--- loncom/interface/statistics/lonstudentassessment.pm	2003/06/11 15:04:55	1.57
+++ loncom/interface/statistics/lonstudentassessment.pm	2003/09/30 11:41:06	1.68
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstudentassessment.pm,v 1.57 2003/06/11 15:04:55 matthew Exp $
+# $Id: lonstudentassessment.pm,v 1.68 2003/09/30 11:41:06 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -138,8 +138,21 @@ Inputs:
 #######################################################
 sub BuildStudentAssessmentPage {
     my ($r,$c)=@_;
+
     undef($Statistics);
+    undef($show_links);
+    undef($output_mode);
+    undef($data);
+    undef($base);
+    undef($datadescription);
+    undef($single_student_mode);
+
+    $single_student_mode = 0;
     $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
+    if ($ENV{'form.selectstudent'}) {
+        &Apache::lonstatistics::DisplayClasslist($r);
+        return;
+    }
     #
     # Print out the HTML headers for the interface
     #    This also parses the output mode selector
@@ -149,6 +162,7 @@ sub BuildStudentAssessmentPage {
     $r->print('<input type="hidden" name="sort" value="'.
               $ENV{'form.sort'}.'" />');
     $r->rflush();
+    #
     if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
         return;
     }
@@ -292,8 +306,12 @@ sub CreateInterface {
     $Str .= '<td align="center"><b>Student Data</b></td>';
     $Str .= '<td align="center"><b>Enrollment Status</b></td>';
     $Str .= '<td align="center"><b>Sequences and Folders</b></td>';
-    $Str .= '<td align="center"><b>Output Format</b></td>';
-    $Str .= '<td align="center"><b>Output Data</b></td>';
+    $Str .= '<td align="center"><b>Output Format</b>'.
+        &Apache::loncommon::help_open_topic("Chart_Output_Formats").
+        '</td>';
+    $Str .= '<td align="center"><b>Output Data</b>'.
+        &Apache::loncommon::help_open_topic("Chart_Output_Data").
+        '</td>';
     $Str .= '</tr>'."\n";
     #
     $Str .= '<tr><td align="center">'."\n";
@@ -321,7 +339,13 @@ sub CreateInterface {
     $Str .= '</td></tr>'."\n";
     $Str .= '</table>'."\n";
     $Str .= '<input type="submit" value="Generate Chart" />';
-    $Str .= '&nbsp;'x8;
+    $Str .= '&nbsp;'x5;
+    $Str .= '<input type="submit" name="selectstudent" '.
+                                  'value="Select One Student" />';
+    $Str .= '&nbsp;'x5;
+    $Str .= '<input type="submit" name="ClearCache" value="Clear Caches" />';
+    $Str .= '&nbsp;'x5;
+    $Str .= '<br />';
     return $Str;
 }
 
@@ -379,7 +403,7 @@ my @OutputOptions =
 
 sub OutputDescriptions {
     my $Str = '';
-    $Str .= "<h2>Output Modes</h2>\n";
+    $Str .= "<h2>Output Formats</h2>\n";
     $Str .= "<dl>\n";
     foreach my $outputmode (@OutputOptions) {
 	$Str .="    <dt>".$outputmode->{'name'}."</dt>\n";
@@ -489,6 +513,7 @@ my @OutputDataOptions =
 
 sub HTMLifyOutputDataDescriptions {
     my $Str = '';
+    $Str .= "<h2>Output Data</h2>\n";
     $Str .= "<dl>\n";
     foreach my $option (@OutputDataOptions) {
         $Str .= '    <dt>'.$option->{'name'}.'</dt>';
@@ -566,6 +591,7 @@ sub html_initialize {
     $padding = ' 'x3;
     $count = 0;
     $nodata_count = 0;
+    undef(%prog_state);
     #
     $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
               "&nbsp;&nbsp;".localtime(time)."</h3>");
@@ -817,7 +843,14 @@ my $request_aborted;
 sub excel_initialize {
     my ($r) = @_;
     #
-    $request_aborted = undef;
+    undef ($excel_sheet);
+    undef ($excel_workbook);
+    undef ($filename);
+    undef ($rows_output);
+    undef ($cols_output);
+    undef (%prog_state);
+    undef ($request_aborted);
+    #
     my $total_columns = scalar(&get_student_fields_to_show());
     foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
         # Add 2 because we need a 'sum' and 'total' column for each
@@ -898,9 +931,7 @@ END
     #
     # Add a worksheet
     my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
-    if (length($sheetname) > 31) {
-        $sheetname = substr($sheetname,0,31);
-    }
+    $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
     $excel_sheet = $excel_workbook->addworksheet($sheetname);
     #
     # Put the course description in the header
@@ -1041,6 +1072,8 @@ END
         ($r,'Excel File Compilation Status',
          'Excel File Compilation Progress', $studentcount);
     #
+    &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
+                                          'Processing first student');
     return;
 }
 
@@ -1152,8 +1185,9 @@ sub csv_initialize{
     my ($r) = @_;
     # 
     # Clean up
-    $filename = undef;
-    $outputfile = undef;
+    undef($outputfile);
+    undef($filename);
+    undef($request_aborted);
     undef(%prog_state);
     #
     # Deal with unimplemented requests
@@ -1371,7 +1405,8 @@ sub StudentTriesOnSequence {
                 } elsif ($status eq 'excused') {
                     $symbol = 'x';
                     $max--;
-                } elsif ($status eq 'correct_by_student' &&
+                } elsif (($status eq 'correct_by_scantron' ||
+                          $status eq 'correct_by_student') &&
                     exists($resource_data->{'resource.'.$partnum.'.tries'})){
                     $tries = $resource_data->{'resource.'.$partnum.'.tries'};
                     if ($tries > 9) {
@@ -1410,7 +1445,7 @@ sub StudentTriesOnSequence {
                 $symbol = '<a href="/adm/grades'.
                     '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
                         '&student='.$student->{'username'}.
-                            '&domain='.$student->{'domain'}.
+                            '&userdom='.$student->{'domain'}.
                                 '&command=submission">'.$symbol.'</a>';
             }
             $value .= $symbol;
@@ -1478,11 +1513,12 @@ sub StudentPerformanceOnSequence {
             my $awarded = 0;
             if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
                 $awarded = $resource_data->{'resource.'.$part.'.awarded'};
+                $awarded = 0 if (! $awarded);
             }
             #
             $partscore = $weight*$awarded;
             $score += $partscore;
-            $symbol = $weight; 
+            $symbol = $partscore; 
             if (length($symbol) > 1) {
                 $symbol = '*';
             }
@@ -1501,19 +1537,20 @@ sub StudentPerformanceOnSequence {
                 }
             }
             #
+            if (! defined($partscore)) {
+                $partscore = $symbol;
+            }
+            push (@ScoreData,$partscore);
+            #
             if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
                 $symbol = '<a href="/adm/grades'.
                     '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
                     '&student='.$student->{'username'}.
-                    '&domain='.$student->{'domain'}.
+                    '&userdom='.$student->{'domain'}.
                     '&command=submission">'.$symbol.'</a>';
             }
-            if (! defined($partscore)) {
-                $partscore = $symbol;
-            }
-            push (@ScoreData,$partscore);
+            $Str .= $symbol;
         }
-        $Str .= $symbol;
     }
     return ($Str,$performance_length,$score,$max,\@ScoreData);
 }