1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.81.2.3 2004/04/06 21:42:26 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: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26: # (Navigate problems for statistical reports
27: #
28: #######################################################
29: #######################################################
30:
31: =pod
32:
33: =head1 NAME
34:
35: lonstudentassessment
36:
37: =head1 SYNOPSIS
38:
39: Presents assessment data about a student or a group of students.
40:
41: =head1 Subroutines
42:
43: =over 4
44:
45: =cut
46:
47: #######################################################
48: #######################################################
49:
50: package Apache::lonstudentassessment;
51:
52: use strict;
53: use Apache::lonstatistics;
54: use Apache::lonhtmlcommon;
55: use Apache::loncommon();
56: use Apache::loncoursedata;
57: use Apache::lonnet; # for logging porpoises
58: use Apache::lonlocal;
59: use Spreadsheet::WriteExcel;
60: use Spreadsheet::WriteExcel::Utility();
61:
62: #######################################################
63: #######################################################
64: =pod
65:
66: =item Package Variables
67:
68: =over 4
69:
70: =item $Statistics Hash ref to store student data. Indexed by symb,
71: contains hashes with keys 'score' and 'max'.
72:
73: =cut
74:
75: #######################################################
76: #######################################################
77:
78: my $Statistics;
79:
80: #######################################################
81: #######################################################
82:
83: =pod
84:
85: =item $show_links 'yes' or 'no' for linking to student performance data
86:
87: =item $output_mode 'html', 'excel', or 'csv' for output mode
88:
89: =item $show 'all', 'totals', or 'scores' determines how much data is output
90:
91: =item $data determines what performance data is shown
92:
93: =item $datadescription A short description of the output data selected.
94:
95: =item $base 'tries' or 'scores' determines the base of the performance shown
96:
97: =item $single_student_mode evaluates to true if we are showing only one
98: student.
99:
100: =cut
101:
102: #######################################################
103: #######################################################
104: my $show_links;
105: my $output_mode;
106: my $data;
107: my $base;
108: my $datadescription;
109: my $single_student_mode;
110:
111: #######################################################
112: #######################################################
113: # End of package variable declarations
114:
115: =pod
116:
117: =back
118:
119: =cut
120:
121: #######################################################
122: #######################################################
123:
124: =pod
125:
126: =item &BuildStudentAssessmentPage()
127:
128: Inputs:
129:
130: =over 4
131:
132: =item $r Apache Request
133:
134: =item $c Apache Connection
135:
136: =back
137:
138: =cut
139:
140: #######################################################
141: #######################################################
142: sub BuildStudentAssessmentPage {
143: my ($r,$c)=@_;
144: #
145: undef($Statistics);
146: undef($show_links);
147: undef($output_mode);
148: undef($data);
149: undef($base);
150: undef($datadescription);
151: undef($single_student_mode);
152: #
153: my %Saveable_Parameters = ('Status' => 'scalar',
154: 'chartoutputmode' => 'scalar',
155: 'chartoutputdata' => 'scalar',
156: 'Section' => 'array',
157: 'StudentData' => 'array',
158: 'Maps' => 'array');
159: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
160: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
161: #
162: &Apache::lonstatistics::PrepareClasslist();
163: #
164: $single_student_mode = 0;
165: $single_student_mode = 1 if ($ENV{'form.SelectedStudent'});
166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
167: ['selectstudent']);
168: if ($ENV{'form.selectstudent'}) {
169: &Apache::lonstatistics::DisplayClasslist($r);
170: return;
171: }
172: #
173: # Print out the HTML headers for the interface
174: # This also parses the output mode selector
175: # This step must *always* be done.
176: $r->print(&CreateInterface());
177: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
178: $r->print('<input type="hidden" name="sort" value="'.
179: $ENV{'form.sort'}.'" />');
180: $r->rflush();
181: #
182: if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) {
183: return;
184: }
185: #
186: my $initialize = \&html_initialize;
187: my $output_student = \&html_outputstudent;
188: my $finish = \&html_finish;
189: #
190: if ($output_mode eq 'excel') {
191: $initialize = \&excel_initialize;
192: $output_student = \&excel_outputstudent;
193: $finish = \&excel_finish;
194: } elsif ($output_mode eq 'csv') {
195: $initialize = \&csv_initialize;
196: $output_student = \&csv_outputstudent;
197: $finish = \&csv_finish;
198: }
199: #
200: if($c->aborted()) { return ; }
201: #
202: # Determine which students we want to look at
203: my @Students;
204: if ($single_student_mode) {
205: @Students = (&Apache::lonstatistics::current_student());
206: $r->print(&next_and_previous_buttons());
207: $r->rflush();
208: } else {
209: @Students = @Apache::lonstatistics::Students;
210: }
211: #
212: # Perform generic initialization tasks
213: # Since we use lonnet::EXT to retrieve problem weights,
214: # to ensure current data we must clear the caches out.
215: # This makes sure that parameter changes at the student level
216: # are immediately reflected in the chart.
217: &Apache::lonnet::clear_EXT_cache_status();
218: #
219: # Clean out loncoursedata's package data, just to be safe.
220: &Apache::loncoursedata::clear_internal_caches();
221: #
222: # Call the initialize routine selected above
223: $initialize->($r);
224: foreach my $student (@Students) {
225: if($c->aborted()) {
226: $finish->($r);
227: return ;
228: }
229: # Call the output_student routine selected above
230: $output_student->($r,$student);
231: }
232: # Call the "finish" routine selected above
233: $finish->($r);
234: #
235: return;
236: }
237:
238: #######################################################
239: #######################################################
240: sub next_and_previous_buttons {
241: my $Str = '';
242: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
243: $ENV{'form.SelectedStudent'}.'" />';
244: #
245: # Build the previous student link
246: my $previous = &Apache::lonstatistics::previous_student();
247: my $previousbutton = '';
248: if (defined($previous)) {
249: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
250: $previousbutton .= '<input type="button" value="'.
251: 'Previous Student ('.
252: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
253: '" onclick="document.Statistics.SelectedStudent.value='.
254: "'".$sname."'".';'.
255: 'document.Statistics.submit();" />';
256: } else {
257: $previousbutton .= '<input type="button" value="'.
258: 'Previous student (none)'.'" />';
259: }
260: #
261: # Build the next student link
262: my $next = &Apache::lonstatistics::next_student();
263: my $nextbutton = '';
264: if (defined($next)) {
265: my $sname = $next->{'username'}.':'.$next->{'domain'};
266: $nextbutton .= '<input type="button" value="'.
267: 'Next Student ('.
268: $next->{'username'}.'@'.$next->{'domain'}.')'.
269: '" onclick="document.Statistics.SelectedStudent.value='.
270: "'".$sname."'".';'.
271: 'document.Statistics.submit();" />';
272: } else {
273: $nextbutton .= '<input type="button" value="'.
274: 'Next student (none)'.'" />';
275: }
276: #
277: # Build the 'all students' button
278: my $all = '';
279: $all .= '<input type="button" value="All Students" '.
280: '" onclick="document.Statistics.SelectedStudent.value='.
281: "''".';'.'document.Statistics.submit();" />';
282: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
283: return $Str;
284: }
285:
286: #######################################################
287: #######################################################
288:
289: sub get_student_fields_to_show {
290: my @to_show = @Apache::lonstatistics::SelectedStudentData;
291: foreach (@to_show) {
292: if ($_ eq 'all') {
293: @to_show = @Apache::lonstatistics::StudentDataOrder;
294: last;
295: }
296: }
297: return @to_show;
298: }
299:
300: #######################################################
301: #######################################################
302:
303: =pod
304:
305: =item &CreateInterface()
306:
307: Called by &BuildStudentAssessmentPage to create the top part of the
308: page which displays the chart.
309:
310: Inputs: None
311:
312: Returns: A string containing the HTML for the headers and top table for
313: the chart page.
314:
315: =cut
316:
317: #######################################################
318: #######################################################
319: sub CreateInterface {
320: my $Str = '';
321: # $Str .= &CreateLegend();
322: $Str .= '<table cellspacing="5">'."\n";
323: $Str .= '<tr>';
324: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
325: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
326: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
327: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
328: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
329: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
330: '</td>';
331: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
332: &Apache::loncommon::help_open_topic("Chart_Output_Data").
333: '</td>';
334: $Str .= '</tr>'."\n";
335: #
336: $Str .= '<tr><td align="center">'."\n";
337: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
338: $Str .= '</td><td align="center">';
339: my $only_seq_with_assessments = sub {
340: my $s=shift;
341: if ($s->{'num_assess'} < 1) {
342: return 0;
343: } else {
344: return 1;
345: }
346: };
347: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
348: 5,undef);
349: $Str .= '</td><td>'."\n";
350: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
351: $Str .= '</td><td>'."\n";
352: $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
353: $only_seq_with_assessments);
354: $Str .= '</td><td>'."\n";
355: $Str .= &CreateAndParseOutputSelector();
356: $Str .= '</td><td>'."\n";
357: $Str .= &CreateAndParseOutputDataSelector();
358: $Str .= '</td></tr>'."\n";
359: $Str .= '</table>'."\n";
360: $Str .= '<input type="submit" name="Generate Chart" value="'.
361: &mt('Generate Chart').'" />';
362: $Str .= ' 'x5;
363: $Str .= '<input type="submit" name="selectstudent" value="'.
364: &mt('Select One Student').'" />';
365: $Str .= ' 'x5;
366: $Str .= '<input type="submit" name="ClearCache" value="'.
367: &mt('Clear Caches').'" />';
368: $Str .= ' 'x5;
369: $Str .= '<br />';
370: return $Str;
371: }
372:
373: #######################################################
374: #######################################################
375:
376: =pod
377:
378: =item &CreateAndParseOutputSelector()
379:
380: =cut
381:
382: #######################################################
383: #######################################################
384: my @OutputOptions =
385: ({ name => 'HTML, with links',
386: value => 'html, with links',
387: description => 'Output HTML with each symbol linked to the problem '.
388: 'which generated it.',
389: mode => 'html',
390: show_links => 'yes',
391: },
392: { name => 'HTML, with all links',
393: value => 'html, with all links',
394: description => 'Output HTML with each symbol linked to the problem '.
395: 'which generated it. '.
396: 'This includes links for unattempted problems.',
397: mode => 'html',
398: show_links => 'all',
399: },
400: { name => 'HTML, without links',
401: value => 'html, without links',
402: description => 'Output HTML. By not including links, the size of the'.
403: ' web page is greatly reduced. If your browser crashes on the '.
404: 'full display, try this.',
405: mode => 'html',
406: show_links => 'no',
407: },
408: { name => 'Excel',
409: value => 'excel',
410: description => 'Output an Excel file (compatable with Excel 95).',
411: mode => 'excel',
412: show_links => 'no',
413: },
414: { name => 'CSV',
415: value => 'csv',
416: description => 'Output a comma seperated values file suitable for '.
417: 'import into a spreadsheet program. Using this method as opposed '.
418: 'to Excel output allows you to organize your data before importing'.
419: ' it into a spreadsheet program.',
420: mode => 'csv',
421: show_links => 'no',
422: },
423: );
424:
425: sub OutputDescriptions {
426: my $Str = '';
427: $Str .= "<h2>Output Formats</h2>\n";
428: $Str .= "<dl>\n";
429: foreach my $outputmode (@OutputOptions) {
430: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
431: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
432: }
433: $Str .= "</dl>\n";
434: return $Str;
435: }
436:
437: sub CreateAndParseOutputSelector {
438: my $Str = '';
439: my $elementname = 'chartoutputmode';
440: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
441: [$elementname]);
442: #
443: # Format for output options is 'mode, restrictions';
444: my $selected = 'html, without links';
445: if (exists($ENV{'form.'.$elementname})) {
446: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
447: $selected = $ENV{'form.'.$elementname}->[0];
448: } else {
449: $selected = $ENV{'form.'.$elementname};
450: }
451: }
452: #
453: # Set package variables describing output mode
454: $show_links = 'no';
455: $output_mode = 'html';
456: foreach my $option (@OutputOptions) {
457: next if ($option->{'value'} ne $selected);
458: $output_mode = $option->{'mode'};
459: $show_links = $option->{'show_links'};
460: }
461:
462: #
463: # Build the form element
464: $Str = qq/<select size="5" name="$elementname">/;
465: foreach my $option (@OutputOptions) {
466: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
467: $Str .= " selected " if ($option->{'value'} eq $selected);
468: $Str .= ">".&mt($option->{'name'})."<\/option>";
469: }
470: $Str .= "\n</select>";
471: return $Str;
472: }
473:
474: ##
475: ## Data selector stuff
476: ##
477: my @OutputDataOptions =
478: (
479: { name => 'Scores Summary',
480: base => 'scores',
481: value => 'sum and total',
482: shortdesc => 'Total Score and Maximum Possible for each '.
483: 'Sequence or Folder',
484: longdesc => 'The score of each student as well as the '.
485: ' maximum possible on each Sequence or Folder.',
486: },
487: { name => 'Scores Per Problem',
488: base => 'scores',
489: value => 'scores',
490: shortdesc => 'Score on each Problem Part',
491: longdesc =>'The students score on each problem part, computed as'.
492: 'the part weight * part awarded',
493: },
494: # { name => 'Scores Sum',
495: # base => 'scores',
496: # value => 'sum only',
497: # shortdesc => 'Sum of Scores on each Problem Part',
498: # longdesc =>'The total of the scores of the student on each problem'.
499: # ' part in the sequences or folders selected.',
500: # },
501: # { name => 'Scores Summary Table Only',
502: # base => 'scores',
503: # value => 'final table scores',
504: # shortdesc => 'Summary of Scores',
505: # longdesc => 'The average score on each sequence or folder for the '.
506: # 'selected students.',
507: # },
508: { name =>'Tries',
509: base =>'tries',
510: value => 'tries',
511: shortdesc => 'Number of Tries before success on each Problem Part',
512: longdesc =>'The number of tries before success on each problem part.',
513: },
514: { name =>'Parts Correct',
515: base =>'tries',
516: value => 'parts correct total',
517: shortdesc => 'Number of Problem Parts completed successfully.',
518: longdesc => 'The Number of Problem Parts completed successfully and '.
519: 'the maximum possible for each student',
520: },
521: # { name =>'Parts Correct',
522: # base =>'tries',
523: # value => 'parts correct',
524: # shortdesc => 'Number of Problem Parts completed successfully.',
525: # longdesc => 'The Number of Problem Parts completed successfully'.
526: # ' on each sequence or folder.',
527: # },
528: # { name => 'Parts Summary Table Only',
529: # base => 'tries',
530: # value => 'final table parts',
531: # shortdesc => 'Summary of Parts Correct',
532: # longdesc => 'A summary table of the average number of problem parts '.
533: # 'students were able to get correct on each sequence.',
534: # },
535: );
536:
537: sub HTMLifyOutputDataDescriptions {
538: my $Str = '';
539: $Str .= "<h2>Output Data</h2>\n";
540: $Str .= "<dl>\n";
541: foreach my $option (@OutputDataOptions) {
542: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
543: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
544: }
545: $Str .= "</dl>\n";
546: return $Str;
547: }
548:
549: sub CreateAndParseOutputDataSelector {
550: my $Str = '';
551: my $elementname = 'chartoutputdata';
552: #
553: my $selected = 'scores';
554: if (exists($ENV{'form.'.$elementname})) {
555: if (ref($ENV{'form.'.$elementname} eq 'ARRAY')) {
556: $selected = $ENV{'form.'.$elementname}->[0];
557: } else {
558: $selected = $ENV{'form.'.$elementname};
559: }
560: }
561: #
562: $data = 'scores';
563: foreach my $option (@OutputDataOptions) {
564: if ($option->{'value'} eq $selected) {
565: $data = $option->{'value'};
566: $base = $option->{'base'};
567: $datadescription = $option->{'shortdesc'};
568: }
569: }
570: #
571: # Build the form element
572: $Str = qq/<select size="5" name="$elementname">/;
573: foreach my $option (@OutputDataOptions) {
574: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
575: $Str .= " selected " if ($option->{'value'} eq $data);
576: $Str .= ">".&mt($option->{'name'})."<\/option>";
577: }
578: $Str .= "\n</select>";
579: return $Str;
580:
581: }
582:
583: #######################################################
584: #######################################################
585:
586: =pod
587:
588: =head2 HTML output routines
589:
590: =item &html_initialize($r)
591:
592: Create labels for the columns of student data to show.
593:
594: =item &html_outputstudent($r,$student)
595:
596: Return a line of the chart for a student.
597:
598: =item &html_finish($r)
599:
600: =cut
601:
602: #######################################################
603: #######################################################
604: {
605: my $padding;
606: my $count;
607:
608: my $nodata_count; # The number of students for which there is no data
609: my %prog_state; # progress state used by loncommon PrgWin routines
610:
611: sub html_initialize {
612: my ($r) = @_;
613: #
614: $padding = ' 'x3;
615: $count = 0;
616: $nodata_count = 0;
617: undef(%prog_state);
618: #
619: $r->print("<h3>".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
620: " ".localtime(time)."</h3>");
621:
622: if ($data !~ /^final table/) {
623: $r->print("<h3>".$datadescription."</h3>");
624: }
625: #
626: # Set up progress window for 'final table' display only
627: if ($data =~ /^final table/) {
628: my $studentcount = scalar(@Apache::lonstatistics::Students);
629: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
630: ($r,'Summary Table Status',
631: 'Summary Table Compilation Progress', $studentcount);
632: }
633: my $Str = "<pre>\n";
634: # First, the @StudentData fields need to be listed
635: my @to_show = &get_student_fields_to_show();
636: foreach my $field (@to_show) {
637: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
638: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
639: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
640: $Str .= $title.' 'x($width-$base).$padding;
641: }
642: # Now the selected sequences need to be listed
643: foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){
644: my $title = $sequence->{'title'};
645: my $base = $sequence->{'base_width'};
646: my $width = $sequence->{'width'};
647: $Str .= $title.' 'x($width-$base).$padding;
648: }
649: $Str .= "total</pre>\n";
650: $Str .= "<pre>";
651: #
652: # Check for suppression of output
653: if ($data =~ /^final table/) {
654: $Str = '';
655: }
656: $r->print($Str);
657: $r->rflush();
658: return;
659: }
660:
661: sub html_outputstudent {
662: my ($r,$student) = @_;
663: my $Str = '';
664: #
665: if($count++ % 5 == 0 && $count > 0 && $data !~ /^final table/) {
666: $r->print("</pre><pre>");
667: }
668: # First, the @StudentData fields need to be listed
669: my @to_show = &get_student_fields_to_show();
670: foreach my $field (@to_show) {
671: my $title=$student->{$field};
672: my $base = length($title);
673: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
674: $Str .= $title.' 'x($width-$base).$padding;
675: }
676: # Get ALL the students data
677: my %StudentsData;
678: my @tmp = &Apache::loncoursedata::get_current_state
679: ($student->{'username'},$student->{'domain'},undef,
680: $ENV{'request.course.id'});
681: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
682: %StudentsData = @tmp;
683: }
684: if (scalar(@tmp) < 1) {
685: $nodata_count++;
686: return if ($data =~ /^final table/);
687: $Str .= '<font color="blue">No Course Data</font>'."\n";
688: $r->print($Str);
689: $r->rflush();
690: return;
691: }
692: #
693: # By sequence build up the data
694: my $studentstats;
695: my $PerformanceStr = '';
696: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
697: my ($performance,$performance_length,$score,$seq_max,$rawdata);
698: if ($base eq 'tries') {
699: ($performance,$performance_length,$score,$seq_max,$rawdata) =
700: &StudentTriesOnSequence($student,\%StudentsData,
701: $seq,$show_links);
702: } else {
703: ($performance,$performance_length,$score,$seq_max,$rawdata) =
704: &StudentPerformanceOnSequence($student,\%StudentsData,
705: $seq,$show_links);
706: }
707: my $ratio = sprintf("%3d",$score).'/'.sprintf("%3d",$seq_max);
708: #
709: if ($data eq 'sum and total' || $data eq 'parts correct total') {
710: $performance = $ratio;
711: $performance .= ' 'x($seq->{'width'}-length($ratio));
712: } elsif ($data eq 'sum only' || $data eq 'parts correct') {
713: $performance = $score;
714: $performance .= ' 'x($seq->{'width'}-length($score));
715: } else {
716: # Pad with extra spaces
717: $performance .= ' 'x($seq->{'width'}-$performance_length-
718: length($ratio)
719: ).$ratio;
720: }
721: #
722: $Str .= $performance.$padding;
723: #
724: $studentstats->{$seq->{'symb'}}->{'score'}= $score;
725: $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max;
726: }
727: #
728: # Total it up and store the statistics info.
729: my ($score,$max) = (0,0);
730: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
731: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
732: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
733: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
734: }
735: $score += $seq_stats->{'score'};
736: $max += $seq_stats->{'max'};
737: }
738: $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max;
739: $Str .= " \n";
740: #
741: # Check for suppressed output and update the progress window if so...
742: if ($data =~ /^final table/) {
743: $Str = '';
744: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
745: 'last student');
746: }
747: #
748: $r->print($Str);
749: #
750: $r->rflush();
751: return;
752: }
753:
754: sub html_finish {
755: my ($r) = @_;
756: #
757: # Check for suppressed output and close the progress window if so
758: if ($data =~ /^final table/) {
759: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
760: } else {
761: $r->print("</pre>\n");
762: }
763: if ($single_student_mode) {
764: $r->print(&SingleStudentTotal());
765: } else {
766: $r->print(&StudentAverageTotal());
767: }
768: $r->rflush();
769: return;
770: }
771:
772: sub StudentAverageTotal {
773: my $Str = "<h3>Summary Tables</h3>\n";
774: my $num_students = scalar(@Apache::lonstatistics::Students);
775: my $total_ave = 0;
776: my $total_max = 0;
777: $Str .= '<table border=2 cellspacing="1">'."\n";
778: $Str .= "<tr><th>Title</th><th>Average</th><th>Maximum</th></tr>\n";
779: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
780: my $ave;
781: if ($num_students > $nodata_count) {
782: $ave = int(100*($Statistics->{$seq->{'symb'}}->{'score'}/
783: ($num_students-$nodata_count)))/100;
784: } else {
785: $ave = 0;
786: }
787: $total_ave += $ave;
788: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
789: $total_max += $max;
790: if ($ave == 0) {
791: $ave = "0.00";
792: }
793: $ave .= ' ';
794: $max .= ' ';
795: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
796: '<td align="right">'.$ave.'</td>'.
797: '<td align="right">'.$max.'</td></tr>'."\n";
798: }
799: $total_ave = int(100*$total_ave)/100; # only two digit
800: $Str .= "</table>\n";
801: $Str .= '<table border=2 cellspacing="1">'."\n";
802: $Str .= '<tr><th>Number of Students</th><th>Average</th>'.
803: "<th>Maximum</th></tr>\n";
804: $Str .= '<tr><td>'.($num_students-$nodata_count).'</td>'.
805: '<td>'.$total_ave.'</td><td>'.$total_max.'</td>';
806: $Str .= "</table>\n";
807: return $Str;
808: }
809:
810: sub SingleStudentTotal {
811: my $student = &Apache::lonstatistics::current_student();
812: my $Str = "<h3>Summary table for ".$student->{'fullname'}." ".
813: $student->{'username'}.'@'.$student->{'domain'}."</h3>\n";
814: $Str .= '<table border=2 cellspacing="1">'."\n";
815: $Str .=
816: "<tr><th>Sequence or Folder</th><th>Score</th><th>Maximum</th></tr>\n";
817: my $total = 0;
818: my $total_max = 0;
819: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
820: my $value = $Statistics->{$seq->{'symb'}}->{'score'};
821: my $max = $Statistics->{$seq->{'symb'}}->{'max'};
822: $Str .= '<tr><td>'.$seq->{'title'}.'</td>'.
823: '<td align="right">'.$value.'</td>'.
824: '<td align="right">'.$max.'</td></tr>'."\n";
825: $total += $value;
826: $total_max +=$max;
827: }
828: $Str .= '<tr><td><b>Total</b></td>'.
829: '<td align="right">'.$total.'</td>'.
830: '<td align="right">'.$total_max."</td></tr>\n";
831: $Str .= "</table>\n";
832: return $Str;
833: }
834:
835: }
836:
837: #######################################################
838: #######################################################
839:
840: =pod
841:
842: =head2 EXCEL subroutines
843:
844: =item &excel_initialize($r)
845:
846: =item &excel_outputstudent($r,$student)
847:
848: =item &excel_finish($r)
849:
850: =cut
851:
852: #######################################################
853: #######################################################
854: {
855:
856: my $excel_sheet;
857: my $excel_workbook;
858:
859: my $filename;
860: my $rows_output;
861: my $cols_output;
862:
863: my %prog_state; # progress window state
864: my $request_aborted;
865:
866: my $total_formula;
867:
868: sub excel_initialize {
869: my ($r) = @_;
870: #
871: undef ($excel_sheet);
872: undef ($excel_workbook);
873: undef ($filename);
874: undef ($rows_output);
875: undef ($cols_output);
876: undef (%prog_state);
877: undef ($request_aborted);
878: undef ($total_formula);
879: #
880: my $total_columns = scalar(&get_student_fields_to_show());
881: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
882: # Add 2 because we need a 'sum' and 'total' column for each
883: $total_columns += $seq->{'num_assess_parts'}+2;
884: }
885: if ($data eq 'tries' && $total_columns > 255) {
886: $r->print(<<END);
887: <h2>Unable to Complete Request</h2>
888: <p>
889: LON-CAPA is unable to produce your Excel spreadsheet because your selections
890: will result in more than 255 columns. Excel allows only 255 columns in a
891: spreadsheet.
892: </p><p>
893: You may consider reducing the number of <b>Sequences or Folders</b> you
894: have selected.
895: </p><p>
896: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
897: summary data (<b>Parts Correct</b> or <b>Parts Correct & Totals</b>).
898: </p>
899: END
900: $request_aborted = 1;
901: }
902: if ($data eq 'scores' && $total_columns > 255) {
903: $r->print(<<END);
904: <h2>Unable to Complete Request</h2>
905: <p>
906: LON-CAPA is unable to produce your Excel spreadsheet because your selections
907: will result in more than 255 columns. Excel allows only 255 columns in a
908: spreadsheet.
909: </p><p>
910: You may consider reducing the number of <b>Sequences or Folders</b> you
911: have selected.
912: </p><p>
913: LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the
914: <b>Scores Summary</b> data.
915: </p>
916: END
917: $request_aborted = 1;
918: }
919: if ($data =~ /^final table/) {
920: $r->print(<<END);
921: <h2>Unable to Complete Request</h2>
922: <p>
923: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
924: </p>
925: END
926: $request_aborted = 1;
927: }
928: return if ($request_aborted);
929: #
930: $filename = '/prtspool/'.
931: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
932: time.'_'.rand(1000000000).'.xls';
933: #
934: $excel_workbook = undef;
935: $excel_sheet = undef;
936: #
937: $rows_output = 0;
938: $cols_output = 0;
939: #
940: # Create sheet
941: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
942: #
943: # Check for errors
944: if (! defined($excel_workbook)) {
945: $r->log_error("Error creating excel spreadsheet $filename: $!");
946: $r->print("Problems creating new Excel file. ".
947: "This error has been logged. ".
948: "Please alert your LON-CAPA administrator");
949: return ;
950: }
951: #
952: # The excel spreadsheet stores temporary data in files, then put them
953: # together. If needed we should be able to disable this (memory only).
954: # The temporary directory must be specified before calling 'addworksheet'.
955: # File::Temp is used to determine the temporary directory.
956: $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
957: #
958: # Add a worksheet
959: my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
960: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
961: $excel_sheet = $excel_workbook->addworksheet($sheetname);
962: #
963: # Put the course description in the header
964: $excel_sheet->write($rows_output,$cols_output++,
965: $ENV{'course.'.$ENV{'request.course.id'}.'.description'});
966: $cols_output += 3;
967: #
968: # Put a description of the sections listed
969: my $sectionstring = '';
970: my @Sections = @Apache::lonstatistics::SelectedSections;
971: if (scalar(@Sections) > 1) {
972: if (scalar(@Sections) > 2) {
973: my $last = pop(@Sections);
974: $sectionstring = "Sections ".join(', ',@Sections).', and '.$last;
975: } else {
976: $sectionstring = "Sections ".join(' and ',@Sections);
977: }
978: } else {
979: if ($Sections[0] eq 'all') {
980: $sectionstring = "All sections";
981: } else {
982: $sectionstring = "Section ".$Sections[0];
983: }
984: }
985: $excel_sheet->write($rows_output,$cols_output++,$sectionstring);
986: $cols_output += scalar(@Sections);
987: #
988: # Put the date in there too
989: $excel_sheet->write($rows_output++,$cols_output++,
990: 'Compiled on '.localtime(time));
991: #
992: $cols_output = 0;
993: $excel_sheet->write($rows_output++,$cols_output++,$datadescription);
994: #
995: # if ($data eq 'tries' || $data eq 'scores') {
996: $rows_output+=2;
997: # }
998: #
999: # Add the student headers
1000: $cols_output = 0;
1001: foreach my $field (&get_student_fields_to_show()) {
1002: $excel_sheet->write($rows_output,$cols_output++,$field);
1003: }
1004: my $row_offset = 0;
1005: # if ($data eq 'tries' || $data eq 'scores') {
1006: $row_offset = -1;
1007: # }
1008: #
1009: # Add the remaining column headers
1010: my $total_formula_string = '=0';
1011: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1012: $excel_sheet->write($rows_output+$row_offset,
1013: $cols_output,$seq->{'title'});
1014: if ($data eq 'tries' || $data eq 'scores') {
1015: # Determine starting cell
1016: $seq->{'Excel:startcell'}=
1017: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1018: ($rows_output,$cols_output);
1019: $seq->{'Excel:startcol'}=$cols_output;
1020: # Put the names of the problems and parts into the sheet
1021: foreach my $res (@{$seq->{'contents'}}) {
1022: if ($res->{'type'} ne 'assessment' ||
1023: ! exists($res->{'parts'}) ||
1024: ref($res->{'parts'}) ne 'ARRAY' ||
1025: scalar(@{$res->{'parts'}}) < 1) {
1026: next;
1027: }
1028: if (scalar(@{$res->{'parts'}}) > 1) {
1029: foreach my $part (@{$res->{'parts'}}) {
1030: $excel_sheet->write($rows_output,
1031: $cols_output++,
1032: $res->{'title'}.' part '.$part);
1033: }
1034: } else {
1035: $excel_sheet->write($rows_output,
1036: $cols_output++,
1037: $res->{'title'});
1038: }
1039: }
1040: # Determine ending cell
1041: $seq->{'Excel:endcell'} =
1042: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1043: ($rows_output,$cols_output-1);
1044: $seq->{'Excel:endcol'}=$cols_output-1;
1045: # Create the formula for summing up this sequence
1046: $seq->{'Excel:sum'}= $excel_sheet->store_formula
1047: ('=SUM('.$seq->{'Excel:startcell'}.
1048: ':'.$seq->{'Excel:endcell'}.')');
1049: }
1050: # Determine cell the score is held in
1051: $seq->{'Excel:scorecell'} =
1052: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1053: ($rows_output,$cols_output);
1054: $seq->{'Excel:scorecol'}=$cols_output;
1055: if ($data eq 'parts correct total') {
1056: $excel_sheet->write($rows_output,$cols_output++,'parts correct');
1057: } else {
1058: $excel_sheet->write($rows_output,$cols_output++,'score');
1059: }
1060: #
1061: $total_formula_string.='+'.
1062: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1063: ($rows_output,$cols_output-1);
1064: $excel_sheet->write($rows_output,$cols_output++,'maximum');
1065: }
1066: $excel_sheet->write($rows_output,$cols_output++,'Grand Total');
1067: $total_formula = $excel_sheet->store_formula($total_formula_string);
1068: #
1069: # Bookkeeping
1070: # if ($data eq 'sum and total' || $data eq 'parts correct total') {
1071: # $rows_output += 1;
1072: # } else {
1073: $rows_output += 1;
1074: # }
1075: #
1076: # Output a row for MAX
1077: $cols_output = 0;
1078: foreach my $field (&get_student_fields_to_show()) {
1079: if ($field eq 'username' || $field eq 'fullname' ||
1080: $field eq 'id') {
1081: $excel_sheet->write($rows_output,$cols_output++,'Maximum');
1082: } else {
1083: $excel_sheet->write($rows_output,$cols_output++,'');
1084: }
1085: }
1086: #
1087: # Add the maximums for each sequence or assessment
1088: my %total_cell_translation;
1089: my $grand_total = 0;
1090: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1091: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1092: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1093: ($rows_output,$seq->{'Excel:scorecol'});
1094: my $weight;
1095: my $max = 0;
1096: foreach my $resource (@{$seq->{'contents'}}) {
1097: next if ($resource->{'type'} ne 'assessment');
1098: foreach my $part (@{$resource->{'parts'}}) {
1099: $weight = 1;
1100: if ($base eq 'scores') {
1101: $weight = &Apache::lonnet::EXT
1102: ('resource.'.$part.'.weight',$resource->{'symb'},
1103: undef,undef,undef);
1104: if (!defined($weight) || ($weight eq '')) {
1105: $weight=1;
1106: }
1107: }
1108: if ($data eq 'scores') {
1109: $excel_sheet->write($rows_output,$cols_output++,$weight);
1110: } elsif ($data eq 'tries') {
1111: $excel_sheet->write($rows_output,$cols_output++,'');
1112: }
1113: $max += $weight;
1114: }
1115: }
1116: if (! ($data eq 'sum only' || $data eq 'parts correct')) {
1117: $excel_sheet->write($rows_output,$cols_output++,'');
1118: }
1119: #
1120: if ($data eq 'tries' || $data eq 'scores') {
1121: my %replaceCells;
1122: $replaceCells{$seq->{'Excel:startcell'}} =
1123: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1124: ($rows_output,$seq->{'Excel:startcol'});
1125: $replaceCells{$seq->{'Excel:endcell'}} =
1126: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1127: ($rows_output,$seq->{'Excel:endcol'});
1128: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1129: $seq->{'Excel:sum'},undef,
1130: %replaceCells);
1131: } else {
1132: $excel_sheet->write($rows_output,$cols_output++,
1133: $max);
1134: }
1135: $grand_total+=$max;
1136: }
1137: if ($data eq 'tries' || $data eq 'scores') {
1138: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1139: $total_formula,undef,
1140: %total_cell_translation);
1141: } else {
1142: $excel_sheet->write($rows_output,$cols_output++,$grand_total);
1143: }
1144: $rows_output++;
1145: #
1146: # Let the user know what we are doing
1147: my $studentcount = scalar(@Apache::lonstatistics::Students);
1148: $r->print("<h1>Compiling Excel spreadsheet for ".
1149: $studentcount.' student');
1150: $r->print('s') if ($studentcount > 1);
1151: $r->print("</h1>\n");
1152: $r->rflush();
1153: #
1154: # Initialize progress window
1155: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1156: ($r,'Excel File Compilation Status',
1157: 'Excel File Compilation Progress', $studentcount);
1158: #
1159: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1160: 'Processing first student');
1161: return;
1162: }
1163:
1164: sub excel_outputstudent {
1165: my ($r,$student) = @_;
1166: return if ($request_aborted);
1167: return if (! defined($excel_sheet));
1168: $cols_output=0;
1169: #
1170: # Write out student data
1171: my @to_show = &get_student_fields_to_show();
1172: foreach my $field (@to_show) {
1173: $excel_sheet->write($rows_output,$cols_output++,$student->{$field});
1174: }
1175: #
1176: # Get student assessment data
1177: my %StudentsData;
1178: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1179: $student->{'domain'},
1180: undef,
1181: $ENV{'request.course.id'});
1182: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1183: %StudentsData = @tmp;
1184: }
1185: #
1186: # Write out sequence scores and totals data
1187: my %total_cell_translation;
1188: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1189: # Keep track of cells to translate in total cell
1190: $total_cell_translation{$seq->{'Excel:scorecell'}} =
1191: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1192: ($rows_output,$seq->{'Excel:scorecol'});
1193: #
1194: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1195: if ($base eq 'tries') {
1196: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1197: &StudentTriesOnSequence($student,\%StudentsData,
1198: $seq,'no');
1199: } else {
1200: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1201: &StudentPerformanceOnSequence($student,\%StudentsData,
1202: $seq,'no');
1203: }
1204: if ($data eq 'tries' || $data eq 'scores') {
1205: foreach my $value (@$rawdata) {
1206: $excel_sheet->write($rows_output,$cols_output++,$value);
1207: }
1208: # Write a formula for the sum of this sequence
1209: my %replaceCells;
1210: $replaceCells{$seq->{'Excel:startcell'}} =
1211: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1212: ($rows_output,$seq->{'Excel:startcol'});
1213: $replaceCells{$seq->{'Excel:endcell'}} =
1214: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1215: ($rows_output,$seq->{'Excel:endcol'});
1216: # The undef is for the format
1217: if (scalar(keys(%replaceCells)) == 1) {
1218: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1219: $seq->{'Excel:sum'},undef,
1220: %replaceCells,%replaceCells);
1221: } else {
1222: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1223: $seq->{'Excel:sum'},undef,
1224: %replaceCells);
1225: }
1226: #
1227: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1228: } elsif ($data eq 'sum and total' || $data eq 'sum only' ||
1229: $data eq 'parts correct' || $data eq 'parts correct total') {
1230: $excel_sheet->write($rows_output,$cols_output++,$score);
1231: }
1232: if ($data eq 'sum and total' || $data eq 'parts correct total') {
1233: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1234: }
1235: }
1236: #
1237: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1238: $total_formula,undef,
1239: %total_cell_translation);
1240:
1241: #
1242: # Bookkeeping
1243: $rows_output++;
1244: $cols_output=0;
1245: #
1246: # Update the progress window
1247: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1248: return;
1249: }
1250:
1251: sub excel_finish {
1252: my ($r) = @_;
1253: return if ($request_aborted);
1254: return if (! defined($excel_sheet));
1255: #
1256: # Write the excel file
1257: $excel_workbook->close();
1258: my $c = $r->connection();
1259: #
1260: return if($c->aborted());
1261: #
1262: # Close the progress window
1263: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1264: #
1265: # Tell the user where to get their excel file
1266: $r->print('<br />'.
1267: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1268: $r->rflush();
1269: return;
1270: }
1271:
1272: }
1273: #######################################################
1274: #######################################################
1275:
1276: =pod
1277:
1278: =head2 CSV output routines
1279:
1280: =item &csv_initialize($r)
1281:
1282: =item &csv_outputstudent($r,$student)
1283:
1284: =item &csv_finish($r)
1285:
1286: =cut
1287:
1288: #######################################################
1289: #######################################################
1290: {
1291:
1292: my $outputfile;
1293: my $filename;
1294: my $request_aborted;
1295: my %prog_state; # progress window state
1296:
1297: sub csv_initialize{
1298: my ($r) = @_;
1299: #
1300: # Clean up
1301: undef($outputfile);
1302: undef($filename);
1303: undef($request_aborted);
1304: undef(%prog_state);
1305: #
1306: # Deal with unimplemented requests
1307: $request_aborted = undef;
1308: if ($data =~ /final table/) {
1309: $r->print(<<END);
1310: <h2>Unable to Complete Request</h2>
1311: <p>
1312: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1313: </p>
1314: END
1315: $request_aborted = 1;
1316: }
1317: return if ($request_aborted);
1318:
1319: #
1320: # Open a file
1321: $filename = '/prtspool/'.
1322: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1323: time.'_'.rand(1000000000).'.csv';
1324: unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) {
1325: $r->log_error("Couldn't open $filename for output $!");
1326: $r->print("Problems occured in writing the csv file. ".
1327: "This error has been logged. ".
1328: "Please alert your LON-CAPA administrator.");
1329: $outputfile = undef;
1330: }
1331: #
1332: # Datestamp
1333: my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1334: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1335: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1336: "\n";
1337: #
1338: # Print out the headings
1339: my $Str = '';
1340: my $Str2 = undef;
1341: foreach my $field (&get_student_fields_to_show()) {
1342: if ($data eq 'sum only') {
1343: $Str .= '"'.&Apache::loncommon::csv_translate($field).'",';
1344: } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
1345: $Str .= '"",'; # first row empty on the student fields
1346: $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
1347: } elsif ($data eq 'scores' || $data eq 'tries' ||
1348: $data eq 'parts correct') {
1349: $Str .= '"",';
1350: $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",';
1351: }
1352: }
1353: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1354: if ($data eq 'sum only' || $data eq 'parts correct') {
1355: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
1356: '",';
1357: } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
1358: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
1359: '","",';
1360: $Str2 .= '"score","total possible",';
1361: } elsif ($data eq 'scores' || $data eq 'tries') {
1362: $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}).
1363: '",';
1364: $Str .= '"",'x($seq->{'num_assess_parts'}-1+2);
1365: foreach my $res (@{$seq->{'contents'}}) {
1366: next if ($res->{'type'} ne 'assessment');
1367: foreach my $part (@{$res->{'parts'}}) {
1368: $Str2 .= '"'.&Apache::loncommon::csv_translate($res->{'title'}.', Part '.$part).'",';
1369: }
1370: }
1371: $Str2 .= '"score","total possible",';
1372: }
1373: }
1374: chop($Str);
1375: $Str .= "\n";
1376: print $outputfile $Str;
1377: if (defined($Str2)) {
1378: chop($Str2);
1379: $Str2 .= "\n";
1380: print $outputfile $Str2;
1381: }
1382: #
1383: # Initialize progress window
1384: my $studentcount = scalar(@Apache::lonstatistics::Students);
1385: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1386: ($r,'CSV File Compilation Status',
1387: 'CSV File Compilation Progress', $studentcount);
1388: return;
1389: }
1390:
1391: sub csv_outputstudent {
1392: my ($r,$student) = @_;
1393: return if ($request_aborted);
1394: return if (! defined($outputfile));
1395: my $Str = '';
1396: #
1397: # Output student fields
1398: my @to_show = &get_student_fields_to_show();
1399: foreach my $field (@to_show) {
1400: $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",';
1401: }
1402: #
1403: # Get student assessment data
1404: my %StudentsData;
1405: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1406: $student->{'domain'},
1407: undef,
1408: $ENV{'request.course.id'});
1409: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1410: %StudentsData = @tmp;
1411: }
1412: #
1413: # Output performance data
1414: foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
1415: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1416: if ($base eq 'tries') {
1417: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1418: &StudentTriesOnSequence($student,\%StudentsData,
1419: $seq,'no');
1420: } else {
1421: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1422: &StudentPerformanceOnSequence($student,\%StudentsData,
1423: $seq,'no');
1424: }
1425: if ($data eq 'sum only' || $data eq 'parts correct') {
1426: $Str .= '"'.$score.'",';
1427: } elsif ($data eq 'sum and total' || $data eq 'parts correct total') {
1428: $Str .= '"'.$score.'","'.$seq_max.'",';
1429: } elsif ($data eq 'scores' || $data eq 'tries') {
1430: $Str .= '"'.join('","',(@$rawdata,$score,$seq_max)).'",';
1431: }
1432: }
1433: chop($Str);
1434: $Str .= "\n";
1435: print $outputfile $Str;
1436: #
1437: # Update the progress window
1438: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1439: return;
1440: }
1441:
1442: sub csv_finish {
1443: my ($r) = @_;
1444: return if ($request_aborted);
1445: return if (! defined($outputfile));
1446: close($outputfile);
1447: #
1448: my $c = $r->connection();
1449: return if ($c->aborted());
1450: #
1451: # Close the progress window
1452: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1453: #
1454: # Tell the user where to get their csv file
1455: $r->print('<br />'.
1456: '<a href="'.$filename.'">Your csv file.</a>'."\n");
1457: $r->rflush();
1458: return;
1459:
1460: }
1461:
1462: }
1463:
1464: #######################################################
1465: #######################################################
1466:
1467: =pod
1468:
1469: =item &StudentTriesOnSequence()
1470:
1471: Inputs:
1472:
1473: =over 4
1474:
1475: =item $student
1476:
1477: =item $studentdata Hash ref to all student data
1478:
1479: =item $seq Hash ref, the sequence we are working on
1480:
1481: =item $links if defined we will output links to each resource.
1482:
1483: =back
1484:
1485: =cut
1486:
1487: #######################################################
1488: #######################################################
1489: sub StudentTriesOnSequence {
1490: my ($student,$studentdata,$seq,$links) = @_;
1491: $links = 'no' if (! defined($links));
1492: my $Str = '';
1493: my ($sum,$max) = (0,0);
1494: my $performance_length = 0;
1495: my @TriesData = ();
1496: my $tries;
1497: foreach my $resource (@{$seq->{'contents'}}) {
1498: next if ($resource->{'type'} ne 'assessment');
1499: my $resource_data = $studentdata->{$resource->{'symb'}};
1500: my $value = '';
1501: foreach my $partnum (@{$resource->{'parts'}}) {
1502: $tries = undef;
1503: $max++;
1504: $performance_length++;
1505: my $symbol = ' '; # default to space
1506: #
1507: my $awarded = 0;
1508: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1509: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1510: $awarded = 0 if (! $awarded);
1511: }
1512: #
1513: my $status = '';
1514: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1515: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1516: }
1517: #
1518: my $tries = 0;
1519: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1520: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1521: }
1522: #
1523: if ($awarded > 0) {
1524: # The student has gotten the problem correct to some degree
1525: if ($status eq 'excused') {
1526: $symbol = 'x';
1527: $max--;
1528: } elsif ($status eq 'correct_by_override') {
1529: $symbol = '+';
1530: $sum++;
1531: } elsif ($tries > 0) {
1532: if ($tries > 9) {
1533: $symbol = '*';
1534: } else {
1535: $symbol = $tries;
1536: }
1537: $sum++;
1538: } else {
1539: $symbol = '+';
1540: $sum++;
1541: }
1542: } else {
1543: # The student has the problem incorrect or it is ungraded
1544: if ($status eq 'excused') {
1545: $symbol = 'x';
1546: $max--;
1547: } elsif ($status eq 'incorrect_by_override') {
1548: $symbol = '-';
1549: } elsif ($status eq 'ungraded_attempted') {
1550: $symbol = '#';
1551: } elsif ($status eq 'incorrect_attempted' ||
1552: $tries > 0) {
1553: $symbol = '.';
1554: } else {
1555: # Problem is wrong and has not been attempted.
1556: $symbol=' ';
1557: }
1558: }
1559: #
1560: if (! defined($tries)) {
1561: $tries = $symbol;
1562: }
1563: push (@TriesData,$tries);
1564: #
1565: if ( ($links eq 'yes' && $symbol ne ' ') ||
1566: ($links eq 'all')) {
1567: if (length($symbol) > 1) {
1568: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1569: }
1570: $symbol = '<a href="/adm/grades'.
1571: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1572: '&student='.$student->{'username'}.
1573: '&userdom='.$student->{'domain'}.
1574: '&command=submission">'.$symbol.'</a>';
1575: }
1576: $value .= $symbol;
1577: }
1578: $Str .= $value;
1579: }
1580: if ($seq->{'randompick'}) {
1581: $max = $seq->{'randompick'};
1582: }
1583: return ($Str,$performance_length,$sum,$max,\@TriesData);
1584: }
1585:
1586: #######################################################
1587: #######################################################
1588:
1589: =pod
1590:
1591: =item &StudentPerformanceOnSequence()
1592:
1593: Inputs:
1594:
1595: =over 4
1596:
1597: =item $student
1598:
1599: =item $studentdata Hash ref to all student data
1600:
1601: =item $seq Hash ref, the sequence we are working on
1602:
1603: =item $links if defined we will output links to each resource.
1604:
1605: =back
1606:
1607: =cut
1608:
1609: #######################################################
1610: #######################################################
1611: sub StudentPerformanceOnSequence {
1612: my ($student,$studentdata,$seq,$links) = @_;
1613: $links = 'no' if (! defined($links));
1614: my $Str = ''; # final result string
1615: my ($score,$max) = (0,0);
1616: my $performance_length = 0;
1617: my $symbol;
1618: my @ScoreData = ();
1619: my $partscore;
1620: foreach my $resource (@{$seq->{'contents'}}) {
1621: next if ($resource->{'type'} ne 'assessment');
1622: my $resource_data = $studentdata->{$resource->{'symb'}};
1623: foreach my $part (@{$resource->{'parts'}}) {
1624: $partscore = undef;
1625: my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1626: $resource->{'symb'},
1627: $student->{'domain'},
1628: $student->{'username'},
1629: $student->{'section'});
1630: if (!defined($weight) || ($weight eq '')) {
1631: $weight=1;
1632: }
1633: #
1634: $max += $weight; # see the 'excused' branch below...
1635: $performance_length++; # one character per part
1636: $symbol = ' '; # default to space
1637: #
1638: my $awarded = 0;
1639: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1640: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1641: $awarded = 0 if (! $awarded);
1642: }
1643: #
1644: $partscore = $weight*$awarded;
1645: $score += $partscore;
1646: $symbol = $partscore;
1647: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1648: $symbol = sprintf("%.0f",$symbol);
1649: }
1650: if (length($symbol) > 1) {
1651: $symbol = '*';
1652: }
1653: if (exists($resource_data->{'resource.'.$part.'.solved'})) {
1654: my $status = $resource_data->{'resource.'.$part.'.solved'};
1655: if ($status eq 'excused') {
1656: $symbol = 'x';
1657: $max -= $weight; # Do not count 'excused' problems.
1658: }
1659: } else {
1660: # Unsolved. Did they try?
1661: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1662: $symbol = '.';
1663: } else {
1664: $symbol = ' ';
1665: }
1666: }
1667: #
1668: if (! defined($partscore)) {
1669: $partscore = $symbol;
1670: }
1671: push (@ScoreData,$partscore);
1672: #
1673: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1674: $symbol = '<a href="/adm/grades'.
1675: '?symb='.&Apache::lonnet::escape($resource->{'symb'}).
1676: '&student='.$student->{'username'}.
1677: '&userdom='.$student->{'domain'}.
1678: '&command=submission">'.$symbol.'</a>';
1679: }
1680: $Str .= $symbol;
1681: }
1682: }
1683: return ($Str,$performance_length,$score,$max,\@ScoreData);
1684: }
1685:
1686: #######################################################
1687: #######################################################
1688:
1689: =pod
1690:
1691: =item &CreateLegend()
1692:
1693: This function returns a formatted string containing the legend for the
1694: chart. The legend describes the symbols used to represent grades for
1695: problems.
1696:
1697: =cut
1698:
1699: #######################################################
1700: #######################################################
1701: sub CreateLegend {
1702: my $Str = "<p><pre>".
1703: " 1 correct by student in 1 try\n".
1704: " 7 correct by student in 7 tries\n".
1705: " * correct by student in more than 9 tries\n".
1706: " + correct by hand grading or override\n".
1707: " - incorrect by override\n".
1708: " . incorrect attempted\n".
1709: " # ungraded attempted\n".
1710: " not attempted (blank field)\n".
1711: " x excused".
1712: "</pre><p>";
1713: return $Str;
1714: }
1715:
1716: #######################################################
1717: #######################################################
1718:
1719: =pod
1720:
1721: =back
1722:
1723: =cut
1724:
1725: #######################################################
1726: #######################################################
1727:
1728: 1;
1729:
1730: __END__
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