public function BarcodeFormatterBase::settingsForm in Barcode 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/BarcodeFormatterBase.php, line 29

Class

BarcodeFormatterBase

Base for barcode formatters.

Namespace

Drupal\barcode\Plugin\Field\FieldFormatter

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $settings = $this
    ->getSettings();
  $elements['background'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Background Color'),
    '#default_value' => $settings['background'],
    '#maxlength' => 6,
  ];
  $elements['foreground'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Foreground Color'),
    '#default_value' => $settings['foreground'],
    '#maxlength' => 6,
  ];
  return $elements;
}