--- /dev/null
+<?php
+
+namespace Drupal\off_canvas_test\Controller;
+
+use Drupal\Component\Serialization\Json;
+use Drupal\Core\Url;
+
+/**
+ * Test controller for 2 different responses.
+ */
+class TestController {
+
+ /**
+ * Thing1.
+ *
+ * @return string
+ * Return Hello string.
+ */
+ public function thing1() {
+ return [
+ '#type' => 'markup',
+ '#markup' => 'Thing 1 says hello',
+ ];
+ }
+
+ /**
+ * Thing2.
+ *
+ * @return string
+ * Return Hello string.
+ */
+ public function thing2() {
+ return [
+ '#type' => 'markup',
+ '#markup' => 'Thing 2 says hello',
+ ];
+ }
+
+ /**
+ * Displays test links that will open in off-canvas dialog.
+ *
+ * @return array
+ * Render array with links.
+ */
+ public function linksDisplay() {
+ return [
+ 'off_canvas_link_1' => [
+ '#title' => 'Click Me 1!',
+ '#type' => 'link',
+ '#url' => Url::fromRoute('off_canvas_test.thing1'),
+ '#attributes' => [
+ 'class' => ['use-ajax'],
+ 'data-dialog-type' => 'dialog',
+ 'data-dialog-renderer' => 'off_canvas',
+ ],
+ ],
+ 'off_canvas_link_2' => [
+ '#title' => 'Click Me 2!',
+ '#type' => 'link',
+ '#url' => Url::fromRoute('off_canvas_test.thing2'),
+ '#attributes' => [
+ 'class' => ['use-ajax'],
+ 'data-dialog-type' => 'dialog',
+ 'data-dialog-renderer' => 'off_canvas',
+ 'data-dialog-options' => Json::encode([
+ 'width' => 555,
+ ]),
+ ],
+ ],
+ 'other_dialog_links' => [
+ '#title' => 'Display more links!',
+ '#type' => 'link',
+ '#url' => Url::fromRoute('off_canvas_test.dialog_links'),
+ '#attributes' => [
+ 'class' => ['use-ajax'],
+ 'data-dialog-type' => 'dialog',
+ 'data-dialog-renderer' => 'off_canvas',
+ ],
+ ],
+ '#attached' => [
+ 'library' => [
+ 'core/drupal.dialog.ajax',
+ ],
+ ],
+ ];
+ }
+
+ /**
+ * Displays dialogs links to be displayed inside the off-canvas dialog.
+ *
+ * This links are used to test opening a modal and another off_canvas link from
+ * inside the off-canvas dialog.
+ *
+ * @todo Update tests to check these links work in the off-canvas dialog.
+ * https://www.drupal.org/node/2790073
+ *
+ * @return array
+ * Render array with links.
+ */
+ public function otherDialogLinks() {
+ return [
+ '#theme' => 'links',
+ '#links' => [
+ 'modal_link' => [
+ 'title' => 'Open modal!',
+ 'url' => Url::fromRoute('off_canvas_test.thing2'),
+ 'attributes' => [
+ 'class' => ['use-ajax'],
+ 'data-dialog-type' => 'modal',
+ ],
+ ],
+ 'off_canvas_link' => [
+ 'title' => 'Off_canvas link!',
+ 'url' => Url::fromRoute('off_canvas_test.thing2'),
+ 'attributes' => [
+ 'class' => ['use-ajax'],
+ 'data-dialog-type' => 'dialog',
+ 'data-dialog-renderer' => 'off_canvas',
+ ],
+ ],
+ ],
+ ];
+ }
+
+}