protected WidgetBase::formSingleElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
Generates the form element for a single copy of the widget.
File
- core/lib/Drupal/Core/Field/WidgetBase.php, line 313
Class
- WidgetBase
- Base class for 'Field widget' plugin implementations.
Namespace
Drupal\Core\Field
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | protected function formSingleElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) { $entity = $items->getEntity(); $element += array( '#field_parents' => $form['#parents'], // Only the first widget should be required. '#required' => $delta == 0 && $this->fieldDefinition->isRequired(), '#delta' => $delta, '#weight' => $delta, ); $element = $this->formElement($items, $delta, $element, $form, $form_state); if ($element) { // Allow modules to alter the field widget form element. $context = array( 'form' => $form, 'widget' => $this, 'items' => $items, 'delta' => $delta, 'default' => $this->isDefaultValueWidget($form_state), ); \Drupal::moduleHandler()->alter(array('field_widget_form', 'field_widget_' . $this->getPluginId() . '_form'), $element, $form_state, $context); } return $element;} |
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