1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.169.2.7.2.2 2023/09/08 00:56:04 raeburn Exp $
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: # 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 Apache::lonmsgdisplay();
61: use Time::HiRes;
62: use Spreadsheet::WriteExcel;
63: use Spreadsheet::WriteExcel::Utility();
64: use lib '/home/httpd/lib/perl/';
65: use LONCAPA;
66:
67:
68: #######################################################
69: #######################################################
70: =pod
71:
72: =item Package Variables
73:
74: =over 4
75:
76: =item $Statistics Hash ref to store student data. Indexed by symb,
77: contains hashes with keys 'score' and 'max'.
78:
79: =cut
80:
81: #######################################################
82: #######################################################
83:
84: my $Statistics;
85:
86: #######################################################
87: #######################################################
88:
89: =pod
90:
91: =item $show_links 'yes' or 'no' for linking to student performance data
92:
93: =item $output_mode 'html', 'excel', or 'csv' for output mode
94:
95: =item $show 'all', 'totals', or 'scores' determines how much data is output
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 $chosen_output;
107: my $single_student_mode;
108:
109: #######################################################
110: #######################################################
111: # End of package variable declarations
112:
113: =pod
114:
115: =back
116:
117: =cut
118:
119: #######################################################
120: #######################################################
121:
122: =pod
123:
124: =item &BuildStudentAssessmentPage()
125:
126: Inputs:
127:
128: =over 4
129:
130: =item $r Apache Request
131:
132: =item $c Apache Connection
133:
134: =back
135:
136: =cut
137:
138: #######################################################
139: #######################################################
140: sub BuildStudentAssessmentPage {
141: my ($r,$c)=@_;
142: #
143: undef($Statistics);
144: undef($show_links);
145: undef($output_mode);
146: undef($chosen_output);
147: undef($single_student_mode);
148: #
149: my %Saveable_Parameters = ('Status' => 'scalar',
150: 'chartoutputmode' => 'scalar',
151: 'chartoutputdata' => 'scalar',
152: 'Section' => 'array',
153: 'Groups' => 'array',
154: 'StudentData' => 'array',
155: 'Maps' => 'array');
156: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
157: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
158: #
159: &Apache::lonstatistics::PrepareClasslist();
160: #
161: $single_student_mode = 0;
162: $single_student_mode = 1 if ($env{'form.SelectedStudent'});
163: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
164: ['selectstudent']);
165: if ($env{'form.selectstudent'}) {
166: &Apache::lonstatistics::DisplayClasslist($r);
167: return;
168: }
169: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data'));
170:
171: #
172: # Print out the HTML headers for the interface
173: # This also parses the output mode selector
174: # This step must *always* be done.
175: $r->print(&CreateInterface());
176: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
177: $r->print('<input type="hidden" name="sort" value="'.
178: $env{'form.sort'}.'" />');
179: $r->rflush();
180: #
181: if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
182: return;
183: }
184: $r->print('<h4>'.
185: &Apache::lonstatistics::section_and_enrollment_description().
186: '</h4>');
187: #
188: my $initialize = \&html_initialize;
189: my $output_student = \&html_outputstudent;
190: my $finish = \&html_finish;
191: #
192: if ($output_mode eq 'excel') {
193: $initialize = \&excel_initialize;
194: $output_student = \&excel_outputstudent;
195: $finish = \&excel_finish;
196: } elsif ($output_mode eq 'csv') {
197: $initialize = \&csv_initialize;
198: $output_student = \&csv_outputstudent;
199: $finish = \&csv_finish;
200: }
201: #
202: if($c->aborted()) { return ; }
203: #
204: # Determine which students we want to look at
205: my @Students;
206: if ($single_student_mode) {
207: @Students = (&Apache::lonstatistics::current_student());
208: $r->print(&next_and_previous_buttons());
209: $r->rflush();
210: } else {
211: @Students = @Apache::lonstatistics::Students;
212: }
213: #
214: # Perform generic initialization tasks
215: # Since we use lonnet::EXT to retrieve problem weights,
216: # to ensure current data we must clear the caches out.
217: # This makes sure that parameter changes at the student level
218: # are immediately reflected in the chart.
219: &Apache::lonnet::clear_EXT_cache_status();
220: #
221: # Clean out loncoursedata's package data, just to be safe.
222: &Apache::loncoursedata::clear_internal_caches();
223: #
224: # Call the initialize routine selected above
225: $initialize->($r);
226: foreach my $student (@Students) {
227: if($c->aborted()) {
228: $finish->($r);
229: return ;
230: }
231: # Call the output_student routine selected above
232: $output_student->($r,$student);
233: }
234: # Call the "finish" routine selected above
235: $finish->($r);
236: #
237: return;
238: }
239:
240: #######################################################
241: #######################################################
242: sub next_and_previous_buttons {
243: my $Str = '';
244: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
245: $env{'form.SelectedStudent'}.'" />';
246: #
247: # Build the previous student link
248: my $previous = &Apache::lonstatistics::previous_student();
249: my $previousbutton = '';
250: if (defined($previous)) {
251: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
252: $previousbutton .= '<input type="button" value="'.
253: &mt('Previous Student ([_1])',
254: $previous->{'username'}.':'.$previous->{'domain'}).
255: '" onclick="document.Statistics.SelectedStudent.value='.
256: "'".$sname."'".';'.
257: 'document.Statistics.submit();" />';
258: } else {
259: $previousbutton .= '<input type="button" value="'.
260: &mt('Previous Student').'" disabled="disabled" />';
261: }
262: #
263: # Build the next student link
264: my $next = &Apache::lonstatistics::next_student();
265: my $nextbutton = '';
266: if (defined($next)) {
267: my $sname = $next->{'username'}.':'.$next->{'domain'};
268: $nextbutton .= '<input type="button" value="'.
269: &mt('Next Student ([_1])',
270: $next->{'username'}.':'.$next->{'domain'}).
271: '" onclick="document.Statistics.SelectedStudent.value='.
272: "'".$sname."'".';'.
273: 'document.Statistics.submit();" />';
274: } else {
275: $nextbutton .= '<input type="button" value="'.
276: &mt('Next Student').'" disabled="disabled" />';
277: }
278: #
279: # Build the 'all students' button
280: my $all = '';
281: $all .= '<input type="button" value="'.&mt('All Students').'" '.
282: ' onclick="document.Statistics.SelectedStudent.value='.
283: "''".';'.'document.Statistics.submit();" />';
284: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
285: return $Str;
286: }
287:
288: #######################################################
289: #######################################################
290:
291: sub get_student_fields_to_show {
292: my @to_show = @Apache::lonstatistics::SelectedStudentData;
293: foreach (@to_show) {
294: if ($_ eq 'all') {
295: @to_show = @Apache::lonstatistics::StudentDataOrder;
296: last;
297: }
298: }
299: return @to_show;
300: }
301:
302: #######################################################
303: #######################################################
304:
305: =pod
306:
307: =item &CreateInterface()
308:
309: Called by &BuildStudentAssessmentPage to create the top part of the
310: page which displays the chart.
311:
312: Inputs: None
313:
314: Returns: A string containing the HTML for the headers and top table for
315: the chart page.
316:
317: =cut
318:
319: #######################################################
320: #######################################################
321: sub CreateInterface {
322: my $Str = '';
323: $Str .= '<table cellspacing="5">'."\n";
324: $Str .= '<tr>';
325: $Str .= '<td align="center"><b>'.&mt('Sections').'</b>'.
326: &Apache::loncommon::help_open_topic("Chart_Sections").
327: '</td>';
328: $Str .= '<td align="center"><b>'.&mt('Groups').'</b>'.
329: '</td>';
330: $Str .= '<td align="center"><b>'.&mt('Student Data').'</b>'.
331: &Apache::loncommon::help_open_topic("Chart_Student_Data").
332: '</td>';
333: $Str .= '<td align="center"><b>'.&mt('Access Status').'</b>'.
334: &Apache::loncommon::help_open_topic("Chart_Enrollment_Status").
335: '</td>';
336: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b>'.
337: &Apache::loncommon::help_open_topic("Chart_Sequences").
338: '</td>';
339: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
340: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
341: '</td>';
342: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
343: &Apache::loncommon::help_open_topic("Chart_Output_Data").
344: '</td>';
345: $Str .= '</tr>'."\n";
346: #
347: $Str .= '<tr><td align="center">'."\n";
348: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
349: $Str .= '</td><td align="center">';
350: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
351: $Str .= '</td><td align="center">';
352: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
353: 5,undef);
354: $Str .= '</td><td>'."\n";
355: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
356: $Str .= '</td><td>'."\n";
357: $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
358: $Str .= '</td><td>'."\n";
359: $Str .= &CreateAndParseOutputSelector();
360: $Str .= '</td><td>'."\n";
361: $Str .= &CreateAndParseOutputDataSelector();
362: $Str .= '</td></tr>'."\n";
363: $Str .= '</table>'."\n";
364: $Str .= '<input type="submit" name="selectstudent" value="'.
365: &mt('Select One Student').'" />';
366: $Str .= ' 'x5;
367: $Str .= '<input type="submit" name="ClearCache" value="'.
368: &mt('Clear Caches').'" />';
369: $Str .= '<p>'
370: .'<input type="submit" name="Generate Chart"'
371: .' value="'.&mt('Generate Chart').'" />'
372: .'</p>';
373: return $Str;
374: }
375:
376: #######################################################
377: #######################################################
378:
379: =pod
380:
381: =item &CreateAndParseOutputSelector()
382:
383: =cut
384:
385: #######################################################
386: #######################################################
387: my @OutputOptions =
388: ({ name => 'HTML, with links',
389: value => 'html, with links',
390: description => 'Output HTML with each symbol linked to the problem '.
391: 'which generated it.',
392: mode => 'html',
393: show_links => 'yes',
394: },
395: { name => 'HTML, with all links',
396: value => 'html, with all links',
397: description => 'Output HTML with each symbol linked to the problem '.
398: 'which generated it. '.
399: 'This includes links for unattempted problems.',
400: mode => 'html',
401: show_links => 'all',
402: },
403: { name => 'HTML, without links',
404: value => 'html, without links',
405: description => 'Output HTML. By not including links, the size of the'.
406: ' web page is greatly reduced. If your browser crashes on the '.
407: 'full display, try this.',
408: mode => 'html',
409: show_links => 'no',
410: },
411: { name => 'Excel',
412: value => 'excel',
413: description => 'Output an Excel file (compatable with Excel 95).',
414: mode => 'excel',
415: show_links => 'no',
416: },
417: { name => 'CSV',
418: value => 'csv',
419: description => 'Output a comma separated values file suitable for '.
420: 'import into a spreadsheet program. Using this method as opposed '.
421: 'to Excel output allows you to organize your data before importing'.
422: ' it into a spreadsheet program.',
423: mode => 'csv',
424: show_links => 'no',
425: },
426: );
427:
428: sub OutputDescriptions {
429: my $Str = '';
430: $Str .= '<h2>'.&mt('Output Formats')."</h2>\n";
431: $Str .= "<dl>\n";
432: foreach my $outputmode (@OutputOptions) {
433: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
434: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
435: }
436: $Str .= "</dl>\n";
437: return $Str;
438: }
439:
440: sub CreateAndParseOutputSelector {
441: my $Str = '';
442: my $elementname = 'chartoutputmode';
443: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
444: [$elementname]);
445: #
446: # Format for output options is 'mode, restrictions';
447: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
448: $selected = 'html, without links' if (!$selected);
449:
450: #
451: # Set package variables describing output mode
452: $show_links = 'no';
453: $output_mode = 'html';
454: foreach my $option (@OutputOptions) {
455: next if ($option->{'value'} ne $selected);
456: $output_mode = $option->{'mode'};
457: $show_links = $option->{'show_links'};
458: }
459:
460: #
461: # Build the form element
462: $Str = qq/<select size="5" name="$elementname">/;
463: foreach my $option (@OutputOptions) {
464: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
465: $Str .= ' selected="selected"' if ($option->{'value'} eq $selected);
466: $Str .= ">".&mt($option->{'name'})."<\/option>";
467: }
468: $Str .= "\n</select>";
469: return $Str;
470: }
471:
472: ##
473: ## Data selector stuff
474: ##
475: my @OutputDataOptions =
476: (
477: { name => 'Scores Summary',
478: base => 'scores',
479: value => 'sum and total',
480: scores => 1,
481: tries => 0,
482: every_problem => 0,
483: sequence_sum => 1,
484: sequence_max => 1,
485: grand_total => 1,
486: grand_maximum => 1,
487: summary_table => 1,
488: maximum_row => 1,
489: ignore_weight => 0,
490: shortdesc => 'Total Score and Maximum Possible for each '.
491: 'Sequence or Folder',
492: longdesc => 'The score of each student as well as the '.
493: ' maximum possible on each Sequence or Folder.',
494: },
495: { name => 'Scores Per Problem',
496: base => 'scores',
497: value => 'scores',
498: scores => 1,
499: tries => 0,
500: correct => 0,
501: every_problem => 1,
502: sequence_sum => 1,
503: sequence_max => 1,
504: grand_total => 1,
505: grand_maximum => 1,
506: summary_table => 1,
507: maximum_row => 1,
508: ignore_weight => 0,
509: shortdesc => 'Score on each Problem Part',
510: longdesc =>'The students score on each problem part, computed as'.
511: 'the part weight * part awarded',
512: },
513: { name =>'Tries',
514: base =>'tries',
515: value => 'tries',
516: scores => 0,
517: tries => 1,
518: correct => 0,
519: every_problem => 1,
520: sequence_sum => 0,
521: sequence_max => 0,
522: grand_total => 0,
523: grand_maximum => 0,
524: summary_table => 0,
525: maximum_row => 0,
526: ignore_weight => 0,
527: shortdesc => 'Number of Tries before success on each Problem Part',
528: longdesc =>'The number of tries before success on each problem part.',
529: non_html_notes => 'negative values indicate an incorrect problem',
530: },
531: { name =>'Parts Correct',
532: base =>'tries',
533: value => 'parts correct total',
534: scores => 0,
535: tries => 0,
536: correct => 1,
537: every_problem => 1,
538: sequence_sum => 1,
539: sequence_max => 1,
540: grand_total => 1,
541: grand_maximum => 1,
542: summary_table => 1,
543: maximum_row => 0,
544: ignore_weight => 1,
545: shortdesc => 'Number of Problem Parts completed successfully',
546: longdesc => 'The Number of Problem Parts completed successfully and '.
547: 'the maximum possible for each student',
548: },
549: );
550:
551: sub HTMLifyOutputDataDescriptions {
552: my $Str = '';
553: $Str .= '<h2>'.&mt('Output Data').'</h2>'."\n";
554: $Str .= "<dl>\n";
555: foreach my $option (@OutputDataOptions) {
556: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
557: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
558: }
559: $Str .= "</dl>\n";
560: return $Str;
561: }
562:
563: sub CreateAndParseOutputDataSelector {
564: my $Str = '';
565: my $elementname = 'chartoutputdata';
566: #
567: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
568: $selected = 'scores' if (!$selected);
569:
570: #
571: $chosen_output = $OutputDataOptions[0];
572: foreach my $option (@OutputDataOptions) {
573: if ($option->{'value'} eq $selected) {
574: $chosen_output = $option;
575: }
576: }
577: #
578: # Build the form element
579: $Str = qq/<select size="5" name="$elementname">/;
580: foreach my $option (@OutputDataOptions) {
581: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
582: $Str .= ' selected="selected"' if ($option->{'value'} eq $chosen_output->{'value'});
583: $Str .= ">".&mt($option->{'name'})."<\/option>";
584: }
585: $Str .= "\n</select>";
586: return $Str;
587:
588: }
589:
590: #######################################################
591: #######################################################
592: sub count_parts {
593: my ($navmap,$sequence) = @_;
594: my @resources = &get_resources($navmap,$sequence);
595: my $count = 0;
596: foreach my $res (@resources) {
597: $count += scalar(@{$res->parts});
598: }
599: return $count;
600: }
601:
602: sub get_resources {
603: my ($navmap,$sequence) = @_;
604: my @resources = $navmap->retrieveResources($sequence,
605: sub { shift->is_gradable(); },
606: 0,0,0);
607: return @resources;
608: }
609:
610: #######################################################
611: #######################################################
612:
613: =pod
614:
615: =head2 HTML output routines
616:
617: =item &html_initialize($r)
618:
619: Create labels for the columns of student data to show.
620:
621: =item &html_outputstudent($r,$student)
622:
623: Return a line of the chart for a student.
624:
625: =item &html_finish($r)
626:
627: =cut
628:
629: #######################################################
630: #######################################################
631: {
632: my $padding;
633: my $count;
634:
635: my $nodata_count; # The number of students for which there is no data
636: my %prog_state; # progress state used by loncommon PrgWin routines
637: my $total_sum_width;
638:
639: my %width; # Holds sequence width information
640: my @sequences;
641: my $navmap; # Have to keep this around since weakref is a bit zealous
642:
643: sub html_cleanup {
644: undef(%prog_state);
645: undef(%width);
646: #
647: undef($navmap);
648: undef(@sequences);
649: }
650:
651: sub html_initialize {
652: my ($r) = @_;
653: #
654: $padding = ' 'x3;
655: $count = 0;
656: $nodata_count = 0;
657: &html_cleanup();
658: ($navmap,@sequences) =
659: &Apache::lonstatistics::selected_sequences_with_assessments();
660: if (! ref($navmap)) {
661: # Unable to get data, so bail out
662: $r->print('<p class="LC_error">'
663: .&mt('Unable to retrieve course information.')
664: .'</p>');
665: }
666:
667: # If we're showing links, show a checkbox to open in new
668: # windows.
669: if ($show_links ne 'no') {
670: my $labeltext = &mt('Show links in new window');
671: $r->print(<<NEW_WINDOW_CHECKBOX);
672: <script type="text/javascript">new_window = true;</script>
673: <p><label>
674: <input type="checkbox" checked="checked" onclick="new_window=this.checked" />
675: $labeltext
676: </label></p>
677: NEW_WINDOW_CHECKBOX
678: }
679:
680: #
681: $r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
682: " ".&Apache::lonlocal::locallocaltime(time)."</h3>");
683: #
684: if ($chosen_output->{'base'} !~ /^final table/) {
685: $r->print("<h3>".&mt($chosen_output->{'shortdesc'})."</h3>");
686: }
687: my $Str = "<pre>\n";
688: # First, the @StudentData fields need to be listed
689: my @to_show = &get_student_fields_to_show();
690: foreach my $field (@to_show) {
691: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
692: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
693: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
694: $Str .= $title.' 'x($width-$base).$padding;
695: }
696: #
697: # Compute the column widths and output the sequence titles
698: my $total_count;
699: #
700: # Compute sequence widths
701: my $starttime = Time::HiRes::time;
702: foreach my $seq (@sequences) {
703: my $symb = $seq->symb;
704: my $title = $seq->compTitle;
705: $width{$symb}->{'width_sum'} = 0;
706: # Compute width of sum
707: if ($chosen_output->{'sequence_sum'}) {
708: if ($chosen_output->{'every_problem'}) {
709: # Use 1 digit for a space
710: $width{$symb}->{'width_sum'} += 1;
711: }
712: $total_count += &count_parts($navmap,$seq);
713: # Use 6 digits for the sum
714: $width{$symb}->{'width_sum'} += 6;
715: }
716: # Compute width of maximum
717: if ($chosen_output->{'sequence_max'}) {
718: if ($width{$symb}->{'width_sum'}>0) {
719: # One digit for the '/'
720: $width{$symb}->{'width_sum'} +=1;
721: }
722: # Use 6 digits for the total
723: $width{$symb}->{'width_sum'}+=6;
724: }
725: #
726: if ($chosen_output->{'every_problem'}) {
727: # one problem per digit
728: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
729: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
730: } else {
731: $width{$symb}->{'width_problem'} = 0;
732: }
733: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
734: $width{$symb}->{'width_sum'};
735: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
736: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
737: }
738: #
739: # Output the sequence titles
740: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
741: length($title)
742: )).$padding;
743: }
744: $total_sum_width = length($total_count);
745: if ($total_sum_width < 6) {
746: $total_sum_width = 6;
747: }
748: $Str .= " total</pre>\n";
749: $Str .= "<pre>";
750:
751: $r->print(<<JS);
752: <script type="text/javascript">
753: // get the left offset of a given widget as an absolute position
754: function getLeftOffset (element) {
755: return collect(element, "offsetLeft");
756: }
757:
758: // get the top offset of a given widget as an absolute position
759: function getTopOffset (element) {
760: return collect(element, "offsetTop");
761: }
762:
763: function collect(element, att) {
764: var val = 0;
765: while(element) {
766: val += element[att];
767: element = element.offsetParent;
768: }
769: return val;
770: }
771:
772: var currentDiv;
773: var currentElement;
774: function popup_score(element, score) {
775: popdown_score();
776: var left = getLeftOffset(element);
777: var top = getTopOffset(element);
778: var div = document.createElement("div");
779: div.className = "LC_chrt_popup";
780: div.appendChild(document.createTextNode(score));
781: div.style.position = "absolute";
782: div.style.top = (top - 25) + "px";
783: div.style.left = (left - 10) + "px";
784: currentDiv = div;
785: document.body.insertBefore(div, document.body.childNodes[0]);
786: element.className = "LC_chrt_popup_up";
787: currentElement = element;
788: }
789:
790: function popdown_score() {
791: if (currentDiv) {
792: document.body.removeChild(currentDiv);
793: }
794: if (currentElement) {
795: currentElement.className = 'LC_chrt_popup_exists';
796: }
797: currentDiv = undefined;
798: }
799: </script>
800: JS
801:
802: #
803: # Let the user know what we are doing
804: my $studentcount = scalar(@Apache::lonstatistics::Students);
805: if ($env{'form.SelectedStudent'}) {
806: $studentcount = '1';
807: }
808: #
809: # Initialize progress window
810: #
811: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
812: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
813: 'Processing first student');
814: $r->print($Str);
815: $r->rflush();
816:
817: return;
818: }
819:
820: sub html_outputstudent {
821: my ($r,$student) = @_;
822: my $Str = '';
823: return if (! defined($navmap));
824: #
825: if($count++ % 5 == 0 && $count > 0) {
826: # $r->print("</pre><pre>");
827: $r->print('</pre>');
828: &Apache::lonhtmlcommon::Increment_PrgWin(
829: $r,\%prog_state,'last five students',5);
830: $r->rflush();
831: $r->print('<pre>');
832: }
833: # First, the @StudentData fields need to be listed
834: my @to_show = &get_student_fields_to_show();
835: foreach my $field (@to_show) {
836: my $title=$student->{$field};
837: # Deal with 'comments' - how I love special cases
838: if ($field eq 'comments') {
839: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
840: }
841: utf8::decode($title);
842: my $base = length($title);
843: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
844: $Str .= $title.' 'x($width-$base).$padding;
845: }
846: # Get ALL the students data
847: my %StudentsData;
848: my @tmp = &Apache::loncoursedata::get_current_state
849: ($student->{'username'},$student->{'domain'},undef,
850: $env{'request.course.id'});
851: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) {
852: %StudentsData = @tmp;
853: } else {
854: my $error = $1;
855: if (scalar(@tmp) < 1) {
856: $Str .= '<span class="LC_warning">'
857: .&mt('No Course Data')
858: .'</span>'."\n";
859: } else {
860: $Str .= '<span class="LC_error">'
861: .&mt('Error getting student data ([_1])',$error)
862: .'</span>'."\n";
863: }
864: $nodata_count++;
865: $r->print($Str);
866: $r->rflush();
867: return;
868: }
869: #
870: # By sequence build up the data
871: my $studentstats;
872: my $PerformanceStr = '';
873: foreach my $seq (@sequences) {
874: my $symb = $seq->symb;
875: my $randompick = $seq->randompick();
876: my ($performance,$performance_length,$score,$seq_max,$rawdata);
877: if ($chosen_output->{'tries'}) {
878: ($performance,$performance_length,$score,$seq_max,$rawdata) =
879: &student_tries_on_sequence($student,\%StudentsData,
880: $navmap,$seq,$show_links,$randompick);
881: } else {
882: ($performance,$performance_length,$score,$seq_max,$rawdata) =
883: &student_performance_on_sequence($student,\%StudentsData,
884: $navmap,$seq,$show_links,
885: $chosen_output->{ignore_weight},
886: $randompick);
887: }
888: my $ratio='';
889: if ($chosen_output->{'every_problem'} &&
890: $chosen_output->{'sequence_sum'}) {
891: $ratio .= ' ';
892: }
893: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
894: my $score .= sprintf("%3.2f",$score);
895: $ratio .= (' 'x(6-length($score))).$score;
896: } elsif($chosen_output->{'sequence_sum'}) {
897: $ratio .= ' 'x6;
898: }
899: if ($chosen_output->{'sequence_max'}) {
900: if ($chosen_output->{'sequence_sum'}) {
901: $ratio .= '/';
902: }
903: my $sequence_total=sprintf("%3.2f",$seq_max);
904: $ratio .= $sequence_total.(' 'x(6-length($sequence_total)));
905: }
906: #
907: if (! $chosen_output->{'every_problem'}) {
908: $performance = '';
909: $performance_length=0;
910: }
911: $performance .= ' 'x($width{$symb}->{'width_total'} -
912: $performance_length -
913: $width{$symb}->{'width_sum'}).
914: $ratio;
915: #
916: $Str .= $performance.$padding;
917: #
918: $studentstats->{$symb}->{'score'}= $score;
919: $studentstats->{$symb}->{'max'} = $seq_max;
920: }
921: #
922: # Total it up and store the statistics info.
923: my ($score,$max);
924: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
925: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
926: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
927: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
928: }
929: if ($seq_stats->{'score'} ne ' ') {
930: $score += $seq_stats->{'score'};
931: $Statistics->{$symb}->{'num_students'}++;
932: }
933: $max += $seq_stats->{'max'};
934: }
935: if (! defined($score)) {
936: $score = ' ' x $total_sum_width;
937: } else {
938: $score = sprintf("%.2f",$score);
939: $score = (' 'x(6-length($score))).$score;
940: }
941: $max = sprintf("%.2f",$max);
942: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
943: $Str .= " \n";
944: #
945: $r->print($Str);
946: #
947: # $r->rflush();
948: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
949: return;
950: }
951:
952: sub html_finish {
953: my ($r) = @_;
954: return if (! defined($navmap));
955: #
956: # Check for suppressed output and close the progress window if so
957: $r->print("</pre>\n");
958: if ($chosen_output->{'summary_table'}) {
959: if ($single_student_mode) {
960: $r->print(&SingleStudentTotal());
961: } else {
962: $r->print(&StudentAverageTotal());
963: }
964: }
965: $r->rflush();
966: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
967: &html_cleanup();
968: return;
969: }
970:
971: sub StudentAverageTotal {
972: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
973: $Str .= &Apache::loncommon::start_data_table();
974: $Str .= &Apache::loncommon::start_data_table_header_row().
975: '<th>'.&mt('Title').'</th>'.
976: '<th>'.&mt('Average').'</th>'.
977: '<th>'.&mt('Maximum').'</th>'.
978: &Apache::loncommon::end_data_table_header_row().$/;
979: foreach my $seq (@sequences) {
980: my $symb = $seq->symb;
981: my $ave;
982: my $num_students = $Statistics->{$symb}->{'num_students'};
983: if ($num_students > 0) {
984: $ave = int(100*
985: ($Statistics->{$symb}->{'score'}/$num_students)
986: )/100;
987: } else {
988: $ave = 0;
989: }
990: my $max = $Statistics->{$symb}->{'max'};
991: $ave = sprintf("%.2f",$ave);
992: $Str .= &Apache::loncommon::start_data_table_row().
993: '<td>'.$seq->compTitle.'</td>'.
994: '<td align="right">'.$ave.' </td>'.
995: '<td align="right">'.$max.' '.'</td>'.
996: &Apache::loncommon::end_data_table_row()."\n";
997: }
998: $Str .= &Apache::loncommon::end_data_table()."\n";
999: return $Str;
1000: }
1001:
1002: sub SingleStudentTotal {
1003: return if (! defined($navmap));
1004: my $student = &Apache::lonstatistics::current_student();
1005: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2])',
1006: $student->{'fullname'},
1007: $student->{'username'}.':'.$student->{'domain'}).'</h3>';
1008: $Str .= $/;
1009: $Str .= &Apache::loncommon::start_data_table()."\n";
1010: $Str .=
1011: &Apache::loncommon::start_data_table_header_row().
1012: '<th>'.&mt('Sequence or Folder').'</th>';
1013: if ($chosen_output->{'base'} eq 'tries') {
1014: $Str .= '<th>'.&mt('Parts Correct').'</th>';
1015: } else {
1016: $Str .= '<th>'.&mt('Score').'</th>';
1017: }
1018: $Str .= '<th>'.&mt('Maximum').'</th>'.
1019: &Apache::loncommon::end_data_table_header_row()."\n";
1020: my $total = 0;
1021: my $total_max = 0;
1022: foreach my $seq (@sequences) {
1023: my $value = $Statistics->{$seq->symb}->{'score'};
1024: my $max = $Statistics->{$seq->symb}->{'max'};
1025: $Str .= &Apache::loncommon::start_data_table_row().
1026: '<td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
1027: '<td align="right">'.$value.'</td>'.
1028: '<td align="right">'.$max.'</td>'.
1029: &Apache::loncommon::end_data_table_row()."\n";
1030: $total += $value;
1031: $total_max +=$max;
1032: }
1033: $Str .= &Apache::loncommon::start_data_table_row().
1034: '<td><b>'.&mt('Total').'</b></td>'.
1035: '<td align="right">'.$total.'</td>'.
1036: '<td align="right">'.$total_max.'</td>'.
1037: &Apache::loncommon::end_data_table_row()."\n";
1038: $Str .= &Apache::loncommon::end_data_table()."\n";
1039: return $Str;
1040: }
1041:
1042: }
1043:
1044: #######################################################
1045: #######################################################
1046:
1047: =pod
1048:
1049: =head2 EXCEL subroutines
1050:
1051: =item &excel_initialize($r)
1052:
1053: =item &excel_outputstudent($r,$student)
1054:
1055: =item &excel_finish($r)
1056:
1057: =cut
1058:
1059: #######################################################
1060: #######################################################
1061: {
1062:
1063: my $excel_sheet;
1064: my $excel_workbook;
1065: my $format;
1066:
1067: my $filename;
1068: my $rows_output;
1069: my $cols_output;
1070:
1071: my %prog_state; # progress window state
1072: my $request_aborted;
1073:
1074: my $total_formula;
1075: my $maximum_formula;
1076: my %formula_data;
1077:
1078: my $navmap;
1079: my @sequences;
1080:
1081: sub excel_cleanup {
1082: #
1083: undef ($excel_sheet);
1084: undef ($excel_workbook);
1085: undef ($filename);
1086: undef ($rows_output);
1087: undef ($cols_output);
1088: undef (%prog_state);
1089: undef ($request_aborted);
1090: undef ($total_formula);
1091: undef ($maximum_formula);
1092: #
1093: undef(%formula_data);
1094: #
1095: undef($navmap);
1096: undef(@sequences);
1097: }
1098:
1099: sub excel_initialize {
1100: my ($r) = @_;
1101:
1102: &excel_cleanup();
1103: ($navmap,@sequences) =
1104: &Apache::lonstatistics::selected_sequences_with_assessments();
1105: if (! ref($navmap)) {
1106: # Unable to get data, so bail out
1107: $r->print('<p class="LC_error">'.
1108: &mt('Unable to retrieve course information.').
1109: '</p>');
1110: }
1111: #
1112: my $total_columns = scalar(&get_student_fields_to_show());
1113: my $num_students = scalar(@Apache::lonstatistics::Students);
1114: #
1115: foreach my $seq (@sequences) {
1116: if ($chosen_output->{'every_problem'}) {
1117: $total_columns+=&count_parts($navmap,$seq);
1118: }
1119: # Add 2 because we need a 'sequence_sum' and 'total' column for each
1120: $total_columns += 2;
1121: }
1122: my $too_many_cols_error_message =
1123: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
1124: '<p class="LC_warning">'.&mt('LON-CAPA is unable to produce your Excel spreadsheet because your selections will result in more than 255 columns. Excel allows only 255 columns in a spreadsheet.').'</p>'.$/.
1125: '<p>'.&mt('You may consider reducing the number of [_1]Sequences or Folders[_2] you have selected.','<b>','</b>').'</p>'.$/.
1126: '<p>'.&mt('LON-CAPA can produce [_1]CSV[_2] files of this data or Excel files of the [_1]Scores Summary[_2] data.','<b>','</b>').'</p>'.$/;
1127: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1128: $r->print($too_many_cols_error_message);
1129: $request_aborted = 1;
1130: }
1131: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1132: $r->print($too_many_cols_error_message);
1133: $request_aborted = 1;
1134: }
1135: return if ($request_aborted);
1136: #
1137: #
1138: $excel_workbook = undef;
1139: $excel_sheet = undef;
1140: #
1141: $rows_output = 0;
1142: $cols_output = 0;
1143: #
1144: # Determine rows
1145: my $header_row = $rows_output++;
1146: my $description_row = $rows_output++;
1147: my $notes_row = $rows_output++;
1148: $rows_output++; # blank row
1149: my $summary_header_row;
1150: if ($chosen_output->{'summary_table'}) {
1151: $summary_header_row = $rows_output++;
1152: $rows_output+= scalar(@sequences);
1153: $rows_output++;
1154: }
1155: my $sequence_name_row = $rows_output++;
1156: my $resource_name_row = $rows_output++;
1157: my $maximum_data_row = $rows_output++;
1158: if (! $chosen_output->{'maximum_row'}) {
1159: $rows_output--;
1160: }
1161: my $first_data_row = $rows_output++;
1162: #
1163: # Create sheet
1164: ($excel_workbook,$filename,$format)=
1165: &Apache::loncommon::create_workbook($r);
1166: return if (! defined($excel_workbook));
1167: #
1168: # Add a worksheet
1169: my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
1170: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1171: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1172: #
1173: # Put the course description in the header
1174: $excel_sheet->write($header_row,$cols_output++,
1175: $env{'course.'.$env{'request.course.id'}.'.description'},
1176: $format->{'h1'});
1177: $cols_output += 3;
1178: #
1179: # Put a description of the sections listed
1180: my $sectionstring = '';
1181: my @Sections = &Apache::lonstatistics::get_selected_sections();
1182: $excel_sheet->write($header_row,$cols_output++,
1183: &Apache::lonstatistics::section_and_enrollment_description('localized'),
1184: $format->{'h3'});
1185: #
1186: # Put the date in there too
1187: $excel_sheet->write($header_row,$cols_output++,
1188: &mt('Compiled on [_1]',&Apache::lonlocal::locallocaltime(time)),$format->{'h3'});
1189: #
1190: $cols_output = 0;
1191: $excel_sheet->write($description_row,$cols_output++,
1192: &mt($chosen_output->{'shortdesc'}),
1193: $format->{'b'});
1194: #
1195: $cols_output = 0;
1196: $excel_sheet->write($notes_row,$cols_output++,
1197: $chosen_output->{'non_html_notes'},
1198: $format->{'i'});
1199:
1200: ##############################################
1201: # Output headings for the raw data
1202: ##############################################
1203: #
1204: # Add the student headers
1205: $cols_output = 0;
1206: foreach my $field (&get_student_fields_to_show()) {
1207: $excel_sheet->write($resource_name_row,$cols_output++,&mt($field),
1208: $format->{'bold'});
1209: }
1210: #
1211: # Add the remaining column headers
1212: my $total_formula_string = '=0';
1213: my $maximum_formula_string = '=0';
1214: foreach my $seq (@sequences) {
1215: my $symb = $seq->symb;
1216: $excel_sheet->write($sequence_name_row,,
1217: $cols_output,$seq->compTitle,$format->{'bold'});
1218: # Determine starting cell
1219: $formula_data{$symb}->{'Excel:startcell'}=
1220: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1221: ($first_data_row,$cols_output);
1222: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1223: my $count = 0;
1224: if ($chosen_output->{'every_problem'}) {
1225: # Put the names of the problems and parts into the sheet
1226: foreach my $res (&get_resources($navmap,$seq)) {
1227: if (scalar(@{$res->parts}) > 1) {
1228: foreach my $part (@{$res->parts}) {
1229: $excel_sheet->write($resource_name_row,
1230: $cols_output++,
1231: $res->compTitle.' part '.$res->part_display($part),
1232: $format->{'bold'});
1233: $count++;
1234: }
1235: } else {
1236: $excel_sheet->write($resource_name_row,
1237: $cols_output++,
1238: $res->compTitle,$format->{'bold'});
1239: $count++;
1240: }
1241: }
1242: }
1243: # Determine ending cell
1244: if ($count <= 1) {
1245: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1246: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1247: } else {
1248: $formula_data{$symb}->{'Excel:endcell'} =
1249: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1250: ($first_data_row,$cols_output-1);
1251: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1252: }
1253: # Create the formula for summing up this sequence
1254: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1255: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1256: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1257: }
1258:
1259: my $start = $formula_data{$symb}->{'Excel:startcell'};
1260: my $end = $formula_data{$symb}->{'Excel:endcell'};
1261: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1262: ("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
1263: # Determine cell the score is held in
1264: $formula_data{$symb}->{'Excel:scorecell'} =
1265: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1266: ($first_data_row,$cols_output);
1267: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1268: if ($chosen_output->{'base'} eq 'parts correct total') {
1269: $excel_sheet->write($resource_name_row,$cols_output++,
1270: &mt('parts correct'),
1271: $format->{'bold'});
1272: } elsif ($chosen_output->{'sequence_sum'}) {
1273: if ($chosen_output->{'correct'}) {
1274: # Only reporting the number correct, so do not call it score
1275: $excel_sheet->write($resource_name_row,$cols_output++,
1276: &mt('sum'),
1277: $format->{'bold'});
1278: } else {
1279: $excel_sheet->write($resource_name_row,$cols_output++,
1280: &mt('score'),
1281: $format->{'bold'});
1282: }
1283: }
1284: #
1285: $total_formula_string.='+'.
1286: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1287: ($first_data_row,$cols_output-1);
1288: if ($chosen_output->{'sequence_max'}) {
1289: $excel_sheet->write($resource_name_row,$cols_output,
1290: &mt('maximum'),
1291: $format->{'bold'});
1292: $formula_data{$symb}->{'Excel:maxcell'} =
1293: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1294: ($first_data_row,$cols_output);
1295: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1296: $maximum_formula_string.='+'.
1297: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1298: ($first_data_row,$cols_output);
1299: $cols_output++;
1300:
1301: }
1302: }
1303: if ($chosen_output->{'grand_total'}) {
1304: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Total'),
1305: $format->{'bold'});
1306: }
1307: if ($chosen_output->{'grand_maximum'}) {
1308: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Max. Total'),
1309: $format->{'bold'});
1310: }
1311: $total_formula = $excel_sheet->store_formula($total_formula_string);
1312: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1313: ##############################################
1314: # Output a row for MAX, if appropriate
1315: ##############################################
1316: if ($chosen_output->{'maximum_row'}) {
1317: $cols_output = 0;
1318: foreach my $field (&get_student_fields_to_show()) {
1319: if ($field eq 'username' || $field eq 'fullname' ||
1320: $field eq 'id') {
1321: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1322: $format->{'bold'});
1323: } else {
1324: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1325: }
1326: }
1327: #
1328: # Add the maximums for each sequence or assessment
1329: my %total_cell_translation;
1330: my %maximum_cell_translation;
1331: foreach my $seq (@sequences) {
1332: my $symb = $seq->symb;
1333: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1334: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1335: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1336: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1337: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1338: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1339: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1340: my $weight;
1341: my $max = 0;
1342: foreach my $resource (&get_resources($navmap,$seq)) {
1343: foreach my $part (@{$resource->parts}){
1344: $weight = 1;
1345: if ($chosen_output->{'scores'}) {
1346: $weight = &Apache::lonnet::EXT
1347: ('resource.'.$part.'.weight',$resource->symb,
1348: undef,undef,undef);
1349: if (!defined($weight) || ($weight eq '')) {
1350: $weight=1;
1351: }
1352: }
1353: if ($chosen_output->{'scores'} &&
1354: $chosen_output->{'every_problem'}) {
1355: $excel_sheet->write($maximum_data_row,$cols_output++,
1356: $weight);
1357: }
1358: $max += $weight;
1359: }
1360: }
1361: #
1362: if ($chosen_output->{'sequence_sum'} &&
1363: $chosen_output->{'every_problem'}) {
1364: my %replaceCells=
1365: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1366: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1367: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1368: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1369: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1370: $formula_data{$symb}->{'Excel:sum'},undef,
1371: %replaceCells, %replaceCells);
1372:
1373: } elsif ($chosen_output->{'sequence_sum'}) {
1374: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1375: }
1376: if ($chosen_output->{'sequence_max'}) {
1377: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1378: }
1379: #
1380: }
1381: if ($chosen_output->{'grand_total'}) {
1382: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1383: $total_formula,undef,
1384: %total_cell_translation);
1385: }
1386: if ($chosen_output->{'grand_maximum'}) {
1387: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1388: $maximum_formula,undef,
1389: %maximum_cell_translation);
1390: }
1391: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1392: $rows_output = $first_data_row;
1393: ##############################################
1394: # Output summary table, which actually is above the sequence name row.
1395: ##############################################
1396: if ($chosen_output->{'summary_table'}) {
1397: $cols_output = 0;
1398: $excel_sheet->write($summary_header_row,$cols_output++,
1399: &mt('Summary Table'),$format->{'bold'});
1400: if ($chosen_output->{'maximum_row'}) {
1401: $excel_sheet->write($summary_header_row,$cols_output++,
1402: &mt('Maximum'),$format->{'bold'});
1403: }
1404: $excel_sheet->write($summary_header_row,$cols_output++,
1405: &mt('Average'),$format->{'bold'});
1406: $excel_sheet->write($summary_header_row,$cols_output++,
1407: &mt('Median'),$format->{'bold'});
1408: $excel_sheet->write($summary_header_row,$cols_output++,
1409: &mt('Std Dev'),$format->{'bold'});
1410: my $row = $summary_header_row+1;
1411: foreach my $seq (@sequences) {
1412: my $symb = $seq->symb;
1413: $cols_output = 0;
1414: $excel_sheet->write($row,$cols_output++,
1415: $seq->compTitle,
1416: $format->{'bold'});
1417: if ($chosen_output->{'maximum_row'}) {
1418: $excel_sheet->write
1419: ($row,$cols_output++,
1420: '='.
1421: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1422: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1423: );
1424: }
1425: my $range =
1426: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1427: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1428: ':'.
1429: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1430: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1431: $excel_sheet->write($row,$cols_output++,
1432: '=AVERAGE('.$range.')');
1433: $excel_sheet->write($row,$cols_output++,
1434: '=MEDIAN('.$range.')');
1435: $excel_sheet->write($row,$cols_output++,
1436: '=STDEV('.$range.')');
1437: $row++;
1438: }
1439: }
1440: ##############################################
1441: # Take care of non-excel initialization
1442: ##############################################
1443: #
1444: # Let the user know what we are doing
1445: my $studentcount = scalar(@Apache::lonstatistics::Students);
1446: if ($env{'form.SelectedStudent'}) {
1447: $studentcount = '1';
1448: }
1449: $r->print('<p>'
1450: .&mt('Compiling Excel spreadsheet for [quant,_1,student]...',$studentcount)
1451: ."</p>\n"
1452: );
1453: $r->rflush();
1454: #
1455: # Initialize progress window
1456: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
1457: #
1458: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1459: 'Processing first student');
1460: return;
1461: }
1462:
1463: sub excel_outputstudent {
1464: my ($r,$student) = @_;
1465: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1466: return;
1467: }
1468: $cols_output=0;
1469: #
1470: # Write out student data
1471: my @to_show = &get_student_fields_to_show();
1472: foreach my $field (@to_show) {
1473: my $value = $student->{$field};
1474: if ($field eq 'comments') {
1475: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1476: ($student->{'username'},$student->{'domain'});
1477: }
1478: $excel_sheet->write($rows_output,$cols_output++,$value);
1479: }
1480: #
1481: # Get student assessment data
1482: my %StudentsData;
1483: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1484: $student->{'domain'},
1485: undef,
1486: $env{'request.course.id'});
1487: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1488: %StudentsData = @tmp;
1489: }
1490: #
1491: # Write out sequence scores and totals data
1492: my %total_cell_translation;
1493: my %maximum_cell_translation;
1494: foreach my $seq (@sequences) {
1495: my $symb = $seq->symb;
1496: my $randompick = $seq->randompick();
1497: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1498: # Keep track of cells to translate in total cell
1499: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1500: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1501: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1502: # and maximum cell
1503: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1504: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1505: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1506: #
1507: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1508: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1509: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1510: &student_tries_on_sequence($student,\%StudentsData,
1511: $navmap,$seq,'no',$randompick);
1512: } else {
1513: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1514: &student_performance_on_sequence($student,\%StudentsData,
1515: $navmap,$seq,'no',
1516: $chosen_output->{ignore_weight},
1517: $randompick);
1518: }
1519: if ($chosen_output->{'every_problem'}) {
1520: if ($chosen_output->{'correct'}) {
1521: # only indiciate if each item is correct or not
1522: foreach my $value (@$rawdata) {
1523: # positive means correct, 0 or negative means
1524: # incorrect
1525: $value = $value > 0 ? 1 : 0;
1526: $excel_sheet->write($rows_output,$cols_output++,$value);
1527: }
1528: } else {
1529: foreach my $value (@$rawdata) {
1530: if ($score eq ' ' || !defined($value)) {
1531: $cols_output++;
1532: } else {
1533: $excel_sheet->write($rows_output,$cols_output++,
1534: $value);
1535: }
1536: }
1537: }
1538: }
1539: if ($chosen_output->{'sequence_sum'} &&
1540: $chosen_output->{'every_problem'}) {
1541: # Write a formula for the sum of this sequence
1542: my %replaceCells=
1543: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1544: =>
1545: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1546: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1547: );
1548: # The undef is for the format
1549: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1550: $formula_data{$symb}->{'Excel:sum'},undef,
1551: %replaceCells, %replaceCells);
1552: } elsif ($chosen_output->{'sequence_sum'}) {
1553: if ($score eq ' ') {
1554: $cols_output++;
1555: } else {
1556: $excel_sheet->write($rows_output,$cols_output++,$score);
1557: }
1558: }
1559: if ($chosen_output->{'sequence_max'}) {
1560: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1561: }
1562: }
1563: #
1564: if ($chosen_output->{'grand_total'}) {
1565: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1566: $total_formula,undef,
1567: %total_cell_translation);
1568: }
1569: if ($chosen_output->{'grand_maximum'}) {
1570: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1571: $maximum_formula,undef,
1572: %maximum_cell_translation);
1573: }
1574: #
1575: # Bookkeeping
1576: $rows_output++;
1577: $cols_output=0;
1578: #
1579: # Update the progress window
1580: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1581: return;
1582: }
1583:
1584: sub excel_finish {
1585: my ($r) = @_;
1586: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1587: &excel_cleanup();
1588: return;
1589: }
1590: #
1591: # Write the excel file
1592: $excel_workbook->close();
1593: #
1594: # Close the progress window
1595: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1596: #
1597: # Tell the user where to get their excel file
1598: $r->print('<br />'.
1599: '<a href="'.$filename.'">'.&mt('Your Excel spreadsheet').'</a>'."\n");
1600: $r->rflush();
1601: &excel_cleanup();
1602: return;
1603: }
1604:
1605: }
1606: #######################################################
1607: #######################################################
1608:
1609: =pod
1610:
1611: =head2 CSV output routines
1612:
1613: =item &csv_initialize($r)
1614:
1615: =item &csv_outputstudent($r,$student)
1616:
1617: =item &csv_finish($r)
1618:
1619: =cut
1620:
1621: #######################################################
1622: #######################################################
1623: {
1624:
1625: my $outputfile;
1626: my $filename;
1627: my $request_aborted;
1628: my %prog_state; # progress window state
1629: my $navmap;
1630: my @sequences;
1631:
1632: sub csv_cleanup {
1633: undef($outputfile);
1634: undef($filename);
1635: undef($request_aborted);
1636: undef(%prog_state);
1637: #
1638: undef($navmap);
1639: undef(@sequences);
1640: }
1641:
1642: sub csv_initialize{
1643: my ($r) = @_;
1644:
1645: &csv_cleanup();
1646: ($navmap,@sequences) =
1647: &Apache::lonstatistics::selected_sequences_with_assessments();
1648: if (! ref($navmap)) {
1649: # Unable to get data, so bail out
1650: $r->print('<p class="LC_error">'.
1651: &mt('Unable to retrieve course information.').
1652: '</p>');
1653: }
1654: #
1655: # Deal with unimplemented requests
1656: $request_aborted = undef;
1657: if ($chosen_output->{'base'} =~ /final table/) {
1658: $r->print(
1659: '<h2>'.&mt('Unable to Complete Request').'</h2>'
1660: .'<p class="LC_warning">'
1661: .&mt('The [_1]Summary Table (Scores)[_2] option'
1662: .' is not available for non-HTML output.','<b>','</b>')
1663: .'</p>'
1664: );
1665: $request_aborted = 1;
1666: }
1667: return if ($request_aborted);
1668: #
1669: # Initialize progress window
1670: my $studentcount = scalar(@Apache::lonstatistics::Students);
1671: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$studentcount);
1672: #
1673: # Open a file
1674: ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
1675: if (! defined($outputfile)) { return ''; }
1676: #
1677: # Datestamp
1678: my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
1679: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1680: '"'.&Apache::loncommon::csv_translate(scalar(&Apache::lonlocal::locallocaltime(time))).'"'.
1681: "\n";
1682: print $outputfile '"'.
1683: &Apache::loncommon::csv_translate
1684: (&Apache::lonstatistics::section_and_enrollment_description()).
1685: '"'."\n";
1686: foreach my $item ('shortdesc','non_html_notes') {
1687: next if (! exists($chosen_output->{$item}));
1688: print $outputfile
1689: '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
1690: "\n";
1691: }
1692: #
1693: # Print out the headings
1694: my $sequence_row = '';
1695: my $resource_row = undef;
1696: foreach my $field (&get_student_fields_to_show()) {
1697: $sequence_row .='"",';
1698: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1699: }
1700: foreach my $seq (@sequences) {
1701: $sequence_row .= '"'.
1702: &Apache::loncommon::csv_translate($seq->compTitle).'",';
1703: my $count = 0;
1704: if ($chosen_output->{'every_problem'}) {
1705: foreach my $res (&get_resources($navmap,$seq)) {
1706: if (scalar(@{$res->parts}) < 1) {
1707: next;
1708: }
1709: foreach my $part (@{$res->parts}) {
1710: $resource_row .= '"'.
1711: &Apache::loncommon::csv_translate
1712: ($res->compTitle.', Part '.$res->part_display($part)).'",';
1713: $count++;
1714: }
1715: }
1716: }
1717: $sequence_row.='"",'x$count;
1718: if ($chosen_output->{'sequence_sum'}) {
1719: if($chosen_output->{'correct'}) {
1720: $resource_row .= '"'.&mt('sum').'",';
1721: } else {
1722: $resource_row .= '"'.&mt('score').'",';
1723: }
1724: }
1725: if ($chosen_output->{'sequence_max'}) {
1726: $sequence_row.= '"",';
1727: $resource_row .= '"'.&mt('maximum possible').'",';
1728: }
1729: }
1730: if ($chosen_output->{'grand_total'}) {
1731: $sequence_row.= '"",';
1732: $resource_row.= '"'.&mt('Total').'",';
1733: }
1734: if ($chosen_output->{'grand_maximum'}) {
1735: $sequence_row.= '"",';
1736: $resource_row.= '"'.&mt('Maximum').'",';
1737: }
1738: chomp($sequence_row);
1739: chomp($resource_row);
1740: print $outputfile $sequence_row."\n";
1741: print $outputfile $resource_row."\n";
1742: return;
1743: }
1744:
1745: sub csv_outputstudent {
1746: my ($r,$student) = @_;
1747: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1748: return;
1749: }
1750: my $Str = '';
1751: #
1752: # Output student fields
1753: my @to_show = &get_student_fields_to_show();
1754: foreach my $field (@to_show) {
1755: my $value = $student->{$field};
1756: if ($field eq 'comments') {
1757: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1758: ($student->{'username'},$student->{'domain'});
1759: }
1760: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1761: }
1762: #
1763: # Get student assessment data
1764: my %StudentsData;
1765: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1766: $student->{'domain'},
1767: undef,
1768: $env{'request.course.id'});
1769: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1770: %StudentsData = @tmp;
1771: }
1772: #
1773: # Output performance data
1774: my $total = 0;
1775: my $maximum = 0;
1776: foreach my $seq (@sequences) {
1777: my $randompick = $seq->randompick();
1778: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1779: if ($chosen_output->{'tries'}){
1780: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1781: &student_tries_on_sequence($student,\%StudentsData,
1782: $navmap,$seq,'no',$randompick);
1783: } else {
1784: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1785: &student_performance_on_sequence($student,\%StudentsData,
1786: $navmap,$seq,'no',
1787: $chosen_output->{ignore_weight},
1788: $randompick);
1789: }
1790: if ($chosen_output->{'every_problem'}) {
1791: if ($chosen_output->{'correct'}) {
1792: $score = 0;
1793: # Deal with number of parts correct data
1794: $Str .= '"'.join('","',( map { if ($_>0) {
1795: $score += 1;
1796: 1;
1797: } else {
1798: 0;
1799: }
1800: } @$rawdata)).'",';
1801: } else {
1802: $Str .= '"'.join('","',(@$rawdata)).'",';
1803: }
1804: }
1805: if ($chosen_output->{'sequence_sum'}) {
1806: $Str .= '"'.$score.'",';
1807: }
1808: if ($chosen_output->{'sequence_max'}) {
1809: $Str .= '"'.$seq_max.'",';
1810: }
1811: $total+=$score;
1812: $maximum += $seq_max;
1813: }
1814: if ($chosen_output->{'grand_total'}) {
1815: $Str .= '"'.$total.'",';
1816: }
1817: if ($chosen_output->{'grand_maximum'}) {
1818: $Str .= '"'.$maximum.'",';
1819: }
1820: chop($Str);
1821: $Str .= "\n";
1822: print $outputfile $Str;
1823: #
1824: # Update the progress window
1825: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1826: return;
1827: }
1828:
1829: sub csv_finish {
1830: my ($r) = @_;
1831: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1832: &csv_cleanup();
1833: return;
1834: }
1835: close($outputfile);
1836: #
1837: # Close the progress window
1838: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1839: #
1840: # Tell the user where to get their csv file
1841: $r->print('<br />'.
1842: '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1843: $r->rflush();
1844: &csv_cleanup();
1845: return;
1846:
1847: }
1848:
1849: }
1850:
1851: # This function will return an HTML string including a star, with
1852: # a mouseover popup showing the "real" value. An optional second
1853: # argument lets you show something other than a star.
1854: sub show_star {
1855: my $popup = shift;
1856: my $symbol = shift || '*';
1857: # Escape the popup for JS.
1858: $popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;
1859:
1860: return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>";
1861: }
1862:
1863: #######################################################
1864: #######################################################
1865:
1866: =pod
1867:
1868: =item &StudentTriesOnSequence()
1869:
1870: Inputs:
1871:
1872: =over 4
1873:
1874: =item $student
1875:
1876: =item $studentdata Hash ref to all student data
1877:
1878: =item $seq Hash ref, the sequence we are working on
1879:
1880: =item $links if defined we will output links to each resource.
1881:
1882: =back
1883:
1884: =cut
1885:
1886: #######################################################
1887: #######################################################
1888: sub student_tries_on_sequence {
1889: my ($student,$studentdata,$navmap,$seq,$links,$randompick) = @_;
1890: $links = 'no' if (! defined($links));
1891: my $Str = '';
1892: my ($sum,$max) = (0,0);
1893: my $performance_length = 0;
1894: my @TriesData = ();
1895: my $tries;
1896: my $hasdata = 0; # flag - true if the student has any data on the sequence
1897: foreach my $resource (&get_resources($navmap,$seq)) {
1898: my $resource_data = $studentdata->{$resource->symb};
1899: my $value = '';
1900: foreach my $partnum (@{$resource->parts()}) {
1901: $tries = undef;
1902: $max++;
1903: $performance_length++;
1904: my $symbol = ' '; # default to space
1905: #
1906: my $awarded = 0;
1907: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1908: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1909: $awarded = 0 if (! $awarded);
1910: }
1911: #
1912: my $status = '';
1913: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1914: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1915: }
1916: #
1917: my $tries = 0;
1918: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1919: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1920: $hasdata =1;
1921: }
1922: #
1923: if ($awarded > 0) {
1924: # The student has gotten the problem correct to some degree
1925: if ($status eq 'excused') {
1926: $symbol = 'x';
1927: $max--;
1928: } elsif ($status eq 'correct_by_override' && !$resource->is_task()) {
1929: $symbol = '+';
1930: $sum++;
1931: } elsif ($tries > 0) {
1932: if ($tries > 9) {
1933: $symbol = show_star($tries);
1934: } else {
1935: $symbol = $tries;
1936: }
1937: $sum++;
1938: } else {
1939: $symbol = '+';
1940: $sum++;
1941: }
1942: } else {
1943: # The student has the problem incorrect or it is ungraded
1944: if ($status eq 'excused') {
1945: $symbol = 'x';
1946: $max--;
1947: } elsif ($status eq 'incorrect_by_override') {
1948: $symbol = '-';
1949: } elsif ($status eq 'ungraded_attempted') {
1950: $symbol = 'u';
1951: } elsif ($status eq 'incorrect_attempted' ||
1952: $tries > 0) {
1953: $symbol = '.';
1954: } else {
1955: # Problem is wrong and has not been attempted.
1956: $symbol=' ';
1957: }
1958: }
1959: #
1960: if (! defined($tries)) {
1961: $tries = 0;
1962: }
1963: if ($status =~ /^(incorrect|ungraded)/) {
1964: # Bug 3390: show '-' for tries on incorrect problems
1965: # (csv & excel only)
1966: push(@TriesData,-$tries);
1967: } else {
1968: push (@TriesData,$tries);
1969: }
1970: #
1971: if ( ($links eq 'yes' && $symbol ne ' ') ||
1972: ($links eq 'all')) {
1973: my $link = '/adm/grades'.
1974: '?symb='.&escape($resource->shown_symb).
1975: '&student='.$student->{'username'}.
1976: '&userdom='.$student->{'domain'}.
1977: '&command=submission';
1978: $symbol = &link($symbol, $link);
1979: }
1980: $value .= $symbol;
1981: }
1982: $Str .= $value;
1983: }
1984: if ($randompick) {
1985: $max = $randompick;
1986: }
1987: if (! $hasdata && $sum == 0) {
1988: $sum = ' ';
1989: }
1990: return ($Str,$performance_length,$sum,$max,\@TriesData);
1991: }
1992:
1993: =pod
1994:
1995: =item &link
1996:
1997: Inputs:
1998:
1999: =over 4
2000:
2001: =item $text
2002:
2003: =item $target
2004:
2005: =back
2006:
2007: Takes the text and creates a link to the $text that honors
2008: the value of 'new window' if clicked on, but uses a real
2009: 'href' so middle and right clicks still work.
2010:
2011: $target and $text are assumed to be already correctly escaped; i.e., it
2012: can be dumped out directly into the output stream as-is.
2013:
2014: =cut
2015:
2016: sub link {
2017: my ($text,$target) = @_;
2018: return
2019: "<a href='$target' onclick=\"t=this.href;if(new_window)"
2020: ."{window.open(t)}else{return void(window."
2021: ."location=t)};return false;\">$text</a>";
2022: }
2023:
2024: #######################################################
2025: #######################################################
2026:
2027: =pod
2028:
2029: =item &student_performance_on_sequence
2030:
2031: Inputs:
2032:
2033: =over 4
2034:
2035: =item $student
2036:
2037: =item $studentdata Hash ref to all student data
2038:
2039: =item $seq Hash ref, the sequence we are working on
2040:
2041: =item $links if defined we will output links to each resource.
2042:
2043: =back
2044:
2045: =cut
2046:
2047: #######################################################
2048: #######################################################
2049: sub student_performance_on_sequence {
2050: my ($student,$studentdata,$navmap,$seq,$links,$awarded_only,$randompick) = @_;
2051: $links = 'no' if (! defined($links));
2052: my $Str = ''; # final result string
2053: my ($score,$max) = (0,0);
2054: my $performance_length = 0;
2055: my $symbol;
2056: my @ScoreData = ();
2057: my $partscore;
2058: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
2059: my %ptsfreq;
2060: foreach my $resource (&get_resources($navmap,$seq)) {
2061: my $symb = $resource->symb;
2062: my $resource_data = $studentdata->{$symb};
2063: my $resmax = 0;
2064: foreach my $part (@{$resource->parts()}) {
2065: $partscore = undef;
2066: my $weight;
2067: if (!$awarded_only){
2068: $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
2069: $symb,
2070: $student->{'domain'},
2071: $student->{'username'},
2072: $student->{'section'});
2073: }
2074: if (!defined($weight) || ($weight eq '')) {
2075: $weight=1;
2076: }
2077: #
2078: $max += $weight; # see the 'excused' branch below...
2079: $resmax += $weight;
2080: $performance_length++; # one character per part
2081: $symbol = ' '; # default to space
2082: #
2083: my $awarded;
2084: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
2085: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
2086: $awarded = 0 if (! $awarded);
2087: $hasdata = 1;
2088: }
2089: #
2090: $partscore = &Apache::grades::compute_points($weight,$awarded);
2091: if (! defined($awarded)) {
2092: $partscore = undef;
2093: }
2094: $score += $partscore;
2095: $symbol = $partscore;
2096: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
2097: $symbol = sprintf("%.0f",$symbol);
2098: }
2099: if (length($symbol) > 1) {
2100: $symbol = show_star($symbol);
2101: }
2102: if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
2103: $resource_data->{'resource.'.$part.'.solved'} ne '') {
2104: my $status = $resource_data->{'resource.'.$part.'.solved'};
2105: if ($status eq 'excused') {
2106: $symbol = 'x';
2107: $max -= $weight; # Do not count 'excused' problems.
2108: } elsif ($status eq 'ungraded_attempted') {
2109: $symbol = 'u';
2110: }
2111: $hasdata = 1;
2112: } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
2113: $symbol = 'd';
2114: $hasdata = 1;
2115: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
2116: # Unsolved. Did they try?
2117: if (exists($resource_data->{'resource.'.$part.'.tries'})){
2118: $symbol = '.';
2119: $hasdata = 1;
2120: } else {
2121: $symbol = ' ';
2122: }
2123: }
2124: #
2125: if (! defined($partscore)) {
2126: $partscore = $symbol;
2127: }
2128: push (@ScoreData,$partscore);
2129: #
2130: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
2131: my $link = '/adm/grades' .
2132: '?symb='.&escape($resource->shown_symb).
2133: '&student='.$student->{'username'}.
2134: '&userdom='.$student->{'domain'}.
2135: '&command=submission';
2136: $symbol = &link($symbol, $link);
2137: }
2138: $Str .= $symbol;
2139: }
2140: if ($ptsfreq{$resmax}) {
2141: $ptsfreq{$resmax} ++;
2142: } else {
2143: $ptsfreq{$resmax} = 1;
2144: }
2145: }
2146: if ($randompick) {
2147: my @uniquetotals = keys(%ptsfreq);
2148: if ((@uniquetotals == 1) && ($ptsfreq{$uniquetotals[0]} > 0)) {
2149: $max = $max * $randompick/$ptsfreq{$uniquetotals[0]};
2150: }
2151: }
2152: if (! $hasdata && $score == 0) {
2153: $score = ' ';
2154: }
2155: return ($Str,$performance_length,$score,$max,\@ScoreData);
2156: }
2157:
2158: #######################################################
2159: #######################################################
2160:
2161: =pod
2162:
2163: =item &CreateLegend()
2164:
2165: This function returns a formatted string containing the legend for the
2166: chart. The legend describes the symbols used to represent grades for
2167: problems.
2168:
2169: =cut
2170:
2171: #######################################################
2172: #######################################################
2173: sub CreateLegend {
2174: my $Str = "<p><pre>".
2175: " digit score or number of tries to get correct ".
2176: " * correct by student in more than 9 tries\n".
2177: " + correct by hand grading or override\n".
2178: " - incorrect by override\n".
2179: " . incorrect attempted\n".
2180: " u ungraded attempted\n".
2181: " d draft answer saved but not submitted\n".
2182: " not attempted (blank field)\n".
2183: " x excused".
2184: "</pre><p>";
2185: return $Str;
2186: }
2187:
2188: #######################################################
2189: #######################################################
2190:
2191: =pod
2192:
2193: =back
2194:
2195: =cut
2196:
2197: #######################################################
2198: #######################################################
2199:
2200: 1;
2201:
2202: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonstudentassessment.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface / statistics