loncom/homework/response.pm - view

File: [LON-CAPA] / loncom / homework / response.pm
Revision 1.99: download - view: text, annotated - select for diffs
Thu May 27 04:25:13 2004 UTC (19 years, 11 months ago) by albertel
Branches: MAIN
CVS tags: version_1_1_99_0, HEAD

- fixes for randnumber generation
   - due to a error in coding the 64bit and 64bit2 rnd seeds were throwing away the second half of the seed, we now preserve this functionality and make it explicit
   - additionally 64bit3 now uses all 64bits of the seed
   - also added new function pushrandomnumber poprandomnumber to be called instead of setrandomnumber before we were crunching the Safe space random number generator state, as this function is used bu thing the <optionresponse> and <radoibuttonresponse> this meant changes in the internal randomization code could screw up later Safe space random calls the old method is preserved for blank 64bit and 64bit2 randomiztion env.

# The LearningOnline Network with CAPA # various response type definitons response definition # # $Id: response.pm,v 1.99 2004/05/27 04:25:13 albertel Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # package Apache::response; use strict; use Apache::lonlocal; BEGIN { &Apache::lonxml::register('Apache::response',('responseparam','parameter','dataresponse')); } sub start_response { my ($parstack,$safeeval)=@_; my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval); if ($id eq '') { $id = $Apache::lonxml::curdepth; } if ($#Apache::inputtags::import > -1) { &Apache::lonxml::debug("Turning :$id: into"); $id = join('_',@Apache::inputtags::import).'_'.$id; &Apache::lonxml::debug("New :$id:"); } push (@Apache::inputtags::response,$id); push (@Apache::inputtags::responselist,$id); @Apache::inputtags::inputlist=(); if ($Apache::inputtags::part eq '') { &Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem"),'<>&"')); } if ($Apache::inputtags::response_with_no_part && $Apache::inputtags::part ne '0') { &Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur."),'<>&"').'<br />'); } if ($Apache::inputtags::part eq '0') { $Apache::inputtags::response_with_no_part=1; } return $id; } sub end_response { #pop @Apache::inputtags::response; @Apache::inputtags::inputlist=(); return ''; } sub start_hintresponse { my ($parstack,$safeeval)=@_; my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval); if ($id eq '') { $id = $Apache::lonxml::curdepth; } push (@Apache::inputtags::response,$id); push (@Apache::inputtags::responselist,$id); push (@Apache::inputtags::paramstack,[%Apache::inputtags::params]); return $id; } sub end_hintresponse { pop @Apache::inputtags::response; if (defined($Apache::inputtags::paramstack[-1])) { %Apache::inputtags::params= @{ pop(@Apache::inputtags::paramstack) }; } return ''; } my @randomseeds; sub pushrandomnumber { my $rand_alg=&Apache::lonnet::get_rand_alg(); if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || $rand_alg eq '64bit2') { # do nothing } else { my @seed=&Math::Random::random_get_seed(); push (@randomseeds,\@seed); } &Apache::response::setrandomnumber(); } sub poprandomnumber { my $rand_alg=&Apache::lonnet::get_rand_alg(); if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || $rand_alg eq '64bit2') { return; } my $seed=pop(@randomseeds); if ($seed) { &Math::Random::random_set_seed(@$seed); } else { &Apache::lonxml::error("Unable to restore random algorithm."); } } sub setrandomnumber { my $rndseed; $rndseed=&Apache::structuretags::setup_rndseed(); if (!defined($rndseed)) { $rndseed=&Apache::lonnet::rndseed(); } &Apache::lonxml::debug("randseed $rndseed"); # $rndseed=unpack("%32i",$rndseed); my $rand_alg=&Apache::lonnet::get_rand_alg(); my $rndmod; if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' || $rand_alg eq '64bit2') { $rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10); if (defined($Apache::inputtags::response[-1])) { $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]); } } else { $rndmod=(&Apache::lonnet::numval2($Apache::inputtags::part) << 10); if (defined($Apache::inputtags::response[-1])) { $rndmod+=&Apache::lonnet::numval2($Apache::inputtags::response[-1]); } } if ($rndseed =~/([,:])/) { my $char=$1; use integer; my ($num1,$num2)=split(/\Q$char\E/,$rndseed); $num1+=$rndmod; $num2+=$rndmod; $rndseed=$num1.$char.$num2; } else { $rndseed+=$rndmod; } &Apache::lonnet::setup_random_from_rndseed($rndseed); &Apache::lonxml::debug("randseed $rndseed"); return ''; } sub meta_parameter_write { my ($name,$type,$default,$display)=@_; my $partref=$Apache::inputtags::part; my $result='<parameter part="'.$Apache::inputtags::part.'"'; if (defined($Apache::inputtags::response[-1])) { $result.= ' id="'.$Apache::inputtags::response[-1].'"'; $partref.='_'.$Apache::inputtags::response[-1]; } $result.= ' name="'.$name.'"'. ' type="'.$type.'"'. (defined($default)?' default="'.$default.'"':''). (defined($display)?' display="'.$display.' [Part: '.$partref.']"':'') .'></parameter>' ."\n"; return $result; } sub meta_package_write { my $name=shift; my $result = '<parameter part="'.$Apache::inputtags::part.'"'; if(defined($Apache::inputtags::response[-1])) { $result.= ' id="'.$Apache::inputtags::response[-1].'"'; } $result.=' package="'.$name.'"></parameter>'."\n"; return $result; } sub meta_stores_write { my ($name,$type,$display)=@_; my $partref=$Apache::inputtags::part; my $result = '<stores part="'.$Apache::inputtags::part.'"'; if (defined($Apache::inputtags::response[-1])) { $result.= ' id="'.$Apache::inputtags::response[-1].'"'; $partref.='_'.$Apache::inputtags::response[-1]; } $result.= ' name="'.$name.'"'. ' type="'.$type.'"'. ' display="'.$display.' [Part: '.$partref.']"'. "></stores>\n"; } sub mandatory_part_meta { # # Autogenerate metadata for mandatory # input (from RAT or lonparmset) and # output (to lonspreadsheet) # of each part # return # &meta_parameter_write('opendate','date_start','', # 'Opening Date'). # &meta_parameter_write('duedate','date_end','', # 'Due Date'). # &meta_parameter_write('answerdate','date_start','', # 'Show Answer Date'). # &meta_parameter_write('weight','int_zeropos','', # 'Available Points'). # &meta_parameter_write('maxtries','int_pos','', # 'Maximum Number of Tries'). &meta_package_write('part'). &meta_stores_write('solved','string', 'Problem Status'). &meta_stores_write('tries','int_zeropos', 'Number of Attempts'). &meta_stores_write('awarded','float', 'Partial Credit Factor'); # # Note: responseid-specific data 'submission' and 'awarddetail' # not available to spreadsheet -> skip here # } sub meta_part_order { if (@Apache::inputtags::partlist) { my @parts=@Apache::inputtags::partlist; shift(@parts); return '<partorder>'.join(',',@parts).'</partorder>'; } else { return '<partorder>0</partorder>'; } } sub check_for_previous { my ($curresponse,$partid,$id) = @_; my %previous; $previous{'used'} = 0; foreach my $key (sort(keys(%Apache::lonhomework::history))) { if ($key =~ /resource\.$partid\.$id\.submission$/) { &Apache::lonxml::debug("Trying $key"); my $pastresponse=$Apache::lonhomework::history{$key}; if ($pastresponse eq $curresponse) { $previous{'used'} = 1; my $history; if ( $key =~ /^(\d+):/ ) { $history=$1; $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"}; $previous{'last'}='0'; push(@{ $previous{'version'} },$history); } else { $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"}; $previous{'last'}='1'; } if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN'; } &Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:"); } } } &Apache::lonhomework::showhash(%previous); return %previous; } sub handle_previous { my ($previous,$ad)=@_; if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) { if ($$previous{'last'}) { push(@Apache::inputtags::previous,'PREVIOUSLY_LAST'); } else { push(@Apache::inputtags::previous,'PREVIOUSLY_USED'); } push(@Apache::inputtags::previous_version,$$previous{'version'}); } } sub view_or_modify { my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); my $myself=0; if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) { $myself=1; } my $vgr=&Apache::lonnet::allowed('vgr',$courseid); my $mgr=&Apache::lonnet::allowed('vgr',$courseid); if ($mgr) { return "M"; } if ($vgr) { return "V"; } if ($myself) { return "V"; } return ''; } sub start_dataresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $id = &Apache::response::start_response($parstack,$safeeval); my $result; if ($target eq 'web') { $result = $token->[2]->{'display'}.':'; } elsif ($target eq 'meta') { $result = &Apache::response::meta_stores_write($token->[2]->{'name'}, $token->[2]->{'type'}, $token->[2]->{'display'}); $result .= &Apache::response::meta_package_write('dataresponse'); } return $result; } sub end_dataresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if ( $target eq 'web' ) { } elsif ($target eq 'grade' ) { if ( defined $ENV{'form.submitted'}) { my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser(); my $allowed=&Apache::lonnet::allowed('mgr',$courseid); if ($allowed) { &Apache::response::setup_params('dataresponse',$safeeval); my $partid = $Apache::inputtags::part; my $id = $Apache::inputtags::response['-1']; my $response = $ENV{'form.HWVAL_'.$id}; my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); if ( $response =~ /[^\s]/) { $Apache::lonhomework::results{"resource.$partid.$id.$name"}=$response; $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response; $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}='SUBMITTED'; } } else { $result='Not Permitted to change values.' } } } &Apache::response::end_response; return $result; } sub decide_package { my ($tagstack)=@_; my $package; if ($$tagstack[-1] eq 'parameter') { $package='part'; } else { my $i=-1; while (defined($$tagstack[$i])) { if ($$tagstack[$i] =~ /(response|hint)$/) { $package=$$tagstack[$i]; last; } $i--; } } return $package; } sub start_responseparam { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result=''; if ($target eq 'meta') { $result = &meta_parameter_write($token->[2]->{'name'}, $token->[2]->{'type'}, $token->[2]->{'default'}, $token->[2]->{'description'}); } elsif ($target eq 'edit') { $result.=&Apache::edit::tag_start($target,$token); my $optionlist; my $package=&decide_package($tagstack); foreach my $key (sort(keys(%Apache::lonnet::packagetab))) { if ($key =~ /^\Q$package\E&(.*)&display$/) { $optionlist.='<option value="'.$1.'">'. $Apache::lonnet::packagetab{$key}.'</option>'; } } if (defined($optionlist)) { $result.='Use template: <select name="'. &Apache::edit::html_element_name('parameter_package').'">'. '<option value=""></option>'.$optionlist.'</select><br />'; } $result.=&Apache::edit::text_arg('Name:','name',$token). &Apache::edit::text_arg('Type:','type',$token). &Apache::edit::text_arg('Description:','description',$token). &Apache::edit::text_arg('Default:','default',$token). "</td></tr>"; $result.=&Apache::edit::end_table; } elsif ($target eq 'modified') { my $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'name','type', 'description','default'); my $element=&Apache::edit::html_element_name('parameter_package'); if (defined($ENV{"form.$element"}) && $ENV{"form.$element"} ne '') { my $name=$ENV{"form.$element"}; my $tag=&decide_package($tagstack); $token->[2]->{'name'}=$name; $token->[2]->{'type'}= $Apache::lonnet::packagetab{"$tag&$name&type"}; $token->[2]->{'description'}= $Apache::lonnet::packagetab{"$tag&$name&display"}; $token->[2]->{'default'}= $Apache::lonnet::packagetab{"$tag&$name&default"}; $constructtag=1; } if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); $result.=&Apache::edit::handle_insert(); } } elsif ($target eq 'grade' || $target eq 'answer' || $target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) { if ($ENV{'request.state'} eq 'construct') { my $name =&Apache::lonxml::get_param('name',$parstack,$safeeval); my $default=&Apache::lonxml::get_param('default',$parstack, $safeeval); if ($name) {$Apache::inputtags::params{$name}=$default;} } } return $result; } sub end_responseparam { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; if ($target eq 'edit') { return ('','no'); } return ''; } sub start_parameter { my $result = &start_responseparam(@_); return $result; } sub end_parameter { my $result = &end_responseparam(@_); return $result; } sub reset_params { %Apache::inputtags::params=(); } sub setup_params { my ($tag,$safeeval) = @_; if ($ENV{'request.state'} eq 'construct') { return; } my %paramlist=(); foreach my $key (keys(%Apache::lonnet::packagetab)) { if ($key =~ /^$tag/) { my ($package,$name) = split(/&/,$key); $paramlist{$name}=1; } } foreach my $key (keys(%paramlist)) { my $entry= 'resource.'.$Apache::inputtags::part; if (defined($Apache::inputtags::response[-1])) { $entry.='_'.$Apache::inputtags::response[-1]; } $entry.='.'.$key; &Apache::lonxml::debug("looking for $entry"); my $value = &Apache::lonnet::EXT("$entry"); &Apache::lonxml::debug("$key has value :$value:"); if ($value eq 'con_lost' || $value =~ /^error:/) { &Apache::lonxml::debug("using nothing"); $Apache::inputtags::params{$key}=''; } else { my $string="{return qq\0".$value."\0}"; my $newvalue=&Apache::run::run($string,$safeeval,1); if (defined($newvalue)) { $value=$newvalue; } $Apache::inputtags::params{$key}=$value; } } } sub answer_header { my ($type) = @_; my $result; if ($ENV{'form.answer_output_mode'} eq 'tex') { $result = ' \vskip 0 mm \begin{tabular}{|c|}\hline Answer for Part: \verb|'. $Apache::inputtags::part.'| \\\\ \hline '; } else { $result = '<table border="1"><tr><td>Answer for Part:'. $Apache::inputtags::part. '</td>'."\n"; } return $result; } sub answer_part { my ($type,$answer) = @_; my $result; if ($ENV{'form.answer_output_mode'} eq 'tex') { $result = ' \verb|'.$answer.'|\\\\ \hline '; } else { $result = '<td>'.$answer.'</td>'; } return $result; } sub answer_footer { my ($type) = @_; my $result; if ($ENV{'form.answer_output_mode'} eq 'tex') { $result = ' \end{tabular} \vskip 0 mm '; } else { $result = '</tr></table>'; } return $result; } sub showallfoils { my $return=0; if (defined($ENV{'form.showallfoils'}) && $ENV{'request.state'} eq 'construct') { $return=1; } return $return; } sub getresponse { my ($temp,$resulttype)=@_; my $formparm='form.HWVAL_'.$Apache::inputtags::response['-1']; my $response; if (!defined($temp)) { $temp=1; } else { $formparm.=":$temp"; } my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,'H'=>7, 'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,'O'=>14, 'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,'V'=>21, 'W'=>22,'X'=>23,'Y'=>24,'Z'=>25); if ($ENV{'form.submitted'} eq 'scantron') { my $part = $Apache::inputtags::part; my $id = $Apache::inputtags::response[-1]; $response = $ENV{'scantron.'.($Apache::lonxml::counter+$temp-1). '.answer'}; # save bubbled letter for later $Apache::lonhomework::results{"resource.$part.$id.scantron"}.= $response; if ($resulttype ne 'letter') { $response = $let_to_num{$response}; } } else { $response = $ENV{$formparm}; } return $response; } sub repetition { my $id = $Apache::inputtags::part; my $weight = &Apache::lonnet::EXT("resource.$id.weight"); my $repetition = int $weight/9; if ($weight % 9 != 0) {$repetition++;} return $repetition; } sub scored_response { my ($part,$id)=@_; my $repetition=&repetition(); my $score=0; for (my $i=0;$i<$repetition;$i++) { my $increase=&Apache::response::getresponse($i+1); if ($increase ne '') { $score+=$increase+1; } } my $weight = &Apache::lonnet::EXT("resource.$part.weight"); if (!defined($weight) || $weight eq '' || $weight eq 0) { $weight = 1; } my $pcr=$score/$weight; $Apache::lonhomework::results{"resource.$part.$id.awarded"}=$pcr; $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= 'ASSIGNED_SCORE'; return $repetition; } sub whichorder { my ($max,$randomize,$showall,$hash)=@_; #&Apache::lonxml::debug("man $max randomize $randomize"); if (!defined(@{ $$hash{'names'} })) { return; } my @names = @{ $$hash{'names'} }; my @whichopt =(); my (%top,@toplist,%bottom,@bottomlist); if (!($showall || ($randomize eq 'no'))) { my $current=0; foreach my $name (@names) { $current++; if ($$hash{"$name.location"} eq 'top') { $top{$name}=$current; } elsif ($$hash{"$name.location"} eq 'bottom') { $bottom{$name}=$current; } } } my $topcount=0; my $bottomcount=0; while (((scalar(@whichopt)+$topcount+$bottomcount) < $max || $showall) && ($#names > -1)) { #&Apache::lonxml::debug("Have $#whichopt max is $max"); my $aopt; if ($showall || ($randomize eq 'no')) { $aopt=0; } else { $aopt=int(&Math::Random::random_uniform() * ($#names+1)); } #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt"); $aopt=splice(@names,$aopt,1); #&Apache::lonxml::debug("Picked $aopt"); if ($top{$aopt}) { $toplist[$top{$aopt}]=$aopt; $topcount++; } elsif ($bottom{$aopt}) { $bottomlist[$bottom{$aopt}]=$aopt; $bottomcount++; } else { push (@whichopt,$aopt); } } for (my $i=0;$i<=$#toplist;$i++) { if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) } } for (my $i=0;$i<=$#bottomlist;$i++) { if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) } } return @whichopt; } sub show_answer { my $part = $Apache::inputtags::part; my $award = $Apache::lonhomework::history{"resource.$part.solved"}; my $status = $Apache::inputtags::status[-1]; return ( ($award =~ /^correct/ && lc($Apache::lonhomework::problemstatus) ne 'no') || $status eq "SHOW_ANSWER"); } sub analyze_store_foilgroup { my ($shown,$attrs)=@_; my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; foreach my $name (@{ $Apache::response::foilgroup{'names'} }) { if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; } push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name); foreach my $attr (@$attrs) { $Apache::lonhomework::analyze{"$part_id.foil.".$attr.".$name"} = $Apache::response::foilgroup{"$name.".$attr}; } } push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} }, @{ $shown }); } sub check_if_computed { my ($token,$parstack,$safeeval,$name)=@_; my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval); if ($value ne $token->[2]{$name}) { my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; $Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1; } } sub pick_foil_for_concept { my ($target,$attrs,$hinthash,$parstack,$safeeval)=@_; if (not defined(@{ $Apache::response::conceptgroup{'names'} })) { return; } my @names = @{ $Apache::response::conceptgroup{'names'} }; my $pick=int(&Math::Random::random_uniform() * ($#names+1)); my $name=$names[$pick]; push @{ $Apache::response::foilgroup{'names'} }, $name; foreach my $attr (@$attrs) { $Apache::response::foilgroup{"$name.".$attr} = $Apache::response::conceptgroup{"$name.".$attr}; } my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval); $Apache::response::foilgroup{"$name.concept"} = $concept; &Apache::lonxml::debug("Selecting $name in $concept"); my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; if ($target eq 'analyze') { push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} }, $concept); $Apache::lonhomework::analyze{"$part_id.concept.$concept"}= $Apache::response::conceptgroup{'names'}; foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) { push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} }, $name); foreach my $attr (@$attrs) { $Apache::lonhomework::analyze{"$part_id.foil.$attr.$name"}= $Apache::response::conceptgroup{"$name.$attr"}; } } } push(@{ $hinthash->{"$part_id.concepts"} },$concept); $hinthash->{"$part_id.concept.$concept"}= $Apache::response::conceptgroup{'names'}; } sub get_response_param { my ($id,$name,$default)=@_; my $parameter; if ($ENV{'request.state'} eq 'construct' && defined($Apache::inputtags::params{$name})) { $parameter=$Apache::inputtags::params{$name}; } else { $parameter=&Apache::lonnet::EXT("resource.$id.$name"); } if (!defined($parameter) || $parameter eq '') { $parameter = $default; } return $parameter; } 1; __END__