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diff --git a/web/modules/contrib/draggableviews/src/DraggableViews.php b/web/modules/contrib/draggableviews/src/DraggableViews.php
new file mode 100644
index 000000000..da5e99dcb
--- /dev/null
+++ b/web/modules/contrib/draggableviews/src/DraggableViews.php
@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\draggableviews\DraggableViews class.
+ */
+
+namespace Drupal\draggableviews;
+
+use Drupal\views\ViewExecutable;
+use Drupal\Component\Utility\Html;
+
+/**
+ * Class DraggableViews.
+ */
+class DraggableViews {
+
+  /**
+   * The view.
+   *
+   * @var \Drupal\views\ViewExecutable $view
+   */
+  public $view;
+
+  /**
+   * Constructs DraggableViewsRows object.
+   *
+   * @param \Drupal\views\ViewExecutable $view
+   *   Views object.
+   */
+  public function __construct(ViewExecutable $view) {
+    $this->view = $view;
+  }
+
+  /**
+   * Get index by name and id.
+   */
+  public function getIndex($name, $id) {
+    foreach ($this->view->result as $item) {
+      if ($item->$name == $id) {
+        return $item->index;
+      }
+    }
+    return FALSE;
+  }
+
+  /**
+   * Get depth by index.
+   */
+  public function getDepth($index) {
+    if (!isset($this->view->result[$index])) {
+      return FALSE;
+    }
+    $row = $this->view->result[$index];
+    // If parent is available, set parent's depth +1.
+    return (!empty($row->draggableviews_structure_parent)) ? $this->getDepth($this->getIndex('nid', $row->draggableviews_structure_parent)) + 1 : 0;
+  }
+
+  /**
+   * Get parent by index.
+   */
+  public function getParent($index) {
+    return isset($this->view->result[$index]->draggableviews_structure_parent) ? $this->view->result[$index]->draggableviews_structure_parent : 0;
+  }
+
+  /**
+   * Get ancestor by index.
+   */
+  public function getAncestor($index) {
+    $row = $this->view->result[$index];
+    return !empty($row->draggableviews_structure_parent) ? $this->getAncestor($this->getIndex('nid', $row->draggableviews_structure_parent)) : $index;
+  }
+
+  /**
+   * Return value by it's name and index.
+   */
+  public function getValue($name, $index) {
+    return $this->view->result[$index]->$name;
+  }
+
+  /**
+   * Get HTML id for draggableviews table.
+   */
+  public function getHtmlId() {
+    return Html::getId('draggableviews-table-' . $this->view->id() . '-' . $this->view->current_display);
+  }
+
+}