relationship.php
| 1 | <?php |
| 2 | |
| 3 | class acf_field_relationship extends acf_field |
| 4 | { |
| 5 | // vars |
| 6 | var $defaults; |
| 7 | |
| 8 | |
| 9 | /* |
| 10 | * __construct |
| 11 | * |
| 12 | * Set name / label needed for actions / filters |
| 13 | * |
| 14 | * @since 3.6 |
| 15 | * @date 23/01/13 |
| 16 | */ |
| 17 | |
| 18 | function __construct() |
| 19 | { |
| 20 | // vars |
| 21 | $this->name = 'relationship'; |
| 22 | $this->label = __("Relationship",'acf'); |
| 23 | $this->category = __("Relational",'acf'); |
| 24 | $this->defaults = array( |
| 25 | 'post_type' => array('all'), |
| 26 | 'max' => '', |
| 27 | 'taxonomy' => array('all'), |
| 28 | 'filters' => array('search'), |
| 29 | 'result_elements' => array('post_title', 'post_type') |
| 30 | ); |
| 31 | |
| 32 | |
| 33 | // do not delete! |
| 34 | parent::__construct(); |
| 35 | |
| 36 | |
| 37 | // extra |
| 38 | add_action('wp_ajax_acf/fields/relationship/query_posts', array($this, 'query_posts')); |
| 39 | add_action('wp_ajax_nopriv_acf/fields/relationship/query_posts', array($this, 'query_posts')); |
| 40 | } |
| 41 | |
| 42 | |
| 43 | /* |
| 44 | * load_field() |
| 45 | * |
| 46 | * This filter is appied to the $field after it is loaded from the database |
| 47 | * |
| 48 | * @type filter |
| 49 | * @since 3.6 |
| 50 | * @date 23/01/13 |
| 51 | * |
| 52 | * @param $field - the field array holding all the field options |
| 53 | * |
| 54 | * @return $field - the field array holding all the field options |
| 55 | */ |
| 56 | |
| 57 | function load_field( $field ) |
| 58 | { |
| 59 | // defaults |
| 60 | $field = array_merge($this->defaults, $field); |
| 61 | |
| 62 | |
| 63 | // validate post_type |
| 64 | if( !$field['post_type'] || !is_array($field['post_type']) || in_array('', $field['post_type']) ) |
| 65 | { |
| 66 | $field['post_type'] = array( 'all' ); |
| 67 | } |
| 68 | |
| 69 | |
| 70 | // validate taxonomy |
| 71 | if( !$field['taxonomy'] || !is_array($field['taxonomy']) || in_array('', $field['taxonomy']) ) |
| 72 | { |
| 73 | $field['taxonomy'] = array( 'all' ); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | // validate result_elements |
| 78 | if( !is_array( $field['result_elements'] ) ) |
| 79 | { |
| 80 | $field['result_elements'] = array(); |
| 81 | } |
| 82 | |
| 83 | if( !in_array('post_title', $field['result_elements']) ) |
| 84 | { |
| 85 | $field['result_elements'][] = 'post_title'; |
| 86 | } |
| 87 | |
| 88 | |
| 89 | // filters |
| 90 | if( !is_array( $field['filters'] ) ) |
| 91 | { |
| 92 | $field['filters'] = array(); |
| 93 | } |
| 94 | |
| 95 | |
| 96 | // return |
| 97 | return $field; |
| 98 | } |
| 99 | |
| 100 | |
| 101 | /* |
| 102 | * posts_where |
| 103 | * |
| 104 | * @description: |
| 105 | * @created: 3/09/12 |
| 106 | */ |
| 107 | |
| 108 | function posts_where( $where, &$wp_query ) |
| 109 | { |
| 110 | global $wpdb; |
| 111 | |
| 112 | if ( $title = $wp_query->get('like_title') ) |
| 113 | { |
| 114 | $where .= " AND " . $wpdb->posts . ".post_title LIKE '%" . esc_sql( like_escape( $title ) ) . "%'"; |
| 115 | } |
| 116 | |
| 117 | return $where; |
| 118 | } |
| 119 | |
| 120 | |
| 121 | /* |
| 122 | * query_posts |
| 123 | * |
| 124 | * @description: |
| 125 | * @since: 3.6 |
| 126 | * @created: 27/01/13 |
| 127 | */ |
| 128 | |
| 129 | function query_posts() |
| 130 | { |
| 131 | // vars |
| 132 | $options = array( |
| 133 | 'post_type' => 'all', |
| 134 | 'taxonomy' => 'all', |
| 135 | 'posts_per_page' => 10, |
| 136 | 'paged' => 0, |
| 137 | 'orderby' => 'title', |
| 138 | 'order' => 'ASC', |
| 139 | 'post_status' => array('publish', 'private', 'draft', 'inherit', 'future'), |
| 140 | 'suppress_filters' => false, |
| 141 | 's' => '', |
| 142 | 'lang' => false, |
| 143 | 'update_post_meta_cache' => false, |
| 144 | 'field_key' => '', |
| 145 | 'nonce' => '', |
| 146 | 'ancestor' => false, |
| 147 | ); |
| 148 | |
| 149 | $options = array_merge( $options, $_POST ); |
| 150 | |
| 151 | |
| 152 | // validate |
| 153 | if( !wp_verify_nonce($options['nonce'], 'acf_nonce') ) |
| 154 | { |
| 155 | die(0); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | // WPML |
| 160 | if( $options['lang'] ) |
| 161 | { |
| 162 | global $sitepress; |
| 163 | |
| 164 | $sitepress->switch_lang( $options['lang'] ); |
| 165 | } |
| 166 | |
| 167 | |
| 168 | // convert types |
| 169 | $options['post_type'] = explode(',', $options['post_type']); |
| 170 | $options['taxonomy'] = explode(',', $options['taxonomy']); |
| 171 | |
| 172 | |
| 173 | // load all post types by default |
| 174 | if( in_array('all', $options['post_type']) ) |
| 175 | { |
| 176 | $options['post_type'] = apply_filters('acf/get_post_types', array()); |
| 177 | } |
| 178 | |
| 179 | |
| 180 | // attachment doesn't work if it is the only item in an array??? |
| 181 | if( is_array($options['post_type']) && count($options['post_type']) == 1 ) |
| 182 | { |
| 183 | $options['post_type'] = $options['post_type'][0]; |
| 184 | } |
| 185 | |
| 186 | |
| 187 | // create tax queries |
| 188 | if( ! in_array('all', $options['taxonomy']) ) |
| 189 | { |
| 190 | // vars |
| 191 | $taxonomies = array(); |
| 192 | $options['tax_query'] = array(); |
| 193 | |
| 194 | foreach( $options['taxonomy'] as $v ) |
| 195 | { |
| 196 | |
| 197 | // find term (find taxonomy!) |
| 198 | // $term = array( 0 => $taxonomy, 1 => $term_id ) |
| 199 | $term = explode(':', $v); |
| 200 | |
| 201 | |
| 202 | // validate |
| 203 | if( !is_array($term) || !isset($term[1]) ) |
| 204 | { |
| 205 | continue; |
| 206 | } |
| 207 | |
| 208 | |
| 209 | // add to tax array |
| 210 | $taxonomies[ $term[0] ][] = $term[1]; |
| 211 | |
| 212 | } |
| 213 | |
| 214 | |
| 215 | // now create the tax queries |
| 216 | foreach( $taxonomies as $k => $v ) |
| 217 | { |
| 218 | $options['tax_query'][] = array( |
| 219 | 'taxonomy' => $k, |
| 220 | 'field' => 'id', |
| 221 | 'terms' => $v, |
| 222 | ); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | unset( $options['taxonomy'] ); |
| 227 | |
| 228 | |
| 229 | // search |
| 230 | if( $options['s'] ) |
| 231 | { |
| 232 | $options['like_title'] = $options['s']; |
| 233 | |
| 234 | add_filter( 'posts_where', array($this, 'posts_where'), 10, 2 ); |
| 235 | } |
| 236 | |
| 237 | unset( $options['s'] ); |
| 238 | |
| 239 | |
| 240 | // load field |
| 241 | $field = array(); |
| 242 | if( $options['ancestor'] ) |
| 243 | { |
| 244 | $ancestor = apply_filters('acf/load_field', array(), $options['ancestor'] ); |
| 245 | $field = acf_get_child_field_from_parent_field( $options['field_key'], $ancestor ); |
| 246 | } |
| 247 | else |
| 248 | { |
| 249 | $field = apply_filters('acf/load_field', array(), $options['field_key'] ); |
| 250 | } |
| 251 | |
| 252 | |
| 253 | // get the post from which this field is rendered on |
| 254 | $the_post = get_post( $options['post_id'] ); |
| 255 | |
| 256 | |
| 257 | // filters |
| 258 | $options = apply_filters('acf/fields/relationship/query', $options, $field, $the_post); |
| 259 | $options = apply_filters('acf/fields/relationship/query/name=' . $field['name'], $options, $field, $the_post ); |
| 260 | $options = apply_filters('acf/fields/relationship/query/key=' . $field['key'], $options, $field, $the_post ); |
| 261 | |
| 262 | |
| 263 | $results = ''; |
| 264 | |
| 265 | |
| 266 | // load the posts |
| 267 | $posts = get_posts( $options ); |
| 268 | |
| 269 | if( $posts ) |
| 270 | { |
| 271 | foreach( $posts as $p ) |
| 272 | { |
| 273 | // right aligned info |
| 274 | $title = '<span class="relationship-item-info">'; |
| 275 | |
| 276 | if( in_array('post_type', $field['result_elements']) ) |
| 277 | { |
| 278 | $title .= $p->post_type; |
| 279 | } |
| 280 | |
| 281 | // WPML |
| 282 | if( $options['lang'] ) |
| 283 | { |
| 284 | $title .= ' (' . $options['lang'] . ')'; |
| 285 | } |
| 286 | |
| 287 | $title .= '</span>'; |
| 288 | |
| 289 | |
| 290 | // featured_image |
| 291 | if( in_array('featured_image', $field['result_elements']) ) |
| 292 | { |
| 293 | $image = get_the_post_thumbnail( $p->ID, array(21, 21) ); |
| 294 | |
| 295 | $title .= '<div class="result-thumbnail">' . $image . '</div>'; |
| 296 | } |
| 297 | |
| 298 | |
| 299 | // find title. Could use get_the_title, but that uses get_post(), so I think this uses less Memory |
| 300 | $title .= apply_filters( 'the_title', $p->post_title, $p->ID ); |
| 301 | |
| 302 | // status |
| 303 | if($p->post_status != "publish") |
| 304 | { |
| 305 | $title .= " ($p->post_status)"; |
| 306 | } |
| 307 | |
| 308 | // filters |
| 309 | $title = apply_filters('acf/fields/relationship/result', $title, $p, $field, $the_post); |
| 310 | $title = apply_filters('acf/fields/relationship/result/name=' . $field['name'] , $title, $p, $field, $the_post); |
| 311 | $title = apply_filters('acf/fields/relationship/result/key=' . $field['key'], $title, $p, $field, $the_post); |
| 312 | |
| 313 | |
| 314 | $results .= '<li><a href="' . get_permalink($p->ID) . '" data-post_id="' . $p->ID . '">' . $title . '<span class="acf-button-add"></span></a></li>'; |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | |
| 319 | echo $results; |
| 320 | die(); |
| 321 | |
| 322 | } |
| 323 | |
| 324 | |
| 325 | /* |
| 326 | * create_field() |
| 327 | * |
| 328 | * Create the HTML interface for your field |
| 329 | * |
| 330 | * @param $field - an array holding all the field's data |
| 331 | * |
| 332 | * @type action |
| 333 | * @since 3.6 |
| 334 | * @date 23/01/13 |
| 335 | */ |
| 336 | |
| 337 | function create_field( $field ) |
| 338 | { |
| 339 | // global |
| 340 | global $post; |
| 341 | |
| 342 | |
| 343 | // no row limit? |
| 344 | if( !$field['max'] || $field['max'] < 1 ) |
| 345 | { |
| 346 | $field['max'] = 9999; |
| 347 | } |
| 348 | |
| 349 | |
| 350 | // class |
| 351 | $class = ''; |
| 352 | if( $field['filters'] ) |
| 353 | { |
| 354 | foreach( $field['filters'] as $filter ) |
| 355 | { |
| 356 | $class .= ' has-' . $filter; |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | $attributes = array( |
| 361 | 'max' => $field['max'], |
| 362 | 's' => '', |
| 363 | 'paged' => 1, |
| 364 | 'post_type' => implode(',', $field['post_type']), |
| 365 | 'taxonomy' => implode(',', $field['taxonomy']), |
| 366 | 'field_key' => $field['key'] |
| 367 | ); |
| 368 | |
| 369 | |
| 370 | // Lang |
| 371 | if( defined('ICL_LANGUAGE_CODE') ) |
| 372 | { |
| 373 | $attributes['lang'] = ICL_LANGUAGE_CODE; |
| 374 | } |
| 375 | |
| 376 | |
| 377 | // parent |
| 378 | preg_match('/\[(field_.*?)\]/', $field['name'], $ancestor); |
| 379 | if( isset($ancestor[1]) && $ancestor[1] != $field['key']) |
| 380 | { |
| 381 | $attributes['ancestor'] = $ancestor[1]; |
| 382 | } |
| 383 | |
| 384 | ?> |
| 385 | <div class="acf_relationship<?php echo $class; ?>"<?php foreach( $attributes as $k => $v ): ?> data-<?php echo $k; ?>="<?php echo $v; ?>"<?php endforeach; ?>> |
| 386 | |
| 387 | <!-- Hidden Blank default value --> |
| 388 | <input type="hidden" name="<?php echo $field['name']; ?>" value="" /> |
| 389 | |
| 390 | <!-- Template for value --> |
| 391 | <script type="text/html" class="tmpl-li"> |
| 392 | <li> |
| 393 | <a href="#" data-post_id="{post_id}">{title}<span class="acf-button-remove"></span></a> |
| 394 | <input type="hidden" name="<?php echo $field['name']; ?>[]" value="{post_id}" /> |
| 395 | </li> |
| 396 | </script> |
| 397 | <!-- / Template for value --> |
| 398 | |
| 399 | <!-- Left List --> |
| 400 | <div class="relationship_left"> |
| 401 | <table class="widefat"> |
| 402 | <thead> |
| 403 | <?php if(in_array( 'search', $field['filters']) ): ?> |
| 404 | <tr> |
| 405 | <th> |
| 406 | <label class="relationship_label" for="relationship_<?php echo $field['name']; ?>"><?php _e("Search",'acf'); ?>...</label> |
| 407 | <input class="relationship_search" type="text" id="relationship_<?php echo $field['name']; ?>" /> |
| 408 | <!-- <div class="clear_relationship_search"></div> --> |
| 409 | </th> |
| 410 | </tr> |
| 411 | <?php endif; ?> |
| 412 | <?php if(in_array( 'post_type', $field['filters']) ): ?> |
| 413 | <tr> |
| 414 | <th> |
| 415 | <?php |
| 416 | |
| 417 | // vars |
| 418 | $choices = array( |
| 419 | 'all' => 'Filter by post type' |
| 420 | ); |
| 421 | |
| 422 | |
| 423 | if( in_array('all', $field['post_type']) ) |
| 424 | { |
| 425 | $post_types = apply_filters( 'acf/get_post_types', array() ); |
| 426 | $choices = array_merge( $choices, $post_types); |
| 427 | } |
| 428 | else |
| 429 | { |
| 430 | foreach( $field['post_type'] as $post_type ) |
| 431 | { |
| 432 | $choices[ $post_type ] = $post_type; |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | |
| 437 | // create field |
| 438 | do_action('acf/create_field', array( |
| 439 | 'type' => 'select', |
| 440 | 'name' => '', |
| 441 | 'class' => 'select-post_type', |
| 442 | 'value' => '', |
| 443 | 'choices' => $choices, |
| 444 | )); |
| 445 | |
| 446 | ?> |
| 447 | </th> |
| 448 | </tr> |
| 449 | <?php endif; ?> |
| 450 | </thead> |
| 451 | </table> |
| 452 | <ul class="bl relationship_list"> |
| 453 | <li class="load-more"> |
| 454 | <div class="acf-loading"></div> |
| 455 | </li> |
| 456 | </ul> |
| 457 | </div> |
| 458 | <!-- /Left List --> |
| 459 | |
| 460 | <!-- Right List --> |
| 461 | <div class="relationship_right"> |
| 462 | <ul class="bl relationship_list"> |
| 463 | <?php |
| 464 | |
| 465 | if( $field['value'] ) |
| 466 | { |
| 467 | foreach( $field['value'] as $p ) |
| 468 | { |
| 469 | // right aligned info |
| 470 | $title = '<span class="relationship-item-info">'; |
| 471 | |
| 472 | if( in_array('post_type', $field['result_elements']) ) |
| 473 | { |
| 474 | $title .= $p->post_type; |
| 475 | } |
| 476 | |
| 477 | // WPML |
| 478 | if( defined('ICL_LANGUAGE_CODE') ) |
| 479 | { |
| 480 | $title .= ' (' . ICL_LANGUAGE_CODE . ')'; |
| 481 | } |
| 482 | |
| 483 | $title .= '</span>'; |
| 484 | |
| 485 | |
| 486 | // featured_image |
| 487 | if( in_array('featured_image', $field['result_elements']) ) |
| 488 | { |
| 489 | $image = get_the_post_thumbnail( $p->ID, array(21, 21) ); |
| 490 | |
| 491 | $title .= '<div class="result-thumbnail">' . $image . '</div>'; |
| 492 | } |
| 493 | |
| 494 | |
| 495 | // find title. Could use get_the_title, but that uses get_post(), so I think this uses less Memory |
| 496 | $title .= apply_filters( 'the_title', $p->post_title, $p->ID ); |
| 497 | |
| 498 | // status |
| 499 | if($p->post_status != "publish") |
| 500 | { |
| 501 | $title .= " ($p->post_status)"; |
| 502 | } |
| 503 | |
| 504 | |
| 505 | // filters |
| 506 | $title = apply_filters('acf/fields/relationship/result', $title, $p, $field, $post); |
| 507 | $title = apply_filters('acf/fields/relationship/result/name=' . $field['name'] , $title, $p, $field, $post); |
| 508 | $title = apply_filters('acf/fields/relationship/result/key=' . $field['key'], $title, $p, $field, $post); |
| 509 | |
| 510 | |
| 511 | echo '<li> |
| 512 | <a href="' . get_permalink($p->ID) . '" class="" data-post_id="' . $p->ID . '">' . $title . '<span class="acf-button-remove"></span></a> |
| 513 | <input type="hidden" name="' . $field['name'] . '[]" value="' . $p->ID . '" /> |
| 514 | </li>'; |
| 515 | |
| 516 | |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | ?> |
| 521 | </ul> |
| 522 | </div> |
| 523 | <!-- / Right List --> |
| 524 | |
| 525 | </div> |
| 526 | <?php |
| 527 | } |
| 528 | |
| 529 | |
| 530 | |
| 531 | /* |
| 532 | * create_options() |
| 533 | * |
| 534 | * Create extra options for your field. This is rendered when editing a field. |
| 535 | * The value of $field['name'] can be used (like bellow) to save extra data to the $field |
| 536 | * |
| 537 | * @type action |
| 538 | * @since 3.6 |
| 539 | * @date 23/01/13 |
| 540 | * |
| 541 | * @param $field - an array holding all the field's data |
| 542 | */ |
| 543 | |
| 544 | function create_options( $field ) |
| 545 | { |
| 546 | // vars |
| 547 | $field = array_merge($this->defaults, $field); |
| 548 | $key = $field['name']; |
| 549 | |
| 550 | ?> |
| 551 | <tr class="field_option field_option_<?php echo $this->name; ?>"> |
| 552 | <td class="label"> |
| 553 | <label for=""><?php _e("Post Type",'acf'); ?></label> |
| 554 | </td> |
| 555 | <td> |
| 556 | <?php |
| 557 | |
| 558 | $choices = array( |
| 559 | 'all' => __("All",'acf') |
| 560 | ); |
| 561 | $choices = apply_filters('acf/get_post_types', $choices); |
| 562 | |
| 563 | |
| 564 | do_action('acf/create_field', array( |
| 565 | 'type' => 'select', |
| 566 | 'name' => 'fields['.$key.'][post_type]', |
| 567 | 'value' => $field['post_type'], |
| 568 | 'choices' => $choices, |
| 569 | 'multiple' => 1, |
| 570 | )); |
| 571 | |
| 572 | ?> |
| 573 | </td> |
| 574 | </tr> |
| 575 | <tr class="field_option field_option_<?php echo $this->name; ?>"> |
| 576 | <td class="label"> |
| 577 | <label><?php _e("Filter from Taxonomy",'acf'); ?></label> |
| 578 | </td> |
| 579 | <td> |
| 580 | <?php |
| 581 | $choices = array( |
| 582 | '' => array( |
| 583 | 'all' => __("All",'acf') |
| 584 | ) |
| 585 | ); |
| 586 | $simple_value = false; |
| 587 | $choices = apply_filters('acf/get_taxonomies_for_select', $choices, $simple_value); |
| 588 | |
| 589 | |
| 590 | do_action('acf/create_field', array( |
| 591 | 'type' => 'select', |
| 592 | 'name' => 'fields['.$key.'][taxonomy]', |
| 593 | 'value' => $field['taxonomy'], |
| 594 | 'choices' => $choices, |
| 595 | 'multiple' => 1, |
| 596 | )); |
| 597 | ?> |
| 598 | </td> |
| 599 | </tr> |
| 600 | <tr class="field_option field_option_<?php echo $this->name; ?>"> |
| 601 | <td class="label"> |
| 602 | <label><?php _e("Filters",'acf'); ?></label> |
| 603 | </td> |
| 604 | <td> |
| 605 | <?php |
| 606 | do_action('acf/create_field', array( |
| 607 | 'type' => 'checkbox', |
| 608 | 'name' => 'fields['.$key.'][filters]', |
| 609 | 'value' => $field['filters'], |
| 610 | 'choices' => array( |
| 611 | 'search' => __("Search",'acf'), |
| 612 | 'post_type' => __("Post Type Select",'acf'), |
| 613 | ) |
| 614 | )); |
| 615 | ?> |
| 616 | </td> |
| 617 | </tr> |
| 618 | <tr class="field_option field_option_<?php echo $this->name; ?>"> |
| 619 | <td class="label"> |
| 620 | <label><?php _e("Elements",'acf'); ?></label> |
| 621 | <p><?php _e("Selected elements will be displayed in each result",'acf') ?></p> |
| 622 | </td> |
| 623 | <td> |
| 624 | <?php |
| 625 | do_action('acf/create_field', array( |
| 626 | 'type' => 'checkbox', |
| 627 | 'name' => 'fields['.$key.'][result_elements]', |
| 628 | 'value' => $field['result_elements'], |
| 629 | 'choices' => array( |
| 630 | 'featured_image' => 'Featured Image', |
| 631 | 'post_title' => __("Post Title",'acf'), |
| 632 | 'post_type' => __("Post Type",'acf'), |
| 633 | ), |
| 634 | 'disabled' => array( |
| 635 | 'post_title' |
| 636 | ) |
| 637 | )); |
| 638 | ?> |
| 639 | </td> |
| 640 | </tr> |
| 641 | <tr class="field_option field_option_<?php echo $this->name; ?>"> |
| 642 | <td class="label"> |
| 643 | <label><?php _e("Maximum posts",'acf'); ?></label> |
| 644 | </td> |
| 645 | <td> |
| 646 | <?php |
| 647 | do_action('acf/create_field', array( |
| 648 | 'type' => 'text', |
| 649 | 'name' => 'fields['.$key.'][max]', |
| 650 | 'value' => $field['max'], |
| 651 | )); |
| 652 | ?> |
| 653 | </td> |
| 654 | </tr> |
| 655 | <?php |
| 656 | |
| 657 | } |
| 658 | |
| 659 | |
| 660 | /* |
| 661 | * format_value() |
| 662 | * |
| 663 | * This filter is appied to the $value after it is loaded from the db and before it is passed to the create_field action |
| 664 | * |
| 665 | * @type filter |
| 666 | * @since 3.6 |
| 667 | * @date 23/01/13 |
| 668 | * |
| 669 | * @param $value - the value which was loaded from the database |
| 670 | * @param $post_id - the $post_id from which the value was loaded |
| 671 | * @param $field - the field array holding all the field options |
| 672 | * |
| 673 | * @return $value - the modified value |
| 674 | */ |
| 675 | |
| 676 | function format_value( $value, $post_id, $field ) |
| 677 | { |
| 678 | // empty? |
| 679 | if( !$value ) |
| 680 | { |
| 681 | return $value; |
| 682 | } |
| 683 | |
| 684 | |
| 685 | // Pre 3.3.3, the value is a string coma seperated |
| 686 | if( !is_array($value) ) |
| 687 | { |
| 688 | $value = explode(',', $value); |
| 689 | } |
| 690 | |
| 691 | |
| 692 | // empty? |
| 693 | if( empty($value) ) |
| 694 | { |
| 695 | return $value; |
| 696 | } |
| 697 | |
| 698 | |
| 699 | // find posts (DISTINCT POSTS) |
| 700 | $posts = get_posts(array( |
| 701 | 'numberposts' => -1, |
| 702 | 'post__in' => $value, |
| 703 | 'post_type' => apply_filters('acf/get_post_types', array()), |
| 704 | 'post_status' => array('publish', 'private', 'draft', 'inherit', 'future'), |
| 705 | )); |
| 706 | |
| 707 | |
| 708 | $ordered_posts = array(); |
| 709 | foreach( $posts as $p ) |
| 710 | { |
| 711 | // create array to hold value data |
| 712 | $ordered_posts[ $p->ID ] = $p; |
| 713 | } |
| 714 | |
| 715 | |
| 716 | // override value array with attachments |
| 717 | foreach( $value as $k => $v) |
| 718 | { |
| 719 | // check that post exists (my have been trashed) |
| 720 | if( !isset($ordered_posts[ $v ]) ) |
| 721 | { |
| 722 | unset( $value[ $k ] ); |
| 723 | } |
| 724 | else |
| 725 | { |
| 726 | $value[ $k ] = $ordered_posts[ $v ]; |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | |
| 731 | // return value |
| 732 | return $value; |
| 733 | } |
| 734 | |
| 735 | |
| 736 | /* |
| 737 | * format_value_for_api() |
| 738 | * |
| 739 | * This filter is appied to the $value after it is loaded from the db and before it is passed back to the api functions such as the_field |
| 740 | * |
| 741 | * @type filter |
| 742 | * @since 3.6 |
| 743 | * @date 23/01/13 |
| 744 | * |
| 745 | * @param $value - the value which was loaded from the database |
| 746 | * @param $post_id - the $post_id from which the value was loaded |
| 747 | * @param $field - the field array holding all the field options |
| 748 | * |
| 749 | * @return $value - the modified value |
| 750 | */ |
| 751 | |
| 752 | function format_value_for_api( $value, $post_id, $field ) |
| 753 | { |
| 754 | return $this->format_value( $value, $post_id, $field ); |
| 755 | } |
| 756 | |
| 757 | |
| 758 | /* |
| 759 | * update_value() |
| 760 | * |
| 761 | * This filter is appied to the $value before it is updated in the db |
| 762 | * |
| 763 | * @type filter |
| 764 | * @since 3.6 |
| 765 | * @date 23/01/13 |
| 766 | * |
| 767 | * @param $value - the value which will be saved in the database |
| 768 | * @param $post_id - the $post_id of which the value will be saved |
| 769 | * @param $field - the field array holding all the field options |
| 770 | * |
| 771 | * @return $value - the modified value |
| 772 | */ |
| 773 | |
| 774 | function update_value( $value, $post_id, $field ) |
| 775 | { |
| 776 | // array? |
| 777 | if( is_array($value) ){ foreach( $value as $k => $v ){ |
| 778 | |
| 779 | // object? |
| 780 | if( is_object($v) && isset($v->ID) ) |
| 781 | { |
| 782 | $value[ $k ] = $v->ID; |
| 783 | } |
| 784 | |
| 785 | }} |
| 786 | |
| 787 | |
| 788 | return $value; |
| 789 | } |
| 790 | |
| 791 | } |
| 792 | |
| 793 | new acf_field_relationship(); |
| 794 | |
| 795 | ?> |