Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.240

1.3       albertel    1: # The LearningOnline Network with CAPA
                      2: # caparesponse definition
1.47      albertel    3: #
1.240   ! raeburn     4: # $Id: caparesponse.pm,v 1.239 2010/08/02 10:52:58 foxr Exp $
1.47      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: #
1.3       albertel   28: 
                     29: package Apache::caparesponse;
                     30: use strict;
1.4       albertel   31: use capa;
1.190     albertel   32: use Safe::Hole;
                     33: use Apache::lonmaxima();
1.129     www        34: use Apache::lonlocal;
1.166     albertel   35: use Apache::lonnet;
1.202     www        36: use Apache::response();
1.194     albertel   37: use Storable qw(dclone);
1.3       albertel   38: 
1.50      harris41   39: BEGIN {
1.194     albertel   40:     &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
1.3       albertel   41: }
                     42: 
1.181     albertel   43: my %answer;
1.204     albertel   44: my @answers;
1.203     albertel   45: sub get_answer { return %answer; };
1.204     albertel   46: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
                     47: sub pop_answer { %answer = %{pop(@answers)}; };
1.203     albertel   48: 
1.181     albertel   49: my $cur_name;
1.195     albertel   50: my $tag_internal_answer_name = 'INTERNAL';
                     51: 
1.181     albertel   52: sub start_answer {
                     53:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                     54:     my $result;
                     55:     $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                     56:     if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
                     57:     my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
                     58:     if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
                     59: 	$type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
                     60:     }
                     61:     if (!defined($type)) { $type = 'ordered' };
                     62:     $answer{$cur_name}= { 'type' => $type,
                     63: 			  'answers' => [] };
1.208     albertel   64:     if ($target eq 'edit') {
                     65:   	$result.=&Apache::edit::tag_start($target,$token);
                     66: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                     67: 	$result.=&Apache::edit::select_arg('Type:','type',
                     68: 					   [['ordered',  'Ordered'  ],
                     69: 					    ['unordered','Unordered'],],
                     70: 					   $token);
                     71: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                     72:     } elsif ($target eq 'modified') {
                     73: 	my $constructtag = &Apache::edit::get_new_args($token,$parstack,
                     74: 						       $safeeval,'name',
                     75: 						       'type');
                     76: 	if ($constructtag) {
                     77: 	    $result = &Apache::edit::rebuild_tag($token);
                     78: 	    $result.= &Apache::edit::handle_insert();
                     79: 	}
                     80:     }
1.181     albertel   81:     return $result;
                     82: }
                     83: 
                     84: sub end_answer {
                     85:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                     86:     my $result;
1.208     albertel   87:     if ($target eq 'edit') {
                     88: 	$result .= &Apache::edit::tag_end();
                     89:     }
                     90: 
1.181     albertel   91:     undef($cur_name);
                     92:     return $result;
                     93: }
                     94: 
1.208     albertel   95: sub insert_answer {
                     96:     return '
                     97:         <answer>
                     98:             <value></value>
                     99:         </answer>';
                    100: }
                    101: 
1.181     albertel  102: sub start_answergroup {
                    103:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    104:     my $result;
1.208     albertel  105:     if ($target eq 'edit') {
                    106:   	$result.=&Apache::edit::tag_start($target,$token);
                    107: 	$result.=&Apache::edit::select_arg('Type:','type',
                    108: 					   [['ordered',  'Ordered'  ],
                    109: 					    ['unordered','Unordered'],],
                    110: 					   $token);
                    111: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    112:     } elsif ($target eq 'modified') {
                    113: 	my $constructtag = &Apache::edit::get_new_args($token,$parstack,
                    114: 						       $safeeval,'name',
                    115: 						       'type');
                    116: 	if ($constructtag) {
                    117: 	    $result = &Apache::edit::rebuild_tag($token);
                    118: 	    $result.= &Apache::edit::handle_insert();
                    119: 	}
                    120:     }
1.181     albertel  121:     return $result;
                    122: }
                    123: 
                    124: sub end_answergroup {
                    125:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    126:     my $result;
1.194     albertel  127:     if ($target eq 'web') {
                    128:     	if (  &Apache::response::show_answer() ) {  
                    129: 	    my $partid = $Apache::inputtags::part;
                    130: 	    my $id = $Apache::inputtags::response[-1];
                    131: 	    &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
                    132: 			    $target,$token,$tagstack,$parstack,$parser,
                    133: 			    $safeeval,-2);
                    134: 	}
1.208     albertel  135:     } elsif ($target eq 'edit') {
                    136: 	$result .= &Apache::edit::tag_end();
1.194     albertel  137:     }
1.181     albertel  138:     return $result;
                    139: }
                    140: 
1.208     albertel  141: sub insert_answergroup {
                    142:     return '
                    143:     <answergroup>
                    144:         <answer>
                    145:             <value></value>
                    146:         </answer>
                    147:     </answergroup>';
                    148: }
                    149: 
1.181     albertel  150: sub start_value {
1.182     albertel  151:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181     albertel  152:     my $result;
                    153:     if ( $target eq 'web' || $target eq 'tex' ||
                    154: 	 $target eq 'grade' || $target eq 'webgrade' ||
                    155: 	 $target eq 'answer' || $target eq 'analyze' ) {
1.182     albertel  156: 	my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
1.181     albertel  157: 	$bodytext = &Apache::run::evaluate($bodytext,$safeeval,
                    158: 					   $$parstack[-1]);
1.195     albertel  159: 	
                    160: 	push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
                    161: 	
1.208     albertel  162:     } elsif ($target eq 'edit') {
                    163:   	$result.=&Apache::edit::tag_start($target,$token);
                    164: 	my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
                    165: 	$result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
                    166: 	    &Apache::edit::end_row();
                    167:     } elsif ($target eq 'modified') {
                    168: 	$result=$token->[4].&Apache::edit::modifiedfield('/value',$parser);
1.181     albertel  169:     }
                    170:     return $result;
                    171: }
                    172: 
                    173: sub end_value {
                    174:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    175:     my $result;
1.208     albertel  176:     if ($target eq 'edit') {
                    177: 	$result = &Apache::edit::end_table();
                    178:     }
1.181     albertel  179:     return $result;
                    180: }
                    181: 
1.208     albertel  182: sub insert_value {
                    183:     return '
                    184:             <value></value>';
                    185: }
                    186: 
1.195     albertel  187: sub start_vector {
                    188:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    189:     my $result;
                    190:     if ( $target eq 'web' || $target eq 'tex' ||
                    191: 	 $target eq 'grade' || $target eq 'webgrade' ||
                    192: 	 $target eq 'answer' || $target eq 'analyze' ) {
                    193: 	my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
                    194: 	my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
                    195: 	if (@values == 1) {
                    196: 	    @values = split(',',$values[0]);
                    197: 	}
                    198: 	push(@{ $answer{$cur_name}{'answers'} },\@values);
1.208     albertel  199:     } elsif ($target eq 'edit') {
                    200:   	$result.=&Apache::edit::tag_start($target,$token);
                    201: 	my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
                    202: 	$result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
                    203: 	    &Apache::edit::end_row();
                    204:     } elsif ($target eq 'modified') {
                    205: 	$result=$token->[4].&Apache::edit::modifiedfield('/vector',$parser);
1.195     albertel  206:     }
                    207:     return $result;
                    208: }
                    209: 
                    210: sub end_vector {
                    211:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    212:     my $result;
1.208     albertel  213:     if ($target eq 'edit') {
                    214: 	$result = &Apache::edit::end_table();
                    215:     }
1.195     albertel  216:     return $result;
                    217: }
                    218: 
1.208     albertel  219: sub insert_vector {
                    220:     return '
                    221:             <value></value>';
                    222: }
                    223: 
1.181     albertel  224: sub start_array {
1.182     albertel  225:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181     albertel  226:     my $result;
                    227:     if ( $target eq 'web' || $target eq 'tex' ||
                    228: 	 $target eq 'grade' || $target eq 'webgrade' ||
                    229: 	 $target eq 'answer' || $target eq 'analyze' ) {
1.182     albertel  230: 	my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
1.181     albertel  231: 	my @values = &Apache::run::evaluate($bodytext,$safeeval,
                    232: 					    $$parstack[-1]);
                    233: 	push(@{ $answer{$cur_name}{'answers'} },@values);
                    234:     }
                    235:     return $result;
                    236: }
                    237: 
                    238: sub end_array {
                    239:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    240:     my $result;
                    241:     return $result;
                    242: }
                    243: 
                    244: sub start_unit {
                    245:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    246:     my $result;
                    247:     return $result;
                    248: }
                    249: 
                    250: sub end_unit {
                    251:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    252:     my $result;
                    253:     return $result;
                    254: }
                    255: 
1.89      albertel  256: sub start_numericalresponse {
                    257:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.195     albertel  258:     &Apache::lonxml::register('Apache::caparesponse',
                    259: 			      ('answer','answergroup','value','array','unit',
                    260: 			       'vector'));
1.208     albertel  261:     push(@Apache::lonxml::namespace,'caparesponse');
1.89      albertel  262:     my $id = &Apache::response::start_response($parstack,$safeeval);
                    263:     my $result;
1.181     albertel  264:     undef(%answer);
                    265:     undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
1.89      albertel  266:     if ($target eq 'edit') {
                    267: 	$result.=&Apache::edit::tag_start($target,$token);
                    268: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                    269: 	if ($token->[1] eq 'numericalresponse') {
1.122     albertel  270: 	    $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
1.149     www       271: 					     $token).
                    272: 		&Apache::loncommon::help_open_topic('numerical_wrong_answers');
1.89      albertel  273: 	    $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
                    274: 		&Apache::loncommon::help_open_topic('Physical_Units');
                    275: 	    $result.=&Apache::edit::text_arg('Format:','format',$token,4).
                    276: 		&Apache::loncommon::help_open_topic('Numerical_Response_Format');
                    277: 	} elsif ($token->[1] eq 'formularesponse') {
                    278: 	    $result.=&Apache::edit::text_arg('Sample Points:','samples',
                    279: 					     $token,40).
                    280: 	      &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
                    281: 	}
                    282: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    283:     } elsif ($target eq 'modified') {
                    284: 	my $constructtag;
                    285: 	if ($token->[1] eq 'numericalresponse') {
                    286: 	    $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    287: 						      $safeeval,'answer',
1.156     albertel  288:  						      'incorrect','unit',
1.117     albertel  289: 						      'format');
1.89      albertel  290: 	} elsif ($token->[1] eq 'formularesponse') {
                    291: 	    $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    292: 						      $safeeval,'answer',
                    293: 						      'samples');
                    294: 	}
                    295: 	if ($constructtag) {
                    296: 	    $result = &Apache::edit::rebuild_tag($token);
                    297: 	    $result.=&Apache::edit::handle_insert();
1.22      albertel  298: 	}
1.89      albertel  299:     } elsif ($target eq 'meta') {
                    300: 	$result=&Apache::response::meta_package_write('numericalresponse');
                    301:     } elsif ($target eq 'answer' || $target eq 'grade') {
                    302: 	&Apache::response::reset_params();
1.96      albertel  303:     } elsif ($target eq 'web') {
                    304: 	my $partid = $Apache::inputtags::part;
                    305: 	my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
                    306: 	&Apache::lonxml::debug("Got unit $hideunit for $partid $id");
                    307: 	#no way to enter units, with radio buttons
1.238     www       308: 	if ((lc($hideunit) eq "yes") && ($Apache::lonhomework::type ne 'exam')) {
1.96      albertel  309: 	    my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
                    310: 						    $safeeval);
                    311: 	    if ($unit =~ /\S/) { $result.=" (in $unit) "; }
                    312: 	}
1.146     albertel  313: 	if (  &Apache::response::show_answer() ) {
1.195     albertel  314: 	    &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
                    315: 			    $parstack,$parser,$safeeval,-1);
1.194     albertel  316: 	}
                    317:     }
                    318:     return $result;
                    319: }
                    320: 
                    321: sub set_answertext {
                    322:     my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
                    323: 	$response_level) = @_;
                    324:     &add_in_tag_answer($parstack,$safeeval,$response_level);
                    325: 
1.206     albertel  326:     if ($name eq '' || !ref($answer{$name})) {
                    327: 	if (ref($answer{$tag_internal_answer_name})) {
                    328: 	    $name = $tag_internal_answer_name;
                    329: 	} else {
                    330: 	    $name = (sort(keys(%answer)))[0];
                    331: 	}
                    332:     }
1.194     albertel  333:     return if ($name eq '' || !ref($answer{$name}));
                    334: 
                    335:     my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
                    336: 						 $safeeval,$response_level);
                    337:     my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
                    338: 					    $response_level);
                    339: 
                    340:     &Apache::lonxml::debug("answer looks to be $name");
1.195     albertel  341:     my @answertxt;
1.194     albertel  342:     for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
1.195     albertel  343: 	my $answertxt;
1.194     albertel  344: 	my $answer=$answer{$name}{'answers'}[$i];
1.195     albertel  345: 	foreach my $element (@$answer) {
                    346: 	    if ( scalar(@$tagstack)
                    347: 		 && $tagstack->[$response_level] ne 'numericalresponse') {
                    348: 		$answertxt.=$element.',';
1.194     albertel  349: 	    } else {
1.195     albertel  350: 		my $format;
                    351: 		if ($#formats > 0) {
                    352: 		    $format=$formats[$i];
                    353: 		} else {
                    354: 		    $format=$formats[0];
                    355: 		}
                    356: 		if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
                    357: 		if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
                    358: 		my $formatted=&format_number($element,$format,$target,
                    359: 					     $safeeval);
                    360: 		$answertxt.=' '.$formatted.',';
1.146     albertel  361: 	    }
1.195     albertel  362: 	    
                    363: 	}
                    364: 	chop($answertxt);
                    365: 	if ($target eq 'web') {
                    366: 	    $answertxt.=" $unit ";
1.146     albertel  367: 	}
1.195     albertel  368: 
                    369: 	push(@answertxt,$answertxt)
1.16      albertel  370:     }
1.194     albertel  371: 	
                    372:     my $id = $Apache::inputtags::response[-1];
1.195     albertel  373:     $Apache::inputtags::answertxt{$id}=\@answertxt;
1.21      albertel  374: }
                    375: 
1.195     albertel  376: sub setup_capa_args {
                    377:     my ($safeeval,$parstack,$args,$response) = @_;
1.167     albertel  378:     my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
1.195     albertel  379:     undef(%{ $args_ref });
                    380:  
                    381:     foreach my $arg (@{$args}) {
1.167     albertel  382: 	$$args_ref{$arg}=
                    383: 	    &Apache::lonxml::get_param($arg,$parstack,$safeeval);
                    384:     }
                    385:     foreach my $key (keys(%Apache::inputtags::params)) {
                    386: 	$$args_ref{$key}=$Apache::inputtags::params{$key};
                    387:     }
1.195     albertel  388:     &setup_capa_response($args_ref,$response);
                    389:     return $args_ref;
                    390: }
                    391: 
                    392: sub setup_capa_response {
                    393:     my ($args_ref,$response) = @_;   
                    394: 
                    395:     if (ref($response)) {
                    396: 	$$args_ref{'response'}=dclone($response);
                    397:     } else {
                    398: 	$$args_ref{'response'}=dclone([$response]);
                    399:     }
                    400: }
                    401: 
                    402: sub check_submission {
                    403:     my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
                    404:     my @args = ('type','tol','sig','format','unit','calc','samples');
                    405:     my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
                    406: 
                    407:     my $hideunit=
                    408: 	&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
                    409:         #no way to enter units, with radio buttons
1.167     albertel  410:     if ($Apache::lonhomework::type eq 'exam' ||
                    411: 	lc($hideunit) eq "yes") {
                    412: 	delete($$args_ref{'unit'});
                    413:     }
                    414:     #sig fig don't make much sense either
                    415:     if (($Apache::lonhomework::type eq 'exam' ||
1.171     albertel  416: 	 &Apache::response::submitted('scantron') ||
                    417: 	 $ignore_sig) &&
1.167     albertel  418: 	$tag eq 'numericalresponse') {
                    419: 	delete($$args_ref{'sig'});
                    420:     }
                    421:     
                    422:     if ($tag eq 'formularesponse') {
1.199     www       423: 	if ($$args_ref{'samples'}) {
1.191     www       424: 	    $$args_ref{'type'}='fml';
1.199     www       425: 	} else {
                    426: 	    $$args_ref{'type'}='math';
                    427: 	}
1.167     albertel  428:     } elsif ($tag eq 'numericalresponse') {
                    429: 	$$args_ref{'type'}='float';
1.233     raeburn   430:     } elsif ($tag eq 'stringresponse') {
                    431:         if ($$args_ref{'type'} eq '') {
                    432:             $$args_ref{'type'} = 'ci';
                    433:         }
1.167     albertel  434:     }
1.233     raeburn   435: 
1.194     albertel  436:     &add_in_tag_answer($parstack,$safeeval);
                    437: 
1.218     albertel  438:     if (!%answer) {
                    439: 	&Apache::lonxml::error("No answers are defined");
                    440:     }
                    441: 
1.195     albertel  442:     my (@final_awards,@final_msgs,@names);
1.181     albertel  443:     foreach my $name (keys(%answer)) {
                    444: 	&Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1.194     albertel  445: 	
                    446: 	${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.195     albertel  447: 	&setup_capa_response($args_ref,$response);
                    448: 	use Time::HiRes;
                    449: 	my $t0 = [Time::HiRes::gettimeofday()];
1.181     albertel  450: 	my ($result,@msgs) = 
1.233     raeburn   451: 	    &Apache::run::run("&caparesponse_check_list()",$safeeval);
1.195     albertel  452: 	&Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
1.181     albertel  453: 	&Apache::lonxml::debug('msgs are '.join(':',@msgs));
                    454: 	my ($awards)=split(/:/,$result);
                    455: 	my @awards= split(/,/,$awards);
                    456: 	my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
                    457: 	push(@final_awards,$ad);
                    458: 	push(@final_msgs,$msg);
                    459: 	push(@names,$name);
                    460:     }
                    461:     my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
                    462: 							       \@final_msgs,
                    463: 							       \@names,1);
1.194     albertel  464:     &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
                    465:     return($ad,$msg, $name);
                    466: }
                    467: 
                    468: sub add_in_tag_answer {
                    469:     my ($parstack,$safeeval,$response_level) = @_;
                    470:     my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
                    471: 					      $response_level);
                    472:     &Apache::lonxml::debug('answer is'.join(':',@answer));
1.213     albertel  473:     if (@answer && $answer[0] =~ /\S/) {
1.195     albertel  474: 	$answer{$tag_internal_answer_name}= {'type' => 'ordered',
                    475: 					     'answers' => [\@answer] };
1.194     albertel  476:     }
1.167     albertel  477: }
                    478: 
1.202     www       479: sub capa_formula_fix {
                    480:    my ($expression)=@_;
                    481:    return &Apache::response::implicit_multiplication($expression);
                    482: }
                    483: 
1.89      albertel  484: sub end_numericalresponse {
                    485:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.208     albertel  486: 
                    487:     &Apache::lonxml::deregister('Apache::caparesponse',
                    488: 			      ('answer','answergroup','value','array','unit',
                    489: 			       'vector'));
                    490:     pop(@Apache::lonxml::namespace);
                    491: 
1.90      albertel  492:     my $increment=1;
1.89      albertel  493:     my $result = '';
                    494:     if (!$Apache::lonxml::default_homework_loaded) {
                    495: 	&Apache::lonxml::default_homework_load($safeeval);
1.34      albertel  496:     }
1.167     albertel  497:     my $partid = $Apache::inputtags::part;
                    498:     my $id = $Apache::inputtags::response[-1];
1.125     albertel  499:     my $tag;
1.190     albertel  500:     my $safehole = new Safe::Hole;
1.168     albertel  501:     $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190     albertel  502: 
1.125     albertel  503:     if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162     albertel  504:     if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140     albertel  505: 	&Apache::response::setup_params($tag,$safeeval);
1.95      albertel  506: 	if ($Apache::lonhomework::type eq 'exam' && 
1.190     albertel  507: 	    (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95      albertel  508: 	    $increment=&Apache::response::scored_response($partid,$id);
                    509: 	} else {
                    510: 	    my $response = &Apache::response::getresponse();
                    511: 	    if ( $response =~ /[^\s]/) {
                    512: 		my %previous = &Apache::response::check_for_previous($response,$partid,$id);
                    513: 		&Apache::lonxml::debug("submitted a $response<br>\n");
                    514: 		&Apache::lonxml::debug($$parstack[-1] . "\n<br>");
                    515: 		
1.162     albertel  516: 		if ( &Apache::response::submitted('scantron')) {
1.228     riegler   517: 	    &add_in_tag_answer($parstack,$safeeval);
                    518: 	    my ($values,$display)=&make_numerical_bubbles($partid,$id,
                    519: 					  $target,$parstack,$safeeval);
                    520: 	    $response=$values->[$response];
                    521: 	}
                    522: 	$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194     albertel  523: 		my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
                    524: 						      $tag,$parstack,
                    525: 						      $safeeval);
1.167     albertel  526: 
1.142     albertel  527: 		&Apache::lonxml::debug('ad is'.$ad);
                    528: 		if ($ad eq 'SIG_FAIL') {
                    529: 		    my ($sig_u,$sig_l)=
                    530: 			&get_sigrange($Apache::inputtags::params{'sig'});
                    531: 		    $msg=join(':',$msg,$sig_l,$sig_u);
                    532: 		    &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
                    533: 					   $Apache::inputtags::params{'sig'});
                    534: 		}
1.95      albertel  535: 		&Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.237     raeburn   536:                 if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
                    537:                      $ad eq 'EXACT_ANS')) {
                    538: 		    if ($Apache::lonhomework::type eq 'survey') {
                    539: 		        $ad='SUBMITTED';
                    540: 		    } elsif ($Apache::lonhomework::type eq 'surveycred') {
                    541:                         $ad='SUBMITTED_CREDIT';
                    542:                     } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
                    543:                         $ad='ANONYMOUS';
                    544:                     } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
                    545:                         $ad='ANONYMOUS_CREDIT';                     
                    546:                     }
                    547:                 }
1.95      albertel  548: 		&Apache::response::handle_previous(\%previous,$ad);
                    549: 		$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142     albertel  550: 		$Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194     albertel  551: 		$Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95      albertel  552: 		$result='';
1.90      albertel  553: 	    }
1.89      albertel  554: 	}
                    555:     } elsif ($target eq 'web' || $target eq 'tex') {
1.196     albertel  556: 	&check_for_answer_errors($parstack,$safeeval);
1.89      albertel  557: 	my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
                    558: 	my $status = $Apache::inputtags::status['-1'];
                    559: 	if ($Apache::lonhomework::type eq 'exam') {
1.194     albertel  560: 	    # FIXME support multi dimensional numerical problems
                    561:             #       in exam bubbles
1.184     albertel  562: 	    my ($bubble_values,$bubble_display)=
                    563: 		&make_numerical_bubbles($partid,$id,$target,$parstack,
                    564: 					$safeeval);
                    565: 	    my $number_of_bubbles = scalar(@{ $bubble_values });
1.89      albertel  566: 	    my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
                    567: 						    $safeeval);
                    568: 	    my @alphabet=('A'..'Z');
                    569: 	    if ($target eq 'web') {
1.125     albertel  570: 		if ($tag eq 'numericalresponse') {
1.89      albertel  571: 		    if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
                    572: 		    $result.= '<table border="1"><tr>';
1.116     albertel  573: 		    my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90      albertel  574: 		    for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116     albertel  575: 			my $checked='';
1.158     albertel  576: 			if ($previous eq $bubble_values->[$ind]) {
1.116     albertel  577: 			    $checked=" checked='on' ";
                    578: 			}
1.90      albertel  579: 			$result.='<td><input type="radio" name="HWVAL_'.$id.
1.158     albertel  580: 			    '" value="'.$bubble_values->[$ind].'" '.$checked
1.116     albertel  581: 			    .' /><b>'.$alphabet[$ind].'</b>: '.
1.158     albertel  582: 			    $bubble_display->[$ind].'</td>';
1.89      albertel  583: 		    }
                    584: 		    $result.='</tr></table>';
                    585: 		}
                    586: 	    } elsif ($target eq 'tex') {
1.107     sakharuk  587: 		if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89      albertel  588: 		    $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
                    589: 		}
1.125     albertel  590: 		if ($tag eq 'numericalresponse') {
1.90      albertel  591: 		    my ($celllength,$number_of_tables,@table_range)=
1.159     albertel  592: 			&get_table_sizes($number_of_bubbles,$bubble_display);
1.89      albertel  593: 		    my $j=0;
                    594: 		    my $cou=0;
1.239     foxr      595: 		    $result.='\vskip 2mm \noindent ';
                    596: 		    $result .= '\textbf{'.$Apache::lonxml::counter.'.} \vskip -3mm ';
                    597: 
1.89      albertel  598: 		    for (my $i=0;$i<$number_of_tables;$i++) {
1.239     foxr      599: 			if ($i == 0) {
                    600: 			    $result .= '\vskip -1mm ';
                    601: 			} else {
                    602: 			    $result .= '\vskip 1mm ';
                    603: 			}
                    604: 			$result.='\noindent \setlength{\tabcolsep}{2 mm}\hskip 2pc\begin{tabular}{';
1.90      albertel  605: 			for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128     sakharuk  606: 			    $result.='p{3 mm}p{'.$celllength.' mm}';
1.89      albertel  607: 			}
                    608: 			$result.='}';
1.90      albertel  609: 			for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.159     albertel  610: 			    $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1.89      albertel  611: 			    if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
                    612: 			}
                    613: 			$cou += $table_range[$j];
                    614: 			$j++;
                    615: 			$result.='\\\\\end{tabular}\vskip 0 mm ';
                    616: 		    }
                    617: 		} else {
1.188     albertel  618: 		    $increment = &Apache::response::repetition();
1.89      albertel  619: 		}
                    620: 	    }
                    621: 	}
1.228     riegler   622:         if (($target eq 'web') && ($tag eq 'formularesponse')
1.231     riegler   623:             && ($Apache::lonhomework::type ne 'exam') && ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
1.235     raeburn   624: 	    && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
                    625:             $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
1.228     riegler   626:         }
                    627:             
1.212     albertel  628: 	&Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
1.89      albertel  629:     } elsif ($target eq 'edit') {
                    630: 	$result.='</td></tr>'.&Apache::edit::end_table;
                    631:     } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167     albertel  632: 	my $part_id="$partid.$id";
1.89      albertel  633: 	if ($target eq 'analyze') {
                    634: 	    push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125     albertel  635: 	    $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117     albertel  636: 	    my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161     albertel  637: 	    if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117     albertel  638: 	    push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154     albertel  639: 	    &Apache::response::check_if_computed($token,$parstack,
                    640: 						 $safeeval,'answer');
1.89      albertel  641: 	}
1.125     albertel  642: 	if (scalar(@$tagstack)) {
1.140     albertel  643: 	    &Apache::response::setup_params($tag,$safeeval);
1.125     albertel  644: 	}
1.194     albertel  645: 	&add_in_tag_answer($parstack,$safeeval);
1.58      sakharuk  646: 	my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194     albertel  647: 
1.58      sakharuk  648: 	my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89      albertel  649: 	
                    650: 	if ($target eq 'answer') {
1.195     albertel  651: 	    $result.=&Apache::response::answer_header($tag,undef,
                    652: 						      scalar(keys(%answer)));
1.185     albertel  653: 	    if ($tag eq 'numericalresponse'
                    654: 		&& $Apache::lonhomework::type eq 'exam') {
1.184     albertel  655: 		my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
                    656: 					     $id,$target,$parstack,$safeeval);
                    657: 		$result.=&Apache::response::answer_part($tag,$correct);
                    658: 	    }
1.89      albertel  659: 	}
1.194     albertel  660: 	foreach my $name (sort(keys(%answer))) {
                    661: 	    my @answers = @{ $answer{$name}{'answers'} };
1.200     albertel  662: 	    if ($target eq 'analyze') {
                    663: 		foreach my $info ('answer','ans_high','ans_low','format') {
                    664: 		    $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
                    665: 		}
                    666: 	    }
1.194     albertel  667: 	    my ($sigline,$tolline);
1.195     albertel  668: 	    if ($name ne $tag_internal_answer_name 
                    669: 		|| scalar(keys(%answer)) > 1) {
                    670: 		$result.=&Apache::response::answer_part($tag,$name);
                    671: 	    }
1.194     albertel  672: 	    for(my $i=0;$i<=$#answers;$i++) {
                    673: 		my $ans=$answers[$i];
                    674: 		my $fmt=$formats[0];
                    675: 		if (@formats && $#formats) {$fmt=$formats[$i];}
                    676: 		my ($sighigh,$siglow);
                    677: 		if ($Apache::inputtags::params{'sig'}) {
                    678: 		    ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
                    679: 		}
1.195     albertel  680: 		my @vector;
                    681: 		if (ref($ans)) {
                    682: 		    @vector = @{ $ans };
                    683: 		} else {
                    684: 		    @vector = ($ans);
1.194     albertel  685: 		}
1.200     albertel  686: 		my @all_answer_info;
                    687: 		foreach my $element (@vector) {
                    688: 		    my ($high,$low);
                    689: 		    if ($Apache::inputtags::params{'tol'}) {
                    690: 			($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
                    691: 		    }
                    692: 		    if ($target eq 'answer') {
1.195     albertel  693: 			if ($fmt && $tag eq 'numericalresponse') {
                    694: 			    $fmt=~s/e/E/g;
                    695: 			    if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
                    696: 			    if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
                    697: 			    $element = &format_number($element,$fmt,$target,$safeeval);
                    698: 			    #if ($high) {
                    699: 			    #    $high=&format_number($high,$fmt,$target,$safeeval);
                    700: 			    #    $low =&format_number($low,$fmt,$target,$safeeval);
                    701: 			    #}
                    702: 			}
                    703: 			if ($high && $tag eq 'numericalresponse') {
1.224     www       704: 			    $element.='; ['.$low.'; '.$high.']';
1.195     albertel  705: 			    $tolline .= "[$low, $high]";
                    706: 			}
                    707: 			if (defined($sighigh) && $tag eq 'numericalresponse') {
                    708: 			    if ($env{'form.answer_output_mode'} eq 'tex') {
1.224     www       709: 				$element.= "; Sig $siglow - $sighigh";
1.195     albertel  710: 			    } else {
                    711: 				$element.= " Sig <i>$siglow - $sighigh</i>";
                    712: 				$sigline .= "[$siglow, $sighigh]";
                    713: 			    }
1.194     albertel  714: 			}
1.195     albertel  715: 			push(@all_answer_info,$element);
1.200     albertel  716: 			
                    717: 		    } elsif ($target eq 'analyze') {
                    718: 			push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
                    719: 			if ($high) {
                    720: 			    push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
                    721: 			    push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
                    722: 			}
                    723: 			if ($fmt) {
                    724: 			    push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
                    725: 			}
1.194     albertel  726: 		    }
1.200     albertel  727: 		}
                    728: 		if ($target eq 'answer') {
1.223     www       729: 		    $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
1.194     albertel  730: 		}
                    731: 	    }
                    732: 
                    733: 	    my @fmt_ans;
                    734: 	    for(my $i=0;$i<=$#answers;$i++) {
                    735: 		my $ans=$answers[$i];
                    736: 		my $fmt=$formats[0];
                    737: 		if (@formats && $#formats) {$fmt=$formats[$i];}
1.195     albertel  738: 		foreach my $element (@$ans) {		    
                    739: 		    if ($fmt && $tag eq 'numericalresponse') {
                    740: 			$fmt=~s/e/E/g;
                    741: 			if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
                    742: 			if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
                    743: 			$element = &format_number($element,$fmt,$target,
                    744: 						  $safeeval);
                    745: 			if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
                    746: 		    }
1.194     albertel  747: 		}
1.195     albertel  748: 		push(@fmt_ans,join(',',@$ans));
1.194     albertel  749: 	    }
1.195     albertel  750: 	    my $response=\@fmt_ans;
                    751: 
1.194     albertel  752: 	    my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
                    753: 					      $id.'.turnoffunit');
                    754: 	    if ($unit ne ''  && 
                    755: 		! ($Apache::lonhomework::type eq 'exam' ||
                    756: 		   lc($hideunit) eq "yes") )  {
                    757: 		my $cleanunit=$unit;
                    758: 		$cleanunit=~s/\$\,//g;
1.195     albertel  759: 		foreach my $ans (@fmt_ans) {
                    760: 		    $ans.=" $cleanunit";
                    761: 		}
1.60      sakharuk  762: 	    }
1.194     albertel  763: 	    my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
                    764: 					    $parstack,$safeeval);
                    765: 	    if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
                    766: 		my $error;
                    767: 		if ($tag eq 'formularesponse') {
1.236     bisitz    768: 		    $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"');
1.194     albertel  769: 		} else {
                    770: 		    # answer failed check if it is sig figs that is failing
                    771: 		    my ($ad,$msg)=&check_submission($response,$partid,$id,
                    772: 						    $tag,$parstack,
                    773: 						    $safeeval,1);
1.236     bisitz    774: 		    $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' ';
1.194     albertel  775: 		    if ($sigline ne '') {
1.236     bisitz    776: 			$error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline);
1.98      sakharuk  777: 		    } else {
1.236     bisitz    778: 			$error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline);
1.98      sakharuk  779: 		    }
                    780: 		}
1.194     albertel  781: 		if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
                    782: 		    &Apache::lonxml::error($error);
                    783: 		} else {
                    784: 		    &Apache::lonxml::warning($error);
1.165     albertel  785: 		}
1.79      sakharuk  786: 	    }
1.176     albertel  787: 
1.194     albertel  788: 	    if (defined($unit) and ($unit ne '') and
                    789: 		$tag eq 'numericalresponse') {
                    790: 		if ($target eq 'answer') {
                    791: 		    if ($env{'form.answer_output_mode'} eq 'tex') {
                    792: 			$result.=&Apache::response::answer_part($tag,
                    793: 								" Unit: $unit ");
                    794: 		    } else {
                    795: 			$result.=&Apache::response::answer_part($tag,
                    796: 								"Unit: <b>$unit</b>");
                    797: 		    }
                    798: 		} elsif ($target eq 'analyze') {
                    799: 		    push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171     albertel  800: 		}
1.167     albertel  801: 	    }
1.194     albertel  802: 	    if ($tag eq 'formularesponse' && $target eq 'answer') {
                    803: 		my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
                    804: 		$result.=&Apache::response::answer_part($tag,$samples);
1.89      albertel  805: 	    }
1.195     albertel  806: 	    $result.=&Apache::response::next_answer($tag,$name);
1.89      albertel  807: 	}
                    808: 	if ($target eq 'answer') {
1.125     albertel  809: 	    $result.=&Apache::response::answer_footer($tag);
1.89      albertel  810: 	}
1.69      sakharuk  811:     }
1.121     sakharuk  812:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
1.90      albertel  813: 	$target eq 'tex' || $target eq 'analyze') {
1.221     raeburn   814:         if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
                    815:             my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
                    816:             if ($type eq 'exam') {
                    817:                 $increment = &Apache::response::repetition();
                    818:             }
                    819:         }
1.220     albertel  820: 	&Apache::lonxml::increment_counter($increment,"$partid.$id");
                    821: 	if ($target eq 'analyze') {
                    822: 	    &Apache::lonhomework::set_bubble_lines();
                    823: 	}
1.90      albertel  824:     }
1.196     albertel  825:     &Apache::response::end_response();
1.89      albertel  826:     return $result;
1.90      albertel  827: }
                    828: 
1.212     albertel  829: sub format_prior_response_numerical {
                    830:     my ($mode,$answer) = @_;
1.213     albertel  831:     if (ref($answer)) {
                    832: 	my $result = '<table class="LC_prior_numerical"><tr>';
                    833: 	foreach my $element (@{ $answer }) {
                    834: 	    $result.= '<td><span class="LC_prior_numerical">'.
                    835: 		&HTML::Entities::encode($element,'"<>&').'</span></td>';
                    836: 	}
                    837: 	$result.='</tr></table>';
                    838: 	return $result;
                    839:     }
1.212     albertel  840:     return '<span class="LC_prior_numerical">'.
                    841: 	    &HTML::Entities::encode($answer,'"<>&').'</span>';
                    842: 
1.209     albertel  843: }
                    844: 
1.196     albertel  845: sub check_for_answer_errors {
                    846:     my ($parstack,$safeeval) = @_;
                    847:     &add_in_tag_answer($parstack,$safeeval);
                    848:     my %counts;
                    849:     foreach my $name (keys(%answer)) {
                    850: 	push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
                    851:     }
                    852:     if (scalar(keys(%counts)) > 1) {
                    853: 	my $counts = join(' ',map {
                    854: 	    my $count = $_;
                    855: 	    &mt("Answers [_1] had [_2] components.",
                    856: 		'<tt>'.join(', ',@{$counts{$count}}).'</tt>',
                    857: 		$count);
                    858: 	} (sort(keys(%counts))));
                    859: 	&Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
                    860:     }
                    861:     my $expected_number_of_inputs = (keys(%counts))[0];
1.214     albertel  862:     if ( $expected_number_of_inputs > 0 
                    863: 	 && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
1.196     albertel  864: 	&Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.", 
                    865: 				   $expected_number_of_inputs,
                    866: 				   scalar(@Apache::inputtags::inputlist)));
                    867:     }
                    868: }
                    869: 
1.90      albertel  870: sub get_table_sizes {
1.128     sakharuk  871:     my ($number_of_bubbles,$rbubble_values)=@_;
                    872:     my $scale=2; #mm for one digit
                    873:     my $cell_width=0;
                    874:     foreach my $member (@$rbubble_values) {
                    875: 	my $cell_width_real=0;
1.160     albertel  876: 	if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
1.138     sakharuk  877: 	    $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
                    878: 	} elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128     sakharuk  879: 	    $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138     sakharuk  880:         } elsif ($member=~/(\d*)\.(\d*)/) {
1.132     sakharuk  881: 	    $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128     sakharuk  882: 	} else {
1.138     sakharuk  883: 	    $cell_width_real=(length($member)+1)*$scale*0.9;
1.128     sakharuk  884: 	}
                    885: 	if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90      albertel  886:     }
1.132     sakharuk  887:     $cell_width+=8; 
1.130     sakharuk  888:     my $textwidth;
1.166     albertel  889:     if ($env{'form.textwidth'} ne '') {
                    890: 	$env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132     sakharuk  891: 	$textwidth=$1.'.'.$2;
1.130     sakharuk  892:     } else {
1.166     albertel  893: 	$env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132     sakharuk  894: 	$textwidth=$1.'.'.$2;
1.130     sakharuk  895:     }
1.128     sakharuk  896:     my $bubbles_per_line=int($textwidth/$cell_width);
1.151     sakharuk  897:     if ($bubbles_per_line > $number_of_bubbles) {
                    898: 	$bubbles_per_line=$number_of_bubbles;
1.216     albertel  899:     } elsif (($bubbles_per_line > $number_of_bubbles/2) 
                    900: 	     && ($number_of_bubbles % 2==0)) {
                    901: 	$bubbles_per_line=$number_of_bubbles/2;
                    902:     }
                    903:     if ($bubbles_per_line < 1) {
                    904: 	$bubbles_per_line=1;
                    905:     }
1.128     sakharuk  906:     my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90      albertel  907:     my @table_range = ();
1.128     sakharuk  908:     for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
                    909:     if ($number_of_bubbles % $bubbles_per_line) {
1.90      albertel  910: 	$number_of_tables++;
1.128     sakharuk  911: 	push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90      albertel  912:     }
1.128     sakharuk  913:     $cell_width-=8;
1.136     sakharuk  914:     $cell_width=$cell_width*3/4;
1.128     sakharuk  915:     return ($cell_width,$number_of_tables,@table_range);
1.90      albertel  916: }
                    917: 
                    918: sub format_number {
1.153     albertel  919:     my ($number,$format,$target,$safeeval)=@_;
1.90      albertel  920:     my $ans;
1.153     albertel  921:     if ($format eq '') {
1.90      albertel  922: 	#What is the number? (integer,decimal,floating point)
1.187     albertel  923: 	if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113     sakharuk  924: 	    $format = '3e';
1.90      albertel  925: 	} elsif ($number=~/^(\d*)\.(\d*)$/) {
                    926: 	    $format = '4f';
                    927: 	} elsif ($number=~/^(\d*)$/) {
                    928: 	    $format = 'd';
                    929: 	}
                    930:     }
1.156     albertel  931:     if (!$Apache::lonxml::default_homework_loaded) {
                    932: 	&Apache::lonxml::default_homework_load($safeeval);
                    933:     }
1.153     albertel  934:     $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90      albertel  935:     return $ans;
                    936: }
                    937: 
                    938: sub make_numerical_bubbles {
1.184     albertel  939:     my ($part,$id,$target,$parstack,$safeeval) =@_;
1.215     albertel  940: 
                    941:     if (!%answer) {
                    942: 	&Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
                    943: 	return ([],[],undef);
                    944:     }
1.184     albertel  945:     
                    946:     my $number_of_bubbles = 
                    947: 	&Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
                    948: 
                    949:     my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.201     albertel  950:     my $name = (exists($answer{$tag_internal_answer_name}) 
                    951: 		? $tag_internal_answer_name
                    952: 		: (sort(keys(%answer)))[0]);
                    953: 
                    954:     if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
                    955: 	&Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
                    956:     }
                    957:     if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
                    958: 	&Apache::lonxml::error("Vector answers are unsupported in exam mode.");
                    959:     }
                    960: 
                    961:     my $answer = $answer{$name}{'answers'}[0][0];
1.184     albertel  962:     my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
                    963: 						   $safeeval);
                    964:     if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
                    965:     
1.158     albertel  966:     my @bubble_values=();
1.184     albertel  967:     my @alphabet=('A'..'Z');
                    968: 
                    969:     &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119     albertel  970:     my @oldseed=&Math::Random::random_get_seed();
1.184     albertel  971:     if (@incorrect) {
                    972: 	&Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
                    973: 	if (defined($incorrect[0]) &&
                    974: 	    scalar(@incorrect)+1 >= $number_of_bubbles) {
                    975: 	    &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117     albertel  976: 	    &Apache::response::setrandomnumber();
1.184     albertel  977: 	    my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117     albertel  978: 	    @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
                    979: 	    @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184     albertel  980: 	    &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119     albertel  981: 	    &Math::Random::random_set_seed(@oldseed);
1.184     albertel  982: 
                    983: 	    my $correct;
                    984: 	    for(my $i=0; $i<=$#bubble_values;$i++) {
                    985: 		if ($bubble_values[$i] eq $answer) {
                    986: 		    $correct = $alphabet[$i];
                    987: 		    last;
                    988: 		}
                    989: 	    }
                    990: 
1.134     albertel  991: 	    if (defined($format) && $format ne '') {
1.158     albertel  992: 		my @bubble_display;
1.137     albertel  993: 		foreach my $value (@bubble_values) {
1.158     albertel  994: 		    push(@bubble_display,
                    995: 			 &format_number($value,$format,$target,$safeeval));
1.134     albertel  996: 		}
1.184     albertel  997: 		return (\@bubble_values,\@bubble_display,$correct);
1.158     albertel  998: 	    } else {
1.184     albertel  999: 		return (\@bubble_values,\@bubble_values,$correct);
1.134     albertel 1000: 	    }
1.117     albertel 1001: 	}
1.184     albertel 1002: 	if (defined($incorrect[0]) &&
                   1003: 	    scalar(@incorrect)+1 < $number_of_bubbles) {
                   1004: 	    &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
1.127     albertel 1005: 	}
1.117     albertel 1006:     }
1.90      albertel 1007:     my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126     albertel 1008:     my @powers = (1..$number_of_bubbles);
1.90      albertel 1009:     &Apache::response::setrandomnumber();
                   1010:     my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
                   1011:     my $power = $powers[$ind];
                   1012:     $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
                   1013:     my $factor = $factors[$ind];
1.158     albertel 1014:     my @bubble_display;
1.222     www      1015:     my $answerfactor=$answer;
                   1016:     if ($answer==0) { 
                   1017:        $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
                   1018:                      &Math::Random::random_uniform_integer(1,1,10);
                   1019:     }
1.90      albertel 1020:     for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.222     www      1021: 	$bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
1.158     albertel 1022: 	$bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153     albertel 1023: 					       $format,$target,$safeeval);
1.90      albertel 1024:     }
1.184     albertel 1025:     my $correct = $alphabet[$number_of_bubbles-$power];
1.222     www      1026:     if ($answer==0) {
                   1027:        $correct='A';
                   1028:        $bubble_values[0]=0;
                   1029:        $bubble_display[0] = &format_number($bubble_values[0],
                   1030:                                            $format,$target,$safeeval);
                   1031:     }
1.119     albertel 1032:     &Math::Random::random_set_seed(@oldseed);
1.184     albertel 1033:     return (\@bubble_values,\@bubble_display,$correct);
1.51      albertel 1034: }
                   1035: 
                   1036: sub get_tolrange {
1.89      albertel 1037:     my ($ans,$tol)=@_;
                   1038:     my ($high,$low);
                   1039:     if ($tol =~ /%$/) {
                   1040: 	chop($tol);
                   1041: 	my $change=$ans*($tol/100.0);
                   1042: 	$high=$ans+$change;
                   1043: 	$low=$ans-$change;
                   1044:     } else {
                   1045: 	$high=$ans+$tol;
                   1046: 	$low=$ans-$tol;
                   1047:     }
                   1048:     return ($high,$low);
1.52      albertel 1049: }
                   1050: 
                   1051: sub get_sigrange {
1.89      albertel 1052:     my ($sig)=@_;
1.195     albertel 1053:     #&Apache::lonxml::debug("Got a sig of :$sig:");
1.166     albertel 1054:     my $courseid=$env{'request.course.id'};
1.219     albertel 1055:     if ($env{'request.state'} ne 'construct'
                   1056: 	&& lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147     albertel 1057: 	return (15,0);
                   1058:     }
1.89      albertel 1059:     my $sig_lbound;
                   1060:     my $sig_ubound;
                   1061:     if ($sig eq '') {
                   1062: 	$sig_lbound = 0; #SIG_LB_DEFAULT
                   1063: 	$sig_ubound =15; #SIG_UB_DEFAULT
                   1064:     } else {
                   1065: 	($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145     albertel 1066: 	if (!defined($sig_lbound)) {
1.89      albertel 1067: 	    $sig_lbound = 0; #SIG_LB_DEFAULT
                   1068: 	    $sig_ubound =15; #SIG_UB_DEFAULT
                   1069: 	}
1.145     albertel 1070: 	if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133     albertel 1071:     }
                   1072:     if (($sig_ubound<$sig_lbound) ||
                   1073: 	($sig_lbound > 15) ||
                   1074: 	($sig =~/(\+|-)/ ) ) {
                   1075: 	my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166     albertel 1076: 	if ($env{'request.state'} eq 'construct') {
1.133     albertel 1077: 	    $errormsg.=
                   1078: 		&Apache::loncommon::help_open_topic('Significant_Figures');
                   1079: 	}
                   1080: 	&Apache::lonxml::error($errormsg);
1.52      albertel 1081:     }
1.89      albertel 1082:     return ($sig_ubound,$sig_lbound);
1.34      albertel 1083: }
                   1084: 
1.212     albertel 1085: sub format_prior_response_string {
                   1086:     my ($mode,$answer) =@_;
                   1087:     return '<span class="LC_prior_string">'.
                   1088: 	    &HTML::Entities::encode($answer,'"<>&').'</span>';
1.211     albertel 1089: }
                   1090: 
1.34      albertel 1091: sub start_stringresponse {
1.89      albertel 1092:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   1093:     my $result;
1.122     albertel 1094:     my $id = &Apache::response::start_response($parstack,$safeeval);
1.89      albertel 1095:     if ($target eq 'meta') {
                   1096: 	$result=&Apache::response::meta_package_write('stringresponse');
1.122     albertel 1097:     } elsif ($target eq 'edit') {
                   1098: 	$result.=&Apache::edit::tag_start($target,$token);
                   1099: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                   1100: 	$result.=&Apache::edit::select_arg('Type:','type',
                   1101: 			 [['cs','Case Sensitive'],['ci','Case Insensitive'],
                   1102: 			  ['mc','Case Insensitive, Any Order'],
                   1103: 			  ['re','Regular Expression']],$token);
1.152     albertel 1104: 	$result.=&Apache::edit::text_arg('String to display for answer:',
                   1105: 					 'answerdisplay',$token);
1.122     albertel 1106: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                   1107:     } elsif ($target eq 'modified') {
1.146     albertel 1108: 	my $constructtag;
                   1109: 	$constructtag=&Apache::edit::get_new_args($token,$parstack,
                   1110: 						  $safeeval,'answer',
                   1111: 						  'type','answerdisplay');
                   1112: 	if ($constructtag) {
                   1113: 	    $result = &Apache::edit::rebuild_tag($token);
                   1114: 	    $result.=&Apache::edit::handle_insert();
                   1115: 	}
                   1116:     } elsif ($target eq 'web') {
                   1117: 	if (  &Apache::response::show_answer() ) {
1.152     albertel 1118: 	    my $answer=
                   1119: 	       &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
                   1120: 	    if (!defined $answer || $answer eq '') {
                   1121: 		$answer=
                   1122: 		    &Apache::lonxml::get_param('answer',$parstack,$safeeval);
                   1123: 	    }
1.195     albertel 1124: 	    $Apache::inputtags::answertxt{$id}=[$answer];
1.146     albertel 1125: 	} 
1.122     albertel 1126:     } elsif ($target eq 'answer' || $target eq 'grade') {
                   1127: 	&Apache::response::reset_params();
1.89      albertel 1128:     }
                   1129:     return $result;
1.34      albertel 1130: }
                   1131: 
                   1132: sub end_stringresponse {
1.122     albertel 1133:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189     albertel 1134: 
1.122     albertel 1135:     my $result = '';
                   1136:     my $part=$Apache::inputtags::part;
                   1137:     my $id=$Apache::inputtags::response[-1];
                   1138:     my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                   1139:     my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129     www      1140:     my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122     albertel 1141:     &Apache::lonxml::debug("current $answer ".$token->[2]);
                   1142:     if (!$Apache::lonxml::default_homework_loaded) {
                   1143: 	&Apache::lonxml::default_homework_load($safeeval);
                   1144:     }
1.162     albertel 1145:     if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140     albertel 1146: 	&Apache::response::setup_params('stringresponse',$safeeval);
1.122     albertel 1147: 	$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
                   1148: 	if ($Apache::lonhomework::type eq 'exam' ||
1.162     albertel 1149: 	    &Apache::response::submitted('scantron')) {
1.189     albertel 1150: 	    &Apache::response::scored_response($part,$id);
                   1151: 
1.122     albertel 1152: 	} else {
                   1153: 	    my $response = &Apache::response::getresponse();
                   1154: 	    if ( $response =~ /[^\s]/) {
                   1155: 		my %previous = &Apache::response::check_for_previous($response,
                   1156: 								    $part,$id);
                   1157: 		&Apache::lonxml::debug("submitted a $response<br>\n");
                   1158: 		&Apache::lonxml::debug($$parstack[-1] . "\n<br>");
                   1159: 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=
                   1160: 		    $response;
1.142     albertel 1161: 		my ($ad,$msg);
1.122     albertel 1162: 		if ($type eq 're' ) { 
                   1163: 		    # if the RE wasn't in a var it likely got munged,
                   1164:                     # thus grab it from the var directly
                   1165: #		    my $testans=$token->[2]->{'answer'};
                   1166: #		    if ($testans !~ m/^\s*\$/) {
                   1167: #			$answer=$token->[2]->{'answer'};
                   1168: #		    }
1.143     albertel 1169: 		    ${$safeeval->varglob('LONCAPA::response')}=$response;
1.179     albertel 1170: 		    $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122     albertel 1171: 		    &Apache::lonxml::debug("current $response");
                   1172: 		    &Apache::lonxml::debug("current $answer");
                   1173: 		    $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
                   1174: 		} else {
1.195     albertel 1175: 		    my @args = ('type');
                   1176: 		    my $args_ref = &setup_capa_args($safeeval,$parstack,
                   1177: 						    \@args,$response);
1.233     raeburn  1178:                     if ($$args_ref{'type'} eq '') {
                   1179:                         $$args_ref{'type'} = 'ci';
                   1180:                     }
1.195     albertel 1181: 		    &add_in_tag_answer($parstack,$safeeval);
                   1182: 		    my (@final_awards,@final_msgs,@names);
                   1183: 		    foreach my $name (keys(%answer)) {
                   1184: 			&Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
                   1185: 			${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.233     raeburn  1186: 			my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.195     albertel 1187: 			&Apache::lonxml::debug('msgs are'.join(':',@msgs));
                   1188: 			my ($awards)=split(/:/,$result);
                   1189: 			my (@awards) = split(/,/,$awards);
                   1190: 			($ad,$msg) = 
                   1191: 			    &Apache::inputtags::finalizeawards(\@awards,\@msgs);
                   1192: 			push(@final_awards,$ad);
                   1193: 			push(@final_msgs,$msg);
                   1194: 			push(@names,$name);
                   1195: 			&Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.122     albertel 1196: 		    }
1.240   ! raeburn  1197: 		    ($ad, $msg, my $name) = 
1.195     albertel 1198: 			&Apache::inputtags::finalizeawards(\@final_awards,
                   1199: 							   \@final_msgs,
                   1200: 							   \@names,1);
1.122     albertel 1201: 		}
1.237     raeburn  1202:                 if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
                   1203:                      $ad eq 'EXACT_ANS')) {
                   1204: 		    if ($Apache::lonhomework::type eq 'survey') {
                   1205: 		        $ad='SUBMITTED';
                   1206: 		    } elsif ($Apache::lonhomework::type eq 'surveycred') {
                   1207:                         $ad='SUBMITTED_CREDIT';
                   1208:                     } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
                   1209:                         $ad='ANONYMOUS';
                   1210:                     } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
                   1211:                         $ad='ANONYMOUS_CREDIT';
                   1212:                     }
                   1213:                 }
1.122     albertel 1214: 		&Apache::response::handle_previous(\%previous,$ad);
                   1215: 		$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142     albertel 1216: 		$Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122     albertel 1217: 	    }
                   1218: 	}
                   1219:     } elsif ($target eq 'answer' || $target eq 'analyze') {
1.200     albertel 1220: 	&add_in_tag_answer($parstack,$safeeval);
1.122     albertel 1221: 	if ($target eq 'analyze') {
                   1222: 	    push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125     albertel 1223: 	    $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154     albertel 1224: 	    &Apache::response::check_if_computed($token,$parstack,$safeeval,
                   1225: 						 'answer');
1.122     albertel 1226: 	}
1.140     albertel 1227: 	&Apache::response::setup_params('stringresponse',$safeeval);
1.122     albertel 1228: 	if ($target eq 'answer') {
1.125     albertel 1229: 	    $result.=&Apache::response::answer_header('stringresponse');
1.122     albertel 1230: 	}
1.200     albertel 1231: 	foreach my $name (keys(%answer)) {
                   1232: 	    my @answers = @{ $answer{$name}{'answers'} };
                   1233: 	    for (my $i=0;$i<=$#answers;$i++) {
                   1234: 		my $answer_part = $answers[$i];
                   1235: 		foreach my $element (@{$answer_part}) {
                   1236: 		    if ($target eq 'answer') {
                   1237: 			$result.=&Apache::response::answer_part('stringresponse',
                   1238: 								$element);
                   1239: 		    } elsif ($target eq 'analyze') {
                   1240: 			push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
                   1241: 			      $element);
                   1242: 		    }
                   1243: 		}
                   1244: 		if ($target eq 'answer' && $type eq 're') {
1.178     albertel 1245: 		    $result.=&Apache::response::answer_part('stringresponse',
                   1246: 							    $answerdisplay);
                   1247: 		}
1.122     albertel 1248: 	    }
1.200     albertel 1249: 	}
1.122     albertel 1250: 	my $string='Case Insensitive';
                   1251: 	if ($type eq 'mc') {
                   1252: 	    $string='Multiple Choice';
                   1253: 	} elsif ($type eq 'cs') {
                   1254: 	    $string='Case Sensitive';
                   1255: 	} elsif ($type eq 'ci') {
                   1256: 	    $string='Case Insensitive';
                   1257: 	} elsif ($type eq 're') {
                   1258: 	    $string='Regular Expression';
                   1259: 	}
                   1260: 	if ($target eq 'answer') {
1.166     albertel 1261: 	    if ($env{'form.answer_output_mode'} eq 'tex') {
1.125     albertel 1262: 		$result.=&Apache::response::answer_part('stringresponse',
1.122     albertel 1263: 							"$string");
                   1264: 	    } else {
1.125     albertel 1265: 		$result.=&Apache::response::answer_part('stringresponse',
1.122     albertel 1266: 							"<b>$string</b>");
                   1267: 	    }
                   1268: 	} elsif ($target eq 'analyze') {
                   1269: 	    push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
                   1270: 		  $type);
                   1271: 	}
                   1272: 	if ($target eq 'answer') {
1.125     albertel 1273: 	    $result.=&Apache::response::answer_footer('stringresponse');
1.122     albertel 1274: 	}
                   1275:     } elsif ($target eq 'edit') {
                   1276: 	$result.='</td></tr>'.&Apache::edit::end_table;
1.211     albertel 1277:     } elsif ($target eq 'web' || $target eq 'tex') {
1.212     albertel 1278: 	&Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1.122     albertel 1279:     }
                   1280:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
                   1281: 	$target eq 'tex' || $target eq 'analyze') {
1.220     albertel 1282: 	&Apache::lonxml::increment_counter(&Apache::response::repetition(),
                   1283: 					   "$part.$id");
                   1284: 	if ($target eq 'analyze') {
                   1285: 	    &Apache::lonhomework::set_bubble_lines();
                   1286: 	}
1.122     albertel 1287:     }
                   1288:     &Apache::response::end_response;
                   1289:     return $result;
1.44      albertel 1290: }
                   1291: 
                   1292: sub start_formularesponse {
1.89      albertel 1293:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                   1294:     my $result;
                   1295:     if ($target eq 'meta') {
1.104     bowersj2 1296: 	&Apache::response::start_response($parstack,$safeeval);
1.89      albertel 1297: 	$result=&Apache::response::meta_package_write('formularesponse');
1.104     bowersj2 1298: 	&Apache::response::end_response();
1.89      albertel 1299:     } else {
                   1300: 	$result.=&start_numericalresponse(@_);
                   1301:     }
                   1302:     return $result;
1.44      albertel 1303: }
                   1304: 
                   1305: sub end_formularesponse {
1.89      albertel 1306:     return end_numericalresponse(@_);
1.3       albertel 1307: }
                   1308: 
1.1       albertel 1309: 1;
1.3       albertel 1310: __END__
1.89      albertel 1311: 

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