1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.65 2011/11/21 20:12:36 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::lonquickgrades();
34: use Apache::loncoursedata();
35: use Apache::lonstatistics;
36: use Apache::lonlocal;
37: use Apache::lonstathelpers;
38: use Apache::lonmsgdisplay();
39: use HTML::Entities();
40: use Time::Local();
41: use Spreadsheet::WriteExcel();
42: use lib '/home/httpd/lib/perl/';
43: use LONCAPA;
44:
45:
46: my @SubmitButtons = ({ name => 'SelectAnother',
47: text => 'Choose a different Problem' },
48: { name => 'Generate',
49: text => 'Generate Report'},
50: );
51:
52: sub BuildStudentSubmissionsPage {
53: my ($r,$c)=@_;
54: #
55: my %Saveable_Parameters = ('Status' => 'scalar',
56: 'Section' => 'array',
57: 'NumPlots' => 'scalar',
58: );
59: &Apache::loncommon::store_course_settings('student_submissions',
60: \%Saveable_Parameters);
61: &Apache::loncommon::restore_course_settings('student_submissions',
62: \%Saveable_Parameters);
63: #
64: &Apache::lonstatistics::PrepareClasslist();
65: #
66: $r->print( &Apache::lonhtmlcommon::breadcrumbs('Student Submission Reports'));
67: &Apache::lonquickgrades::startGradeScreen($r,'statistics');
68: $r->print(&CreateInterface());
69: #
70: my @Students = @Apache::lonstatistics::Students;
71: #
72: if (@Students < 1) {
73: $r->print('<div class="LC_warning">'
74: .&mt('There are no students in the sections selected.')
75: .'</div>');
76: }
77: #
78: my @CacheButtonHTML =
79: &Apache::lonstathelpers::manage_caches($r,'Statistics','stats_status',
80: '<div class="LC_info">'.&mt('Loading student data...').'</div>');
81: $r->rflush();
82: #
83: my %anoncounter =
84: &Apache::lonnet::dump('nohist_anonsurveys',
85: $env{'course.'.$env{'request.course.id'}.'.domain'},
86: $env{'course.'.$env{'request.course.id'}.'.num'});
87: if (exists($env{'form.problemchoice'}) &&
88: ! exists($env{'form.SelectAnother'})) {
89: foreach my $button (@SubmitButtons) {
90: if ($button->{'name'} eq 'break') {
91: $r->print("<br />\n");
92: } else {
93: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
94: 'value="'.&mt($button->{'text'}).'" />');
95: $r->print(' 'x5);
96: }
97: }
98: foreach my $html (@CacheButtonHTML) {
99: $r->print($html.(' 'x5));
100: }
101: #
102: $r->print('<hr />'.$/);
103: $r->rflush();
104: #
105: # Determine which problems we are to analyze
106: my @Symbs =
107: &Apache::lonstathelpers::get_selected_symbs('problemchoice');
108:
109: # If there are multi-part problems with anonymous survey and named
110: # parts check if named was picked for display.
111: #
112: my %mixed_named;
113: foreach my $envkey (%env) {
114: if ($envkey =~ /^form\.mixed_(\d+:\d+)$/) {
115: my $item = $1;
116: if ($env{$envkey} =~ /^symb_(.+)$/) {
117: my $symb = &unescape($1);
118: if (ref($mixed_named{$symb}) eq 'ARRAY') {
119: push(@{$mixed_named{$symb}},$item);
120: } else {
121: @{$mixed_named{$symb}} = ($item);
122: }
123: }
124: }
125: }
126: #
127: # Get resource objects
128: my $navmap = Apache::lonnavmaps::navmap->new();
129: if (!defined($navmap)) {
130: foreach my $selected (@Symbs) {
131: $r->print('<input type="hidden" name="problemchoice" value="'.
132: &escape($selected).'" />'.$/);
133: if (ref($mixed_named{$selected}) eq 'ARRAY') {
134: foreach my $item (@{$mixed_named{$selected}}) {
135: $r->print('<input type="hidden" name="mixed_'.$item.'" value="'.&escape($selected).'" />'.$/);
136: }
137: }
138: }
139: $r->print('<div class="LC_error">'.&mt("Internal error").'</div>');
140: return;
141: }
142: my %already_seen;
143: my (@Problems,@anonProbs,@namedProbs,$show_named);
144: foreach my $symb (@Symbs) {
145: my $resource = $navmap->getBySymb($symb);
146: my ($hasanon,$hasnamed);
147: if (ref($resource)) {
148: foreach my $partid (@{$resource->parts}) {
149: if (($anoncounter{$symb."\0".$partid}) || ($resource->is_anonsurvey($partid))) {
150: unless (exists($mixed_named{$symb})) {
151: $hasanon = 1;
152: }
153: } else {
154: $hasnamed = 1;
155: }
156: }
157: if ($hasanon) {
158: push(@anonProbs,$resource);
159: } elsif ($hasnamed) {
160: push(@namedProbs,$resource);
161: }
162: }
163: }
164: if (@namedProbs > 0) {
165: @Problems = @namedProbs;
166: $show_named = 1;
167: } elsif (@anonProbs > 0) {
168: @Problems = @anonProbs;
169: }
170: foreach my $selected (@Symbs) {
171: $r->print('<input type="hidden" name="problemchoice" value="'.
172: &escape($selected).'" />'.$/);
173: if (ref($mixed_named{$selected}) eq 'ARRAY') {
174: foreach my $item (@{$mixed_named{$selected}}) {
175: $r->print('<input type="hidden" name="mixed_'.$item.'" value="'.&escape($selected).'" />'.$/);
176: }
177: }
178: }
179: # If these are to be anonymized, do a random shuffle of @Students.
180: unless ($show_named) {
181: &array_shuffle(\@Students);
182: }
183: #
184:
185: my $threshold = $env{'course.'.$env{'request.course.id'}.'.internal.anonsurvey_threshold'};
186: if ($threshold eq '') {
187: my %domconfig =
188: &Apache::lonnet::get_dom('configuration',['coursedefaults'],
189: $env{'course.'.$env{'request.course.id'}.'.domain'});
190: if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
191: $threshold = $domconfig{'coursedefaults'}{'anonsurvey_threshold'};
192: if ($threshold eq '') {
193: $threshold = 10;
194: }
195: } else {
196: $threshold = 10;
197: }
198: }
199: $r->print('<h4>'.
200: &Apache::lonstatistics::section_and_enrollment_description().
201: '</h4>');
202: if (! scalar(@Problems) || ! defined($Problems[0])) {
203: $r->print(&mt('resource is undefined'));
204: } elsif (!$show_named && @Students < $threshold) {
205: $r->print(&mt('The number of students matching the selection criteria is too few for display of submission data for anonymous surveys.').'<br />'.&mt('There must be at least [quant,_1,student].',$threshold).' '.&mt('Contact a Domain Coordinator if you need the threshold to be changed for this course.'));
206: } else {
207: if (scalar(@Problems) == 1) {
208: my $resource = $Problems[0];
209: $r->print('<h1>'.$resource->title.'</h1>');
210: $r->print('<h3>'.$resource->src.'</h3>');
211: if ($env{'form.renderprob'} eq 'true') {
212: $r->print(&Apache::lonstathelpers::render_resource($resource));
213: $r->rflush();
214: }
215: }
216: if ($env{'form.output'} eq 'excel') {
217: &prepare_excel_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
218: } elsif ($env{'form.output'} eq 'csv') {
219: &prepare_csv_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
220: } else {
221: &prepare_html_output($r,\@Problems,\@Students,\%anoncounter,$show_named);
222: }
223: }
224: $r->print('<hr />');
225: } else {
226: $r->print('<input type="submit" name="Generate" value="'.
227: &mt('Prepare Report').'" />');
228: $r->print(' 'x5);
229: $r->print('<p>'.
230: &mt('Computing correct answers greatly increases the amount of time required to prepare a report.').
231: '</p>');
232: $r->print('<p>'.
233: &mt('Please select problems and use the [_1]Prepare Report[_2] button to continue.','<b>','</b>').
234: '</p>');
235: $r->print(&Apache::lonstathelpers::MultipleProblemSelector
236: (undef,'problemchoice','Statistics',\%anoncounter));
237: }
238: }
239:
240: sub array_shuffle {
241: my $array = shift;
242: return unless (ref($array) eq 'ARRAY');
243: my $i = scalar(@$array);
244: my $j;
245: foreach my $item (@$array) {
246: --$i;
247: $j = int(rand($i+1));
248: next if($i == $j);
249: @$array [$i,$j] = @$array[$j,$i];
250: }
251: return @$array;
252: }
253:
254: ##
255: ## get_extra_response_headers
256: ##
257: sub get_extra_response_headers {
258: my ($show_named) = @_;
259: my @extra_resp_headers;
260: if ($env{'form.correctans'} eq 'true') {
261: push(@extra_resp_headers,'Correct');
262: }
263: if ($show_named) {
264: if ($env{'form.prob_status'} eq 'true') {
265: push(@extra_resp_headers,'Award Detail');
266: push(@extra_resp_headers,'Time');
267: push(@extra_resp_headers,'Attempt');
268: push(@extra_resp_headers,'Awarded');
269: }
270: }
271: return @extra_resp_headers;
272: }
273:
274: ##
275: ## get_headers:
276: ## return the proper headers for the given response
277: sub get_headers {
278: my ($prob,$partid,$respid,$resptype,$analysis,$output,$purpose,
279: @basic_headers) = @_;
280: my @headers;
281: if ($resptype eq 'essay' && $purpose eq 'display' &&
282: ($output eq 'html')) {# || scalar(@{$prob->parts})!=1)) {
283: @headers = ();
284: } elsif ($resptype =~ /^(option|match|rank)$/) {
285: my $prefix = '_';
286: if ($purpose eq 'display') {
287: $prefix = '';
288: }
289: my @foils =
290: map {
291: $prefix.$_;
292: } sort(keys(%{$analysis->{$partid.'.'.$respid}->{'_Foils'}}));
293: if (scalar(@basic_headers) && $basic_headers[0] eq 'Correct') {
294: @foils = map { ($_ , $_.' Correct') } @foils;
295: shift(@basic_headers); # Get rid of 'Correct'
296: }
297: @headers = (@foils,@basic_headers);
298: } elsif (lc($resptype) eq 'task') {
299: @headers = ('Grader','Status',@basic_headers,'Submission');
300: } else {
301: @headers = ('Submission',@basic_headers);
302: }
303: return @headers;
304: }
305:
306: #########################################################
307: #########################################################
308: ##
309: ## HTML Output Routines
310: ##
311: #########################################################
312: #########################################################
313: sub prepare_html_output {
314: my ($r,$problems,$students,$anoncounter,$show_named) = @_;
315: my $c = $r->connection();
316: #
317: # Set a flag for the case when there is just one problem
318: my $single_response = 0;
319: if (scalar(@$problems) == 1 &&
320: $problems->[0]->countResponses == 1) {
321: $single_response = 1;
322: }
323: #
324: # Compute the number of columns per response
325: my @extra_resp_headers = &get_extra_response_headers($show_named);
326: #
327: # Create the table header
328: my @student_columns = &get_student_columns($show_named);
329: my %headers;
330: my $student_column_count = scalar(@student_columns);
331: $headers{'problem'} = qq{<th colspan="$student_column_count">\ </th>};
332: foreach my $field (@student_columns) {
333: $headers{'student'}.= '<th>'.ucfirst($field).'</th>';
334: }
335: #
336: # we put the headers into the %headers hash
337: my $total_col = $student_column_count;
338: my $nonempty_part_headers = 0;
339: #
340: my %problem_analysis;
341: foreach my $prob (@$problems) {
342: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
343: $problem_analysis{$prob->src}=\%analysis;
344: my $symb = $prob->symb();
345: #
346: my $prob_span = 0;
347: my $single_part = 0;
348: if (scalar(@{$prob->parts}) == 1) {
349: $single_part = 1;
350: }
351: my $shown_parts = 0;
352: foreach my $partid (@{$prob->parts}) {
353: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
354: next if ($show_named);
355: } else {
356: next unless ($show_named);
357: }
358: $shown_parts ++;
359: my $part_span = 0;
360: my $responses = [$prob->responseIds($partid)];
361: my $resptypes = [$prob->responseType($partid)];
362: for (my $i=0;$i<scalar(@$responses);$i++) {
363: my $respid = $responses->[$i];
364: my @headers = &get_headers($prob,$partid,$respid,
365: $resptypes->[$i],
366: $problem_analysis{$prob->src},
367: 'html','display',
368: @extra_resp_headers);
369: if (scalar(@headers)>0) {
370: $total_col += scalar(@headers);
371: $part_span += scalar(@headers);
372: $headers{'response'} .=
373: '<th colspan="'.scalar(@headers).'">'.
374: &mt('Response [_1]',$responses->[$i]).'</th>';
375: $headers{'student'}.= '<th><span class="LC_nobreak">'.
376: join('</span></th><th><span class="LC_nobreak">',
377: @headers).
378: '</span></th>';
379: }
380: }
381: if ($part_span == 0) {
382: next;
383: }
384: if (! $single_part) {
385: my $tmpname = $partid;
386: if ($partid =~/^\d+$/) {
387: $tmpname = $prob->part_display($partid);
388: }
389: if ($tmpname !~ /^part/) {
390: $tmpname = 'Part '.$tmpname;
391: }
392: $headers{'part'} .= qq{<th colspan="$part_span">$tmpname</th>};
393: $nonempty_part_headers = 1;
394: } else {
395: $headers{'part'} .= qq{<th colspan="$part_span"> </th>};
396: }
397: $prob_span += $part_span;
398: }
399: next if (!$shown_parts);
400: my $title = $prob->compTitle;
401: if ($prob_span > 0) {
402: $headers{'problem'}.= qq{<th colspan="$prob_span">$title</th>};
403: } elsif ($single_response) {
404: $prob_span = scalar(@student_columns);
405: $headers{'problem'} = qq{<th colspan="$prob_span">$title</th>};
406: }
407: }
408: if (exists($headers{'part'})) {
409: $headers{'part'} = qq{<th colspan="$student_column_count">\ </th>}.
410: $headers{'part'};
411: }
412: if (exists($headers{'response'})) {
413: $headers{'response'}=
414: qq{<th colspan="$student_column_count">\ </th>}.
415: $headers{'response'};
416: }
417: my $full_header = $/.'<table>'.$/;
418: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
419: if ($nonempty_part_headers) {
420: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
421: }
422: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
423: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
424: #
425: # Main loop
426: my $count;
427: $r->print($/.$full_header.$/);
428: my $row_class = 'odd'; # css
429: foreach my $student (@$students) {
430: my $student_row_data;
431: if ($count++ >= 30) {
432: $r->print('</table>'.$/.$full_header.$/);
433: $count = 0;
434: }
435: last if ($c->aborted());
436: if ($show_named) {
437: foreach my $field (@student_columns) {
438: $student_row_data .= '<td valign="top">';
439: # handle comments like in lonstudentassessment.pm
440: if($field eq 'comments') {
441: $student_row_data .=
442: '<a href="/adm/'.$student->{'domain'}.'/'.
443: $student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
444: } else {
445: $student_row_data .= $student->{$field};
446: }
447: $student_row_data .= '</td>';
448: }
449: } else {
450: $student_row_data = '<td valign="top" colspan="'.$student_column_count.'">'.&mt('Anonymized').'</td>';
451: }
452: #
453: # Figure out what it is we need to output for this student
454: my @essays;
455: my %prob_data;
456: my $maxrow;
457: foreach my $prob (@$problems) {
458: my $symb = $prob->symb;
459: $prob_data{$symb}={};
460: foreach my $partid (@{$prob->parts}) {
461: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
462: next if ($show_named);
463: } else {
464: next unless ($show_named);
465: }
466: my @responses = $prob->responseIds($partid);
467: my @response_type = $prob->responseType($partid);
468: for (my $i=0;$i<=$#responses;$i++) {
469: my $respid = $responses[$i];
470: my $results =
471: &Apache::loncoursedata::get_response_data_by_student
472: ($student,$prob->symb(),$respid);
473: my $resptype = $response_type[$i];
474: my @headers = &get_headers($prob,$partid,$respid,
475: $resptype,
476: $problem_analysis{$prob->src},
477: 'html','normal',
478: @extra_resp_headers);
479: my $width = scalar(@headers);
480: next if ($width < 1);
481: my $resp_data;
482: $resp_data->{'fake'} = qq{<td colspan="$width"> </td>};
483: if (! defined($results)) {
484: $results = [];
485: }
486: #
487: if (scalar(@$results) > $maxrow && $resptype ne 'essay') {
488: $maxrow = scalar(@$results);
489: }
490: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
491: if ($env{'form.all_sub'} ne 'true') {
492: next if ($j ne scalar(@$results)-1);
493: }
494: my $response = &hashify_response($results->[$j],
495: $prob,
496: $student,
497: $partid,
498: $respid);
499: if ($resptype eq 'essay') {
500: push(@essays,
501: &html_essay_results(\@headers,
502: $prob,$partid,$respid,
503: $response,
504: $single_response).
505: '</td>');
506: } elsif (lc($resptype) eq 'task') {
507: my $results =
508: &html_task_results(\@headers,
509: $prob,$partid,$respid,
510: $response,$resptype);
511: if ($results) {
512: push(@{$resp_data->{'real'}},$results);
513: }
514: } else {
515: push(@{$resp_data->{'real'}},
516: &html_non_essay_results(\@headers,
517: $prob,$partid,$respid,
518: $response,$resptype));
519: }
520: }
521: $prob_data{$prob->symb}->{$partid}->{$respid}=$resp_data;
522: } # end of $i loop
523: } # end of partid loop
524: } # end of prob loop
525: #
526: # if there is no data, skip this student.
527: next if (! $maxrow && ! scalar(@essays));
528: #
529: # Go through the problem data and output a row.
530: if ($row_class eq 'even') {
531: $row_class = 'odd';
532: } else {
533: $row_class = 'even';
534: }
535: my $printed_something;
536: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
537: my $html;
538: my $no_data = 1;
539: foreach my $prob (@$problems) {
540: foreach my $partid (@{$prob->parts}) {
541: my @responses = $prob->responseIds($partid);
542: my @response_type = $prob->responseType($partid);
543: for (my $i=0;$i<=$#responses;$i++) {
544: my $respid = $responses[$i];
545: my $resp_data =
546: $prob_data{$prob->symb}->{$partid}->{$respid};
547: next if ($response_type[$i] eq 'essay');
548: if (defined($resp_data->{'real'}->[$rows_output])) {
549: $html .= $resp_data->{'real'}->[$rows_output];
550: $no_data = 0;
551: } else {
552: $html .= $resp_data->{'fake'};
553: }
554: }
555: }
556: }
557: if (! $no_data) {
558: $r->print(qq{<tr class="$row_class">$student_row_data$html</tr>}.$/);
559: $printed_something=1;
560: }
561: }
562: if (@essays) {
563: my $tr = qq{<tr class="$row_class">};
564: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
565: if (! $printed_something) {
566: $r->print($tr.$student_row_data.'</tr>'.$/);
567: }
568: $r->print($tr.$td.
569: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
570: undef(@essays);
571: }
572: } # end of student loop
573: $r->print('</table>'.$/);
574: return;
575: }
576:
577: sub hashify_response {
578: my ($response,$prob,$student,$partid,$respid) =@_;
579: my $resp_hash = {};
580: if ($env{'form.correctans'} eq 'true') {
581: $resp_hash->{'Correct'} =
582: &Apache::lonstathelpers::get_student_answer
583: ($prob,$student->{'username'},$student->{'domain'},
584: $partid,$respid);
585: }
586: $resp_hash->{'Submission'} =
587: $response->[&Apache::loncoursedata::RDs_submission()];
588: $resp_hash->{'Time'} =
589: $response->[&Apache::loncoursedata::RDs_timestamp()];
590: $resp_hash->{'Attempt'} =
591: $response->[&Apache::loncoursedata::RDs_tries()];
592: $resp_hash->{'Awarded'} =
593: $response->[&Apache::loncoursedata::RDs_awarded()];
594: if ($prob->is_task()) {
595: $resp_hash->{'Grader'} =
596: $response->[&Apache::loncoursedata::RDs_response_eval_2()];
597: if ($resp_hash->{'Attempt'} eq '0') {
598: $resp_hash->{'Attempt'} = '';
599: }
600: $resp_hash->{'Award Detail'} =
601: $response->[&Apache::loncoursedata::RDs_part_award()];
602: $resp_hash->{'Status'} =
603: $response->[&Apache::loncoursedata::RDs_response_eval()];
604: } else {
605: $resp_hash->{'Award Detail'} =
606: $response->[&Apache::loncoursedata::RDs_awarddetail()];
607: }
608:
609: return $resp_hash;
610: }
611:
612: #####################################################
613: ##
614: ## HTML helper routines
615: ##
616: #####################################################
617: sub html_essay_results {
618: my ($headers,$prob,$partid,$respid,$response,$single_response)=@_;
619: if (! ref($headers) || ref($headers) ne 'ARRAY') {
620: return '';
621: }
622: # Start of telling them what problem, part, and response
623: my $Str;
624: if (! $single_response) {
625: my $id = $prob->compTitle;
626: if (defined($partid) && $partid ne '0') {
627: $id .= ' '.$prob->part_display($partid);
628: }
629: if (defined($respid)) {
630: $id .= ' '.$respid;
631: }
632: $Str .= '<span class="LC_nobreak">'.$id.'</span>'.(' 'x4);
633: }
634: #
635: shift(@$headers); # Get rid of the Submission header
636: my $correct = '';
637: if ($headers->[0] eq 'Correct') {
638: $correct = &html_format_essay_sub($response->{'Correct'});
639: shift(@$headers);
640: }
641: $Str .= '<span class="LC_nobreak">'.
642: join('',
643: map {
644: (' 'x4).&mt($_.': [_1]',$response->{$_});
645: } @$headers).'</span>';
646: if (@$headers || ! $single_response) {
647: $Str .= '<br />';
648: }
649: $Str .= &html_format_essay_sub($response->{'Submission'});
650: #
651: if (defined($correct) && $correct !~ /^\s*$/) {
652: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
653: }
654: return $Str;
655: }
656:
657: sub html_format_essay_sub {
658: my ($submission) = @_;
659: return '' if (! defined($submission) || $submission eq '');
660: $submission = &HTML::Entities::decode($submission);
661: $submission =~ s/\\\"/\"/g;
662: $submission =~ s/\\\'/\'/g;
663: $submission =~ s|\\r\\n|$/|g;
664: $submission = &HTML::Entities::encode($submission,'<>&"');
665: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
666: $submission =~ s|\\||g;
667: $submission = '<p>'.$submission.'</p>';
668: return $submission;
669: }
670:
671: sub html_task_results {
672: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
673: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
674: return '';
675: }
676:
677: my @values;
678: @values = map { $response->{$_}; } @$headers;
679:
680: my $td = '<td valign="top">';
681: my $str = $td.join('</td>'.$td,@values).'</td>';
682: return $str;
683: }
684:
685: sub html_non_essay_results {
686: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
687: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
688: return '';
689: }
690: #
691: my $submission = &HTML::Entities::decode(&unescape($response->{'Submission'}));
692: return '' if (! defined($submission) || $submission eq '');
693: $submission =~ s/\\\"/\"/g;
694: $submission =~ s/\\\'/\'/g;
695: if ($resptype eq 'radiobutton') {
696: $submission = &HTML::Entities::encode($submission,'<>&"');
697: $submission =~ s/=([^=])$//;
698: $submission = '<span class="LC_nobreak">'.$submission.'</span>';
699: }
700: $response->{'Submission'} = $submission;
701: #
702: my @values;
703: if ($resptype =~ /^(option|match|rank)$/) {
704: my %submission =
705: map {
706: my ($foil,$value) = split('=',&unescape($_));
707: ($foil,$value);
708: } split('&',$response->{'Submission'});
709: my %correct;
710: if (exists($response->{'Correct'})) {
711: %correct =
712: map {
713: my ($foil,$value)=split('=',&unescape($_));
714: ($foil,$value);
715: } split('&',$response->{'Correct'});
716: }
717: #
718: foreach my $original_header (@$headers) {
719: if ($original_header =~ /^_/) {
720: # '_' denotes a foil column
721: my ($header) = ($original_header =~ m/^_(.*)$/);
722: my $option = '';
723: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
724: if (exists($correct{$foil})) {
725: $option = $correct{$foil};
726: }
727: } elsif (exists($submission{$header})) {
728: $option = $submission{$header};
729: }
730: push(@values,&HTML::Entities::encode($option));
731: } elsif ($original_header eq 'Time') {
732: push(@values,&Apache::lonlocal::locallocaltime($response->{$original_header}));
733: } else {
734: # A normal column
735: push(@values,$response->{$original_header});
736: }
737: }
738: } else {
739: @values = map { $response->{$_}; } @$headers;
740: }
741: my $td = '<td valign="top">';
742: my $str = $td.join('</td>'.$td,@values).'</td>';
743: return $str;
744: }
745:
746:
747: #########################################################
748: #########################################################
749: ##
750: ## Excel Output Routines
751: ##
752: #########################################################
753: #########################################################
754: sub prepare_excel_output {
755: my ($r,$Problems,$Students,$anoncounter,$show_named) = @_;
756: my $c = $r->connection();
757: #
758: #
759: # Determine the number of columns in the spreadsheet
760: my $columncount = 3; # username, domain, id
761: my @extra_resp_headers = &get_extra_response_headers($show_named);
762: my $lastprob;
763: my %problem_analysis;
764: foreach my $prob (@$Problems) {
765: my $symb = $prob->symb();
766: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
767: $problem_analysis{$prob->src}=\%analysis;
768: foreach my $partid (@{$prob->parts}) {
769: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
770: next if ($show_named);
771: } else {
772: next unless ($show_named);
773: }
774:
775: my $responses = [$prob->responseIds($partid)];
776: my $resptypes = [$prob->responseType($partid)];
777: for (my $i=0;$i<scalar(@$responses);$i++) {
778: my @headers = &get_headers($prob,$partid,$responses->[$i],
779: $resptypes->[$i],
780: $problem_analysis{$prob->src},
781: 'excel','display',
782: @extra_resp_headers);
783: $columncount += scalar(@headers);
784: }
785: }
786: last if ($columncount > 255);
787: $lastprob = $prob;
788: }
789: if ($columncount > 255) {
790: $r->print('<h1>'.&mt('Unable to complete request').'</h1>'.$/.
791: '<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>'.$/.
792: '<p>'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/);
793: if (ref($lastprob)) {
794: $r->print('<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
795: }
796: $r->rflush();
797: return;
798: }
799: #
800: # Print out a message telling them what we are doing
801: if (scalar(@$Problems) > 1) {
802: $r->print('<h2>'.
803: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
804: scalar(@$Problems)).
805: '</h2>');
806: } else {
807: $r->print('<h2>'.
808: &mt('Preparing Excel spreadsheet of student responses').
809: '</h2>');
810: }
811: $r->rflush();
812: #
813: # Create the excel spreadsheet
814: my ($workbook,$filename,$format) =
815: &Apache::loncommon::create_workbook($r);
816: return if (! defined($workbook));
817: my $worksheet = $workbook->addworksheet('Student Submission Data');
818: #
819: # Add headers to the worksheet
820: my $rows_output = 0;
821: $worksheet->write($rows_output++,0,
822: $env{'course.'.$env{'request.course.id'}.'.description'},
823: $format->{'h1'});
824: $rows_output++;
825: my $cols_output = 0;
826: my $title_row = $rows_output++;
827: my $partid_row = $rows_output++;
828: my $respid_row = $rows_output++;
829: my $header_row = $rows_output++;
830: $worksheet->write($title_row ,0,'Problem Title',$format->{'bold'});
831: $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
832: $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
833: # Student headers
834: my @StudentColumns = &get_student_columns($show_named);
835: foreach my $field (@StudentColumns) {
836: $worksheet->write($header_row,$cols_output++,ucfirst($field),
837: $format->{'bold'});
838: }
839: # Problem headers
840: my %start_col;
841: foreach my $prob (@$Problems) {
842: my $title = $prob->compTitle;
843: my $symb = $prob->symb();
844: $worksheet->write($title_row,$cols_output,
845: $title,$format->{'h3'});
846: foreach my $partid (@{$prob->parts}) {
847: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
848: next if ($show_named);
849: } else {
850: next unless ($show_named);
851: }
852: $worksheet->write($partid_row,$cols_output,
853: $prob->part_display($partid));
854: my $responses = [$prob->responseIds($partid)];
855: my $resptypes = [$prob->responseType($partid)];
856: for (my $i=0;$i<scalar(@$responses);$i++) {
857: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
858: $cols_output;
859: $worksheet->write($respid_row,$cols_output,
860: $resptypes->[$i].', '.$responses->[$i]);
861: my @headers = &get_headers($prob,$partid,$responses->[$i],
862: $resptypes->[$i],
863: $problem_analysis{$prob->src},
864: 'excel','display',
865: @extra_resp_headers);
866: foreach my $text (@headers) {
867: if ($text eq 'Time') {
868: $worksheet->set_column($cols_output,$cols_output,undef,
869: $format->{'date'});
870: }
871: $worksheet->write($header_row,$cols_output++,$text);
872: }
873: }
874: }
875: }
876: #
877: # Populate the worksheet with the student data
878: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
879: ($r,'Excel File Compilation Status',
880: 'Excel File Compilation Progress',
881: scalar(@$Students),'inline',undef,'Statistics','stats_status');
882: my $max_row = $rows_output;
883: foreach my $student (@$Students) {
884: last if ($c->aborted());
885: $cols_output = 0;
886: my $student_row = $max_row;
887: foreach my $prob (@$Problems) {
888: my $symb = $prob->symb();
889: foreach my $partid (@{$prob->parts}) {
890: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
891: next if ($show_named);
892: } else {
893: next unless ($show_named);
894: }
895: my @Response = $prob->responseIds($partid);
896: my @ResponseType = $prob->responseType($partid);
897: for (my $i=0;$i<=$#Response;$i++) {
898: my $respid = $Response[$i];
899: my $resptype = $ResponseType[$i];
900: my $results =
901: &Apache::loncoursedata::get_response_data_by_student
902: ($student,$prob->symb(),$respid);
903: my @headers = &get_headers($prob,$partid,$respid,
904: $resptype,
905: $problem_analysis{$prob->src},
906: 'excel','normal',
907: @extra_resp_headers);
908:
909: if (! defined($results)) {
910: $results = [];
911: }
912: #
913: $rows_output = $student_row;
914: #
915: my $response_start_col = $start_col{$prob->symb}->{$partid}->{$respid};
916: for (my $j=scalar(@$results)-1;$j>=0;$j--) {
917: $cols_output = $response_start_col;
918: if ($env{'form.all_sub'} ne 'true') {
919: next if ($j ne scalar(@$results)-1);
920: }
921: my $response = &hashify_response($results->[$j],
922: $prob,
923: $student,
924: $partid,
925: $respid);
926: my @response_data =
927: &compile_response_data(\@headers,$response,
928: $prob,$partid,$respid,
929: $resptype,
930: \&excel_format_item);
931: $worksheet->write_row($rows_output++,$cols_output,
932: \@response_data);
933: $cols_output+=scalar(@response_data);
934: if ($rows_output > $max_row) {
935: $max_row = $rows_output;
936: }
937: }
938: }
939: }
940: }
941: # Prepend current student's user information to all rows
942: for (my $row = $student_row;$row<$max_row;$row++) {
943: my $cols = 0;
944: foreach my $field (@StudentColumns) {
945: if ($show_named) {
946: my $value = $student->{$field};
947: if ($field eq 'comments') {
948: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
949: ($student->{'username'},$student->{'domain'});
950: }
951: $worksheet->write($row,$cols++,$value);
952: } else {
953: $worksheet->write($row,$cols++,
954: &mt('Anonymized'));
955: }
956: }
957: }
958: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
959: 'last student');
960: }
961: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
962: #
963: # Close the excel file
964: $workbook->close();
965: #
966: # Write a link to allow them to download it
967: $r->print('<p><a href="'.$filename.'">'.
968: &mt('Your Excel spreadsheet.').
969: '</a></p>'."\n");
970: $r->print('<script>'.
971: 'window.document.Statistics.stats_status.value="'.
972: 'Done compiling spreadsheet. See link below to download.'.
973: '";</script>');
974: $r->rflush();
975: return;
976: }
977:
978: sub compile_response_data {
979: my ($headers,$response,$prob,$partid,$respid,$resptype,$format) = @_;
980: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
981: return ();
982: }
983: if (ref($format) ne 'CODE') {
984: $format = sub { return $_[0]; };
985: }
986: #
987: my $submission =
988: &HTML::Entities::decode
989: (&unescape($response->{'Submission'}));
990: if (!$prob->is_task()) {
991: return () if (! defined($submission) || $submission eq '');
992: }
993: $submission =~ s/\\\"/\"/g;
994: $submission =~ s/\\\'/\'/g;
995: if ($resptype eq 'radiobutton') {
996: $submission =~ s/=([^=])$//;
997: }
998: $response->{'Submission'} = $submission;
999: #
1000: my @values;
1001: if ($resptype =~ /^(option|match|rank)$/) {
1002: my %submission =
1003: map {
1004: my ($foil,$value) = split('=',&unescape($_));
1005: ($foil,$value);
1006: } split('&',$response->{'Submission'});
1007: my %correct;
1008: if (exists($response->{'Correct'})) {
1009: %correct =
1010: map {
1011: my ($foil,$value)=split('=',&unescape($_));
1012: ($foil,$value);
1013: } split('&',$response->{'Correct'});
1014: }
1015: #
1016: foreach my $original_header (@$headers) {
1017: if ($original_header =~ /^_/) {
1018: # '_' denotes a foil column
1019: my ($header) = ($original_header =~ m/^_(.*)$/);
1020: my $option = '';
1021: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
1022: if (exists($correct{$foil})) {
1023: $option = $correct{$foil};
1024: }
1025: } elsif (exists($submission{$header})) {
1026: $option = $submission{$header};
1027: }
1028: push(@values,&{$format}($option,$header));
1029: } else {
1030: # A normal column
1031: push(@values,&{$format}($response->{$original_header},
1032: $original_header));
1033: }
1034: }
1035: } else {
1036: @values = map { &{$format}($response->{$_},$_); } @$headers;
1037: }
1038: return @values;
1039: }
1040:
1041: sub excel_format_item {
1042: my ($item,$type) = @_;
1043: if ($type eq 'Time') {
1044: $item = &Apache::lonstathelpers::calc_serial($item);
1045: } else {
1046: if ($item =~ m/^=/) {
1047: $item = ' '.$item;
1048: }
1049: $item =~ s/\\r//g;
1050: $item =~ s/\\n/\n/g;
1051: $item =~ s/(\s*$|^\s*)//g;
1052: $item =~ s/\\\'/\'/g;
1053: }
1054: return $item;
1055: }
1056:
1057: #########################################################
1058: #########################################################
1059: ##
1060: ## CSV output of student answers
1061: ##
1062: #########################################################
1063: #########################################################
1064: sub prepare_csv_output {
1065: my ($r,$problems,$students,$anoncounter,$show_named) = @_;
1066: my $c = $r->connection();
1067: #
1068: $r->print('<h2>'.
1069: &mt('Generating CSV report of student responses').'</h2>');
1070: #
1071: # Progress window
1072: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1073: ($r,'CSV File Compilation Status',
1074: 'CSV File Compilation Progress',
1075: scalar(@$students),'inline',undef,'Statistics','stats_status');
1076:
1077: $r->rflush();
1078: #
1079: # Open a file
1080: my $outputfile;
1081: my $filename = '/prtspool/'.
1082: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1083: time.'_'.rand(1000000000).'.csv';
1084: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1085: $r->log_error("Couldn't open $filename for output $!");
1086: $r->print(
1087: '<p class="LC_error">'
1088: .&mt('Problems occurred in writing the CSV file.')
1089: .' '.&mt('This error has been logged.')
1090: .' '.&mt('Please alert your LON-CAPA administrator.')
1091: .'</p>'
1092: );
1093: $outputfile = undef;
1094: }
1095: #
1096: # Compute the number of columns per response
1097: my @extra_resp_headers = &get_extra_response_headers($show_named);
1098: #
1099: # Create the table header
1100: my @student_columns = &get_student_columns($show_named);
1101: my $student_column_count = scalar(@student_columns);
1102: #
1103: my %headers;
1104: push(@{$headers{'student'}},@student_columns);
1105: # Pad for the student data
1106: foreach my $row ('problem','part','response') {
1107: $headers{$row}=[map {''} @student_columns];
1108: }
1109: #
1110: # we put the headers into the %headers hash
1111: my %problem_analysis;
1112: my %start_col;
1113: my $max_column = $student_column_count;
1114: foreach my $prob (@$problems) {
1115: my $symb = $prob->symb();
1116: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
1117: $problem_analysis{$prob->src}=\%analysis;
1118: $headers{'problem'}->[$max_column] = $prob->compTitle;
1119: foreach my $partid (@{$prob->parts}) {
1120: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
1121: next if ($show_named);
1122: } else {
1123: next unless ($show_named);
1124: }
1125: $headers{'part'}->[$max_column] = $prob->part_display($partid);
1126: my $responses = [$prob->responseIds($partid)];
1127: my $resptypes = [$prob->responseType($partid)];
1128: for (my $i=0;$i<scalar(@$responses);$i++) {
1129: my @headers = &get_headers($prob,$partid,$responses->[$i],
1130: $resptypes->[$i],
1131: $problem_analysis{$prob->src},
1132: 'csv','display',
1133: @extra_resp_headers);
1134: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
1135: $max_column;
1136: $headers{'response'}->[$max_column]=
1137: &mt('Response [_1]',$responses->[$i]);
1138: for (my $j=0;$j<=$#headers;$j++) {
1139: $headers{'student'}->[$max_column+$j]=$headers[$j];
1140: }
1141: $max_column += scalar(@headers);
1142: }
1143: }
1144: }
1145: foreach my $row ('problem','part','response','student') {
1146: print $outputfile '"'.
1147: join('","',
1148: map {
1149: &Apache::loncommon::csv_translate($_);
1150: } @{$headers{$row}}).'"'.$/;
1151: }
1152: #
1153: # Main loop
1154: foreach my $student (@$students) {
1155: last if ($c->aborted());
1156: my @rows;
1157: foreach my $prob (@$problems) {
1158: my $symb = $prob->symb;
1159: foreach my $partid (@{$prob->parts}) {
1160: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
1161: next if ($show_named);
1162: } else {
1163: next unless ($show_named);
1164: }
1165: my @responses = $prob->responseIds($partid);
1166: my @response_type = $prob->responseType($partid);
1167: for (my $i=0;$i<=$#responses;$i++) {
1168: my $respid = $responses[$i];
1169: my $resptype = $response_type[$i];
1170: my @headers = &get_headers($prob,$partid,$respid,$resptype,
1171: $problem_analysis{$prob->src},
1172: 'csv','normal',
1173: @extra_resp_headers);
1174: my $results =
1175: &Apache::loncoursedata::get_response_data_by_student
1176: ($student,$prob->symb(),$respid);
1177: if (! defined($results)) {
1178: $results = [];
1179: }
1180: for (my $j=0; $j<scalar(@$results);$j++) {
1181: if ($env{'form.all_sub'} ne 'true') {
1182: next if ($j != 0);
1183: }
1184: my $idx = scalar(@$results) - $j - 1;
1185: my $response = &hashify_response($results->[$idx],
1186: $prob,$student,
1187: $partid,$respid);
1188: my @data = &compile_response_data(\@headers,$response,
1189: $prob,$partid,
1190: $respid,$resptype,
1191: \&csv_format_item);
1192: my $resp_start_idx =
1193: $start_col{$prob->symb}->{$partid}->{$respid};
1194: for (my $k=0;$k<=$#data;$k++) {
1195: $rows[$j]->[$resp_start_idx + $k] = $data[$k];
1196: }
1197: }
1198: }
1199: }
1200: }
1201: foreach my $row (@rows) {
1202: my $student_row_data = '';
1203: if ($show_named) {
1204: foreach my $field (@student_columns) {
1205: my $value = $student->{$field};
1206: if ($field eq 'comments') {
1207: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1208: ($student->{'username'},$student->{'domain'});
1209: }
1210: $student_row_data .= '"'.&Apache::loncommon::csv_translate($value).'",';
1211: }
1212: $student_row_data =~ s/,$//;
1213: } else {
1214: $student_row_data = '"'.&mt('Anonymized').'"';
1215: }
1216: print $outputfile $student_row_data;
1217: for (my $i=$student_column_count;$i<$max_column;$i++) {
1218: my $value = &Apache::loncommon::csv_translate($row->[$i]);
1219: $value ||='';
1220: print $outputfile ',"'.$value.'"';
1221: }
1222: print $outputfile $/;
1223: }
1224: undef(@rows);
1225: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
1226: 'last student');
1227: }
1228: close($outputfile);
1229: #
1230: # Close the progress window
1231: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1232: #
1233: # Tell the user where to get their CSV file
1234: $r->print('<br />'.
1235: '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1236: $r->rflush();
1237: return;
1238: }
1239:
1240: sub csv_format_item {
1241: my ($item,$type) = @_;
1242: if ($type eq 'Time') {
1243: $item = localtime($item);
1244: }
1245: $item =&Apache::loncommon::csv_translate($item);
1246: return $item;
1247: }
1248:
1249: #########################################################
1250: #########################################################
1251: ##
1252: ## Generic Interface Routines
1253: ##
1254: #########################################################
1255: #########################################################
1256: sub CreateInterface {
1257: ##
1258: ## Output Selection
1259: my $output_selector = $/.'<select name="output">'.$/;
1260: foreach ('HTML','Excel','CSV') {
1261: $output_selector .= ' <option value="'.lc($_).'"';
1262: if ($env{'form.output'} eq lc($_)) {
1263: $output_selector .= ' selected="selected"';
1264: }
1265: $output_selector .='>'.&mt($_).'</option>'.$/;
1266: }
1267: $output_selector .= '</select>'.$/;
1268: ##
1269: ## Environment variable initialization
1270: my $Str = '';
1271: $Str .= '<br />';
1272: $Str .= &Apache::loncommon::start_data_table();
1273: $Str .= &Apache::loncommon::start_data_table_header_row();
1274: $Str .= '<th>'.&mt('Sections').'</th>';
1275: $Str .= '<th>'.&mt('Groups').'</th>';
1276: $Str .= '<th>'.&mt('Student Data').&Apache::loncommon::help_open_topic("Chart_Student_Data").'</th>';
1277: $Str .= '<th>'.&mt('Access Status').'</th>';
1278: $Str .= '<th>'.&mt('Options').'</th>';
1279: $Str .= '<th>'.&mt('Output Format').'</th>';
1280: $Str .= &Apache::loncommon::end_data_table_header_row();
1281: #
1282: $Str .= &Apache::loncommon::start_data_table_row();
1283: $Str .= '<td align="center">'."\n";
1284: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1285: $Str .= '</td>';
1286: #
1287: $Str .= '<td align="center">'."\n";
1288: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
1289: $Str .= '</td>';
1290: #
1291: $Str .= '<td align="center">'."\n";
1292: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', 5,undef);
1293: $Str .= '</td>';
1294: #
1295: $Str .= '<td align="center">';
1296: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1297: $Str .= '</td>';
1298: #
1299: # Render problem checkbox
1300: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1301: if (exists($env{'form.renderprob'}) && $env{'form.renderprob'} eq 'true') {
1302: $prob_checkbox .= 'checked="checked" ';
1303: }
1304: $prob_checkbox .= 'value="true" />';
1305: #
1306: # Compute correct answers checkbox
1307: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1308: if (exists($env{'form.correctans'}) && $env{'form.correctans'} eq 'true') {
1309: $ans_checkbox .= 'checked="checked" ';
1310: }
1311: $ans_checkbox .= 'value="true" />';
1312: #
1313: # Show all submissions checkbox
1314: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1315: if (exists($env{'form.all_sub'}) &&
1316: $env{'form.all_sub'} eq 'true') {
1317: $all_sub_checkbox .= 'checked="checked" ';
1318: }
1319: $all_sub_checkbox.= 'value="true" />';
1320: #
1321: # problem status checkbox
1322: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1323: if (exists($env{'form.prob_status'}) &&
1324: $env{'form.prob_status'} eq 'true') {
1325: $prob_status_checkbox .= 'checked="checked" ';
1326: }
1327: $prob_status_checkbox .= 'value="true" />';
1328: #
1329: $Str .=
1330: '<td valign="top">'
1331: .'<label>'
1332: .$prob_checkbox.&mt('Show problem')
1333: .'</label><br />'
1334: .'<label>'
1335: .' '.$ans_checkbox.&mt('Show correct answers')
1336: .'</label><br />'
1337: .'<label>'
1338: .$all_sub_checkbox.&mt('Show all submissions')
1339: .'</label><br />'
1340: .'<label>'
1341: .$prob_status_checkbox.&mt('Show problem grading')
1342: .'</label>'
1343: .'</td>';
1344: #
1345: $Str .= '<td align="center" valign="top">'.$output_selector.'</td>';
1346: #
1347: $Str .= &Apache::loncommon::end_data_table_row();
1348: $Str .= &Apache::loncommon::end_data_table();
1349: #
1350: $Str .= '<p><span class="LC_nobreak">'
1351: .&mt('Status: [_1]',
1352: '<input type="text" name="stats_status"'
1353: .' size="60" value="" readonly="readonly" />')
1354: .'</span></p>';
1355: ##
1356: return $Str;
1357: }
1358:
1359: sub get_student_columns {
1360: my ($show_named) = @_;
1361: my @student_columns;
1362: if ($show_named) {
1363: @student_columns = @Apache::lonstatistics::SelectedStudentData;
1364: if (grep(/^all$/,@student_columns)) {
1365: @student_columns = qw(fullname username domain id section status groups comments);
1366: }
1367: } else {
1368: @student_columns = ('username');
1369: }
1370: return @student_columns;
1371: }
1372:
1373: 1;
1374:
1375: __END__
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