entity_hierarchy-8.x-2.24/src/Plugin/Field/FieldWidget/EntityReferenceHierarchyAutocomplete.php
src/Plugin/Field/FieldWidget/EntityReferenceHierarchyAutocomplete.php
<?php namespace Drupal\entity_hierarchy\Plugin\Field\FieldWidget; use Drupal\Core\Field\FieldItemListInterface; use Drupal\Core\Field\Plugin\Field\FieldWidget\EntityReferenceAutocompleteWidget; use Drupal\Core\Form\FormStateInterface; use Symfony\Component\Validator\ConstraintViolationInterface; /** * Widget that uses autocomplete. * * @FieldWidget( * id = "entity_reference_hierarchy_autocomplete", * label = @Translation("Autocomplete"), * description = @Translation("An autocomplete text field with associated data."), * field_types = { * "entity_reference_hierarchy" * } * ) */ class EntityReferenceHierarchyAutocomplete extends EntityReferenceAutocompleteWidget { const HIDE_WEIGHT = 'hide_weight'; /** * {@inheritdoc} */ public function errorElement(array $element, ConstraintViolationInterface $error, array $form, FormStateInterface $form_state) { if (isset($element[0]['target_id'])) { return $element[0]['target_id']; } if (isset($element['target_id'])) { return $element['target_id']; } return FALSE; } /** * {@inheritdoc} */ public static function defaultSettings() { return parent::defaultSettings() + [self::HIDE_WEIGHT => TRUE]; } /** * {@inheritdoc} */ public function settingsForm(array $form, FormStateInterface $form_state) { return parent::settingsForm($form, $form_state) + [ 'hide_weight' => [ '#type' => 'checkbox', '#title' => $this->t('Hide weight field'), '#description' => $this->t('Hide the weight field and use the default value instead'), '#default_value' => $this->getSetting(self::HIDE_WEIGHT), ], ]; } /** * {@inheritdoc} */ public function settingsSummary() { $summary = parent::settingsSummary(); if ($this->getSetting(self::HIDE_WEIGHT)) { $summary[] = $this->t('Weight field is hidden'); } return $summary; } /** * {@inheritdoc} */ public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) { $widget = [ '#theme_wrappers' => ['container'], ]; $widget['target_id'] = parent::formElement($items, $delta, $element, $form, $form_state); if ($this->getSetting(self::HIDE_WEIGHT)) { $widget['weight'] = [ '#type' => 'value', '#value' => $items[$delta]->weight ?? 0, ]; } else { $widget['#attributes'] = ['class' => ['form--inline', 'clearfix']]; $widget['weight'] = [ '#type' => 'number', '#size' => '4', '#default_value' => isset($items[$delta]) ? $items[$delta]->weight : 1, '#weight' => 10, ]; if ($this->fieldDefinition->getFieldStorageDefinition()->isMultiple()) { $widget['weight']['#placeholder'] = $this->fieldDefinition->getSetting('weight_label'); } else { $widget['weight']['#title'] = $this->fieldDefinition->getSetting('weight_label'); } } return $widget; } }