Annotation of loncom/homework/optionresponse.pm, revision 1.94

1.46      sakharuk    1: # LearningOnline Network with CAPA
1.22      albertel    2: # option list style responses
1.27      albertel    3: #
1.94    ! albertel    4: # $Id: optionresponse.pm,v 1.93 2003/10/27 19:27:09 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;
1.6       albertel   30: use Apache::response;
1.1       albertel   31: 
1.31      harris41   32: BEGIN {
1.1       albertel   33:   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
                     34: }
                     35: 
                     36: sub start_optionresponse {
1.22      albertel   37:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     38:   my $result='';
1.29      albertel   39:   #when in a option response use these
1.22      albertel   40:   &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
                     41:   push (@Apache::lonxml::namespace,'optionresponse');
                     42:   my $id = &Apache::response::start_response($parstack,$safeeval);
1.57      albertel   43:   %Apache::hint::option=();
1.22      albertel   44:   if ($target eq 'edit') {
1.23      albertel   45:     $result.=&Apache::edit::start_table($token).
1.30      matthew    46: 	"<tr><td>Multiple Option Response Question</td><td>Delete:".
1.23      albertel   47: 	&Apache::edit::deletelist($target,$token)
1.30      matthew    48: 	."</td><td>&nbsp;".
                     49:         &Apache::edit::end_row().
                     50:         &Apache::edit::start_spanning_row().
                     51:         "\n";
1.48      albertel   52:     $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
                     53: 				     $token,'4').
                     54:         &Apache::edit::select_arg('Randomize Foil Order','randomize',
                     55: 				  ['yes','no'],$token).
                     56:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.34      albertel   57:   } elsif ($target eq 'modified') {
1.23      albertel   58:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.48      albertel   59: 						 $safeeval,'max','randomize');
1.22      albertel   60:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.34      albertel   61:   } elsif ($target eq 'meta') {
1.23      albertel   62:     $result=&Apache::response::meta_package_write('optionresponse');
1.34      albertel   63:   } elsif ($target eq 'analyze') {
1.93      albertel   64:     my $part_id="$Apache::inputtags::part.$id";
1.34      albertel   65:     push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.22      albertel   66:   }
                     67:   return $result;
1.1       albertel   68: }
                     69: 
                     70: sub end_optionresponse {
1.22      albertel   71:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     72:   &Apache::response::end_response;
                     73:   pop @Apache::lonxml::namespace;
1.29      albertel   74:   &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
1.22      albertel   75:   my $result;
                     76:   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     77:   return $result;
1.1       albertel   78: }
                     79: 
1.44      albertel   80: %Apache::response::foilgroup=();
1.1       albertel   81: sub start_foilgroup {
1.22      albertel   82:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     83: 
                     84:   my $result='';
1.44      albertel   85:   %Apache::response::foilgroup=();
1.22      albertel   86:   $Apache::optionresponse::conceptgroup=0;
                     87:   &Apache::response::setrandomnumber();
                     88:   if ($target eq 'edit') {
                     89:     my $optionlist="<option></option>\n";
                     90:     my $option;
                     91:     my @opt;
                     92:     eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
                     93:     my $count=1;
                     94:     foreach $option (@opt) {
                     95:       $optionlist.="<option value=\"$count\">$option</option>\n";
                     96:       $count++;
                     97:     }
                     98:     my $insertlist=&Apache::edit::insertlist($target,$token);
                     99:     $result.=&Apache::edit::start_table($token);
                    100:     $result.= (<<ENDTABLE);
                    101:       <tr><td>Select Options</td>
1.13      albertel  102:         <td>
                    103: 	  Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
                    104:         </td>
                    105:         <td>Delete an Option:
                    106: 	  <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
                    107: ENDTABLE
1.30      matthew   108:     $result.= &Apache::edit::end_row();
                    109:     $result.= &Apache::edit::start_spanning_row();
                    110:     $result.= $insertlist.'<br />';
1.22      albertel  111:   }
                    112:   if ($target eq 'modified') {
                    113:     my @options;
                    114:     my $optchanged=0;
                    115:     eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
                    116:     if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
                    117:       my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
                    118:       &Apache::lonxml::debug("Deleting :$delopt:");
                    119:       splice(@options,$delopt-1,1);
                    120:       $optchanged=1;
                    121:     }
                    122:     if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
                    123:       my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
                    124:       if ($options[0]) {
                    125: 	push(@options,$newopt);
                    126:       } else {
                    127: 	$options[0]=$newopt;
                    128:       }
                    129:       $optchanged=1;
                    130:     }
                    131:     if ($optchanged) {
                    132:       $result = "<foilgroup options=\"(";
                    133:       foreach my $option (@options) {
1.41      albertel  134: 	$option=~s/\'/\\\'/g;
1.22      albertel  135: 	&Apache::lonxml::debug("adding option :$option:");
                    136: 	$result .="'".$option."',";
                    137:       }
                    138:       chop $result;
                    139:       $result.=')">';
                    140:     } # else nothing changed so just use the default mechanism
                    141:   }
1.68      sakharuk  142:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.42      sakharuk  143:       $result .= ' \begin{enumerate} ';
                    144:   }
1.22      albertel  145:   return $result;
1.1       albertel  146: }
                    147: 
                    148: sub end_foilgroup {
1.22      albertel  149:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    150:   
                    151:   my $result;
1.94    ! albertel  152:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
        !           153:       $target eq 'tex' || $target eq 'analyze') {
1.81      sakharuk  154:     my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
1.22      albertel  155:     my $name;
                    156:     my @opt;
                    157:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.81      sakharuk  158:     if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
1.22      albertel  159:     &Apache::lonxml::debug("Options are $#opt");
1.48      albertel  160:     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    161:     my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    162: 					       $safeeval,'-2');
1.32      sakharuk  163:     if ($target eq 'web' || $target eq 'tex') {
1.48      albertel  164:       $result.=&displayfoils($target,$max,$randomize,@opt);
1.25      albertel  165:     } elsif ( $target eq 'answer') {
1.48      albertel  166:       $result.=&displayanswers($max,$randomize,@opt);
1.34      albertel  167:     } elsif ( $target eq 'analyze') {
1.93      albertel  168: 	my @shown = &whichfoils($max,$randomize);
1.94    ! albertel  169: 	&Apache::response::analyze_store_foilgroup(\@shown,
        !           170: 						  ['text','value','location']);
1.93      albertel  171: 	my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    172: 	push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
1.22      albertel  173:     } elsif ( $target eq 'grade') {
                    174:       if ( defined $ENV{'form.submitted'}) {
1.48      albertel  175: 	my @whichopt = &whichfoils($max,$randomize);
1.22      albertel  176: 	my $temp=1;my $name;
1.26      albertel  177: 	my %responsehash;
1.57      albertel  178: 	my %grade;
1.22      albertel  179: 	my $right=0;
                    180: 	my $wrong=0;
                    181: 	my $ignored=0;
                    182: 	foreach $name (@whichopt) {
1.74      albertel  183: 	  my $response=&Apache::response::getresponse($temp);
                    184: 	  if ($ENV{'form.submitted'} eq 'scantron') {
                    185: 	      $response = $opt[$response];
                    186: 	  }
1.26      albertel  187: 	  $responsehash{$name}=$response;
1.22      albertel  188: 	  if ( $response =~ /[^\s]/) {
                    189: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
1.34      albertel  190: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
1.57      albertel  191: 	    if ($value eq $response) {
                    192: 		$grade{$name}='1'; $right++;
                    193: 	    } else {
                    194: 		$grade{$name}='0'; $wrong++;
                    195: 	    }
1.22      albertel  196: 	  } else {
                    197: 	    $ignored++;
                    198: 	  }
                    199: 	  $temp++;
                    200: 	}
1.28      albertel  201: 	my $part=$Apache::inputtags::part;
1.22      albertel  202: 	my $id = $Apache::inputtags::response['-1'];
1.28      albertel  203: 	my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.57      albertel  204: 	my $gradestr   =&Apache::lonnet::hash2str(%grade);
1.28      albertel  205: 	my %previous=&Apache::response::check_for_previous($responsestr,
                    206: 							   $part,$id);
1.22      albertel  207: 	&Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
1.75      albertel  208: 	$Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    209: 	    $responsestr;
                    210: 	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    211: 	
                    212: 	if (!$Apache::lonhomework::scantronmode) {
                    213: 	    my $ad;
                    214: 	    if ($wrong==0 && $ignored==0) {
                    215: 		$ad='EXACT_ANS';
                    216: 	    } elsif ($wrong==0 && $right==0) {
                    217: 		#nothing submitted
                    218: 	    } else {
                    219: 		if ($ignored==0) {
                    220: 		    $ad='INCORRECT';
                    221: 		} else {
                    222: 		    $ad='MISSING_ANSWER';
                    223: 		}
                    224: 	    }
                    225: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    226: 	    &Apache::response::handle_previous(\%previous,$ad);
1.22      albertel  227: 	} else {
1.75      albertel  228: 	    my $ad;
                    229: 	    if ($wrong==0 && $right==0) {
                    230: 		#nothing submitted
                    231: 	    } else {
                    232: 		$ad='ASSIGNED_SCORE';
                    233: 	    }
                    234: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    235: 	    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
                    236: 		$right/(scalar(@whichopt));
1.76      albertel  237: 	    $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
                    238: 		scalar(@whichopt);
1.1       albertel  239: 	}
1.22      albertel  240:       }
1.1       albertel  241:     }
1.92      sakharuk  242:     &Apache::lonxml::increment_counter(&getfoilcounts($max));
1.25      albertel  243:   } elsif ($target eq 'edit') {
1.22      albertel  244:     $result.=&Apache::edit::end_table();
1.74      albertel  245:   }
                    246:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
                    247:       $result .= '\end{enumerate}';
                    248:   }
1.22      albertel  249:   return $result;
1.1       albertel  250: }
                    251: 
                    252: sub getfoilcounts {
1.48      albertel  253:   my ($max)=@_;
1.22      albertel  254:   # +1 since instructors will count from 1
                    255:   my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.39      albertel  256:   if (&Apache::response::showallfoils()) { $max=$count; }
1.48      albertel  257:   if ($count>$max) { $count=$max } 
                    258:   &Apache::lonxml::debug("Count is $count from $max");
                    259:   return $count;
1.1       albertel  260: }
                    261: 
                    262: sub whichfoils {
1.77      albertel  263:     my ($max,$randomize)=@_;
                    264:     return &Apache::response::whichorder($max,$randomize,
                    265: 					 &Apache::response::showallfoils(),
                    266: 					 \%Apache::response::foilgroup);
1.1       albertel  267: }
                    268: 
1.25      albertel  269: sub displayanswers {
1.48      albertel  270:   my ($max,$randomize,@opt)=@_;
1.67      albertel  271:   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
1.25      albertel  272:   my @names = @{ $Apache::response::foilgroup{'names'} };
1.48      albertel  273:   my @whichopt = &whichfoils($max,$randomize);
1.25      albertel  274:   my $result=&Apache::response::answer_header('optionresponse');
                    275:   foreach my $name (@whichopt) {
                    276:     $result.=&Apache::response::answer_part('optionresponse',
                    277: 		     $Apache::response::foilgroup{$name.'.value'})
                    278:   }
                    279:   $result.=&Apache::response::answer_footer('optionresponse');
                    280:   return $result;
                    281: }
                    282: 
1.1       albertel  283: sub displayfoils {
1.48      albertel  284:   my ($target,$max,$randomize,@opt)=@_;
1.67      albertel  285:   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
1.22      albertel  286:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    287:   my @truelist;
                    288:   my @falselist;
1.79      sakharuk  289:   my $result;  
1.22      albertel  290:   my $name;
1.45      albertel  291:   my $displayoptionintex=0;
1.72      sakharuk  292:   my @alphabet = ('A'..'Z');
1.48      albertel  293:   my @whichopt = &whichfoils($max,$randomize);
1.28      albertel  294:   my $part=$Apache::inputtags::part;
                    295:   my $id=$Apache::inputtags::response[-1];
1.62      albertel  296:   my $break;
1.65      albertel  297:   my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
1.86      albertel  298:   if ( ($target ne 'tex') &&
                    299:        &Apache::response::show_answer() ) {
1.90      albertel  300:     my $temp=1;
1.22      albertel  301:     foreach $name (@whichopt) {
1.62      albertel  302: 	my $text=$Apache::response::foilgroup{$name.'.text'};
1.90      albertel  303: 	my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
                    304: 	my $lastopt=$lastresponse{$name};
1.62      albertel  305: 	if ($text!~/^\s*$/) {
                    306: 	    if ($target eq 'tex') {
                    307: 		$break='\vskip 0 mm ';
                    308: 	    } elsif ($target eq 'web') {
                    309: 		$break='<br />';
                    310: 	    }
                    311: 	}
                    312: 	$result.=$break;
                    313: 	if ($target eq 'web') {
                    314: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
                    315: 	    if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
                    316: 		if ($text=~/^\s*$/) {
                    317: 		    $text=$value.$text;
                    318: 		} else {
                    319: 		    $text=$value.': '.$text;
                    320: 		}
                    321: 	    }
                    322: 	    $result.=$text."\n";
1.46      sakharuk  323:       } elsif ($target eq 'tex') {
1.54      sakharuk  324: 	  $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
1.82      sakharuk  325: 	  if ($max>1) {$result .='\item ';}
                    326:  	  $result .=' \textit{'.$Apache::response::foilgroup{$name.'.value'}.'}'.
1.46      sakharuk  327: 	      ":".$Apache::response::foilgroup{$name.'.text'}."\n";
1.32      sakharuk  328:       }
1.58      sakharuk  329:       if ($Apache::lonhomework::type eq 'exam') {
                    330: 	if ($target ne 'tex') {
1.90      albertel  331: 	  $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.58      sakharuk  332:         } else {
                    333: 	  $result.=&bubbles(\@alphabet,\@opt);
                    334:         }
                    335:       }
1.90      albertel  336:       $temp++;
1.22      albertel  337:     }
                    338:   } else {
                    339:     my $temp=1;
1.28      albertel  340:     my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
1.79      sakharuk  341:     my $internal_counter=$Apache::lonxml::counter;
1.22      albertel  342:     foreach $name (@whichopt) {
1.62      albertel  343:       my $text=$Apache::response::foilgroup{$name.'.text'};
                    344:       if ($text!~/^\s*$/) {
                    345: 	  if ($target eq 'tex') {
                    346: 	      $break='\vskip 0 mm ';
                    347: 	  } elsif ($target eq 'web') {
                    348: 	      $break='<br />';
                    349: 	  }
                    350:       }
1.28      albertel  351:       my $lastopt=$lastresponse{$name};
                    352:       my $optionlist="<option></option>\n";
                    353:       my $option;
                    354:       foreach $option (@opt) {
                    355: 	if ($option eq $lastopt) {
                    356: 	  $optionlist.="<option selected=\"on\">$option</option>\n";
                    357: 	} else {
                    358: 	  $optionlist.="<option>$option</option>\n";
                    359: 	}
                    360:       }
1.32      sakharuk  361:       if ($target ne 'tex') {
1.72      sakharuk  362: 	  if ($Apache::lonhomework::type ne 'exam') {
                    363: 	    $optionlist='<select name="HWVAL_'.
1.59      albertel  364: 	      $Apache::inputtags::response['-1'].':'.$temp.'">'.
                    365: 		  $optionlist."</select>\n";
1.72      sakharuk  366: 	  }
1.59      albertel  367: 	  my $text=$Apache::response::foilgroup{$name.'.text'};
1.72      sakharuk  368: 	  if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {
1.59      albertel  369: 	      $text=$optionlist.$text;
                    370: 	  }
1.62      albertel  371: 	  $result.=$break.$text."\n";
1.49      sakharuk  372: 	  if ($Apache::lonhomework::type eq 'exam') {
1.90      albertel  373: 	    $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.49      sakharuk  374: 	  }
1.32      sakharuk  375: 	  $temp++;
                    376:       } else {
1.60      sakharuk  377:           my $texoptionlist = &optionlist_correction($optionlist);
1.45      albertel  378: 	  if ($displayoptionintex == 0) {
1.60      sakharuk  379: 	      if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist
1.46      sakharuk  380: 	      if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
1.60      sakharuk  381: 		if ($Apache::lonhomework::type eq 'exam') {
1.68      sakharuk  382: 	          $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\vskip 2 mm/;
1.60      sakharuk  383: 	        }
                    384: 	        if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
1.61      sakharuk  385: 	          $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
1.63      sakharuk  386: 	        }
1.64      albertel  387: 		$result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
1.46      sakharuk  388: 	      } else {
1.51      sakharuk  389: 		  if ($Apache::lonhomework::type eq 'exam') {
1.68      sakharuk  390: 		      $result.= $texoptionlist.'  '.$Apache::response::foilgroup{$name.'.text'};
1.51      sakharuk  391: 		  } else {
1.56      sakharuk  392: 		      $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
1.51      sakharuk  393: 		  }
1.46      sakharuk  394: 	      }
1.50      sakharuk  395: 	      if ($Apache::lonhomework::type eq 'exam') {
1.79      sakharuk  396: 		  $result.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
                    397: 		  $internal_counter++;
1.50      sakharuk  398: 	      }
1.45      albertel  399: 	      $displayoptionintex=1;
1.32      sakharuk  400: 	  } else {
1.46      sakharuk  401: 	      if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
1.51      sakharuk  402: 		  if ($Apache::lonhomework::type eq 'exam') {
1.68      sakharuk  403: 		      $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
1.51      sakharuk  404: 		  }
1.60      sakharuk  405: 	        if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
1.61      sakharuk  406: 	          $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
1.60      sakharuk  407: 	        }
                    408: 		$result.= $Apache::response::foilgroup{$name.'.text'};
1.46      sakharuk  409: 	      } else {
1.51      sakharuk  410: 		  if ($Apache::lonhomework::type eq 'exam') {
1.68      sakharuk  411: 		      $result.= '  '.$Apache::response::foilgroup{$name.'.text'};
1.51      sakharuk  412: 		  } else {
                    413: 		      $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
                    414: 		  }
1.46      sakharuk  415: 	      }
1.50      sakharuk  416: 	      if ($Apache::lonhomework::type eq 'exam') {
1.79      sakharuk  417: 		  $result.='\vskip -2 mm \parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
                    418: 		  $internal_counter++;
1.50      sakharuk  419: 	      }
1.32      sakharuk  420: 	  }
1.62      albertel  421:       }
1.1       albertel  422:     }
1.62      albertel  423:   }
1.32      sakharuk  424:   if ($target ne 'tex') {
1.62      albertel  425:       return $result.$break;
                    426:   } else {
1.32      sakharuk  427:       return $result;
1.22      albertel  428:   }
1.50      sakharuk  429: }
                    430: 
                    431: 
                    432: sub optionlist_correction {
                    433: 
                    434:     my $texoptionlist = shift;
1.83      sakharuk  435:     if ($texoptionlist=~/<option selected/ or $texoptionlist=~/<option>[^<]+<\/option>/) {
1.85      sakharuk  436: 	$texoptionlist =~ s/<option><\/option>/\\item \[\] Choices: /;
1.80      sakharuk  437: 	$texoptionlist =~ s/<option>/\{\\bf /g;
                    438: 	$texoptionlist =~ s/<option selected="on">/\{\\bf /g;
                    439: 	$texoptionlist =~ s/<\/option>/\},/g;
                    440: 	$texoptionlist =~ s/,$/\./g;
                    441: 	$texoptionlist =~ s/>/\$>\$/g;
                    442: 	$texoptionlist =~ s/</\$<\$/g;
                    443: 	$texoptionlist =~ s/=/\$=\$/g;
                    444: 	$texoptionlist =~ s/\^(\d+)/<m>\$$1\$<\/m>/g;
                    445:     } else {
                    446: 	$texoptionlist =~ s/<option><\/option>/\\item \[\] \\vskip -5 mm/;
                    447:     }
1.50      sakharuk  448:     return $texoptionlist;
1.58      sakharuk  449: }
                    450: 
                    451: 
                    452: sub webbubbles {
                    453: 
1.90      albertel  454:     my ($ropt,$ralphabet,$temp,$lastopt)=@_;
1.58      sakharuk  455:     my @opt=@$ropt; 
                    456:     my @alphabet=@$ralphabet;
                    457:     my $result='';
1.90      albertel  458:     my $number_of_bubbles = $#opt + 1;
                    459:     $result.= '<table border="1"><tr>';
                    460:     for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
                    461: 	my $checked='';
                    462: 	if ($lastopt eq $opt[$ind]) {
                    463: 	    $checked=' checked="on" ';
1.58      sakharuk  464: 	}
1.90      albertel  465: 	$result.='<td><input type="radio" name="HWVAL_'.
                    466: 	    $Apache::inputtags::response['-1'].':'.$temp.
                    467: 	    '" value="'.$opt[$ind].'" '.$checked.' />'.$alphabet[$ind].': '.
                    468: 	    $opt[$ind].'</td>';
                    469:     }
                    470:     $result.='</tr></table>';
                    471:     return $result;
1.50      sakharuk  472: }
                    473: 
                    474: 
                    475: sub bubbles {
                    476: 
                    477:     my ($ralphabit,$ropt) = @_;
                    478:     my @alphabet = @$ralphabit;
                    479:     my @opt = @$ropt;
1.51      sakharuk  480:     my ($result,$head,$line) =('','','');
1.50      sakharuk  481:     my $number_of_bubbles = $#opt + 1;
1.51      sakharuk  482:     my $current_length = 0;
                    483:     for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
                    484: 	$current_length += (length($opt[$ind])+length($alphabet[$ind])+2)*2;
1.52      sakharuk  485: 	if ($current_length<0.9*$ENV{'form.textwidth'} and $ind!=$number_of_bubbles) {
1.51      sakharuk  486: 	    $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
                    487: 	    $head.='lr';
                    488: 	} else {
                    489: 	    $line=~s/\&\s*$//;
                    490: 	    $result.='\vskip -5 mm\begin{tabular}{'.$head.'}\\\\'.$line.'\\\\\end{tabular}';
                    491: 	    $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
                    492: 	    $head ='lr';
                    493: 	    $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
                    494: 	}
                    495: 
1.50      sakharuk  496:     }
                    497:     return $result;
1.1       albertel  498: }
                    499: 
1.22      albertel  500: 
1.2       albertel  501: sub start_conceptgroup {
1.22      albertel  502:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    503:   $Apache::optionresponse::conceptgroup=1;
1.44      albertel  504:   %Apache::response::conceptgroup=();
1.22      albertel  505:   my $result;
                    506:   if ($target eq 'edit') {
                    507:     $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
1.30      matthew   508:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    509:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.22      albertel  510:   }
                    511:   if ($target eq 'modified') {
                    512:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
                    513:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    514:   }
                    515:   return $result;
1.2       albertel  516: }
                    517: 
                    518: sub end_conceptgroup {
1.22      albertel  519:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    520:   $Apache::optionresponse::conceptgroup=0;
                    521:   my $result='';
1.93      albertel  522:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    523:       $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  524:     #if not there aren't any foils to display and thus no question
1.93      albertel  525:       &Apache::response::pick_foil_for_concept($target,
                    526: 					       ['value','text','location'],
                    527: 					       \%Apache::hint::option,
                    528: 					       $parstack,$safeeval);
1.34      albertel  529:   } elsif ($target eq 'edit') {
1.22      albertel  530:     $result=&Apache::edit::end_table();
                    531:   }
                    532:   return $result;
1.2       albertel  533: }
                    534: 
1.16      albertel  535: sub insert_conceptgroup {
1.22      albertel  536:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    537:   return $result;
1.16      albertel  538: }
                    539: 
1.1       albertel  540: sub start_foil {
1.22      albertel  541:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    542:   my $result='';
1.34      albertel  543:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
1.25      albertel  544:     &Apache::lonxml::startredirection;
                    545:   } elsif ($target eq 'edit') {
1.22      albertel  546:     $result=&Apache::edit::tag_start($target,$token,"Foil");
                    547:     my $level='-2';
                    548:     if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
                    549:     my @opt;
                    550:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
                    551:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.48      albertel  552:     $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
                    553: 					       ['unused',(@opt)],$token,'15');
                    554:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    555: 					     $safeeval,'-3');
                    556:     if ($randomize ne 'no') {
                    557: 	$result.=&Apache::edit::select_arg('Location:','location',
                    558: 					   ['random','top','bottom'],$token);
                    559:     }
1.30      matthew   560:     $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.25      albertel  561:   } elsif ($target eq 'modified') {
1.48      albertel  562:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    563: 						 'value','name','location');
1.22      albertel  564:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.32      sakharuk  565:   } 
1.22      albertel  566:   return $result;
1.1       albertel  567: }
                    568: 
                    569: sub end_foil {
1.22      albertel  570:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    571:   my $text ='';
                    572:   my $result = '';
1.88      albertel  573:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
1.48      albertel  574:       $text=&Apache::lonxml::endredirection;
1.68      sakharuk  575:       if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }
1.32      sakharuk  576:   }
                    577:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
1.34      albertel  578:       || $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  579:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    580:     if ($value ne 'unused') {
                    581:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48      albertel  582:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.22      albertel  583:       &Apache::lonxml::debug("Got a name of :$name:");
                    584:       if (!$name) { $name=$Apache::lonxml::curdepth; }
                    585:       &Apache::lonxml::debug("Using a name of :$name:");
1.39      albertel  586:       if ( $Apache::optionresponse::conceptgroup
                    587: 	   && !&Apache::response::showallfoils() ) {
1.22      albertel  588: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    589: 	$Apache::response::conceptgroup{"$name.value"} = $value;
1.70      albertel  590: 	if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.69      sakharuk  591: 	    $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;
                    592: 	} else {
1.87      sakharuk  593: 	    $Apache::response::conceptgroup{"$name.text"} = $text;
1.69      sakharuk  594: 	}
1.48      albertel  595: 	$Apache::response::conceptgroup{"$name.location"} = $location;
1.22      albertel  596:       } else {
                    597: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
1.48      albertel  598: 	$Apache::response::foilgroup{"$name.value"} = $value;
1.78      sakharuk  599: 	if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.69      sakharuk  600: 	    $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
                    601: 	} else {
1.87      sakharuk  602: 	    $Apache::response::foilgroup{"$name.text"} = $text;
1.69      sakharuk  603: 	}
1.48      albertel  604: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.22      albertel  605:       }
                    606:     }
                    607:   }
                    608:   if ($target eq 'edit') {
                    609:     $result.= &Apache::edit::tag_end($target,$token,'');
                    610:   }
                    611:   return $result;
1.1       albertel  612: }
                    613: 
1.7       albertel  614: sub insert_foil {
1.22      albertel  615:   return '
1.15      albertel  616: <foil name="" value="unused">
1.14      albertel  617: <startouttext />
                    618: <endouttext />
1.7       albertel  619: </foil>';
                    620: }
1.1       albertel  621: 1;
                    622: __END__
                    623:  

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