--- rat/lonpageflip.pm	2008/11/20 13:11:43	1.76
+++ rat/lonpageflip.pm	2012/05/01 22:51:12	1.80.8.1
@@ -2,7 +2,7 @@
 #
 # Page flip handler
 #
-# $Id: lonpageflip.pm,v 1.76 2008/11/20 13:11:43 jms Exp $
+# $Id: lonpageflip.pm,v 1.80.8.1 2012/05/01 22:51:12 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -27,46 +27,6 @@
 # http://www.lon-capa.org/
 #
 
-=pod
-
-=head1 NAME
-
-Apache::lonpageflip
-
-=head1 SYNOPSIS
-
-Deals with forward, backward, and other page flips.
-
-This is part of the LearningOnline Network with CAPA project
-described at http://www.lon-capa.org.
-
-=head1 OVERVIEW
-
-(empty)
-
-=head1 SUBROUTINES
-
-=over cleanup()
-
-=item addrid()
-
-=item fullmove()
-
-=item hash_src()
-
-=item move()
-
-=item get_next_possible_move()
-
-=item navlaunch()
-
-=item first_accessible_resource()
-
-=item handler()
-
-=back
-
-=cut
 
 
 package Apache::lonpageflip;
@@ -262,15 +222,15 @@ sub navlaunch {
     &Apache::loncommon::content_type($r,'text/html');
     &Apache::loncommon::no_cache($r);
     $r->send_http_header;
-    $r->print(&Apache::loncommon::start_page('Launched'));   
+    $r->print(&Apache::loncommon::start_page('Launched'));
     $r->print(<<ENDNAV);
     <p><a href="/adm/flip?postdata=firstres%3a">Goto first resource</a></p>
     <script type="text/javascript">
-	function collapse() {
-	    menu=window.open("/adm/navmaps?collapseExternal","loncapanav",
-			     "height=600,width=400,scrollbars=1");
-	    this.document.location='/adm/navmaps?turningOffExternal';
-	}
+        function collapse() {
+            menu=window.open("/adm/navmaps?collapseExternal","loncapanav",
+                             "height=600,width=400,scrollbars=1");
+            this.document.location='/adm/navmaps?turningOffExternal';
+        }
     </script>
     <p><a href="javascript:collapse();">Collapse external navigation window</a></p>
 ENDNAV
@@ -288,7 +248,8 @@ sub first_accessible_resource {
 	    my ($name,$value) = split(/=/,$pair);
 	    $args{&unescape($name)} = &unescape($value);
 	}
-        if (!&Apache::lonnet::allowed('bre',$url,$args{'symb'})) {
+        if ((($env{'environment.remotenavmap'} eq 'on') && ($furl =~ m{^/adm/navmaps})) ||
+            (!&Apache::lonnet::allowed('bre',$url,$args{'symb'}))) {
 # Wow, we cannot see this ... move forward to the next one that we can see
 	    my ($newrid,$newmap)=&move($hash{'first_rid'},$hash{'first_mapurl'},'forward');
 # Build the new URL
@@ -365,19 +326,19 @@ sub handler {
             untie %hash;
          } else {
 	    $newloc='/adm/navmaps';
-         }  
-	 if ($newloc eq '/adm/navmaps' && $direction eq 'navlaunch') {
-	     &navlaunch($r);
-	     return OK;
-	 } else {
+         }
+         if (($newloc =~ m{^/adm/navmaps}) && ($direction eq 'navlaunch')) {
+             &navlaunch($r);
+             return OK;
+         } else {
 	     &Apache::loncommon::content_type($r,'text/html');
 	     $r->header_out(Location => 
 			    &Apache::lonnet::absolute_url().$newloc);
 	     
 	     return REDIRECT;
-	 }
+         }
       }
-      $currenturl=~s/^http\:\/\///;
+      $currenturl=~s/^https?\:\/\///;
       $currenturl=~s/^[^\/]+//;
 #
 # Is the current URL on the map? If not, start with last known URL
@@ -392,16 +353,16 @@ sub handler {
          if ($last) {
 	     $currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]);
 	 } else {
-	     if ($direction eq 'return') {
+             if ($direction eq 'return') {
 		 &Apache::loncommon::content_type($r,'text/html');
 		 $r->header_out(Location => 
 				&Apache::lonnet::absolute_url().
 				'/adm/noidea.html');
 		 return REDIRECT;
-	     } else {
-		 &navlaunch($r);
-		 return OK;
-	     }
+             } else {
+                 &navlaunch($r);
+                 return OK;
+             }
          }
       }
 # ------------------------------------------- Do we have any idea where we are?
@@ -489,6 +450,11 @@ sub handler {
                      &Apache::lonnet::appenv({'user.criticalcheck.time'=>time});
 		  }
 
+                  if (($redirecturl =~ m{^/adm/navmaps}) &&
+                      ($env{'environment.remotenavmap'} eq 'on')) {
+                      &navlaunch($r);
+                      return OK;
+                  }
 		  &Apache::loncommon::content_type($r,'text/html');
 		  my $url=&Apache::lonnet::absolute_url().$redirecturl;
 		  $url = &add_get_param($url, { 'symb' => $redirectsymb});
@@ -518,7 +484,7 @@ $start_page
 <p>
 $lt{'pick'}:
 <p>
-<table border=2>
+<table border="2">
 <tr><th>$lt{'titleheader'}</th><th>$lt{'type'}</th></tr>
 ENDSTART
                      foreach my $id (@possibilities) {
@@ -570,6 +536,46 @@ ENDMENU
 1;
 __END__
 
+=pod
+
+=head1 NAME
+
+Apache::lonpageflip
+
+=head1 SYNOPSIS
+
+Deals with forward, backward, and other page flips.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 OVERVIEW
+
+(empty)
+
+=head1 SUBROUTINES
+
+=over cleanup()
+
+=item addrid()
+
+=item fullmove()
+
+=item hash_src()
+
+=item move()
+
+=item get_next_possible_move()
+
+=item navlaunch()
+
+=item first_accessible_resource()
+
+=item handler()
+
+=back
+
+=cut