File:
[LON-CAPA] /
loncom /
interface /
statistics /
lonstudentsubmissions.pm
Revision
1.41:
download - view:
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select for diffs
Tue Apr 12 21:49:49 2005 UTC (19 years, 2 months ago) by
matthew
Branches:
MAIN
CVS tags:
version_2_1_X,
version_2_1_3,
version_2_1_2,
version_2_1_1,
version_2_1_0,
version_2_0_X,
version_2_0_99_1,
version_2_0_2,
version_2_0_1,
version_2_0_0,
version_1_99_3,
version_1_99_2,
version_1_99_1_tmcc,
version_1_99_1,
version_1_99_0_tmcc,
version_1_99_0,
HEAD
Two bugs with HTML output.
Skip columns with a width of '0' as it _really_ messes up firefox.
Some responses were not being unescaped.
1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.41 2005/04/12 21:49:49 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: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27: package Apache::lonstudentsubmissions;
28:
29: use strict;
30: use Apache::lonnet;
31: use Apache::loncommon();
32: use Apache::lonhtmlcommon();
33: use Apache::loncoursedata();
34: use Apache::lonstatistics;
35: use Apache::lonlocal;
36: use Apache::lonstathelpers;
37: use HTML::Entities();
38: use Time::Local();
39: use Spreadsheet::WriteExcel();
40:
41: my @SubmitButtons = ({ name => 'SelectAnother',
42: text => 'Choose a different Problem' },
43: { name => 'Generate',
44: text => 'Generate Report'},
45: );
46:
47: sub BuildStudentSubmissionsPage {
48: my ($r,$c)=@_;
49: #
50: my %Saveable_Parameters = ('Status' => 'scalar',
51: 'Section' => 'array',
52: 'NumPlots' => 'scalar',
53: );
54: &Apache::loncommon::store_course_settings('student_submissions',
55: \%Saveable_Parameters);
56: &Apache::loncommon::restore_course_settings('student_submissions',
57: \%Saveable_Parameters);
58: #
59: &Apache::lonstatistics::PrepareClasslist();
60: #
61: $r->print(&CreateInterface());
62: #
63: my @Students = @Apache::lonstatistics::Students;
64: #
65: if (@Students < 1) {
66: $r->print('<h2>There are no students in the sections selected</h2>');
67: }
68: #
69: my @CacheButtonHTML =
70: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status',
71: '<h3>'.&mt('Loading student data').'</h3>');
72: $r->rflush();
73: #
74: if (exists($env{'form.problemchoice'}) &&
75: ! exists($env{'form.SelectAnother'})) {
76: foreach my $button (@SubmitButtons) {
77: if ($button->{'name'} eq 'break') {
78: $r->print("<br />\n");
79: } else {
80: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
81: 'value="'.&mt($button->{'text'}).'" />');
82: $r->print(' 'x5);
83: }
84: }
85: foreach my $html (@CacheButtonHTML) {
86: $r->print($html.(' 'x5));
87: }
88: #
89: $r->print('<hr />'.$/);
90: $r->rflush();
91: #
92: # Determine which problems we are to analyze
93: my @Symbs =
94: &Apache::lonstathelpers::get_selected_symbs('problemchoice');
95: foreach my $selected (@Symbs) {
96: $r->print('<input type="hidden" name="problemchoice" value="'.
97: $selected.'" />'.$/);
98: }
99: #
100: # Get resource objects
101: my $navmap = Apache::lonnavmaps::navmap->new();
102: if (!defined($navmap)) {
103: $r->print('<h1>'.&mt("Internal error").'</h1>');
104: return;
105: }
106: my %already_seen;
107: my @Problems;
108: foreach my $symb (@Symbs) {
109: my $resource = $navmap->getBySymb($symb);
110: push(@Problems,$resource);
111: }
112: #
113: $r->print('<h4>'.
114: &Apache::lonstatistics::section_and_enrollment_description().
115: '</h4>');
116: if (! scalar(@Problems) || ! defined($Problems[0])) {
117: $r->print('resource is undefined');
118: } else {
119: if (scalar(@Problems) == 1) {
120: my $resource = $Problems[0];
121: $r->print('<h1>'.$resource->title.'</h1>');
122: $r->print('<h3>'.$resource->src.'</h3>');
123: if ($env{'form.renderprob'} eq 'true') {
124: $r->print(&Apache::lonstathelpers::render_resource($resource));
125: $r->rflush();
126: }
127: }
128: if ($env{'form.output'} eq 'excel') {
129: &prepare_excel_output($r,\@Problems,\@Students);
130: } elsif ($env{'form.output'} eq 'csv') {
131: &prepare_csv_output($r,\@Problems,\@Students);
132: } else {
133: &prepare_html_output($r,\@Problems,\@Students);
134: }
135: }
136: $r->print('<hr />');
137: } else {
138: $r->print('<input type="submit" name="Generate" value="'.
139: &mt('Prepare Report').'" />');
140: $r->print(' 'x5);
141: $r->print('<p>'.
142: &mt('Computing correct answers greatly increasese the amount of time required to prepare a report.').
143: '</p>');
144: $r->print('<p>'.
145: &mt('please select problems and use the <b>Prepare Report</b> button to continue.').
146: '</p>');
147: $r->print(&Apache::lonstathelpers::MultipleProblemSelector
148: (undef,'problemchoice','Statistics'));
149: }
150: }
151:
152: ##
153: ## get_extra_response_headers
154: ##
155: sub get_extra_response_headers {
156: my @extra_resp_headers;
157: if ($env{'form.correctans'} eq 'true') {
158: push(@extra_resp_headers,'Correct');
159: }
160: if ($env{'form.prob_status'} eq 'true') {
161: push(@extra_resp_headers,'Award Detail');
162: push(@extra_resp_headers,'Time');
163: push(@extra_resp_headers,'Attempt');
164: push(@extra_resp_headers,'Awarded');
165: }
166: return @extra_resp_headers;
167: }
168:
169: ##
170: ## get_headers:
171: ## return the proper headers for the given response
172: sub get_headers {
173: my ($prob,$partid,$respid,$resptype,$analysis,$output,$purpose,
174: @basic_headers) = @_;
175: my @headers;
176: if ($resptype eq 'essay' && $purpose eq 'display' &&
177: ($output eq 'html')) {# || scalar(@{$prob->parts})!=1)) {
178: @headers = ();
179: } elsif ($resptype =~ /^(option|match|rank)$/) {
180: my $prefix = '_';
181: if ($purpose eq 'display') {
182: $prefix = '';
183: }
184: my @foils =
185: map {
186: $prefix.$_;
187: } sort(keys(%{$analysis->{$partid.'.'.$respid}->{'_Foils'}}));
188: if (scalar(@basic_headers) && $basic_headers[0] eq 'Correct') {
189: @foils = map { ($_ , $_.' Correct') } @foils;
190: shift(@basic_headers); # Get rid of 'Correct'
191: }
192: @headers = (@foils,@basic_headers);
193: } else {
194: @headers = ('Submission',@basic_headers);
195: }
196: return @headers;
197: }
198:
199: #########################################################
200: #########################################################
201: ##
202: ## HTML Output Routines
203: ##
204: #########################################################
205: #########################################################
206: sub prepare_html_output {
207: my ($r,$problems,$students) = @_;
208: my $c = $r->connection();
209: #
210: # Set a flag for the case when there is just one problem
211: my $single_response = 0;
212: if (scalar(@$problems) == 1 &&
213: $problems->[0]->countResponses == 1) {
214: $single_response = 1;
215: }
216: #
217: # Compute the number of columns per response
218: my @extra_resp_headers = &get_extra_response_headers();
219: #
220: # Create the table header
221: my @student_columns = ('username','domain','id','section');
222: #
223: my %headers;
224: my $student_column_count = scalar(@student_columns);
225: $headers{'problem'} = qq{<th colspan="$student_column_count">\ </th>};
226: foreach (@student_columns) {
227: $headers{'student'}.= '<th>'.ucfirst($_).'</th>';
228: }
229: #
230: # we put the headers into the %headers hash
231: my $total_col = scalar(@student_columns);
232: my $nonempty_part_headers = 0;
233: #
234: my %problem_analysis;
235: foreach my $prob (@$problems) {
236: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
237: $problem_analysis{$prob->src}=\%analysis;
238: #
239: my $prob_span = 0;
240: my $single_part = 0;
241: if (scalar(@{$prob->parts}) == 1) {
242: $single_part = 1;
243: }
244: foreach my $partid (@{$prob->parts}) {
245: my $part_span = 0;
246: my $responses = [$prob->responseIds($partid)];
247: my $resptypes = [$prob->responseType($partid)];
248: for (my $i=0;$i<scalar(@$responses);$i++) {
249: my $respid = $responses->[$i];
250: my @headers = &get_headers($prob,$partid,$respid,
251: $resptypes->[$i],
252: $problem_analysis{$prob->src},
253: 'html','display',
254: @extra_resp_headers);
255: if (scalar(@headers)>0) {
256: $total_col += scalar(@headers);
257: $part_span += scalar(@headers);
258: $headers{'response'} .=
259: '<th colspan="'.scalar(@headers).'">'.
260: &mt('Response [_1]',$responses->[$i]).'</th>';
261: $headers{'student'}.= '<th>'.join('</th><th><nobr>',
262: @headers).
263: '</nobr></th>';
264: }
265: }
266: if ($part_span == 0) {
267: next;
268: }
269: if (! $single_part) {
270: my $tmpname = $partid;
271: if ($partid =~/^\d+$/) {
272: $tmpname = $prob->part_display($partid);
273: }
274: if ($tmpname !~ /^part/) {
275: $tmpname = 'Part '.$tmpname;
276: }
277: $headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
278: $nonempty_part_headers = 1;
279: } else {
280: $headers{'part'} .= qq{<th colspan="$part_span"> </th>};
281: }
282: $prob_span += $part_span;
283: }
284: my $title = $prob->compTitle;
285: if ($prob_span > 0) {
286: $headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
287: } elsif ($single_response) {
288: $prob_span = scalar(@student_columns);
289: $headers{'problem'} = qq{<th colspan="$prob_span">$title</th>};
290: }
291: }
292: if (exists($headers{'part'})) {
293: $headers{'part'} = qq{<th colspan="$student_column_count">\ </th>}.
294: $headers{'part'};
295: }
296: if (exists($headers{'response'})) {
297: $headers{'response'}=
298: qq{<th colspan="$student_column_count">\ </th>}.
299: $headers{'response'};
300: }
301: my $full_header = $/.'<table>'.$/;
302: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
303: if ($nonempty_part_headers) {
304: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
305: }
306: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
307: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
308: #
309: # Main loop
310: my $count;
311: $r->print($/.$full_header.$/);
312: my $row_class = 'odd'; # css
313: foreach my $student (@$students) {
314: my $student_row_data;
315: if ($count++ >= 30) {
316: $r->print('</table>'.$/.$full_header.$/);
317: $count = 0;
318: }
319: last if ($c->aborted());
320: foreach my $field (@student_columns) {
321: $student_row_data .=
322: '<td valign="top">'.$student->{$field}.'</td>';
323: }
324: #
325: # Figure out what it is we need to output for this student
326: my @essays;
327: my %prob_data;
328: my $maxrow;
329: foreach my $prob (@$problems) {
330: $prob_data{$prob->symb}={};
331: foreach my $partid (@{$prob->parts}) {
332: my @responses = $prob->responseIds($partid);
333: my @response_type = $prob->responseType($partid);
334: for (my $i=0;$i<=$#responses;$i++) {
335: my $respid = $responses[$i];
336: my $results =
337: &Apache::loncoursedata::get_response_data_by_student
338: ($student,$prob->symb(),$respid);
339: my $resptype = $response_type[$i];
340: my @headers = &get_headers($prob,$partid,$respid,
341: $resptype,
342: $problem_analysis{$prob->src},
343: 'html','normal',
344: @extra_resp_headers);
345: my $width = scalar(@headers);
346: next if ($width < 1);
347: my $resp_data;
348: $resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
349: if (! defined($results)) {
350: $results = [];
351: }
352: #
353: if (scalar(@$results) > $maxrow && $resptype ne 'essay') {
354: $maxrow = scalar(@$results);
355: }
356: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
357: if ($env{'form.all_sub'} ne 'true') {
358: next if ($j ne scalar(@$results)-1);
359: }
360: my $response = &hashify_response($results->[$j],
361: $prob,
362: $student,
363: $partid,
364: $respid);
365: if ($resptype eq 'essay') {
366: push(@essays,
367: &html_essay_results(\@headers,
368: $prob,$partid,$respid,
369: $response,
370: $single_response).
371: '</td>');
372: } else {
373: push(@{$resp_data->{'real'}},
374: &html_non_essay_results(\@headers,
375: $prob,$partid,$respid,
376: $response,$resptype));
377: }
378: }
379: $prob_data{$prob->symb}->{$partid}->{$respid}=$resp_data;
380: } # end of $i loop
381: } # end of partid loop
382: } # end of prob loop
383: #
384: # if there is no data, skip this student.
385: next if (! $maxrow && ! scalar(@essays));
386: #
387: # Go through the problem data and output a row.
388: if ($row_class eq 'even') {
389: $row_class = 'odd';
390: } else {
391: $row_class = 'even';
392: }
393: my $printed_something;
394: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
395: my $html;
396: my $no_data = 1;
397: foreach my $prob (@$problems) {
398: foreach my $partid (@{$prob->parts}) {
399: my @responses = $prob->responseIds($partid);
400: my @response_type = $prob->responseType($partid);
401: for (my $i=0;$i<=$#responses;$i++) {
402: my $respid = $responses[$i];
403: my $resp_data =
404: $prob_data{$prob->symb}->{$partid}->{$respid};
405: next if ($response_type[$i] eq 'essay');
406: if (defined($resp_data->{'real'}->[$rows_output])) {
407: $html .= $resp_data->{'real'}->[$rows_output];
408: $no_data = 0;
409: } else {
410: $html .= $resp_data->{'fake'};
411: }
412: }
413: }
414: }
415: if (! $no_data) {
416: $r->print(qq{<tr class="$row_class">$student_row_data$html</tr>}.$/);
417: $printed_something=1;
418: }
419: }
420: if (@essays) {
421: my $tr = qq{<tr class="$row_class">};
422: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
423: if (! $printed_something) {
424: $r->print($tr.$student_row_data.'</tr>'.$/);
425: }
426: $r->print($tr.$td.
427: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
428: undef(@essays);
429: }
430: } # end of student loop
431: return;
432: }
433:
434: sub hashify_response {
435: my ($response,$prob,$student,$partid,$respid) =@_;
436: my $resp_hash = {};
437: if ($env{'form.correctans'} eq 'true') {
438: $resp_hash->{'Correct'} =
439: &Apache::lonstathelpers::get_student_answer
440: ($prob,$student->{'username'},$student->{'domain'},
441: $partid,$respid);
442: }
443: $resp_hash->{'Submission'} =
444: $response->[&Apache::loncoursedata::RDs_submission()];
445: $resp_hash->{'Award Detail'} =
446: $response->[&Apache::loncoursedata::RDs_awarddetail()];
447: $resp_hash->{'Time'} =
448: $response->[&Apache::loncoursedata::RDs_timestamp()];
449: $resp_hash->{'Attempt'} =
450: $response->[&Apache::loncoursedata::RDs_tries()];
451: $resp_hash->{'Awarded'} =
452: $response->[&Apache::loncoursedata::RDs_awarded()];
453: return $resp_hash;
454: }
455:
456: #####################################################
457: ##
458: ## HTML helper routines
459: ##
460: #####################################################
461: sub html_essay_results {
462: my ($headers,$prob,$partid,$respid,$response,$single_response)=@_;
463: if (! ref($headers) || ref($headers) ne 'ARRAY') {
464: return '';
465: }
466: # Start of telling them what problem, part, and response
467: my $Str;
468: if (! $single_response) {
469: my $id = $prob->compTitle;
470: if (defined($partid) && $partid ne '0') {
471: $id .= ' '.$prob->part_display($partid);
472: }
473: if (defined($respid)) {
474: $id .= ' '.$respid;
475: }
476: $Str .= '<nobr>'.$id.'</nobr>'.(' 'x4);
477: }
478: #
479: shift(@$headers); # Get rid of the Submission header
480: my $correct = '';
481: if ($headers->[0] eq 'Correct') {
482: $correct = &html_format_essay_sub($response->{'Correct'});
483: shift(@$headers);
484: }
485: $Str .= '<nobr>'.
486: join('',
487: map {
488: (' 'x4).&mt($_.': [_1]',$response->{$_});
489: } @$headers).'</nobr>';
490: if (@$headers || ! $single_response) {
491: $Str .= '<br />';
492: }
493: $Str .= &html_format_essay_sub($response->{'Submission'});
494: #
495: if (defined($correct) && $correct !~ /^\s*$/) {
496: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
497: }
498: return $Str;
499: }
500:
501: sub html_format_essay_sub {
502: my ($submission) = @_;
503: return '' if (! defined($submission) || $submission eq '');
504: $submission = &HTML::Entities::decode($submission);
505: $submission =~ s/\\\"/\"/g;
506: $submission =~ s/\\\'/\'/g;
507: $submission =~ s|\\r\\n|$/|g;
508: $submission = &HTML::Entities::encode($submission,'<>&"');
509: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
510: $submission =~ s|\\||g;
511: $submission = '<p>'.$submission.'</p>';
512: return $submission;
513: }
514:
515: sub html_non_essay_results {
516: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
517: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
518: return '';
519: }
520: #
521: my $submission = &HTML::Entities::decode(&Apache::lonnet::unescape($response->{'Submission'}));
522: return '' if (! defined($submission) || $submission eq '');
523: $submission =~ s/\\\"/\"/g;
524: $submission =~ s/\\\'/\'/g;
525: if ($resptype eq 'radiobutton') {
526: $submission = &HTML::Entities::encode($submission,'<>&"');
527: $submission =~ s/=([^=])$//;
528: $submission = '<nobr>'.$submission.'</nobr>';
529: }
530: $response->{'Submission'} = $submission;
531: #
532: my @values;
533: if ($resptype =~ /^(option|match|rank)$/) {
534: my %submission =
535: map {
536: my ($foil,$value) = split('=',&Apache::lonnet::unescape($_));
537: ($foil,$value);
538: } split('&',$response->{'Submission'});
539: my %correct;
540: if (exists($response->{'Correct'})) {
541: %correct =
542: map {
543: my ($foil,$value)=split('=',&Apache::lonnet::unescape($_));
544: ($foil,$value);
545: } split('&',$response->{'Correct'});
546: }
547: #
548: foreach my $original_header (@$headers) {
549: if ($original_header =~ /^_/) {
550: # '_' denotes a foil column
551: my ($header) = ($original_header =~ m/^_(.*)$/);
552: my $option = '';
553: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
554: if (exists($correct{$foil})) {
555: $option = $correct{$foil};
556: }
557: } elsif (exists($submission{$header})) {
558: $option = $submission{$header};
559: }
560: push(@values,&HTML::Entities::encode($option));
561: } elsif ($original_header eq 'Time') {
562: push(@values,&Apache::lonlocal::locallocaltime($response->{$original_header}));
563: } else {
564: # A normal column
565: push(@values,$response->{$original_header});
566: }
567: }
568: } else {
569: @values = map { $response->{$_}; } @$headers;
570: }
571: my $td = '<td valign="top">';
572: my $str = $td.join('</td>'.$td,@values).'</td>';
573: return $str;
574: }
575:
576:
577: #########################################################
578: #########################################################
579: ##
580: ## Excel Output Routines
581: ##
582: #########################################################
583: #########################################################
584: sub prepare_excel_output {
585: my ($r,$Problems,$Students) = @_;
586: my $c = $r->connection();
587: #
588: #
589: # Determine the number of columns in the spreadsheet
590: my $columncount = 3; # username, domain, id
591: my @extra_resp_headers = &get_extra_response_headers();
592: my $lastprob;
593: my %problem_analysis;
594: foreach my $prob (@$Problems) {
595: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
596: $problem_analysis{$prob->src}=\%analysis;
597: foreach my $partid (@{$prob->parts}) {
598: my $responses = [$prob->responseIds($partid)];
599: my $resptypes = [$prob->responseType($partid)];
600: for (my $i=0;$i<scalar(@$responses);$i++) {
601: my @headers = &get_headers($prob,$partid,$responses->[$i],
602: $resptypes->[$i],
603: $problem_analysis{$prob->src},
604: 'excel','display',
605: @extra_resp_headers);
606: $columncount += scalar(@headers);
607: }
608: }
609: last if ($columncount > 255);
610: $lastprob = $prob;
611: }
612: if ($columncount > 255) {
613: $r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
614: '<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
615: '<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/.
616: '<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
617: $r->rflush();
618: return;
619: }
620: #
621: # Print out a message telling them what we are doing
622: if (scalar(@$Problems) > 1) {
623: $r->print('<h2>'.
624: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
625: scalar(@$Problems)).
626: '</h2>');
627: } else {
628: $r->print('<h2>'.
629: &mt('Preparing Excel spreadsheet of student responses').
630: '</h2>');
631: }
632: $r->rflush();
633: #
634: # Create the excel spreadsheet
635: my ($workbook,$filename,$format) =
636: &Apache::loncommon::create_workbook($r);
637: return if (! defined($workbook));
638: my $worksheet = $workbook->addworksheet('Student Submission Data');
639: #
640: # Add headers to the worksheet
641: my $rows_output = 0;
642: $worksheet->write($rows_output++,0,
643: $env{'course.'.$env{'request.course.id'}.'.description'},
644: $format->{'h1'});
645: $rows_output++;
646: my $cols_output = 0;
647: my $title_row = $rows_output++;
648: my $partid_row = $rows_output++;
649: my $respid_row = $rows_output++;
650: my $header_row = $rows_output++;
651: $worksheet->write($title_row ,0,'Problem Title',$format->{'bold'});
652: $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
653: $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
654: # Student headers
655: my @StudentColumns = ('username','domain','id','section');
656: foreach (@StudentColumns) {
657: $worksheet->write($header_row,$cols_output++,ucfirst($_),
658: $format->{'bold'});
659: }
660: # Problem headers
661: my %start_col;
662: foreach my $prob (@$Problems) {
663: my $title = $prob->compTitle;
664: $worksheet->write($title_row,$cols_output,
665: $title,$format->{'h3'});
666: foreach my $partid (@{$prob->parts}) {
667: $worksheet->write($partid_row,$cols_output,
668: $prob->part_display($partid));
669: my $responses = [$prob->responseIds($partid)];
670: my $resptypes = [$prob->responseType($partid)];
671: for (my $i=0;$i<scalar(@$responses);$i++) {
672: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
673: $cols_output;
674: $worksheet->write($respid_row,$cols_output,
675: $resptypes->[$i].', '.$responses->[$i]);
676: my @headers = &get_headers($prob,$partid,$responses->[$i],
677: $resptypes->[$i],
678: $problem_analysis{$prob->src},
679: 'excel','display',
680: @extra_resp_headers);
681: foreach my $text (@headers) {
682: if ($text eq 'Time') {
683: $worksheet->set_column($cols_output,$cols_output,undef,
684: $format->{'date'});
685: }
686: $worksheet->write($header_row,$cols_output++,$text);
687: }
688: }
689: }
690: }
691: #
692: # Populate the worksheet with the student data
693: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
694: ($r,'Excel File Compilation Status',
695: 'Excel File Compilation Progress',
696: scalar(@$Students),'inline',undef,'Statistics','stats_status');
697: my $max_row = $rows_output;
698: foreach my $student (@$Students) {
699: last if ($c->aborted());
700: $cols_output = 0;
701: my $student_row = $max_row;
702: foreach my $field (@StudentColumns) {
703: $worksheet->write($student_row,$cols_output++,
704: $student->{$field});
705: }
706: my $last_student_col = $cols_output-1;
707: foreach my $prob (@$Problems) {
708: foreach my $partid (@{$prob->parts}) {
709: my @Response = $prob->responseIds($partid);
710: my @ResponseType = $prob->responseType($partid);
711: for (my $i=0;$i<=$#Response;$i++) {
712: my $respid = $Response[$i];
713: my $resptype = $ResponseType[$i];
714: my $results =
715: &Apache::loncoursedata::get_response_data_by_student
716: ($student,$prob->symb(),$respid);
717: my @headers = &get_headers($prob,$partid,$respid,
718: $resptype,
719: $problem_analysis{$prob->src},
720: 'excel','normal',
721: @extra_resp_headers);
722:
723: if (! defined($results)) {
724: $results = [];
725: }
726: #
727: $rows_output = $student_row;
728: #
729: my $response_start_col = $start_col{$prob->symb}->{$partid}->{$respid};
730: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
731: $cols_output = $response_start_col;
732: if ($env{'form.all_sub'} ne 'true') {
733: next if ($j ne scalar(@$results)-1);
734: }
735: my $response = &hashify_response($results->[$j],
736: $prob,
737: $student,
738: $partid,
739: $respid);
740: my @response_data =
741: &compile_response_data(\@headers,$response,
742: $prob,$partid,$respid,
743: $resptype,
744: \&excel_format_item);
745: $worksheet->write_row($rows_output++,$cols_output,
746: \@response_data);
747: $cols_output+=scalar(@response_data);
748: if ($rows_output > $max_row) {
749: $max_row = $rows_output;
750: }
751: }
752: }
753: }
754: }
755: # Fill in the remaining rows with the students data
756: for (my $row = $student_row+1;$row<$max_row;$row++) {
757: my $cols = 0;
758: foreach my $field (@StudentColumns) {
759: $worksheet->write($row,$cols++,
760: $student->{$field});
761: }
762: }
763: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
764: 'last student');
765: }
766: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
767: #
768: # Close the excel file
769: $workbook->close();
770: #
771: # Write a link to allow them to download it
772: $r->print('<p><a href="'.$filename.'">'.
773: &mt('Your Excel spreadsheet.').
774: '</a></p>'."\n");
775: $r->print('<script>'.
776: 'window.document.Statistics.stats_status.value="'.
777: 'Done compiling spreadsheet. See link below to download.'.
778: '";</script>');
779: $r->rflush();
780: return;
781: }
782:
783: sub compile_response_data {
784: my ($headers,$response,$prob,$partid,$respid,$resptype,$format) = @_;
785: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
786: return ();
787: }
788: if (ref($format) ne 'CODE') {
789: $format = sub { return $_[0]; };
790: }
791: #
792: my $submission =
793: &HTML::Entities::decode
794: (&Apache::lonnet::unescape($response->{'Submission'}));
795: return () if (! defined($submission) || $submission eq '');
796: $submission =~ s/\\\"/\"/g;
797: $submission =~ s/\\\'/\'/g;
798: if ($resptype eq 'radiobutton') {
799: $submission =~ s/=([^=])$//;
800: }
801: $response->{'Submission'} = $submission;
802: #
803: my @values;
804: if ($resptype =~ /^(option|match|rank)$/) {
805: my %submission =
806: map {
807: my ($foil,$value) = split('=',&Apache::lonnet::unescape($_));
808: ($foil,$value);
809: } split('&',$response->{'Submission'});
810: my %correct;
811: if (exists($response->{'Correct'})) {
812: %correct =
813: map {
814: my ($foil,$value)=split('=',&Apache::lonnet::unescape($_));
815: ($foil,$value);
816: } split('&',$response->{'Correct'});
817: }
818: #
819: foreach my $original_header (@$headers) {
820: if ($original_header =~ /^_/) {
821: # '_' denotes a foil column
822: my ($header) = ($original_header =~ m/^_(.*)$/);
823: my $option = '';
824: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
825: if (exists($correct{$foil})) {
826: $option = $correct{$foil};
827: }
828: } elsif (exists($submission{$header})) {
829: $option = $submission{$header};
830: }
831: push(@values,&{$format}($option,$header));
832: } else {
833: # A normal column
834: push(@values,&{$format}($response->{$original_header},
835: $original_header));
836: }
837: }
838: } else {
839: @values = map { &{$format}($response->{$_},$_); } @$headers;
840: }
841: return @values;
842: }
843:
844: sub excel_format_item {
845: my ($item,$type) = @_;
846: if ($type eq 'Time') {
847: $item = &Apache::lonstathelpers::calc_serial($item);
848: } else {
849: if ($item =~ m/^=/) {
850: $item = ' '.$item;
851: }
852: $item =~ s/\\r//g;
853: $item =~ s/\\n/\n/g;
854: $item =~ s/(\s*$|^\s*)//g;
855: $item =~ s/\\\'/\'/g;
856: }
857: return $item;
858: }
859:
860: #########################################################
861: #########################################################
862: ##
863: ## CSV output of student answers
864: ##
865: #########################################################
866: #########################################################
867: sub prepare_csv_output {
868: my ($r,$problems,$students) = @_;
869: my $c = $r->connection();
870: #
871: $r->print('<h2>'.
872: &mt('Generating CSV report of student responses').'</h2>');
873: #
874: # Progress window
875: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
876: ($r,'CSV File Compilation Status',
877: 'CSV File Compilation Progress',
878: scalar(@$students),'inline',undef,'Statistics','stats_status');
879:
880: $r->rflush();
881: #
882: # Open a file
883: my $outputfile;
884: my $filename = '/prtspool/'.
885: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
886: time.'_'.rand(1000000000).'.csv';
887: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
888: $r->log_error("Couldn't open $filename for output $!");
889: $r->print("Problems occured in writing the csv file. ".
890: "This error has been logged. ".
891: "Please alert your LON-CAPA administrator.");
892: $outputfile = undef;
893: }
894: #
895: # Compute the number of columns per response
896: my @extra_resp_headers = &get_extra_response_headers();
897: #
898: # Create the table header
899: my @student_columns = ('username','domain','id','section');
900: #
901: my %headers;
902: push(@{$headers{'student'}},@student_columns);
903: # Pad for the student data
904: foreach my $row ('problem','part','response') {
905: $headers{$row}=[map {''} @student_columns];
906: }
907: #
908: # we put the headers into the %headers hash
909: my %problem_analysis;
910: my %start_col;
911: my $max_column = scalar(@student_columns);
912: foreach my $prob (@$problems) {
913: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
914: $problem_analysis{$prob->src}=\%analysis;
915: $headers{'problem'}->[$max_column] = $prob->compTitle;
916: foreach my $partid (@{$prob->parts}) {
917: $headers{'part'}->[$max_column] = $prob->part_display($partid);
918: my $responses = [$prob->responseIds($partid)];
919: my $resptypes = [$prob->responseType($partid)];
920: for (my $i=0;$i<scalar(@$responses);$i++) {
921: my @headers = &get_headers($prob,$partid,$responses->[$i],
922: $resptypes->[$i],
923: $problem_analysis{$prob->src},
924: 'csv','display',
925: @extra_resp_headers);
926: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
927: $max_column;
928: $headers{'response'}->[$max_column]=
929: &mt('Response [_1]',$responses->[$i]);
930: for (my $j=0;$j<=$#headers;$j++) {
931: $headers{'student'}->[$max_column+$j]=$headers[$j];
932: }
933: $max_column += scalar(@headers);
934: }
935: }
936: }
937: foreach my $row ('problem','part','response','student') {
938: print $outputfile '"'.
939: join('","',
940: map {
941: &Apache::loncommon::csv_translate($_);
942: } @{$headers{$row}}).'"'.$/;
943: }
944: #
945: # Main loop
946: foreach my $student (@$students) {
947: last if ($c->aborted());
948: my @rows;
949: foreach my $prob (@$problems) {
950: foreach my $partid (@{$prob->parts}) {
951: my @responses = $prob->responseIds($partid);
952: my @response_type = $prob->responseType($partid);
953: for (my $i=0;$i<=$#responses;$i++) {
954: my $respid = $responses[$i];
955: my $resptype = $response_type[$i];
956: my @headers = &get_headers($prob,$partid,$respid,$resptype,
957: $problem_analysis{$prob->src},
958: 'csv','normal',
959: @extra_resp_headers);
960: my $results =
961: &Apache::loncoursedata::get_response_data_by_student
962: ($student,$prob->symb(),$respid);
963: if (! defined($results)) {
964: $results = [];
965: }
966: for (my $j=0; $j<scalar(@$results);$j++) {
967: if ($env{'form.all_sub'} ne 'true') {
968: next if ($j != 0);
969: }
970: my $idx = scalar(@$results) - $j - 1;
971: my $response = &hashify_response($results->[$idx],
972: $prob,$student,
973: $partid,$respid);
974: my @data = &compile_response_data(\@headers,$response,
975: $prob,$partid,
976: $respid,$resptype,
977: \&csv_format_item);
978: my $resp_start_idx =
979: $start_col{$prob->symb}->{$partid}->{$respid};
980: for (my $k=0;$k<=$#data;$k++) {
981: $rows[$j]->[$resp_start_idx + $k] = $data[$k];
982: }
983: }
984: }
985: }
986: }
987: foreach my $row (@rows) {
988: print $outputfile '"'.join('","',
989: map { $student->{$_}; }
990: @student_columns).'"';
991: for (my $i=scalar(@student_columns);$i<$max_column;$i++) {
992: my $value = &Apache::loncommon::csv_translate($row->[$i]);
993: $value ||='';
994: print $outputfile ',"'.$value.'"';
995: }
996: print $outputfile $/;
997: }
998: undef(@rows);
999: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1000: 'last student');
1001: }
1002: close($outputfile);
1003: #
1004: # Close the progress window
1005: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1006: #
1007: # Tell the user where to get their csv file
1008: $r->print('<br />'.
1009: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1010: $r->rflush();
1011: return;
1012: }
1013:
1014: sub csv_format_item {
1015: my ($item,$type) = @_;
1016: if ($type eq 'Time') {
1017: $item = localtime($item);
1018: }
1019: $item =&Apache::loncommon::csv_translate($item);
1020: return $item;
1021: }
1022:
1023: #########################################################
1024: #########################################################
1025: ##
1026: ## Generic Interface Routines
1027: ##
1028: #########################################################
1029: #########################################################
1030: sub CreateInterface {
1031: ##
1032: ## Output Selection
1033: my $output_selector = $/.'<select name="output">'.$/;
1034: foreach ('HTML','Excel','CSV') {
1035: $output_selector .= ' <option value="'.lc($_).'"';
1036: if ($env{'form.output'} eq lc($_)) {
1037: $output_selector .= ' selected ';
1038: }
1039: $output_selector .='>'.&mt($_).'</option>'.$/;
1040: }
1041: $output_selector .= '</select>'.$/;
1042: ##
1043: ## Environment variable initialization
1044: my $Str = '';
1045: $Str .= &Apache::lonhtmlcommon::breadcrumbs
1046: (undef,'Student Submission Reports');
1047: $Str .= '<p>';
1048: $Str .= '<table cellspacing="5">'."\n";
1049: $Str .= '<tr>';
1050: $Str .= '<th>'.&mt('Sections').'</th>';
1051: $Str .= '<th>'.&mt('Enrollment Status').'</th>';
1052: $Str .= '<th>'.&mt('Output as [_1]',$output_selector).'</th>';
1053: $Str .= '</tr>'."\n";
1054: #
1055: $Str .= '<tr><td align="center">'."\n";
1056: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1057: $Str .= '</td>';
1058: #
1059: $Str .= '<td align="center">';
1060: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1061: $Str .= '</td>';
1062: #
1063: # Render problem checkbox
1064: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1065: if (exists($env{'form.renderprob'}) && $env{'form.renderprob'} eq 'true') {
1066: $prob_checkbox .= 'checked ';
1067: }
1068: $prob_checkbox .= 'value="true" />';
1069: #
1070: # Compute correct answers checkbox
1071: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1072: if (exists($env{'form.correctans'}) && $env{'form.correctans'} eq 'true') {
1073: $ans_checkbox .= 'checked ';
1074: }
1075: $ans_checkbox .= 'value="true" />';
1076: #
1077: # Show all submissions checkbox
1078: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1079: if (exists($env{'form.all_sub'}) &&
1080: $env{'form.all_sub'} eq 'true') {
1081: $all_sub_checkbox .= 'checked ';
1082: }
1083: $all_sub_checkbox.= 'value="true" />';
1084: #
1085: # problem status checkbox
1086: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1087: if (exists($env{'form.prob_status'}) &&
1088: $env{'form.prob_status'} eq 'true') {
1089: $prob_status_checkbox .= 'checked ';
1090: }
1091: $prob_status_checkbox .= 'value="true" />';
1092: #
1093: $Str .= '<td align="right" valign="top">'.
1094: '<label><b>'.
1095: &mt('Show problem [_1]',$prob_checkbox).'</b></label><br />'.
1096: '<label><b>'.
1097: &mt('Show correct answers [_1]',$ans_checkbox).'</b></label><br />'.
1098: '<label><b>'.
1099: &mt('Show all submissions [_1]',$all_sub_checkbox).
1100: '</b></label><br />'.
1101: '<label><b>'.
1102: &mt('Show problem grading [_1]',$prob_status_checkbox).
1103: '</b></label><br />'.
1104: '</td>';
1105: #
1106: $Str .= '</tr>'."\n";
1107: $Str .= '</table>'."\n";
1108: #
1109: $Str .= '<nobr>'.&mt('Status: [_1]',
1110: '<input type="text" '.
1111: 'name="stats_status" size="60" value="" />').
1112: '</nobr>'.'</p>';
1113: ##
1114: return $Str;
1115: }
1116:
1117: 1;
1118:
1119: __END__
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