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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\name\Traits; |
| 6 | |
| 7 | use Drupal\Core\Form\FormStateInterface; |
| 8 | use Drupal\Core\Render\Element; |
| 9 | use Drupal\name\Utility\NameOptionValidator; |
| 10 | use Symfony\Component\DependencyInjection\ContainerInterface; |
| 11 | |
| 12 | /** |
| 13 | * Name settings trait. |
| 14 | * |
| 15 | * Shared methods to assist handling the field element setting forms. |
| 16 | */ |
| 17 | trait NameFormSettingsHelperTrait { |
| 18 | |
| 19 | /** |
| 20 | * {@inheritdoc} |
| 21 | */ |
| 22 | public static function trustedCallbacks() { |
| 23 | return ['fieldSettingsFormPreRender']; |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * Themes up the field settings into a table. |
| 28 | */ |
| 29 | public function fieldSettingsFormPreRender($form) { |
| 30 | [$components, $excluded_components] = $this->resolveComponents($form); |
| 31 | $form = $this->initFormScaffold($form, $components, $excluded_components); |
| 32 | $grouped_elements = []; |
| 33 | $help_footer_notes = []; |
| 34 | $footer_notes_counter = 0; |
| 35 | $component_count = count($components) - count($excluded_components); |
| 36 | |
| 37 | foreach (Element::children($form) as $child) { |
| 38 | if (in_array($child, ['name_settings', 'top', 'hidden'], TRUE)) { |
| 39 | continue; |
| 40 | } |
| 41 | |
| 42 | if (!empty($form[$child]['#table_group'])) { |
| 43 | if ($this->routeTableGroupChild($child, $form, $grouped_elements)) { |
| 44 | continue; |
| 45 | } |
| 46 | } |
| 47 | if (!empty($form[$child]['#indent_row'])) { |
| 48 | $this->buildIndentRow( |
| 49 | $child, |
| 50 | $form, |
| 51 | $grouped_elements, |
| 52 | $component_count, |
| 53 | ); |
| 54 | continue; |
| 55 | } |
| 56 | $this->buildStandardRow( |
| 57 | $child, |
| 58 | $form, |
| 59 | $components, |
| 60 | $excluded_components, |
| 61 | $grouped_elements, |
| 62 | $help_footer_notes, |
| 63 | $footer_notes_counter, |
| 64 | $component_count, |
| 65 | ); |
| 66 | } |
| 67 | |
| 68 | $this->flushOrphanedGroupedElements( |
| 69 | $form, |
| 70 | $grouped_elements, |
| 71 | $component_count, |
| 72 | ); |
| 73 | $this->appendFootnotes($form, $help_footer_notes); |
| 74 | $form['#sorted'] = FALSE; |
| 75 | |
| 76 | return $form; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Helper function to validate minimum components. |
| 81 | * |
| 82 | * @param array $element |
| 83 | * Element being validated. |
| 84 | * @param \Drupal\Core\Form\FormStateInterface $form_state |
| 85 | * The form state. |
| 86 | * @param mixed $values |
| 87 | * Values to check. |
| 88 | * @param int $max_length |
| 89 | * The max length. |
| 90 | */ |
| 91 | protected static function validateOptions($element, FormStateInterface $form_state, $values, $max_length) { |
| 92 | NameOptionValidator::validate($element, $form_state, (array) $values, (int) $max_length); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Helper function to get the allowed values. |
| 97 | * |
| 98 | * @param string $string |
| 99 | * The string to parse. |
| 100 | * |
| 101 | * @return array |
| 102 | * The parsed values. |
| 103 | */ |
| 104 | protected static function extractAllowedValues($string) { |
| 105 | return array_filter(array_map('trim', explode("\n", $string))); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Resolves translatable components and excluded components. |
| 110 | * |
| 111 | * @param array $form |
| 112 | * The current form. |
| 113 | * |
| 114 | * @return array{0: array, 1: array} |
| 115 | * The components and excluded component list. |
| 116 | */ |
| 117 | private function resolveComponents(array $form): array { |
| 118 | $metadata = \Drupal::getContainer() |
| 119 | ->get('name.component_metadata', ContainerInterface::NULL_ON_INVALID_REFERENCE); |
| 120 | $components = $metadata ? $metadata->getTranslations() : []; |
| 121 | |
| 122 | $excluded_components = !empty($form['#excluded_components']) |
| 123 | ? $form['#excluded_components'] |
| 124 | : []; |
| 125 | |
| 126 | return [$components, $excluded_components]; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Initializes the settings table wrapper and component headers. |
| 131 | * |
| 132 | * @param array $form |
| 133 | * The current form. |
| 134 | * @param array $components |
| 135 | * Available components. |
| 136 | * @param array $excluded_components |
| 137 | * Excluded components. |
| 138 | * |
| 139 | * @return array |
| 140 | * The initialized form. |
| 141 | */ |
| 142 | private function initFormScaffold( |
| 143 | array $form, |
| 144 | array $components, |
| 145 | array $excluded_components, |
| 146 | ): array { |
| 147 | $form = [ |
| 148 | 'top' => [], |
| 149 | 'hidden' => ['#access' => FALSE], |
| 150 | 'name_settings' => [ |
| 151 | '#type' => 'container', |
| 152 | 'table' => [ |
| 153 | '#type' => 'table', |
| 154 | '#header' => [ |
| 155 | [ |
| 156 | 'data' => $this->t('Field'), |
| 157 | ], |
| 158 | ], |
| 159 | '#weight' => -2, |
| 160 | ], |
| 161 | ] + ($form['name_settings'] ?? []), |
| 162 | ] + $form; |
| 163 | |
| 164 | foreach ($components as $key => $title) { |
| 165 | if (empty($excluded_components[$key])) { |
| 166 | $form['name_settings']['table']['#header'][] = [ |
| 167 | 'data' => $title, |
| 168 | ]; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | return $form; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Routes children that declare #table_group. |
| 177 | * |
| 178 | * @param string $child |
| 179 | * The child key being processed. |
| 180 | * @param array $form |
| 181 | * The current form. |
| 182 | * @param array $grouped_elements |
| 183 | * Deferred grouped elements. |
| 184 | * |
| 185 | * @return bool |
| 186 | * TRUE if the child processing is complete. |
| 187 | */ |
| 188 | private function routeTableGroupChild( |
| 189 | string $child, |
| 190 | array &$form, |
| 191 | array &$grouped_elements, |
| 192 | ): bool { |
| 193 | $table_group = (string) $form[$child]['#table_group']; |
| 194 | if ($table_group === 'none') { |
| 195 | return TRUE; |
| 196 | } |
| 197 | |
| 198 | if ($table_group === 'above') { |
| 199 | $form['top'][$child] = $form[$child]; |
| 200 | unset($form[$child]); |
| 201 | return TRUE; |
| 202 | } |
| 203 | |
| 204 | if (!isset($form['name_settings']['table'][$table_group]['elements'])) { |
| 205 | $grouped_elements[$table_group][$child] = $form[$child]; |
| 206 | unset($form[$child]); |
| 207 | return TRUE; |
| 208 | } |
| 209 | |
| 210 | $form['name_settings']['table'][$table_group]['elements'][$child] = $form[$child]; |
| 211 | unset($form[$child]); |
| 212 | |
| 213 | return TRUE; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * Builds a single indented row. |
| 218 | * |
| 219 | * @param string $child |
| 220 | * The child key being processed. |
| 221 | * @param array $form |
| 222 | * The current form. |
| 223 | * @param array $grouped_elements |
| 224 | * Deferred grouped elements. |
| 225 | * @param int $component_count |
| 226 | * Number of visible components. |
| 227 | */ |
| 228 | private function buildIndentRow( |
| 229 | string $child, |
| 230 | array &$form, |
| 231 | array &$grouped_elements, |
| 232 | int $component_count, |
| 233 | ): void { |
| 234 | $elements_data = $this->buildColspanContainer($component_count) |
| 235 | + $form[$child]; |
| 236 | foreach ($grouped_elements[$child] ?? [] as $grouped_key => $grouped_element) { |
| 237 | $elements_data[$grouped_key] = $grouped_element; |
| 238 | } |
| 239 | |
| 240 | $form['name_settings']['table'][$child] = [ |
| 241 | 'field' => [ |
| 242 | '#markup' => ' ', |
| 243 | ], |
| 244 | 'elements' => $elements_data, |
| 245 | ]; |
| 246 | unset($form[$child]); |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Builds a standard row with label and component columns. |
| 251 | * |
| 252 | * @param string $child |
| 253 | * The child key being processed. |
| 254 | * @param array $form |
| 255 | * The current form. |
| 256 | * @param array $components |
| 257 | * Available components. |
| 258 | * @param array $excluded_components |
| 259 | * Excluded components. |
| 260 | * @param array $grouped_elements |
| 261 | * Deferred grouped elements. |
| 262 | * @param array $help_footer_notes |
| 263 | * Collected footer notes. |
| 264 | * @param int $footer_notes_counter |
| 265 | * Footnote counter. |
| 266 | * @param int $component_count |
| 267 | * Number of visible components. |
| 268 | */ |
| 269 | private function buildStandardRow( |
| 270 | string $child, |
| 271 | array &$form, |
| 272 | array $components, |
| 273 | array $excluded_components, |
| 274 | array &$grouped_elements, |
| 275 | array &$help_footer_notes, |
| 276 | int &$footer_notes_counter, |
| 277 | int $component_count, |
| 278 | ): void { |
| 279 | $child_element = $form[$child]; |
| 280 | $row = []; |
| 281 | |
| 282 | if (isset($child_element['#title'])) { |
| 283 | $row['field'] = $this->buildLabelCell( |
| 284 | $child_element, |
| 285 | $help_footer_notes, |
| 286 | $footer_notes_counter, |
| 287 | ); |
| 288 | } |
| 289 | |
| 290 | $row += $this->buildComponentColumns( |
| 291 | $child, |
| 292 | $child_element, |
| 293 | $components, |
| 294 | $excluded_components, |
| 295 | $form['hidden'], |
| 296 | ); |
| 297 | |
| 298 | if (!empty($grouped_elements[$child])) { |
| 299 | if (!isset($row['elements'])) { |
| 300 | $row['elements'] = $this->buildColspanContainer($component_count); |
| 301 | } |
| 302 | foreach ($grouped_elements[$child] as $grouped_key => $grouped_element) { |
| 303 | $row['elements'][$grouped_key] = $grouped_element; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | $form['name_settings']['table'][$child] = $row; |
| 308 | unset($form[$child]); |
| 309 | } |
| 310 | |
| 311 | /** |
| 312 | * Builds the label cell, including a footnote marker if needed. |
| 313 | * |
| 314 | * @param array $child_element |
| 315 | * The child form element. |
| 316 | * @param array $help_footer_notes |
| 317 | * Collected footer notes. |
| 318 | * @param int $footer_notes_counter |
| 319 | * Footnote counter. |
| 320 | * |
| 321 | * @return array |
| 322 | * The label cell. |
| 323 | */ |
| 324 | private function buildLabelCell( |
| 325 | array &$child_element, |
| 326 | array &$help_footer_notes, |
| 327 | int &$footer_notes_counter, |
| 328 | ): array { |
| 329 | $label_cell = [ |
| 330 | '#type' => 'container', |
| 331 | 'title' => [ |
| 332 | '#plain_text' => (string) $child_element['#title'], |
| 333 | ], |
| 334 | ]; |
| 335 | |
| 336 | if (!empty($child_element['#description'])) { |
| 337 | $footer_notes_counter += 1; |
| 338 | $footnote_sup = $this->t( |
| 339 | '<sup>@number</sup>', |
| 340 | ['@number' => $footer_notes_counter], |
| 341 | ); |
| 342 | $label_cell['footnote'] = [ |
| 343 | '#markup' => $footnote_sup, |
| 344 | ]; |
| 345 | $help_footer_notes[] = $child_element['#description']; |
| 346 | unset($child_element['#description']); |
| 347 | } |
| 348 | |
| 349 | return $label_cell; |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * Builds all component columns for a standard row. |
| 354 | * |
| 355 | * @param string $child |
| 356 | * The child key being processed. |
| 357 | * @param array $child_element |
| 358 | * The child form element. |
| 359 | * @param array $components |
| 360 | * Available components. |
| 361 | * @param array $excluded_components |
| 362 | * Excluded components. |
| 363 | * @param array $hidden_elements |
| 364 | * Hidden elements keyed by child. |
| 365 | * |
| 366 | * @return array |
| 367 | * Component columns keyed by component name. |
| 368 | */ |
| 369 | private function buildComponentColumns( |
| 370 | string $child, |
| 371 | array &$child_element, |
| 372 | array $components, |
| 373 | array $excluded_components, |
| 374 | array &$hidden_elements, |
| 375 | ): array { |
| 376 | $row = []; |
| 377 | $component_keys = array_keys($components); |
| 378 | foreach ($component_keys as $weight => $key) { |
| 379 | $component_is_excluded = ( |
| 380 | !empty($excluded_components[$key]) && isset($child_element[$key]) |
| 381 | ); |
| 382 | if ($component_is_excluded) { |
| 383 | $child_element[$key]['#access'] = FALSE; |
| 384 | $hidden_elements[$child][$key] = $child_element[$key]; |
| 385 | continue; |
| 386 | } |
| 387 | |
| 388 | if (!isset($child_element[$key])) { |
| 389 | $row[$key] = $this->buildEmptyCell($weight); |
| 390 | continue; |
| 391 | } |
| 392 | |
| 393 | $child_element[$key]['#attributes']['title'] = $child_element[$key]['#title']; |
| 394 | if (($child_element[$key]['#type'] ?? NULL) === 'checkbox') { |
| 395 | $child_element[$key]['#title_display'] = 'invisible'; |
| 396 | } |
| 397 | $row[$key] = [ |
| 398 | '#weight' => $weight, |
| 399 | ] + $child_element[$key]; |
| 400 | |
| 401 | // Show columns when component is checked or label is blank. |
| 402 | if ($child !== 'components') { |
| 403 | $row[$key]['#states'] = $this->buildComponentVisibilityStates($key); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | return $row; |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Builds visibility states for non-component rows. |
| 412 | * |
| 413 | * @param string $key |
| 414 | * Component key. |
| 415 | * |
| 416 | * @return array |
| 417 | * Render API states definition. |
| 418 | */ |
| 419 | private function buildComponentVisibilityStates(string $key): array { |
| 420 | return [ |
| 421 | 'visible' => [ |
| 422 | [ |
| 423 | ':input[name$="[components][' . $key . ']"]' => [ |
| 424 | 'checked' => TRUE, |
| 425 | ], |
| 426 | ], |
| 427 | 'or', |
| 428 | [ |
| 429 | ':input[name$="[labels][' . $key . ']"]' => [ |
| 430 | 'empty' => TRUE, |
| 431 | ], |
| 432 | ], |
| 433 | ], |
| 434 | ]; |
| 435 | } |
| 436 | |
| 437 | /** |
| 438 | * Adds grouped elements that were deferred until after row creation. |
| 439 | * |
| 440 | * @param array $form |
| 441 | * The current form. |
| 442 | * @param array $grouped_elements |
| 443 | * Deferred grouped elements. |
| 444 | * @param int $component_count |
| 445 | * Number of visible components. |
| 446 | */ |
| 447 | private function flushOrphanedGroupedElements( |
| 448 | array &$form, |
| 449 | array $grouped_elements, |
| 450 | int $component_count, |
| 451 | ): void { |
| 452 | foreach ($grouped_elements as $target_key => $elements) { |
| 453 | if (isset($form['name_settings']['table'][$target_key]['elements'])) { |
| 454 | foreach ($elements as $grouped_key => $grouped_element) { |
| 455 | $form['name_settings']['table'][$target_key]['elements'][$grouped_key] = $grouped_element; |
| 456 | } |
| 457 | } |
| 458 | elseif (!isset($form['name_settings']['table'][$target_key])) { |
| 459 | $elements_data = $this->buildColspanContainer($component_count); |
| 460 | foreach ($elements as $grouped_key => $grouped_element) { |
| 461 | $elements_data[$grouped_key] = $grouped_element; |
| 462 | } |
| 463 | $form['name_settings']['table'][$target_key] = [ |
| 464 | 'field' => [ |
| 465 | '#markup' => ' ', |
| 466 | ], |
| 467 | 'elements' => $elements_data, |
| 468 | ]; |
| 469 | } |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Appends footnotes if descriptions were collected. |
| 475 | * |
| 476 | * @param array $form |
| 477 | * The current form. |
| 478 | * @param array $help_footer_notes |
| 479 | * Collected footer notes. |
| 480 | */ |
| 481 | private function appendFootnotes(array &$form, array $help_footer_notes): void { |
| 482 | if (empty($help_footer_notes)) { |
| 483 | return; |
| 484 | } |
| 485 | |
| 486 | $form['name_settings']['footnotes'] = [ |
| 487 | '#type' => 'details', |
| 488 | '#title' => t('Footnotes'), |
| 489 | '#collapsible' => TRUE, |
| 490 | '#collapsed' => TRUE, |
| 491 | '#parents' => [], |
| 492 | '#weight' => -1, |
| 493 | 'help_items' => [ |
| 494 | '#theme' => 'item_list', |
| 495 | '#list_type' => 'ol', |
| 496 | '#items' => $help_footer_notes, |
| 497 | ], |
| 498 | ]; |
| 499 | } |
| 500 | |
| 501 | /** |
| 502 | * Builds a colspan-aware container wrapper. |
| 503 | * |
| 504 | * @param int $component_count |
| 505 | * Number of visible components. |
| 506 | * |
| 507 | * @return array |
| 508 | * The container render array. |
| 509 | */ |
| 510 | private function buildColspanContainer(int $component_count): array { |
| 511 | return [ |
| 512 | '#type' => 'container', |
| 513 | '#wrapper_attributes' => [ |
| 514 | 'colspan' => $component_count, |
| 515 | ], |
| 516 | ]; |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * Builds an empty component placeholder cell. |
| 521 | * |
| 522 | * @param int $weight |
| 523 | * Display weight. |
| 524 | * |
| 525 | * @return array |
| 526 | * The placeholder cell. |
| 527 | */ |
| 528 | private function buildEmptyCell(int $weight): array { |
| 529 | return [ |
| 530 | '#markup' => ' ', |
| 531 | '#weight' => $weight, |
| 532 | ]; |
| 533 | } |
| 534 | |
| 535 | } |