1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.131 2006/02/27 19:40:30 albertel 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 Apache::grades;
60: use Time::HiRes;
61: use Spreadsheet::WriteExcel;
62: use Spreadsheet::WriteExcel::Utility();
63:
64: #######################################################
65: #######################################################
66: =pod
67:
68: =item Package Variables
69:
70: =over 4
71:
72: =item $Statistics Hash ref to store student data. Indexed by symb,
73: contains hashes with keys 'score' and 'max'.
74:
75: =cut
76:
77: #######################################################
78: #######################################################
79:
80: my $Statistics;
81:
82: #######################################################
83: #######################################################
84:
85: =pod
86:
87: =item $show_links 'yes' or 'no' for linking to student performance data
88:
89: =item $output_mode 'html', 'excel', or 'csv' for output mode
90:
91: =item $show 'all', 'totals', or 'scores' determines how much data is output
92:
93: =item $single_student_mode evaluates to true if we are showing only one
94: student.
95:
96: =cut
97:
98: #######################################################
99: #######################################################
100: my $show_links;
101: my $output_mode;
102: my $chosen_output;
103: my $single_student_mode;
104:
105: #######################################################
106: #######################################################
107: # End of package variable declarations
108:
109: =pod
110:
111: =back
112:
113: =cut
114:
115: #######################################################
116: #######################################################
117:
118: =pod
119:
120: =item &BuildStudentAssessmentPage()
121:
122: Inputs:
123:
124: =over 4
125:
126: =item $r Apache Request
127:
128: =item $c Apache Connection
129:
130: =back
131:
132: =cut
133:
134: #######################################################
135: #######################################################
136: sub BuildStudentAssessmentPage {
137: my ($r,$c)=@_;
138: #
139: undef($Statistics);
140: undef($show_links);
141: undef($output_mode);
142: undef($chosen_output);
143: undef($single_student_mode);
144: #
145: my %Saveable_Parameters = ('Status' => 'scalar',
146: 'chartoutputmode' => 'scalar',
147: 'chartoutputdata' => 'scalar',
148: 'Section' => 'array',
149: 'StudentData' => 'array',
150: 'Maps' => 'array');
151: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
152: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
153: #
154: &Apache::lonstatistics::PrepareClasslist();
155: #
156: $single_student_mode = 0;
157: $single_student_mode = 1 if ($env{'form.SelectedStudent'});
158: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
159: ['selectstudent']);
160: if ($env{'form.selectstudent'}) {
161: &Apache::lonstatistics::DisplayClasslist($r);
162: return;
163: }
164: #
165: # Print out the HTML headers for the interface
166: # This also parses the output mode selector
167: # This step must *always* be done.
168: $r->print(&CreateInterface());
169: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
170: $r->print('<input type="hidden" name="sort" value="'.
171: $env{'form.sort'}.'" />');
172: $r->rflush();
173: #
174: if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
175: return;
176: }
177: $r->print('<h4>'.
178: &Apache::lonstatistics::section_and_enrollment_description().
179: '</h4>');
180: #
181: my $initialize = \&html_initialize;
182: my $output_student = \&html_outputstudent;
183: my $finish = \&html_finish;
184: #
185: if ($output_mode eq 'excel') {
186: $initialize = \&excel_initialize;
187: $output_student = \&excel_outputstudent;
188: $finish = \&excel_finish;
189: } elsif ($output_mode eq 'csv') {
190: $initialize = \&csv_initialize;
191: $output_student = \&csv_outputstudent;
192: $finish = \&csv_finish;
193: }
194: #
195: if($c->aborted()) { return ; }
196: #
197: # Determine which students we want to look at
198: my @Students;
199: if ($single_student_mode) {
200: @Students = (&Apache::lonstatistics::current_student());
201: $r->print(&next_and_previous_buttons());
202: $r->rflush();
203: } else {
204: @Students = @Apache::lonstatistics::Students;
205: }
206: #
207: # Perform generic initialization tasks
208: # Since we use lonnet::EXT to retrieve problem weights,
209: # to ensure current data we must clear the caches out.
210: # This makes sure that parameter changes at the student level
211: # are immediately reflected in the chart.
212: &Apache::lonnet::clear_EXT_cache_status();
213: #
214: # Clean out loncoursedata's package data, just to be safe.
215: &Apache::loncoursedata::clear_internal_caches();
216: #
217: # Call the initialize routine selected above
218: $initialize->($r);
219: foreach my $student (@Students) {
220: if($c->aborted()) {
221: $finish->($r);
222: return ;
223: }
224: # Call the output_student routine selected above
225: $output_student->($r,$student);
226: }
227: # Call the "finish" routine selected above
228: $finish->($r);
229: #
230: return;
231: }
232:
233: #######################################################
234: #######################################################
235: sub next_and_previous_buttons {
236: my $Str = '';
237: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
238: $env{'form.SelectedStudent'}.'" />';
239: #
240: # Build the previous student link
241: my $previous = &Apache::lonstatistics::previous_student();
242: my $previousbutton = '';
243: if (defined($previous)) {
244: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
245: $previousbutton .= '<input type="button" value="'.
246: 'Previous Student ('.
247: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
248: '" onclick="document.Statistics.SelectedStudent.value='.
249: "'".$sname."'".';'.
250: 'document.Statistics.submit();" />';
251: } else {
252: $previousbutton .= '<input type="button" value="'.
253: 'Previous student (none)'.'" />';
254: }
255: #
256: # Build the next student link
257: my $next = &Apache::lonstatistics::next_student();
258: my $nextbutton = '';
259: if (defined($next)) {
260: my $sname = $next->{'username'}.':'.$next->{'domain'};
261: $nextbutton .= '<input type="button" value="'.
262: 'Next Student ('.
263: $next->{'username'}.'@'.$next->{'domain'}.')'.
264: '" onclick="document.Statistics.SelectedStudent.value='.
265: "'".$sname."'".';'.
266: 'document.Statistics.submit();" />';
267: } else {
268: $nextbutton .= '<input type="button" value="'.
269: 'Next student (none)'.'" />';
270: }
271: #
272: # Build the 'all students' button
273: my $all = '';
274: $all .= '<input type="button" value="All Students" '.
275: '" onclick="document.Statistics.SelectedStudent.value='.
276: "''".';'.'document.Statistics.submit();" />';
277: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
278: return $Str;
279: }
280:
281: #######################################################
282: #######################################################
283:
284: sub get_student_fields_to_show {
285: my @to_show = @Apache::lonstatistics::SelectedStudentData;
286: foreach (@to_show) {
287: if ($_ eq 'all') {
288: @to_show = @Apache::lonstatistics::StudentDataOrder;
289: last;
290: }
291: }
292: return @to_show;
293: }
294:
295: #######################################################
296: #######################################################
297:
298: =pod
299:
300: =item &CreateInterface()
301:
302: Called by &BuildStudentAssessmentPage to create the top part of the
303: page which displays the chart.
304:
305: Inputs: None
306:
307: Returns: A string containing the HTML for the headers and top table for
308: the chart page.
309:
310: =cut
311:
312: #######################################################
313: #######################################################
314: sub CreateInterface {
315: my $Str = '';
316: $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Chart');
317: # $Str .= &CreateLegend();
318: $Str .= '<table cellspacing="5">'."\n";
319: $Str .= '<tr>';
320: $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
321: $Str .= '<td align="center"><b>'.&mt('Student Data</b>').'</td>';
322: $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
323: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
324: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
325: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
326: '</td>';
327: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
328: &Apache::loncommon::help_open_topic("Chart_Output_Data").
329: '</td>';
330: $Str .= '</tr>'."\n";
331: #
332: $Str .= '<tr><td align="center">'."\n";
333: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
334: $Str .= '</td><td align="center">';
335: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
336: 5,undef);
337: $Str .= '</td><td>'."\n";
338: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
339: $Str .= '</td><td>'."\n";
340: $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
341: $Str .= '</td><td>'."\n";
342: $Str .= &CreateAndParseOutputSelector();
343: $Str .= '</td><td>'."\n";
344: $Str .= &CreateAndParseOutputDataSelector();
345: $Str .= '</td></tr>'."\n";
346: $Str .= '</table>'."\n";
347: $Str .= '<input type="submit" name="Generate Chart" value="'.
348: &mt('Generate Chart').'" />';
349: $Str .= ' 'x5;
350: $Str .= '<input type="submit" name="selectstudent" value="'.
351: &mt('Select One Student').'" />';
352: $Str .= ' 'x5;
353: $Str .= '<input type="submit" name="ClearCache" value="'.
354: &mt('Clear Caches').'" />';
355: $Str .= ' 'x5;
356: $Str .=
357: &mt('Status [_1]',
358: '<input type="text" name="stats_status" size="60" value="" />');
359: $Str .= '<br />';
360: return $Str;
361: }
362:
363: #######################################################
364: #######################################################
365:
366: =pod
367:
368: =item &CreateAndParseOutputSelector()
369:
370: =cut
371:
372: #######################################################
373: #######################################################
374: my @OutputOptions =
375: ({ name => 'HTML, with links',
376: value => 'html, with links',
377: description => 'Output HTML with each symbol linked to the problem '.
378: 'which generated it.',
379: mode => 'html',
380: show_links => 'yes',
381: },
382: { name => 'HTML, with all links',
383: value => 'html, with all links',
384: description => 'Output HTML with each symbol linked to the problem '.
385: 'which generated it. '.
386: 'This includes links for unattempted problems.',
387: mode => 'html',
388: show_links => 'all',
389: },
390: { name => 'HTML, without links',
391: value => 'html, without links',
392: description => 'Output HTML. By not including links, the size of the'.
393: ' web page is greatly reduced. If your browser crashes on the '.
394: 'full display, try this.',
395: mode => 'html',
396: show_links => 'no',
397: },
398: { name => 'Excel',
399: value => 'excel',
400: description => 'Output an Excel file (compatable with Excel 95).',
401: mode => 'excel',
402: show_links => 'no',
403: },
404: { name => 'CSV',
405: value => 'csv',
406: description => 'Output a comma separated values file suitable for '.
407: 'import into a spreadsheet program. Using this method as opposed '.
408: 'to Excel output allows you to organize your data before importing'.
409: ' it into a spreadsheet program.',
410: mode => 'csv',
411: show_links => 'no',
412: },
413: );
414:
415: sub OutputDescriptions {
416: my $Str = '';
417: $Str .= "<h2>Output Formats</h2>\n";
418: $Str .= "<dl>\n";
419: foreach my $outputmode (@OutputOptions) {
420: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
421: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
422: }
423: $Str .= "</dl>\n";
424: return $Str;
425: }
426:
427: sub CreateAndParseOutputSelector {
428: my $Str = '';
429: my $elementname = 'chartoutputmode';
430: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
431: [$elementname]);
432: #
433: # Format for output options is 'mode, restrictions';
434: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
435: $selected = 'html, without links' if (!$selected);
436:
437: #
438: # Set package variables describing output mode
439: $show_links = 'no';
440: $output_mode = 'html';
441: foreach my $option (@OutputOptions) {
442: next if ($option->{'value'} ne $selected);
443: $output_mode = $option->{'mode'};
444: $show_links = $option->{'show_links'};
445: }
446:
447: #
448: # Build the form element
449: $Str = qq/<select size="5" name="$elementname">/;
450: foreach my $option (@OutputOptions) {
451: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
452: $Str .= " selected " if ($option->{'value'} eq $selected);
453: $Str .= ">".&mt($option->{'name'})."<\/option>";
454: }
455: $Str .= "\n</select>";
456: return $Str;
457: }
458:
459: ##
460: ## Data selector stuff
461: ##
462: my @OutputDataOptions =
463: (
464: { name => 'Scores Summary',
465: base => 'scores',
466: value => 'sum and total',
467: scores => 1,
468: tries => 0,
469: every_problem => 0,
470: sequence_sum => 1,
471: sequence_max => 1,
472: grand_total => 1,
473: grand_maximum => 1,
474: summary_table => 1,
475: maximum_row => 1,
476: ignore_weight => 0,
477: shortdesc => 'Total Score and Maximum Possible for each '.
478: 'Sequence or Folder',
479: longdesc => 'The score of each student as well as the '.
480: ' maximum possible on each Sequence or Folder.',
481: },
482: { name => 'Scores Per Problem',
483: base => 'scores',
484: value => 'scores',
485: scores => 1,
486: tries => 0,
487: correct => 0,
488: every_problem => 1,
489: sequence_sum => 1,
490: sequence_max => 1,
491: grand_total => 1,
492: grand_maximum => 1,
493: summary_table => 1,
494: maximum_row => 1,
495: ignore_weight => 0,
496: shortdesc => 'Score on each Problem Part',
497: longdesc =>'The students score on each problem part, computed as'.
498: 'the part weight * part awarded',
499: },
500: { name =>'Tries',
501: base =>'tries',
502: value => 'tries',
503: scores => 0,
504: tries => 1,
505: correct => 0,
506: every_problem => 1,
507: sequence_sum => 0,
508: sequence_max => 0,
509: grand_total => 0,
510: grand_maximum => 0,
511: summary_table => 0,
512: maximum_row => 0,
513: ignore_weight => 0,
514: shortdesc => 'Number of Tries before success on each Problem Part',
515: longdesc =>'The number of tries before success on each problem part.',
516: non_html_notes => 'negative values indicate an incorrect problem',
517: },
518: { name =>'Parts Correct',
519: base =>'tries',
520: value => 'parts correct total',
521: scores => 0,
522: tries => 0,
523: correct => 1,
524: every_problem => 1,
525: sequence_sum => 1,
526: sequence_max => 1,
527: grand_total => 1,
528: grand_maximum => 1,
529: summary_table => 1,
530: maximum_row => 0,
531: ignore_weight => 1,
532: shortdesc => 'Number of Problem Parts completed successfully.',
533: longdesc => 'The Number of Problem Parts completed successfully and '.
534: 'the maximum possible for each student',
535: },
536: );
537:
538: sub HTMLifyOutputDataDescriptions {
539: my $Str = '';
540: $Str .= "<h2>Output Data</h2>\n";
541: $Str .= "<dl>\n";
542: foreach my $option (@OutputDataOptions) {
543: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
544: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
545: }
546: $Str .= "</dl>\n";
547: return $Str;
548: }
549:
550: sub CreateAndParseOutputDataSelector {
551: my $Str = '';
552: my $elementname = 'chartoutputdata';
553: #
554: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
555: $selected = 'scores' if (!$selected);
556:
557: #
558: $chosen_output = $OutputDataOptions[0];
559: foreach my $option (@OutputDataOptions) {
560: if ($option->{'value'} eq $selected) {
561: $chosen_output = $option;
562: }
563: }
564: #
565: # Build the form element
566: $Str = qq/<select size="5" name="$elementname">/;
567: foreach my $option (@OutputDataOptions) {
568: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
569: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
570: $Str .= ">".&mt($option->{'name'})."<\/option>";
571: }
572: $Str .= "\n</select>";
573: return $Str;
574:
575: }
576:
577: #######################################################
578: #######################################################
579: sub count_parts {
580: my ($navmap,$sequence) = @_;
581: my @resources = &get_resources($navmap,$sequence);
582: my $count = 0;
583: foreach my $res (@resources) {
584: $count += scalar(@{$res->parts});
585: }
586: return $count;
587: }
588:
589: sub get_resources {
590: my ($navmap,$sequence) = @_;
591: my @resources = $navmap->retrieveResources($sequence,
592: sub { shift->is_problem(); },
593: 0,0,0);
594: return @resources;
595: }
596:
597: #######################################################
598: #######################################################
599:
600: =pod
601:
602: =head2 HTML output routines
603:
604: =item &html_initialize($r)
605:
606: Create labels for the columns of student data to show.
607:
608: =item &html_outputstudent($r,$student)
609:
610: Return a line of the chart for a student.
611:
612: =item &html_finish($r)
613:
614: =cut
615:
616: #######################################################
617: #######################################################
618: {
619: my $padding;
620: my $count;
621:
622: my $nodata_count; # The number of students for which there is no data
623: my %prog_state; # progress state used by loncommon PrgWin routines
624: my $total_sum_width;
625:
626: my %width; # Holds sequence width information
627: my @sequences;
628: my $navmap; # Have to keep this around since weakref is a bit zealous
629:
630: sub html_cleanup {
631: undef(%prog_state);
632: undef(%width);
633: #
634: undef($navmap);
635: undef(@sequences);
636: }
637:
638: sub html_initialize {
639: my ($r) = @_;
640: #
641: $padding = ' 'x3;
642: $count = 0;
643: $nodata_count = 0;
644: &html_cleanup();
645: ($navmap,@sequences) =
646: &Apache::lonstatistics::selected_sequences_with_assessments();
647: if (! ref($navmap)) {
648: # Unable to get data, so bail out
649: $r->print("<h3>".
650: &mt('Unable to retrieve course information.').
651: '</h3>');
652: }
653: #
654: $r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
655: " ".localtime(time)."</h3>");
656: #
657: if ($chosen_output->{'base'} !~ /^final table/) {
658: $r->print("<h3>".$chosen_output->{'shortdesc'}."</h3>");
659: }
660: my $Str = "<pre>\n";
661: # First, the @StudentData fields need to be listed
662: my @to_show = &get_student_fields_to_show();
663: foreach my $field (@to_show) {
664: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
665: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
666: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
667: $Str .= $title.' 'x($width-$base).$padding;
668: }
669: #
670: # Compute the column widths and output the sequence titles
671: my $total_count;
672: #
673: # Compute sequence widths
674: my $starttime = Time::HiRes::time;
675: foreach my $seq (@sequences) {
676: my $symb = $seq->symb;
677: my $title = $seq->compTitle;
678: $width{$symb}->{'width_sum'} = 0;
679: # Compute width of sum
680: if ($chosen_output->{'sequence_sum'}) {
681: if ($chosen_output->{'every_problem'}) {
682: # Use 1 digit for a space
683: $width{$symb}->{'width_sum'} += 1;
684: }
685: $total_count += &count_parts($navmap,$seq);
686: # Use 3 digits for the sum
687: $width{$symb}->{'width_sum'} += 3;
688: }
689: # Compute width of maximum
690: if ($chosen_output->{'sequence_max'}) {
691: if ($width{$symb}->{'width_sum'}>0) {
692: # One digit for the '/'
693: $width{$symb}->{'width_sum'} +=1;
694: }
695: # Use 3 digits for the total
696: $width{$symb}->{'width_sum'}+=3;
697: }
698: #
699: if ($chosen_output->{'every_problem'}) {
700: # one problem per digit
701: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
702: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
703: } else {
704: $width{$symb}->{'width_problem'} = 0;
705: }
706: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
707: $width{$symb}->{'width_sum'};
708: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
709: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
710: }
711: #
712: # Output the sequence titles
713: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
714: length($title)
715: )).$padding;
716: }
717: $total_sum_width = length($total_count)+1;
718: $Str .= " total</pre>\n";
719: $Str .= "<pre>";
720: $r->print($Str);
721: $r->rflush();
722: #
723: # Let the user know what we are doing
724: my $studentcount = scalar(@Apache::lonstatistics::Students);
725: if ($env{'form.SelectedStudent'}) {
726: $studentcount = '1';
727: }
728: #
729: # Initialize progress window
730: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
731: ($r,'HTML Chart Status',
732: 'HTML Chart Progress', $studentcount,
733: 'inline',undef,'Statistics','stats_status');
734: #
735: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
736: 'Processing first student');
737: return;
738: }
739:
740: sub html_outputstudent {
741: my ($r,$student) = @_;
742: my $Str = '';
743: return if (! defined($navmap));
744: #
745: if($count++ % 5 == 0 && $count > 0) {
746: $r->print("</pre><pre>");
747: }
748: # First, the @StudentData fields need to be listed
749: my @to_show = &get_student_fields_to_show();
750: foreach my $field (@to_show) {
751: my $title=$student->{$field};
752: # Deal with 'comments' - how I love special cases
753: if ($field eq 'comments') {
754: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
755: }
756: my $base = length($title);
757: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
758: $Str .= $title.' 'x($width-$base).$padding;
759: }
760: # Get ALL the students data
761: my %StudentsData;
762: my @tmp = &Apache::loncoursedata::get_current_state
763: ($student->{'username'},$student->{'domain'},undef,
764: $env{'request.course.id'});
765: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
766: %StudentsData = @tmp;
767: }
768: if (scalar(@tmp) < 1) {
769: $nodata_count++;
770: $Str .= '<font color="blue">No Course Data</font>'."\n";
771: $r->print($Str);
772: $r->rflush();
773: return;
774: }
775: #
776: # By sequence build up the data
777: my $studentstats;
778: my $PerformanceStr = '';
779: foreach my $seq (@sequences) {
780: my $symb = $seq->symb;
781: my ($performance,$performance_length,$score,$seq_max,$rawdata);
782: if ($chosen_output->{'tries'}) {
783: ($performance,$performance_length,$score,$seq_max,$rawdata) =
784: &student_tries_on_sequence($student,\%StudentsData,
785: $navmap,$seq,$show_links);
786: } else {
787: ($performance,$performance_length,$score,$seq_max,$rawdata) =
788: &student_performance_on_sequence($student,\%StudentsData,
789: $navmap,$seq,$show_links,
790: $chosen_output->{ignore_weight});
791: }
792: my $ratio='';
793: if ($chosen_output->{'every_problem'} &&
794: $chosen_output->{'sequence_sum'}) {
795: $ratio .= ' ';
796: }
797: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
798: my $score .= sprintf("%3.0f",$score);
799: $ratio .= (' 'x(3-length($score))).$score;
800: } elsif($chosen_output->{'sequence_sum'}) {
801: $ratio .= ' 'x3;
802: }
803: if ($chosen_output->{'sequence_max'}) {
804: if ($chosen_output->{'sequence_sum'}) {
805: $ratio .= '/';
806: }
807: $ratio .= sprintf("%3.0f",$seq_max);
808: }
809: #
810: if (! $chosen_output->{'every_problem'}) {
811: $performance = '';
812: $performance_length=0;
813: }
814: $performance .= ' 'x($width{$symb}->{'width_total'} -
815: $performance_length -
816: $width{$symb}->{'width_sum'}).
817: $ratio;
818: #
819: $Str .= $performance.$padding;
820: #
821: $studentstats->{$symb}->{'score'}= $score;
822: $studentstats->{$symb}->{'max'} = $seq_max;
823: }
824: #
825: # Total it up and store the statistics info.
826: my ($score,$max);
827: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
828: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
829: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
830: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
831: }
832: if ($seq_stats->{'score'} ne ' ') {
833: $score += $seq_stats->{'score'};
834: $Statistics->{$symb}->{'num_students'}++;
835: }
836: $max += $seq_stats->{'max'};
837: }
838: if (! defined($score)) {
839: $score = ' ' x $total_sum_width;
840: } else {
841: $score = sprintf("%.0f",$score);
842: $score = (' 'x(3-length($score))).$score;
843: }
844: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
845: $Str .= " \n";
846: #
847: $r->print($Str);
848: #
849: $r->rflush();
850: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
851: return;
852: }
853:
854: sub html_finish {
855: my ($r) = @_;
856: return if (! defined($navmap));
857: #
858: # Check for suppressed output and close the progress window if so
859: $r->print("</pre>\n");
860: if ($chosen_output->{'summary_table'}) {
861: if ($single_student_mode) {
862: $r->print(&SingleStudentTotal());
863: } else {
864: $r->print(&StudentAverageTotal());
865: }
866: }
867: $r->rflush();
868: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
869: &html_cleanup();
870: return;
871: }
872:
873: sub StudentAverageTotal {
874: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
875: $Str .= '<table border=2 cellspacing="1">'."\n";
876: $Str .= '<tr>'.
877: '<th>'.&mt('Title').'</th>'.
878: '<th>'.&mt('Average').'</th>'.
879: '<th>'.&mt('Maximum').'</th>'.
880: '</tr>'.$/;
881: foreach my $seq (@sequences) {
882: my $symb = $seq->symb;
883: my $ave;
884: my $num_students = $Statistics->{$symb}->{'num_students'};
885: if ($num_students > 0) {
886: $ave = int(100*
887: ($Statistics->{$symb}->{'score'}/$num_students)
888: )/100;
889: } else {
890: $ave = 0;
891: }
892: my $max = $Statistics->{$symb}->{'max'};
893: $ave = sprintf("%.2f",$ave);
894: $Str .= '<tr><td>'.$seq->compTitle.'</td>'.
895: '<td align="right">'.$ave.' </td>'.
896: '<td align="right">'.$max.' '.'</td></tr>'."\n";
897: }
898: $Str .= "</table>\n";
899: return $Str;
900: }
901:
902: sub SingleStudentTotal {
903: return if (! defined($navmap));
904: my $student = &Apache::lonstatistics::current_student();
905: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2]@[_3])',
906: $student->{'fullname'},
907: $student->{'username'},$student->{'domain'}).'</h3>';
908: $Str .= $/;
909: $Str .= '<table border=2 cellspacing="1">'."\n";
910: $Str .=
911: '<tr>'.
912: '<th>'.&mt('Sequence or Folder').'</th>';
913: if ($chosen_output->{'base'} eq 'tries') {
914: $Str .= '<th>'.&mt('Parts Correct').'</th>';
915: } else {
916: $Str .= '<th>'.&mt('Score').'</th>';
917: }
918: $Str .= '<th>'.&mt('Maximum').'</th>'."</tr>\n";
919: my $total = 0;
920: my $total_max = 0;
921: foreach my $seq (@sequences) {
922: my $value = $Statistics->{$seq->symb}->{'score'};
923: my $max = $Statistics->{$seq->symb}->{'max'};
924: $Str .= '<tr><td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
925: '<td align="right">'.$value.'</td>'.
926: '<td align="right">'.$max.'</td></tr>'."\n";
927: $total += $value;
928: $total_max +=$max;
929: }
930: $Str .= '<tr><td><b>'.&mt('Total').'</b></td>'.
931: '<td align="right">'.$total.'</td>'.
932: '<td align="right">'.$total_max."</td></tr>\n";
933: $Str .= "</table>\n";
934: return $Str;
935: }
936:
937: }
938:
939: #######################################################
940: #######################################################
941:
942: =pod
943:
944: =head2 EXCEL subroutines
945:
946: =item &excel_initialize($r)
947:
948: =item &excel_outputstudent($r,$student)
949:
950: =item &excel_finish($r)
951:
952: =cut
953:
954: #######################################################
955: #######################################################
956: {
957:
958: my $excel_sheet;
959: my $excel_workbook;
960: my $format;
961:
962: my $filename;
963: my $rows_output;
964: my $cols_output;
965:
966: my %prog_state; # progress window state
967: my $request_aborted;
968:
969: my $total_formula;
970: my $maximum_formula;
971: my %formula_data;
972:
973: my $navmap;
974: my @sequences;
975:
976: sub excel_cleanup {
977: #
978: undef ($excel_sheet);
979: undef ($excel_workbook);
980: undef ($filename);
981: undef ($rows_output);
982: undef ($cols_output);
983: undef (%prog_state);
984: undef ($request_aborted);
985: undef ($total_formula);
986: undef ($maximum_formula);
987: #
988: undef(%formula_data);
989: #
990: undef($navmap);
991: undef(@sequences);
992: }
993:
994: sub excel_initialize {
995: my ($r) = @_;
996:
997: &excel_cleanup();
998: ($navmap,@sequences) =
999: &Apache::lonstatistics::selected_sequences_with_assessments();
1000: if (! ref($navmap)) {
1001: # Unable to get data, so bail out
1002: $r->print("<h3>".
1003: &mt('Unable to retrieve course information.').
1004: '</h3>');
1005: }
1006: #
1007: my $total_columns = scalar(&get_student_fields_to_show());
1008: my $num_students = scalar(@Apache::lonstatistics::Students);
1009: #
1010: foreach my $seq (@sequences) {
1011: if ($chosen_output->{'every_problem'}) {
1012: $total_columns+=&count_parts($navmap,$seq);
1013: }
1014: # Add 2 because we need a 'sequence_sum' and 'total' column for each
1015: $total_columns += 2;
1016: }
1017: my $too_many_cols_error_message =
1018: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
1019: '<p>'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
1020: '<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
1021: '<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
1022: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1023: $r->print($too_many_cols_error_message);
1024: $request_aborted = 1;
1025: }
1026: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1027: $r->print($too_many_cols_error_message);
1028: $request_aborted = 1;
1029: }
1030: return if ($request_aborted);
1031: #
1032: #
1033: $excel_workbook = undef;
1034: $excel_sheet = undef;
1035: #
1036: $rows_output = 0;
1037: $cols_output = 0;
1038: #
1039: # Determine rows
1040: my $header_row = $rows_output++;
1041: my $description_row = $rows_output++;
1042: my $notes_row = $rows_output++;
1043: $rows_output++; # blank row
1044: my $summary_header_row;
1045: if ($chosen_output->{'summary_table'}) {
1046: $summary_header_row = $rows_output++;
1047: $rows_output+= scalar(@sequences);
1048: $rows_output++;
1049: }
1050: my $sequence_name_row = $rows_output++;
1051: my $resource_name_row = $rows_output++;
1052: my $maximum_data_row = $rows_output++;
1053: if (! $chosen_output->{'maximum_row'}) {
1054: $rows_output--;
1055: }
1056: my $first_data_row = $rows_output++;
1057: #
1058: # Create sheet
1059: ($excel_workbook,$filename,$format)=
1060: &Apache::loncommon::create_workbook($r);
1061: return if (! defined($excel_workbook));
1062: #
1063: # Add a worksheet
1064: my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
1065: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1066: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1067: #
1068: # Put the course description in the header
1069: $excel_sheet->write($header_row,$cols_output++,
1070: $env{'course.'.$env{'request.course.id'}.'.description'},
1071: $format->{'h1'});
1072: $cols_output += 3;
1073: #
1074: # Put a description of the sections listed
1075: my $sectionstring = '';
1076: my @Sections = &Apache::lonstatistics::get_selected_sections();
1077: $excel_sheet->write($header_row,$cols_output++,
1078: &Apache::lonstatistics::section_and_enrollment_description('plaintext'),
1079: $format->{'h3'});
1080: #
1081: # Put the date in there too
1082: $excel_sheet->write($header_row,$cols_output++,
1083: 'Compiled on '.localtime(time),$format->{'h3'});
1084: #
1085: $cols_output = 0;
1086: $excel_sheet->write($description_row,$cols_output++,
1087: $chosen_output->{'shortdesc'},
1088: $format->{'b'});
1089: #
1090: $cols_output = 0;
1091: $excel_sheet->write($notes_row,$cols_output++,
1092: $chosen_output->{'non_html_notes'},
1093: $format->{'i'});
1094:
1095: ##############################################
1096: # Output headings for the raw data
1097: ##############################################
1098: #
1099: # Add the student headers
1100: $cols_output = 0;
1101: foreach my $field (&get_student_fields_to_show()) {
1102: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1103: $format->{'bold'});
1104: }
1105: #
1106: # Add the remaining column headers
1107: my $total_formula_string = '=0';
1108: my $maximum_formula_string = '=0';
1109: foreach my $seq (@sequences) {
1110: my $symb = $seq->symb;
1111: $excel_sheet->write($sequence_name_row,,
1112: $cols_output,$seq->compTitle,$format->{'bold'});
1113: # Determine starting cell
1114: $formula_data{$symb}->{'Excel:startcell'}=
1115: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1116: ($first_data_row,$cols_output);
1117: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1118: my $count = 0;
1119: if ($chosen_output->{'every_problem'}) {
1120: # Put the names of the problems and parts into the sheet
1121: foreach my $res (&get_resources($navmap,$seq)) {
1122: if (scalar(@{$res->parts}) > 1) {
1123: foreach my $part (@{$res->parts}) {
1124: $excel_sheet->write($resource_name_row,
1125: $cols_output++,
1126: $res->compTitle.' part '.$res->part_display($part),
1127: $format->{'bold'});
1128: $count++;
1129: }
1130: } else {
1131: $excel_sheet->write($resource_name_row,
1132: $cols_output++,
1133: $res->compTitle,$format->{'bold'});
1134: $count++;
1135: }
1136: }
1137: }
1138: # Determine ending cell
1139: if ($count <= 1) {
1140: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1141: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1142: } else {
1143: $formula_data{$symb}->{'Excel:endcell'} =
1144: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1145: ($first_data_row,$cols_output-1);
1146: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1147: }
1148: # Create the formula for summing up this sequence
1149: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1150: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1151: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1152: }
1153:
1154: my $start = $formula_data{$symb}->{'Excel:startcell'};
1155: my $end = $formula_data{$symb}->{'Excel:endcell'};
1156: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1157: ("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
1158: # Determine cell the score is held in
1159: $formula_data{$symb}->{'Excel:scorecell'} =
1160: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1161: ($first_data_row,$cols_output);
1162: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1163: if ($chosen_output->{'base'} eq 'parts correct total') {
1164: $excel_sheet->write($resource_name_row,$cols_output++,
1165: 'parts correct',
1166: $format->{'bold'});
1167: } elsif ($chosen_output->{'sequence_sum'}) {
1168: if ($chosen_output->{'correct'}) {
1169: # Only reporting the number correct, so do not call it score
1170: $excel_sheet->write($resource_name_row,$cols_output++,
1171: 'sum',
1172: $format->{'bold'});
1173: } else {
1174: $excel_sheet->write($resource_name_row,$cols_output++,
1175: 'score',
1176: $format->{'bold'});
1177: }
1178: }
1179: #
1180: $total_formula_string.='+'.
1181: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1182: ($first_data_row,$cols_output-1);
1183: if ($chosen_output->{'sequence_max'}) {
1184: $excel_sheet->write($resource_name_row,$cols_output,
1185: 'maximum',
1186: $format->{'bold'});
1187: $formula_data{$symb}->{'Excel:maxcell'} =
1188: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1189: ($first_data_row,$cols_output);
1190: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1191: $maximum_formula_string.='+'.
1192: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1193: ($first_data_row,$cols_output);
1194: $cols_output++;
1195:
1196: }
1197: }
1198: if ($chosen_output->{'grand_total'}) {
1199: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1200: $format->{'bold'});
1201: }
1202: if ($chosen_output->{'grand_maximum'}) {
1203: $excel_sheet->write($resource_name_row,$cols_output++,'Max. Total',
1204: $format->{'bold'});
1205: }
1206: $total_formula = $excel_sheet->store_formula($total_formula_string);
1207: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1208: ##############################################
1209: # Output a row for MAX, if appropriate
1210: ##############################################
1211: if ($chosen_output->{'maximum_row'}) {
1212: $cols_output = 0;
1213: foreach my $field (&get_student_fields_to_show()) {
1214: if ($field eq 'username' || $field eq 'fullname' ||
1215: $field eq 'id') {
1216: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1217: $format->{'bold'});
1218: } else {
1219: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1220: }
1221: }
1222: #
1223: # Add the maximums for each sequence or assessment
1224: my %total_cell_translation;
1225: my %maximum_cell_translation;
1226: foreach my $seq (@sequences) {
1227: my $symb = $seq->symb;
1228: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1229: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1230: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1231: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1232: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1233: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1234: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1235: my $weight;
1236: my $max = 0;
1237: foreach my $resource (&get_resources($navmap,$seq)) {
1238: foreach my $part (@{$resource->parts}){
1239: $weight = 1;
1240: if ($chosen_output->{'scores'}) {
1241: $weight = &Apache::lonnet::EXT
1242: ('resource.'.$part.'.weight',$resource->symb,
1243: undef,undef,undef);
1244: if (!defined($weight) || ($weight eq '')) {
1245: $weight=1;
1246: }
1247: }
1248: if ($chosen_output->{'scores'} &&
1249: $chosen_output->{'every_problem'}) {
1250: $excel_sheet->write($maximum_data_row,$cols_output++,
1251: $weight);
1252: }
1253: $max += $weight;
1254: }
1255: }
1256: #
1257: if ($chosen_output->{'sequence_sum'} &&
1258: $chosen_output->{'every_problem'}) {
1259: my %replaceCells=
1260: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1261: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1262: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1263: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1264: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1265: $formula_data{$symb}->{'Excel:sum'},undef,
1266: %replaceCells, %replaceCells);
1267:
1268: } elsif ($chosen_output->{'sequence_sum'}) {
1269: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1270: }
1271: if ($chosen_output->{'sequence_max'}) {
1272: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1273: }
1274: #
1275: }
1276: if ($chosen_output->{'grand_total'}) {
1277: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1278: $total_formula,undef,
1279: %total_cell_translation);
1280: }
1281: if ($chosen_output->{'grand_maximum'}) {
1282: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1283: $maximum_formula,undef,
1284: %maximum_cell_translation);
1285: }
1286: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1287: $rows_output = $first_data_row;
1288: ##############################################
1289: # Output summary table, which actually is above the sequence name row.
1290: ##############################################
1291: if ($chosen_output->{'summary_table'}) {
1292: $cols_output = 0;
1293: $excel_sheet->write($summary_header_row,$cols_output++,
1294: 'Summary Table',$format->{'bold'});
1295: if ($chosen_output->{'maximum_row'}) {
1296: $excel_sheet->write($summary_header_row,$cols_output++,
1297: 'Maximum',$format->{'bold'});
1298: }
1299: $excel_sheet->write($summary_header_row,$cols_output++,
1300: 'Average',$format->{'bold'});
1301: $excel_sheet->write($summary_header_row,$cols_output++,
1302: 'Median',$format->{'bold'});
1303: $excel_sheet->write($summary_header_row,$cols_output++,
1304: 'Std Dev',$format->{'bold'});
1305: my $row = $summary_header_row+1;
1306: foreach my $seq (@sequences) {
1307: my $symb = $seq->symb;
1308: $cols_output = 0;
1309: $excel_sheet->write($row,$cols_output++,
1310: $seq->compTitle,
1311: $format->{'bold'});
1312: if ($chosen_output->{'maximum_row'}) {
1313: $excel_sheet->write
1314: ($row,$cols_output++,
1315: '='.
1316: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1317: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1318: );
1319: }
1320: my $range =
1321: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1322: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1323: ':'.
1324: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1325: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1326: $excel_sheet->write($row,$cols_output++,
1327: '=AVERAGE('.$range.')');
1328: $excel_sheet->write($row,$cols_output++,
1329: '=MEDIAN('.$range.')');
1330: $excel_sheet->write($row,$cols_output++,
1331: '=STDEV('.$range.')');
1332: $row++;
1333: }
1334: }
1335: ##############################################
1336: # Take care of non-excel initialization
1337: ##############################################
1338: #
1339: # Let the user know what we are doing
1340: my $studentcount = scalar(@Apache::lonstatistics::Students);
1341: if ($env{'form.SelectedStudent'}) {
1342: $studentcount = '1';
1343: }
1344: if ($studentcount > 1) {
1345: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1346: $studentcount)."</h1>\n");
1347: } else {
1348: $r->print('<h1>'.
1349: &mt('Compiling Excel spreadsheet for 1 student').
1350: "</h1>\n");
1351: }
1352: $r->rflush();
1353: #
1354: # Initialize progress window
1355: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1356: ($r,'Excel File Compilation Status',
1357: 'Excel File Compilation Progress', $studentcount,
1358: 'inline',undef,'Statistics','stats_status');
1359: #
1360: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1361: 'Processing first student');
1362: return;
1363: }
1364:
1365: sub excel_outputstudent {
1366: my ($r,$student) = @_;
1367: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1368: return;
1369: }
1370: $cols_output=0;
1371: #
1372: # Write out student data
1373: my @to_show = &get_student_fields_to_show();
1374: foreach my $field (@to_show) {
1375: my $value = $student->{$field};
1376: if ($field eq 'comments') {
1377: $value = &Apache::lonmsg::retrieve_instructor_comments
1378: ($student->{'username'},$student->{'domain'});
1379: }
1380: $excel_sheet->write($rows_output,$cols_output++,$value);
1381: }
1382: #
1383: # Get student assessment data
1384: my %StudentsData;
1385: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1386: $student->{'domain'},
1387: undef,
1388: $env{'request.course.id'});
1389: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1390: %StudentsData = @tmp;
1391: }
1392: #
1393: # Write out sequence scores and totals data
1394: my %total_cell_translation;
1395: my %maximum_cell_translation;
1396: foreach my $seq (@sequences) {
1397: my $symb = $seq->symb;
1398: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1399: # Keep track of cells to translate in total cell
1400: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1401: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1402: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1403: # and maximum cell
1404: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1405: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1406: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1407: #
1408: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1409: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1410: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1411: &student_tries_on_sequence($student,\%StudentsData,
1412: $navmap,$seq,'no');
1413: } else {
1414: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1415: &student_performance_on_sequence($student,\%StudentsData,
1416: $navmap,$seq,'no',
1417: $chosen_output->{ignore_weight});
1418: }
1419: if ($chosen_output->{'every_problem'}) {
1420: if ($chosen_output->{'correct'}) {
1421: # only indiciate if each item is correct or not
1422: foreach my $value (@$rawdata) {
1423: # positive means correct, 0 or negative means
1424: # incorrect
1425: $value = $value > 0 ? 1 : 0;
1426: $excel_sheet->write($rows_output,$cols_output++,$value);
1427: }
1428: } else {
1429: foreach my $value (@$rawdata) {
1430: if ($score eq ' ' || !defined($value)) {
1431: $cols_output++;
1432: } else {
1433: $excel_sheet->write($rows_output,$cols_output++,
1434: $value);
1435: }
1436: }
1437: }
1438: }
1439: if ($chosen_output->{'sequence_sum'} &&
1440: $chosen_output->{'every_problem'}) {
1441: # Write a formula for the sum of this sequence
1442: my %replaceCells=
1443: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1444: =>
1445: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1446: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1447: );
1448: # The undef is for the format
1449: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1450: $formula_data{$symb}->{'Excel:sum'},undef,
1451: %replaceCells, %replaceCells);
1452: } elsif ($chosen_output->{'sequence_sum'}) {
1453: if ($score eq ' ') {
1454: $cols_output++;
1455: } else {
1456: $excel_sheet->write($rows_output,$cols_output++,$score);
1457: }
1458: }
1459: if ($chosen_output->{'sequence_max'}) {
1460: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1461: }
1462: }
1463: #
1464: if ($chosen_output->{'grand_total'}) {
1465: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1466: $total_formula,undef,
1467: %total_cell_translation);
1468: }
1469: if ($chosen_output->{'grand_maximum'}) {
1470: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1471: $maximum_formula,undef,
1472: %maximum_cell_translation);
1473: }
1474: #
1475: # Bookkeeping
1476: $rows_output++;
1477: $cols_output=0;
1478: #
1479: # Update the progress window
1480: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1481: return;
1482: }
1483:
1484: sub excel_finish {
1485: my ($r) = @_;
1486: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1487: &excel_cleanup();
1488: return;
1489: }
1490: #
1491: # Write the excel file
1492: $excel_workbook->close();
1493: #
1494: # Close the progress window
1495: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1496: #
1497: # Tell the user where to get their excel file
1498: $r->print('<br />'.
1499: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1500: $r->rflush();
1501: &excel_cleanup();
1502: return;
1503: }
1504:
1505: }
1506: #######################################################
1507: #######################################################
1508:
1509: =pod
1510:
1511: =head2 CSV output routines
1512:
1513: =item &csv_initialize($r)
1514:
1515: =item &csv_outputstudent($r,$student)
1516:
1517: =item &csv_finish($r)
1518:
1519: =cut
1520:
1521: #######################################################
1522: #######################################################
1523: {
1524:
1525: my $outputfile;
1526: my $filename;
1527: my $request_aborted;
1528: my %prog_state; # progress window state
1529: my $navmap;
1530: my @sequences;
1531:
1532: sub csv_cleanup {
1533: undef($outputfile);
1534: undef($filename);
1535: undef($request_aborted);
1536: undef(%prog_state);
1537: #
1538: undef($navmap);
1539: undef(@sequences);
1540: }
1541:
1542: sub csv_initialize{
1543: my ($r) = @_;
1544:
1545: &csv_cleanup();
1546: ($navmap,@sequences) =
1547: &Apache::lonstatistics::selected_sequences_with_assessments();
1548: if (! ref($navmap)) {
1549: # Unable to get data, so bail out
1550: $r->print("<h3>".
1551: &mt('Unable to retrieve course information.').
1552: '</h3>');
1553: }
1554: #
1555: # Deal with unimplemented requests
1556: $request_aborted = undef;
1557: if ($chosen_output->{'base'} =~ /final table/) {
1558: $r->print(<<END);
1559: <h2>Unable to Complete Request</h2>
1560: <p>
1561: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1562: </p>
1563: END
1564: $request_aborted = 1;
1565: }
1566: return if ($request_aborted);
1567: #
1568: # Initialize progress window
1569: my $studentcount = scalar(@Apache::lonstatistics::Students);
1570: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1571: ($r,'CSV File Compilation Status',
1572: 'CSV File Compilation Progress', $studentcount,
1573: 'inline',undef,'Statistics','stats_status');
1574: #
1575: # Open a file
1576: ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
1577: if (! defined($outputfile)) { return ''; }
1578: #
1579: # Datestamp
1580: my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
1581: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1582: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1583: "\n";
1584: print $outputfile '"'.
1585: &Apache::loncommon::csv_translate
1586: (&Apache::lonstatistics::section_and_enrollment_description()).
1587: '"'."\n";
1588: foreach my $item ('shortdesc','non_html_notes') {
1589: next if (! exists($chosen_output->{$item}));
1590: print $outputfile
1591: '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
1592: "\n";
1593: }
1594: #
1595: # Print out the headings
1596: my $sequence_row = '';
1597: my $resource_row = undef;
1598: foreach my $field (&get_student_fields_to_show()) {
1599: $sequence_row .='"",';
1600: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1601: }
1602: foreach my $seq (@sequences) {
1603: $sequence_row .= '"'.
1604: &Apache::loncommon::csv_translate($seq->compTitle).'",';
1605: my $count = 0;
1606: if ($chosen_output->{'every_problem'}) {
1607: foreach my $res (&get_resources($navmap,$seq)) {
1608: if (scalar(@{$res->parts}) < 1) {
1609: next;
1610: }
1611: foreach my $part (@{$res->parts}) {
1612: $resource_row .= '"'.
1613: &Apache::loncommon::csv_translate
1614: ($res->compTitle.', Part '.$res->part_display($part)).'",';
1615: $count++;
1616: }
1617: }
1618: }
1619: $sequence_row.='"",'x$count;
1620: if ($chosen_output->{'sequence_sum'}) {
1621: if($chosen_output->{'correct'}) {
1622: $resource_row .= '"sum",';
1623: } else {
1624: $resource_row .= '"score",';
1625: }
1626: }
1627: if ($chosen_output->{'sequence_max'}) {
1628: $sequence_row.= '"",';
1629: $resource_row .= '"maximum possible",';
1630: }
1631: }
1632: if ($chosen_output->{'grand_total'}) {
1633: $sequence_row.= '"",';
1634: $resource_row.= '"Total",';
1635: }
1636: if ($chosen_output->{'grand_maximum'}) {
1637: $sequence_row.= '"",';
1638: $resource_row.= '"Maximum",';
1639: }
1640: chomp($sequence_row);
1641: chomp($resource_row);
1642: print $outputfile $sequence_row."\n";
1643: print $outputfile $resource_row."\n";
1644: return;
1645: }
1646:
1647: sub csv_outputstudent {
1648: my ($r,$student) = @_;
1649: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1650: return;
1651: }
1652: my $Str = '';
1653: #
1654: # Output student fields
1655: my @to_show = &get_student_fields_to_show();
1656: foreach my $field (@to_show) {
1657: my $value = $student->{$field};
1658: if ($field eq 'comments') {
1659: $value = &Apache::lonmsg::retrieve_instructor_comments
1660: ($student->{'username'},$student->{'domain'});
1661: }
1662: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1663: }
1664: #
1665: # Get student assessment data
1666: my %StudentsData;
1667: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1668: $student->{'domain'},
1669: undef,
1670: $env{'request.course.id'});
1671: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1672: %StudentsData = @tmp;
1673: }
1674: #
1675: # Output performance data
1676: my $total = 0;
1677: my $maximum = 0;
1678: foreach my $seq (@sequences) {
1679: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1680: if ($chosen_output->{'tries'}){
1681: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1682: &student_tries_on_sequence($student,\%StudentsData,
1683: $navmap,$seq,'no');
1684: } else {
1685: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1686: &student_performance_on_sequence($student,\%StudentsData,
1687: $navmap,$seq,'no',
1688: $chosen_output->{ignore_weight});
1689: }
1690: if ($chosen_output->{'every_problem'}) {
1691: if ($chosen_output->{'correct'}) {
1692: $score = 0;
1693: # Deal with number of parts correct data
1694: $Str .= '"'.join('","',( map { if ($_>0) {
1695: $score += 1;
1696: 1;
1697: } else {
1698: 0;
1699: }
1700: } @$rawdata)).'",';
1701: } else {
1702: $Str .= '"'.join('","',(@$rawdata)).'",';
1703: }
1704: }
1705: if ($chosen_output->{'sequence_sum'}) {
1706: $Str .= '"'.$score.'",';
1707: }
1708: if ($chosen_output->{'sequence_max'}) {
1709: $Str .= '"'.$seq_max.'",';
1710: }
1711: $total+=$score;
1712: $maximum += $seq_max;
1713: }
1714: if ($chosen_output->{'grand_total'}) {
1715: $Str .= '"'.$total.'",';
1716: }
1717: if ($chosen_output->{'grand_maximum'}) {
1718: $Str .= '"'.$maximum.'",';
1719: }
1720: chop($Str);
1721: $Str .= "\n";
1722: print $outputfile $Str;
1723: #
1724: # Update the progress window
1725: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1726: return;
1727: }
1728:
1729: sub csv_finish {
1730: my ($r) = @_;
1731: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1732: &csv_cleanup();
1733: return;
1734: }
1735: close($outputfile);
1736: #
1737: # Close the progress window
1738: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1739: #
1740: # Tell the user where to get their csv file
1741: $r->print('<br />'.
1742: '<a href="'.$filename.'">'.&mt('Your csv file.').'</a>'."\n");
1743: $r->rflush();
1744: &csv_cleanup();
1745: return;
1746:
1747: }
1748:
1749: }
1750:
1751: #######################################################
1752: #######################################################
1753:
1754: =pod
1755:
1756: =item &StudentTriesOnSequence()
1757:
1758: Inputs:
1759:
1760: =over 4
1761:
1762: =item $student
1763:
1764: =item $studentdata Hash ref to all student data
1765:
1766: =item $seq Hash ref, the sequence we are working on
1767:
1768: =item $links if defined we will output links to each resource.
1769:
1770: =back
1771:
1772: =cut
1773:
1774: #######################################################
1775: #######################################################
1776: sub student_tries_on_sequence {
1777: my ($student,$studentdata,$navmap,$seq,$links) = @_;
1778: $links = 'no' if (! defined($links));
1779: my $Str = '';
1780: my ($sum,$max) = (0,0);
1781: my $performance_length = 0;
1782: my @TriesData = ();
1783: my $tries;
1784: my $hasdata = 0; # flag - true if the student has any data on the sequence
1785: foreach my $resource (&get_resources($navmap,$seq)) {
1786: my $resource_data = $studentdata->{$resource->symb};
1787: my $value = '';
1788: foreach my $partnum (@{$resource->parts()}) {
1789: $tries = undef;
1790: $max++;
1791: $performance_length++;
1792: my $symbol = ' '; # default to space
1793: #
1794: my $awarded = 0;
1795: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1796: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1797: $awarded = 0 if (! $awarded);
1798: }
1799: #
1800: my $status = '';
1801: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1802: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1803: }
1804: #
1805: my $tries = 0;
1806: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1807: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1808: $hasdata =1;
1809: }
1810: #
1811: if ($awarded > 0) {
1812: # The student has gotten the problem correct to some degree
1813: if ($status eq 'excused') {
1814: $symbol = 'x';
1815: $max--;
1816: } elsif ($status eq 'correct_by_override') {
1817: $symbol = '+';
1818: $sum++;
1819: } elsif ($tries > 0) {
1820: if ($tries > 9) {
1821: $symbol = '*';
1822: } else {
1823: $symbol = $tries;
1824: }
1825: $sum++;
1826: } else {
1827: $symbol = '+';
1828: $sum++;
1829: }
1830: } else {
1831: # The student has the problem incorrect or it is ungraded
1832: if ($status eq 'excused') {
1833: $symbol = 'x';
1834: $max--;
1835: } elsif ($status eq 'incorrect_by_override') {
1836: $symbol = '-';
1837: } elsif ($status eq 'ungraded_attempted') {
1838: $symbol = 'u';
1839: } elsif ($status eq 'incorrect_attempted' ||
1840: $tries > 0) {
1841: $symbol = '.';
1842: } else {
1843: # Problem is wrong and has not been attempted.
1844: $symbol=' ';
1845: }
1846: }
1847: #
1848: if (! defined($tries)) {
1849: $tries = 0;
1850: }
1851: if ($status =~ /^(incorrect|ungraded)/) {
1852: # Bug 3390: show '-' for tries on incorrect problems
1853: # (csv & excel only)
1854: push(@TriesData,-$tries);
1855: } else {
1856: push (@TriesData,$tries);
1857: }
1858: #
1859: if ( ($links eq 'yes' && $symbol ne ' ') ||
1860: ($links eq 'all')) {
1861: if (length($symbol) > 1) {
1862: &Apache::lonnet::logthis('length of symbol "'.$symbol.'" > 1');
1863: }
1864: $symbol = '<a href="/adm/grades'.
1865: '?symb='.&Apache::lonnet::escape($resource->symb).
1866: '&student='.$student->{'username'}.
1867: '&userdom='.$student->{'domain'}.
1868: '&command=submission">'.$symbol.'</a>';
1869: }
1870: $value .= $symbol;
1871: }
1872: $Str .= $value;
1873: }
1874: if ($seq->randompick()) {
1875: $max = $seq->randompick();
1876: }
1877: if (! $hasdata && $sum == 0) {
1878: $sum = ' ';
1879: }
1880: return ($Str,$performance_length,$sum,$max,\@TriesData);
1881: }
1882:
1883: #######################################################
1884: #######################################################
1885:
1886: =pod
1887:
1888: =item &student_performance_on_sequence
1889:
1890: Inputs:
1891:
1892: =over 4
1893:
1894: =item $student
1895:
1896: =item $studentdata Hash ref to all student data
1897:
1898: =item $seq Hash ref, the sequence we are working on
1899:
1900: =item $links if defined we will output links to each resource.
1901:
1902: =back
1903:
1904: =cut
1905:
1906: #######################################################
1907: #######################################################
1908: sub student_performance_on_sequence {
1909: my ($student,$studentdata,$navmap,$seq,$links,$awarded_only) = @_;
1910: $links = 'no' if (! defined($links));
1911: my $Str = ''; # final result string
1912: my ($score,$max) = (0,0);
1913: my $performance_length = 0;
1914: my $symbol;
1915: my @ScoreData = ();
1916: my $partscore;
1917: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
1918: foreach my $resource (&get_resources($navmap,$seq)) {
1919: my $symb = $resource->symb;
1920: my $resource_data = $studentdata->{$symb};
1921: foreach my $part (@{$resource->parts()}) {
1922: $partscore = undef;
1923: my $weight;
1924: if (!$awarded_only){
1925: $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
1926: $symb,
1927: $student->{'domain'},
1928: $student->{'username'},
1929: $student->{'section'});
1930: }
1931: if (!defined($weight) || ($weight eq '')) {
1932: $weight=1;
1933: }
1934: #
1935: $max += $weight; # see the 'excused' branch below...
1936: $performance_length++; # one character per part
1937: $symbol = ' '; # default to space
1938: #
1939: my $awarded;
1940: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
1941: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
1942: $awarded = 0 if (! $awarded);
1943: $hasdata = 1;
1944: }
1945: #
1946: $partscore = &Apache::grades::compute_points($weight,$awarded);
1947: if (! defined($awarded)) {
1948: $partscore = undef;
1949: }
1950: $score += $partscore;
1951: $symbol = $partscore;
1952: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
1953: $symbol = sprintf("%.0f",$symbol);
1954: }
1955: if (length($symbol) > 1) {
1956: $symbol = '*';
1957: }
1958: if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
1959: $resource_data->{'resource.'.$part.'.solved'} ne '') {
1960: my $status = $resource_data->{'resource.'.$part.'.solved'};
1961: if ($status eq 'excused') {
1962: $symbol = 'x';
1963: $max -= $weight; # Do not count 'excused' problems.
1964: } elsif ($status eq 'ungraded_attempted') {
1965: $symbol = 'u';
1966: }
1967: $hasdata = 1;
1968: } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
1969: $symbol = 'd';
1970: $hasdata = 1;
1971: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
1972: # Unsolved. Did they try?
1973: if (exists($resource_data->{'resource.'.$part.'.tries'})){
1974: $symbol = '.';
1975: $hasdata = 1;
1976: } else {
1977: $symbol = ' ';
1978: }
1979: }
1980: #
1981: if (! defined($partscore)) {
1982: $partscore = $symbol;
1983: }
1984: push (@ScoreData,$partscore);
1985: #
1986: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
1987: $symbol = '<a href="/adm/grades'.
1988: '?symb='.&Apache::lonnet::escape($symb).
1989: '&student='.$student->{'username'}.
1990: '&userdom='.$student->{'domain'}.
1991: '&command=submission">'.$symbol.'</a>';
1992: }
1993: $Str .= $symbol;
1994: }
1995: }
1996: if (! $hasdata && $score == 0) {
1997: $score = ' ';
1998: }
1999: return ($Str,$performance_length,$score,$max,\@ScoreData);
2000: }
2001:
2002: #######################################################
2003: #######################################################
2004:
2005: =pod
2006:
2007: =item &CreateLegend()
2008:
2009: This function returns a formatted string containing the legend for the
2010: chart. The legend describes the symbols used to represent grades for
2011: problems.
2012:
2013: =cut
2014:
2015: #######################################################
2016: #######################################################
2017: sub CreateLegend {
2018: my $Str = "<p><pre>".
2019: " digit score or number of tries to get correct ".
2020: " * correct by student in more than 9 tries\n".
2021: " + correct by hand grading or override\n".
2022: " - incorrect by override\n".
2023: " . incorrect attempted\n".
2024: " u ungraded attempted\n".
2025: " d draft answer saved but not submitted\n".
2026: " not attempted (blank field)\n".
2027: " x excused".
2028: "</pre><p>";
2029: return $Str;
2030: }
2031:
2032: #######################################################
2033: #######################################################
2034:
2035: =pod
2036:
2037: =back
2038:
2039: =cut
2040:
2041: #######################################################
2042: #######################################################
2043:
2044: 1;
2045:
2046: __END__
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