--- loncom/interface/loncommon.pm	2022/06/11 14:51:49	1.1384
+++ loncom/interface/loncommon.pm	2022/08/24 20:58:50	1.1386
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1384 2022/06/11 14:51:49 raeburn Exp $
+# $Id: loncommon.pm,v 1.1386 2022/08/24 20:58:50 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5998,7 +5998,7 @@ sub get_domainconf {
                                 foreach my $host (keys(%{$domconfig{'login'}{$key}})) {
                                     if (ref($domconfig{'login'}{$key}{$host}) eq 'HASH') {
                                         $designhash{$udom.'.login.'.$key.'_'.$host} = 1;
-                                        foreach my $item ('text','img','alt','url','title','notsso') {
+                                        foreach my $item ('text','img','alt','url','title','window','notsso') {
                                             $designhash{$udom.'.login.'.$key.'_'.$item.'_'.$host} = $domconfig{'login'}{$key}{$host}{$item};
                                         }
                                     }
@@ -6377,6 +6377,21 @@ Inputs:
             context, this will contain a reference to hash of items
             to be included in the page header and/or inline menu.
 
+=item * $menucoll, optional argument, if specific menu collection is in
+            effect, either set as the default for the course, or set for
+            the deeplink paramater for $env{'request.deeplink.login'}
+            then $menucoll will be the number of that collection. 
+
+=item * $menuref, optional argument, reference to a hash, containing the
+            menu options included for the menu in effect, based on the
+            configuration for the numbered menu collection in use.  
+
+=item * $showncrumbsref, reference to a scalar. Calls to lonmenu::innerregister
+            within &bodytag() can result in calls to lonhtmlcommon::breadcrumbs(),
+            if so, $showncrumbsref is set there to 1, and will propagate back
+            via &bodytag() to &start_page(), to prevent lonhtmlcommon::breadcrumbs()
+            being called a second time.
+
 =back
 
 Returns: A uniform header for LON-CAPA web pages.  
@@ -6389,7 +6404,7 @@ other decorations will be returned.
 sub bodytag {
     my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
         $no_nav_bar,$bgcolor,$args,$advtoolsref,$ltiscope,$ltiuri,
-        $ltimenu,$menucoll,$menuref)=@_;
+        $ltimenu,$menucoll,$menuref,$showncrumbsref)=@_;
 
     my $public;
     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
@@ -6570,12 +6585,12 @@ sub bodytag {
             $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
             if ($env{'request.state'} eq 'construct') {
                 $bodytag .= &Apache::lonmenu::innerregister($forcereg,
-                                $args->{'bread_crumbs'},'','',$hostname,$ltiscope,$ltiuri);
+                                $args->{'bread_crumbs'},'','',$hostname,
+                                $ltiscope,$ltiuri,$showncrumbsref);
             } elsif ($forcereg) {
                 $bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
-                                                            $args->{'group'},
-                                                            $args->{'hide_buttons'},
-                                                            $hostname,$ltiscope,$ltiuri);
+                                $args->{'group'},$args->{'hide_buttons'},
+                                $hostname,$ltiscope,$ltiuri,$showncrumbsref);
             } else {
                 $bodytag .= 
                     &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
@@ -6659,8 +6674,38 @@ sub endbodytag {
     }
     if ( exists( $env{'internal.head.redirect'} ) ) {
         if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
+            my ($endbodyjs,$idattr);
+            if ($env{'internal.head.to_opener'}) {
+                my $linkid = 'LC_continue_link';
+                $idattr = ' id="'.$linkid.'"';
+                my $redirect_for_js = &js_escape($env{'internal.head.redirect'});
+                $endbodyjs=<<ENDJS;
+<script type="text/javascript">
+// <![CDATA[
+function ebFunction(evt) {
+    evt.preventDefault();
+    var dest = '$redirect_for_js';
+    if (window.opener != null && !window.opener.closed) {
+        window.opener.location.href=dest;
+        window.close();
+    } else {
+        window.location.href=dest;
+    }
+    return false;
+}
+
+\$(document).ready(function () {
+  if (document.getElementById('$linkid')) {
+    var clickelem = document.getElementById('$linkid');
+    clickelem.addEventListener('click',ebFunction,false);
+  }
+});
+// ]]>
+</script>
+ENDJS
+            }
 	    $endbodytag=
-	        "<br /><a href=\"$env{'internal.head.redirect'}\">".
+	        "$endbodyjs<br /><a href=\"$env{'internal.head.redirect'}\"$idattr>".
 	        &mt('Continue').'</a>'.
 	        $endbodytag;
         }
@@ -8830,7 +8875,12 @@ Inputs: $title - optional title for the
                                    3- whether the side effect should occur
                            (side effect of setting 
                                $env{'internal.head.redirect'} to the url 
-                               redirected too)
+                               redirected to)
+                                   4- whether the redirect target should be
+                                      the opener of the current (pop-up)
+                                      window (side effect of setting
+                                      $env{'internal.head.to_opener'} to
+                                      1, if true.
             domain         -> force to color decorate a page for a specific
                                domain
             function       -> force usage of a specific rolish color scheme
@@ -8893,15 +8943,43 @@ sub headtag {
         }
     }
     if (ref($args->{'redirect'})) {
-	my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
+	my ($time,$url,$inhibit_continue,$to_opener) = @{$args->{'redirect'}};
 	$url = &Apache::lonenc::check_encrypt($url);
 	if (!$inhibit_continue) {
 	    $env{'internal.head.redirect'} = $url;
 	}
-	$result.=<<ADDMETA
+	$result.=<<"ADDMETA";
 <meta http-equiv="pragma" content="no-cache" />
+ADDMETA
+        if ($to_opener) {
+            $env{'internal.head.to_opener'} = 1;
+            my $dest = &js_escape($url);
+            my $timeout = int($time * 1000);
+            $result .=<<"ENDJS";
+<script type="text/javascript">
+// <![CDATA[
+function LC_To_Opener() {
+    var dest = '$dest';
+    if (dest != '') {
+        if (window.opener != null && !window.opener.closed) {
+            window.opener.location.href=dest;
+            window.close();
+        } else {
+            window.location.href=dest;
+        }
+    }
+}
+\$(document).ready(function () {
+    setTimeout('LC_To_Opener()',$timeout);
+});
+// ]]>
+</script>
+ENDJS
+        } else {
+            $result.=<<"ADDMETA";
 <meta http-equiv="Refresh" content="$time; url=$url" />
 ADDMETA
+        }
     } else {
         unless (($args->{'frameset'}) || ($args->{'js_ready'}) || ($args->{'only_body'}) || ($args->{'no_nav_bar'})) {
             my $requrl = $env{'request.uri'};
@@ -9338,6 +9416,7 @@ sub start_page {
         }
     }
 
+    my $showncrumbs;
     if (! exists($args->{'skip_phases'}{'body'}) ) {
 	if ($args->{'frameset'}) {
 	    my $attr_string = &make_attr_string($args->{'force_register'},
@@ -9350,7 +9429,8 @@ sub start_page {
                          $args->{'only_body'},      $args->{'domain'},
                          $args->{'force_register'}, $args->{'no_nav_bar'},
                          $args->{'bgcolor'},        $args,
-                         \@advtools,$ltiscope,$ltiuri,\%ltimenu,$menucoll,\%menu);
+                         \@advtools,$ltiscope,$ltiuri,\%ltimenu,$menucoll,
+                         \%menu,\$showncrumbs);
         }
     }
 
@@ -9372,6 +9452,7 @@ sub start_page {
 
     #Breadcrumbs
     if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
+        unless ($showncrumbs) {
 		&Apache::lonhtmlcommon::clear_breadcrumbs();
 		#if any br links exists, add them to the breadcrumbs
 		if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {         
@@ -9394,12 +9475,20 @@ sub start_page {
                 } else {
                     undef($menulink);
                 }
+                my $linkprotout;
+                if ($env{'request.deeplink.login'}) {
+                    my $linkprotout = &Apache::lonmenu::linkprot_exit();
+                    if ($linkprotout) {
+                        &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$linkprotout);
+                    }
+                }
 		#if bread_crumbs_component exists show it as headline else show only the breadcrumbs
 		if(exists($args->{'bread_crumbs_component'})){
 			$result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'},'',$menulink);
                 } else {
 			$result .= &Apache::lonhtmlcommon::breadcrumbs('','',$menulink);
 		}
+        }
     }
     return $result;
 }