public function HoverPreview::settingsForm in Hover Preview for ImageCache 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/HoverPreview.php, line 45

Class

HoverPreview

Plugin implementation of the 'hover_preview' formatter.

Namespace

Drupal\hover_preview\Plugin\Field\FieldFormatter

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $image_styles = image_style_options(FALSE);
  $form_element['image_style'] = array(
    '#title' => t('Image style'),
    '#type' => 'select',
    '#default_value' => $this
      ->getSetting('image_style'),
    '#empty_option' => t('None (original image)'),
    '#options' => $image_styles,
  );
  $link_types = array(
    'content' => t('Content'),
    'file' => t('File'),
  );
  $form_element['image_link'] = array(
    '#title' => t('Link image to'),
    '#type' => 'select',
    '#default_value' => $this
      ->getSetting('image_link'),
    '#empty_option' => t('Nothing'),
    '#options' => $link_types,
  );
  $form_element['hover_preview_action'] = array(
    '#title' => t('Hover preview action'),
    '#type' => 'select',
    '#default_value' => $this
      ->getSetting('hover_preview_action'),
    '#required' => TRUE,
    '#options' => array(
      'imgpreview' => t('Image Preview'),
      'replace' => t('Replace Image'),
    ),
  );
  $form_element['hover_preview_style'] = array(
    '#title' => t('Hover preview style'),
    '#type' => 'select',
    '#default_value' => $this
      ->getSetting('hover_preview_style'),
    '#empty_option' => t('None (original image)'),
    '#options' => $image_styles,
  );
  return $form_element + parent::settingsForm($form, $form_state);
}