public function ExpandCollapseFormatter::settingsForm in Expand collapse formatter 8

Returns a form to configure settings for the formatter.

Invoked from \Drupal\field_ui\Form\EntityDisplayFormBase to allow administrators to configure the formatter. The field_ui module takes care of handling submitted form values.

Parameters

array $form: The form where the settings form is being included in.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form elements for the formatter settings.

Overrides FormatterBase::settingsForm

File

src/Plugin/Field/FieldFormatter/ExpandCollapseFormatter.php, line 45

Contains the ExpandCollapseFormatter class.

Class

ExpandCollapseFormatter

The expand collapse formatter.

Namespace

Drupal\expand_collapse_formatter\Plugin\Field\FieldFormatter

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $element = [];
  $element['trim_length'] = [
    '#title' => t('Trim length'),
    '#type' => 'number',
    '#default_value' => $this
      ->getSetting('trim_length'),
    '#min' => 1,
    '#required' => TRUE,
  ];
  $element['default_state'] = [
    '#title' => t('Default state'),
    '#type' => 'select',
    '#options' => [
      'collapsed' => t('Collapsed'),
      'expanded' => t('Expanded'),
    ],
    '#default_value' => $this
      ->getSetting('default_state'),
    '#required' => TRUE,
  ];
  $element['link_text_open'] = [
    '#title' => t('Link text (open)'),
    '#type' => 'textfield',
    '#default_value' => $this
      ->getSetting('link_text_open'),
    '#required' => FALSE,
  ];
  $element['link_text_close'] = [
    '#title' => t('Link text (close)'),
    '#type' => 'textfield',
    '#default_value' => $this
      ->getSetting('link_text_close'),
    '#required' => FALSE,
  ];
  $element['link_class_open'] = [
    '#title' => t('Link class (open)'),
    '#type' => 'textfield',
    '#default_value' => $this
      ->getSetting('link_class_open'),
    '#required' => FALSE,
  ];
  $element['link_class_close'] = [
    '#title' => t('Link class (close)'),
    '#type' => 'textfield',
    '#default_value' => $this
      ->getSetting('link_class_close'),
    '#required' => FALSE,
  ];
  return $element;
}