Annotation of loncom/interface/statistics/lonstudentassessment.pm, revision 1.23
1.1 stredwic 1: # The LearningOnline Network with CAPA
2: # (Publication Handler
3: #
1.23 ! minaeibi 4: # $Id: lonstudentassessment.pm,v 1.22 2002/12/18 20:02:34 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;
1.2 stredwic 104: $r->print('<pre>'."\n");
1.1 stredwic 105: foreach (@$students) {
1.8 stredwic 106: if($c->aborted()) { return $Str; }
1.17 minaeibi 107: next if ($_ ne $selectedName &&
1.1 stredwic 108: $selectedName ne 'All Students');
109: $selected = 1;
1.2 stredwic 110:
1.8 stredwic 111: my @who = ($_);
1.17 minaeibi 112: next if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'true',
113: $cacheDB, 'true',
1.8 stredwic 114: 'false', $courseID,
115: $r, $c) ne 'OK');
1.6 stredwic 116: next if($c->aborted());
1.2 stredwic 117:
1.6 stredwic 118: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
1.8 stredwic 119: my @before=();
120: my @after=();
121: my @updateColumn=();
122: my $foundUpdate = 0;
123: foreach(@$infoKeys) {
124: if(/updateTime/) {
125: $foundUpdate=1;
126: push(@updateColumn, $_);
127: next;
128: }
129: if($foundUpdate) {
130: push(@after, $_);
131: } else {
132: push(@before, $_);
133: }
134: }
1.2 stredwic 135: my $displayString = 'DISPLAYDATA'.$spacing;
136: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
137: \%cache, $_,
1.8 stredwic 138: \@before,
139: $displayString,
140: 'preformatted'));
141:
142: if($foundUpdate) {
143: $displayString = '';
144: $displayString .= '<a href="/adm/statistics?reportSelected=';
145: $displayString .= &Apache::lonnet::escape('Student Assessment');
146: $displayString .= '&download='.$_.'">';
147: $displayString .= 'DISPLAYDATA</a>'.$spacing;
148: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
149: \%cache, $_,
150: \@updateColumn,
151: $displayString,
152: 'preformatted'));
153: }
154:
155: $displayString = 'DISPLAYDATA'.$spacing;
156: $r->print(&Apache::lonhtmlcommon::FormatStudentInformation(
157: \%cache, $_,
158: \@after,
1.2 stredwic 159: $displayString,
160: 'preformatted'));
161: $r->print(&StudentReport(\%cache, $_, $spacing, $sequenceKeys));
162: $r->print("\n");
1.7 stredwic 163: $r->rflush();
1.1 stredwic 164: untie(%cache);
165: }
166: }
1.16 minaeibi 167:
1.23 ! minaeibi 168: if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) {
! 169: $r->print(&StudentAverageTotal(\%cache, $students, $sequenceKeys));
! 170: untie(%cache);
! 171: }
1.2 stredwic 172: $r->print('</pre>'."\n");
1.1 stredwic 173: if($selected == 0) {
1.4 stredwic 174: $Str .= '<h3><font color=blue>WARNING: ';
175: $Str .= 'Please select a student</font></h3>';
176: $r->print($Str);
1.1 stredwic 177: }
178:
1.2 stredwic 179: return;
180: }
181:
1.21 minaeibi 182:
183:
184:
1.2 stredwic 185: #---- Student Assessment Web Page --------------------------------------------
186:
187: sub CreateInterface {
1.4 stredwic 188: my($cache,$selectedName,$students,$formName,$doNotShow)=@_;
189:
190: my $Str = '';
191: $Str .= &CreateLegend();
192: $Str .= '<table><tr><td>'."\n";
193: $Str .= '<input type="submit" name="PreviousStudent" ';
194: $Str .= 'value="Previous Student" />'."\n";
195: $Str .= '   '."\n";
1.17 minaeibi 196: $Str .= &Apache::lonhtmlcommon::StudentOptions($cache, $students,
1.21 minaeibi 197: $selectedName,
198: 'StudentAssessment',
1.2 stredwic 199: $formName);
1.4 stredwic 200: $Str .= "\n".'   '."\n";
201: $Str .= '<input type="submit" name="NextStudent" ';
202: $Str .= 'value="Next Student" />'."\n";
203: $Str .= '</td></tr></table>'."\n";
204: $Str .= '<table cellspacing="5"><tr>'."\n";
205: $Str .= '<td align="center"><b>Select Sections</b>'."\n";
206: $Str .= '</td>'."\n";
207: $Str .= '<td align="center"><b>Select column to view:</b></td>'."\n";
208: $Str .= '<td></td></tr>'."\n";
1.3 stredwic 209:
1.4 stredwic 210: $Str .= '<tr><td align="center">'."\n";
1.3 stredwic 211: my @sections = split(':',$cache->{'sectionList'});
212: my @selectedSections = split(':',$cache->{'sectionsSelected'});
1.4 stredwic 213: $Str .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections,
1.3 stredwic 214: \@selectedSections,
215: 'Statistics');
1.4 stredwic 216: $Str .= '</td><td align="center">';
217: $Str .= &CreateColumnSelectionBox($doNotShow);
218: $Str .= '</td><td>'."\n";
219: $Str .= '<input type="submit" name="DefaultColumns" ';
220: $Str .= 'value="Default Column Display" />'."\n";
1.18 matthew 221: $Str .= '</td><td>'."\n";
222: $Str .= '<input type="submit" name="displaymode" ';
223: if (! exists($ENV{'form.displaymode'}) ||
224: lc($ENV{'form.displaymode'}) eq 'display with links') {
225: $Str .= 'value="Display without links" />';
226: # Set the current value, in case it is undefined
1.21 minaeibi 227: $ENV{'form.displaymode'} = 'Display with links';
1.18 matthew 228: } else {
229: $Str .= 'value="Display with links" />';
230: }
231: $Str .= "\n";
1.4 stredwic 232: $Str .= '</td></tr></table>'."\n";
1.2 stredwic 233:
1.4 stredwic 234: return $Str;
1.1 stredwic 235: }
236:
1.2 stredwic 237: sub CreateTableHeadings {
238: my($cache,$spacing,$infoKeys,$infoHeadings,$sequenceKeys,
239: $sequenceHeadings)=@_;
240:
241: my $Str = '';
1.4 stredwic 242: $Str .= '<table border="0" cellpadding="0" cellspacing="0">'."\n";
243:
244: $Str .= '<tr>'."\n";
245: $Str .= &CreateColumnSelectors($infoHeadings, $sequenceHeadings,
246: $sequenceKeys);
247: $Str .= '<td></td></tr>'."\n";
1.2 stredwic 248:
1.4 stredwic 249: $Str .= '<tr>'."\n";
1.2 stredwic 250: my $displayString = '<td align="left"><pre><a href="/adm/statistics?';
251: $displayString .= 'sort=LINKDATA">DISPLAYDATA</a>FORMATTING';
252: $displayString .= $spacing.'</pre></td>'."\n";
1.17 minaeibi 253: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
1.2 stredwic 254: $infoKeys,
255: $infoHeadings,
256: $displayString,
257: 'preformatted');
258:
1.8 stredwic 259: $displayString = '<td align="left"><pre>DISPLAYDATAFORMATTING'.$spacing;
1.2 stredwic 260: $displayString .= '</pre></td>'."\n";
261: $Str .= &Apache::lonhtmlcommon::CreateHeadings($cache,
262: $sequenceKeys,
263: $sequenceHeadings,
264: $displayString,
265: 'preformatted');
266:
267: $Str .= '<td><pre>Total Solved/Total Problems</pre></td>';
268: $Str .= '</tr></table>'."\n";
269:
270: return $Str;
271: }
272:
273: =pod
274:
275: =item &FormatStudentData()
276:
277: First, FormatStudentInformation is called and prefixes the course information.
1.18 matthew 278: This function produces a formatted string of the student\'s course information.
1.2 stredwic 279: Each column of data represents all the problems for a given sequence. For
280: valid grade data, a link is created for that problem to a submission record
281: for that problem.
282:
283: =over 4
284:
285: Input: $name, $studentInformation, $ChartDB
286:
287: $name: The name and domain of the current student in name:domain format
288:
289: $studentInformation: A pointer to an array holding the names used to
290: remove data from the hash. They represent
291: the name of the data to be removed.
292:
293: $ChartDB: The name of the cached data database which will be tied to that
294: database.
295:
296: Output: $Str
297:
1.21 minaeibi 298: $Str: Formatted string that is an entire row of the chart. It is a
1.2 stredwic 299: concatenation of student information and student course information.
300:
301: =back
302:
303: =cut
1.1 stredwic 304:
305: sub StudentReport {
1.2 stredwic 306: my ($cache,$name,$spacing,$showSequences)=@_;
307: my ($username,$domain)=split(':',$name);
1.1 stredwic 308:
309: my $Str = '';
1.8 stredwic 310: if(defined($cache->{$name.':error'})) {
1.10 stredwic 311: return $Str;
1.8 stredwic 312: }
1.1 stredwic 313: if($cache->{$name.':error'} =~ /course/) {
314: $Str .= '<b><font color="blue">No course data for student </font>';
315: $Str .= '<font color="red">'.$username.'.</font></b><br>';
316: return $Str;
317: }
318:
1.10 stredwic 319: my $hasVersion = 'false';
320: my $hasFinalData = 'false';
1.2 stredwic 321: foreach my $sequence (@$showSequences) {
1.10 stredwic 322: my $hasData = 'false';
1.2 stredwic 323: my $characterCount=0;
1.1 stredwic 324: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
325: my $problem = $cache->{$problemID.':problem'};
1.2 stredwic 326: # All grades (except for versionless parts) are displayed as links
327: # to their submission record. Loop through all the parts for the
328: # current problem in the correct order and prepare the output links
329: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.
330: ':parts'})) {
1.9 stredwic 331: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
1.10 stredwic 332: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
333: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
1.8 stredwic 334: $Str .= ' ';
1.10 stredwic 335: $characterCount++;
1.8 stredwic 336: next;
1.2 stredwic 337: }
1.10 stredwic 338: $hasVersion = 'true';
339: $hasData = 'true';
1.18 matthew 340: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
341: $Str .= '<a href="/adm/grades?symb=';
342: $Str .= &Apache::lonnet::escape($problem);
343: $Str .= '&student='.$username.'&domain='.$domain;
1.21 minaeibi 344: $Str .= '&command=submission">';
1.18 matthew 345: }
1.8 stredwic 346: my $code = $cache->{$name.':'.$problemID.':'.$_.':code'};
347: my $tries = $cache->{$name.':'.$problemID.':'.$_.':tries'};
348: if($code eq '*' && $tries < 10 && $tries ne '') {
349: $code = $tries;
1.2 stredwic 350: }
1.8 stredwic 351: $Str .= $code;
1.18 matthew 352: if (lc($ENV{'form.displaymode'}) ne 'display without links') {
353: $Str .= '</a>';
354: }
1.10 stredwic 355: $characterCount++;
1.2 stredwic 356: }
357: }
358:
359: # Output the number of correct answers for the current sequence.
1.17 minaeibi 360: # This part takes up 6 character slots, but is formated right
361: # justified.
362: my $spacesNeeded=$cache->{$sequence.':columnWidth'}-$characterCount;
363: $spacesNeeded -= 3;
364: $Str .= (' 'x$spacesNeeded);
365:
366: # my $outputProblemsCorrect = sprintf("%3d", $cache->{$name.':'.$sequence.
367: # ':problemsCorrect'});
368:
369: my $outputProblemsCorrect = sprintf("%2d/%2d", $cache->{$name.':'.$sequence.
370: ':problemsCorrect'},
371: $characterCount);
372: if($hasData eq 'true') {
373: $Str .= '<font color="#007700">'.$outputProblemsCorrect.'</font>';
374: $hasFinalData = 'true';
375: } else {
376: $Str .= '<font color="#007700"> </font>';
377: }
378: $Str .= $spacing;
379: }
380:
381: # Output the total correct problems over the total number of problems.
382: # I don't like this type of formatting, but it is a solution. Need
383: # a way to dynamically determine the space requirements.
384: my $outputProblemsSolved = sprintf("%4d", $cache->{$name.':problemsSolved'});
385: my $outputTotalProblems = sprintf("%4d", $cache->{$name.':totalProblems'});
386: if($hasFinalData eq 'true') {
387: $Str .= '<font color="#000088">'.$outputProblemsSolved.
388: ' / '.$outputTotalProblems.'</font>';
389: } else {
390: $Str .= '<font color="#000088"> </font>';
391: }
392:
393: if($hasVersion eq 'false') {
394: $Str = '<b><font color="blue">No course data.</font></b>';
395: }
396:
397: return $Str;
398: }
399:
400:
401: sub StudentAverageTotal {
1.21 minaeibi 402: my ($cache, $students, $sequenceKeys)=@_;
1.23 ! minaeibi 403: my $Str = "\n<b>Summary Tables:</b>\n";
1.21 minaeibi 404: my %Correct = ();
405: my $ProblemsSolved = 0;
406: my $TotalProblems = 0;
407: my $StudentCount = 0;
408:
409: foreach my $name (@$students) {
410: $StudentCount++;
411: foreach my $sequence (@$sequenceKeys) {
1.23 ! minaeibi 412: $Correct{$sequence} +=
! 413: $cache->{$name.':'.$sequence.':problemsCorrect'};
1.17 minaeibi 414: }
1.21 minaeibi 415: $ProblemsSolved += $cache->{$name.':problemsSolved'};
416: $TotalProblems += $cache->{$name.':totalProblems'};
1.1 stredwic 417: }
1.21 minaeibi 418: $ProblemsSolved /= $StudentCount;
419: $TotalProblems /= $StudentCount;
420:
1.23 ! minaeibi 421: $Str .= '<table border=2 cellspacing="5">'."\n";
! 422: $Str .= '<tr><td><b>Students Count</b></td><td><b>'.
! 423: $StudentCount.'</b></td></tr>'."\n";
! 424: $Str .= '<tr><td><b>Total Problems</b></td><td><b>'.
! 425: $TotalProblems.'</b></td></tr>'."\n";
! 426: $Str .= '<tr><td><b>Average Correct</b></td><td><b>'.
! 427: $ProblemsSolved.'</b></td></tr>'."\n";
! 428: $Str .= '</table>'."\n";
! 429:
! 430: $Str .= '<table border=2 cellspacing="5">'."\n";
! 431: $Str .= '<tr><th>Title</th><th>Total Problems</th>'.
! 432: '<th>Average Correct</th></tr>'."\n";
! 433: foreach my $S(@$sequenceKeys) {
! 434: my $title=$cache->{$S.':title'};
! 435: #$Str .= $cache->{$S.':problems'};
! 436: #my @problems=split(':', $cache->{$S.':problems'});
! 437: #my $pCount=scalar @problems;
! 438: my $pCount=MaxSeqPr($cache,@$students[0],$S);
! 439: my $crr=sprintf( "%.2f", $Correct{$S}/$StudentCount );
! 440: $Str .= '<tr><td>'.$title.
! 441: '</td><td align=center>'.$pCount.
! 442: '</td><td align=center>'.$crr.
! 443: '</td></tr>'."\n";
1.10 stredwic 444: }
1.1 stredwic 445:
1.23 ! minaeibi 446: $Str .= '</table>'."\n";
! 447:
1.1 stredwic 448: return $Str;
449: }
1.23 ! minaeibi 450:
! 451:
! 452:
! 453: sub MaxSeqPr {
! 454: my ($cache, $name, $sequence)=@_;
! 455: my $prCount=0;
! 456: foreach my $problemID (split(':', $cache->{$sequence.':problems'})) {
! 457: my $problem = $cache->{$problemID.':problem'};
! 458: foreach(split(/\:/,$cache->{$sequence.':'.$problemID.':parts'})) {
! 459: if($cache->{$name.':'.$problemID.':NoVersion'} eq 'true' ||
! 460: $cache->{$name.':'.$problemID.':'.$_.':code'} eq ' ' ||
! 461: $cache->{$name.':'.$problemID.':'.$_.':code'} eq '') {
! 462: $prCount++;
! 463: next;
! 464: }
! 465: $prCount++;
! 466: }
! 467: }
! 468: return $prCount;
! 469: }
! 470:
! 471:
1.1 stredwic 472:
1.17 minaeibi 473:
474:
1.2 stredwic 475: =pod
476:
477: =item &CreateLegend()
478:
479: This function returns a formatted string containing the legend for the
480: chart. The legend describes the symbols used to represent grades for
481: problems.
482:
483: =cut
484:
485: sub CreateLegend {
486: my $Str = "<p><pre>".
1.13 minaeibi 487: " 1 correct by student in 1 try\n".
488: " 7 correct by student in 7 tries\n".
1.12 minaeibi 489: " * correct by student in more than 9 tries\n".
1.20 minaeibi 490: " + correct by hand grading or override\n".
1.12 minaeibi 491: " - incorrect by override\n".
492: " . incorrect attempted\n".
493: " # ungraded attempted\n".
1.13 minaeibi 494: " not attempted (blank field)\n".
1.12 minaeibi 495: " x excused".
1.17 minaeibi 496: "</pre><p>";
1.2 stredwic 497: return $Str;
498: }
499:
500: =pod
501:
502: =item &CreateColumnSelectionBox()
503:
504: If there are columns not being displayed then this selection box is created
1.17 minaeibi 505: with a list of those columns. When selections are made and the page
1.2 stredwic 506: refreshed, the columns will be removed from this box and the column is
507: put back in the chart. If there is no columns to select, no row is added
508: to the interface table.
509:
510: =over 4
511: Input: $CacheData, $headings
512:
513:
514: $CacheData: A pointer to a hash tied to the cached data
515:
1.17 minaeibi 516: $headings: An array of the names of the columns for the student information.
1.2 stredwic 517: They are used for displaying which columns are missing.
518:
519: Output: $notThere
520:
1.17 minaeibi 521: $notThere: The string contains one row of a table. The first column has the
522: name of the selection box. The second contains the selection box
1.2 stredwic 523: which has a size of four.
524:
525: =back
526:
527: =cut
528:
529: sub CreateColumnSelectionBox {
1.4 stredwic 530: my ($doNotShow)=@_;
1.2 stredwic 531:
1.4 stredwic 532: my $notThere = '';
533: $notThere .= '<select name="ReselectColumns" size="4" ';
534: $notThere .= 'multiple="true">'."\n";
535:
536: for(my $index=0; $index<$doNotShow->{'count'}; $index++) {
537: my $name = $doNotShow->{$index.':name'};
538: $notThere .= '<option value="';
539: $notThere .= $doNotShow->{$index.':id'}.'">';
1.2 stredwic 540: $notThere .= $name.'</option>'."\n";
541: }
542:
1.4 stredwic 543: $notThere .= '</select>';
1.2 stredwic 544:
1.4 stredwic 545: return $notThere;
1.2 stredwic 546: }
547:
548: =pod
549:
550: =item &CreateColumnSelectors()
551:
1.17 minaeibi 552: This function generates the checkboxes above the column headings. The
1.2 stredwic 553: column will be removed if the checkbox is unchecked.
554:
555: =over 4
556:
557: Input: $CacheData, $headings
558:
559: $CacheData: A pointer to a hash tied to the cached data
560:
561: $headings: An array of the names of the columns for the student
562: information. They are used to know what are the student information columns
563:
564: Output: $present
565:
566: $present: The string contains the first row of a table. Each column contains
567: a checkbox which is left justified. Currently left justification is used
568: for consistency of location over the column in which it presides.
569:
570: =back
571:
572: =cut
573:
574: sub CreateColumnSelectors {
1.4 stredwic 575: my ($infoHeadings, $sequenceHeadings, $sequenceKeys)=@_;
1.2 stredwic 576:
1.4 stredwic 577: my $present = '';
578: for(my $index=0; $index<(scalar @$infoHeadings); $index++) {
1.2 stredwic 579: $present .= '<td align="left">';
580: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 581: $present .= 'name="HeadingColumn'.$infoHeadings->[$index].'" />';
582: $present .= '</td>'."\n";
1.2 stredwic 583: }
584:
1.4 stredwic 585: for(my $index=0; $index<(scalar @$sequenceHeadings); $index++) {
1.2 stredwic 586: $present .= '<td align="left">';
587: $present .= '<input type="checkbox" checked="on" ';
1.4 stredwic 588: $present .= 'name="SequenceColumn'.$sequenceKeys->[$index].'" />';
589: $present .= '</td>'."\n";
1.2 stredwic 590: }
591:
1.4 stredwic 592: return $present;
1.2 stredwic 593: }
594:
1.1 stredwic 595: #---- END Student Assessment Web Page ----------------------------------------
1.2 stredwic 596:
597: #---- Student Assessment Worker Functions ------------------------------------
598:
599: sub FindSelectedStudent {
600: my($cache, $selectedName, $students)=@_;
1.3 stredwic 601:
1.17 minaeibi 602: if($selectedName eq 'All Students' ||
1.3 stredwic 603: $selectedName eq 'No Student Selected') {
604: return $selectedName;
605: }
606:
607: for(my $index=0; $index<(scalar @$students); $index++) {
1.2 stredwic 608: my $fullname = $cache->{$students->[$index].':fullname'};
609: if($fullname eq $selectedName) {
610: if($cache->{'StudentAssessmentMove'} eq 'next') {
611: if($index == ((scalar @$students) - 1)) {
612: $selectedName = $students->[0];
1.3 stredwic 613: return $selectedName;
1.2 stredwic 614: } else {
615: $selectedName = $students->[$index+1];
1.3 stredwic 616: return $selectedName;
1.2 stredwic 617: }
618: } elsif($cache->{'StudentAssessmentMove'} eq 'previous') {
619: if($index == 0) {
620: $selectedName = $students->[-1];
1.3 stredwic 621: return $selectedName;
1.2 stredwic 622: } else {
623: $selectedName = $students->[$index-1];
1.3 stredwic 624: return $selectedName;
1.2 stredwic 625: }
626: } else {
627: $selectedName = $students->[$index];
1.3 stredwic 628: return $selectedName;
1.2 stredwic 629: }
630: last;
631: }
632: }
633:
1.3 stredwic 634: return 'No Student Selected';
1.2 stredwic 635: }
636:
637: =pod
638:
639: =item &ShouldShowColumn()
640:
641: Determine if a specified column should be shown on the chart.
642:
643: =over 4
644:
645: Input: $cache, $test
646:
647: $cache: A pointer to the hash tied to the cached data
648:
649: $test: The form name of the column (heading.$headingIndex) or
650: (sequence.$sequenceIndex)
651:
652: Output: 0 (false), 1 (true)
653:
654: =back
655:
656: =cut
657:
658: sub ShouldShowColumns {
659: my ($cache,$headings,$cacheKey)=@_;
660:
661: my @infoKeys=();
662: my @infoHeadings=();
663:
664: my @sequenceKeys=();
665: my @sequenceHeadings=();
666:
1.4 stredwic 667: my %doNotShow;
668:
1.2 stredwic 669: my $index;
1.4 stredwic 670: my $count = 0;
671: my $check = '';
1.2 stredwic 672: for($index=0; $index < scalar @$headings; $index++) {
1.4 stredwic 673: $check = 'HeadingColumn'.$headings->[$index];
674: if($cache->{'HeadingsFound'} =~ /$check/) {
675: push(@infoHeadings, $headings->[$index]);
676: push(@infoKeys, $cacheKey->[$index]);
677: } else {
678: $doNotShow{$count.':name'} = $headings->[$index];
679: $doNotShow{$count.':id'} = 'HeadingColumn'.$headings->[$index];
680: $count++;
681: }
1.2 stredwic 682: }
683:
684: foreach my $sequence (split(/\:/,$cache->{'orderedSequences'})) {
1.4 stredwic 685: $check = 'SequenceColumn'.$sequence;
1.21 minaeibi 686: if($cache->{'SequencesFound'} eq 'All Sequences' ||
1.4 stredwic 687: $cache->{'SequencesFound'} =~ /$check/) {
688: push(@sequenceHeadings, $cache->{$sequence.':title'});
689: push(@sequenceKeys, $sequence);
690: } else {
691: $doNotShow{$count.':name'} = $cache->{$sequence.':title'};
692: $doNotShow{$count.':id'} = 'SequenceColumn'.$sequence;
693: $count++;
694: }
1.2 stredwic 695: }
696:
1.4 stredwic 697: $doNotShow{'count'} = $count;
1.2 stredwic 698:
1.21 minaeibi 699: return (\@infoHeadings, \@infoKeys, \@sequenceHeadings,
1.4 stredwic 700: \@sequenceKeys, \%doNotShow);
1.2 stredwic 701: }
702:
703: #---- END Student Assessment Worker Functions --------------------------------
704:
1.1 stredwic 705: 1;
706: __END__
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