1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentsubmissions.pm,v 1.68 2012/05/03 11:21:33 goltermann 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: $r->print('<p>'.
200: &Apache::lonstatistics::section_and_enrollment_description().
201: '</p>');
202: if (! scalar(@Problems) || ! defined($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: $headers{'student'}.= '<th>'.&mt(ucfirst($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: my $full_header = $/.&Apache::loncommon::start_data_table().$/;
419: $full_header .= '<tr align="left">'.$headers{'problem'}.'</tr>'.$/;
420: if ($nonempty_part_headers) {
421: $full_header .= '<tr align="left">'.$headers{'part'}.'</tr>'.$/;
422: }
423: $full_header .= '<tr align="left">'.$headers{'response'}.'</tr>'.$/;
424: $full_header .= '<tr align="left">'.$headers{'student'}.'</tr>'.$/;
425: #
426: # Main loop
427: my $count;
428: $r->print($/.$full_header.$/);
429: foreach my $student (@$students) {
430: my $student_row_data;
431: if ($count++ >= 30) {
432: $r->print(&Apache::loncommon::end_data_table().$/.$full_header.$/);
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: my $printed_something;
531: for (my $rows_output = 0;$rows_output<$maxrow;$rows_output++) {
532: my $html;
533: my $no_data = 1;
534: foreach my $prob (@$problems) {
535: foreach my $partid (@{$prob->parts}) {
536: my @responses = $prob->responseIds($partid);
537: my @response_type = $prob->responseType($partid);
538: for (my $i=0;$i<=$#responses;$i++) {
539: my $respid = $responses[$i];
540: my $resp_data =
541: $prob_data{$prob->symb}->{$partid}->{$respid};
542: next if ($response_type[$i] eq 'essay');
543: if (defined($resp_data->{'real'}->[$rows_output])) {
544: $html .= $resp_data->{'real'}->[$rows_output];
545: $no_data = 0;
546: } else {
547: $html .= $resp_data->{'fake'};
548: }
549: }
550: }
551: }
552: if (! $no_data) {
553: $r->print(&Apache::loncommon::start_data_table_row().$student_row_data.$html.
554: &Apache::loncommon::end_data_table_row().$/);
555: $printed_something=1;
556: }
557: }
558: if (@essays) {
559: my $tr = &Apache::loncommon::start_data_table_row();
560: my $td = qq{<td valign="top" class="essay" colspan="$total_col">};
561: if (! $printed_something) {
562: $r->print($tr.$student_row_data.&Apache::loncommon::end_data_table_row().$/);
563: }
564: $r->print($tr.$td.
565: join('</td></tr>'.$/.$tr.$td,@essays).'</td></tr>'.$/);
566: undef(@essays);
567: }
568: } # end of student loop
569: $r->print(&Apache::loncommon::end_data_table().$/);
570: return;
571: }
572:
573: sub hashify_response {
574: my ($response,$prob,$student,$partid,$respid) =@_;
575: my $resp_hash = {};
576: if ($env{'form.correctans'} eq 'true') {
577: $resp_hash->{'Correct'} =
578: &Apache::lonstathelpers::get_student_answer
579: ($prob,$student->{'username'},$student->{'domain'},
580: $partid,$respid);
581: }
582: $resp_hash->{'Submission'} =
583: $response->[&Apache::loncoursedata::RDs_submission()];
584: $resp_hash->{'Time'} =
585: $response->[&Apache::loncoursedata::RDs_timestamp()];
586: $resp_hash->{'Attempt'} =
587: $response->[&Apache::loncoursedata::RDs_tries()];
588: $resp_hash->{'Awarded'} =
589: $response->[&Apache::loncoursedata::RDs_awarded()];
590: if ($prob->is_task()) {
591: $resp_hash->{'Grader'} =
592: $response->[&Apache::loncoursedata::RDs_response_eval_2()];
593: if ($resp_hash->{'Attempt'} eq '0') {
594: $resp_hash->{'Attempt'} = '';
595: }
596: $resp_hash->{'Award Detail'} =
597: $response->[&Apache::loncoursedata::RDs_part_award()];
598: $resp_hash->{'Status'} =
599: $response->[&Apache::loncoursedata::RDs_response_eval()];
600: } else {
601: $resp_hash->{'Award Detail'} =
602: $response->[&Apache::loncoursedata::RDs_awarddetail()];
603: }
604:
605: return $resp_hash;
606: }
607:
608: #####################################################
609: ##
610: ## HTML helper routines
611: ##
612: #####################################################
613: sub html_essay_results {
614: my ($headers,$prob,$partid,$respid,$response,$single_response)=@_;
615: if (! ref($headers) || ref($headers) ne 'ARRAY') {
616: return '';
617: }
618: # Start of telling them what problem, part, and response
619: my $Str;
620: if (! $single_response) {
621: my $id = $prob->compTitle;
622: if (defined($partid) && $partid ne '0') {
623: $id .= ' '.$prob->part_display($partid);
624: }
625: if (defined($respid)) {
626: $id .= ' '.$respid;
627: }
628: $Str .= '<span class="LC_nobreak">'.$id.'</span>'.(' 'x4);
629: }
630: #
631: shift(@$headers); # Get rid of the Submission header
632: my $correct = '';
633: if ($headers->[0] eq 'Correct') {
634: $correct = &html_format_essay_sub($response->{'Correct'});
635: shift(@$headers);
636: }
637: $Str .= '<span class="LC_nobreak">'.
638: join('',
639: map {
640: (' 'x4).&mt($_.': [_1]',$response->{$_});
641: } @$headers).'</span>';
642: if (@$headers || ! $single_response) {
643: $Str .= '<br />';
644: }
645: $Str .= &html_format_essay_sub($response->{'Submission'});
646: #
647: if (defined($correct) && $correct !~ /^\s*$/) {
648: $Str .= '<hr /><b>'.&mt('Correct').'</b>'.$correct
649: }
650: return $Str;
651: }
652:
653: sub html_format_essay_sub {
654: my ($submission) = @_;
655: return '' if (! defined($submission) || $submission eq '');
656: $submission = &HTML::Entities::decode($submission);
657: $submission =~ s/\\\"/\"/g;
658: $submission =~ s/\\\'/\'/g;
659: $submission =~ s|\\r\\n|$/|g;
660: $submission = &HTML::Entities::encode($submission,'<>&"');
661: $submission =~ s|$/\s*$/|$/</p><p>$/|g;
662: $submission =~ s|\\||g;
663: $submission = '<p>'.$submission.'</p>';
664: return $submission;
665: }
666:
667: sub html_task_results {
668: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
669: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
670: return '';
671: }
672:
673: my @values;
674: @values = map { $response->{$_}; } @$headers;
675:
676: my $td = '<td valign="top">';
677: my $str = $td.join('</td>'.$td,@values).'</td>';
678: return $str;
679: }
680:
681: sub html_non_essay_results {
682: my ($headers,$prob,$partid,$respid,$response,$resptype) = @_;
683: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
684: return '';
685: }
686: #
687: my $submission = &HTML::Entities::decode(&unescape($response->{'Submission'}));
688: return '' if (! defined($submission) || $submission eq '');
689: $submission =~ s/\\\"/\"/g;
690: $submission =~ s/\\\'/\'/g;
691: if ($resptype eq 'radiobutton') {
692: $submission = &HTML::Entities::encode($submission,'<>&"');
693: $submission =~ s/=([^=])$//;
694: $submission = '<span class="LC_nobreak">'.$submission.'</span>';
695: }
696: $response->{'Submission'} = $submission;
697: #
698: my @values;
699: if ($resptype =~ /^(option|match|rank)$/) {
700: my %submission =
701: map {
702: my ($foil,$value) = split('=',&unescape($_));
703: ($foil,$value);
704: } split('&',$response->{'Submission'});
705: my %correct;
706: if (exists($response->{'Correct'})) {
707: %correct =
708: map {
709: my ($foil,$value)=split('=',&unescape($_));
710: ($foil,$value);
711: } split('&',$response->{'Correct'});
712: }
713: #
714: foreach my $original_header (@$headers) {
715: if ($original_header =~ /^_/) {
716: # '_' denotes a foil column
717: my ($header) = ($original_header =~ m/^_(.*)$/);
718: my $option = '';
719: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
720: if (exists($correct{$foil})) {
721: $option = $correct{$foil};
722: }
723: } elsif (exists($submission{$header})) {
724: $option = $submission{$header};
725: }
726: push(@values,&HTML::Entities::encode($option));
727: } elsif ($original_header eq 'Time') {
728: push(@values,&Apache::lonlocal::locallocaltime($response->{$original_header}));
729: } else {
730: # A normal column
731: push(@values,$response->{$original_header});
732: }
733: }
734: } else {
735: @values = map { $response->{$_}; } @$headers;
736: }
737: my $td = '<td valign="top">';
738: my $str = $td.join('</td>'.$td,@values).'</td>';
739: return $str;
740: }
741:
742:
743: #########################################################
744: #########################################################
745: ##
746: ## Excel Output Routines
747: ##
748: #########################################################
749: #########################################################
750: sub prepare_excel_output {
751: my ($r,$Problems,$Students,$anoncounter,$show_named) = @_;
752: my $c = $r->connection();
753: #
754: #
755: # Determine the number of columns in the spreadsheet
756: my $columncount = 3; # username, domain, id
757: my @extra_resp_headers = &get_extra_response_headers($show_named);
758: my $lastprob;
759: my %problem_analysis;
760: foreach my $prob (@$Problems) {
761: my $symb = $prob->symb();
762: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
763: $problem_analysis{$prob->src}=\%analysis;
764: foreach my $partid (@{$prob->parts}) {
765: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
766: next if ($show_named);
767: } else {
768: next unless ($show_named);
769: }
770:
771: my $responses = [$prob->responseIds($partid)];
772: my $resptypes = [$prob->responseType($partid)];
773: for (my $i=0;$i<scalar(@$responses);$i++) {
774: my @headers = &get_headers($prob,$partid,$responses->[$i],
775: $resptypes->[$i],
776: $problem_analysis{$prob->src},
777: 'excel','display',
778: @extra_resp_headers);
779: $columncount += scalar(@headers);
780: }
781: }
782: last if ($columncount > 255);
783: $lastprob = $prob;
784: }
785: if ($columncount > 255) {
786: $r->print('<p class="LC_error">'.&mt('Unable to complete request').'</p>'.$/.
787: '<p class="LC_warning">'.&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>'.$/.
788: '<p class="LC_warning">'.&mt('Consider selecting fewer problems to generate reports on, or reducing the number of items per problem. Or use HTML or CSV output.').'</p>'.$/);
789: if (ref($lastprob)) {
790: $r->print('<p>'.&mt('The last problem that will fit in the current spreadsheet is [_1].',$lastprob->compTitle).'</p>');
791: }
792: $r->rflush();
793: return;
794: }
795: #
796: # Print out a message telling them what we are doing
797: if (scalar(@$Problems) > 1) {
798: $r->print('<p class="LC_info">'.
799: &mt('Preparing Excel spreadsheet of student responses to [_1] problems',
800: scalar(@$Problems)).
801: '</p>');
802: } else {
803: $r->print('<p class="LC_info">'.
804: &mt('Preparing Excel spreadsheet of student responses').
805: '</p>');
806: }
807: $r->rflush();
808: #
809: # Create the excel spreadsheet
810: my ($workbook,$filename,$format) =
811: &Apache::loncommon::create_workbook($r);
812: return if (! defined($workbook));
813:
814: # Worksheet name
815: # The length of a worksheet name in Excel 95 is limited to 31 characters.
816: # Let's make sure to not exceed the maximum length in the translation files.
817: # Otherwise, no Excel file would be created.
818: my $worksheetname = &mt('Student Submission Data');
819: if (length($worksheetname) > 31) {
820: # nice way to cut off too long name
821: $worksheetname = substr($worksheetname,0,28,).'...';
822: }
823: my $worksheet = $workbook->addworksheet($worksheetname);
824: #
825: # Add headers to the worksheet
826: my $rows_output = 0;
827: $worksheet->write($rows_output++,0,
828: $env{'course.'.$env{'request.course.id'}.'.description'},
829: $format->{'h1'});
830: $rows_output++;
831: my $cols_output = 0;
832: my $title_row = $rows_output++;
833: my $partid_row = $rows_output++;
834: my $respid_row = $rows_output++;
835: my $header_row = $rows_output++;
836: $worksheet->write($title_row ,0,&mt('Problem Title'),$format->{'bold'});
837: $worksheet->write($partid_row,0,&mt('Part ID'),$format->{'bold'});
838: $worksheet->write($respid_row,0,&mt('Response ID'),$format->{'bold'});
839: # Student headers
840: my @StudentColumns = &get_student_columns($show_named);
841: foreach my $field (@StudentColumns) {
842: $worksheet->write($header_row,$cols_output++,&mt(ucfirst($field)),
843: $format->{'bold'});
844: }
845: # Problem headers
846: my %start_col;
847: foreach my $prob (@$Problems) {
848: my $title = $prob->compTitle;
849: my $symb = $prob->symb();
850: $worksheet->write($title_row,$cols_output,
851: $title,$format->{'h3'});
852: foreach my $partid (@{$prob->parts}) {
853: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
854: next if ($show_named);
855: } else {
856: next unless ($show_named);
857: }
858: $worksheet->write($partid_row,$cols_output,
859: $prob->part_display($partid));
860: my $responses = [$prob->responseIds($partid)];
861: my $resptypes = [$prob->responseType($partid)];
862: for (my $i=0;$i<scalar(@$responses);$i++) {
863: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
864: $cols_output;
865: $worksheet->write($respid_row,$cols_output,
866: $resptypes->[$i].', '.$responses->[$i]);
867: my @headers = &get_headers($prob,$partid,$responses->[$i],
868: $resptypes->[$i],
869: $problem_analysis{$prob->src},
870: 'excel','display',
871: @extra_resp_headers);
872: foreach my $text (@headers) {
873: if ($text eq 'Time') {
874: $worksheet->set_column($cols_output,$cols_output,undef,
875: $format->{'date'});
876: }
877: $worksheet->write($header_row,$cols_output++,$text);
878: }
879: }
880: }
881: }
882: #
883: # Populate the worksheet with the student data
884: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,scalar(@$Students));
885: my $max_row = $rows_output;
886: foreach my $student (@$Students) {
887: last if ($c->aborted());
888: $cols_output = 0;
889: my $student_row = $max_row;
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: # Prepend current student's user information to all rows
945: for (my $row = $student_row;$row<$max_row;$row++) {
946: my $cols = 0;
947: foreach my $field (@StudentColumns) {
948: if ($show_named) {
949: my $value = $student->{$field};
950: if ($field eq 'comments') {
951: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
952: ($student->{'username'},$student->{'domain'});
953: }
954: $worksheet->write($row,$cols++,$value);
955: } else {
956: $worksheet->write($row,$cols++,
957: &mt('Anonymized'));
958: }
959: }
960: }
961: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
962: }
963: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
964: #
965: # Close the excel file
966: $workbook->close();
967: #
968: # Write a link to allow them to download it
969: $r->print('<p><a href="'.$filename.'">'.
970: &mt('Your Excel spreadsheet.').
971: '</a></p>'."\n");
972: $r->print('<script>'.
973: 'window.document.Statistics.stats_status.value="'.
974: 'Done compiling spreadsheet. See link below to download.'.
975: '";</script>');
976: $r->rflush();
977: return;
978: }
979:
980: sub compile_response_data {
981: my ($headers,$response,$prob,$partid,$respid,$resptype,$format) = @_;
982: if (! ref($headers) || ref($headers) ne 'ARRAY' || ! scalar(@$headers)) {
983: return ();
984: }
985: if (ref($format) ne 'CODE') {
986: $format = sub { return $_[0]; };
987: }
988: #
989: my $submission =
990: &HTML::Entities::decode
991: (&unescape($response->{'Submission'}));
992: if (!$prob->is_task()) {
993: return () if (! defined($submission) || $submission eq '');
994: }
995: $submission =~ s/\\\"/\"/g;
996: $submission =~ s/\\\'/\'/g;
997: if ($resptype eq 'radiobutton') {
998: $submission =~ s/=([^=])$//;
999: }
1000: $response->{'Submission'} = $submission;
1001: #
1002: my @values;
1003: if ($resptype =~ /^(option|match|rank)$/) {
1004: my %submission =
1005: map {
1006: my ($foil,$value) = split('=',&unescape($_));
1007: ($foil,$value);
1008: } split('&',$response->{'Submission'});
1009: my %correct;
1010: if (exists($response->{'Correct'})) {
1011: %correct =
1012: map {
1013: my ($foil,$value)=split('=',&unescape($_));
1014: ($foil,$value);
1015: } split('&',$response->{'Correct'});
1016: }
1017: #
1018: foreach my $original_header (@$headers) {
1019: if ($original_header =~ /^_/) {
1020: # '_' denotes a foil column
1021: my ($header) = ($original_header =~ m/^_(.*)$/);
1022: my $option = '';
1023: if ( my ($foil) = ($header =~ /(.*) Correct$/)) {
1024: if (exists($correct{$foil})) {
1025: $option = $correct{$foil};
1026: }
1027: } elsif (exists($submission{$header})) {
1028: $option = $submission{$header};
1029: }
1030: push(@values,&{$format}($option,$header));
1031: } else {
1032: # A normal column
1033: push(@values,&{$format}($response->{$original_header},
1034: $original_header));
1035: }
1036: }
1037: } else {
1038: @values = map { &{$format}($response->{$_},$_); } @$headers;
1039: }
1040: return @values;
1041: }
1042:
1043: sub excel_format_item {
1044: my ($item,$type) = @_;
1045: if ($type eq 'Time') {
1046: $item = &Apache::lonstathelpers::calc_serial($item);
1047: } else {
1048: if ($item =~ m/^=/) {
1049: $item = ' '.$item;
1050: }
1051: $item =~ s/\\r//g;
1052: $item =~ s/\\n/\n/g;
1053: $item =~ s/(\s*$|^\s*)//g;
1054: $item =~ s/\\\'/\'/g;
1055: }
1056: return $item;
1057: }
1058:
1059: #########################################################
1060: #########################################################
1061: ##
1062: ## CSV output of student answers
1063: ##
1064: #########################################################
1065: #########################################################
1066: sub prepare_csv_output {
1067: my ($r,$problems,$students,$anoncounter,$show_named) = @_;
1068: my $c = $r->connection();
1069: #
1070: $r->print('<p class="LC_info">'.
1071: &mt('Generating CSV report of student responses').'</p>');
1072: #
1073: # Progress window
1074: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,scalar(@$students));
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 = &get_student_columns($show_named);
1100: my $student_column_count = scalar(@student_columns);
1101: #
1102: my %headers;
1103: push(@{$headers{'student'}},@student_columns);
1104: # Pad for the student data
1105: foreach my $row ('problem','part','response') {
1106: $headers{$row}=[map {''} @student_columns];
1107: }
1108: #
1109: # we put the headers into the %headers hash
1110: my %problem_analysis;
1111: my %start_col;
1112: my $max_column = $student_column_count;
1113: foreach my $prob (@$problems) {
1114: my $symb = $prob->symb();
1115: my %analysis = &Apache::lonstathelpers::get_problem_data($prob->src);
1116: $problem_analysis{$prob->src}=\%analysis;
1117: $headers{'problem'}->[$max_column] = $prob->compTitle;
1118: foreach my $partid (@{$prob->parts}) {
1119: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
1120: next if ($show_named);
1121: } else {
1122: next unless ($show_named);
1123: }
1124: $headers{'part'}->[$max_column] = $prob->part_display($partid);
1125: my $responses = [$prob->responseIds($partid)];
1126: my $resptypes = [$prob->responseType($partid)];
1127: for (my $i=0;$i<scalar(@$responses);$i++) {
1128: my @headers = &get_headers($prob,$partid,$responses->[$i],
1129: $resptypes->[$i],
1130: $problem_analysis{$prob->src},
1131: 'csv','display',
1132: @extra_resp_headers);
1133: $start_col{$prob->symb}->{$partid}->{$responses->[$i]}=
1134: $max_column;
1135: $headers{'response'}->[$max_column]=
1136: &mt('Response [_1]',$responses->[$i]);
1137: for (my $j=0;$j<=$#headers;$j++) {
1138: $headers{'student'}->[$max_column+$j]=$headers[$j];
1139: }
1140: $max_column += scalar(@headers);
1141: }
1142: }
1143: }
1144: foreach my $row ('problem','part','response','student') {
1145: print $outputfile '"'.
1146: join('","',
1147: map {
1148: &Apache::loncommon::csv_translate($_);
1149: } @{$headers{$row}}).'"'.$/;
1150: }
1151: #
1152: # Main loop
1153: foreach my $student (@$students) {
1154: last if ($c->aborted());
1155: my @rows;
1156: foreach my $prob (@$problems) {
1157: my $symb = $prob->symb;
1158: foreach my $partid (@{$prob->parts}) {
1159: if (($prob->is_anonsurvey($partid)) || ($anoncounter->{$symb."\0".$partid})) {
1160: next if ($show_named);
1161: } else {
1162: next unless ($show_named);
1163: }
1164: my @responses = $prob->responseIds($partid);
1165: my @response_type = $prob->responseType($partid);
1166: for (my $i=0;$i<=$#responses;$i++) {
1167: my $respid = $responses[$i];
1168: my $resptype = $response_type[$i];
1169: my @headers = &get_headers($prob,$partid,$respid,$resptype,
1170: $problem_analysis{$prob->src},
1171: 'csv','normal',
1172: @extra_resp_headers);
1173: my $results =
1174: &Apache::loncoursedata::get_response_data_by_student
1175: ($student,$prob->symb(),$respid);
1176: if (! defined($results)) {
1177: $results = [];
1178: }
1179: for (my $j=0; $j<scalar(@$results);$j++) {
1180: if ($env{'form.all_sub'} ne 'true') {
1181: next if ($j != 0);
1182: }
1183: my $idx = scalar(@$results) - $j - 1;
1184: my $response = &hashify_response($results->[$idx],
1185: $prob,$student,
1186: $partid,$respid);
1187: my @data = &compile_response_data(\@headers,$response,
1188: $prob,$partid,
1189: $respid,$resptype,
1190: \&csv_format_item);
1191: my $resp_start_idx =
1192: $start_col{$prob->symb}->{$partid}->{$respid};
1193: for (my $k=0;$k<=$#data;$k++) {
1194: $rows[$j]->[$resp_start_idx + $k] = $data[$k];
1195: }
1196: }
1197: }
1198: }
1199: }
1200: foreach my $row (@rows) {
1201: my $student_row_data = '';
1202: if ($show_named) {
1203: foreach my $field (@student_columns) {
1204: my $value = $student->{$field};
1205: if ($field eq 'comments') {
1206: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1207: ($student->{'username'},$student->{'domain'});
1208: }
1209: $student_row_data .= '"'.&Apache::loncommon::csv_translate($value).'",';
1210: }
1211: $student_row_data =~ s/,$//;
1212: } else {
1213: $student_row_data = '"'.&mt('Anonymized').'"';
1214: }
1215: print $outputfile $student_row_data;
1216: for (my $i=$student_column_count;$i<$max_column;$i++) {
1217: my $value = &Apache::loncommon::csv_translate($row->[$i]);
1218: $value ||='';
1219: print $outputfile ',"'.$value.'"';
1220: }
1221: print $outputfile $/;
1222: }
1223: undef(@rows);
1224: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'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 .= '<br />';
1270: $Str .= &Apache::loncommon::start_data_table();
1271: $Str .= &Apache::loncommon::start_data_table_header_row();
1272: $Str .= '<th>'.&mt('Sections').'</th>';
1273: $Str .= '<th>'.&mt('Groups').'</th>';
1274: $Str .= '<th>'.&mt('Student Data').&Apache::loncommon::help_open_topic("Chart_Student_Data").'</th>';
1275: $Str .= '<th>'.&mt('Access Status').'</th>';
1276: $Str .= '<th>'.&mt('Options').'</th>';
1277: $Str .= '<th>'.&mt('Output Format').'</th>';
1278: $Str .= &Apache::loncommon::end_data_table_header_row();
1279: #
1280: $Str .= &Apache::loncommon::start_data_table_row();
1281: $Str .= '<td align="center">'."\n";
1282: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1283: $Str .= '</td>';
1284: #
1285: $Str .= '<td align="center">'."\n";
1286: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
1287: $Str .= '</td>';
1288: #
1289: $Str .= '<td align="center">'."\n";
1290: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', 5,undef);
1291: $Str .= '</td>';
1292: #
1293: $Str .= '<td align="center">';
1294: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1295: $Str .= '</td>';
1296: #
1297: # Render problem checkbox
1298: my $prob_checkbox = '<input type="checkbox" name="renderprob" ';
1299: if (exists($env{'form.renderprob'}) && $env{'form.renderprob'} eq 'true') {
1300: $prob_checkbox .= 'checked="checked" ';
1301: }
1302: $prob_checkbox .= 'value="true" />';
1303: #
1304: # Compute correct answers checkbox
1305: my $ans_checkbox = '<input type="checkbox" name="correctans" ';
1306: if (exists($env{'form.correctans'}) && $env{'form.correctans'} eq 'true') {
1307: $ans_checkbox .= 'checked="checked" ';
1308: }
1309: $ans_checkbox .= 'value="true" />';
1310: #
1311: # Show all submissions checkbox
1312: my $all_sub_checkbox = '<input type="checkbox" name="all_sub" ';
1313: if (exists($env{'form.all_sub'}) &&
1314: $env{'form.all_sub'} eq 'true') {
1315: $all_sub_checkbox .= 'checked="checked" ';
1316: }
1317: $all_sub_checkbox.= 'value="true" />';
1318: #
1319: # problem status checkbox
1320: my $prob_status_checkbox = '<input type="checkbox" name="prob_status" ';
1321: if (exists($env{'form.prob_status'}) &&
1322: $env{'form.prob_status'} eq 'true') {
1323: $prob_status_checkbox .= 'checked="checked" ';
1324: }
1325: $prob_status_checkbox .= 'value="true" />';
1326: #
1327: $Str .=
1328: '<td valign="top">'
1329: .'<label>'
1330: .$prob_checkbox.&mt('Show problem')
1331: .'</label><br />'
1332: .'<label>'
1333: .' '.$ans_checkbox.&mt('Show correct answers')
1334: .'</label><br />'
1335: .'<label>'
1336: .$all_sub_checkbox.&mt('Show all submissions')
1337: .'</label><br />'
1338: .'<label>'
1339: .$prob_status_checkbox.&mt('Show problem grading')
1340: .'</label>'
1341: .'</td>';
1342: #
1343: $Str .= '<td align="center" valign="top">'.$output_selector.'</td>';
1344: #
1345: $Str .= &Apache::loncommon::end_data_table_row();
1346: $Str .= &Apache::loncommon::end_data_table();
1347: #
1348: return $Str;
1349: }
1350:
1351: sub get_student_columns {
1352: my ($show_named) = @_;
1353: my @student_columns;
1354: if ($show_named) {
1355: @student_columns = @Apache::lonstatistics::SelectedStudentData;
1356: if (grep(/^all$/,@student_columns)) {
1357: @student_columns = qw(fullname username domain id section status groups comments);
1358: }
1359: } else {
1360: @student_columns = ('username');
1361: }
1362: return @student_columns;
1363: }
1364:
1365: 1;
1366:
1367: __END__
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