File:  [LON-CAPA] / loncom / homework / radiobuttonresponse.pm
Revision 1.16: download - view: text, annotated - select for diffs
Mon Apr 23 18:21:55 2001 UTC (23 years ago) by albertel
Branches: MAIN
CVS tags: HEAD
- fixed auto-checking of first radio button

    1: # The LearningOnline Network with CAPA
    2: # mutliple choice style responses
    3: # 2/21 Guy
    4: 
    5: package Apache::radiobuttonresponse;
    6: use strict;
    7: 
    8: sub BEGIN {
    9:   &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
   10: }
   11: 
   12: sub start_radiobuttonresponse {
   13:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   14:   #when in a radiobutton response use these
   15:   &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil'));
   16:   my $id = &Apache::response::start_response($parstack,$safeeval);
   17:   return '';
   18: }
   19: 
   20: sub end_radiobuttonresponse {
   21:   &Apache::response::end_response;
   22:   return '';
   23: }
   24: 
   25: %Apache::response::foilgroup={};
   26: sub start_foilgroup {
   27:   %Apache::response::foilgroup={};
   28:   $Apache::optionresponse::conceptgroup=0;
   29:   &setrandomnumber();
   30:   return '';
   31: }
   32: 
   33: sub setrandomnumber {
   34:   my $rndseed=&Apache::lonnet::rndseed();
   35:   $rndseed=unpack("%32i",$rndseed);
   36:   $rndseed=$rndseed
   37:     +&Apache::lonnet::numval($Apache::inputtags::part)
   38:       +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
   39:   srand($rndseed);
   40:   return '';
   41: }
   42: 
   43: sub storesurvey {
   44:   if ( defined $ENV{'form.submitted'}) {
   45:     my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
   46:     &Apache::lonxml::debug("Here I am!:$response:");
   47:     if ( $response =~ /[^\s]/) {
   48:       my $id = $Apache::inputtags::response['-1'];
   49:       $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
   50:       $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
   51:       &Apache::lonxml::debug("submitted a $response<br />\n");
   52:     }
   53:   }
   54:   return '';
   55: }
   56: 
   57: sub end_foilgroup {
   58:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   59:   
   60:   my $result;
   61:   if ($target ne 'meta') {
   62:     my $rrargs ='';
   63:     if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
   64:     my $style = &Apache::run::run("{$rrargs;".'return $style}',$safeeval);
   65:     if ( $style eq 'survey' ) {
   66:       if ($target eq 'web') {
   67: 	$result=&displayallfoils();
   68:       } elsif ( $target eq 'grade' ) {
   69: 	$result=&storesurvey();
   70:       }
   71:     } else {
   72:       my $name;
   73:       my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
   74:       my $count=0;
   75:       # we will add in 1 of the true statements
   76:       if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
   77:       my $answer = int(rand ($count));
   78:       &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
   79:       if ($target eq 'web') {
   80: 	$result=&displayfoils($max,$answer);
   81:       } elsif ( $target eq 'grade') {
   82: 	if ( defined $ENV{'form.submitted'}) {
   83: 	  my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
   84: 	  if ( $response =~ /[^\s]/) {
   85: 	    my $id = $Apache::inputtags::response['-1'];
   86: 	    $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
   87: 	    &Apache::lonxml::debug("submitted a $response<br />\n");
   88: 	    if ($response == $answer) {
   89: 	      $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
   90: 	    } else {
   91: 	      $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
   92: 	    }
   93: 	  }
   94: 	}
   95:       }
   96:     }
   97:   }
   98:   return $result;
   99: }
  100: 
  101: sub getfoilcounts {
  102:   my ($parstack,$safeeval)=@_;
  103:   my $rrargs ='';
  104:   if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
  105:   my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
  106:   my @names = @{ $Apache::response::foilgroup{'names'} };
  107:   my $truecnt=0;
  108:   my $falsecnt=0;
  109:   my $name;
  110: 
  111:   foreach $name (@names) {
  112:     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
  113:       $truecnt++;
  114:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
  115:       $falsecnt++;
  116:     }
  117:   }
  118:   return ($truecnt,$falsecnt,$max);
  119: }
  120: 
  121: sub displayallfoils {
  122:   my $result;
  123:   &Apache::lonxml::debug("survey style display");
  124:   my @names = @{ $Apache::response::foilgroup{'names'} };
  125:   my $temp=0;
  126:   my $id=$Apache::inputtags::response['-1'];
  127:   my $part=$Apache::inputtags::part;
  128:   my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
  129:   foreach my $name (@names) {
  130:     if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
  131:       $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
  132:       if ($lastresponse eq $temp) { $result .= 'checked="on"'; }
  133:       $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
  134:       $temp++;
  135:     }
  136:   }
  137:   return $result;
  138: }
  139: 
  140: sub displayfoils {
  141:   my ($max,$answer)=@_;
  142:   my @names = @{ $Apache::response::foilgroup{'names'} };
  143:   my @truelist;
  144:   my @falselist;
  145:   my $result;
  146:   my $name;
  147: 
  148:   foreach $name (@names) {
  149:     #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
  150:     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
  151:       push (@truelist,$name);
  152:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
  153:       push (@falselist,$name);
  154:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
  155:     } else {
  156:       &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
  157:     }
  158:   }
  159:   my $whichtrue = rand $#truelist;
  160:   &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
  161:   my @whichfalse =();
  162:   while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {
  163:     my $afalse=rand $#falselist;
  164:     &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
  165:     $afalse=splice(@falselist,$afalse,1);
  166:     &Apache::lonxml::debug("Picked $afalse");
  167:     push (@whichfalse,$afalse);
  168:   }
  169:   splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
  170:   &Apache::lonxml::debug("the true statement is $answer");
  171:   if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
  172:     foreach $name (@whichfalse) {
  173:       $result.="<br />";
  174:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
  175: 	$result.='Correct';
  176:       } else {
  177: 	$result.='Incorrect';
  178:       }
  179:       $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
  180:     }
  181:   } else {
  182:     my $temp=0;
  183:     my $id=$Apache::inputtags::response['-1'];
  184:     my $part=$Apache::inputtags::part;
  185:     my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
  186:     foreach $name (@whichfalse) {
  187:        $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
  188:       if ($lastresponse eq $temp) { $result .= 'checked="on"'; }
  189:       $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
  190:       $temp++;
  191:     }
  192:   }
  193:   return $result."<br />";
  194: }
  195: 
  196: sub start_conceptgroup {
  197:   $Apache::optionresponse::conceptgroup=1;  
  198:   %Apache::response::conceptgroup={};
  199:   return '';
  200: }
  201: 
  202: sub end_conceptgroup {
  203:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  204:   $Apache::optionresponse::conceptgroup=0;  
  205:   if ($target eq 'web' || $target eq 'grade') {
  206:     my @names = @{ $Apache::response::conceptgroup{'names'} };
  207:     my $pick=int rand $#names+1;
  208:     my $name=$names[$pick];
  209:     push @{ $Apache::response::foilgroup{'names'} }, $name;
  210:     $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
  211:     $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
  212:     my $args;
  213:     if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
  214:     my $concept = &Apache::run::run("{$args;".'return $concept}',$safeeval);
  215:     $Apache::response::foilgroup{"$name.concept"} = $concept;
  216:     &Apache::lonxml::debug("Selecting $name in $concept");
  217:   }
  218:   return '';
  219: }
  220: 
  221: sub start_foil {
  222:   &Apache::lonxml::startredirection;
  223:   return '';
  224: }
  225: 
  226: sub end_foil {
  227:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  228:   my $foil=&Apache::lonxml::endredirection;
  229:   if ($target eq 'web' || $target eq 'grade') {
  230:     my $args ='';
  231:     if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
  232:     my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
  233:     push @{ $Apache::response::foilgroup{'names'} }, $name;
  234:     my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
  235:     $Apache::response::foilgroup{"$name.value"} = $value;
  236:     $Apache::response::foilgroup{"$name.text"} = $foil;
  237:   }
  238:   return '';
  239: }
  240: 
  241: 1;
  242: __END__
  243:  

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