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| 1 | <?php |
| 2 | |
| 3 | namespace Drupal\primary_entity_reference\Plugin\Field\FieldWidget; |
| 4 | |
| 5 | use Drupal\Core\Field\Attribute\FieldWidget; |
| 6 | use Drupal\Core\Field\FieldItemListInterface; |
| 7 | use Drupal\Core\Form\FormStateInterface; |
| 8 | use Drupal\Core\StringTranslation\TranslatableMarkup; |
| 9 | use Drupal\Core\Field\Plugin\Field\FieldWidget\EntityReferenceAutocompleteWidget; |
| 10 | |
| 11 | /** |
| 12 | * Plugin implementation of the 'primary_entity_reference_autocomplete' widget. |
| 13 | */ |
| 14 | #[FieldWidget( |
| 15 | id: 'primary_entity_reference_autocomplete', |
| 16 | label: new TranslatableMarkup('Autocomplete'), |
| 17 | description: new TranslatableMarkup('An autocomplete text field.'), |
| 18 | field_types: ['primary_entity_reference'], |
| 19 | )] |
| 20 | class PrimaryReferenceAutocompleteWidget extends EntityReferenceAutocompleteWidget { |
| 21 | |
| 22 | /** |
| 23 | * {@inheritdoc} |
| 24 | */ |
| 25 | public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) { |
| 26 | |
| 27 | $element = parent::formElement($items, $delta, $element, $form, $form_state); |
| 28 | /** @var \Drupal\primary_entity_reference\Plugin\Field\FieldType\PrimaryEntityReferenceItem $item */ |
| 29 | $item = $items[$delta]; |
| 30 | $field_name = $this->fieldDefinition->getName(); |
| 31 | $element['primary'] = [ |
| 32 | '#type' => 'radio', |
| 33 | '#return_value' => $delta, |
| 34 | '#title' => $this->t('Primary'), |
| 35 | '#default_value' => $item->get('primary')->getValue() ? $delta : NULL, |
| 36 | '#attributes' => [ |
| 37 | 'id' => $field_name . '-primary-' . $delta, |
| 38 | ], |
| 39 | '#parents' => [$field_name, 0, 'primary'], |
| 40 | ]; |
| 41 | |
| 42 | return $element; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * {@inheritdoc} |
| 47 | */ |
| 48 | public function massageFormValues(array $values, array $form, FormStateInterface $form_state) { |
| 49 | $values = parent::massageFormValues($values, $form, $form_state); |
| 50 | |
| 51 | $primary = 0; |
| 52 | foreach ($values as $delta => $value) { |
| 53 | if (isset($value['primary']) && $value['primary']) { |
| 54 | $primary = (int) $value['primary']; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | foreach ($values as $delta => $value) { |
| 59 | $values[$delta]['primary'] = 0; |
| 60 | if ($value['_original_delta'] == $primary) { |
| 61 | |
| 62 | $values[$delta]['primary'] = 1; |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | return $values; |
| 67 | } |
| 68 | |
| 69 | } |