Annotation of loncom/homework/inputtags.pm, revision 1.90

1.43      albertel    1: # The LearningOnline Network with CAPA
                      2: # input  definitons
1.47      albertel    3: #
1.90    ! sakharuk    4: # $Id: inputtags.pm,v 1.89 2003/04/08 02:37:58 albertel 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; }
1.89      albertel   92: 	$result= '<textarea name="HWVAL_'.$resid.'" '.
1.61      albertel   93: 	    "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
                     94: 	if ($oldresponse ne '') {
                     95: 	    #get rid of any startup text if the user has already responded
1.84      albertel   96: 	    &Apache::lonxml::get_all_text("/textfield",$parser);
1.61      albertel   97: 	}
1.45      albertel   98:     } else {
1.61      albertel   99: 	#right or wrong don't show it
                    100: 	#$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
                    101: 	$result='';
                    102: 	#get rid of any startup text
1.84      albertel  103: 	&Apache::lonxml::get_all_text("/textfield",$parser);
1.51      albertel  104:     }
1.60      albertel  105:   } elsif ($target eq 'grade') {
1.84      albertel  106:     my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser);
1.89      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
1.89      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);
1.84      albertel  115:     my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
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') {
1.89      albertel  167:         $result= '<input type="text" name="HWVAL_'.$id.'" value="'.
1.73      sakharuk  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: 
1.90    ! sakharuk  267:  if (lc $Apache::lonhomework::problemstatus eq 'yes') {
        !           268: 
1.43      albertel  269:   if ($previous) { $previousmsg='You have entered that answer before'; }
                    270: 
                    271:   if      ($solved =~ /^correct/) {
1.68      sakharuk  272:     if ($target eq 'tex') {
                    273:       $message = '\textbf{You are correct}. Your receipt is '.
1.43      albertel  274:       &Apache::lonnet::receipt;
1.68      sakharuk  275:     } else {
                    276:       $message = "<b>You are correct.</b> Your receipt is ".
                    277:       &Apache::lonnet::receipt;
                    278:     }
1.43      albertel  279:     $button=0;
                    280:     $previousmsg='';
                    281:   } elsif ($solved =~ /^excused/) {
                    282:     $message = "<b>You are excused from the problem.</b>";
                    283:     $button=0;
                    284:     $previousmsg='';
                    285:   } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
                    286:     if ($solved =~ /^incorrect/ || $solved eq '') {
                    287:       $message = "Incorrect";
                    288:       $button=1;
1.37      albertel  289:     } else {
1.43      albertel  290:       $message = "<b>You are correct.</b> Your receipt is ".
                    291: 	&Apache::lonnet::receipt;
                    292:       $button=0;
                    293:       $previousmsg='';
                    294:     }
                    295:   } elsif ($award eq 'NO_RESPONSE') {
                    296:     $message = '';
                    297:     $button=1;
                    298:   } elsif ($award eq 'MISSING_ANSWER') {
                    299:     $message = 'Some parts were not submitted';
                    300:     $button = 1;
                    301:   } elsif ($award eq 'WANTED_NUMERIC') {
                    302:     $message = "This question expects a numeric answer";
1.79      albertel  303:     $button=1;
                    304:   } elsif ($award eq 'MISORDERED_RANK') {
1.81      www       305:     $message = 'You have provided an invalid ranking, please refer to '.
                    306:      &Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
1.80      www       307:     $button=1;
                    308:   } elsif ($award eq 'INVALID_FILETYPE') {
                    309:     $message = 'The filetype extension of the file you uploaded is not allowed.';
1.43      albertel  310:     $button=1;
                    311:   } elsif ($award eq 'SIG_FAIL') {
                    312:     $message = "Please adjust significant figures.";# you provided %s significant figures";
                    313:     $button=1;
                    314:   } elsif ($award eq 'UNIT_FAIL') {
1.82      www       315:     $message = "Units incorrect. ".
                    316:        &Apache::loncommon::help_open_topic('Physical_Units'); #Computer reads units as %s";
1.43      albertel  317:     $button=1;
                    318:   } elsif ($award eq 'UNIT_NOTNEEDED') {
                    319:     $message = "Only a number required.";# Computer reads units of %s";
                    320:     $button=1;
                    321:   } elsif ($award eq 'NO_UNIT') {
1.82      www       322:     $message = "Units required".
                    323:        &Apache::loncommon::help_open_topic('Physical_Units');
1.43      albertel  324:     $button=1;
                    325:   } elsif ($award eq 'BAD_FORMULA') {
                    326:     $message = "Unable to understand formula";
                    327:     $button=1;
                    328:   } elsif ($award eq 'INCORRECT') {
                    329:     $message = "Incorrect";
                    330:     $button=1;
                    331:   } elsif ($award eq 'SUBMITTED') {
                    332:     $message = "Your submission has been recorded.";
                    333:     $button=1;
1.59      ng        334:   } elsif ($award eq 'DRAFT') {
                    335:     $message = "A draft copy has been saved.";
                    336:     $button=1;
1.43      albertel  337:   } else {
                    338:     $message = "Unknown message: $award";
                    339:     $button=1;
                    340:   }
1.90    ! sakharuk  341:  } elsif ($Apache::lonhomework::type eq 'exam') {
        !           342:      $message = "Answer Submitted";
        !           343:      $button=1;
        !           344:  }
1.43      albertel  345:   return ($button,$message,$previousmsg);
1.12      albertel  346: }
                    347: 
1.88      albertel  348: sub removealldata {
1.87      albertel  349:     my ($id)=@_;
                    350:     foreach my $key (keys(%Apache::lonhomework::results)) {
                    351: 	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
                    352: 	    &Apache::lonxml::debug("Removing $key");
                    353: 	    delete($Apache::lonhomework::results{$key});
                    354: 	}
                    355:     }
                    356: }
                    357: 
1.12      albertel  358: sub setgradedata {
1.43      albertel  359:   my ($award,$id,$previously_used) = @_;
                    360:   # if the student already has it correct, don't modify the status
1.71      albertel  361:   if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
                    362:       $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1.53      albertel  363:     $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
                    364:     return '';
                    365:   } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.43      albertel  366:        /^correct/ ) {
                    367:     #handle assignment of tries and solved status
1.53      albertel  368:     if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                    369:       $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
                    370:     }
1.43      albertel  371:     if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
                    372:       $Apache::lonhomework::results{"resource.$id.tries"} =
                    373: 	$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    374:       $Apache::lonhomework::results{"resource.$id.solved"} =
                    375: 	'correct_by_student';
                    376:       $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
                    377:     } elsif ( $award eq 'INCORRECT' ) {
                    378:       $Apache::lonhomework::results{"resource.$id.tries"} =
                    379: 	$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    380:       $Apache::lonhomework::results{"resource.$id.solved"} =
1.59      ng        381: 	'incorrect_attempted'
1.43      albertel  382:     } elsif ( $award eq 'SUBMITTED' ) {
                    383:       $Apache::lonhomework::results{"resource.$id.tries"} =
                    384: 	$Apache::lonhomework::history{"resource.$id.tries"} + 1;
                    385:       $Apache::lonhomework::results{"resource.$id.solved"} =
                    386: 	'ungraded_attempted';
1.59      ng        387:     } elsif ( $award eq 'DRAFT' ) {
                    388:       $Apache::lonhomework::results{"resource.$id.solved"} = '';
1.43      albertel  389:     } elsif ( $award eq 'NO_RESPONSE' ) {
1.87      albertel  390: 	#no real response so delete any data that got stored
                    391: 	&removealldata($id);
                    392: 	return '';
1.43      albertel  393:     } else {
                    394:       $Apache::lonhomework::results{"resource.$id.solved"} =
                    395: 	'incorrect_attempted';
                    396:     }
                    397: 
                    398:     # check if this was a previous submission if it was delete the
                    399:     # unneeded data and update the previously_used attribute
                    400:     if ( $previously_used eq 'PREVIOUSLY_USED') {
                    401:       delete($Apache::lonhomework::results{"resource.$id.tries"});
                    402:       $Apache::lonhomework::results{"resource.$id.previous"} = '1';
                    403:     } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1.58      ng        404:       #delete all data as they student didn't do anything, but save
                    405:       #the list of collaborators.
1.87      albertel  406:       &removealldata($id);
1.43      albertel  407:       #and since they didn't do anything we were never here
                    408:       return '';
                    409:     } else {
                    410:       $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1.40      albertel  411:     }
1.85      albertel  412:   } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
                    413: 	    /^correct/ ) {
                    414:       #delete all data as they student already has it correct
1.87      albertel  415:       &removealldata($id);
1.85      albertel  416:       #and since they didn't do anything we were never here
                    417:       return '';
1.43      albertel  418:   }
                    419:   $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10      albertel  420: }
                    421: 
1.9       albertel  422: sub grade {
1.43      albertel  423:   my ($target) = @_;
                    424:   my $id = $Apache::inputtags::part;
                    425:   my $response='';
                    426:   if ( defined $ENV{'form.submitted'}) {
                    427:     my @awards = ();
                    428:     foreach $response (@Apache::inputtags::responselist) {
                    429:       &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
                    430:       my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1.54      albertel  431:       &Apache::lonxml::debug("keeping $value from $response for $id");
                    432:       push (@awards,$value);
1.43      albertel  433:     }
                    434:     my $finalaward = &finalizeawards(@awards);
                    435:     my $previously_used;
                    436:     if ( $#Apache::inputtags::previous eq $#awards ) {
1.75      albertel  437: 	my $match=0;
                    438: 	my @matches;
                    439: 	foreach my $versionar (@Apache::inputtags::previous_version) {
                    440: 	    foreach my $version (@$versionar) {
                    441: 		$matches[$version]++;
                    442: 	    }
                    443: 	}
                    444: 	foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
                    445: 	if ($match) {
                    446: 	    $previously_used = 'PREVIOUSLY_LAST';
                    447: 	    foreach my $value (@Apache::inputtags::previous) {
                    448: 		if ($value eq 'PREVIOUSLY_USED' ) {
                    449: 		    $previously_used = $value;
                    450: 		    last;
                    451: 		}
                    452: 	    }
1.43      albertel  453: 	}
                    454:     }
                    455:     &Apache::lonxml::debug("final award $finalaward, $previously_used");
                    456:     &setgradedata($finalaward,$id,$previously_used);
                    457:   }
                    458:   return '';
1.1       albertel  459: }
                    460: 
1.11      albertel  461: sub gradestatus {
1.63      sakharuk  462:   my ($id,$target) = @_;
1.43      albertel  463:   my $showbutton = 1;
                    464:   my $message = '';
1.53      albertel  465:   my $latemessage = '';
1.43      albertel  466:   my $trystr='';
                    467:   my $button='';
                    468:   my $previousmsg='';
                    469: 
                    470:   my $status = $Apache::inputtags::status['-1'];
                    471:   &Apache::lonxml::debug("gradestatus has :$status:");
1.77      albertel  472:   if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {  
1.43      albertel  473:     my $award = $Apache::lonhomework::history{"resource.$id.award"};
                    474:     my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
                    475:     my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
                    476:     &Apache::lonxml::debug("Found Award |$award|$solved|");
                    477:     if ( $award ne '' ) {
                    478:       &Apache::lonxml::debug('Getting message');
                    479:       ($showbutton,$message,$previousmsg) =
1.68      sakharuk  480: 	&decideoutput($award,$solved,$previous,$target);
1.63      sakharuk  481:       if ($target eq 'tex') {
                    482: 	$message=' '.$message.' ';
                    483:       } else {
                    484: 	$message="<td bgcolor=\"#aaffaa\">$message</td>";
                    485: 	if ($previousmsg) {
                    486: 	  $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
                    487: 	}
1.43      albertel  488:       }
                    489:     }
                    490:     my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
                    491:     my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
                    492:     &Apache::lonxml::debug("got maxtries of :$maxtries:");
                    493:     if ( $tries eq '' ) { $tries = '0'; }
                    494:     if ( $maxtries eq '' ) { $maxtries = '2'; } 
                    495:     if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
                    496:     if ( $showbutton ) {
1.63      sakharuk  497:       if ($target eq 'tex') {
1.69      sakharuk  498: 	  if ($ENV{'request.state'} ne "construct") {
1.70      sakharuk  499: 	      $trystr = ' {\small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 0 mm ';
1.83      sakharuk  500: 	  } else {
                    501: 	      $trystr = '\vskip 0 mm ';
1.67      sakharuk  502: 	  }
1.63      sakharuk  503:       } else {
                    504:          $trystr = "<td>Tries $tries/$maxtries</td>";
                    505:       }
1.43      albertel  506:     }
                    507:     if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
                    508:     if ( $showbutton ) { 
1.63      sakharuk  509:       if ($target ne 'tex') {
                    510:         $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
                    511:       }
1.43      albertel  512:     }
1.53      albertel  513:     if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
                    514:       #last submissions was after due date
1.63      sakharuk  515:       if ($target eq 'tex') {
                    516: 	  $latemessage=' The last submission was after the Due Date ';
                    517:       } else {
                    518:         $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
                    519:       }
1.53      albertel  520:     }
1.43      albertel  521:   }
1.53      albertel  522:   my $output= $previousmsg.$latemessage.$message.$trystr;
1.43      albertel  523:   if ($output =~ /^\s*$/) {
                    524:     return $button;
                    525:   } else {
1.63      sakharuk  526:     if ($target eq 'tex') {
                    527:       return $button.' \vskip 0 mm '.$output.' ';
                    528:     } else {
                    529:       return $button.'<table><tr>'.$output.'</tr></table>';
                    530:     }
1.43      albertel  531:   }
1.11      albertel  532: }
1.1       albertel  533: 1;
                    534: __END__
1.43      albertel  535:  

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