--- loncom/interface/lonquickgrades.pm	2007/12/20 10:18:19	1.41
+++ loncom/interface/lonquickgrades.pm	2018/09/11 02:44:58	1.49.6.4
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Quick Student Grades Display
 #
-# $Id: lonquickgrades.pm,v 1.41 2007/12/20 10:18:19 bisitz Exp $
+# $Id: lonquickgrades.pm,v 1.49.6.4 2018/09/11 02:44:58 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -25,17 +25,17 @@
 #
 # http://www.lon-capa.org/
 #
-# Created Nov. 14, 2002 by Jeremy Bowers
 
 package Apache::lonquickgrades;
 
 use strict;
-use Apache::Constants qw(:common :http);
+use Apache::Constants qw(:common :http REDIRECT);
 use POSIX;
 use Apache::loncommon;
 use Apache::lonlocal;
 use Apache::lonnet;
 use Apache::grades;
+use Apache::lonuserstate;
 
 sub handler {
     my $r = shift;
@@ -58,14 +58,79 @@ sub real_handler {
         return OK;
     }
 
-    # Send header, don't cache this page
-    &Apache::loncommon::no_cache($r);
-    $r->send_http_header;
-
-    my $showPoints = 
+    my $showPoints =
         $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'standard';
+
+    my $reinitresult;
+
+    unless (&Apache::lonnet::allowed('mgr')) {
+        # Check for critical messages and redirect if present.
+        my ($redirect,$url) = &Apache::loncommon::critical_redirect(300);
+        if ($redirect) {
+            &Apache::loncommon::content_type($r,'text/html');
+            $r->header_out(Location => $url);
+            return REDIRECT;
+        }
+
+        # Check if course needs to be re-initialized
+        my $loncaparev = $r->dir_config('lonVersion');
+        ($reinitresult,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev);
+
+        if ($reinitresult eq 'switch') {
+            &Apache::loncommon::content_type($r,'text/html');
+            $r->send_http_header;
+            $r->print(&Apache::loncommon::check_release_result(@reinit));
+            return OK;
+        } elsif ($reinitresult eq 'update') {
+            my $cid = $env{'request.course.id'};
+            my $cnum = $env{'course.'.$cid.'.num'};
+            my $cdom = $env{'course.'.$cid.'.domain'};
+            &Apache::loncommon::content_type($r,'text/html');
+            $r->send_http_header;
+            &startpage($r,$showPoints);
+            my $preamble = '<div id="LC_update_'.$cid.'" class="LC_info">'.
+                           '<br />'.
+                           &mt('Your course session is being updated because of recent changes by course personnel.').
+                           ' '.&mt('Please be patient.').'<br /></div>'.
+                           '<div style="padding:0;clear:both;margin:0;border:0"></div>';
+            %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble);
+            &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course'));
+            $r->rflush();
+            my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
+            &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished'));
+            &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+            my $closure = <<ENDCLOSE;
+<script type="text/javascript">
+// <![CDATA[
+\$("#LC_update_$cid").hide('slow');
+// ]]>
+</script>
+ENDCLOSE
+            if ($ferr) {
+                $r->print($closure.&Apache::loncommon::end_page());
+                my $requrl = $r->uri;
+                $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
+                $env{'user.reinit'} = 1;
+                return HTTP_NOT_ACCEPTABLE;
+            } else {
+               $r->print($closure);
+            }
+        }
+    }
+
+    unless ($reinitresult eq 'update') {
+        # Send header, don't cache this page
+        &Apache::loncommon::no_cache($r);
+        $r->send_http_header;
+        &startpage($r,$showPoints);
+    }
+    $r->rflush();
+
     my $notshowSPRSlink = 
-        $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external';
+        (($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'external')
+      || ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals'));
+    my $notshowTotals=
+        $env{'course.'.$env{'request.course.id'}.'.grading'} eq 'externalnototals';
 
     # Create the nav map
     my $navmap = Apache::lonnavmaps::navmap->new();
@@ -80,19 +145,16 @@ sub real_handler {
     # should match color/icon
     my $res = $navmap->firstResource(); # temp resource to access constants
  
-    # Header
-    my $title = $showPoints ? "Points Display" : "Completed Problems Display";
-    $r->print(&Apache::loncommon::start_page($title));
-
     if (!$showPoints && !$notshowSPRSlink ) {
-        $r->print(<<HEADER); 
-<p>This screen shows how many problems (or problem parts) you have completed, and
-how many you have not yet done. You can also look at <a href="/adm/studentcalc">a detailed
-score sheet</a>.</p>
-HEADER
+        $r->print('<p>'
+                 .&mt('This screen shows how many problems (or problem parts) you have completed'
+                     .', and how many you have not yet done.'
+                     .' You can also look at [_1]a detailed score sheet[_2].'
+                     ,'<a href="/adm/studentcalc">','</a>')
+                 .'</p>');
     }
 
-    $r->print(&mt('This may take a few moments to display.'));
+    $r->print('<p class="LC_info">'.&mt('This may take a few moments to display.').'</p>');
 
     $r->rflush();
 
@@ -145,7 +207,8 @@ HEADER
 		    my $score = 0;
 		    # If we're not telling status and the answer date isn't passed yet, 
 		    # it's an "attempted" point
-		    if ($curRes->problemstatus($part) eq 'no' &&
+		    if ((($curRes->problemstatus($part) eq 'no') ||
+                        ($curRes->problemstatus($part) eq 'no_feedback_ever')) &&
 			($dateStatus != $curRes->ANSWER_OPEN)) {
 			my $status = $curRes->simpleStatus($part);
 			if ($status == $curRes->ATTEMPTED) {
@@ -222,14 +285,15 @@ HEADER
     my $indentString = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
 
     # Second pass: Print the maps.
-    $r->print('<table cellspacing="3" border="2"><tr><td align="center"><b>' .
-	      &mt('Folder') . '</b></td>');
+    $r->print(&Apache::loncommon::start_data_table()
+             .&Apache::loncommon::start_data_table_header_row()
+             .'<th>'.&mt('Folder').'</th>');
     $title = &mt($showPoints ? "Points Scored" : "Done");
     if ($totalAttempted) {
 	$title .= " / " . &mt("Attempted");
     }
-    $r->print("<td align='center'>$title / "
-	      . &mt('Total') . "</td><tr>\n\n");
+    $r->print("<th>$title".($notshowTotals?'':" / ".&mt('Total')).'</th>'
+             .&Apache::loncommon::end_data_table_header_row());
     while ($depth > 0) {
         if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
         if ($curRes == $iterator->END_MAP()) { $depth--; }
@@ -244,17 +308,29 @@ HEADER
             if ($total > 0) {
                 my $ratio;
                 $ratio = $correct / $total;
-                my $color = mixColors(\@start, \@end, $ratio);
-                $r->print("<tr><td bgcolor='$color'>");
+                my $color = &mixColors(\@start, \@end, $ratio);
+                $r->print(&Apache::loncommon::start_data_table_row()
+                         .'<td style="background-color:'.$color.';">');
                 
 		my $thisIndent = '';
                 for (my $i = 1; $i < $depth; $i++) { $thisIndent .= $indentString; }
                 
                 $r->print("$thisIndent$title</td>");
 		if ($totalAttempted) {
-		    $r->print("<td valign='top'>$thisIndent<nobr>$correct / $attempted / $total</nobr></td></tr>\n");
+		    $r->print('<td valign="top">'
+                             .$thisIndent
+                             .'<span class="LC_nobreak">'
+                             .$correct.' / '.$attempted.($notshowTotals?'':' / '.$total)
+                             .'</span></td>'
+                             .&Apache::loncommon::end_data_table_row()
+                    );
 		} else {
-		    $r->print("<td valign='top'>$thisIndent<nobr>$correct / $total</nobr></td></tr>\n");
+		    $r->print('<td valign="top">'
+                             .$thisIndent
+                             .'<span class="LC_nobreak">'
+                             .$correct.($notshowTotals?'':' / '.$total)
+                             .'</span></td>'
+                             .&Apache::loncommon::end_data_table_row());
 		}
             }
         }
@@ -265,28 +341,42 @@ HEADER
     # If there were any problems at the top level, print an extra "catchall"
     if ($topLevelParts > 0) {
         my $ratio = $topLevelRight / $topLevelParts;
-        my $color = mixColors(\@start, \@end, $ratio);
-        $r->print("<tr><td bgcolor='$color'>");
+        my $color = &mixColors(\@start, \@end, $ratio);
+        $r->print(&Apache::loncommon::start_data_table_row()
+                 .'<td style="background-color:'.$color.';">');
         $r->print(&mt("Problems Not Contained In A Folder")."</td><td>");
-        $r->print("$topLevelRight / $topLevelParts</td></tr>");
+        $r->print("$topLevelRight / $topLevelParts</td>"
+                 .&Apache::loncommon::end_data_table_row());
     }
 
     if ($showPoints) {
-	my $maxHelpLink = Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
+	my $maxHelpLink = &Apache::loncommon::help_open_topic("Quick_Grades_Possibly_Correct");
 
 	$title = $showPoints ? "Points" : "Parts Done";
 	my $totaltitle = $showPoints ? &mt("Awarded Total Points") : &mt("Total Parts Done");
-	$r->print("<tr><td colspan='2' align='right'>$totaltitle: <b>$totalRight</b><br>");
-	$r->print(&mt("Max Possible To Date")." $maxHelpLink: <b>$totalPossible</b><br>");
+	$r->print(&Apache::loncommon::start_data_table_row()
+                 .'<td colspan="2" align="right">'.$totaltitle.': <b>'.$totalRight.'</b><br />');
+	$r->print(&mt('Max Possible To Date')." $maxHelpLink: <b>$totalPossible</b><br />");
 	$title = $showPoints ? "Points" : "Parts";
-	$r->print(&mt("Total $title In Course").": <b>$totalParts</b></td></tr>\n\n");
+	$r->print(&mt("Total $title In Course").': <b>'.$totalParts.'</b></td>'
+                 .&Apache::loncommon::end_data_table_row());
     }
 
-    $r->print("</table>".&Apache::loncommon::end_page());
+    $r->print(&Apache::loncommon::end_data_table()
+             .&Apache::loncommon::end_page());
 
     return OK;
 }
 
+sub startpage {
+    my ($r,$showPoints) = @_;
+    my $title = "Grading and Statistics";#$showPoints ? "Points Display" : "Completed Problems Display";
+    my $brcrum = [{href=>"/adm/quickgrades",text => "Points Display"}];
+    $r->print(&Apache::loncommon::start_page($title,undef,
+                                            {'bread_crumbs' => $brcrum})
+             );
+}
+
 # Pass this two refs to arrays for the start and end color, and a number
 # from 0 to 1 for how much of the latter you want to mix in. It will
 # return a string ready to show ("#FFC309");