From e06da1d7c35b2117d2086ee0dc277b3383a6cedc Mon Sep 17 00:00:00 2001
From: David Rothstein <drothstein@gmail.com>
Date: Sun, 3 Jul 2016 17:07:16 -0400
Subject: [PATCH] Issue #1116326 by s_leu, yannickoo, dawehner, nod_, pwolanin,
 David_Rothstein, ksenzee, realityloop, miro_dietiker, broeker, mariagwyn,
 Christian DeLoach: Support admin overlay in exposed forms

---
 CHANGELOG.txt                  |  3 +++
 modules/overlay/overlay.module | 14 ++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 830a0aef5d9..ce884443448 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -47,6 +47,9 @@ Drupal 7.50, xxxx-xx-xx (development version)
   broke contributed modules that override the "admin/people" page.
 - Fixed a bug which caused ip_address() to return nothing when the client IP
   address and proxy IP address are the same.
+- Made method="get" forms work inside the administrative overlay. The fix adds
+  a new hidden field to these forms when they appear inside the overlay (minor
+  data structure change).
 
 Drupal 7.44, 2016-06-15
 -----------------------
diff --git a/modules/overlay/overlay.module b/modules/overlay/overlay.module
index 7b2fc939390..7e54734ebf6 100644
--- a/modules/overlay/overlay.module
+++ b/modules/overlay/overlay.module
@@ -78,6 +78,20 @@ function overlay_theme() {
   );
 }
 
+/**
+ * Implements hook_form_alter().
+ */
+function overlay_form_alter(&$form, &$form_state) {
+  // Add a hidden element to prevent dropping out of the overlay when a form is
+  // submitted inside the overlay using a GET method.
+  if (isset($form['#method']) && $form['#method'] == 'get' && isset($_REQUEST['render']) && $_REQUEST['render'] == 'overlay' && !isset($form['render'])) {
+    $form['render'] = array(
+      '#type' => 'hidden',
+      '#value' => 'overlay',
+    );
+  }
+}
+
 /**
  * Implements hook_form_FORM_ID_alter().
  */