Annotation of loncom/homework/inputtags.pm, revision 1.82
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.82 ! www 4: # $Id: inputtags.pm,v 1.81 2003/01/24 22:02:45 www Exp $
1.47 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.43 albertel 28: # 2/19 Guy
1.1 albertel 29:
30: package Apache::inputtags;
1.55 albertel 31: use HTML::Entities();
1.1 albertel 32: use strict;
1.82 ! www 33: use Apache::loncommon;
1.1 albertel 34:
1.50 harris41 35: BEGIN {
1.65 bowersj2 36: &Apache::lonxml::register('Apache::inputtags',('textfield','textline'));
1.1 albertel 37: }
38:
1.43 albertel 39:
1.1 albertel 40: sub initialize_inputtags {
1.43 albertel 41: # list of current input ids
42: @Apache::inputtags::input=();
43: # list of all input ids seen in this problem
44: @Apache::inputtags::inputlist=();
45: # list of all current response ids
46: @Apache::inputtags::response=();
47: # list of all response ids seen in this problem
48: @Apache::inputtags::responselist=();
49: # list of whether or not a specific response was previously used
50: @Apache::inputtags::previous=();
1.75 albertel 51: # submission it was used in
52: @Apache::inputtags::previous_version=();
1.43 albertel 53: # id of current part, 0 means that no part is current (inside <problem> only
54: $Apache::inputtags::part='';
1.46 albertel 55: # list of problem date statuses, the first element is for <problem>
56: # if there is a second element it is for the current <part>
1.43 albertel 57: @Apache::inputtags::status=();
1.46 albertel 58: # hash of defined params for the current response
1.43 albertel 59: %Apache::inputtags::params=();
1.46 albertel 60: # list of all ids, for <import>, these get join()ed and prepended
61: @Apache::inputtags::import=();
1.1 albertel 62: }
63:
1.14 albertel 64: sub start_input {
1.43 albertel 65: my ($parstack,$safeeval)=@_;
66: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
67: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
68: push (@Apache::inputtags::input,$id);
69: push (@Apache::inputtags::inputlist,$id);
70: return $id;
1.14 albertel 71: }
72:
73: sub end_input {
1.43 albertel 74: pop @Apache::inputtags::input;
75: return '';
1.14 albertel 76: }
77:
1.48 albertel 78: sub start_textfield {
1.43 albertel 79: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
80: my $result = "";
81: my $id = &start_input($parstack,$safeeval);
1.55 albertel 82: my $resid=$Apache::inputtags::response[-1];
1.43 albertel 83: if ($target eq 'web') {
1.57 albertel 84: $Apache::lonxml::evaluate--;
1.45 albertel 85: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 86: my $partid=$Apache::inputtags::part;
87: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
88: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
89: if ( $cols eq '') { $cols = 80; }
90: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
91: if ( $rows eq '') { $rows = 10; }
92: $result= '<textarea name="HWVAL'.$resid.'" '.
93: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
94: if ($oldresponse ne '') {
95: #get rid of any startup text if the user has already responded
96: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
97: }
1.45 albertel 98: } else {
1.61 albertel 99: #right or wrong don't show it
100: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
101: $result='';
102: #get rid of any startup text
103: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.51 albertel 104: }
1.60 albertel 105: } elsif ($target eq 'grade') {
1.51 albertel 106: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.55 albertel 107: if ($seedtext eq $ENV{'form.HWVAL'.$resid}) {
1.51 albertel 108: # if the seed text is still there it wasn't a real submission
1.55 albertel 109: $ENV{'form.HWVAL'.$resid}='';
1.30 albertel 110: }
1.60 albertel 111: } elsif ($target eq 'edit') {
112: $result.=&Apache::edit::tag_start($target,$token);
113: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
114: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
115: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.62 albertel 116: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
1.60 albertel 117: } elsif ($target eq 'modified') {
118: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
119: $safeeval,'rows','cols');
120: if ($constructtag) {
121: $result = &Apache::edit::rebuild_tag($token);
122: } else {
123: $result=$token->[4];
124: }
125: $result.=&Apache::edit::modifiedfield();
1.78 sakharuk 126: } elsif ($target eq 'tex') {
127: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
128: my $number_of_lines= &Apache::lonxml::get_param('rows',$parstack,$safeeval);
129: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
130: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
131: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
132: }
1.43 albertel 133: }
134: return $result;
1.6 albertel 135: }
136:
1.48 albertel 137: sub end_textfield {
1.43 albertel 138: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.60 albertel 139: my $result;
1.43 albertel 140: if ($target eq 'web') {
1.57 albertel 141: $Apache::lonxml::evaluate++;
1.45 albertel 142: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
143: return "</textarea>";
144: }
1.60 albertel 145: } elsif ($target eq 'edit') {
146: $result=&Apache::edit::end_table();
1.45 albertel 147: }
1.43 albertel 148: &end_input;
1.60 albertel 149: return $result;
1.6 albertel 150: }
151:
1.1 albertel 152: sub start_textline {
1.43 albertel 153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
154: my $result = "";
155: if ($target eq 'web') {
1.57 albertel 156: $Apache::lonxml::evaluate--;
1.45 albertel 157: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 158: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
1.72 albertel 159: my $maxlength;
160: if ($size eq '') { $size=20; } else {
161: if ($size < 20) { $maxlength=$size; }
162: }
1.61 albertel 163: my $partid=$Apache::inputtags::part;
164: my $id=$Apache::inputtags::response[-1];
165: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
1.73 sakharuk 166: if ($Apache::lonhomework::type ne 'exam') {
167: $result= '<input type="text" name="HWVAL'.$id.'" value="'.
168: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
169: }
1.45 albertel 170: } else {
1.61 albertel 171: #right or wrong don't show what was last typed in.
172: #$result='<i>'.$oldresponse.'</i>';
173: $result='';
1.45 albertel 174: }
1.44 albertel 175: } elsif ($target eq 'edit') {
1.49 matthew 176: $result=&Apache::edit::tag_start($target,$token);
1.43 albertel 177: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
178: $result.=&Apache::edit::end_table;
1.44 albertel 179: } elsif ($target eq 'modified') {
1.43 albertel 180: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
181: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.78 sakharuk 182: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.76 sakharuk 183: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
184: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
185: $result='\framebox['.$size.'][s]{\tiny\strut}';
1.43 albertel 186: }
187: return $result;
1.1 albertel 188: }
189:
190: sub end_textline {
1.43 albertel 191: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.57 albertel 192: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
193: elsif ($target eq 'edit') { return ('','no'); }
1.43 albertel 194: return "";
1.9 albertel 195: }
196:
197: sub finalizeawards {
1.43 albertel 198: my $result='';
199: my $award;
200: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
201: if ($result eq '' ) {
1.54 albertel 202: my $blankcount;
203: foreach $award (@_) {
204: if ($award eq '') {
205: $result='MISSING_ANSWER';
206: $blankcount++;
207: }
208: }
209: if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
1.56 albertel 210: }
211: if ($result eq '' ) {
212: foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
1.43 albertel 213: }
214: if ($result eq '' ) {
215: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
216: }
217: if ($result eq '' ) {
218: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
219: }
220:
221: if ($result eq '' ) {
222: foreach $award (@_) {
223: if ($award eq 'UNIT_FAIL' ||
224: $award eq 'NO_UNIT' ||
225: $award eq 'UNIT_NOTNEEDED') {
226: $result=$award; last;
227: }
228: }
229: }
230: if ($result eq '' ) {
231: foreach $award (@_) {
232: if ($award eq 'WANTED_NUMERIC' ||
233: $award eq 'BAD_FORMULA') {$result=$award; last;}
234: }
235: }
236: if ($result eq '' ) {
237: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
238: }
239: if ($result eq '' ) {
240: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
241: }
242: if ($result eq '' ) {
1.79 albertel 243: foreach $award (@_) { if ($award eq 'MISORDERED_RANK') {$result=$award; last;} }
244: }
245: if ($result eq '' ) {
1.80 www 246: foreach $award (@_) { if ($award eq 'INVALID_FILETYPE') {$result=$award; last;} }
247: }
248: if ($result eq '' ) {
1.59 ng 249: foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
250: }
251: if ($result eq '' ) {
1.43 albertel 252: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
253: }
254: if ($result eq '' ) {
255: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
256: }
257: if ($result eq '' ) { $result='EXACT_ANS'; }
258: return $result
1.9 albertel 259: }
260:
1.10 albertel 261: sub decideoutput {
1.68 sakharuk 262: my ($award,$solved,$previous,$target)=@_;
1.43 albertel 263: my $message='';
264: my $button=0;
265: my $previousmsg;
266:
267: if ($previous) { $previousmsg='You have entered that answer before'; }
268:
269: if ($solved =~ /^correct/) {
1.68 sakharuk 270: if ($target eq 'tex') {
271: $message = '\textbf{You are correct}. Your receipt is '.
1.43 albertel 272: &Apache::lonnet::receipt;
1.68 sakharuk 273: } else {
274: $message = "<b>You are correct.</b> Your receipt is ".
275: &Apache::lonnet::receipt;
276: }
1.43 albertel 277: $button=0;
278: $previousmsg='';
279: } elsif ($solved =~ /^excused/) {
280: $message = "<b>You are excused from the problem.</b>";
281: $button=0;
282: $previousmsg='';
283: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
284: if ($solved =~ /^incorrect/ || $solved eq '') {
285: $message = "Incorrect";
286: $button=1;
1.37 albertel 287: } else {
1.43 albertel 288: $message = "<b>You are correct.</b> Your receipt is ".
289: &Apache::lonnet::receipt;
290: $button=0;
291: $previousmsg='';
292: }
293: } elsif ($award eq 'NO_RESPONSE') {
294: $message = '';
295: $button=1;
296: } elsif ($award eq 'MISSING_ANSWER') {
297: $message = 'Some parts were not submitted';
298: $button = 1;
299: } elsif ($award eq 'WANTED_NUMERIC') {
300: $message = "This question expects a numeric answer";
1.79 albertel 301: $button=1;
302: } elsif ($award eq 'MISORDERED_RANK') {
1.81 www 303: $message = 'You have provided an invalid ranking, please refer to '.
304: &Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
1.80 www 305: $button=1;
306: } elsif ($award eq 'INVALID_FILETYPE') {
307: $message = 'The filetype extension of the file you uploaded is not allowed.';
1.43 albertel 308: $button=1;
309: } elsif ($award eq 'SIG_FAIL') {
310: $message = "Please adjust significant figures.";# you provided %s significant figures";
311: $button=1;
312: } elsif ($award eq 'UNIT_FAIL') {
1.82 ! www 313: $message = "Units incorrect. ".
! 314: &Apache::loncommon::help_open_topic('Physical_Units'); #Computer reads units as %s";
1.43 albertel 315: $button=1;
316: } elsif ($award eq 'UNIT_NOTNEEDED') {
317: $message = "Only a number required.";# Computer reads units of %s";
318: $button=1;
319: } elsif ($award eq 'NO_UNIT') {
1.82 ! www 320: $message = "Units required".
! 321: &Apache::loncommon::help_open_topic('Physical_Units');
1.43 albertel 322: $button=1;
323: } elsif ($award eq 'BAD_FORMULA') {
324: $message = "Unable to understand formula";
325: $button=1;
326: } elsif ($award eq 'INCORRECT') {
327: $message = "Incorrect";
328: $button=1;
329: } elsif ($award eq 'SUBMITTED') {
330: $message = "Your submission has been recorded.";
331: $button=1;
1.59 ng 332: } elsif ($award eq 'DRAFT') {
333: $message = "A draft copy has been saved.";
334: $button=1;
1.43 albertel 335: } else {
336: $message = "Unknown message: $award";
337: $button=1;
338: }
339: return ($button,$message,$previousmsg);
1.12 albertel 340: }
341:
342: sub setgradedata {
1.43 albertel 343: my ($award,$id,$previously_used) = @_;
344: # if the student already has it correct, don't modify the status
1.71 albertel 345: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
346: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1.53 albertel 347: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
348: return '';
349: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.43 albertel 350: /^correct/ ) {
351: #handle assignment of tries and solved status
1.53 albertel 352: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
353: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
354: }
1.43 albertel 355: if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
356: $Apache::lonhomework::results{"resource.$id.tries"} =
357: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
358: $Apache::lonhomework::results{"resource.$id.solved"} =
359: 'correct_by_student';
360: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
361: } elsif ( $award eq 'INCORRECT' ) {
362: $Apache::lonhomework::results{"resource.$id.tries"} =
363: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
364: $Apache::lonhomework::results{"resource.$id.solved"} =
1.59 ng 365: 'incorrect_attempted'
1.43 albertel 366: } elsif ( $award eq 'SUBMITTED' ) {
367: $Apache::lonhomework::results{"resource.$id.tries"} =
368: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
369: $Apache::lonhomework::results{"resource.$id.solved"} =
370: 'ungraded_attempted';
1.59 ng 371: } elsif ( $award eq 'DRAFT' ) {
372: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1.43 albertel 373: } elsif ( $award eq 'NO_RESPONSE' ) {
374: return '';
375: } else {
376: $Apache::lonhomework::results{"resource.$id.solved"} =
377: 'incorrect_attempted';
378: }
379:
380: # check if this was a previous submission if it was delete the
381: # unneeded data and update the previously_used attribute
382: if ( $previously_used eq 'PREVIOUSLY_USED') {
383: delete($Apache::lonhomework::results{"resource.$id.tries"});
384: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
385: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1.58 ng 386: #delete all data as they student didn't do anything, but save
387: #the list of collaborators.
1.43 albertel 388: foreach my $key (keys(%Apache::lonhomework::results)) {
1.58 ng 389: if (($key =~ /^resource\.$id\./) && ($key !~ /\.collaborators$/)) {
1.43 albertel 390: &Apache::lonxml::debug("Removing $key");
1.63 sakharuk 391: delete($Apache::lonhomework::results{$key});
1.43 albertel 392: }
393: }
394: #and since they didn't do anything we were never here
395: return '';
396: } else {
397: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1.40 albertel 398: }
1.43 albertel 399: }
400: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10 albertel 401: }
402:
1.9 albertel 403: sub grade {
1.43 albertel 404: my ($target) = @_;
405: my $id = $Apache::inputtags::part;
406: my $response='';
407: if ( defined $ENV{'form.submitted'}) {
408: my @awards = ();
409: foreach $response (@Apache::inputtags::responselist) {
410: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
411: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1.54 albertel 412: &Apache::lonxml::debug("keeping $value from $response for $id");
413: push (@awards,$value);
1.43 albertel 414: }
415: my $finalaward = &finalizeawards(@awards);
416: my $previously_used;
417: if ( $#Apache::inputtags::previous eq $#awards ) {
1.75 albertel 418: my $match=0;
419: my @matches;
420: foreach my $versionar (@Apache::inputtags::previous_version) {
421: foreach my $version (@$versionar) {
422: $matches[$version]++;
423: }
424: }
425: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
426: if ($match) {
427: $previously_used = 'PREVIOUSLY_LAST';
428: foreach my $value (@Apache::inputtags::previous) {
429: if ($value eq 'PREVIOUSLY_USED' ) {
430: $previously_used = $value;
431: last;
432: }
433: }
1.43 albertel 434: }
435: }
436: &Apache::lonxml::debug("final award $finalaward, $previously_used");
437: &setgradedata($finalaward,$id,$previously_used);
438: }
439: return '';
1.1 albertel 440: }
441:
1.11 albertel 442: sub gradestatus {
1.63 sakharuk 443: my ($id,$target) = @_;
1.43 albertel 444: my $showbutton = 1;
445: my $message = '';
1.53 albertel 446: my $latemessage = '';
1.43 albertel 447: my $trystr='';
448: my $button='';
449: my $previousmsg='';
450:
451: my $status = $Apache::inputtags::status['-1'];
452: &Apache::lonxml::debug("gradestatus has :$status:");
1.77 albertel 453: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {
1.43 albertel 454: my $award = $Apache::lonhomework::history{"resource.$id.award"};
455: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
456: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
457: &Apache::lonxml::debug("Found Award |$award|$solved|");
458: if ( $award ne '' ) {
459: &Apache::lonxml::debug('Getting message');
460: ($showbutton,$message,$previousmsg) =
1.68 sakharuk 461: &decideoutput($award,$solved,$previous,$target);
1.63 sakharuk 462: if ($target eq 'tex') {
463: $message=' '.$message.' ';
464: } else {
465: $message="<td bgcolor=\"#aaffaa\">$message</td>";
466: if ($previousmsg) {
467: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
468: }
1.43 albertel 469: }
470: }
471: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
472: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
473: &Apache::lonxml::debug("got maxtries of :$maxtries:");
474: if ( $tries eq '' ) { $tries = '0'; }
475: if ( $maxtries eq '' ) { $maxtries = '2'; }
476: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
477: if ( $showbutton ) {
1.63 sakharuk 478: if ($target eq 'tex') {
1.69 sakharuk 479: if ($ENV{'request.state'} ne "construct") {
1.70 sakharuk 480: $trystr = ' {\small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 0 mm ';
1.67 sakharuk 481: }
1.63 sakharuk 482: } else {
483: $trystr = "<td>Tries $tries/$maxtries</td>";
484: }
1.43 albertel 485: }
486: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
487: if ( $showbutton ) {
1.63 sakharuk 488: if ($target ne 'tex') {
489: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
490: }
1.43 albertel 491: }
1.53 albertel 492: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
493: #last submissions was after due date
1.63 sakharuk 494: if ($target eq 'tex') {
495: $latemessage=' The last submission was after the Due Date ';
496: } else {
497: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
498: }
1.53 albertel 499: }
1.43 albertel 500: }
1.53 albertel 501: my $output= $previousmsg.$latemessage.$message.$trystr;
1.43 albertel 502: if ($output =~ /^\s*$/) {
503: return $button;
504: } else {
1.63 sakharuk 505: if ($target eq 'tex') {
506: return $button.' \vskip 0 mm '.$output.' ';
507: } else {
508: return $button.'<table><tr>'.$output.'</tr></table>';
509: }
1.43 albertel 510: }
1.11 albertel 511: }
1.1 albertel 512: 1;
513: __END__
1.43 albertel 514:
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