Annotation of loncom/homework/hint.pm, revision 1.76

1.21      albertel    1: # The LearningOnline Network with CAPA 
                      2: # implements the tags that control the hints
                      3: #
1.76    ! www         4: # $Id: hint.pm,v 1.75 2009/04/17 01:00:15 www Exp $
1.21      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: #
1.33      albertel   10: # LON-CAPA me&aree software; you can redistribute it and/or modify
1.21      albertel   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: #
                     28: 
1.73      jms        29: 
                     30: 
1.1       albertel   31: package Apache::hinttags; 
                     32: 
                     33: use strict;
1.65      albertel   34: use Apache::lonnet();
1.6       albertel   35: use capa;
1.65      albertel   36: use Apache::caparesponse();
1.63      www        37: use Apache::lonmaxima();
1.75      www        38: use Apache::lonr();
1.76    ! www        39: use Apache::chemresponse();
1.63      www        40: use Apache::response();
1.53      albertel   41: use Apache::lonlocal;
1.65      albertel   42: use Storable qw(dclone);
1.1       albertel   43: 
1.25      harris41   44: BEGIN {
1.76    ! www        45:     &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint','stringhint','formulahint','optionhint','radiobuttonhint','mathhint','customhint','reactionhint','organichint'));
1.1       albertel   46: }
                     47: 
1.2       albertel   48: 
1.15      albertel   49: @Apache::hint::which=();
1.1       albertel   50: sub start_hintgroup {
1.39      albertel   51:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     52:     my $skiptoend='0';
                     53:     my $result;
                     54: 
                     55:     if ($target eq 'web') {
                     56: 	my $id=$Apache::inputtags::part;
                     57: 	my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
                     58: 	if ( $numtries eq '') { $numtries = 0; }
1.52      albertel   59: 	my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
1.39      albertel   60: 	&Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
1.53      albertel   61: 	my $gradestatus=
                     62: 	    $Apache::lonhomework::history{"resource.$id.solved"};
                     63: 	my $showoncorrect=lc(&Apache::lonxml::get_param('showoncorrect',$parstack,$safeeval));	
                     64: 	&Apache::lonxml::debug("onc orrect $showoncorrect, $gradestatus");
1.58      albertel   65: 	if ( ($showoncorrect ne 'yes' && &Apache::response::show_answer()) ||
1.53      albertel   66: 	     ( $numtries < $hinttries) ) {
                     67: 	    &Apache::lonxml::debug("Grabbin all");
1.61      albertel   68: 	    &Apache::lonxml::get_all_text("/hintgroup",$parser,$style);
1.39      albertel   69: 	}
1.40      albertel   70: 	&Apache::lonxml::startredirection;
1.39      albertel   71:     } elsif ($target eq 'tex') {
                     72: 	$result .= '\keephidden{';
1.53      albertel   73:     } elsif ($target eq 'edit') {
                     74: 	$result.=&Apache::edit::tag_start($target,$token);
1.72      bisitz     75: 	$result.=&Apache::edit::select_arg('Show hint even if problem Correct:','showoncorrect',['no','yes'],$token);
1.53      albertel   76: 	$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                     77:     } elsif ($target eq 'modified') {
                     78: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'showoncorrect');
                     79:        if ($constructtag) {
                     80:            $result =&Apache::edit::rebuild_tag($token);
                     81:        }
1.20      albertel   82:     }
1.39      albertel   83:     @Apache::hint::which=();
                     84:     return $result;
1.1       albertel   85: }
                     86: 
                     87: sub end_hintgroup {
1.39      albertel   88:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     89:     my $result;
1.20      albertel   90: 
1.39      albertel   91:     if ($target eq 'web') {
                     92: 	my $id=$Apache::inputtags::part;
                     93: 	my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
                     94: 	if ( $numtries eq '') { $numtries = 0; }
1.52      albertel   95: 	my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
1.39      albertel   96: 	&Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
1.40      albertel   97: 	my $hinttext=&Apache::lonxml::endredirection;
                     98: 	if ($Apache::lonhomework::type ne 'exam' &&
1.41      albertel   99: 	    $numtries >= $hinttries && $hinttext =~/\S/) {
1.40      albertel  100: 	    $result='<table bgcolor="#dddddd"><tr><td>'.
                    101: 		$hinttext.'</td></tr></table>';
1.38      albertel  102: 	}
1.39      albertel  103:     } elsif ($target eq 'edit') {
1.62      albertel  104: 	$result.=&Apache::edit::end_row().&Apache::edit::end_table();
1.39      albertel  105:     } elsif ($target eq 'tex') {
                    106: 	$result .= '}';
1.19      albertel  107:     }
1.39      albertel  108:     @Apache::hint::which=();
                    109:     return $result;
1.3       albertel  110: }
                    111: 
                    112: sub start_numericalhint {
1.39      albertel  113:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    114:     #do everything in end, so intervening <responseparams> work
                    115:     &Apache::response::start_hintresponse($parstack,$safeeval);
1.66      albertel  116:     &Apache::caparesponse::push_answer();
1.39      albertel  117:     my $result;
                    118:     if ($target eq 'edit') {
                    119: 	$result.=&Apache::edit::tag_start($target,$token);
                    120: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    121: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                    122: 	if ($token->[1] eq 'numericalhint') {
                    123: 	    $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
                    124: 		&Apache::loncommon::help_open_topic('Physical_Units');
                    125: 	    $result.=&Apache::edit::text_arg('Format:','format',$token,4).
                    126: 		&Apache::loncommon::help_open_topic('Numerical_Response_Format');
                    127: 	} elsif ($token->[1] eq 'formulahint') {
1.65      albertel  128: 	    $result.=&Apache::edit::text_arg('Sample Points:','samples',
                    129: 					     $token,40).
                    130: 	        &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
1.39      albertel  131: 	}
                    132: 	$result.=&Apache::edit::end_row();
                    133: 	$result.=&Apache::edit::start_spanning_row();
                    134:     } elsif ($target eq 'modified') {
                    135: 	my $constructtag;
                    136: 	if ($token->[1] eq 'numericalhint') {
                    137: 	    $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    138: 						     $safeeval,'name',
                    139: 						     'answer','unit','format');
                    140: 	} elsif ($token->[1] eq 'formulahint') {
                    141: 	    $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    142: 						     $safeeval,'name','answer',
                    143: 						     'samples');
                    144: 	}
                    145: 	if ($constructtag) {
                    146: 	    $result  = &Apache::edit::rebuild_tag($token);
                    147: 	}
                    148:     } elsif ($target eq 'web') {
                    149: 	&Apache::response::reset_params();
1.28      albertel  150:     }
1.39      albertel  151:     return $result;
1.3       albertel  152: }
                    153: 
                    154: sub end_numericalhint {
1.39      albertel  155:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    156:     my $result;
                    157:     if ($target eq 'web') {
                    158: 	if (!$Apache::lonxml::default_homework_loaded) {
                    159: 	    &Apache::lonxml::default_homework_load($safeeval);
                    160: 	}
                    161: 	$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.65      albertel  162: 	my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48      albertel  163: 	&Apache::response::setup_params('numericalhint',$safeeval);
1.65      albertel  164: 
1.39      albertel  165: 	my $partid=$Apache::inputtags::part;
1.60      albertel  166: 	my $id=$Apache::inputtags::hint[-1];
1.69      bisitz    167: 	#id submissions occurred under
1.60      albertel  168: 	my $submitid=$Apache::inputtags::response[-1];
1.65      albertel  169: 
1.39      albertel  170: 	my $response = $Apache::lonhomework::history{
1.18      albertel  171: 			    "resource.$partid.$submitid.submission"};
1.39      albertel  172: 	&Apache::lonxml::debug("hintgroup is using $response<br />\n");
1.65      albertel  173: 
                    174: 	my @args = ('type','tol','sig','ans_fmt','unit','calc','samples');
                    175: 	my $args_ref =
                    176: 	    &Apache::caparesponse::setup_capa_args($safeeval,$parstack,
                    177: 						   \@args,$response);
                    178: 
1.54      albertel  179: 	my $hideunit=&Apache::response::get_response_param($partid.'_'.$submitid,'turnoffunit');
1.51      albertel  180: 	if (lc($hideunit) eq "yes") { delete($$args_ref{'unit'}); }
1.65      albertel  181: 
1.43      albertel  182: 	if ($$tagstack[-1] eq 'formulahint') {
1.67      www       183:             if ($$args_ref{'samples'}) {
                    184:                 $$args_ref{'type'}='fml';
                    185:             } else {
                    186:                 $$args_ref{'type'}='math';
                    187:             }
1.43      albertel  188: 	} elsif ($$tagstack[-1] eq 'numericalhint') {
1.51      albertel  189: 	    $$args_ref{'type'}='float';
1.39      albertel  190: 	}
1.65      albertel  191: 	&Apache::caparesponse::add_in_tag_answer($parstack,$safeeval);
                    192: 	my %answer = &Apache::caparesponse::get_answer();
                    193: 	my (@final_awards,@final_msgs,@ans_names);
                    194: 	foreach my $ans_name (keys(%answer)) {
                    195: 	    &Apache::lonxml::debug(" doing $ans_name with ".join(':',@{ $answer{$ans_name}{'answers'} }));
                    196: 	
                    197: 	    ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=
                    198: 		dclone($answer{$ans_name});
                    199: 	    &Apache::caparesponse::setup_capa_response($args_ref,$response);
                    200: 	    my ($result,@msgs) = 
1.71      raeburn   201: 		&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.65      albertel  202: 	    &Apache::lonxml::debug("checking $ans_name $result with $response");
                    203: 	    &Apache::lonxml::debug('msgs are '.join(':',@msgs));
                    204: 	    my ($awards)=split(/:/,$result);
                    205: 	    my @awards= split(/,/,$awards);
                    206: 	    my ($ad, $msg) = 
                    207: 		&Apache::inputtags::finalizeawards(\@awards,\@msgs);
                    208: 	    push(@final_awards,$ad);
                    209: 	    push(@final_msgs,$msg);
                    210: 	    push(@ans_names,$ans_name);
                    211: 	}
                    212: 	my ($ad, $msg, $ans_name) =
                    213: 	    &Apache::inputtags::finalizeawards(\@final_awards,
                    214: 					       \@final_msgs,
                    215: 					       \@ans_names,1);
                    216: 	if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
                    217: 	    push(@Apache::hint::which,$hint_name);	
                    218: 	}
1.39      albertel  219: 	$result='';
                    220:     } elsif ($target eq 'meta') {
                    221: 	$result=&Apache::response::meta_package_write($token->[1]);
                    222:     } elsif ($target eq 'edit') {
1.62      albertel  223: 	$result.=&Apache::edit::end_row().&Apache::edit::end_table();
1.18      albertel  224:     }
1.66      albertel  225:     &Apache::caparesponse::pop_answer();
1.39      albertel  226:     &Apache::response::end_hintresponse();
                    227:     return $result;
1.28      albertel  228: }
                    229: 
1.51      albertel  230: sub start_formulahint {
1.35      albertel  231:     return &start_numericalhint(@_);
1.28      albertel  232: }
                    233: 
1.51      albertel  234: sub end_formulahint {
1.35      albertel  235:     return &end_numericalhint(@_);
1.28      albertel  236: }
                    237: 
1.63      www       238: sub start_mathhint {
                    239:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    240:     #do everything in end, so intervening <responseparams> and <answer> work
                    241:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    242:     &Apache::lonxml::register('Apache::response',('answer'));
                    243:     my $result;
                    244:     if ($target eq 'edit') {
                    245:         $result.=&Apache::edit::tag_start($target,$token);
                    246:         $result.=&Apache::edit::text_arg('Name:','name',$token);
                    247:         $result.=&Apache::edit::select_arg('Algebra System:',
                    248:                                            'cas',
1.75      www       249:                                            ['maxima','R'],
1.63      www       250:                                            $token);
                    251:         $result.=&Apache::edit::text_arg('Argument Array:',
                    252:                                          'args',$token);
                    253:         $result.=&Apache::edit::end_row();
                    254:         $result.=&Apache::edit::start_spanning_row();
                    255:     } elsif ($target eq 'modified') {
                    256:         my $constructtag;
                    257:         $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    258:                                                   $safeeval,'name','cas',
                    259:                                                   'args');
                    260:         $result  = &Apache::edit::rebuild_tag($token);
                    261:     } elsif ($target eq 'web') {
                    262:         &Apache::response::reset_params();
                    263:     }
                    264:     return $result;
                    265: }
                    266: 
                    267: sub end_mathhint {
                    268:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    269:     my $result;
                    270:     if ($target eq 'web') {
                    271:         if (!$Apache::lonxml::default_homework_loaded) {
                    272:             &Apache::lonxml::default_homework_load($safeeval);
                    273:         }
                    274: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    275:         &Apache::response::setup_params('mathhint',$safeeval);
                    276:         my $partid=$Apache::inputtags::part;
                    277:         my $submitid=$Apache::inputtags::response[-1];
                    278:         my $response = $Apache::lonhomework::history{
                    279:                             "resource.$partid.$submitid.submission"};
                    280: 	
                    281: 	my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
                    282: 	my $award;
                    283: 	if ($cas eq 'maxima') {
                    284: 	    my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
                    285: 	    $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args);
                    286: 	}
1.75      www       287:         if ($cas eq 'R') {
                    288:             my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
                    289:             $award=&Apache::lonr::r_run($Apache::response::custom_answer[-1],$response,$args);
                    290:         }
1.63      www       291:         if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
                    292:             push (@Apache::hint::which,$name);
                    293:         }
                    294:         $result='';
                    295:     } elsif ($target eq 'meta') {
                    296:         $result=&Apache::response::meta_package_write($token->[1]);
                    297:     } elsif ($target eq 'edit') {
                    298:         $result.=&Apache::edit::end_row().&Apache::edit::end_table();
                    299:     }
                    300:     pop(@Apache::response::custom_answer);
                    301:     pop(@Apache::response::custom_answer_type);
                    302:     &Apache::response::end_hintresponse();
                    303:     return $result;
                    304: }
                    305: 
1.64      www       306: sub start_customhint {
                    307:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    308:     #do everything in end, so intervening <responseparams> and <answer> work
                    309:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    310:     &Apache::lonxml::register('Apache::response',('answer'));
                    311:     my $result;
                    312:     if ($target eq 'edit') {
                    313:         $result.=&Apache::edit::tag_start($target,$token);
                    314:         $result.=&Apache::edit::text_arg('Name:','name',$token);
                    315:         $result.=&Apache::edit::end_row();
                    316:         $result.=&Apache::edit::start_spanning_row();
                    317:     } elsif ($target eq 'modified') {
                    318:         my $constructtag;
                    319:         $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    320:                                                   $safeeval,'name');
                    321:         $result  = &Apache::edit::rebuild_tag($token);
                    322:     } elsif ($target eq 'web') {
                    323:         &Apache::response::reset_params();
                    324:     }
                    325:     return $result;
                    326: }
                    327: 
                    328: sub end_customhint {
                    329:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    330:     my $result;
                    331:     if ($target eq 'web') {
                    332:         if (!$Apache::lonxml::default_homework_loaded) {
                    333:             &Apache::lonxml::default_homework_load($safeeval);
                    334:         }
                    335: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    336:         &Apache::response::setup_params('customhint',$safeeval);
                    337:         my $partid=$Apache::inputtags::part;
                    338:         my $submitid=$Apache::inputtags::response[-1];
                    339:         my $response = $Apache::lonhomework::history{
                    340:                             "resource.$partid.$submitid.submission"};
                    341:         my $award;	
                    342: 	if ( $response =~ /[^\s]/ && 
                    343: 	     $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
                    344: 	    if (!$Apache::lonxml::default_homework_loaded) {
                    345: 		&Apache::lonxml::default_homework_load($safeeval);
                    346: 	    }
                    347: 	    ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
                    348: 		$response;
                    349: 	    
                    350: 	    $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
                    351: 	}
                    352:         if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
                    353:             push (@Apache::hint::which,$name);
                    354:         }
                    355:         $result='';
                    356:     } elsif ($target eq 'meta') {
                    357:         $result=&Apache::response::meta_package_write($token->[1]);
                    358:     } elsif ($target eq 'edit') {
                    359:         $result.=&Apache::edit::end_row().&Apache::edit::end_table();
                    360:     }
                    361:     pop(@Apache::response::custom_answer);
                    362:     pop(@Apache::response::custom_answer_type);
                    363:     &Apache::response::end_hintresponse();
                    364:     return $result;
                    365: }
                    366: 
1.51      albertel  367: sub start_stringhint {
                    368:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    369:     #do everything in end, so intervening <responseparams> work
                    370:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    371:     my $result;
                    372:     if ($target eq 'edit') {
                    373: 	$result.=&Apache::edit::tag_start($target,$token);
                    374: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    375: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                    376: 	$result.=&Apache::edit::select_arg('Type:','type',
                    377: 			 [['cs','Case Sensitive'],['ci','Case Insensitive'],
                    378: 			  ['mc','Case Insensitive, Any Order'],
                    379: 			  ['re','Regular Expression']],$token);
                    380: 	$result.=&Apache::edit::end_row();
                    381: 	$result.=&Apache::edit::start_spanning_row();
                    382:     } elsif ($target eq 'modified') {
                    383: 	my $constructtag;
                    384: 	$constructtag=&Apache::edit::get_new_args($token,$parstack,
                    385: 						  $safeeval,'name','answer',
                    386: 						  'type');
                    387: 	$result  = &Apache::edit::rebuild_tag($token);
                    388:     } elsif ($target eq 'web') {
                    389: 	&Apache::response::reset_params();
                    390:     }
                    391:     return $result;
1.28      albertel  392: }
                    393: 
1.51      albertel  394: sub end_stringhint {
                    395:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    396:     my $result;
                    397:     if ($target eq 'web') {
                    398: 	if (!$Apache::lonxml::default_homework_loaded) {
                    399: 	    &Apache::lonxml::default_homework_load($safeeval);
                    400: 	}
                    401: 	$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.65      albertel  402: 	my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.51      albertel  403: 	&Apache::response::setup_params('stringhint',$safeeval);
                    404: 	my $partid=$Apache::inputtags::part;
1.60      albertel  405: 	my $id=$Apache::inputtags::hint[-1];
1.69      bisitz    406: 	#id submissions occurred under
1.60      albertel  407: 	my $submitid=$Apache::inputtags::response[-1];
1.51      albertel  408: 	my $response = $Apache::lonhomework::history{
                    409: 			    "resource.$partid.$submitid.submission"};
                    410: 	&Apache::lonxml::debug("hintgroup is using $response<br />\n");
1.65      albertel  411: 	my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.51      albertel  412: 	my ($ad,$msg);
                    413: 	if ($type eq 're' ) {
1.65      albertel  414: 	    my $answer=&Apache::lonxml::get_param('answer',$parstack,
                    415: 						  $safeeval);
1.51      albertel  416: 	    ${$safeeval->varglob('LONCAPA::response')}=$response;
1.57      albertel  417: 	    my $compare='=';
                    418: 	    if ($answer=~/^\s*NOT\s*/) {
                    419: 		$answer=~s/^\s*NOT\s*//;
                    420: 		$compare='!';
                    421: 	    }
                    422: 	    my $test='$LONCAPA::response'.$compare.'~m'.$answer;
                    423: 	    &Apache::lonxml::debug("test $test");
                    424: 	    $result = &Apache::run::run("return $test",$safeeval);
1.51      albertel  425: 	    &Apache::lonxml::debug("current $response");
                    426: 	    &Apache::lonxml::debug("current $answer");
                    427: 	    $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
                    428: 	} else { 
1.65      albertel  429: 	    my @args = ('type');
                    430: 	    my $args_ref = 
                    431: 		&Apache::caparesponse::setup_capa_args($safeeval,$parstack,
                    432: 						       \@args,$response);
1.71      raeburn   433:             if ($$args_ref{'type'} eq '') {
                    434:                 $$args_ref{'type'} = 'ci';
                    435:             }
1.65      albertel  436: 	    &Apache::caparesponse::add_in_tag_answer($parstack,$safeeval);
                    437: 	    my (@final_awards,@final_msgs,@ans_names);
                    438: 	    my %answer = &Apache::caparesponse::get_answer();
                    439: 	    foreach my $ans_name (keys(%answer)) {
                    440: 		&Apache::lonxml::debug(" doing $ans_name with ".join(':',@{ $answer{$ans_name}{'answers'} }));
                    441: 		${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$ans_name});
1.71      raeburn   442: 		my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.65      albertel  443: 		&Apache::lonxml::debug('msgs are'.join(':',@msgs));
                    444: 		my ($awards) = split(/:/,$result);
                    445: 		my (@awards) = split(/,/,$awards);
                    446: 		($ad,$msg) = 
                    447: 		    &Apache::inputtags::finalizeawards(\@awards,\@msgs);
                    448: 		push(@final_awards,$ad);
                    449: 		push(@final_msgs,$msg);
                    450: 		push(@ans_names,$ans_name);
                    451: 		&Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.51      albertel  452: 	    }
1.65      albertel  453: 	    my ($ad, $msg, $ans_name) = 
                    454: 		&Apache::inputtags::finalizeawards(\@final_awards,
                    455: 						   \@final_msgs,
                    456: 						   \@ans_names,1);
1.51      albertel  457: 	}
                    458: 	if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { 
1.65      albertel  459: 	    push(@Apache::hint::which,$hint_name);
1.51      albertel  460: 	}
                    461: 	$result='';
                    462:     } elsif ($target eq 'meta') {
                    463: 	$result=&Apache::response::meta_package_write($token->[1]);
                    464:     } elsif ($target eq 'edit') {
1.62      albertel  465: 	$result.=&Apache::edit::end_row().&Apache::edit::end_table();
1.51      albertel  466:     }
                    467:     &Apache::response::end_hintresponse();
                    468:     return $result;
1.1       albertel  469: }
                    470: 
1.76    ! www       471: # reactionhint
        !           472: 
        !           473: sub start_reactionhint {
        !           474:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           475:     #do everything in end, so intervening <responseparams> work
        !           476:     &Apache::response::start_hintresponse($parstack,$safeeval);
        !           477:     my $result;
        !           478:     if ($target eq 'edit') {
        !           479:         $result.=&Apache::edit::tag_start($target,$token);
        !           480:         $result.=&Apache::edit::text_arg('Name:','name',$token);
        !           481:         $result.=&Apache::edit::text_arg('Answer:','answer',$token);
        !           482:         $result.=&Apache::edit::end_row();
        !           483:         $result.=&Apache::edit::start_spanning_row();
        !           484:     } elsif ($target eq 'modified') {
        !           485:         my $constructtag;
        !           486:         $constructtag=&Apache::edit::get_new_args($token,$parstack,
        !           487:                                                   $safeeval,'name','answer',
        !           488:                                                   );
        !           489:         $result  = &Apache::edit::rebuild_tag($token);
        !           490:     } elsif ($target eq 'web') {
        !           491:         &Apache::response::reset_params();
        !           492:     }
        !           493:     return $result;
        !           494: }
        !           495: 
        !           496: sub end_reactionhint {
        !           497:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           498:     my $result;
        !           499:     if ($target eq 'web') {
        !           500:         if (!$Apache::lonxml::default_homework_loaded) {
        !           501:             &Apache::lonxml::default_homework_load($safeeval);
        !           502:         }
        !           503:         my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
        !           504:         &Apache::response::setup_params('reactionhint',$safeeval);
        !           505:         my $partid=$Apache::inputtags::part;
        !           506:         my $id=$Apache::inputtags::hint[-1];
        !           507:         #id submissions occurred under
        !           508:         my $submitid=$Apache::inputtags::response[-1];
        !           509:         my $response = $Apache::lonhomework::history{
        !           510:                             "resource.$partid.$submitid.submission"};
        !           511:         &Apache::lonxml::debug("hintgroup is using $response<br />\n");
        !           512:         my $answer=&Apache::lonxml::get_param('answer',$parstack,
        !           513:                                                   $safeeval);
        !           514:         &Apache::lonxml::debug("current $response");
        !           515:         &Apache::lonxml::debug("current $answer");
        !           516:         if (&Apache::chemresponse::chem_standard_order($response) eq 
        !           517:             &Apache::chemresponse::chem_standard_order($answer)) {
        !           518:             push(@Apache::hint::which,$hint_name);
        !           519:         }
        !           520:         $result='';
        !           521:     } elsif ($target eq 'meta') {
        !           522:         $result=&Apache::response::meta_package_write($token->[1]);
        !           523:     } elsif ($target eq 'edit') {
        !           524:         $result.=&Apache::edit::end_row().&Apache::edit::end_table();
        !           525:     }
        !           526:     &Apache::response::end_hintresponse();
        !           527:     return $result;
        !           528: }
        !           529: 
        !           530: # organichint
        !           531: 
        !           532: sub start_organichint {
        !           533:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           534:     #do everything in end, so intervening <responseparams> work
        !           535:     &Apache::response::start_hintresponse($parstack,$safeeval);
        !           536:     my $result;
        !           537:     if ($target eq 'edit') {
        !           538:         $result.=&Apache::edit::tag_start($target,$token);
        !           539:         $result.=&Apache::edit::text_arg('Name:','name',$token);
        !           540:         $result.=&Apache::edit::text_arg('Answer:','answer',$token);
        !           541:         $result.=&Apache::edit::end_row();
        !           542:         $result.=&Apache::edit::start_spanning_row();
        !           543:     } elsif ($target eq 'modified') {
        !           544:         my $constructtag;
        !           545:         $constructtag=&Apache::edit::get_new_args($token,$parstack,
        !           546:                                                   $safeeval,'name','answer',
        !           547:                                                   );
        !           548:         $result  = &Apache::edit::rebuild_tag($token);
        !           549:     } elsif ($target eq 'web') {
        !           550:         &Apache::response::reset_params();
        !           551:     }
        !           552:     return $result;
        !           553: }
        !           554: 
        !           555: sub end_organichint {
        !           556:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           557:     my $result;
        !           558:     if ($target eq 'web') {
        !           559:         if (!$Apache::lonxml::default_homework_loaded) {
        !           560:             &Apache::lonxml::default_homework_load($safeeval);
        !           561:         }
        !           562:         my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
        !           563:         &Apache::response::setup_params('organichint',$safeeval);
        !           564:         my $partid=$Apache::inputtags::part;
        !           565:         my $id=$Apache::inputtags::hint[-1];
        !           566:         #id submissions occurred under
        !           567:         my $submitid=$Apache::inputtags::response[-1];
        !           568:         my $response = $Apache::lonhomework::history{
        !           569:                             "resource.$partid.$submitid.submission"};
        !           570:         &Apache::lonxml::debug("hintgroup is using $response<br />\n");
        !           571:         my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
        !           572:         my %previous = &Apache::response::check_for_previous($response,$partid,$id);
        !           573:         foreach my $answer (@answers) {
        !           574:             &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
        !           575:             if ($response eq $answer) {
        !           576:                push(@Apache::hint::which,$hint_name);
        !           577:                last;
        !           578:             }
        !           579:         }
        !           580:         $result='';
        !           581:     } elsif ($target eq 'meta') {
        !           582:         $result=&Apache::response::meta_package_write($token->[1]);
        !           583:     } elsif ($target eq 'edit') {
        !           584:         $result.=&Apache::edit::end_row().&Apache::edit::end_table();
        !           585:     }
        !           586:     &Apache::response::end_hintresponse();
        !           587:     return $result;
        !           588: }
        !           589: 
        !           590: 
1.2       albertel  591: # a part shows if it is on, if no specific parts are on, then default shows
1.1       albertel  592: sub start_hintpart {
1.39      albertel  593:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.15      albertel  594: 
1.39      albertel  595:     my $show ='0';
                    596:     my $result = '';
                    597:     if ($target eq 'web') {
                    598: 	my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
                    599: 	&Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
                    600: 	if ( $on eq 'default' && $#Apache::hint::which == '-1') {
                    601: 	    $show=1;
                    602: 	} else {
                    603: 	    my $which;
                    604: 	    foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
                    605: 	}
                    606: 	if (!$show) {
1.61      albertel  607: 	    &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
1.39      albertel  608: 	}
                    609:     } elsif ($target eq 'grade') {
1.61      albertel  610: 	&Apache::lonxml::get_all_text("/hintpart",$parser,$style);
1.39      albertel  611:     } elsif ($target eq 'edit') {
                    612: 	$result.= &Apache::edit::tag_start($target,$token);
                    613: 	$result.= &Apache::edit::text_arg('On:','on',$token);
                    614: 	$result.= &Apache::edit::end_row();
                    615: 	$result.= &Apache::edit::start_spanning_row();
                    616:     } elsif ($target eq 'modified') {
                    617: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    618: 						     $safeeval,'on');
                    619: 	if ($constructtag) {
                    620: 	    $result = &Apache::edit::rebuild_tag($token);
                    621: 	}
1.20      albertel  622:     }
1.39      albertel  623:     return $result;
1.1       albertel  624: }
                    625: 
                    626: sub end_hintpart {
1.29      albertel  627:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    628:     my $result;
1.62      albertel  629:     if ($target eq 'edit') {
                    630: 	$result.=&Apache::edit::end_row().&Apache::edit::end_table();
                    631:     }
1.29      albertel  632:     return $result;
                    633: }
                    634: 
                    635: sub start_optionhint {
                    636:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    637:     my $result;
1.30      albertel  638:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    639:     if ($target eq 'edit') {
                    640: 	$result.=&Apache::edit::tag_start($target,$token);
                    641: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    642: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
                    643: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
                    644:     } elsif ($target eq 'modified') {
                    645: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    646: 						     $safeeval,'name',
                    647: 						     'answer','concept');
                    648: 	if ($constructtag) {
                    649: 	    $result  = &Apache::edit::rebuild_tag($token);
                    650: 	}
                    651:     } elsif ($target eq 'meta') {
                    652: 	$result=&Apache::response::meta_package_write('numericalhint');
                    653:     }
1.29      albertel  654:     return $result;
                    655: }
                    656: 
                    657: sub end_optionhint {
                    658:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    659:     my $result;
1.30      albertel  660:     if ($target eq 'web') {
                    661: 	my ($foilmatch,$conceptmatch)=(-1,-1);
                    662: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    663: 	my $partid=$Apache::inputtags::part;
1.69      bisitz    664: 	#id submissions occurred under
1.60      albertel  665: 	my $submitid=$Apache::inputtags::response[-1];
1.30      albertel  666: 	my $part_id="$partid.$submitid";
                    667: 	my %answer;
                    668: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    669: 	if ($answer) {
                    670: 	    eval('%answer ='.$answer);
1.62      albertel  671: 	    &Apache::lonxml::debug("answwer hash");
1.30      albertel  672: 	    &Apache::lonhomework::showhash(%answer);
                    673: 	    my $response = $Apache::lonhomework::history{
                    674: 				            "resource.$part_id.submission"};
                    675: 	    my %response=&Apache::lonnet::str2hash($response);
                    676: 	    &Apache::lonhomework::showhash(%response);
                    677: 	    foreach my $foil (keys(%answer)) {
                    678: 		$foilmatch=1;
                    679: 		if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
                    680: 	    }
                    681: 	}
                    682: 	my %concept;
                    683: 	my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    684: 	if ( $constr ) { eval('%concept ='.$constr);	}
                    685: 	my $response = $Apache::lonhomework::history{
                    686: 					"resource.$part_id.submissiongrading"};
                    687: 	my %response=&Apache::lonnet::str2hash($response);
                    688: 	foreach my $concept (keys(%concept)) {
                    689: 	    my $compare;
                    690: 	    if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
                    691: 	    $conceptmatch=1;
                    692: 	    if (ref($Apache::hint::option{"$part_id.concepts"})) {
                    693: 		foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
                    694: 		    &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
                    695: 		    if ( exists($response{$foil}) && 
                    696: 			 $response{$foil} ne $compare) {$conceptmatch=0;last;}
                    697: 		}
                    698: 	    } else {
                    699: 		$conceptmatch=0;
                    700: 	    }
                    701: 	    if ($conceptmatch eq '0') { last; }
                    702: 	}
                    703: 	if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
                    704: 	     ($foilmatch    eq '-1' || $foilmatch    eq '1') ) {
                    705: 	    push(@Apache::hint::which,$name);
                    706: 	}
1.62      albertel  707:     } elsif ($target eq 'edit') {
                    708: 	$result.=&Apache::edit::end_row().&Apache::edit::end_table();
                    709:     }
1.30      albertel  710:     &Apache::response::end_hintresponse();
1.29      albertel  711:     return $result;
                    712: }
                    713: 
                    714: sub start_radiobuttonhint {
                    715:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    716:     my $result;
                    717:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    718:     if ($target eq 'edit') {
                    719: 	$result.=&Apache::edit::tag_start($target,$token);
                    720: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    721: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                    722:     } elsif ($target eq 'modified') {
                    723: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    724: 						     $safeeval,'name',
                    725: 						     'answer');
                    726: 	if ($constructtag) {
                    727: 	    $result  = &Apache::edit::rebuild_tag($token);
                    728: 	}
                    729:     } elsif ($target eq 'meta') {
                    730: 	$result=&Apache::response::meta_package_write('numericalhint');
                    731:     }
                    732:     return $result;
1.1       albertel  733: }
                    734: 
1.31      albertel  735: sub end_radiobuttonhint {
1.29      albertel  736:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    737:     my $result;
                    738:     if ($target eq 'web') {
                    739: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    740: 	my @answer;
                    741: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    742: 	eval('@answer ='.$answer);
                    743: 	my $partid=$Apache::inputtags::part;
1.69      bisitz    744: 	#id submissions occurred under
1.60      albertel  745: 	my $submitid=$Apache::inputtags::response[-1];
1.29      albertel  746: 	my $part_id="$partid.$submitid";
                    747: 	my $response = $Apache::lonhomework::history{
                    748: 			    "resource.$part_id.submission"};
                    749: 	($response)=&Apache::lonnet::str2hash($response);
1.42      albertel  750: 	&Apache::lonxml::debug("response is $response");
                    751: 	
                    752: 	if ($answer[0] eq 'foil') {
                    753: 	    shift(@answer);
                    754: 	    foreach my $answer (@answer) {
                    755: 		if ($response eq $answer) {
                    756: 		    push (@Apache::hint::which,$name);
                    757: 		    last;
                    758: 		}
                    759: 	    }
1.29      albertel  760: 	} elsif ($answer[0] eq 'concept') {
1.42      albertel  761: 	    shift(@answer);
                    762: 	    foreach my $answer (@answer) {
                    763: 		if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
                    764: 		    my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
                    765: 		    if (grep(/^\Q$response\E$/,@names)) {
                    766: 			push(@Apache::hint::which,$name);
                    767: 			last;
                    768: 		    }
1.29      albertel  769: 		}
                    770: 	    }
                    771: 	}
1.62      albertel  772:     } elsif ($target eq 'edit') {
                    773: 	$result.=&Apache::edit::end_row().&Apache::edit::end_table();
                    774:     }
1.29      albertel  775:     &Apache::response::end_hintresponse();
                    776:     return $result;
                    777: }
1.1       albertel  778: 1;
                    779: __END__
1.74      jms       780: 
                    781: 
                    782: =head1 NAME
                    783: 
                    784: Apache::hinttags
                    785: 
                    786: =head1 SYNOPSIS
                    787: 
                    788: This handler coordinates the delivery of hints to students working on LON-CAPA problems and assignments.
                    789: 
                    790: This is part of the LearningOnline Network with CAPA project
                    791: described at http://www.lon-capa.org.
                    792: 
                    793: =head1 SUBROUTINES
                    794: 
                    795: =over
                    796: 
                    797: =item start_hintgroup()
                    798: 
                    799: =item end_hintgroup()
                    800: 
                    801: =item start_numericalhint()
                    802: 
                    803: =item end_numericalhint()
                    804: 
                    805: =item start_formulahint()
                    806: 
                    807: =item end_formulahint()
                    808: 
                    809: =item start_mathhint()
                    810: 
                    811: =item end_mathhint()
                    812: 
                    813: =item start_customhint()
                    814: 
                    815: =item end_customhint()
                    816: 
                    817: =item start_stringhint()
                    818: 
                    819: =item end_stringhint()
                    820: 
                    821: =item start_hintpart()
                    822: 
                    823: =item end_hintpart()
                    824: 
                    825: =item start_optionhint()
                    826: 
                    827: =item end_optionhint()
                    828: 
                    829: =item start_radiobuttonhint()
                    830: 
                    831: =item end_radiobuttonhint()
                    832: 
                    833: =back
                    834: 
1.75      www       835: =cut

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