Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.56

1.22      albertel    1: # The LearningOnline Network with CAPA
                      2: # mutliple choice style responses
1.31      albertel    3: #
1.56    ! sakharuk    4: # $Id: radiobuttonresponse.pm,v 1.55 2002/10/14 20:33:57 albertel Exp $
1.31      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: #
1.22      albertel   28: # 2/21 Guy
1.1       albertel   29: 
                     30: package Apache::radiobuttonresponse;
                     31: use strict;
1.42      albertel   32: use HTML::Entities();
1.1       albertel   33: 
1.36      harris41   34: BEGIN {
1.22      albertel   35:   &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1       albertel   36: }
                     37: 
                     38: sub start_radiobuttonresponse {
1.22      albertel   39:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.26      albertel   40:   my $result;
1.3       albertel   41:   #when in a radiobutton response use these
1.22      albertel   42:   &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.26      albertel   43:   push (@Apache::lonxml::namespace,'radiobuttonresponse');
1.4       albertel   44:   my $id = &Apache::response::start_response($parstack,$safeeval);
1.25      albertel   45:   if ($target eq 'meta') {
                     46:     $result=&Apache::response::meta_package_write('radiobuttonresponse');
1.26      albertel   47:   } elsif ($target eq 'edit' ) {
                     48:     $result.=&Apache::edit::start_table($token).
1.35      matthew    49: 	'<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
1.26      albertel   50: 	&Apache::edit::deletelist($target,$token)
1.35      matthew    51: 	."</td><td>&nbsp".&Apache::edit::end_row()
                     52:         .&Apache::edit::start_spanning_row();
                     53: 
1.47      albertel   54:     $result.=
                     55: 	&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
                     56: 	&Apache::edit::select_arg('Randomize Foil Order','randomize',
                     57: 				  ['yes','no'],$token).
                     58:         &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
1.26      albertel   59:   } elsif ($target eq 'modified') {
                     60:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.47      albertel   61: 						 $safeeval,'max','randomize');
1.26      albertel   62:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38      sakharuk   63:   } elsif ($target eq 'tex') {
                     64:       $result .= '\begin{enumerate}';
1.25      albertel   65:   }
                     66:   return $result;
1.1       albertel   67: }
                     68: 
                     69: sub end_radiobuttonresponse {
1.26      albertel   70:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     71:   my $result;
                     72:   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.38      sakharuk   73:   if ($target eq 'tex') { $result .= '\end{enumerate}'; }
1.22      albertel   74:   &Apache::response::end_response;
1.26      albertel   75:   pop @Apache::lonxml::namespace;
1.33      albertel   76:   &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.26      albertel   77:   return $result;
1.1       albertel   78: }
                     79: 
1.43      albertel   80: %Apache::response::foilgroup=();
1.1       albertel   81: sub start_foilgroup {
1.56    ! sakharuk   82:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !            83:   my $result;
1.43      albertel   84:   %Apache::response::foilgroup=();
1.22      albertel   85:   $Apache::radiobuttonresponse::conceptgroup=0;
                     86:   &Apache::response::setrandomnumber();
1.56    ! sakharuk   87:   if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
        !            88:       $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
        !            89:       $Apache::lonxml::counter++;
        !            90:       my %moreenv;
        !            91:       $moreenv{'form.counter'}=$Apache::lonxml::counter;
        !            92:       &Apache::lonnet::appenv(%moreenv);
        !            93:   }
        !            94:   return $result;
1.5       albertel   95: }
                     96: 
1.15      albertel   97: sub storesurvey {
1.33      albertel   98:   if ( !defined($ENV{'form.submitted'})) { return ''; }
                     99:   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                    100:   &Apache::lonxml::debug("Here I am!:$response:");
                    101:   if ( $response !~ /[0-9]+/) { return ''; }
                    102:   my $id = $Apache::inputtags::response['-1'];
                    103:   my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
                    104:   my %responsehash;
                    105:   $responsehash{$whichfoils[$response]}=$response;
                    106:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
                    107:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
                    108:   &Apache::lonxml::debug("submitted a $response<br />\n");
1.22      albertel  109:   return '';
1.15      albertel  110: }
                    111: 
1.32      albertel  112: sub grade_response {
1.49      albertel  113:   my ($max,$randomize)=@_;
1.55      albertel  114:   #keep the random numbers the same must always call this
                    115:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.32      albertel  116:   if (!defined($ENV{'form.submitted'})) { return; }
                    117:   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                    118:   if ( $response !~ /[0-9]+/) { return; }
                    119:   my $part=$Apache::inputtags::part;
                    120:   my $id = $Apache::inputtags::response['-1'];
                    121:   my %responsehash;
                    122:   $responsehash{$whichfoils[$response]}=$response;
                    123:   my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    124:   my %previous=&Apache::response::check_for_previous($responsestr,
                    125: 						     $part,$id);
                    126:   $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    127:     $responsestr;
                    128:   &Apache::lonxml::debug("submitted a $response<br />\n");
                    129:   my $ad;
                    130:   if ($response == $answer) {
                    131:     $ad='EXACT_ANS';
                    132:   } else {
                    133:     $ad='INCORRECT';
                    134:   }
                    135:   $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    136:   &Apache::response::handle_previous(\%previous,$ad);
                    137: }
                    138: 
1.1       albertel  139: sub end_foilgroup {
1.22      albertel  140:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29      albertel  141: 
1.22      albertel  142:   my $result;
1.38      sakharuk  143:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.29      albertel  144:     my $style = $Apache::lonhomework::type;
1.22      albertel  145:     if ( $style eq 'survey' ) {
1.38      sakharuk  146:       if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.22      albertel  147: 	$result=&displayallfoils();
                    148:       } elsif ( $target eq 'grade' ) {
                    149: 	$result=&storesurvey();
                    150:       }
                    151:     } else {
                    152:       my $name;
1.49      albertel  153:       my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
1.47      albertel  154:       my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    155: 						 $safeeval,'-2');
1.38      sakharuk  156:       if ($target eq 'web' || $target eq 'tex') {
1.49      albertel  157: 	$result=&displayfoils($target,$max,$randomize);
1.28      albertel  158:       } elsif ($target eq 'answer' ) {
1.49      albertel  159: 	$result=&displayanswers($max,$randomize);
1.22      albertel  160:       } elsif ( $target eq 'grade') {
1.49      albertel  161: 	&grade_response($max,$randomize);
1.22      albertel  162:       }
1.5       albertel  163:     }
1.22      albertel  164:   }
                    165:   return $result;
1.6       albertel  166: }
                    167: 
                    168: sub getfoilcounts {
1.34      albertel  169:   my @names;
1.22      albertel  170:   my $truecnt=0;
                    171:   my $falsecnt=0;
                    172:   my $name;
1.34      albertel  173:   if ( $Apache::response::foilgroup{'names'} ) {
                    174:     @names= @{ $Apache::response::foilgroup{'names'} };
                    175:   }
1.22      albertel  176:   foreach $name (@names) {
                    177:     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    178:       $truecnt++;
                    179:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    180:       $falsecnt++;
1.6       albertel  181:     }
1.22      albertel  182:   }
1.50      albertel  183:   return ($truecnt,$falsecnt);
1.5       albertel  184: }
                    185: 
1.15      albertel  186: sub displayallfoils {
1.22      albertel  187:   my $result;
                    188:   &Apache::lonxml::debug("survey style display");
                    189:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    190:   my $temp=0;
                    191:   my $id=$Apache::inputtags::response['-1'];
                    192:   my $part=$Apache::inputtags::part;
                    193:   my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  194:   my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.45      albertel  195:   if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
                    196:     foreach my $name (@names) {
                    197:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    198: 	$result.="<br />".$Apache::response::foilgroup{$name.'.value'};
                    199: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    200: 	  $result.='<b>';
                    201: 	}
                    202: 	$result .= $Apache::response::foilgroup{$name.'.text'};
                    203: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    204: 	  $result.='</b>';
                    205: 	}
                    206:       }
                    207:     }
                    208:   } else {
                    209:     foreach my $name (@names) {
                    210:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    211: 	$result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    212: 	if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    213: 	$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    214: 	$temp++;
                    215:       }
1.15      albertel  216:     }
1.22      albertel  217:   }
                    218:   return $result;
1.15      albertel  219: }
                    220: 
1.28      albertel  221: sub whichfoils {
1.49      albertel  222:   my ($max,$randomize)=@_;
1.28      albertel  223: 
1.22      albertel  224:   my @truelist;
                    225:   my @falselist;
1.41      albertel  226:   my @whichfalse =();
1.50      albertel  227:   my ($truecnt,$falsecnt) = &getfoilcounts();
1.49      albertel  228:   my $count=0;
                    229:   # we will add in 1 of the true statements
                    230:   if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
1.51      albertel  231:   my $answer=int(&Math::Random::random_uniform() * ($count));
1.49      albertel  232:   &Apache::lonxml::debug("Count is $count, $answer is $answer");
1.34      albertel  233:   my @names;
                    234:   if ( $Apache::response::foilgroup{'names'} ) {
1.49      albertel  235:       @names= @{ $Apache::response::foilgroup{'names'} };
1.34      albertel  236:   }
1.41      albertel  237:   if (&Apache::response::showallfoils()) {
1.49      albertel  238:       @whichfalse=@names;
1.48      albertel  239:   } elsif ($randomize eq 'no') {
1.47      albertel  240:       &Apache::lonxml::debug("No randomization");
                    241:       my $havetrue=0;
                    242:       foreach my $name (@names) {
                    243: 	  if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.49      albertel  244: 	      if (!$havetrue ) {
                    245: 		  push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
                    246: 	      }
1.47      albertel  247: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    248: 	      push (@whichfalse,$name);
                    249: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    250: 	  } else {
                    251: 	      &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    252: 	  }
                    253:       }
1.41      albertel  254:   } else {
1.49      albertel  255:     my $current=0;
                    256:     &Apache::lonhomework::showhash(%Apache::response::foilgroup);
                    257:     my (%top,%bottom);
                    258:     #first find out where everyone wants to be
1.41      albertel  259:     foreach my $name (@names) {
1.49      albertel  260: 	$current++;
                    261: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    262: 	    push (@truelist,$name);
                    263: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    264: 		$top{$name}=$current;
                    265: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    266: 		$bottom{$name}=$current;
                    267: 	    }
                    268: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    269: 	    push (@falselist,$name);
                    270: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    271: 		$top{$name}=$current;
                    272: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    273: 		$bottom{$name}=$current;
                    274: 	    }
                    275: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    276: 	} else {
                    277: 	    &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    278: 	}
1.41      albertel  279:     }
1.49      albertel  280:     #pick a true statement
1.51      albertel  281:     my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
1.41      albertel  282:     &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
1.49      albertel  283:     my $numinserted;
                    284:     my (@toplist, @bottomlist);
                    285:     my $topcount=0;
                    286:     # assign everyone to either toplist/bottomlist or whichfalse
                    287:     # which false is randomized, toplist bottomlist are in order
                    288:     while ((($numinserted) < $max-1) && ($#falselist > -1)) {
                    289: 	&Apache::lonxml::debug("Have $#whichfalse max is $max");
1.51      albertel  290: 	my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
1.49      albertel  291: 	&Apache::lonxml::debug("From $#falselist elms, picking $afalse");
                    292: 	$afalse=splice(@falselist,$afalse,1);
                    293: 	&Apache::lonxml::debug("Picked $afalse");
                    294: 	&Apache::lonhomework::showhash(('names'=>\@names));
                    295: 	&Apache::lonhomework::showhash(%top);
                    296: 	if ($top{$afalse}) {
                    297: 	    $toplist[$top{$afalse}]=$afalse;
                    298: 	    $topcount++;
                    299: 	} elsif ($bottom{$afalse}) {
                    300: 	    $bottomlist[$bottom{$afalse}]=$afalse;
                    301: 	} else {
                    302: 	    push (@whichfalse,$afalse);
                    303: 	}
                    304:     }
                    305:     my $truename=$truelist[$whichtrue];
                    306:     my $dosplice=1;
                    307:     #insert the true statement, keeping track of where it wants to be
                    308:     if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
                    309: 	$toplist[$top{$truename}]=$truename;
                    310: 	$answer=-1;
                    311: 	foreach my $top (reverse(@toplist)) {
                    312: 	    if ($top) { $answer++;}
                    313: 	    if ($top eq $truename) { last; }
                    314: 	}
                    315: 	$dosplice=0;
                    316:     } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
                    317: 	$bottomlist[$bottom{$truename}]=$truename;
                    318: 	$answer=-1;
                    319: 	foreach my $bot (@bottomlist) {
                    320: 	    if ($bot) { $answer++;}
                    321: 	    if ($bot eq $truename) { last; }
                    322: 	}
                    323: 	$answer+=$topcount+$#whichfalse+1;
                    324: 	$dosplice=0;
                    325:     } else {
1.51      albertel  326: 	if ($topcount>0) { 
                    327: 	  $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
                    328: 	    + $topcount;
                    329: 	}
1.49      albertel  330:     }
                    331:     #add the top items to the top, bottom items to the bottom
                    332:     for (my $i=0;$i<=$#toplist;$i++) {
                    333: 	if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
                    334:     }
                    335:     for (my $i=0;$i<=$#bottomlist;$i++) {
                    336: 	if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.3       albertel  337:     }
1.49      albertel  338:     #if the true statement is randomized insert it into the list
                    339:     if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.22      albertel  340:   }
1.49      albertel  341:   &Apache::lonxml::debug("Answer is $answer");
                    342:   return ($answer,@whichfalse);
1.28      albertel  343: }
                    344: 
                    345: sub displayfoils {
1.49      albertel  346:   my ($target,$max,$randomize)=@_;
1.28      albertel  347:   my $result;
                    348: 
1.49      albertel  349:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.45      albertel  350:   if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
1.28      albertel  351:     foreach my $name (@whichfoils) {
1.38      sakharuk  352:       if ($target ne 'tex') {
                    353: 	  $result.="<br />";
1.44      sakharuk  354:       } else {
1.46      sakharuk  355: 	  $result.='\vskip 0 mm \item ';
1.38      sakharuk  356:       }
1.22      albertel  357:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
1.46      sakharuk  358: 	  if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: ';}
1.22      albertel  359:       } else {
1.45      albertel  360: 	$result.='Incorrect:';
                    361:       }
1.46      sakharuk  362:       if ($target ne 'tex') {
                    363: 	  $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    364:       } else {
                    365: 	  $result.=$Apache::response::foilgroup{$name.'.text'};
                    366:       }
1.45      albertel  367:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.46      sakharuk  368: 	  if ($target ne 'tex') { $result.='</b>';}
1.22      albertel  369:       }
1.10      albertel  370:     }
1.22      albertel  371:   } else {
1.56    ! sakharuk  372:     my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
        !           373:     my $i = 0;
1.54      sakharuk  374:     my $temp=0;  
1.22      albertel  375:     my $id=$Apache::inputtags::response['-1'];
                    376:     my $part=$Apache::inputtags::part;
                    377:     my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  378:     my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.28      albertel  379:     foreach my $name (@whichfoils) {
1.38      sakharuk  380:       if ($target ne 'tex') {
                    381: 	  $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    382: 	  if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    383: 	  $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
1.55      albertel  384: 	  if ($Apache::lonhomework::type eq 'exam') {
                    385: 	      $result .= '<table border="1"><tr><td>A: &nbsp;&nbsp;Correct</td><td>B: &nbsp;&nbsp;Incorrect</td></tr></table>';
                    386: 	  }
1.38      sakharuk  387:       } else {
1.54      sakharuk  388: 	  if ($Apache::lonhomework::type eq 'exam') {
1.56    ! sakharuk  389: 	      $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';
        !           390: 	      $i++;
        !           391: 	  } else {
        !           392: 	      $result .= '\item '.$Apache::response::foilgroup{$name.'.text'};
1.54      sakharuk  393: 	  }
1.38      sakharuk  394:       }
1.22      albertel  395:       $temp++;
1.10      albertel  396:     }
1.22      albertel  397:   }
1.44      sakharuk  398:   if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
1.39      albertel  399:   return $result;
1.14      albertel  400: }
                    401: 
1.28      albertel  402: sub displayanswers {
1.49      albertel  403:   my ($max,$randomize)=@_;
                    404:   my ($answer,@whichopt) = &whichfoils($max,$randomize);
1.28      albertel  405:   my $result=&Apache::response::answer_header('radiobuttonresponse');
                    406:   foreach my $name (@whichopt) {
                    407:     $result.=&Apache::response::answer_part('radiobuttonresponse',
                    408: 		     $Apache::response::foilgroup{$name.'.value'})
                    409:   }
                    410:   $result.=&Apache::response::answer_footer('radiobuttonresponse');
                    411:   return $result;
                    412: }
                    413: 
1.14      albertel  414: sub start_conceptgroup {
1.27      albertel  415:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.22      albertel  416:   $Apache::radiobuttonresponse::conceptgroup=1;
1.43      albertel  417:   %Apache::response::conceptgroup=();
1.26      albertel  418:   my $result;
                    419:   if ($target eq 'edit') {
                    420:     $result.=&Apache::edit::tag_start($target,$token);
                    421:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
1.35      matthew   422: 	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.26      albertel  423:   } elsif ($target eq 'modified') {
                    424:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    425: 						 $safeeval,'concept');
                    426:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    427:   }
                    428:   return $result;
1.14      albertel  429: }
                    430: 
                    431: sub end_conceptgroup {
1.22      albertel  432:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    433:   $Apache::radiobuttonresponse::conceptgroup=0;
1.26      albertel  434:   my $result;
1.38      sakharuk  435:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.27      albertel  436:     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
                    437:       my @names = @{ $Apache::response::conceptgroup{'names'} };
1.51      albertel  438:       my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1.27      albertel  439:       my $name=$names[$pick];
                    440:       push @{ $Apache::response::foilgroup{'names'} }, $name;
                    441:       $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
                    442:       $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
1.49      albertel  443:       $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
1.27      albertel  444:       my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    445:       $Apache::response::foilgroup{"$name.concept"} = $concept;
                    446:       &Apache::lonxml::debug("Selecting $name in $concept");
                    447:     }
1.26      albertel  448:   } elsif ($target eq 'edit') {
                    449:     $result=&Apache::edit::end_table();
1.22      albertel  450:   }
1.26      albertel  451:   return $result;
                    452: }
                    453: 
                    454: sub insert_conceptgroup {
                    455:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    456:   return $result;
1.1       albertel  457: }
                    458: 
                    459: sub start_foil {
1.24      albertel  460:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    461:   my $result='';
1.38      sakharuk  462:   if ($target eq 'web' || $target eq 'tex') {
1.27      albertel  463:     &Apache::lonxml::startredirection;
                    464:   } elsif ($target eq 'edit') {
                    465:     $result=&Apache::edit::tag_start($target,$token);
                    466:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.42      albertel  467:     $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
1.28      albertel  468: 				       ['unused','true','false'],$token);
1.51      albertel  469:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    470: 					     $safeeval,'-3');
1.53      albertel  471:     if ($randomize ne 'no') {
1.51      albertel  472:       $result.=&Apache::edit::select_arg('Location:','location',
1.52      albertel  473: 					 ['random','top','bottom'],$token);
1.51      albertel  474:     }
1.35      matthew   475:     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.27      albertel  476:   } elsif ($target eq 'modified') {
                    477:      my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.48      albertel  478: 						  'value','name','location');
1.27      albertel  479:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38      sakharuk  480:   } 
1.27      albertel  481:   return $result;
1.1       albertel  482: }
                    483: 
                    484: sub end_foil {
1.22      albertel  485:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    486:   my $text='';
1.38      sakharuk  487:   if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
                    488:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.19      albertel  489:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.18      albertel  490:     if ($value ne 'unused') {
1.19      albertel  491:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48      albertel  492:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.27      albertel  493:       if (!$name) { $name=$Apache::lonxml::curdepth; }
1.41      albertel  494:       if ( $Apache::radiobuttonresponse::conceptgroup
                    495: 	   && !&Apache::response::showallfoils() ) {
1.18      albertel  496: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    497: 	$Apache::response::conceptgroup{"$name.value"} = $value;
                    498: 	$Apache::response::conceptgroup{"$name.text"} = $text;	
1.48      albertel  499: 	$Apache::response::conceptgroup{"$name.location"} = $location;	
1.18      albertel  500:       } else {
                    501: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
                    502: 	$Apache::response::foilgroup{"$name.value"} = $value;
                    503: 	$Apache::response::foilgroup{"$name.text"} = $text;
1.48      albertel  504: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.18      albertel  505:       }
                    506:     }
1.4       albertel  507:   }
1.1       albertel  508:   return '';
                    509: }
                    510: 
1.27      albertel  511: sub insert_foil {
                    512:   return '
                    513: <foil name="" value="unused">
                    514: <startouttext />
                    515: <endouttext />
                    516: </foil>';
                    517: }
1.1       albertel  518: 1;
                    519: __END__
                    520:  

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