1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonproblemanalysis.pm,v 1.47 2003/10/30 16:24:36 matthew Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27:
28: package Apache::lonproblemanalysis;
29:
30: use strict;
31: use Apache::lonnet();
32: use Apache::loncommon();
33: use Apache::lonhtmlcommon();
34: use Apache::loncoursedata();
35: use Apache::lonstatistics;
36: use Apache::lonlocal;
37: use HTML::Entities();
38: use Time::Local();
39: use Spreadsheet::WriteExcel();
40:
41: my $plotcolors = ['#33ff00',
42: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
43: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
44: ];
45:
46: my @SubmitButtons = ({ name => 'ProblemAnalyis',
47: text => 'Analyze Problem Again' },
48: { name => 'ClearCache',
49: text => 'Clear Caches' },
50: { name => 'updatecaches',
51: text => 'Update Student Data' },
52: { name => 'SelectAnother',
53: text => 'Choose a different resource' },
54: { name => 'ExcelOutput',
55: text => 'Produce Excel Output' });
56:
57: sub render_resource {
58: my ($resource) = @_;
59: ##
60: ## Render the problem
61: my $base;
62: ($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|);
63: $base = "http://".$ENV{'SERVER_NAME'}.$base;
64: my $rendered_problem =
65: &Apache::lonnet::ssi_body($resource->{'src'});
66: $rendered_problem =~ s/<\s*form\s*/<nop /g;
67: $rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g;
68: return '<table bgcolor="ffffff"><tr><td>'.
69: '<base href="'.$base.'" />'.
70: $rendered_problem.
71: '</td></tr></table>';
72: }
73:
74: sub BuildProblemAnalysisPage {
75: my ($r,$c)=@_;
76: $r->print('<h2>'.&mt('Option Response Problem Analysis').'</h2>');
77: $r->print(&CreateInterface());
78: #
79: my @Students = @Apache::lonstatistics::Students;
80: #
81: if (@Students < 1) {
82: $r->print('<h2>There are no students in the sections selected</h2>');
83: }
84: #
85: &Apache::loncoursedata::clear_internal_caches();
86: if (exists($ENV{'form.ClearCache'}) ||
87: exists($ENV{'form.updatecaches'}) ||
88: (exists($ENV{'form.firstanalysis'}) &&
89: $ENV{'form.firstanalysis'} ne 'no')) {
90: &Apache::lonstatistics::Gather_Full_Student_Data($r);
91: }
92: if (! exists($ENV{'form.firstanalysis'})) {
93: $r->print('<input type="hidden" name="firstanalysis" value="yes" />');
94: } else {
95: $r->print('<input type="hidden" name="firstanalysis" value="no" />');
96: }
97: $r->rflush();
98: #
99: if (exists($ENV{'form.problemchoice'}) &&
100: ! exists($ENV{'form.SelectAnother'})) {
101: foreach my $button (@SubmitButtons) {
102: $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
103: 'value="'.&mt($button->{'text'}).'" />');
104: $r->print(' 'x5);
105: }
106: $r->print('<input type="hidden" name="problemchoice" value="'.
107: $ENV{'form.problemchoice'}.'" />');
108: #
109: $r->print('<hr />');
110: #
111: my ($symb,$part,$resid,$resptype) = &get_problem_symb(
112: &Apache::lonnet::unescape($ENV{'form.problemchoice'}));
113: $r->rflush();
114: #
115: my $resource = &get_resource_from_symb($symb);
116: if (! defined($resource) || ! defined($resptype)) {
117: $r->print('resource is undefined');
118: } else {
119: $r->print('<h1>'.$resource->{'title'}.'</h1>');
120: $r->print('<h3>'.$resource->{'src'}.'</h3>');
121: $r->print(&render_resource($resource));
122: $r->rflush();
123: if ($resptype eq 'option') {
124: my %Data = &get_OR_problem_data($resource->{'src'});
125: my $ProblemData = $Data{$part.'.'.$resid};
126: &OptionResponseAnalysis($r,$resource,$resid,$ProblemData,
127: \@Students);
128: } elsif ($resptype eq 'radiobutton') {
129: $r->print('<h2>This analysis is not supported</h2>');
130: my %Data = &get_Radio_problem_data($resource->{'src'});
131: my $ProblemData = $Data{$part.'.'.$resid};
132: &RadioResponseAnalysis($r,$resource,$resid,$ProblemData,
133: \@Students);
134: } else {
135: $r->print('<h2>This analysis is not supported</h2>');
136: }
137: }
138: $r->print('<hr />');
139: } else {
140: $r->print('<input type="submit" name="ProblemAnalysis" value="'.
141: &mt('Analyze Problem').'" />');
142: $r->print(' 'x5);
143: $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
144: $r->print(&ProblemSelector());
145: }
146: }
147:
148:
149: #########################################################
150: #########################################################
151: ##
152: ## Radio Response Routines
153: ##
154: #########################################################
155: #########################################################
156: sub RadioResponseAnalysis {
157: my ($r,$resource,$resid,$ProblemData,$Students) = @_;
158: my $PerformanceData =
159: &Apache::loncoursedata::get_response_data
160: ($Students,$resource->{'symb'},$resid);
161: if (! ref($PerformanceData)) {
162: $r->print('<h2>There is no submission data for this resource</h2>');
163: return;
164: }
165: # foreach my $row (@$PerformanceData) {
166: # &Apache::lonnet::logthis('row = '.join(',',@$row));
167: # }
168: return;
169: }
170: #########################################################
171: #########################################################
172: ##
173: ## Option Response Routines
174: ##
175: #########################################################
176: #########################################################
177: sub OptionResponseAnalysis {
178: my ($r,$resource,$resid,$ProblemData,$Students) = @_;
179: my $PerformanceData =
180: &Apache::loncoursedata::get_response_data
181: ($Students,$resource->{'symb'},$resid);
182: if (! defined($PerformanceData) ||
183: ref($PerformanceData) ne 'ARRAY' ) {
184: $r->print('<h2>'.
185: &mt('There is no student data for this problem.').
186: '</h2>');
187: } else {
188: $r->rflush();
189: if (exists($ENV{'form.ExcelOutput'})) {
190: my $result = &prepare_optionresponse_excel_sheet($r,$resource,
191: $PerformanceData,
192: $ProblemData);
193: $r->print($result);
194: $r->rflush();
195: } else {
196: if ($ENV{'form.AnalyzeOver'} eq 'Tries') {
197: my $analysis_html = &tries_analysis($r,
198: $PerformanceData,
199: $ProblemData);
200: $r->print($analysis_html);
201: $r->rflush();
202: } elsif ($ENV{'form.AnalyzeOver'} eq 'Time') {
203: my $analysis_html = &time_analysis($PerformanceData,
204: $ProblemData);
205: $r->print($analysis_html);
206: $r->rflush();
207: } else {
208: $r->print('<h2>'.
209: &mt('The analysis you have selected is '.
210: 'not supported at this time').
211: '</h2>');
212: }
213: }
214: }
215: }
216:
217: #########################################################
218: #
219: # Option Response: Tries Analysis
220: #
221: #########################################################
222: sub tries_analysis {
223: my ($r,$PerformanceData,$ORdata) = @_;
224: my $mintries = 1;
225: my $maxtries = $ENV{'form.NumPlots'};
226: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
227: if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) {
228: $table = '<h3>'.
229: &mt('Not enough data for concept analysis. '.
230: 'Performing Foil Analysis').
231: '</h3>'.$table;
232: $ENV{'form.AnalyzeAs'} = 'Foils';
233: }
234: my %ResponseData = &analyze_option_data_by_tries($r,$PerformanceData,
235: $mintries,$maxtries);
236: my $analysis = '';
237: if ($ENV{'form.AnalyzeAs'} eq 'Foils') {
238: $analysis = &Tries_Foil_Analysis($mintries,$maxtries,$Foils,
239: \%ResponseData,$ORdata);
240: } else {
241: $analysis = &Tries_Concept_Analysis($mintries,$maxtries,
242: $Concepts,\%ResponseData,$ORdata);
243: }
244: $table .= $analysis;
245: return $table;
246: }
247:
248: sub Tries_Foil_Analysis {
249: my ($mintries,$maxtries,$Foils,$respdat,$ORdata) = @_;
250: my %ResponseData = %$respdat;
251: #
252: # Compute the data neccessary to make the plots
253: my @PlotData;
254: foreach my $foilid (@$Foils) {
255: for (my $i=$mintries;$i<=$maxtries;$i++) {
256: if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) {
257: push(@{$PlotData[$i]->{'_correct'}},0);
258: } else {
259: push(@{$PlotData[$i]->{'_correct'}},
260: 100*$ResponseData{$foilid}->[$i]->{'_correct'}/
261: $ResponseData{$foilid}->[$i]->{'_total'});
262: }
263: foreach my $option (@{$ORdata->{'Options'}}) {
264: push(@{$PlotData[$i]->{'_total'}},
265: $ResponseData{$foilid}->[$i]->{'_total'});
266: if ($ResponseData{$foilid}->[$i]->{'_total'} == 0) {
267: push (@{$PlotData[$i]->{$option}},0);
268: } else {
269: if ($ResponseData{$foilid}->[$i]->{'_total'} ==
270: $ResponseData{$foilid}->[$i]->{'_correct'}) {
271: push(@{$PlotData[$i]->{$option}},0);
272: } else {
273: push (@{$PlotData[$i]->{$option}},
274: 100 * $ResponseData{$foilid}->[$i]->{$option} /
275: ($ResponseData{$foilid}->[$i]->{'_total'} -
276: $ResponseData{$foilid}->[$i]->{'_correct'}));
277: }
278: }
279: }
280: }
281: }
282: #
283: # Build a table for the plots
284: my $analysis_html = "<table>\n";
285: my $foilkey = &build_option_index($ORdata);
286: for (my $i=$mintries;$i<=$maxtries;$i++) {
287: my $count = $ResponseData{'_total'}->[$i];
288: if ($count == 0) {
289: $count = 'no submissions';
290: } elsif ($count == 1) {
291: $count = '1 submission';
292: } else {
293: $count = $count.' submissions';
294: }
295: my $title = 'Attempt '.$i.', '.$count;
296: my @Datasets;
297: foreach my $option ('_correct',@{$ORdata->{'Options'}}) {
298: next if (! exists($PlotData[$i]->{$option}));
299: push(@Datasets,$PlotData[$i]->{$option});
300: }
301: my $correctgraph = &Apache::loncommon::DrawBarGraph
302: ($title,'Foil Number','Percent Correct',
303: 100,$plotcolors,$Datasets[0]);
304: $analysis_html.= '<tr><td>'.$correctgraph.'</td>';
305: ##
306: ##
307: for (my $i=0; $i< scalar(@{$Datasets[0]});$i++) {
308: $Datasets[0]->[$i]=0;
309: }
310: $count = $ResponseData{'_total'}->[$i]-$ResponseData{'_correct'}->[$i];
311: if ($count == 0) {
312: $count = 'no submissions';
313: } elsif ($count == 1) {
314: $count = '1 submission';
315: } else {
316: $count = $count.' submissions';
317: }
318: $title = 'Attempt '.$i.', '.$count;
319: my $incorrectgraph = &Apache::loncommon::DrawBarGraph
320: ($title,'Foil Number','% Option Chosen Incorrectly',
321: 100,$plotcolors,@Datasets);
322: $analysis_html.= '<td>'.$incorrectgraph.'</td>';
323: $analysis_html.= '<td>'.$foilkey."<td></tr>\n";
324: }
325: $analysis_html .= "</table>\n";
326: return $analysis_html;
327: }
328:
329: sub Tries_Concept_Analysis {
330: my ($mintries,$maxtries,$Concepts,$respdat,$ORdata) = @_;
331: my %ResponseData = %$respdat;
332: my $analysis_html = "<table>\n";
333: #
334: # Compute the data neccessary to make the plots
335: my @PlotData;
336: # Concept analysis
337: #
338: # Note: we do not bother with characterizing the students incorrect
339: # answers at the concept level because an incorrect answer for one foil
340: # may be a correct answer for another foil.
341: my %ConceptData;
342: foreach my $concept (@{$Concepts}) {
343: for (my $i=$mintries;$i<=$maxtries;$i++) {
344: #
345: # Gather the per-attempt data
346: my $cdata = $ConceptData{$concept}->[$i];
347: foreach my $foilid (@{$concept->{'foils'}}) {
348: $cdata->{'_correct'} +=
349: $ResponseData{$foilid}->[$i]->{'_correct'};
350: $cdata->{'_total'} +=
351: $ResponseData{$foilid}->[$i]->{'_total'};
352: }
353: push (@{$PlotData[$i]->{'_total'}},$cdata->{'_total'});
354: if ($cdata->{'_total'} == 0) {
355: push (@{$PlotData[$i]->{'_correct'}},0);
356: } else {
357: push (@{$PlotData[$i]->{'_correct'}},
358: 100*$cdata->{'_correct'}/$cdata->{'_total'});
359: }
360: }
361: }
362: # Build a table for the plots
363: for (my $i=$mintries;$i<=$maxtries;$i++) {
364: my $minstu = $PlotData[$i]->{'_total'}->[0];
365: my $maxstu = $PlotData[$i]->{'_total'}->[0];
366: foreach my $count (@{$PlotData[$i]->{'_total'}}) {
367: if ($minstu > $count) {
368: $minstu = $count;
369: }
370: if ($maxstu < $count) {
371: $maxstu = $count;
372: }
373: }
374: $maxstu = 0 if (! defined($maxstu));
375: $minstu = 0 if (! defined($minstu));
376: my $title;
377: my $count = $ResponseData{'_total'}->[$i];
378: if ($count == 0) {
379: $count = 'no submissions';
380: } elsif ($count == 1) {
381: $count = '1 submission';
382: } else {
383: $count = $count.' submissions';
384: }
385: $title = 'Attempt '.$i.', '.$count;
386: my $graphlink = &Apache::loncommon::DrawBarGraph
387: ($title,'Concept Number','Percent Correct',
388: 100,$plotcolors,$PlotData[$i]->{'_correct'});
389: $analysis_html.= '<tr><td>'.$graphlink."</td></tr>\n";
390: }
391: $analysis_html .= "</table>\n";
392: return $analysis_html;
393: }
394:
395: sub analyze_option_data_by_tries {
396: my ($r,$PerformanceData,$mintries,$maxtries) = @_;
397: my %Trydata;
398: $mintries = 1 if (! defined($mintries) || $mintries < 1);
399: $maxtries = $mintries if (! defined($maxtries) || $maxtries < $mintries);
400: foreach my $row (@$PerformanceData) {
401: next if (! defined($row));
402: my $tries = &get_tries_from_row($row);
403: my %Row = &Process_OR_Row($row);
404: next if (! %Row);
405: while (my ($foilid,$href) = each(%Row)) {
406: if (! ref($href)) {
407: $Trydata{$foilid}->[$tries] += $href;
408: next;
409: }
410: while (my ($option,$value) = each(%$href)) {
411: $Trydata{$foilid}->[$tries]->{$option}+=$value;
412: }
413: }
414: }
415: return %Trydata;
416: }
417:
418: #########################################################
419: #
420: # Option Response: Time Analysis
421: #
422: #########################################################
423: sub time_analysis {
424: my ($PerformanceData,$ORdata) = @_;
425: my ($table,$Foils,$Concepts) = &build_foil_index($ORdata);
426: if ((@$Concepts < 2) && ($ENV{'form.AnalyzeAs'} ne 'Foils')) {
427: $table = '<h3>'.
428: &mt('Not enough data for concept analysis. '.
429: 'Performing Foil Analysis').
430: '</h3>'.$table;
431: $ENV{'form.AnalyzeAs'} = 'Foils';
432: }
433: my $num_plots = $ENV{'form.NumPlots'};
434: my $num_data = scalar(@$PerformanceData)-1;
435: my $percent = sprintf('%2f',100/$num_plots);
436: #
437: $table .= "<table>\n";
438: for (my $i=0;$i<$num_plots;$i++) {
439: ##
440: my $starttime = &Apache::lonhtmlcommon::get_date_from_form
441: ('startdate_'.$i);
442: my $endtime = &Apache::lonhtmlcommon::get_date_from_form
443: ('enddate_'.$i);
444: if (! defined($starttime) || ! defined($endtime)) {
445: my $sec_in_day = 86400;
446: my $last_sub_time = &get_time_from_row($PerformanceData->[-1]);
447: my ($sday,$smon,$syear);
448: (undef,undef,undef,$sday,$smon,$syear) =
449: localtime($last_sub_time - $sec_in_day*$i);
450: $starttime = &Time::Local::timelocal(0,0,0,$sday,$smon,$syear);
451: $endtime = $starttime + $sec_in_day;
452: if ($i == ($num_plots -1 )) {
453: $starttime = &get_time_from_row($PerformanceData->[0]);
454: }
455: }
456: my $startdateform = &Apache::lonhtmlcommon::date_setter
457: ('Statistics','startdate_'.$i,$starttime);
458: my $enddateform = &Apache::lonhtmlcommon::date_setter
459: ('Statistics','enddate_'.$i,$endtime);
460: #
461: my $begin_index;
462: my $end_index;
463: my $j;
464: while (++$j < scalar(@$PerformanceData)) {
465: last if (&get_time_from_row($PerformanceData->[$j])
466: > $starttime);
467: }
468: $begin_index = $j;
469: while (++$j < scalar(@$PerformanceData)) {
470: last if (&get_time_from_row($PerformanceData->[$j]) > $endtime);
471: }
472: $end_index = $j;
473: ##
474: my $interval = {
475: begin_index => $begin_index,
476: end_index => $end_index,
477: startdateform => $startdateform,
478: enddateform => $enddateform,
479: };
480: if ($ENV{'form.AnalyzeAs'} eq 'Foils') {
481: $table .= &Foil_Time_Analysis($PerformanceData,$ORdata,$Foils,
482: $interval);
483: } else {
484: $table .= &Concept_Time_Analysis($PerformanceData,$ORdata,
485: $Concepts,$interval);
486: }
487: }
488: #
489: return $table;
490: }
491:
492: sub Foil_Time_Analysis {
493: my ($PerformanceData,$ORdata,$Foils,$interval) = @_;
494: my $analysis_html;
495: my $foilkey = &build_option_index($ORdata);
496: my ($begin_index,$end_index) = ($interval->{'begin_index'},
497: $interval->{'end_index'});
498: my %TimeData;
499: #
500: # Compute the number getting the foils correct or incorrects
501: for (my $j=$begin_index;$j<=$end_index;$j++) {
502: my $row = $PerformanceData->[$j];
503: next if (! defined($row));
504: my %Row = &Process_OR_Row($row);
505: while (my ($foilid,$href) = each(%Row)) {
506: if (! ref($href)) {
507: $TimeData{$foilid} += $href;
508: next;
509: }
510: while (my ($option,$value) = each(%$href)) {
511: $TimeData{$foilid}->{$option}+=$value;
512: }
513: }
514: }
515: my @Plotdata;
516: foreach my $foil (@$Foils) {
517: my $total = $TimeData{$foil}->{'_total'};
518: if ($total == 0) {
519: push(@{$Plotdata[0]},0);
520: } else {
521: push(@{$Plotdata[0]},
522: 100 * $TimeData{$foil}->{'_correct'} / $total);
523: }
524: my $total_incorrect = $total - $TimeData{$foil}->{'_correct'};
525: my $optionidx = 1;
526: foreach my $option (@{$ORdata->{'Options'}}) {
527: if ($total_incorrect == 0) {
528: push(@{$Plotdata[$optionidx]},0);
529: } else {
530: push(@{$Plotdata[$optionidx]},
531: 100 * $TimeData{$foil}->{$option} / $total_incorrect);
532: }
533: } continue {
534: $optionidx++;
535: }
536: }
537: #
538: # Create the plot
539: my $count = $end_index-$begin_index;
540: my $title;
541: if ($count == 0) {
542: $title = 'no submissions';
543: } elsif ($count == 1) {
544: $title = 'one submission';
545: } else {
546: $title = $count.' submissions';
547: }
548: my $correctplot = &Apache::loncommon::DrawBarGraph($title,
549: 'Foil Number',
550: 'Percent Correct',
551: 100,
552: $plotcolors,
553: $Plotdata[0]);
554: for (my $j=0; $j< scalar(@{$Plotdata[0]});$j++) {
555: $Plotdata[0]->[$j]=0;
556: }
557: $count = $end_index-$begin_index-$TimeData{'_correct'};
558: if ($count == 0) {
559: $title = 'no submissions';
560: } elsif ($count == 1) {
561: $title = 'one submission';
562: } else {
563: $title = $count.' submissions';
564: }
565: my $incorrectplot = &Apache::loncommon::DrawBarGraph($title,
566: 'Foil Number',
567: 'Incorrect Option Choice',
568: 100,
569: $plotcolors,
570: @Plotdata);
571: $analysis_html.='<tr>'.
572: '<td>'.$correctplot.'</td>'.
573: '<td>'.$incorrectplot.'</td>'.
574: '<td align="left" valign="top">'.$foilkey.'</td>'."</tr>\n";
575: $analysis_html.= '<tr>'.'<td colspan="3">'.
576: '<b>Start Time</b>:'.
577: ' '.$interval->{'startdateform'}.'<br />'.
578: '<b>End Time</b> : '.
579: ' '.$interval->{'enddateform'}.'<br />'.
580: # '<b>Plot Title</b> :'.
581: # (" "x3).$interval->{'titleform'}.
582: '</td>'.
583: "</tr>\n";
584: return $analysis_html;
585: }
586:
587: sub Concept_Time_Analysis {
588: my ($PerformanceData,$ORdata,$Concepts,$interval) = @_;
589: my $analysis_html;
590: ##
591: ## Determine starttime, endtime, startindex, endindex
592: my ($begin_index,$end_index) = ($interval->{'begin_index'},
593: $interval->{'end_index'});
594: my %TimeData;
595: #
596: # Compute the number getting the foils correct or incorrects
597: for (my $j=$begin_index;$j<=$end_index;$j++) {
598: my $row = $PerformanceData->[$j];
599: next if (! defined($row));
600: my %Row = &Process_OR_Row($row);
601: while (my ($foilid,$href) = each(%Row)) {
602: if (! ref($href)) {
603: $TimeData{$foilid} += $href;
604: next;
605: }
606: while (my ($option,$value) = each(%$href)) {
607: $TimeData{$foilid}->{$option}+=$value;
608: }
609: }
610: }
611: #
612: # Put the data in plottable form
613: my @Plotdata;
614: foreach my $concept (@$Concepts) {
615: my ($total,$correct);
616: foreach my $foil (@{$concept->{'foils'}}) {
617: $total += $TimeData{$foil}->{'_total'};
618: $correct += $TimeData{$foil}->{'_correct'};
619: }
620: if ($total == 0) {
621: push(@Plotdata,0);
622: } else {
623: push(@Plotdata,100 * $correct / $total);
624: }
625: }
626: #
627: # Create the plot
628: my $title = ($end_index - $begin_index).' submissions';
629: my $correctplot = &Apache::loncommon::DrawBarGraph($title,
630: 'Concept Number',
631: 'Percent Correct',
632: 100,
633: $plotcolors,
634: \@Plotdata);
635: $analysis_html.='<tr>'.
636: '<td>'.$correctplot.'</td>'.
637: '<td align="left" valign="top">'.
638: '<b>Start Time</b>: '.$interval->{'startdateform'}.'<br />'.
639: '<b>End Time</b> : '.
640: ' '.$interval->{'enddateform'}.'<br />'.
641: # '<b>Plot Title</b> :'.(" "x3).
642: # $interval->{'titleform'}.
643: '</td>'.
644: "</tr>\n";
645: return $analysis_html;
646: }
647:
648: #########################################################
649: #########################################################
650: ##
651: ## Excel output
652: ##
653: #########################################################
654: #########################################################
655: sub prepare_optionresponse_excel_sheet {
656: my ($r,$resource,$PerformanceData,$ORdata) = @_;
657: my $response = '';
658: my (undef,$Foils,$Concepts) = &build_foil_index($ORdata);
659: #
660: # Create excel worksheet
661: my $filename = '/prtspool/'.
662: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
663: time.'_'.rand(1000000000).'.xls';
664: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
665: if (! defined($workbook)) {
666: $r->log_error("Error creating excel spreadsheet $filename: $!");
667: $r->print('<p>'.&mt("Unable to create new Excel file. ".
668: "This error has been logged. ".
669: "Please alert your LON-CAPA administrator").
670: '</p>');
671: return undef;
672: }
673: #
674: $workbook->set_tempdir('/home/httpd/perl/tmp');
675: #
676: # Define some potentially useful formats
677: my $format;
678: $format->{'header'} = $workbook->add_format(bold => 1,
679: bottom => 1,
680: align => 'center');
681: $format->{'bold'} = $workbook->add_format(bold=>1);
682: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
683: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
684: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
685: $format->{'date'} = $workbook->add_format(num_format=>
686: 'mmm d yyyy hh:mm AM/PM');
687: #
688: # Create and populate main worksheets
689: my $problem_data_sheet = $workbook->addworksheet('Problem Data');
690: my $student_data_sheet = $workbook->addworksheet('Student Data');
691: my $response_data_sheet = $workbook->addworksheet('Response Data');
692: foreach my $sheet ($problem_data_sheet,$student_data_sheet,
693: $response_data_sheet) {
694: $sheet->write(0,0,$resource->{'title'},$format->{'h2'});
695: $sheet->write(1,0,$resource->{'src'},$format->{'h3'});
696: }
697: #
698: my $result;
699: $result = &build_problem_data_worksheet($problem_data_sheet,$format,
700: $Concepts,$ORdata);
701: if ($result ne 'okay') {
702: # Do something useful
703: }
704: $result = &build_student_data_worksheet($student_data_sheet,$format);
705: if ($result ne 'okay') {
706: # Do something useful
707: }
708: $result = &build_response_data_worksheet($response_data_sheet,$format,
709: $PerformanceData,$Foils,
710: $ORdata);
711: if ($result ne 'okay') {
712: # Do something useful
713: }
714: $response_data_sheet->activate();
715: #
716: # Close the excel file
717: $workbook->close();
718: #
719: # Write a link to allow them to download it
720: $result .= '<h2>'.&mt('Excel Raw Data Output').'</h2>'.
721: '<p><a href="'.$filename.'">'.
722: &mt('Your Excel spreadsheet.').
723: '</a></p>'."\n";
724: return $result;
725: }
726:
727: sub build_problem_data_worksheet {
728: my ($worksheet,$format,$Concepts,$ORdata) = @_;
729: my $rows_output = 3;
730: my $cols_output = 0;
731: $worksheet->write($rows_output++,0,'Problem Structure',$format->{'h3'});
732: ##
733: ##
734: my @Headers;
735: if (@$Concepts > 1) {
736: @Headers = ("Concept\nNumber",'Concept',"Foil\nNumber",
737: 'Foil Name','Foil Text','Correct value');
738: } else {
739: @Headers = ('Foil Number','FoilName','Foil Text','Correct value');
740: }
741: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
742: my %Foildata = %{$ORdata->{'Foils'}};
743: my $conceptindex = 1;
744: my $foilindex = 1;
745: foreach my $concept (@$Concepts) {
746: my @FoilsInConcept = @{$concept->{'foils'}};
747: my $firstfoil = shift(@FoilsInConcept);
748: if (@$Concepts > 1) {
749: $worksheet->write_row($rows_output++,0,
750: [$conceptindex,
751: $concept->{'name'},
752: $foilindex++,
753: $Foildata{$firstfoil}->{'name'},
754: $Foildata{$firstfoil}->{'text'},
755: $Foildata{$firstfoil}->{'value'},]);
756: } else {
757: $worksheet->write_row($rows_output++,0,
758: [ $foilindex++,
759: $Foildata{$firstfoil}->{'name'},
760: $Foildata{$firstfoil}->{'text'},
761: $Foildata{$firstfoil}->{'value'},]);
762: }
763: foreach my $foilid (@FoilsInConcept) {
764: if (@$Concepts > 1) {
765: $worksheet->write_row($rows_output++,0,
766: ['',
767: '',
768: $foilindex,
769: $Foildata{$foilid}->{'name'},
770: $Foildata{$foilid}->{'text'},
771: $Foildata{$foilid}->{'value'},]);
772: } else {
773: $worksheet->write_row($rows_output++,0,
774: [$foilindex,
775: $Foildata{$foilid}->{'name'},
776: $Foildata{$foilid}->{'text'},
777: $Foildata{$foilid}->{'value'},]);
778: }
779: } continue {
780: $foilindex++;
781: }
782: } continue {
783: $conceptindex++;
784: }
785: $rows_output++;
786: $rows_output++;
787: ##
788: ## Option data output
789: $worksheet->write($rows_output++,0,'Options',$format->{'header'});
790: foreach my $string (@{$ORdata->{'Options'}}) {
791: $worksheet->write($rows_output++,0,$string);
792: }
793: return 'okay';
794: }
795:
796: sub build_student_data_worksheet {
797: my ($worksheet,$format) = @_;
798: my $rows_output = 3;
799: my $cols_output = 0;
800: $worksheet->write($rows_output++,0,'Student Data',$format->{'h3'});
801: my @Headers = ('full name','username','domain','section',
802: "student\nnumber",'identifier');
803: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
804: my @Students = @Apache::lonstatistics::Students;
805: my $studentrows = &Apache::loncoursedata::get_student_data(\@Students);
806: my %ids;
807: foreach my $row (@$studentrows) {
808: my ($mysqlid,$student) = @$row;
809: $ids{$student}=$mysqlid;
810: }
811: foreach my $student (@Students) {
812: my $name_domain = $student->{'username'}.':'.$student->{'domain'};
813: $worksheet->write_row($rows_output++,0,
814: [$student->{'fullname'},
815: $student->{'username'},$student->{'domain'},
816: $student->{'section'},$student->{'id'},
817: $ids{$name_domain}]);
818: }
819: return;
820: }
821:
822: sub build_response_data_worksheet {
823: my ($worksheet,$format,$PerformanceData,$Foils,$ORdata)=@_;
824: my $rows_output = 3;
825: my $cols_output = 0;
826: $worksheet->write($rows_output++,0,'Response Data',$format->{'h3'});
827: $worksheet->set_column(1,1,20);
828: $worksheet->set_column(2,2,13);
829: my @Headers = ('identifier','time','award detail','attempt');
830: foreach my $foil (@$Foils) {
831: push (@Headers,$foil.' submission');
832: push (@Headers,$foil.' grading');
833: }
834: $worksheet->write_row($rows_output++,0,\@Headers,$format->{'header'});
835: #
836: foreach my $row (@$PerformanceData) {
837: next if (! defined($row));
838: my ($student,$award,$grading,$submission,$time,$tries) = @$row;
839: my @Foilgrades = split('&',$grading);
840: my @Foilsubs = split('&',$submission);
841: my %ResponseData;
842: for (my $j=0;$j<=$#Foilgrades;$j++) {
843: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
844: my (undef,$submission) = split('=',$Foilsubs[$j]);
845: $submission = &Apache::lonnet::unescape($submission);
846: $ResponseData{$foilid.' submission'}=$submission;
847: $ResponseData{$foilid.' award'}=$correct;
848: }
849: $worksheet->write($rows_output,$cols_output++,$student);
850: $worksheet->write($rows_output,$cols_output++,
851: &calc_serial($time),$format->{'date'});
852: $worksheet->write($rows_output,$cols_output++,$award);
853: $worksheet->write($rows_output,$cols_output++,$tries);
854: foreach my $foilid (@$Foils) {
855: $worksheet->write($rows_output,$cols_output++,
856: $ResponseData{$foilid.' submission'});
857: $worksheet->write($rows_output,$cols_output++,
858: $ResponseData{$foilid.' award'});
859: }
860: $rows_output++;
861: $cols_output = 0;
862: }
863: return;
864: }
865:
866:
867: ##
868: ## The following is copied from datecalc1.pl, part of the
869: ## Spreadsheet::WriteExcel CPAN module.
870: ##
871: ##
872: ######################################################################
873: #
874: # Demonstration of writing date/time cells to Excel spreadsheets,
875: # using UNIX/Perl time as source of date/time.
876: #
877: # Copyright 2000, Andrew Benham, adsb@bigfoot.com
878: #
879: ######################################################################
880: #
881: # UNIX/Perl time is the time since the Epoch (00:00:00 GMT, 1 Jan 1970)
882: # measured in seconds.
883: #
884: # An Excel file can use exactly one of two different date/time systems.
885: # In these systems, a floating point number represents the number of days
886: # (and fractional parts of the day) since a start point. The floating point
887: # number is referred to as a 'serial'.
888: # The two systems ('1900' and '1904') use different starting points:
889: # '1900'; '1.00' is 1 Jan 1900 BUT 1900 is erroneously regarded as
890: # a leap year - see:
891: # http://support.microsoft.com/support/kb/articles/Q181/3/70.asp
892: # for the excuse^H^H^H^H^H^Hreason.
893: # '1904'; '1.00' is 2 Jan 1904.
894: #
895: # The '1904' system is the default for Apple Macs. Windows versions of
896: # Excel have the option to use the '1904' system.
897: #
898: # Note that Visual Basic's "DateSerial" function does NOT erroneously
899: # regard 1900 as a leap year, and thus its serials do not agree with
900: # the 1900 serials of Excel for dates before 1 Mar 1900.
901: #
902: # Note that StarOffice (at least at version 5.2) does NOT erroneously
903: # regard 1900 as a leap year, and thus its serials do not agree with
904: # the 1900 serials of Excel for dates before 1 Mar 1900.
905: #
906: ######################################################################
907: #
908: # Calculation description
909: # =======================
910: #
911: # 1900 system
912: # -----------
913: # Unix time is '0' at 00:00:00 GMT 1 Jan 1970, i.e. 70 years after 1 Jan 1900.
914: # Of those 70 years, 17 (1904,08,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68)
915: # were leap years with an extra day.
916: # Thus there were 17 + 70*365 days = 25567 days between 1 Jan 1900 and
917: # 1 Jan 1970.
918: # In the 1900 system, '1' is 1 Jan 1900, but as 1900 was not a leap year
919: # 1 Jan 1900 should really be '2', so 1 Jan 1970 is '25569'.
920: #
921: # 1904 system
922: # -----------
923: # Unix time is '0' at 00:00:00 GMT 1 Jan 1970, i.e. 66 years after 1 Jan 1904.
924: # Of those 66 years, 17 (1904,08,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68)
925: # were leap years with an extra day.
926: # Thus there were 17 + 66*365 days = 24107 days between 1 Jan 1904 and
927: # 1 Jan 1970.
928: # In the 1904 system, 2 Jan 1904 being '1', 1 Jan 1970 is '24107'.
929: #
930: ######################################################################
931: #
932: # Copyright (c) 2000, Andrew Benham.
933: # This program is free software. It may be used, redistributed and/or
934: # modified under the same terms as Perl itself.
935: #
936: # Andrew Benham, adsb@bigfoot.com
937: # London, United Kingdom
938: # 11 Nov 2000
939: #
940: ######################################################################
941:
942: # Use 1900 date system on all platforms other than Apple Mac (for which
943: # use 1904 date system).
944: my $DATE_SYSTEM = ($^O eq 'MacOS') ? 1 : 0;
945:
946: #-----------------------------------------------------------
947: # calc_serial()
948: #
949: # Called with (up to) 2 parameters.
950: # 1. Unix timestamp. If omitted, uses current time.
951: # 2. GMT flag. Set to '1' to return serial in GMT.
952: # If omitted, returns serial in appropriate timezone.
953: #
954: # Returns date/time serial according to $DATE_SYSTEM selected
955: #-----------------------------------------------------------
956: sub calc_serial {
957: my $time = (defined $_[0]) ? $_[0] : time();
958: my $gmtflag = (defined $_[1]) ? $_[1] : 0;
959:
960: # Divide timestamp by number of seconds in a day.
961: # This gives a date serial with '0' on 1 Jan 1970.
962: my $serial = $time / 86400;
963:
964: # Adjust the date serial by the offset appropriate to the
965: # currently selected system (1900/1904).
966: if ($DATE_SYSTEM == 0) { # use 1900 system
967: $serial += 25569;
968: } else { # use 1904 system
969: $serial += 24107;
970: }
971:
972: unless ($gmtflag) {
973: # Now have a 'raw' serial with the right offset. But this
974: # gives a serial in GMT, which is false unless the timezone
975: # is GMT. We need to adjust the serial by the appropriate
976: # timezone offset.
977: # Calculate the appropriate timezone offset by seeing what
978: # the differences between localtime and gmtime for the given
979: # time are.
980:
981: my @gmtime = gmtime($time);
982: my @ltime = localtime($time);
983:
984: # For the first 7 elements of the two arrays, adjust the
985: # date serial where the elements differ.
986: for (0 .. 6) {
987: my $diff = $ltime[$_] - $gmtime[$_];
988: if ($diff) {
989: $serial += _adjustment($diff,$_);
990: }
991: }
992: }
993:
994: # Perpetuate the error that 1900 was a leap year by decrementing
995: # the serial if we're using the 1900 system and the date is prior to
996: # 1 Mar 1900. This has the effect of making serial value '60'
997: # 29 Feb 1900.
998:
999: # This fix only has any effect if UNIX/Perl time on the platform
1000: # can represent 1900. Many can't.
1001:
1002: unless ($DATE_SYSTEM) {
1003: $serial-- if ($serial < 61); # '61' is 1 Mar 1900
1004: }
1005: return $serial;
1006: }
1007:
1008: sub _adjustment {
1009: # Based on the difference in the localtime/gmtime array elements
1010: # number, return the adjustment required to the serial.
1011:
1012: # We only look at some elements of the localtime/gmtime arrays:
1013: # seconds unlikely to be different as all known timezones
1014: # have an offset of integral multiples of 15 minutes,
1015: # but it's easy to do.
1016: # minutes will be different for timezone offsets which are
1017: # not an exact number of hours.
1018: # hours very likely to be different.
1019: # weekday will differ when localtime/gmtime difference
1020: # straddles midnight.
1021: #
1022: # Assume that difference between localtime and gmtime is less than
1023: # 5 days, then don't have to do maths for day of month, month number,
1024: # year number, etc...
1025:
1026: my ($delta,$element) = @_;
1027: my $adjust = 0;
1028:
1029: if ($element == 0) { # Seconds
1030: $adjust = $delta/86400; # 60 * 60 * 24
1031: } elsif ($element == 1) { # Minutes
1032: $adjust = $delta/1440; # 60 * 24
1033: } elsif ($element == 2) { # Hours
1034: $adjust = $delta/24; # 24
1035: } elsif ($element == 6) { # Day of week number
1036: # Catch difference straddling Sat/Sun in either direction
1037: $delta += 7 if ($delta < -4);
1038: $delta -= 7 if ($delta > 4);
1039:
1040: $adjust = $delta;
1041: }
1042: return $adjust;
1043: }
1044:
1045: sub build_foil_index {
1046: my ($ORdata) = @_;
1047: return if (! exists($ORdata->{'Foils'}));
1048: my %Foildata = %{$ORdata->{'Foils'}};
1049: my @Foils = sort(keys(%Foildata));
1050: my %Concepts;
1051: foreach my $foilid (@Foils) {
1052: push(@{$Concepts{$Foildata{$foilid}->{'Concept'}}},
1053: $foilid);
1054: }
1055: undef(@Foils);
1056: # Having gathered the concept information in a hash, we now translate it
1057: # into an array because we need to be consistent about order.
1058: # Also put the foils in order, too.
1059: my $sortfunction = sub {
1060: my %Numbers = (one => 1,
1061: two => 2,
1062: three => 3,
1063: four => 4,
1064: five => 5,
1065: six => 6,
1066: seven => 7,
1067: eight => 8,
1068: nine => 9,
1069: ten => 10,);
1070: my $a1 = lc($a);
1071: my $b1 = lc($b);
1072: if (exists($Numbers{$a})) {
1073: $a1 = $Numbers{$a};
1074: }
1075: if (exists($Numbers{$b})) {
1076: $b1 = $Numbers{$b};
1077: }
1078: $a1 cmp $b1;
1079: };
1080: my @Concepts;
1081: foreach my $concept (sort $sortfunction (keys(%Concepts))) {
1082: push(@Concepts,{ name => $concept,
1083: foils => [@{$Concepts{$concept}}]});
1084: push(@Foils,(@{$Concepts{$concept}}));
1085: }
1086: #
1087: # Build up the table of row labels.
1088: my $table = '<table border="1" >'."\n";
1089: if (@Concepts > 1) {
1090: $table .= '<tr>'.
1091: '<th>'.&mt('Concept Number').'</th>'.
1092: '<th>'.&mt('Concept').'</th>'.
1093: '<th>'.&mt('Foil Number').'</th>'.
1094: '<th>'.&mt('Foil Name').'</th>'.
1095: '<th>'.&mt('Foil Text').'</th>'.
1096: '<th>'.&mt('Correct Value').'</th>'.
1097: "</tr>\n";
1098: } else {
1099: $table .= '<tr>'.
1100: '<th>'.&mt('Foil Number').'</th>'.
1101: '<th>'.&mt('Foil Name').'</th>'.
1102: '<th>'.&mt('Foil Text').'</th>'.
1103: '<th>'.&mt('Correct Value').'</th>'.
1104: "</tr>\n";
1105: }
1106: my $conceptindex = 1;
1107: my $foilindex = 1;
1108: foreach my $concept (@Concepts) {
1109: my @FoilsInConcept = @{$concept->{'foils'}};
1110: my $firstfoil = shift(@FoilsInConcept);
1111: if (@Concepts > 1) {
1112: $table .= '<tr>'.
1113: '<td>'.$conceptindex.'</td>'.
1114: '<td>'.$concept->{'name'}.'</td>'.
1115: '<td>'.$foilindex++.'</td>'.
1116: '<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'.
1117: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1118: '<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'.
1119: "</tr>\n";
1120: } else {
1121: $table .= '<tr>'.
1122: '<td>'.$foilindex++.'</td>'.
1123: '<td>'.$Foildata{$firstfoil}->{'name'}.'</td>'.
1124: '<td>'.$Foildata{$firstfoil}->{'text'}.'</td>'.
1125: '<td>'.$Foildata{$firstfoil}->{'value'}.'</td>'.
1126: "</tr>\n";
1127: }
1128: foreach my $foilid (@FoilsInConcept) {
1129: if (@Concepts > 1) {
1130: $table .= '<tr>'.
1131: '<td></td>'.
1132: '<td></td>'.
1133: '<td>'.$foilindex.'</td>'.
1134: '<td>'.$Foildata{$foilid}->{'name'}.'</td>'.
1135: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1136: '<td>'.$Foildata{$foilid}->{'value'}.'</td>'.
1137: "</tr>\n";
1138: } else {
1139: $table .= '<tr>'.
1140: '<td>'.$foilindex.'</td>'.
1141: '<td>'.$Foildata{$foilid}->{'name'}.'</td>'.
1142: '<td>'.$Foildata{$foilid}->{'text'}.'</td>'.
1143: '<td>'.$Foildata{$foilid}->{'value'}.'</td>'.
1144: "</tr>\n";
1145: }
1146: } continue {
1147: $foilindex++;
1148: }
1149: } continue {
1150: $conceptindex++;
1151: }
1152: $table .= "</table>\n";
1153: #
1154: # Build option index with color stuff
1155: return ($table,\@Foils,\@Concepts);
1156: }
1157:
1158: sub build_option_index {
1159: my ($ORdata)= @_;
1160: my $table = "<table>\n";
1161: my $optionindex = 0;
1162: my @Rows;
1163: foreach my $option (&mt('correct option chosen'),@{$ORdata->{'Options'}}) {
1164: push (@Rows,
1165: '<tr>'.
1166: '<td bgcolor="'.$plotcolors->[$optionindex++].'">'.
1167: (' 'x4).'</td>'.
1168: '<td>'.$option.'</td>'.
1169: "</tr>\n");
1170: }
1171: shift(@Rows); # Throw away 'correct option chosen' color
1172: $table .= join('',reverse(@Rows));
1173: $table .= "</table>\n";
1174: }
1175:
1176: #########################################################
1177: #########################################################
1178: ##
1179: ## Generic Interface Routines
1180: ##
1181: #########################################################
1182: #########################################################
1183: sub CreateInterface {
1184: ##
1185: ## Environment variable initialization
1186: if (! exists$ENV{'form.AnalyzeOver'}) {
1187: $ENV{'form.AnalyzeOver'} = 'Tries';
1188: }
1189: ##
1190: ## Build the menu
1191: my $Str = '';
1192: $Str .= '<table cellspacing="5">'."\n";
1193: $Str .= '<tr>';
1194: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
1195: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
1196: # $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
1197: $Str .= '<td align="center"> </td>';
1198: $Str .= '</tr>'."\n";
1199: ##
1200: ##
1201: $Str .= '<tr><td align="center">'."\n";
1202: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
1203: $Str .= '</td>';
1204: #
1205: $Str .= '<td align="center">';
1206: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
1207: $Str .= '</td>';
1208: #
1209: # $Str .= '<td align="center">';
1210: my $only_seq_with_assessments = sub {
1211: my $s=shift;
1212: if ($s->{'num_assess'} < 1) {
1213: return 0;
1214: } else {
1215: return 1;
1216: }
1217: };
1218: &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
1219: $only_seq_with_assessments);
1220: ##
1221: ##
1222: $Str .= '<td>';
1223: { # These braces are here to organize the code, not scope it.
1224: {
1225: $Str .= '<nobr>'.&mt('Analyze Over ');
1226: $Str .='<select name="AnalyzeOver" >';
1227: $Str .= '<option value="Tries" ';
1228: if (! exists($ENV{'form.AnalyzeOver'}) ||
1229: $ENV{'form.AnalyzeOver'} eq 'Tries'){
1230: # Default to Tries
1231: $Str .= ' selected ';
1232: }
1233: $Str .= '>'.&mt('Tries').'</option>';
1234: $Str .= '<option value="Time" ';
1235: $Str .= ' selected ' if ($ENV{'form.AnalyzeOver'} eq 'Time');
1236: $Str .= '>'.&mt('Time').'</option>';
1237: $Str .= '</select></nobr><br />';
1238: }
1239: {
1240: $Str .= '<nobr>'.&mt('Analyze as ');
1241: $Str .='<select name="AnalyzeAs" >';
1242: $Str .= '<option value="Concepts" ';
1243: if (! exists($ENV{'form.AnalyzeAs'}) ||
1244: $ENV{'form.AnalyzeAs'} eq 'Concepts'){
1245: # Default to Concepts
1246: $Str .= ' selected ';
1247: }
1248: $Str .= '>'.&mt('Concepts').'</option>';
1249: $Str .= '<option value="Foils" ';
1250: $Str .= ' selected ' if ($ENV{'form.AnalyzeAs'} eq 'Foils');
1251: $Str .= '>'.&mt('Foils').'</option>';
1252: $Str .= '</select></nobr><br />';
1253: }
1254: {
1255: $Str .= '<br /><nobr>'.&mt('Number of Plots:');
1256: $Str .= '<select name="NumPlots">';
1257: if (! exists($ENV{'form.NumPlots'})
1258: || $ENV{'form.NumPlots'} < 1
1259: || $ENV{'form.NumPlots'} > 20) {
1260: $ENV{'form.NumPlots'} = 5;
1261: }
1262: foreach my $i (1,2,3,4,5,6,7,8,10,15,20) {
1263: $Str .= '<option value="'.$i.'" ';
1264: if ($ENV{'form.NumPlots'} == $i) { $Str.=' selected '; }
1265: $Str .= '>'.$i.'</option>';
1266: }
1267: $Str .= '</select></nobr>';
1268: }
1269: }
1270: $Str .= '</td>';
1271: ##
1272: ##
1273: $Str .= '</tr>'."\n";
1274: $Str .= '</table>'."\n";
1275: return $Str;
1276: }
1277:
1278: sub ProblemSelector {
1279: my $Str;
1280: $Str = "\n<table>\n";
1281: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1282: next if ($seq->{'num_assess'}<1);
1283: my $seq_str = '';
1284: foreach my $res (@{$seq->{'contents'}}) {
1285: next if ($res->{'type'} ne 'assessment');
1286: foreach my $part (@{$res->{'parts'}}) {
1287: my $partdata = $res->{'partdata'}->{$part};
1288: # &Apache::lonnet::logthis('----------------');
1289: # while (my ($k,$v)=each(%$partdata)) {
1290: # if (ref($v) eq 'ARRAY') {
1291: # &Apache::lonnet::logthis($k.' = '.join(',',@$v));
1292: # } else {
1293: # &Apache::lonnet::logthis($k.' = '.$v);
1294: # }
1295: # }
1296: if ((! exists($partdata->{'option'}) ||
1297: $partdata->{'option'} == 0 ) &&
1298: (! exists($partdata->{'radiobutton'}) ||
1299: $partdata->{'radiobutton'} == 0)) {
1300: next;
1301: }
1302: for (my $i=0;$i<scalar(@{$partdata->{'ResponseTypes'}});$i++){
1303: my $respid = $partdata->{'ResponseIds'}->[$i];
1304: my $resptype = $partdata->{'ResponseTypes'}->[$i];
1305: if ($resptype eq 'option' || $resptype eq 'radiobutton') {
1306: my $value = &Apache::lonnet::escape($res->{'symb'}.':'.$part.':'.$respid.':'.$resptype);
1307: my $checked = '';
1308: if ($ENV{'form.problemchoice'} eq $value) {
1309: $checked = 'checked ';
1310: }
1311: $seq_str .= '<tr><td>'.
1312: '<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'.
1313: '</td><td>'.
1314: '<a href="'.$res->{'src'}.'">'.$resptype.' '.$res->{'title'}.'</a> ';
1315: if ($partdata->{'option'} > 1) {
1316: $seq_str .= &mt('response').' '.$respid;
1317: }
1318: $seq_str .= "</td></tr>\n";
1319: }
1320: }
1321: }
1322: }
1323: if ($seq_str ne '') {
1324: $Str .= '<tr><td> </td><td><b>'.$seq->{'title'}.'</b></td>'.
1325: "</tr>\n".$seq_str;
1326: }
1327: }
1328: $Str .= "</table>\n";
1329: return $Str;
1330: }
1331:
1332: #########################################################
1333: #########################################################
1334: ##
1335: ## Misc functions
1336: ##
1337: #########################################################
1338: #########################################################
1339: sub get_problem_symb {
1340: my $problemstring = shift();
1341: my ($symb,$partid,$resid,$resptype) =
1342: ($problemstring=~ /^(.*):([^:]*):([^:]*):([^:]*)$/);
1343: return ($symb,$partid,$resid,$resptype);
1344: }
1345:
1346: sub get_resource_from_symb {
1347: my ($symb) = @_;
1348: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1349: foreach my $res (@{$seq->{'contents'}}) {
1350: if ($res->{'symb'} eq $symb) {
1351: return $res;
1352: }
1353: }
1354: }
1355: return undef;
1356: }
1357:
1358:
1359: #########################################################
1360: #########################################################
1361: ##
1362: ## Misc Option Response functions
1363: ##
1364: #########################################################
1365: #########################################################
1366: sub get_time_from_row {
1367: my ($row) = @_;
1368: if (ref($row)) {
1369: return $row->[&Apache::loncoursedata::RD_timestamp()];
1370: }
1371: return undef;
1372: }
1373:
1374: sub get_tries_from_row {
1375: my ($row) = @_;
1376: if (ref($row)) {
1377: return $row->[&Apache::loncoursedata::RD_tries()];
1378: }
1379: return undef;
1380: }
1381:
1382: sub Process_OR_Row {
1383: my ($row) = @_;
1384: my %RowData;
1385: my $student_id = $row->[&Apache::loncoursedata::RD_student_id()];
1386: my $award = $row->[&Apache::loncoursedata::RD_awarddetail()];
1387: my $grading = $row->[&Apache::loncoursedata::RD_response_eval()];
1388: my $submission = $row->[&Apache::loncoursedata::RD_submission()];
1389: my $time = $row->[&Apache::loncoursedata::RD_timestamp()];
1390: my $tries = $row->[&Apache::loncoursedata::RD_tries()];
1391: return undef if ($award eq 'MISSING_ANSWER');
1392: if ($award =~ /(APPROX_ANS|EXACT_ANS)/) {
1393: $RowData{'_correct'} = 1;
1394: }
1395: $RowData{'_total'} = 1;
1396: my @Foilgrades = split('&',$grading);
1397: my @Foilsubs = split('&',$submission);
1398: for (my $j=0;$j<=$#Foilgrades;$j++) {
1399: my ($foilid,$correct) = split('=',$Foilgrades[$j]);
1400: my (undef,$submission) = split('=',$Foilsubs[$j]);
1401: if ($correct) {
1402: $RowData{$foilid}->{'_correct'}++;
1403: } else {
1404: $submission = &Apache::lonnet::unescape($submission);
1405: $RowData{$foilid}->{$submission}++;
1406: }
1407: $RowData{$foilid}->{'_total'}++;
1408: }
1409: return %RowData;
1410: }
1411:
1412: ##
1413: ## get problem data and put it into a useful data structure.
1414: ## note: we must force each foil and option to not begin or end with
1415: ## spaces as they are stored without such data.
1416: ##
1417: sub get_OR_problem_data {
1418: my ($url) = @_;
1419: my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze'));
1420: (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2);
1421: my %Answer;
1422: %Answer=&Apache::lonnet::str2hash($Answ);
1423: my %Partdata;
1424: foreach my $part (@{$Answer{'parts'}}) {
1425: while (my($key,$value) = each(%Answer)) {
1426: next if ($key !~ /^$part/);
1427: $key =~ s/^$part\.//;
1428: if (ref($value) eq 'ARRAY') {
1429: if ($key eq 'options') {
1430: $Partdata{$part}->{'Options'}=$value;
1431: } elsif ($key eq 'concepts') {
1432: $Partdata{$part}->{'Concepts'}=$value;
1433: } elsif ($key =~ /^concept\.(.*)$/) {
1434: my $concept = $1;
1435: foreach my $foil (@$value) {
1436: $Partdata{$part}->{'Foils'}->{$foil}->{'Concept'}=
1437: $concept;
1438: }
1439: }
1440: } else {
1441: if ($key=~ /^foil\.text\.(.*)$/) {
1442: my $foil = $1;
1443: $Partdata{$part}->{'Foils'}->{$foil}->{'name'}=$foil;
1444: $value =~ s/(\s*$|^\s*)//g;
1445: $Partdata{$part}->{'Foils'}->{$foil}->{'text'}=$value;
1446: } elsif ($key =~ /^foil\.value\.(.*)$/) {
1447: my $foil = $1;
1448: $Partdata{$part}->{'Foils'}->{$foil}->{'value'}=$value;
1449: }
1450: }
1451: }
1452: }
1453: return %Partdata;
1454: }
1455:
1456: #########################################################
1457: #########################################################
1458: ##
1459: ## Misc Radio Response functions
1460: ##
1461: #########################################################
1462: #########################################################
1463: sub get_Radio_problem_student_data {
1464: my ($row) = @_;
1465: }
1466:
1467: sub get_Radio_problem_data {
1468: my ($url) = @_;
1469: my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze'));
1470: (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2);
1471: my %Answer;
1472: %Answer=&Apache::lonnet::str2hash($Answ);
1473: my %Partdata;
1474: &Apache::lonnet::logthis('url = '.$url);
1475: foreach my $part (@{$Answer{'parts'}}) {
1476: while (my($key,$value) = each(%Answer)) {
1477: if (ref($value) eq 'ARRAY') {
1478: &Apache::lonnet::logthis('is ref part:'.$part.' '.$key.'='.join(',',@$value));
1479: } else {
1480: &Apache::lonnet::logthis('notref part:'.$part.' '.$key.'='.$value);
1481: }
1482: next if ($key !~ /^$part/);
1483: $key =~ s/^$part\.//;
1484: if ($key eq 'foils') {
1485: $Partdata{$part}->{'_Foils'}=$value;
1486: } elsif ($key eq 'options') {
1487: $Partdata{$part}->{'_Options'}=$value;
1488: } elsif ($key eq 'shown') {
1489: $Partdata{$part}->{'_Shown'}=$value;
1490: } elsif ($key =~ /^foil.value.(.*)$/) {
1491: $Partdata{$part}->{$1}->{'value'}=$value;
1492: } elsif ($key =~ /^foil.text.(.*)$/) {
1493: $Partdata{$part}->{$1}->{'text'}=$value;
1494: }
1495: }
1496: }
1497: return %Partdata;
1498: }
1499:
1500: 1;
1501:
1502: __END__
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