Annotation of loncom/interface/statistics/lonstudentassessment.pm, revision 1.25
1.1 stredwic 1: # The LearningOnline Network with CAPA
2: # (Publication Handler
3: #
1.25 ! matthew 4: # $Id: lonstudentassessment.pm,v 1.24 2003/01/03 23:54:05 minaeibi Exp $
1.1 stredwic 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27: # (Navigate problems for statistical reports
28: # YEAR=2001
29: # 5/5,7/9,7/25/1,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei
30: # 11/1,11/4,11/16,12/14,12/16,12/18,12/20,12/31 Behrouz Minaei
31: # YEAR=2002
32: # 1/22,2/1,2/6,2/25,3/2,3/6,3/17,3/21,3/22,3/26,4/7,5/6 Behrouz Minaei
1.23 minaeibi 33: # 5/12,5/14,5/15,5/19,5/26,7/16,12/24 Behrouz Minaei
1.1 stredwic 34: #
35: ###
36:
1.21 minaeibi 37: package Apache::lonstudentassessment;
1.1 stredwic 38:
39: use strict;
40: use Apache::lonhtmlcommon;
41: use Apache::loncoursedata;
42: use GDBM_File;
43:
1.4 stredwic 44: #my $jr;
45:
1.1 stredwic 46: sub BuildStudentAssessmentPage {
1.2 stredwic 47: my ($cacheDB,$students,$courseID,$formName,$headings,$spacing,
48: $studentInformation,$r,$c)=@_;
1.4 stredwic 49: # $jr = $r;
1.1 stredwic 50: my %cache;
1.6 stredwic 51: unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
1.11 stredwic 52: $r->print('<html><body>Unable to tie database.</body></html>');
1.2 stredwic 53: return;
1.1 stredwic 54: }
1.3 stredwic 55:
56: # Remove students who don't have the proper section.
57: my @sectionsSelected = split(':',$cache{'sectionsSelected'});
58: for(my $studentIndex=((scalar @$students)-1); $studentIndex>=0;
59: $studentIndex--) {
60: my $value = $cache{$students->[$studentIndex].':section'};
61: my $found = 0;
62: foreach (@sectionsSelected) {
63: if($_ eq 'none') {
64: if($value eq '' || !defined($value) || $value eq ' ') {
65: $found = 1;
66: last;
67: }
68: } else {
69: if($value eq $_) {
70: $found = 1;
71: last;
72: }
73: }
74: }
75: if($found == 0) {
76: splice(@$students, $studentIndex, 1);
77: }
78: }
1.4 stredwic 79: my ($infoHeadings, $infoKeys, $sequenceHeadings, $sequenceKeys,
1.21 minaeibi 80: $doNotShow) =
1.4 stredwic 81: &ShouldShowColumns(\%cache, $headings, $studentInformation);
1.3 stredwic 82:
1.21 minaeibi 83: my $selectedName = &FindSelectedStudent(\%cache,
1.2 stredwic 84: $cache{'StudentAssessmentStudent'},
85: $students);
1.4 stredwic 86: $r->print(&CreateInterface(\%cache, $selectedName, $students, $formName,
87: $doNotShow));
1.7 stredwic 88: $r->rflush();
1.1 stredwic 89:
1.4 stredwic 90: my $Str = '';
1.1 stredwic 91: if($selectedName eq 'No Student Selected') {
1.4 stredwic 92: $Str .= '<h3><font color=blue>WARNING: ';
93: $Str .= 'Please select a student</font></h3>';
94: $r->print($Str);
1.2 stredwic 95: return;
1.1 stredwic 96: }
97:
1.2 stredwic 98: $r->print(&CreateTableHeadings(\%cache, $spacing, $infoKeys, $infoHeadings,
99: $sequenceKeys, $sequenceHeadings));
100: untie(%cache);
1.6 stredwic 101: if($c->aborted()) { return $Str; }
1.2 stredwic 102:
1.1 stredwic 103: my $selected=0;
1.24 minaeibi 104: my $Count = 0;
1.2 stredwic 105: $r->print('<pre>'."\n");
1.1 stredwic 106: foreach (@$students) {
1.8 stredwic 107: if($c->aborted()) { return $Str; }
1.17 minaeibi 108: next if ($_ ne $selectedName &&
1.1 stredwic 109: $selectedName ne 'All Students');
110: $selected = 1;
1.2 stredwic 111:
1.8 stredwic 112: my @who = ($_);
1.17 minaeibi 113: next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true',
114: $cacheDB, 'true',
1.8 stredwic 115: 'false', $courseID,
116: $r, $c) ne 'OK');
1.6 stredwic 117: next if($c->aborted());
1.2 stredwic 118:
1.6 stredwic 119: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
1.8 stredwic 120: my @before=();
121: my @after=();
122: my @updateColumn=();
123: my $foundUpdate = 0;
124: foreach(@$infoKeys) {
125: if(/updateTime/) {
126: $foundUpdate=1;
127: push(@updateColumn, $_);
128: next;
129: }
130: if($foundUpdate) {
131: push(@after, $_);
132: } else {
133: push(@before, $_);
134: }
135: }
1.24 minaeibi 136: $Count++;
137: my $out = '';
138: # $out .= sprintf("%3d", $Count);
139: if($Count % 2) {
140: $out .= '<bgcolor="#FFFFFF">';
141: } else {
142: $out .= '<bgcolor="#F6F6F6">';
143: }
144: my $displayString = $out.'DISPLAYDATA'.$spacing;
145: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
1.2 stredwic 146: \%cache, $_,
1.8 stredwic 147: \@before,
148: $displayString,
149: 'preformatted'));
150:
151: if($foundUpdate) {
152: $displayString = '';
153: $displayString .= '<a href="/adm/statistics?reportSelected=';
154: $displayString .= &Apache::lonnet::escape('Student Assessment');
155: $displayString .= '&download='.$_.'">';
156: $displayString .= 'DISPLAYDATA</a>'.$spacing;
157: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
158: \%cache, $_,
159: \@updateColumn,
160: $displayString,
161: 'preformatted'));
162: }
163:
164: $displayString = 'DISPLAYDATA'.$spacing;
165: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
166: \%cache, $_,
167: \@after,
1.2 stredwic 168: $displayString,
169: 'preformatted'));
170: $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));
171: $r->print("\n");
1.7 stredwic 172: $r->rflush();
1.1 stredwic 173: untie(%cache);
174: }
175: }
1.16 minaeibi 176:
1.23 minaeibi 177: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
178: $r->print(&StudentAverageTotal(\%cache, $students, $sequenceKeys));
179: untie(%cache);
180: }
1.2 stredwic 181: $r->print('</pre>'."\n");
1.1 stredwic 182: if($selected == 0) {
1.4 stredwic 183: $Str .= '<h3><font color=blue>WARNING: ';
184: $Str .= 'Please select a student</font></h3>';
185: $r->print($Str);
1.1 stredwic 186: }
187:
1.2 stredwic 188: return;
189: }
190:
1.21 minaeibi 191:
192:
193:
1.2 stredwic 194: #---- Student Assessment Web Page --------------------------------------------
195:
196: sub CreateInterface {
1.4 stredwic 197: my($cache,$selectedName,$students,$formName,$doNotShow)=@_;
198:
199: my $Str = '';
200: $Str .= &CreateLegend();
201: $Str .= '<table><tr><td>'."\n";
202: $Str .= '<input type="submit" name="PreviousStudent" ';
203: $Str .= 'value="Previous Student" />'."\n";
204: $Str .= '   '."\n";
1.17 minaeibi 205: $Str .= &Apache::lonhtmlcommon::StudentOptions($cache, $students,
1.21 minaeibi 206: $selectedName,
207: 'StudentAssessment',
1.2 stredwic 208: $formName);
1.4 stredwic 209: $Str .= "\n".'   '."\n";
210: $Str .= '<input type="submit" name="NextStudent" ';
211: $Str .= 'value="Next Student" />'."\n";
212: $Str .= '</td></tr></table>'."\n";
213: $Str .= '<table cellspacing="5"><tr>'."\n";
214: $Str .= '<td align="center"><b>Select Sections</b>'."\n";
215: $Str .= '</td>'."\n";
216: $Str .= '<td align="center"><b>Select column to view:</b></td>'."\n";
217: $Str .= '<td></td></tr>'."\n";
1.3 stredwic 218:
1.4 stredwic 219: $Str .= '<tr><td align="center">'."\n";
1.3 stredwic 220: my @sections = split(':',$cache->{'sectionList'});
221: my @selectedSections = split(':',$cache->{'sectionsSelected'});
1.4 stredwic 222: $Str .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections,
1.3 stredwic 223: \@selectedSections,
224: 'Statistics');
1.4 stredwic 225: $Str .= '</td><td align="center">';
226: $Str .= &CreateColumnSelectionBox($doNotShow);
227: $Str .= '</td><td>'."\n";
228: $Str .= '<input type="submit" name="DefaultColumns" ';
229: $Str .= 'value="Default Column Display" />'."\n";
1.18 matthew 230: $Str .= '</td><td>'."\n";
231: $Str .= '<input type="submit" name="displaymode" ';
232: if (! exists($ENV{'form.displaymode'}) ||
233: lc($ENV{'form.displaymode'}) eq 'display with links') {
234: $Str .= 'value="Display without links" />';
235: # Set the current value, in case it is undefined
1.21 minaeibi 236: $ENV{'form.displaymode'} = 'Display with links';
1.18 matthew 237: } else {
238: $Str .= 'value="Display with links" />';
239: }
240: $Str .= "\n";
1.4 stredwic 241: $Str .= '</td></tr></table>'."\n";
1.2 stredwic 242:
1.4 stredwic 243: return $Str;
1.1 stredwic 244: }
245:
1.2 stredwic 246: sub CreateTableHeadings {
247: my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys,
248: $sequenceHeadings)=@_;
249:
1.24 minaeibi 250: # my $Str = '     ';
1.2 stredwic 251: my $Str = '';
1.4 stredwic 252: $Str .= '<table border="0" cellpadding="0" cellspacing="0">'."\n";
253:
254: $Str .= '<tr>'."\n";
255: $Str .= &CreateColumnSelectors($infoHeadings, $sequenceHeadings,
256: $sequenceKeys);
257: $Str .= '<td></td></tr>'."\n";
1.2 stredwic 258:
1.4 stredwic 259: $Str .= '<tr>'."\n";
1.2 stredwic 260: my $displayString = '<td align="left"><pre><a href="/adm/statistics?';
261: $displayString .= 'sort=LINKDATA">DISPLAYDATA</a>FORMATTING';
262: $displayString .= $spacing.'</pre></td>'."\n";
1.17 minaeibi 263: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
1.2 stredwic 264: $infoKeys,
265: $infoHeadings,
266: $displayString,
267: 'preformatted');
268:
1.8 stredwic 269: $displayString = '<td align="left"><pre>DISPLAYDATAFORMATTING'.$spacing;
1.2 stredwic 270: $displayString .= '</pre></td>'."\n";
271: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
272: $sequenceKeys,
273: $sequenceHeadings,
274: $displayString,
275: 'preformatted');
276:
277: $Str .= '<td><pre>Total Solved/Total Problems</pre></td>';
278: $Str .= '</tr></table>'."\n";
279:
280: return $Str;
281: }
282:
283: =pod
284:
285: =item &FormatStudentData()
286:
287: First, FormatStudentInformation is called and prefixes the course information.
1.18 matthew 288: This function produces a formatted string of the student\'s course information.
1.2 stredwic 289: Each column of data represents all the problems for a given sequence. For
290: valid grade data, a link is created for that problem to a submission record
291: for that problem.
292:
293: =over 4
294:
295: Input: $name, $studentInformation, $ChartDB
296:
297: $name: The name and domain of the current student in name:domain format
298:
299: $studentInformation: A pointer to an array holding the names used to
300: remove data from the hash. They represent
301: the name of the data to be removed.
302:
303: $ChartDB: The name of the cached data database which will be tied to that
304: database.
305:
306: Output: $Str
307:
1.21 minaeibi 308: $Str: Formatted string that is an entire row of the chart. It is a
1.2 stredwic 309: concatenation of student information and student course information.
310:
311: =back
312:
313: =cut
1.1 stredwic 314:
315: sub StudentReport {
1.2 stredwic 316: my ($cache,$name,$spacing,$showSequences)=@_;
317: my ($username,$domain)=split(':',$name);
1.1 stredwic 318:
319: my $Str = '';
1.8 stredwic 320: if(defined($cache->{$name.':error'})) {
1.10 stredwic 321: return $Str;
1.8 stredwic 322: }
1.1 stredwic 323: if($cache->{$name.':error'} =~ /course/) {
324: $Str .= '<b><font color="blue">No course data for student </font>';
325: $Str .= '<font color="red">'.$username.'.</font></b><br>';
326: return $Str;
327: }
328:
1.10 stredwic 329: my $hasVersion = 'false';
330: my $hasFinalData = 'false';
1.2 stredwic 331: foreach my $sequence (@$showSequences) {
1.10 stredwic 332: my $hasData = 'false';
1.2 stredwic 333: my $characterCount=0;
1.1 stredwic 334: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
335: my $problem = $cache->{$problemID.':problem'};
1.2 stredwic 336: # All grades (except for versionless parts) are displayed as links
337: # to their submission record. Loop through all the parts for the
338: # current problem in the correct order and prepare the output links
339: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
340: ':parts'})) {
1.9 stredwic 341: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
1.10 stredwic 342: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
343: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
1.8 stredwic 344: $Str .= ' ';
1.10 stredwic 345: $characterCount++;
1.8 stredwic 346: next;
1.2 stredwic 347: }
1.10 stredwic 348: $hasVersion = 'true';
349: $hasData = 'true';
1.18 matthew 350: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
351: $Str .= '<a href="/adm/grades?symb=';
352: $Str .= &Apache::lonnet::escape($problem);
353: $Str .= '&student='.$username.'&domain='.$domain;
1.21 minaeibi 354: $Str .= '&command=submission">';
1.18 matthew 355: }
1.8 stredwic 356: my $code = $cache->{$name.':'.$problemID.':'.$_.':code'};
357: my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'};
358: if($code eq '*' && $tries < 10 && $tries ne '') {
359: $code = $tries;
1.2 stredwic 360: }
1.8 stredwic 361: $Str .= $code;
1.18 matthew 362: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
363: $Str .= '</a>';
364: }
1.10 stredwic 365: $characterCount++;
1.2 stredwic 366: }
367: }
368:
369: # Output the number of correct answers for the current sequence.
1.17 minaeibi 370: # This part takes up 6 character slots, but is formated right
371: # justified.
372: my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
373: $spacesNeeded -= 3;
374: $Str .= (' 'x$spacesNeeded);
375:
376: # my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence.
377: # ':problemsCorrect'});
378:
379: my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence.
380: ':problemsCorrect'},
381: $characterCount);
382: if($hasData eq 'true') {
383: $Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>';
384: $hasFinalData = 'true';
385: } else {
386: $Str .= '<font color="#007700"> </font>';
387: }
388: $Str .= $spacing;
389: }
390:
391: # Output the total correct problems over the total number of problems.
392: # I don't like this type of formatting, but it is a solution. Need
393: # a way to dynamically determine the space requirements.
394: my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'});
395: my $outputTotalProblems = sprintf("%4d", $cache->{$name.':totalProblems'});
396: if($hasFinalData eq 'true') {
397: $Str .= '<font color="#000088">'.$outputProblemsSolved.
398: ' / '.$outputTotalProblems.'</font>';
399: } else {
400: $Str .= '<font color="#000088"> </font>';
401: }
402:
403: if($hasVersion eq 'false') {
404: $Str = '<b><font color="blue">No course data.</font></b>';
405: }
406:
407: return $Str;
408: }
409:
410:
411: sub StudentAverageTotal {
1.21 minaeibi 412: my ($cache, $students, $sequenceKeys)=@_;
1.23 minaeibi 413: my $Str = "\n<b>Summary Tables:</b>\n";
1.21 minaeibi 414: my %Correct = ();
415: my $ProblemsSolved = 0;
416: my $TotalProblems = 0;
417: my $StudentCount = 0;
418:
419: foreach my $name (@$students) {
420: $StudentCount++;
421: foreach my $sequence (@$sequenceKeys) {
1.23 minaeibi 422: $Correct{$sequence} +=
423: $cache->{$name.':'.$sequence.':problemsCorrect'};
1.17 minaeibi 424: }
1.21 minaeibi 425: $ProblemsSolved += $cache->{$name.':problemsSolved'};
426: $TotalProblems += $cache->{$name.':totalProblems'};
1.1 stredwic 427: }
1.25 ! matthew 428: if ($StudentCount) {
! 429: $ProblemsSolved /= $StudentCount;
! 430: $TotalProblems /= $StudentCount;
! 431: } else {
! 432: $ProblemsSolved = 0;
! 433: $TotalProblems = 0;
! 434: }
1.24 minaeibi 435: $Str .= '<table border=2 cellspacing="1">'."\n";
1.23 minaeibi 436: $Str .= '<tr><td><b>Students Count</b></td><td><b>'.
437: $StudentCount.'</b></td></tr>'."\n";
438: $Str .= '<tr><td><b>Total Problems</b></td><td><b>'.
439: $TotalProblems.'</b></td></tr>'."\n";
440: $Str .= '<tr><td><b>Average Correct</b></td><td><b>'.
441: $ProblemsSolved.'</b></td></tr>'."\n";
442: $Str .= '</table>'."\n";
443:
1.24 minaeibi 444: $Str .= '<table border=2 cellspacing="1">'."\n";
1.23 minaeibi 445: $Str .= '<tr><th>Title</th><th>Total Problems</th>'.
446: '<th>Average Correct</th></tr>'."\n";
447: foreach my $S(@$sequenceKeys) {
448: my $title=$cache->{$S.':title'};
449: #$Str .= $cache->{$S.':problems'};
1.24 minaeibi 450: #my @problems=split(':', $cache->{$S.':problems'});
1.23 minaeibi 451: #my $pCount=scalar @problems;
452: my $pCount=MaxSeqPr($cache,@$students[0],$S);
1.25 ! matthew 453: my $crr;
! 454: if ($StudentCount) {
! 455: $crr=sprintf( "%.2f", $Correct{$S}/$StudentCount );
! 456: } else {
! 457: $crr="0.00";
! 458: }
1.23 minaeibi 459: $Str .= '<tr><td>'.$title.
460: '</td><td align=center>'.$pCount.
461: '</td><td align=center>'.$crr.
462: '</td></tr>'."\n";
1.10 stredwic 463: }
1.1 stredwic 464:
1.23 minaeibi 465: $Str .= '</table>'."\n";
466:
1.1 stredwic 467: return $Str;
468: }
1.23 minaeibi 469:
470:
471:
472: sub MaxSeqPr {
473: my ($cache, $name, $sequence)=@_;
474: my $prCount=0;
475: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
476: my $problem = $cache->{$problemID.':problem'};
477: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.':parts'})) {
478: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
479: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
480: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
481: $prCount++;
482: next;
483: }
484: $prCount++;
485: }
486: }
487: return $prCount;
488: }
489:
490:
1.1 stredwic 491:
1.17 minaeibi 492:
493:
1.2 stredwic 494: =pod
495:
496: =item &CreateLegend()
497:
498: This function returns a formatted string containing the legend for the
499: chart. The legend describes the symbols used to represent grades for
500: problems.
501:
502: =cut
503:
504: sub CreateLegend {
505: my $Str = "<p><pre>".
1.13 minaeibi 506: " 1 correct by student in 1 try\n".
507: " 7 correct by student in 7 tries\n".
1.12 minaeibi 508: " * correct by student in more than 9 tries\n".
1.20 minaeibi 509: " + correct by hand grading or override\n".
1.12 minaeibi 510: " - incorrect by override\n".
511: " . incorrect attempted\n".
512: " # ungraded attempted\n".
1.13 minaeibi 513: " not attempted (blank field)\n".
1.12 minaeibi 514: " x excused".
1.17 minaeibi 515: "</pre><p>";
1.2 stredwic 516: return $Str;
517: }
518:
519: =pod
520:
521: =item &CreateColumnSelectionBox()
522:
523: If there are columns not being displayed then this selection box is created
1.17 minaeibi 524: with a list of those columns. When selections are made and the page
1.2 stredwic 525: refreshed, the columns will be removed from this box and the column is
526: put back in the chart. If there is no columns to select, no row is added
527: to the interface table.
528:
529: =over 4
530: Input: $CacheData, $headings
531:
532:
533: $CacheData: A pointer to a hash tied to the cached data
534:
1.17 minaeibi 535: $headings: An array of the names of the columns for the student information.
1.2 stredwic 536: They are used for displaying which columns are missing.
537:
538: Output: $notThere
539:
1.17 minaeibi 540: $notThere: The string contains one row of a table. The first column has the
541: name of the selection box. The second contains the selection box
1.2 stredwic 542: which has a size of four.
543:
544: =back
545:
546: =cut
547:
548: sub CreateColumnSelectionBox {
1.4 stredwic 549: my ($doNotShow)=@_;
1.2 stredwic 550:
1.4 stredwic 551: my $notThere = '';
552: $notThere .= '<select name="ReselectColumns" size="4" ';
553: $notThere .= 'multiple="true">'."\n";
554:
555: for(my $index=0; $index<$doNotShow->{'count'}; $index++) {
556: my $name = $doNotShow->{$index.':name'};
557: $notThere .= '<option value="';
558: $notThere .= $doNotShow->{$index.':id'}.'">';
1.2 stredwic 559: $notThere .= $name.'</option>'."\n";
560: }
561:
1.4 stredwic 562: $notThere .= '</select>';
1.2 stredwic 563:
1.4 stredwic 564: return $notThere;
1.2 stredwic 565: }
566:
567: =pod
568:
569: =item &CreateColumnSelectors()
570:
1.17 minaeibi 571: This function generates the checkboxes above the column headings. The
1.2 stredwic 572: column will be removed if the checkbox is unchecked.
573:
574: =over 4
575:
576: Input: $CacheData, $headings
577:
578: $CacheData: A pointer to a hash tied to the cached data
579:
580: $headings: An array of the names of the columns for the student
581: information. They are used to know what are the student information columns
582:
583: Output: $present
584:
585: $present: The string contains the first row of a table. Each column contains
586: a checkbox which is left justified. Currently left justification is used
587: for consistency of location over the column in which it presides.
588:
589: =back
590:
591: =cut
592:
593: sub CreateColumnSelectors {
1.4 stredwic 594: my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
1.2 stredwic 595:
1.4 stredwic 596: my $present = '';
597: for(my $index=0; $index<(scalar @$infoHeadings); $index++) {
1.2 stredwic 598: $present .= '<td align="left">';
599: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 600: $present .= 'name="HeadingColumn'.$infoHeadings->[$index].'" />';
601: $present .= '</td>'."\n";
1.2 stredwic 602: }
603:
1.4 stredwic 604: for(my $index=0; $index<(scalar @$sequenceHeadings); $index++) {
1.2 stredwic 605: $present .= '<td align="left">';
606: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 607: $present .= 'name="SequenceColumn'.$sequenceKeys->[$index].'" />';
608: $present .= '</td>'."\n";
1.2 stredwic 609: }
610:
1.4 stredwic 611: return $present;
1.2 stredwic 612: }
613:
1.1 stredwic 614: #---- END Student Assessment Web Page ----------------------------------------
1.2 stredwic 615:
616: #---- Student Assessment Worker Functions ------------------------------------
617:
618: sub FindSelectedStudent {
619: my($cache, $selectedName, $students)=@_;
1.3 stredwic 620:
1.17 minaeibi 621: if($selectedName eq 'All Students' ||
1.3 stredwic 622: $selectedName eq 'No Student Selected') {
623: return $selectedName;
624: }
625:
626: for(my $index=0; $index<(scalar @$students); $index++) {
1.2 stredwic 627: my $fullname = $cache->{$students->[$index].':fullname'};
628: if($fullname eq $selectedName) {
629: if($cache->{'StudentAssessmentMove'} eq 'next') {
630: if($index == ((scalar @$students) - 1)) {
631: $selectedName = $students->[0];
1.3 stredwic 632: return $selectedName;
1.2 stredwic 633: } else {
634: $selectedName = $students->[$index+1];
1.3 stredwic 635: return $selectedName;
1.2 stredwic 636: }
637: } elsif($cache->{'StudentAssessmentMove'} eq 'previous') {
638: if($index == 0) {
639: $selectedName = $students->[-1];
1.3 stredwic 640: return $selectedName;
1.2 stredwic 641: } else {
642: $selectedName = $students->[$index-1];
1.3 stredwic 643: return $selectedName;
1.2 stredwic 644: }
645: } else {
646: $selectedName = $students->[$index];
1.3 stredwic 647: return $selectedName;
1.2 stredwic 648: }
649: last;
650: }
651: }
652:
1.3 stredwic 653: return 'No Student Selected';
1.2 stredwic 654: }
655:
656: =pod
657:
658: =item &ShouldShowColumn()
659:
660: Determine if a specified column should be shown on the chart.
661:
662: =over 4
663:
664: Input: $cache, $test
665:
666: $cache: A pointer to the hash tied to the cached data
667:
668: $test: The form name of the column (heading.$headingIndex) or
669: (sequence.$sequenceIndex)
670:
671: Output: 0 (false), 1 (true)
672:
673: =back
674:
675: =cut
676:
677: sub ShouldShowColumns {
678: my ($cache,$headings,$cacheKey)=@_;
679:
680: my @infoKeys=();
681: my @infoHeadings=();
682:
683: my @sequenceKeys=();
684: my @sequenceHeadings=();
685:
1.4 stredwic 686: my %doNotShow;
687:
1.2 stredwic 688: my $index;
1.4 stredwic 689: my $count = 0;
690: my $check = '';
1.2 stredwic 691: for($index=0; $index < scalar @$headings; $index++) {
1.4 stredwic 692: $check = 'HeadingColumn'.$headings->[$index];
693: if($cache->{'HeadingsFound'} =~ /$check/) {
694: push(@infoHeadings, $headings->[$index]);
695: push(@infoKeys, $cacheKey->[$index]);
696: } else {
697: $doNotShow{$count.':name'} = $headings->[$index];
698: $doNotShow{$count.':id'} = 'HeadingColumn'.$headings->[$index];
699: $count++;
700: }
1.2 stredwic 701: }
702:
703: foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {
1.4 stredwic 704: $check = 'SequenceColumn'.$sequence;
1.21 minaeibi 705: if($cache->{'SequencesFound'} eq 'All Sequences' ||
1.4 stredwic 706: $cache->{'SequencesFound'} =~ /$check/) {
707: push(@sequenceHeadings, $cache->{$sequence.':title'});
708: push(@sequenceKeys, $sequence);
709: } else {
710: $doNotShow{$count.':name'} = $cache->{$sequence.':title'};
711: $doNotShow{$count.':id'} = 'SequenceColumn'.$sequence;
712: $count++;
713: }
1.2 stredwic 714: }
715:
1.4 stredwic 716: $doNotShow{'count'} = $count;
1.2 stredwic 717:
1.21 minaeibi 718: return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
1.4 stredwic 719: \@sequenceKeys, \%doNotShow);
1.2 stredwic 720: }
721:
722: #---- END Student Assessment Worker Functions --------------------------------
723:
1.1 stredwic 724: 1;
725: __END__
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