Return to rankresponse.pm CVS log

Up to [LON-CAPA] / loncom / homework

 Corrections are done: 1. Number of possibilities exactly corresponds to the screen (web) one for LaTeX output.
2. The enumaretion is corrected for the exam mode - numbers appear on the same lines as bubbles themselfs.

    1: # The LearningOnline Network with CAPA
    2: # rank style response
    3: #
    4: # $Id: rankresponse.pm,v 1.8 2003/03/25 22:15:04 sakharuk Exp $
    5: # Copyright Michigan State University Board of Trustees
    6: #
    7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    8: #
    9: # LON-CAPA is free software; you can redistribute it and/or modify
   10: # it under the terms of the GNU General Public License as published by
   11: # the Free Software Foundation; either version 2 of the License, or
   12: # (at your option) any later version.
   13: #
   14: # LON-CAPA is distributed in the hope that it will be useful,
   15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17: # GNU General Public License for more details.
   18: #
   19: # You should have received a copy of the GNU General Public License
   20: # along with LON-CAPA; if not, write to the Free Software
   21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   22: #
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: # 2/21 Guy
   28: 
   29: package Apache::rankresponse;
   30: use strict;
   31: use HTML::Entities();
   32: use Apache::optionresponse;
   33: 
   34: BEGIN {
   35:     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
   36: }
   37: 
   38: sub start_rankresponse {
   39:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   40:     my $result;
   41:     #when in a rank response use these
   42:     &Apache::lonxml::register('Apache::rankresponse',
   43: 			      ('foilgroup','foil','conceptgroup'));
   44:     push (@Apache::lonxml::namespace,'rankresponse');
   45:     my $id = &Apache::response::start_response($parstack,$safeeval);
   46:     %Apache::hint::rank=();
   47:     if ($target eq 'meta') {
   48: 	$result=&Apache::response::meta_package_write('rankresponse');
   49:     } elsif ($target eq 'edit' ) {
   50: 	$result.=&Apache::edit::start_table($token).
   51: 	    '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
   52: 	    &Apache::edit::deletelist($target,$token)
   53: 	    ."</td><td>&nbsp".&Apache::edit::end_row()
   54: 	    .&Apache::edit::start_spanning_row();
   55: 	
   56: 	$result.=
   57: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
   58: 	    &Apache::edit::select_arg('Randomize Foil Order','randomize',
   59: 				      ['yes','no'],$token).
   60: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
   61:     } elsif ($target eq 'modified') {
   62: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
   63: 						     $safeeval,'max',
   64: 						     'randomize');
   65: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   66:     }
   67:     return $result;
   68: }
   69: 
   70: sub end_rankresponse {
   71:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   72:     my $result;
   73:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
   74:     &Apache::response::end_response;
   75:     pop @Apache::lonxml::namespace;
   76:     &Apache::lonxml::deregister('Apache::rankresponse',
   77: 				('foilgroup','foil','conceptgroup'));
   78:     return $result;
   79: }
   80: 
   81: %Apache::response::foilgroup=();
   82: sub start_foilgroup {
   83:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   84:     my $result;
   85:     %Apache::response::foilgroup=();
   86:     $Apache::rankresponse::conceptgroup=0;
   87:     &Apache::response::setrandomnumber();
   88:     return $result;
   89: }
   90: 
   91: sub end_foilgroup {
   92:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   93:     my $result;
   94:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
   95: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
   96: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
   97: 						   $safeeval,'-2');
   98: 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
   99: 	if (!defined($tol)) { $tol=0; }
  100: 	if ($target eq 'web' || $target eq 'tex') {
  101: 	    $result=&displayfoils($target,$max,$randomize,$tol);
  102: 	} elsif ($target eq 'answer' ) {
  103: 	    $result=&displayanswers($max,$randomize,$tol);
  104: 	} elsif ( $target eq 'grade') {
  105: 	    &grade_response($max,$randomize,$tol);
  106: 	}
  107:     }
  108:     return $result;
  109: }
  110: 
  111: sub get_correct_order {
  112:     my ($tol,@foils) =@_;
  113:     my @correctorder;
  114:     my @value_names;
  115:     foreach my $name (@foils) {
  116: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
  117: 	push(@value_names,\@pair);
  118:     }
  119:     @value_names =
  120: 	sort {
  121: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] cmp $b->[0]);}
  122: 	    return 0;
  123: 	} @value_names;
  124:     my @value_names_tmp=@value_names;
  125:     my $firstpair=shift(@value_names_tmp);
  126:     my $order=1;
  127:     my %order;
  128:     my $count=1;
  129:     my $lastvalue=$firstpair->[0];
  130:     $order{$firstpair->[1]}=$order;
  131:     foreach my $pair (@value_names_tmp) {
  132: 	$count++;
  133: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
  134: 	    $order=$count;
  135: 	}
  136: 	$order{$pair->[1]}=$order;
  137: 	$lastvalue=$pair->[0];
  138:     }
  139:     foreach my $name (@foils) {
  140: 	push(@correctorder,$order{$name});
  141:     }
  142:     &Apache::lonhomework::showhash('b' => \@value_names);
  143:     &Apache::lonhomework::showhash('b' => \@correctorder);
  144:     return @correctorder;
  145: }
  146: 
  147: sub displayanswers {
  148:     my ($max,$randomize,$tol,@opt)=@_;
  149:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
  150:     my @names = @{ $Apache::response::foilgroup{'names'} };
  151:     my @whichfoils = &whichfoils($max,$randomize);
  152:     my $result=&Apache::response::answer_header('rankresponse');
  153:     my @correctorder=&get_correct_order($tol,@whichfoils);
  154:     foreach my $order (@correctorder) {
  155: 	$result.=&Apache::response::answer_part('rankresponse',$order);
  156:     }
  157:     $result.=&Apache::response::answer_footer('rankresponse');
  158:     return $result;
  159: }
  160: 
  161: sub check_response_order {
  162:     my (%responsehash)=@_;
  163:     my @order=sort(values(%responsehash));
  164:     my $lastvalue=0;
  165:     my $expected=1;
  166:     my $malformed=0;
  167:     foreach my $current (@order) {
  168: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
  169: 	if (!($current == $lastvalue || $current == $expected)) {
  170: 	    $malformed=1;
  171: 	}
  172: 	$expected++;
  173: 	$lastvalue=$current;
  174:     }
  175:     return $malformed;
  176: }
  177: 
  178: sub grade_response {
  179:     my ($max,$randomize,$tol)=@_;
  180:     my (@whichfoils)=&whichfoils($max,$randomize);
  181:     if (!defined($ENV{'form.submitted'})) { return; }
  182:     my %responsehash;
  183:     my %grade;
  184:     my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
  185:     my @correctorder=&get_correct_order($tol,@whichfoils);
  186:     foreach my $name (@whichfoils) {
  187: 	my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
  188: 	$responsehash{$name}=$response;
  189: 	my $value=shift(@correctorder);
  190: 	if ( $response =~ /[^\s]/) {
  191: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
  192: 	    if ($value eq $response) {
  193: 		$grade{$name}='1'; $right++;
  194: 	    } else {
  195: 		$grade{$name}='0'; $wrong++;
  196: 	    }
  197: 	} else {
  198: 	    $ignored++;
  199: 	}
  200: 	$temp++;
  201:     }
  202:     my $malformed=&check_response_order(%responsehash);
  203:     my $part=$Apache::inputtags::part;
  204:     my $id = $Apache::inputtags::response['-1'];
  205:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
  206:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
  207:     my %previous=&Apache::response::check_for_previous($responsestr,
  208: 						       $part,$id);
  209:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
  210:     my $ad;
  211:     if ($malformed) {
  212: 	$ad='MISORDERED_RANK';
  213:     } elsif ($wrong==0 && $ignored==0) {
  214: 	$ad='EXACT_ANS';
  215:     } elsif ($wrong==0 && $right==0) {
  216: 	#nothing submitted
  217:     } else {
  218: 	if ($ignored==0) {
  219: 	    $ad='INCORRECT';
  220: 	} else {
  221: 	    $ad='MISSING_ANSWER';
  222: 	}
  223:     }
  224:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
  225: 	$responsestr;
  226:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
  227:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
  228:     &Apache::response::handle_previous(\%previous,$ad);
  229: }
  230: 
  231: sub displayfoils {
  232:     my ($target,$max,$randomize,$tol)=@_;
  233:     my $result;
  234:     my @alphabet=('A'..'Z');
  235:     my (@whichfoils)=&whichfoils($max,$randomize);
  236:     my $part=$Apache::inputtags::part;
  237:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
  238:     my $status=$Apache::inputtags::status[-1];
  239:     my @whichopt=(1..($#whichfoils+1));
  240:     my @correctorder=&get_correct_order($tol,@whichfoils);
  241:     if (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) {
  242: 	foreach my $name (@whichfoils) {
  243: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
  244: 	    my $value=shift(@correctorder);
  245: 	    $result.='<br />'.$value.':'.$text;
  246: 	}
  247:     } else {
  248: 	my $i = 0;
  249: 	my $temp=0;
  250: 	my $id=$Apache::inputtags::response[-1];
  251: 	my $part=$Apache::inputtags::part;
  252: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
  253: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
  254: 	my @alp = splice @alphabet, 0, $#whichopt + 1;
  255: 	foreach my $name (@whichfoils) {
  256: 	    my $lastopt=$lastresponse{$name};
  257: 	    my $optionlist='';
  258: 	    if ($target ne 'tex') {$optionlist="<option></option>\n";}
  259: 	    my $option;
  260: 	    foreach $option (@whichopt) {
  261: 		if ($option eq $lastopt) {
  262: 		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
  263: 		} else {
  264: 		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
  265: 		}
  266: 	    }
  267: 	    if ($target ne 'tex') {
  268: 		$optionlist='<select name="HWVAL_'.
  269: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
  270: 		        $optionlist."</select>\n";
  271: 	    } else {
  272: 		$optionlist=' '.$temp.' '.$optionlist.' ';
  273: 	    }
  274: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
  275: 	    if ($target ne 'tex') {
  276: 		$result.='<br />'.$optionlist.$text."\n";
  277: 		if ($Apache::lonhomework::type eq 'exam') {
  278: 		    $result.=&Apache::optionresponse::webbubbles(\@alp,\@whichopt);
  279: 		}
  280: 	    } else {
  281: 		if ($Apache::lonhomework::type eq 'exam') {
  282: 		    $result.='\vskip 0 mm   '.$text."\n";
  283: 		    $result.='\vskip -1 mm\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@alp,\@whichopt).'}\end{enumerate} \vskip -5 mm \strut ';
  284: 		} else {
  285: 		    $result.=' \\\\ \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
  286: 		}
  287: 	    }
  288: 	    $temp++;
  289: 	}
  290:     }
  291:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
  292:     return $result;
  293: }
  294: 
  295: sub getfoilcounts {
  296:     my ($max)=@_;
  297:     # +1 since instructors will count from 1
  298:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
  299:     if (&Apache::response::showallfoils()) { $max=$count; }
  300:     if ($count>$max) { $count=$max } 
  301:     &Apache::lonxml::debug("Count is $count from $max");
  302:     return $count;
  303: }
  304: 
  305: sub whichfoils {
  306:     my ($max,$randomize)=@_;
  307:     $max = &getfoilcounts($max);
  308:  #   &Apache::lonxml::debug("man $max randomize $randomize");
  309:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
  310:     my @names = @{ $Apache::response::foilgroup{'names'} };
  311:     my @whichopt =();
  312:     my (%top,@toplist,%bottom,@bottomlist);
  313:     if (!(&Apache::response::showallfoils() || ($randomize eq 'no'))) {
  314: 	my $current=0;
  315: 	foreach my $name (@names) {
  316: 	    $current++;
  317: 	    if ($Apache::response::foilgroup{"$name.location"} eq 'top') {
  318: 		$top{$name}=$current;
  319: 	    } elsif ($Apache::response::foilgroup{"$name.location"} eq
  320: 		     'bottom') {
  321: 		$bottom{$name}=$current;
  322: 	    }
  323: 	}
  324:     }
  325:     while ((($#whichopt+1) < $max) && ($#names > -1)) {
  326: #	&Apache::lonxml::debug("Have $#whichopt max is $max");
  327: 	my $aopt;
  328: 	if (&Apache::response::showallfoils() || ($randomize eq 'no')) {
  329: 	    $aopt=0;
  330: 	} else {
  331: 	    $aopt=int(&Math::Random::random_uniform() * ($#names+1));
  332: 	}
  333: #	&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
  334: 	$aopt=splice(@names,$aopt,1);
  335: #	&Apache::lonxml::debug("Picked $aopt");
  336: 	if ($top{$aopt}) {
  337: 	    $toplist[$top{$aopt}]=$aopt;
  338: 	} elsif ($bottom{$aopt}) {
  339: 	    $bottomlist[$bottom{$aopt}]=$aopt;
  340: 	} else {
  341: 	    push (@whichopt,$aopt);
  342: 	}
  343:     }
  344: #    &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
  345:     for (my $i=0;$i<=$#toplist;$i++) {
  346: 	if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
  347:     }
  348:     for (my $i=0;$i<=$#bottomlist;$i++) {
  349: 	if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
  350:     }
  351:     &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
  352:     return @whichopt;
  353: }
  354: 
  355: sub start_conceptgroup {
  356:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  357:     $Apache::rankresponse::conceptgroup=1;
  358:     %Apache::response::conceptgroup=();
  359:     my $result;
  360:     if ($target eq 'edit') {
  361: 	$result.=&Apache::edit::tag_start($target,$token,
  362: 					  "Concept Grouped Foils");
  363: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
  364: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
  365:     }
  366:     if ($target eq 'modified') {
  367: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
  368: 						     $safeeval,'concept');
  369: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  370:     }
  371:     return $result;
  372: }
  373: 
  374: sub end_conceptgroup {
  375:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  376:     $Apache::rankresponse::conceptgroup=0;
  377:     my $result='';
  378:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
  379: 	#if not there aren't any foils to display and thus no question
  380: 	if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
  381: 	    my @names = @{ $Apache::response::conceptgroup{'names'} };
  382: 	    my $pick=int(&Math::Random::random_uniform() * ($#names+1));
  383: 	    my $name=$names[$pick];
  384: 	    push @{ $Apache::response::foilgroup{'names'} }, $name;
  385: 	    $Apache::response::foilgroup{"$name.value"} =
  386: 		$Apache::response::conceptgroup{"$name.value"};
  387: 	    $Apache::response::foilgroup{"$name.text"} =
  388: 		$Apache::response::conceptgroup{"$name.text"};
  389: 	    $Apache::response::foilgroup{"$name.location"} =
  390: 		$Apache::response::conceptgroup{"$name.location"};
  391: 	    my $concept = &Apache::lonxml::get_param('concept',$parstack,
  392: 						     $safeeval);
  393: 	    $Apache::response::foilgroup{"$name.concept"} = $concept;
  394: 	    &Apache::lonxml::debug("Selecting $name in $concept");
  395: 	    if ($target eq 'web' || $target eq 'tex') {
  396: 		my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
  397: 		push(@{ $Apache::hint::rank{"$part_id.concepts"} },
  398: 		     $concept);
  399: 		$Apache::hint::rank{"$part_id.concept.$concept"}=
  400: 		    $Apache::response::conceptgroup{'names'};
  401: 	    }
  402: 	}
  403:     } elsif ($target eq 'edit') {
  404: 	$result=&Apache::edit::end_table();
  405:     }
  406:     return $result;
  407: }
  408: 
  409: sub insert_conceptgroup {
  410:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
  411:     return $result;
  412: }
  413: 
  414: sub start_foil {
  415:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  416:     my $result='';
  417:     if ($target eq 'web' || $target eq 'tex') {
  418: 	&Apache::lonxml::startredirection;
  419:     } elsif ($target eq 'edit') {
  420: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
  421: 	my $level='-2';
  422: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
  423: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
  424: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
  425: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
  426: 						 $safeeval,'-3');
  427: 	if ($randomize ne 'no') {
  428: 	    $result.=&Apache::edit::select_arg('Location:','location',
  429: 					     ['random','top','bottom'],$token);
  430: 	}
  431: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
  432:     } elsif ($target eq 'modified') {
  433: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
  434: 						     $safeeval,'value',
  435: 						     'name','location');
  436: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  437:     }
  438:     return $result;
  439: }
  440: 
  441: sub end_foil {
  442:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  443:     my $text ='';
  444:     my $result = '';
  445:     if ($target eq 'web' || $target eq 'tex') {
  446: 	$text=&Apache::lonxml::endredirection;
  447:     }
  448:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
  449: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
  450: 	if ($value ne 'unused') {
  451: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
  452: 	    my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
  453: 	    &Apache::lonxml::debug("Got a name of :$name:");
  454: 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
  455: 	    &Apache::lonxml::debug("Using a name of :$name:");
  456: 	    if ( $Apache::rankresponse::conceptgroup
  457: 		 && !&Apache::response::showallfoils() ) {
  458: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
  459: 		$Apache::response::conceptgroup{"$name.value"} = $value;
  460: 		$Apache::response::conceptgroup{"$name.text"} = $text;
  461: 		$Apache::response::conceptgroup{"$name.location"} = $location;
  462: 	    } else {
  463: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
  464: 		$Apache::response::foilgroup{"$name.value"} = $value;
  465: 		$Apache::response::foilgroup{"$name.text"} = $text;
  466: 		$Apache::response::foilgroup{"$name.location"} = $location;
  467: 	    }
  468: 	}
  469:     }
  470:     if ($target eq 'edit') {
  471: 	$result.= &Apache::edit::tag_end($target,$token,'');
  472:     }
  473:     return $result;
  474: }
  475: 
  476: sub insert_foil {
  477:     return '
  478: <foil name="" value="unused">
  479: <startouttext />
  480: <endouttext />
  481: </foil>';
  482: }
  483: 1;
  484: __END__