
|
|
* This is the start of the internal nav item. Depending on what |
226
|
|
|
* kind of linkmod we have we may need different wrapper elements. |
227
|
|
|
*/ |
228
|
|
|
if ( '' !== $linkmod_type ) { |
229
|
|
|
// is linkmod, output the required element opener. |
230
|
|
|
$item_output .= self::linkmod_element_open( $linkmod_type, $attributes ); |
231
|
|
|
} else { |
232
|
|
|
// With no link mod type set this must be a standard <a> tag. |
233
|
|
|
$item_output .= '<a' . $attributes . '>'; |
234
|
|
|
} |
235
|
|
|
|
236
|
|
|
/** |
237
|
|
|
* Initiate empty icon var, then if we have a string containing any |
238
|
|
|
* icon classes form the icon markup with an <i> element. This is |
239
|
|
|
* output inside of the item before the $title (the link text). |
240
|
|
|
*/ |
241
|
|
|
$icon_html = ''; |
242
|
|
|
if ( ! empty( $icon_class_string ) ) { |
243
|
|
|
// append an <i> with the icon classes to what is output before links. |
244
|
|
|
$icon_html = '<i class="' . esc_attr( $icon_class_string ) . '" aria-hidden="true"></i> '; |
245
|
|
|
} |
246
|
|
|
|
247
|
|
|
/** This filter is documented in wp-includes/post-template.php */ |
248
|
|
|
$title = apply_filters( 'the_title', $item->title, $item->ID ); |
249
|
|
|
|
250
|
|
|
/** |
251
|
|
|
* Filters a menu item's title. |
252
|
|
|
* |
253
|
|
|
* @since WP 4.4.0 |
254
|
|
|
* |
255
|
|
|
* @param string $title The menu item's title. |
256
|
|
|
* @param WP_Post $item The current menu item. |
257
|
|
|
* @param stdClass $args An object of wp_nav_menu() arguments. |
258
|
|
|
* @param int $depth Depth of menu item. Used for padding. |
259
|
|
|
*/ |
260
|
|
|
$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth ); |
261
|
|
|
|
262
|
|
|
/** |
263
|
|
|
* If the .sr-only class was set apply to the nav items text only. |
264
|
|
|
*/ |
265
|
|
|
if ( in_array( 'sr-only', $linkmod_classes, true ) ) { |
266
|
|
|
$title = self::wrap_for_screen_reader( $title ); |
267
|
|
|
$keys_to_unset = array_keys( $linkmod_classes, 'sr-only' ); |
268
|
|
|
foreach ( $keys_to_unset as $k ) { |
269
|
|
|
unset( $linkmod_classes[ $k ] ); |
270
|
|
|
} |
271
|
|
|
} |
272
|
|
|
|
273
|
|
|
// Put the item contents into $output. |
274
|
|
|
$item_output .= isset( $args->link_before ) ? $args->link_before . $icon_html . $title . $args->link_after : ''; |
275
|
|
|
/** |
276
|
|
|
* This is the end of the internal nav item. We need to close the |
277
|
|
|
* correct element depending on the type of link or link mod. |
278
|
|
|
*/ |
279
|
|
|
if ( '' !== $linkmod_type ) { |
280
|
|
|
// is linkmod, output the required element opener. |
281
|
|
|
$item_output .= self::linkmod_element_close( $linkmod_type, $attributes ); |
282
|
|
|
} else { |
283
|
|
|
// With no link mod type set this must be a standard <a> tag. |
284
|
|
|
$item_output .= '</a>'; |
285
|
|
|
} |
286
|
|
|
|
287
|
|
|
$item_output .= isset( $args->after ) ? $args->after : ''; |
288
|
|
|
|
289
|
|
|
/** |
290
|
|
|
* END appending the internal item contents to the output. |
291
|
|
|
*/ |
292
|
|
|
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); |
293
|
|
|
|
294
|
|
|
} |
295
|
|
|
|
296
|
|
|
/** |
297
|
|
|
* Traverse elements to create list from elements. |
298
|
|
|
* |
299
|
|
|
* Display one element if the element doesn't have any children otherwise, |
300
|
|
|
* display the element and its children. Will only traverse up to the max |
301
|
|
|
* depth and no ignore elements under that depth. It is possible to set the |
302
|
|
|
* max depth to include all depths, see walk() method. |
303
|
|
|
* |
304
|
|
|
* This method should not be called directly, use the walk() method instead. |
305
|
|
|
* |
306
|
|
|
* @since WP 2.5.0 |
307
|
|
|
* |
308
|
|
|
* @see Walker::start_lvl() |
309
|
|
|
* |
310
|
|
|
* @param object $element Data object. |
311
|
|
|
* @param array $children_elements List of elements to continue traversing (passed by reference). |
312
|
|
|
* @param int $max_depth Max depth to traverse. |
313
|
|
|
* @param int $depth Depth of current element. |
314
|
|
|
* @param array $args An array of arguments. |
315
|
|
|
* @param string $output Used to append additional content (passed by reference). |
316
|
|
|
*/ |
317
|
|
|
public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { |
318
|
|
|
if ( ! $element ) { |
319
|
|
|
return; } |
320
|
|
|
$id_field = $this->db_fields['id']; |
321
|
|
|
// Display this element. |
322
|
|
|
if ( is_object( $args[0] ) ) { |
323
|
|
|
$args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] ); } |
324
|
|
|
parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); |
325
|
|
|
} |
326
|
|
|
|
327
|
|
|
/** |
328
|
|
|
* Menu Fallback |
329
|
|
|
* ============= |
330
|
|
|
* If this function is assigned to the wp_nav_menu's fallback_cb variable |
331
|
|
|
* and a menu has not been assigned to the theme location in the WordPress |
332
|
|
|
* menu manager the function with display nothing to a non-logged in user, |
333
|
|
|
* and will add a link to the WordPress menu manager if logged in as an admin. |
334
|
|
|
* |
335
|
|
|
* @param array $args passed from the wp_nav_menu function. |
336
|
|
|
*/ |
337
|
|
|
public static function fallback( $args ) { |
338
|
|
|
if ( current_user_can( 'edit_theme_options' ) ) { |
339
|
|
|
|
340
|
|
|
/* Get Arguments. */ |
341
|
|
|
$container = $args['container']; |
342
|
|
|
$container_id = $args['container_id']; |
343
|
|
|
$container_class = $args['container_class']; |
344
|
|
|
$menu_class = $args['menu_class']; |
345
|
|
|
$menu_id = $args['menu_id']; |
346
|
|
|
|
347
|
|
|
// initialize var to store fallback html. |
348
|
|
|
$fallback_output = ''; |
349
|
|
|
|
350
|
|
|
if ( $container ) { |
351
|
|
|
$fallback_output .= '<' . esc_attr( $container ); |
352
|
|
|
if ( $container_id ) { |
353
|
|
|
$fallback_output .= ' id="' . esc_attr( $container_id ) . '"'; |
354
|
|
|
} |
355
|
|
|
if ( $container_class ) { |
356
|
|
|
$fallback_output .= ' class="' . esc_attr( $container_class ) . '"'; |
357
|
|
|
} |
358
|
|
|
$fallback_output .= '>'; |
359
|
|
|
} |
360
|
|
|
$fallback_output .= '<ul'; |
361
|
|
|
if ( $menu_id ) { |
362
|
|
|
$fallback_output .= ' id="' . esc_attr( $menu_id ) . '"'; } |
363
|
|
|
if ( $menu_class ) { |
364
|
|
|
$fallback_output .= ' class="' . esc_attr( $menu_class ) . '"'; } |
365
|
|
|
$fallback_output .= '>'; |
366
|
|
|
$fallback_output .= '<li><a href="' . esc_url( admin_url( 'nav-menus.php' ) ) . '" title="' . esc_attr__( 'Add a menu', 'wp-bootstrap-navwalker' ) . '">' . esc_html__( 'Add a menu', 'wp-bootstrap-navwalker' ) . '</a></li>'; |
367
|
|
|
$fallback_output .= '</ul>'; |
368
|
|
|
if ( $container ) { |
369
|
|
|
$fallback_output .= '</' . esc_attr( $container ) . '>'; |
370
|
|
|
} |
371
|
|
|
|
372
|
|
|
// if $args has 'echo' key and it's true echo, otherwise return. |
373
|
|
|
if ( array_key_exists( 'echo', $args ) && $args['echo'] ) { |
374
|
|
|
echo $fallback_output; // WPCS: XSS OK. |
375
|
|
|
} else { |
376
|
|
|
return $fallback_output; |
377
|
|
|
} |
378
|
|
|
} |
379
|
|
|
} |
380
|
|
|
|
381
|
|
|
/** |
382
|
|
|
* Find any custom linkmod or icon classes and store in their holder |
383
|
|
|
* arrays then remove them from the main classes array. |
384
|
|
|
* |
385
|
|
|
* Supported linkmods: .disabled, .dropdown-header, .dropdown-divider, .sr-only |
386
|
|
|
* Supported iconsets: Font Awesome 4/5, Glypicons |
387
|
|
|
* |
388
|
|
|
* NOTE: This accepts the linkmod and icon arrays by reference. |
389
|
|
|
* |
390
|
|
|
* @since 4.0.0 |
391
|
|
|
* |
392
|
|
|
* @param array $classes an array of classes currently assigned to the item. |
393
|
|
|
* @param array $linkmod_classes an array to hold linkmod classes. |
394
|
|
|
* @param array $icon_classes an array to hold icon classes. |
395
|
|
|
* @param integer $depth an integer holding current depth level. |
396
|
|
|
* |
397
|
|
|
* @return array $classes a maybe modified array of classnames. |
398
|
|
|
*/ |
399
|
|
|
private function seporate_linkmods_and_icons_from_classes( $classes, &$linkmod_classes, &$icon_classes, $depth ) { |
400
|
|
|
// Loop through $classes array to find linkmod or icon classes. |
401
|
|
|
foreach ( $classes as $key => $class ) { |
402
|
|
|
// If any special classes are found, store the class in it's |
403
|
|
|
// holder array and and unset the item from $classes. |
404
|
|
|
if ( preg_match( '/^disabled|^sr-only/i', $class ) ) { |
405
|
|
|
// Test for .disabled or .sr-only classes. |
406
|
|
|
$linkmod_classes[] = $class; |
407
|
|
|
unset( $classes[ $key ] ); |
408
|
|
|
} elseif ( preg_match( '/^dropdown-header|^dropdown-divider|^dropdown-item-text/i', $class ) && $depth > 0 ) { |
409
|
|
|
// Test for .dropdown-header or .dropdown-divider and a |
410
|
|
|
// depth greater than 0 - IE inside a dropdown. |
411
|
|
|
$linkmod_classes[] = $class; |
412
|
|
|
unset( $classes[ $key ] ); |
413
|
|
|
} elseif ( preg_match( '/^fa-(\S*)?|^fa(s|r|l|b)?(\s?)?$/i', $class ) ) { |
414
|
|
|
// Font Awesome. |
415
|
|
|
$icon_classes[] = $class; |
416
|
|
|
unset( $classes[ $key ] ); |
417
|
|
|
} elseif ( preg_match( '/^glyphicon-(\S*)?|^glyphicon(\s?)$/i', $class ) ) { |
418
|
|
|
// Glyphicons. |
419
|
|
|
$icon_classes[] = $class; |
420
|
|
|
unset( $classes[ $key ] ); |
421
|
|
|
} |
422
|
|
|
} |
423
|
|
|
|
424
|
|
|
return $classes; |
425
|
|
|
} |
426
|
|
|
|
427
|
|
|
/** |
428
|
|
|
* Return a string containing a linkmod type and update $atts array |
429
|
|
|
* accordingly depending on the decided. |
430
|
|
|
* |
431
|
|
|
* @since 4.0.0 |
432
|
|
|
* |
433
|
|
|
* @param array $linkmod_classes array of any link modifier classes. |
434
|
|
|
* |
435
|
|
|
* @return string empty for default, a linkmod type string otherwise. |
436
|
|
|
*/ |
437
|
|
|
private function get_linkmod_type( $linkmod_classes = array() ) { |
438
|
|
|
$linkmod_type = ''; |
439
|
|
|
// Loop through array of linkmod classes to handle their $atts. |
440
|
|
|
if ( ! empty( $linkmod_classes ) ) { |
441
|
|
|
foreach ( $linkmod_classes as $link_class ) { |
442
|
|
|
if ( ! empty( $link_class ) ) { |
443
|
|
|
|
444
|
|
|
// check for special class types and set a flag for them. |
445
|
|
|
if ( 'dropdown-header' === $link_class ) { |
446
|
|
|
$linkmod_type = 'dropdown-header'; |
447
|
|
|
} elseif ( 'dropdown-divider' === $link_class ) { |
448
|
|
|
$linkmod_type = 'dropdown-divider'; |
449
|
|
|
} elseif ( 'dropdown-item-text' === $link_class ) { |
450
|
|
|
$linkmod_type = 'dropdown-item-text'; |
451
|
|
|
} |
452
|
|
|
} |
453
|
|
|
} |
454
|
|
|
} |
455
|
|
|
return $linkmod_type; |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
/** |
459
|
|
|
* Update the attributes of a nav item depending on the limkmod classes. |
460
|
|
|
* |
461
|
|
|
* @since 4.0.0 |
462
|
|
|
* |
463
|
|
|
* @param array $atts array of atts for the current link in nav item. |
464
|
|
|
* @param array $linkmod_classes an array of classes that modify link or nav item behaviors or displays. |
465
|
|
|
* |
466
|
|
|
* @return array maybe updated array of attributes for item. |
467
|
|
|
*/ |
468
|
|
|
private function update_atts_for_linkmod_type( $atts = array(), $linkmod_classes = array() ) { |
469
|
|
|
if ( ! empty( $linkmod_classes ) ) { |
470
|
|
|
foreach ( $linkmod_classes as $link_class ) { |
471
|
|
|
if ( ! empty( $link_class ) ) { |
472
|
|
|
// update $atts with a space and the extra classname... |
473
|
|
|
// so long as it's not a sr-only class. |
474
|
|
|
if ( 'sr-only' !== $link_class ) { |
475
|
|
|
$atts['class'] .= ' ' . esc_attr( $link_class ); |
476
|
|
|
} |
477
|
|
|
// check for special class types we need additional handling for. |
478
|
|
|
if ( 'disabled' === $link_class ) { |
479
|
|
|
// Convert link to '#' and unset open targets. |
480
|
|
|
$atts['href'] = '#'; |
481
|
|
|
unset( $atts['target'] ); |
482
|
|
|
} elseif ( 'dropdown-header' === $link_class || 'dropdown-divider' === $link_class || 'dropdown-item-text' === $link_class ) { |
483
|
|
|
// Store a type flag and unset href and target. |
484
|
|
|
unset( $atts['href'] ); |
485
|
|
|
unset( $atts['target'] ); |
486
|
|
|
} |
487
|
|
|
} |
488
|
|
|
} |
489
|
|
|
} |
490
|
|
|
return $atts; |
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
/** |
494
|
|
|
* Wraps the passed text in a screen reader only class. |
495
|
|
|
* |
496
|
|
|
* @since 4.0.0 |
497
|
|
|
* |
498
|
|
|
* @param string $text the string of text to be wrapped in a screen reader class. |
499
|
|
|
* @return string the string wrapped in a span with the class. |
500
|
|
|
*/ |
501
|
|
|
private function wrap_for_screen_reader( $text = '' ) { |
502
|
|
|
if ( $text ) { |
503
|
|
|
$text = '<span class="sr-only">' . $text . '</span>'; |
504
|
|
|
} |
505
|
|
|
return $text; |
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
/** |
509
|
|
|
* Returns the correct opening element and attributes for a linkmod. |
510
|
|
|
* |
511
|
|
|
* @since 4.0.0 |
512
|
|
|
* |
513
|
|
|
* @param string $linkmod_type a sting containing a linkmod type flag. |
514
|
|
|
* @param string $attributes a string of attributes to add to the element. |
515
|
|
|
* |
516
|
|
|
* @return string a string with the openign tag for the element with attribibutes added. |
517
|
|
|
*/ |
518
|
|
|
private function linkmod_element_open( $linkmod_type, $attributes = '' ) { |
519
|
|
|
$output = ''; |
520
|
|
|
if ( 'dropdown-item-text' === $linkmod_type ) { |
521
|
|
|
$output .= '<span class="dropdown-item-text"' . $attributes . '>'; |
522
|
|
|
} elseif ( 'dropdown-header' === $linkmod_type ) { |
523
|
|
|
// For a header use a span with the .h6 class instead of a real |
524
|
|
|
// header tag so that it doesn't confuse screen readers. |
525
|
|
|
$output .= '<span class="dropdown-header h6"' . $attributes . '>'; |
526
|
|
|
} elseif ( 'dropdown-divider' === $linkmod_type ) { |
527
|
|
|
// this is a divider. |
528
|
|
|
$output .= '<div class="dropdown-divider"' . $attributes . '>'; |
529
|
|
|
} |
530
|
|
|
return $output; |
531
|
|
|
} |
532
|
|
|
|
533
|
|
|
/** |
534
|
|
|
* Return the correct closing tag for the linkmod element. |
535
|
|
|
* |
536
|
|
|
* @since 4.0.0 |
537
|
|
|
* |
538
|
|
|
* @param string $linkmod_type a string containing a special linkmod type. |
539
|
|
|
* |
540
|
|
|
* @return string a string with the closing tag for this linkmod type. |
541
|
|
|
*/ |
542
|
|
|
private function linkmod_element_close( $linkmod_type ) { |
543
|
|
|
$output = ''; |
544
|
|
|
if ( 'dropdown-header' === $linkmod_type || 'dropdown-item-text' === $linkmod_type ) { |
545
|
|
|
// For a header use a span with the .h6 class instead of a real |
546
|
|
|
// header tag so that it doesn't confuse screen readers. |
547
|
|
|
$output .= '</span>'; |
548
|
|
|
} elseif ( 'dropdown-divider' === $linkmod_type ) { |
549
|
|
|
// this is a divider. |
550
|
|
|
$output .= '</div>'; |
551
|
|
|
} |
552
|
|
|
return $output; |
553
|
|
|
} |
554
|
|
|
} |
555
|
|
|
} |
556
|
|
|
|
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.