Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / modules / contrib / paragraphs / src / Element / ParagraphsActions.php

diff --git a/web/modules/contrib/paragraphs/src/Element/ParagraphsActions.php b/web/modules/contrib/paragraphs/src/Element/ParagraphsActions.php
new file mode 100644 (file)
index 0000000..a199439
--- /dev/null
+++ b/web/modules/contrib/paragraphs/src/Element/ParagraphsActions.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace Drupal\paragraphs\Element;
+
+use Drupal\Core\Render\Element;
+use Drupal\Core\Render\Element\RenderElement;
+
+/**
+ * Provides a render element for a paragraphs actions.
+ *
+ * Paragraphs actions can have two type of actions
+ * - actions - this are default actions that are always visible.
+ * - dropdown_actions - actions that are in dropdown sub component.
+ *
+ * Usage example:
+ *
+ * @code
+ * $form['actions'] = [
+ *   '#type' => 'paragraphs_actions',
+ *   'actions' => $actions,
+ *   'dropdown_actions' => $dropdown_actions,
+ * ];
+ * $dropdown_actions['button'] = array(
+ *   '#type' => 'submit',
+ * );
+ * @endcode
+ *
+ * @FormElement("paragraphs_actions")
+ */
+class ParagraphsActions extends RenderElement {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getInfo() {
+    $class = get_class($this);
+
+    return [
+      '#pre_render' => [
+        [$class, 'preRenderParagraphsActions'],
+      ],
+      '#theme' => 'paragraphs_actions',
+    ];
+  }
+
+  /**
+   * Pre render callback for #type 'paragraphs_actions'.
+   *
+   * @param array $element
+   *   Element arrar of a #type 'paragraphs_actions'.
+   *
+   * @return array
+   *   The processed element.
+   */
+  public static function preRenderParagraphsActions(array $element) {
+    $element['#attached']['library'][] = 'paragraphs/drupal.paragraphs.actions';
+
+    if (!empty($element['dropdown_actions'])) {
+      foreach (Element::children($element['dropdown_actions']) as $key) {
+        $dropdown_action = &$element['dropdown_actions'][$key];
+        if (isset($dropdown_action['#ajax'])) {
+          $dropdown_action = RenderElement::preRenderAjaxForm($dropdown_action);
+        }
+        if (empty($dropdown_action['#attributes'])) {
+          $dropdown_action['#attributes'] = ['class' => ['paragraphs-dropdown-action']];
+        }
+        else {
+          $dropdown_action['#attributes']['class'][] = 'paragraphs-dropdown-action';
+        }
+      }
+    }
+
+    return $element;
+  }
+
+}