Annotation of loncom/homework/rankresponse.pm, revision 1.65

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # rank style response
                      3: #
1.65    ! www         4: # $Id: rankresponse.pm,v 1.64 2010/12/19 00:48:50 raeburn Exp $
1.1       albertel    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: 
                     28: package Apache::rankresponse;
                     29: use strict;
                     30: use HTML::Entities();
1.30      albertel   31: use Apache::optionresponse();
                     32: use Apache::lonlocal;
1.58      onken      33: use Apache::lonxml;
                     34: use Apache::lonnet;
1.1       albertel   35: 
                     36: BEGIN {
                     37:     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
                     38: }
                     39: 
                     40: sub start_rankresponse {
                     41:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     42:     my $result;
                     43:     #when in a rank response use these
                     44:     &Apache::lonxml::register('Apache::rankresponse',
                     45: 			      ('foilgroup','foil','conceptgroup'));
                     46:     push (@Apache::lonxml::namespace,'rankresponse');
                     47:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     48:     %Apache::hint::rank=();
1.30      albertel   49:     undef(%Apache::response::foilnames);
1.1       albertel   50:     if ($target eq 'meta') {
                     51: 	$result=&Apache::response::meta_package_write('rankresponse');
                     52:     } elsif ($target eq 'edit' ) {
1.59      bisitz     53: 	$result.=&Apache::edit::start_table($token)
                     54:            .'<tr><td>'.&Apache::lonxml::description($token).'</td>'
1.61      bisitz     55:            .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
1.59      bisitz     56:            .&Apache::edit::deletelist($target,$token)
                     57:            .'</span></td>'
1.60      raeburn    58:            .'<td>&nbsp;'.&Apache::edit::end_row()
1.59      bisitz     59:            .&Apache::edit::start_spanning_row();
1.1       albertel   60: 	
                     61: 	$result.=
                     62: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
1.59      bisitz     63: 	    &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.1       albertel   64: 				      ['yes','no'],$token).
                     65: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
                     66:     } elsif ($target eq 'modified') {
                     67: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     68: 						     $safeeval,'max',
                     69: 						     'randomize');
                     70: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.25      albertel   71:     } elsif ($target eq 'analyze') {
                     72: 	my $part_id="$Apache::inputtags::part.$id";
1.56      raeburn    73:         $Apache::lonhomework::analyze{"$part_id.type"} = 'rankresponse';
1.25      albertel   74: 	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.53      foxr       75: 	push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
                     76: 
1.1       albertel   77:     }
                     78:     return $result;
                     79: }
                     80: 
                     81: sub end_rankresponse {
                     82:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     83:     my $result;
                     84:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     85:     &Apache::response::end_response;
                     86:     pop @Apache::lonxml::namespace;
                     87:     &Apache::lonxml::deregister('Apache::rankresponse',
                     88: 				('foilgroup','foil','conceptgroup'));
1.30      albertel   89:     undef(%Apache::response::foilnames);
1.1       albertel   90:     return $result;
                     91: }
                     92: 
                     93: %Apache::response::foilgroup=();
                     94: sub start_foilgroup {
                     95:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     96:     my $result;
                     97:     %Apache::response::foilgroup=();
                     98:     $Apache::rankresponse::conceptgroup=0;
1.64      raeburn    99:     &Apache::response::pushrandomnumber(undef,$target);
1.1       albertel  100:     return $result;
                    101: }
                    102: 
                    103: sub end_foilgroup {
                    104:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    105:     my $result;
1.26      albertel  106:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
                    107: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  108: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                    109: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    110: 						   $safeeval,'-2');
                    111: 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
                    112: 	if (!defined($tol)) { $tol=0; }
1.3       sakharuk  113: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  114: 	    $result=&displayfoils($target,$max,$randomize,$tol);
1.50      albertel  115: 	    $Apache::lonxml::post_evaluate=0;
1.1       albertel  116: 	} elsif ($target eq 'answer' ) {
                    117: 	    $result=&displayanswers($max,$randomize,$tol);
                    118: 	} elsif ( $target eq 'grade') {
                    119: 	    &grade_response($max,$randomize,$tol);
1.25      albertel  120: 	} elsif ( $target eq 'analyze') {
                    121: 	    my @shown = &whichfoils($max,$randomize);
                    122: 	    &Apache::response::analyze_store_foilgroup(\@shown,
1.26      albertel  123: 						  ['text','value','location']);
1.41      albertel  124: 	    my $part_id=
                    125: 		"$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    126: 	    $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
1.1       albertel  127: 	}
1.55      foxr      128: 	my $part = $Apache::inputtags::part;
                    129: 	my $id   = $Apache::inputtags::response[-1];
1.54      foxr      130: 	&Apache::lonxml::increment_counter(&getfoilcounts($max),
1.55      foxr      131: 					   "$part.$id");
1.54      foxr      132: 	if ($target eq 'analyze') {
                    133: 	    &Apache::lonhomework::set_bubble_lines();
                    134: 	}
1.14      albertel  135:     } elsif ($target eq 'edit') {
                    136: 	$result=&Apache::edit::end_table();
1.1       albertel  137:     }
1.34      albertel  138:     &Apache::response::poprandomnumber();
1.1       albertel  139:     return $result;
                    140: }
                    141: 
                    142: sub get_correct_order {
                    143:     my ($tol,@foils) =@_;
                    144:     my @correctorder;
                    145:     my @value_names;
                    146:     foreach my $name (@foils) {
                    147: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
                    148: 	push(@value_names,\@pair);
                    149:     }
                    150:     @value_names =
                    151: 	sort {
1.17      albertel  152: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
1.1       albertel  153: 	    return 0;
                    154: 	} @value_names;
                    155:     my @value_names_tmp=@value_names;
                    156:     my $firstpair=shift(@value_names_tmp);
                    157:     my $order=1;
                    158:     my %order;
                    159:     my $count=1;
                    160:     my $lastvalue=$firstpair->[0];
                    161:     $order{$firstpair->[1]}=$order;
                    162:     foreach my $pair (@value_names_tmp) {
                    163: 	$count++;
                    164: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
                    165: 	    $order=$count;
                    166: 	}
                    167: 	$order{$pair->[1]}=$order;
                    168: 	$lastvalue=$pair->[0];
                    169:     }
                    170:     foreach my $name (@foils) {
                    171: 	push(@correctorder,$order{$name});
                    172:     }
                    173:     &Apache::lonhomework::showhash('b' => \@value_names);
                    174:     &Apache::lonhomework::showhash('b' => \@correctorder);
                    175:     return @correctorder;
                    176: }
                    177: 
                    178: sub displayanswers {
                    179:     my ($max,$randomize,$tol,@opt)=@_;
                    180:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    181:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    182:     my @whichfoils = &whichfoils($max,$randomize);
                    183:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.49      albertel  184:     my $result;
                    185:     if ($Apache::lonhomework::type eq 'exam') {
                    186: 	my @alphabet = ('A'..'Z');
                    187: 	my $i=0;
                    188: 	foreach my $order (@correctorder) {
                    189: 	    $result.=&Apache::response::answer_header('rankresponse',$i++);
                    190: 	    $result.=&Apache::response::answer_part('rankresponse',
                    191: 						    $alphabet[$order-1]);
                    192: 	    $result.=&Apache::response::answer_part('rankresponse',$order);
                    193: 	    $result.=&Apache::response::answer_footer('rankresponse');
                    194: 	}
                    195:     } else {
                    196: 	$result=&Apache::response::answer_header('rankresponse');
                    197: 	foreach my $order (@correctorder) {
                    198: 	    $result.=&Apache::response::answer_part('rankresponse',$order);
                    199: 	}
                    200: 	$result.=&Apache::response::answer_footer('rankresponse');
1.1       albertel  201:     }
                    202:     return $result;
                    203: }
                    204: 
                    205: sub check_response_order {
                    206:     my (%responsehash)=@_;
1.45      albertel  207:     my @order=sort( {$a <=> $b} values(%responsehash));
1.1       albertel  208:     my $lastvalue=0;
                    209:     my $expected=1;
                    210:     my $malformed=0;
                    211:     foreach my $current (@order) {
                    212: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
                    213: 	if (!($current == $lastvalue || $current == $expected)) {
                    214: 	    $malformed=1;
                    215: 	}
                    216: 	$expected++;
                    217: 	$lastvalue=$current;
                    218:     }
                    219:     return $malformed;
                    220: }
                    221: 
                    222: sub grade_response {
                    223:     my ($max,$randomize,$tol)=@_;
                    224:     my (@whichfoils)=&whichfoils($max,$randomize);
1.44      albertel  225:     if (!&Apache::response::submitted()) { return; }
1.1       albertel  226:     my %responsehash;
                    227:     my %grade;
1.28      albertel  228:     my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
1.1       albertel  229:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    230:     foreach my $name (@whichfoils) {
1.38      albertel  231: 	my $response = &Apache::response::getresponse($temp,'A is 1');
1.1       albertel  232: 	my $value=shift(@correctorder);
                    233: 	if ( $response =~ /[^\s]/) {
1.27      albertel  234: 	    $responsehash{$name}=$response;
1.1       albertel  235: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
                    236: 	    if ($value eq $response) {
                    237: 		$grade{$name}='1'; $right++;
                    238: 	    } else {
                    239: 		$grade{$name}='0'; $wrong++;
                    240: 	    }
                    241: 	} else {
                    242: 	    $ignored++;
                    243: 	}
                    244: 	$temp++;
                    245:     }
                    246:     my $malformed=&check_response_order(%responsehash);
                    247:     my $part=$Apache::inputtags::part;
                    248:     my $id = $Apache::inputtags::response['-1'];
                    249:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    250:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
                    251:     my %previous=&Apache::response::check_for_previous($responsestr,
                    252: 						       $part,$id);
                    253:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
                    254:     my $ad;
                    255:     if ($malformed) {
                    256: 	$ad='MISORDERED_RANK';
                    257:     } elsif ($wrong==0 && $ignored==0) {
                    258: 	$ad='EXACT_ANS';
                    259:     } elsif ($wrong==0 && $right==0) {
                    260: 	#nothing submitted
                    261:     } else {
                    262: 	if ($ignored==0) {
                    263: 	    $ad='INCORRECT';
                    264: 	} else {
                    265: 	    $ad='MISSING_ANSWER';
                    266: 	}
                    267:     }
1.62      raeburn   268:     if (($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS')) {
                    269:         if ($Apache::lonhomework::type eq 'survey') {
                    270:             $ad='SUBMITTED';
                    271:         } elsif ($Apache::lonhomework::type eq 'surveycred') {
                    272: 	    $ad='SUBMITTED_CREDIT';
                    273:         } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
                    274:             $ad='ANONYMOUS';
                    275:         } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
                    276:             $ad='ANONYMOUS_CREDIT';
                    277:         } else {
                    278:             $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    279:         }
1.40      albertel  280:     } else {
                    281: 	$Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    282:     }
1.64      raeburn   283:     if ($Apache::lonhomework::type eq 'randomizetry') {
                    284:         if ($Apache::lonhomework::type eq 'randomizetry') {
                    285:             $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
                    286:         }
                    287:     }
1.1       albertel  288:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    289: 	$responsestr;
                    290:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    291:     &Apache::response::handle_previous(\%previous,$ad);
                    292: }
                    293: 
1.52      albertel  294: sub format_prior_answer {
                    295:     my ($mode,$answer,$other_data) = @_;
                    296:     my %lastresponse=&Apache::lonnet::str2hash($answer);
                    297:     my $foil_order  =$other_data->[0];
                    298:     my %grading     =&Apache::lonnet::str2hash($other_data->[1]);
                    299:     my $output;
                    300:     foreach my $name (@{ $foil_order }) {
                    301: 	next if (!defined($lastresponse{$name}));
                    302: 	$output .= '<tr><td>'.$lastresponse{$name}.'</td></tr>';
                    303:     }
                    304:     return if (!defined($output));
                    305:     $output =
                    306: 	'<table class="LC_prior_rank">'.$output.'</table>';
                    307:     return $output;
                    308: }
                    309: 
1.1       albertel  310: sub displayfoils {
                    311:     my ($target,$max,$randomize,$tol)=@_;
                    312:     my $result;
1.4       sakharuk  313:     my @alphabet=('A'..'Z');
1.1       albertel  314:     my (@whichfoils)=&whichfoils($max,$randomize);
                    315:     my $part=$Apache::inputtags::part;
                    316:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    317:     my @whichopt=(1..($#whichfoils+1));
                    318:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.20      sakharuk  319:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  320: 	foreach my $name (@whichfoils) {
                    321: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    322: 	    my $value=shift(@correctorder);
1.46      albertel  323: 	    if ($target eq 'web') {
                    324: 		$result.='<br /><b>'.$value.':</b> '.$text;
                    325: 	    } else {
                    326: 		$result.=' \strut\\\\\strut '.$value.':'.$text;
                    327: 	    }
1.1       albertel  328: 	}
                    329:     } else {
                    330: 	my $i = 0;
1.29      albertel  331: 	my $temp=1;
1.1       albertel  332: 	my $id=$Apache::inputtags::response[-1];
                    333: 	my $part=$Apache::inputtags::part;
1.64      raeburn   334:         my ($lastresponse,$newvariation);
                    335:         if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
                    336:              ($Apache::lonhomework::type eq 'randomizetry')) &&
                    337:         ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
                    338:             if ($env{'form.'.$part.'.rndseed'} ne
                    339:                 $Apache::lonhomework::history{"resource.$part.rndseed"}) {
                    340:                 $newvariation = 1;
                    341:             }
                    342:         }
                    343:         unless (((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) || $newvariation) {
1.62      raeburn   344:             $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
                    345:         }
1.5       sakharuk  346: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
                    347: 	my @alp = splice @alphabet, 0, $#whichopt + 1;
1.15      sakharuk  348: 	my $internal_counter=$Apache::lonxml::counter;
1.58      onken     349:         if($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    350:             $result .= '\strut \\\\ \strut \\\\' ;
                    351:         }
                    352:         foreach my $name (@whichfoils) {
1.1       albertel  353: 	    my $lastopt=$lastresponse{$name};
1.3       sakharuk  354: 	    my $optionlist='';
1.58      onken     355: 	    if ($target ne 'tex') {
                    356:                 $optionlist = "<option></option>\n";
                    357:             } 
                    358:             if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    359:                 my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
                    360:                 $optionlist =  &Apache::lonxml::print_pdf_start_combobox($fieldname);
                    361:             }
1.1       albertel  362: 	    my $option;
                    363: 	    foreach $option (@whichopt) {
                    364: 		if ($option eq $lastopt) {
1.58      onken     365: 		    if ($target ne 'tex' ) {
1.64      raeburn   366:                         $optionlist.="<option selected=\"selected\">$option</option>\n";
1.58      onken     367:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    368:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                    369:                     }
1.1       albertel  370: 		} else {
1.58      onken     371: 		    if ($target ne 'tex') {
                    372:                         $optionlist.="<option>$option</option>\n";
                    373:                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                    374:                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                    375:                     }
                    376: 		} 
1.1       albertel  377: 	    }
1.12      sakharuk  378: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.51      albertel  379: 		$optionlist='<select onchange="javascript:setSubmittedPart(\''.
                    380: 		  $part.'\');" name="HWVAL_'.
1.3       sakharuk  381: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    382: 		        $optionlist."</select>\n";
1.58      onken     383: 	    } elsif ($env{'form.pdfFormFields'} eq 'yes') {
                    384:                 #do nothing
                    385:             } else {
1.3       sakharuk  386: 		$optionlist=' '.$temp.' '.$optionlist.' ';
                    387: 	    }
1.1       albertel  388: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.3       sakharuk  389: 	    if ($target ne 'tex') {
1.12      sakharuk  390: 		if ($Apache::lonhomework::type ne 'exam') {
                    391: 		    $result.='<br />'.$optionlist.$text."\n";
                    392: 		} else {
                    393: 		    $result.='<br />'.$text."\n";
                    394: 		}
1.4       sakharuk  395: 		if ($Apache::lonhomework::type eq 'exam') {
1.22      albertel  396: 		    my @values=(1..scalar(@whichopt));
                    397: 		    $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
1.4       sakharuk  398: 		}
                    399: 	    } else {
                    400: 		if ($Apache::lonhomework::type eq 'exam') {
1.63      foxr      401: 		    $result .= '\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
                    402: 		    $result .= '\vskip -1 mm';
                    403: 		    $result .= '\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]';
                    404: 		    $result .= &Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse');
                    405: 		    $result .= '\end{enumerate} \vskip -8 mm \strut ';
1.15      sakharuk  406: 		    $internal_counter++;
1.4       sakharuk  407: 		} else {
1.58      onken     408:                     if($env{'form.pdfFormFields'} ne 'yes') {
                    409: 		        $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
                    410:                     } else {
                    411:                         $result.= $optionlist.' '. &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
                    412:                     }
1.4       sakharuk  413: 		}
                    414: 	    }
1.1       albertel  415: 	    $temp++;
                    416: 	}
                    417:     }
1.52      albertel  418:     if ($target eq 'web') {
1.64      raeburn   419:         my $questiontype;
                    420:         if ($Apache::lonhomework::type eq 'randomizetry') {
                    421:             $questiontype = $Apache::lonhomework::type;
                    422:         }
1.52      albertel  423: 	&Apache::response::setup_prior_tries_hash(\&format_prior_answer,
                    424: 						  [\@whichfoils,
1.64      raeburn   425: 						   'submissiongrading'],
                    426:                                                   $questiontype);
1.52      albertel  427:     }
1.5       sakharuk  428:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
1.1       albertel  429:     return $result;
                    430: }
                    431: 
                    432: sub getfoilcounts {
                    433:     my ($max)=@_;
                    434:     # +1 since instructors will count from 1
                    435:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    436:     if (&Apache::response::showallfoils()) { $max=$count; }
                    437:     if ($count>$max) { $count=$max } 
                    438:     &Apache::lonxml::debug("Count is $count from $max");
                    439:     return $count;
                    440: }
                    441: 
                    442: sub whichfoils {
                    443:     my ($max,$randomize)=@_;
1.13      albertel  444:     return &Apache::response::whichorder($max,$randomize,
                    445: 					 &Apache::response::showallfoils(),
                    446: 					 \%Apache::response::foilgroup);
1.1       albertel  447: }
                    448: 
                    449: sub start_conceptgroup {
                    450:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    451:     $Apache::rankresponse::conceptgroup=1;
                    452:     %Apache::response::conceptgroup=();
                    453:     my $result;
                    454:     if ($target eq 'edit') {
                    455: 	$result.=&Apache::edit::tag_start($target,$token,
                    456: 					  "Concept Grouped Foils");
                    457: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    458: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    459:     }
                    460:     if ($target eq 'modified') {
                    461: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    462: 						     $safeeval,'concept');
                    463: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    464:     }
                    465:     return $result;
                    466: }
                    467: 
                    468: sub end_conceptgroup {
                    469:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    470:     $Apache::rankresponse::conceptgroup=0;
                    471:     my $result='';
1.25      albertel  472:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    473: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  474: 	#if not there aren't any foils to display and thus no question
1.25      albertel  475: 	&Apache::response::pick_foil_for_concept($target,
                    476: 						 ['value','text','location'],
                    477: 						 \%Apache::hint::rank,
                    478: 						 $parstack,$safeeval);
1.1       albertel  479:     } elsif ($target eq 'edit') {
                    480: 	$result=&Apache::edit::end_table();
                    481:     }
                    482:     return $result;
                    483: }
                    484: 
                    485: sub insert_conceptgroup {
                    486:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    487:     return $result;
                    488: }
                    489: 
                    490: sub start_foil {
                    491:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    492:     my $result='';
1.25      albertel  493:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  494: 	&Apache::lonxml::startredirection;
1.39      albertel  495: 	if ($target eq 'analyze') {
                    496: 	    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
                    497: 	}
1.1       albertel  498:     } elsif ($target eq 'edit') {
                    499: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    500: 	my $level='-2';
                    501: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    502: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    503: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
                    504: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    505: 						 $safeeval,'-3');
                    506: 	if ($randomize ne 'no') {
                    507: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    508: 					     ['random','top','bottom'],$token);
                    509: 	}
                    510: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    511:     } elsif ($target eq 'modified') {
                    512: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    513: 						     $safeeval,'value',
                    514: 						     'name','location');
                    515: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    516:     }
                    517:     return $result;
                    518: }
                    519: 
                    520: sub end_foil {
                    521:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    522:     my $text ='';
                    523:     my $result = '';
1.25      albertel  524:     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.1       albertel  525: 	$text=&Apache::lonxml::endredirection;
                    526:     }
1.25      albertel  527:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    528: 	$target eq 'tex' || $target eq 'analyze') {
1.1       albertel  529: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.42      albertel  530: 	if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                    531: 	    $text='\vskip 5mm $\triangleright$ '.$text;
                    532: 	}
1.1       albertel  533: 	if ($value ne 'unused') {
                    534: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    535: 	    &Apache::lonxml::debug("Got a name of :$name:");
1.48      albertel  536: 	    if ($name eq "") {
1.57      bisitz    537: 		&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.43      albertel  538: 		$name=$Apache::lonxml::curdepth;
                    539: 	    }
1.1       albertel  540: 	    &Apache::lonxml::debug("Using a name of :$name:");
1.65    ! www       541:             if ($name eq "0") {
        !           542:                 &Apache::lonxml::error(&mt('Foil name [_1] is not supported. Please choose another name.','<b><tt>'.$name.'</tt></b>'));
        !           543:             }
1.30      albertel  544: 	    if (defined($Apache::response::foilnames{$name})) {
1.57      bisitz    545: 		&Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
1.30      albertel  546: 	    }
1.31      albertel  547: 	    $Apache::response::foilnames{$name}++;
1.30      albertel  548: 	    my $location =&Apache::lonxml::get_param('location',$parstack,
                    549: 						     $safeeval);
1.1       albertel  550: 	    if ( $Apache::rankresponse::conceptgroup
                    551: 		 && !&Apache::response::showallfoils() ) {
                    552: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    553: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.42      albertel  554: 		$Apache::response::conceptgroup{"$name.text"} = $text;
1.1       albertel  555: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    556: 	    } else {
                    557: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    558: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.42      albertel  559: 		$Apache::response::foilgroup{"$name.text"} = $text;
1.1       albertel  560: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    561: 	    }
                    562: 	}
                    563:     }
                    564:     if ($target eq 'edit') {
                    565: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    566:     }
                    567:     return $result;
                    568: }
                    569: 
                    570: sub insert_foil {
                    571:     return '
                    572: <foil name="" value="unused">
                    573: <startouttext />
                    574: <endouttext />
                    575: </foil>';
                    576: }
                    577: 1;
                    578: __END__

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