You have to force the state in DetailView and CallRelatedList:
--- a/CallRelatedList.php
+++ b/CallRelatedList.php
@@ -16,7 +16,7 @@
$action = vtlib_purify($_REQUEST['action']);
$record = vtlib_purify($_REQUEST['record']);
$isduplicate = vtlib_purify($_REQUEST['isDuplicate']);
-
+$singlepane_view = 'true';
if($singlepane_view == 'true' && $action == 'CallRelatedList') {
header("Location:index.php?action=DetailView&module=$currentModule&record=$record&parenttab=$category");
} else {
--- a/DetailView.php
+++ b/DetailView.php
@@ -71,6 +71,7 @@
}
$smarty->assign('IS_REL_LIST', isPresentRelatedLists($currentModule));
+$singlepane_view = 'true';
$smarty->assign('SinglePane_View', $singlepane_view);
if($singlepane_view == 'true') {
Warning!
This is obsolete, you do this now with global variables.
--- a/CallRelatedList.php
+++ b/CallRelatedList.php
@@ -16,7 +16,7 @@
$action = vtlib_purify($_REQUEST['action']);
$record = vtlib_purify($_REQUEST['record']);
$isduplicate = vtlib_purify($_REQUEST['isDuplicate']);
-
+$singlepane_view = 'true';
if($singlepane_view == 'true' && $action == 'CallRelatedList') {
header("Location:index.php?action=DetailView&module=$currentModule&record=$record&parenttab=$category");
} else {
--- a/DetailView.php
+++ b/DetailView.php
@@ -71,6 +71,7 @@
}
$smarty->assign('IS_REL_LIST', isPresentRelatedLists($currentModule));
+$singlepane_view = 'true';
$smarty->assign('SinglePane_View', $singlepane_view);
if($singlepane_view == 'true') {