Adds settings to Slugify Text Formatter (to capture separator).

src/Plugin/Field/FieldFormatter/SlugifyTextFormatter.php

@@ -7,6 +7,7 @@ use Drupal\cdesai_tff\SlugifyServiceInterface;
 use Drupal\cdesai_tff\DesaiTextFormatterBase;
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldItemInterface;
+use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -71,6 +72,51 @@ class SlugifyTextFormatter extends DesaiTextFormatterBase implements ContainerFa
     );
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public static function defaultSettings() {
+    $options = parent::defaultSettings();
+
+    $options['tff_separator'] = SlugifyServiceInterface::DEFAULT_SEPARATOR;
+    return $options;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsForm(array $form, FormStateInterface $form_state) {
+    $form = parent::settingsForm($form, $form_state);
+    $defaultSettings = self::defaultSettings();
+
+    $separator = trim($this->getSetting('tff_separator'));
+    $form['tff_separator'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Separator'),
+      '#description' => $this->t('Default if left blank: @default', ['@default' => $defaultSettings['tff_separator']]),
+      '#default_value' => $separator ? $separator : SlugifyServiceInterface::DEFAULT_SEPARATOR,
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsSummary() {
+    $summary = [];
+
+    $separator = trim($this->getSetting('tff_separator'));
+    if ($separator && $separator !== SlugifyServiceInterface::DEFAULT_SEPARATOR) {
+      $summary[] = $this->t('Separator: @value', ['@value' => $separator]);
+    }
+    else {
+      $summary[] = $this->t('Default Separator: @value', ['@value' => SlugifyServiceInterface::DEFAULT_SEPARATOR]);
+    }
+
+    return $summary;
+  }
+
   /**
    * @inheritDoc
    */
@@ -82,7 +128,9 @@ class SlugifyTextFormatter extends DesaiTextFormatterBase implements ContainerFa
    * @inheritDoc
    */
   function getValue(FieldItemInterface $item) {
-    return $this->slugifyService->convertToSlug($item);
+    $separator = trim($this->getSetting('tff_separator'));
+    return $this->slugifyService->convertToSlug($item, $separator);
   }
 
 }
+