Issue #3296335 by Tasneem Natshah: Finalize the Gherkin Script field type...

Issue #3296335 by Tasneem Natshah: Finalize the Gherkin Script field type widget and formatter with options to read from a list of step definitions

gherkin.info.yml

-name: 'Gherkin Editor'
+name: 'Gherkin Script'
 type: module
 description: 'Gherkin editing interface.'
 package: Other

src/Plugin/Field/FieldFormatter/GherkinDefaultFormatter.php

+<?php
+
+namespace Drupal\gherkin\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Field\FormatterBase;
+use Drupal\Core\Field\FieldItemListInterface;
+
+/**
+ * @FieldFormatter(
+ *      id = "gherkin_default_formatter",
+ *      module = "gherkin",
+ *      label = @Translation("Gherkin"),
+ *      field_types = {
+ *          "gherkin_script"
+ *      }
+ * )
+ */
+
+ class GherkinDefaultFormatter extends FormatterBase{
+    
+    public function viewElements(FieldItemListInterface $items, $langcode) {
+        $elements = [];
+        foreach ($items as $delta => $item) {
+            // Render each element as markup.
+            $element[$delta] = ['#markup' => $item->value];
+          }
+    
+        return $elements;
+      }
+ }
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src/Plugin/Field/FieldType/GherkinItem.php

+<?php
+
+namespace Drupal\gherkin\Plugin\Field\FieldType;
+
+use Drupal\Core\Field\FieldItemBase;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\Core\TypedData\DataDefinition;
+
+/**
+ * @FieldType(
+ *      id = "gherkin_script",
+ *      module = "gherkin",
+ *      label = @Translation("Gherkin Script"),
+ *      default_formatter = "gherkin_default_formatter",
+ *      default_widget = "gherkin_default_widget"
+ * )
+ */
+
+class GherkinItem extends FieldItemBase {
+    
+     /**
+   * {@inheritdoc}
+   */
+  public static function schema(FieldStorageDefinitionInterface $field_definition) {
+    return [
+      'columns' => [
+        'value' => [
+          'type' => 'text',
+          'size' => 'medium',
+          'not null' => FALSE,
+        ],
+      ],
+    ];
+  }
+  
+    public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition){
+        $properties['value'] = DataDefinition::create('string')
+            ->setLabel(t('Gherkin Script'));
+    }
+}
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src/Plugin/Field/FieldWidget/GherkinDefaultWidget.php

+<?php
+
+namespace Drupal\gherkin\Plugin\Field\FieldWidget;
+
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\WidgetBase;
+use Drupal\Core\Form\FormStateInterface;
+/**
+ * @FieldWidget(
+ *      id = "gherkin_default_widget",
+ *      module = "gherkin",
+ *      label = @Translation("Gherkin default"),
+ *      field_types = {
+ *          "gherkin_script"
+ *      }
+ * )
+ */
+
+class GherkinDefaultwidget extends widgetBase{
+     /**
+   * {@inheritdoc}
+   */
+
+    public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
+    $value = isset($items[$delta]->value) ? $items[$delta]->value : '';
+    $element += [
+        '#type' => 'text_format',
+        '#format' => 'full_html',
+        '#default_value' => $value,
+      ];
+ 
+    return ['value' => $element];
+  }
+}
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