File:
[LON-CAPA] /
loncom /
interface /
statistics /
lonstudentsubmissions.pm
Revision
1.60:
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Wed Aug 4 01:56:07 2010 UTC (13 years, 11 months ago) by
raeburn
Branches:
MAIN
CVS tags:
HEAD
- Bug 6119.
- identifying information about user not displayed for problem parts
with type set to anonymous survey (with/without credit).
- all items must be either anonymous survey items, or named items
when displaying submissions for selected items.
- rows of students is randomized when showing rows of submission data
for anonymous survey items.
1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.60 2010/08/04 01:56:07 raeburn 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: use lib '/home/httpd/lib/perl/';
41: use LONCAPA;
42:
43:
44: my @SubmitButtons = ({ name => 'SelectAnother',
45: text => 'Choose a different Problem' },
46: { name => 'Generate',
47: text => 'Generate Report'},
48: );
49:
50: sub BuildStudentSubmissionsPage {
51: my ($r,$c)=@_;
52: #
53: my %Saveable_Parameters = ('Status' => 'scalar',
54: 'Section' => 'array',
55: 'NumPlots' => 'scalar',
56: );
57: &Apache::loncommon::store_course_settings('student_submissions',
58: \%Saveable_Parameters);
59: &Apache::loncommon::restore_course_settings('student_submissions',
60: \%Saveable_Parameters);
61: #
62: &Apache::lonstatistics::PrepareClasslist();
63: #
64: $r->print(&CreateInterface());
65: #
66: my @Students = @Apache::lonstatistics::Students;
67: #
68: if (@Students < 1) {
69: $r->print('<div class="LC_warning">'
70: .&mt('There are no students in the sections selected.')
71: .'</div>');
72: }
73: #
74: my @CacheButtonHTML =
75: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status',
76: '<div class="LC_info">'.&mt('Loading student data...').'</div>');
77: $r->rflush();
78: #
79: my %anoncounter =
80: &Apache::lonnet::dump('nohist_anonsurveys',
81: $env{'course.'.$env{'request.course.id'}.'.domain'},
82: $env{'course.'.$env{'request.course.id'}.'.num'});
83: if (exists($env{'form.problemchoice'}) &&
84: ! exists($env{'form.SelectAnother'})) {
85: foreach my $button (@SubmitButtons) {
86: if ($button->{'name'} eq 'break') {
87: $r->print("<br />\n");
88: } else {
89: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
90: 'value="'.&mt($button->{'text'}).'" />');
91: $r->print(' 'x5);
92: }
93: }
94: foreach my $html (@CacheButtonHTML) {
95: $r->print($html.(' 'x5));
96: }
97: #
98: $r->print('<hr />'.$/);
99: $r->rflush();
100: #
101: # Determine which problems we are to analyze
102: my @Symbs =
103: &Apache::lonstathelpers::get_selected_symbs('problemchoice');
104:
105: # If there are multi-part problems with anonymous survey and named
106: # parts check if named was picked for display.
107: #
108: my %mixed_named;
109: foreach my $envkey (%env) {
110: if ($envkey =~ /^form\.mixed_(\d+:\d+)$/) {
111: my $item = $1;
112: if ($env{$envkey} =~ /^symb_(.+)$/) {
113: my $symb = &unescape($1);
114: if (ref($mixed_named{$symb}) eq 'ARRAY') {
115: push(@{$mixed_named{$symb}},$item);
116: } else {
117: @{$mixed_named{$symb}} = ($item);
118: }
119: }
120: }
121: }
122: #
123: # Get resource objects
124: my $navmap = Apache::lonnavmaps::navmap->new();
125: if (!defined($navmap)) {
126: foreach my $selected (@Symbs) {
127: $r->print('<input type="hidden" name="problemchoice" value="'.
128: &escape($selected).'" />'.$/);
129: if (ref($mixed_named{$selected}) eq 'ARRAY') {
130: foreach my $item (@{$mixed_named{$selected}}) {
131: $r->print('<input type="hidden" name="mixed_'.$item.'" value="'.&escape($selected).'" />'.$/);
132: }
133: }
134: }
135: $r->print('<div class="LC_error">'.&mt("Internal error").'</div>');
136: return;
137: }
138: my %already_seen;
139: my (@Problems,@anonProbs,@namedProbs,$show_named);
140: foreach my $symb (@Symbs) {
141: my $resource = $navmap->getBySymb($symb);
142: my ($hasanon,$hasnamed);
143: if (ref($resource)) {
144: foreach my $partid (@{$resource->parts}) {
145: if (($anoncounter{$symb."\0".$partid}) || ($resource->is_anonsurvey($partid))) {
146: unless (exists($mixed_named{$symb})) {
147: $hasanon = 1;
148: }
149: } else {
150: $hasnamed = 1;
151: }
152: }
153: if ($hasanon) {
154: push(@anonProbs,$resource);
155: } elsif ($hasnamed) {
156: push(@namedProbs,$resource);
157: }
158: }
159: }
160: if (@namedProbs > 0) {
161: @Problems = @namedProbs;
162: $show_named = 1;
163: } elsif (@anonProbs > 0) {
164: @Problems = @anonProbs;
165: }
166: foreach my $selected (@Symbs) {
167: $r->print('<input type="hidden" name="problemchoice" value="'.
168: &escape($selected).'" />'.$/);
169: if (ref($mixed_named{$selected}) eq 'ARRAY') {
170: foreach my $item (@{$mixed_named{$selected}}) {
171: $r->print('<input type="hidden" name="mixed_'.$item.'" value="'.&escape($selected).'" />'.$/);
172: }
173: }
174: }
175: # If these are to be anonymized, do a random shuffle of @Students.
176: unless ($show_named) {
177: &array_shuffle(\@Students);
178: }
179: #
180: $r->print('<h4>'.
181: &Apache::lonstatistics::section_and_enrollment_description().
182: '</h4>');
183: if (! scalar(@Problems) || ! defined($Problems[0])) {
184: $r->print('resource is undefined');
185: } else {
186: if (scalar(@Problems) == 1) {
187: my $resource = $Problems[0];
188: $r->print('<h1>'.$resource->title.'</h1>');
189: $r->print('<h3>'.$resource->src.'</h3>');
190: if ($env{'form.renderprob'} eq 'true') {
191: $r->print(&Apache::lonstathelpers::render_resource($resource));
192: $r->rflush();
193: }
194: }
195: if ($env{'form.output'} eq 'excel') {
196: &prepare_excel_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
197: } elsif ($env{'form.output'} eq 'csv') {
198: &prepare_csv_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
199: } else {
200: &prepare_html_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
201: }
202: }
203: $r->print('<hr />');
204: } else {
205: $r->print('<input type="submit" name="Generate" value="'.
206: &mt('Prepare Report').'" />');
207: $r->print(' 'x5);
208: $r->print('<p>'.
209: &mt('Computing correct answers greatly increasese the amount of time required to prepare a report.').
210: '</p>');
211: $r->print('<p>'.
212: &mt('Please select problems and use the [_1]Prepare Report[_2] button to continue.','<b>','</b>').
213: '</p>');
214: $r->print(&Apache::lonstathelpers::MultipleProblemSelector
215: (undef,'problemchoice','Statistics',\%anoncounter));
216: }
217: }
218:
219: sub array_shuffle {
220: my $array = shift;
221: return unless (ref($array) eq 'ARRAY');
222: my $i = scalar(@$array);
223: my $j;
224: foreach my $item (@$array) {
225: --$i;
226: $j = int(rand($i+1));
227: next if($i == $j);
228: @$array [$i,$j] = @$array[$j,$i];
229: }
230: return @$array;
231: }
232:
233: ##
234: ## get_extra_response_headers
235: ##
236: sub get_extra_response_headers {
237: my ($show_named) = @_;
238: my @extra_resp_headers;
239: if ($env{'form.correctans'} eq 'true') {
240: push(@extra_resp_headers,'Correct');
241: }
242: if ($show_named) {
243: if ($env{'form.prob_status'} eq 'true') {
244: push(@extra_resp_headers,'Award Detail');
245: push(@extra_resp_headers,'Time');
246: push(@extra_resp_headers,'Attempt');
247: push(@extra_resp_headers,'Awarded');
248: }
249: }
250: return @extra_resp_headers;
251: }
252:
253: ##
254: ## get_headers:
255: ## return the proper headers for the given response
256: sub get_headers {
257: my ($prob,$partid,$respid,$resptype,$analysis,$output,$purpose,
258: @basic_headers) = @_;
259: my @headers;
260: if ($resptype eq 'essay' && $purpose eq 'display' &&
261: ($output eq 'html')) {# || scalar(@{$prob->parts})!=1)) {
262: @headers = ();
263: } elsif ($resptype =~ /^(option|match|rank)$/) {
264: my $prefix = '_';
265: if ($purpose eq 'display') {
266: $prefix = '';
267: }
268: my @foils =
269: map {
270: $prefix.$_;
271: } sort(keys(%{$analysis->{$partid.'.'.$respid}->{'_Foils'}}));
272: if (scalar(@basic_headers) && $basic_headers[0] eq 'Correct') {
273: @foils = map { ($_ , $_.' Correct') } @foils;
274: shift(@basic_headers); # Get rid of 'Correct'
275: }
276: @headers = (@foils,@basic_headers);
277: } elsif (lc($resptype) eq 'task') {
278: @headers = ('Grader','Status',@basic_headers,'Submission');
279: } else {
280: @headers = ('Submission',@basic_headers);
281: }
282: return @headers;
283: }
284:
285: #########################################################
286: #########################################################
287: ##
288: ## HTML Output Routines
289: ##
290: #########################################################
291: #########################################################
292: sub prepare_html_output {
293: my ($r,$problems,$students,$anoncounter,$show_named) = @_;
294: my $c = $r->connection();
295: #
296: # Set a flag for the case when there is just one problem
297: my $single_response = 0;
298: if (scalar(@$problems) == 1 &&
299: $problems->[0]->countResponses == 1) {
300: $single_response = 1;
301: }
302: #
303: # Compute the number of columns per response
304: my @extra_resp_headers = &get_extra_response_headers($show_named);
305: #
306: # Create the table header
307: my @student_columns;
308: if ($show_named) {
309: @student_columns = @Apache::lonstatistics::SelectedStudentData;
310: if (grep(/^all$/,@student_columns)) {
311: @student_columns = qw(fullname username domain id section status groups comments);
312: }
313: } else {
314: @student_columns = ('username');
315: }
316: #
317: my %headers;
318: my $student_column_count = scalar(@student_columns);
319: $headers{'problem'} = qq{<th colspan="$student_column_count">\ </th>};
320: foreach (@student_columns) {
321: $headers{'student'}.= '<th>'.ucfirst($_).'</th>';
322: }
323: #
324: # we put the headers into the %headers hash
325: my $total_col = scalar(@student_columns);
326: my $nonempty_part_headers = 0;
327: #
328: my %problem_analysis;
329: foreach my $prob (@$problems) {
330: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
331: $problem_analysis{$prob->src}=\%analysis;
332: my $symb = $prob->symb();
333: #
334: my $prob_span = 0;
335: my $single_part = 0;
336: if (scalar(@{$prob->parts}) == 1) {
337: $single_part = 1;
338: }
339: my $shown_parts = 0;
340: foreach my $partid (@{$prob->parts}) {
341: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
342: next if ($show_named);
343: } else {
344: next unless ($show_named);
345: }
346: $shown_parts ++;
347: my $part_span = 0;
348: my $responses = [$prob->responseIds($partid)];
349: my $resptypes = [$prob->responseType($partid)];
350: for (my $i=0;$i<scalar(@$responses);$i++) {
351: my $respid = $responses->[$i];
352: my @headers = &get_headers($prob,$partid,$respid,
353: $resptypes->[$i],
354: $problem_analysis{$prob->src},
355: 'html','display',
356: @extra_resp_headers);
357: if (scalar(@headers)>0) {
358: $total_col += scalar(@headers);
359: $part_span += scalar(@headers);
360: $headers{'response'} .=
361: '<th colspan="'.scalar(@headers).'">'.
362: &mt('Response [_1]',$responses->[$i]).'</th>';
363: $headers{'student'}.= '<th><span class="LC_nobreak">'.
364: join('</span></th><th><span class="LC_nobreak">',
365: @headers).
366: '</span></th>';
367: }
368: }
369: if ($part_span == 0) {
370: next;
371: }
372: if (! $single_part) {
373: my $tmpname = $partid;
374: if ($partid =~/^\d+$/) {
375: $tmpname = $prob->part_display($partid);
376: }
377: if ($tmpname !~ /^part/) {
378: $tmpname = 'Part '.$tmpname;
379: }
380: $headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
381: $nonempty_part_headers = 1;
382: } else {
383: $headers{'part'} .= qq{<th colspan="$part_span"> </th>};
384: }
385: $prob_span += $part_span;
386: }
387: next if (!$shown_parts);
388: my $title = $prob->compTitle;
389: if ($prob_span > 0) {
390: $headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
391: } elsif ($single_response) {
392: $prob_span = scalar(@student_columns);
393: $headers{'problem'} = qq{<th colspan="$prob_span">$title</th>};
394: }
395: }
396: if (exists($headers{'part'})) {
397: $headers{'part'} = qq{<th colspan="$student_column_count">\ </th>}.
398: $headers{'part'};
399: }
400: if (exists($headers{'response'})) {
401: $headers{'response'}=
402: qq{<th colspan="$student_column_count">\ </th>}.
403: $headers{'response'};
404: }
405: my $full_header = $/.'<table>'.$/;
406: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
407: if ($nonempty_part_headers) {
408: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
409: }
410: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
411: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
412: #
413: # Main loop
414: my $count;
415: $r->print($/.$full_header.$/);
416: my $row_class = 'odd'; # css
417: foreach my $student (@$students) {
418: my $student_row_data;
419: if ($count++ >= 30) {
420: $r->print('</table>'.$/.$full_header.$/);
421: $count = 0;
422: }
423: last if ($c->aborted());
424: if ($show_named) {
425: foreach my $field (@student_columns) {
426: $student_row_data .= '<td valign="top">';
427: # handle comments like in lonstudentassessment.pm
428: if($field eq 'comments') {
429: $student_row_data .=
430: '<a href="/adm/'.$student->{'domain'}.'/'.
431: $student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
432: } else {
433: $student_row_data .= $student->{$field};
434: }
435: $student_row_data .= '</td>';
436: }
437: } else {
438: $student_row_data = '<td valign="top" colspan="'.$student_column_count.'">'.&mt('Anonymized').'</td>';
439: }
440: #
441: # Figure out what it is we need to output for this student
442: my @essays;
443: my %prob_data;
444: my $maxrow;
445: foreach my $prob (@$problems) {
446: my $symb = $prob->symb;
447: $prob_data{$symb}={};
448: foreach my $partid (@{$prob->parts}) {
449: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
450: next if ($show_named);
451: } else {
452: next unless ($show_named);
453: }
454: my @responses = $prob->responseIds($partid);
455: my @response_type = $prob->responseType($partid);
456: for (my $i=0;$i<=$#responses;$i++) {
457: my $respid = $responses[$i];
458: my $results =
459: &Apache::loncoursedata::get_response_data_by_student
460: ($student,$prob->symb(),$respid);
461: my $resptype = $response_type[$i];
462: my @headers = &get_headers($prob,$partid,$respid,
463: $resptype,
464: $problem_analysis{$prob->src},
465: 'html','normal',
466: @extra_resp_headers);
467: my $width = scalar(@headers);
468: next if ($width < 1);
469: my $resp_data;
470: $resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
471: if (! defined($results)) {
472: $results = [];
473: }
474: #
475: if (scalar(@$results) > $maxrow && $resptype ne 'essay') {
476: $maxrow = scalar(@$results);
477: }
478: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
479: if ($env{'form.all_sub'} ne 'true') {
480: next if ($j ne scalar(@$results)-1);
481: }
482: my $response = &hashify_response($results->[$j],
483: $prob,
484: $student,
485: $partid,
486: $respid);
487: if ($resptype eq 'essay') {
488: push(@essays,
489: &html_essay_results(\@headers,
490: $prob,$partid,$respid,
491: $response,
492: $single_response).
493: '</td>');
494: } elsif (lc($resptype) eq 'task') {
495: my $results =
496: &html_task_results(\@headers,
497: $prob,$partid,$respid,
498: $response,$resptype);
499: if ($results) {
500: push(@{$resp_data->{'real'}},$results);
501: }
502: } else {
503: push(@{$resp_data->{'real'}},
504: &html_non_essay_results(\@headers,
505: $prob,$partid,$respid,
506: $response,$resptype));
507: }
508: }
509: $prob_data{$prob->symb}->{$partid}->{$respid}=$resp_data;
510: } # end of $i loop
511: } # end of partid loop
512: } # end of prob loop
513: #
514: # if there is no data, skip this student.
515: next if (! $maxrow && ! scalar(@essays));
516: #
517: # Go through the problem data and output a row.
518: if ($row_class eq 'even') {
519: $row_class = 'odd';
520: } else {
521: $row_class = 'even';
522: }
523: my $printed_something;
524: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
525: my $html;
526: my $no_data = 1;
527: foreach my $prob (@$problems) {
528: foreach my $partid (@{$prob->parts}) {
529: my @responses = $prob->responseIds($partid);
530: my @response_type = $prob->responseType($partid);
531: for (my $i=0;$i<=$#responses;$i++) {
532: my $respid = $responses[$i];
533: my $resp_data =
534: $prob_data{$prob->symb}->{$partid}->{$respid};
535: next if ($response_type[$i] eq 'essay');
536: if (defined($resp_data->{'real'}->[$rows_output])) {
537: $html .= $resp_data->{'real'}->[$rows_output];
538: $no_data = 0;
539: } else {
540: $html .= $resp_data->{'fake'};
541: }
542: }
543: }
544: }
545: if (! $no_data) {
546: $r->print(qq{<tr class="$row_class">$student_row_data$html</tr>}.$/);
547: $printed_something=1;
548: }
549: }
550: if (@essays) {
551: my $tr = qq{<tr class="$row_class">};
552: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
553: if (! $printed_something) {
554: $r->print($tr.$student_row_data.'</tr>'.$/);
555: }
556: $r->print($tr.$td.
557: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
558: undef(@essays);
559: }
560: } # end of student loop
561: $r->print('</table>'.$/);
562: return;
563: }
564:
565: sub hashify_response {
566: my ($response,$prob,$student,$partid,$respid) =@_;
567: my $resp_hash = {};
568: if ($env{'form.correctans'} eq 'true') {
569: $resp_hash->{'Correct'} =
570: &Apache::lonstathelpers::get_student_answer
571: ($prob,$student->{'username'},$student->{'domain'},
572: $partid,$respid);
573: }
574: $resp_hash->{'Submission'} =
575: $response->[&Apache::loncoursedata::RDs_submission()];
576: $resp_hash->{'Time'} =
577: $response->[&Apache::loncoursedata::RDs_timestamp()];
578: $resp_hash->{'Attempt'} =
579: $response->[&Apache::loncoursedata::RDs_tries()];
580: $resp_hash->{'Awarded'} =
581: $response->[&Apache::loncoursedata::RDs_awarded()];
582: if ($prob->is_task()) {
583: $resp_hash->{'Grader'} =
584: $response->[&Apache::loncoursedata::RDs_response_eval_2()];
585: if ($resp_hash->{'Attempt'} eq '0') {
586: $resp_hash->{'Attempt'} = '';
587: }
588: $resp_hash->{'Award Detail'} =
589: $response->[&Apache::loncoursedata::RDs_part_award()];
590: $resp_hash->{'Status'} =
591: $response->[&Apache::loncoursedata::RDs_response_eval()];
592: } else {
593: $resp_hash->{'Award Detail'} =
594: $response->[&Apache::loncoursedata::RDs_awarddetail()];
595: }
596:
597: return $resp_hash;
598: }
599:
600: #####################################################
601: ##
602: ## HTML helper routines
603: ##
604: #####################################################
605: sub html_essay_results {
606: my ($headers,$prob,$partid,$respid,$response,$single_response)=@_;
607: if (! ref($headers) || ref($headers) ne 'ARRAY') {
608: return '';
609: }
610: # Start of telling them what problem, part, and response
611: my $Str;
612: if (! $single_response) {
613: my $id = $prob->compTitle;
614: if (defined($partid) && $partid ne '0') {
615: $id .= ' '.$prob->part_display($partid);
616: }
617: if (defined($respid)) {
618: $id .= ' '.$respid;
619: }
620: $Str .= '<span class="LC_nobreak">'.$id.'</span>'.(' 'x4);
621: }
622: #
623: shift(@$headers); # Get rid of the Submission header
624: my $correct = '';
625: if ($headers->[0] eq 'Correct') {
626: $correct = &html_format_essay_sub($response->{'Correct'});
627: shift(@$headers);
628: }
629: $Str .= '<span class="LC_nobreak">'.
630: join('',
631: map {
632: (' 'x4).&mt($_.': [_1]',$response->{$_});
633: } @$headers).'</span>';
634: if (@$headers || ! $single_response) {
635: $Str .= '<br />';
636: }
637: $Str .= &html_format_essay_sub($response->{'Submission'});
638: #
639: if (defined($correct) && $correct !~ /^\s*$/) {
640: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
641: }
642: return $Str;
643: }
644:
645: sub html_format_essay_sub {
646: my ($submission) = @_;
647: return '' if (! defined($submission) || $submission eq '');
648: $submission = &HTML::Entities::decode($submission);
649: $submission =~ s/\\\"/\"/g;
650: $submission =~ s/\\\'/\'/g;
651: $submission =~ s|\\r\\n|$/|g;
652: $submission = &HTML::Entities::encode($submission,'<>&"');
653: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
654: $submission =~ s|\\||g;
655: $submission = '<p>'.$submission.'</p>';
656: return $submission;
657: }
658:
659: sub html_task_results {
660: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
661: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
662: return '';
663: }
664:
665: my @values;
666: @values = map { $response->{$_}; } @$headers;
667:
668: my $td = '<td valign="top">';
669: my $str = $td.join('</td>'.$td,@values).'</td>';
670: return $str;
671: }
672:
673: sub html_non_essay_results {
674: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
675: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
676: return '';
677: }
678: #
679: my $submission = &HTML::Entities::decode(&unescape($response->{'Submission'}));
680: return '' if (! defined($submission) || $submission eq '');
681: $submission =~ s/\\\"/\"/g;
682: $submission =~ s/\\\'/\'/g;
683: if ($resptype eq 'radiobutton') {
684: $submission = &HTML::Entities::encode($submission,'<>&"');
685: $submission =~ s/=([^=])$//;
686: $submission = '<span class="LC_nobreak">'.$submission.'</span>';
687: }
688: $response->{'Submission'} = $submission;
689: #
690: my @values;
691: if ($resptype =~ /^(option|match|rank)$/) {
692: my %submission =
693: map {
694: my ($foil,$value) = split('=',&unescape($_));
695: ($foil,$value);
696: } split('&',$response->{'Submission'});
697: my %correct;
698: if (exists($response->{'Correct'})) {
699: %correct =
700: map {
701: my ($foil,$value)=split('=',&unescape($_));
702: ($foil,$value);
703: } split('&',$response->{'Correct'});
704: }
705: #
706: foreach my $original_header (@$headers) {
707: if ($original_header =~ /^_/) {
708: # '_' denotes a foil column
709: my ($header) = ($original_header =~ m/^_(.*)$/);
710: my $option = '';
711: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
712: if (exists($correct{$foil})) {
713: $option = $correct{$foil};
714: }
715: } elsif (exists($submission{$header})) {
716: $option = $submission{$header};
717: }
718: push(@values,&HTML::Entities::encode($option));
719: } elsif ($original_header eq 'Time') {
720: push(@values,&Apache::lonlocal::locallocaltime($response->{$original_header}));
721: } else {
722: # A normal column
723: push(@values,$response->{$original_header});
724: }
725: }
726: } else {
727: @values = map { $response->{$_}; } @$headers;
728: }
729: my $td = '<td valign="top">';
730: my $str = $td.join('</td>'.$td,@values).'</td>';
731: return $str;
732: }
733:
734:
735: #########################################################
736: #########################################################
737: ##
738: ## Excel Output Routines
739: ##
740: #########################################################
741: #########################################################
742: sub prepare_excel_output {
743: my ($r,$Problems,$Students,$anoncounter,$show_named) = @_;
744: my $c = $r->connection();
745: #
746: #
747: # Determine the number of columns in the spreadsheet
748: my $columncount = 3; # username, domain, id
749: my @extra_resp_headers = &get_extra_response_headers($show_named);
750: my $lastprob;
751: my %problem_analysis;
752: foreach my $prob (@$Problems) {
753: my $symb = $prob->symb();
754: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
755: $problem_analysis{$prob->src}=\%analysis;
756: foreach my $partid (@{$prob->parts}) {
757: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
758: next if ($show_named);
759: } else {
760: next unless ($show_named);
761: }
762:
763: my $responses = [$prob->responseIds($partid)];
764: my $resptypes = [$prob->responseType($partid)];
765: for (my $i=0;$i<scalar(@$responses);$i++) {
766: my @headers = &get_headers($prob,$partid,$responses->[$i],
767: $resptypes->[$i],
768: $problem_analysis{$prob->src},
769: 'excel','display',
770: @extra_resp_headers);
771: $columncount += scalar(@headers);
772: }
773: }
774: last if ($columncount > 255);
775: $lastprob = $prob;
776: }
777: if ($columncount > 255) {
778: $r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
779: '<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>'.$/.
780: '<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/);
781: if (ref($lastprob)) {
782: $r->print('<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
783: }
784: $r->rflush();
785: return;
786: }
787: #
788: # Print out a message telling them what we are doing
789: if (scalar(@$Problems) > 1) {
790: $r->print('<h2>'.
791: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
792: scalar(@$Problems)).
793: '</h2>');
794: } else {
795: $r->print('<h2>'.
796: &mt('Preparing Excel spreadsheet of student responses').
797: '</h2>');
798: }
799: $r->rflush();
800: #
801: # Create the excel spreadsheet
802: my ($workbook,$filename,$format) =
803: &Apache::loncommon::create_workbook($r);
804: return if (! defined($workbook));
805: my $worksheet = $workbook->addworksheet('Student Submission Data');
806: #
807: # Add headers to the worksheet
808: my $rows_output = 0;
809: $worksheet->write($rows_output++,0,
810: $env{'course.'.$env{'request.course.id'}.'.description'},
811: $format->{'h1'});
812: $rows_output++;
813: my $cols_output = 0;
814: my $title_row = $rows_output++;
815: my $partid_row = $rows_output++;
816: my $respid_row = $rows_output++;
817: my $header_row = $rows_output++;
818: $worksheet->write($title_row ,0,'Problem Title',$format->{'bold'});
819: $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
820: $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
821: # Student headers
822: my @StudentColumns;
823: if ($show_named) {
824: @StudentColumns = qw(username domain id section);
825: } else {
826: @StudentColumns = qw(username);
827: }
828: foreach (@StudentColumns) {
829: $worksheet->write($header_row,$cols_output++,ucfirst($_),
830: $format->{'bold'});
831: }
832: # Problem headers
833: my %start_col;
834: foreach my $prob (@$Problems) {
835: my $title = $prob->compTitle;
836: my $symb = $prob->symb();
837: $worksheet->write($title_row,$cols_output,
838: $title,$format->{'h3'});
839: foreach my $partid (@{$prob->parts}) {
840: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
841: next if ($show_named);
842: } else {
843: next unless ($show_named);
844: }
845: $worksheet->write($partid_row,$cols_output,
846: $prob->part_display($partid));
847: my $responses = [$prob->responseIds($partid)];
848: my $resptypes = [$prob->responseType($partid)];
849: for (my $i=0;$i<scalar(@$responses);$i++) {
850: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
851: $cols_output;
852: $worksheet->write($respid_row,$cols_output,
853: $resptypes->[$i].', '.$responses->[$i]);
854: my @headers = &get_headers($prob,$partid,$responses->[$i],
855: $resptypes->[$i],
856: $problem_analysis{$prob->src},
857: 'excel','display',
858: @extra_resp_headers);
859: foreach my $text (@headers) {
860: if ($text eq 'Time') {
861: $worksheet->set_column($cols_output,$cols_output,undef,
862: $format->{'date'});
863: }
864: $worksheet->write($header_row,$cols_output++,$text);
865: }
866: }
867: }
868: }
869: #
870: # Populate the worksheet with the student data
871: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
872: ($r,'Excel File Compilation Status',
873: 'Excel File Compilation Progress',
874: scalar(@$Students),'inline',undef,'Statistics','stats_status');
875: my $max_row = $rows_output;
876: foreach my $student (@$Students) {
877: last if ($c->aborted());
878: $cols_output = 0;
879: my $student_row = $max_row;
880: foreach my $field (@StudentColumns) {
881: if ($show_named) {
882: $worksheet->write($student_row,$cols_output++,
883: $student->{$field});
884: } else {
885: $worksheet->write($student_row,$cols_output++,
886: &mt('Anonymized'));
887: }
888: }
889: my $last_student_col = $cols_output-1;
890: foreach my $prob (@$Problems) {
891: my $symb = $prob->symb();
892: foreach my $partid (@{$prob->parts}) {
893: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
894: next if ($show_named);
895: } else {
896: next unless ($show_named);
897: }
898: my @Response = $prob->responseIds($partid);
899: my @ResponseType = $prob->responseType($partid);
900: for (my $i=0;$i<=$#Response;$i++) {
901: my $respid = $Response[$i];
902: my $resptype = $ResponseType[$i];
903: my $results =
904: &Apache::loncoursedata::get_response_data_by_student
905: ($student,$prob->symb(),$respid);
906: my @headers = &get_headers($prob,$partid,$respid,
907: $resptype,
908: $problem_analysis{$prob->src},
909: 'excel','normal',
910: @extra_resp_headers);
911:
912: if (! defined($results)) {
913: $results = [];
914: }
915: #
916: $rows_output = $student_row;
917: #
918: my $response_start_col = $start_col{$prob->symb}->{$partid}->{$respid};
919: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
920: $cols_output = $response_start_col;
921: if ($env{'form.all_sub'} ne 'true') {
922: next if ($j ne scalar(@$results)-1);
923: }
924: my $response = &hashify_response($results->[$j],
925: $prob,
926: $student,
927: $partid,
928: $respid);
929: my @response_data =
930: &compile_response_data(\@headers,$response,
931: $prob,$partid,$respid,
932: $resptype,
933: \&excel_format_item);
934: $worksheet->write_row($rows_output++,$cols_output,
935: \@response_data);
936: $cols_output+=scalar(@response_data);
937: if ($rows_output > $max_row) {
938: $max_row = $rows_output;
939: }
940: }
941: }
942: }
943: }
944: # Fill in the remaining rows with the students data
945: for (my $row = $student_row+1;$row<$max_row;$row++) {
946: my $cols = 0;
947: foreach my $field (@StudentColumns) {
948: if ($show_named) {
949: $worksheet->write($row,$cols++,
950: $student->{$field});
951: } else {
952: $worksheet->write($row,$cols++,
953: &mt('Anonymized'));
954: }
955: }
956: }
957: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
958: 'last student');
959: }
960: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
961: #
962: # Close the excel file
963: $workbook->close();
964: #
965: # Write a link to allow them to download it
966: $r->print('<p><a href="'.$filename.'">'.
967: &mt('Your Excel spreadsheet.').
968: '</a></p>'."\n");
969: $r->print('<script>'.
970: 'window.document.Statistics.stats_status.value="'.
971: 'Done compiling spreadsheet. See link below to download.'.
972: '";</script>');
973: $r->rflush();
974: return;
975: }
976:
977: sub compile_response_data {
978: my ($headers,$response,$prob,$partid,$respid,$resptype,$format) = @_;
979: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
980: return ();
981: }
982: if (ref($format) ne 'CODE') {
983: $format = sub { return $_[0]; };
984: }
985: #
986: my $submission =
987: &HTML::Entities::decode
988: (&unescape($response->{'Submission'}));
989: if (!$prob->is_task()) {
990: return () if (! defined($submission) || $submission eq '');
991: }
992: $submission =~ s/\\\"/\"/g;
993: $submission =~ s/\\\'/\'/g;
994: if ($resptype eq 'radiobutton') {
995: $submission =~ s/=([^=])$//;
996: }
997: $response->{'Submission'} = $submission;
998: #
999: my @values;
1000: if ($resptype =~ /^(option|match|rank)$/) {
1001: my %submission =
1002: map {
1003: my ($foil,$value) = split('=',&unescape($_));
1004: ($foil,$value);
1005: } split('&',$response->{'Submission'});
1006: my %correct;
1007: if (exists($response->{'Correct'})) {
1008: %correct =
1009: map {
1010: my ($foil,$value)=split('=',&unescape($_));
1011: ($foil,$value);
1012: } split('&',$response->{'Correct'});
1013: }
1014: #
1015: foreach my $original_header (@$headers) {
1016: if ($original_header =~ /^_/) {
1017: # '_' denotes a foil column
1018: my ($header) = ($original_header =~ m/^_(.*)$/);
1019: my $option = '';
1020: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
1021: if (exists($correct{$foil})) {
1022: $option = $correct{$foil};
1023: }
1024: } elsif (exists($submission{$header})) {
1025: $option = $submission{$header};
1026: }
1027: push(@values,&{$format}($option,$header));
1028: } else {
1029: # A normal column
1030: push(@values,&{$format}($response->{$original_header},
1031: $original_header));
1032: }
1033: }
1034: } else {
1035: @values = map { &{$format}($response->{$_},$_); } @$headers;
1036: }
1037: return @values;
1038: }
1039:
1040: sub excel_format_item {
1041: my ($item,$type) = @_;
1042: if ($type eq 'Time') {
1043: $item = &Apache::lonstathelpers::calc_serial($item);
1044: } else {
1045: if ($item =~ m/^=/) {
1046: $item = ' '.$item;
1047: }
1048: $item =~ s/\\r//g;
1049: $item =~ s/\\n/\n/g;
1050: $item =~ s/(\s*$|^\s*)//g;
1051: $item =~ s/\\\'/\'/g;
1052: }
1053: return $item;
1054: }
1055:
1056: #########################################################
1057: #########################################################
1058: ##
1059: ## CSV output of student answers
1060: ##
1061: #########################################################
1062: #########################################################
1063: sub prepare_csv_output {
1064: my ($r,$problems,$students,$anoncounter,$show_named) = @_;
1065: my $c = $r->connection();
1066: #
1067: $r->print('<h2>'.
1068: &mt('Generating CSV report of student responses').'</h2>');
1069: #
1070: # Progress window
1071: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1072: ($r,'CSV File Compilation Status',
1073: 'CSV File Compilation Progress',
1074: scalar(@$students),'inline',undef,'Statistics','stats_status');
1075:
1076: $r->rflush();
1077: #
1078: # Open a file
1079: my $outputfile;
1080: my $filename = '/prtspool/'.
1081: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1082: time.'_'.rand(1000000000).'.csv';
1083: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1084: $r->log_error("Couldn't open $filename for output $!");
1085: $r->print(
1086: '<p class="LC_error">'
1087: .&mt('Problems occurred in writing the CSV file.')
1088: .' '.&mt('This error has been logged.')
1089: .' '.&mt('Please alert your LON-CAPA administrator.')
1090: .'</p>'
1091: );
1092: $outputfile = undef;
1093: }
1094: #
1095: # Compute the number of columns per response
1096: my @extra_resp_headers = &get_extra_response_headers($show_named);
1097: #
1098: # Create the table header
1099: my @student_columns = ('username','domain','id','section');
1100: if ($show_named) {
1101: @student_columns = qw(username domain id section);
1102: } else {
1103: @student_columns = qw(username);
1104: }
1105: my $student_column_count = scalar(@student_columns);
1106: #
1107: my %headers;
1108: push(@{$headers{'student'}},@student_columns);
1109: # Pad for the student data
1110: foreach my $row ('problem','part','response') {
1111: $headers{$row}=[map {''} @student_columns];
1112: }
1113: #
1114: # we put the headers into the %headers hash
1115: my %problem_analysis;
1116: my %start_col;
1117: my $max_column = scalar(@student_columns);
1118: foreach my $prob (@$problems) {
1119: my $symb = $prob->symb();
1120: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
1121: $problem_analysis{$prob->src}=\%analysis;
1122: $headers{'problem'}->[$max_column] = $prob->compTitle;
1123: foreach my $partid (@{$prob->parts}) {
1124: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
1125: next if ($show_named);
1126: } else {
1127: next unless ($show_named);
1128: }
1129: $headers{'part'}->[$max_column] = $prob->part_display($partid);
1130: my $responses = [$prob->responseIds($partid)];
1131: my $resptypes = [$prob->responseType($partid)];
1132: for (my $i=0;$i<scalar(@$responses);$i++) {
1133: my @headers = &get_headers($prob,$partid,$responses->[$i],
1134: $resptypes->[$i],
1135: $problem_analysis{$prob->src},
1136: 'csv','display',
1137: @extra_resp_headers);
1138: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
1139: $max_column;
1140: $headers{'response'}->[$max_column]=
1141: &mt('Response [_1]',$responses->[$i]);
1142: for (my $j=0;$j<=$#headers;$j++) {
1143: $headers{'student'}->[$max_column+$j]=$headers[$j];
1144: }
1145: $max_column += scalar(@headers);
1146: }
1147: }
1148: }
1149: foreach my $row ('problem','part','response','student') {
1150: print $outputfile '"'.
1151: join('","',
1152: map {
1153: &Apache::loncommon::csv_translate($_);
1154: } @{$headers{$row}}).'"'.$/;
1155: }
1156: #
1157: # Main loop
1158: foreach my $student (@$students) {
1159: last if ($c->aborted());
1160: my @rows;
1161: foreach my $prob (@$problems) {
1162: my $symb = $prob->symb;
1163: foreach my $partid (@{$prob->parts}) {
1164: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
1165: next if ($show_named);
1166: } else {
1167: next unless ($show_named);
1168: }
1169: my @responses = $prob->responseIds($partid);
1170: my @response_type = $prob->responseType($partid);
1171: for (my $i=0;$i<=$#responses;$i++) {
1172: my $respid = $responses[$i];
1173: my $resptype = $response_type[$i];
1174: my @headers = &get_headers($prob,$partid,$respid,$resptype,
1175: $problem_analysis{$prob->src},
1176: 'csv','normal',
1177: @extra_resp_headers);
1178: my $results =
1179: &Apache::loncoursedata::get_response_data_by_student
1180: ($student,$prob->symb(),$respid);
1181: if (! defined($results)) {
1182: $results = [];
1183: }
1184: for (my $j=0; $j<scalar(@$results);$j++) {
1185: if ($env{'form.all_sub'} ne 'true') {
1186: next if ($j != 0);
1187: }
1188: my $idx = scalar(@$results) - $j - 1;
1189: my $response = &hashify_response($results->[$idx],
1190: $prob,$student,
1191: $partid,$respid);
1192: my @data = &compile_response_data(\@headers,$response,
1193: $prob,$partid,
1194: $respid,$resptype,
1195: \&csv_format_item);
1196: my $resp_start_idx =
1197: $start_col{$prob->symb}->{$partid}->{$respid};
1198: for (my $k=0;$k<=$#data;$k++) {
1199: $rows[$j]->[$resp_start_idx + $k] = $data[$k];
1200: }
1201: }
1202: }
1203: }
1204: }
1205: foreach my $row (@rows) {
1206: my $student_row_data = '';
1207: if ($show_named) {
1208: $student_row_data = '"'.join('","',
1209: map { $student->{$_}; }
1210: @student_columns).'"';
1211: } else {
1212: $student_row_data = '"'.&mt('Anonymized').'"';
1213: }
1214: print $outputfile $student_row_data;
1215: for (my $i=$student_column_count;$i<$max_column;$i++) {
1216: my $value = &Apache::loncommon::csv_translate($row->[$i]);
1217: $value ||='';
1218: print $outputfile ',"'.$value.'"';
1219: }
1220: print $outputfile $/;
1221: }
1222: undef(@rows);
1223: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1224: 'last student');
1225: }
1226: close($outputfile);
1227: #
1228: # Close the progress window
1229: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1230: #
1231: # Tell the user where to get their CSV file
1232: $r->print('<br />'.
1233: '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1234: $r->rflush();
1235: return;
1236: }
1237:
1238: sub csv_format_item {
1239: my ($item,$type) = @_;
1240: if ($type eq 'Time') {
1241: $item = localtime($item);
1242: }
1243: $item =&Apache::loncommon::csv_translate($item);
1244: return $item;
1245: }
1246:
1247: #########################################################
1248: #########################################################
1249: ##
1250: ## Generic Interface Routines
1251: ##
1252: #########################################################
1253: #########################################################
1254: sub CreateInterface {
1255: ##
1256: ## Output Selection
1257: my $output_selector = $/.'<select name="output">'.$/;
1258: foreach ('HTML','Excel','CSV') {
1259: $output_selector .= ' <option value="'.lc($_).'"';
1260: if ($env{'form.output'} eq lc($_)) {
1261: $output_selector .= ' selected="selected"';
1262: }
1263: $output_selector .='>'.&mt($_).'</option>'.$/;
1264: }
1265: $output_selector .= '</select>'.$/;
1266: ##
1267: ## Environment variable initialization
1268: my $Str = '';
1269: $Str .= &Apache::lonhtmlcommon::breadcrumbs('Student Submission Reports');
1270: $Str .= '<br />';
1271: $Str .= &Apache::loncommon::start_data_table();
1272: $Str .= &Apache::loncommon::start_data_table_header_row();
1273: $Str .= '<th>'.&mt('Sections').'</th>';
1274: $Str .= '<th>'.&mt('Groups').'</th>';
1275: $Str .= '<th>'.&mt('Student Data').&Apache::loncommon::help_open_topic("Chart_Student_Data").'</th>';
1276: $Str .= '<th>'.&mt('Access Status').'</th>';
1277: $Str .= '<th>'.&mt('Options').'</th>';
1278: $Str .= '<th>'.&mt('Output Format').'</th>';
1279: $Str .= &Apache::loncommon::end_data_table_header_row();
1280: #
1281: $Str .= &Apache::loncommon::start_data_table_row();
1282: $Str .= '<td align="center">'."\n";
1283: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1284: $Str .= '</td>';
1285: #
1286: $Str .= '<td align="center">'."\n";
1287: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
1288: $Str .= '</td>';
1289: #
1290: $Str .= '<td align="center">'."\n";
1291: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', 5,undef);
1292: $Str .= '</td>';
1293: #
1294: $Str .= '<td align="center">';
1295: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1296: $Str .= '</td>';
1297: #
1298: # Render problem checkbox
1299: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1300: if (exists($env{'form.renderprob'}) && $env{'form.renderprob'} eq 'true') {
1301: $prob_checkbox .= 'checked="checked" ';
1302: }
1303: $prob_checkbox .= 'value="true" />';
1304: #
1305: # Compute correct answers checkbox
1306: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1307: if (exists($env{'form.correctans'}) && $env{'form.correctans'} eq 'true') {
1308: $ans_checkbox .= 'checked="checked" ';
1309: }
1310: $ans_checkbox .= 'value="true" />';
1311: #
1312: # Show all submissions checkbox
1313: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1314: if (exists($env{'form.all_sub'}) &&
1315: $env{'form.all_sub'} eq 'true') {
1316: $all_sub_checkbox .= 'checked="checked" ';
1317: }
1318: $all_sub_checkbox.= 'value="true" />';
1319: #
1320: # problem status checkbox
1321: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1322: if (exists($env{'form.prob_status'}) &&
1323: $env{'form.prob_status'} eq 'true') {
1324: $prob_status_checkbox .= 'checked="checked" ';
1325: }
1326: $prob_status_checkbox .= 'value="true" />';
1327: #
1328: $Str .=
1329: '<td valign="top">'
1330: .'<label>'
1331: .$prob_checkbox.&mt('Show problem')
1332: .'</label><br />'
1333: .'<label>'
1334: .' '.$ans_checkbox.&mt('Show correct answers')
1335: .'</label><br />'
1336: .'<label>'
1337: .$all_sub_checkbox.&mt('Show all submissions')
1338: .'</label><br />'
1339: .'<label>'
1340: .$prob_status_checkbox.&mt('Show problem grading')
1341: .'</label>'
1342: .'</td>';
1343: #
1344: $Str .= '<td align="center" valign="top">'.$output_selector.'</td>';
1345: #
1346: $Str .= &Apache::loncommon::end_data_table_row();
1347: $Str .= &Apache::loncommon::end_data_table();
1348: #
1349: $Str .= '<p><span class="LC_nobreak">'
1350: .&mt('Status: [_1]',
1351: '<input type="text" name="stats_status"'
1352: .' size="60" value="" readonly="readonly" />')
1353: .'</span></p>';
1354: ##
1355: return $Str;
1356: }
1357:
1358: 1;
1359:
1360: __END__
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