version 1.2, 2001/07/26 15:50:25
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version 1.15, 2001/12/11 23:38:28
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# The LearningOnline Network |
# The LearningOnline Network with CAPA |
# a pile of common routines |
# a pile of common routines |
# 2/13 Guy Albertelli |
# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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# YEAR=2001 |
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# 2/13-12/7 Guy Albertelli |
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# 12/11 Scott Harrison |
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# Makes a table out of the previous attempts |
# Makes a table out of the previous attempts |
# Inputs result_from_symbread, user, domain, course_id |
# Inputs result_from_symbread, user, domain, course_id |
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package Apache::loncommon; |
package Apache::loncommon; |
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use strict; |
use strict; |
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use POSIX qw(strftime); |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use Apache::lonmsg(); |
use Apache::lonmsg(); |
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my %language; |
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my %cprtag; |
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my %fe; my %fd; |
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my %fc; |
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# ----------------------------------------------------------------------- BEGIN |
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sub BEGIN { |
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# ------------------------------------------------------------------- languages |
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{ |
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my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. |
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'/language.tab'); |
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while (<$fh>) { |
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next if /^\#/; |
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chomp; |
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my ($key,$val)=(split(/\s+/,$_,2)); |
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$language{$key}=$val; |
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} |
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} |
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# ------------------------------------------------------------------ copyrights |
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{ |
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my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. |
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'/copyright.tab'); |
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while (<$fh>) { |
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next if /^\#/; |
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chomp; |
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my ($key,$val)=(split(/\s+/,$_,2)); |
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$cprtag{$key}=$val; |
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} |
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} |
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# ------------------------------------------------------------- file categories |
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{ |
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my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. |
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'/filecategories.tab'); |
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while (<$fh>) { |
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next if /^\#/; |
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chomp; |
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my ($key,$val)=(split(/\s+/,$_,2)); |
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push @{$fc{$key}},$val; |
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} |
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} |
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# ------------------------------------------------------------------ file types |
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{ |
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my $fh=Apache::File->new("$perlvar{'lonTabDir'}/filetypes.tab"); |
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while (<$fh>) { |
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next if (/^\#/); |
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chomp; |
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my ($ending,$emb,$descr)=split(/\s+/,$_,3); |
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if ($descr ne '') { |
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$fe{$ending}=lc($emb); |
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$fd{$ending}=join(' ',@descr); |
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} |
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} |
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} |
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} |
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# ---------------------------------------------------------------- Language IDs |
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sub languageids { |
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return keys(%language); |
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} |
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# -------------------------------------------------------- Language Description |
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sub languagedescription { |
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return $language{shift}; |
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} |
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# --------------------------------------------------------------- Copyright IDs |
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sub copyrightids { |
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return keys(%cprtag); |
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} |
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# ------------------------------------------------------- Copyright Description |
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sub copyrightdescription { |
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return $cprtag{shift}; |
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} |
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# ------------------------------------------------------------- File Categories |
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sub filecategories { |
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return keys(%fc); |
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} |
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# ------------------------------------------------------------- File Categories |
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sub filecategorytypes { |
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return @{$fc{lc(shift)}}; |
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} |
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# ------------------------------------------------------------------ File Types |
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sub fileextensions { |
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return keys(%fe); |
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} |
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# ------------------------------------------------------------- Embedding Style |
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sub fileembstyle { |
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return $fe{lc(shift)}; |
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} |
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# ------------------------------------------------------------ Description Text |
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sub filedescription { |
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return $fd{lc(shift)}; |
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} |
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sub get_previous_attempt { |
sub get_previous_attempt { |
my ($symb,$username,$domain,$course)=@_; |
my ($symb,$username,$domain,$course)=@_; |
my $prevattempts=''; |
my $prevattempts=''; |
if ($symb) { |
if ($symb) { |
my $answer=&Apache::lonnet::reply( |
my (%returnhash)= |
"restore:".$domain.':'.$username.':'.$course.':'. |
&Apache::lonnet::restore($symb,$course,$domain,$username); |
&Apache::lonnet::escape($symb)); |
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my %returnhash=(); |
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map { |
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my ($name,$value)=split(/\=/,$_); |
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$returnhash{&Apache::lonnet::unescape($name)}= |
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&Apache::lonnet::unescape($value); |
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} split(/\&/,$answer); |
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if ($returnhash{'version'}) { |
if ($returnhash{'version'}) { |
my %lasthash=(); |
my %lasthash=(); |
my $version; |
my $version; |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
map { |
map { |
$lasthash{$_}=$returnhash{$version.':'.$_}; |
$lasthash{$_}=$returnhash{$version.':'.$_}; |
} split(/\:/,$returnhash{$version.':keys'}); |
} sort(split(/\:/,$returnhash{$version.':keys'})); |
} |
} |
$prevattempts='<table border=2></tr><th>History</th>'; |
$prevattempts='<table border=2></tr><th>History</th>'; |
map { |
map { |
$prevattempts.='<th>'.$_.'</th>'; |
$prevattempts.='<th>'.$_.'</th>'; |
} keys %lasthash; |
} sort(keys %lasthash); |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
$prevattempts.='</tr><tr><th>Attempt '.$version.'</th>'; |
$prevattempts.='</tr><tr><th>Attempt '.$version.'</th>'; |
map { |
map { |
$prevattempts.='<td>'.$returnhash{$version.':'.$_}.'</td>'; |
my $value; |
} keys %lasthash; |
if ($_ =~ /timestamp/) { |
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$value=scalar(localtime($returnhash{$version.':'.$_})); |
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} else { |
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$value=$returnhash{$version.':'.$_}; |
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} |
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$prevattempts.='<td>'.$value.'</td>'; |
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} sort(keys %lasthash); |
} |
} |
$prevattempts.='</tr><tr><th>Current</th>'; |
$prevattempts.='</tr><tr><th>Current</th>'; |
map { |
map { |
$prevattempts.='<td>'.$lasthash{$_}.'</td>'; |
my $value; |
} keys %lasthash; |
if ($_ =~ /timestamp/) { |
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$value=scalar(localtime($lasthash{$_})); |
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} else { |
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$value=$lasthash{$_}; |
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} |
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$prevattempts.='<td>'.$value.'</td>'; |
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} sort(keys %lasthash); |
$prevattempts.='</tr></table>'; |
$prevattempts.='</tr></table>'; |
} else { |
} else { |
$prevattempts='Nothing submitted - no attempts.'; |
$prevattempts='Nothing submitted - no attempts.'; |
Line 55 sub get_previous_attempt {
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Line 188 sub get_previous_attempt {
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} |
} |
} |
} |
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sub get_student_view { |
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my ($symb,$username,$domain,$courseid) = @_; |
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my ($map,$id,$feedurl) = split(/___/,$symb); |
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my (%old,%moreenv); |
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my @elements=('symb','courseid','domain','username'); |
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foreach my $element (@elements) { |
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$old{$element}=$ENV{'form.grade_'.$element}; |
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$moreenv{'form.grade_'.$element}=eval '$'.$element #' |
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} |
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&Apache::lonnet::appenv(%moreenv); |
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my $userview=&Apache::lonnet::ssi('/res/'.$feedurl); |
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&Apache::lonnet::delenv('form.grade_'); |
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foreach my $element (@elements) { |
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$ENV{'form.grade_'.$element}=$old{$element}; |
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} |
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$userview=~s/\<body[^\>]*\>//gi; |
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$userview=~s/\<\/body\>//gi; |
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$userview=~s/\<html\>//gi; |
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$userview=~s/\<\/html\>//gi; |
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$userview=~s/\<head\>//gi; |
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$userview=~s/\<\/head\>//gi; |
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$userview=~s/action\s*\=/would_be_action\=/gi; |
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return $userview; |
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} |
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sub get_student_answers { |
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my ($symb,$username,$domain,$courseid) = @_; |
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my ($map,$id,$feedurl) = split(/___/,$symb); |
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my (%old,%moreenv); |
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my @elements=('symb','courseid','domain','username'); |
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foreach my $element (@elements) { |
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$old{$element}=$ENV{'form.grade_'.$element}; |
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$moreenv{'form.grade_'.$element}=eval '$'.$element #' |
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} |
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$moreenv{'form.grade_target'}='answer'; |
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&Apache::lonnet::appenv(%moreenv); |
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my $userview=&Apache::lonnet::ssi('/res/'.$feedurl); |
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&Apache::lonnet::delenv('form.grade_'); |
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foreach my $element (@elements) { |
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$ENV{'form.grade_'.$element}=$old{$element}; |
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} |
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$userview=~s/\<body[^\>]*\>//gi; |
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$userview=~s/\<\/body\>//gi; |
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$userview=~s/\<html\>//gi; |
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$userview=~s/\<\/html\>//gi; |
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$userview=~s/\<head\>//gi; |
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$userview=~s/\<\/head\>//gi; |
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$userview=~s/action\s*\=/would_be_action\=/gi; |
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return $userview; |
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} |
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sub get_unprocessed_cgi { |
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my ($query)= @_; |
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map { |
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my ($name, $value) = split(/=/,$_); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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if (!defined($ENV{'form.'.$name})) { $ENV{'form.'.$name}=$value; } |
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} (split(/&/,$query)); |
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} |
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sub cacheheader { |
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my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); |
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my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" /> |
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<meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" /> |
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<meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />'; |
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return $output; |
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} |
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sub no_cache { |
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my ($r) = @_; |
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my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); |
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$r->no_cache(1); |
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$r->header_out("Pragma" => "no-cache"); |
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$r->header_out("Expires" => $date); |
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} |
1; |
1; |
__END__; |
__END__; |