File:
[LON-CAPA] /
loncom /
interface /
statistics /
lonstudentassessment.pm
Revision
1.150:
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Tue Sep 16 13:10:19 2008 UTC (15 years, 9 months ago) by
bisitz
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CVS tags:
version_2_9_X,
version_2_8_X,
version_2_8_2,
version_2_8_1,
version_2_8_0,
version_2_7_X,
version_2_7_99_1,
version_2_7_99_0,
version_2_7_1,
HEAD,
GCI_1
Replaced style for summary tables with LON-CAPA standard table styles
1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.150 2008/09/16 13:10:19 bisitz 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: #
170: # Print out the HTML headers for the interface
171: # This also parses the output mode selector
172: # This step must *always* be done.
173: $r->print(&CreateInterface());
174: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
175: $r->print('<input type="hidden" name="sort" value="'.
176: $env{'form.sort'}.'" />');
177: $r->rflush();
178: #
179: if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
180: return;
181: }
182: $r->print('<h4>'.
183: &Apache::lonstatistics::section_and_enrollment_description().
184: '</h4>');
185: #
186: my $initialize = \&html_initialize;
187: my $output_student = \&html_outputstudent;
188: my $finish = \&html_finish;
189: #
190: if ($output_mode eq 'excel') {
191: $initialize = \&excel_initialize;
192: $output_student = \&excel_outputstudent;
193: $finish = \&excel_finish;
194: } elsif ($output_mode eq 'csv') {
195: $initialize = \&csv_initialize;
196: $output_student = \&csv_outputstudent;
197: $finish = \&csv_finish;
198: }
199: #
200: if($c->aborted()) { return ; }
201: #
202: # Determine which students we want to look at
203: my @Students;
204: if ($single_student_mode) {
205: @Students = (&Apache::lonstatistics::current_student());
206: $r->print(&next_and_previous_buttons());
207: $r->rflush();
208: } else {
209: @Students = @Apache::lonstatistics::Students;
210: }
211: #
212: # Perform generic initialization tasks
213: # Since we use lonnet::EXT to retrieve problem weights,
214: # to ensure current data we must clear the caches out.
215: # This makes sure that parameter changes at the student level
216: # are immediately reflected in the chart.
217: &Apache::lonnet::clear_EXT_cache_status();
218: #
219: # Clean out loncoursedata's package data, just to be safe.
220: &Apache::loncoursedata::clear_internal_caches();
221: #
222: # Call the initialize routine selected above
223: $initialize->($r);
224: foreach my $student (@Students) {
225: if($c->aborted()) {
226: $finish->($r);
227: return ;
228: }
229: # Call the output_student routine selected above
230: $output_student->($r,$student);
231: }
232: # Call the "finish" routine selected above
233: $finish->($r);
234: #
235: return;
236: }
237:
238: #######################################################
239: #######################################################
240: sub next_and_previous_buttons {
241: my $Str = '';
242: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
243: $env{'form.SelectedStudent'}.'" />';
244: #
245: # Build the previous student link
246: my $previous = &Apache::lonstatistics::previous_student();
247: my $previousbutton = '';
248: if (defined($previous)) {
249: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
250: $previousbutton .= '<input type="button" value="'.
251: 'Previous Student ('.
252: $previous->{'username'}.'@'.$previous->{'domain'}.')'.
253: '" onclick="document.Statistics.SelectedStudent.value='.
254: "'".$sname."'".';'.
255: 'document.Statistics.submit();" />';
256: } else {
257: $previousbutton .= '<input type="button" value="'.
258: 'Previous student (none)'.'" />';
259: }
260: #
261: # Build the next student link
262: my $next = &Apache::lonstatistics::next_student();
263: my $nextbutton = '';
264: if (defined($next)) {
265: my $sname = $next->{'username'}.':'.$next->{'domain'};
266: $nextbutton .= '<input type="button" value="'.
267: 'Next Student ('.
268: $next->{'username'}.'@'.$next->{'domain'}.')'.
269: '" onclick="document.Statistics.SelectedStudent.value='.
270: "'".$sname."'".';'.
271: 'document.Statistics.submit();" />';
272: } else {
273: $nextbutton .= '<input type="button" value="'.
274: 'Next student (none)'.'" />';
275: }
276: #
277: # Build the 'all students' button
278: my $all = '';
279: $all .= '<input type="button" value="All Students" '.
280: '" onclick="document.Statistics.SelectedStudent.value='.
281: "''".';'.'document.Statistics.submit();" />';
282: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
283: return $Str;
284: }
285:
286: #######################################################
287: #######################################################
288:
289: sub get_student_fields_to_show {
290: my @to_show = @Apache::lonstatistics::SelectedStudentData;
291: foreach (@to_show) {
292: if ($_ eq 'all') {
293: @to_show = @Apache::lonstatistics::StudentDataOrder;
294: last;
295: }
296: }
297: return @to_show;
298: }
299:
300: #######################################################
301: #######################################################
302:
303: =pod
304:
305: =item &CreateInterface()
306:
307: Called by &BuildStudentAssessmentPage to create the top part of the
308: page which displays the chart.
309:
310: Inputs: None
311:
312: Returns: A string containing the HTML for the headers and top table for
313: the chart page.
314:
315: =cut
316:
317: #######################################################
318: #######################################################
319: sub CreateInterface {
320: my $Str = '';
321: $Str .= &Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data');
322: # $Str .= &CreateLegend();
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="Generate Chart" value="'.
365: &mt('Generate Chart').'" />';
366: $Str .= ' 'x5;
367: $Str .= '<input type="submit" name="selectstudent" value="'.
368: &mt('Select One Student').'" />';
369: $Str .= ' 'x5;
370: $Str .= '<input type="submit" name="ClearCache" value="'.
371: &mt('Clear Caches').'" />';
372: $Str .= ' 'x5;
373: $Str .=
374: &mt('Status [_1]',
375: '<input type="text" name="stats_status" size="60" value="" readonly="readonly" />');
376: $Str .= '<br />';
377: return $Str;
378: }
379:
380: #######################################################
381: #######################################################
382:
383: =pod
384:
385: =item &CreateAndParseOutputSelector()
386:
387: =cut
388:
389: #######################################################
390: #######################################################
391: my @OutputOptions =
392: ({ name => 'HTML, with links',
393: value => 'html, with links',
394: description => 'Output HTML with each symbol linked to the problem '.
395: 'which generated it.',
396: mode => 'html',
397: show_links => 'yes',
398: },
399: { name => 'HTML, with all links',
400: value => 'html, with all links',
401: description => 'Output HTML with each symbol linked to the problem '.
402: 'which generated it. '.
403: 'This includes links for unattempted problems.',
404: mode => 'html',
405: show_links => 'all',
406: },
407: { name => 'HTML, without links',
408: value => 'html, without links',
409: description => 'Output HTML. By not including links, the size of the'.
410: ' web page is greatly reduced. If your browser crashes on the '.
411: 'full display, try this.',
412: mode => 'html',
413: show_links => 'no',
414: },
415: { name => 'Excel',
416: value => 'excel',
417: description => 'Output an Excel file (compatable with Excel 95).',
418: mode => 'excel',
419: show_links => 'no',
420: },
421: { name => 'CSV',
422: value => 'csv',
423: description => 'Output a comma separated values file suitable for '.
424: 'import into a spreadsheet program. Using this method as opposed '.
425: 'to Excel output allows you to organize your data before importing'.
426: ' it into a spreadsheet program.',
427: mode => 'csv',
428: show_links => 'no',
429: },
430: );
431:
432: sub OutputDescriptions {
433: my $Str = '';
434: $Str .= "<h2>Output Formats</h2>\n";
435: $Str .= "<dl>\n";
436: foreach my $outputmode (@OutputOptions) {
437: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
438: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
439: }
440: $Str .= "</dl>\n";
441: return $Str;
442: }
443:
444: sub CreateAndParseOutputSelector {
445: my $Str = '';
446: my $elementname = 'chartoutputmode';
447: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
448: [$elementname]);
449: #
450: # Format for output options is 'mode, restrictions';
451: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
452: $selected = 'html, without links' if (!$selected);
453:
454: #
455: # Set package variables describing output mode
456: $show_links = 'no';
457: $output_mode = 'html';
458: foreach my $option (@OutputOptions) {
459: next if ($option->{'value'} ne $selected);
460: $output_mode = $option->{'mode'};
461: $show_links = $option->{'show_links'};
462: }
463:
464: #
465: # Build the form element
466: $Str = qq/<select size="5" name="$elementname">/;
467: foreach my $option (@OutputOptions) {
468: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
469: $Str .= " selected " if ($option->{'value'} eq $selected);
470: $Str .= ">".&mt($option->{'name'})."<\/option>";
471: }
472: $Str .= "\n</select>";
473: return $Str;
474: }
475:
476: ##
477: ## Data selector stuff
478: ##
479: my @OutputDataOptions =
480: (
481: { name => 'Scores Summary',
482: base => 'scores',
483: value => 'sum and total',
484: scores => 1,
485: tries => 0,
486: every_problem => 0,
487: sequence_sum => 1,
488: sequence_max => 1,
489: grand_total => 1,
490: grand_maximum => 1,
491: summary_table => 1,
492: maximum_row => 1,
493: ignore_weight => 0,
494: shortdesc => 'Total Score and Maximum Possible for each '.
495: 'Sequence or Folder',
496: longdesc => 'The score of each student as well as the '.
497: ' maximum possible on each Sequence or Folder.',
498: },
499: { name => 'Scores Per Problem',
500: base => 'scores',
501: value => 'scores',
502: scores => 1,
503: tries => 0,
504: correct => 0,
505: every_problem => 1,
506: sequence_sum => 1,
507: sequence_max => 1,
508: grand_total => 1,
509: grand_maximum => 1,
510: summary_table => 1,
511: maximum_row => 1,
512: ignore_weight => 0,
513: shortdesc => 'Score on each Problem Part',
514: longdesc =>'The students score on each problem part, computed as'.
515: 'the part weight * part awarded',
516: },
517: { name =>'Tries',
518: base =>'tries',
519: value => 'tries',
520: scores => 0,
521: tries => 1,
522: correct => 0,
523: every_problem => 1,
524: sequence_sum => 0,
525: sequence_max => 0,
526: grand_total => 0,
527: grand_maximum => 0,
528: summary_table => 0,
529: maximum_row => 0,
530: ignore_weight => 0,
531: shortdesc => 'Number of Tries before success on each Problem Part',
532: longdesc =>'The number of tries before success on each problem part.',
533: non_html_notes => 'negative values indicate an incorrect problem',
534: },
535: { name =>'Parts Correct',
536: base =>'tries',
537: value => 'parts correct total',
538: scores => 0,
539: tries => 0,
540: correct => 1,
541: every_problem => 1,
542: sequence_sum => 1,
543: sequence_max => 1,
544: grand_total => 1,
545: grand_maximum => 1,
546: summary_table => 1,
547: maximum_row => 0,
548: ignore_weight => 1,
549: shortdesc => 'Number of Problem Parts completed successfully.',
550: longdesc => 'The Number of Problem Parts completed successfully and '.
551: 'the maximum possible for each student',
552: },
553: );
554:
555: sub HTMLifyOutputDataDescriptions {
556: my $Str = '';
557: $Str .= "<h2>Output Data</h2>\n";
558: $Str .= "<dl>\n";
559: foreach my $option (@OutputDataOptions) {
560: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
561: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
562: }
563: $Str .= "</dl>\n";
564: return $Str;
565: }
566:
567: sub CreateAndParseOutputDataSelector {
568: my $Str = '';
569: my $elementname = 'chartoutputdata';
570: #
571: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
572: $selected = 'scores' if (!$selected);
573:
574: #
575: $chosen_output = $OutputDataOptions[0];
576: foreach my $option (@OutputDataOptions) {
577: if ($option->{'value'} eq $selected) {
578: $chosen_output = $option;
579: }
580: }
581: #
582: # Build the form element
583: $Str = qq/<select size="5" name="$elementname">/;
584: foreach my $option (@OutputDataOptions) {
585: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
586: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
587: $Str .= ">".&mt($option->{'name'})."<\/option>";
588: }
589: $Str .= "\n</select>";
590: return $Str;
591:
592: }
593:
594: #######################################################
595: #######################################################
596: sub count_parts {
597: my ($navmap,$sequence) = @_;
598: my @resources = &get_resources($navmap,$sequence);
599: my $count = 0;
600: foreach my $res (@resources) {
601: $count += scalar(@{$res->parts});
602: }
603: return $count;
604: }
605:
606: sub get_resources {
607: my ($navmap,$sequence) = @_;
608: my @resources = $navmap->retrieveResources($sequence,
609: sub { shift->is_problem(); },
610: 0,0,0);
611: return @resources;
612: }
613:
614: #######################################################
615: #######################################################
616:
617: =pod
618:
619: =head2 HTML output routines
620:
621: =item &html_initialize($r)
622:
623: Create labels for the columns of student data to show.
624:
625: =item &html_outputstudent($r,$student)
626:
627: Return a line of the chart for a student.
628:
629: =item &html_finish($r)
630:
631: =cut
632:
633: #######################################################
634: #######################################################
635: {
636: my $padding;
637: my $count;
638:
639: my $nodata_count; # The number of students for which there is no data
640: my %prog_state; # progress state used by loncommon PrgWin routines
641: my $total_sum_width;
642:
643: my %width; # Holds sequence width information
644: my @sequences;
645: my $navmap; # Have to keep this around since weakref is a bit zealous
646:
647: sub html_cleanup {
648: undef(%prog_state);
649: undef(%width);
650: #
651: undef($navmap);
652: undef(@sequences);
653: }
654:
655: sub html_initialize {
656: my ($r) = @_;
657: #
658: $padding = ' 'x3;
659: $count = 0;
660: $nodata_count = 0;
661: &html_cleanup();
662: ($navmap,@sequences) =
663: &Apache::lonstatistics::selected_sequences_with_assessments();
664: if (! ref($navmap)) {
665: # Unable to get data, so bail out
666: $r->print("<h3>".
667: &mt('Unable to retrieve course information.').
668: '</h3>');
669: }
670:
671: # If we're showing links, show a checkbox to open in new
672: # windows.
673: if ($show_links ne 'no') {
674: my $labeltext = &mt('Show links in new window:');
675: $r->print(<<NEW_WINDOW_CHECKBOX);
676: <script type="text/javascript">new_window = true;</script>
677: <p><label>$labeltext
678: <input type="checkbox" checked="1" onclick="new_window=this.checked" />
679: </label></p>
680: NEW_WINDOW_CHECKBOX
681: }
682:
683: #
684: $r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
685: " ".localtime(time)."</h3>");
686: #
687: if ($chosen_output->{'base'} !~ /^final table/) {
688: $r->print("<h3>".&mt($chosen_output->{'shortdesc'})."</h3>");
689: }
690: my $Str = "<pre>\n";
691: # First, the @StudentData fields need to be listed
692: my @to_show = &get_student_fields_to_show();
693: foreach my $field (@to_show) {
694: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
695: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
696: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
697: $Str .= $title.' 'x($width-$base).$padding;
698: }
699: #
700: # Compute the column widths and output the sequence titles
701: my $total_count;
702: #
703: # Compute sequence widths
704: my $starttime = Time::HiRes::time;
705: foreach my $seq (@sequences) {
706: my $symb = $seq->symb;
707: my $title = $seq->compTitle;
708: $width{$symb}->{'width_sum'} = 0;
709: # Compute width of sum
710: if ($chosen_output->{'sequence_sum'}) {
711: if ($chosen_output->{'every_problem'}) {
712: # Use 1 digit for a space
713: $width{$symb}->{'width_sum'} += 1;
714: }
715: $total_count += &count_parts($navmap,$seq);
716: # Use 3 digits for the sum
717: $width{$symb}->{'width_sum'} += 3;
718: }
719: # Compute width of maximum
720: if ($chosen_output->{'sequence_max'}) {
721: if ($width{$symb}->{'width_sum'}>0) {
722: # One digit for the '/'
723: $width{$symb}->{'width_sum'} +=1;
724: }
725: # Use 3 digits for the total
726: $width{$symb}->{'width_sum'}+=3;
727: }
728: #
729: if ($chosen_output->{'every_problem'}) {
730: # one problem per digit
731: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
732: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
733: } else {
734: $width{$symb}->{'width_problem'} = 0;
735: }
736: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
737: $width{$symb}->{'width_sum'};
738: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
739: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
740: }
741: #
742: # Output the sequence titles
743: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
744: length($title)
745: )).$padding;
746: }
747: $total_sum_width = length($total_count)+1;
748: $Str .= " total</pre>\n";
749: $Str .= "<pre>";
750: $r->print($Str);
751: $r->rflush();
752:
753: $r->print(<<JS);
754: <script type="text/javascript">
755: // get the left offset of a given widget as an absolute position
756: function getLeftOffset (element) {
757: return collect(element, "offsetLeft");
758: }
759:
760: // get the top offset of a given widget as an absolute position
761: function getTopOffset (element) {
762: return collect(element, "offsetTop");
763: }
764:
765: function collect(element, att) {
766: var val = 0;
767: while(element) {
768: val += element[att];
769: element = element.offsetParent;
770: }
771: return val;
772: }
773:
774: var currentDiv;
775: var currentElement;
776: function popup_score(element, score) {
777: popdown_score();
778: var left = getLeftOffset(element);
779: var top = getTopOffset(element);
780: var div = document.createElement("div");
781: div.className = "LC_chrt_popup";
782: div.appendChild(document.createTextNode(score));
783: div.style.position = "absolute";
784: div.style.top = (top - 25) + "px";
785: div.style.left = (left - 10) + "px";
786: currentDiv = div;
787: document.body.insertBefore(div, document.body.childNodes[0]);
788: element.className = "LC_chrt_popup_up";
789: currentElement = element;
790: }
791:
792: function popdown_score() {
793: if (currentDiv) {
794: document.body.removeChild(currentDiv);
795: }
796: if (currentElement) {
797: currentElement.className = 'LC_chrt_popup_exists';
798: }
799: currentDiv = undefined;
800: }
801: </script>
802: JS
803:
804: #
805: # Let the user know what we are doing
806: my $studentcount = scalar(@Apache::lonstatistics::Students);
807: if ($env{'form.SelectedStudent'}) {
808: $studentcount = '1';
809: }
810: #
811: # Initialize progress window
812: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
813: ($r,'HTML Chart Status',
814: 'HTML Chart Progress', $studentcount,
815: 'inline',undef,'Statistics','stats_status');
816: #
817: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
818: 'Processing first student');
819: return;
820: }
821:
822: sub html_outputstudent {
823: my ($r,$student) = @_;
824: my $Str = '';
825: return if (! defined($navmap));
826: #
827: if($count++ % 5 == 0 && $count > 0) {
828: $r->print("</pre><pre>");
829: }
830: # First, the @StudentData fields need to be listed
831: my @to_show = &get_student_fields_to_show();
832: foreach my $field (@to_show) {
833: my $title=$student->{$field};
834: # Deal with 'comments' - how I love special cases
835: if ($field eq 'comments') {
836: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
837: }
838: my $base = length($title);
839: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
840: $Str .= $title.' 'x($width-$base).$padding;
841: }
842: # Get ALL the students data
843: my %StudentsData;
844: my @tmp = &Apache::loncoursedata::get_current_state
845: ($student->{'username'},$student->{'domain'},undef,
846: $env{'request.course.id'});
847: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) {
848: %StudentsData = @tmp;
849: } else {
850: my $error = $1;
851: if (scalar(@tmp) < 1) {
852: $Str .= '<span class="LC_warning">'
853: .&mt('No Course Data')
854: .'</span>'."\n";
855: } else {
856: $Str .= '<span class="LC_error">'
857: .&mt('Error getting student data ([_1])',$error)
858: .'</span>'."\n";
859: }
860: $nodata_count++;
861: $r->print($Str);
862: $r->rflush();
863: return;
864: }
865: #
866: # By sequence build up the data
867: my $studentstats;
868: my $PerformanceStr = '';
869: foreach my $seq (@sequences) {
870: my $symb = $seq->symb;
871: my ($performance,$performance_length,$score,$seq_max,$rawdata);
872: if ($chosen_output->{'tries'}) {
873: ($performance,$performance_length,$score,$seq_max,$rawdata) =
874: &student_tries_on_sequence($student,\%StudentsData,
875: $navmap,$seq,$show_links);
876: } else {
877: ($performance,$performance_length,$score,$seq_max,$rawdata) =
878: &student_performance_on_sequence($student,\%StudentsData,
879: $navmap,$seq,$show_links,
880: $chosen_output->{ignore_weight});
881: }
882: my $ratio='';
883: if ($chosen_output->{'every_problem'} &&
884: $chosen_output->{'sequence_sum'}) {
885: $ratio .= ' ';
886: }
887: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
888: my $score .= sprintf("%3.0f",$score);
889: $ratio .= (' 'x(3-length($score))).$score;
890: } elsif($chosen_output->{'sequence_sum'}) {
891: $ratio .= ' 'x3;
892: }
893: if ($chosen_output->{'sequence_max'}) {
894: if ($chosen_output->{'sequence_sum'}) {
895: $ratio .= '/';
896: }
897: $ratio .= sprintf("%3.0f",$seq_max);
898: }
899: #
900: if (! $chosen_output->{'every_problem'}) {
901: $performance = '';
902: $performance_length=0;
903: }
904: $performance .= ' 'x($width{$symb}->{'width_total'} -
905: $performance_length -
906: $width{$symb}->{'width_sum'}).
907: $ratio;
908: #
909: $Str .= $performance.$padding;
910: #
911: $studentstats->{$symb}->{'score'}= $score;
912: $studentstats->{$symb}->{'max'} = $seq_max;
913: }
914: #
915: # Total it up and store the statistics info.
916: my ($score,$max);
917: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
918: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
919: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
920: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
921: }
922: if ($seq_stats->{'score'} ne ' ') {
923: $score += $seq_stats->{'score'};
924: $Statistics->{$symb}->{'num_students'}++;
925: }
926: $max += $seq_stats->{'max'};
927: }
928: if (! defined($score)) {
929: $score = ' ' x $total_sum_width;
930: } else {
931: $score = sprintf("%.0f",$score);
932: $score = (' 'x(3-length($score))).$score;
933: }
934: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
935: $Str .= " \n";
936: #
937: $r->print($Str);
938: #
939: $r->rflush();
940: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
941: return;
942: }
943:
944: sub html_finish {
945: my ($r) = @_;
946: return if (! defined($navmap));
947: #
948: # Check for suppressed output and close the progress window if so
949: $r->print("</pre>\n");
950: if ($chosen_output->{'summary_table'}) {
951: if ($single_student_mode) {
952: $r->print(&SingleStudentTotal());
953: } else {
954: $r->print(&StudentAverageTotal());
955: }
956: }
957: $r->rflush();
958: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
959: &html_cleanup();
960: return;
961: }
962:
963: sub StudentAverageTotal {
964: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
965: $Str .= &Apache::loncommon::start_data_table();
966: $Str .= &Apache::loncommon::start_data_table_header_row().
967: '<th>'.&mt('Title').'</th>'.
968: '<th>'.&mt('Average').'</th>'.
969: '<th>'.&mt('Maximum').'</th>'.
970: &Apache::loncommon::end_data_table_header_row().$/;
971: foreach my $seq (@sequences) {
972: my $symb = $seq->symb;
973: my $ave;
974: my $num_students = $Statistics->{$symb}->{'num_students'};
975: if ($num_students > 0) {
976: $ave = int(100*
977: ($Statistics->{$symb}->{'score'}/$num_students)
978: )/100;
979: } else {
980: $ave = 0;
981: }
982: my $max = $Statistics->{$symb}->{'max'};
983: $ave = sprintf("%.2f",$ave);
984: $Str .= &Apache::loncommon::start_data_table_row().
985: '<td>'.$seq->compTitle.'</td>'.
986: '<td align="right">'.$ave.' </td>'.
987: '<td align="right">'.$max.' '.'</td>'.
988: &Apache::loncommon::end_data_table_row()."\n";
989: }
990: $Str .= &Apache::loncommon::end_data_table()."\n";
991: return $Str;
992: }
993:
994: sub SingleStudentTotal {
995: return if (! defined($navmap));
996: my $student = &Apache::lonstatistics::current_student();
997: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2]@[_3])',
998: $student->{'fullname'},
999: $student->{'username'},$student->{'domain'}).'</h3>';
1000: $Str .= $/;
1001: $Str .= &Apache::loncommon::start_data_table()."\n";
1002: $Str .=
1003: &Apache::loncommon::start_data_table_header_row().
1004: '<th>'.&mt('Sequence or Folder').'</th>';
1005: if ($chosen_output->{'base'} eq 'tries') {
1006: $Str .= '<th>'.&mt('Parts Correct').'</th>';
1007: } else {
1008: $Str .= '<th>'.&mt('Score').'</th>';
1009: }
1010: $Str .= '<th>'.&mt('Maximum').'</th>'.
1011: &Apache::loncommon::end_data_table_header_row()."\n";
1012: my $total = 0;
1013: my $total_max = 0;
1014: foreach my $seq (@sequences) {
1015: my $value = $Statistics->{$seq->symb}->{'score'};
1016: my $max = $Statistics->{$seq->symb}->{'max'};
1017: $Str .= &Apache::loncommon::start_data_table_row().
1018: '<td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
1019: '<td align="right">'.$value.'</td>'.
1020: '<td align="right">'.$max.'</td>'.
1021: &Apache::loncommon::end_data_table_row()."\n";
1022: $total += $value;
1023: $total_max +=$max;
1024: }
1025: $Str .= &Apache::loncommon::start_data_table_row().
1026: '<td><b>'.&mt('Total').'</b></td>'.
1027: '<td align="right">'.$total.'</td>'.
1028: '<td align="right">'.$total_max.'</td>'.
1029: &Apache::loncommon::end_data_table_row()."\n";
1030: $Str .= &Apache::loncommon::end_data_table()."\n";
1031: return $Str;
1032: }
1033:
1034: }
1035:
1036: #######################################################
1037: #######################################################
1038:
1039: =pod
1040:
1041: =head2 EXCEL subroutines
1042:
1043: =item &excel_initialize($r)
1044:
1045: =item &excel_outputstudent($r,$student)
1046:
1047: =item &excel_finish($r)
1048:
1049: =cut
1050:
1051: #######################################################
1052: #######################################################
1053: {
1054:
1055: my $excel_sheet;
1056: my $excel_workbook;
1057: my $format;
1058:
1059: my $filename;
1060: my $rows_output;
1061: my $cols_output;
1062:
1063: my %prog_state; # progress window state
1064: my $request_aborted;
1065:
1066: my $total_formula;
1067: my $maximum_formula;
1068: my %formula_data;
1069:
1070: my $navmap;
1071: my @sequences;
1072:
1073: sub excel_cleanup {
1074: #
1075: undef ($excel_sheet);
1076: undef ($excel_workbook);
1077: undef ($filename);
1078: undef ($rows_output);
1079: undef ($cols_output);
1080: undef (%prog_state);
1081: undef ($request_aborted);
1082: undef ($total_formula);
1083: undef ($maximum_formula);
1084: #
1085: undef(%formula_data);
1086: #
1087: undef($navmap);
1088: undef(@sequences);
1089: }
1090:
1091: sub excel_initialize {
1092: my ($r) = @_;
1093:
1094: &excel_cleanup();
1095: ($navmap,@sequences) =
1096: &Apache::lonstatistics::selected_sequences_with_assessments();
1097: if (! ref($navmap)) {
1098: # Unable to get data, so bail out
1099: $r->print("<h3>".
1100: &mt('Unable to retrieve course information.').
1101: '</h3>');
1102: }
1103: #
1104: my $total_columns = scalar(&get_student_fields_to_show());
1105: my $num_students = scalar(@Apache::lonstatistics::Students);
1106: #
1107: foreach my $seq (@sequences) {
1108: if ($chosen_output->{'every_problem'}) {
1109: $total_columns+=&count_parts($navmap,$seq);
1110: }
1111: # Add 2 because we need a 'sequence_sum' and 'total' column for each
1112: $total_columns += 2;
1113: }
1114: my $too_many_cols_error_message =
1115: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
1116: '<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>'.$/.
1117: '<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
1118: '<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
1119: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1120: $r->print($too_many_cols_error_message);
1121: $request_aborted = 1;
1122: }
1123: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1124: $r->print($too_many_cols_error_message);
1125: $request_aborted = 1;
1126: }
1127: return if ($request_aborted);
1128: #
1129: #
1130: $excel_workbook = undef;
1131: $excel_sheet = undef;
1132: #
1133: $rows_output = 0;
1134: $cols_output = 0;
1135: #
1136: # Determine rows
1137: my $header_row = $rows_output++;
1138: my $description_row = $rows_output++;
1139: my $notes_row = $rows_output++;
1140: $rows_output++; # blank row
1141: my $summary_header_row;
1142: if ($chosen_output->{'summary_table'}) {
1143: $summary_header_row = $rows_output++;
1144: $rows_output+= scalar(@sequences);
1145: $rows_output++;
1146: }
1147: my $sequence_name_row = $rows_output++;
1148: my $resource_name_row = $rows_output++;
1149: my $maximum_data_row = $rows_output++;
1150: if (! $chosen_output->{'maximum_row'}) {
1151: $rows_output--;
1152: }
1153: my $first_data_row = $rows_output++;
1154: #
1155: # Create sheet
1156: ($excel_workbook,$filename,$format)=
1157: &Apache::loncommon::create_workbook($r);
1158: return if (! defined($excel_workbook));
1159: #
1160: # Add a worksheet
1161: my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
1162: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1163: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1164: #
1165: # Put the course description in the header
1166: $excel_sheet->write($header_row,$cols_output++,
1167: $env{'course.'.$env{'request.course.id'}.'.description'},
1168: $format->{'h1'});
1169: $cols_output += 3;
1170: #
1171: # Put a description of the sections listed
1172: my $sectionstring = '';
1173: my @Sections = &Apache::lonstatistics::get_selected_sections();
1174: $excel_sheet->write($header_row,$cols_output++,
1175: &Apache::lonstatistics::section_and_enrollment_description('plaintext'),
1176: $format->{'h3'});
1177: #
1178: # Put the date in there too
1179: $excel_sheet->write($header_row,$cols_output++,
1180: 'Compiled on '.localtime(time),$format->{'h3'});
1181: #
1182: $cols_output = 0;
1183: $excel_sheet->write($description_row,$cols_output++,
1184: $chosen_output->{'shortdesc'},
1185: $format->{'b'});
1186: #
1187: $cols_output = 0;
1188: $excel_sheet->write($notes_row,$cols_output++,
1189: $chosen_output->{'non_html_notes'},
1190: $format->{'i'});
1191:
1192: ##############################################
1193: # Output headings for the raw data
1194: ##############################################
1195: #
1196: # Add the student headers
1197: $cols_output = 0;
1198: foreach my $field (&get_student_fields_to_show()) {
1199: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1200: $format->{'bold'});
1201: }
1202: #
1203: # Add the remaining column headers
1204: my $total_formula_string = '=0';
1205: my $maximum_formula_string = '=0';
1206: foreach my $seq (@sequences) {
1207: my $symb = $seq->symb;
1208: $excel_sheet->write($sequence_name_row,,
1209: $cols_output,$seq->compTitle,$format->{'bold'});
1210: # Determine starting cell
1211: $formula_data{$symb}->{'Excel:startcell'}=
1212: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1213: ($first_data_row,$cols_output);
1214: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1215: my $count = 0;
1216: if ($chosen_output->{'every_problem'}) {
1217: # Put the names of the problems and parts into the sheet
1218: foreach my $res (&get_resources($navmap,$seq)) {
1219: if (scalar(@{$res->parts}) > 1) {
1220: foreach my $part (@{$res->parts}) {
1221: $excel_sheet->write($resource_name_row,
1222: $cols_output++,
1223: $res->compTitle.' part '.$res->part_display($part),
1224: $format->{'bold'});
1225: $count++;
1226: }
1227: } else {
1228: $excel_sheet->write($resource_name_row,
1229: $cols_output++,
1230: $res->compTitle,$format->{'bold'});
1231: $count++;
1232: }
1233: }
1234: }
1235: # Determine ending cell
1236: if ($count <= 1) {
1237: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1238: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1239: } else {
1240: $formula_data{$symb}->{'Excel:endcell'} =
1241: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1242: ($first_data_row,$cols_output-1);
1243: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1244: }
1245: # Create the formula for summing up this sequence
1246: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1247: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1248: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1249: }
1250:
1251: my $start = $formula_data{$symb}->{'Excel:startcell'};
1252: my $end = $formula_data{$symb}->{'Excel:endcell'};
1253: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1254: ("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
1255: # Determine cell the score is held in
1256: $formula_data{$symb}->{'Excel:scorecell'} =
1257: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1258: ($first_data_row,$cols_output);
1259: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1260: if ($chosen_output->{'base'} eq 'parts correct total') {
1261: $excel_sheet->write($resource_name_row,$cols_output++,
1262: 'parts correct',
1263: $format->{'bold'});
1264: } elsif ($chosen_output->{'sequence_sum'}) {
1265: if ($chosen_output->{'correct'}) {
1266: # Only reporting the number correct, so do not call it score
1267: $excel_sheet->write($resource_name_row,$cols_output++,
1268: 'sum',
1269: $format->{'bold'});
1270: } else {
1271: $excel_sheet->write($resource_name_row,$cols_output++,
1272: 'score',
1273: $format->{'bold'});
1274: }
1275: }
1276: #
1277: $total_formula_string.='+'.
1278: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1279: ($first_data_row,$cols_output-1);
1280: if ($chosen_output->{'sequence_max'}) {
1281: $excel_sheet->write($resource_name_row,$cols_output,
1282: 'maximum',
1283: $format->{'bold'});
1284: $formula_data{$symb}->{'Excel:maxcell'} =
1285: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1286: ($first_data_row,$cols_output);
1287: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1288: $maximum_formula_string.='+'.
1289: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1290: ($first_data_row,$cols_output);
1291: $cols_output++;
1292:
1293: }
1294: }
1295: if ($chosen_output->{'grand_total'}) {
1296: $excel_sheet->write($resource_name_row,$cols_output++,'Total',
1297: $format->{'bold'});
1298: }
1299: if ($chosen_output->{'grand_maximum'}) {
1300: $excel_sheet->write($resource_name_row,$cols_output++,'Max. Total',
1301: $format->{'bold'});
1302: }
1303: $total_formula = $excel_sheet->store_formula($total_formula_string);
1304: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1305: ##############################################
1306: # Output a row for MAX, if appropriate
1307: ##############################################
1308: if ($chosen_output->{'maximum_row'}) {
1309: $cols_output = 0;
1310: foreach my $field (&get_student_fields_to_show()) {
1311: if ($field eq 'username' || $field eq 'fullname' ||
1312: $field eq 'id') {
1313: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1314: $format->{'bold'});
1315: } else {
1316: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1317: }
1318: }
1319: #
1320: # Add the maximums for each sequence or assessment
1321: my %total_cell_translation;
1322: my %maximum_cell_translation;
1323: foreach my $seq (@sequences) {
1324: my $symb = $seq->symb;
1325: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1326: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1327: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1328: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1329: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1330: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1331: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1332: my $weight;
1333: my $max = 0;
1334: foreach my $resource (&get_resources($navmap,$seq)) {
1335: foreach my $part (@{$resource->parts}){
1336: $weight = 1;
1337: if ($chosen_output->{'scores'}) {
1338: $weight = &Apache::lonnet::EXT
1339: ('resource.'.$part.'.weight',$resource->symb,
1340: undef,undef,undef);
1341: if (!defined($weight) || ($weight eq '')) {
1342: $weight=1;
1343: }
1344: }
1345: if ($chosen_output->{'scores'} &&
1346: $chosen_output->{'every_problem'}) {
1347: $excel_sheet->write($maximum_data_row,$cols_output++,
1348: $weight);
1349: }
1350: $max += $weight;
1351: }
1352: }
1353: #
1354: if ($chosen_output->{'sequence_sum'} &&
1355: $chosen_output->{'every_problem'}) {
1356: my %replaceCells=
1357: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1358: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1359: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1360: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1361: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1362: $formula_data{$symb}->{'Excel:sum'},undef,
1363: %replaceCells, %replaceCells);
1364:
1365: } elsif ($chosen_output->{'sequence_sum'}) {
1366: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1367: }
1368: if ($chosen_output->{'sequence_max'}) {
1369: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1370: }
1371: #
1372: }
1373: if ($chosen_output->{'grand_total'}) {
1374: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1375: $total_formula,undef,
1376: %total_cell_translation);
1377: }
1378: if ($chosen_output->{'grand_maximum'}) {
1379: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1380: $maximum_formula,undef,
1381: %maximum_cell_translation);
1382: }
1383: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1384: $rows_output = $first_data_row;
1385: ##############################################
1386: # Output summary table, which actually is above the sequence name row.
1387: ##############################################
1388: if ($chosen_output->{'summary_table'}) {
1389: $cols_output = 0;
1390: $excel_sheet->write($summary_header_row,$cols_output++,
1391: 'Summary Table',$format->{'bold'});
1392: if ($chosen_output->{'maximum_row'}) {
1393: $excel_sheet->write($summary_header_row,$cols_output++,
1394: 'Maximum',$format->{'bold'});
1395: }
1396: $excel_sheet->write($summary_header_row,$cols_output++,
1397: 'Average',$format->{'bold'});
1398: $excel_sheet->write($summary_header_row,$cols_output++,
1399: 'Median',$format->{'bold'});
1400: $excel_sheet->write($summary_header_row,$cols_output++,
1401: 'Std Dev',$format->{'bold'});
1402: my $row = $summary_header_row+1;
1403: foreach my $seq (@sequences) {
1404: my $symb = $seq->symb;
1405: $cols_output = 0;
1406: $excel_sheet->write($row,$cols_output++,
1407: $seq->compTitle,
1408: $format->{'bold'});
1409: if ($chosen_output->{'maximum_row'}) {
1410: $excel_sheet->write
1411: ($row,$cols_output++,
1412: '='.
1413: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1414: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1415: );
1416: }
1417: my $range =
1418: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1419: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1420: ':'.
1421: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1422: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1423: $excel_sheet->write($row,$cols_output++,
1424: '=AVERAGE('.$range.')');
1425: $excel_sheet->write($row,$cols_output++,
1426: '=MEDIAN('.$range.')');
1427: $excel_sheet->write($row,$cols_output++,
1428: '=STDEV('.$range.')');
1429: $row++;
1430: }
1431: }
1432: ##############################################
1433: # Take care of non-excel initialization
1434: ##############################################
1435: #
1436: # Let the user know what we are doing
1437: my $studentcount = scalar(@Apache::lonstatistics::Students);
1438: if ($env{'form.SelectedStudent'}) {
1439: $studentcount = '1';
1440: }
1441: if ($studentcount > 1) {
1442: $r->print('<h1>'.&mt('Compiling Excel spreadsheet for [_1] students',
1443: $studentcount)."</h1>\n");
1444: } else {
1445: $r->print('<h1>'.
1446: &mt('Compiling Excel spreadsheet for 1 student').
1447: "</h1>\n");
1448: }
1449: $r->rflush();
1450: #
1451: # Initialize progress window
1452: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1453: ($r,'Excel File Compilation Status',
1454: 'Excel File Compilation Progress', $studentcount,
1455: 'inline',undef,'Statistics','stats_status');
1456: #
1457: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1458: 'Processing first student');
1459: return;
1460: }
1461:
1462: sub excel_outputstudent {
1463: my ($r,$student) = @_;
1464: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1465: return;
1466: }
1467: $cols_output=0;
1468: #
1469: # Write out student data
1470: my @to_show = &get_student_fields_to_show();
1471: foreach my $field (@to_show) {
1472: my $value = $student->{$field};
1473: if ($field eq 'comments') {
1474: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1475: ($student->{'username'},$student->{'domain'});
1476: }
1477: $excel_sheet->write($rows_output,$cols_output++,$value);
1478: }
1479: #
1480: # Get student assessment data
1481: my %StudentsData;
1482: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1483: $student->{'domain'},
1484: undef,
1485: $env{'request.course.id'});
1486: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1487: %StudentsData = @tmp;
1488: }
1489: #
1490: # Write out sequence scores and totals data
1491: my %total_cell_translation;
1492: my %maximum_cell_translation;
1493: foreach my $seq (@sequences) {
1494: my $symb = $seq->symb;
1495: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1496: # Keep track of cells to translate in total cell
1497: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1498: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1499: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1500: # and maximum cell
1501: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1502: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1503: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1504: #
1505: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1506: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1507: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1508: &student_tries_on_sequence($student,\%StudentsData,
1509: $navmap,$seq,'no');
1510: } else {
1511: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1512: &student_performance_on_sequence($student,\%StudentsData,
1513: $navmap,$seq,'no',
1514: $chosen_output->{ignore_weight});
1515: }
1516: if ($chosen_output->{'every_problem'}) {
1517: if ($chosen_output->{'correct'}) {
1518: # only indiciate if each item is correct or not
1519: foreach my $value (@$rawdata) {
1520: # positive means correct, 0 or negative means
1521: # incorrect
1522: $value = $value > 0 ? 1 : 0;
1523: $excel_sheet->write($rows_output,$cols_output++,$value);
1524: }
1525: } else {
1526: foreach my $value (@$rawdata) {
1527: if ($score eq ' ' || !defined($value)) {
1528: $cols_output++;
1529: } else {
1530: $excel_sheet->write($rows_output,$cols_output++,
1531: $value);
1532: }
1533: }
1534: }
1535: }
1536: if ($chosen_output->{'sequence_sum'} &&
1537: $chosen_output->{'every_problem'}) {
1538: # Write a formula for the sum of this sequence
1539: my %replaceCells=
1540: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1541: =>
1542: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1543: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1544: );
1545: # The undef is for the format
1546: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1547: $formula_data{$symb}->{'Excel:sum'},undef,
1548: %replaceCells, %replaceCells);
1549: } elsif ($chosen_output->{'sequence_sum'}) {
1550: if ($score eq ' ') {
1551: $cols_output++;
1552: } else {
1553: $excel_sheet->write($rows_output,$cols_output++,$score);
1554: }
1555: }
1556: if ($chosen_output->{'sequence_max'}) {
1557: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1558: }
1559: }
1560: #
1561: if ($chosen_output->{'grand_total'}) {
1562: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1563: $total_formula,undef,
1564: %total_cell_translation);
1565: }
1566: if ($chosen_output->{'grand_maximum'}) {
1567: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1568: $maximum_formula,undef,
1569: %maximum_cell_translation);
1570: }
1571: #
1572: # Bookkeeping
1573: $rows_output++;
1574: $cols_output=0;
1575: #
1576: # Update the progress window
1577: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1578: return;
1579: }
1580:
1581: sub excel_finish {
1582: my ($r) = @_;
1583: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1584: &excel_cleanup();
1585: return;
1586: }
1587: #
1588: # Write the excel file
1589: $excel_workbook->close();
1590: #
1591: # Close the progress window
1592: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1593: #
1594: # Tell the user where to get their excel file
1595: $r->print('<br />'.
1596: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1597: $r->rflush();
1598: &excel_cleanup();
1599: return;
1600: }
1601:
1602: }
1603: #######################################################
1604: #######################################################
1605:
1606: =pod
1607:
1608: =head2 CSV output routines
1609:
1610: =item &csv_initialize($r)
1611:
1612: =item &csv_outputstudent($r,$student)
1613:
1614: =item &csv_finish($r)
1615:
1616: =cut
1617:
1618: #######################################################
1619: #######################################################
1620: {
1621:
1622: my $outputfile;
1623: my $filename;
1624: my $request_aborted;
1625: my %prog_state; # progress window state
1626: my $navmap;
1627: my @sequences;
1628:
1629: sub csv_cleanup {
1630: undef($outputfile);
1631: undef($filename);
1632: undef($request_aborted);
1633: undef(%prog_state);
1634: #
1635: undef($navmap);
1636: undef(@sequences);
1637: }
1638:
1639: sub csv_initialize{
1640: my ($r) = @_;
1641:
1642: &csv_cleanup();
1643: ($navmap,@sequences) =
1644: &Apache::lonstatistics::selected_sequences_with_assessments();
1645: if (! ref($navmap)) {
1646: # Unable to get data, so bail out
1647: $r->print("<h3>".
1648: &mt('Unable to retrieve course information.').
1649: '</h3>');
1650: }
1651: #
1652: # Deal with unimplemented requests
1653: $request_aborted = undef;
1654: if ($chosen_output->{'base'} =~ /final table/) {
1655: $r->print(<<END);
1656: <h2>Unable to Complete Request</h2>
1657: <p>
1658: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1659: </p>
1660: END
1661: $request_aborted = 1;
1662: }
1663: return if ($request_aborted);
1664: #
1665: # Initialize progress window
1666: my $studentcount = scalar(@Apache::lonstatistics::Students);
1667: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1668: ($r,'CSV File Compilation Status',
1669: 'CSV File Compilation Progress', $studentcount,
1670: 'inline',undef,'Statistics','stats_status');
1671: #
1672: # Open a file
1673: ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
1674: if (! defined($outputfile)) { return ''; }
1675: #
1676: # Datestamp
1677: my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
1678: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1679: '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'.
1680: "\n";
1681: print $outputfile '"'.
1682: &Apache::loncommon::csv_translate
1683: (&Apache::lonstatistics::section_and_enrollment_description()).
1684: '"'."\n";
1685: foreach my $item ('shortdesc','non_html_notes') {
1686: next if (! exists($chosen_output->{$item}));
1687: print $outputfile
1688: '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
1689: "\n";
1690: }
1691: #
1692: # Print out the headings
1693: my $sequence_row = '';
1694: my $resource_row = undef;
1695: foreach my $field (&get_student_fields_to_show()) {
1696: $sequence_row .='"",';
1697: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1698: }
1699: foreach my $seq (@sequences) {
1700: $sequence_row .= '"'.
1701: &Apache::loncommon::csv_translate($seq->compTitle).'",';
1702: my $count = 0;
1703: if ($chosen_output->{'every_problem'}) {
1704: foreach my $res (&get_resources($navmap,$seq)) {
1705: if (scalar(@{$res->parts}) < 1) {
1706: next;
1707: }
1708: foreach my $part (@{$res->parts}) {
1709: $resource_row .= '"'.
1710: &Apache::loncommon::csv_translate
1711: ($res->compTitle.', Part '.$res->part_display($part)).'",';
1712: $count++;
1713: }
1714: }
1715: }
1716: $sequence_row.='"",'x$count;
1717: if ($chosen_output->{'sequence_sum'}) {
1718: if($chosen_output->{'correct'}) {
1719: $resource_row .= '"sum",';
1720: } else {
1721: $resource_row .= '"score",';
1722: }
1723: }
1724: if ($chosen_output->{'sequence_max'}) {
1725: $sequence_row.= '"",';
1726: $resource_row .= '"maximum possible",';
1727: }
1728: }
1729: if ($chosen_output->{'grand_total'}) {
1730: $sequence_row.= '"",';
1731: $resource_row.= '"Total",';
1732: }
1733: if ($chosen_output->{'grand_maximum'}) {
1734: $sequence_row.= '"",';
1735: $resource_row.= '"Maximum",';
1736: }
1737: chomp($sequence_row);
1738: chomp($resource_row);
1739: print $outputfile $sequence_row."\n";
1740: print $outputfile $resource_row."\n";
1741: return;
1742: }
1743:
1744: sub csv_outputstudent {
1745: my ($r,$student) = @_;
1746: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1747: return;
1748: }
1749: my $Str = '';
1750: #
1751: # Output student fields
1752: my @to_show = &get_student_fields_to_show();
1753: foreach my $field (@to_show) {
1754: my $value = $student->{$field};
1755: if ($field eq 'comments') {
1756: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1757: ($student->{'username'},$student->{'domain'});
1758: }
1759: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1760: }
1761: #
1762: # Get student assessment data
1763: my %StudentsData;
1764: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1765: $student->{'domain'},
1766: undef,
1767: $env{'request.course.id'});
1768: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1769: %StudentsData = @tmp;
1770: }
1771: #
1772: # Output performance data
1773: my $total = 0;
1774: my $maximum = 0;
1775: foreach my $seq (@sequences) {
1776: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1777: if ($chosen_output->{'tries'}){
1778: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1779: &student_tries_on_sequence($student,\%StudentsData,
1780: $navmap,$seq,'no');
1781: } else {
1782: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1783: &student_performance_on_sequence($student,\%StudentsData,
1784: $navmap,$seq,'no',
1785: $chosen_output->{ignore_weight});
1786: }
1787: if ($chosen_output->{'every_problem'}) {
1788: if ($chosen_output->{'correct'}) {
1789: $score = 0;
1790: # Deal with number of parts correct data
1791: $Str .= '"'.join('","',( map { if ($_>0) {
1792: $score += 1;
1793: 1;
1794: } else {
1795: 0;
1796: }
1797: } @$rawdata)).'",';
1798: } else {
1799: $Str .= '"'.join('","',(@$rawdata)).'",';
1800: }
1801: }
1802: if ($chosen_output->{'sequence_sum'}) {
1803: $Str .= '"'.$score.'",';
1804: }
1805: if ($chosen_output->{'sequence_max'}) {
1806: $Str .= '"'.$seq_max.'",';
1807: }
1808: $total+=$score;
1809: $maximum += $seq_max;
1810: }
1811: if ($chosen_output->{'grand_total'}) {
1812: $Str .= '"'.$total.'",';
1813: }
1814: if ($chosen_output->{'grand_maximum'}) {
1815: $Str .= '"'.$maximum.'",';
1816: }
1817: chop($Str);
1818: $Str .= "\n";
1819: print $outputfile $Str;
1820: #
1821: # Update the progress window
1822: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1823: return;
1824: }
1825:
1826: sub csv_finish {
1827: my ($r) = @_;
1828: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1829: &csv_cleanup();
1830: return;
1831: }
1832: close($outputfile);
1833: #
1834: # Close the progress window
1835: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1836: #
1837: # Tell the user where to get their csv file
1838: $r->print('<br />'.
1839: '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1840: $r->rflush();
1841: &csv_cleanup();
1842: return;
1843:
1844: }
1845:
1846: }
1847:
1848: # This function will return an HTML string including a star, with
1849: # a mouseover popup showing the "real" value. An optional second
1850: # argument lets you show something other than a star.
1851: sub show_star {
1852: my $popup = shift;
1853: my $symbol = shift || '*';
1854: # Escape the popup for JS.
1855: $popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;
1856:
1857: return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>";
1858: }
1859:
1860: #######################################################
1861: #######################################################
1862:
1863: =pod
1864:
1865: =item &StudentTriesOnSequence()
1866:
1867: Inputs:
1868:
1869: =over 4
1870:
1871: =item $student
1872:
1873: =item $studentdata Hash ref to all student data
1874:
1875: =item $seq Hash ref, the sequence we are working on
1876:
1877: =item $links if defined we will output links to each resource.
1878:
1879: =back
1880:
1881: =cut
1882:
1883: #######################################################
1884: #######################################################
1885: sub student_tries_on_sequence {
1886: my ($student,$studentdata,$navmap,$seq,$links) = @_;
1887: $links = 'no' if (! defined($links));
1888: my $Str = '';
1889: my ($sum,$max) = (0,0);
1890: my $performance_length = 0;
1891: my @TriesData = ();
1892: my $tries;
1893: my $hasdata = 0; # flag - true if the student has any data on the sequence
1894: foreach my $resource (&get_resources($navmap,$seq)) {
1895: my $resource_data = $studentdata->{$resource->symb};
1896: my $value = '';
1897: foreach my $partnum (@{$resource->parts()}) {
1898: $tries = undef;
1899: $max++;
1900: $performance_length++;
1901: my $symbol = ' '; # default to space
1902: #
1903: my $awarded = 0;
1904: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1905: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1906: $awarded = 0 if (! $awarded);
1907: }
1908: #
1909: my $status = '';
1910: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1911: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1912: }
1913: #
1914: my $tries = 0;
1915: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1916: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1917: $hasdata =1;
1918: }
1919: #
1920: if ($awarded > 0) {
1921: # The student has gotten the problem correct to some degree
1922: if ($status eq 'excused') {
1923: $symbol = 'x';
1924: $max--;
1925: } elsif ($status eq 'correct_by_override' && !$resource->is_task()) {
1926: $symbol = '+';
1927: $sum++;
1928: } elsif ($tries > 0) {
1929: if ($tries > 9) {
1930: $symbol = show_star($tries);
1931: } else {
1932: $symbol = $tries;
1933: }
1934: $sum++;
1935: } else {
1936: $symbol = '+';
1937: $sum++;
1938: }
1939: } else {
1940: # The student has the problem incorrect or it is ungraded
1941: if ($status eq 'excused') {
1942: $symbol = 'x';
1943: $max--;
1944: } elsif ($status eq 'incorrect_by_override') {
1945: $symbol = '-';
1946: } elsif ($status eq 'ungraded_attempted') {
1947: $symbol = 'u';
1948: } elsif ($status eq 'incorrect_attempted' ||
1949: $tries > 0) {
1950: $symbol = '.';
1951: } else {
1952: # Problem is wrong and has not been attempted.
1953: $symbol=' ';
1954: }
1955: }
1956: #
1957: if (! defined($tries)) {
1958: $tries = 0;
1959: }
1960: if ($status =~ /^(incorrect|ungraded)/) {
1961: # Bug 3390: show '-' for tries on incorrect problems
1962: # (csv & excel only)
1963: push(@TriesData,-$tries);
1964: } else {
1965: push (@TriesData,$tries);
1966: }
1967: #
1968: if ( ($links eq 'yes' && $symbol ne ' ') ||
1969: ($links eq 'all')) {
1970: my $link = '/adm/grades'.
1971: '?symb='.&escape($resource->shown_symb).
1972: '&student='.$student->{'username'}.
1973: '&userdom='.$student->{'domain'}.
1974: '&command=submission';
1975: $symbol = &link($symbol, $link);
1976: }
1977: $value .= $symbol;
1978: }
1979: $Str .= $value;
1980: }
1981: if ($seq->randompick()) {
1982: $max = $seq->randompick();
1983: }
1984: if (! $hasdata && $sum == 0) {
1985: $sum = ' ';
1986: }
1987: return ($Str,$performance_length,$sum,$max,\@TriesData);
1988: }
1989:
1990: =pod
1991:
1992: =item &link
1993:
1994: Inputs:
1995:
1996: =over 4
1997:
1998: =item $text
1999:
2000: =item $target
2001:
2002: =back
2003:
2004: Takes the text and creates a link to the $text that honors
2005: the value of 'new window' if clicked on, but uses a real
2006: 'href' so middle and right clicks still work.
2007:
2008: $target and $text are assumed to be already correctly escaped; i.e., it
2009: can be dumped out directly into the output stream as-is.
2010:
2011: =cut
2012:
2013: sub link {
2014: my ($text,$target) = @_;
2015: return
2016: "<a href='$target' onclick=\"t=this.href;if(new_window)"
2017: ."{window.open(t)}else{return void(window."
2018: ."location=t)};return false;\">$text</a>";
2019: }
2020:
2021: #######################################################
2022: #######################################################
2023:
2024: =pod
2025:
2026: =item &student_performance_on_sequence
2027:
2028: Inputs:
2029:
2030: =over 4
2031:
2032: =item $student
2033:
2034: =item $studentdata Hash ref to all student data
2035:
2036: =item $seq Hash ref, the sequence we are working on
2037:
2038: =item $links if defined we will output links to each resource.
2039:
2040: =back
2041:
2042: =cut
2043:
2044: #######################################################
2045: #######################################################
2046: sub student_performance_on_sequence {
2047: my ($student,$studentdata,$navmap,$seq,$links,$awarded_only) = @_;
2048: $links = 'no' if (! defined($links));
2049: my $Str = ''; # final result string
2050: my ($score,$max) = (0,0);
2051: my $performance_length = 0;
2052: my $symbol;
2053: my @ScoreData = ();
2054: my $partscore;
2055: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
2056: foreach my $resource (&get_resources($navmap,$seq)) {
2057: my $symb = $resource->symb;
2058: my $resource_data = $studentdata->{$symb};
2059: foreach my $part (@{$resource->parts()}) {
2060: $partscore = undef;
2061: my $weight;
2062: if (!$awarded_only){
2063: $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
2064: $symb,
2065: $student->{'domain'},
2066: $student->{'username'},
2067: $student->{'section'});
2068: }
2069: if (!defined($weight) || ($weight eq '')) {
2070: $weight=1;
2071: }
2072: #
2073: $max += $weight; # see the 'excused' branch below...
2074: $performance_length++; # one character per part
2075: $symbol = ' '; # default to space
2076: #
2077: my $awarded;
2078: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
2079: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
2080: $awarded = 0 if (! $awarded);
2081: $hasdata = 1;
2082: }
2083: #
2084: $partscore = &Apache::grades::compute_points($weight,$awarded);
2085: if (! defined($awarded)) {
2086: $partscore = undef;
2087: }
2088: $score += $partscore;
2089: $symbol = $partscore;
2090: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
2091: $symbol = sprintf("%.0f",$symbol);
2092: }
2093: if (length($symbol) > 1) {
2094: $symbol = show_star($symbol);
2095: }
2096: if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
2097: $resource_data->{'resource.'.$part.'.solved'} ne '') {
2098: my $status = $resource_data->{'resource.'.$part.'.solved'};
2099: if ($status eq 'excused') {
2100: $symbol = 'x';
2101: $max -= $weight; # Do not count 'excused' problems.
2102: } elsif ($status eq 'ungraded_attempted') {
2103: $symbol = 'u';
2104: }
2105: $hasdata = 1;
2106: } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
2107: $symbol = 'd';
2108: $hasdata = 1;
2109: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
2110: # Unsolved. Did they try?
2111: if (exists($resource_data->{'resource.'.$part.'.tries'})){
2112: $symbol = '.';
2113: $hasdata = 1;
2114: } else {
2115: $symbol = ' ';
2116: }
2117: }
2118: #
2119: if (! defined($partscore)) {
2120: $partscore = $symbol;
2121: }
2122: push (@ScoreData,$partscore);
2123: #
2124: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
2125: my $link = '/adm/grades' .
2126: '?symb='.&escape($resource->shown_symb).
2127: '&student='.$student->{'username'}.
2128: '&userdom='.$student->{'domain'}.
2129: '&command=submission';
2130: $symbol = &link($symbol, $link);
2131: }
2132: $Str .= $symbol;
2133: }
2134: }
2135: if (! $hasdata && $score == 0) {
2136: $score = ' ';
2137: }
2138: return ($Str,$performance_length,$score,$max,\@ScoreData);
2139: }
2140:
2141: #######################################################
2142: #######################################################
2143:
2144: =pod
2145:
2146: =item &CreateLegend()
2147:
2148: This function returns a formatted string containing the legend for the
2149: chart. The legend describes the symbols used to represent grades for
2150: problems.
2151:
2152: =cut
2153:
2154: #######################################################
2155: #######################################################
2156: sub CreateLegend {
2157: my $Str = "<p><pre>".
2158: " digit score or number of tries to get correct ".
2159: " * correct by student in more than 9 tries\n".
2160: " + correct by hand grading or override\n".
2161: " - incorrect by override\n".
2162: " . incorrect attempted\n".
2163: " u ungraded attempted\n".
2164: " d draft answer saved but not submitted\n".
2165: " not attempted (blank field)\n".
2166: " x excused".
2167: "</pre><p>";
2168: return $Str;
2169: }
2170:
2171: #######################################################
2172: #######################################################
2173:
2174: =pod
2175:
2176: =back
2177:
2178: =cut
2179:
2180: #######################################################
2181: #######################################################
2182:
2183: 1;
2184:
2185: __END__
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