Annotation of loncom/homework/optionresponse.pm, revision 1.138

1.46      sakharuk    1: # LearningOnline Network with CAPA
1.22      albertel    2: # option list style responses
1.27      albertel    3: #
1.138   ! albertel    4: # $Id: optionresponse.pm,v 1.137 2007/02/22 01:25:31 albertel Exp $
1.27      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: package Apache::optionresponse;
                     29: use strict;
1.103     albertel   30: use Apache::response();
                     31: use Apache::lonlocal;
1.125     albertel   32: use Apache::lonnet;
1.1       albertel   33: 
1.31      harris41   34: BEGIN {
1.1       albertel   35:   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
                     36: }
                     37: 
                     38: sub start_optionresponse {
1.22      albertel   39:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     40:   my $result='';
1.29      albertel   41:   #when in a option response use these
1.112     sakharuk   42:   &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22      albertel   43:   push (@Apache::lonxml::namespace,'optionresponse');
                     44:   my $id = &Apache::response::start_response($parstack,$safeeval);
1.57      albertel   45:   %Apache::hint::option=();
1.103     albertel   46:   undef(%Apache::response::foilnames);
1.22      albertel   47:   if ($target eq 'edit') {
1.23      albertel   48:     $result.=&Apache::edit::start_table($token).
1.98      www        49: 	"<tr><td>Multiple Option Response Question ".
                     50: 	&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td><td>Delete:".
1.23      albertel   51: 	&Apache::edit::deletelist($target,$token)
1.30      matthew    52: 	."</td><td>&nbsp;".
                     53:         &Apache::edit::end_row().
                     54:         &Apache::edit::start_spanning_row().
                     55:         "\n";
1.48      albertel   56:     $result.=&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).
1.108     albertel   60:         &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
                     61: 				  [['horizontal',&mt('Normal list')],
                     62: 				   ['vertical',&mt('Listed in a vertical column')]],$token).
1.48      albertel   63:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.34      albertel   64:   } elsif ($target eq 'modified') {
1.23      albertel   65:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.108     albertel   66: 						 $safeeval,'max','randomize',
                     67: 						 'TeXlayout');
1.22      albertel   68:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.34      albertel   69:   } elsif ($target eq 'meta') {
1.23      albertel   70:     $result=&Apache::response::meta_package_write('optionresponse');
1.34      albertel   71:   } elsif ($target eq 'analyze') {
1.93      albertel   72:     my $part_id="$Apache::inputtags::part.$id";
1.34      albertel   73:     push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.22      albertel   74:   }
                     75:   return $result;
1.1       albertel   76: }
                     77: 
                     78: sub end_optionresponse {
1.22      albertel   79:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     80:   &Apache::response::end_response;
                     81:   pop @Apache::lonxml::namespace;
1.112     sakharuk   82:   &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22      albertel   83:   my $result;
                     84:   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.103     albertel   85:   undef(%Apache::response::foilnames);
1.22      albertel   86:   return $result;
1.1       albertel   87: }
                     88: 
1.44      albertel   89: %Apache::response::foilgroup=();
1.1       albertel   90: sub start_foilgroup {
1.22      albertel   91:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     92: 
                     93:   my $result='';
1.44      albertel   94:   %Apache::response::foilgroup=();
1.22      albertel   95:   $Apache::optionresponse::conceptgroup=0;
1.110     albertel   96:   &Apache::response::pushrandomnumber();
1.22      albertel   97:   if ($target eq 'edit') {
                     98:     my $optionlist="<option></option>\n";
                     99:     my $option;
                    100:     my @opt;
                    101:     eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
                    102:     my $count=1;
                    103:     foreach $option (@opt) {
                    104:       $optionlist.="<option value=\"$count\">$option</option>\n";
                    105:       $count++;
                    106:     }
                    107:     my $insertlist=&Apache::edit::insertlist($target,$token);
                    108:     $result.=&Apache::edit::start_table($token);
                    109:     $result.= (<<ENDTABLE);
                    110:       <tr><td>Select Options</td>
1.13      albertel  111:         <td>
                    112: 	  Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
                    113:         </td>
                    114:         <td>Delete an Option:
                    115: 	  <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
                    116: ENDTABLE
1.132     albertel  117:     $result.= &Apache::edit::checked_arg('Print options:','texoptions',
                    118: 					 [ ['nochoice','Don\'t show option list'] ]
                    119: 					 ,$token);
1.30      matthew   120:     $result.= &Apache::edit::end_row();
                    121:     $result.= &Apache::edit::start_spanning_row();
                    122:     $result.= $insertlist.'<br />';
1.22      albertel  123:   }
                    124:   if ($target eq 'modified') {
                    125:     my @options;
                    126:     my $optchanged=0;
                    127:     eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.125     albertel  128:     if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
                    129:       my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
1.22      albertel  130:       &Apache::lonxml::debug("Deleting :$delopt:");
                    131:       splice(@options,$delopt-1,1);
                    132:       $optchanged=1;
                    133:     }
1.125     albertel  134:     if ($env{"form.$Apache::lonxml::curdepth.options"}) {
                    135:       my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
1.22      albertel  136:       if ($options[0]) {
                    137: 	push(@options,$newopt);
                    138:       } else {
                    139: 	$options[0]=$newopt;
                    140:       }
                    141:       $optchanged=1;
                    142:     }
1.132     albertel  143:     my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
                    144: 						 ('texoptions'));
                    145:     if ($optchanged || $rebuildtag ) {
1.22      albertel  146:       $result = "<foilgroup options=\"(";
                    147:       foreach my $option (@options) {
1.41      albertel  148: 	$option=~s/\'/\\\'/g;
1.22      albertel  149: 	&Apache::lonxml::debug("adding option :$option:");
                    150: 	$result .="'".$option."',";
                    151:       }
                    152:       chop $result;
1.132     albertel  153:       $result.=')" ';
                    154:       $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
                    155:       $result .= '>';
1.22      albertel  156:     } # else nothing changed so just use the default mechanism
                    157:   }
1.68      sakharuk  158:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.109     albertel  159:       $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
                    160:                    \begin{enumerate} ';
1.42      sakharuk  161:   }
1.22      albertel  162:   return $result;
1.1       albertel  163: }
                    164: 
                    165: sub end_foilgroup {
1.22      albertel  166:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    167:   
                    168:   my $result;
1.94      albertel  169:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
                    170:       $target eq 'tex' || $target eq 'analyze') {
1.81      sakharuk  171:     my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
1.22      albertel  172:     my $name;
                    173:     my @opt;
                    174:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.126     albertel  175:     &Apache::lonxml::debug("options:".join(':',@opt));
                    176: 
1.108     albertel  177:     my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
                    178: 					     -2,0);
1.81      sakharuk  179:     if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
1.22      albertel  180:     &Apache::lonxml::debug("Options are $#opt");
1.48      albertel  181:     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    182:     my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    183: 					       $safeeval,'-2');
1.32      sakharuk  184:     if ($target eq 'web' || $target eq 'tex') {
1.107     sakharuk  185:       $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
1.137     albertel  186:       $Apache::lonxml::post_evaluate=0;
1.25      albertel  187:     } elsif ( $target eq 'answer') {
1.48      albertel  188:       $result.=&displayanswers($max,$randomize,@opt);
1.136     foxr      189:       
1.34      albertel  190:     } elsif ( $target eq 'analyze') {
1.93      albertel  191: 	my @shown = &whichfoils($max,$randomize);
1.94      albertel  192: 	&Apache::response::analyze_store_foilgroup(\@shown,
                    193: 						  ['text','value','location']);
1.93      albertel  194: 	my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    195: 	push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
1.22      albertel  196:     } elsif ( $target eq 'grade') {
1.124     albertel  197:       if ( &Apache::response::submitted()) {
1.48      albertel  198: 	my @whichopt = &whichfoils($max,$randomize);
1.22      albertel  199: 	my $temp=1;my $name;
1.26      albertel  200: 	my %responsehash;
1.57      albertel  201: 	my %grade;
1.22      albertel  202: 	my $right=0;
                    203: 	my $wrong=0;
                    204: 	my $ignored=0;
                    205: 	foreach $name (@whichopt) {
1.74      albertel  206: 	  my $response=&Apache::response::getresponse($temp);
1.125     albertel  207: 	  if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
1.74      albertel  208: 	      $response = $opt[$response];
                    209: 	  }
1.22      albertel  210: 	  if ( $response =~ /[^\s]/) {
1.96      albertel  211: 	    $responsehash{$name}=$response;
1.22      albertel  212: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
1.34      albertel  213: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
1.57      albertel  214: 	    if ($value eq $response) {
                    215: 		$grade{$name}='1'; $right++;
                    216: 	    } else {
                    217: 		$grade{$name}='0'; $wrong++;
                    218: 	    }
1.22      albertel  219: 	  } else {
                    220: 	    $ignored++;
                    221: 	  }
                    222: 	  $temp++;
                    223: 	}
1.28      albertel  224: 	my $part=$Apache::inputtags::part;
1.22      albertel  225: 	my $id = $Apache::inputtags::response['-1'];
1.28      albertel  226: 	my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.57      albertel  227: 	my $gradestr   =&Apache::lonnet::hash2str(%grade);
1.28      albertel  228: 	my %previous=&Apache::response::check_for_previous($responsestr,
                    229: 							   $part,$id);
1.22      albertel  230: 	&Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
1.75      albertel  231: 	$Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    232: 	    $responsestr;
                    233: 	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    234: 	
1.121     albertel  235: 	if ($Apache::lonhomework::type eq 'survey') {
                    236: 	    if ($ignored == 0) {
                    237: 		my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
                    238: 		&Apache::response::handle_previous(\%previous,$ad);
                    239: 	    } elsif ($wrong==0 && $right==0) {
                    240: 	    } else {
                    241: 		my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
                    242: 		&Apache::response::handle_previous(\%previous,$ad);
                    243: 	    }
                    244: 	} elsif (!$Apache::lonhomework::scantronmode) {
1.75      albertel  245: 	    my $ad;
                    246: 	    if ($wrong==0 && $ignored==0) {
                    247: 		$ad='EXACT_ANS';
                    248: 	    } elsif ($wrong==0 && $right==0) {
                    249: 		#nothing submitted
                    250: 	    } else {
                    251: 		if ($ignored==0) {
                    252: 		    $ad='INCORRECT';
                    253: 		} else {
                    254: 		    $ad='MISSING_ANSWER';
                    255: 		}
                    256: 	    }
                    257: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    258: 	    &Apache::response::handle_previous(\%previous,$ad);
1.22      albertel  259: 	} else {
1.75      albertel  260: 	    my $ad;
                    261: 	    if ($wrong==0 && $right==0) {
1.120     albertel  262: 		#nothing submitted only assign a score if we 
                    263: 		#need to override a previous grade
                    264: 		if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
                    265: 		    $ad='ASSIGNED_SCORE';
                    266: 		}
1.75      albertel  267: 	    } else {
                    268: 		$ad='ASSIGNED_SCORE';
                    269: 	    }
                    270: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    271: 	    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
                    272: 		$right/(scalar(@whichopt));
1.76      albertel  273: 	    $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
                    274: 		scalar(@whichopt);
1.1       albertel  275: 	}
1.22      albertel  276:       }
1.1       albertel  277:     }
1.92      sakharuk  278:     &Apache::lonxml::increment_counter(&getfoilcounts($max));
1.25      albertel  279:   } elsif ($target eq 'edit') {
1.22      albertel  280:     $result.=&Apache::edit::end_table();
1.74      albertel  281:   }
                    282:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
                    283:       $result .= '\end{enumerate}';
                    284:   }
1.110     albertel  285:   &Apache::response::poprandomnumber();
1.22      albertel  286:   return $result;
1.1       albertel  287: }
                    288: 
                    289: sub getfoilcounts {
1.48      albertel  290:   my ($max)=@_;
1.22      albertel  291:   # +1 since instructors will count from 1
                    292:   my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.39      albertel  293:   if (&Apache::response::showallfoils()) { $max=$count; }
1.48      albertel  294:   if ($count>$max) { $count=$max } 
                    295:   &Apache::lonxml::debug("Count is $count from $max");
                    296:   return $count;
1.1       albertel  297: }
                    298: 
                    299: sub whichfoils {
1.77      albertel  300:     my ($max,$randomize)=@_;
                    301:     return &Apache::response::whichorder($max,$randomize,
                    302: 					 &Apache::response::showallfoils(),
                    303: 					 \%Apache::response::foilgroup);
1.1       albertel  304: }
                    305: 
1.25      albertel  306: sub displayanswers {
1.130     albertel  307:     my ($max,$randomize,@opt)=@_;
                    308:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
                    309:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    310:     my @whichopt = &whichfoils($max,$randomize);
                    311:     my $result;
                    312:     if ($Apache::lonhomework::type eq 'exam') {
                    313: 	my $i = 0;
                    314: 	my %opt = map { ($_,$i++) } @opt;
                    315: 	
                    316: 	$i = 0;
                    317: 	my @alphabet = ('A'..'Z');
                    318: 	foreach my $name (@whichopt) {
                    319: 	    $result.=&Apache::response::answer_header('optionresponse',$i++);
                    320: 	    $result.=&Apache::response::answer_part('optionresponse',
                    321: 						    $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
                    322: 	    $result.=&Apache::response::answer_part('optionresponse',
                    323: 						    $Apache::response::foilgroup{$name.'.value'});
                    324: 	    $result.=&Apache::response::answer_footer('optionresponse');
                    325: 	}
                    326:     } else {
                    327: 	$result=&Apache::response::answer_header('optionresponse');
                    328: 	foreach my $name (@whichopt) {
                    329: 	    $result.=&Apache::response::answer_part('optionresponse',
                    330: 						    $Apache::response::foilgroup{$name.'.value'});
                    331: 	}
                    332: 	$result.=&Apache::response::answer_footer('optionresponse');
                    333:     }
                    334:     return $result;
1.25      albertel  335: }
                    336: 
1.106     albertel  337: sub check_for_invalid {
                    338:     my ($names,$options) = @_;
                    339:     my %bad_names;
                    340:     foreach my $name (@{ $names }) {
                    341: 	my $value=$Apache::response::foilgroup{$name.'.value'};
                    342: 	my $found=0;
                    343: 	foreach my $option (@{ $options }) {
                    344: 	    if ($value eq $option) { $found=1; }
                    345: 	}
                    346: 	if (!$found) { $bad_names{$name}=$value; }
                    347:     }
                    348:     if (%bad_names) {
                    349: 	my $error=&mt('The question can not be gotten correct, '.
                    350: 	    'the following foils in the &lt;optionresponse&gt; '.
                    351: 	    'have invalid correct options').' <br /><tt>'.
                    352: 	    join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
                    353: 	    "</tt>";
                    354: 	&Apache::lonxml::error($error);
                    355:     }
                    356: }
                    357: 
1.138   ! albertel  358: sub setup_prior_tries_hash {
        !           359:     my ($whichopt) = @_;
        !           360:     my $part=$Apache::inputtags::part;
        !           361:     my $id=$Apache::inputtags::response[-1];	
        !           362:     foreach my $i (1..$Apache::lonhomework::history{'version'}) {
        !           363: 	my $key = "$i:resource.$part.$id.submission";
        !           364: 	next if (!exists($Apache::lonhomework::history{"$key"}));
        !           365: 	my %lastresponse=
        !           366: 	    &Apache::lonnet::str2hash($Apache::lonhomework::history{$key});
        !           367: 	my $output;
        !           368: 	foreach my $name (@$whichopt) {
        !           369: 	    next if (!defined($lastresponse{$name}));
        !           370: 	    $output .= '<td>'.$lastresponse{$name}.'</td>';
        !           371: 	}
        !           372: 	next if (!defined($output));
        !           373: 	$output =
        !           374: 	    '<table class="LC_optres_prior"><tr>'.$output.'</tr></table>';
        !           375: 	$Apache::inputtags::submission_display{$key} = $output;
        !           376:     }
        !           377: }
        !           378: 
1.1       albertel  379: sub displayfoils {
1.107     sakharuk  380:   my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
1.67      albertel  381:   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
1.22      albertel  382:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    383:   my @truelist;
                    384:   my @falselist;
1.79      sakharuk  385:   my $result;  
1.22      albertel  386:   my $name;
1.101     albertel  387:   my $displayoptionintex=1;
1.72      sakharuk  388:   my @alphabet = ('A'..'Z');
1.48      albertel  389:   my @whichopt = &whichfoils($max,$randomize);
1.106     albertel  390:   &check_for_invalid(\@whichopt,\@opt);
1.28      albertel  391:   my $part=$Apache::inputtags::part;
                    392:   my $id=$Apache::inputtags::response[-1];
1.62      albertel  393:   my $break;
1.65      albertel  394:   my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
1.86      albertel  395:   if ( ($target ne 'tex') &&
                    396:        &Apache::response::show_answer() ) {
1.90      albertel  397:     my $temp=1;
1.22      albertel  398:     foreach $name (@whichopt) {
1.62      albertel  399: 	my $text=$Apache::response::foilgroup{$name.'.text'};
1.90      albertel  400: 	my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
                    401: 	my $lastopt=$lastresponse{$name};
1.101     albertel  402: 	if ($text!~/^\s*$/) { $break='<br />'; }
1.62      albertel  403: 	$result.=$break;
1.113     sakharuk  404: 	if ($target eq 'web') {
1.62      albertel  405: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
                    406: 	    if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
                    407: 		if ($text=~/^\s*$/) {
                    408: 		    $text=$value.$text;
                    409: 		} else {
1.127     albertel  410: 		    $text='<b>'.$value.':</b> '.$text;
1.62      albertel  411: 		}
1.95      albertel  412: 	    } else {
                    413: 		$text='&#149;'.$text;
1.62      albertel  414: 	    }
                    415: 	    $result.=$text."\n";
1.112     sakharuk  416: 	}
1.58      sakharuk  417:       if ($Apache::lonhomework::type eq 'exam') {
1.90      albertel  418: 	  $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.58      sakharuk  419:       }
1.90      albertel  420:       $temp++;
1.22      albertel  421:     }
                    422:   } else {
                    423:     my $temp=1;
1.28      albertel  424:     my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
1.79      sakharuk  425:     my $internal_counter=$Apache::lonxml::counter;
1.22      albertel  426:     foreach $name (@whichopt) {
1.62      albertel  427:       my $text=$Apache::response::foilgroup{$name.'.text'};
                    428:       if ($text!~/^\s*$/) {
                    429: 	  if ($target eq 'tex') {
                    430: 	      $break='\vskip 0 mm ';
                    431: 	  } elsif ($target eq 'web') {
                    432: 	      $break='<br />';
                    433: 	  }
                    434:       }
1.28      albertel  435:       my $lastopt=$lastresponse{$name};
                    436:       my $optionlist="<option></option>\n";
1.126     albertel  437:       foreach my $option (@opt) {
                    438: 	  my $escopt=&HTML::Entities::encode($option,'\'"&<>');
                    439: 	  if ($option eq $lastopt) {
1.133     albertel  440: 	      $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
1.126     albertel  441: 	  } else {
                    442: 	      $optionlist.="<option value='".$escopt."'>$option</option>\n";
                    443: 	  }
1.28      albertel  444:       }
1.32      sakharuk  445:       if ($target ne 'tex') {
1.72      sakharuk  446: 	  if ($Apache::lonhomework::type ne 'exam') {
1.101     albertel  447: 	      $optionlist='<select name="HWVAL_'.
                    448: 		  $Apache::inputtags::response['-1'].':'.$temp.'">'.
1.59      albertel  449: 		  $optionlist."</select>\n";
1.101     albertel  450: 	  } else {
                    451: 	      $optionlist='<u>'.('&nbsp;'x10).'</u>';
1.72      sakharuk  452: 	  }
1.101     albertel  453: 	  if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
                    454: 	      if ($Apache::lonhomework::type ne 'exam') {
                    455: 		  $text='&#149;'.$text;
                    456: 	      }
1.95      albertel  457: 	  } else {
1.101     albertel  458: 	      if ($Apache::lonhomework::type ne 'exam') {
                    459: 		  $text=$optionlist.$text;
                    460: 	      }
1.59      albertel  461: 	  }
1.62      albertel  462: 	  $result.=$break.$text."\n";
1.49      sakharuk  463: 	  if ($Apache::lonhomework::type eq 'exam') {
1.101     albertel  464: 	      $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.49      sakharuk  465: 	  }
1.32      sakharuk  466: 	  $temp++;
                    467:       } else {
1.101     albertel  468: 	  my $texoptionlist='';
                    469: 	  if ($displayoptionintex &&
                    470: 	      $Apache::lonhomework::type ne 'exam') {
1.107     sakharuk  471: 	      $texoptionlist = &optionlist_correction($TeXlayout,@opt);
1.101     albertel  472: 	  }
                    473: 	  if ($text=~/<drawoptionlist\s*\/>/) {
1.136     foxr      474: 	      $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
1.101     albertel  475: 	  }
                    476: 
                    477: 	  if ($text=~m/\\item /) {
1.50      sakharuk  478: 	      if ($Apache::lonhomework::type eq 'exam') {
1.101     albertel  479: 	          $text=~s/\\item/\\vskip 2 mm/;
1.50      sakharuk  480: 	      }
1.101     albertel  481: 	      $result.= $texoptionlist.$text;
1.32      sakharuk  482: 	  } else {
1.101     albertel  483: 	      if ($Apache::lonhomework::type eq 'exam') {
                    484: 		  $result.= $texoptionlist.'  '.$text;
1.46      sakharuk  485: 	      } else {
1.107     sakharuk  486: 		  if ($text=~/\S/) {$result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;} else {$result.= $texoptionlist;}
1.50      sakharuk  487: 	      }
1.32      sakharuk  488: 	  }
1.101     albertel  489: 	  if ($Apache::lonhomework::type eq 'exam') {
                    490: 	      $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
                    491: 		  $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
                    492: 		  '\end{enumerate} \vskip -8 mm \strut ';
                    493: 	      $internal_counter++;
                    494: 	  }
                    495: 	  $displayoptionintex=0;
1.62      albertel  496:       }
1.1       albertel  497:     }
1.62      albertel  498:   }
1.138   ! albertel  499: 
        !           500:   if ($target eq 'web') {
        !           501:       &setup_prior_tries_hash(\@whichopt);
        !           502:   }
        !           503: 
1.32      sakharuk  504:   if ($target ne 'tex') {
1.62      albertel  505:       return $result.$break;
                    506:   } else {
1.32      sakharuk  507:       return $result;
1.22      albertel  508:   }
1.50      sakharuk  509: }
                    510: 
                    511: 
                    512: sub optionlist_correction {
1.107     sakharuk  513:     my ($TeXlayout,@options) = @_;
1.101     albertel  514:     my $texoptionlist='\\item [] Choices: ';
1.107     sakharuk  515:     if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
1.101     albertel  516:     if (scalar(@options) > 0) {
                    517: 	foreach my $option (@options) {
                    518: 	    $texoptionlist.='{\bf '.
1.135     albertel  519: 		&Apache::lonxml::latex_special_symbols($option).
1.107     sakharuk  520: 		'}';
                    521: 	    if ($TeXlayout eq 'vertical') {
                    522: 		$texoptionlist.=' \vskip 0 mm ',
                    523: 	    } else {
1.115     sakharuk  524: 		$texoptionlist.=', ';
1.107     sakharuk  525: 	    }
1.101     albertel  526: 	}
1.116     albertel  527: 	$texoptionlist=~s/, $//;
1.107     sakharuk  528: 	if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
1.80      sakharuk  529:     } else {
1.107     sakharuk  530: 	if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
1.80      sakharuk  531:     }
1.50      sakharuk  532:     return $texoptionlist;
1.58      sakharuk  533: }
                    534: 
                    535: 
                    536: sub webbubbles {
1.90      albertel  537:     my ($ropt,$ralphabet,$temp,$lastopt)=@_;
1.58      sakharuk  538:     my @opt=@$ropt; 
                    539:     my @alphabet=@$ralphabet;
                    540:     my $result='';
1.90      albertel  541:     my $number_of_bubbles = $#opt + 1;
                    542:     $result.= '<table border="1"><tr>';
                    543:     for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
                    544: 	my $checked='';
                    545: 	if ($lastopt eq $opt[$ind]) {
                    546: 	    $checked=' checked="on" ';
1.58      sakharuk  547: 	}
1.90      albertel  548: 	$result.='<td><input type="radio" name="HWVAL_'.
                    549: 	    $Apache::inputtags::response['-1'].':'.$temp.
1.111     albertel  550: 	    '" value="'.$opt[$ind].'" '.$checked.' />';
                    551: 	if ($alphabet[$ind]) {
                    552: 	    $result.=$alphabet[$ind].': ';
                    553: 	}
                    554: 	$result.=$opt[$ind].'</td>';
1.90      albertel  555:     }
                    556:     $result.='</tr></table>';
                    557:     return $result;
1.50      sakharuk  558: }
                    559: 
                    560: 
                    561: sub bubbles {
1.119     albertel  562:     my ($ralphabet,$ropt,$response) = @_;
                    563:     my @alphabet = @$ralphabet;
1.50      sakharuk  564:     my @opt = @$ropt;
1.51      sakharuk  565:     my ($result,$head,$line) =('','','');
1.50      sakharuk  566:     my $number_of_bubbles = $#opt + 1;
1.51      sakharuk  567:     my $current_length = 0;
1.100     sakharuk  568:     my $textwidth;
1.125     albertel  569:     if ($env{'form.textwidth'} ne '') {
                    570: 	$env{'form.textwidth'}=~/(\d+)/;
1.100     sakharuk  571: 	$textwidth=$1;
                    572:     } else {
1.125     albertel  573: 	$env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.102     sakharuk  574: 	$textwidth=$1.'.'.$2;
1.100     sakharuk  575:     }
1.51      sakharuk  576:     for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
1.99      sakharuk  577: 	my $leftmargin;
1.101     albertel  578: 	$opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
1.119     albertel  579: 	if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
1.99      sakharuk  580: 	if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
1.102     sakharuk  581: 	$current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
1.99      sakharuk  582: 	if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
1.51      sakharuk  583: 	    $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
                    584: 	    $head.='lr';
                    585: 	} else {
                    586: 	    $line=~s/\&\s*$//;
1.131     albertel  587: 	    $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
1.51      sakharuk  588: 	    $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
                    589: 	    $head ='lr';
                    590: 	    $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
                    591: 	}
                    592: 
1.50      sakharuk  593:     }
                    594:     return $result;
1.1       albertel  595: }
                    596: 
1.22      albertel  597: 
1.2       albertel  598: sub start_conceptgroup {
1.22      albertel  599:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    600:   $Apache::optionresponse::conceptgroup=1;
1.44      albertel  601:   %Apache::response::conceptgroup=();
1.22      albertel  602:   my $result;
                    603:   if ($target eq 'edit') {
                    604:     $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
1.30      matthew   605:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    606:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.22      albertel  607:   }
                    608:   if ($target eq 'modified') {
                    609:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
                    610:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    611:   }
                    612:   return $result;
1.2       albertel  613: }
                    614: 
                    615: sub end_conceptgroup {
1.22      albertel  616:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    617:   $Apache::optionresponse::conceptgroup=0;
                    618:   my $result='';
1.93      albertel  619:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    620:       $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  621:     #if not there aren't any foils to display and thus no question
1.93      albertel  622:       &Apache::response::pick_foil_for_concept($target,
                    623: 					       ['value','text','location'],
                    624: 					       \%Apache::hint::option,
                    625: 					       $parstack,$safeeval);
1.34      albertel  626:   } elsif ($target eq 'edit') {
1.22      albertel  627:     $result=&Apache::edit::end_table();
                    628:   }
                    629:   return $result;
1.2       albertel  630: }
                    631: 
1.16      albertel  632: sub insert_conceptgroup {
1.22      albertel  633:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    634:   return $result;
1.16      albertel  635: }
                    636: 
1.1       albertel  637: sub start_foil {
1.22      albertel  638:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    639:   my $result='';
1.34      albertel  640:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
1.105     albertel  641:       &Apache::lonxml::startredirection;
                    642:       if ($target eq 'analyze') {
                    643: 	  &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    644:       }
1.25      albertel  645:   } elsif ($target eq 'edit') {
1.22      albertel  646:     $result=&Apache::edit::tag_start($target,$token,"Foil");
                    647:     my $level='-2';
                    648:     if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
                    649:     my @opt;
                    650:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
                    651:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.48      albertel  652:     $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
                    653: 					       ['unused',(@opt)],$token,'15');
                    654:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    655: 					     $safeeval,'-3');
                    656:     if ($randomize ne 'no') {
                    657: 	$result.=&Apache::edit::select_arg('Location:','location',
                    658: 					   ['random','top','bottom'],$token);
                    659:     }
1.30      matthew   660:     $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.25      albertel  661:   } elsif ($target eq 'modified') {
1.48      albertel  662:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    663: 						 'value','name','location');
1.22      albertel  664:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.32      sakharuk  665:   } 
1.22      albertel  666:   return $result;
1.1       albertel  667: }
                    668: 
                    669: sub end_foil {
1.22      albertel  670:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    671:   my $text ='';
                    672:   my $result = '';
1.88      albertel  673:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
1.48      albertel  674:       $text=&Apache::lonxml::endredirection;
1.114     sakharuk  675:       if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
1.107     sakharuk  676:       if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} 
1.32      sakharuk  677:   }
                    678:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
1.34      albertel  679:       || $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  680:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.122     albertel  681:     if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    682: 	$text='\vskip 5mm $\triangleright$ '.$text;
                    683:     }
1.22      albertel  684:     if ($value ne 'unused') {
                    685:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    686:       &Apache::lonxml::debug("Got a name of :$name:");
1.129     albertel  687:       if ($name eq "") {
1.128     albertel  688: 	  &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.123     albertel  689: 	  $name=$Apache::lonxml::curdepth;
                    690:       }
1.22      albertel  691:       &Apache::lonxml::debug("Using a name of :$name:");
1.103     albertel  692:       if (defined($Apache::response::foilnames{$name})) {
                    693: 	  &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
                    694:       }
1.104     albertel  695:       $Apache::response::foilnames{$name}++;
1.103     albertel  696:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.39      albertel  697:       if ( $Apache::optionresponse::conceptgroup
                    698: 	   && !&Apache::response::showallfoils() ) {
1.22      albertel  699: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    700: 	$Apache::response::conceptgroup{"$name.value"} = $value;
1.122     albertel  701: 	$Apache::response::conceptgroup{"$name.text"} = $text;
1.48      albertel  702: 	$Apache::response::conceptgroup{"$name.location"} = $location;
1.22      albertel  703:       } else {
                    704: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
1.48      albertel  705: 	$Apache::response::foilgroup{"$name.value"} = $value;
1.122     albertel  706: 	$Apache::response::foilgroup{"$name.text"} = $text;
1.48      albertel  707: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.22      albertel  708:       }
                    709:     }
                    710:   }
                    711:   if ($target eq 'edit') {
                    712:     $result.= &Apache::edit::tag_end($target,$token,'');
                    713:   }
                    714:   return $result;
1.1       albertel  715: }
                    716: 
1.112     sakharuk  717: sub start_drawoptionlist {
                    718:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.136     foxr      719:     if (($target ne 'meta')  && ($target ne 'answer')) {
1.117     albertel  720: 	return $token->[4];
                    721:     }
1.112     sakharuk  722: }
                    723: 
                    724: sub end_drawoptionlist {
                    725:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.136     foxr      726:     if (($target ne 'meta') && ($target ne 'answer')) {
1.117     albertel  727: 	return $token->[2];
                    728:     }
1.112     sakharuk  729: }
                    730: 
1.7       albertel  731: sub insert_foil {
1.22      albertel  732:   return '
1.15      albertel  733: <foil name="" value="unused">
1.14      albertel  734: <startouttext />
                    735: <endouttext />
1.7       albertel  736: </foil>';
                    737: }
1.1       albertel  738: 1;
                    739: __END__
                    740:  

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