Annotation of loncom/homework/hint.pm, revision 1.36

1.21      albertel    1: # The LearningOnline Network with CAPA 
                      2: # implements the tags that control the hints
                      3: #
1.36    ! www         4: # $Id: hint.pm,v 1.35 2003/02/13 23:48:27 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') {
1.36    ! www       101:       $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
        !           102:                          &Apache::loncommon::help_open_topic('Physical_Units');
        !           103:       $result.=&Apache::edit::text_arg('Format:','format',$token,4).
        !           104:               &Apache::loncommon::help_open_topic('Numerical_Response_Format');
1.28      albertel  105:     } elsif ($token->[1] eq 'stringhint') {
                    106:       $result.=&Apache::edit::select_arg('Type:','type',['cs','ci','mc'],$token);
                    107:     } elsif ($token->[1] eq 'formulahint') {
                    108:       $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
                    109:     }
1.26      albertel  110:     $result.=&Apache::edit::end_row();
                    111:     $result.=&Apache::edit::start_spanning_row();
1.20      albertel  112:   } elsif ($target eq 'modified') {
1.28      albertel  113:     my $constructtag;
                    114:     if ($token->[1] eq 'numericalhint') {
                    115:       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    116: 						'name','answer','unit','format');
                    117:     } elsif ($token->[1] eq 'stringhint') {
                    118:       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    119: 						'name','answer','type');
                    120:     } elsif ($token->[1] eq 'formulahint') {
                    121:       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    122: 						'name','answer','samples');
                    123:     }
1.20      albertel  124:     if ($constructtag) {
                    125:       $result  = &Apache::edit::rebuild_tag($token);
                    126:       $result .= &Apache::edit::handle_insert();
                    127:     }
1.33      albertel  128:   } elsif ($target eq 'web') {
                    129:       &Apache::response::reset_params();
1.20      albertel  130:   }
                    131:   return $result;
1.3       albertel  132: }
                    133: 
                    134: sub end_numericalhint {
1.15      albertel  135:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    136:   my $result;
                    137:   if ($target eq 'web') {
1.32      albertel  138:     if (!$Apache::lonxml::default_homework_loaded) {
                    139: 	&Apache::lonxml::default_homework_load($safeeval);
                    140:     }
1.15      albertel  141:     $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
                    142:     my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.18      albertel  143:     &Apache::response::setup_params('numericalhint');
                    144:     my $partid=$Apache::inputtags::part;
                    145:     my $id=$Apache::inputtags::response['-1'];
                    146:     #id submissions occured under
                    147:     my $submitid=$Apache::inputtags::response['-2'];
                    148:     my $response = $Apache::lonhomework::history{
                    149: 			    "resource.$partid.$submitid.submission"};
1.15      albertel  150:     &Apache::lonxml::debug("hintgroup is using $response<br />\n");
1.18      albertel  151:     #build safe space expression
1.15      albertel  152:     my $expression="&caparesponse_check_list('".$response."','".
1.18      albertel  153:       $$parstack[$#$parstack];
                    154:     #need to get all possible parms
                    155:     foreach my $key (keys(%Apache::inputtags::params)) {
                    156:       $expression.= ';my $'. #'
                    157: 	$key.'="'.$Apache::inputtags::params{$key}.'"';
                    158:     }
                    159:     $expression.="');";
1.15      albertel  160:     $result = &Apache::run::run($expression,$safeeval);
                    161:     &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
                    162:     my ($awards) = split /:/ , $result;
                    163:     my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
                    164:     if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
                    165:     $result='';
1.17      albertel  166:   } elsif ($target eq 'meta') {
1.35      albertel  167:     $result=&Apache::response::meta_package_write($token->[1]);
1.20      albertel  168:   } elsif ($target eq 'edit') {
                    169:     $result.='</td></tr>'.&Apache::edit::end_table;
1.15      albertel  170:   }
1.16      albertel  171:   &Apache::response::end_hintresponse();
1.15      albertel  172:   return $result;
1.28      albertel  173: }
                    174: 
                    175: sub start_stringhint {
1.35      albertel  176:     return &start_numericalhint(@_);
1.28      albertel  177: }
                    178: 
                    179: sub end_stringhint {
1.35      albertel  180:     return &end_numericalhint(@_);
1.28      albertel  181: }
                    182: 
                    183: sub start_formulahint {
1.35      albertel  184:     return &start_numericalhint(@_);
1.28      albertel  185: }
                    186: 
                    187: sub end_formulahint {
1.35      albertel  188:     return end_numericalhint(@_);
1.1       albertel  189: }
                    190: 
1.2       albertel  191: # a part shows if it is on, if no specific parts are on, then default shows
1.1       albertel  192: sub start_hintpart {
1.15      albertel  193:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    194: 
                    195:   my $show ='0';
1.20      albertel  196:   my $result = '';
1.15      albertel  197:   if ($target eq 'web') {
                    198:     my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
                    199:     &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
                    200:     if ( $on eq 'default' && $#Apache::hint::which == '-1') {
                    201:       $show=1;
                    202:     } else {
                    203:       my $which;
                    204:       foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
                    205:     }
                    206:     if (!$show) {
1.34      albertel  207:       &Apache::lonxml::get_all_text("/hintpart",$parser);
1.1       albertel  208:     }
1.15      albertel  209:   } elsif ($target eq 'grade') {
1.34      albertel  210:     &Apache::lonxml::get_all_text("/hintpart",$parser);
1.20      albertel  211:   } elsif ($target eq 'edit') {
1.26      albertel  212:     $result.= &Apache::edit::tag_start($target,$token);
                    213:     $result.= &Apache::edit::text_arg('On:','on',$token);
                    214:     $result.= &Apache::edit::end_row();
                    215:     $result.= &Apache::edit::start_spanning_row();
1.20      albertel  216:   } elsif ($target eq 'modified') {
                    217:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    218: 						 'on');
                    219:     if ($constructtag) {
                    220:       $result = &Apache::edit::rebuild_tag($token);
                    221:       $result.=&Apache::edit::handle_insert();
                    222:     }
1.15      albertel  223:   }
1.20      albertel  224:   return $result;
1.1       albertel  225: }
                    226: 
                    227: sub end_hintpart {
1.29      albertel  228:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    229:     my $result;
                    230:     if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
                    231:     return $result;
                    232: }
                    233: 
                    234: sub start_optionhint {
                    235:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    236:     my $result;
1.30      albertel  237:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    238:     if ($target eq 'edit') {
                    239: 	$result.=&Apache::edit::tag_start($target,$token);
                    240: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    241: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
                    242: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
                    243:     } elsif ($target eq 'modified') {
                    244: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    245: 						     $safeeval,'name',
                    246: 						     'answer','concept');
                    247: 	if ($constructtag) {
                    248: 	    $result  = &Apache::edit::rebuild_tag($token);
                    249: 	    $result .= &Apache::edit::handle_insert();
                    250: 	}
                    251:     } elsif ($target eq 'meta') {
                    252: 	$result=&Apache::response::meta_package_write('numericalhint');
                    253:     }
1.29      albertel  254:     return $result;
                    255: }
                    256: 
                    257: sub end_optionhint {
                    258:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    259:     my $result;
1.30      albertel  260:     if ($target eq 'web') {
                    261: 	my ($foilmatch,$conceptmatch)=(-1,-1);
                    262: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    263: 	my $partid=$Apache::inputtags::part;
                    264: 	#id submissions occured under
                    265: 	my $submitid=$Apache::inputtags::response['-2'];
                    266: 	my $part_id="$partid.$submitid";
                    267: 	my %answer;
                    268: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    269: 	if ($answer) {
                    270: 	    eval('%answer ='.$answer);
                    271: 	    &Apache::lonhomework::showhash(%answer);
                    272: 	    my $response = $Apache::lonhomework::history{
                    273: 				            "resource.$part_id.submission"};
                    274: 	    my %response=&Apache::lonnet::str2hash($response);
                    275: 	    &Apache::lonhomework::showhash(%response);
                    276: 	    foreach my $foil (keys(%answer)) {
                    277: 		$foilmatch=1;
                    278: 		if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
                    279: 	    }
                    280: 	}
                    281: 	my %concept;
                    282: 	my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    283: 	if ( $constr ) { eval('%concept ='.$constr);	}
                    284: 	my $response = $Apache::lonhomework::history{
                    285: 					"resource.$part_id.submissiongrading"};
                    286: 	my %response=&Apache::lonnet::str2hash($response);
                    287: 	foreach my $concept (keys(%concept)) {
                    288: 	    my $compare;
                    289: 	    if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
                    290: 	    $conceptmatch=1;
                    291: 	    if (ref($Apache::hint::option{"$part_id.concepts"})) {
                    292: 		foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
                    293: 		    &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
                    294: 		    if ( exists($response{$foil}) && 
                    295: 			 $response{$foil} ne $compare) {$conceptmatch=0;last;}
                    296: 		}
                    297: 	    } else {
                    298: 		$conceptmatch=0;
                    299: 	    }
                    300: 	    if ($conceptmatch eq '0') { last; }
                    301: 	}
                    302: 	if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
                    303: 	     ($foilmatch    eq '-1' || $foilmatch    eq '1') ) {
                    304: 	    push(@Apache::hint::which,$name);
                    305: 	}
                    306:     } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.29      albertel  307:     if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.30      albertel  308:     &Apache::response::end_hintresponse();
1.29      albertel  309:     return $result;
                    310: }
                    311: 
                    312: sub start_radiobuttonhint {
                    313:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    314:     my $result;
                    315:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    316:     if ($target eq 'edit') {
                    317: 	$result.=&Apache::edit::tag_start($target,$token);
                    318: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    319: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                    320:     } elsif ($target eq 'modified') {
                    321: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    322: 						     $safeeval,'name',
                    323: 						     'answer');
                    324: 	if ($constructtag) {
                    325: 	    $result  = &Apache::edit::rebuild_tag($token);
                    326: 	    $result .= &Apache::edit::handle_insert();
                    327: 	}
                    328:     } elsif ($target eq 'meta') {
                    329: 	$result=&Apache::response::meta_package_write('numericalhint');
                    330:     }
                    331:     return $result;
1.1       albertel  332: }
                    333: 
1.31      albertel  334: sub end_radiobuttonhint {
1.29      albertel  335:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    336:     my $result;
                    337:     if ($target eq 'web') {
                    338: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    339: 	my @answer;
                    340: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    341: 	eval('@answer ='.$answer);
                    342: 	my $partid=$Apache::inputtags::part;
                    343: 	#id submissions occured under
                    344: 	my $submitid=$Apache::inputtags::response['-2'];
                    345: 	my $part_id="$partid.$submitid";
                    346: 	my $response = $Apache::lonhomework::history{
                    347: 			    "resource.$part_id.submission"};
                    348: 	($response)=&Apache::lonnet::str2hash($response);
                    349: 	if ($answer[0] eq 'foil' && $response eq $answer[1]) {
                    350: 	    push (@Apache::hint::which,$name);
                    351: 	} elsif ($answer[0] eq 'concept') {
                    352: 	    if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer[1]})) {
                    353: 		my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer[1]} };
                    354: 		if (grep(/^\Q$response\E$/,@names)) {
                    355: 		    push(@Apache::hint::which,$name);
                    356: 		}
                    357: 	    }
                    358: 	}
                    359:     } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
                    360:     &Apache::response::end_hintresponse();
                    361:     return $result;
                    362: }
1.1       albertel  363: 1;
                    364: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>