public function TextTrimmedFormatter::settingsForm

Returns a form to configure settings for the formatter.

Invoked from \Drupal\field_ui\Form\FieldInstanceEditForm 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.

array $form_state: An associative array containing the current state of the form.

Return value

array The form elements for the formatter settings.

Overrides FormatterBase::settingsForm

File

drupal/core/modules/text/lib/Drupal/text/Plugin/field/formatter/TextTrimmedFormatter.php, line 45
Contains \Drupal\text\Plugin\field\formatter\TextTrimmedFormatter.

Class

TextTrimmedFormatter
Plugin implementation of the 'text_trimmed'' formatter.

Namespace

Drupal\text\Plugin\field\formatter

Code

public function settingsForm(array $form, array &$form_state) {
  $element['trim_length'] = array(
    '#title' => t('Trim length'),
    '#type' => 'number',
    '#default_value' => $this
      ->getSetting('trim_length'),
    '#min' => 1,
    '#required' => TRUE,
  );
  return $element;
}