1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.87 2004/02/11 21:15:01 matthew Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26: # (Navigate problems for statistical reports
27: #
28: #######################################################
29: #######################################################
30:
31: =pod
32:
33: =head1 NAME
34:
35: lonstudentassessment
36:
37: =head1 SYNOPSIS
38:
39: Presents assessment data about a student or a group of students.
40:
41: =head1 Subroutines
42:
43: =over 4
44:
45: =cut
46:
47: #######################################################
48: #######################################################
49:
50: package Apache::lonstudentassessment;
51:
52: use strict;
53: use Apache::lonstatistics;
54: use Apache::lonhtmlcommon;
55: use Apache::loncommon();
56: use Apache::loncoursedata;
57: use Apache::lonnet; # for logging porpoises
58: use Apache::lonlocal;
59: use Spreadsheet::WriteExcel;
60: use Spreadsheet::WriteExcel::Utility();
61:
62: #######################################################
63: #######################################################
64: =pod
65:
66: =item Package Variables
67:
68: =over 4
69:
70: =item $Statistics Hash ref to store student data. Indexed by symb,
71: contains hashes with keys 'score' and 'max'.
72:
73: =cut
74:
75: #######################################################
76: #######################################################
77:
78: my $Statistics;
79:
80: #######################################################
81: #######################################################
82:
83: =pod
84:
85: =item $show_links 'yes' or 'no' for linking to student performance data
86:
87: =item $output_mode 'html', 'excel', or 'csv' for output mode
88:
89: =item $show 'all', 'totals', or 'scores' determines how much data is output
90:
91: =item $single_student_mode evaluates to true if we are showing only one
92: student.
93:
94: =cut
95:
96: #######################################################
97: #######################################################
98: my $show_links;
99: my $output_mode;
100: my $chosen_output;
101: my $single_student_mode;
102:
103: #######################################################
104: #######################################################
105: # End of package variable declarations
106:
107: =pod
108:
109: =back
110:
111: =cut
112:
113: #######################################################
114: #######################################################
115:
116: =pod
117:
118: =item &BuildStudentAssessmentPage()
119:
120: Inputs:
121:
122: =over 4
123:
124: =item $r Apache Request
125:
126: =item $c Apache Connection
127:
128: =back
129:
130: =cut
131:
132: #######################################################
133: #######################################################
134: sub BuildStudentAssessmentPage {
135: my ($r,$c)=@_;
136: #
137: undef($Statistics);
138: undef($show_links);
139: undef($output_mode);
140: undef($chosen_output);
141: undef($single_student_mode);
142: #
143: my %Saveable_Parameters = ('Status' => 'scalar',
144: 'chartoutputmode' => 'scalar',
145: 'chartoutputdata' => 'scalar',
146: 'Section' => 'array',
147: 'StudentData' => 'array',
148: 'Maps' => 'array');
149: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
150: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
151: #
152: &Apache::lonstatistics::PrepareClasslist();
153: #
154: $single_student_mode = 0;
155: $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
156: if ($ENV{'form.selectstudent'}) {
157: &Apache::lonstatistics::DisplayClasslist($r);
158: return;
159: }
160: #
161: # Print out the HTML headers for the interface
162: # This also parses the output mode selector
163: # This step must *always* be done.
164: $r->print(&CreateInterface());
165: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
166: $r->print('<input type="hidden" name="sort" value="'.
167: $ENV{'form.sort'}.'" />');
168: $r->rflush();
169: #
170: if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
171: return;
172: }
173: #
174: my $initialize = \&html_initialize;
175: my $output_student = \&html_outputstudent;
176: my $finish = \&html_finish;
177: #
178: if ($output_mode eq 'excel') {
179: $initialize = \&excel_initialize;
180: $output_student = \&excel_outputstudent;
181: $finish = \&excel_finish;
182: } elsif ($output_mode eq 'csv') {
183: $initialize = \&csv_initialize;
184: $output_student = \&csv_outputstudent;
185: $finish = \&csv_finish;
186: }
187: #
188: if($c->aborted()) { return ; }
189: #
190: # Determine which students we want to look at
191: my @Students;
192: if ($single_student_mode) {
193: @Students = (&Apache::lonstatistics::current_student());
194: $r->print(&next_and_previous_buttons());
195: $r->rflush();
196: } else {
197: @Students = @Apache::lonstatistics::Students;
198: }
199: #
200: # Perform generic initialization tasks
201: # Since we use lonnet::EXT to retrieve problem weights,
202: # to ensure current data we must clear the caches out.
203: # This makes sure that parameter changes at the student level
204: # are immediately reflected in the chart.
205: &Apache::lonnet::clear_EXT_cache_status();
206: #
207: # Clean out loncoursedata's package data, just to be safe.
208: &Apache::loncoursedata::clear_internal_caches();
209: #
210: # Call the initialize routine selected above
211: $initialize->($r);
212: foreach my $student (@Students) {
213: if($c->aborted()) {
214: $finish->($r);
215: return ;
216: }
217: # Call the output_student routine selected above
218: $output_student->($r,$student);
219: }
220: # Call the "finish" routine selected above
221: $finish->($r);
222: #
223: return;
224: }
225:
226: #######################################################
227: #######################################################
228: sub next_and_previous_buttons {
229: my $Str = '';
230: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
231: $ENV{'form.SelectedStudent'}.'" />';
232: #
233: # Build the previous student link
234: my $previous = &Apache::lonstatistics::previous_student();
235: my $previousbutton = '';
236: if (defined($previous)) {
237: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
238: $previousbutton .= '<input type="button" value="'.
239: 'Previous Student ('.
240: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
241: '" onclick="document.Statistics.SelectedStudent.value='.
242: "'".$sname."'".';'.
243: 'document.Statistics.submit();" />';
244: } else {
245: $previousbutton .= '<input type="button" value="'.
246: 'Previous student (none)'.'" />';
247: }
248: #
249: # Build the next student link
250: my $next = &Apache::lonstatistics::next_student();
251: my $nextbutton = '';
252: if (defined($next)) {
253: my $sname = $next->{'username'}.':'.$next->{'domain'};
254: $nextbutton .= '<input type="button" value="'.
255: 'Next Student ('.
256: $next->{'username'}.'@'.$next->{'domain'}.')'.
257: '" onclick="document.Statistics.SelectedStudent.value='.
258: "'".$sname."'".';'.
259: 'document.Statistics.submit();" />';
260: } else {
261: $nextbutton .= '<input type="button" value="'.
262: 'Next student (none)'.'" />';
263: }
264: #
265: # Build the 'all students' button
266: my $all = '';
267: $all .= '<input type="button" value="All Students" '.
268: '" onclick="document.Statistics.SelectedStudent.value='.
269: "''".';'.'document.Statistics.submit();" />';
270: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
271: return $Str;
272: }
273:
274: #######################################################
275: #######################################################
276:
277: sub get_student_fields_to_show {
278: my @to_show = @Apache::lonstatistics::SelectedStudentData;
279: foreach (@to_show) {
280: if ($_ eq 'all') {
281: @to_show = @Apache::lonstatistics::StudentDataOrder;
282: last;
283: }
284: }
285: return @to_show;
286: }
287:
288: #######################################################
289: #######################################################
290:
291: =pod
292:
293: =item &CreateInterface()
294:
295: Called by &BuildStudentAssessmentPage to create the top part of the
296: page which displays the chart.
297:
298: Inputs: None
299:
300: Returns: A string containing the HTML for the headers and top table for
301: the chart page.
302:
303: =cut
304:
305: #######################################################
306: #######################################################
307: sub CreateInterface {
308: my $Str = '';
309: # $Str .= &CreateLegend();
310: $Str .= '<table cellspacing="5">'."\n";
311: $Str .= '<tr>';
312: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
313: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
314: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
315: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
316: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
317: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
318: '</td>';
319: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
320: &Apache::loncommon::help_open_topic("Chart_Output_Data").
321: '</td>';
322: $Str .= '</tr>'."\n";
323: #
324: $Str .= '<tr><td align="center">'."\n";
325: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
326: $Str .= '</td><td align="center">';
327: my $only_seq_with_assessments = sub {
328: my $s=shift;
329: if ($s->{'num_assess'} < 1) {
330: return 0;
331: } else {
332: return 1;
333: }
334: };
335: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
336: 5,undef);
337: $Str .= '</td><td>'."\n";
338: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
339: $Str .= '</td><td>'."\n";
340: $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
341: $only_seq_with_assessments);
342: $Str .= '</td><td>'."\n";
343: $Str .= &CreateAndParseOutputSelector();
344: $Str .= '</td><td>'."\n";
345: $Str .= &CreateAndParseOutputDataSelector();
346: $Str .= '</td></tr>'."\n";
347: $Str .= '</table>'."\n";
348: $Str .= '<input type="submit" name="Generate Chart" value="'.
349: &mt('Generate Chart').'" />';
350: $Str .= ' 'x5;
351: $Str .= '<input type="submit" name="selectstudent" value="'.
352: &mt('Select One Student').'" />';
353: $Str .= ' 'x5;
354: $Str .= '<input type="submit" name="ClearCache" value="'.
355: &mt('Clear Caches').'" />';
356: $Str .= ' 'x5;
357: $Str .= '<br />';
358: return $Str;
359: }
360:
361: #######################################################
362: #######################################################
363:
364: =pod
365:
366: =item &CreateAndParseOutputSelector()
367:
368: =cut
369:
370: #######################################################
371: #######################################################
372: my @OutputOptions =
373: ({ name => 'HTML, with links',
374: value => 'html, with links',
375: description => 'Output HTML with each symbol linked to the problem '.
376: 'which generated it.',
377: mode => 'html',
378: show_links => 'yes',
379: },
380: { name => 'HTML, with all links',
381: value => 'html, with all links',
382: description => 'Output HTML with each symbol linked to the problem '.
383: 'which generated it. '.
384: 'This includes links for unattempted problems.',
385: mode => 'html',
386: show_links => 'all',
387: },
388: { name => 'HTML, without links',
389: value => 'html, without links',
390: description => 'Output HTML. By not including links, the size of the'.
391: ' web page is greatly reduced. If your browser crashes on the '.
392: 'full display, try this.',
393: mode => 'html',
394: show_links => 'no',
395: },
396: { name => 'Excel',
397: value => 'excel',
398: description => 'Output an Excel file (compatable with Excel 95).',
399: mode => 'excel',
400: show_links => 'no',
401: },
402: { name => 'CSV',
403: value => 'csv',
404: description => 'Output a comma seperated values file suitable for '.
405: 'import into a spreadsheet program. Using this method as opposed '.
406: 'to Excel output allows you to organize your data before importing'.
407: ' it into a spreadsheet program.',
408: mode => 'csv',
409: show_links => 'no',
410: },
411: );
412:
413: sub OutputDescriptions {
414: my $Str = '';
415: $Str .= "<h2>Output Formats</h2>\n";
416: $Str .= "<dl>\n";
417: foreach my $outputmode (@OutputOptions) {
418: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
419: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
420: }
421: $Str .= "</dl>\n";
422: return $Str;
423: }
424:
425: sub CreateAndParseOutputSelector {
426: my $Str = '';
427: my $elementname = 'chartoutputmode';
428: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
429: [$elementname]);
430: #
431: # Format for output options is 'mode, restrictions';
432: my $selected = 'html, without links';
433: if (exists($ENV{'form.'.$elementname})) {
434: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
435: $selected = $ENV{'form.'.$elementname}->[0];
436: } else {
437: $selected = $ENV{'form.'.$elementname};
438: }
439: }
440: #
441: # Set package variables describing output mode
442: $show_links = 'no';
443: $output_mode = 'html';
444: foreach my $option (@OutputOptions) {
445: next if ($option->{'value'} ne $selected);
446: $output_mode = $option->{'mode'};
447: $show_links = $option->{'show_links'};
448: }
449:
450: #
451: # Build the form element
452: $Str = qq/<select size="5" name="$elementname">/;
453: foreach my $option (@OutputOptions) {
454: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
455: $Str .= " selected " if ($option->{'value'} eq $selected);
456: $Str .= ">".&mt($option->{'name'})."<\/option>";
457: }
458: $Str .= "\n</select>";
459: return $Str;
460: }
461:
462: ##
463: ## Data selector stuff
464: ##
465: my @OutputDataOptions =
466: (
467: { name => 'Scores Summary',
468: base => 'scores',
469: value => 'sum and total',
470: scores => 1,
471: tries => 0,
472: every_problem => 0,
473: sequence_sum => 1,
474: sequence_max => 1,
475: grand_total => 1,
476: shortdesc => 'Total Score and Maximum Possible for each '.
477: 'Sequence or Folder',
478: longdesc => 'The score of each student as well as the '.
479: ' maximum possible on each Sequence or Folder.',
480: },
481: { name => 'Scores Per Problem',
482: base => 'scores',
483: value => 'scores',
484: scores => 1,
485: tries => 0,
486: correct => 0,
487: every_problem => 1,
488: sequence_sum => 1,
489: sequence_max => 1,
490: grand_total => 1,
491: shortdesc => 'Score on each Problem Part',
492: longdesc =>'The students score on each problem part, computed as'.
493: 'the part weight * part awarded',
494: },
495: { name =>'Tries',
496: base =>'tries',
497: value => 'tries',
498: scores => 0,
499: tries => 1,
500: correct => 0,
501: every_problem => 1,
502: sequence_sum => 0,
503: sequence_max => 0,
504: grand_total => 0,
505: shortdesc => 'Number of Tries before success on each Problem Part',
506: longdesc =>'The number of tries before success on each problem part.',
507: },
508: { name =>'Parts Correct',
509: base =>'tries',
510: value => 'parts correct total',
511: scores => 0,
512: tries => 0,
513: correct => 1,
514: every_problem => 1,
515: sequence_sum => 1,
516: sequence_max => 1,
517: grand_total => 1,
518: shortdesc => 'Number of Problem Parts completed successfully.',
519: longdesc => 'The Number of Problem Parts completed successfully and '.
520: 'the maximum possible for each student',
521: },
522: );
523:
524: sub HTMLifyOutputDataDescriptions {
525: my $Str = '';
526: $Str .= "<h2>Output Data</h2>\n";
527: $Str .= "<dl>\n";
528: foreach my $option (@OutputDataOptions) {
529: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
530: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
531: }
532: $Str .= "</dl>\n";
533: return $Str;
534: }
535:
536: sub CreateAndParseOutputDataSelector {
537: my $Str = '';
538: my $elementname = 'chartoutputdata';
539: #
540: my $selected = 'scores';
541: if (exists($ENV{'form.'.$elementname})) {
542: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
543: $selected = $ENV{'form.'.$elementname}->[0];
544: } else {
545: $selected = $ENV{'form.'.$elementname};
546: }
547: }
548: #
549: $chosen_output = $OutputDataOptions[0];
550: foreach my $option (@OutputDataOptions) {
551: if ($option->{'value'} eq $selected) {
552: $chosen_output = $option;
553: }
554: }
555: #
556: # Build the form element
557: $Str = qq/<select size="5" name="$elementname">/;
558: foreach my $option (@OutputDataOptions) {
559: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
560: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
561: $Str .= ">".&mt($option->{'name'})."<\/option>";
562: }
563: $Str .= "\n</select>";
564: return $Str;
565:
566: }
567:
568: #######################################################
569: #######################################################
570:
571: =pod
572:
573: =head2 HTML output routines
574:
575: =item &html_initialize($r)
576:
577: Create labels for the columns of student data to show.
578:
579: =item &html_outputstudent($r,$student)
580:
581: Return a line of the chart for a student.
582:
583: =item &html_finish($r)
584:
585: =cut
586:
587: #######################################################
588: #######################################################
589: {
590: my $padding;
591: my $count;
592:
593: my $nodata_count; # The number of students for which there is no data
594: my %prog_state; # progress state used by loncommon PrgWin routines
595:
596: sub html_initialize {
597: my ($r) = @_;
598: #
599: $padding = ' 'x3;
600: $count = 0;
601: $nodata_count = 0;
602: undef(%prog_state);
603: #
604: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
605: " ".localtime(time)."</h3>");
606:
607: if ($chosen_output->{'base'} !~ /^final table/) {
608: $r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");
609: }
610: my $Str = "<pre>\n";
611: # First, the @StudentData fields need to be listed
612: my @to_show = &get_student_fields_to_show();
613: foreach my $field (@to_show) {
614: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
615: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
616: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
617: $Str .= $title.' 'x($width-$base).$padding;
618: }
619: # Now the selected sequences need to be listed
620: foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
621: my $title = $sequence->{'title'};
622: my $base = $sequence->{'base_width'};
623: my $width = $sequence->{'width'};
624: $Str .= $title.' 'x($width-$base).$padding;
625: }
626: $Str .= "total</pre>\n";
627: $Str .= "<pre>";
628: $r->print($Str);
629: $r->rflush();
630: return;
631: }
632:
633: sub html_outputstudent {
634: my ($r,$student) = @_;
635: my $Str = '';
636: #
637: if($count++ % 5 == 0 && $count > 0) {
638: $r->print("</pre><pre>");
639: }
640: # First, the @StudentData fields need to be listed
641: my @to_show = &get_student_fields_to_show();
642: foreach my $field (@to_show) {
643: my $title=$student->{$field};
644: my $base = length($title);
645: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
646: $Str .= $title.' 'x($width-$base).$padding;
647: }
648: # Get ALL the students data
649: my %StudentsData;
650: my @tmp = &Apache::loncoursedata::get_current_state
651: ($student->{'username'},$student->{'domain'},undef,
652: $ENV{'request.course.id'});
653: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
654: %StudentsData = @tmp;
655: }
656: if (scalar(@tmp) < 1) {
657: $nodata_count++;
658: $Str .= '<font color="blue">No Course Data</font>'."\n";
659: $r->print($Str);
660: $r->rflush();
661: return;
662: }
663: #
664: # By sequence build up the data
665: my $studentstats;
666: my $PerformanceStr = '';
667: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
668: my ($performance,$performance_length,$score,$seq_max,$rawdata);
669: if ($chosen_output->{'tries'}) {
670: ($performance,$performance_length,$score,$seq_max,$rawdata) =
671: &StudentTriesOnSequence($student,\%StudentsData,
672: $seq,$show_links);
673: } else {
674: ($performance,$performance_length,$score,$seq_max,$rawdata) =
675: &StudentPerformanceOnSequence($student,\%StudentsData,
676: $seq,$show_links);
677: }
678: my $ratio = sprintf("%3d",$score).'/'.sprintf("%3d",$seq_max);
679: #
680: if ($chosen_output->{'sequence_sum'}) {
681: $performance = $ratio;
682: $performance .= ' 'x($seq->{'width'}-length($ratio));
683: } else {
684: # Pad with extra spaces
685: $performance .= ' 'x($seq->{'width'}-$performance_length-
686: length($ratio)
687: ).$ratio;
688: }
689: #
690: $Str .= $performance.$padding;
691: #
692: $studentstats->{$seq->{'symb'}}->{'score'}= $score;
693: $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
694: }
695: #
696: # Total it up and store the statistics info.
697: my ($score,$max) = (0,0);
698: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
699: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
700: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
701: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
702: }
703: $score += $seq_stats->{'score'};
704: $max += $seq_stats->{'max'};
705: }
706: $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
707: $Str .= " \n";
708: #
709: $r->print($Str);
710: #
711: $r->rflush();
712: return;
713: }
714:
715: sub html_finish {
716: my ($r) = @_;
717: #
718: # Check for suppressed output and close the progress window if so
719: $r->print("</pre>\n");
720: if ($single_student_mode) {
721: $r->print(&SingleStudentTotal());
722: } else {
723: $r->print(&StudentAverageTotal());
724: }
725: $r->rflush();
726: return;
727: }
728:
729: sub StudentAverageTotal {
730: my $Str = "<h3>Summary Tables</h3>\n";
731: my $num_students = scalar(@Apache::lonstatistics::Students);
732: my $total_ave = 0;
733: my $total_max = 0;
734: $Str .= '<table border=2 cellspacing="1">'."\n";
735: $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
736: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
737: my $ave;
738: if ($num_students > $nodata_count) {
739: $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
740: ($num_students-$nodata_count)))/100;
741: } else {
742: $ave = 0;
743: }
744: $total_ave += $ave;
745: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
746: $total_max += $max;
747: $ave = sprintf("%.2f",$ave);
748: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
749: '<td align="right">'.$ave.' </td>'.
750: '<td align="right">'.$max.' '.'</td></tr>'."\n";
751: }
752: $total_ave = sprintf('%.2f',$total_ave); # only two digit
753: $Str .= "</table>\n";
754: $Str .= '<table border=2 cellspacing="1">'."\n";
755: $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
756: "<th>Maximum</th></tr>\n";
757: $Str .= '<tr>'.
758: '<td align="right">'.($num_students-$nodata_count).'</td>'.
759: '<td align="right">'.$total_ave.' '.'</td>'.
760: '<td align="right">'.$total_max.' '.'</td>';
761: $Str .= "</table>\n";
762: return $Str;
763: }
764:
765: sub SingleStudentTotal {
766: my $student = &Apache::lonstatistics::current_student();
767: my $Str = "<h3>Summary table for ".$student->{'fullname'}." ".
768: $student->{'username'}.'@'.$student->{'domain'}."</h3>\n";
769: $Str .= '<table border=2 cellspacing="1">'."\n";
770: $Str .=
771: "<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";
772: my $total = 0;
773: my $total_max = 0;
774: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
775: my $value = $Statistics->{$seq->{'symb'}}->{'score'};
776: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
777: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
778: '<td align="right">'.$value.'</td>'.
779: '<td align="right">'.$max.'</td></tr>'."\n";
780: $total += $value;
781: $total_max +=$max;
782: }
783: $Str .= '<tr><td><b>Total</b></td>'.
784: '<td align="right">'.$total.'</td>'.
785: '<td align="right">'.$total_max."</td></tr>\n";
786: $Str .= "</table>\n";
787: return $Str;
788: }
789:
790: }
791:
792: #######################################################
793: #######################################################
794:
795: =pod
796:
797: =head2 EXCEL subroutines
798:
799: =item &excel_initialize($r)
800:
801: =item &excel_outputstudent($r,$student)
802:
803: =item &excel_finish($r)
804:
805: =cut
806:
807: #######################################################
808: #######################################################
809: {
810:
811: my $excel_sheet;
812: my $excel_workbook;
813:
814: my $filename;
815: my $rows_output;
816: my $cols_output;
817:
818: my %prog_state; # progress window state
819: my $request_aborted;
820:
821: my $total_formula;
822:
823: sub excel_initialize {
824: my ($r) = @_;
825: #
826: undef ($excel_sheet);
827: undef ($excel_workbook);
828: undef ($filename);
829: undef ($rows_output);
830: undef ($cols_output);
831: undef (%prog_state);
832: undef ($request_aborted);
833: undef ($total_formula);
834: #
835: my $total_columns = scalar(&get_student_fields_to_show());
836: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
837: # Add 2 because we need a 'sequence_sum' and 'total' column for each
838: $total_columns += $seq->{'num_assess_parts'}+2;
839: }
840: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
841: $r->print(<<END);
842: <h2>Unable to Complete Request</h2>
843: <p>
844: LON-CAPA is unable to produce your Excel spreadsheet because your selections
845: will result in more than 255 columns. Excel allows only 255 columns in a
846: spreadsheet.
847: </p><p>
848: You may consider reducing the number of <b>Sequences or Folders</b> you
849: have selected.
850: </p><p>
851: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
852: summary data (<b>Parts Correct</b> or <b>Parts Correct & Totals</b>).
853: </p>
854: END
855: $request_aborted = 1;
856: }
857: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
858: $r->print(<<END);
859: <h2>Unable to Complete Request</h2>
860: <p>
861: LON-CAPA is unable to produce your Excel spreadsheet because your selections
862: will result in more than 255 columns. Excel allows only 255 columns in a
863: spreadsheet.
864: </p><p>
865: You may consider reducing the number of <b>Sequences or Folders</b> you
866: have selected.
867: </p><p>
868: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
869: <b>Scores Summary</b> data.
870: </p>
871: END
872: $request_aborted = 1;
873: }
874: return if ($request_aborted);
875: #
876: $filename = '/prtspool/'.
877: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
878: time.'_'.rand(1000000000).'.xls';
879: #
880: $excel_workbook = undef;
881: $excel_sheet = undef;
882: #
883: $rows_output = 0;
884: $cols_output = 0;
885: #
886: # Create sheet
887: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
888: #
889: # Check for errors
890: if (! defined($excel_workbook)) {
891: $r->log_error("Error creating excel spreadsheet $filename: $!");
892: $r->print("Problems creating new Excel file. ".
893: "This error has been logged. ".
894: "Please alert your LON-CAPA administrator");
895: return ;
896: }
897: #
898: # The excel spreadsheet stores temporary data in files, then put them
899: # together. If needed we should be able to disable this (memory only).
900: # The temporary directory must be specified before calling 'addworksheet'.
901: # File::Temp is used to determine the temporary directory.
902: $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
903: #
904: # Add a worksheet
905: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
906: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
907: $excel_sheet = $excel_workbook->addworksheet($sheetname);
908: #
909: # Define some potentially useful formats
910: my $format;
911: $format->{'header'} = $excel_workbook->add_format(bold => 1,
912: bottom => 1,
913: align => 'center');
914: $format->{'bold'} = $excel_workbook->add_format(bold=>1);
915: $format->{'h1'} = $excel_workbook->add_format(bold=>1, size=>18);
916: $format->{'h2'} = $excel_workbook->add_format(bold=>1, size=>16);
917: $format->{'h3'} = $excel_workbook->add_format(bold=>1, size=>14);
918: $format->{'date'} = $excel_workbook->add_format(num_format=>
919: 'mmm d yyyy hh:mm AM/PM');
920: #
921: # Put the course description in the header
922: $excel_sheet->write($rows_output,$cols_output++,
923: $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
924: $format->{'h1'});
925: $cols_output += 3;
926: #
927: # Put a description of the sections listed
928: my $sectionstring = '';
929: my @Sections = @Apache::lonstatistics::SelectedSections;
930: if (scalar(@Sections) > 1) {
931: if (scalar(@Sections) > 2) {
932: my $last = pop(@Sections);
933: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
934: } else {
935: $sectionstring = "Sections ".join(' and ',@Sections);
936: }
937: } else {
938: if ($Sections[0] eq 'all') {
939: $sectionstring = "All sections";
940: } else {
941: $sectionstring = "Section ".$Sections[0];
942: }
943: }
944: $excel_sheet->write($rows_output,$cols_output++,$sectionstring,
945: $format->{'h3'});
946: $cols_output += scalar(@Sections);
947: #
948: # Put the date in there too
949: $excel_sheet->write($rows_output++,$cols_output++,
950: 'Compiled on '.localtime(time),$format->{'h3'});
951: #
952: $cols_output = 0;
953: $excel_sheet->write($rows_output++,$cols_output++,
954: $chosen_output->{'shortdesc'},
955: $format->{'h3'});
956: #
957: # Figure out the rows we need
958: my $sequence_name_row = $rows_output+1;
959: my $resource_name_row = $sequence_name_row+1;
960: my $maximum_data_row = $sequence_name_row+2;
961: my $first_data_row = $sequence_name_row+3;
962: #
963: # Add the student headers
964: $cols_output = 0;
965: foreach my $field (&get_student_fields_to_show()) {
966: $excel_sheet->write($resource_name_row,$cols_output++,$field,
967: $format->{'bold'});
968: }
969: #
970: # Add the remaining column headers
971: my $total_formula_string = '=0';
972: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
973: $excel_sheet->write($sequence_name_row,,
974: $cols_output,$seq->{'title'},$format->{'h3'});
975: # Determine starting cell
976: $seq->{'Excel:startcell'}=
977: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
978: ($maximum_data_row,$cols_output);
979: $seq->{'Excel:startcol'}=$cols_output;
980: my $count = 0;
981: if ($chosen_output->{'every_problem'}) {
982: # Put the names of the problems and parts into the sheet
983: foreach my $res (@{$seq->{'contents'}}) {
984: if ($res->{'type'} ne 'assessment' ||
985: ! exists($res->{'parts'}) ||
986: ref($res->{'parts'}) ne 'ARRAY' ||
987: scalar(@{$res->{'parts'}}) < 1) {
988: next;
989: }
990: if (scalar(@{$res->{'parts'}}) > 1) {
991: foreach my $part (@{$res->{'parts'}}) {
992: $excel_sheet->write($resource_name_row,
993: $cols_output++,
994: $res->{'title'}.' part '.$part,
995: $format->{'bold'});
996: }
997: } else {
998: $excel_sheet->write($resource_name_row,
999: $cols_output++,
1000: $res->{'title'},$format->{'bold'});
1001: }
1002: $count++;
1003: }
1004: }
1005: # Determine ending cell
1006: if ($count <= 1) {
1007: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1008: $seq->{'Excel:endcol'} = $seq->{'Excel:startcol'};
1009: } else {
1010: $seq->{'Excel:endcell'} =
1011: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1012: ($maximum_data_row,$cols_output-1);
1013: $seq->{'Excel:endcol'} = $cols_output-1;
1014: }
1015: # Create the formula for summing up this sequence
1016: if (! exists($seq->{'Excel:endcell'}) ||
1017: ! defined($seq->{'Excel:endcell'})) {
1018: $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'};
1019: }
1020: $seq->{'Excel:sum'}= $excel_sheet->store_formula
1021: ('=SUM('.$seq->{'Excel:startcell'}.
1022: ':'.$seq->{'Excel:endcell'}.')');
1023: # Determine cell the score is held in
1024: $seq->{'Excel:scorecell'} =
1025: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1026: ($maximum_data_row,$cols_output);
1027: $seq->{'Excel:scorecol'}=$cols_output;
1028: if ($chosen_output->{'base'} eq 'parts correct total') {
1029: $excel_sheet->write($resource_name_row,$cols_output++,
1030: 'parts correct',
1031: $format->{'bold'});
1032: } elsif ($chosen_output->{'sequence_sum'}) {
1033: if ($chosen_output->{'correct'}) {
1034: # Only reporting the number correct, so do not call it score
1035: $excel_sheet->write($resource_name_row,$cols_output++,
1036: 'sum',
1037: $format->{'bold'});
1038: } else {
1039: $excel_sheet->write($resource_name_row,$cols_output++,
1040: 'score',
1041: $format->{'bold'});
1042: }
1043: }
1044: #
1045: $total_formula_string.='+'.
1046: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1047: ($maximum_data_row,$cols_output-1);
1048: if ($chosen_output->{'sequence_max'}) {
1049: $excel_sheet->write($resource_name_row,$cols_output++,
1050: 'maximum',
1051: $format->{'bold'});
1052: }
1053: }
1054: if ($chosen_output->{'grand_total'}) {
1055: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1056: $format->{'bold'});
1057: }
1058: $total_formula = $excel_sheet->store_formula($total_formula_string);
1059: #
1060: # Output a row for MAX, if appropriate
1061: if ($chosen_output->{'scores'}) {
1062: $cols_output = 0;
1063: foreach my $field (&get_student_fields_to_show()) {
1064: if ($field eq 'username' || $field eq 'fullname' ||
1065: $field eq 'id') {
1066: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1067: $format->{'bold'});
1068: } else {
1069: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1070: }
1071: }
1072: #
1073: # Add the maximums for each sequence or assessment
1074: my %total_cell_translation;
1075: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1076: $cols_output=$seq->{'Excel:startcol'};
1077: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1078: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1079: ($maximum_data_row,$seq->{'Excel:scorecol'});
1080: my $weight;
1081: my $max = 0;
1082: foreach my $resource (@{$seq->{'contents'}}) {
1083: next if ($resource->{'type'} ne 'assessment');
1084: foreach my $part (@{$resource->{'parts'}}) {
1085: $weight = 1;
1086: if ($chosen_output->{'scores'}) {
1087: $weight = &Apache::lonnet::EXT
1088: ('resource.'.$part.'.weight',$resource->{'symb'},
1089: undef,undef,undef);
1090: if (!defined($weight) || ($weight eq '')) {
1091: $weight=1;
1092: }
1093: }
1094: if ($chosen_output->{'scores'} &&
1095: $chosen_output->{'every_problem'}) {
1096: $excel_sheet->write($maximum_data_row,$cols_output++,
1097: $weight);
1098: }
1099: $max += $weight;
1100: }
1101: }
1102: #
1103: if ($chosen_output->{'sequence_sum'} &&
1104: $chosen_output->{'every_problem'}) {
1105: my %replaceCells;
1106: $replaceCells{$seq->{'Excel:startcell'}} =
1107: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1108: ($maximum_data_row,$seq->{'Excel:startcol'});
1109: $replaceCells{$seq->{'Excel:endcell'}} =
1110: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1111: ($maximum_data_row,$seq->{'Excel:endcol'});
1112: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1113: $seq->{'Excel:sum'},undef,
1114: %replaceCells);
1115: } elsif ($chosen_output->{'sequence_sum'}) {
1116: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1117: }
1118: if ($chosen_output->{'sequence_max'}) {
1119: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1120: }
1121: #
1122: }
1123: if ($chosen_output->{'grand_total'}) {
1124: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1125: $total_formula,undef,
1126: %total_cell_translation);
1127: }
1128: } # End of MAXIMUM row output if ($chosen_output->{'scores'}) {
1129: $rows_output = $first_data_row;
1130: #
1131: # Let the user know what we are doing
1132: my $studentcount = scalar(@Apache::lonstatistics::Students);
1133: if ($ENV{'form.SelectedStudent'}) {
1134: $studentcount = '1';
1135: }
1136: if ($studentcount > 1) {
1137: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1138: $studentcount)."</h1>\n");
1139: } else {
1140: $r->print('<h1>'.
1141: &mt('Compiling Excel spreadsheet for 1 student').
1142: "</h1>\n");
1143: }
1144: $r->rflush();
1145: #
1146: # Initialize progress window
1147: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1148: ($r,'Excel File Compilation Status',
1149: 'Excel File Compilation Progress', $studentcount);
1150: #
1151: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1152: 'Processing first student');
1153: return;
1154: }
1155:
1156: sub excel_outputstudent {
1157: my ($r,$student) = @_;
1158: return if ($request_aborted);
1159: return if (! defined($excel_sheet));
1160: $cols_output=0;
1161: #
1162: # Write out student data
1163: my @to_show = &get_student_fields_to_show();
1164: foreach my $field (@to_show) {
1165: $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
1166: }
1167: #
1168: # Get student assessment data
1169: my %StudentsData;
1170: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1171: $student->{'domain'},
1172: undef,
1173: $ENV{'request.course.id'});
1174: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1175: %StudentsData = @tmp;
1176: }
1177: #
1178: # Write out sequence scores and totals data
1179: my %total_cell_translation;
1180: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1181: $cols_output = $seq->{'Excel:startcol'};
1182: # Keep track of cells to translate in total cell
1183: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1184: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1185: ($rows_output,$seq->{'Excel:scorecol'});
1186: #
1187: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1188: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1189: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1190: &StudentTriesOnSequence($student,\%StudentsData,
1191: $seq,'no');
1192: } else {
1193: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1194: &StudentPerformanceOnSequence($student,\%StudentsData,
1195: $seq,'no');
1196: }
1197: if ($chosen_output->{'every_problem'}) {
1198: if ($chosen_output->{'correct'}) {
1199: # only indiciate if each item is correct or not
1200: foreach my $value (@$rawdata) {
1201: # nonzero means correct
1202: $value = 1 if ($value > 0);
1203: $excel_sheet->write($rows_output,$cols_output++,$value);
1204: }
1205: } else {
1206: foreach my $value (@$rawdata) {
1207: $excel_sheet->write($rows_output,$cols_output++,$value);
1208: }
1209: }
1210: }
1211: if ($chosen_output->{'sequence_sum'} &&
1212: $chosen_output->{'every_problem'}) {
1213: # Write a formula for the sum of this sequence
1214: my %replaceCells;
1215: $replaceCells{$seq->{'Excel:startcell'}} =
1216: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1217: ($rows_output,$seq->{'Excel:startcol'});
1218: $replaceCells{$seq->{'Excel:endcell'}} =
1219: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1220: ($rows_output,$seq->{'Excel:endcol'});
1221: # The undef is for the format
1222: if (scalar(keys(%replaceCells)) == 1) {
1223: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1224: $seq->{'Excel:sum'},undef,
1225: %replaceCells,%replaceCells);
1226: } else {
1227: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1228: $seq->{'Excel:sum'},undef,
1229: %replaceCells);
1230: }
1231: } elsif ($chosen_output->{'sequence_sum'}) {
1232: $excel_sheet->write($rows_output,$cols_output++,$score);
1233: }
1234: if ($chosen_output->{'sequence_max'}) {
1235: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1236: }
1237: }
1238: #
1239: if ($chosen_output->{'grand_total'}) {
1240: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1241: $total_formula,undef,
1242: %total_cell_translation);
1243: }
1244: #
1245: # Bookkeeping
1246: $rows_output++;
1247: $cols_output=0;
1248: #
1249: # Update the progress window
1250: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1251: return;
1252: }
1253:
1254: sub excel_finish {
1255: my ($r) = @_;
1256: return if ($request_aborted);
1257: return if (! defined($excel_sheet));
1258: #
1259: # Write the excel file
1260: $excel_workbook->close();
1261: my $c = $r->connection();
1262: #
1263: return if($c->aborted());
1264: #
1265: # Close the progress window
1266: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1267: #
1268: # Tell the user where to get their excel file
1269: $r->print('<br />'.
1270: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1271: $r->rflush();
1272: return;
1273: }
1274:
1275: }
1276: #######################################################
1277: #######################################################
1278:
1279: =pod
1280:
1281: =head2 CSV output routines
1282:
1283: =item &csv_initialize($r)
1284:
1285: =item &csv_outputstudent($r,$student)
1286:
1287: =item &csv_finish($r)
1288:
1289: =cut
1290:
1291: #######################################################
1292: #######################################################
1293: {
1294:
1295: my $outputfile;
1296: my $filename;
1297: my $request_aborted;
1298: my %prog_state; # progress window state
1299:
1300: sub csv_initialize{
1301: my ($r) = @_;
1302: #
1303: # Clean up
1304: undef($outputfile);
1305: undef($filename);
1306: undef($request_aborted);
1307: undef(%prog_state);
1308: #
1309: # Deal with unimplemented requests
1310: $request_aborted = undef;
1311: if ($chosen_output->{'base'} =~ /final table/) {
1312: $r->print(<<END);
1313: <h2>Unable to Complete Request</h2>
1314: <p>
1315: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1316: </p>
1317: END
1318: $request_aborted = 1;
1319: }
1320: return if ($request_aborted);
1321: #
1322: # Initialize progress window
1323: my $studentcount = scalar(@Apache::lonstatistics::Students);
1324: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1325: ($r,'CSV File Compilation Status',
1326: 'CSV File Compilation Progress', $studentcount);
1327: #
1328: # Open a file
1329: $filename = '/prtspool/'.
1330: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1331: time.'_'.rand(1000000000).'.csv';
1332: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1333: $r->log_error("Couldn't open $filename for output $!");
1334: $r->print("Problems occured in writing the csv file. ".
1335: "This error has been logged. ".
1336: "Please alert your LON-CAPA administrator.");
1337: $outputfile = undef;
1338: }
1339: #
1340: # Datestamp
1341: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1342: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1343: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1344: "\n";
1345: #
1346: # Print out the headings
1347: my $sequence_row = '';
1348: my $resource_row = undef;
1349: foreach my $field (&get_student_fields_to_show()) {
1350: $sequence_row .='"",';
1351: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1352: }
1353: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1354: $sequence_row .= '"'.
1355: &Apache::loncommon::csv_translate($seq->{'title'}).'",';
1356: my $count = 0;
1357: if ($chosen_output->{'every_problem'}) {
1358: foreach my $res (@{$seq->{'contents'}}) {
1359: if ($res->{'type'} ne 'assessment' ||
1360: ! exists($res->{'parts'}) ||
1361: ref($res->{'parts'}) ne 'ARRAY' ||
1362: scalar(@{$res->{'parts'}}) < 1) {
1363: next;
1364: }
1365: foreach my $part (@{$res->{'parts'}}) {
1366: $resource_row .= '"'.
1367: &Apache::loncommon::csv_translate($res->{'title'}.
1368: ', Part '.$part
1369: ).'",';
1370: $count++;
1371: }
1372: }
1373: }
1374: $sequence_row.='"",'x$count;
1375: if ($chosen_output->{'sequence_sum'}) {
1376: if($chosen_output->{'correct'}) {
1377: $resource_row .= '"sum",';
1378: } else {
1379: $resource_row .= '"score",';
1380: }
1381: }
1382: if ($chosen_output->{'sequence_max'}) {
1383: $sequence_row.= '"",';
1384: $resource_row .= '"maximum possible",';
1385: }
1386: }
1387: if ($chosen_output->{'grand_total'}) {
1388: $sequence_row.= '"",';
1389: $resource_row.= '"Total",';
1390: }
1391: chomp($sequence_row);
1392: chomp($resource_row);
1393: print $outputfile $sequence_row."\n";
1394: print $outputfile $resource_row."\n";
1395: return;
1396: }
1397:
1398: sub csv_outputstudent {
1399: my ($r,$student) = @_;
1400: return if ($request_aborted);
1401: return if (! defined($outputfile));
1402: my $Str = '';
1403: #
1404: # Output student fields
1405: my @to_show = &get_student_fields_to_show();
1406: foreach my $field (@to_show) {
1407: $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';
1408: }
1409: #
1410: # Get student assessment data
1411: my %StudentsData;
1412: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1413: $student->{'domain'},
1414: undef,
1415: $ENV{'request.course.id'});
1416: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1417: %StudentsData = @tmp;
1418: }
1419: #
1420: # Output performance data
1421: my $total = 0;
1422: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1423: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1424: if ($chosen_output->{'tries'}){
1425: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1426: &StudentTriesOnSequence($student,\%StudentsData,
1427: $seq,'no');
1428: } else {
1429: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1430: &StudentPerformanceOnSequence($student,\%StudentsData,
1431: $seq,'no');
1432: }
1433: if ($chosen_output->{'every_problem'}) {
1434: if ($chosen_output->{'correct'}) {
1435: $score = 0;
1436: # Deal with number of parts correct data
1437: $Str .= '"'.join('","',( map { if ($_>0) {
1438: $score += 1;
1439: 1;
1440: } else {
1441: 0;
1442: }
1443: } @$rawdata)).'",';
1444: } else {
1445: $Str .= '"'.join('","',(@$rawdata)).'",';
1446: }
1447: }
1448: if ($chosen_output->{'sequence_sum'}) {
1449: $Str .= '"'.$score.'",';
1450: }
1451: if ($chosen_output->{'sequence_max'}) {
1452: $Str .= '"'.$seq_max.'",';
1453: }
1454: $total+=$score;
1455: }
1456: if ($chosen_output->{'grand_total'}) {
1457: $Str .= '"'.$total.'",';
1458: }
1459: chop($Str);
1460: $Str .= "\n";
1461: print $outputfile $Str;
1462: #
1463: # Update the progress window
1464: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1465: return;
1466: }
1467:
1468: sub csv_finish {
1469: my ($r) = @_;
1470: return if ($request_aborted);
1471: return if (! defined($outputfile));
1472: close($outputfile);
1473: #
1474: my $c = $r->connection();
1475: return if ($c->aborted());
1476: #
1477: # Close the progress window
1478: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1479: #
1480: # Tell the user where to get their csv file
1481: $r->print('<br />'.
1482: '<a href="'.$filename.'">Your csv file.</a>'."\n");
1483: $r->rflush();
1484: return;
1485:
1486: }
1487:
1488: }
1489:
1490: #######################################################
1491: #######################################################
1492:
1493: =pod
1494:
1495: =item &StudentTriesOnSequence()
1496:
1497: Inputs:
1498:
1499: =over 4
1500:
1501: =item $student
1502:
1503: =item $studentdata Hash ref to all student data
1504:
1505: =item $seq Hash ref, the sequence we are working on
1506:
1507: =item $links if defined we will output links to each resource.
1508:
1509: =back
1510:
1511: =cut
1512:
1513: #######################################################
1514: #######################################################
1515: sub StudentTriesOnSequence {
1516: my ($student,$studentdata,$seq,$links) = @_;
1517: $links = 'no' if (! defined($links));
1518: my $Str = '';
1519: my ($sum,$max) = (0,0);
1520: my $performance_length = 0;
1521: my @TriesData = ();
1522: my $tries;
1523: foreach my $resource (@{$seq->{'contents'}}) {
1524: next if ($resource->{'type'} ne 'assessment');
1525: my $resource_data = $studentdata->{$resource->{'symb'}};
1526: my $value = '';
1527: foreach my $partnum (@{$resource->{'parts'}}) {
1528: $tries = undef;
1529: $max++;
1530: $performance_length++;
1531: my $symbol = ' '; # default to space
1532: #
1533: my $awarded = 0;
1534: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1535: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1536: $awarded = 0 if (! $awarded);
1537: }
1538: #
1539: my $status = '';
1540: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1541: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1542: }
1543: #
1544: my $tries = 0;
1545: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1546: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1547: }
1548: #
1549: if ($awarded > 0) {
1550: # The student has gotten the problem correct to some degree
1551: if ($status eq 'excused') {
1552: $symbol = 'x';
1553: $max--;
1554: } elsif ($status eq 'correct_by_override') {
1555: $symbol = '+';
1556: $sum++;
1557: } elsif ($tries > 0) {
1558: if ($tries > 9) {
1559: $symbol = '*';
1560: } else {
1561: $symbol = $tries;
1562: }
1563: $sum++;
1564: } else {
1565: $symbol = '+';
1566: $sum++;
1567: }
1568: } else {
1569: # The student has the problem incorrect or it is ungraded
1570: if ($status eq 'excused') {
1571: $symbol = 'x';
1572: $max--;
1573: } elsif ($status eq 'incorrect_by_override') {
1574: $symbol = '-';
1575: } elsif ($status eq 'ungraded_attempted') {
1576: $symbol = '#';
1577: } elsif ($status eq 'incorrect_attempted' ||
1578: $tries > 0) {
1579: $symbol = '.';
1580: } else {
1581: # Problem is wrong and has not been attempted.
1582: $symbol=' ';
1583: }
1584: }
1585: #
1586: if (! defined($tries)) {
1587: $tries = $symbol;
1588: }
1589: push (@TriesData,$tries);
1590: #
1591: if ( ($links eq 'yes' && $symbol ne ' ') ||
1592: ($links eq 'all')) {
1593: if (length($symbol) > 1) {
1594: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1595: }
1596: $symbol = '<a href="/adm/grades'.
1597: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1598: '&student='.$student->{'username'}.
1599: '&userdom='.$student->{'domain'}.
1600: '&command=submission">'.$symbol.'</a>';
1601: }
1602: $value .= $symbol;
1603: }
1604: $Str .= $value;
1605: }
1606: if ($seq->{'randompick'}) {
1607: $max = $seq->{'randompick'};
1608: }
1609: return ($Str,$performance_length,$sum,$max,\@TriesData);
1610: }
1611:
1612: #######################################################
1613: #######################################################
1614:
1615: =pod
1616:
1617: =item &StudentPerformanceOnSequence()
1618:
1619: Inputs:
1620:
1621: =over 4
1622:
1623: =item $student
1624:
1625: =item $studentdata Hash ref to all student data
1626:
1627: =item $seq Hash ref, the sequence we are working on
1628:
1629: =item $links if defined we will output links to each resource.
1630:
1631: =back
1632:
1633: =cut
1634:
1635: #######################################################
1636: #######################################################
1637: sub StudentPerformanceOnSequence {
1638: my ($student,$studentdata,$seq,$links) = @_;
1639: $links = 'no' if (! defined($links));
1640: my $Str = ''; # final result string
1641: my ($score,$max) = (0,0);
1642: my $performance_length = 0;
1643: my $symbol;
1644: my @ScoreData = ();
1645: my $partscore;
1646: foreach my $resource (@{$seq->{'contents'}}) {
1647: next if ($resource->{'type'} ne 'assessment');
1648: my $resource_data = $studentdata->{$resource->{'symb'}};
1649: foreach my $part (@{$resource->{'parts'}}) {
1650: $partscore = undef;
1651: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1652: $resource->{'symb'},
1653: $student->{'domain'},
1654: $student->{'username'},
1655: $student->{'section'});
1656: if (!defined($weight) || ($weight eq '')) {
1657: $weight=1;
1658: }
1659: #
1660: $max += $weight; # see the 'excused' branch below...
1661: $performance_length++; # one character per part
1662: $symbol = ' '; # default to space
1663: #
1664: my $awarded = 0;
1665: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1666: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1667: $awarded = 0 if (! $awarded);
1668: }
1669: #
1670: $partscore = $weight*$awarded;
1671: $score += $partscore;
1672: $symbol = $partscore;
1673: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1674: $symbol = sprintf("%.0f",$symbol);
1675: }
1676: if (length($symbol) > 1) {
1677: $symbol = '*';
1678: }
1679: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1680: my $status = $resource_data->{'resource.'.$part.'.solved'};
1681: if ($status eq 'excused') {
1682: $symbol = 'x';
1683: $max -= $weight; # Do not count 'excused' problems.
1684: }
1685: } else {
1686: # Unsolved. Did they try?
1687: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1688: $symbol = '.';
1689: } else {
1690: $symbol = ' ';
1691: }
1692: }
1693: #
1694: if (! defined($partscore)) {
1695: $partscore = $symbol;
1696: }
1697: push (@ScoreData,$partscore);
1698: #
1699: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1700: $symbol = '<a href="/adm/grades'.
1701: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1702: '&student='.$student->{'username'}.
1703: '&userdom='.$student->{'domain'}.
1704: '&command=submission">'.$symbol.'</a>';
1705: }
1706: $Str .= $symbol;
1707: }
1708: }
1709: return ($Str,$performance_length,$score,$max,\@ScoreData);
1710: }
1711:
1712: #######################################################
1713: #######################################################
1714:
1715: =pod
1716:
1717: =item &CreateLegend()
1718:
1719: This function returns a formatted string containing the legend for the
1720: chart. The legend describes the symbols used to represent grades for
1721: problems.
1722:
1723: =cut
1724:
1725: #######################################################
1726: #######################################################
1727: sub CreateLegend {
1728: my $Str = "<p><pre>".
1729: " 1 correct by student in 1 try\n".
1730: " 7 correct by student in 7 tries\n".
1731: " * correct by student in more than 9 tries\n".
1732: " + correct by hand grading or override\n".
1733: " - incorrect by override\n".
1734: " . incorrect attempted\n".
1735: " # ungraded attempted\n".
1736: " not attempted (blank field)\n".
1737: " x excused".
1738: "</pre><p>";
1739: return $Str;
1740: }
1741:
1742: #######################################################
1743: #######################################################
1744:
1745: =pod
1746:
1747: =back
1748:
1749: =cut
1750:
1751: #######################################################
1752: #######################################################
1753:
1754: 1;
1755:
1756: __END__
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