PHP FieldItemListInterface::get方法代码示例

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    if (!$this->canBuildForm($form_state)) {
      return $element;
    }

    $element['#type'] = 'fieldset';
    $this->setIefId(sha1($items->getName() . '-ief-single-' . $delta));
    $entity = NULL;
    if ($items->get($delta)->target_id) {
      $entity = $items->get($delta)->entity;
      if (!$entity) {
        $element['warning']['#markup'] = t('Unable to load the referenced entity.');
        return $element;
      }
    }

    $op = isset($entity) ? 'edit' : 'add';
    $language = $items->getParent()->getValue()->language()->getId();
    $parents = array_merge($element['#field_parents'], [
      $items->getName(),
      $delta,
      'inline_entity_form'
    ]);
    $bundle = reset($this->getFieldSetting('handler_settings')['target_bundles']);
    $element['inline_entity_form'] = $this->getInlineEntityForm($op, $language, $delta, $parents, $bundle, $entity, TRUE);

    return $element;
  }

 /**
  * {@inheritdoc}
  */
 public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
 {
     $element['input'] = $element + array('#type' => 'textfield', '#placeholder' => $this->getSetting('placeholder_url'), '#default_value' => isset($items[$delta]->input) ? $items[$delta]->input : NULL, '#maxlength' => 255, '#element_validate' => array(array($this, 'validateInput')));
     if ($element['input']['#description'] == '') {
         $element['input']['#description'] = t('Enter the YouTube URL. Valid URL
   formats include: http://www.youtube.com/watch?v=1SqBdS0XkV4 and
   http://youtu.be/1SqBdS0XkV4');
     }
     if (isset($items->get($delta)->video_id)) {
         $element['video_id'] = array('#prefix' => '<div class="youtube-video-id">', '#markup' => t('YouTube video ID: @video_id', array('@video_id' => $items->get($delta)->video_id)), '#suffix' => '</div>', '#weight' => 1);
     }
     return $element;
 }

 /**
  * {@inheritdoc}
  */
 public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
 {
     // Trick inline_entity_form_form_alter() into attaching the handlers,
     // WidgetSubmit will be needed once extractFormValues fills the $form_state.
     $parents = array_merge($element['#field_parents'], [$items->getName()]);
     $ief_id = sha1(implode('-', $parents));
     $form_state->set(['inline_entity_form', $ief_id], []);
     $element['#type'] = 'fieldset';
     $item = $items->get($delta);
     if ($item->target_id && !$item->entity) {
         $element['warning']['#markup'] = $this->t('Unable to load the referenced entity.');
         return $element;
     }
     $entity = $item->entity;
     $op = $entity ? 'edit' : 'add';
     $language = $items->getParent()->getValue()->language()->getId();
     $parents = array_merge($element['#field_parents'], [$items->getName(), $delta, 'inline_entity_form']);
     $bundle = reset($this->getFieldSetting('handler_settings')['target_bundles']);
     $element['inline_entity_form'] = $this->getInlineEntityForm($op, $bundle, $language, $delta, $parents, $entity);
     if ($op == 'edit') {
         /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
         if (!$entity->access('update')) {
             // The user isn't allowed to edit the entity, but still needs to see
             // it, to be able to reorder values.
             $element['entity_label'] = ['#type' => 'markup', '#markup' => $entity->label()];
             // Hide the inline form. getInlineEntityForm() still needed to be
             // called because otherwise the field re-ordering doesn't work.
             $element['inline_entity_form']['#access'] = FALSE;
         }
     }
     return $element;
 }

 /**
  * {@inheritdoc}
  */
 public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
 {
     /** @var \Drupal\plugin\Plugin\Field\FieldType\PluginCollectionItemInterface $item */
     $item = $items[$delta];
     /** @var \Drupal\plugin\PluginType\PluginTypeInterface $plugin_type */
     $plugin_type = $item->getPluginType();
     $element = ['#delta' => $delta, '#field_definition' => $this->fieldDefinition, '#element_validate' => [[get_class(), 'validateFormElement']], '#plugin_type_id' => $plugin_type->getId(), '#plugin_selector_id' => $this->pluginDefinition['plugin_selector_id'], '#process' => [[get_class(), 'processFormElement']], '#selected_plugin' => $items->isEmpty() ? NULL : $items->get($delta)->getContainedPluginInstance()];
     $element['plugin_selector'] = static::getPluginSelector($form_state, $element)->buildSelectorForm([], $form_state);
     return $element;
 }

 /**
  * {@inheritdoc}
  */
 public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
 {
     if (!$this->canBuildForm($form_state)) {
         return $element;
     }
     $this->setIefId(sha1($items->getName() . '-ief-single-' . $delta));
     $entity_type = $this->getFieldSettings()['target_type'];
     $element['#type'] = 'fieldset';
     if ($items->get($delta)->target_id) {
         $entity = $this->entityManager->getStorage($entity_type)->load($items->get($delta)->target_id);
         if ($entity) {
             $element['inline_entity_form'] = $this->getInlineEntityForm('edit', $entity_type, $items->getParent()->getValue()->language()->getId(), $delta, array_merge($element['#field_parents'], [$items->getName(), $delta, 'inline_entity_form']), reset($this->getFieldSettings()['handler_settings']['target_bundles']), $entity, TRUE);
         } else {
             $element['warning']['#markup'] = t('Unable to load referenced entity.');
         }
     } else {
         $element['inline_entity_form'] = $this->getInlineEntityForm('add', $entity_type, $items->getParent()->getValue()->language()->getId(), $delta, array_merge($element['#field_parents'], [$items->getName(), $delta, 'inline_entity_form']), reset($this->getFieldSettings()['handler_settings']['target_bundles']), NULL, TRUE);
     }
     return $element;
 }

 /**
  * {@inheritdoc}
  */
 public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
 {
     /** @var ContentEntityInterface $entity */
     $entity = $items->getEntity();
     /* @var \Drupal\Core\Config\Entity\ConfigEntityInterface $bundle_entity */
     $bundle_entity = $this->entityTypeManager->getStorage($entity->getEntityType()->getBundleEntityType())->load($entity->bundle());
     if (!$this->moderationInformation->isModeratableEntity($entity)) {
         // @todo write a test for this.
         return $element + ['#access' => FALSE];
     }
     $default = $items->get($delta)->target_id ?: $bundle_entity->getThirdPartySetting('workbench_moderation', 'default_moderation_state', FALSE);
     /** @var \Drupal\workbench_moderation\ModerationStateInterface $default_state */
     $default_state = $this->entityTypeManager->getStorage('moderation_state')->load($default);
     if (!$default || !$default_state) {
         throw new \UnexpectedValueException(sprintf('The %s bundle has an invalid moderation state configuration, moderation states are enabled but no default is set.', $bundle_entity->label()));
     }
     $transitions = $this->validator->getValidTransitions($entity, $this->currentUser);
     $target_states = [];
     /** @var ModerationStateTransition $transition */
     foreach ($transitions as $transition) {
         $target_states[$transition->getToState()] = $transition->label();
     }
     // @todo write a test for this.
     $element += ['#access' => FALSE, '#type' => 'select', '#options' => $target_states, '#default_value' => $default, '#published' => $default ? $default_state->isPublishedState() : FALSE];
     // Use the dropbutton.
     $element['#process'][] = [get_called_class(), 'processActions'];
     return $element;
 }

 /**
  * {@inheritdoc}
  */
 public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
 {
     $entity = $items->getEntity();
     /* @var \Drupal\Core\Config\Entity\ConfigEntityInterface $bundle_entity */
     $bundle_entity = $this->entityTypeManager->getStorage($entity->getEntityType()->getBundleEntityType())->load($entity->bundle());
     if (!$this->moderationInformation->isModeratableEntity($entity)) {
         // @todo write a test for this.
         return $element + ['#access' => FALSE];
     }
     $options = $this->fieldDefinition->getFieldStorageDefinition()->getOptionsProvider($this->column, $entity)->getSettableOptions($this->currentUser);
     $default = $items->get($delta)->target_id ?: $bundle_entity->getThirdPartySetting('workbench_moderation', 'default_moderation_state', FALSE);
     /** @var \Drupal\workbench_moderation\ModerationStateInterface $default_state */
     $default_state = ModerationState::load($default);
     if (!$default || !$default_state) {
         throw new \UnexpectedValueException(sprintf('The %s bundle has an invalid moderation state configuration, moderation states are enabled but no default is set.', $bundle_entity->label()));
     }
     // @todo write a test for this.
     $from = $this->moderationStateTransitionEntityQuery->condition('stateFrom', $default)->execute();
     // Can always keep this one as is.
     $to[$default] = $default;
     // @todo write a test for this.
     $allowed = $bundle_entity->getThirdPartySetting('workbench_moderation', 'allowed_moderation_states', []);
     if ($from) {
         /* @var \Drupal\workbench_moderation\ModerationStateTransitionInterface $transition */
         foreach ($this->moderationStateTransitionStorage->loadMultiple($from) as $id => $transition) {
             $to_state = $transition->getToState();
             if ($this->currentUser->hasPermission('use ' . $id . ' transition') && in_array($to_state, $allowed, TRUE)) {
                 $to[$to_state] = $to_state;
             }
         }
     }
     $options = array_intersect_key($options, $to);
     // @todo write a test for this.
     $element += ['#access' => count($options), '#type' => 'select', '#options' => $options, '#default_value' => $default, '#published' => $default ? $default_state->isPublishedState() : FALSE];
     if ($this->currentUser->hasPermission($this->getAdminPermission($entity->getEntityType())) && count($options)) {
         // Use the dropbutton.
         $element['#process'][] = [get_called_class(), 'processActions'];
         // Don't show in sidebar/body.
         $element['#access'] = FALSE;
     } else {
         // Place the field as a details element in the advanced tab-set in e.g.
         // the sidebar.
         $element = ['#type' => 'details', '#group' => 'advanced', '#open' => TRUE, '#weight' => -10, '#title' => t('Moderation state'), 'target_id' => $element];
     }
     return $element;
 }