form-nav-menu.php
| 1 | <?php |
| 2 | |
| 3 | if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
| 4 | |
| 5 | if( ! class_exists('acf_form_nav_menu') ) : |
| 6 | |
| 7 | class acf_form_nav_menu { |
| 8 | |
| 9 | /* |
| 10 | * __construct |
| 11 | * |
| 12 | * This function will setup the class functionality |
| 13 | * |
| 14 | * @type function |
| 15 | * @date 5/03/2014 |
| 16 | * @since 5.0.0 |
| 17 | * |
| 18 | * @param n/a |
| 19 | * @return n/a |
| 20 | */ |
| 21 | |
| 22 | function __construct() { |
| 23 | |
| 24 | // actions |
| 25 | add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_scripts')); |
| 26 | add_action('wp_update_nav_menu', array($this, 'update_nav_menu')); |
| 27 | add_action('acf/validate_save_post', array($this, 'acf_validate_save_post'), 5); |
| 28 | add_action('wp_nav_menu_item_custom_fields', array($this, 'wp_nav_menu_item_custom_fields'), 10, 5); |
| 29 | |
| 30 | // filters |
| 31 | add_filter('wp_get_nav_menu_items', array($this, 'wp_get_nav_menu_items'), 10, 3); |
| 32 | add_filter('wp_edit_nav_menu_walker', array($this, 'wp_edit_nav_menu_walker'), 10, 2); |
| 33 | |
| 34 | } |
| 35 | |
| 36 | |
| 37 | /* |
| 38 | * admin_enqueue_scripts |
| 39 | * |
| 40 | * This action is run after post query but before any admin script / head actions. |
| 41 | * It is a good place to register all actions. |
| 42 | * |
| 43 | * @type action (admin_enqueue_scripts) |
| 44 | * @date 26/01/13 |
| 45 | * @since 3.6.0 |
| 46 | * |
| 47 | * @param N/A |
| 48 | * @return N/A |
| 49 | */ |
| 50 | |
| 51 | function admin_enqueue_scripts() { |
| 52 | |
| 53 | // validate screen |
| 54 | if( !acf_is_screen('nav-menus') ) return; |
| 55 | |
| 56 | |
| 57 | // load acf scripts |
| 58 | acf_enqueue_scripts(); |
| 59 | |
| 60 | |
| 61 | // actions |
| 62 | add_action('admin_footer', array($this, 'admin_footer'), 1); |
| 63 | |
| 64 | } |
| 65 | |
| 66 | |
| 67 | /** |
| 68 | * wp_nav_menu_item_custom_fields |
| 69 | * |
| 70 | * description |
| 71 | * |
| 72 | * @date 30/7/18 |
| 73 | * @since 5.6.9 |
| 74 | * |
| 75 | * @param type $var Description. Default. |
| 76 | * @return type Description. |
| 77 | */ |
| 78 | |
| 79 | function wp_nav_menu_item_custom_fields( $item_id, $item, $depth, $args, $id = '' ) { |
| 80 | |
| 81 | // vars |
| 82 | $prefix = "menu-item-acf[$item_id]"; |
| 83 | |
| 84 | // get field groups |
| 85 | $field_groups = acf_get_field_groups(array( |
| 86 | 'nav_menu_item' => $item->type, |
| 87 | 'nav_menu_item_id' => $item_id, |
| 88 | 'nav_menu_item_depth' => $depth |
| 89 | )); |
| 90 | |
| 91 | // render |
| 92 | if( !empty($field_groups) ) { |
| 93 | |
| 94 | // open |
| 95 | echo '<div class="acf-menu-item-fields acf-fields -clear">'; |
| 96 | |
| 97 | // loop |
| 98 | foreach( $field_groups as $field_group ) { |
| 99 | |
| 100 | // load fields |
| 101 | $fields = acf_get_fields( $field_group ); |
| 102 | |
| 103 | // bail if not fields |
| 104 | if( empty($fields) ) continue; |
| 105 | |
| 106 | // change prefix |
| 107 | acf_prefix_fields( $fields, $prefix ); |
| 108 | |
| 109 | // render |
| 110 | acf_render_fields( $fields, $item_id, 'div', $field_group['instruction_placement'] ); |
| 111 | } |
| 112 | |
| 113 | // close |
| 114 | echo '</div>'; |
| 115 | |
| 116 | // Trigger append for newly created menu item (via AJAX) |
| 117 | if( acf_is_ajax('add-menu-item') ): ?> |
| 118 | <script type="text/javascript"> |
| 119 | (function($) { |
| 120 | acf.doAction('append', $('#menu-item-settings-<?php echo $item_id; ?>') ); |
| 121 | })(jQuery); |
| 122 | </script> |
| 123 | <?php endif; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | |
| 128 | /* |
| 129 | * update_nav_menu |
| 130 | * |
| 131 | * description |
| 132 | * |
| 133 | * @type function |
| 134 | * @date 26/5/17 |
| 135 | * @since 5.6.0 |
| 136 | * |
| 137 | * @param $post_id (int) |
| 138 | * @return $post_id (int) |
| 139 | */ |
| 140 | |
| 141 | function update_nav_menu( $menu_id ) { |
| 142 | |
| 143 | // vars |
| 144 | $post_id = acf_get_term_post_id( 'nav_menu', $menu_id ); |
| 145 | |
| 146 | |
| 147 | // verify and remove nonce |
| 148 | if( !acf_verify_nonce('nav_menu') ) return $menu_id; |
| 149 | |
| 150 | |
| 151 | // validate and show errors |
| 152 | acf_validate_save_post( true ); |
| 153 | |
| 154 | |
| 155 | // save |
| 156 | acf_save_post( $post_id ); |
| 157 | |
| 158 | |
| 159 | // save nav menu items |
| 160 | $this->update_nav_menu_items( $menu_id ); |
| 161 | |
| 162 | } |
| 163 | |
| 164 | |
| 165 | /* |
| 166 | * update_nav_menu_items |
| 167 | * |
| 168 | * description |
| 169 | * |
| 170 | * @type function |
| 171 | * @date 26/5/17 |
| 172 | * @since 5.6.0 |
| 173 | * |
| 174 | * @param $post_id (int) |
| 175 | * @return $post_id (int) |
| 176 | */ |
| 177 | |
| 178 | function update_nav_menu_items( $menu_id ) { |
| 179 | |
| 180 | // bail ealry if not set |
| 181 | if( empty($_POST['menu-item-acf']) ) return; |
| 182 | |
| 183 | |
| 184 | // loop |
| 185 | foreach( $_POST['menu-item-acf'] as $post_id => $values ) { |
| 186 | |
| 187 | acf_save_post( $post_id, $values ); |
| 188 | |
| 189 | } |
| 190 | |
| 191 | } |
| 192 | |
| 193 | |
| 194 | /** |
| 195 | * wp_get_nav_menu_items |
| 196 | * |
| 197 | * WordPress does not provide an easy way to find the current menu being edited. |
| 198 | * This function listens to when a menu's items are loaded and stores the menu. |
| 199 | * Needed on nav-menus.php page for new menu with no items |
| 200 | * |
| 201 | * @date 23/2/18 |
| 202 | * @since 5.6.9 |
| 203 | * |
| 204 | * @param type $var Description. Default. |
| 205 | * @return type Description. |
| 206 | */ |
| 207 | |
| 208 | function wp_get_nav_menu_items( $items, $menu, $args ) { |
| 209 | acf_set_data('nav_menu_id', $menu->term_id); |
| 210 | return $items; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Called when WP renders a menu edit form. |
| 215 | * Used to set global data and customize the Walker class. |
| 216 | * |
| 217 | * @date 26/5/17 |
| 218 | * @since 5.6.0 |
| 219 | * |
| 220 | * @param string $class The walker class to use. Default 'Walker_Nav_Menu_Edit'. |
| 221 | * @param int $menu_id ID of the menu being rendered. |
| 222 | * @return string |
| 223 | */ |
| 224 | function wp_edit_nav_menu_walker( $class, $menu_id = 0 ) { |
| 225 | |
| 226 | // update data (needed for ajax location rules to work) |
| 227 | acf_set_data('nav_menu_id', $menu_id); |
| 228 | |
| 229 | // Use custom walker class to inject "wp_nav_menu_item_custom_fields" action prioir to WP 5.4. |
| 230 | if( acf_version_compare('wp', '<', '5.3.99') ) { |
| 231 | acf_include('includes/walkers/class-acf-walker-nav-menu-edit.php'); |
| 232 | return 'ACF_Walker_Nav_Menu_Edit'; |
| 233 | } |
| 234 | |
| 235 | // Return class. |
| 236 | return $class; |
| 237 | } |
| 238 | |
| 239 | |
| 240 | /* |
| 241 | * acf_validate_save_post |
| 242 | * |
| 243 | * This function will loop over $_POST data and validate |
| 244 | * |
| 245 | * @type action 'acf/validate_save_post' 5 |
| 246 | * @date 7/09/2016 |
| 247 | * @since 5.4.0 |
| 248 | * |
| 249 | * @param n/a |
| 250 | * @return n/a |
| 251 | */ |
| 252 | |
| 253 | function acf_validate_save_post() { |
| 254 | |
| 255 | // bail ealry if not set |
| 256 | if( empty($_POST['menu-item-acf']) ) return; |
| 257 | |
| 258 | |
| 259 | // loop |
| 260 | foreach( $_POST['menu-item-acf'] as $post_id => $values ) { |
| 261 | |
| 262 | // vars |
| 263 | $prefix = 'menu-item-acf['.$post_id.']'; |
| 264 | |
| 265 | |
| 266 | // validate |
| 267 | acf_validate_values( $values, $prefix ); |
| 268 | |
| 269 | } |
| 270 | |
| 271 | } |
| 272 | |
| 273 | |
| 274 | /* |
| 275 | * admin_footer |
| 276 | * |
| 277 | * This function will add some custom HTML to the footer of the edit page |
| 278 | * |
| 279 | * @type function |
| 280 | * @date 11/06/2014 |
| 281 | * @since 5.0.0 |
| 282 | * |
| 283 | * @param n/a |
| 284 | * @return n/a |
| 285 | */ |
| 286 | |
| 287 | function admin_footer() { |
| 288 | |
| 289 | // vars |
| 290 | $nav_menu_id = acf_get_data('nav_menu_id'); |
| 291 | $post_id = acf_get_term_post_id( 'nav_menu', $nav_menu_id ); |
| 292 | |
| 293 | |
| 294 | // get field groups |
| 295 | $field_groups = acf_get_field_groups(array( |
| 296 | 'nav_menu' => $nav_menu_id |
| 297 | )); |
| 298 | |
| 299 | ?> |
| 300 | <div id="tmpl-acf-menu-settings" style="display: none;"> |
| 301 | <?php |
| 302 | |
| 303 | // data (always needed to save nav menu items) |
| 304 | acf_form_data(array( |
| 305 | 'screen' => 'nav_menu', |
| 306 | 'post_id' => $post_id, |
| 307 | 'ajax' => 1 |
| 308 | )); |
| 309 | |
| 310 | |
| 311 | // render |
| 312 | if( !empty($field_groups) ) { |
| 313 | |
| 314 | // loop |
| 315 | foreach( $field_groups as $field_group ) { |
| 316 | |
| 317 | $fields = acf_get_fields( $field_group ); |
| 318 | |
| 319 | echo '<div class="acf-menu-settings -'.$field_group['style'].'">'; |
| 320 | |
| 321 | echo '<h2>' . $field_group['title'] . '</h2>'; |
| 322 | |
| 323 | echo '<div class="acf-fields -left -clear">'; |
| 324 | |
| 325 | acf_render_fields( $fields, $post_id, 'div', $field_group['instruction_placement'] ); |
| 326 | |
| 327 | echo '</div>'; |
| 328 | |
| 329 | echo '</div>'; |
| 330 | |
| 331 | } |
| 332 | |
| 333 | } |
| 334 | |
| 335 | ?> |
| 336 | </div> |
| 337 | <script type="text/javascript"> |
| 338 | (function($) { |
| 339 | |
| 340 | // append html |
| 341 | $('#post-body-content').append( $('#tmpl-acf-menu-settings').html() ); |
| 342 | |
| 343 | |
| 344 | // avoid WP over-writing $_POST data |
| 345 | // - https://core.trac.wordpress.org/ticket/41502#ticket |
| 346 | $(document).on('submit', '#update-nav-menu', function() { |
| 347 | |
| 348 | // vars |
| 349 | var $form = $(this); |
| 350 | var $input = $('input[name="nav-menu-data"]'); |
| 351 | |
| 352 | |
| 353 | // decode json |
| 354 | var json = $form.serializeArray(); |
| 355 | var json2 = []; |
| 356 | |
| 357 | |
| 358 | // loop |
| 359 | $.each( json, function( i, pair ) { |
| 360 | |
| 361 | // avoid nesting (unlike WP) |
| 362 | if( pair.name === 'nav-menu-data' ) return; |
| 363 | |
| 364 | |
| 365 | // bail early if is 'acf[' input |
| 366 | if( pair.name.indexOf('acf[') > -1 ) return; |
| 367 | |
| 368 | |
| 369 | // append |
| 370 | json2.push( pair ); |
| 371 | |
| 372 | }); |
| 373 | |
| 374 | |
| 375 | // update |
| 376 | $input.val( JSON.stringify(json2) ); |
| 377 | |
| 378 | }); |
| 379 | |
| 380 | |
| 381 | })(jQuery); |
| 382 | </script> |
| 383 | <?php |
| 384 | |
| 385 | } |
| 386 | |
| 387 | } |
| 388 | |
| 389 | acf_new_instance('acf_form_nav_menu'); |
| 390 | |
| 391 | endif; |
| 392 | |
| 393 | ?> |