Annotation of loncom/homework/optionresponse.pm, revision 1.183

1.46      sakharuk    1: # LearningOnline Network with CAPA
1.22      albertel    2: # option list style responses
1.27      albertel    3: #
1.183   ! raeburn     4: # $Id: optionresponse.pm,v 1.182 2011/11/08 05:19:14 raeburn 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: #
1.154     jms        28: 
                     29: 
                     30: 
                     31: 
                     32: 
1.1       albertel   33: package Apache::optionresponse;
                     34: use strict;
1.183   ! raeburn    35: use Apache::inputtags();
1.103     albertel   36: use Apache::response();
                     37: use Apache::lonlocal;
1.125     albertel   38: use Apache::lonnet;
1.1       albertel   39: 
1.31      harris41   40: BEGIN {
1.1       albertel   41:   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
                     42: }
                     43: 
                     44: sub start_optionresponse {
1.22      albertel   45:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     46:   my $result='';
1.29      albertel   47:   #when in a option response use these
1.112     sakharuk   48:   &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22      albertel   49:   push (@Apache::lonxml::namespace,'optionresponse');
                     50:   my $id = &Apache::response::start_response($parstack,$safeeval);
1.57      albertel   51:   %Apache::hint::option=();
1.103     albertel   52:   undef(%Apache::response::foilnames);
1.22      albertel   53:   if ($target eq 'edit') {
1.153     bisitz     54:     $result.=&Apache::edit::start_table($token)
                     55:        .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> '
                     56:        .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>"
                     57:        .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
                     58:        .&Apache::edit::deletelist($target,$token)
                     59:        .'</span></td>'
                     60:        ."<td>&nbsp;"
                     61:        .&Apache::edit::end_row()
                     62:        .&Apache::edit::start_spanning_row()
                     63:        ."\n";
1.48      albertel   64:     $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
                     65: 				     $token,'4').
1.153     bisitz     66:         &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.48      albertel   67: 				  ['yes','no'],$token).
1.108     albertel   68:         &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
1.157     raeburn    69: 				  [['horizontal','Normal list'],
                     70: 				   ['vertical','Listed in a vertical column']],$token).
1.48      albertel   71:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.34      albertel   72:   } elsif ($target eq 'modified') {
1.23      albertel   73:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.108     albertel   74: 						 $safeeval,'max','randomize',
                     75: 						 'TeXlayout');
1.22      albertel   76:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.34      albertel   77:   } elsif ($target eq 'meta') {
1.23      albertel   78:     $result=&Apache::response::meta_package_write('optionresponse');
1.34      albertel   79:   } elsif ($target eq 'analyze') {
1.93      albertel   80:     my $part_id="$Apache::inputtags::part.$id";
1.149     raeburn    81:     $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
1.34      albertel   82:     push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.148     raeburn    83:     push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
1.145     foxr       84: 
1.22      albertel   85:   }
                     86:   return $result;
1.1       albertel   87: }
                     88: 
                     89: sub end_optionresponse {
1.22      albertel   90:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     91:   &Apache::response::end_response;
                     92:   pop @Apache::lonxml::namespace;
1.112     sakharuk   93:   &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
1.22      albertel   94:   my $result;
                     95:   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.103     albertel   96:   undef(%Apache::response::foilnames);
1.22      albertel   97:   return $result;
1.1       albertel   98: }
                     99: 
1.44      albertel  100: %Apache::response::foilgroup=();
1.1       albertel  101: sub start_foilgroup {
1.22      albertel  102:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    103: 
                    104:   my $result='';
1.44      albertel  105:   %Apache::response::foilgroup=();
1.22      albertel  106:   $Apache::optionresponse::conceptgroup=0;
1.173     raeburn   107:   &Apache::response::pushrandomnumber(undef,$target);
1.22      albertel  108:   if ($target eq 'edit') {
                    109:     my $optionlist="<option></option>\n";
                    110:     my $option;
                    111:     my @opt;
                    112:     eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
                    113:     my $count=1;
                    114:     foreach $option (@opt) {
                    115:       $optionlist.="<option value=\"$count\">$option</option>\n";
                    116:       $count++;
                    117:     }
                    118:     my $insertlist=&Apache::edit::insertlist($target,$token);
                    119:     $result.=&Apache::edit::start_table($token);
                    120:     $result.= (<<ENDTABLE);
                    121:       <tr><td>Select Options</td>
1.13      albertel  122:         <td>
                    123: 	  Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
                    124:         </td>
                    125:         <td>Delete an Option:
                    126: 	  <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
1.162     www       127:         </td>
1.13      albertel  128: ENDTABLE
1.162     www       129:     $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions',
1.132     albertel  130: 					 [ ['nochoice','Don\'t show option list'] ]
1.162     www       131: 					 ,$token).'</td>';
                    132:     $result.= '<td><label>'.&mt('Two-option checkboxes for:').
                    133:               '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">';
                    134:     foreach $option (('',@opt)) {
                    135:        $result.='<option value="'.$option.'"';
                    136:        if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) {
                    137:           $result.=' selected="selected"';
                    138:        }
                    139:        $result.='>'.$option.'</option>';
                    140:     }
1.172     www       141:     $result.='</select></label>';
                    142:     $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions',
                    143:                                          [ ['nochoice','Don\'t show option list'] ]
                    144:                                          ,$token).'</td>';
1.30      matthew   145:     $result.= &Apache::edit::end_row();
                    146:     $result.= &Apache::edit::start_spanning_row();
                    147:     $result.= $insertlist.'<br />';
1.22      albertel  148:   }
                    149:   if ($target eq 'modified') {
                    150:     my @options;
                    151:     my $optchanged=0;
                    152:     eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.125     albertel  153:     if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
                    154:       my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
1.22      albertel  155:       &Apache::lonxml::debug("Deleting :$delopt:");
                    156:       splice(@options,$delopt-1,1);
                    157:       $optchanged=1;
                    158:     }
1.180     raeburn   159:     if ($env{"form.$Apache::lonxml::curdepth.options"} ne '') {
1.125     albertel  160:       my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
1.180     raeburn   161:       push(@options,$newopt);
1.22      albertel  162:       $optchanged=1;
                    163:     }
1.132     albertel  164:     my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
1.172     www       165: 						 'texoptions','checkboxvalue','checkboxoptions');
1.132     albertel  166:     if ($optchanged || $rebuildtag ) {
1.22      albertel  167:       $result = "<foilgroup options=\"(";
                    168:       foreach my $option (@options) {
1.41      albertel  169: 	$option=~s/\'/\\\'/g;
1.22      albertel  170: 	&Apache::lonxml::debug("adding option :$option:");
                    171: 	$result .="'".$option."',";
                    172:       }
                    173:       chop $result;
1.132     albertel  174:       $result.=')" ';
                    175:       $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
1.172     www       176:       $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
1.162     www       177:       $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
1.132     albertel  178:       $result .= '>';
1.22      albertel  179:     } # else nothing changed so just use the default mechanism
                    180:   }
1.68      sakharuk  181:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.152     onken     182:     if($env{'form.pdfFormFields'} ne 'yes') {
1.167     raeburn   183:       $result .= ' \begin{itemize} ';
1.152     onken     184:     } else {
                    185:       $result .= "\\\\";
                    186:     }
1.42      sakharuk  187:   }
1.22      albertel  188:   return $result;
1.1       albertel  189: }
                    190: 
                    191: sub end_foilgroup {
1.22      albertel  192:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    193:   
                    194:   my $result;
1.94      albertel  195:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
                    196:       $target eq 'tex' || $target eq 'analyze') {
1.81      sakharuk  197:     my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
1.22      albertel  198:     my $name;
                    199:     my @opt;
                    200:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.126     albertel  201:     &Apache::lonxml::debug("options:".join(':',@opt));
                    202: 
1.108     albertel  203:     my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
                    204: 					     -2,0);
1.161     www       205:     my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
1.172     www       206:     my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
1.81      sakharuk  207:     if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
1.22      albertel  208:     &Apache::lonxml::debug("Options are $#opt");
1.48      albertel  209:     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    210:     my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    211: 					       $safeeval,'-2');
1.32      sakharuk  212:     if ($target eq 'web' || $target eq 'tex') {
1.182     raeburn   213:       $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,$tex_option_switch,@opt);
1.137     albertel  214:       $Apache::lonxml::post_evaluate=0;
1.25      albertel  215:     } elsif ( $target eq 'answer') {
1.48      albertel  216:       $result.=&displayanswers($max,$randomize,@opt);
1.136     foxr      217:       
1.34      albertel  218:     } elsif ( $target eq 'analyze') {
1.93      albertel  219: 	my @shown = &whichfoils($max,$randomize);
1.94      albertel  220: 	&Apache::response::analyze_store_foilgroup(\@shown,
                    221: 						  ['text','value','location']);
1.93      albertel  222: 	my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    223: 	push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
1.22      albertel  224:     } elsif ( $target eq 'grade') {
1.175     www       225: 
1.124     albertel  226:       if ( &Apache::response::submitted()) {
1.175     www       227: 
1.48      albertel  228: 	my @whichopt = &whichfoils($max,$randomize);
1.22      albertel  229: 	my $temp=1;my $name;
1.26      albertel  230: 	my %responsehash;
1.57      albertel  231: 	my %grade;
1.22      albertel  232: 	my $right=0;
                    233: 	my $wrong=0;
                    234: 	my $ignored=0;
1.177     raeburn   235:         my ($numrows,$bubbles_per_row);
                    236:         if ($Apache::lonhomework::scantronmode) {
                    237:             my $numitems = scalar(@opt);
                    238:             ($numrows,$bubbles_per_row) =
                    239:                 &Apache::optionresponse::getnumrows($numitems);
                    240:         }
                    241:         if ($numrows < 1) {
                    242:             $numrows = 1;
                    243:         }
1.22      albertel  244: 	foreach $name (@whichopt) {
1.177     raeburn   245: 	  my $response;
                    246:           if ($env{'form.submitted'} eq 'scantron') {
                    247:               if ($numrows > 1) {
                    248:                   my $num = $temp;
                    249:                   my $totalnum;
                    250:                   for (my $i=0; $i<$numrows; $i++) {
                    251:                       my $item = &Apache::response::getresponse($num);
                    252:                       if ($item =~ /^\d+$/) {
                    253:                           $totalnum = $i*$bubbles_per_row + $item;
                    254:                       }
                    255:                       $num ++;
                    256:                   }
                    257:                   if ($totalnum =~ /^\d+$/) {
                    258:                       $response = $opt[$totalnum];
                    259:                   }
                    260:                   $temp += $numrows;
                    261:               } else {
1.178     raeburn   262:                   $response=&Apache::response::getresponse($temp);
1.177     raeburn   263:                   if ($response=~/\S/) {
                    264:                       $response = $opt[$response];
                    265:                   }
                    266:                   $temp ++;
                    267:               }
                    268: 	  } else {
1.178     raeburn   269:               $response=&Apache::response::getresponse($temp);
1.177     raeburn   270:               $temp ++;
                    271:           }
1.22      albertel  272: 	  if ( $response =~ /[^\s]/) {
1.96      albertel  273: 	    $responsehash{$name}=$response;
1.22      albertel  274: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
1.34      albertel  275: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
1.57      albertel  276: 	    if ($value eq $response) {
                    277: 		$grade{$name}='1'; $right++;
                    278: 	    } else {
                    279: 		$grade{$name}='0'; $wrong++;
                    280: 	    }
1.22      albertel  281: 	  } else {
                    282: 	    $ignored++;
                    283: 	  }
                    284: 	}
1.28      albertel  285: 	my $part=$Apache::inputtags::part;
1.183   ! raeburn   286:         my $nonlenient=&Apache::inputtags::grading_is_nonlenient($part);
1.22      albertel  287: 	my $id = $Apache::inputtags::response['-1'];
1.28      albertel  288: 	my $responsestr=&Apache::lonnet::hash2str(%responsehash);
1.57      albertel  289: 	my $gradestr   =&Apache::lonnet::hash2str(%grade);
1.28      albertel  290: 	my %previous=&Apache::response::check_for_previous($responsestr,
                    291: 							   $part,$id);
1.22      albertel  292: 	&Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
1.75      albertel  293: 	$Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    294: 	    $responsestr;
                    295: 	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
1.173     raeburn   296:         if ($Apache::lonhomework::type eq 'randomizetry') {
                    297:             $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
                    298:         }
1.163     raeburn   299: 	if (($Apache::lonhomework::type eq 'survey') ||
                    300:             ($Apache::lonhomework::type eq 'surveycred') ||
                    301:             ($Apache::lonhomework::type eq 'anonsurvey') ||
                    302:             ($Apache::lonhomework::type eq 'anonsurveycred')) {
1.121     albertel  303: 	    if ($ignored == 0) {
1.163     raeburn   304:                 my $ad;
                    305:                 if ($Apache::lonhomework::type eq 'anonsurveycred') {
                    306:                     $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
                    307:                 } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
                    308:                     $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
                    309:                 } elsif ($Apache::lonhomework::type eq 'surveycred') {
                    310:                     $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
                    311:                 } else {
                    312: 		    $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
                    313:                 }
1.121     albertel  314: 		&Apache::response::handle_previous(\%previous,$ad);
                    315: 	    } elsif ($wrong==0 && $right==0) {
                    316: 	    } else {
                    317: 		my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
                    318: 		&Apache::response::handle_previous(\%previous,$ad);
                    319: 	    }
1.174     www       320: 	} elsif ($nonlenient) {
                    321: #
                    322: # Non-lenient mode. All right or all wrong
                    323: #
1.75      albertel  324: 	    my $ad;
                    325: 	    if ($wrong==0 && $ignored==0) {
                    326: 		$ad='EXACT_ANS';
                    327: 	    } elsif ($wrong==0 && $right==0) {
                    328: 		#nothing submitted
                    329: 	    } else {
                    330: 		if ($ignored==0) {
                    331: 		    $ad='INCORRECT';
                    332: 		} else {
                    333: 		    $ad='MISSING_ANSWER';
                    334: 		}
                    335: 	    }
                    336: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    337: 	    &Apache::response::handle_previous(\%previous,$ad);
1.22      albertel  338: 	} else {
1.174     www       339: #
                    340: # This is lenient mode
                    341: #
1.75      albertel  342: 	    my $ad;
                    343: 	    if ($wrong==0 && $right==0) {
1.120     albertel  344: 		#nothing submitted only assign a score if we 
                    345: 		#need to override a previous grade
                    346: 		if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
                    347: 		    $ad='ASSIGNED_SCORE';
                    348: 		}
1.75      albertel  349: 	    } else {
                    350: 		$ad='ASSIGNED_SCORE';
                    351: 	    }
                    352: 	    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    353: 	    $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
                    354: 		$right/(scalar(@whichopt));
1.76      albertel  355: 	    $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
                    356: 		scalar(@whichopt);
1.1       albertel  357: 	}
1.22      albertel  358:       }
1.1       albertel  359:     }
1.147     foxr      360:     my $part_id     = $Apache::inputtags::part;
                    361:     my $response_id = $Apache::inputtags::response[-1];
1.177     raeburn   362:     my ($numrows,$bubbles_per_row);
                    363:     if (($target eq 'tex') && ($Apache::lonhomework::type eq 'exam')) {
                    364:         ($numrows,$bubbles_per_row) =
                    365:             &Apache::optionresponse::getnumrows(scalar(@opt));
                    366:     }
                    367:     if ($numrows < 1) {
                    368:         $numrows = 1;
                    369:     }
                    370:     my $increment = &getfoilcounts($max) * $numrows;
                    371:     &Apache::lonxml::increment_counter($increment,"$part_id.$response_id");
1.146     foxr      372:     if ($target eq 'analyze') {
                    373: 	&Apache::lonhomework::set_bubble_lines();
                    374:     }
                    375: 
1.25      albertel  376:   } elsif ($target eq 'edit') {
1.22      albertel  377:     $result.=&Apache::edit::end_table();
1.74      albertel  378:   }
                    379:   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.152     onken     380:     if($env{'form.pdfFormFields'} ne 'yes') {
1.167     raeburn   381:       $result .= '\end{itemize}'; 
1.152     onken     382:     } else {
                    383:       $result .= "\\\\";
                    384:     }
1.74      albertel  385:   }
1.110     albertel  386:   &Apache::response::poprandomnumber();
1.22      albertel  387:   return $result;
1.1       albertel  388: }
                    389: 
                    390: sub getfoilcounts {
1.48      albertel  391:   my ($max)=@_;
1.22      albertel  392:   # +1 since instructors will count from 1
                    393:   my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
1.39      albertel  394:   if (&Apache::response::showallfoils()) { $max=$count; }
1.48      albertel  395:   if ($count>$max) { $count=$max } 
                    396:   &Apache::lonxml::debug("Count is $count from $max");
                    397:   return $count;
1.1       albertel  398: }
                    399: 
                    400: sub whichfoils {
1.77      albertel  401:     my ($max,$randomize)=@_;
                    402:     return &Apache::response::whichorder($max,$randomize,
                    403: 					 &Apache::response::showallfoils(),
                    404: 					 \%Apache::response::foilgroup);
1.1       albertel  405: }
                    406: 
1.25      albertel  407: sub displayanswers {
1.130     albertel  408:     my ($max,$randomize,@opt)=@_;
                    409:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
                    410:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    411:     my @whichopt = &whichfoils($max,$randomize);
                    412:     my $result;
                    413:     if ($Apache::lonhomework::type eq 'exam') {
                    414: 	my $i = 0;
                    415: 	my %opt = map { ($_,$i++) } @opt;
                    416: 	
                    417: 	$i = 0;
                    418: 	my @alphabet = ('A'..'Z');
                    419: 	foreach my $name (@whichopt) {
                    420: 	    $result.=&Apache::response::answer_header('optionresponse',$i++);
                    421: 	    $result.=&Apache::response::answer_part('optionresponse',
                    422: 						    $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
                    423: 	    $result.=&Apache::response::answer_part('optionresponse',
                    424: 						    $Apache::response::foilgroup{$name.'.value'});
                    425: 	    $result.=&Apache::response::answer_footer('optionresponse');
                    426: 	}
                    427:     } else {
                    428: 	$result=&Apache::response::answer_header('optionresponse');
                    429: 	foreach my $name (@whichopt) {
                    430: 	    $result.=&Apache::response::answer_part('optionresponse',
                    431: 						    $Apache::response::foilgroup{$name.'.value'});
                    432: 	}
                    433: 	$result.=&Apache::response::answer_footer('optionresponse');
                    434:     }
                    435:     return $result;
1.25      albertel  436: }
                    437: 
1.160     www       438: sub check_box_opt {
1.161     www       439:     my ($target,$checkboxvalue,@opt)=@_;
                    440: # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
                    441: # If so, return "checked" value
                    442:     if ($#opt!=1) { return ''; }
                    443:     if ($target ne 'web') { return ''; }
                    444:     return $checkboxvalue;
1.160     www       445: }
                    446: 
1.106     albertel  447: sub check_for_invalid {
                    448:     my ($names,$options) = @_;
                    449:     my %bad_names;
                    450:     foreach my $name (@{ $names }) {
                    451: 	my $value=$Apache::response::foilgroup{$name.'.value'};
                    452: 	my $found=0;
                    453: 	foreach my $option (@{ $options }) {
                    454: 	    if ($value eq $option) { $found=1; }
                    455: 	}
                    456: 	if (!$found) { $bad_names{$name}=$value; }
                    457:     }
                    458:     if (%bad_names) {
                    459: 	my $error=&mt('The question can not be gotten correct, '.
                    460: 	    'the following foils in the &lt;optionresponse&gt; '.
                    461: 	    'have invalid correct options').' <br /><tt>'.
                    462: 	    join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
                    463: 	    "</tt>";
                    464: 	&Apache::lonxml::error($error);
                    465:     }
                    466: }
                    467: 
1.1       albertel  468: sub displayfoils {
1.182     raeburn   469:   my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,
                    470:       $tex_option_switch,@opt)=@_;
1.67      albertel  471:   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
1.22      albertel  472:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    473:   my @truelist;
                    474:   my @falselist;
1.79      sakharuk  475:   my $result;  
1.22      albertel  476:   my $name;
1.101     albertel  477:   my $displayoptionintex=1;
1.72      sakharuk  478:   my @alphabet = ('A'..'Z');
1.48      albertel  479:   my @whichopt = &whichfoils($max,$randomize);
1.182     raeburn   480:   unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) {
                    481:       &check_for_invalid(\@whichopt,\@opt);
                    482:   }
1.28      albertel  483:   my $part=$Apache::inputtags::part;
                    484:   my $id=$Apache::inputtags::response[-1];
1.62      albertel  485:   my $break;
1.86      albertel  486:   if ( ($target ne 'tex') &&
                    487:        &Apache::response::show_answer() ) {
1.90      albertel  488:     my $temp=1;
1.22      albertel  489:     foreach $name (@whichopt) {
1.62      albertel  490: 	my $text=$Apache::response::foilgroup{$name.'.text'};
1.163     raeburn   491:         my $lastresp;
                    492:         unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
                    493:             $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
                    494:         }
                    495: 	my %lastresponse=&Apache::lonnet::str2hash($lastresp);
1.90      albertel  496: 	my $lastopt=$lastresponse{$name};
1.101     albertel  497: 	if ($text!~/^\s*$/) { $break='<br />'; }
1.62      albertel  498: 	$result.=$break;
1.113     sakharuk  499: 	if ($target eq 'web') {
1.62      albertel  500: 	    my $value=$Apache::response::foilgroup{$name.'.value'};
                    501: 	    if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
                    502: 		if ($text=~/^\s*$/) {
                    503: 		    $text=$value.$text;
                    504: 		} else {
1.127     albertel  505: 		    $text='<b>'.$value.':</b> '.$text;
1.62      albertel  506: 		}
1.95      albertel  507: 	    } else {
1.170     raeburn   508:                 if (@whichopt > 1) {
                    509:                     $text='&#149;'.$text;
                    510:                 }
1.62      albertel  511: 	    }
                    512: 	    $result.=$text."\n";
1.112     sakharuk  513: 	}
1.58      sakharuk  514:       if ($Apache::lonhomework::type eq 'exam') {
1.90      albertel  515: 	  $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.58      sakharuk  516:       }
1.90      albertel  517:       $temp++;
1.22      albertel  518:     }
                    519:   } else {
                    520:     my $temp=1;
1.173     raeburn   521:     my %lastresponse;
                    522:     my $newvariation;
                    523:     if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
                    524:         ($Apache::lonhomework::type eq 'randomizetry')) &&
                    525:         ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
                    526:         if ($env{'form.'.$part.'.rndseed'} ne
                    527:             $Apache::lonhomework::history{"resource.$part.rndseed"}) {
                    528:             $newvariation = 1;
                    529:         }
                    530:     }
                    531:     unless ($newvariation) {
                    532:         %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
                    533:     }
1.79      sakharuk  534:     my $internal_counter=$Apache::lonxml::counter;
1.161     www       535:     my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
1.160     www       536:     if ($checkboxopt) {
1.172     www       537:        $result.='<br />'.
                    538:                 ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
1.168     www       539:                  &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
1.160     www       540:     }
1.22      albertel  541:     foreach $name (@whichopt) {
1.62      albertel  542:       my $text=$Apache::response::foilgroup{$name.'.text'};
                    543:       if ($text!~/^\s*$/) {
                    544: 	  if ($target eq 'tex') {
                    545: 	      $break='\vskip 0 mm ';
                    546: 	  } elsif ($target eq 'web') {
                    547: 	      $break='<br />';
                    548: 	  }
                    549:       }
1.28      albertel  550:       my $lastopt=$lastresponse{$name};
                    551:       my $optionlist="<option></option>\n";
1.152     onken     552: 
1.158     onken     553:       if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
                    554:          && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.152     onken     555:           my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
                    556:           $optionlist =  &Apache::lonxml::print_pdf_start_combobox($fieldname);
                    557:       }
                    558: 
1.126     albertel  559:       foreach my $option (@opt) {
                    560: 	  my $escopt=&HTML::Entities::encode($option,'\'"&<>');
1.152     onken     561:           if ($option eq $lastopt) {
1.158     onken     562:               if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.164     onken     563:                   && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
                    564:                   && $Apache::lonhomework::type ne 'exam') {
1.152     onken     565:                   $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
                    566:               } else {
                    567:                   $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
                    568:               }
                    569:           } else {
1.158     onken     570:               if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.164     onken     571:                   && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
                    572:                   && $Apache::lonhomework::type ne 'exam') {
1.152     onken     573:                   $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
                    574:               } else {
                    575:                   $optionlist.="<option value='".$escopt."'>$option</option>\n";
                    576:               }
                    577:           }
1.28      albertel  578:       }
1.32      sakharuk  579:       if ($target ne 'tex') {
1.72      sakharuk  580: 	  if ($Apache::lonhomework::type ne 'exam') {
1.159     www       581: # we are on the web, this is not an exam, and the problem can be answered
                    582:               if ($checkboxopt) {
                    583: # generate checkboxes
                    584:                   my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
                    585:                   my $altopt=$opt[0];
                    586:                   if ($opt[0] eq $checkboxopt) {
                    587:                      $altopt=$opt[1];
                    588:                   }
                    589:                   my $defopt=$lastopt;
                    590:                   unless ($defopt) { $defopt=$altopt; }
                    591:                   my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
                    592:                   my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
                    593:                   my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
                    594: # checkboxopt is how the box is labelled
                    595: # altopt is the alternative option
                    596: # lastopt is what the user submitted before
                    597: # defopt is what the field is going to start out with: either previous choice or altopt
                    598: # fieldname is this input field's name after HWVAL_
                    599:                   $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
1.160     www       600:                   '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
                    601:                   $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
1.159     www       602:               } else {
                    603: # classic selection list
                    604: 	          $optionlist='<select onchange="javascript:setSubmittedPart(\''.
1.139     albertel  605: 		  $part.'\');" name="HWVAL_'.
1.101     albertel  606: 		  $Apache::inputtags::response['-1'].':'.$temp.'">'.
1.59      albertel  607: 		  $optionlist."</select>\n";
1.159     www       608:               }
1.101     albertel  609: 	  } else {
                    610: 	      $optionlist='<u>'.('&nbsp;'x10).'</u>';
1.72      sakharuk  611: 	  }
1.101     albertel  612: 	  if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
                    613: 	      if ($Apache::lonhomework::type ne 'exam') {
1.170     raeburn   614:                   if (@whichopt > 1) {  
                    615:                       $text='&#149;'.$text;
                    616:                   }
1.101     albertel  617: 	      }
1.95      albertel  618: 	  } else {
1.101     albertel  619: 	      if ($Apache::lonhomework::type ne 'exam') {
                    620: 		  $text=$optionlist.$text;
                    621: 	      }
1.59      albertel  622: 	  }
1.62      albertel  623: 	  $result.=$break.$text."\n";
1.49      sakharuk  624: 	  if ($Apache::lonhomework::type eq 'exam') {
1.101     albertel  625: 	      $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
1.49      sakharuk  626: 	  }
1.32      sakharuk  627: 	  $temp++;
                    628:       } else {
1.101     albertel  629: 	  my $texoptionlist='';
                    630: 	  if ($displayoptionintex &&
                    631: 	      $Apache::lonhomework::type ne 'exam') {
1.107     sakharuk  632: 	      $texoptionlist = &optionlist_correction($TeXlayout,@opt);
1.101     albertel  633: 	  }
                    634: 	  if ($text=~/<drawoptionlist\s*\/>/) {
1.136     foxr      635: 	      $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
1.101     albertel  636: 	  }
                    637: 
                    638: 	  if ($text=~m/\\item /) {
1.50      sakharuk  639: 	      if ($Apache::lonhomework::type eq 'exam') {
1.101     albertel  640: 	          $text=~s/\\item/\\vskip 2 mm/;
1.152     onken     641: 	      } elsif ($env{'form.pdfFormFields'} ne 'yes') {
                    642:                   $result.= $texoptionlist.$text;
                    643:               }
                    644:           } else {
1.101     albertel  645: 	      if ($Apache::lonhomework::type eq 'exam') {
                    646: 		  $result.= $texoptionlist.'  '.$text;
1.152     onken     647: 	      } elsif ($env{'form.pdfFormFields'} ne 'yes') {
                    648: 		  if ($text=~/\S/) {
                    649:                       $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
                    650:                   } else {
                    651:                       $result.= $texoptionlist;
                    652:                   }
1.50      sakharuk  653: 	      }
1.32      sakharuk  654: 	  }
1.101     albertel  655: 	  if ($Apache::lonhomework::type eq 'exam') {
1.165     foxr      656: 	      $result.='\vskip -1 mm\noindent';
1.177     raeburn   657:               my ($numrows,$bubbles_per_row) = &getnumrows(scalar(@opt)); 
                    658:               if ($numrows == 1) {  
                    659:                   $result .= '\textbf{'.$internal_counter.'}. \vskip -3mm';
                    660:               } else {
                    661:                   my $linetext;
                    662:                   for (my $i=0; $i<$numrows; $i++) {
                    663:                       $linetext .= $internal_counter+$i.', ';
                    664:                   }
                    665:                   $linetext =~ s/,\s$//;
                    666:                   $result .= '\small {\textbf{'.$linetext.'}} '.
                    667:                              '\hskip 2 mm {\footnotesize '.
                    668:                              &mt('(Bubble once in [_1] lines)',$numrows).
                    669:                              '} \vskip 1 mm';
                    670:               }
                    671:               $result.= &bubbles(\@alphabet,\@opt,undef,undef,$numrows,
                    672:                                  $bubbles_per_row,$internal_counter).
                    673:                         ' \strut ';
                    674: 	      $internal_counter += $numrows;
1.101     albertel  675: 	  }
1.158     onken     676:           if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
1.164     onken     677:               && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
                    678:               && $Apache::lonhomework::type ne 'exam') {
1.158     onken     679:               $text =~ s/\\item//m;
1.152     onken     680:               $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
                    681:               $temp++;
                    682:           }
1.101     albertel  683: 	  $displayoptionintex=0;
1.62      albertel  684:       }
1.1       albertel  685:     }
1.62      albertel  686:   }
1.138     albertel  687: 
                    688:   if ($target eq 'web') {
1.173     raeburn   689:       my $data = [\@whichopt,'submissiongrading'];
                    690:       my $questiontype;
                    691:       if ($Apache::lonhomework::type eq 'randomizetry') {
                    692:           $questiontype = $Apache::lonhomework::type,
                    693:       }
                    694:       &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
1.138     albertel  695:   }
                    696: 
1.32      sakharuk  697:   if ($target ne 'tex') {
1.62      albertel  698:       return $result.$break;
                    699:   } else {
1.32      sakharuk  700:       return $result;
1.22      albertel  701:   }
1.50      sakharuk  702: }
                    703: 
                    704: 
                    705: sub optionlist_correction {
1.107     sakharuk  706:     my ($TeXlayout,@options) = @_;
1.150     bisitz    707:     my $texoptionlist='\\item [] '.&mt('Choices:').' ';
1.107     sakharuk  708:     if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
1.101     albertel  709:     if (scalar(@options) > 0) {
                    710: 	foreach my $option (@options) {
                    711: 	    $texoptionlist.='{\bf '.
1.135     albertel  712: 		&Apache::lonxml::latex_special_symbols($option).
1.107     sakharuk  713: 		'}';
                    714: 	    if ($TeXlayout eq 'vertical') {
                    715: 		$texoptionlist.=' \vskip 0 mm ',
                    716: 	    } else {
1.115     sakharuk  717: 		$texoptionlist.=', ';
1.107     sakharuk  718: 	    }
1.101     albertel  719: 	}
1.116     albertel  720: 	$texoptionlist=~s/, $//;
1.107     sakharuk  721: 	if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
1.80      sakharuk  722:     } else {
1.107     sakharuk  723: 	if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
1.80      sakharuk  724:     }
1.50      sakharuk  725:     return $texoptionlist;
1.58      sakharuk  726: }
                    727: 
                    728: 
                    729: sub webbubbles {
1.90      albertel  730:     my ($ropt,$ralphabet,$temp,$lastopt)=@_;
1.58      sakharuk  731:     my @opt=@$ropt; 
                    732:     my @alphabet=@$ralphabet;
                    733:     my $result='';
1.90      albertel  734:     my $number_of_bubbles = $#opt + 1;
                    735:     $result.= '<table border="1"><tr>';
                    736:     for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
                    737: 	my $checked='';
                    738: 	if ($lastopt eq $opt[$ind]) {
                    739: 	    $checked=' checked="on" ';
1.58      sakharuk  740: 	}
1.90      albertel  741: 	$result.='<td><input type="radio" name="HWVAL_'.
                    742: 	    $Apache::inputtags::response['-1'].':'.$temp.
1.111     albertel  743: 	    '" value="'.$opt[$ind].'" '.$checked.' />';
                    744: 	if ($alphabet[$ind]) {
                    745: 	    $result.=$alphabet[$ind].': ';
                    746: 	}
                    747: 	$result.=$opt[$ind].'</td>';
1.90      albertel  748:     }
                    749:     $result.='</tr></table>';
                    750:     return $result;
1.50      sakharuk  751: }
                    752: 
                    753: 
                    754: sub bubbles {
1.177     raeburn   755:     my ($ralphabet,$ropt,$response,$max_width,$numrows,$bubbles_per_row,
                    756:         $internal_counter) = @_;
1.119     albertel  757:     my @alphabet = @$ralphabet;
1.50      sakharuk  758:     my @opt = @$ropt;
1.51      sakharuk  759:     my ($result,$head,$line) =('','','');
1.50      sakharuk  760:     my $number_of_bubbles = $#opt + 1;
1.51      sakharuk  761:     my $current_length = 0;
1.100     sakharuk  762:     my $textwidth;
1.141     albertel  763:     if (defined($max_width)) {
1.140     foxr      764: 	$textwidth=$max_width;
1.141     albertel  765: 	&Apache::lonxml::debug("Max width passed in: $max_width");
                    766:     } elsif ($env{'form.textwidth'} ne '') {
1.125     albertel  767: 	$env{'form.textwidth'}=~/(\d+)/;
1.100     sakharuk  768: 	$textwidth=$1;
1.141     albertel  769: 	&Apache::lonxml::debug("Max width from form: $textwidth");
1.100     sakharuk  770:     } else {
1.125     albertel  771: 	$env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.102     sakharuk  772: 	$textwidth=$1.'.'.$2;
1.141     albertel  773: 	&Apache::lonxml::debug("Max width defaults? $textwidth");
1.100     sakharuk  774:     }
1.141     albertel  775:     &Apache::lonxml::debug("Final maxwidth: $textwidth");
1.51      sakharuk  776:     for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
1.177     raeburn   777:         my $item;
                    778:         if ($numrows > 1) {
                    779:             my $num = $internal_counter+int($ind/$bubbles_per_row);
                    780:             my $idx = int($ind % $bubbles_per_row);
                    781:             $item = $num.$alphabet[$idx];
                    782:         } else {
                    783:             $item = $alphabet[$ind];
                    784:         }
1.99      sakharuk  785: 	my $leftmargin;
1.101     albertel  786: 	$opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
1.119     albertel  787: 	if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
1.99      sakharuk  788: 	if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
1.140     foxr      789: 
1.177     raeburn   790: 	$current_length += (length($opt[$ind])+length($item)+4)*2;
                    791:         
1.99      sakharuk  792: 	if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
1.177     raeburn   793:             
                    794: 	    $line.='\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
1.51      sakharuk  795: 	    $head.='lr';
                    796: 	} else {
                    797: 	    $line=~s/\&\s*$//;
1.171     raeburn   798: 	    $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
1.177     raeburn   799: 	    $line = '\hskip 4 mm {\small \textbf{'.$item.'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
1.51      sakharuk  800: 	    $head ='lr';
1.177     raeburn   801: 	    $current_length = (length($opt[$ind])+length($item))*2;
1.51      sakharuk  802: 	}
                    803: 
1.50      sakharuk  804:     }
                    805:     return $result;
1.1       albertel  806: }
                    807: 
1.2       albertel  808: sub start_conceptgroup {
1.22      albertel  809:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    810:   $Apache::optionresponse::conceptgroup=1;
1.44      albertel  811:   %Apache::response::conceptgroup=();
1.22      albertel  812:   my $result;
                    813:   if ($target eq 'edit') {
                    814:     $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
1.30      matthew   815:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    816:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.22      albertel  817:   }
                    818:   if ($target eq 'modified') {
                    819:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
                    820:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    821:   }
                    822:   return $result;
1.2       albertel  823: }
                    824: 
                    825: sub end_conceptgroup {
1.22      albertel  826:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    827:   $Apache::optionresponse::conceptgroup=0;
                    828:   my $result='';
1.93      albertel  829:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    830:       $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  831:     #if not there aren't any foils to display and thus no question
1.93      albertel  832:       &Apache::response::pick_foil_for_concept($target,
                    833: 					       ['value','text','location'],
                    834: 					       \%Apache::hint::option,
                    835: 					       $parstack,$safeeval);
1.34      albertel  836:   } elsif ($target eq 'edit') {
1.22      albertel  837:     $result=&Apache::edit::end_table();
                    838:   }
                    839:   return $result;
1.2       albertel  840: }
                    841: 
1.16      albertel  842: sub insert_conceptgroup {
1.22      albertel  843:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    844:   return $result;
1.16      albertel  845: }
                    846: 
1.1       albertel  847: sub start_foil {
1.22      albertel  848:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    849:   my $result='';
1.34      albertel  850:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
1.105     albertel  851:       &Apache::lonxml::startredirection;
                    852:       if ($target eq 'analyze') {
                    853: 	  &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    854:       }
1.25      albertel  855:   } elsif ($target eq 'edit') {
1.22      albertel  856:     $result=&Apache::edit::tag_start($target,$token,"Foil");
                    857:     my $level='-2';
                    858:     if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
                    859:     my @opt;
                    860:     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
                    861:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.48      albertel  862:     $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
                    863: 					       ['unused',(@opt)],$token,'15');
                    864:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    865: 					     $safeeval,'-3');
                    866:     if ($randomize ne 'no') {
                    867: 	$result.=&Apache::edit::select_arg('Location:','location',
                    868: 					   ['random','top','bottom'],$token);
                    869:     }
1.30      matthew   870:     $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.25      albertel  871:   } elsif ($target eq 'modified') {
1.48      albertel  872:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    873: 						 'value','name','location');
1.22      albertel  874:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.32      sakharuk  875:   } 
1.22      albertel  876:   return $result;
1.1       albertel  877: }
                    878: 
                    879: sub end_foil {
1.22      albertel  880:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    881:   my $text ='';
                    882:   my $result = '';
1.88      albertel  883:   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
1.48      albertel  884:       $text=&Apache::lonxml::endredirection;
1.114     sakharuk  885:       if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
1.107     sakharuk  886:       if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} 
1.32      sakharuk  887:   }
                    888:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
1.34      albertel  889:       || $target eq 'tex' || $target eq 'analyze') {
1.22      albertel  890:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.122     albertel  891:     if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    892: 	$text='\vskip 5mm $\triangleright$ '.$text;
                    893:     }
1.22      albertel  894:     if ($value ne 'unused') {
                    895:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    896:       &Apache::lonxml::debug("Got a name of :$name:");
1.129     albertel  897:       if ($name eq "") {
1.151     bisitz    898: 	  &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.123     albertel  899: 	  $name=$Apache::lonxml::curdepth;
                    900:       }
1.22      albertel  901:       &Apache::lonxml::debug("Using a name of :$name:");
1.103     albertel  902:       if (defined($Apache::response::foilnames{$name})) {
1.151     bisitz    903: 	  &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
1.103     albertel  904:       }
1.104     albertel  905:       $Apache::response::foilnames{$name}++;
1.103     albertel  906:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.39      albertel  907:       if ( $Apache::optionresponse::conceptgroup
                    908: 	   && !&Apache::response::showallfoils() ) {
1.22      albertel  909: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    910: 	$Apache::response::conceptgroup{"$name.value"} = $value;
1.122     albertel  911: 	$Apache::response::conceptgroup{"$name.text"} = $text;
1.48      albertel  912: 	$Apache::response::conceptgroup{"$name.location"} = $location;
1.22      albertel  913:       } else {
                    914: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
1.48      albertel  915: 	$Apache::response::foilgroup{"$name.value"} = $value;
1.122     albertel  916: 	$Apache::response::foilgroup{"$name.text"} = $text;
1.48      albertel  917: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.22      albertel  918:       }
                    919:     }
                    920:   }
                    921:   if ($target eq 'edit') {
                    922:     $result.= &Apache::edit::tag_end($target,$token,'');
                    923:   }
                    924:   return $result;
1.1       albertel  925: }
                    926: 
1.112     sakharuk  927: sub start_drawoptionlist {
                    928:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.144     albertel  929:     if ($target !~ /^(?:meta|answer|modified|edit)$/) {
1.117     albertel  930: 	return $token->[4];
                    931:     }
1.112     sakharuk  932: }
                    933: 
                    934: sub end_drawoptionlist {
                    935:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.144     albertel  936:     if ($target !~ /^(?:meta|answer|modified|edit)$/) {
1.117     albertel  937: 	return $token->[2];
                    938:     }
1.112     sakharuk  939: }
                    940: 
1.7       albertel  941: sub insert_foil {
1.144     albertel  942:     return '
1.15      albertel  943: <foil name="" value="unused">
1.14      albertel  944: <startouttext />
                    945: <endouttext />
1.7       albertel  946: </foil>';
                    947: }
1.144     albertel  948: 
                    949: sub insert_drawoptionlist {
                    950:     return '<drawoptionlist />';
                    951: }
1.177     raeburn   952: 
                    953: sub getnumrows {
                    954:     my ($numitems) = @_;
                    955:     my $bubbles_per_row;
                    956:     my $default_numbubbles = 10;
                    957:     if (($env{'form.bubbles_per_row'} =~ /^\d+$/) &&
                    958:         ($env{'form.bubbles_per_row'} > 0)) {
                    959:         $bubbles_per_row = $env{'form.bubbles_per_row'};
                    960:     } else {
                    961:         $bubbles_per_row = $default_numbubbles;
                    962:     }
                    963:     my $numrows = int ($numitems/$bubbles_per_row);
                    964:     if (($numitems % $bubbles_per_row) != 0) {
                    965:         $numrows ++;
                    966:     }
                    967:     return ($numrows,$bubbles_per_row);
                    968: }
                    969: 
1.1       albertel  970: 1;
                    971: __END__
                    972:  
1.156     jms       973: =head1 NAME
                    974: 
                    975: Apache::optionresponse.pm;
                    976: 
                    977: =head1 SYNOPSIS
                    978: 
                    979: Handles tags associated with showing a list of
                    980: options.
                    981: 
                    982: This is part of the LearningOnline Network with CAPA project
                    983: described at http://www.lon-capa.org.
                    984: 
                    985: =head1 HANDLER SUBROUTINE
                    986: 
                    987: start_optionresponse()
                    988: 
                    989: =head1 OTHER SUBROUTINES
                    990: 
                    991: =over
                    992: 
                    993: =item end_optionresponse()
                    994: 
                    995: =item start_foilgroup()
                    996: 
                    997: =item end_foilgroup()
                    998: 
                    999: =item getfoilcounts()
                   1000: 
                   1001: =item displayanswers()
                   1002: 
                   1003: =item check_for_invalid()
                   1004: 
                   1005: =item displayfoils()
                   1006: 
                   1007: =item optionlist_correction()
                   1008: 
                   1009: =item webbubbles()
                   1010: 
                   1011: =item bubbles()
                   1012: 
                   1013: =item start_conceptgroup()
                   1014: 
                   1015: =item end_conceptgroup()
                   1016: 
                   1017: =item insert_conceptgroup()
                   1018: 
                   1019: =item start_foil()
                   1020: 
                   1021: =item end_foil()
                   1022: 
                   1023: =item start_drawoptionlist()
                   1024: 
                   1025: =item end_drawoptionlist()
                   1026: 
                   1027: =item insert_foil()
                   1028: 
                   1029: =item insert_drawoptionlist()
                   1030: 
                   1031: =back
                   1032: 
1.157     raeburn  1033: =cut

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