public function ImageFormatter::settingsForm in Facebook Instant Articles 3.x

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldFormatter/ImageFormatter.php \Drupal\fb_instant_articles\Plugin\Field\FieldFormatter\ImageFormatter::settingsForm()

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 ImageFormatter::settingsForm

File

src/Plugin/Field/FieldFormatter/ImageFormatter.php, line 91

Class

ImageFormatter

Plugin implementation of the 'fbia_image' formatter.

Namespace

Drupal\fb_instant_articles\Plugin\Field\FieldFormatter

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $element['image_style'] = [
    '#title' => $this
      ->t('Image style'),
    '#type' => 'select',
    '#default_value' => $this
      ->getSetting('image_style'),
    '#empty_option' => t('None (original image)'),
    '#options' => image_style_options(),
  ];
  $element['caption'] = [
    '#type' => 'checkbox',
    '#description' => $this
      ->t('The caption uses the alt text of the image field.'),
    '#title' => $this
      ->t('Enable caption'),
    '#default_value' => $this
      ->getSetting('caption'),
  ];
  $element['presentation'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Presentation'),
    '#default_value' => $this
      ->getSetting('presentation'),
    '#options' => [
      Image::ASPECT_FIT => $this
        ->presentationLabel(Image::ASPECT_FIT),
      Image::ASPECT_FIT_ONLY => $this
        ->presentationLabel(Image::ASPECT_FIT_ONLY),
      Image::FULLSCREEN => $this
        ->presentationLabel(Image::FULLSCREEN),
      Image::NON_INTERACTIVE => $this
        ->presentationLabel(Image::NON_INTERACTIVE),
    ],
    '#empty_option' => $this
      ->t('None'),
  ];
  return $element;
}