Annotation of loncom/homework/hint.pm, revision 1.40

1.21      albertel    1: # The LearningOnline Network with CAPA 
                      2: # implements the tags that control the hints
                      3: #
1.40    ! albertel    4: # $Id: hint.pm,v 1.39 2003/04/08 02:21:13 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 {
1.39      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 {
1.39      albertel   42:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     43:     my $skiptoend='0';
                     44:     my $result;
                     45: 
                     46:     if ($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:");
1.40    ! albertel   53: 	if ( $numtries < $hinttries ) {
1.39      albertel   54: 	    &Apache::lonxml::get_all_text("/hintgroup",$parser);
                     55: 	}
1.40    ! albertel   56: 	&Apache::lonxml::startredirection;
1.39      albertel   57:     } elsif ($target eq 'tex') {
                     58: 	$result .= '\keephidden{';
1.20      albertel   59:     }
1.39      albertel   60:     @Apache::hint::which=();
                     61:     return $result;
1.1       albertel   62: }
                     63: 
                     64: sub end_hintgroup {
1.39      albertel   65:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     66:     my $result;
1.20      albertel   67: 
1.39      albertel   68:     if ($target eq 'web') {
                     69: 	my $id=$Apache::inputtags::part;
                     70: 	my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
                     71: 	if ( $numtries eq '') { $numtries = 0; }
                     72: 	my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
                     73: 	if ( $hinttries eq '') { $hinttries = 1; }
                     74: 	&Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
1.40    ! albertel   75: 	my $hinttext=&Apache::lonxml::endredirection;
        !            76: 	if ($Apache::lonhomework::type ne 'exam' &&
        !            77: 	    $numtries >= $hinttries && $hinttext !~/^\s*$/) {
        !            78: 	    $result='<table bgcolor="#dddddd"><tr><td>'.
        !            79: 		$hinttext.'</td></tr></table>';
1.38      albertel   80: 	}
1.39      albertel   81:     } elsif ($target eq 'edit') {
                     82: 	$result.=&Apache::edit::end_table();
                     83:     } elsif ($target eq 'tex') {
                     84: 	$result .= '}';
1.19      albertel   85:     }
1.39      albertel   86:     @Apache::hint::which=();
                     87:     return $result;
1.3       albertel   88: }
                     89: 
                     90: sub start_numericalhint {
1.39      albertel   91:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     92:     #do everything in end, so intervening <responseparams> work
                     93:     &Apache::response::start_hintresponse($parstack,$safeeval);
                     94:     my $result;
                     95:     if ($target eq 'edit') {
                     96: 	$result.=&Apache::edit::tag_start($target,$token);
                     97: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                     98: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                     99: 	if ($token->[1] eq 'numericalhint') {
                    100: 	    $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
                    101: 		&Apache::loncommon::help_open_topic('Physical_Units');
                    102: 	    $result.=&Apache::edit::text_arg('Format:','format',$token,4).
                    103: 		&Apache::loncommon::help_open_topic('Numerical_Response_Format');
                    104: 	} elsif ($token->[1] eq 'stringhint') {
                    105: 	    $result.=&Apache::edit::select_arg('Type:','type',['cs','ci','mc'],$token);
                    106: 	} elsif ($token->[1] eq 'formulahint') {
                    107: 	    $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
                    108: 	}
                    109: 	$result.=&Apache::edit::end_row();
                    110: 	$result.=&Apache::edit::start_spanning_row();
                    111:     } elsif ($target eq 'modified') {
                    112: 	my $constructtag;
                    113: 	if ($token->[1] eq 'numericalhint') {
                    114: 	    $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    115: 						     $safeeval,'name',
                    116: 						     'answer','unit','format');
                    117: 	} elsif ($token->[1] eq 'stringhint') {
                    118: 	    $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    119: 						     $safeeval,'name','answer',
                    120: 						     'type');
                    121: 	} elsif ($token->[1] eq 'formulahint') {
                    122: 	    $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    123: 						     $safeeval,'name','answer',
                    124: 						     'samples');
                    125: 	}
                    126: 	if ($constructtag) {
                    127: 	    $result  = &Apache::edit::rebuild_tag($token);
                    128: 	    $result .= &Apache::edit::handle_insert();
                    129: 	}
                    130:     } elsif ($target eq 'web') {
                    131: 	&Apache::response::reset_params();
1.28      albertel  132:     }
1.39      albertel  133:     return $result;
1.3       albertel  134: }
                    135: 
                    136: sub end_numericalhint {
1.39      albertel  137:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    138:     my $result;
                    139:     if ($target eq 'web') {
                    140: 	if (!$Apache::lonxml::default_homework_loaded) {
                    141: 	    &Apache::lonxml::default_homework_load($safeeval);
                    142: 	}
                    143: 	$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
                    144: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    145: 	&Apache::response::setup_params('numericalhint');
                    146: 	my $partid=$Apache::inputtags::part;
                    147: 	my $id=$Apache::inputtags::response['-1'];
                    148: 	#id submissions occured under
                    149: 	my $submitid=$Apache::inputtags::response['-2'];
                    150: 	my $response = $Apache::lonhomework::history{
1.18      albertel  151: 			    "resource.$partid.$submitid.submission"};
1.39      albertel  152: 	&Apache::lonxml::debug("hintgroup is using $response<br />\n");
                    153: 	#build safe space expression
                    154: 	my $expression="&caparesponse_check_list('".$response."','".
                    155: 	    $$parstack[$#$parstack];
                    156: 	#need to get all possible parms
                    157: 	foreach my $key (keys(%Apache::inputtags::params)) {
                    158: 	    $expression.= ';my $'. #'
                    159: 		$key.'="'.$Apache::inputtags::params{$key}.'"';
                    160: 	}
                    161: 	$expression.="');";
                    162: 	$result = &Apache::run::run($expression,$safeeval);
                    163: 	&Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
                    164: 	my ($awards) = split /:/ , $result;
                    165: 	my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
                    166: 	if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
                    167: 	$result='';
                    168:     } elsif ($target eq 'meta') {
                    169: 	$result=&Apache::response::meta_package_write($token->[1]);
                    170:     } elsif ($target eq 'edit') {
                    171: 	$result.='</td></tr>'.&Apache::edit::end_table;
1.18      albertel  172:     }
1.39      albertel  173:     &Apache::response::end_hintresponse();
                    174:     return $result;
1.28      albertel  175: }
                    176: 
                    177: sub start_stringhint {
1.35      albertel  178:     return &start_numericalhint(@_);
1.28      albertel  179: }
                    180: 
                    181: sub end_stringhint {
1.35      albertel  182:     return &end_numericalhint(@_);
1.28      albertel  183: }
                    184: 
                    185: sub start_formulahint {
1.35      albertel  186:     return &start_numericalhint(@_);
1.28      albertel  187: }
                    188: 
                    189: sub end_formulahint {
1.35      albertel  190:     return end_numericalhint(@_);
1.1       albertel  191: }
                    192: 
1.2       albertel  193: # a part shows if it is on, if no specific parts are on, then default shows
1.1       albertel  194: sub start_hintpart {
1.39      albertel  195:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.15      albertel  196: 
1.39      albertel  197:     my $show ='0';
                    198:     my $result = '';
                    199:     if ($target eq 'web') {
                    200: 	my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
                    201: 	&Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
                    202: 	if ( $on eq 'default' && $#Apache::hint::which == '-1') {
                    203: 	    $show=1;
                    204: 	} else {
                    205: 	    my $which;
                    206: 	    foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
                    207: 	}
                    208: 	if (!$show) {
                    209: 	    &Apache::lonxml::get_all_text("/hintpart",$parser);
                    210: 	}
                    211:     } elsif ($target eq 'grade') {
                    212: 	&Apache::lonxml::get_all_text("/hintpart",$parser);
                    213:     } elsif ($target eq 'edit') {
                    214: 	$result.= &Apache::edit::tag_start($target,$token);
                    215: 	$result.= &Apache::edit::text_arg('On:','on',$token);
                    216: 	$result.= &Apache::edit::end_row();
                    217: 	$result.= &Apache::edit::start_spanning_row();
                    218:     } elsif ($target eq 'modified') {
                    219: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    220: 						     $safeeval,'on');
                    221: 	if ($constructtag) {
                    222: 	    $result = &Apache::edit::rebuild_tag($token);
                    223: 	    $result.=&Apache::edit::handle_insert();
                    224: 	}
1.20      albertel  225:     }
1.39      albertel  226:     return $result;
1.1       albertel  227: }
                    228: 
                    229: sub end_hintpart {
1.29      albertel  230:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    231:     my $result;
                    232:     if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
                    233:     return $result;
                    234: }
                    235: 
                    236: sub start_optionhint {
                    237:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    238:     my $result;
1.30      albertel  239:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    240:     if ($target eq 'edit') {
                    241: 	$result.=&Apache::edit::tag_start($target,$token);
                    242: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    243: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
                    244: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
                    245:     } elsif ($target eq 'modified') {
                    246: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    247: 						     $safeeval,'name',
                    248: 						     'answer','concept');
                    249: 	if ($constructtag) {
                    250: 	    $result  = &Apache::edit::rebuild_tag($token);
                    251: 	    $result .= &Apache::edit::handle_insert();
                    252: 	}
                    253:     } elsif ($target eq 'meta') {
                    254: 	$result=&Apache::response::meta_package_write('numericalhint');
                    255:     }
1.29      albertel  256:     return $result;
                    257: }
                    258: 
                    259: sub end_optionhint {
                    260:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    261:     my $result;
1.30      albertel  262:     if ($target eq 'web') {
                    263: 	my ($foilmatch,$conceptmatch)=(-1,-1);
                    264: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    265: 	my $partid=$Apache::inputtags::part;
                    266: 	#id submissions occured under
                    267: 	my $submitid=$Apache::inputtags::response['-2'];
                    268: 	my $part_id="$partid.$submitid";
                    269: 	my %answer;
                    270: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    271: 	if ($answer) {
                    272: 	    eval('%answer ='.$answer);
                    273: 	    &Apache::lonhomework::showhash(%answer);
                    274: 	    my $response = $Apache::lonhomework::history{
                    275: 				            "resource.$part_id.submission"};
                    276: 	    my %response=&Apache::lonnet::str2hash($response);
                    277: 	    &Apache::lonhomework::showhash(%response);
                    278: 	    foreach my $foil (keys(%answer)) {
                    279: 		$foilmatch=1;
                    280: 		if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
                    281: 	    }
                    282: 	}
                    283: 	my %concept;
                    284: 	my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    285: 	if ( $constr ) { eval('%concept ='.$constr);	}
                    286: 	my $response = $Apache::lonhomework::history{
                    287: 					"resource.$part_id.submissiongrading"};
                    288: 	my %response=&Apache::lonnet::str2hash($response);
                    289: 	foreach my $concept (keys(%concept)) {
                    290: 	    my $compare;
                    291: 	    if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
                    292: 	    $conceptmatch=1;
                    293: 	    if (ref($Apache::hint::option{"$part_id.concepts"})) {
                    294: 		foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
                    295: 		    &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
                    296: 		    if ( exists($response{$foil}) && 
                    297: 			 $response{$foil} ne $compare) {$conceptmatch=0;last;}
                    298: 		}
                    299: 	    } else {
                    300: 		$conceptmatch=0;
                    301: 	    }
                    302: 	    if ($conceptmatch eq '0') { last; }
                    303: 	}
                    304: 	if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
                    305: 	     ($foilmatch    eq '-1' || $foilmatch    eq '1') ) {
                    306: 	    push(@Apache::hint::which,$name);
                    307: 	}
                    308:     } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.29      albertel  309:     if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
1.30      albertel  310:     &Apache::response::end_hintresponse();
1.29      albertel  311:     return $result;
                    312: }
                    313: 
                    314: sub start_radiobuttonhint {
                    315:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    316:     my $result;
                    317:     &Apache::response::start_hintresponse($parstack,$safeeval);
                    318:     if ($target eq 'edit') {
                    319: 	$result.=&Apache::edit::tag_start($target,$token);
                    320: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    321: 	$result.=&Apache::edit::text_arg('Answer:','answer',$token);
                    322:     } elsif ($target eq 'modified') {
                    323: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    324: 						     $safeeval,'name',
                    325: 						     'answer');
                    326: 	if ($constructtag) {
                    327: 	    $result  = &Apache::edit::rebuild_tag($token);
                    328: 	    $result .= &Apache::edit::handle_insert();
                    329: 	}
                    330:     } elsif ($target eq 'meta') {
                    331: 	$result=&Apache::response::meta_package_write('numericalhint');
                    332:     }
                    333:     return $result;
1.1       albertel  334: }
                    335: 
1.31      albertel  336: sub end_radiobuttonhint {
1.29      albertel  337:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    338:     my $result;
                    339:     if ($target eq 'web') {
                    340: 	my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    341: 	my @answer;
                    342: 	my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
                    343: 	eval('@answer ='.$answer);
                    344: 	my $partid=$Apache::inputtags::part;
                    345: 	#id submissions occured under
                    346: 	my $submitid=$Apache::inputtags::response['-2'];
                    347: 	my $part_id="$partid.$submitid";
                    348: 	my $response = $Apache::lonhomework::history{
                    349: 			    "resource.$part_id.submission"};
                    350: 	($response)=&Apache::lonnet::str2hash($response);
                    351: 	if ($answer[0] eq 'foil' && $response eq $answer[1]) {
                    352: 	    push (@Apache::hint::which,$name);
                    353: 	} elsif ($answer[0] eq 'concept') {
                    354: 	    if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer[1]})) {
                    355: 		my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer[1]} };
                    356: 		if (grep(/^\Q$response\E$/,@names)) {
                    357: 		    push(@Apache::hint::which,$name);
                    358: 		}
                    359: 	    }
                    360: 	}
                    361:     } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
                    362:     &Apache::response::end_hintresponse();
                    363:     return $result;
                    364: }
1.1       albertel  365: 1;
                    366: __END__

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