Annotation of loncom/homework/optionresponse.pm, revision 1.122

1.46      sakharuk    1: # LearningOnline Network with CAPA
1.22      albertel    2: # option list style responses
1.27      albertel    3: #
1.122   ! albertel    4: # $Id: optionresponse.pm,v 1.121 2004/10/21 06:33:37 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;
1.1       albertel   32: 
1.31      harris41   33: BEGIN {
1.1       albertel   34:   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
                     35: }
                     36: 
                     37: sub start_optionresponse {
1.22      albertel   38:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     39:   my $result='';
1.29      albertel   40:   #when in a option response use these
1.112     sakharuk   41:   &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22      albertel   42:   push (@Apache::lonxml::namespace,'optionresponse');
                     43:   my $id = &Apache::response::start_response($parstack,$safeeval);
1.57      albertel   44:   %Apache::hint::option=();
1.103     albertel   45:   undef(%Apache::response::foilnames);
1.22      albertel   46:   if ($target eq 'edit') {
1.23      albertel   47:     $result.=&Apache::edit::start_table($token).
1.98      www        48: 	"<tr><td>Multiple Option Response Question ".
                     49: 	&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td><td>Delete:".
1.23      albertel   50: 	&Apache::edit::deletelist($target,$token)
1.30      matthew    51: 	."</td><td>&nbsp;".
                     52:         &Apache::edit::end_row().
                     53:         &Apache::edit::start_spanning_row().
                     54:         "\n";
1.48      albertel   55:     $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
                     56: 				     $token,'4').
                     57:         &Apache::edit::select_arg('Randomize Foil Order','randomize',
                     58: 				  ['yes','no'],$token).
1.108     albertel   59:         &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
                     60: 				  [['horizontal',&mt('Normal list')],
                     61: 				   ['vertical',&mt('Listed in a vertical column')]],$token).
1.48      albertel   62:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.34      albertel   63:   } elsif ($target eq 'modified') {
1.23      albertel   64:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.108     albertel   65: 						 $safeeval,'max','randomize',
                     66: 						 'TeXlayout');
1.22      albertel   67:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.34      albertel   68:   } elsif ($target eq 'meta') {
1.23      albertel   69:     $result=&Apache::response::meta_package_write('optionresponse');
1.34      albertel   70:   } elsif ($target eq 'analyze') {
1.93      albertel   71:     my $part_id="$Apache::inputtags::part.$id";
1.34      albertel   72:     push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.22      albertel   73:   }
                     74:   return $result;
1.1       albertel   75: }
                     76: 
                     77: sub end_optionresponse {
1.22      albertel   78:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     79:   &Apache::response::end_response;
                     80:   pop @Apache::lonxml::namespace;
1.112     sakharuk   81:   &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22      albertel   82:   my $result;
                     83:   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.103     albertel   84:   undef(%Apache::response::foilnames);
1.22      albertel   85:   return $result;
1.1       albertel   86: }
                     87: 
1.44      albertel   88: %Apache::response::foilgroup=();
1.1       albertel   89: sub start_foilgroup {
1.22      albertel   90:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     91: 
                     92:   my $result='';
1.44      albertel   93:   %Apache::response::foilgroup=();
1.22      albertel   94:   $Apache::optionresponse::conceptgroup=0;
1.110     albertel   95:   &Apache::response::pushrandomnumber();
1.22      albertel   96:   if ($target eq 'edit') {
                     97:     my $optionlist="<option></option>\n";
                     98:     my $option;
                     99:     my @opt;
                    100:     eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
                    101:     my $count=1;
                    102:     foreach $option (@opt) {
                    103:       $optionlist.="<option value=\"$count\">$option</option>\n";
                    104:       $count++;
                    105:     }
                    106:     my $insertlist=&Apache::edit::insertlist($target,$token);
                    107:     $result.=&Apache::edit::start_table($token);
                    108:     $result.= (<<ENDTABLE);
                    109:       <tr><td>Select Options</td>
1.13      albertel  110:         <td>
                    111: 	  Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
                    112:         </td>
                    113:         <td>Delete an Option:
                    114: 	  <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
                    115: ENDTABLE
1.30      matthew   116:     $result.= &Apache::edit::end_row();
                    117:     $result.= &Apache::edit::start_spanning_row();
                    118:     $result.= $insertlist.'<br />';
1.22      albertel  119:   }
                    120:   if ($target eq 'modified') {
                    121:     my @options;
                    122:     my $optchanged=0;
                    123:     eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
                    124:     if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
                    125:       my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
                    126:       &Apache::lonxml::debug("Deleting :$delopt:");
                    127:       splice(@options,$delopt-1,1);
                    128:       $optchanged=1;
                    129:     }
                    130:     if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
                    131:       my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
                    132:       if ($options[0]) {
                    133: 	push(@options,$newopt);
                    134:       } else {
                    135: 	$options[0]=$newopt;
                    136:       }
                    137:       $optchanged=1;
                    138:     }
                    139:     if ($optchanged) {
                    140:       $result = "<foilgroup options=\"(";
                    141:       foreach my $option (@options) {
1.41      albertel  142: 	$option=~s/\'/\\\'/g;
1.22      albertel  143: 	&Apache::lonxml::debug("adding option :$option:");
                    144: 	$result .="'".$option."',";
                    145:       }
                    146:       chop $result;
                    147:       $result.=')">';
                    148:     } # else nothing changed so just use the default mechanism
                    149:   }
1.68      sakharuk  150:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.109     albertel  151:       $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
                    152:                    \begin{enumerate} ';
1.42      sakharuk  153:   }
1.22      albertel  154:   return $result;
1.1       albertel  155: }
                    156: 
                    157: sub end_foilgroup {
1.22      albertel  158:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    159:   
                    160:   my $result;
1.94      albertel  161:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
                    162:       $target eq 'tex' || $target eq 'analyze') {
1.81      sakharuk  163:     my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
1.22      albertel  164:     my $name;
                    165:     my @opt;
                    166:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.108     albertel  167:     my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
                    168: 					     -2,0);
1.81      sakharuk  169:     if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
1.22      albertel  170:     &Apache::lonxml::debug("Options are $#opt");
1.48      albertel  171:     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    172:     my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    173: 					       $safeeval,'-2');
1.32      sakharuk  174:     if ($target eq 'web' || $target eq 'tex') {
1.107     sakharuk  175:       $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
1.25      albertel  176:     } elsif ( $target eq 'answer') {
1.48      albertel  177:       $result.=&displayanswers($max,$randomize,@opt);
1.34      albertel  178:     } elsif ( $target eq 'analyze') {
1.93      albertel  179: 	my @shown = &whichfoils($max,$randomize);
1.94      albertel  180: 	&Apache::response::analyze_store_foilgroup(\@shown,
                    181: 						  ['text','value','location']);
1.93      albertel  182: 	my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    183: 	push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
1.22      albertel  184:     } elsif ( $target eq 'grade') {
                    185:       if ( defined $ENV{'form.submitted'}) {
1.48      albertel  186: 	my @whichopt = &whichfoils($max,$randomize);
1.22      albertel  187: 	my $temp=1;my $name;
1.26      albertel  188: 	my %responsehash;
1.57      albertel  189: 	my %grade;
1.22      albertel  190: 	my $right=0;
                    191: 	my $wrong=0;
                    192: 	my $ignored=0;
                    193: 	foreach $name (@whichopt) {
1.74      albertel  194: 	  my $response=&Apache::response::getresponse($temp);
1.120     albertel  195: 	  if ($ENV{'form.submitted'} eq 'scantron' && $response=~/\S/) {
1.74      albertel  196: 	      $response = $opt[$response];
                    197: 	  }
1.22      albertel  198: 	  if ( $response =~ /[^\s]/) {
1.96      albertel  199: 	    $responsehash{$name}=$response;
1.22      albertel  200: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
1.34      albertel  201: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
1.57      albertel  202: 	    if ($value eq $response) {
                    203: 		$grade{$name}='1'; $right++;
                    204: 	    } else {
                    205: 		$grade{$name}='0'; $wrong++;
                    206: 	    }
1.22      albertel  207: 	  } else {
                    208: 	    $ignored++;
                    209: 	  }
                    210: 	  $temp++;
                    211: 	}
1.28      albertel  212: 	my $part=$Apache::inputtags::part;
1.22      albertel  213: 	my $id = $Apache::inputtags::response['-1'];
1.28      albertel  214: 	my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.57      albertel  215: 	my $gradestr   =&Apache::lonnet::hash2str(%grade);
1.28      albertel  216: 	my %previous=&Apache::response::check_for_previous($responsestr,
                    217: 							   $part,$id);
1.22      albertel  218: 	&Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
1.75      albertel  219: 	$Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    220: 	    $responsestr;
                    221: 	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    222: 	
1.121     albertel  223: 	if ($Apache::lonhomework::type eq 'survey') {
                    224: 	    if ($ignored == 0) {
                    225: 		my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
                    226: 		&Apache::response::handle_previous(\%previous,$ad);
                    227: 	    } elsif ($wrong==0 && $right==0) {
                    228: 	    } else {
                    229: 		my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
                    230: 		&Apache::response::handle_previous(\%previous,$ad);
                    231: 	    }
                    232: 	} elsif (!$Apache::lonhomework::scantronmode) {
1.75      albertel  233: 	    my $ad;
                    234: 	    if ($wrong==0 && $ignored==0) {
                    235: 		$ad='EXACT_ANS';
                    236: 	    } elsif ($wrong==0 && $right==0) {
                    237: 		#nothing submitted
                    238: 	    } else {
                    239: 		if ($ignored==0) {
                    240: 		    $ad='INCORRECT';
                    241: 		} else {
                    242: 		    $ad='MISSING_ANSWER';
                    243: 		}
                    244: 	    }
                    245: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    246: 	    &Apache::response::handle_previous(\%previous,$ad);
1.22      albertel  247: 	} else {
1.75      albertel  248: 	    my $ad;
                    249: 	    if ($wrong==0 && $right==0) {
1.120     albertel  250: 		#nothing submitted only assign a score if we 
                    251: 		#need to override a previous grade
                    252: 		if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
                    253: 		    $ad='ASSIGNED_SCORE';
                    254: 		}
1.75      albertel  255: 	    } else {
                    256: 		$ad='ASSIGNED_SCORE';
                    257: 	    }
                    258: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    259: 	    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
                    260: 		$right/(scalar(@whichopt));
1.76      albertel  261: 	    $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
                    262: 		scalar(@whichopt);
1.1       albertel  263: 	}
1.22      albertel  264:       }
1.1       albertel  265:     }
1.92      sakharuk  266:     &Apache::lonxml::increment_counter(&getfoilcounts($max));
1.25      albertel  267:   } elsif ($target eq 'edit') {
1.22      albertel  268:     $result.=&Apache::edit::end_table();
1.74      albertel  269:   }
                    270:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
                    271:       $result .= '\end{enumerate}';
                    272:   }
1.110     albertel  273:   &Apache::response::poprandomnumber();
1.22      albertel  274:   return $result;
1.1       albertel  275: }
                    276: 
                    277: sub getfoilcounts {
1.48      albertel  278:   my ($max)=@_;
1.22      albertel  279:   # +1 since instructors will count from 1
                    280:   my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.39      albertel  281:   if (&Apache::response::showallfoils()) { $max=$count; }
1.48      albertel  282:   if ($count>$max) { $count=$max } 
                    283:   &Apache::lonxml::debug("Count is $count from $max");
                    284:   return $count;
1.1       albertel  285: }
                    286: 
                    287: sub whichfoils {
1.77      albertel  288:     my ($max,$randomize)=@_;
                    289:     return &Apache::response::whichorder($max,$randomize,
                    290: 					 &Apache::response::showallfoils(),
                    291: 					 \%Apache::response::foilgroup);
1.1       albertel  292: }
                    293: 
1.25      albertel  294: sub displayanswers {
1.48      albertel  295:   my ($max,$randomize,@opt)=@_;
1.67      albertel  296:   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
1.25      albertel  297:   my @names = @{ $Apache::response::foilgroup{'names'} };
1.48      albertel  298:   my @whichopt = &whichfoils($max,$randomize);
1.25      albertel  299:   my $result=&Apache::response::answer_header('optionresponse');
                    300:   foreach my $name (@whichopt) {
                    301:     $result.=&Apache::response::answer_part('optionresponse',
                    302: 		     $Apache::response::foilgroup{$name.'.value'})
                    303:   }
                    304:   $result.=&Apache::response::answer_footer('optionresponse');
                    305:   return $result;
                    306: }
                    307: 
1.106     albertel  308: sub check_for_invalid {
                    309:     my ($names,$options) = @_;
                    310:     my %bad_names;
                    311:     foreach my $name (@{ $names }) {
                    312: 	my $value=$Apache::response::foilgroup{$name.'.value'};
                    313: 	my $found=0;
                    314: 	foreach my $option (@{ $options }) {
                    315: 	    if ($value eq $option) { $found=1; }
                    316: 	}
                    317: 	if (!$found) { $bad_names{$name}=$value; }
                    318:     }
                    319:     if (%bad_names) {
                    320: 	my $error=&mt('The question can not be gotten correct, '.
                    321: 	    'the following foils in the &lt;optionresponse&gt; '.
                    322: 	    'have invalid correct options').' <br /><tt>'.
                    323: 	    join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
                    324: 	    "</tt>";
                    325: 	&Apache::lonxml::error($error);
                    326:     }
                    327: }
                    328: 
1.1       albertel  329: sub displayfoils {
1.107     sakharuk  330:   my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
1.67      albertel  331:   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
1.22      albertel  332:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    333:   my @truelist;
                    334:   my @falselist;
1.79      sakharuk  335:   my $result;  
1.22      albertel  336:   my $name;
1.101     albertel  337:   my $displayoptionintex=1;
1.72      sakharuk  338:   my @alphabet = ('A'..'Z');
1.48      albertel  339:   my @whichopt = &whichfoils($max,$randomize);
1.106     albertel  340:   &check_for_invalid(\@whichopt,\@opt);
1.28      albertel  341:   my $part=$Apache::inputtags::part;
                    342:   my $id=$Apache::inputtags::response[-1];
1.62      albertel  343:   my $break;
1.65      albertel  344:   my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
1.86      albertel  345:   if ( ($target ne 'tex') &&
                    346:        &Apache::response::show_answer() ) {
1.90      albertel  347:     my $temp=1;
1.22      albertel  348:     foreach $name (@whichopt) {
1.62      albertel  349: 	my $text=$Apache::response::foilgroup{$name.'.text'};
1.90      albertel  350: 	my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
                    351: 	my $lastopt=$lastresponse{$name};
1.101     albertel  352: 	if ($text!~/^\s*$/) { $break='<br />'; }
1.62      albertel  353: 	$result.=$break;
1.113     sakharuk  354: 	if ($target eq 'web') {
1.62      albertel  355: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
                    356: 	    if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
                    357: 		if ($text=~/^\s*$/) {
                    358: 		    $text=$value.$text;
                    359: 		} else {
                    360: 		    $text=$value.': '.$text;
                    361: 		}
1.95      albertel  362: 	    } else {
                    363: 		$text='&#149;'.$text;
1.62      albertel  364: 	    }
                    365: 	    $result.=$text."\n";
1.112     sakharuk  366: 	}
1.58      sakharuk  367:       if ($Apache::lonhomework::type eq 'exam') {
1.90      albertel  368: 	  $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.58      sakharuk  369:       }
1.90      albertel  370:       $temp++;
1.22      albertel  371:     }
                    372:   } else {
                    373:     my $temp=1;
1.28      albertel  374:     my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
1.79      sakharuk  375:     my $internal_counter=$Apache::lonxml::counter;
1.22      albertel  376:     foreach $name (@whichopt) {
1.62      albertel  377:       my $text=$Apache::response::foilgroup{$name.'.text'};
                    378:       if ($text!~/^\s*$/) {
                    379: 	  if ($target eq 'tex') {
                    380: 	      $break='\vskip 0 mm ';
                    381: 	  } elsif ($target eq 'web') {
                    382: 	      $break='<br />';
                    383: 	  }
                    384:       }
1.28      albertel  385:       my $lastopt=$lastresponse{$name};
                    386:       my $optionlist="<option></option>\n";
                    387:       my $option;
                    388:       foreach $option (@opt) {
                    389: 	if ($option eq $lastopt) {
                    390: 	  $optionlist.="<option selected=\"on\">$option</option>\n";
                    391: 	} else {
                    392: 	  $optionlist.="<option>$option</option>\n";
                    393: 	}
                    394:       }
1.32      sakharuk  395:       if ($target ne 'tex') {
1.72      sakharuk  396: 	  if ($Apache::lonhomework::type ne 'exam') {
1.101     albertel  397: 	      $optionlist='<select name="HWVAL_'.
                    398: 		  $Apache::inputtags::response['-1'].':'.$temp.'">'.
1.59      albertel  399: 		  $optionlist."</select>\n";
1.101     albertel  400: 	  } else {
                    401: 	      $optionlist='<u>'.('&nbsp;'x10).'</u>';
1.72      sakharuk  402: 	  }
1.101     albertel  403: 	  if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
                    404: 	      if ($Apache::lonhomework::type ne 'exam') {
                    405: 		  $text='&#149;'.$text;
                    406: 	      }
1.95      albertel  407: 	  } else {
1.101     albertel  408: 	      if ($Apache::lonhomework::type ne 'exam') {
                    409: 		  $text=$optionlist.$text;
                    410: 	      }
1.59      albertel  411: 	  }
1.62      albertel  412: 	  $result.=$break.$text."\n";
1.49      sakharuk  413: 	  if ($Apache::lonhomework::type eq 'exam') {
1.101     albertel  414: 	      $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.49      sakharuk  415: 	  }
1.32      sakharuk  416: 	  $temp++;
                    417:       } else {
1.101     albertel  418: 	  my $texoptionlist='';
                    419: 	  if ($displayoptionintex &&
                    420: 	      $Apache::lonhomework::type ne 'exam') {
1.107     sakharuk  421: 	      $texoptionlist = &optionlist_correction($TeXlayout,@opt);
1.101     albertel  422: 	  }
                    423: 	  if ($text=~/<drawoptionlist\s*\/>/) {
                    424: 	      $text=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
                    425: 	  }
                    426: 
                    427: 	  if ($text=~m/\\item /) {
1.50      sakharuk  428: 	      if ($Apache::lonhomework::type eq 'exam') {
1.101     albertel  429: 	          $text=~s/\\item/\\vskip 2 mm/;
1.50      sakharuk  430: 	      }
1.101     albertel  431: 	      $result.= $texoptionlist.$text;
1.32      sakharuk  432: 	  } else {
1.101     albertel  433: 	      if ($Apache::lonhomework::type eq 'exam') {
                    434: 		  $result.= $texoptionlist.'  '.$text;
1.46      sakharuk  435: 	      } else {
1.107     sakharuk  436: 		  if ($text=~/\S/) {$result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;} else {$result.= $texoptionlist;}
1.50      sakharuk  437: 	      }
1.32      sakharuk  438: 	  }
1.101     albertel  439: 	  if ($Apache::lonhomework::type eq 'exam') {
                    440: 	      $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
                    441: 		  $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
                    442: 		  '\end{enumerate} \vskip -8 mm \strut ';
                    443: 	      $internal_counter++;
                    444: 	  }
                    445: 	  $displayoptionintex=0;
1.62      albertel  446:       }
1.1       albertel  447:     }
1.62      albertel  448:   }
1.32      sakharuk  449:   if ($target ne 'tex') {
1.62      albertel  450:       return $result.$break;
                    451:   } else {
1.32      sakharuk  452:       return $result;
1.22      albertel  453:   }
1.50      sakharuk  454: }
                    455: 
                    456: 
                    457: sub optionlist_correction {
1.107     sakharuk  458:     my ($TeXlayout,@options) = @_;
1.101     albertel  459:     my $texoptionlist='\\item [] Choices: ';
1.107     sakharuk  460:     if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
1.101     albertel  461:     if (scalar(@options) > 0) {
                    462: 	foreach my $option (@options) {
                    463: 	    $texoptionlist.='{\bf '.
                    464: 		&Apache::lonxml::latex_special_symbols($option).
1.107     sakharuk  465: 		'}';
                    466: 	    if ($TeXlayout eq 'vertical') {
                    467: 		$texoptionlist.=' \vskip 0 mm ',
                    468: 	    } else {
1.115     sakharuk  469: 		$texoptionlist.=', ';
1.107     sakharuk  470: 	    }
1.101     albertel  471: 	}
1.116     albertel  472: 	$texoptionlist=~s/, $//;
1.107     sakharuk  473: 	if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
1.80      sakharuk  474:     } else {
1.107     sakharuk  475: 	if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
1.80      sakharuk  476:     }
1.50      sakharuk  477:     return $texoptionlist;
1.58      sakharuk  478: }
                    479: 
                    480: 
                    481: sub webbubbles {
1.90      albertel  482:     my ($ropt,$ralphabet,$temp,$lastopt)=@_;
1.58      sakharuk  483:     my @opt=@$ropt; 
                    484:     my @alphabet=@$ralphabet;
                    485:     my $result='';
1.90      albertel  486:     my $number_of_bubbles = $#opt + 1;
                    487:     $result.= '<table border="1"><tr>';
                    488:     for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
                    489: 	my $checked='';
                    490: 	if ($lastopt eq $opt[$ind]) {
                    491: 	    $checked=' checked="on" ';
1.58      sakharuk  492: 	}
1.90      albertel  493: 	$result.='<td><input type="radio" name="HWVAL_'.
                    494: 	    $Apache::inputtags::response['-1'].':'.$temp.
1.111     albertel  495: 	    '" value="'.$opt[$ind].'" '.$checked.' />';
                    496: 	if ($alphabet[$ind]) {
                    497: 	    $result.=$alphabet[$ind].': ';
                    498: 	}
                    499: 	$result.=$opt[$ind].'</td>';
1.90      albertel  500:     }
                    501:     $result.='</tr></table>';
                    502:     return $result;
1.50      sakharuk  503: }
                    504: 
                    505: 
                    506: sub bubbles {
1.119     albertel  507:     my ($ralphabet,$ropt,$response) = @_;
                    508:     my @alphabet = @$ralphabet;
1.50      sakharuk  509:     my @opt = @$ropt;
1.51      sakharuk  510:     my ($result,$head,$line) =('','','');
1.50      sakharuk  511:     my $number_of_bubbles = $#opt + 1;
1.51      sakharuk  512:     my $current_length = 0;
1.100     sakharuk  513:     my $textwidth;
                    514:     if ($ENV{'form.textwidth'} ne '') {
                    515: 	$ENV{'form.textwidth'}=~/(\d+)/;
                    516: 	$textwidth=$1;
                    517:     } else {
1.102     sakharuk  518: 	$ENV{'textwidth'}=~/(\d*)\.?(\d*)/;
                    519: 	$textwidth=$1.'.'.$2;
1.100     sakharuk  520:     }
1.51      sakharuk  521:     for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
1.99      sakharuk  522: 	my $leftmargin;
1.101     albertel  523: 	$opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
1.119     albertel  524: 	if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
1.99      sakharuk  525: 	if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
1.102     sakharuk  526: 	$current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
1.99      sakharuk  527: 	if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
1.51      sakharuk  528: 	    $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
                    529: 	    $head.='lr';
                    530: 	} else {
                    531: 	    $line=~s/\&\s*$//;
1.107     sakharuk  532: 	    $result.='\vskip -2 mm\noindent\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
1.51      sakharuk  533: 	    $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
                    534: 	    $head ='lr';
                    535: 	    $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
                    536: 	}
                    537: 
1.50      sakharuk  538:     }
                    539:     return $result;
1.1       albertel  540: }
                    541: 
1.22      albertel  542: 
1.2       albertel  543: sub start_conceptgroup {
1.22      albertel  544:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    545:   $Apache::optionresponse::conceptgroup=1;
1.44      albertel  546:   %Apache::response::conceptgroup=();
1.22      albertel  547:   my $result;
                    548:   if ($target eq 'edit') {
                    549:     $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
1.30      matthew   550:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    551:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.22      albertel  552:   }
                    553:   if ($target eq 'modified') {
                    554:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
                    555:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    556:   }
                    557:   return $result;
1.2       albertel  558: }
                    559: 
                    560: sub end_conceptgroup {
1.22      albertel  561:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    562:   $Apache::optionresponse::conceptgroup=0;
                    563:   my $result='';
1.93      albertel  564:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    565:       $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  566:     #if not there aren't any foils to display and thus no question
1.93      albertel  567:       &Apache::response::pick_foil_for_concept($target,
                    568: 					       ['value','text','location'],
                    569: 					       \%Apache::hint::option,
                    570: 					       $parstack,$safeeval);
1.34      albertel  571:   } elsif ($target eq 'edit') {
1.22      albertel  572:     $result=&Apache::edit::end_table();
                    573:   }
                    574:   return $result;
1.2       albertel  575: }
                    576: 
1.16      albertel  577: sub insert_conceptgroup {
1.22      albertel  578:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    579:   return $result;
1.16      albertel  580: }
                    581: 
1.1       albertel  582: sub start_foil {
1.22      albertel  583:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    584:   my $result='';
1.34      albertel  585:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
1.105     albertel  586:       &Apache::lonxml::startredirection;
                    587:       if ($target eq 'analyze') {
                    588: 	  &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    589:       }
1.25      albertel  590:   } elsif ($target eq 'edit') {
1.22      albertel  591:     $result=&Apache::edit::tag_start($target,$token,"Foil");
                    592:     my $level='-2';
                    593:     if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
                    594:     my @opt;
                    595:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
                    596:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.48      albertel  597:     $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
                    598: 					       ['unused',(@opt)],$token,'15');
                    599:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    600: 					     $safeeval,'-3');
                    601:     if ($randomize ne 'no') {
                    602: 	$result.=&Apache::edit::select_arg('Location:','location',
                    603: 					   ['random','top','bottom'],$token);
                    604:     }
1.30      matthew   605:     $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.25      albertel  606:   } elsif ($target eq 'modified') {
1.48      albertel  607:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    608: 						 'value','name','location');
1.22      albertel  609:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.32      sakharuk  610:   } 
1.22      albertel  611:   return $result;
1.1       albertel  612: }
                    613: 
                    614: sub end_foil {
1.22      albertel  615:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    616:   my $text ='';
                    617:   my $result = '';
1.88      albertel  618:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
1.48      albertel  619:       $text=&Apache::lonxml::endredirection;
1.114     sakharuk  620:       if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
1.107     sakharuk  621:       if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} 
1.32      sakharuk  622:   }
                    623:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
1.34      albertel  624:       || $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  625:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.122   ! albertel  626:     if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
        !           627: 	$text='\vskip 5mm $\triangleright$ '.$text;
        !           628:     }
1.22      albertel  629:     if ($value ne 'unused') {
                    630:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    631:       &Apache::lonxml::debug("Got a name of :$name:");
                    632:       if (!$name) { $name=$Apache::lonxml::curdepth; }
                    633:       &Apache::lonxml::debug("Using a name of :$name:");
1.103     albertel  634:       if (defined($Apache::response::foilnames{$name})) {
                    635: 	  &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
                    636:       }
1.104     albertel  637:       $Apache::response::foilnames{$name}++;
1.103     albertel  638:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.39      albertel  639:       if ( $Apache::optionresponse::conceptgroup
                    640: 	   && !&Apache::response::showallfoils() ) {
1.22      albertel  641: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    642: 	$Apache::response::conceptgroup{"$name.value"} = $value;
1.122   ! albertel  643: 	$Apache::response::conceptgroup{"$name.text"} = $text;
1.48      albertel  644: 	$Apache::response::conceptgroup{"$name.location"} = $location;
1.22      albertel  645:       } else {
                    646: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
1.48      albertel  647: 	$Apache::response::foilgroup{"$name.value"} = $value;
1.122   ! albertel  648: 	$Apache::response::foilgroup{"$name.text"} = $text;
1.48      albertel  649: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.22      albertel  650:       }
                    651:     }
                    652:   }
                    653:   if ($target eq 'edit') {
                    654:     $result.= &Apache::edit::tag_end($target,$token,'');
                    655:   }
                    656:   return $result;
1.1       albertel  657: }
                    658: 
1.112     sakharuk  659: sub start_drawoptionlist {
                    660:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.117     albertel  661:     if ($target ne 'meta') {
                    662: 	return $token->[4];
                    663:     }
1.112     sakharuk  664: }
                    665: 
                    666: sub end_drawoptionlist {
                    667:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.117     albertel  668:     if ($target ne 'meta') {
                    669: 	return $token->[2];
                    670:     }
1.112     sakharuk  671: }
                    672: 
1.7       albertel  673: sub insert_foil {
1.22      albertel  674:   return '
1.15      albertel  675: <foil name="" value="unused">
1.14      albertel  676: <startouttext />
                    677: <endouttext />
1.7       albertel  678: </foil>';
                    679: }
1.1       albertel  680: 1;
                    681: __END__
                    682:  

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