1: # The LearningOnline Network with CAPA
2: #
3: # $Id: lonstudentassessment.pm,v 1.164 2011/10/05 18:56:00 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::lonquickgrades();
55: use Apache::lonhtmlcommon();
56: use Apache::loncommon();
57: use Apache::loncoursedata;
58: use Apache::lonnet; # for logging porpoises
59: use Apache::lonlocal;
60: use Apache::grades();
61: use Apache::lonmsgdisplay();
62: use Time::HiRes;
63: use Spreadsheet::WriteExcel;
64: use Spreadsheet::WriteExcel::Utility();
65: use lib '/home/httpd/lib/perl/';
66: use LONCAPA;
67:
68:
69: #######################################################
70: #######################################################
71: =pod
72:
73: =item Package Variables
74:
75: =over 4
76:
77: =item $Statistics Hash ref to store student data. Indexed by symb,
78: contains hashes with keys 'score' and 'max'.
79:
80: =cut
81:
82: #######################################################
83: #######################################################
84:
85: my $Statistics;
86:
87: #######################################################
88: #######################################################
89:
90: =pod
91:
92: =item $show_links 'yes' or 'no' for linking to student performance data
93:
94: =item $output_mode 'html', 'excel', or 'csv' for output mode
95:
96: =item $show 'all', 'totals', or 'scores' determines how much data is output
97:
98: =item $single_student_mode evaluates to true if we are showing only one
99: student.
100:
101: =cut
102:
103: #######################################################
104: #######################################################
105: my $show_links;
106: my $output_mode;
107: my $chosen_output;
108: my $single_student_mode;
109:
110: #######################################################
111: #######################################################
112: # End of package variable declarations
113:
114: =pod
115:
116: =back
117:
118: =cut
119:
120: #######################################################
121: #######################################################
122:
123: =pod
124:
125: =item &BuildStudentAssessmentPage()
126:
127: Inputs:
128:
129: =over 4
130:
131: =item $r Apache Request
132:
133: =item $c Apache Connection
134:
135: =back
136:
137: =cut
138:
139: #######################################################
140: #######################################################
141: sub BuildStudentAssessmentPage {
142: my ($r,$c)=@_;
143: #
144: undef($Statistics);
145: undef($show_links);
146: undef($output_mode);
147: undef($chosen_output);
148: undef($single_student_mode);
149: #
150: my %Saveable_Parameters = ('Status' => 'scalar',
151: 'chartoutputmode' => 'scalar',
152: 'chartoutputdata' => 'scalar',
153: 'Section' => 'array',
154: 'Groups' => 'array',
155: 'StudentData' => 'array',
156: 'Maps' => 'array');
157: &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters);
158: &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters);
159: #
160: &Apache::lonstatistics::PrepareClasslist();
161: #
162: $single_student_mode = 0;
163: $single_student_mode = 1 if ($env{'form.SelectedStudent'});
164: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
165: ['selectstudent']);
166: if ($env{'form.selectstudent'}) {
167: &Apache::lonstatistics::DisplayClasslist($r);
168: return;
169: }
170: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Chart','Chart_Description:Chart_Sections:Chart_Student_Data:Chart_Enrollment_Status:Chart_Sequences:Chart_Output_Formats:Chart_Output_Data'));
171: &Apache::lonquickgrades::startGradeScreen($r,'chart');
172:
173: #
174: # Print out the HTML headers for the interface
175: # This also parses the output mode selector
176: # This step must *always* be done.
177: $r->print(&CreateInterface());
178: $r->print('<input type="hidden" name="notfirstrun" value="true" />');
179: $r->print('<input type="hidden" name="sort" value="'.
180: $env{'form.sort'}.'" />');
181: $r->rflush();
182: #
183: if (! exists($env{'form.notfirstrun'}) && ! $single_student_mode) {
184: return;
185: }
186: $r->print('<h4>'.
187: &Apache::lonstatistics::section_and_enrollment_description().
188: '</h4>');
189: #
190: my $initialize = \&html_initialize;
191: my $output_student = \&html_outputstudent;
192: my $finish = \&html_finish;
193: #
194: if ($output_mode eq 'excel') {
195: $initialize = \&excel_initialize;
196: $output_student = \&excel_outputstudent;
197: $finish = \&excel_finish;
198: } elsif ($output_mode eq 'csv') {
199: $initialize = \&csv_initialize;
200: $output_student = \&csv_outputstudent;
201: $finish = \&csv_finish;
202: }
203: #
204: if($c->aborted()) { return ; }
205: #
206: # Determine which students we want to look at
207: my @Students;
208: if ($single_student_mode) {
209: @Students = (&Apache::lonstatistics::current_student());
210: $r->print(&next_and_previous_buttons());
211: $r->rflush();
212: } else {
213: @Students = @Apache::lonstatistics::Students;
214: }
215: #
216: # Perform generic initialization tasks
217: # Since we use lonnet::EXT to retrieve problem weights,
218: # to ensure current data we must clear the caches out.
219: # This makes sure that parameter changes at the student level
220: # are immediately reflected in the chart.
221: &Apache::lonnet::clear_EXT_cache_status();
222: #
223: # Clean out loncoursedata's package data, just to be safe.
224: &Apache::loncoursedata::clear_internal_caches();
225: #
226: # Call the initialize routine selected above
227: $initialize->($r);
228: foreach my $student (@Students) {
229: if($c->aborted()) {
230: $finish->($r);
231: return ;
232: }
233: # Call the output_student routine selected above
234: $output_student->($r,$student);
235: }
236: # Call the "finish" routine selected above
237: &Apache::lonquickgrades::endGradeScreen($r);
238: $finish->($r);
239: #
240: return;
241: }
242:
243: #######################################################
244: #######################################################
245: sub next_and_previous_buttons {
246: my $Str = '';
247: $Str .= '<input type="hidden" name="SelectedStudent" value="'.
248: $env{'form.SelectedStudent'}.'" />';
249: #
250: # Build the previous student link
251: my $previous = &Apache::lonstatistics::previous_student();
252: my $previousbutton = '';
253: if (defined($previous)) {
254: my $sname = $previous->{'username'}.':'.$previous->{'domain'};
255: $previousbutton .= '<input type="button" value="'.
256: &mt('Previous Student ([_1])',
257: $previous->{'username'}.':'.$previous->{'domain'}).
258: '" onclick="document.Statistics.SelectedStudent.value='.
259: "'".$sname."'".';'.
260: 'document.Statistics.submit();" />';
261: } else {
262: $previousbutton .= '<input type="button" value="'.
263: &mt('Previous Student').'" disabled="disabled" />';
264: }
265: #
266: # Build the next student link
267: my $next = &Apache::lonstatistics::next_student();
268: my $nextbutton = '';
269: if (defined($next)) {
270: my $sname = $next->{'username'}.':'.$next->{'domain'};
271: $nextbutton .= '<input type="button" value="'.
272: &mt('Next Student ([_1])',
273: $next->{'username'}.':'.$next->{'domain'}).
274: '" onclick="document.Statistics.SelectedStudent.value='.
275: "'".$sname."'".';'.
276: 'document.Statistics.submit();" />';
277: } else {
278: $nextbutton .= '<input type="button" value="'.
279: &mt('Next Student').'" disabled="disabled" />';
280: }
281: #
282: # Build the 'all students' button
283: my $all = '';
284: $all .= '<input type="button" value="'.&mt('All Students').'" '.
285: '" onclick="document.Statistics.SelectedStudent.value='.
286: "''".';'.'document.Statistics.submit();" />';
287: $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton;
288: return $Str;
289: }
290:
291: #######################################################
292: #######################################################
293:
294: sub get_student_fields_to_show {
295: my @to_show = @Apache::lonstatistics::SelectedStudentData;
296: foreach (@to_show) {
297: if ($_ eq 'all') {
298: @to_show = @Apache::lonstatistics::StudentDataOrder;
299: last;
300: }
301: }
302: return @to_show;
303: }
304:
305: #######################################################
306: #######################################################
307:
308: =pod
309:
310: =item &CreateInterface()
311:
312: Called by &BuildStudentAssessmentPage to create the top part of the
313: page which displays the chart.
314:
315: Inputs: None
316:
317: Returns: A string containing the HTML for the headers and top table for
318: the chart page.
319:
320: =cut
321:
322: #######################################################
323: #######################################################
324: sub CreateInterface {
325: my $Str = '';
326: $Str .= '<table cellspacing="5">'."\n";
327: $Str .= '<tr>';
328: $Str .= '<td align="center"><b>'.&mt('Sections').'</b>'.
329: &Apache::loncommon::help_open_topic("Chart_Sections").
330: '</td>';
331: $Str .= '<td align="center"><b>'.&mt('Groups').'</b>'.
332: '</td>';
333: $Str .= '<td align="center"><b>'.&mt('Student Data').'</b>'.
334: &Apache::loncommon::help_open_topic("Chart_Student_Data").
335: '</td>';
336: $Str .= '<td align="center"><b>'.&mt('Access Status').'</b>'.
337: &Apache::loncommon::help_open_topic("Chart_Enrollment_Status").
338: '</td>';
339: $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b>'.
340: &Apache::loncommon::help_open_topic("Chart_Sequences").
341: '</td>';
342: $Str .= '<td align="center"><b>'.&mt('Output Format').'</b>'.
343: &Apache::loncommon::help_open_topic("Chart_Output_Formats").
344: '</td>';
345: $Str .= '<td align="center"><b>'.&mt('Output Data').'</b>'.
346: &Apache::loncommon::help_open_topic("Chart_Output_Data").
347: '</td>';
348: $Str .= '</tr>'."\n";
349: #
350: $Str .= '<tr><td align="center">'."\n";
351: $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
352: $Str .= '</td><td align="center">';
353: $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
354: $Str .= '</td><td align="center">';
355: $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple',
356: 5,undef);
357: $Str .= '</td><td>'."\n";
358: $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
359: $Str .= '</td><td>'."\n";
360: $Str .= &Apache::lonstatistics::map_select('Maps','multiple,all',5);
361: $Str .= '</td><td>'."\n";
362: $Str .= &CreateAndParseOutputSelector();
363: $Str .= '</td><td>'."\n";
364: $Str .= &CreateAndParseOutputDataSelector();
365: $Str .= '</td></tr>'."\n";
366: $Str .= '</table>'."\n";
367: $Str .= '<p>'
368: .&mt('Status:').' '
369: .'<input type="text" name="stats_status" size="60" value="" readonly="readonly" />'
370: .'</p>';
371: $Str .= '<input type="submit" name="selectstudent" value="'.
372: &mt('Select One Student').'" />';
373: $Str .= ' 'x5;
374: $Str .= '<input type="submit" name="ClearCache" value="'.
375: &mt('Clear Caches').'" />';
376: $Str .= '<p>'
377: .'<input type="submit" name="Generate Chart"'
378: .' value="'.&mt('Generate Chart').'" />'
379: .'</p>';
380: return $Str;
381: }
382:
383: #######################################################
384: #######################################################
385:
386: =pod
387:
388: =item &CreateAndParseOutputSelector()
389:
390: =cut
391:
392: #######################################################
393: #######################################################
394: my @OutputOptions =
395: ({ name => 'HTML, with links',
396: value => 'html, with links',
397: description => 'Output HTML with each symbol linked to the problem '.
398: 'which generated it.',
399: mode => 'html',
400: show_links => 'yes',
401: },
402: { name => 'HTML, with all links',
403: value => 'html, with all links',
404: description => 'Output HTML with each symbol linked to the problem '.
405: 'which generated it. '.
406: 'This includes links for unattempted problems.',
407: mode => 'html',
408: show_links => 'all',
409: },
410: { name => 'HTML, without links',
411: value => 'html, without links',
412: description => 'Output HTML. By not including links, the size of the'.
413: ' web page is greatly reduced. If your browser crashes on the '.
414: 'full display, try this.',
415: mode => 'html',
416: show_links => 'no',
417: },
418: { name => 'Excel',
419: value => 'excel',
420: description => 'Output an Excel file (compatable with Excel 95).',
421: mode => 'excel',
422: show_links => 'no',
423: },
424: { name => 'CSV',
425: value => 'csv',
426: description => 'Output a comma separated values file suitable for '.
427: 'import into a spreadsheet program. Using this method as opposed '.
428: 'to Excel output allows you to organize your data before importing'.
429: ' it into a spreadsheet program.',
430: mode => 'csv',
431: show_links => 'no',
432: },
433: );
434:
435: sub OutputDescriptions {
436: my $Str = '';
437: $Str .= "<h2>Output Formats</h2>\n";
438: $Str .= "<dl>\n";
439: foreach my $outputmode (@OutputOptions) {
440: $Str .=" <dt>".$outputmode->{'name'}."</dt>\n";
441: $Str .=" <dd>".$outputmode->{'description'}."</dd>\n";
442: }
443: $Str .= "</dl>\n";
444: return $Str;
445: }
446:
447: sub CreateAndParseOutputSelector {
448: my $Str = '';
449: my $elementname = 'chartoutputmode';
450: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
451: [$elementname]);
452: #
453: # Format for output options is 'mode, restrictions';
454: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
455: $selected = 'html, without links' if (!$selected);
456:
457: #
458: # Set package variables describing output mode
459: $show_links = 'no';
460: $output_mode = 'html';
461: foreach my $option (@OutputOptions) {
462: next if ($option->{'value'} ne $selected);
463: $output_mode = $option->{'mode'};
464: $show_links = $option->{'show_links'};
465: }
466:
467: #
468: # Build the form element
469: $Str = qq/<select size="5" name="$elementname">/;
470: foreach my $option (@OutputOptions) {
471: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
472: $Str .= " selected " if ($option->{'value'} eq $selected);
473: $Str .= ">".&mt($option->{'name'})."<\/option>";
474: }
475: $Str .= "\n</select>";
476: return $Str;
477: }
478:
479: ##
480: ## Data selector stuff
481: ##
482: my @OutputDataOptions =
483: (
484: { name => 'Scores Summary',
485: base => 'scores',
486: value => 'sum and total',
487: scores => 1,
488: tries => 0,
489: every_problem => 0,
490: sequence_sum => 1,
491: sequence_max => 1,
492: grand_total => 1,
493: grand_maximum => 1,
494: summary_table => 1,
495: maximum_row => 1,
496: ignore_weight => 0,
497: shortdesc => 'Total Score and Maximum Possible for each '.
498: 'Sequence or Folder',
499: longdesc => 'The score of each student as well as the '.
500: ' maximum possible on each Sequence or Folder.',
501: },
502: { name => 'Scores Per Problem',
503: base => 'scores',
504: value => 'scores',
505: scores => 1,
506: tries => 0,
507: correct => 0,
508: every_problem => 1,
509: sequence_sum => 1,
510: sequence_max => 1,
511: grand_total => 1,
512: grand_maximum => 1,
513: summary_table => 1,
514: maximum_row => 1,
515: ignore_weight => 0,
516: shortdesc => 'Score on each Problem Part',
517: longdesc =>'The students score on each problem part, computed as'.
518: 'the part weight * part awarded',
519: },
520: { name =>'Tries',
521: base =>'tries',
522: value => 'tries',
523: scores => 0,
524: tries => 1,
525: correct => 0,
526: every_problem => 1,
527: sequence_sum => 0,
528: sequence_max => 0,
529: grand_total => 0,
530: grand_maximum => 0,
531: summary_table => 0,
532: maximum_row => 0,
533: ignore_weight => 0,
534: shortdesc => 'Number of Tries before success on each Problem Part',
535: longdesc =>'The number of tries before success on each problem part.',
536: non_html_notes => 'negative values indicate an incorrect problem',
537: },
538: { name =>'Parts Correct',
539: base =>'tries',
540: value => 'parts correct total',
541: scores => 0,
542: tries => 0,
543: correct => 1,
544: every_problem => 1,
545: sequence_sum => 1,
546: sequence_max => 1,
547: grand_total => 1,
548: grand_maximum => 1,
549: summary_table => 1,
550: maximum_row => 0,
551: ignore_weight => 1,
552: shortdesc => 'Number of Problem Parts completed successfully',
553: longdesc => 'The Number of Problem Parts completed successfully and '.
554: 'the maximum possible for each student',
555: },
556: );
557:
558: sub HTMLifyOutputDataDescriptions {
559: my $Str = '';
560: $Str .= '<h2>'.&mt('Output Data').'</h2>'."\n";
561: $Str .= "<dl>\n";
562: foreach my $option (@OutputDataOptions) {
563: $Str .= ' <dt>'.$option->{'name'}.'</dt>';
564: $Str .= '<dd>'.$option->{'longdesc'}.'</dd>'."\n";
565: }
566: $Str .= "</dl>\n";
567: return $Str;
568: }
569:
570: sub CreateAndParseOutputDataSelector {
571: my $Str = '';
572: my $elementname = 'chartoutputdata';
573: #
574: my $selected = (&Apache::loncommon::get_env_multiple('form.'.$elementname))[0];
575: $selected = 'scores' if (!$selected);
576:
577: #
578: $chosen_output = $OutputDataOptions[0];
579: foreach my $option (@OutputDataOptions) {
580: if ($option->{'value'} eq $selected) {
581: $chosen_output = $option;
582: }
583: }
584: #
585: # Build the form element
586: $Str = qq/<select size="5" name="$elementname">/;
587: foreach my $option (@OutputDataOptions) {
588: $Str .= "\n".' <option value="'.$option->{'value'}.'"';
589: $Str .= " selected " if ($option->{'value'} eq $chosen_output->{'value'});
590: $Str .= ">".&mt($option->{'name'})."<\/option>";
591: }
592: $Str .= "\n</select>";
593: return $Str;
594:
595: }
596:
597: #######################################################
598: #######################################################
599: sub count_parts {
600: my ($navmap,$sequence) = @_;
601: my @resources = &get_resources($navmap,$sequence);
602: my $count = 0;
603: foreach my $res (@resources) {
604: $count += scalar(@{$res->parts});
605: }
606: return $count;
607: }
608:
609: sub get_resources {
610: my ($navmap,$sequence) = @_;
611: my @resources = $navmap->retrieveResources($sequence,
612: sub { shift->is_problem(); },
613: 0,0,0);
614: return @resources;
615: }
616:
617: #######################################################
618: #######################################################
619:
620: =pod
621:
622: =head2 HTML output routines
623:
624: =item &html_initialize($r)
625:
626: Create labels for the columns of student data to show.
627:
628: =item &html_outputstudent($r,$student)
629:
630: Return a line of the chart for a student.
631:
632: =item &html_finish($r)
633:
634: =cut
635:
636: #######################################################
637: #######################################################
638: {
639: my $padding;
640: my $count;
641:
642: my $nodata_count; # The number of students for which there is no data
643: my %prog_state; # progress state used by loncommon PrgWin routines
644: my $total_sum_width;
645:
646: my %width; # Holds sequence width information
647: my @sequences;
648: my $navmap; # Have to keep this around since weakref is a bit zealous
649:
650: sub html_cleanup {
651: undef(%prog_state);
652: undef(%width);
653: #
654: undef($navmap);
655: undef(@sequences);
656: }
657:
658: sub html_initialize {
659: my ($r) = @_;
660: #
661: $padding = ' 'x3;
662: $count = 0;
663: $nodata_count = 0;
664: &html_cleanup();
665: ($navmap,@sequences) =
666: &Apache::lonstatistics::selected_sequences_with_assessments();
667: if (! ref($navmap)) {
668: # Unable to get data, so bail out
669: $r->print('<p class="LC_error">'
670: .&mt('Unable to retrieve course information.')
671: .'</p>');
672: }
673:
674: # If we're showing links, show a checkbox to open in new
675: # windows.
676: if ($show_links ne 'no') {
677: my $labeltext = &mt('Show links in new window');
678: $r->print(<<NEW_WINDOW_CHECKBOX);
679: <script type="text/javascript">new_window = true;</script>
680: <p><label>
681: <input type="checkbox" checked="checked" onclick="new_window=this.checked" />
682: $labeltext
683: </label></p>
684: NEW_WINDOW_CHECKBOX
685: }
686:
687: #
688: $r->print("<h3>".$env{'course.'.$env{'request.course.id'}.'.description'}.
689: " ".&Apache::lonlocal::locallocaltime(time)."</h3>");
690: #
691: if ($chosen_output->{'base'} !~ /^final table/) {
692: $r->print("<h3>".&mt($chosen_output->{'shortdesc'})."</h3>");
693: }
694: my $Str = "<pre>\n";
695: # First, the @StudentData fields need to be listed
696: my @to_show = &get_student_fields_to_show();
697: foreach my $field (@to_show) {
698: my $title=$Apache::lonstatistics::StudentData{$field}->{'title'};
699: my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'};
700: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
701: $Str .= $title.' 'x($width-$base).$padding;
702: }
703: #
704: # Compute the column widths and output the sequence titles
705: my $total_count;
706: #
707: # Compute sequence widths
708: my $starttime = Time::HiRes::time;
709: foreach my $seq (@sequences) {
710: my $symb = $seq->symb;
711: my $title = $seq->compTitle;
712: $width{$symb}->{'width_sum'} = 0;
713: # Compute width of sum
714: if ($chosen_output->{'sequence_sum'}) {
715: if ($chosen_output->{'every_problem'}) {
716: # Use 1 digit for a space
717: $width{$symb}->{'width_sum'} += 1;
718: }
719: $total_count += &count_parts($navmap,$seq);
720: # Use 6 digits for the sum
721: $width{$symb}->{'width_sum'} += 6;
722: }
723: # Compute width of maximum
724: if ($chosen_output->{'sequence_max'}) {
725: if ($width{$symb}->{'width_sum'}>0) {
726: # One digit for the '/'
727: $width{$symb}->{'width_sum'} +=1;
728: }
729: # Use 6 digits for the total
730: $width{$symb}->{'width_sum'}+=6;
731: }
732: #
733: if ($chosen_output->{'every_problem'}) {
734: # one problem per digit
735: $width{$symb}->{'width_parts'}= &count_parts($navmap,$seq);
736: $width{$symb}->{'width_problem'} += $width{$symb}->{'width_parts'};
737: } else {
738: $width{$symb}->{'width_problem'} = 0;
739: }
740: $width{$symb}->{'width_total'} = $width{$symb}->{'width_problem'} +
741: $width{$symb}->{'width_sum'};
742: if ($width{$symb}->{'width_total'} < length(&HTML::Entities::decode($title))) {
743: $width{$symb}->{'width_total'} = length(&HTML::Entities::decode($title));
744: }
745: #
746: # Output the sequence titles
747: $Str .= $title.(' 'x($width{$symb}->{'width_total'}-
748: length($title)
749: )).$padding;
750: }
751: $total_sum_width = length($total_count)+1;
752: $Str .= " total</pre>\n";
753: $Str .= "<pre>";
754: $r->print($Str);
755: $r->rflush();
756:
757: $r->print(<<JS);
758: <script type="text/javascript">
759: // get the left offset of a given widget as an absolute position
760: function getLeftOffset (element) {
761: return collect(element, "offsetLeft");
762: }
763:
764: // get the top offset of a given widget as an absolute position
765: function getTopOffset (element) {
766: return collect(element, "offsetTop");
767: }
768:
769: function collect(element, att) {
770: var val = 0;
771: while(element) {
772: val += element[att];
773: element = element.offsetParent;
774: }
775: return val;
776: }
777:
778: var currentDiv;
779: var currentElement;
780: function popup_score(element, score) {
781: popdown_score();
782: var left = getLeftOffset(element);
783: var top = getTopOffset(element);
784: var div = document.createElement("div");
785: div.className = "LC_chrt_popup";
786: div.appendChild(document.createTextNode(score));
787: div.style.position = "absolute";
788: div.style.top = (top - 25) + "px";
789: div.style.left = (left - 10) + "px";
790: currentDiv = div;
791: document.body.insertBefore(div, document.body.childNodes[0]);
792: element.className = "LC_chrt_popup_up";
793: currentElement = element;
794: }
795:
796: function popdown_score() {
797: if (currentDiv) {
798: document.body.removeChild(currentDiv);
799: }
800: if (currentElement) {
801: currentElement.className = 'LC_chrt_popup_exists';
802: }
803: currentDiv = undefined;
804: }
805: </script>
806: JS
807:
808: #
809: # Let the user know what we are doing
810: my $studentcount = scalar(@Apache::lonstatistics::Students);
811: if ($env{'form.SelectedStudent'}) {
812: $studentcount = '1';
813: }
814: #
815: # Initialize progress window
816: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
817: ($r,'HTML Chart Status',
818: 'HTML Chart Progress', $studentcount,
819: 'inline',undef,'Statistics','stats_status');
820: #
821: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
822: 'Processing first student');
823: return;
824: }
825:
826: sub html_outputstudent {
827: my ($r,$student) = @_;
828: my $Str = '';
829: return if (! defined($navmap));
830: #
831: if($count++ % 5 == 0 && $count > 0) {
832: # $r->print("</pre><pre>");
833: $r->print('</pre>');
834: &Apache::lonhtmlcommon::Increment_PrgWin(
835: $r,\%prog_state,'last five students',5);
836: $r->rflush();
837: $r->print('<pre>');
838: }
839: # First, the @StudentData fields need to be listed
840: my @to_show = &get_student_fields_to_show();
841: foreach my $field (@to_show) {
842: my $title=$student->{$field};
843: # Deal with 'comments' - how I love special cases
844: if ($field eq 'comments') {
845: $title = '<a href="/adm/'.$student->{'domain'}.'/'.$student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
846: }
847: my $base = length($title);
848: my $width=$Apache::lonstatistics::StudentData{$field}->{'width'};
849: $Str .= $title.' 'x($width-$base).$padding;
850: }
851: # Get ALL the students data
852: my %StudentsData;
853: my @tmp = &Apache::loncoursedata::get_current_state
854: ($student->{'username'},$student->{'domain'},undef,
855: $env{'request.course.id'});
856: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:(.*)/)) {
857: %StudentsData = @tmp;
858: } else {
859: my $error = $1;
860: if (scalar(@tmp) < 1) {
861: $Str .= '<span class="LC_warning">'
862: .&mt('No Course Data')
863: .'</span>'."\n";
864: } else {
865: $Str .= '<span class="LC_error">'
866: .&mt('Error getting student data ([_1])',$error)
867: .'</span>'."\n";
868: }
869: $nodata_count++;
870: $r->print($Str);
871: $r->rflush();
872: return;
873: }
874: #
875: # By sequence build up the data
876: my $studentstats;
877: my $PerformanceStr = '';
878: foreach my $seq (@sequences) {
879: my $symb = $seq->symb;
880: my $randompick = $seq->randompick();
881: my ($performance,$performance_length,$score,$seq_max,$rawdata);
882: if ($chosen_output->{'tries'}) {
883: ($performance,$performance_length,$score,$seq_max,$rawdata) =
884: &student_tries_on_sequence($student,\%StudentsData,
885: $navmap,$seq,$show_links,$randompick);
886: } else {
887: ($performance,$performance_length,$score,$seq_max,$rawdata) =
888: &student_performance_on_sequence($student,\%StudentsData,
889: $navmap,$seq,$show_links,
890: $chosen_output->{ignore_weight},
891: $randompick);
892: }
893: my $ratio='';
894: if ($chosen_output->{'every_problem'} &&
895: $chosen_output->{'sequence_sum'}) {
896: $ratio .= ' ';
897: }
898: if ($chosen_output->{'sequence_sum'} && $score ne ' ') {
899: my $score .= sprintf("%3.2f",$score);
900: $ratio .= (' 'x(6-length($score))).$score;
901: } elsif($chosen_output->{'sequence_sum'}) {
902: $ratio .= ' 'x6;
903: }
904: if ($chosen_output->{'sequence_max'}) {
905: if ($chosen_output->{'sequence_sum'}) {
906: $ratio .= '/';
907: }
908: my $sequence_total=sprintf("%3.2f",$seq_max);
909: $ratio .= $sequence_total.(' 'x(6-length($sequence_total)));
910: }
911: #
912: if (! $chosen_output->{'every_problem'}) {
913: $performance = '';
914: $performance_length=0;
915: }
916: $performance .= ' 'x($width{$symb}->{'width_total'} -
917: $performance_length -
918: $width{$symb}->{'width_sum'}).
919: $ratio;
920: #
921: $Str .= $performance.$padding;
922: #
923: $studentstats->{$symb}->{'score'}= $score;
924: $studentstats->{$symb}->{'max'} = $seq_max;
925: }
926: #
927: # Total it up and store the statistics info.
928: my ($score,$max);
929: while (my ($symb,$seq_stats) = each (%{$studentstats})) {
930: $Statistics->{$symb}->{'score'} += $seq_stats->{'score'};
931: if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) {
932: $Statistics->{$symb}->{'max'} = $seq_stats->{'max'};
933: }
934: if ($seq_stats->{'score'} ne ' ') {
935: $score += $seq_stats->{'score'};
936: $Statistics->{$symb}->{'num_students'}++;
937: }
938: $max += $seq_stats->{'max'};
939: }
940: if (! defined($score)) {
941: $score = ' ' x $total_sum_width;
942: } else {
943: $score = sprintf("%.2f",$score);
944: $score = (' 'x(6-length($score))).$score;
945: }
946: $Str .= ' '.' 'x($total_sum_width-length($score)).$score.' / '.$max;
947: $Str .= " \n";
948: #
949: $r->print($Str);
950: #
951: # $r->rflush();
952: # &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
953: return;
954: }
955:
956: sub html_finish {
957: my ($r) = @_;
958: return if (! defined($navmap));
959: #
960: # Check for suppressed output and close the progress window if so
961: $r->print("</pre>\n");
962: if ($chosen_output->{'summary_table'}) {
963: if ($single_student_mode) {
964: $r->print(&SingleStudentTotal());
965: } else {
966: $r->print(&StudentAverageTotal());
967: }
968: }
969: $r->rflush();
970: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
971: &html_cleanup();
972: return;
973: }
974:
975: sub StudentAverageTotal {
976: my $Str = '<h3>'.&mt('Summary Tables').'</h3>'.$/;
977: $Str .= &Apache::loncommon::start_data_table();
978: $Str .= &Apache::loncommon::start_data_table_header_row().
979: '<th>'.&mt('Title').'</th>'.
980: '<th>'.&mt('Average').'</th>'.
981: '<th>'.&mt('Maximum').'</th>'.
982: &Apache::loncommon::end_data_table_header_row().$/;
983: foreach my $seq (@sequences) {
984: my $symb = $seq->symb;
985: my $ave;
986: my $num_students = $Statistics->{$symb}->{'num_students'};
987: if ($num_students > 0) {
988: $ave = int(100*
989: ($Statistics->{$symb}->{'score'}/$num_students)
990: )/100;
991: } else {
992: $ave = 0;
993: }
994: my $max = $Statistics->{$symb}->{'max'};
995: $ave = sprintf("%.2f",$ave);
996: $Str .= &Apache::loncommon::start_data_table_row().
997: '<td>'.$seq->compTitle.'</td>'.
998: '<td align="right">'.$ave.' </td>'.
999: '<td align="right">'.$max.' '.'</td>'.
1000: &Apache::loncommon::end_data_table_row()."\n";
1001: }
1002: $Str .= &Apache::loncommon::end_data_table()."\n";
1003: return $Str;
1004: }
1005:
1006: sub SingleStudentTotal {
1007: return if (! defined($navmap));
1008: my $student = &Apache::lonstatistics::current_student();
1009: my $Str = '<h3>'.&mt('Summary table for [_1] ([_2])',
1010: $student->{'fullname'},
1011: $student->{'username'}.':'.$student->{'domain'}).'</h3>';
1012: $Str .= $/;
1013: $Str .= &Apache::loncommon::start_data_table()."\n";
1014: $Str .=
1015: &Apache::loncommon::start_data_table_header_row().
1016: '<th>'.&mt('Sequence or Folder').'</th>';
1017: if ($chosen_output->{'base'} eq 'tries') {
1018: $Str .= '<th>'.&mt('Parts Correct').'</th>';
1019: } else {
1020: $Str .= '<th>'.&mt('Score').'</th>';
1021: }
1022: $Str .= '<th>'.&mt('Maximum').'</th>'.
1023: &Apache::loncommon::end_data_table_header_row()."\n";
1024: my $total = 0;
1025: my $total_max = 0;
1026: foreach my $seq (@sequences) {
1027: my $value = $Statistics->{$seq->symb}->{'score'};
1028: my $max = $Statistics->{$seq->symb}->{'max'};
1029: $Str .= &Apache::loncommon::start_data_table_row().
1030: '<td>'.&HTML::Entities::encode($seq->compTitle).'</td>'.
1031: '<td align="right">'.$value.'</td>'.
1032: '<td align="right">'.$max.'</td>'.
1033: &Apache::loncommon::end_data_table_row()."\n";
1034: $total += $value;
1035: $total_max +=$max;
1036: }
1037: $Str .= &Apache::loncommon::start_data_table_row().
1038: '<td><b>'.&mt('Total').'</b></td>'.
1039: '<td align="right">'.$total.'</td>'.
1040: '<td align="right">'.$total_max.'</td>'.
1041: &Apache::loncommon::end_data_table_row()."\n";
1042: $Str .= &Apache::loncommon::end_data_table()."\n";
1043: return $Str;
1044: }
1045:
1046: }
1047:
1048: #######################################################
1049: #######################################################
1050:
1051: =pod
1052:
1053: =head2 EXCEL subroutines
1054:
1055: =item &excel_initialize($r)
1056:
1057: =item &excel_outputstudent($r,$student)
1058:
1059: =item &excel_finish($r)
1060:
1061: =cut
1062:
1063: #######################################################
1064: #######################################################
1065: {
1066:
1067: my $excel_sheet;
1068: my $excel_workbook;
1069: my $format;
1070:
1071: my $filename;
1072: my $rows_output;
1073: my $cols_output;
1074:
1075: my %prog_state; # progress window state
1076: my $request_aborted;
1077:
1078: my $total_formula;
1079: my $maximum_formula;
1080: my %formula_data;
1081:
1082: my $navmap;
1083: my @sequences;
1084:
1085: sub excel_cleanup {
1086: #
1087: undef ($excel_sheet);
1088: undef ($excel_workbook);
1089: undef ($filename);
1090: undef ($rows_output);
1091: undef ($cols_output);
1092: undef (%prog_state);
1093: undef ($request_aborted);
1094: undef ($total_formula);
1095: undef ($maximum_formula);
1096: #
1097: undef(%formula_data);
1098: #
1099: undef($navmap);
1100: undef(@sequences);
1101: }
1102:
1103: sub excel_initialize {
1104: my ($r) = @_;
1105:
1106: &excel_cleanup();
1107: ($navmap,@sequences) =
1108: &Apache::lonstatistics::selected_sequences_with_assessments();
1109: if (! ref($navmap)) {
1110: # Unable to get data, so bail out
1111: $r->print("<h3>".
1112: &mt('Unable to retrieve course information.').
1113: '</h3>');
1114: }
1115: #
1116: my $total_columns = scalar(&get_student_fields_to_show());
1117: my $num_students = scalar(@Apache::lonstatistics::Students);
1118: #
1119: foreach my $seq (@sequences) {
1120: if ($chosen_output->{'every_problem'}) {
1121: $total_columns+=&count_parts($navmap,$seq);
1122: }
1123: # Add 2 because we need a 'sequence_sum' and 'total' column for each
1124: $total_columns += 2;
1125: }
1126: my $too_many_cols_error_message =
1127: '<h2>'.&mt('Unable to Complete Request').'</h2>'.$/.
1128: '<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>'.$/.
1129: '<p>'.&mt('You may consider reducing the number of <b>Sequences or Folders</b> you have selected.').'</p>'.$/.
1130: '<p>'.&mt('LON-CAPA can produce <b>CSV</b> files of this data or Excel files of the <b>Scores Summary</b> data.').'</p>'.$/;
1131: if ($chosen_output->{'base'} eq 'tries' && $total_columns > 255) {
1132: $r->print($too_many_cols_error_message);
1133: $request_aborted = 1;
1134: }
1135: if ($chosen_output->{'base'} eq 'scores' && $total_columns > 255) {
1136: $r->print($too_many_cols_error_message);
1137: $request_aborted = 1;
1138: }
1139: return if ($request_aborted);
1140: #
1141: #
1142: $excel_workbook = undef;
1143: $excel_sheet = undef;
1144: #
1145: $rows_output = 0;
1146: $cols_output = 0;
1147: #
1148: # Determine rows
1149: my $header_row = $rows_output++;
1150: my $description_row = $rows_output++;
1151: my $notes_row = $rows_output++;
1152: $rows_output++; # blank row
1153: my $summary_header_row;
1154: if ($chosen_output->{'summary_table'}) {
1155: $summary_header_row = $rows_output++;
1156: $rows_output+= scalar(@sequences);
1157: $rows_output++;
1158: }
1159: my $sequence_name_row = $rows_output++;
1160: my $resource_name_row = $rows_output++;
1161: my $maximum_data_row = $rows_output++;
1162: if (! $chosen_output->{'maximum_row'}) {
1163: $rows_output--;
1164: }
1165: my $first_data_row = $rows_output++;
1166: #
1167: # Create sheet
1168: ($excel_workbook,$filename,$format)=
1169: &Apache::loncommon::create_workbook($r);
1170: return if (! defined($excel_workbook));
1171: #
1172: # Add a worksheet
1173: my $sheetname = $env{'course.'.$env{'request.course.id'}.'.description'};
1174: $sheetname = &Apache::loncommon::clean_excel_name($sheetname);
1175: $excel_sheet = $excel_workbook->addworksheet($sheetname);
1176: #
1177: # Put the course description in the header
1178: $excel_sheet->write($header_row,$cols_output++,
1179: $env{'course.'.$env{'request.course.id'}.'.description'},
1180: $format->{'h1'});
1181: $cols_output += 3;
1182: #
1183: # Put a description of the sections listed
1184: my $sectionstring = '';
1185: my @Sections = &Apache::lonstatistics::get_selected_sections();
1186: $excel_sheet->write($header_row,$cols_output++,
1187: &Apache::lonstatistics::section_and_enrollment_description('plaintext'),
1188: $format->{'h3'});
1189: #
1190: # Put the date in there too
1191: $excel_sheet->write($header_row,$cols_output++,
1192: &mt('Compiled on [_1]',&Apache::lonlocal::locallocaltime(time)),$format->{'h3'});
1193: #
1194: $cols_output = 0;
1195: $excel_sheet->write($description_row,$cols_output++,
1196: &mt($chosen_output->{'shortdesc'}),
1197: $format->{'b'});
1198: #
1199: $cols_output = 0;
1200: $excel_sheet->write($notes_row,$cols_output++,
1201: $chosen_output->{'non_html_notes'},
1202: $format->{'i'});
1203:
1204: ##############################################
1205: # Output headings for the raw data
1206: ##############################################
1207: #
1208: # Add the student headers
1209: $cols_output = 0;
1210: foreach my $field (&get_student_fields_to_show()) {
1211: $excel_sheet->write($resource_name_row,$cols_output++,$field,
1212: $format->{'bold'});
1213: }
1214: #
1215: # Add the remaining column headers
1216: my $total_formula_string = '=0';
1217: my $maximum_formula_string = '=0';
1218: foreach my $seq (@sequences) {
1219: my $symb = $seq->symb;
1220: $excel_sheet->write($sequence_name_row,,
1221: $cols_output,$seq->compTitle,$format->{'bold'});
1222: # Determine starting cell
1223: $formula_data{$symb}->{'Excel:startcell'}=
1224: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1225: ($first_data_row,$cols_output);
1226: $formula_data{$symb}->{'Excel:startcol'}=$cols_output;
1227: my $count = 0;
1228: if ($chosen_output->{'every_problem'}) {
1229: # Put the names of the problems and parts into the sheet
1230: foreach my $res (&get_resources($navmap,$seq)) {
1231: if (scalar(@{$res->parts}) > 1) {
1232: foreach my $part (@{$res->parts}) {
1233: $excel_sheet->write($resource_name_row,
1234: $cols_output++,
1235: $res->compTitle.' part '.$res->part_display($part),
1236: $format->{'bold'});
1237: $count++;
1238: }
1239: } else {
1240: $excel_sheet->write($resource_name_row,
1241: $cols_output++,
1242: $res->compTitle,$format->{'bold'});
1243: $count++;
1244: }
1245: }
1246: }
1247: # Determine ending cell
1248: if ($count <= 1) {
1249: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1250: $formula_data{$symb}->{'Excel:endcol'} = $formula_data{$symb}->{'Excel:startcol'};
1251: } else {
1252: $formula_data{$symb}->{'Excel:endcell'} =
1253: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1254: ($first_data_row,$cols_output-1);
1255: $formula_data{$symb}->{'Excel:endcol'} = $cols_output-1;
1256: }
1257: # Create the formula for summing up this sequence
1258: if (! exists($formula_data{$symb}->{'Excel:endcell'}) ||
1259: ! defined($formula_data{$symb}->{'Excel:endcell'})) {
1260: $formula_data{$symb}->{'Excel:endcell'} = $formula_data{$symb}->{'Excel:startcell'};
1261: }
1262:
1263: my $start = $formula_data{$symb}->{'Excel:startcell'};
1264: my $end = $formula_data{$symb}->{'Excel:endcell'};
1265: $formula_data{$symb}->{'Excel:sum'}= $excel_sheet->store_formula
1266: ("=IF(COUNT($start\:$end),SUM($start\:$end),\"\")");
1267: # Determine cell the score is held in
1268: $formula_data{$symb}->{'Excel:scorecell'} =
1269: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1270: ($first_data_row,$cols_output);
1271: $formula_data{$symb}->{'Excel:scorecol'}=$cols_output;
1272: if ($chosen_output->{'base'} eq 'parts correct total') {
1273: $excel_sheet->write($resource_name_row,$cols_output++,
1274: &mt('parts correct'),
1275: $format->{'bold'});
1276: } elsif ($chosen_output->{'sequence_sum'}) {
1277: if ($chosen_output->{'correct'}) {
1278: # Only reporting the number correct, so do not call it score
1279: $excel_sheet->write($resource_name_row,$cols_output++,
1280: &mt('sum'),
1281: $format->{'bold'});
1282: } else {
1283: $excel_sheet->write($resource_name_row,$cols_output++,
1284: &mt('score'),
1285: $format->{'bold'});
1286: }
1287: }
1288: #
1289: $total_formula_string.='+'.
1290: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1291: ($first_data_row,$cols_output-1);
1292: if ($chosen_output->{'sequence_max'}) {
1293: $excel_sheet->write($resource_name_row,$cols_output,
1294: &mt('maximum'),
1295: $format->{'bold'});
1296: $formula_data{$symb}->{'Excel:maxcell'} =
1297: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1298: ($first_data_row,$cols_output);
1299: $formula_data{$symb}->{'Excel:maxcol'}=$cols_output;
1300: $maximum_formula_string.='+'.
1301: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1302: ($first_data_row,$cols_output);
1303: $cols_output++;
1304:
1305: }
1306: }
1307: if ($chosen_output->{'grand_total'}) {
1308: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Total'),
1309: $format->{'bold'});
1310: }
1311: if ($chosen_output->{'grand_maximum'}) {
1312: $excel_sheet->write($resource_name_row,$cols_output++,&mt('Max. Total'),
1313: $format->{'bold'});
1314: }
1315: $total_formula = $excel_sheet->store_formula($total_formula_string);
1316: $maximum_formula = $excel_sheet->store_formula($maximum_formula_string);
1317: ##############################################
1318: # Output a row for MAX, if appropriate
1319: ##############################################
1320: if ($chosen_output->{'maximum_row'}) {
1321: $cols_output = 0;
1322: foreach my $field (&get_student_fields_to_show()) {
1323: if ($field eq 'username' || $field eq 'fullname' ||
1324: $field eq 'id') {
1325: $excel_sheet->write($maximum_data_row,$cols_output++,'Maximum',
1326: $format->{'bold'});
1327: } else {
1328: $excel_sheet->write($maximum_data_row,$cols_output++,'');
1329: }
1330: }
1331: #
1332: # Add the maximums for each sequence or assessment
1333: my %total_cell_translation;
1334: my %maximum_cell_translation;
1335: foreach my $seq (@sequences) {
1336: my $symb = $seq->symb;
1337: $cols_output=$formula_data{$symb}->{'Excel:startcol'};
1338: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}}=
1339: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1340: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'});
1341: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}}=
1342: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1343: ($maximum_data_row,$formula_data{$symb}->{'Excel:maxcol'});
1344: my $weight;
1345: my $max = 0;
1346: foreach my $resource (&get_resources($navmap,$seq)) {
1347: foreach my $part (@{$resource->parts}){
1348: $weight = 1;
1349: if ($chosen_output->{'scores'}) {
1350: $weight = &Apache::lonnet::EXT
1351: ('resource.'.$part.'.weight',$resource->symb,
1352: undef,undef,undef);
1353: if (!defined($weight) || ($weight eq '')) {
1354: $weight=1;
1355: }
1356: }
1357: if ($chosen_output->{'scores'} &&
1358: $chosen_output->{'every_problem'}) {
1359: $excel_sheet->write($maximum_data_row,$cols_output++,
1360: $weight);
1361: }
1362: $max += $weight;
1363: }
1364: }
1365: #
1366: if ($chosen_output->{'sequence_sum'} &&
1367: $chosen_output->{'every_problem'}) {
1368: my %replaceCells=
1369: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.
1370: $formula_data{$symb}->{'Excel:endcell'}.'$' =>
1371: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:startcol'}).':'.
1372: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($maximum_data_row,$formula_data{$symb}->{'Excel:endcol'}));
1373: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1374: $formula_data{$symb}->{'Excel:sum'},undef,
1375: %replaceCells, %replaceCells);
1376:
1377: } elsif ($chosen_output->{'sequence_sum'}) {
1378: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1379: }
1380: if ($chosen_output->{'sequence_max'}) {
1381: $excel_sheet->write($maximum_data_row,$cols_output++,$max);
1382: }
1383: #
1384: }
1385: if ($chosen_output->{'grand_total'}) {
1386: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1387: $total_formula,undef,
1388: %total_cell_translation);
1389: }
1390: if ($chosen_output->{'grand_maximum'}) {
1391: $excel_sheet->repeat_formula($maximum_data_row,$cols_output++,
1392: $maximum_formula,undef,
1393: %maximum_cell_translation);
1394: }
1395: } # End of MAXIMUM row output if ($chosen_output->{'maximum_row'}) {
1396: $rows_output = $first_data_row;
1397: ##############################################
1398: # Output summary table, which actually is above the sequence name row.
1399: ##############################################
1400: if ($chosen_output->{'summary_table'}) {
1401: $cols_output = 0;
1402: $excel_sheet->write($summary_header_row,$cols_output++,
1403: &mt('Summary Table'),$format->{'bold'});
1404: if ($chosen_output->{'maximum_row'}) {
1405: $excel_sheet->write($summary_header_row,$cols_output++,
1406: &mt('Maximum'),$format->{'bold'});
1407: }
1408: $excel_sheet->write($summary_header_row,$cols_output++,
1409: &mt('Average'),$format->{'bold'});
1410: $excel_sheet->write($summary_header_row,$cols_output++,
1411: &mt('Median'),$format->{'bold'});
1412: $excel_sheet->write($summary_header_row,$cols_output++,
1413: &mt('Std Dev'),$format->{'bold'});
1414: my $row = $summary_header_row+1;
1415: foreach my $seq (@sequences) {
1416: my $symb = $seq->symb;
1417: $cols_output = 0;
1418: $excel_sheet->write($row,$cols_output++,
1419: $seq->compTitle,
1420: $format->{'bold'});
1421: if ($chosen_output->{'maximum_row'}) {
1422: $excel_sheet->write
1423: ($row,$cols_output++,
1424: '='.
1425: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1426: ($maximum_data_row,$formula_data{$symb}->{'Excel:scorecol'})
1427: );
1428: }
1429: my $range =
1430: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1431: ($first_data_row,$formula_data{$symb}->{'Excel:scorecol'}).
1432: ':'.
1433: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1434: ($first_data_row+$num_students-1,$formula_data{$symb}->{'Excel:scorecol'});
1435: $excel_sheet->write($row,$cols_output++,
1436: '=AVERAGE('.$range.')');
1437: $excel_sheet->write($row,$cols_output++,
1438: '=MEDIAN('.$range.')');
1439: $excel_sheet->write($row,$cols_output++,
1440: '=STDEV('.$range.')');
1441: $row++;
1442: }
1443: }
1444: ##############################################
1445: # Take care of non-excel initialization
1446: ##############################################
1447: #
1448: # Let the user know what we are doing
1449: my $studentcount = scalar(@Apache::lonstatistics::Students);
1450: if ($env{'form.SelectedStudent'}) {
1451: $studentcount = '1';
1452: }
1453: $r->print('<p>'
1454: .&mt('Compiling Excel spreadsheet for [quant,_1,student]...',$studentcount)
1455: ."</p>\n"
1456: );
1457: $r->rflush();
1458: #
1459: # Initialize progress window
1460: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1461: ($r,'Excel File Compilation Status',
1462: 'Excel File Compilation Progress', $studentcount,
1463: 'inline',undef,'Statistics','stats_status');
1464: #
1465: &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
1466: 'Processing first student');
1467: return;
1468: }
1469:
1470: sub excel_outputstudent {
1471: my ($r,$student) = @_;
1472: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1473: return;
1474: }
1475: $cols_output=0;
1476: #
1477: # Write out student data
1478: my @to_show = &get_student_fields_to_show();
1479: foreach my $field (@to_show) {
1480: my $value = $student->{$field};
1481: if ($field eq 'comments') {
1482: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1483: ($student->{'username'},$student->{'domain'});
1484: }
1485: $excel_sheet->write($rows_output,$cols_output++,$value);
1486: }
1487: #
1488: # Get student assessment data
1489: my %StudentsData;
1490: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1491: $student->{'domain'},
1492: undef,
1493: $env{'request.course.id'});
1494: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1495: %StudentsData = @tmp;
1496: }
1497: #
1498: # Write out sequence scores and totals data
1499: my %total_cell_translation;
1500: my %maximum_cell_translation;
1501: foreach my $seq (@sequences) {
1502: my $symb = $seq->symb;
1503: my $randompick = $seq->randompick();
1504: $cols_output = $formula_data{$symb}->{'Excel:startcol'};
1505: # Keep track of cells to translate in total cell
1506: $total_cell_translation{$formula_data{$symb}->{'Excel:scorecell'}} =
1507: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1508: ($rows_output,$formula_data{$symb}->{'Excel:scorecol'});
1509: # and maximum cell
1510: $maximum_cell_translation{$formula_data{$symb}->{'Excel:maxcell'}} =
1511: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell
1512: ($rows_output,$formula_data{$symb}->{'Excel:maxcol'});
1513: #
1514: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1515: if ($chosen_output->{'tries'} || $chosen_output->{'correct'}){
1516: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1517: &student_tries_on_sequence($student,\%StudentsData,
1518: $navmap,$seq,'no',$randompick);
1519: } else {
1520: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1521: &student_performance_on_sequence($student,\%StudentsData,
1522: $navmap,$seq,'no',
1523: $chosen_output->{ignore_weight},
1524: $randompick);
1525: }
1526: if ($chosen_output->{'every_problem'}) {
1527: if ($chosen_output->{'correct'}) {
1528: # only indiciate if each item is correct or not
1529: foreach my $value (@$rawdata) {
1530: # positive means correct, 0 or negative means
1531: # incorrect
1532: $value = $value > 0 ? 1 : 0;
1533: $excel_sheet->write($rows_output,$cols_output++,$value);
1534: }
1535: } else {
1536: foreach my $value (@$rawdata) {
1537: if ($score eq ' ' || !defined($value)) {
1538: $cols_output++;
1539: } else {
1540: $excel_sheet->write($rows_output,$cols_output++,
1541: $value);
1542: }
1543: }
1544: }
1545: }
1546: if ($chosen_output->{'sequence_sum'} &&
1547: $chosen_output->{'every_problem'}) {
1548: # Write a formula for the sum of this sequence
1549: my %replaceCells=
1550: ('^'.$formula_data{$symb}->{'Excel:startcell'}.':'.$formula_data{$symb}->{'Excel:endcell'}.'$'
1551: =>
1552: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:startcol'}).':'.
1553: &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell($rows_output,$formula_data{$symb}->{'Excel:endcol'})
1554: );
1555: # The undef is for the format
1556: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1557: $formula_data{$symb}->{'Excel:sum'},undef,
1558: %replaceCells, %replaceCells);
1559: } elsif ($chosen_output->{'sequence_sum'}) {
1560: if ($score eq ' ') {
1561: $cols_output++;
1562: } else {
1563: $excel_sheet->write($rows_output,$cols_output++,$score);
1564: }
1565: }
1566: if ($chosen_output->{'sequence_max'}) {
1567: $excel_sheet->write($rows_output,$cols_output++,$seq_max);
1568: }
1569: }
1570: #
1571: if ($chosen_output->{'grand_total'}) {
1572: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1573: $total_formula,undef,
1574: %total_cell_translation);
1575: }
1576: if ($chosen_output->{'grand_maximum'}) {
1577: $excel_sheet->repeat_formula($rows_output,$cols_output++,
1578: $maximum_formula,undef,
1579: %maximum_cell_translation);
1580: }
1581: #
1582: # Bookkeeping
1583: $rows_output++;
1584: $cols_output=0;
1585: #
1586: # Update the progress window
1587: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1588: return;
1589: }
1590:
1591: sub excel_finish {
1592: my ($r) = @_;
1593: if ($request_aborted || ! defined($navmap) || ! defined($excel_sheet)) {
1594: &excel_cleanup();
1595: return;
1596: }
1597: #
1598: # Write the excel file
1599: $excel_workbook->close();
1600: #
1601: # Close the progress window
1602: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1603: #
1604: # Tell the user where to get their excel file
1605: $r->print('<br />'.
1606: '<a href="'.$filename.'">'.&mt('Your Excel spreadsheet').'</a>'."\n");
1607: $r->rflush();
1608: &excel_cleanup();
1609: return;
1610: }
1611:
1612: }
1613: #######################################################
1614: #######################################################
1615:
1616: =pod
1617:
1618: =head2 CSV output routines
1619:
1620: =item &csv_initialize($r)
1621:
1622: =item &csv_outputstudent($r,$student)
1623:
1624: =item &csv_finish($r)
1625:
1626: =cut
1627:
1628: #######################################################
1629: #######################################################
1630: {
1631:
1632: my $outputfile;
1633: my $filename;
1634: my $request_aborted;
1635: my %prog_state; # progress window state
1636: my $navmap;
1637: my @sequences;
1638:
1639: sub csv_cleanup {
1640: undef($outputfile);
1641: undef($filename);
1642: undef($request_aborted);
1643: undef(%prog_state);
1644: #
1645: undef($navmap);
1646: undef(@sequences);
1647: }
1648:
1649: sub csv_initialize{
1650: my ($r) = @_;
1651:
1652: &csv_cleanup();
1653: ($navmap,@sequences) =
1654: &Apache::lonstatistics::selected_sequences_with_assessments();
1655: if (! ref($navmap)) {
1656: # Unable to get data, so bail out
1657: $r->print("<h3>".
1658: &mt('Unable to retrieve course information.').
1659: '</h3>');
1660: }
1661: #
1662: # Deal with unimplemented requests
1663: $request_aborted = undef;
1664: if ($chosen_output->{'base'} =~ /final table/) {
1665: $r->print(<<END);
1666: <h2>Unable to Complete Request</h2>
1667: <p>
1668: The <b>Summary Table (Scores)</b> option is not available for non-HTML output.
1669: </p>
1670: END
1671: $request_aborted = 1;
1672: }
1673: return if ($request_aborted);
1674: #
1675: # Initialize progress window
1676: my $studentcount = scalar(@Apache::lonstatistics::Students);
1677: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
1678: ($r,'CSV File Compilation Status',
1679: 'CSV File Compilation Progress', $studentcount,
1680: 'inline',undef,'Statistics','stats_status');
1681: #
1682: # Open a file
1683: ($outputfile,$filename) = &Apache::loncommon::create_text_file($r,'csv');
1684: if (! defined($outputfile)) { return ''; }
1685: #
1686: # Datestamp
1687: my $description = $env{'course.'.$env{'request.course.id'}.'.description'};
1688: print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'.
1689: '"'.&Apache::loncommon::csv_translate(scalar(&Apache::lonlocal::locallocaltime(time))).'"'.
1690: "\n";
1691: print $outputfile '"'.
1692: &Apache::loncommon::csv_translate
1693: (&Apache::lonstatistics::section_and_enrollment_description()).
1694: '"'."\n";
1695: foreach my $item ('shortdesc','non_html_notes') {
1696: next if (! exists($chosen_output->{$item}));
1697: print $outputfile
1698: '"'.&Apache::loncommon::csv_translate($chosen_output->{$item}).'"'.
1699: "\n";
1700: }
1701: #
1702: # Print out the headings
1703: my $sequence_row = '';
1704: my $resource_row = undef;
1705: foreach my $field (&get_student_fields_to_show()) {
1706: $sequence_row .='"",';
1707: $resource_row .= '"'.&Apache::loncommon::csv_translate($field).'",';
1708: }
1709: foreach my $seq (@sequences) {
1710: $sequence_row .= '"'.
1711: &Apache::loncommon::csv_translate($seq->compTitle).'",';
1712: my $count = 0;
1713: if ($chosen_output->{'every_problem'}) {
1714: foreach my $res (&get_resources($navmap,$seq)) {
1715: if (scalar(@{$res->parts}) < 1) {
1716: next;
1717: }
1718: foreach my $part (@{$res->parts}) {
1719: $resource_row .= '"'.
1720: &Apache::loncommon::csv_translate
1721: ($res->compTitle.', Part '.$res->part_display($part)).'",';
1722: $count++;
1723: }
1724: }
1725: }
1726: $sequence_row.='"",'x$count;
1727: if ($chosen_output->{'sequence_sum'}) {
1728: if($chosen_output->{'correct'}) {
1729: $resource_row .= '"'.&mt('sum').'",';
1730: } else {
1731: $resource_row .= '"'.&mt('score').'",';
1732: }
1733: }
1734: if ($chosen_output->{'sequence_max'}) {
1735: $sequence_row.= '"",';
1736: $resource_row .= '"'.&mt('maximum possible').'",';
1737: }
1738: }
1739: if ($chosen_output->{'grand_total'}) {
1740: $sequence_row.= '"",';
1741: $resource_row.= '"'.&mt('Total').'",';
1742: }
1743: if ($chosen_output->{'grand_maximum'}) {
1744: $sequence_row.= '"",';
1745: $resource_row.= '"'.&mt('Maximum').'",';
1746: }
1747: chomp($sequence_row);
1748: chomp($resource_row);
1749: print $outputfile $sequence_row."\n";
1750: print $outputfile $resource_row."\n";
1751: return;
1752: }
1753:
1754: sub csv_outputstudent {
1755: my ($r,$student) = @_;
1756: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1757: return;
1758: }
1759: my $Str = '';
1760: #
1761: # Output student fields
1762: my @to_show = &get_student_fields_to_show();
1763: foreach my $field (@to_show) {
1764: my $value = $student->{$field};
1765: if ($field eq 'comments') {
1766: $value = &Apache::lonmsgdisplay::retrieve_instructor_comments
1767: ($student->{'username'},$student->{'domain'});
1768: }
1769: $Str .= '"'.&Apache::loncommon::csv_translate($value).'",';
1770: }
1771: #
1772: # Get student assessment data
1773: my %StudentsData;
1774: my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'},
1775: $student->{'domain'},
1776: undef,
1777: $env{'request.course.id'});
1778: if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
1779: %StudentsData = @tmp;
1780: }
1781: #
1782: # Output performance data
1783: my $total = 0;
1784: my $maximum = 0;
1785: foreach my $seq (@sequences) {
1786: my $randompick = $seq->randompick();
1787: my ($performance,$performance_length,$score,$seq_max,$rawdata);
1788: if ($chosen_output->{'tries'}){
1789: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1790: &student_tries_on_sequence($student,\%StudentsData,
1791: $navmap,$seq,'no',$randompick);
1792: } else {
1793: ($performance,$performance_length,$score,$seq_max,$rawdata) =
1794: &student_performance_on_sequence($student,\%StudentsData,
1795: $navmap,$seq,'no',
1796: $chosen_output->{ignore_weight},
1797: $randompick);
1798: }
1799: if ($chosen_output->{'every_problem'}) {
1800: if ($chosen_output->{'correct'}) {
1801: $score = 0;
1802: # Deal with number of parts correct data
1803: $Str .= '"'.join('","',( map { if ($_>0) {
1804: $score += 1;
1805: 1;
1806: } else {
1807: 0;
1808: }
1809: } @$rawdata)).'",';
1810: } else {
1811: $Str .= '"'.join('","',(@$rawdata)).'",';
1812: }
1813: }
1814: if ($chosen_output->{'sequence_sum'}) {
1815: $Str .= '"'.$score.'",';
1816: }
1817: if ($chosen_output->{'sequence_max'}) {
1818: $Str .= '"'.$seq_max.'",';
1819: }
1820: $total+=$score;
1821: $maximum += $seq_max;
1822: }
1823: if ($chosen_output->{'grand_total'}) {
1824: $Str .= '"'.$total.'",';
1825: }
1826: if ($chosen_output->{'grand_maximum'}) {
1827: $Str .= '"'.$maximum.'",';
1828: }
1829: chop($Str);
1830: $Str .= "\n";
1831: print $outputfile $Str;
1832: #
1833: # Update the progress window
1834: &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1835: return;
1836: }
1837:
1838: sub csv_finish {
1839: my ($r) = @_;
1840: if ($request_aborted || ! defined($navmap) || ! defined($outputfile)) {
1841: &csv_cleanup();
1842: return;
1843: }
1844: close($outputfile);
1845: #
1846: # Close the progress window
1847: &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1848: #
1849: # Tell the user where to get their csv file
1850: $r->print('<br />'.
1851: '<a href="'.$filename.'">'.&mt('Your CSV file.').'</a>'."\n");
1852: $r->rflush();
1853: &csv_cleanup();
1854: return;
1855:
1856: }
1857:
1858: }
1859:
1860: # This function will return an HTML string including a star, with
1861: # a mouseover popup showing the "real" value. An optional second
1862: # argument lets you show something other than a star.
1863: sub show_star {
1864: my $popup = shift;
1865: my $symbol = shift || '*';
1866: # Escape the popup for JS.
1867: $popup =~ s/([^-a-zA-Z0-9:;,._ ()|!\/?=&*])/'\\' . sprintf("%lo", ord($1))/ge;
1868:
1869: return "<span class=\"LC_chrt_popup_exists\" onmouseover='popup_score(this, \"$popup\");return false;' onmouseout='popdown_score();return false;'>$symbol</span>";
1870: }
1871:
1872: #######################################################
1873: #######################################################
1874:
1875: =pod
1876:
1877: =item &StudentTriesOnSequence()
1878:
1879: Inputs:
1880:
1881: =over 4
1882:
1883: =item $student
1884:
1885: =item $studentdata Hash ref to all student data
1886:
1887: =item $seq Hash ref, the sequence we are working on
1888:
1889: =item $links if defined we will output links to each resource.
1890:
1891: =back
1892:
1893: =cut
1894:
1895: #######################################################
1896: #######################################################
1897: sub student_tries_on_sequence {
1898: my ($student,$studentdata,$navmap,$seq,$links,$randompick) = @_;
1899: $links = 'no' if (! defined($links));
1900: my $Str = '';
1901: my ($sum,$max) = (0,0);
1902: my $performance_length = 0;
1903: my @TriesData = ();
1904: my $tries;
1905: my $hasdata = 0; # flag - true if the student has any data on the sequence
1906: foreach my $resource (&get_resources($navmap,$seq)) {
1907: my $resource_data = $studentdata->{$resource->symb};
1908: my $value = '';
1909: foreach my $partnum (@{$resource->parts()}) {
1910: $tries = undef;
1911: $max++;
1912: $performance_length++;
1913: my $symbol = ' '; # default to space
1914: #
1915: my $awarded = 0;
1916: if (exists($resource_data->{'resource.'.$partnum.'.awarded'})) {
1917: $awarded = $resource_data->{'resource.'.$partnum.'.awarded'};
1918: $awarded = 0 if (! $awarded);
1919: }
1920: #
1921: my $status = '';
1922: if (exists($resource_data->{'resource.'.$partnum.'.solved'})) {
1923: $status = $resource_data->{'resource.'.$partnum.'.solved'};
1924: }
1925: #
1926: my $tries = 0;
1927: if(exists($resource_data->{'resource.'.$partnum.'.tries'})) {
1928: $tries = $resource_data->{'resource.'.$partnum.'.tries'};
1929: $hasdata =1;
1930: }
1931: #
1932: if ($awarded > 0) {
1933: # The student has gotten the problem correct to some degree
1934: if ($status eq 'excused') {
1935: $symbol = 'x';
1936: $max--;
1937: } elsif ($status eq 'correct_by_override' && !$resource->is_task()) {
1938: $symbol = '+';
1939: $sum++;
1940: } elsif ($tries > 0) {
1941: if ($tries > 9) {
1942: $symbol = show_star($tries);
1943: } else {
1944: $symbol = $tries;
1945: }
1946: $sum++;
1947: } else {
1948: $symbol = '+';
1949: $sum++;
1950: }
1951: } else {
1952: # The student has the problem incorrect or it is ungraded
1953: if ($status eq 'excused') {
1954: $symbol = 'x';
1955: $max--;
1956: } elsif ($status eq 'incorrect_by_override') {
1957: $symbol = '-';
1958: } elsif ($status eq 'ungraded_attempted') {
1959: $symbol = 'u';
1960: } elsif ($status eq 'incorrect_attempted' ||
1961: $tries > 0) {
1962: $symbol = '.';
1963: } else {
1964: # Problem is wrong and has not been attempted.
1965: $symbol=' ';
1966: }
1967: }
1968: #
1969: if (! defined($tries)) {
1970: $tries = 0;
1971: }
1972: if ($status =~ /^(incorrect|ungraded)/) {
1973: # Bug 3390: show '-' for tries on incorrect problems
1974: # (csv & excel only)
1975: push(@TriesData,-$tries);
1976: } else {
1977: push (@TriesData,$tries);
1978: }
1979: #
1980: if ( ($links eq 'yes' && $symbol ne ' ') ||
1981: ($links eq 'all')) {
1982: my $link = '/adm/grades'.
1983: '?symb='.&escape($resource->shown_symb).
1984: '&student='.$student->{'username'}.
1985: '&userdom='.$student->{'domain'}.
1986: '&command=submission';
1987: $symbol = &link($symbol, $link);
1988: }
1989: $value .= $symbol;
1990: }
1991: $Str .= $value;
1992: }
1993: if ($randompick) {
1994: $max = $randompick;
1995: }
1996: if (! $hasdata && $sum == 0) {
1997: $sum = ' ';
1998: }
1999: return ($Str,$performance_length,$sum,$max,\@TriesData);
2000: }
2001:
2002: =pod
2003:
2004: =item &link
2005:
2006: Inputs:
2007:
2008: =over 4
2009:
2010: =item $text
2011:
2012: =item $target
2013:
2014: =back
2015:
2016: Takes the text and creates a link to the $text that honors
2017: the value of 'new window' if clicked on, but uses a real
2018: 'href' so middle and right clicks still work.
2019:
2020: $target and $text are assumed to be already correctly escaped; i.e., it
2021: can be dumped out directly into the output stream as-is.
2022:
2023: =cut
2024:
2025: sub link {
2026: my ($text,$target) = @_;
2027: return
2028: "<a href='$target' onclick=\"t=this.href;if(new_window)"
2029: ."{window.open(t)}else{return void(window."
2030: ."location=t)};return false;\">$text</a>";
2031: }
2032:
2033: #######################################################
2034: #######################################################
2035:
2036: =pod
2037:
2038: =item &student_performance_on_sequence
2039:
2040: Inputs:
2041:
2042: =over 4
2043:
2044: =item $student
2045:
2046: =item $studentdata Hash ref to all student data
2047:
2048: =item $seq Hash ref, the sequence we are working on
2049:
2050: =item $links if defined we will output links to each resource.
2051:
2052: =back
2053:
2054: =cut
2055:
2056: #######################################################
2057: #######################################################
2058: sub student_performance_on_sequence {
2059: my ($student,$studentdata,$navmap,$seq,$links,$awarded_only,$randompick) = @_;
2060: $links = 'no' if (! defined($links));
2061: my $Str = ''; # final result string
2062: my ($score,$max) = (0,0);
2063: my $performance_length = 0;
2064: my $symbol;
2065: my @ScoreData = ();
2066: my $partscore;
2067: my $hasdata = 0; # flag, 0 if there were no submissions on the sequence
2068: my %ptsfreq;
2069: foreach my $resource (&get_resources($navmap,$seq)) {
2070: my $symb = $resource->symb;
2071: my $resource_data = $studentdata->{$symb};
2072: my $resmax = 0;
2073: foreach my $part (@{$resource->parts()}) {
2074: $partscore = undef;
2075: my $weight;
2076: if (!$awarded_only){
2077: $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
2078: $symb,
2079: $student->{'domain'},
2080: $student->{'username'},
2081: $student->{'section'});
2082: }
2083: if (!defined($weight) || ($weight eq '')) {
2084: $weight=1;
2085: }
2086: #
2087: $max += $weight; # see the 'excused' branch below...
2088: $resmax += $weight;
2089: $performance_length++; # one character per part
2090: $symbol = ' '; # default to space
2091: #
2092: my $awarded;
2093: if (exists($resource_data->{'resource.'.$part.'.awarded'})) {
2094: $awarded = $resource_data->{'resource.'.$part.'.awarded'};
2095: $awarded = 0 if (! $awarded);
2096: $hasdata = 1;
2097: }
2098: #
2099: $partscore = &Apache::grades::compute_points($weight,$awarded);
2100: if (! defined($awarded)) {
2101: $partscore = undef;
2102: }
2103: $score += $partscore;
2104: $symbol = $partscore;
2105: if (abs($symbol - sprintf("%.0f",$symbol)) < 0.001) {
2106: $symbol = sprintf("%.0f",$symbol);
2107: }
2108: if (length($symbol) > 1) {
2109: $symbol = show_star($symbol);
2110: }
2111: if (exists($resource_data->{'resource.'.$part.'.solved'}) &&
2112: $resource_data->{'resource.'.$part.'.solved'} ne '') {
2113: my $status = $resource_data->{'resource.'.$part.'.solved'};
2114: if ($status eq 'excused') {
2115: $symbol = 'x';
2116: $max -= $weight; # Do not count 'excused' problems.
2117: } elsif ($status eq 'ungraded_attempted') {
2118: $symbol = 'u';
2119: }
2120: $hasdata = 1;
2121: } elsif ($resource_data->{'resource.'.$part.'.award'} eq 'DRAFT') {
2122: $symbol = 'd';
2123: $hasdata = 1;
2124: } elsif (!exists($resource_data->{'resource.'.$part.'.awarded'})){
2125: # Unsolved. Did they try?
2126: if (exists($resource_data->{'resource.'.$part.'.tries'})){
2127: $symbol = '.';
2128: $hasdata = 1;
2129: } else {
2130: $symbol = ' ';
2131: }
2132: }
2133: #
2134: if (! defined($partscore)) {
2135: $partscore = $symbol;
2136: }
2137: push (@ScoreData,$partscore);
2138: #
2139: if ( ($links eq 'yes' && $symbol ne ' ') || ($links eq 'all')) {
2140: my $link = '/adm/grades' .
2141: '?symb='.&escape($resource->shown_symb).
2142: '&student='.$student->{'username'}.
2143: '&userdom='.$student->{'domain'}.
2144: '&command=submission';
2145: $symbol = &link($symbol, $link);
2146: }
2147: $Str .= $symbol;
2148: }
2149: if ($ptsfreq{$resmax}) {
2150: $ptsfreq{$resmax} ++;
2151: } else {
2152: $ptsfreq{$resmax} = 1;
2153: }
2154: }
2155: if ($randompick) {
2156: my @uniquetotals = keys(%ptsfreq);
2157: if ((@uniquetotals = 1) && ($ptsfreq{$uniquetotals[0]} > 0)) {
2158: $max = $max * $randompick/$ptsfreq{$uniquetotals[0]};
2159: }
2160: }
2161: if (! $hasdata && $score == 0) {
2162: $score = ' ';
2163: }
2164: return ($Str,$performance_length,$score,$max,\@ScoreData);
2165: }
2166:
2167: #######################################################
2168: #######################################################
2169:
2170: =pod
2171:
2172: =item &CreateLegend()
2173:
2174: This function returns a formatted string containing the legend for the
2175: chart. The legend describes the symbols used to represent grades for
2176: problems.
2177:
2178: =cut
2179:
2180: #######################################################
2181: #######################################################
2182: sub CreateLegend {
2183: my $Str = "<p><pre>".
2184: " digit score or number of tries to get correct ".
2185: " * correct by student in more than 9 tries\n".
2186: " + correct by hand grading or override\n".
2187: " - incorrect by override\n".
2188: " . incorrect attempted\n".
2189: " u ungraded attempted\n".
2190: " d draft answer saved but not submitted\n".
2191: " not attempted (blank field)\n".
2192: " x excused".
2193: "</pre><p>";
2194: return $Str;
2195: }
2196:
2197: #######################################################
2198: #######################################################
2199:
2200: =pod
2201:
2202: =back
2203:
2204: =cut
2205:
2206: #######################################################
2207: #######################################################
2208:
2209: 1;
2210:
2211: __END__
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