first import

sites/all/modules/quicktabs/plugins/QuickQtabsContent.inc

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * Class for tab content of type "qtabs" - this is for rendering a QuickSet instance
+ * as the tab content of another QuickSet instance.
+ */
+class QuickQtabsContent extends QuickContent {
+  
+  public static function getType() {
+    return 'qtabs';
+  }
+  
+  public function optionsForm($delta, $qt) {
+    $tab = $this->settings;
+    $form = array();
+    $tab_options = array();
+    foreach (quicktabs_load_multiple() as $machine_name => $info) {
+      // Do not offer the option to put a tab inside itself.
+      if (!isset($qt->machine_name) || $machine_name != $qt->machine_name) {
+        $tab_options[$machine_name] = $info->title;
+      }
+    }
+    $form['qtabs']['machine_name'] = array(
+      '#type' => 'select',
+      '#title' => t('Quicktabs instance'),
+      '#description' => t('The Quicktabs instance to put inside this tab.'),
+      '#options' => $tab_options,
+      '#default_value' => isset($tab['machine_name']) ? $tab['machine_name'] : '',
+    );
+    return $form;
+  }
+
+  public function render($hide_empty = FALSE, $args = array()) {
+    if ($this->rendered_content) {
+      return $this->rendered_content;
+    }
+    $item = $this->settings;
+    if (!empty($args)) {
+      // The args have been passed in from an ajax request.
+      // The first element of the args array is the qt_name, which we don't need
+      // for this content type.
+      array_shift($args);
+      $item['machine_name'] = $args[0];
+    }
+
+    $output = array();
+    if (isset($item['machine_name'])) {
+      if ($quicktabs = quicktabs_load($item['machine_name'])) {
+        $contents = $quicktabs->tabs;
+        $name = $quicktabs->machine_name;
+        unset($quicktabs->tabs, $quicktabs->machine_name);
+        $options = (array) $quicktabs;
+        if ($qt = QuickSet::QuickSetRendererFactory($name, $contents, $quicktabs->renderer, $options)) {
+          $output = $qt->render();
+        }
+      }
+    }
+    $this->rendered_content = $output;
+    return $output;
+  }
+
+  public function getAjaxKeys() {
+    return array('machine_name');
+  }
+}