--- loncom/interface/loncommon.pm 2004/11/21 04:24:49 1.233 +++ loncom/interface/loncommon.pm 2006/05/09 20:25:05 1.367 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.233 2004/11/21 04:24:49 raeburn Exp $ +# $Id: loncommon.pm,v 1.367 2006/05/09 20:25:05 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -55,13 +55,15 @@ redundancy from other modules and increa package Apache::loncommon; use strict; -use Apache::lonnet(); +use Apache::lonnet; use GDBM_File; use POSIX qw(strftime mktime); -use Apache::Constants qw(:common :http :methods); use Apache::lonmenu(); use Apache::lonlocal; use HTML::Entities; +use Apache::lonhtmlcommon(); +use Apache::loncoursedata(); +use Apache::lontexconvert(); my $readit; @@ -74,7 +76,7 @@ my %language; my %supported_language; my %cprtag; my %scprtag; -my %fe; my %fd; +my %fe; my %fd; my %fm; my %category_extensions; # ---------------------------------------------- Designs @@ -105,10 +107,10 @@ BEGIN { my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/language.tab'; if ( open(my $fh,"<$langtabfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_)); + while (my $line = <$fh>) { + next if ($line=~/^\#/); + chomp($line); + my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line)); $language{$key}=$val.' - '.$enc; if ($sup) { $supported_language{$key}=$sup; @@ -122,24 +124,24 @@ BEGIN { my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/copyright.tab'; if ( open (my $fh,"<$copyrightfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\s+/,$_,2)); + while (my $line = <$fh>) { + next if ($line=~/^\#/); + chomp($line); + my ($key,$val)=(split(/\s+/,$line,2)); $cprtag{$key}=$val; } close($fh); } } -# ------------------------------------------------------------------ source copyrights +# ----------------------------------------------------------- source copyrights { my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/source_copyright.tab'; if ( open (my $fh,"<$sourcecopyrightfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\s+/,$_,2)); + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($key,$val)=(split(/\s+/,$line,2)); $scprtag{$key}=$val; } close($fh); @@ -152,19 +154,20 @@ BEGIN { my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors'; opendir(DIR,$designdir); while ($filename=readdir(DIR)) { + if ($filename!~/\.tab$/) { next; } my ($domain)=($filename=~/^(\w+)\./); - { - my $designfile = $designdir.'/'.$filename; - if ( open (my $fh,"<$designfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\=/,$_)); - if ($val) { $designhash{$domain.'.'.$key}=$val; } - } - close($fh); - } - } + { + my $designfile = $designdir.'/'.$filename; + if ( open (my $fh,"<$designfile") ) { + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($key,$val)=(split(/\=/,$line)); + if ($val) { $designhash{$domain.'.'.$key}=$val; } + } + close($fh); + } + } } closedir(DIR); @@ -175,10 +178,10 @@ BEGIN { my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filecategories.tab'; if ( open (my $fh,"<$categoryfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($extension,$category)=(split(/\s+/,$_,2)); + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($extension,$category)=(split(/\s+/,$line,2)); push @{$category_extensions{lc($category)}},$extension; } close($fh); @@ -190,13 +193,14 @@ BEGIN { my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filetypes.tab'; if ( open (my $fh,"<$typesfile") ) { - while (<$fh>) { - next if (/^\#/); - chomp; - my ($ending,$emb,$descr)=split(/\s+/,$_,3); + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4); if ($descr ne '') { $fe{$ending}=lc($emb); $fd{$ending}=$descr; + if ($mime ne 'unk') { $fm{$ending}=$mime; } } } close($fh); @@ -311,8 +315,8 @@ END } sub lastresurl { - if ($ENV{'environment.lastresurl'}) { - return $ENV{'environment.lastresurl'} + if ($env{'environment.lastresurl'}) { + return $env{'environment.lastresurl'} } else { return '/res'; } @@ -329,9 +333,12 @@ sub storeresurl { sub studentbrowser_javascript { unless ( - (($ENV{'request.course.id'}) && - (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) - || ($ENV{'request.role'}=~/^(au|dc|su)/) + (($env{'request.course.id'}) && + (&Apache::lonnet::allowed('srm',$env{'request.course.id'}) + || &Apache::lonnet::allowed('srm',$env{'request.course.id'}. + '/'.$env{'request.course.sec'}) + )) + || ($env{'request.role'}=~/^(au|dc|su)/) ) { return ''; } return (<<'ENDSTDBRW'); (Help Menu) @@ -727,12 +788,12 @@ ENDTEMPLATE sub help_open_bug { my ($topic, $text, $stayOnPage, $width, $height) = @_; - unless ($ENV{'user.adv'}) { return ''; } + unless ($env{'user.adv'}) { return ''; } unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; } $text = "" if (not defined $text); $stayOnPage = 0 if (not defined $stayOnPage); - if ($ENV{'browser.interface'} eq 'textual' || - $ENV{'environment.remote'} eq 'off' ) { + if ($env{'browser.interface'} eq 'textual' || + $env{'environment.remote'} eq 'off' ) { $stayOnPage=1; } $width = 600 if (not defined $width); @@ -772,12 +833,12 @@ ENDTEMPLATE sub help_open_faq { my ($topic, $text, $stayOnPage, $width, $height) = @_; - unless ($ENV{'user.adv'}) { return ''; } + unless ($env{'user.adv'}) { return ''; } unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; } $text = "" if (not defined $text); $stayOnPage = 0 if (not defined $stayOnPage); - if ($ENV{'browser.interface'} eq 'textual' || - $ENV{'environment.remote'} eq 'off' ) { + if ($env{'browser.interface'} eq 'textual' || + $env{'environment.remote'} eq 'off' ) { $stayOnPage=1; } $width = 350 if (not defined $width); @@ -820,6 +881,98 @@ ENDTEMPLATE =pod +=item * change_content_javascript(): + +This and the next function allow you to create small sections of an +otherwise static HTML page that you can update on the fly with +Javascript, even in Netscape 4. + +The Javascript fragment returned by this function (no EscriptE tag) +must be written to the HTML page once. It will prove the Javascript +function "change(name, content)". Calling the change function with the +name of the section +you want to update, matching the name passed to C, and +the new content you want to put in there, will put the content into +that area. + +B: Netscape 4 only reserves enough space for the changable area +to contain room for the original contents. You need to "make space" +for whatever changes you wish to make, and be B to check your +code in Netscape 4. This feature in Netscape 4 is B powerful; +it's adequate for updating a one-line status display, but little more. +This script will set the space to 100% width, so you only need to +worry about height in Netscape 4. + +Modern browsers are much less limiting, and if you can commit to the +user not using Netscape 4, this feature may be used freely with +pretty much any HTML. + +=cut + +sub change_content_javascript { + # If we're on Netscape 4, we need to use Layer-based code + if ($env{'browser.type'} eq 'netscape' && + $env{'browser.version'} =~ /^4\./) { + return (<. $name is +the name you will use to reference the area later; do not repeat the +same name on a given HTML page more then once. $origContent is what +the area will originally contain, which can be left blank. + +=cut + +sub changable_area { + my ($name, $origContent) = @_; + + if ($env{'browser.type'} eq 'netscape' && + $env{'browser.version'} =~ /^4\./) { + # If this is netscape 4, we need to use the Layer tag + return "$origContent"; + } else { + return "$origContent"; + } +} + +=pod + +=back + +=head1 Excel and CSV file utility routines + +=over 4 + +=cut + +############################################################### +############################################################### + +=pod + =item * csv_translate($text) Translate $text to allow it to be output as a 'comma separated values' @@ -836,7 +989,6 @@ sub csv_translate { return $text; } - ############################################################### ############################################################### @@ -860,6 +1012,10 @@ Currently supported formats: =item h3 +=item h4 + +=item i + =item date =back @@ -882,6 +1038,8 @@ sub define_excel_formats { $format->{'h1'} = $workbook->add_format(bold=>1, size=>18); $format->{'h2'} = $workbook->add_format(bold=>1, size=>16); $format->{'h3'} = $workbook->add_format(bold=>1, size=>14); + $format->{'h4'} = $workbook->add_format(bold=>1, size=>12); + $format->{'i'} = $workbook->add_format(italic=>1); $format->{'date'} = $workbook->add_format(num_format=> 'mm/dd/yyyy hh:mm:ss'); return $format; @@ -892,84 +1050,83 @@ sub define_excel_formats { =pod -=item * change_content_javascript(): - -This and the next function allow you to create small sections of an -otherwise static HTML page that you can update on the fly with -Javascript, even in Netscape 4. +=item * create_workbook -The Javascript fragment returned by this function (no EscriptE tag) -must be written to the HTML page once. It will prove the Javascript -function "change(name, content)". Calling the change function with the -name of the section -you want to update, matching the name passed to C, and -the new content you want to put in there, will put the content into -that area. +Create an Excel worksheet. If it fails, output message on the +request object and return undefs. -B: Netscape 4 only reserves enough space for the changable area -to contain room for the original contents. You need to "make space" -for whatever changes you wish to make, and be B to check your -code in Netscape 4. This feature in Netscape 4 is B powerful; -it's adequate for updating a one-line status display, but little more. -This script will set the space to 100% width, so you only need to -worry about height in Netscape 4. +Inputs: Apache request object -Modern browsers are much less limiting, and if you can commit to the -user not using Netscape 4, this feature may be used freely with -pretty much any HTML. +Returns (undef) on failure, + Excel worksheet object, scalar with filename, and formats + from &Apache::loncommon::define_excel_formats on success =cut -sub change_content_javascript { - # If we're on Netscape 4, we need to use Layer-based code - if ($ENV{'browser.type'} eq 'netscape' && - $ENV{'browser.version'} =~ /^4\./) { - return (<new('/home/httpd'.$filename); + if (! defined($workbook)) { + $r->log_error("Error creating excel spreadsheet $filename: $!"); + $r->print('

'.&mt("Unable to create new Excel file. ". + "This error has been logged. ". + "Please alert your LON-CAPA administrator"). + '

'); + return (undef); } + # + $workbook->set_tempdir('/home/httpd/perl/tmp'); + # + my $format = &Apache::loncommon::define_excel_formats($workbook); + return ($workbook,$filename,$format); } +############################################################### +############################################################### + =pod -=item * changable_area($name, $origContent): +=item * create_text_file -This provides a "changable area" that can be modified on the fly via -the Javascript code provided in C. $name is -the name you will use to reference the area later; do not repeat the -same name on a given HTML page more then once. $origContent is what -the area will originally contain, which can be left blank. +Create a file to write to and eventually make available to the usre. +If file creation fails, outputs an error message on the request object and +return undefs. -=cut +Inputs: Apache request object, and file suffix -sub changable_area { - my ($name, $origContent) = @_; +Returns (undef) on failure, + Filehandle and filename on success. - if ($ENV{'browser.type'} eq 'netscape' && - $ENV{'browser.version'} =~ /^4\./) { - # If this is netscape 4, we need to use the Layer tag - return "$origContent"; - } else { - return "$origContent"; +=cut + +############################################################### +############################################################### +sub create_text_file { + my ($r,$suffix) = @_; + if (! defined($suffix)) { $suffix = 'txt'; }; + my $fh; + my $filename = '/prtspool/'. + $env{'user.name'}.'_'.$env{'user.domain'}.'_'. + time.'_'.rand(1000000000).'.'.$suffix; + $fh = Apache::File->new('>/home/httpd'.$filename); + if (! defined($fh)) { + $r->log_error("Couldn't open $filename for output $!"); + $r->print("Problems occured in creating the output file. ". + "This error has been logged. ". + "Please alert your LON-CAPA administrator."); } + return ($fh,$filename) } -=pod + +=pod =back @@ -997,8 +1154,8 @@ sub get_domains { # The code below was stolen from "The Perl Cookbook", p 102, 1st ed. my @domains; my %seen; - foreach (sort values(%Apache::lonnet::hostdom)) { - push (@domains,$_) unless $seen{$_}++; + foreach my $dom (sort(values(%Apache::lonnet::hostdom))) { + push(@domains,$dom) unless $seen{$dom}++; } return @domains; } @@ -1012,27 +1169,49 @@ sub domain_select { } &get_domains; if ($multiple) { $domains{''}=&mt('Any domain'); - return &multiple_select_form($name,$value,4,%domains); + return &multiple_select_form($name,$value,4,\%domains); } else { return &select_form($name,$value,%domains); } } +#------------------------------------------- + +=pod + +=item * multiple_select_form($name,$value,$size,$hash,$order) + +Returns a string containing a element + $value - sclara or array ref of values that should already be selected + $size - number of rows long the select element is + $hash - the elements should be 'option' => 'shown text' + (shown text should already have been &mt()) + $order - (optional) array ref of the order to show the elments in + +=cut + +#------------------------------------------- sub multiple_select_form { - my ($name,$value,$size,%hash)=@_; + my ($name,$value,$size,$hash,$order)=@_; my %selected = map { $_ => 1 } ref($value)?@{$value}:($value); my $output=''; if (! defined($size)) { $size = 4; - if (scalar(keys(%hash))<4) { - $size = scalar(keys(%hash)); + if (scalar(keys(%$hash))<4) { + $size = scalar(keys(%$hash)); } } $output.="\n\n"; return $output; @@ -1060,10 +1239,11 @@ sub select_form { } else { @keys=sort(keys(%hash)); } - foreach (@keys) { - $selectform.="\n"; + foreach my $key (@keys) { + $selectform.= + '\n"; } $selectform.=""; return $selectform; @@ -1099,7 +1279,7 @@ sub select_level_form { my $selectform = ""; @@ -1127,10 +1307,10 @@ sub select_dom_form { my @domains = get_domains(); if ($includeempty) { @domains=('',@domains); } my $selectdomain = ""; return $selectdomain; @@ -1152,9 +1332,9 @@ given $domain. sub get_library_servers { my $domain = shift; my %library_servers; - foreach (keys(%Apache::lonnet::libserv)) { - if ($Apache::lonnet::hostdom{$_} eq $domain) { - $library_servers{$_} = $Apache::lonnet::hostname{$_}; + foreach my $hostid (keys(%Apache::lonnet::libserv)) { + if ($Apache::lonnet::hostdom{$hostid} eq $domain) { + $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid}; } } return %library_servers; @@ -1176,9 +1356,10 @@ sub home_server_option_list { my $domain = shift; my %servers = &get_library_servers($domain); my $result = ''; - foreach (sort keys(%servers)) { + foreach my $hostid (sort(keys(%servers))) { $result.= - '\n"; + '\n"; } return $result; } @@ -1228,9 +1409,11 @@ Outputs: ############################################################### ############################################################### sub decode_user_agent { + my ($r)=@_; my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"}); my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"}); my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; + if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); } my $clientbrowser='unknown'; my $clientversion='0'; my $clientmathml=''; @@ -1426,10 +1609,11 @@ sub authform_nochange{ kerb_def_dom => 'MSU.EDU', @_, ); - my $result = &mt('[_1] Do not change login data', + my $result = ''; return $result; } @@ -1461,14 +1645,15 @@ sub authform_kerberos{ my $jscall = "javascript:changed_radio('krb',$in{'formname'});"; my $result .= &mt ('[_1] Kerberos authenticated with domain [_2] '. - '[_3] Version 4 [_4] Version 5', - '', - '', - '', - ''); + ''); return $result; } @@ -1493,9 +1678,9 @@ sub authform_internal{ my $jscall = "javascript:changed_radio('int',$args{'formname'});"; my $result.=&mt ('[_1] Internally authenticated (with initial password [_2])', - '', - ''); return $result; } @@ -1520,9 +1705,9 @@ sub authform_local{ my $jscall = "javascript:changed_radio('loc',$in{'formname'});"; my $result.=&mt('[_1] Local Authentication with argument [_2]', - '', - ''); return $result; } @@ -1536,9 +1721,9 @@ sub authform_filesystem{ my $jscall = "javascript:changed_radio('fsys',$in{'formname'});"; my $result.= &mt ('[_1] Filesystem Authenticated (with initial password [_2])', - '', - ''); return $result; } @@ -1664,8 +1849,8 @@ sub initialize_keywords { } untie %thesaurus_db; # Remove special values from %Keywords. - foreach ('total.count','average.count') { - delete($Keywords{$_}) if (exists($Keywords{$_})); + foreach my $value ('total.count','average.count') { + delete($Keywords{$value}) if (exists($Keywords{$value})); } return 1; } @@ -1721,11 +1906,11 @@ sub get_related_words { } my @Words=(); if (exists($thesaurus_db{$keyword})) { - $_ = $thesaurus_db{$keyword}; - (undef,@Words) = split/:/; # The first element is the number of times - # the word appears. We do not need it now. + # The first element is the number of times + # the word appears. We do not need it now. + (undef,@Words) = (split(/:/,$thesaurus_db{$keyword})); for (my $i=0;$i<=$#Words;$i++) { - ($Words[$i],undef)= split/\,/,$Words[$i]; + ($Words[$i],undef)= split(/\,/,$Words[$i]); } } untie %thesaurus_db; @@ -1754,12 +1939,11 @@ if $first is set to 'lastname' then it r =cut + ############################################################### sub plainname { my ($uname,$udom,$first)=@_; - my %names=&Apache::lonnet::get('environment', - ['firstname','middlename','lastname','generation'], - $udom,$uname); + my %names=&getnames($uname,$udom); my $name=&Apache::lonnet::format_name($names{'firstname'}, $names{'middlename'}, $names{'lastname'}, @@ -1767,7 +1951,7 @@ sub plainname { $name=~s/^\s+//; $name=~s/\s+$//; $name=~s/\s+/ /g; - if ($name !~ /\S/) { $name=$uname.'@'.$udom; } + if ($name !~ /\S/) { $name=$uname.':'.$udom; } return $name; } @@ -1790,19 +1974,7 @@ if the user does not sub nickname { my ($uname,$udom)=@_; - my %names; - if ($uname eq $ENV{'user.name'} && - $udom eq $ENV{'user.domain'}) { - %names=('nickname' => $ENV{'environment.nickname'} , - 'firstname' => $ENV{'environment.firstname'} , - 'middlename' => $ENV{'environment.middlename'}, - 'lastname' => $ENV{'environment.lastname'} , - 'generation' => $ENV{'environment.generation'}); - } else { - %names=&Apache::lonnet::get('environment', - ['nickname','firstname','middlename', - 'lastname','generation'],$udom,$uname); - } + my %names=&getnames($uname,$udom); my $name=$names{'nickname'}; if ($name) { $name='"'.$name.'"'; @@ -1815,6 +1987,20 @@ sub nickname { return $name; } +sub getnames { + my ($uname,$udom)=@_; + my $id=$uname.':'.$udom; + my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id); + if ($cached) { + return %{$names}; + } else { + my %loadnames=&Apache::lonnet::get('environment', + ['firstname','middlename','lastname','generation','nickname'], + $udom,$uname); + &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames); + return %loadnames; + } +} # ------------------------------------------------------------------ Screenname @@ -1828,8 +2014,8 @@ Gets a users screenname and returns it a sub screenname { my ($uname,$udom)=@_; - if ($uname eq $ENV{'user.name'} && - $udom eq $ENV{'user.domain'}) {return $ENV{'environment.screenname'};} + if ($uname eq $env{'user.name'} && + $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};} my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname); return $names{'screenname'}; } @@ -1871,24 +2057,23 @@ sub syllabuswrapper { } sub track_student_link { - my ($linktext,$sname,$sdom,$target) = @_; - my $link ="/adm/trackstudent"; + my ($linktext,$sname,$sdom,$target,$start) = @_; + my $link ="/adm/trackstudent?"; my $title = 'View recent activity'; if (defined($sname) && $sname !~ /^\s*$/ && defined($sdom) && $sdom !~ /^\s*$/) { - $link .= "?selected_student=$sname:$sdom"; + $link .= "selected_student=$sname:$sdom"; $title .= ' of this student'; - } + } if (defined($target) && $target !~ /^\s*$/) { $target = qq{target="$target"}; } else { $target = ''; } + if ($start) { $link.='&start='.$start; } return qq{$linktext}; } - - =pod =back @@ -2002,7 +2187,8 @@ category =cut sub filecategorytypes { - return @{$category_extensions{lc($_[0])}}; + my ($cat) = @_; + return @{$category_extensions{lc($cat)}}; } =pod @@ -2017,6 +2203,10 @@ sub fileembstyle { return $fe{lc(shift(@_))}; } +sub filemimetype { + return $fm{lc(shift(@_))}; +} + sub filecategoryselect { my ($name,$value)=@_; @@ -2073,13 +2263,13 @@ sub fileextensions { sub display_languages { my %languages=(); - foreach (&preferred_languages()) { - $languages{$_}=1; + foreach my $lang (&preferred_languages()) { + $languages{$lang}=1; } &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']); - if ($ENV{'form.displaylanguage'}) { - foreach (split(/\s*(\,|\;|\:)\s*/,$ENV{'form.displaylanguage'})) { - $languages{$_}=1; + if ($env{'form.displaylanguage'}) { + foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) { + $languages{$lang}=1; } } return %languages; @@ -2087,24 +2277,24 @@ sub display_languages { sub preferred_languages { my @languages=(); - if ($ENV{'course.'.$ENV{'request.course.id'}.'.languages'}) { + if ($env{'course.'.$env{'request.course.id'}.'.languages'}) { @languages=(@languages,split(/\s*(\,|\;|\:)\s*/, - $ENV{'course.'.$ENV{'request.course.id'}.'.languages'})); + $env{'course.'.$env{'request.course.id'}.'.languages'})); } - if ($ENV{'environment.languages'}) { - @languages=split(/\s*(\,|\;|\:)\s*/,$ENV{'environment.languages'}); + if ($env{'environment.languages'}) { + @languages=split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}); } my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0]; if ($browser) { @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser)); } - if ($Apache::lonnet::domain_lang_def{$ENV{'user.domain'}}) { + if ($Apache::lonnet::domain_lang_def{$env{'user.domain'}}) { @languages=(@languages, - $Apache::lonnet::domain_lang_def{$ENV{'user.domain'}}); + $Apache::lonnet::domain_lang_def{$env{'user.domain'}}); } - if ($Apache::lonnet::domain_lang_def{$ENV{'request.role.domain'}}) { + if ($Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}) { @languages=(@languages, - $Apache::lonnet::domain_lang_def{$ENV{'request.role.domain'}}); + $Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}); } if ($Apache::lonnet::domain_lang_def{ $Apache::lonnet::perlvar{'lonDefDomain'}}) { @@ -2114,11 +2304,11 @@ sub preferred_languages { } # turn "en-ca" into "en-ca,en" my @genlanguages; - foreach (@languages) { - unless ($_=~/\w/) { next; } - push (@genlanguages,$_); - if ($_=~/(\-|\_)/) { - push (@genlanguages,(split(/(\-|\_)/,$_))[0]); + foreach my $lang (@languages) { + unless ($lang=~/\w/) { next; } + push (@genlanguages,$lang); + if ($lang=~/(\-|\_)/) { + push(@genlanguages,(split(/(\-|\_)/,$lang))[0]); } } return @genlanguages; @@ -2174,14 +2364,14 @@ sub get_previous_attempt { my %lasthash=(); my $version; for ($version=1;$version<=$returnhash{'version'};$version++) { - foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) { - $lasthash{$_}=$returnhash{$version.':'.$_}; + foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) { + $lasthash{$key}=$returnhash{$version.':'.$key}; } } $prevattempts='
'; $prevattempts.=''; - foreach (sort(keys %lasthash)) { - my ($ign,@parts) = split(/\./,$_); + foreach my $key (sort(keys(%lasthash))) { + my ($ign,@parts) = split(/\./,$key); if ($#parts > 0) { my $data=$parts[-1]; pop(@parts); @@ -2197,27 +2387,27 @@ sub get_previous_attempt { if ($getattempt eq '') { for ($version=1;$version<=$returnhash{'version'};$version++) { $prevattempts.=''; - foreach (sort(keys %lasthash)) { + foreach my $key (sort(keys(%lasthash))) { my $value; - if ($_ =~ /timestamp/) { - $value=scalar(localtime($returnhash{$version.':'.$_})); + if ($key =~ /timestamp/) { + $value=scalar(localtime($returnhash{$version.':'.$key})); } else { - $value=$returnhash{$version.':'.$_}; + $value=$returnhash{$version.':'.$key}; } $prevattempts.=''; } } } $prevattempts.=''; - foreach (sort(keys %lasthash)) { + foreach my $key (sort(keys(%lasthash))) { my $value; - if ($_ =~ /timestamp/) { - $value=scalar(localtime($lasthash{$_})); + if ($key =~ /timestamp/) { + $value=scalar(localtime($lasthash{$key})); } else { - $value=$lasthash{$_}; + $value=$lasthash{$key}; } $value=&Apache::lonnet::unescape($value); - if ($_ =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} + if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} $prevattempts.=''; } $prevattempts.='
History
Transaction '.$version.''.&Apache::lonnet::unescape($value).' 
Current'.$value.' 
'; @@ -2249,14 +2439,14 @@ sub relative_to_absolute { } } $thisdir=~s-/[^/]*$--; - foreach (@rlinks) { - unless (($_=~/^http:\/\//i) || - ($_=~/^\//) || - ($_=~/^javascript:/i) || - ($_=~/^mailto:/i) || - ($_=~/^\#/)) { - my $newlocation=&Apache::lonnet::hreflocation($thisdir,$_); - $output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/; + foreach my $link (@rlinks) { + unless (($link=~/^http:\/\//i) || + ($link=~/^\//) || + ($link=~/^javascript:/i) || + ($link=~/^mailto:/i) || + ($link=~/^\#/)) { + my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link); + $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/; } } # -------------------------------------------------- Deal with Applet codebases @@ -2283,7 +2473,7 @@ sub get_student_view { if (defined($moreenv)) { %form=(%form,%{$moreenv}); } - if ($target eq 'tex') {$form{'grade_target'} = 'tex';} + if (defined($target)) { $form{'grade_target'} = $target; } $feedurl=&Apache::lonnet::clutter($feedurl); my $userview=&Apache::lonnet::ssi_body($feedurl,%form); $userview=~s/\]*\>//gi; @@ -2323,7 +2513,7 @@ sub get_student_answers { =item * &submlink() -Inputs: $text $uname $udom $symb +Inputs: $text $uname $udom $symb $target Returns: A link to grades.pm such as to see the SUBM view of a student @@ -2331,15 +2521,64 @@ Returns: A link to grades.pm such as to ############################################### sub submlink { - my ($text,$uname,$udom,$symb)=@_; + my ($text,$uname,$udom,$symb,$target)=@_; + if (!($uname && $udom)) { + (my $cursymb, my $courseid,$udom,$uname)= + &Apache::lonxml::whichuser($symb); + if (!$symb) { $symb=$cursymb; } + } + if (!$symb) { $symb=&Apache::lonnet::symbread(); } + $symb=&Apache::lonnet::escape($symb); + if ($target) { $target="target=\"$target\""; } + return ''.$text.''; +} +############################################## + +=pod + +=item * &pgrdlink() + +Inputs: $text $uname $udom $symb $target + +Returns: A link to grades.pm such as to see the PGRD view of a student + +=cut + +############################################### +sub pgrdlink { + my $link=&submlink(@_); + $link=~s/(&command=submission)/$1&showgrading=yes/; + return $link; +} +############################################## + +=pod + +=item * &pprmlink() + +Inputs: $text $uname $udom $symb $target + +Returns: A link to parmset.pm such as to see the PPRM view of a +student and a specific resource + +=cut + +############################################### +sub pprmlink { + my ($text,$uname,$udom,$symb,$target)=@_; if (!($uname && $udom)) { (my $cursymb, my $courseid,$udom,$uname)= &Apache::lonxml::whichuser($symb); if (!$symb) { $symb=$cursymb; } } - if (!$symb) { $symb=&symbread(); } - return ''.$text.''; + if (!$symb) { $symb=&Apache::lonnet::symbread(); } + $symb=&Apache::lonnet::escape($symb); + if ($target) { $target="target=\"$target\""; } + return ''.$text.''; } ############################################## @@ -2375,11 +2614,17 @@ sub maketime { ######################################### sub findallcourses { - my %courses=(); + my ($roles) = @_; + my %roles; + if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; } + my %courses; my $now=time; - foreach (keys %ENV) { - if ($_=~/^user\.role\.\w+\.\/(\w+)\/(\w+)/) { - my ($starttime,$endtime)=$ENV{$_}; + foreach my $key (keys(%env)) { + if ( $key=~m{^user\.role\.(\w+)\./(\w+)/(\w+)} ) { + my ($role,$domain,$id) = ($1,$2,$3); + next if ($role eq 'ca' || $role eq 'aa'); + next if (%roles && !exists($roles{$role})); + my ($starttime,$endtime)=split(/\./,$env{$key}); my $active=1; if ($starttime) { if ($now<$starttime) { $active=0; } @@ -2387,10 +2632,10 @@ sub findallcourses { if ($endtime) { if ($now>$endtime) { $active=0; } } - if ($active) { $courses{$1.'_'.$2}=1; } + if ($active) { $courses{$domain.'_'.$id}=1; } } } - return keys %courses; + return keys(%courses); } ############################################### @@ -2416,9 +2661,9 @@ sub determinedomain { if (! $domain) { # Determine domain if we have not been given one $domain = $Apache::lonnet::perlvar{'lonDefDomain'}; - if ($ENV{'user.domain'}) { $domain=$ENV{'user.domain'}; } - if ($ENV{'request.role.domain'}) { - $domain=$ENV{'request.role.domain'}; + if ($env{'user.domain'}) { $domain=$env{'user.domain'}; } + if ($env{'request.role.domain'}) { + $domain=$env{'request.role.domain'}; } } return $domain; @@ -2463,7 +2708,7 @@ Returns: value of designparamter $which ############################################## sub designparm { my ($which,$domain)=@_; - if ($ENV{'browser.blackwhite'} eq 'on') { + if ($env{'browser.blackwhite'} eq 'on') { if ($which=~/\.(font|alink|vlink|link)$/) { return '#000000'; } @@ -2474,8 +2719,8 @@ sub designparm { return '#CCCCCC'; } } - if ($ENV{'environment.color.'.$which}) { - return $ENV{'environment.color.'.$which}; + if ($env{'environment.color.'.$which}) { + return $env{'environment.color.'.$which}; } $domain=&determinedomain($domain); if ($designhash{$domain.'.'.$which}) { @@ -2517,6 +2762,21 @@ Inputs: =item * $forcereg, if page should register as content page (relevant for text interface only) +=item * $customtitle, alternate text to use instead of $title + in the title box that appears, this text + is not auto translated like the $title is + +=item * $notopbar, if true, keep the 'what is this' info but remove the + navigational links + +=item * $bgcolor, used to override the bgcolor on a webpage to a specific value + +=item * $notitle, if true keep the nav controls, but remove the title bar + +=item * $no_inline_link, if true and in remote mode, don't show the + 'Switch To Inline Menu' link + + =back Returns: A uniform header for LON-CAPA web pages. @@ -2527,137 +2787,881 @@ other decorations will be returned. =cut sub bodytag { - my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle)=@_; + my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle, + $notopbar,$bgcolor,$notitle,$no_inline_link)=@_; + $title=&mt($title); + $function = &get_users_function() if (!$function); - my $img=&designparm($function.'.img',$domain); - my $pgbg=&designparm($function.'.pgbg',$domain); - my $tabbg=&designparm($function.'.tabbg',$domain); - my $font=&designparm($function.'.font',$domain); - my $link=&designparm($function.'.link',$domain); - my $alink=&designparm($function.'.alink',$domain); - my $vlink=&designparm($function.'.vlink',$domain); - my $sidebg=&designparm($function.'.sidebg',$domain); -# Accessibility font enhance - unless ($addentries) { $addentries=''; } - my $addstyle=''; - if ($ENV{'browser.fontenhance'} eq 'on') { - $addstyle=' font-size: x-large;'; - } + my $img = &designparm($function.'.img',$domain); + my $font = &designparm($function.'.font',$domain); + my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain); + + my %design = ( 'style' => 'margin-top: 0px', + 'bgcolor' => $pgbg, + 'text' => $font, + 'alink' => &designparm($function.'.alink',$domain), + 'vlink' => &designparm($function.'.vlink',$domain), + 'link' => &designparm($function.'.link',$domain),); + @$addentries{keys(%design)} = @design{keys(%design)}; + # role and realm - my ($role,$realm) - =&Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]); + my ($role,$realm) = + &Apache::lonnet::plaintext((split(/\./,$env{'request.role'}))[0]); # realm - if ($ENV{'request.course.id'}) { - $realm= - $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; + if ($env{'request.course.id'}) { + $realm = $env{'course.'.$env{'request.course.id'}.'.description'}; } - unless ($realm) { $realm=' '; } + if (!$realm) { $realm=' '; } # Set messages my $messages=&domainlogo($domain); # Port for miniserver my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'}; if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; } + + my $extra_body_attr = &make_attr_string($forcereg,$addentries); + # construct main body tag - my $bodytag = < -h1, h2, h3, th { font-family: Arial, Helvetica, sans-serif } -a:focus { color: red; background: yellow } - - -END - my $upperleft=''.$function.''; - if ($bodyonly) { + my $bodytag = "". + &Apache::lontexconvert::init_math_support(); + + if ($bodyonly + || ($env{'request.state'} eq 'construct' + && $env{'environment.remote'} ne 'off' )) { return $bodytag; - } elsif ($ENV{'browser.interface'} eq 'textual') { + } elsif ($env{'browser.interface'} eq 'textual') { # Accessibility - return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web', - $forcereg). - '

LON-CAPA: '.$title.'

'; - } elsif ($ENV{'environment.remote'} eq 'off') { -# No Remote - my $roleinfo=(< - - $ENV{'environment.firstname'} - $ENV{'environment.middlename'} - $ENV{'environment.lastname'} - $ENV{'environment.generation'} -   -
-$role  -
-$realm  + $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg); + if (!$notitle) { + $bodytag.='

LON-CAPA: '.$title.'

'; + } + return $bodytag; + } + + + + my $roleinfo=(< +
+ $env{'environment.firstname'} + $env{'environment.middlename'} + $env{'environment.lastname'} + $env{'environment.generation'} +   +
+
+$role  +
+
+$realm  +
ENDROLE - my $titleinfo = ''.$title.''; - if ($customtitle) { - $titleinfo = $customtitle; - } - if ($ENV{'request.state'} eq 'construct') { + + my $titleinfo = ''.$title.''; + if ($customtitle) { + $titleinfo = $customtitle; + } + # + # Extra info if you are the DC + my $dc_info = ''; + if ($env{'user.adv'} && exists($env{'user.role.dc./'. + $env{'course.'.$env{'request.course.id'}. + '.domain'}.'/'})) { + my $cid = $env{'request.course.id'}; + $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'}; + $dc_info = '('.$dc_info.')'; + } + + if ($env{'environment.remote'} eq 'off') { + # No Remote + if ($env{'request.state'} eq 'construct') { + $forcereg=1; + } + + if (!$customtitle && $env{'request.state'} eq 'construct') { + # this is for resources; directories have customtitle, and crumbs + # and select recent are created in lonpubdir.pm my ($uname,$thisdisfn)= - ($ENV{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|); + ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|); my $formaction='/priv/'.$uname.'/'.$thisdisfn; $formaction=~s/\/+/\//g; - $titleinfo = '
' - .&Apache::lonhtmlcommon::crumbs($uname.'/'.$thisdisfn,'_top','/priv','',-1,1)."
" + + my $parentpath = ''; + my $lastitem = ''; + if ($thisdisfn =~ m-(.+/)([^/]*)$-) { + $parentpath = $1; + $lastitem = $2; + } else { + $lastitem = $thisdisfn; + } + $titleinfo = + &Apache::loncommon::help_open_menu('','','','',3,'Authoring'). + 'Construction Space: '. + '' + .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."$lastitem
" .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()') .'
' .&Apache::lonmenu::constspaceform(); + } - &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction); - if ($thisdisfn!~m|/$|) { $forcereg=1; } + my $titletable; + if (!$notitle) { + $titletable = + ''. + "".$roleinfo. + '
$titleinfo $dc_info
'; } - - return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web', - $forcereg). - ''.$roleinfo.'
'.$titleinfo.'
'; + if ($notopbar) { + $bodytag .= $titletable; + } else { + if ($env{'request.state'} eq 'construct') { + $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg, + $titletable); + } else { + $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg). + $titletable; + } + } + return $bodytag; } # # Top frame rendering, Remote is up # - my $titleinfo = ' '.$title.''; - if ($customtitle) { - $titleinfo = $customtitle; + + my $upperleft=''.$function.''; + + # Explicit link to get inline menu + my $menu= ($no_inline_link?'' + :'
'.&mt('Switch to Inline Menu Mode').''); + # + if ($notitle) { + return $bodytag; } return(< - -$upperleft -$messages  - - - -$titleinfo - - - $ENV{'environment.firstname'} - $ENV{'environment.middlename'} - $ENV{'environment.lastname'} - $ENV{'environment.generation'} -   - + + + - - - -
$upperleft
-$role  -
$realm 

+$titleinfo $dc_info $menu +$roleinfo + ENDBODY } +sub make_attr_string { + my ($register,$attr_ref) = @_; + + if ($attr_ref && !ref($attr_ref)) { + die("addentries Must be a hash ref ". + join(':',caller(1))." ". + join(':',caller(0))." "); + } + + if ($register) { + my ($on_load,$on_unload); + foreach my $key (keys(%{$attr_ref})) { + if (lc($key) eq 'onload') { + $on_load.=$attr_ref->{$key}.';'; + delete($attr_ref->{$key}); + + } elsif (lc($key) eq 'onunload') { + $on_unload.=$attr_ref->{$key}.';'; + delete($attr_ref->{$key}); + } + } + $attr_ref->{'onload'} = + &Apache::lonmenu::loadevents(). $on_load; + $attr_ref->{'onunload'}= + &Apache::lonmenu::unloadevents().$on_unload; + } + +# Accessibility font enhance + if ($env{'browser.fontenhance'} eq 'on') { + my $style; + foreach my $key (keys(%{$attr_ref})) { + if (lc($key) eq 'style') { + $style.=$attr_ref->{$key}.';'; + delete($attr_ref->{$key}); + } + } + $attr_ref->{'style'}=$style.'; font-size: x-large;'; + } + + if ($env{'browser.blackwhite'} eq 'on') { + delete($attr_ref->{'font'}); + delete($attr_ref->{'link'}); + delete($attr_ref->{'alink'}); + delete($attr_ref->{'vlink'}); + delete($attr_ref->{'bgcolor'}); + delete($attr_ref->{'background'}); + } + + my $attr_string; + foreach my $attr (keys(%$attr_ref)) { + $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" '; + } + return $attr_string; +} + + +############################################### +############################################### + +=pod + +=back + +=head1 HTML Helpers + +=over 4 + +=item * &endbodytag() + +Returns a uniform footer for LON-CAPA web pages. + +Inputs: none + +=back + +=cut + +sub endbodytag { + my $endbodytag=''; + $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag; + if ( exists( $env{'internal.head.redirect'} ) ) { + $endbodytag= + "
". + &mt('Continue').''. + $endbodytag; + } + return $endbodytag; +} + +=pod + +=over 4 + +=item * &standard_css() + +Returns a style sheet + +Inputs: (all optional) + domain -> force to color decorate a page for a specific + domain + function -> force usage of a specific rolish color scheme + bgcolor -> override the default page bgcolor + +=back + +=cut + +sub standard_css { + my ($function,$domain,$bgcolor) = @_; + $function = &get_users_function() if (!$function); + my $img = &designparm($function.'.img', $domain); + my $tabbg = &designparm($function.'.tabbg', $domain); + my $font = &designparm($function.'.font', $domain); + my $sidebg = &designparm($function.'.sidebg',$domain); + my $pgbg = $bgcolor || + &designparm($function.'.pgbg', $domain); + my $alink = &designparm($function.'.alink', $domain); + my $vlink = &designparm($function.'.vlink', $domain); + my $link = &designparm($function.'.link', $domain); + + my $sans = 'Arial,Helvetica,sans-serif'; + my $data_table_head = $tabbg; + my $data_table_light = '#EEEEEE'; + my $data_table_dark = '#DDD'; + my $data_table_highlight = '#FFFF00'; + my $mail_new = '#FFBB77'; + my $mail_new_hover = '#DD9955'; + my $mail_read = '#BBBB77'; + my $mail_read_hover = '#999944'; + my $mail_replied = '#AAAA88'; + my $mail_replied_hover = '#888855'; + my $mail_other = '#99BBBB'; + my $mail_other_hover = '#669999'; + + return < + $args - optional arguments + force_register - if is true call registerurl so the remote is + informed + redirect -> array ref of seconds before redirect occurs + url to redirect to + (side effect of setting + $env{'internal.head.redirect'} to the url + redirected too) + domain -> force to color decorate a page for a specific + domain + function -> force usage of a specific rolish color scheme + bgcolor -> override the default page bgcolor + +=back + +=cut + +sub headtag { + my ($title,$head_extra,$args) = @_; + + my $function = $args->{'function'} || &get_users_function(); + my $domain = $args->{'domain'} || &determinedomain(); + my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain); + my $url = join(':',$env{'user.name'},$env{'user.domain'}, + $env{'environment.color.timestamp'}, + $function,$domain,$bgcolor); + + $url = '/adm/css/'.&Apache::lonnet::escape($url).'.css'; + + my $result = + ''. + ''. + &font_settings(). + &Apache::lonhtmlcommon::htmlareaheaders(); + + if ($args->{'force_register'}) { + $result .= &Apache::lonmenu::registerurl(1); + } + + if (ref($args->{'redirect'})) { + my ($time,$url) = @{$args->{'redirect'}}; + $url = &Apache::lonenc::check_encrypt($url); + $env{'internal.head.redirect'} = $url; + $result.=< + +ADDMETA + } + if (!defined($title)) { + $title = 'The LearningOnline Network with CAPA'; + } + + $result .= ' LON-CAPA '.&mt($title).''.$head_extra; + return $result; +} + +=pod + +=over 4 + +=item * &font_settings() + +Returns neccessary to set the proper encoding + +Inputs: none + +=back + +=cut + +sub font_settings { + my $headerstring=''; + if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) { + $headerstring.= + ''; + } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) { + $headerstring.= + ''; + } + return $headerstring; +} + +=pod + +=over 4 + +=item * &xml_begin() + +Returns the needed doctype and + +Inputs: none + +=back + +=cut + +sub xml_begin { + my $output=''; + + &Apache::lonhtmlcommon::init_htmlareafields(); + + if ($env{'browser.mathml'}) { + $output='' + #.''."\n" +# .'] >' + .'' + .''; + } else { + $output=''; + } + return $output; +} + +=pod + +=over 4 + +=item * &endheadtag() + +Returns a uniform for LON-CAPA web pages. + +Inputs: none + +=back + +=cut + +sub endheadtag { + return ''; +} + +=pod + +=over 4 + +=item * &head() + +Returns a uniform complete .. section for LON-CAPA web pages. + +Inputs: $title - optional title for the page + $head_extra - optional extra HTML to put inside the +=back + +=cut + +sub head { + my ($title,$head_extra,$args) = @_; + return &headtag($title,$head_extra,$args).&endheadtag(); +} + +=pod + +=over 4 + +=item * &start_page() + +Returns a complete .. section for LON-CAPA web pages. + +Inputs: $title - optional title for the page + $head_extra - optional extra HTML to incude inside the + $args - additional optional args supported are: + only_body -> is true will set &bodytag() onlybodytag + arg on + no_nav_bar -> is true will set &bodytag() notopbar arg on + add_entries -> additional attributes to add to the + domain -> force to color decorate a page for a + specific domain + function -> force usage of a specific rolish color + scheme + redirect -> see &headtag() + bgcolor -> override the default page bg color + js_ready -> return a string ready for being used in + a javascript writeln + html_encode -> return a string ready for being used in + a html attribute + force_register -> if is true will turn on the &bodytag() + $forcereg arg + body_title -> alternate text to use instead of $title + in the title box that appears, this text + is not auto translated like the $title is + frameset -> if true will start with a + rather than + no_title -> if true the title bar won't be shown + skip_phases -> hash ref of + head -> skip the generation + body -> skip all generation + + no_inline_link -> if true and in remote mode, don't show the + 'Switch To Inline Menu' link + +=back + +=cut + +sub start_page { + my ($title,$head_extra,$args) = @_; + #&Apache::lonnet::logthis("start_page ".join(':',caller(0))); + my %head_args; + foreach my $arg ('redirect','force_register','domain','function', + 'bgcolor') { + if (defined($args->{$arg})) { + $head_args{$arg} = $args->{$arg}; + } + } + + $env{'internal.start_page'}++; + my $result; + if (! exists($args->{'skip_phases'}{'head'}) ) { + $result.= + &xml_begin(). + &headtag($title,$head_extra,\%head_args).&endheadtag(); + } + + if (! exists($args->{'skip_phases'}{'body'}) ) { + if ($args->{'frameset'}) { + my $attr_string = &make_attr_string($args->{'force_register'}, + $args->{'add_entries'}); + $result .= "\n\n"; + } else { + $result .= + &bodytag($title, + $args->{'function'}, $args->{'add_entries'}, + $args->{'only_body'}, $args->{'domain'}, + $args->{'force_register'}, $args->{'body_title'}, + $args->{'no_nav_bar'}, $args->{'bgcolor'}, + $args->{'no_title'}, $args->{'no_inline_link'}); + } + } + + if ($args->{'js_ready'}) { + $result = &js_ready($result); + } + if ($args->{'html_encode'}) { + $result = &html_encode($result); + } + return $result; +} + + +=pod + +=over 4 + +=item * &head() + +Returns a complete section for LON-CAPA web pages. + +Inputs: $args - additional optional args supported are: + js_ready -> return a string ready for being used in + a javascript writeln + html_encode -> return a string ready for being used in + a html attribute + frameset -> if true will start with a + rather than +=back + +=cut + +sub end_page { + my ($args) = @_; + #&Apache::lonnet::logthis("end_page ".join(':',caller(0))); + $env{'internal.end_page'}++; + my $result; + if ($args->{'discussion'}) { + my ($target,$parser); + if (ref($args->{'discussion'})) { + ($target,$parser) =($args->{'discussion'}{'target'}, + $args->{'discussion'}{'parser'}); + } + $result .= &Apache::lonxml::xmlend($target,$parser); + } + + if ($args->{'frameset'}) { + $result .= ''; + } else { + $result .= &endbodytag(); + } + $result .= "\n"; + + if ($args->{'js_ready'}) { + $result = &js_ready($result); + } + + if ($args->{'html_encode'}) { + $result = &html_encode($result); + } + + return $result; +} + +sub html_encode { + my ($result) = @_; + + $result = &HTML::Entities::encode($result,'<>&"'); + + return $result; +} +sub js_ready { + my ($result) = @_; + + $result =~ s/[\n\r]/ /xmsg; + $result =~ s/\\/\\\\/xmsg; + $result =~ s/'/\\'/xmsg; + $result =~ s{}{}xmsg; + + return $result; +} + +sub validate_page { + if ( exists($env{'internal.start_page'}) + && $env{'internal.start_page'} > 1) { + &Apache::lonnet::logthis('start_page called multiple times '. + $env{'internal.start_page'}.' '. + $ENV{'request.filename'}); + } + if ( exists($env{'internal.end_page'}) + && $env{'internal.end_page'} > 1) { + &Apache::lonnet::logthis('end_page called multiple times '. + $env{'internal.end_page'}.' '. + $env{'request.filename'}); + } + if ( exists($env{'internal.start_page'}) + && ! exists($env{'internal.end_page'})) { + &Apache::lonnet::logthis('start_page called without end_page '. + $env{'request.filename'}); + } + if ( ! exists($env{'internal.start_page'}) + && exists($env{'internal.end_page'})) { + &Apache::lonnet::logthis('end_page called without start_page'. + $env{'request.filename'}); + } +} + +sub simple_error_page { + my ($r,$title,$msg) = @_; + my $page = + &Apache::loncommon::start_page($title). + &mt($msg). + &Apache::loncommon::end_page(); + if (ref($r)) { + $r->print($page); + return; + } + return $page; +} + +{ + my $row_count; + sub start_data_table { + undef($row_count); + return ''; + } + + sub end_data_table { + undef($row_count); + return '
'; + } + + sub start_data_table_row { + $row_count++; + return ''; + } + + sub end_data_table_row { + return ''; + } + + sub start_data_table_header_row { + return ''; + } + + sub end_data_table_header_row { + return ''; + } +} + ############################################### =pod +=over 4 + =item get_users_function Used by &bodytag to determine the current users primary role. @@ -2668,13 +3672,13 @@ Returns either 'student','coordinator',' ############################################### sub get_users_function { my $function = 'student'; - if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) { + if ($env{'request.role'}=~/^(cc|in|ta|ep)/) { $function='coordinator'; } - if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) { + if ($env{'request.role'}=~/^(su|dc|ad|li)/) { $function='admin'; } - if (($ENV{'request.role'}=~/^(au|ca)/) || + if (($env{'request.role'}=~/^(au|ca)/) || ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) { $function='author'; } @@ -2685,6 +3689,60 @@ sub get_users_function { =pod +=item check_user_status + +Determines current status of supplied role for a +specific user. Roles can be active, previous or future. + +Inputs: +user's domain, user's username, course's domain, +course's number, optional section/group. + +Outputs: +role status: active, previous or future. + +=cut + +sub check_user_status { + my ($udom,$uname,$cdom,$crs,$role,$secgrp) = @_; + my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname); + my @uroles = keys %userinfo; + my $srchstr; + my $active_chk = 'none'; + if (@uroles > 0) { + if (($role eq 'cc') || ($secgrp eq '') || (!defined($secgrp))) { + $srchstr = '/'.$cdom.'/'.$crs.'_'.$role; + } else { + $srchstr = '/'.$cdom.'/'.$crs.'/'.$secgrp.'_'.$role; } + if (grep/^$srchstr$/,@uroles) { + my $role_end = 0; + my $role_start = 0; + $active_chk = 'active'; + if ($userinfo{$srchstr} =~ m/^($role)_(\d+)/) { + $role_end = $2; + if ($userinfo{$srchstr} =~ m/^($role)_($role_end)_(\d+)$/) { + $role_start = $3; + } + } + if ($role_start > 0) { + if (time < $role_start) { + $active_chk = 'future'; + } + } + if ($role_end > 0) { + if (time > $role_end) { + $active_chk = 'previous'; + } + } + } + } + return $active_chk; +} + +############################################### + +=pod + =item get_sections Determines all the sections for a course including @@ -2701,153 +3759,351 @@ Returns number of sections. ############################################### sub get_sections { - my ($cdom,$cnum,$sectioncount,$possible_roles) = @_; - my $cid = $cdom.'_'.$cnum; - my $numsections = 0; - if ($cdom && $cnum) { - if (!defined($possible_roles) || (grep/^st$/,@$possible_roles)) { - my ($classlist) = &Apache::loncoursedata::get_classlist($cid,$cdom,$cnum); - my $sec_index = &Apache::loncoursedata::CL_SECTION(); - my $status_index = &Apache::loncoursedata::CL_STATUS(); - while (my ($student,$data) = each %$classlist) { - my ($section,$status) = ($data->[$sec_index], - $data->[$status_index]); - unless ($section eq '' || $section =~ /^\s*$/) { - if (!defined($$sectioncount{$section})) { - $$sectioncount{$section} = 1; - $numsections ++; - } else { - $$sectioncount{$section} ++; - } + my ($cdom,$cnum,$possible_roles) = @_; + if (!defined($cdom) || !defined($cnum)) { + my $cid = $env{'request.course.id'}; + + return if (!defined($cid)); + + $cdom = $env{'course.'.$cid.'.domain'}; + $cnum = $env{'course.'.$cid.'.num'}; + } + + my %sectioncount; + + if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) { + my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum); + my $sec_index = &Apache::loncoursedata::CL_SECTION(); + my $status_index = &Apache::loncoursedata::CL_STATUS(); + while (my ($student,$data) = each(%$classlist)) { + my ($section,$status) = ($data->[$sec_index], + $data->[$status_index]); + unless ($section eq '-1' || $section =~ /^\s*$/) { + $sectioncount{$section}++; + } + } + } + my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + foreach my $user (sort(keys(%courseroles))) { + if ($user !~ /^(\w{2})/) { next; } + my ($role) = ($user =~ /^(\w{2})/); + if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; } + my $section; + if ($role eq 'cr' && + $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) { + $section=$1; + } + if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; } + if (!defined($section) || $section eq '-1') { next; } + $sectioncount{$section}++; + } + return %sectioncount; +} + +############################################### + +=pod + +=item coursegroups + +Retrieve information about groups in a course, + +Input: +1. Reference to hash to populate with group information. +2. Optional course domain +3. Optional course number +4. Optional group name + +Course domain and number will be taken from user's +environment if not supplied. Optional group name will' +be passed to lonnet::get_coursegroups() as a regexp to +use in the call to the dump function. + +Output +Returns number of groups in the course (subject to the +optional group name filter). + +Side effects: +Populates the referenced curr_groups hash, with key, +value pairs. Keys are group names, corresponding values +are scalars containing group information in XML. This +can be sent to &get_group_settings() to be parsed. + +=cut + +############################################### + +sub coursegroups { + my ($cdom,$cnum,$group) = @_; + if (!defined($cdom) || !defined($cnum)) { + my $cid = $env{'request.course.id'}; + + return if (!defined($cid)); + + $cdom = $env{'course.'.$cid.'.domain'}; + $cnum = $env{'course.'.$cid.'.num'}; + } + my %curr_groups = &Apache::lonnet::get_coursegroups($cdom,$cnum,$group); + my ($tmp) = keys(%curr_groups); + if ($tmp=~/^(con_lost|no_such_host|error: [^2] )/) { + undef(%curr_groups); + &logthis('Error retrieving groups: '.$tmp.' in '.$cnum.':'.$cdom); + } elsif ($tmp=~/^error: 2 /) { + undef(%curr_groups); + } + return %curr_groups; +} + +############################################### + +=pod + +=item get_group_settings + +Uses TokeParser to extract group information from the +XML used to describe course groups. + +Input: +Scalar containing XML - as retrieved from &coursegroups(). + +Output: +Hash containing group information as key=values for (a), and +hash of hashes for (b) + +Keys (in two categories): +(a) groupname, creator, creation, modified, startdate,enddate. +Corresponding values are name of the group, creator of the group +(username:domain), UNIX time for date group was created, and +settings were last modified, and default start and end access +times for group members. + +(b) functions returned in hash of hashes. +Outer hash key is functions. +Inner hash keys are chat,discussion,email,files,homepage,roster. +Corresponding values are either on or off, depending on +whether this type of functionality is available for the group. + +=cut + +############################################### + +sub get_group_settings { + my ($groupinfo)=@_; + my $parser=HTML::TokeParser->new(\$groupinfo); + my $token; + my $tool = ''; + my $role = ''; + my %content=(); + while ($token=$parser->get_token) { + if ($token->[0] eq 'S') { + my $entry=$token->[1]; + if ($entry eq 'functions' || $entry eq 'autosec') { + %{$content{$entry}} = (); + $tool = $entry; + } elsif ($entry eq 'role') { + if ($tool eq 'autosec') { + $role = $token->[2]{id}; } - } - } - my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); - foreach my $user (sort keys %courseroles) { - if ($user =~ /^(\w{2})/) { - my $role = $1; - if (!defined($possible_roles) || (grep/^$role$/,@$possible_roles)) { - if ($role eq 'cr') { - if ($user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) { - if (!defined($$sectioncount{$1})) { - $$sectioncount{$1} = 1; - $numsections ++; - } else { - $$sectioncount{$1} ++; - } - } + } else { + my $value=$parser->get_text('/'.$entry); + if ($entry eq 'name') { + if ($tool eq 'functions') { + my $function = $token->[2]{id}; + $content{$tool}{$function} = $value; } - if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { - if (!defined($$sectioncount{$1})) { - $$sectioncount{$1} = 1; - $numsections ++; - } else { - $$sectioncount{$1} ++; - } + } elsif ($entry eq 'groupname') { + $content{$entry}=&Apache::lonnet::unescape($value); + } elsif (($entry eq 'roles') || ($entry eq 'types') || + ($entry eq 'sectionpick') || ($entry eq 'defpriv')) { + push(@{$content{$entry}},$value); + } elsif ($entry eq 'section') { + if ($tool eq 'autosec' && $role ne '') { + push(@{$content{$tool}{$role}},$value); } + } else { + $content{$entry}=$value; } } + } elsif ($token->[0] eq 'E') { + if ($token->[1] eq 'functions' || $token->[1] eq 'autosec') { + $tool = ''; + } elsif ($token->[1] eq 'role') { + $role = ''; + } + } } - return $numsections; + return %content; } +sub check_group_access { + my ($group) = @_; + my $access = 1; + my $now = time; + my ($start,$end) = split(/\./,$env{'user.role.gr/'.$env{'request.course,id'}.'/'.$group}); + if (($end!=0) && ($end<$now)) { $access = 0; } + if (($start!=0) && ($start>$now)) { $access=0; } + return $access; +} -sub get_posted_cgi { - my $r=shift; +############################################### - my $buffer; - - $r->read($buffer,$r->header_in('Content-length'),0); - unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) { - my @pairs=split(/&/,$buffer); - my $pair; - foreach $pair (@pairs) { - my ($name,$value) = split(/=/,$pair); - $value =~ tr/+/ /; - $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - $name =~ tr/+/ /; - $name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - &add_to_env("form.$name",$value); - } - } else { - my $contentsep=$1; - my @lines = split (/\n/,$buffer); - my $name=''; - my $value=''; - my $fname=''; - my $fmime=''; - my $i; - for ($i=0;$i<=$#lines;$i++) { - if ($lines[$i]=~/^$contentsep/) { - if ($name) { - chomp($value); - if ($fname) { - $ENV{"form.$name.filename"}=$fname; - $ENV{"form.$name.mimetype"}=$fmime; - } else { - $value=~s/\s+$//s; - } - &add_to_env("form.$name",$value); +=pod + +=item get_course_users + +Retrieves usernames:domains for users in the specified course +with specific role(s), and access status. + +Incoming parameters: +1. course domain +2. course number +3. access status: users must have - either active, +previous, future, or all. +4. reference to array of permissible roles +5. reference to array of section restrictions (optional) +6. reference to results object (hash of hashes). +7. reference to optional userdata hash +Keys of top level hash are roles. +Keys of inner hashes are username:domain, with +values set to access type. +Optional userdata hash returns an array with arguments in the +same order as loncoursedata::get_classlist() for student data. + +Entries for end, start, section and status are blank because +of the possibility of multiple values for non-student roles. + +=cut + +############################################### + +sub get_course_users { + my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_; + my %idx = (); + + $idx{udom} = &Apache::loncoursedata::CL_SDOM(); + $idx{uname} = &Apache::loncoursedata::CL_SNAME(); + $idx{end} = &Apache::loncoursedata::CL_END(); + $idx{start} = &Apache::loncoursedata::CL_START(); + $idx{id} = &Apache::loncoursedata::CL_ID(); + $idx{section} = &Apache::loncoursedata::CL_SECTION(); + $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME(); + $idx{status} = &Apache::loncoursedata::CL_STATUS(); + + if (grep(/^st$/,@{$roles})) { + my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum); + my $now = time; + foreach my $student (keys(%{$classlist})) { + my $match = 0; + if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) { + unless(grep(/^\Q$$classlist{$student}[$idx{section}]\E$/, + @{$sections})) { + next; } - if ($i<$#lines) { - $i++; - $lines[$i]=~ - /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i; - $name=$1; - $value=''; - if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) { - $fname=$1; - if - ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) { - $fmime=$1; - $i++; - } else { - $fmime=''; - } - } else { - $fname=''; - $fmime=''; + } + if (defined($$types{'active'})) { + if ($$classlist{$student}[$idx{status}] eq 'Active') { + push(@{$$users{st}{$student}},'active'); + $match = 1; + } + } + if (defined($$types{'previous'})) { + if ($$classlist{$student}[$idx{end}] <= $now) { + push(@{$$users{st}{$student}},'previous'); + $match = 1; + } + } + if (defined($$types{'future'})) { + if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) { + push(@{$$users{st}{$student}},'future'); + $match = 1; + } + } + if ($match && defined($userdata)) { + $$userdata{$student} = $$classlist{$student}; + } + } + } + if ((@{$roles} > 0) && (@{$roles} ne "st")) { + my @coursepersonnel = &Apache::lonnet::getkeys('nohist_userroles',$cdom,$cnum); + foreach my $person (@coursepersonnel) { + my $match = 0; + my ($role,$user) = ($person =~ /^([^:]*):([^:]+:[^:]+)/); + $user =~ s/:$//; + if (($role) && (grep(/^\Q$role\E$/,@{$roles}))) { + my ($uname,$udom,$usec) = split(/:/,$user); + if ($usec ne '' && (ref($sections) eq 'ARRAY') && + @{$sections} > 0) { + unless(grep(/^\Q$usec\E$/,@{$sections})) { + next; } - $i++; - } - } else { - $value.=$lines[$i]."\n"; - } - } + } + if ($uname ne '' && $udom ne '') { + my $status = &check_user_status($udom,$uname,$cdom,$cnum,$role); + foreach my $type (keys(%{$types})) { + if ($status eq $type) { + @{$$users{$role}{$user}} = $type; + $match = 1; + } + } + if ($match && defined($userdata) && + !exists($$userdata{$uname.':'.$udom})) { + &get_user_info($udom,$uname,\%idx,$userdata); + } + } + } + } + if (grep(/^ow$/,@{$roles})) { + if ((defined($cdom)) && (defined($cnum))) { + my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum); + if ( defined($csettings{'internal.courseowner'}) ) { + my $owner = $csettings{'internal.courseowner'}; + @{$$users{'ow'}{$owner.':'.$cdom}} = 'any'; + if (defined($userdata) && + !exists($$userdata{$owner.':'.$cdom})) { + &get_user_info($cdom,$owner,\%idx,$userdata); + } + } + } + } } - $ENV{'request.method'}=$ENV{'REQUEST_METHOD'}; - $r->method_number(M_GET); - $r->method('GET'); - $r->headers_in->unset('Content-length'); + return; +} + +sub get_user_info { + my ($udom,$uname,$idx,$userdata) = @_; + $$userdata{$uname.':'.$udom}[$$idx{fullname}] = + &plainname($uname,$udom,'lastname'); + $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname; + $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom; + return; } =pod =item * get_unprocessed_cgi($query,$possible_names) -Modify the %ENV hash to contain unprocessed CGI form parameters held in +Modify the %env hash to contain unprocessed CGI form parameters held in $query. The parameters listed in $possible_names (an array reference), -will be set in $ENV{'form.name'} if they do not already exist. +will be set in $env{'form.name'} if they do not already exist. Typically called with $ENV{'QUERY_STRING'} as the first parameter. $possible_names is an ref to an array of form element names. As an example: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']); -will result in $ENV{'form.uname'} and $ENV{'form.udom'} being set. +will result in $env{'form.uname'} and $env{'form.udom'} being set. =cut sub get_unprocessed_cgi { my ($query,$possible_names)= @_; # $Apache::lonxml::debug=1; - foreach (split(/&/,$query)) { - my ($name, $value) = split(/=/,$_); + foreach my $pair (split(/&/,$query)) { + my ($name, $value) = split(/=/,$pair); $name = &Apache::lonnet::unescape($name); if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) { $value =~ tr/+/ /; $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - &Apache::lonxml::debug("Seting :$name: to :$value:"); - unless (defined($ENV{'form.'.$name})) { &add_to_env('form.'.$name,$value) }; + unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) }; } } } @@ -2861,7 +4117,7 @@ returns cache-controlling header code =cut sub cacheheader { - unless ($ENV{'request.method'} eq 'GET') { return ''; } + unless ($env{'request.method'} eq 'GET') { return ''; } my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); my $output .=' @@ -2880,7 +4136,7 @@ specifies header code to not have cache sub no_cache { my ($r) = @_; if ($ENV{'REQUEST_METHOD'} ne 'GET' && - $ENV{'request.method'} ne 'GET') { return ''; } + $env{'request.method'} ne 'GET') { return ''; } my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time)); $r->no_cache(1); $r->header_out("Expires" => $date); @@ -2889,6 +4145,11 @@ sub no_cache { sub content_type { my ($r,$type,$charset) = @_; + if ($r) { + # Note that printout.pl calls this with undef for $r. + &no_cache($r); + } + if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; } unless ($charset) { $charset=&Apache::lonlocal::current_encoding; } @@ -2904,7 +4165,7 @@ sub content_type { =item * add_to_env($name,$value) -adds $name to the %ENV hash with value +adds $name to the %env hash with value $value, if $name already exists, the entry is converted to an array reference and $value is added to the array. @@ -2912,18 +4173,18 @@ reference and $value is added to the arr sub add_to_env { my ($name,$value)=@_; - if (defined($ENV{$name})) { - if (ref($ENV{$name})) { + if (defined($env{$name})) { + if (ref($env{$name})) { #already have multiple values - push(@{ $ENV{$name} },$value); + push(@{ $env{$name} },$value); } else { #first time seeing multiple values, convert hash entry to an arrayref - my $first=$ENV{$name}; - undef($ENV{$name}); - push(@{ $ENV{$name} },$first,$value); + my $first=$env{$name}; + undef($env{$name}); + push(@{ $env{$name} },$first,$value); } } else { - $ENV{$name}=$value; + $env{$name}=$value; } } @@ -2931,7 +4192,7 @@ sub add_to_env { =item * get_env_multiple($name) -gets $name from the %ENV hash, it seemlessly handles the cases where multiple +gets $name from the %env hash, it seemlessly handles the cases where multiple values may be defined and end up as an array ref. returns an array of values @@ -2941,12 +4202,12 @@ returns an array of values sub get_env_multiple { my ($name) = @_; my @values; - if (defined($ENV{$name})) { + if (defined($env{$name})) { # exists is it an array - if (ref($ENV{$name})) { - @values=@{ $ENV{$name} }; + if (ref($env{$name})) { + @values=@{ $env{$name} }; } else { - $values[0]=$ENV{$name}; + $values[0]=$env{$name}; } } return(@values); @@ -2964,25 +4225,25 @@ sub get_env_multiple { =item * upfile_store($r) Store uploaded file, $r should be the HTTP Request object, -needs $ENV{'form.upfile'} +needs $env{'form.upfile'} returns $datatoken to be put into hidden field =cut sub upfile_store { my $r=shift; - $ENV{'form.upfile'}=~s/\r/\n/gs; - $ENV{'form.upfile'}=~s/\f/\n/gs; - $ENV{'form.upfile'}=~s/\n+/\n/gs; - $ENV{'form.upfile'}=~s/\n+$//gs; + $env{'form.upfile'}=~s/\r/\n/gs; + $env{'form.upfile'}=~s/\f/\n/gs; + $env{'form.upfile'}=~s/\n+/\n/gs; + $env{'form.upfile'}=~s/\n+$//gs; - my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}. - '_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$; + my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}. + '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$; { my $datafile = $r->dir_config('lonDaemons'). '/tmp/'.$datatoken.'.tmp'; if ( open(my $fh,">$datafile") ) { - print $fh $ENV{'form.upfile'}; + print $fh $env{'form.upfile'}; close($fh); } } @@ -2994,8 +4255,8 @@ sub upfile_store { =item * load_tmp_file($r) Load uploaded file from tmp, $r should be the HTTP Request object, -needs $ENV{'form.datatoken'}, -sets $ENV{'form.upfile'} to the contents of the file +needs $env{'form.datatoken'}, +sets $env{'form.upfile'} to the contents of the file =cut @@ -3004,13 +4265,13 @@ sub load_tmp_file { my @studentdata=(); { my $studentfile = $r->dir_config('lonDaemons'). - '/tmp/'.$ENV{'form.datatoken'}.'.tmp'; + '/tmp/'.$env{'form.datatoken'}.'.tmp'; if ( open(my $fh,"<$studentfile") ) { @studentdata=<$fh>; close($fh); } } - $ENV{'form.upfile'}=join('',@studentdata); + $env{'form.upfile'}=join('',@studentdata); } =pod @@ -3019,14 +4280,19 @@ sub load_tmp_file { Separate uploaded file into records returns array of records, -needs $ENV{'form.upfile'} and $ENV{'form.upfiletype'} +needs $env{'form.upfile'} and $env{'form.upfiletype'} =cut sub upfile_record_sep { - if ($ENV{'form.upfiletype'} eq 'xml') { + if ($env{'form.upfiletype'} eq 'xml') { } else { - return split(/\n/,$ENV{'form.upfile'}); + my @records; + foreach my $line (split(/\n/,$env{'form.upfile'})) { + if ($line=~/^\s*$/) { next; } + push(@records,$line); + } + return @records; } } @@ -3034,30 +4300,33 @@ sub upfile_record_sep { =item * record_sep($record) -Separate a record into fields $record should be an item from the upfile_record_sep(), needs $ENV{'form.upfiletype'} +Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'} =cut +sub takeleft { + my $index=shift; + return substr('0000'.$index,-4,4); +} + sub record_sep { my $record=shift; my %components=(); - if ($ENV{'form.upfiletype'} eq 'xml') { - } elsif ($ENV{'form.upfiletype'} eq 'space') { + if ($env{'form.upfiletype'} eq 'xml') { + } elsif ($env{'form.upfiletype'} eq 'space') { my $i=0; - foreach (split(/\s+/,$record)) { - my $field=$_; + foreach my $field (split(/\s+/,$record)) { $field=~s/^(\"|\')//; $field=~s/(\"|\')$//; - $components{$i}=$field; + $components{&takeleft($i)}=$field; $i++; } - } elsif ($ENV{'form.upfiletype'} eq 'tab') { + } elsif ($env{'form.upfiletype'} eq 'tab') { my $i=0; - foreach (split(/\t/,$record)) { - my $field=$_; + foreach my $field (split(/\t/,$record)) { $field=~s/^(\"|\')//; $field=~s/(\"|\')$//; - $components{$i}=$field; + $components{&takeleft($i)}=$field; $i++; } } else { @@ -3075,7 +4344,7 @@ sub record_sep { $field=~s/^\s*$delimiter//; $field=~s/$delimiter\s*$//; } - $components{$i}=$field; + $components{&takeleft($i)}=$field; $i++; } } @@ -3112,6 +4381,22 @@ sub upfile_select_html { return $Str; } +sub get_samples { + my ($records,$toget) = @_; + my @samples=({}); + my $got=0; + foreach my $rec (@$records) { + my %temp = &record_sep($rec); + if (! grep(/\S/, values(%temp))) { next; } + if (%temp) { + $samples[$got]=\%temp; + $got++; + if ($got == $toget) { last; } + } + } + return \@samples; +} + ###################################################### ###################################################### @@ -3129,20 +4414,17 @@ Apache Request ref, $records is an array ###################################################### sub csv_print_samples { my ($r,$records) = @_; - my (%sone,%stwo,%sthree); - %sone=&record_sep($$records[0]); - if (defined($$records[1])) {%stwo=&record_sep($$records[1]);} - if (defined($$records[2])) {%sthree=&record_sep($$records[2]);} - # + my $samples = &get_samples($records,3); + $r->print(&mt('Samples').'
'); - foreach (sort({$a <=> $b} keys(%sone))) { - $r->print(''); } + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { + $r->print(''); } $r->print(''); - foreach my $hash (\%sone,\%stwo,\%sthree) { + foreach my $hash (@$samples) { $r->print(''); - foreach (sort({$a <=> $b} keys(%sone))) { + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { $r->print(''); } $r->print(''); @@ -3169,23 +4451,23 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_print_select_table { my ($r,$records,$d) = @_; - my $i=0;my %sone; - %sone=&record_sep($$records[0]); + my $i=0; + my $samples = &get_samples($records,1); $r->print(&mt('Associate columns with student attributes.')."\n". '
'.&mt('Column [_1]',($_+1)).''.&mt('Column [_1]',($sample+1)).'
'); - if (defined($$hash{$_})) { $r->print($$hash{$_}); } + if (defined($$hash{$sample})) { $r->print($$hash{$sample}); } $r->print('
'. ''. ''."\n"); - foreach (@$d) { - my ($value,$display,$defaultcol)=@{ $_ }; + foreach my $array_ref (@$d) { + my ($value,$display,$defaultcol)=@{ $array_ref }; $r->print(''); $r->print(''."\n"); $i++; @@ -3213,28 +4495,27 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_samples_select_table { my ($r,$records,$d) = @_; - my %sone; my %stwo; my %sthree; my $i=0; # + my $samples = &get_samples($records,3); $r->print('
'.&mt('Attribute').''.&mt('Column').'
'.$display.'
'); - %sone=&record_sep($$records[0]); - if (defined($$records[1])) {%stwo=&record_sep($$records[1]);} - if (defined($$records[2])) {%sthree=&record_sep($$records[2]);} - # - foreach (sort keys %sone) { + + foreach my $key (sort(keys(%{ $samples->[0] }))) { $r->print(''); $i++; } @@ -3323,7 +4604,7 @@ the routine &Apache::lonnet::transfer_pr my $uniq=0; sub get_cgi_id { $uniq=($uniq+1)%100000; - return (time.'_'.$uniq); + return (time.'_'.$$.'_'.$uniq); } ############################################################ @@ -3359,6 +4640,9 @@ they are plotted. If undefined, default =item @Values: An array of array references. Each array reference holds data to be plotted in a stacked bar chart. +=item If the final element of @Values is a hash reference the key/value +pairs will be added to the graph definition. + =back Returns: @@ -3739,34 +5023,35 @@ Returns: both routines return nothing sub store_course_settings { # save to the environment # appenv the same items, just to be safe - my $courseid = $ENV{'request.course.id'}; - my $coursedom = $ENV{'course.'.$courseid.'.domain'}; + my $courseid = $env{'request.course.id'}; + my $udom = $env{'user.domain'}; + my $uname = $env{'user.name'}; my ($prefix,$Settings) = @_; my %SaveHash; my %AppHash; while (my ($setting,$type) = each(%$Settings)) { - my $basename = 'internal.'.$prefix.'.'.$setting; - my $envname = 'course.'.$courseid.'.'.$basename; - if (exists($ENV{'form.'.$setting})) { + my $basename = join('.','internal',$courseid,$prefix,$setting); + my $envname = 'environment.'.$basename; + if (exists($env{'form.'.$setting})) { # Save this value away if ($type eq 'scalar' && - (! exists($ENV{$envname}) || - $ENV{$envname} ne $ENV{'form.'.$setting})) { - $SaveHash{$basename} = $ENV{'form.'.$setting}; - $AppHash{$envname} = $ENV{'form.'.$setting}; + (! exists($env{$envname}) || + $env{$envname} ne $env{'form.'.$setting})) { + $SaveHash{$basename} = $env{'form.'.$setting}; + $AppHash{$envname} = $env{'form.'.$setting}; } elsif ($type eq 'array') { my $stored_form; - if (ref($ENV{'form.'.$setting})) { + if (ref($env{'form.'.$setting})) { $stored_form = join(',', map { &Apache::lonnet::escape($_); - } sort(@{$ENV{'form.'.$setting}})); + } sort(@{$env{'form.'.$setting}})); } else { $stored_form = - &Apache::lonnet::escape($ENV{'form.'.$setting}); + &Apache::lonnet::escape($env{'form.'.$setting}); } # Determine if the array contents are the same. - if ($stored_form ne $ENV{$envname}) { + if ($stored_form ne $env{$envname}) { $SaveHash{$basename} = $stored_form; $AppHash{$envname} = $stored_form; } @@ -3774,8 +5059,7 @@ sub store_course_settings { } } my $put_result = &Apache::lonnet::put('environment',\%SaveHash, - $coursedom, - $ENV{'course.'.$courseid.'.num'}); + $udom,$uname); if ($put_result !~ /^(ok|delayed)/) { &Apache::lonnet::logthis('unable to save form parameters, '. 'got error:'.$put_result); @@ -3786,20 +5070,20 @@ sub store_course_settings { } sub restore_course_settings { - my $courseid = $ENV{'request.course.id'}; + my $courseid = $env{'request.course.id'}; my ($prefix,$Settings) = @_; while (my ($setting,$type) = each(%$Settings)) { - next if (exists($ENV{'form.'.$setting})); - my $envname = 'course.'.$courseid.'.internal.'.$prefix. + next if (exists($env{'form.'.$setting})); + my $envname = 'environment.internal.'.$courseid.'.'.$prefix. '.'.$setting; - if (exists($ENV{$envname})) { + if (exists($env{$envname})) { if ($type eq 'scalar') { - $ENV{'form.'.$setting} = $ENV{$envname}; + $env{'form.'.$setting} = $env{$envname}; } elsif ($type eq 'array') { - $ENV{'form.'.$setting} = [ + $env{'form.'.$setting} = [ map { &Apache::lonnet::unescape($_); - } split(',',$ENV{$envname}) + } split(',',$env{$envname}) ]; } } @@ -3832,7 +5116,7 @@ sub icon { $curfext.".gif"; } } - return $iconname; + return &lonhttpdurl($iconname); } sub lonhttpdurl { @@ -3870,7 +5154,7 @@ sub escape_double { # Escapes the last element of a full URL. sub escape_url { my ($url) = @_; - my @urlslices = split(/\//, $url); + my @urlslices = split(/\//, $url,-1); my $lastitem = &Apache::lonnet::escape(pop(@urlslices)); return join('/',@urlslices).'/'.$lastitem; }
'. &mt('Field').''.&mt('Samples').'
'); - if (defined($sone{$_})) { $r->print($sone{$_}."
\n"); } - if (defined($stwo{$_})) { $r->print($stwo{$_}."
\n"); } - if (defined($sthree{$_})) { $r->print($sthree{$_}."
\n"); } + foreach my $line (0..2) { + if (defined($samples->[$line]{$key})) { + $r->print($samples->[$line]{$key}."
\n"); + } + } $r->print('