[LON-CAPA-cvs] cvs: loncom /interface lonhelp.pm

[raeburn]

raeburn		Fri May 27 05:09:21 2022 EDT

  Modified files:              
    /loncom/interface	lonhelp.pm 
  Log:
  - Bug 6907
    Include an arrow in header when displaying help document to go back to 
    previous page, when context is LTI Provider, or deep-linked, and display
    is embedded in another web page.
  
  
Index: loncom/interface/lonhelp.pm
diff -u loncom/interface/lonhelp.pm:1.46 loncom/interface/lonhelp.pm:1.47
--- loncom/interface/lonhelp.pm:1.46	Sat Apr  1 13:55:32 2017
+++ loncom/interface/lonhelp.pm	Fri May 27 05:09:21 2022
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonhelp.pm,v 1.46 2017/04/01 13:55:32 raeburn Exp $
+# $Id: lonhelp.pm,v 1.47 2022/05/27 05:09:21 raeburn Exp $
 #
 # .tex help system web server handler
 #
@@ -71,9 +71,16 @@
                                            search  => 'Search LON-CAPA help',
                                            query   => 'Search',
                                         );
+    my $goback;
+    if ((($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) ||
+        (($env{'request.deeplink.login'}) && ($env{'request.deeplink.target'} eq '_self'))) {
+        $goback = '<a href="javascript:history.go(-1);" class="LC_menubuttons_link" title="Go Back">'.
+                  '<img src="/res/adm/pages/tolastloc.png" alt="'.&mt('Go Back').'" class="LC_icon" border="0" />'.
+                  '</a> ';
+    }
     $r->print(<<HEADER);
     <h3 style="font: sans-serif"><img align="right" alt="help logo"
-    src="/adm/help/gif/lonhelpheader.gif" />$lt{'header'}</h3><hr />
+    src="/adm/help/gif/lonhelpheader.gif" />$goback$lt{'header'}</h3><hr />
     <!-- BEGIN -->
 HEADER
     if ($is_mobile) {