--- loncom/homework/inputtags.pm 2008/12/06 12:49:12 1.250 +++ loncom/homework/inputtags.pm 2016/12/06 20:51:11 1.344 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # input definitons # -# $Id: inputtags.pm,v 1.250 2008/12/06 12:49:12 bisitz Exp $ +# $Id: inputtags.pm,v 1.344 2016/12/06 20:51:11 damieng Exp $ # # Copyright Michigan State University Board of Trustees # @@ -53,13 +53,14 @@ package Apache::inputtags; use HTML::Entities(); use strict; use Apache::loncommon; +use Apache::lonhtmlcommon; use Apache::lonlocal; use Apache::lonnet; use LONCAPA; BEGIN { - &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline')); + &Apache::lonxml::register('Apache::inputtags',('hiddensubmission','hiddenline','textfield','textline')); } =pod @@ -124,6 +125,37 @@ sub initialize_inputtags { %Apache::inputtags::submission_display=(); } +# +# provides the onblur binding for spellchecking. This could be an +# empty string if spellchecking was not enabled. +# Jquery selector binding is done rather than setting an onblur +# attribute because we'll need to set the element's spellcheck language +# option dynamically so we need $(this) to be defined. +# +# @param id - The element id to bind. +# @param lang - Language in which spellchecking is desired. +# if undef, nothing is generated. +# @return string - onblur specification to do the requested spellchecking. +# +sub spellcheck_onblur { + my ($id, $lang) = @_; + my $result = ''; + if ($lang) { + + $result = < +\$('\#$id').blur(function() { + doSpellcheck('\#$id', '$lang'); + }); + + +JAVASCRIPT + + + } + return $result; +} + sub check_for_duplicate_ids { my %check; foreach my $id (@Apache::inputtags::partlist, @@ -174,7 +206,27 @@ sub start_textfield { if ($target eq 'web') { $Apache::lonxml::evaluate--; my $partid=$Apache::inputtags::part; - my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"'); + my ($oldresponse,$newvariation); + if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') || + ($Apache::lonhomework::type eq 'randomizetry')) && + ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) { + if ($env{'form.'.$partid.'.rndseed'} ne + $Apache::lonhomework::history{"resource.$partid.rndseed"}) { + $newvariation = 1; + } + } + unless ($newvariation) { + if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) || + (($env{'form.grade_username'} eq $env{'user.name'}) && + ($env{'form.grade_domain'} eq $env{'user.domain'}))) { + $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"}; + } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') || + ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred')) { + $oldresponse = '* '.&mt('(only shown to submitter)').' *'; + } else { + $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"}; + } + } if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval); if ( $cols eq '') { $cols = 80; } @@ -182,12 +234,20 @@ sub start_textfield { if ( $rows eq '') { $rows = 16; } my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); $result=''; + my $tagident = 'HWVAL_' . $resid; + my $itemid = 'HWVAL_'.$partid.'_'.$resid; if ($addchars) { - $result.=&addchars('HWVAL_'.$resid,$addchars); + $result.=&addchars($tagident, $addchars); } - &Apache::lonhtmlcommon::add_htmlareafields('HWVAL_'.$resid); - $result.= '"; + my $partid=$Apache::inputtags::part; + my $resid = $Apache::inputtags::response[-1]; + my $itemid = 'HWVAL_' . $partid . '_' . $resid; + my $result = ""; + $result .= &spellcheck_onblur($itemid, $spellcheck); + return $result; } } elsif ($target eq 'edit') { $result=&Apache::edit::end_table(); @@ -317,6 +395,12 @@ sub start_textline { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result = ""; my $input_id = &start_input($parstack,$safeeval); + + # The spellcheck attribute + # 1. enables spellchecking. + # 2. Provides the language code in which the spellchecking will be performed. + + my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval); if ($target eq 'web') { $Apache::lonxml::evaluate--; my $partid=$Apache::inputtags::part; @@ -329,16 +413,37 @@ sub start_textline { $maxlength = ' maxlength="'.$size.'"'; } } - my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"}; - &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse)); - - if (ref($oldresponse) eq 'ARRAY') { - $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist]; - } - $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"'); - $oldresponse =~ s/^\s+//; - $oldresponse =~ s/\s+$//; - $oldresponse =~ s/\s+/ /g; + my ($oldresponse,$newvariation); + if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') || + ($Apache::lonhomework::type eq 'randomizetry')) && + ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) { + if ($env{'form.'.$partid.'.rndseed'} ne + $Apache::lonhomework::history{"resource.$partid.rndseed"}) { + $newvariation = 1; + } + } + unless ($newvariation) { + if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) || + (($env{'form.grade_username'} eq $env{'user.name'}) && + ($env{'form.grade_domain'} eq $env{'user.domain'}))) { + $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"}; + } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') || + ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred') || + ($Apache::lonhomework::type eq 'anonsurvey') || + ($Apache::lonhomework::type eq 'anonsurveycred')) { + $oldresponse = '* '.&mt('(only shown to submitter)').' *'; + } else { + $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"}; + } + &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse)); + if (ref($oldresponse) eq 'ARRAY') { + $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist]; + } + $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"'); + $oldresponse =~ s/^\s+//; + $oldresponse =~ s/\s+$//; + $oldresponse =~ s/\s+/ /g; + } if ($Apache::lonhomework::type ne 'exam') { my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval); $result=''; @@ -354,11 +459,25 @@ sub start_textline { $readonly=''; } my $name = 'HWVAL_'.$id; + my $itemid = 'HWVAL_'.$partid.'_'.$id; + # NOTE: the input id should match the one given by defaut_homework input_id(). + my $input_tag_id = $itemid.'_'.$input_id; if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') { $name = "none"; } - $result.= ''; + $result.= ''; + + $result .= &spellcheck_onblur($itemid, $spellcheck); + if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') && + (($tagstack->[-2] eq 'formularesponse') || ($tagstack->[-2] eq 'mathresponse')) && + (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) { + $result.=&edit_mathresponse_button($input_tag_id); + } } if ($Apache::lonhomework::type eq 'exam' && &needs_exam_box($tagstack)) { @@ -377,23 +496,27 @@ sub start_textline { 'addchars',$token,10); $result.=&Apache::edit::select_arg('Readonly:','readonly', ['no','yes'],$token); + my $spell_langs = &spelling_languages(); + $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck', + $spell_langs, $token); $result.=&Apache::edit::end_row(); $result.=&Apache::edit::end_table(); } elsif ($target eq 'modified') { my $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'size', - 'addchars','readonly'); + 'addchars','readonly', 'spellcheck'); if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } } elsif ($target eq 'tex' && $Apache::lonhomework::type ne 'exam') { my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval); if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';} - if ($env{'form.pdfFormFields'} eq 'yes') { + if ($env{'form.pdfFormFields'} eq 'yes' + && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') { my $fieldname = $env{'request.symb'}. '&part_'. $Apache::inputtags::part. '&textresponse'. '&HWVAL_' . $Apache::inputtags::response['-1']; - $result="\n\\\\\n".'\textField{'.$fieldname.'}{'.$size.'}{12 bp}'; + $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}'; } else { $result='\framebox['.$size.'][s]{\tiny\strut}'; } @@ -454,6 +577,49 @@ sub end_hiddenline { return ""; } + +sub start_hiddensubmission { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; + my $result = ""; + my $input_id = &start_input($parstack,$safeeval); + if ($target eq 'web') { + $Apache::lonxml::evaluate--; + if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { + my $partid=$Apache::inputtags::part; + my $id=$Apache::inputtags::response[-1]; + if ($Apache::lonhomework::type ne 'exam') { + my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); + $value = &HTML::Entities::encode($value,'<>&"'); + $result= ''; + } + } + } elsif ($target eq 'edit') { + $result=&Apache::edit::tag_start($target,$token); + $result.=&Apache::edit::text_arg('Value:','value',$token,'15'); + $result.=&Apache::edit::end_row(); + $result.=&Apache::edit::end_table(); + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack, + $safeeval,'value'); + if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } + } + + if ( ($target eq 'web' || $target eq 'tex') + && $Apache::lonhomework::type eq 'exam' + && &needs_exam_box($tagstack)) { + $result.=&exam_box($target); + } + return $result; +} + +sub end_hiddensubmission { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; + if ($target eq 'web') { $Apache::lonxml::evaluate++; } + elsif ($target eq 'edit') { return ('','no'); } + &end_input(); + return ""; +} + =pod =item file_selector() @@ -461,112 +627,287 @@ sub end_hiddenline { $part -> partid $id -> responseid $uploadefiletypes -> comma seperated list of extensions allowed or * for any -$which -> 'uploadedonly' -> only newly uploaded files +$which -> 'uploadonly' -> only newly uploaded files 'portfolioonly' -> only allow files from portfolio 'both' -> allow files from either location $extratext -> additional text to go between the link and the input box +$maxfilesize -> maximum cumulative filesize for submitted files (in MB). returns a table row =cut sub file_selector { - my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_; + my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_; if (!$uploadedfiletypes) { return ''; } my $jspart=$part; $jspart=~s/\./_/g; my $result; - - $result.=''; + my $current_files_display = ¤t_file_submissions($part,$id); + my $addfiles; + if ($current_files_display) { + $result .= &Apache::lonhtmlcommon::row_title(&mt('Files currently selected for submission')). + $current_files_display. + &Apache::lonhtmlcommon::row_closure(); + $addfiles = &mt('Submit other file(s)'); + } else { + $addfiles = &mt('Choose file(s) to submit'); + } + $result .= &Apache::lonhtmlcommon::row_title($addfiles); + my $constraints; if ($uploadedfiletypes ne '*') { - $result.= + $constraints = &mt('Allowed filetypes: [_1]',''.$uploadedfiletypes.'').'
'; } - if ($which eq 'uploadonly' || $which eq 'both') { - $result.=&mt('Submit a file: (only one file can be uploaded)'). - '

'; - $result .= &show_past_file_submission($part,$id); + if ($maxfilesize) { + $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.', + ''.$maxfilesize.'').'
'; } - if ( $which eq 'both') { + if ($constraints) { + $result .= $constraints.'
'; + } + if ($which eq 'uploadonly' || $which eq 'both') { + my $free_space = $maxfilesize * 1048576; + $result .= &mt('Submit a file: (only one file per submission)'). + '

'. + '
' + } + if ( $which eq 'both') { $result.='
'.''.&mt('OR:').'
'; } - if ($which eq 'portfolioonly' || $which eq 'both') { - $result.=$extratext.''. - &mt('Select Portfolio Files').'
'. + if ($which eq 'portfolioonly' || $which eq 'both') { + my $symb = $env{'request.symb'}; + (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb); + my $showsymb; + # If resource is a .task and URL is unencrypted, include symb in query string + # for url opened in portfolio file selection window. Can be used to override + # blocking of portfolio access resulting from an exam event in a different course. + if ($res =~ /\.task$/i) { + my $encsymb = &Apache::lonenc::check_encrypt($symb); + if ($symb eq $encsymb) { + $showsymb = $symb; + } + } + $result.=$extratext.''. + &mt('Select Portfolio Files: (one or more files per submission)').'
'. ''. '
'; - $result .= &show_past_portfile_submission($part,$id); } - $result.=''; + $result.=&Apache::lonhtmlcommon::row_closure(1); return $result; } -sub show_past_file_submission { +sub current_file_submissions { my ($part,$id) = @_; - my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"'); + my $jspart=$part; + $jspart=~s/\./_/g; + my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"}; + my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"}; + return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/)); + my @unversioned; + foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) { + my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$}); + my ($origname,$version,$ext) = &Apache::lonnet::file_name_version_ext($name); + unless ($version) { + push(@unversioned,$file); + } + } + return if (!@unversioned); + my $header = &portpath_popup_js(). + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(); + if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { + $header .= ''.&mt('Delete?').''; + } + $header .= ''.&mt('File').''. + ''.&mt('Size (MB)').''. + ''.&mt('Last Modified').''. + &Apache::loncommon::end_data_table_header_row(); + my ($symb,$crsid,$udom,$uname)=&Apache::lonnet::whichuser(); + my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/); + my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list); + if ($uploadedfile) { + my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}; + my $link = &HTML::Entities::encode($url,'<>&"'); + my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$}); + my ($status,$hashref,$error) = + ¤t_file_info($url,$link,$name,$path); + if ($status eq 'ok') { + push(@{$okfiles{$name}},$url); + $rows{$url} = $hashref; + $legacy{$url} = 1; + &Apache::lonxml::extlink($url); + &Apache::lonnet::allowuploaded('/adm/essayresponse',$url); + } else { + push(@bad_file_list,$error); + } + } + if (@unversioned > 0) { + my $prefix = "/uploaded/$udom/$uname/portfolio"; + foreach my $file (@unversioned) { + my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$}); + my $url = $prefix.$path.$name; + my $uploadedfile = &HTML::Entities::encode($url,'<>&"'); + my ($status,$hashref,$error) = + ¤t_file_info($url,$uploadedfile,$name,$path); + if ($status eq 'ok') { + push(@{$okfiles{$name}},$url); + $rows{$url} = $hashref; + } else { + push(@bad_file_list,$error); + } + } + } + my $num = 0; + foreach my $name (sort(keys(%okfiles))) { + if (ref($okfiles{$name}) eq 'ARRAY') { + foreach my $url (@{$okfiles{$name}}) { + if (ref($rows{$url}) eq 'HASH') { + my $link = $rows{$url}{link}; + my $portfile = $rows{$url}{path}.$rows{$url}{name}; + $portfile = &HTML::Entities::encode($portfile,'<>&"'); + if ($link) { + my $icon=&Apache::loncommon::icon($url); + unless ($header_shown) { + $result .= $header; + $header_shown = 1; + } + $result.= + &Apache::loncommon::start_data_table_row()."\n"; + if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { + $result .= + ''."\n"; + $num ++; + } + my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path'; + my $pathidtext = $pathid.'text'; + my ($showname,$showpath); + if ($legacy{$url}) { + $showname = $name.' '.&mt('not in portfolio'); + } else { + $showname = $name; + $showpath = '
'. + ''. + ''. + &mt('(Show path)').''. + '
'.$rows{$url}{path}.$name. +'
'; + } + $result .= + ''.$showname.''.$showpath.''."\n". + ''.$rows{$url}{size}.''."\n". + ''.$rows{$url}{lastmodified}.''."\n". + &Apache::loncommon::end_data_table_row(); + } + } + } + } + } + if ($header_shown) { + $result .= &Apache::loncommon::end_data_table(); + if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { + $result .= '
'. + &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').''; + } + } + if (@bad_file_list) { + my $bad_files = ''. + join(', ',@bad_file_list). + ''; + $result.='

'. + &mt("These file(s) don't exist: [_1]",$bad_files). + '

'; + } + return $result; +} - return if (!$uploadedfile); +sub current_file_info { + my ($url,$uploadedfile,$name,$path) = @_; + my ($status,$error,%info); + my @stat = &Apache::lonnet::stat_file($url); + if ((@stat) && ($stat[0] ne 'no_such_dir')) { + my ($lastmod,$size); + if ($stat[9] =~ /^\d+$/) { + $lastmod = &Apache::lonlocal::locallocaltime($stat[9]); + } + $size = $stat[7]/(1024*1024); + $size = sprintf("%.3f",$size); + %info = ( + link => $uploadedfile, + name => $name, + path => $path, + size => $size, + lastmodified => $lastmod, + ); + $status = 'ok'; + } else { + &Apache::lonnet::logthis("bad file is $url"); + my $icon=&Apache::loncommon::icon($url); + $error = ''.$uploadedfile.''; + } + return ($status,\%info,$error); +} - my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}; - &Apache::lonxml::extlink($url); - &Apache::lonnet::allowuploaded('/adm/essayresponse',$url); - my $icon=&Apache::loncommon::icon($url); - my $curfile=''.$uploadedfile.''; - return &mt('Currently submitted: [_1]',''.$curfile.''); +sub portpath_popup_js { + my %lt = &Apache::lonlocal::texthash( + show => '(Show path)', + hide => '(Hide)', + ); + return <<"END"; + +END } sub valid_award { my ($award) =@_; foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR', - 'NO_RESPONSE', + 'NO_RESPONSE','WRONG_NUMBOXESCHECKED', 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT', 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', - 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT', + 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT', + 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK', 'INVALID_FILETYPE', - 'EXCESS_FILESIZE', 'DRAFT', - 'SUBMITTED', 'ASSIGNED_SCORE', - 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') { + 'EXCESS_FILESIZE', 'FILENAME_INUSE', + 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT', + 'ANONYMOUS', 'ANONYMOUS_CREDIT', + 'ASSIGNED_SCORE', 'APPROX_ANS', + 'EXACT_ANS','COMMA_FAIL') { if ($award eq $possibleaward) { return 1; } } return 0; @@ -574,12 +915,15 @@ sub valid_award { { my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE', - 'TOO_LONG', + 'WRONG_NUMBOXESCHECKED','TOO_LONG', 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT', - 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', + 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION', + 'WRONG_FORMAT', 'INTERNAL_ERROR', 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK', - 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'DRAFT', 'SUBMITTED', + 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE', + 'DRAFT', 'SUBMITTED', + 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT', 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS'); my $i=0; my %fwd_awards = map { ($_,$i++) } @awards; @@ -603,7 +947,7 @@ sub hide_award { return 1; } if ($award =~ - /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|ASSIGNED_SCORE|INCORRECT)/) { + /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) { return 1; } return 0; @@ -625,6 +969,9 @@ sub finalizeawards { return ('NO_RESPONSE'); } } + + if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; } + if (!$final_scantron && defined($result)) { return ($result); } # if in scantron mode, if the award for any response is @@ -658,6 +1005,23 @@ sub finalizeawards { $j++; } + # if at least one response item is set to include lenient grading + # and that item is partially correct then overall award reflects + # that, unless an award for one of the other response items does + # not fall within the basic awards for correct or incorrect. + if ($Apache::inputtags::leniency) { + if (($$awardref[$which] eq 'INCORRECT') + && (grep { $_ eq 'EXACT_ANS' || + $_ eq 'APPROX_ANS' || + $_ eq 'ASSIGNED_SCORE' } (@$awardref)) + && !((grep { $_ ne 'INCORRECT' && + $_ ne 'EXACT_ANS' && + $_ ne 'APPROX_ANS' && + $_ ne 'ASSIGNED_SCORE' } (@$awardref)))) { + return ('ASSIGNED_SCORE'); + } + } + if (defined($which)) { if (ref($nameref)) { return ($$awardref[$which],$$msgref[$which],$$nameref[$which]); @@ -670,7 +1034,8 @@ sub finalizeawards { } sub decideoutput { - my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_; + my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_; + my $message=''; my $button=0; my $previousmsg; @@ -687,9 +1052,15 @@ sub decideoutput { my $part = $Apache::inputtags::part; my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade"); my $handgrade = ('yes' eq lc($tohandgrade)); +# +# Should "Computer's Answer" be displayed? +# Should not be displayed if still answerable, +# if the problem is handgraded, +# or if the problem does not give a correct answer +# - my $computer = ($handgrade)? '' - : " ".&mt("Computer's answer now shown above."); + my $computer = ($handgrade || $nocorrect)? '' + : &mt("Computer's answer now shown above."); &Apache::lonxml::debug("handgrade has :$handgrade:"); if ($previous) { $previousmsg=&mt('You have entered that answer before'); } @@ -704,8 +1075,8 @@ sub decideoutput { $message=&mt('Incorrect.'); $css_class=$possible_class{'charged_try'}; } - if ($env{'request.filename'} =~ - m|/res/lib/templates/examupload.problem$|) { + if ($handgrade || + ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) { $message = &mt("A score has been assigned."); $added_computer_text=1; } else { @@ -713,7 +1084,9 @@ sub decideoutput { $message = '\textbf{'.$message.'}'; } else { $message = "".$message.""; - $message.= $computer; + if ($computer) { + $message = "$computer $message"; + } } $added_computer_text=1; if ($awarded > 0) { @@ -724,13 +1097,19 @@ sub decideoutput { '.disable_receipt_display'} ne 'yes') && ($Apache::lonhomework::type ne 'practice')) { $message.=(($target eq 'web')?'
':' '). - &mt('Your receipt is [_1]', + &mt('Your receipt no. is [_1]', (&Apache::lonnet::receipt($Apache::inputtags::part). (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):''))); } } } - $button=0; + if ($awarded >= 1) { + $button=0; + } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) { + $button=0; + } else { + $button=1; + } $previousmsg=''; } elsif ($solved =~ /^excused/) { if ($target eq 'tex') { @@ -751,7 +1130,9 @@ sub decideoutput { $message = '\textbf{'.&mt('You are correct.').'}'; } else { $message = "".&mt('You are correct.').""; - $message.= $computer; + if ($computer) { + $message = "$computer $message"; + } } $added_computer_text=1; if ($awarded > 0 @@ -782,6 +1163,13 @@ sub decideoutput { } $css_class=$possible_class{'not_charged_try'}; $button = 1; + } elsif ($award eq 'WRONG_NUMBOXESCHECKED') { + $message = &mt('Number of boxes checked outside permissible range (either too few or too many).'); + if ($target ne 'tex') { + $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked'); + } + $css_class=$possible_class{'not_charged_try'}; + $button = 1; } elsif ($award eq 'ERROR') { $message = &mt('An error occurred while grading your answer.'); $css_class=$possible_class{'not_charged_try'}; @@ -802,12 +1190,21 @@ sub decideoutput { $css_class=$possible_class{'not_charged_try'}; $button=1; } elsif ($award eq 'EXCESS_FILESIZE') { - $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.'); + $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed."); + $css_class=$possible_class{'not_charged_try'}; + $button=1; + } elsif ($award eq 'FILENAME_INUSE') { + $message = &mt('You have already uploaded a file with that filename.'); + if ($target eq 'tex') { + $message.= "\\\\\n"; + } else { + $message .= '
'; + } + $message .= &mt('Please use a different filename.'); $css_class=$possible_class{'not_charged_try'}; $button=1; - } elsif ($award eq 'INVALID_FILETYPE') { - $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.'); + $message = &mt("Submission won't be graded. The type of file submitted is not allowed."); $css_class=$possible_class{'not_charged_try'}; $button=1; } elsif ($award eq 'SIG_FAIL') { @@ -849,6 +1246,18 @@ sub decideoutput { if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')}; $css_class=$possible_class{'not_charged_try'}; $button=1; + } elsif ($award eq 'NOT_FUNCTION') { + $message = &mt("Not a function").'.'; + $css_class=$possible_class{'not_charged_try'}; + $button=1; + } elsif ($award eq 'WRONG_FORMAT') { + $message = &mt("Wrong format").'.'; + $css_class=$possible_class{'not_charged_try'}; + $button=1; + } elsif ($award eq 'INTERNAL_ERROR') { + $message = &mt("An internal error occurred while processing your answer. Please try again later."); + $css_class=$possible_class{'not_charged_try'}; + $button=1; } elsif ($award eq 'INCORRECT') { $message = &mt("Incorrect").'.'; $css_class=$possible_class{'charged_try'}; @@ -857,8 +1266,20 @@ sub decideoutput { $message = &mt("Your submission has been recorded."); $css_class=$possible_class{'no_grade'}; $button=1; + } elsif ($award eq 'SUBMITTED_CREDIT') { + $message = &mt("Your submission has been recorded, and credit awarded."); + $css_class=$possible_class{'correct'}; + $button=1; + } elsif ($award eq 'ANONYMOUS') { + $message = &mt("Your anonymous submission has been recorded."); + $css_class=$possible_class{'no_grade'}; + $button=1; + } elsif ($award eq 'ANONYMOUS_CREDIT') { + $message = &mt("Your anonymous submission has been recorded, and credit awarded."); + $css_class=$possible_class{'correct'}; + $button=1; } elsif ($award eq 'DRAFT') { - $message = &mt("A draft copy has been saved."); + $message = &mt("Copy saved but not submitted."); $css_class=$possible_class{'not_charged_try'}; $button=1; } elsif ($award eq 'ASSIGNED_SCORE') { @@ -880,27 +1301,60 @@ sub decideoutput { my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser(); foreach my $resid(@Apache::inputtags::response){ if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) { - $message.='
'; + if ($target eq 'tex') { + $message.= "\\\\\n"; + } else { + $message.='
'; + } my @files = split(/\s*,\s*/, $Apache::lonhomework::history{"resource.$part.$resid.handback"}); my $file_msg; foreach my $file (@files) { - $file_msg.= '
'.$file.''; + if ($target eq 'tex') { + $file_msg.= "\\\\\n".$file; + } else { + $file_msg.= '
'.$file.''; + } } $message .= &mt('Returned file(s): [_1]',$file_msg); + if ($target eq 'tex') { + $message.= "\\\\\n"; + } else { + $message.='
'; + } } } if (&Apache::lonhomework::hide_problem_status() && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER' && &hide_award($award)) { - $message = &mt("Answer Submitted: Your final submission will be graded after the due date."); + $message = &mt("Answer Submitted: Your final submission will be graded after the due date."); + my @interval= &Apache::lonnet::EXT("resource.$part.interval"); + if ($interval[0] =~ /\d+/) { + my $first_access=&Apache::lonnet::get_first_access($interval[1]); + if (defined($first_access)) { + my $due_date= &Apache::lonnet::EXT("resource.$part.duedate"); + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + unless (($due_date) && ($due_date < $first_access + $timelimit)) { + $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached."); + } + } + } $css_class=$possible_class{'no_grade'}; $button=1; + if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') { + if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') { + $message = 'Answer Submitted'; + } else { + undef($message); + } + } } if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' && !$added_computer_text && $target ne 'tex') { - $message.= $computer; + if ($computer) { + $message = "$computer $message"; + } $added_computer_text=1; } if ($Apache::lonhomework::type eq 'practice') { @@ -911,7 +1365,6 @@ sub decideoutput { } $message.=&mt('Submissions to practice problems are not permanently recorded.'); } - return ($button,$css_class,$message,$previousmsg); } @@ -964,8 +1417,7 @@ sub setgradedata { $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') { $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award; return ''; - } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~ - /^correct/ + } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1 || $Apache::lonhomework::scantronmode || &Apache::lonhomework::hide_problem_status() ) { # the student doesn't already have it correct, @@ -1007,6 +1459,18 @@ sub setgradedata { $Apache::lonhomework::results{"resource.$id.solved"} = $solvemsg; $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; + } elsif ( $award eq 'SUBMITTED_CREDIT' ) { + $Apache::lonhomework::results{"resource.$id.tries"} = + $Apache::lonhomework::history{"resource.$id.tries"} + 1; + $Apache::lonhomework::results{"resource.$id.solved"} = + 'credit_attempted'; + $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; + } elsif ( $award eq 'ANONYMOUS_CREDIT' ) { + $Apache::lonhomework::results{"resource.$id.tries"} = + $Apache::lonhomework::history{"resource.$id.tries"} + 1; + $Apache::lonhomework::results{"resource.$id.solved"} = + 'credit_attempted'; + $Apache::lonhomework::results{"resource.$id.awarded"} = '1'; } elsif ( $award eq 'INCORRECT' ) { $Apache::lonhomework::results{"resource.$id.tries"} = $Apache::lonhomework::history{"resource.$id.tries"} + 1; @@ -1021,6 +1485,11 @@ sub setgradedata { $Apache::lonhomework::history{"resource.$id.tries"} + 1; $Apache::lonhomework::results{"resource.$id.solved"} = 'ungraded_attempted'; + } elsif ( $award eq 'ANONYMOUS' ) { + $Apache::lonhomework::results{"resource.$id.tries"} = + $Apache::lonhomework::history{"resource.$id.tries"} + 1; + $Apache::lonhomework::results{"resource.$id.solved"} = + 'ungraded_attempted'; } elsif ( $award eq 'DRAFT' ) { $Apache::lonhomework::results{"resource.$id.solved"} = ''; } elsif ( $award eq 'NO_RESPONSE' ) { @@ -1069,8 +1538,7 @@ sub setgradedata { $Apache::lonhomework::results{"resource.$id.previous"} = '0'; } } - } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~ - /^correct/ ) { + } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) { #delete all data as they student already has it correct &removealldata($id); #and since they didn't do anything we were never here @@ -1080,6 +1548,11 @@ sub setgradedata { if ($award eq 'SUBMITTED') { &Apache::response::add_to_gradingqueue(); } + $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type; + $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate"); + $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries"); + $Apache::lonhomework::results{"resource.$id.version"} = &Apache::lonnet::usedversion(); + $Apache::lonhomework::results{"resource.$id.maxtries"} = &Apache::lonnet::EXT("resource.$id.maxtries"); } sub find_which_previous { @@ -1159,8 +1632,8 @@ sub grade { } sub get_grade_messages { - my ($id,$prefix,$target,$status) = @_; - + my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_; +# nocorrect suppresses "Computer's answer now shown above" my ($message,$latemessage,$trystr,$previousmsg); my $showbutton = 1; @@ -1174,13 +1647,17 @@ sub get_grade_messages { &Apache::lonxml::debug('Getting message'); ($showbutton,my $css_class,$message,$previousmsg) = &decideoutput($award,$awarded,$awardmsg,$solved,$previous, - $target); + $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass); if ($target eq 'tex') { $message='\vskip 2 mm '.$message.' '; } else { - $message="$message"; + if ($message) { + $message="$message"; + } else { + $message=""; + } if ($previousmsg) { - $previousmsg="$previousmsg"; + $previousmsg="$previousmsg"; } } } @@ -1192,33 +1669,36 @@ sub get_grade_messages { if ( $tries eq '' ) { $tries = '0'; } if ( $maxtries eq '' ) { $maxtries = '2'; } if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; } - my $tries_text=&mt('Tries'); - if ( $Apache::lonhomework::type eq 'survey' || - $Apache::lonhomework::parsing_a_task) { - $tries_text=&mt('Submissions'); - } - + my $tries_text= &get_tries_text(); if ($showbutton) { if ($target eq 'tex') { if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') { - $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '. - $tries.'/'.$maxtries.'} \vskip 2 mm '; + $trystr ='{\vskip 1 mm \small ' + .&mt('[_1]'.$tries_text.'[_2] [_3]' + ,'\textit{','}',$tries.'/'.$maxtries ) + .'} \vskip 2 mm'; } else { $trystr = '\vskip 0 mm '; } } else { - $trystr = "".$tries_text." $tries"; + my $trial =$tries; if ($Apache::lonhomework::parsing_a_task) { } elsif($env{'request.state'} ne 'construct') { - $trystr.="/$maxtries"; + $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target); } else { if (defined($Apache::inputtags::params{'maxtries'})) { - $trystr.="/".$Apache::inputtags::params{'maxtries'}; + $trial.="/".$Apache::inputtags::params{'maxtries'}; } } - $trystr.=""; + + unless (($env{'request.state'} ne "construct") && + ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') && + (!$env{'request.role.adv'})) { + $trystr = ''.&mt($tries_text.' [_1]',$trial).''; + } + $trystr = ''.$trystr.''; } } @@ -1226,7 +1706,7 @@ sub get_grade_messages { #last submissions was after due date $latemessage=&mt(' The last submission was after the Due Date ');; if ($target eq 'web') { - $latemessage=''.$latemessage.''; + $latemessage=''.$latemessage.''; } } return ($previousmsg,$latemessage,$message,$trystr,$showbutton); @@ -1240,6 +1720,7 @@ sub gradestatus { my $trystr=''; my $button=''; my $previousmsg=''; + my $tdclass=''; my $status = $Apache::inputtags::status['-1']; &Apache::lonxml::debug("gradestatus has :$status:"); @@ -1247,25 +1728,39 @@ sub gradestatus { && $status ne 'UNAVAILABLE' && $status ne 'INVALID_ACCESS' && $status ne 'NEEDS_CHECKIN' - && $status ne 'NOT_IN_A_SLOT') { + && $status ne 'NOT_IN_A_SLOT' + && $status ne 'RESERVABLE' + && $status ne 'RESERVABLE_LATER' + && $status ne 'NOTRESERVABLE' + && $status ne 'NEED_DIFFERENT_IP') { + + if ($status eq 'SHOW_ANSWER') { + $showbutton = 0; + } + + unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) { + if ($target ne 'tex') { + $tdclass = 'LC_status_submit_'.$id; + } + } ($previousmsg,$latemessage,$message,$trystr) = &get_grade_messages($id,"resource.$id",$target,$status, - $showbutton); - if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') { + $showbutton,$tdclass); + if ($status eq 'CANNOT_ANSWER') { $showbutton = 0; } if ( $status eq 'SHOW_ANSWER') { undef($previousmsg); } - if ( $showbutton ) { + if ( $showbutton ) { if ($target ne 'tex') { $button = - ''; + ' '. + ''; } } @@ -1279,8 +1774,10 @@ sub gradestatus { } else { $output = ''.$output; - if (!$no_previous) { - $output.=''; + if ((!$no_previous) && + (($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') || + ($env{'request.role.adv'}))) { + $output.=''; } $output.= '
'.$button.''.&previous_tries($id,$target).''.&previous_tries($id,$target).'
'; return $output; @@ -1295,14 +1792,22 @@ sub previous_tries { my $count; my %count_lookup; + my ($lastrndseed,$lasttype); + my $numstamps = 0; foreach my $i (1..$Apache::lonhomework::history{'version'}) { my $prefix = $i.":resource.$id"; - + my $is_anon; + my $curr_type = $Apache::lonhomework::history{"$prefix.type"}; + if (defined($env{'form.grade_symb'})) { + if (($curr_type eq 'anonsurvey') || ($curr_type eq 'anonsurveycred')) { + $is_anon = 1; + } + } next if (!exists($Apache::lonhomework::history{"$prefix.award"})); $count++; $count_lookup{$i} = $count; - + my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"}; my ($previousmsg,$latemessage,$message,$trystr); ($previousmsg,$latemessage,$message,$trystr) = @@ -1320,20 +1825,43 @@ sub previous_tries { ) { my $txt_correct = &mt('Correct'); + my $awarded = $Apache::lonhomework::history{"$prefix.awarded"}; + if ($awarded < 1 && $awarded > 0) { + $txt_correct=&mt('Partially Correct'); + } elsif ($awarded < 1) { + if ($awarded eq '') { + $txt_correct=''; + } else { + $txt_correct=&mt('Incorrect'); + } + } $message =~ s{()(.*?)()} {$1 $txt_correct. $3}s; } my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")"; + if (($curr_rndseed ne '') && ($lastrndseed ne '')) { + if (($curr_rndseed ne $lastrndseed) && + (($curr_type eq 'randomizetry') || ($lasttype eq 'randomizetry'))) { + $trystr .= '
'.&mt('New problem variation this try.').''; + } + } $message =~ s{()}{ $trystr $1}; } my ($class) = ($message =~ m{)}{}; - $output.=''; - $output.=''.$count.''; - $output.=$message; - + $output .= ''. + ''.$count.''.$message; + if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) && + ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') && + ($Apache::lonhomework::history{$i.':timestamp'})) { + $output .= ''.&Apache::lonlocal::locallocaltime( + $Apache::lonhomework::history{$i.':timestamp'}).''; + $numstamps ++; + } else { + $output .= ''; + } foreach my $resid (@Apache::inputtags::response) { my $prefix = $prefix.".$resid"; if (exists($Apache::lonhomework::history{"$prefix.submission"})) { @@ -1343,46 +1871,194 @@ sub previous_tries { $submission = $Apache::lonhomework::history{"$prefix.submission"}; } - $output.=''.$submission.''; + if ($is_anon) { + $output.=''.&mt('(only shown to submitter)').''; + } else { + $output.=''.$submission.''; + } } else { $output.=''; } } $output.=&Apache::loncommon::end_data_table_row()."\n"; + $lastrndseed = $curr_rndseed; + $lasttype = $curr_type; } return if ($output eq ''); - my $headers = - ''.''.&mt('Submission #').''.&mt('Try'). - ''. - &mt('Submitted Answer').''; + my $headers = ''. + ''.&mt('Submission #').''. + ''.&mt('Try').''; + if ($numstamps) { + $headers .= &mt('When'); + } + $headers .= ''; + my $colspan = scalar(@Apache::inputtags::response); + if ($colspan > 1) { + $headers .= ''; + } else { + $headers .= ''; + } + $headers .= &mt('Submitted Answer').''; $output =''.$headers.$output.'
'; - #return $output; - $output = &Apache::loncommon::js_ready($output); - $output.='
'; - - my $windowopen=&Apache::lonhtmlcommon::javascript_docopen(); - my $start_page = - &Apache::loncommon::start_page('Previous Tries', undef, - {'only_body' => 1, - 'bgcolor' => '#FFFFFF', - 'js_ready' => 1, - 'inherit_jsmath' => 1, }); - my $end_page = - &Apache::loncommon::end_page({'js_ready' => 1,}); + + my $tries_text = &get_tries_text('link'); my $prefix = $env{'form.request.prefix'}; $prefix =~ tr{.}{_}; my $function_name = "LONCAPA_previous_tries_".$prefix. $Apache::lonxml::curdepth.'_'.$env{'form.counter'}; - my $result ="".&mt("Previous Tries")."
"; - #use Data::Dumper; - #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display)); + my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."
"; return $result; } +sub get_tries_text { + my ($context) = @_; + my $tries_text; + if ($context eq 'link') { + $tries_text = 'Previous Tries'; + } else { + $tries_text = 'Tries'; + } + if ( $Apache::lonhomework::type eq 'survey' || + $Apache::lonhomework::type eq 'surveycred' || + $Apache::lonhomework::type eq 'anonsurvey' || + $Apache::lonhomework::type eq 'anonsurveycred' || + $Apache::lonhomework::parsing_a_task) { + if ($context eq 'link') { + $tries_text = 'Previous Submissions'; + } else { + $tries_text = 'Submissions'; + } + } + return $tries_text; +} + +sub spelling_languages { + my %langchoices; + foreach my $id (&Apache::loncommon::languageids()) { + my $code = &Apache::loncommon::supportedlanguagecode($id); + if ($code ne '') { + $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id); + } + } + my @spelllangs = ('none'); + foreach my $code ('en','de','he','es','fr','pt','tr') { + push(@spelllangs,[$code,$langchoices{$code}]); + } + return \@spelllangs; +} + +sub edit_mathresponse_button { + my ($field) = @_; + my $eqneditor = 'lcmath'; + if ($env{'browser.type'} eq 'safari') { + if ($env{'browser.os'} eq 'mac') { + my ($prefix,$version) = ($env{'browser.version'} =~ /^(\d*)(\d{3})\./); + if ($env{'browser.mobile'}) { + if (($version < 531) || (($prefix eq '') && ($version < 533))) { + $eqneditor = ''; + } + } elsif ($version < 533) { + $eqneditor = 'dragmath'; + } + } elsif ($env{'browser.os'} eq 'win') { + if ($env{'browser.version'} < 533) { + $eqneditor = 'dragmath'; + } + } + } elsif ($env{'browser.type'} eq 'explorer') { + if ($env{'browser.version'} < 9) { + $eqneditor = 'dragmath'; + } + } elsif ($env{'browser.type'} eq 'mozilla') { + if ($env{'browser.version'} < 5) { + $eqneditor = 'dragmath'; + } else { + if ($env{'browser.info'} =~ /^firefox\-([\d\.]+)/) { + my $firefox = $1; + if ($firefox < 4) { + $eqneditor = 'dragmath'; + } + } + } + } elsif ($env{'browser.type'} eq 'chrome') { + if ($env{'browser.version'} < 5) { + $eqneditor = 'dragmath'; + } + } elsif ($env{'browser.type'} eq 'opera') { + if ($env{'browser.version'} < 12) { + $eqneditor = 'dragmath'; + } + } + if ($eqneditor eq 'lcmath') { + if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) { + if (exists($env{'course.'.$env{'request.course.id'}.'.uselcmath'})) { + if ($env{'course.'.$env{'request.course.id'}.'.uselcmath'} eq '0') { + $eqneditor = 'dragmath'; + } + } else { + my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'}); + if ($domdefs{'uselcmath'} eq '0') { + $eqneditor = 'dragmath'; + } + } + } else { + my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'}); + if ($domdefs{'uselcmath'} eq '0') { + $eqneditor = 'dragmath'; + } + } + } + if ($eqneditor eq 'dragmath') { + # DragMath applet + my $button=&mt('Edit Answer'); +# my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor'); + my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'}; + return(< +function LC_mathedit_${field} (LCtextline) { + thenumber = LCtextline; + var thedata = ''; + if (document.getElementById(LCtextline)) { + thedata = document.getElementById(LCtextline).value; + } + newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable"); +} + +$button +ENDFORMULABUTTON + } elsif ($eqneditor eq 'lcmath') { + # LON-CAPA math equation editor + my $mathjaxjs; + unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') { + $mathjaxjs = <<"MATHJAX_SCRIPT"; +var mathjaxscript = document.createElement("script"); + mathjaxscript.type = "text/javascript"; + mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"; + document.body.appendChild(mathjaxscript); +MATHJAX_SCRIPT + } + return(< + var LCmathField = document.getElementById('${field}'); + LCmathField.className += ' math'; // note the space + LCmathField.setAttribute('data-implicit_operators', 'true'); + var LCMATH_started; + if (typeof LCMATH_started === 'undefined') { + $mathjaxjs + LCMATH_started = true; + var script = document.createElement("script"); + script.type = "text/javascript"; + script.src = "/adm/LC_math_editor/LC_math_editor.min.js"; + document.body.appendChild(script); + window.addEventListener('load', function(e) { + LCMATH.initEditors(); + }, false); + } + +EQ_EDITOR_SCRIPT + } +} + 1; __END__ 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.