File:  [LON-CAPA] / loncom / homework / inputtags.pm
Revision 1.46: download - view: text, annotated - select for diffs
Mon Nov 12 20:27:28 2001 UTC (22 years, 6 months ago) by albertel
Branches: MAIN
CVS tags: stable_2001_fall, HEAD
- <import> now puts info in .meta files abut what is being imported
- Apache::inputtags::import exists, list the <import> ids that we are in
- start_response, properly sets the Apache::inputtags::response id to the
   join() of Apache::inputtags::import and the id="" arg of the response
- <import> gets an id at publication time

    1: # The LearningOnline Network with CAPA
    2: # input  definitons
    3: # 2/19 Guy 
    4: 
    5: package Apache::inputtags;
    6: use strict;
    7: 
    8: sub BEGIN {
    9:   &Apache::lonxml::register('Apache::inputtags',('textarea','textline','datasubmission'));
   10: }
   11: 
   12: 
   13: sub initialize_inputtags {
   14:   # list of current input ids
   15:   @Apache::inputtags::input=();
   16:   # list of all input ids seen in this problem
   17:   @Apache::inputtags::inputlist=();
   18:   # list of all current response ids
   19:   @Apache::inputtags::response=();
   20:   # list of all response ids seen in this problem
   21:   @Apache::inputtags::responselist=();
   22:   # list of whether or not a specific response was previously used
   23:   @Apache::inputtags::previous=();
   24:   # id of current part, 0 means that no part is current (inside <problem> only
   25:   $Apache::inputtags::part='';
   26:   # list of problem date statuses, the first element is for <problem>
   27:   # if there is a second element it is for the current <part>
   28:   @Apache::inputtags::status=();
   29:   # hash of defined params for the current response
   30:   %Apache::inputtags::params=();
   31:   # list of all ids, for <import>, these get join()ed and prepended
   32:   @Apache::inputtags::import=();
   33: }
   34: 
   35: sub start_input {
   36:   my ($parstack,$safeeval)=@_;
   37:   my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
   38:   if ($id eq '') { $id = $Apache::lonxml::curdepth; }
   39:   push (@Apache::inputtags::input,$id);
   40:   push (@Apache::inputtags::inputlist,$id);
   41:   return $id;
   42: }
   43: 
   44: sub end_input {
   45:   pop @Apache::inputtags::input;
   46:   return '';
   47: }
   48: 
   49: sub start_textarea {
   50:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   51:   my $result = "";
   52:   my $id = &start_input($parstack,$safeeval);
   53:   if ($target eq 'web') {
   54:     my $oldresponse = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};
   55:     my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
   56:     if ( $cols eq '') { $cols = 80; }
   57:     my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
   58:     if ( $rows eq '') { $rows = 10; }
   59:     if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
   60:       $result= '<textarea name="HWVAL'.$Apache::inputtags::response['-1'].'" '.
   61: 	"rows=\"$rows\" cols=\"$cols\">".$oldresponse;
   62:     } else {
   63:       $result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
   64:     }
   65:     if ($oldresponse ne '') {
   66:       #get rid of any startup text if the user has already responded
   67:       &Apache::lonxml::get_all_text("/textarea",$$parser[$#$parser]);
   68:     }
   69:   }
   70:   return $result;
   71: }
   72: 
   73: sub end_textarea {
   74:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   75:   if ($target eq 'web') {
   76:     if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
   77:       return "</textarea>";
   78:     }
   79:   }
   80:   &end_input;
   81:   return '';
   82: }
   83: 
   84: sub start_textline {
   85:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   86:   my $result = "";
   87:   if ($target eq 'web') {
   88:     my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
   89:     if ($size eq '') { $size=20; }
   90:     my $partid=$Apache::inputtags::part;
   91:     my $id=$Apache::inputtags::response['-1'];
   92:     my $oldresponse = 
   93:       $Apache::lonhomework::history{"resource.$partid.$id.submission"};
   94:     if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
   95:       $result= '<input type="text" name="HWVAL'.$id.'" value="'.
   96: 	$oldresponse.'" size="'.$size.'" />';
   97:     } else {
   98:       $result='<i>'.$oldresponse.'</i>';
   99:     }
  100:   } elsif ($target eq 'edit') {
  101:     $result=&Apache::edit::tag_start($target,$token,
  102: 				     &Apache::lonxml::description($token));
  103:     $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
  104:     $result.=&Apache::edit::end_table;
  105:   } elsif ($target eq 'modified') {
  106:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
  107:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  108:   }
  109:   return $result;
  110: }
  111: 
  112: sub end_textline {
  113:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  114:   if ($target eq 'edit') { return ('','no'); }
  115:   return "";
  116: }
  117: 
  118: sub start_datasubmission {
  119:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  120:   my $id = &Apache::response::start_response($parstack,$safeeval);
  121:   my $result;
  122:   if ($target eq 'meta') {
  123:     $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
  124: 						   $token->[2]->{'type'},
  125: 						   $token->[2]->{'display'});
  126:     $result .= &Apache::response::meta_package_write('datasubmission');
  127:   }
  128:   return $result;
  129: }
  130: 
  131: sub end_datasubmission {
  132:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  133:   my $result;
  134:   if ( $target eq 'web' ) {
  135:   } elsif ($target eq 'grade' ) {
  136:     if ( defined $ENV{'form.submitted'}) {
  137:       &Apache::response::setup_params('datasubmission');
  138:       my $partid = $Apache::inputtags::part;
  139:       my $id = $Apache::inputtags::response['-1'];
  140:       my $response = $ENV{'form.HWVAL'.$id};
  141:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
  142:       if ( $response =~ /[^\s]/) {
  143: 	$Apache::lonhomework::results{"resource.$partid.$id.$name"}=
  144: 	  $response;
  145:       }
  146:     }
  147:   }
  148:   &Apache::response::end_response;
  149:   return $result;
  150: }
  151: 
  152: sub finalizeawards {
  153:   my $result='';
  154:   my $award;
  155:   if ($#_ == '-1') { $result = "NO_RESPONSE"; }
  156:   if ($result eq '' ) {
  157:     foreach $award (@_) { if ($award eq '') {$result='MISSING_ANSWER'; last;}}
  158:   }
  159:   if ($result eq '' ) {
  160:     foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
  161:   }
  162:   if ($result eq '' ) {
  163:     foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
  164:   }
  165: 
  166:   if ($result eq '' ) {
  167:     foreach $award (@_) { 
  168:       if ($award eq 'UNIT_FAIL' ||
  169: 	  $award eq 'NO_UNIT' ||
  170: 	  $award eq 'UNIT_NOTNEEDED') {
  171: 	$result=$award; last;
  172:       }
  173:     }
  174:   }
  175:   if ($result eq '' ) {
  176:     foreach $award (@_) { 
  177:       if ($award eq 'WANTED_NUMERIC' || 
  178: 	  $award eq 'BAD_FORMULA') {$result=$award; last;}
  179:     }
  180:   }
  181:   if ($result eq '' ) {
  182:     foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
  183:   }
  184:   if ($result eq '' ) {
  185:     foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
  186:   }
  187:   if ($result eq '' ) {
  188:     foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
  189:   }
  190:   if ($result eq '' ) {
  191:     foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
  192:   }
  193:   if ($result eq '' ) { $result='EXACT_ANS'; }
  194:   return $result
  195: }
  196: 
  197: sub decideoutput {
  198:   my ($award,$solved,$previous)=@_;
  199:   my $message='';
  200:   my $button=0;
  201:   my $previousmsg;
  202: 
  203:   if ($previous) { $previousmsg='You have entered that answer before'; }
  204: 
  205:   if      ($solved =~ /^correct/) {
  206:     $message = "<b>You are correct.</b> Your receipt is ".
  207:       &Apache::lonnet::receipt;
  208:     $button=0;
  209:     $previousmsg='';
  210:   } elsif ($solved =~ /^excused/) {
  211:     $message = "<b>You are excused from the problem.</b>";
  212:     $button=0;
  213:     $previousmsg='';
  214:   } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
  215:     if ($solved =~ /^incorrect/ || $solved eq '') {
  216:       $message = "Incorrect";
  217:       $button=1;
  218:     } else {
  219:       $message = "<b>You are correct.</b> Your receipt is ".
  220: 	&Apache::lonnet::receipt;
  221:       $button=0;
  222:       $previousmsg='';
  223:     }
  224:   } elsif ($award eq 'NO_RESPONSE') {
  225:     $message = '';
  226:     $button=1;
  227:   } elsif ($award eq 'MISSING_ANSWER') {
  228:     $message = 'Some parts were not submitted';
  229:     $button = 1;
  230:   } elsif ($award eq 'WANTED_NUMERIC') {
  231:     $message = "This question expects a numeric answer";
  232:     $button=1;
  233:   } elsif ($award eq 'SIG_FAIL') {
  234:     $message = "Please adjust significant figures.";# you provided %s significant figures";
  235:     $button=1;
  236:   } elsif ($award eq 'UNIT_FAIL') {
  237:     $message = "Units incorrect."; #Computer reads units as %s";
  238:     $button=1;
  239:   } elsif ($award eq 'UNIT_NOTNEEDED') {
  240:     $message = "Only a number required.";# Computer reads units of %s";
  241:     $button=1;
  242:   } elsif ($award eq 'NO_UNIT') {
  243:     $message = "Units required";
  244:     $button=1;
  245:   } elsif ($award eq 'BAD_FORMULA') {
  246:     $message = "Unable to understand formula";
  247:     $button=1;
  248:   } elsif ($award eq 'INCORRECT') {
  249:     $message = "Incorrect";
  250:     $button=1;
  251:   } elsif ($award eq 'SUBMITTED') {
  252:     $message = "Your submission has been recorded.";
  253:     $button=1;
  254:   } else {
  255:     $message = "Unknown message: $award";
  256:     $button=1;
  257:   }
  258:   return ($button,$message,$previousmsg);
  259: }
  260: 
  261: sub setgradedata {
  262:   my ($award,$id,$previously_used) = @_;
  263:   # if the student already has it correct, don't modify the status
  264:   if ( $Apache::lonhomework::history{"resource.$id.solved"} !~
  265:        /^correct/ ) {
  266:     #handle assignment of tries and solved status
  267:     if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
  268:       $Apache::lonhomework::results{"resource.$id.tries"} =
  269: 	$Apache::lonhomework::history{"resource.$id.tries"} + 1;
  270:       $Apache::lonhomework::results{"resource.$id.solved"} =
  271: 	'correct_by_student';
  272:       $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
  273:     } elsif ( $award eq 'INCORRECT' ) {
  274:       $Apache::lonhomework::results{"resource.$id.tries"} =
  275: 	$Apache::lonhomework::history{"resource.$id.tries"} + 1;
  276:       $Apache::lonhomework::results{"resource.$id.solved"} =
  277: 	'incorrect_attempted';
  278:     } elsif ( $award eq 'SUBMITTED' ) {
  279:       $Apache::lonhomework::results{"resource.$id.tries"} =
  280: 	$Apache::lonhomework::history{"resource.$id.tries"} + 1;
  281:       $Apache::lonhomework::results{"resource.$id.solved"} =
  282: 	'ungraded_attempted';
  283:     } elsif ( $award eq 'NO_RESPONSE' ) {
  284:       return '';
  285:     } else {
  286:       $Apache::lonhomework::results{"resource.$id.solved"} =
  287: 	'incorrect_attempted';
  288:     }
  289: 
  290:     # check if this was a previous submission if it was delete the
  291:     # unneeded data and update the previously_used attribute
  292:     if ( $previously_used eq 'PREVIOUSLY_USED') {
  293:       delete($Apache::lonhomework::results{"resource.$id.tries"});
  294:       $Apache::lonhomework::results{"resource.$id.previous"} = '1';
  295:     } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
  296:       #delete all data as they student didn't do anything
  297:       foreach my $key (keys(%Apache::lonhomework::results)) {
  298: 	if ($key =~ /^resource\.$id\./) {
  299: 	  &Apache::lonxml::debug("Removing $key");
  300: 	  delete($Apache::lonhomework::results{$key});
  301: 	}
  302:       }
  303:       #and since they didn't do anything we were never here
  304:       return '';
  305:     } else {
  306:       $Apache::lonhomework::results{"resource.$id.previous"} = '0';
  307:     }
  308:   }
  309:   $Apache::lonhomework::results{"resource.$id.award"} = $award;
  310: }
  311: 
  312: sub grade {
  313:   my ($target) = @_;
  314:   my $id = $Apache::inputtags::part;
  315:   my $response='';
  316:   if ( defined $ENV{'form.submitted'}) {
  317:     my @awards = ();
  318:     foreach $response (@Apache::inputtags::responselist) {
  319:       &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
  320:       my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
  321:       if ( $value ne '' ) {
  322: 	&Apache::lonxml::debug("keeping $value from $response for $id");
  323: 	push (@awards,$value);
  324:       } else {
  325: 	&Apache::lonxml::debug("skipping $value from $response for $id");
  326:       }
  327:     }
  328:     my $finalaward = &finalizeawards(@awards);
  329:     my $previously_used;
  330:     if ( $#Apache::inputtags::previous eq $#awards ) {
  331:       $previously_used = 'PREVIOUSLY_LAST';
  332:       foreach my $value (@Apache::inputtags::previous) {
  333: 	if ($value eq 'PREVIOUSLY_USED' ) {
  334: 	  $previously_used = $value;
  335: 	  last;
  336: 	}
  337:       }
  338:     }
  339:     &Apache::lonxml::debug("final award $finalaward, $previously_used");
  340:     &setgradedata($finalaward,$id,$previously_used);
  341:   }
  342:   return '';
  343: }
  344: 
  345: sub gradestatus {
  346:   my ($id) = @_;
  347:   my $showbutton = 1;
  348:   my $message = '';
  349:   my $trystr='';
  350:   my $button='';
  351:   my $previousmsg='';
  352: 
  353:   my $status = $Apache::inputtags::status['-1'];
  354:   &Apache::lonxml::debug("gradestatus has :$status:");
  355:   if ( $status ne 'CLOSED' ) {  
  356:     my $award = $Apache::lonhomework::history{"resource.$id.award"};
  357:     my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
  358:     my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
  359:     &Apache::lonxml::debug("Found Award |$award|$solved|");
  360:     if ( $award ne '' ) {
  361:       &Apache::lonxml::debug('Getting message');
  362:       ($showbutton,$message,$previousmsg) =
  363: 	&decideoutput($award,$solved,$previous);
  364:       $message="<td bgcolor=\"#aaffaa\">$message</td>";
  365:       if ($previousmsg) {
  366: 	$previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
  367:       }
  368:     }
  369:     my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
  370:     my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
  371:     &Apache::lonxml::debug("got maxtries of :$maxtries:");
  372:     if ( $tries eq '' ) { $tries = '0'; }
  373:     if ( $maxtries eq '' ) { $maxtries = '2'; } 
  374:     if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } 
  375:     if ( $showbutton ) {
  376:       $trystr = "<td>Tries $tries/$maxtries</td>";
  377:     }
  378:     if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
  379:     if ( $showbutton ) { 
  380:       $button = '<br /><input type="submit" name="submit" value="Submit All Answers" />';
  381:     }
  382:   }
  383:   my $output= $previousmsg.$message.$trystr;
  384:   if ($output =~ /^\s*$/) {
  385:     return $button;
  386:   } else {
  387:     return $button.'<table><tr>'.$previousmsg.$message.$trystr.'</tr></table>';
  388:   }
  389: }
  390: 1;
  391: __END__
  392:  

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