Annotation of loncom/homework/hint.pm, revision 1.35

1.21      albertel    1: # The LearningOnline Network with CAPA 
                      2: # implements the tags that control the hints
                      3: #
1.35    ! albertel    4: # $Id: hint.pm,v 1.34 2003/02/07 22:03:21 albertel 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: 
1.1       albertel   29: package Apache::hinttags; 
                     30: 
                     31: use strict;
                     32: use Apache::lonnet;
1.6       albertel   33: use capa;
1.1       albertel   34: 
1.25      harris41   35: BEGIN {
1.29      albertel   36:   &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint','stringhint','formulahint','optionhint','radiobuttonhint'));
1.1       albertel   37: }
                     38: 
1.2       albertel   39: 
1.15      albertel   40: @Apache::hint::which=();
1.1       albertel   41: sub start_hintgroup {
1.15      albertel   42:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     43:   my $skiptoend='0';
                     44:   my $result;
1.20      albertel   45: 
1.15      albertel   46:   if ($target eq 'web') {
                     47:     my $id=$Apache::inputtags::part;
                     48:     my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
                     49:     if ( $numtries eq '') { $numtries = 0; }
                     50:     my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
                     51:     if ( $hinttries eq '') { $hinttries = 1; }
                     52:     &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
                     53:     if ( $numtries < $hinttries ) {
                     54:       $skiptoend='1';
                     55:     } else {
                     56:       if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}
1.9       albertel   57:     }
1.20      albertel   58:     if ($skiptoend) {
1.34      albertel   59:       &Apache::lonxml::get_all_text("/hintgroup",$parser);
1.20      albertel   60:     }
1.24      sakharuk   61:   } elsif ($target eq 'tex') {
1.27      sakharuk   62:     $result .= '\keephidden{'; 
1.15      albertel   63:   }
                     64:   @Apache::hint::which=();
                     65:   return $result;
1.1       albertel   66: }
                     67: 
                     68: sub end_hintgroup {
1.15      albertel   69:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     70:   my $result;
1.20      albertel   71: 
1.15      albertel   72:   if ($target eq 'web') {
                     73:     my $id=$Apache::inputtags::part;
                     74:     my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
                     75:     if ( $numtries eq '') { $numtries = 0; }
                     76:     my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
                     77:     if ( $hinttries eq '') { $hinttries = 1; }
                     78:     &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
1.19      albertel   79:     if ( $numtries >= $hinttries ) {
                     80:       $result='</td></tr></table>';
                     81:     }
1.20      albertel   82:   } elsif ($target eq 'edit') {
                     83:     $result.=&Apache::edit::end_table();
1.27      sakharuk   84:   } elsif ($target eq 'tex') {
                     85:     $result .= '}'; 
1.15      albertel   86:   }
1.19      albertel   87:   @Apache::hint::which=();
1.15      albertel   88:   return $result;
1.3       albertel   89: }
                     90: 
                     91: sub start_numericalhint {
1.16      albertel   92:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.15      albertel   93:   #do everything in end, so intervening <responseparams> work
1.16      albertel   94:   &Apache::response::start_hintresponse($parstack,$safeeval);
1.20      albertel   95:   my $result;
                     96:   if ($target eq 'edit') {
                     97:     $result.=&Apache::edit::tag_start($target,$token);
                     98:     $result.=&Apache::edit::text_arg('Name:','name',$token);
                     99:     $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1.28      albertel  100:     if ($token->[1] eq 'numericalhint') {
                    101:       $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
                    102:       $result.=&Apache::edit::text_arg('Format:','format',$token,4);
                    103:     } elsif ($token->[1] eq 'stringhint') {
                    104:       $result.=&Apache::edit::select_arg('Type:','type',['cs','ci','mc'],$token);
                    105:     } elsif ($token->[1] eq 'formulahint') {
                    106:       $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
                    107:     }
1.26      albertel  108:     $result.=&Apache::edit::end_row();
                    109:     $result.=&Apache::edit::start_spanning_row();
1.20      albertel  110:   } elsif ($target eq 'modified') {
1.28      albertel  111:     my $constructtag;
                    112:     if ($token->[1] eq 'numericalhint') {
                    113:       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    114: 						'name','answer','unit','format');
                    115:     } elsif ($token->[1] eq 'stringhint') {
                    116:       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    117: 						'name','answer','type');
                    118:     } elsif ($token->[1] eq 'formulahint') {
                    119:       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    120: 						'name','answer','samples');
                    121:     }
1.20      albertel  122:     if ($constructtag) {
                    123:       $result  = &Apache::edit::rebuild_tag($token);
                    124:       $result .= &Apache::edit::handle_insert();
                    125:     }
1.33      albertel  126:   } elsif ($target eq 'web') {
                    127:       &Apache::response::reset_params();
1.20      albertel  128:   }
                    129:   return $result;
1.3       albertel  130: }
                    131: 
                    132: sub end_numericalhint {
1.15      albertel  133:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    134:   my $result;
                    135:   if ($target eq 'web') {
1.32      albertel  136:     if (!$Apache::lonxml::default_homework_loaded) {
                    137: 	&Apache::lonxml::default_homework_load($safeeval);
                    138:     }
1.15      albertel  139:     $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
                    140:     my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.18      albertel  141:     &Apache::response::setup_params('numericalhint');
                    142:     my $partid=$Apache::inputtags::part;
                    143:     my $id=$Apache::inputtags::response['-1'];
                    144:     #id submissions occured under
                    145:     my $submitid=$Apache::inputtags::response['-2'];
                    146:     my $response = $Apache::lonhomework::history{
                    147: 			    "resource.$partid.$submitid.submission"};
1.15      albertel  148:     &Apache::lonxml::debug("hintgroup is using $response<br />\n");
1.18      albertel  149:     #build safe space expression
1.15      albertel  150:     my $expression="&caparesponse_check_list('".$response."','".
1.18      albertel  151:       $$parstack[$#$parstack];
                    152:     #need to get all possible parms
                    153:     foreach my $key (keys(%Apache::inputtags::params)) {
                    154:       $expression.= ';my $'. #'
                    155: 	$key.'="'.$Apache::inputtags::params{$key}.'"';
                    156:     }
                    157:     $expression.="');";
1.15      albertel  158:     $result = &Apache::run::run($expression,$safeeval);
                    159:     &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
                    160:     my ($awards) = split /:/ , $result;
                    161:     my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
                    162:     if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
                    163:     $result='';
1.17      albertel  164:   } elsif ($target eq 'meta') {
1.35    ! albertel  165:     $result=&Apache::response::meta_package_write($token->[1]);
1.20      albertel  166:   } elsif ($target eq 'edit') {
                    167:     $result.='</td></tr>'.&Apache::edit::end_table;
1.15      albertel  168:   }
1.16      albertel  169:   &Apache::response::end_hintresponse();
1.15      albertel  170:   return $result;
1.28      albertel  171: }
                    172: 
                    173: sub start_stringhint {
1.35    ! albertel  174:     return &start_numericalhint(@_);
1.28      albertel  175: }
                    176: 
                    177: sub end_stringhint {
1.35    ! albertel  178:     return &end_numericalhint(@_);
1.28      albertel  179: }
                    180: 
                    181: sub start_formulahint {
1.35    ! albertel  182:     return &start_numericalhint(@_);
1.28      albertel  183: }
                    184: 
                    185: sub end_formulahint {
1.35    ! albertel  186:     return end_numericalhint(@_);
1.1       albertel  187: }
                    188: 
1.2       albertel  189: # a part shows if it is on, if no specific parts are on, then default shows
1.1       albertel  190: sub start_hintpart {
1.15      albertel  191:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    192: 
                    193:   my $show ='0';
1.20      albertel  194:   my $result = '';
1.15      albertel  195:   if ($target eq 'web') {
                    196:     my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
                    197:     &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
                    198:     if ( $on eq 'default' && $#Apache::hint::which == '-1') {
                    199:       $show=1;
                    200:     } else {
                    201:       my $which;
                    202:       foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
                    203:     }
                    204:     if (!$show) {
1.34      albertel  205:       &Apache::lonxml::get_all_text("/hintpart",$parser);
1.1       albertel  206:     }
1.15      albertel  207:   } elsif ($target eq 'grade') {
1.34      albertel  208:     &Apache::lonxml::get_all_text("/hintpart",$parser);
1.20      albertel  209:   } elsif ($target eq 'edit') {
1.26      albertel  210:     $result.= &Apache::edit::tag_start($target,$token);
                    211:     $result.= &Apache::edit::text_arg('On:','on',$token);
                    212:     $result.= &Apache::edit::end_row();
                    213:     $result.= &Apache::edit::start_spanning_row();
1.20      albertel  214:   } elsif ($target eq 'modified') {
                    215:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    216: 						 'on');
                    217:     if ($constructtag) {
                    218:       $result = &Apache::edit::rebuild_tag($token);
                    219:       $result.=&Apache::edit::handle_insert();
                    220:     }
1.15      albertel  221:   }
1.20      albertel  222:   return $result;
1.1       albertel  223: }
                    224: 
                    225: sub end_hintpart {
1.29      albertel  226:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    227:     my $result;
                    228:     if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
                    229:     return $result;
                    230: }
                    231: 
                    232: sub start_optionhint {
                    233:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    234:     my $result;
1.30      albertel  235:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    236:     if ($target eq 'edit') {
                    237: 	$result.=&Apache::edit::tag_start($target,$token);
                    238: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    239: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
                    240: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
                    241:     } elsif ($target eq 'modified') {
                    242: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    243: 						     $safeeval,'name',
                    244: 						     'answer','concept');
                    245: 	if ($constructtag) {
                    246: 	    $result  = &Apache::edit::rebuild_tag($token);
                    247: 	    $result .= &Apache::edit::handle_insert();
                    248: 	}
                    249:     } elsif ($target eq 'meta') {
                    250: 	$result=&Apache::response::meta_package_write('numericalhint');
                    251:     }
1.29      albertel  252:     return $result;
                    253: }
                    254: 
                    255: sub end_optionhint {
                    256:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    257:     my $result;
1.30      albertel  258:     if ($target eq 'web') {
                    259: 	my ($foilmatch,$conceptmatch)=(-1,-1);
                    260: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    261: 	my $partid=$Apache::inputtags::part;
                    262: 	#id submissions occured under
                    263: 	my $submitid=$Apache::inputtags::response['-2'];
                    264: 	my $part_id="$partid.$submitid";
                    265: 	my %answer;
                    266: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    267: 	if ($answer) {
                    268: 	    eval('%answer ='.$answer);
                    269: 	    &Apache::lonhomework::showhash(%answer);
                    270: 	    my $response = $Apache::lonhomework::history{
                    271: 				            "resource.$part_id.submission"};
                    272: 	    my %response=&Apache::lonnet::str2hash($response);
                    273: 	    &Apache::lonhomework::showhash(%response);
                    274: 	    foreach my $foil (keys(%answer)) {
                    275: 		$foilmatch=1;
                    276: 		if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
                    277: 	    }
                    278: 	}
                    279: 	my %concept;
                    280: 	my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    281: 	if ( $constr ) { eval('%concept ='.$constr);	}
                    282: 	my $response = $Apache::lonhomework::history{
                    283: 					"resource.$part_id.submissiongrading"};
                    284: 	my %response=&Apache::lonnet::str2hash($response);
                    285: 	foreach my $concept (keys(%concept)) {
                    286: 	    my $compare;
                    287: 	    if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
                    288: 	    $conceptmatch=1;
                    289: 	    if (ref($Apache::hint::option{"$part_id.concepts"})) {
                    290: 		foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
                    291: 		    &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
                    292: 		    if ( exists($response{$foil}) && 
                    293: 			 $response{$foil} ne $compare) {$conceptmatch=0;last;}
                    294: 		}
                    295: 	    } else {
                    296: 		$conceptmatch=0;
                    297: 	    }
                    298: 	    if ($conceptmatch eq '0') { last; }
                    299: 	}
                    300: 	if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
                    301: 	     ($foilmatch    eq '-1' || $foilmatch    eq '1') ) {
                    302: 	    push(@Apache::hint::which,$name);
                    303: 	}
                    304:     } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.29      albertel  305:     if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.30      albertel  306:     &Apache::response::end_hintresponse();
1.29      albertel  307:     return $result;
                    308: }
                    309: 
                    310: sub start_radiobuttonhint {
                    311:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    312:     my $result;
                    313:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    314:     if ($target eq 'edit') {
                    315: 	$result.=&Apache::edit::tag_start($target,$token);
                    316: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    317: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                    318:     } elsif ($target eq 'modified') {
                    319: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    320: 						     $safeeval,'name',
                    321: 						     'answer');
                    322: 	if ($constructtag) {
                    323: 	    $result  = &Apache::edit::rebuild_tag($token);
                    324: 	    $result .= &Apache::edit::handle_insert();
                    325: 	}
                    326:     } elsif ($target eq 'meta') {
                    327: 	$result=&Apache::response::meta_package_write('numericalhint');
                    328:     }
                    329:     return $result;
1.1       albertel  330: }
                    331: 
1.31      albertel  332: sub end_radiobuttonhint {
1.29      albertel  333:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    334:     my $result;
                    335:     if ($target eq 'web') {
                    336: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    337: 	my @answer;
                    338: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    339: 	eval('@answer ='.$answer);
                    340: 	my $partid=$Apache::inputtags::part;
                    341: 	#id submissions occured under
                    342: 	my $submitid=$Apache::inputtags::response['-2'];
                    343: 	my $part_id="$partid.$submitid";
                    344: 	my $response = $Apache::lonhomework::history{
                    345: 			    "resource.$part_id.submission"};
                    346: 	($response)=&Apache::lonnet::str2hash($response);
                    347: 	if ($answer[0] eq 'foil' && $response eq $answer[1]) {
                    348: 	    push (@Apache::hint::which,$name);
                    349: 	} elsif ($answer[0] eq 'concept') {
                    350: 	    if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer[1]})) {
                    351: 		my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer[1]} };
                    352: 		if (grep(/^\Q$response\E$/,@names)) {
                    353: 		    push(@Apache::hint::which,$name);
                    354: 		}
                    355: 	    }
                    356: 	}
                    357:     } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
                    358:     &Apache::response::end_hintresponse();
                    359:     return $result;
                    360: }
1.1       albertel  361: 1;
                    362: __END__

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