Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.84

1.22      albertel    1: # The LearningOnline Network with CAPA
                      2: # mutliple choice style responses
1.31      albertel    3: #
1.84    ! albertel    4: # $Id: radiobuttonresponse.pm,v 1.83 2004/03/05 22:59:48 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: #
1.1       albertel   28: 
                     29: package Apache::radiobuttonresponse;
                     30: use strict;
1.42      albertel   31: use HTML::Entities();
1.1       albertel   32: 
1.36      harris41   33: BEGIN {
1.83      albertel   34:     &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1       albertel   35: }
                     36: 
                     37: sub start_radiobuttonresponse {
1.83      albertel   38:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     39:     my $result;
                     40:     #when in a radiobutton response use these
                     41:     &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
                     42:     push (@Apache::lonxml::namespace,'radiobuttonresponse');
                     43:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     44:     %Apache::hint::radiobutton=();
                     45:     if ($target eq 'meta') {
                     46: 	$result=&Apache::response::meta_package_write('radiobuttonresponse');
                     47:     } elsif ($target eq 'edit' ) {
                     48: 	$result.=&Apache::edit::start_table($token).
                     49: 	    '<tr><td>'.&Apache::lonxml::description($token).
                     50: 	    &Apache::loncommon::help_open_topic('Radio_Response_Problems').
                     51: 	    "</td><td>Delete:".
                     52: 	    &Apache::edit::deletelist($target,$token)
                     53: 	    ."</td><td>&nbsp".&Apache::edit::end_row()
                     54: 	    .&Apache::edit::start_spanning_row();
                     55: 	$result.=
                     56: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
                     57: 				    $token,'4').
                     58: 	    &Apache::edit::select_arg('Randomize Foil Order','randomize',
                     59: 				      ['yes','no'],$token).
                     60: 				      &Apache::edit::end_row().
                     61: 				      &Apache::edit::start_spanning_row()."\n";
                     62:     } elsif ($target eq 'modified') {
                     63: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     64: 						     $safeeval,'max',
                     65: 						     'randomize');
                     66: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                     67:     } elsif ($target eq 'tex') {
                     68: 	my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
                     69: 					    undef,0);
                     70: 	if ($type eq '1') {
                     71: 	    $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
                     72: 	} elsif ($type eq 'A') {
                     73: 	    $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
                     74: 	} elsif ($type eq 'a') {
                     75: 	    $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
                     76: 	} elsif ($type eq 'i') {
                     77: 	    $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
                     78: 	}
                     79: 	$result .= '\begin{enumerate}';
                     80:     } elsif ($target eq 'analyze') {
                     81: 	my $part_id="$Apache::inputtags::part.$id";
                     82: 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
                     83:     }
                     84:     return $result;
1.1       albertel   85: }
                     86: 
                     87: sub end_radiobuttonresponse {
1.83      albertel   88:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     89:     my $result;
                     90:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     91:     if ($target eq 'tex') { $result .= '\end{enumerate}'; }
                     92:     &Apache::response::end_response;
                     93:     pop @Apache::lonxml::namespace;
                     94:     &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
                     95:     return $result;
1.1       albertel   96: }
                     97: 
1.43      albertel   98: %Apache::response::foilgroup=();
1.1       albertel   99: sub start_foilgroup {
1.83      albertel  100:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    101:     my $result;
                    102:     %Apache::response::foilgroup=();
                    103:     $Apache::radiobuttonresponse::conceptgroup=0;
                    104:     &Apache::response::setrandomnumber();
                    105:     if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    106: 	$result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
                    107:     }
                    108:     return $result;
1.5       albertel  109: }
                    110: 
1.15      albertel  111: sub storesurvey {
1.83      albertel  112:     if ( !defined($ENV{'form.submitted'})) { return ''; }
                    113:     my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
                    114:     &Apache::lonxml::debug("Here I am!:$response:");
                    115:     if ( $response !~ /[0-9]+/) { return ''; }
                    116:     my $id = $Apache::inputtags::response['-1'];
                    117:     my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
                    118:     my %responsehash;
                    119:     $responsehash{$whichfoils[$response]}=$response;
                    120:     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
                    121:     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
                    122:     &Apache::lonxml::debug("submitted a $response<br />\n");
                    123:     return '';
1.15      albertel  124: }
                    125: 
1.32      albertel  126: sub grade_response {
1.83      albertel  127:     my ($max,$randomize)=@_;
                    128:     #keep the random numbers the same must always call this
                    129:     my ($answer,@whichfoils)=&whichfoils($max,$randomize);
                    130:     if (!defined($ENV{'form.submitted'})) { return; }
                    131:     my $response;
                    132:     if ($ENV{'form.submitted'} eq 'scantron') {
                    133: 	$response=&Apache::response::getresponse();
                    134:     } else {
                    135: 	$response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
                    136:     }
                    137:     if ( $response !~ /[0-9]+/) { return; }
                    138:     my $part=$Apache::inputtags::part;
                    139:     my $id = $Apache::inputtags::response['-1'];
                    140:     my %responsehash;
                    141:     $responsehash{$whichfoils[$response]}=$response;
                    142:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    143:     my %previous=&Apache::response::check_for_previous($responsestr,
                    144: 						       $part,$id);
                    145:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    146: 	$responsestr;
                    147:     &Apache::lonxml::debug("submitted a $response<br />\n");
                    148:     my $ad;
                    149:     if ($response == $answer) {
                    150: 	$ad='EXACT_ANS';
                    151:     } else {
                    152: 	$ad='INCORRECT';
                    153:     }
                    154:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    155:     &Apache::response::handle_previous(\%previous,$ad);
1.32      albertel  156: }
                    157: 
1.1       albertel  158: sub end_foilgroup {
1.83      albertel  159:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29      albertel  160: 
1.83      albertel  161:     my $result;
                    162:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
                    163: 	$target eq 'tex' || $target eq 'analyze') {
                    164: 	my $style = $Apache::lonhomework::type;
                    165: 	if ( $style eq 'survey'  && $target ne 'analyze') {
                    166: 	    if ($target eq 'web' || $target eq 'tex') {
                    167: 		$result=&displayallfoils();
                    168: 	    } elsif ( $target eq 'answer' ) {
                    169: 		$result=&displayallanswers();
                    170: 	    } elsif ( $target eq 'grade' ) {
                    171: 		$result=&storesurvey();
                    172: 	    }
                    173: 	} else {
                    174: 	    my $name;
                    175: 	    my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
                    176: 						 '-2');
                    177: 	    my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    178: 						       $safeeval,'-2');
                    179: 	    if ($target eq 'web' || $target eq 'tex') {
                    180: 		$result=&displayfoils($target,$max,$randomize);
                    181: 	    } elsif ($target eq 'answer' ) {
                    182: 		$result=&displayanswers($max,$randomize);
                    183: 	    } elsif ( $target eq 'grade') {
                    184: 		&grade_response($max,$randomize);
                    185: 	    }  elsif ( $target eq 'analyze') {
                    186: 		my @shown = &whichfoils($max,$randomize);
                    187: 		&Apache::response::analyze_store_foilgroup(\@shown,
                    188: 							   ['text','value','location']);
                    189: 		my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    190: 		push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
                    191: 		      ('true','false'));
                    192: 	    }
1.81      albertel  193: 	}
1.83      albertel  194:     }
                    195:     &Apache::lonxml::increment_counter();
                    196:     return $result;
1.6       albertel  197: }
                    198: 
                    199: sub getfoilcounts {
1.83      albertel  200:     my @names;
                    201:     my $truecnt=0;
                    202:     my $falsecnt=0;
                    203:     my $name;
                    204:     if ( $Apache::response::foilgroup{'names'} ) {
                    205: 	@names= @{ $Apache::response::foilgroup{'names'} };
1.6       albertel  206:     }
1.83      albertel  207:     foreach $name (@names) {
                    208: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    209: 	    $truecnt++;
                    210: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    211: 	    $falsecnt++;
                    212: 	}
                    213:     }
                    214:     return ($truecnt,$falsecnt);
1.5       albertel  215: }
                    216: 
1.15      albertel  217: sub displayallfoils {
1.83      albertel  218:     my $result;
                    219:     &Apache::lonxml::debug("survey style display");
                    220:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    221:     my $temp=0;
                    222:     my $id=$Apache::inputtags::response['-1'];
                    223:     my $part=$Apache::inputtags::part;
                    224:     my $lastresponse=
                    225: 	$Apache::lonhomework::history{"resource.$part.$id.submission"};
                    226:     my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
                    227:     if (&Apache::response::show_answer() ) {
                    228: 	foreach my $name (@names) {
                    229: 	    if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.84    ! albertel  230: 		$result.="<br />";
        !           231: 		if (defined($lastresponse{$name})) {
1.83      albertel  232: 		    $result.='<b>';
                    233: 		}
                    234: 		$result .= $Apache::response::foilgroup{$name.'.text'};
1.84    ! albertel  235: 		if (defined($lastresponse{$name})) {
1.83      albertel  236: 		    $result.='</b>';
                    237: 		}
                    238: 	    }
1.45      albertel  239: 	}
1.83      albertel  240:     } else {
                    241: 	foreach my $name (@names) {
                    242: 	    if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    243: 		$result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    244: 		if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    245: 		$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    246: 		$temp++;
                    247: 	    }
1.45      albertel  248: 	}
                    249:     }
1.83      albertel  250:     return $result;
1.15      albertel  251: }
                    252: 
1.28      albertel  253: sub whichfoils {
1.83      albertel  254:     my ($max,$randomize)=@_;
1.28      albertel  255: 
1.83      albertel  256:     my @truelist;
                    257:     my @falselist;
                    258:     my @whichfalse =();
                    259:     my ($truecnt,$falsecnt) = &getfoilcounts();
                    260:     my $count=0;
                    261:     # we will add in 1 of the true statements
                    262:     if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
                    263:     my $answer=int(&Math::Random::random_uniform() * ($count));
                    264:     &Apache::lonxml::debug("Count is $count, $answer is $answer");
                    265:     my @names;
                    266:     if ( $Apache::response::foilgroup{'names'} ) {
                    267: 	@names= @{ $Apache::response::foilgroup{'names'} };
                    268:     }
                    269:     if (&Apache::response::showallfoils()) {
                    270: 	@whichfalse=@names;
                    271:     } elsif ($randomize eq 'no') {
                    272: 	&Apache::lonxml::debug("No randomization");
                    273: 	my $havetrue=0;
                    274: 	foreach my $name (@names) {
                    275: 	    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    276: 		if (!$havetrue ) {
                    277: 		    push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
                    278: 		}
                    279: 	    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    280: 		push (@whichfalse,$name);
                    281: 	    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    282: 	    } else {
                    283: 		&Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    284: 	    }
                    285: 	}
                    286:     } else {
                    287: 	my $current=0;
                    288: 	&Apache::lonhomework::showhash(%Apache::response::foilgroup);
                    289: 	my (%top,%bottom);
                    290: 	#first find out where everyone wants to be
                    291: 	foreach my $name (@names) {
                    292: 	    $current++;
                    293: 	    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    294: 		push (@truelist,$name);
                    295: 		if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    296: 		    $top{$name}=$current;
                    297: 		} elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    298: 		    $bottom{$name}=$current;
                    299: 		}
                    300: 	    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    301: 		push (@falselist,$name);
                    302: 		if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    303: 		    $top{$name}=$current;
                    304: 		} elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    305: 		    $bottom{$name}=$current;
                    306: 		}
                    307: 	    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    308: 	    } else {
                    309: 		&Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    310: 	    }
                    311: 	}
                    312: 	#pick a true statement
                    313: 	my $notrue=0;
                    314: 	if (scalar(@truelist) == 0) { $notrue=1; }
                    315: 	my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
                    316: 	&Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
                    317: 	my (@toplist, @bottomlist);
                    318: 	my $topcount=0;
                    319: 	my $bottomcount=0;
                    320: 	# assign everyone to either toplist/bottomlist or whichfalse
                    321: 	# which false is randomized, toplist bottomlist are in order
                    322: 	while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
                    323: 	    &Apache::lonxml::debug("Have $#whichfalse max is $max");
                    324: 	    my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
                    325: 	    &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
                    326: 	    $afalse=splice(@falselist,$afalse,1);
                    327: 	    &Apache::lonxml::debug("Picked $afalse");
                    328: 	    &Apache::lonhomework::showhash(('names'=>\@names));
                    329: 	    &Apache::lonhomework::showhash(%top);
                    330: 	    if ($top{$afalse}) {
                    331: 		$toplist[$top{$afalse}]=$afalse;
                    332: 		$topcount++;
                    333: 	    } elsif ($bottom{$afalse}) {
                    334: 		$bottomlist[$bottom{$afalse}]=$afalse;
                    335: 		$bottomcount++;
                    336: 	    } else {
                    337: 		push (@whichfalse,$afalse);
                    338: 	    }
                    339: 	}
                    340: 	&Apache::lonxml::debug("Answer wants $answer");
                    341: 	my $truename=$truelist[$whichtrue];
                    342: 	my $dosplice=1;
                    343: 	if ($notrue && $Apache::lonhomework::type ne 'survey') {
                    344: 	    $dosplice=0;
                    345: 	    &Apache::lonxml::error("There are no true statements available.<br />");
                    346: 	}
                    347: 	#insert the true statement, keeping track of where it wants to be
                    348: 	if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
                    349: 	    $toplist[$top{$truename}]=$truename;
                    350: 	    $answer=-1;
                    351: 	    foreach my $top (reverse(@toplist)) {
                    352: 		if ($top) { $answer++;}
                    353: 		if ($top eq $truename) { last; }
1.49      albertel  354: 	    }
1.83      albertel  355: 	    $dosplice=0;
                    356: 	} elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
                    357: 	    $bottomlist[$bottom{$truename}]=$truename;
                    358: 	    $answer=-1;
                    359: 	    foreach my $bot (@bottomlist) {
                    360: 		if ($bot) { $answer++;}
                    361: 		if ($bot eq $truename) { last; }
1.49      albertel  362: 	    }
1.83      albertel  363: 	    $answer+=$topcount+$#whichfalse+1;
                    364: 	    $dosplice=0;
1.49      albertel  365: 	} else {
1.83      albertel  366: 	    if ($topcount>0 || $bottomcount>0) {
                    367: 		$answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
                    368: 		    + $topcount;
                    369: 	    }
                    370: 	}
                    371: 	&Apache::lonxml::debug("Answer now wants $answer");
                    372: 	#add the top items to the top, bottom items to the bottom
                    373: 	for (my $i=0;$i<=$#toplist;$i++) {
                    374: 	    if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49      albertel  375: 	}
1.83      albertel  376: 	for (my $i=0;$i<=$#bottomlist;$i++) {
                    377: 	    if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49      albertel  378: 	}
1.83      albertel  379: 	#if the true statement is randomized insert it into the list
                    380: 	if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49      albertel  381:     }
1.83      albertel  382:     &Apache::lonxml::debug("Answer is $answer");
                    383:     return ($answer,@whichfalse);
1.28      albertel  384: }
                    385: 
                    386: sub displayfoils {
1.83      albertel  387:     my ($target,$max,$randomize)=@_;
                    388:     my $result;
1.28      albertel  389: 
1.83      albertel  390:     my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22      albertel  391:     my $part=$Apache::inputtags::part;
1.83      albertel  392:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    393:     if ( ($target ne 'tex') &&
                    394: 	 &Apache::response::show_answer() ) {
                    395: 	foreach my $name (@whichfoils) {
                    396: 	    if ($target ne 'tex') {
                    397: 		$result.="<br />";
                    398: 	    } else {
                    399: 		$result.='\item \vskip -2 mm  ';
                    400: 	    }
                    401: 	    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
                    402: 		if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
                    403: 	    } else {
                    404: 		$result.='Incorrect:';
                    405: 	    }
                    406: 	    if ($target ne 'tex') {
                    407: 		$result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    408: 	    } else {
                    409: 		$result.=$Apache::response::foilgroup{$name.'.text'};
                    410: 	    }
                    411: 	    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    412: 		if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
                    413: 	    }
                    414: 	}
                    415:     } else {
                    416: 	my @alphabet = ('A'..'Z');
                    417: 	my $i = 0;
                    418: 	my $temp=0;  
                    419: 	my $id=$Apache::inputtags::response['-1'];
                    420: 	my $part=$Apache::inputtags::part;
                    421: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
                    422: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
                    423: 	foreach my $name (@whichfoils) {
                    424: 	    if ($target ne 'tex') {
                    425: 		$result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    426: 		if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    427: 		$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    428: 	    } else {
                    429: 		if ($Apache::lonhomework::type eq 'exam') {
                    430: 		    $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
                    431: 		    $i++;
                    432: 		} else {
                    433: 		    $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
                    434: 		}
                    435: 	    }
                    436: 	    $temp++;
                    437: 	}
                    438:     }
                    439:     if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
                    440:     return $result;
1.81      albertel  441: }
                    442: 
                    443: sub displayallanswers {
                    444:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    445:   
                    446:     my $result=&Apache::response::answer_header('radiobuttonresponse');
                    447:     foreach my $name (@names) {
                    448: 	$result.=&Apache::response::answer_part('radiobuttonresponse',
                    449: 				$Apache::response::foilgroup{$name.'.value'});
                    450:     }
                    451:     $result.=&Apache::response::answer_footer('radiobuttonresponse');
                    452:     return $result;
1.14      albertel  453: }
                    454: 
1.28      albertel  455: sub displayanswers {
1.83      albertel  456:     my ($max,$randomize)=@_;
                    457:     my ($answer,@whichopt) = &whichfoils($max,$randomize);
                    458:     my $result=&Apache::response::answer_header('radiobuttonresponse');
                    459:     foreach my $name (@whichopt) {
                    460: 	$result.=&Apache::response::answer_part('radiobuttonresponse',
                    461: 						$Apache::response::foilgroup{$name.'.value'})
                    462: 	}
                    463:     $result.=&Apache::response::answer_footer('radiobuttonresponse');
                    464:     return $result;
1.28      albertel  465: }
                    466: 
1.14      albertel  467: sub start_conceptgroup {
1.83      albertel  468:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    469:     $Apache::radiobuttonresponse::conceptgroup=1;
                    470:     %Apache::response::conceptgroup=();
                    471:     my $result;
                    472:     if ($target eq 'edit') {
                    473: 	$result.=&Apache::edit::tag_start($target,$token);
                    474: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    475: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    476:     } elsif ($target eq 'modified') {
                    477: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    478: 						     $safeeval,'concept');
                    479: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    480:     }
                    481:     return $result;
1.14      albertel  482: }
                    483: 
                    484: sub end_conceptgroup {
1.83      albertel  485:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    486:     $Apache::radiobuttonresponse::conceptgroup=0;
                    487:     my $result;
                    488:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  ||
                    489: 	$target eq 'tex' || $target eq 'analyze') {
                    490: 	&Apache::response::pick_foil_for_concept($target,
                    491: 						 ['value','text','location'],
                    492: 						 \%Apache::hint::radiobutton,
                    493: 						 $parstack,$safeeval);
                    494:     } elsif ($target eq 'edit') {
                    495: 	$result=&Apache::edit::end_table();
                    496:     }
                    497:     return $result;
1.26      albertel  498: }
                    499: 
                    500: sub insert_conceptgroup {
1.83      albertel  501:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    502:     return $result;
1.1       albertel  503: }
                    504: 
                    505: sub start_foil {
1.83      albertel  506:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    507:     my $result='';
                    508:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
                    509: 	&Apache::lonxml::startredirection;
                    510:     } elsif ($target eq 'edit') {
                    511: 	$result=&Apache::edit::tag_start($target,$token);
                    512: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    513: 	$result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
                    514: 						   ['unused','true','false'],
                    515: 						   $token);
                    516: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    517: 						 $safeeval,'-3');
                    518: 	if ($randomize ne 'no') {
                    519: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    520: 					       ['random','top','bottom'],$token);
                    521: 	}
                    522: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    523:     } elsif ($target eq 'modified') {
                    524: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    525: 						     $safeeval,'value','name',
                    526: 						     'location');
                    527: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    528:     } 
                    529:     return $result;
1.1       albertel  530: }
                    531: 
                    532: sub end_foil {
1.83      albertel  533:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    534:     my $text='';
                    535:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
                    536: 	$text=&Apache::lonxml::endredirection;
                    537:     }
                    538:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex' || $target eq 'analyze') {
                    539: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    540: 	if ($value ne 'unused') {
                    541: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    542: 	    my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
                    543: 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
                    544: 	    if ( $Apache::radiobuttonresponse::conceptgroup
                    545: 		 && !&Apache::response::showallfoils() ) {
                    546: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    547: 		$Apache::response::conceptgroup{"$name.value"} = $value;
                    548: 		$Apache::response::conceptgroup{"$name.text"} = $text;	
                    549: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    550: 	    } else {
                    551: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    552: 		$Apache::response::foilgroup{"$name.value"} = $value;
                    553: 		$Apache::response::foilgroup{"$name.text"} = $text;
                    554: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    555: 	    }
                    556: 	}
1.18      albertel  557:     }
1.83      albertel  558:     return '';
1.1       albertel  559: }
                    560: 
1.27      albertel  561: sub insert_foil {
1.83      albertel  562:     return '
1.27      albertel  563: <foil name="" value="unused">
                    564: <startouttext />
                    565: <endouttext />
                    566: </foil>';
                    567: }
1.1       albertel  568: 1;
                    569: __END__
                    570:  

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