Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.57

1.22      albertel    1: # The LearningOnline Network with CAPA
                      2: # mutliple choice style responses
1.31      albertel    3: #
1.57    ! albertel    4: # $Id: radiobuttonresponse.pm,v 1.56 2002/10/17 14:40:23 sakharuk 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.'}.]';
1.57    ! albertel   89:       &Apache::lonxml::increment_counter();
1.56      sakharuk   90:   }
                     91:   return $result;
1.5       albertel   92: }
                     93: 
1.15      albertel   94: sub storesurvey {
1.33      albertel   95:   if ( !defined($ENV{'form.submitted'})) { return ''; }
                     96:   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                     97:   &Apache::lonxml::debug("Here I am!:$response:");
                     98:   if ( $response !~ /[0-9]+/) { return ''; }
                     99:   my $id = $Apache::inputtags::response['-1'];
                    100:   my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
                    101:   my %responsehash;
                    102:   $responsehash{$whichfoils[$response]}=$response;
                    103:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
                    104:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
                    105:   &Apache::lonxml::debug("submitted a $response<br />\n");
1.22      albertel  106:   return '';
1.15      albertel  107: }
                    108: 
1.32      albertel  109: sub grade_response {
1.49      albertel  110:   my ($max,$randomize)=@_;
1.55      albertel  111:   #keep the random numbers the same must always call this
                    112:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.32      albertel  113:   if (!defined($ENV{'form.submitted'})) { return; }
                    114:   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                    115:   if ( $response !~ /[0-9]+/) { return; }
                    116:   my $part=$Apache::inputtags::part;
                    117:   my $id = $Apache::inputtags::response['-1'];
                    118:   my %responsehash;
                    119:   $responsehash{$whichfoils[$response]}=$response;
                    120:   my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    121:   my %previous=&Apache::response::check_for_previous($responsestr,
                    122: 						     $part,$id);
                    123:   $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    124:     $responsestr;
                    125:   &Apache::lonxml::debug("submitted a $response<br />\n");
                    126:   my $ad;
                    127:   if ($response == $answer) {
                    128:     $ad='EXACT_ANS';
                    129:   } else {
                    130:     $ad='INCORRECT';
                    131:   }
                    132:   $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    133:   &Apache::response::handle_previous(\%previous,$ad);
                    134: }
                    135: 
1.1       albertel  136: sub end_foilgroup {
1.22      albertel  137:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29      albertel  138: 
1.22      albertel  139:   my $result;
1.38      sakharuk  140:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.29      albertel  141:     my $style = $Apache::lonhomework::type;
1.22      albertel  142:     if ( $style eq 'survey' ) {
1.38      sakharuk  143:       if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.22      albertel  144: 	$result=&displayallfoils();
                    145:       } elsif ( $target eq 'grade' ) {
                    146: 	$result=&storesurvey();
                    147:       }
                    148:     } else {
                    149:       my $name;
1.49      albertel  150:       my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
1.47      albertel  151:       my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    152: 						 $safeeval,'-2');
1.38      sakharuk  153:       if ($target eq 'web' || $target eq 'tex') {
1.49      albertel  154: 	$result=&displayfoils($target,$max,$randomize);
1.28      albertel  155:       } elsif ($target eq 'answer' ) {
1.49      albertel  156: 	$result=&displayanswers($max,$randomize);
1.22      albertel  157:       } elsif ( $target eq 'grade') {
1.49      albertel  158: 	&grade_response($max,$randomize);
1.22      albertel  159:       }
1.5       albertel  160:     }
1.22      albertel  161:   }
                    162:   return $result;
1.6       albertel  163: }
                    164: 
                    165: sub getfoilcounts {
1.34      albertel  166:   my @names;
1.22      albertel  167:   my $truecnt=0;
                    168:   my $falsecnt=0;
                    169:   my $name;
1.34      albertel  170:   if ( $Apache::response::foilgroup{'names'} ) {
                    171:     @names= @{ $Apache::response::foilgroup{'names'} };
                    172:   }
1.22      albertel  173:   foreach $name (@names) {
                    174:     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    175:       $truecnt++;
                    176:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    177:       $falsecnt++;
1.6       albertel  178:     }
1.22      albertel  179:   }
1.50      albertel  180:   return ($truecnt,$falsecnt);
1.5       albertel  181: }
                    182: 
1.15      albertel  183: sub displayallfoils {
1.22      albertel  184:   my $result;
                    185:   &Apache::lonxml::debug("survey style display");
                    186:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    187:   my $temp=0;
                    188:   my $id=$Apache::inputtags::response['-1'];
                    189:   my $part=$Apache::inputtags::part;
                    190:   my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  191:   my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.45      albertel  192:   if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
                    193:     foreach my $name (@names) {
                    194:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    195: 	$result.="<br />".$Apache::response::foilgroup{$name.'.value'};
                    196: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    197: 	  $result.='<b>';
                    198: 	}
                    199: 	$result .= $Apache::response::foilgroup{$name.'.text'};
                    200: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    201: 	  $result.='</b>';
                    202: 	}
                    203:       }
                    204:     }
                    205:   } else {
                    206:     foreach my $name (@names) {
                    207:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    208: 	$result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    209: 	if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    210: 	$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    211: 	$temp++;
                    212:       }
1.15      albertel  213:     }
1.22      albertel  214:   }
                    215:   return $result;
1.15      albertel  216: }
                    217: 
1.28      albertel  218: sub whichfoils {
1.49      albertel  219:   my ($max,$randomize)=@_;
1.28      albertel  220: 
1.22      albertel  221:   my @truelist;
                    222:   my @falselist;
1.41      albertel  223:   my @whichfalse =();
1.50      albertel  224:   my ($truecnt,$falsecnt) = &getfoilcounts();
1.49      albertel  225:   my $count=0;
                    226:   # we will add in 1 of the true statements
                    227:   if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
1.51      albertel  228:   my $answer=int(&Math::Random::random_uniform() * ($count));
1.49      albertel  229:   &Apache::lonxml::debug("Count is $count, $answer is $answer");
1.34      albertel  230:   my @names;
                    231:   if ( $Apache::response::foilgroup{'names'} ) {
1.49      albertel  232:       @names= @{ $Apache::response::foilgroup{'names'} };
1.34      albertel  233:   }
1.41      albertel  234:   if (&Apache::response::showallfoils()) {
1.49      albertel  235:       @whichfalse=@names;
1.48      albertel  236:   } elsif ($randomize eq 'no') {
1.47      albertel  237:       &Apache::lonxml::debug("No randomization");
                    238:       my $havetrue=0;
                    239:       foreach my $name (@names) {
                    240: 	  if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.49      albertel  241: 	      if (!$havetrue ) {
                    242: 		  push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
                    243: 	      }
1.47      albertel  244: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    245: 	      push (@whichfalse,$name);
                    246: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    247: 	  } else {
                    248: 	      &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    249: 	  }
                    250:       }
1.41      albertel  251:   } else {
1.49      albertel  252:     my $current=0;
                    253:     &Apache::lonhomework::showhash(%Apache::response::foilgroup);
                    254:     my (%top,%bottom);
                    255:     #first find out where everyone wants to be
1.41      albertel  256:     foreach my $name (@names) {
1.49      albertel  257: 	$current++;
                    258: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    259: 	    push (@truelist,$name);
                    260: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    261: 		$top{$name}=$current;
                    262: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    263: 		$bottom{$name}=$current;
                    264: 	    }
                    265: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    266: 	    push (@falselist,$name);
                    267: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    268: 		$top{$name}=$current;
                    269: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    270: 		$bottom{$name}=$current;
                    271: 	    }
                    272: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    273: 	} else {
                    274: 	    &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    275: 	}
1.41      albertel  276:     }
1.49      albertel  277:     #pick a true statement
1.51      albertel  278:     my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
1.41      albertel  279:     &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
1.49      albertel  280:     my $numinserted;
                    281:     my (@toplist, @bottomlist);
                    282:     my $topcount=0;
                    283:     # assign everyone to either toplist/bottomlist or whichfalse
                    284:     # which false is randomized, toplist bottomlist are in order
                    285:     while ((($numinserted) < $max-1) && ($#falselist > -1)) {
                    286: 	&Apache::lonxml::debug("Have $#whichfalse max is $max");
1.51      albertel  287: 	my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
1.49      albertel  288: 	&Apache::lonxml::debug("From $#falselist elms, picking $afalse");
                    289: 	$afalse=splice(@falselist,$afalse,1);
                    290: 	&Apache::lonxml::debug("Picked $afalse");
                    291: 	&Apache::lonhomework::showhash(('names'=>\@names));
                    292: 	&Apache::lonhomework::showhash(%top);
                    293: 	if ($top{$afalse}) {
                    294: 	    $toplist[$top{$afalse}]=$afalse;
                    295: 	    $topcount++;
                    296: 	} elsif ($bottom{$afalse}) {
                    297: 	    $bottomlist[$bottom{$afalse}]=$afalse;
                    298: 	} else {
                    299: 	    push (@whichfalse,$afalse);
                    300: 	}
                    301:     }
                    302:     my $truename=$truelist[$whichtrue];
                    303:     my $dosplice=1;
                    304:     #insert the true statement, keeping track of where it wants to be
                    305:     if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
                    306: 	$toplist[$top{$truename}]=$truename;
                    307: 	$answer=-1;
                    308: 	foreach my $top (reverse(@toplist)) {
                    309: 	    if ($top) { $answer++;}
                    310: 	    if ($top eq $truename) { last; }
                    311: 	}
                    312: 	$dosplice=0;
                    313:     } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
                    314: 	$bottomlist[$bottom{$truename}]=$truename;
                    315: 	$answer=-1;
                    316: 	foreach my $bot (@bottomlist) {
                    317: 	    if ($bot) { $answer++;}
                    318: 	    if ($bot eq $truename) { last; }
                    319: 	}
                    320: 	$answer+=$topcount+$#whichfalse+1;
                    321: 	$dosplice=0;
                    322:     } else {
1.51      albertel  323: 	if ($topcount>0) { 
                    324: 	  $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
                    325: 	    + $topcount;
                    326: 	}
1.49      albertel  327:     }
                    328:     #add the top items to the top, bottom items to the bottom
                    329:     for (my $i=0;$i<=$#toplist;$i++) {
                    330: 	if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
                    331:     }
                    332:     for (my $i=0;$i<=$#bottomlist;$i++) {
                    333: 	if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.3       albertel  334:     }
1.49      albertel  335:     #if the true statement is randomized insert it into the list
                    336:     if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.22      albertel  337:   }
1.49      albertel  338:   &Apache::lonxml::debug("Answer is $answer");
                    339:   return ($answer,@whichfalse);
1.28      albertel  340: }
                    341: 
                    342: sub displayfoils {
1.49      albertel  343:   my ($target,$max,$randomize)=@_;
1.28      albertel  344:   my $result;
                    345: 
1.49      albertel  346:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.45      albertel  347:   if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
1.28      albertel  348:     foreach my $name (@whichfoils) {
1.38      sakharuk  349:       if ($target ne 'tex') {
                    350: 	  $result.="<br />";
1.44      sakharuk  351:       } else {
1.46      sakharuk  352: 	  $result.='\vskip 0 mm \item ';
1.38      sakharuk  353:       }
1.22      albertel  354:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
1.46      sakharuk  355: 	  if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: ';}
1.22      albertel  356:       } else {
1.45      albertel  357: 	$result.='Incorrect:';
                    358:       }
1.46      sakharuk  359:       if ($target ne 'tex') {
                    360: 	  $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    361:       } else {
                    362: 	  $result.=$Apache::response::foilgroup{$name.'.text'};
                    363:       }
1.45      albertel  364:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.46      sakharuk  365: 	  if ($target ne 'tex') { $result.='</b>';}
1.22      albertel  366:       }
1.10      albertel  367:     }
1.22      albertel  368:   } else {
1.56      sakharuk  369:     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');
                    370:     my $i = 0;
1.54      sakharuk  371:     my $temp=0;  
1.22      albertel  372:     my $id=$Apache::inputtags::response['-1'];
                    373:     my $part=$Apache::inputtags::part;
                    374:     my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  375:     my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.28      albertel  376:     foreach my $name (@whichfoils) {
1.38      sakharuk  377:       if ($target ne 'tex') {
                    378: 	  $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    379: 	  if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    380: 	  $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
1.55      albertel  381: 	  if ($Apache::lonhomework::type eq 'exam') {
                    382: 	      $result .= '<table border="1"><tr><td>A: &nbsp;&nbsp;Correct</td><td>B: &nbsp;&nbsp;Incorrect</td></tr></table>';
                    383: 	  }
1.38      sakharuk  384:       } else {
1.54      sakharuk  385: 	  if ($Apache::lonhomework::type eq 'exam') {
1.56      sakharuk  386: 	      $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';
                    387: 	      $i++;
                    388: 	  } else {
                    389: 	      $result .= '\item '.$Apache::response::foilgroup{$name.'.text'};
1.54      sakharuk  390: 	  }
1.38      sakharuk  391:       }
1.22      albertel  392:       $temp++;
1.10      albertel  393:     }
1.22      albertel  394:   }
1.44      sakharuk  395:   if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
1.39      albertel  396:   return $result;
1.14      albertel  397: }
                    398: 
1.28      albertel  399: sub displayanswers {
1.49      albertel  400:   my ($max,$randomize)=@_;
                    401:   my ($answer,@whichopt) = &whichfoils($max,$randomize);
1.28      albertel  402:   my $result=&Apache::response::answer_header('radiobuttonresponse');
                    403:   foreach my $name (@whichopt) {
                    404:     $result.=&Apache::response::answer_part('radiobuttonresponse',
                    405: 		     $Apache::response::foilgroup{$name.'.value'})
                    406:   }
                    407:   $result.=&Apache::response::answer_footer('radiobuttonresponse');
                    408:   return $result;
                    409: }
                    410: 
1.14      albertel  411: sub start_conceptgroup {
1.27      albertel  412:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.22      albertel  413:   $Apache::radiobuttonresponse::conceptgroup=1;
1.43      albertel  414:   %Apache::response::conceptgroup=();
1.26      albertel  415:   my $result;
                    416:   if ($target eq 'edit') {
                    417:     $result.=&Apache::edit::tag_start($target,$token);
                    418:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
1.35      matthew   419: 	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.26      albertel  420:   } elsif ($target eq 'modified') {
                    421:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    422: 						 $safeeval,'concept');
                    423:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    424:   }
                    425:   return $result;
1.14      albertel  426: }
                    427: 
                    428: sub end_conceptgroup {
1.22      albertel  429:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    430:   $Apache::radiobuttonresponse::conceptgroup=0;
1.26      albertel  431:   my $result;
1.38      sakharuk  432:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.27      albertel  433:     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
                    434:       my @names = @{ $Apache::response::conceptgroup{'names'} };
1.51      albertel  435:       my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1.27      albertel  436:       my $name=$names[$pick];
                    437:       push @{ $Apache::response::foilgroup{'names'} }, $name;
                    438:       $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
                    439:       $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
1.49      albertel  440:       $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
1.27      albertel  441:       my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    442:       $Apache::response::foilgroup{"$name.concept"} = $concept;
                    443:       &Apache::lonxml::debug("Selecting $name in $concept");
                    444:     }
1.26      albertel  445:   } elsif ($target eq 'edit') {
                    446:     $result=&Apache::edit::end_table();
1.22      albertel  447:   }
1.26      albertel  448:   return $result;
                    449: }
                    450: 
                    451: sub insert_conceptgroup {
                    452:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    453:   return $result;
1.1       albertel  454: }
                    455: 
                    456: sub start_foil {
1.24      albertel  457:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    458:   my $result='';
1.38      sakharuk  459:   if ($target eq 'web' || $target eq 'tex') {
1.27      albertel  460:     &Apache::lonxml::startredirection;
                    461:   } elsif ($target eq 'edit') {
                    462:     $result=&Apache::edit::tag_start($target,$token);
                    463:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.42      albertel  464:     $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
1.28      albertel  465: 				       ['unused','true','false'],$token);
1.51      albertel  466:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    467: 					     $safeeval,'-3');
1.53      albertel  468:     if ($randomize ne 'no') {
1.51      albertel  469:       $result.=&Apache::edit::select_arg('Location:','location',
1.52      albertel  470: 					 ['random','top','bottom'],$token);
1.51      albertel  471:     }
1.35      matthew   472:     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.27      albertel  473:   } elsif ($target eq 'modified') {
                    474:      my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.48      albertel  475: 						  'value','name','location');
1.27      albertel  476:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38      sakharuk  477:   } 
1.27      albertel  478:   return $result;
1.1       albertel  479: }
                    480: 
                    481: sub end_foil {
1.22      albertel  482:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    483:   my $text='';
1.38      sakharuk  484:   if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
                    485:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.19      albertel  486:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.18      albertel  487:     if ($value ne 'unused') {
1.19      albertel  488:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48      albertel  489:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.27      albertel  490:       if (!$name) { $name=$Apache::lonxml::curdepth; }
1.41      albertel  491:       if ( $Apache::radiobuttonresponse::conceptgroup
                    492: 	   && !&Apache::response::showallfoils() ) {
1.18      albertel  493: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    494: 	$Apache::response::conceptgroup{"$name.value"} = $value;
                    495: 	$Apache::response::conceptgroup{"$name.text"} = $text;	
1.48      albertel  496: 	$Apache::response::conceptgroup{"$name.location"} = $location;	
1.18      albertel  497:       } else {
                    498: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
                    499: 	$Apache::response::foilgroup{"$name.value"} = $value;
                    500: 	$Apache::response::foilgroup{"$name.text"} = $text;
1.48      albertel  501: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.18      albertel  502:       }
                    503:     }
1.4       albertel  504:   }
1.1       albertel  505:   return '';
                    506: }
                    507: 
1.27      albertel  508: sub insert_foil {
                    509:   return '
                    510: <foil name="" value="unused">
                    511: <startouttext />
                    512: <endouttext />
                    513: </foil>';
                    514: }
1.1       albertel  515: 1;
                    516: __END__
                    517:  

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