--- loncom/interface/loncommon.pm 2004/07/12 17:02:07 1.198 +++ loncom/interface/loncommon.pm 2007/08/24 07:20:22 1.564.2.1 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.198 2004/07/12 17:02:07 raeburn Exp $ +# $Id: loncommon.pm,v 1.564.2.1 2007/08/24 07:20:22 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -55,17 +55,25 @@ 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::lonmsg(); use Apache::lonmenu(); +use Apache::lonenc(); use Apache::lonlocal; use HTML::Entities; +use Apache::lonhtmlcommon(); +use Apache::loncoursedata(); +use Apache::lontexconvert(); +use Apache::lonclonecourse(); +use LONCAPA qw(:DEFAULT :match); + +# ---------------------------------------------- Designs +use vars qw(%defaultdesign); my $readit; + ## ## Global Variables ## @@ -75,13 +83,9 @@ my %language; my %supported_language; my %cprtag; my %scprtag; -my %fe; my %fd; +my %fe; my %fd; my %fm; my %category_extensions; -# ---------------------------------------------- Designs - -my %designhash; - # ---------------------------------------------- Thesaurus variables # # %Keywords: @@ -106,10 +110,10 @@ 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; @@ -123,63 +127,52 @@ 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); } } -# -------------------------------------------------------------- domain designs - - my $filename; +# -------------------------------------------------------------- default domain designs my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors'; - opendir(DIR,$designdir); - while ($filename=readdir(DIR)) { - 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.'/default.tab'; + if ( open (my $fh,"<$designfile") ) { + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($key,$val)=(split(/\=/,$line)); + if ($val) { $defaultdesign{$key}=$val; } } + close($fh); } - } - closedir(DIR); - - # ------------------------------------------------------------- file categories { 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); @@ -191,13 +184,14 @@ 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); @@ -250,8 +244,11 @@ of the element the selection from the se =cut sub browser_and_searcher_javascript { - my $resurl=&lastresurl(); + my ($mode)=@_; + if (!defined($mode)) { $mode='edit'; } + my $resurl=&escape_single(&lastresurl()); return < END } sub lastresurl { - if ($ENV{'environment.lastresurl'}) { - return $ENV{'environment.lastresurl'} + if ($env{'environment.lastresurl'}) { + return $env{'environment.lastresurl'} } else { return '/res'; } @@ -318,17 +324,22 @@ sub storeresurl { sub studentbrowser_javascript { unless ( - (($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'}) + )) + || ($env{'request.role'}=~/^(au|dc|su)/) ) { return ''; } return (<<'ENDSTDBRW'); + + function getFormIdByName(formname) { + for (var i=0;i".&mt('Select Course').""; + my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_; + return "".&mt('Select Course').""; +} + +sub check_uncheck_jscript { + my $jscript = <<"ENDSCRT"; +function checkAll(field) { + if (field.length > 0) { + for (i = 0; i < field.length; i++) { + field[i].checked = true ; + } + } else { + field.checked = true + } +} + +function uncheckAll(field) { + if (field.length > 0) { + for (i = 0; i < field.length; i++) { + field[i].checked = false ; + } + } else { + field.checked = false ; + } +} +ENDSCRT + return $jscript; } + =pod =item * linked_select_forms(...) @@ -481,7 +616,7 @@ sub linked_select_forms { my $first = "document.$formname.$firstselectname"; # output the javascript to do the changing my $result = ''; - $result.=" +ENDOUTPUT + return $output; +} + +# now just updates the help link and generates a blue icon +sub help_open_menu { + my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text) + = @_; + $stayOnPage = 0 if (not defined $stayOnPage); + # formerly only used pop-up help (stayOnPage = 0) + # if environment.remote is on (using remote control UI) + # if ($env{'browser.interface'} eq 'textual' || + # $env{'environment.remote'} eq 'off' ) { + # $stayOnPage=1; + #} + # Now making pop-up help the default even with remote control + if ($env{'browser.interface'} eq 'textual') { + $stayOnPage=1; } - my $banner_link = "/adm/helpmenu?page=banner&color=$color&function=$function&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage"; - my $details_link = "/adm/helpmenu?page=body&color=$color&function=$function&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp"; - my $template; - if ($text ne "") { - $template .= - "". - "
$text"; + my $output; + if ($component_help) { + if (!$text) { + $output=&help_open_topic($component_help,undef,$stayOnPage, + $width,$height); + } else { + my $help_text; + $help_text=&unescape($topic); + $output='
'. + &help_open_topic($component_help,$help_text,$stayOnPage, + $width,$height).'
'; + } } - $template .= <<"ENDTEMPLATE"; - - (Help Menu) +// ]]> +// END LON-CAPA Internal --> + ENDTEMPLATE - if ($text ne '') { $template.='
' }; return $template; } sub help_open_bug { my ($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); @@ -708,8 +926,8 @@ sub help_open_bug { $topic=~s/\W+/\+/g; my $link=''; my $template=''; - my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='. - &Apache::lonnet::escape($ENV{'REQUEST_URI'}).'&component='.$topic; + my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='. + &escape($ENV{'REQUEST_URI'}).'&component='.$topic; if (!$stayOnPage) { $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))"; @@ -723,13 +941,14 @@ sub help_open_bug { { $template .= "". - "
$text"; + "$text"; } # Add the graphic my $title = &mt('Report a Bug'); + my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif"); $template .= <<"ENDTEMPLATE"; - (Bug: $topic) + (Bug: $topic) ENDTEMPLATE if ($text ne '') { $template.='
' }; return $template; @@ -738,12 +957,12 @@ ENDTEMPLATE sub help_open_faq { my ($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); @@ -767,13 +986,14 @@ sub help_open_faq { { $template .= "". - "
$text"; + "$text"; } # Add the graphic my $title = &mt('View the FAQ'); + my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif"); $template .= <<"ENDTEMPLATE"; - (FAQ: $topic) + (FAQ: $topic) ENDTEMPLATE if ($text ne '') { $template.='
' }; return $template; @@ -785,6 +1005,98 @@ ENDTEMPLATE =pod +=item * change_content_javascript(): + +This and the next function allow you to create small sections of an +otherwise static HTML page that you can update on the fly with +Javascript, even in Netscape 4. + +The Javascript fragment returned by this function (no EscriptE tag) +must be written to the HTML page once. It will prove the Javascript +function "change(name, content)". Calling the change function with the +name of the section +you want to update, matching the name passed to C, and +the new content you want to put in there, will put the content into +that area. + +B: Netscape 4 only reserves enough space for the changable area +to contain room for the original contents. You need to "make space" +for whatever changes you wish to make, and be B to check your +code in Netscape 4. This feature in Netscape 4 is B powerful; +it's adequate for updating a one-line status display, but little more. +This script will set the space to 100% width, so you only need to +worry about height in Netscape 4. + +Modern browsers are much less limiting, and if you can commit to the +user not using Netscape 4, this feature may be used freely with +pretty much any HTML. + +=cut + +sub change_content_javascript { + # If we're on Netscape 4, we need to use Layer-based code + if ($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' @@ -797,11 +1109,10 @@ format. sub csv_translate { my $text = shift; $text =~ s/\"/\"\"/g; - $text =~ s/\n//g; + $text =~ s/\n/ /g; return $text; } - ############################################################### ############################################################### @@ -825,6 +1136,10 @@ Currently supported formats: =item h3 +=item h4 + +=item i + =item date =back @@ -847,8 +1162,10 @@ 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=> - 'mmm d yyyy hh:mm AM/PM'); + 'mm/dd/yyyy hh:mm:ss'); return $format; } @@ -857,84 +1174,83 @@ sub define_excel_formats { =pod -=item * change_content_javascript(): +=item * create_workbook -This and the next function allow you to create small sections of an -otherwise static HTML page that you can update on the fly with -Javascript, even in Netscape 4. +Create an Excel worksheet. If it fails, output message on the +request object and return undefs. -The Javascript fragment returned by this function (no EscriptE tag) -must be written to the HTML page once. It will prove the Javascript -function "change(name, content)". Calling the change function with the -name of the section -you want to update, matching the name passed to C, and -the new content you want to put in there, will put the content into -that area. +Inputs: Apache request object -B: Netscape 4 only reserves enough space for the changable area -to contain room for the original contents. You need to "make space" -for whatever changes you wish to make, and be B to check your -code in Netscape 4. This feature in Netscape 4 is B powerful; -it's adequate for updating a one-line status display, but little more. -This script will set the space to 100% width, so you only need to -worry about height in Netscape 4. - -Modern browsers are much less limiting, and if you can commit to the -user not using Netscape 4, this feature may be used freely with -pretty much any HTML. +Returns (undef) on failure, + Excel worksheet object, scalar with filename, and formats + from &Apache::loncommon::define_excel_formats on success =cut -sub change_content_javascript { - # If we're on Netscape 4, we need to use Layer-based code - if ($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. $origContent is what -the area will originally contain, which can be left blank. +Create a file to write to and eventually make available to the user. +If file creation fails, outputs an error message on the request object and +return undefs. -=cut +Inputs: Apache request object, and file suffix -sub changable_area { - my ($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 @@ -944,60 +1260,74 @@ sub changable_area { ## Home server \n"; + foreach my $key (@keys) { + $selectform.= + '\n"; } $selectform.=""; return $selectform; } +# For display filters + +sub display_filter { + if (!$env{'form.show'}) { $env{'form.show'}=10; } + if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; } + return ' '. + &mt('Filter [_1]', + &select_form($env{'form.displayfilter'}, + 'displayfilter', + ('currentfolder' => 'Current folder/page', + 'containing' => 'Containing phrase', + 'none' => 'None'))). + ''; +} + sub gradeleveldescription { my $gradelevel=shift; my %gradelevels=(0 => 'Not specified', @@ -1064,7 +1413,7 @@ sub select_level_form { my $selectform = ""; @@ -1075,7 +1424,7 @@ sub select_level_form { =pod -=item * select_dom_form($defdom,$name,$includeempty) +=item * select_dom_form($defdom,$name,$includeempty,$showdomdesc) Returns a string containing a \n"; - foreach (@domains) { - $selectdomain.="\n"; + foreach my $dom (@domains) { + $selectdomain.="\n"; } $selectdomain.=""; return $selectdomain; @@ -1105,30 +1464,6 @@ sub select_dom_form { =pod -=item * get_library_servers($domain) - -Returns a hash which contains keys like '103l3' and values like -'kirk.lite.msu.edu'. All of the keys will be for machines in the -given $domain. - -=cut - -#------------------------------------------- -sub get_library_servers { - my $domain = shift; - my %library_servers; - foreach (keys(%Apache::lonnet::libserv)) { - if ($Apache::lonnet::hostdom{$_} eq $domain) { - $library_servers{$_} = $Apache::lonnet::hostname{$_}; - } - } - return %library_servers; -} - -#------------------------------------------- - -=pod - =item * home_server_option_list($domain) returns a string which contains an \n"; + '\n"; } return $result; } =pod -=back +=back =cut @@ -1193,9 +1529,11 @@ Outputs: ############################################################### ############################################################### sub decode_user_agent { + my ($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=''; @@ -1391,10 +1729,11 @@ sub authform_nochange{ kerb_def_dom => 'MSU.EDU', @_, ); - my $result = &mt('[_1] Do not change login data', + my $result = ''; return $result; } @@ -1426,14 +1765,15 @@ 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; } @@ -1458,9 +1798,9 @@ sub authform_internal{ my $jscall = "javascript:changed_radio('int',$args{'formname'});"; my $result.=&mt ('[_1] Internally authenticated (with initial password [_2])', - '', - ''); return $result; } @@ -1485,9 +1825,9 @@ sub authform_local{ my $jscall = "javascript:changed_radio('loc',$in{'formname'});"; my $result.=&mt('[_1] Local Authentication with argument [_2]', - '', - ''); return $result; } @@ -1501,9 +1841,9 @@ sub authform_filesystem{ my $jscall = "javascript:changed_radio('fsys',$in{'formname'});"; my $result.= &mt ('[_1] Filesystem Authenticated (with initial password [_2])', - '', - ''); return $result; } @@ -1536,7 +1876,9 @@ If target_domain is not found in domain. #------------------------------------------- sub get_auth_defaults { my $domain=shift; - return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain}); + return (&Apache::lonnet::domain($domain,'auth_def'), + &Apache::lonnet::domain($domain,'auth_arg_def')); + } ############################################################### ## End Get Authentication Defaults for Domain ## @@ -1629,8 +1971,8 @@ sub initialize_keywords { } untie %thesaurus_db; # Remove special values from %Keywords. - foreach ('total.count','average.count') { - delete($Keywords{$_}) if (exists($Keywords{$_})); + foreach my $value ('total.count','average.count') { + delete($Keywords{$value}) if (exists($Keywords{$value})); } return 1; } @@ -1685,12 +2027,20 @@ sub get_related_words { return (); } my @Words=(); + my $count=0; if (exists($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. - for (my $i=0;$i<=$#Words;$i++) { - ($Words[$i],undef)= split/\,/,$Words[$i]; + # The first element is the number of times + # the word appears. We do not need it now. + my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword})); + my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]); + my $threshold=$mostfrequentcount/10; + foreach my $possibleword (@RelatedWords) { + my ($word,$wordcount)=split(/\,/,$possibleword); + if ($wordcount>$threshold) { + push(@Words,$word); + $count++; + if ($count>10) { last; } + } } } untie %thesaurus_db; @@ -1710,24 +2060,29 @@ sub get_related_words { =over 4 -=item * plainname($uname,$udom) +=item * plainname($uname,$udom,$first) Takes a users logon name and returns it as a string in -"first middle last generation" form +"first middle last generation" form +if $first is set to 'lastname' then it returns it as +'lastname generation, firstname middlename' if their is a lastname =cut + ############################################################### sub plainname { - my ($uname,$udom)=@_; - my %names=&Apache::lonnet::get('environment', - ['firstname','middlename','lastname','generation'], - $udom,$uname); - my $name=$names{'firstname'}.' '.$names{'middlename'}.' '. - $names{'lastname'}.' '.$names{'generation'}; + my ($uname,$udom,$first)=@_; + return if (!defined($uname) || !defined($udom)); + my %names=&getnames($uname,$udom); + my $name=&Apache::lonnet::format_name($names{'firstname'}, + $names{'middlename'}, + $names{'lastname'}, + $names{'generation'},$first); + $name=~s/^\s+//; $name=~s/\s+$//; $name=~s/\s+/ /g; - if ($name !~ /\S/) { $name=$uname.'@'.$udom; } + if ($name !~ /\S/) { $name=$uname.':'.$udom; } return $name; } @@ -1750,8 +2105,8 @@ if the user does not sub nickname { my ($uname,$udom)=@_; - my %names=&Apache::lonnet::get('environment', - ['nickname','firstname','middlename','lastname','generation'],$udom,$uname); + return if (!defined($uname) || !defined($udom)); + my %names=&getnames($uname,$udom); my $name=$names{'nickname'}; if ($name) { $name='"'.$name.'"'; @@ -1764,6 +2119,67 @@ sub nickname { return $name; } +sub getnames { + my ($uname,$udom)=@_; + return if (!defined($uname) || !defined($udom)); + if ($udom eq 'public' && $uname eq 'public') { + return ('lastname' => &mt('Public')); + } + 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',$id,\%loadnames); + return %loadnames; + } +} + +# -------------------------------------------------------------------- getemails +=pod + +=item * getemails($uname,$udom) + +Gets a user's email information and returns it as a hash with keys: +notification, critnotification, permanentemail + +For notification and critnotification, values are comma-separated lists +of e-mail address(es); for permanentemail, value is a single e-mail address. + +=cut + +sub getemails { + my ($uname,$udom)=@_; + if ($udom eq 'public' && $uname eq 'public') { + return; + } + if (!$udom) { $udom=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $id=$uname.':'.$udom; + my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id); + if ($cached) { + return %{$names}; + } else { + my %loadnames=&Apache::lonnet::get('environment', + ['notification','critnotification', + 'permanentemail'], + $udom,$uname); + &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames); + return %loadnames; + } +} + +sub flush_email_cache { + my ($uname,$udom)=@_; + if (!$udom) { $udom =$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + return if ($udom eq 'public' && $uname eq 'public'); + my $id=$uname.':'.$udom; + &Apache::lonnet::devalidate_cache_new('emailscache',$id); +} # ------------------------------------------------------------------ Screenname @@ -1777,17 +2193,22 @@ Gets a users screenname and returns it a sub screenname { my ($uname,$udom)=@_; - my %names= - &Apache::lonnet::get('environment',['screenname'],$udom,$uname); + 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 $names{'screenname'}; } + # ------------------------------------------------------------- Message Wrapper sub messagewrapper { - my ($link,$un,$do)=@_; + my ($link,$username,$domain,$subject,$text)=@_; return -"$link"; + ''.$link.''; } # --------------------------------------------------------------- Notes Wrapper @@ -1800,8 +2221,11 @@ sub noteswrapper { sub aboutmewrapper { my ($link,$username,$domain,$target)=@_; - return "$link"; + if (!defined($username) && !defined($domain)) { + return; + } + return ''.$link.''; } # ------------------------------------------------------------ Syllabus Wrapper @@ -1812,7 +2236,41 @@ sub syllabuswrapper { if ($fontcolor) { $linktext=''.$linktext.''; } - return "$linktext"; + return qq{$linktext}; +} + +sub track_student_link { + 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"; + $title .= ' of this student'; + } + if (defined($target) && $target !~ /^\s*$/) { + $target = qq{target="$target"}; + } else { + $target = ''; + } + if ($start) { $link.='&start='.$start; } + $title = &mt($title); + $linktext = &mt($linktext); + return qq{$linktext}. + &help_open_topic('View_recent_activity'); +} + +# ===================================================== Display a student photo + + +sub student_image_tag { + my ($domain,$user)=@_; + my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg'); + if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) { + return ''; + } else { + return ''; + } } =pod @@ -1928,7 +2386,8 @@ category =cut sub filecategorytypes { - return @{$category_extensions{lc($_[0])}}; + my ($cat) = @_; + return @{$category_extensions{lc($cat)}}; } =pod @@ -1943,6 +2402,10 @@ sub fileembstyle { return $fe{lc(shift(@_))}; } +sub filemimetype { + return $fm{lc(shift(@_))}; +} + sub filecategoryselect { my ($name,$value)=@_; @@ -1999,13 +2462,13 @@ 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; @@ -2013,38 +2476,41 @@ 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 ($env{'environment.languages'}) { + @languages=(@languages, + split(/\s*(\,|\;|\:)\s*/,$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($env{'user.domain'},'lang_def')) { @languages=(@languages, - $Apache::lonnet::domain_lang_def{$ENV{'user.domain'}}); + &Apache::lonnet::domain($env{'user.domain'}, + 'lang_def')); } - if ($Apache::lonnet::domain_lang_def{$ENV{'request.role.domain'}}) { + if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) { @languages=(@languages, - $Apache::lonnet::domain_lang_def{$ENV{'request.role.domain'}}); + &Apache::lonnet::domain($env{'request.role.domain'}, + 'lang_def')); } - if ($Apache::lonnet::domain_lang_def{ - $Apache::lonnet::perlvar{'lonDefDomain'}}) { + if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'}, + 'lang_def')) { @languages=(@languages, - $Apache::lonnet::domain_lang_def{ - $Apache::lonnet::perlvar{'lonDefDomain'}}); + &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'}, + 'lang_def')); } # 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; @@ -2100,14 +2566,14 @@ 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); @@ -2123,27 +2589,27 @@ 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.=''; } } } $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)} + $value=&unescape($value); + if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} $prevattempts.=''; } $prevattempts.='
History
Transaction '.$version.''.&Apache::lonnet::unescape($value).' '.&unescape($value).' 
Current'.$value.' 
'; @@ -2175,14 +2641,14 @@ 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$2/; } } # -------------------------------------------------- Deal with Applet codebases @@ -2209,7 +2675,7 @@ sub get_student_view { if (defined($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; @@ -2241,7 +2707,8 @@ sub get_student_answers { } $moreenv{'grade_target'}='answer'; %moreenv=(%form,%moreenv); - my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv); + $feedurl = &Apache::lonnet::clutter($feedurl); + my $userview=&Apache::lonnet::ssi($feedurl,%moreenv); return $userview; } @@ -2249,7 +2716,7 @@ sub get_student_answers { =item * &submlink() -Inputs: $text $uname $udom $symb +Inputs: $text $uname $udom $symb $target Returns: A link to grades.pm such as to see the SUBM view of a student @@ -2257,15 +2724,64 @@ Returns: A link to grades.pm such as to ############################################### sub submlink { - my ($text,$uname,$udom,$symb)=@_; + my ($text,$uname,$udom,$symb,$target)=@_; if (!($uname && $udom)) { (my $cursymb, my $courseid,$udom,$uname)= - &Apache::lonxml::whichuser($symb); + &Apache::lonnet::whichuser($symb); if (!$symb) { $symb=$cursymb; } } - if (!$symb) { $symb=&symbread(); } - return ''.$text.''; + if (!$symb) { $symb=&Apache::lonnet::symbread(); } + $symb=&escape($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,$uname)= + &Apache::lonnet::whichuser($symb); + if (!$symb) { $symb=$cursymb; } + } + if (!$symb) { $symb=&Apache::lonnet::symbread(); } + $symb=&escape($symb); + if ($target) { $target="target=\"$target\""; } + return ''.$text.''; } ############################################## @@ -2291,35 +2807,391 @@ sub timehash { 'dlsav' => $ltime[8] ); } +sub utc_string { + my ($date)=@_; + return strftime("%Y%m%dT%H%M%SZ",gmtime($date)); +} + sub maketime { my %th=@_; return POSIX::mktime( ($th{'seconds'},$th{'minutes'},$th{'hours'}, - $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,$th{'dlsav'})); + $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1)); } ######################################### sub findallcourses { - my %courses=(); + my ($roles,$uname,$udom) = @_; + 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)=$ENV{$_}; - my $active=1; - if ($starttime) { - if ($now<$starttime) { $active=0; } + if (!defined($uname)) { + $uname = $env{'user.name'}; + } + if (!defined($udom)) { + $udom = $env{'user.domain'}; + } + if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) { + my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname); + if (!%roles) { + %roles = ( + cc => 1, + in => 1, + ep => 1, + ta => 1, + cr => 1, + st => 1, + ); + } + foreach my $entry (keys(%roleshash)) { + my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry}); + if ($trole =~ /^cr/) { + next if (!exists($roles{$trole}) && !exists($roles{'cr'})); + } else { + next if (!exists($roles{$trole})); + } + if ($tend) { + next if ($tend < $now); } - if ($endtime) { - if ($now>$endtime) { $active=0; } + if ($tstart) { + next if ($tstart > $now); + } + my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec); + (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry); + if ($secpart eq '') { + ($cnum,$role) = split(/_/,$cnumpart); + $sec = 'none'; + $realsec = ''; + } else { + $cnum = $cnumpart; + ($sec,$role) = split(/_/,$secpart); + $realsec = $sec; + } + $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec; + } + } else { + foreach my $key (keys(%env)) { + if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} || + $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) { + my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4); + next if ($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) { $active=0; } + } + if ($endtime) { + if ($now>$endtime) { $active=0; } + } + if ($active) { + if ($sec eq '') { + $sec = 'none'; + } + $courses{$cdom.'_'.$cnum}{$sec} = + $role.'/'.$cdom.'/'.$cnum.'/'.$sec; + } } - if ($active) { $courses{$1.'_'.$2}=1; } } } - return keys %courses; + return %courses; } ############################################### + +sub blockcheck { + my ($setters,$activity,$uname,$udom) = @_; + + if (!defined($udom)) { + $udom = $env{'user.domain'}; + } + if (!defined($uname)) { + $uname = $env{'user.name'}; + } + + # If uname and udom are for a course, check for blocks in the course. + + if (&Apache::lonnet::is_course($udom,$uname)) { + my %records = &Apache::lonnet::dump('comm_block',$udom,$uname); + my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname); + return ($startblock,$endblock); + } + + my $startblock = 0; + my $endblock = 0; + my %live_courses = &findallcourses(undef,$uname,$udom); + + # If uname is for a user, and activity is course-specific, i.e., + # boards, chat or groups, check for blocking in current course only. + + if (($activity eq 'boards' || $activity eq 'chat' || + $activity eq 'groups') && ($env{'request.course.id'})) { + foreach my $key (keys(%live_courses)) { + if ($key ne $env{'request.course.id'}) { + delete($live_courses{$key}); + } + } + } + + my $otheruser = 0; + my %own_courses; + if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) { + # Resource belongs to user other than current user. + $otheruser = 1; + # Gather courses for current user + %own_courses = + &findallcourses(undef,$env{'user.name'},$env{'user.domain'}); + } + + # Gather active course roles - course coordinator, instructor, + # exam proctor, ta, student, or custom role. + + foreach my $course (keys(%live_courses)) { + my ($cdom,$cnum); + if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) { + $cdom = $env{'course.'.$course.'.domain'}; + $cnum = $env{'course.'.$course.'.num'}; + } else { + ($cdom,$cnum) = split(/_/,$course); + } + my $no_ownblock = 0; + my $no_userblock = 0; + if ($otheruser && $activity ne 'com') { + # Check if current user has 'evb' priv for this + if (defined($own_courses{$course})) { + foreach my $sec (keys(%{$own_courses{$course}})) { + my $checkrole = 'cm./'.$cdom.'/'.$cnum; + if ($sec ne 'none') { + $checkrole .= '/'.$sec; + } + if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) { + $no_ownblock = 1; + last; + } + } + } + # if they have 'evb' priv and are currently not playing student + next if (($no_ownblock) && + ($env{'request.role'} !~ m{^st\./$cdom/$cnum})); + } + foreach my $sec (keys(%{$live_courses{$course}})) { + my $checkrole = 'cm./'.$cdom.'/'.$cnum; + if ($sec ne 'none') { + $checkrole .= '/'.$sec; + } + if ($otheruser) { + # Resource belongs to user other than current user. + # Assemble privs for that user, and check for 'evb' priv. + my ($trole,$tdom,$tnum,$tsec); + my $entry = $live_courses{$course}{$sec}; + if ($entry =~ /^cr/) { + ($trole,$tdom,$tnum,$tsec) = + ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|); + } else { + ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry); + } + my ($spec,$area,$trest,%allroles,%userroles); + $area = '/'.$tdom.'/'.$tnum; + $trest = $tnum; + if ($tsec ne '') { + $area .= '/'.$tsec; + $trest .= '/'.$tsec; + } + $spec = $trole.'.'.$area; + if ($trole =~ /^cr/) { + &Apache::lonnet::custom_roleprivs(\%allroles,$trole, + $tdom,$spec,$trest,$area); + } else { + &Apache::lonnet::standard_roleprivs(\%allroles,$trole, + $tdom,$spec,$trest,$area); + } + my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles); + if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) { + if ($1) { + $no_userblock = 1; + last; + } + } + } else { + # Resource belongs to current user + # Check for 'evb' priv via lonnet::allowed(). + if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) { + $no_ownblock = 1; + last; + } + } + } + # if they have the evb priv and are currently not playing student + next if (($no_ownblock) && + ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E})); + next if ($no_userblock); + + # Retrieve blocking times and identity of blocker for course + # of specified user, unless user has 'evb' privilege. + + my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum); + if (($start != 0) && + (($startblock == 0) || ($startblock > $start))) { + $startblock = $start; + } + if (($end != 0) && + (($endblock == 0) || ($endblock < $end))) { + $endblock = $end; + } + } + return ($startblock,$endblock); +} + +sub get_blocks { + my ($setters,$activity,$cdom,$cnum) = @_; + my $startblock = 0; + my $endblock = 0; + my $course = $cdom.'_'.$cnum; + $setters->{$course} = {}; + $setters->{$course}{'staff'} = []; + $setters->{$course}{'times'} = []; + my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum); + foreach my $record (keys(%records)) { + my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/); + if ($start <= time && $end >= time) { + my ($staff_name,$staff_dom,$title,$blocks) = + &parse_block_record($records{$record}); + if ($blocks->{$activity} eq 'on') { + push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]); + push(@{$$setters{$course}{'times'}}, [$start,$end]); + if ( ($startblock == 0) || ($startblock > $start) ) { + $startblock = $start; + } + if ( ($endblock == 0) || ($endblock < $end) ) { + $endblock = $end; + } + } + } + } + return ($startblock,$endblock); +} + +sub parse_block_record { + my ($record) = @_; + my ($setuname,$setudom,$title,$blocks); + if (ref($record) eq 'HASH') { + ($setuname,$setudom) = split(/:/,$record->{'setter'}); + $title = &unescape($record->{'event'}); + $blocks = $record->{'blocks'}; + } else { + my @data = split(/:/,$record,3); + if (scalar(@data) eq 2) { + $title = $data[1]; + ($setuname,$setudom) = split(/@/,$data[0]); + } else { + ($setuname,$setudom,$title) = @data; + } + $blocks = { 'com' => 'on' }; + } + return ($setuname,$setudom,$title,$blocks); +} + +sub build_block_table { + my ($startblock,$endblock,$setters) = @_; + my %lt = &Apache::lonlocal::texthash( + 'cacb' => 'Currently active communication blocks', + 'cour' => 'Course', + 'dura' => 'Duration', + 'blse' => 'Block set by' + ); + my $output; + $output = '
'.$lt{'cacb'}.':
'; + $output .= &start_data_table(); + $output .= ' + + '.$lt{'cour'}.' + '.$lt{'dura'}.' + '.$lt{'blse'}.' + +'; + foreach my $course (keys(%{$setters})) { + my %courseinfo=&Apache::lonnet::coursedescription($course); + for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) { + my ($uname,$udom) = @{$$setters{$course}{staff}[$i]}; + my $fullname = &plainname($uname,$udom); + if (defined($env{'user.name'}) && defined($env{'user.domain'}) + && $env{'user.name'} ne 'public' + && $env{'user.domain'} ne 'public') { + $fullname = &aboutmewrapper($fullname,$uname,$udom); + } + my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]}; + $openblock = &Apache::lonlocal::locallocaltime($openblock); + $closeblock= &Apache::lonlocal::locallocaltime($closeblock); + $output .= &Apache::loncommon::start_data_table_row(). + ''.$courseinfo{'description'}.''. + ''.$openblock.' to '.$closeblock.''. + ''.$fullname.''. + &Apache::loncommon::end_data_table_row(); + } + } + $output .= &end_data_table(); +} + +sub blocking_status { + my ($activity,$uname,$udom) = @_; + my %setters; + my ($blocked,$output,$ownitem,$is_course); + my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom); + if ($startblock && $endblock) { + $blocked = 1; + if (wantarray) { + my $category; + if ($activity eq 'boards') { + $category = 'Discussion posts in this course'; + } elsif ($activity eq 'blogs') { + $category = 'Blogs'; + } elsif ($activity eq 'port') { + if (defined($uname) && defined($udom)) { + if ($uname eq $env{'user.name'} && + $udom eq $env{'user.domain'}) { + $ownitem = 1; + } + } + $is_course = &Apache::lonnet::is_course($udom,$uname); + if ($ownitem) { + $category = 'Your portfolio files'; + } elsif ($is_course) { + my $coursedesc; + foreach my $course (keys(%setters)) { + my %courseinfo = + &Apache::lonnet::coursedescription($course); + $coursedesc = $courseinfo{'description'}; + } + $category = "Group files in the course '$coursedesc'"; + } else { + $category = 'Portfolio files belonging to '; + if ($env{'user.name'} eq 'public' && + $env{'user.domain'} eq 'public') { + $category .= &plainname($uname,$udom); + } else { + $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom); + } + } + } elsif ($activity eq 'groups') { + $category = 'Groups in this course'; + } + my $showstart = &Apache::lonlocal::locallocaltime($startblock); + my $showend = &Apache::lonlocal::locallocaltime($endblock); + $output = '
'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'
'; + if (!($activity eq 'port' && !($ownitem) && !($is_course))) { + $output .= &build_block_table($startblock,$endblock,\%setters); + } + } + } + if (wantarray) { + return ($blocked,$output); + } else { + return $blocked; + } +} + ############################################### =pod @@ -2339,17 +3211,71 @@ Returns: Determines which domain should ############################################### sub determinedomain { my $domain=shift; - if (! $domain) { + 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 $domain; } ############################################### + +sub devalidate_domconfig_cache { + my ($udom)=@_; + &Apache::lonnet::devalidate_cache_new('domainconfig',$udom); +} + +# ---------------------- Get domain configuration for a domain +sub get_domainconf { + my ($udom) = @_; + my $cachetime=1800; + my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom); + if (defined($cached)) { return %{$result}; } + + my %domconfig = &Apache::lonnet::get_dom('configuration', + ['login','rolecolors'],$udom); + my %designhash; + if (keys(%domconfig) > 0) { + if (ref($domconfig{'login'}) eq 'HASH') { + foreach my $key (keys(%{$domconfig{'login'}})) { + $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key}; + } + } + if (ref($domconfig{'rolecolors'}) eq 'HASH') { + foreach my $role (keys(%{$domconfig{'rolecolors'}})) { + if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') { + foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) { + $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item}; + } + } + } + } + } else { + my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors'; + my $designfile = $designdir.'/'.$udom.'.tab'; + if (-e $designfile) { + if ( open (my $fh,"<$designfile") ) { + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($key,$val)=(split(/\=/,$line)); + if ($val) { $designhash{$udom.'.'.$key}=$val; } + } + close($fh); + } + } + if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') { + $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif"; + } + } + &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash, + $cachetime); + return %designhash; +} + =pod =item * &domainlogo() @@ -2363,15 +3289,21 @@ If the domain logo does not exist, a des ############################################### sub domainlogo { - my $domain = &determinedomain(shift); - # See if there is a logo - if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') { - my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'}; - if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; } - return ''.$domain.''; - } elsif(exists($Apache::lonnet::domaindescription{$domain})) { - return $Apache::lonnet::domaindescription{$domain}; + my $domain = &determinedomain(shift); + my %designhash = &get_domainconf($domain); + # See if there is a logo + if ($designhash{$domain.'.login.domlogo'} ne '') { + my $imgsrc = $designhash{$domain.'.login.domlogo'}; + if ($imgsrc =~ m{^/(adm|res)/}) { + if ($imgsrc =~ m{^/res/}) { + my $local_name = &Apache::lonnet::filelocation('',$imgsrc); + &Apache::lonnet::repcopy($local_name); + } + $imgsrc = &lonhttpdurl($imgsrc); + } + return ''.$domain.''; + } elsif (defined(&Apache::lonnet::domain($domain,'description'))) { + return &Apache::lonnet::domain($domain,'description'); } else { return ''; } @@ -2388,10 +3320,11 @@ Returns: value of designparamter $which =cut + ############################################## sub designparm { my ($which,$domain)=@_; - if ($ENV{'browser.blackwhite'} eq 'on') { + if ($env{'browser.blackwhite'} eq 'on') { if ($which=~/\.(font|alink|vlink|link)$/) { return '#000000'; } @@ -2402,15 +3335,28 @@ sub designparm { return '#CCCCCC'; } } - if ($ENV{'environment.color.'.$which}) { - return $ENV{'environment.color.'.$which}; + if (exists($env{'environment.color.'.$which})) { + return $env{'environment.color.'.$which}; } $domain=&determinedomain($domain); - if ($designhash{$domain.'.'.$which}) { - return $designhash{$domain.'.'.$which}; + my %domdesign = &get_domainconf($domain); + my $output; + if ($domdesign{$domain.'.'.$which} ne '') { + $output = $domdesign{$domain.'.'.$which}; } else { - return $designhash{'default.'.$which}; + $output = $defaultdesign{$which}; } + if (($which =~ /^(student|coordinator|author|admin)\.img$/) || + ($which =~ /login\.(img|logo|domlogo)/)) { + if ($output =~ m{^/(adm|res)/}) { + if ($output =~ m{^/res/}) { + my $local_name = &Apache::lonnet::filelocation('',$output); + &Apache::lonnet::repcopy($local_name); + } + $output = &lonhttpdurl($output); + } + } + return $output; } ############################################### @@ -2420,7 +3366,7 @@ sub designparm { =back -=head1 HTTP Helpers +=head1 HTML Helpers =over 4 @@ -2445,6 +3391,26 @@ 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 + +=item * $args, optional argument valid values are + no_auto_mt_title -> prevents &mt()ing the title arg + inherit_jsmath -> when creating popup window in a page, + should it have jsmath forced on by the + current page + =back Returns: A uniform header for LON-CAPA web pages. @@ -2455,99 +3421,1577 @@ other decorations will be returned. =cut sub bodytag { - my ($title,$function,$addentries,$bodyonly,$domain,$forcereg)=@_; - $title=&mt($title); + my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle, + $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_; + + if (!$args->{'no_auto_mt_title'}) { $title = &mt($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',$domain),); + @design{keys(%$addentries)} = @$addentries{keys(%$addentries)}; + # role and realm - my ($role,$realm) - =&Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]); + my ($role,$realm) = split(/\./,$env{'request.role'},2); + if ($role eq 'ca') { + my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$}); + $realm = &plainname($rname,$rdom); + } # realm - if ($ENV{'request.course.id'}) { - $realm= - $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; + if ($env{'request.course.id'}) { + if ($env{'request.role'} !~ /^cr/) { + $role = &Apache::lonnet::plaintext($role,&course_type()); + } + $realm = $env{'course.'.$env{'request.course.id'}.'.description'}; + } else { + $role = &Apache::lonnet::plaintext($role); } - 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,\%design); + # 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.''; + my $bodytag = "". + &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'}); + if ($bodyonly) { 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 - return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web', - $forcereg). - '
'.$title. -'
'; + + $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg); + if (!$notitle) { + $bodytag.='

LON-CAPA: '.$title.'

'; + } + return $bodytag; + } + + my $name = &plainname($env{'user.name'},$env{'user.domain'}); + if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { + undef($role); + } else { + $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'}); + } + + my $roleinfo=(< +
+ $name +   +
+
+$role  +
+
+$realm  +
+ +ENDROLE + + 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'}; + $dc_info =~ s/\s+$//; + $dc_info = '('.$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/(.*)|); + my $formaction='/priv/'.$uname.'/'.$thisdisfn; + $formaction=~s/\/+/\//g; + + 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(); + } + + my $titletable; + if (!$notitle) { + $titletable = + ''. + "".$roleinfo. + '
$titleinfo $dc_info
'; + } + if ($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 $imgsrc = $img; + if ($img =~ /^\/adm/) { + $imgsrc = 'http://'.$ENV{'HTTP_HOST'}.':'.$lonhttpdPort.$img; + } + 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 -$messages  + + + - - + +$roleinfo - - - -
- $title - - - $ENV{'environment.firstname'} - $ENV{'environment.middlename'} - $ENV{'environment.lastname'} - $ENV{'environment.generation'} -   -
$titleinfo $dc_info $menu
-$role  -
$realm 

+ 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 + +=item * &endbodytag() + +Returns a uniform footer for LON-CAPA web pages. + +Inputs: none + +=cut + +sub endbodytag { + my $endbodytag=''; + $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag; + if ( exists( $env{'internal.head.redirect'} ) ) { + $endbodytag= + "
". + &mt('Continue').''. + $endbodytag; + } + return $endbodytag; +} + +=pod + +=item * &standard_css() + +Returns a style sheet + +Inputs: (all optional) + domain -> force to color decorate a page for a specific + domain + function -> force usage of a specific rolish color scheme + bgcolor -> override the default page bgcolor + +=cut + +sub standard_css { + my ($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_or_bgcolor = + $bgcolor || + &designparm($function.'.pgbg', $domain); + my $pgbg = &designparm($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 $mono = 'monospace'; + my $data_table_head = $tabbg; + my $data_table_light = '#EEEEEE'; + my $data_table_dark = '#DDDDDD'; + my $data_table_darker = '#CCCCCC'; + 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'; + my $table_header = '#DDDDDD'; + my $feedback_link_bg = '#BBBBBB'; + + my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px' + : '0px 3px 0px 4px'; + + + return < + $args - optional arguments + force_register - if is true call registerurl so the remote is + informed + redirect -> array ref of + 1- seconds before redirect occurs + 2- url to redirect to + 3- whether the side effect should occur + (side effect of setting + $env{'internal.head.redirect'} to the url + redirected too) + domain -> force to color decorate a page for a specific + domain + function -> force usage of a specific rolish color scheme + bgcolor -> override the default page bgcolor + no_auto_mt_title + -> prevent &mt()ing the title arg + +=cut + +sub headtag { + my ($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'}, + $Apache::lonnet::perlvar{'lonVersion'}, + #time(), + $env{'environment.color.timestamp'}, + $function,$domain,$bgcolor); + + $url = '/adm/css/'.&escape($url).'.css'; + + my $result = + ''. + &font_settings(); + + if (!$args->{'frameset'}) { + $result .= &Apache::lonhtmlcommon::htmlareaheaders(); + } + if ($args->{'force_register'}) { + $result .= &Apache::lonmenu::registerurl(1); + } + if (!$args->{'no_nav_bar'} + && !$args->{'only_body'} + && !$args->{'frameset'}) { + $result .= &help_menu_js(); + } + + if (ref($args->{'redirect'})) { + my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}}; + $url = &Apache::lonenc::check_encrypt($url); + if (!$inhibit_continue) { + $env{'internal.head.redirect'} = $url; + } + $result.=< + +ADDMETA + } + if (!defined($title)) { + $title = 'The LearningOnline Network with CAPA'; + } + if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); } + $result .= ' LON-CAPA '.$title.'' + .'' + .$head_extra; + return $result; +} + +=pod + +=item * &font_settings() + +Returns neccessary to set the proper encoding + +Inputs: none + +=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 + +=item * &xml_begin() + +Returns the needed doctype and + +Inputs: none + +=cut + +sub xml_begin { + my $output=''; + + &Apache::lonhtmlcommon::init_htmlareafields(); + + if ($env{'browser.mathml'}) { + $output='' + #.''."\n" +# .'] >' + .'' + .''; + } else { + $output=''; + } + return $output; +} + +=pod + +=item * &endheadtag() + +Returns a uniform for LON-CAPA web pages. + +Inputs: none + +=cut + +sub endheadtag { + return ''; +} + +=pod + +=item * &head() + +Returns a uniform complete .. section for LON-CAPA web pages. + +Inputs: $title - optional title for the page + $head_extra - optional extra HTML to put inside the + +=cut + +sub head { + my ($title,$head_extra,$args) = @_; + return &headtag($title,$head_extra,$args).&endheadtag(); +} + +=pod + +=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 $title is + frameset -> if true will start with a + rather than + no_title -> if true the title bar won't be shown + skip_phases -> hash ref of + head -> skip the generation + body -> skip all generation + + no_inline_link -> if true and in remote mode, don't show the + 'Switch To Inline Menu' link + + no_auto_mt_title -> prevent &mt()ing the title arg + + inherit_jsmath -> when creating popup window in a page, + should it have jsmath forced on by the + current page + +=cut + +sub start_page { + my ($title,$head_extra,$args) = @_; + #&Apache::lonnet::logthis("start_page ".join(':',caller(0))); + my %head_args; + foreach my $arg ('redirect','force_register','domain','function', + 'bgcolor','frameset','no_nav_bar','only_body', + 'no_auto_mt_title') { + if (defined($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'}, + $args); + } + } + + if ($args->{'js_ready'}) { + $result = &js_ready($result); + } + if ($args->{'html_encode'}) { + $result = &html_encode($result); + } + return $result; +} + + +=pod + +=item * &head() + +Returns a complete section for LON-CAPA web pages. + +Inputs: $args - additional optional args supported are: + js_ready -> return a string ready for being used in + a javascript writeln + html_encode -> return a string ready for being used in + a html attribute + frameset -> if true will start with a + rather than + dicsussion -> if true will get discussion from + lonxml::xmlend + (you can pass the target and parser arguments + through optional 'target' and 'parser' args + to this routine) + +=cut + +sub end_page { + my ($args) = @_; + $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{ 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 $row_count; + sub start_data_table { + my ($add_class) = @_; + my $css_class = (join(' ','LC_data_table',$add_class)); + undef($row_count); + return ''."\n"; + } + + sub end_data_table { + undef($row_count); + return '
'."\n";; + } + + sub start_data_table_row { + my ($add_class) = @_; + $row_count++; + my $css_class = ($row_count % 2)?'':'LC_even_row'; + $css_class = (join(' ',$css_class,$add_class)); + return ''."\n";; + } + + sub continue_data_table_row { + my ($add_class) = @_; + my $css_class = ($row_count % 2)?'':'LC_even_row'; + $css_class = (join(' ',$css_class,$add_class)); + return ''."\n";; + } + + sub end_data_table_row { + return ''."\n";; + } + + sub start_data_table_empty_row { + $row_count++; + return ''."\n";; + } + + sub end_data_table_empty_row { + return ''."\n";; + } + + sub start_data_table_header_row { + return ''."\n";; + } + + sub end_data_table_header_row { + return ''."\n";; + } +} + +=pod + +=item * &inhibit_menu_check($arg) + +Checks for a inhibitmenu state and generates output to preserve it + +Inputs: $arg - can be any of + - undef - in which case the return value is a string + to add into arguments list of a uri + - 'input' - in which case the return value is a HTML +
field of type hidden to + preserve the value + - a url - in which case the return value is the url with + the neccesary cgi args added to preserve the + inhibitmenu state + - a ref to a url - no return value, but the string is + updated to include the neccessary cgi + args to preserve the inhibitmenu state + +=cut + +sub inhibit_menu_check { + my ($arg) = @_; + &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']); + if ($arg eq 'input') { + if ($env{'form.inhibitmenu'}) { + return ''; + } else { + return + } + } + if ($env{'form.inhibitmenu'}) { + if (ref($arg)) { + $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'}; + } elsif ($arg eq '') { + $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'}; + } else { + $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'}; + } + } + if (!ref($arg)) { + return $arg; + } +} + ############################################### =pod -=item get_users_function +=back + +=head1 User Information Routines + +=over 4 + +=item * &get_users_function() Used by &bodytag to determine the current users primary role. Returns either 'student','coordinator','admin', or 'author'. @@ -2557,13 +5001,13 @@ 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'; } @@ -2572,101 +5016,774 @@ sub get_users_function { ############################################### -sub get_posted_cgi { - my $r=shift; +=pod - 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); +=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 ID. + +Outputs: +role status: active, previous or future. + +=cut + +sub check_user_status { + my ($udom,$uname,$cdom,$crs,$role,$sec) = @_; + my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname); + my @uroles = keys %userinfo; + my $srchstr; + my $active_chk = 'none'; + my $now = time; + if (@uroles > 0) { + if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) { + $srchstr = '/'.$cdom.'/'.$crs.'_'.$role; + } else { + $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role; + } + if (grep/^\Q$srchstr\E$/,@uroles) { + my $role_end = 0; + my $role_start = 0; + $active_chk = 'active'; + if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) { + $role_end = $1; + if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) { + $role_start = $1; + } + } + if ($role_start > 0) { + if ($now < $role_start) { + $active_chk = 'future'; + } + } + if ($role_end > 0) { + if ($now > $role_end) { + $active_chk = 'previous'; + } + } + } + } + return $active_chk; +} + +############################################### + +=pod + +=item * &get_sections() + +Determines all the sections for a course including +sections with students and sections containing other roles. +Incoming parameters: + +1. domain +2. course number +3. reference to array containing roles for which sections should +be gathered (optional). +4. reference to array containing status types for which sections +should be gathered (optional). + +If the third argument is undefined, sections are gathered for any role. +If the fourth argument is undefined, sections are gathered for any status. +Permissible values are 'active' or 'future' or 'previous'. + +Returns section hash (keys are section IDs, values are +number of users in each section), subject to the +optional roles filter, optional status filter + +=cut + +############################################### +sub get_sections { + my ($cdom,$cnum,$possible_roles,$possible_status) = @_; + 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; + my $now = time; + + 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(); + my $start_index = &Apache::loncoursedata::CL_START(); + my $end_index = &Apache::loncoursedata::CL_END(); + my $status; + while (my ($student,$data) = each(%$classlist)) { + my ($section,$stu_status,$start,$end) = ($data->[$sec_index], + $data->[$status_index], + $data->[$start_index], + $data->[$end_index]); + if ($stu_status eq 'Active') { + $status = 'active'; + } elsif ($end < $now) { + $status = 'previous'; + } elsif ($start > $now) { + $status = 'future'; + } + if ($section ne '-1' && $section !~ /^\s*$/) { + if ((!defined($possible_status)) || (($status ne '') && + (grep/^\Q$status\E$/,@{$possible_status}))) { + $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,$status); + if ($role eq 'cr' && + $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) { + $section=$1; + } + if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; } + if (!defined($section) || $section eq '-1') { next; } + my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/); + if ($end == -1 && $start == -1) { + next; #deleted role + } + if (!defined($possible_status)) { + $sectioncount{$section}++; + } else { + if ((!$end || $end >= $now) && (!$start || $start <= $now)) { + $status = 'active'; + } elsif ($end < $now) { + $status = 'future'; + } elsif ($start > $now) { + $status = 'previous'; + } + if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) { + $sectioncount{$section}++; + } + } + } + return %sectioncount; +} + +############################################### + +=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 = (); + my %seclists; + + $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; + my $secmatch = 0; + my $section = $$classlist{$student}[$idx{section}]; + if ($section eq '') { + $section = 'none'; + } + if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) { + if (grep(/^all$/,@{$sections})) { + $secmatch = 1; + } elsif ($$classlist{$student}[$idx{section}] eq '') { + if (grep(/^none$/,@{$sections})) { + $secmatch = 1; + } + } else { + if (grep(/^\Q$section\E$/,@{$sections})) { + $secmatch = 1; + } } - if ($i<$#lines) { - $i++; - $lines[$i]=~ - /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i; - $name=$1; - $value=''; - if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) { - $fname=$1; - if - ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) { - $fmime=$1; - $i++; - } else { - $fmime=''; - } - } else { - $fname=''; - $fmime=''; + if (!$secmatch) { + next; + } + } + push(@{$seclists{$student}},$section); + if (defined($$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(@{$$users{st}{$student}},'future'); + $match = 1; + } + } + if ($match && ref($userdata) eq 'HASH') { + $$userdata{$student} = $$classlist{$student}; + } + } + } + if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) { + my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + my $now = time; + foreach my $person (sort(keys(%coursepersonnel))) { + my $match = 0; + my $secmatch = 0; + my $status; + my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/); + $user =~ s/:$//; + my ($end,$start) = split(/:/,$coursepersonnel{$person}); + if ($end == -1 || $start == -1) { + next; + } + if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) || + (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) { + my ($uname,$udom) = split(/:/,$user); + if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) { + if (grep(/^all$/,@{$sections})) { + $secmatch = 1; + } elsif ($usec eq '') { + if (grep(/^none$/,@{$sections})) { + $secmatch = 1; + } + } else { + if (grep(/^\Q$usec\E$/,@{$sections})) { + $secmatch = 1; + } + } + if (!$secmatch) { + next; + } + } + if ($usec eq '') { + $usec = 'none'; + } + if ($uname ne '' && $udom ne '') { + if ($end > 0 && $end < $now) { + $status = 'previous'; + } elsif ($start > $now) { + $status = 'future'; + } else { + $status = 'active'; + } + foreach my $type (keys(%{$types})) { + if ($status eq $type) { + if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) { + push(@{$$users{$role}{$user}},$type); + } + $match = 1; + } + } + if (($match) && (ref($userdata) eq 'HASH')) { + if (!exists($$userdata{$uname.':'.$udom})) { + &get_user_info($udom,$uname,\%idx,$userdata); + } + if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) { + push(@{$seclists{$uname.':'.$udom}},$usec); + } + } + } + } + } + if (grep(/^ow$/,@{$roles})) { + if ((defined($cdom)) && (defined($cnum))) { + my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum); + if ( defined($csettings{'internal.courseowner'}) ) { + my $owner = $csettings{'internal.courseowner'}; + if ($owner !~ /^[^:]+:[^:]+$/) { + $owner = $owner.':'.$cdom; + } + @{$$users{'ow'}{$owner}} = 'any'; + if (defined($userdata) && + !exists($$userdata{$owner.':'.$cdom})) { + &get_user_info($cdom,$owner,\%idx,$userdata); + if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) { + push(@{$seclists{$owner.':'.$cdom}},'none'); + } } - $i++; - } - } else { - $value.=$lines[$i]."\n"; - } + } + } + } + foreach my $user (keys(%seclists)) { + @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}}); + $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}}); + } + } + 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}] = $udom; + return; +} + +############################################### + +=pod + +=item * &get_user_quota() + +Retrieves quota assigned for storage of portfolio files for a user + +Incoming parameters: +1. user's username +2. user's domain + +Returns: +1. Disk quota (in Mb) assigned to student. +2. (Optional) Type of setting: custom or default + (individually assigned or default for user's + institutional status). +3. (Optional) - User's institutional status (e.g., faculty, staff + or student - types as defined in localenroll::inst_usertypes + for user's domain, which determines default quota for user. +4. (Optional) - Default quota which would apply to the user. + +If a value has been stored in the user's environment, +it will return that, otherwise it returns the maximal default +defined for the user's instituional status(es) in the domain. + +=cut + +############################################### + + +sub get_user_quota { + my ($uname,$udom) = @_; + my ($quota,$quotatype,$settingstatus,$defquota); + if (!defined($udom)) { + $udom = $env{'user.domain'}; + } + if (!defined($uname)) { + $uname = $env{'user.name'}; + } + if (($udom eq '' || $uname eq '') || + ($udom eq 'public') && ($uname eq 'public')) { + $quota = 0; + $quotatype = 'default'; + $defquota = 0; + } else { + my $inststatus; + if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) { + $quota = $env{'environment.portfolioquota'}; + $inststatus = $env{'environment.inststatus'}; + } else { + my %userenv = + &Apache::lonnet::get('environment',['portfolioquota', + 'inststatus'],$udom,$uname); + my ($tmp) = keys(%userenv); + if ($tmp !~ /^(con_lost|error|no_such_host)/i) { + $quota = $userenv{'portfolioquota'}; + $inststatus = $userenv{'inststatus'}; + } else { + undef(%userenv); + } + } + ($defquota,$settingstatus) = &default_quota($udom,$inststatus); + if ($quota eq '') { + $quota = $defquota; + $quotatype = 'default'; + } else { + $quotatype = 'custom'; + } + } + if (wantarray) { + return ($quota,$quotatype,$settingstatus,$defquota); + } else { + return $quota; + } +} + +############################################### + +=pod + +=item * &default_quota() + +Retrieves default quota assigned for storage of user portfolio files, +given an (optional) user's institutional status. + +Incoming parameters: +1. domain +2. (Optional) institutional status(es). This is a : separated list of + status types (e.g., faculty, staff, student etc.) + which apply to the user for whom the default is being retrieved. + If the institutional status string in undefined, the domain + default quota will be returned. + +Returns: +1. Default disk quota (in Mb) for user portfolios in the domain. +2. (Optional) institutional type which determined the value of the + default quota. + +If a value has been stored in the domain's configuration db, +it will return that, otherwise it returns 20 (for backwards +compatibility with domains which have not set up a configuration +db file; the original statically defined portfolio quota was 20 Mb). + +If the user's status includes multiple types (e.g., staff and student), +the largest default quota which applies to the user determines the +default quota returned. + +=cut + +############################################### + + +sub default_quota { + my ($udom,$inststatus) = @_; + my ($defquota,$settingstatus); + my %quotahash = &Apache::lonnet::get_dom('configuration', + ['quota'],$udom); + if (ref($quotahash{'quota'}) eq 'HASH') { + if ($inststatus ne '') { + my @statuses = split(/:/,$inststatus); + foreach my $item (@statuses) { + if ($quotahash{'quota'}{$item} ne '') { + if ($defquota eq '') { + $defquota = $quotahash{'quota'}{$item}; + $settingstatus = $item; + } elsif ($quotahash{'quota'}{$item} > $defquota) { + $defquota = $quotahash{'quota'}{$item}; + $settingstatus = $item; + } + } + } + } + if ($defquota eq '') { + $defquota = $quotahash{'quota'}{'default'}; + $settingstatus = 'default'; + } + } else { + $settingstatus = 'default'; + $defquota = 20; + } + if (wantarray) { + return ($defquota,$settingstatus); + } else { + return $defquota; + } +} + +sub get_secgrprole_info { + my ($cdom,$cnum,$needroles,$type) = @_; + my %sections_count = &get_sections($cdom,$cnum); + my @sections = (sort {$a <=> $b} keys(%sections_count)); + my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); + my @groups = sort(keys(%curr_groups)); + my $allroles = []; + my $rolehash; + my $accesshash = { + active => 'Currently has access', + future => 'Will have future access', + previous => 'Previously had access', + }; + if ($needroles) { + $rolehash = {'all' => 'all'}; + my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + if (&Apache::lonnet::error(%user_roles)) { + undef(%user_roles); + } + foreach my $item (keys(%user_roles)) { + my ($role)=split(/\:/,$item,2); + if ($role eq 'cr') { next; } + if ($role =~ /^cr/) { + $$rolehash{$role} = (split('/',$role))[3]; + } else { + $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type); + } + } + foreach my $key (sort(keys(%{$rolehash}))) { + push(@{$allroles},$key); + } + push (@{$allroles},'st'); + $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type); + } + return (\@sections,\@groups,$allroles,$rolehash,$accesshash); +} + +sub user_picker { + my ($dom,$srch,$forcenewuser) = @_; + my $currdom = $dom; + my %curr_selected = ( + srchin => 'dom', + srchby => 'uname', + ); + my $srchterm; + if (ref($srch) eq 'HASH') { + if ($srch->{'srchby'} ne '') { + $curr_selected{'srchby'} = $srch->{'srchby'}; + } + if ($srch->{'srchin'} ne '') { + $curr_selected{'srchin'} = $srch->{'srchin'}; + } + if ($srch->{'srchtype'} ne '') { + $curr_selected{'srchtype'} = $srch->{'srchtype'}; + } + if ($srch->{'srchdomain'} ne '') { + $currdom = $srch->{'srchdomain'}; + } + $srchterm = $srch->{'srchterm'}; + } + my %lt=&Apache::lonlocal::texthash( + 'doma' => 'Domain/institution to search', + 'uname' => 'username', + 'lastname' => 'last name', + 'lastfirst' => 'last name, first name', + 'crs' => 'in this course', + 'dom' => 'in this domain', + 'alc' => 'all LON-CAPA', + 'instd' => 'in institutional directory', + 'exact' => 'is', + 'contains' => 'contains', + ); + my $domform = &select_dom_form($currdom,'srchdomain',1,1); + my $srchinsel = ' \n"; + + my $srchbysel = ' \n"; + + my $srchtypesel = ' \n"; + + my ($newuserscript,$new_user_create); + + if ($forcenewuser) { + $new_user_create = '

&"').'" onclick="javascript:setSearch(\'1\');" />

'; + $newuserscript = <<"ENDSCRIPT"; + +function setSearch(createnew) { + if (createnew == 1) { + for (var i=0; i +function validateEntry() { + + var checkok = 1; + var srchin; + for (var i=0; imethod_number(M_GET); - $r->method('GET'); - $r->headers_in->unset('Content-length'); + + var srchtype = document.crtuser.srchtype.options[document.crtuser.srchtype.selectedIndex].value; + var srchby = document.crtuser.srchby.options[document.crtuser.srchby.selectedIndex].value; + var srchdomain = document.crtuser.srchdomain.options[document.crtuser.srchdomain.selectedIndex].value; + var srchterm = document.crtuser.srchterm.value; + var srchin = document.crtuser.srchin.options[document.crtuser.srchin.selectedIndex].value; + var msg = ""; + + if (srchterm == "") { + checkok = 0; + msg += "You must include some text to search for.\\n"; + } + + if (srchtype== 'contains') { + if (srchterm.length < 3) { + checkok = 0; + msg += "The text you are searching for must contain at least three characters when using a 'contains' type search.\\n"; + } + } + if (srchin == 'instd') { + if (srchdomain == '') { + checkok = 0; + msg += "You must choose a domain when using an institutional directory search.\\n"; + } + } + if (srchin == 'dom') { + if (srchdomain == '') { + checkok = 0; + msg += "You must choose a domain when using a domain search.\\n"; + } + } + if (srchby == 'lastfirst') { + if (srchterm.indexOf(",") == -1) { + checkok = 0; + msg += "When using searching by last,first you must include a comma as separator between last name and first name.\\n"; + } + if (srchterm.indexOf(",") == srchterm.length -1) { + checkok = 0; + msg += "When searching by last,first you must include at least one character in the first name.\\n"; + } + } + if (checkok == 0) { + alert("The following need to be corrected before the search can be run:\\n"+msg); + return; + } + if (checkok == 1) { + document.crtuser.submit(); + } } +$newuserscript + + + +$new_user_create + + + + + + + + + +
$srchbysel + $srchtypesel + + $srchinsel +
$lt{'doma'}: $domform
+
+END_BLOCK + + return $output; +} + + + =pod +=back + +=head1 HTTP Helpers + +=over 4 + =item * get_unprocessed_cgi($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, $value) = split(/=/,$_); - $name = &Apache::lonnet::unescape($name); + foreach my $pair (split(/&/,$query)) { + my ($name, $value) = split(/=/,$pair); + $name = &unescape($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,$value) }; } } } @@ -2680,12 +5797,12 @@ returns cache-controlling header code =cut sub cacheheader { - unless ($ENV{'request.method'} eq 'GET') { return ''; } - my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); - my $output .=' + unless ($env{'request.method'} eq 'GET') { return ''; } + my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); + my $output .=' '; - return $output; + return $output; } =pod @@ -2697,16 +5814,22 @@ specifies header code to not have cache =cut sub no_cache { - my ($r) = @_; - unless ($ENV{'request.method'} eq 'GET') { return ''; } - #my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime); - $r->no_cache(1); - $r->header_out("Pragma" => "no-cache"); - #$r->header_out("Expires" => $date); + my ($r) = @_; + if ($ENV{'REQUEST_METHOD'} ne 'GET' && + $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); + $r->header_out("Pragma" => "no-cache"); } sub content_type { my ($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) { $charset=&Apache::lonlocal::current_encoding; } @@ -2722,7 +5845,7 @@ sub content_type { =item * add_to_env($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. @@ -2730,18 +5853,18 @@ 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}=$value; } } @@ -2749,7 +5872,7 @@ sub add_to_env { =item * get_env_multiple($name) -gets $name from the %ENV hash, it seemlessly handles the cases where multiple +gets $name from the %env hash, it seemlessly handles the cases where multiple values may be defined and end up as an array ref. returns an array of values @@ -2759,12 +5882,12 @@ returns an array of values sub get_env_multiple { my ($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{$name}; } } return(@values); @@ -2773,7 +5896,7 @@ sub get_env_multiple { =pod -=back +=back =head1 CSV Upload/Handling functions @@ -2782,25 +5905,25 @@ sub get_env_multiple { =item * upfile_store($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); } } @@ -2812,8 +5935,8 @@ 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 @@ -2822,13 +5945,13 @@ 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 @@ -2837,14 +5960,19 @@ 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,$line); + } + return @records; } } @@ -2852,50 +5980,80 @@ sub upfile_record_sep { =item * record_sep($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; $i++; } } else { - my @allfields=split(/\,/,$record); + my $separator=','; + if ($env{'form.upfiletype'} eq 'semisv') { + $separator=';'; + } my $i=0; - my $j; - for ($j=0;$j<=$#allfields;$j++) { - my $field=$allfields[$j]; - if ($field=~/^\s*(\"|\')/) { - my $delimiter=$1; - while (($field!~/$delimiter$/) && ($j<$#allfields)) { - $j++; - $field.=','.$allfields[$j]; - } - $field=~s/^\s*$delimiter//; - $field=~s/$delimiter\s*$//; +# the character we are looking for to indicate the end of a quote or a record + my $looking_for=$separator; +# do not add the characters to the fields + my $ignore=0; +# we just encountered a separator (or the beginning of the record) + my $just_found_separator=1; +# store the field we are working on here + my $field=''; +# work our way through all characters in record + foreach my $character ($record=~/(.)/g) { + if ($character eq $looking_for) { + if ($character ne $separator) { +# Found the end of a quote, again looking for separator + $looking_for=$separator; + $ignore=1; + } else { +# Found a separator, store away what we got + $components{&takeleft($i)}=$field; + $i++; + $just_found_separator=1; + $ignore=0; + $field=''; + } + next; } - $components{$i}=$field; - $i++; +# single or double quotation marks after a separator indicate beginning of a quote +# we are now looking for the end of the quote and need to ignore separators + if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) { + $looking_for=$character; + next; + } +# ignore would be true after we reached the end of a quote + if ($ignore) { next; } + if (($just_found_separator) && ($character=~/\s/)) { next; } + $field.=$character; + $just_found_separator=0; } +# catch the very last entry, since we never encountered the separator + $components{&takeleft($i)}=$field; } return %components; } @@ -2917,6 +6075,7 @@ the file type. sub upfile_select_html { my %Types = ( csv => &mt('CSV (comma separated values, spreadsheet)'), + semisv => &mt('Semicolon separated values'), space => &mt('Space separated'), tab => &mt('Tabulator separated'), # xml => &mt('HTML/XML'), @@ -2930,6 +6089,22 @@ 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; +} + ###################################################### ###################################################### @@ -2947,20 +6122,17 @@ 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($$records[2]);} - # + my $samples = &get_samples($records,3); + $r->print(&mt('Samples').'
'); - foreach (sort({$a <=> $b} keys(%sone))) { - $r->print(''); } + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { + $r->print(''); } $r->print(''); - foreach my $hash (\%sone,\%stwo,\%sthree) { + foreach my $hash (@$samples) { $r->print(''); - foreach (sort({$a <=> $b} keys(%sone))) { + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { $r->print(''); } $r->print(''); @@ -2987,23 +6159,23 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_print_select_table { my ($r,$records,$d) = @_; - my $i=0;my %sone; - %sone=&record_sep($$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++; @@ -3031,28 +6203,27 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_samples_select_table { my ($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($$records[2]);} - # - foreach (sort keys %sone) { + + foreach my $key (sort(keys(%{ $samples->[0] }))) { $r->print(''); $i++; } @@ -3141,7 +6312,7 @@ the routine &Apache::lonnet::transfer_pr my $uniq=0; sub get_cgi_id { $uniq=($uniq+1)%100000; - return (time.'_'.$uniq); + return (time.'_'.$$.'_'.$uniq); } ############################################################ @@ -3177,6 +6348,9 @@ 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: @@ -3197,13 +6371,28 @@ sub DrawBarGraph { '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', ]; } + my $extra_settings = {}; + if (ref($Values[-1]) eq 'HASH') { + $extra_settings = pop(@Values); + } # my $identifier = &get_cgi_id(); my $id = 'cgi.'.$identifier; if (! @Values || ref($Values[0]) ne 'ARRAY') { return ''; } + # + my @Labels; + if (defined($labels)) { + @Labels = @$labels; + } else { + for (my $i=0;$i<@{$Values[0]};$i++) { + push (@Labels,$i+1); + } + } + # my $NumBars = scalar(@{$Values[0]}); + if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); } my %ValuesHash; my $NumSets=1; foreach my $array (@Values) { @@ -3213,7 +6402,15 @@ sub DrawBarGraph { } # my ($height,$width,$xskip,$bar_width) = (200,120,1,15); - if ($NumBars < 10) { + if ($NumBars < 3) { + $width = 120+$NumBars*32; + $xskip = 1; + $bar_width = 30; + } elsif ($NumBars < 5) { + $width = 120+$NumBars*20; + $xskip = 1; + $bar_width = 20; + } elsif ($NumBars < 10) { $width = 120+$NumBars*15; $xskip = 1; $bar_width = 15; @@ -3231,15 +6428,6 @@ sub DrawBarGraph { $bar_width = 4; } # - my @Labels; - if (defined($labels)) { - @Labels = @$labels; - } else { - for (my $i=0;$i<@{$Values[0]};$i++) { - push (@Labels,$i+1); - } - } - # $Max = 1 if ($Max < 1); if ( int($Max) < $Max ) { $Max++; @@ -3248,9 +6436,9 @@ sub DrawBarGraph { $Title = '' if (! defined($Title)); $xlabel = '' if (! defined($xlabel)); $ylabel = '' if (! defined($ylabel)); - $ValuesHash{$id.'.title'} = &Apache::lonnet::escape($Title); - $ValuesHash{$id.'.xlabel'} = &Apache::lonnet::escape($xlabel); - $ValuesHash{$id.'.ylabel'} = &Apache::lonnet::escape($ylabel); + $ValuesHash{$id.'.title'} = &escape($Title); + $ValuesHash{$id.'.xlabel'} = &escape($xlabel); + $ValuesHash{$id.'.ylabel'} = &escape($ylabel); $ValuesHash{$id.'.y_max_value'} = $Max; $ValuesHash{$id.'.NumBars'} = $NumBars; $ValuesHash{$id.'.NumSets'} = $NumSets; @@ -3262,6 +6450,11 @@ sub DrawBarGraph { $ValuesHash{$id.'.bar_width'} = $bar_width; $ValuesHash{$id.'.labels'} = join(',',@Labels); # + # Deal with other parameters + while (my ($key,$value) = each(%$extra_settings)) { + $ValuesHash{$id.'.'.$key} = $value; + } + # &Apache::lonnet::appenv(%ValuesHash); return ''; } @@ -3325,9 +6518,9 @@ sub DrawXYGraph { $ylabel = '' if (! defined($ylabel)); my %ValuesHash = ( - $id.'.title' => &Apache::lonnet::escape($Title), - $id.'.xlabel' => &Apache::lonnet::escape($xlabel), - $id.'.ylabel' => &Apache::lonnet::escape($ylabel), + $id.'.title' => &escape($Title), + $id.'.xlabel' => &escape($xlabel), + $id.'.ylabel' => &escape($ylabel), $id.'.y_max_value'=> $Max, $id.'.labels' => join(',',@$Xlabels), $id.'.PlotType' => 'XY', @@ -3422,9 +6615,9 @@ sub DrawXYYGraph { $ylabel = '' if (! defined($ylabel)); my %ValuesHash = ( - $id.'.title' => &Apache::lonnet::escape($Title), - $id.'.xlabel' => &Apache::lonnet::escape($xlabel), - $id.'.ylabel' => &Apache::lonnet::escape($ylabel), + $id.'.title' => &escape($Title), + $id.'.xlabel' => &escape($xlabel), + $id.'.ylabel' => &escape($ylabel), $id.'.labels' => join(',',@$Xlabels), $id.'.PlotType' => 'XY', $id.'.NumSets' => 2, @@ -3496,8 +6689,8 @@ Inputs: sub chartlink { my ($linktext, $sname, $sdomain) = @_; my $link = ''.$linktext.''; } @@ -3526,6 +6719,7 @@ a hash ref describing the data to be sto 'chartoutputmode' => 'scalar', 'chartoutputdata' => 'scalar', 'Section' => 'array', + 'Group' => 'array', 'StudentData' => 'array', 'Maps' => 'array'); @@ -3536,36 +6730,40 @@ Returns: both routines return nothing ####################################################### ####################################################### sub store_course_settings { + return &store_settings($env{'request.course.id'},@_); +} + +sub store_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 ($prefix,$Settings) = @_; + my $udom = $env{'user.domain'}; + my $uname = $env{'user.name'}; + my ($context,$prefix,$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 $basename = join('.','internal',$context,$prefix,$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}})); + &escape($_); + } sort(@{$env{'form.'.$setting}})); } else { $stored_form = - &Apache::lonnet::escape($ENV{'form.'.$setting}); + &escape($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; } @@ -3573,8 +6771,7 @@ 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); @@ -3585,20 +6782,23 @@ sub store_course_settings { } sub restore_course_settings { - my $courseid = $ENV{'request.course.id'}; - my ($prefix,$Settings) = @_; + return &restore_settings($env{'request.course.id'},@_); +} + +sub restore_settings { + my ($context,$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 $envname = 'environment.internal.'.$context.'.'.$prefix. '.'.$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{$envname}) + &unescape($_); + } split(',',$env{$envname}) ]; } } @@ -3608,19 +6808,490 @@ sub restore_course_settings { ############################################################ ############################################################ -sub propath { - my ($udom,$uname)=@_; - $udom=~s/\W//g; - $uname=~s/\W//g; - my $subdir=$uname.'__'; - $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; - my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; - return $proname; -} +sub commit_customrole { + my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_; + my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url. + ($start?', '.&mt('starting').' '.localtime($start):''). + ($end?', ending '.localtime($end):'').': '. + &Apache::lonnet::assigncustomrole( + $udom,$uname,$url,$three,$four,$five,$end,$start). + '
'; + return $output; +} + +sub commit_standardrole { + my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_; + my ($output,$logmsg,$linefeed); + if ($context eq 'auto') { + $linefeed = "\n"; + } else { + $linefeed = "
\n"; + } + if ($three eq 'st') { + my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end, + $one,$two,$sec,$context); + if (($result =~ /^error/) || ($result eq 'not_in_class') || + ($result eq 'unknown_course')) { + $output = "Error: $result\n"; + } else { + $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url. + ($start?', '.&mt('starting').' '.localtime($start):''). + ($end?', '.&mt('ending').' '.localtime($end):'').': '; + if ($context eq 'auto') { + $output .= $result.$linefeed.&mt('Add to classlist').': ok'; + } else { + $output .= ''.$result.''.$linefeed. + &mt('Add to classlist').': ok'; + } + $output .= $linefeed; + } + } else { + $output = &mt('Assigning').' '.$three.' in '.$url. + ($start?', '.&mt('starting').' '.localtime($start):''). + ($end?', '.&mt('ending').' '.localtime($end):'').': '; + my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start); + if ($context eq 'auto') { + $output .= $result.$linefeed; + } else { + $output .= ''.$result.''.$linefeed; + } + } + return $output; +} + +sub commit_studentrole { + my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_; + my ($result,$linefeed); + if ($context eq 'auto') { + $linefeed = "\n"; + } else { + $linefeed = '
'."\n"; + } + if (defined($one) && defined($two)) { + my $cid=$one.'_'.$two; + my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid); + my $secchange = 0; + my $expire_role_result; + my $modify_section_result; + unless ($oldsec eq '-1') { + unless ($sec eq $oldsec) { + $secchange = 1; + my $uurl='/'.$cid; + $uurl=~s/\_/\//g; + if ($oldsec) { + $uurl.='/'.$oldsec; + } + $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time); + $result = $expire_role_result; + } + } + if (($expire_role_result eq 'ok') || ($secchange == 0)) { + $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid); + if ($modify_section_result =~ /^ok/) { + if ($secchange == 1) { + $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed; + } elsif ($oldsec eq '-1') { + $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed; + } else { + $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed; + } + } else { + $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed; + } + $result = $modify_section_result; + } elsif ($secchange == 1) { + $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed; + } + } else { + $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed"; + $result = "error: incomplete course id\n"; + } + return $result; +} + +############################################################ +############################################################ + +sub check_clone { + my ($args) = @_; + my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'}; + my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid); + my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom); + my $clonemsg; + my $can_clone = 0; + + if ($clonehome eq 'no_host') { + $clonemsg = &mt('Attempting to clone non-existing [_1]', + $args->{'crstype'}); + } else { + my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1}); + if ($env{'request.role.domain'} eq $args->{'form.clonedomain'}) { + $can_clone = 1; + } else { + my %clonehash = &Apache::lonnet::get('environment',['cloners'], + $args->{'clonedomain'},$args->{'clonecourse'}); + my @cloners = split(/,/,$clonehash{'cloners'}); + my %roleshash = + &Apache::lonnet::get_my_roles($args->{'ccuname'}, + $args->{'ccdomain'},'userroles',['active'],['cc'], + [$args->{'clonedomain'}]); + if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) { + $can_clone = 1; + } else { + $clonemsg = &mt('The new course was not cloned from an existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}); + } + } + } + + return ($can_clone, $clonemsg, $cloneid, $clonehome); +} + +sub construct_course { + my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_; + my $outcome; + my $linefeed = '
'."\n"; + if ($context eq 'auto') { + $linefeed = "\n"; + } + +# +# Are we cloning? +# + my ($can_clone, $clonemsg, $cloneid, $clonehome); + if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) { + ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args); + if ($context ne 'auto') { + $clonemsg = ''.$clonemsg.''; + } + $outcome .= $clonemsg.$linefeed; + + if (!$can_clone) { + return (0,$outcome); + } + } + +# +# Open course +# + my $crstype = lc($args->{'crstype'}); + my %cenv=(); + $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'}, + $args->{'cdescr'}, + $args->{'curl'}, + $args->{'course_home'}, + $args->{'nonstandard'}, + $args->{'crscode'}, + $args->{'ccuname'}.':'. + $args->{'ccdomain'}, + $args->{'crstype'}); + + # Note: The testing routines depend on this being output; see + # Utils::Course. This needs to at least be output as a comment + # if anyone ever decides to not show this, and Utils::Course::new + # will need to be suitably modified. + $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; +# +# Check if created correctly +# + ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid); + my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom); + $outcome .= &mt('Created on').': '.$crsuhome.$linefeed; + +# +# Do the cloning +# + if ($can_clone && $cloneid) { + $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome); + if ($context ne 'auto') { + $clonemsg = ''.$clonemsg.''; + } + $outcome .= $clonemsg.$linefeed; + my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum); +# Copy all files + &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid); +# Restore URL + $cenv{'url'}=$oldcenv{'url'}; +# Restore title + $cenv{'description'}=$oldcenv{'description'}; +# restore grading mode + if (defined($oldcenv{'grading'})) { + $cenv{'grading'}=$oldcenv{'grading'}; + } +# Mark as cloned + $cenv{'clonedfrom'}=$cloneid; + delete($cenv{'default_enrollment_start_date'}); + delete($cenv{'default_enrollment_end_date'}); + } + +# +# Set environment (will override cloned, if existing) +# + my @sections = (); + my @xlists = (); + if ($args->{'crstype'}) { + $cenv{'type'}=$args->{'crstype'}; + } + if ($args->{'crsid'}) { + $cenv{'courseid'}=$args->{'crsid'}; + } + if ($args->{'crscode'}) { + $cenv{'internal.coursecode'}=$args->{'crscode'}; + } + if ($args->{'crsquota'} ne '') { + $cenv{'internal.coursequota'}=$args->{'crsquota'}; + } else { + $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20; + } + if ($args->{'ccuname'}) { + $cenv{'internal.courseowner'} = $args->{'ccuname'}. + ':'.$args->{'ccdomain'}; + } else { + $cenv{'internal.courseowner'} = $args->{'curruser'}; + } + + my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner. + if ($args->{'crssections'}) { + $cenv{'internal.sectionnums'} = ''; + if ($args->{'crssections'} =~ m/,/) { + @sections = split/,/,$args->{'crssections'}; + } else { + $sections[0] = $args->{'crssections'}; + } + if (@sections > 0) { + foreach my $item (@sections) { + my ($sec,$gp) = split/:/,$item; + my $class = $args->{'crscode'}.$sec; + my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'}); + $cenv{'internal.sectionnums'} .= $item.','; + unless ($addcheck eq 'ok') { + push @badclasses, $class; + } + } + $cenv{'internal.sectionnums'} =~ s/,$//; + } + } +# do not hide course coordinator from staff listing, +# even if privileged + $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; +# add crosslistings + if ($args->{'crsxlist'}) { + $cenv{'internal.crosslistings'}=''; + if ($args->{'crsxlist'} =~ m/,/) { + @xlists = split/,/,$args->{'crsxlist'}; + } else { + $xlists[0] = $args->{'crsxlist'}; + } + if (@xlists > 0) { + foreach my $item (@xlists) { + my ($xl,$gp) = split/:/,$item; + my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'}); + $cenv{'internal.crosslistings'} .= $item.','; + unless ($addcheck eq 'ok') { + push @badclasses, $xl; + } + } + $cenv{'internal.crosslistings'} =~ s/,$//; + } + } + if ($args->{'autoadds'}) { + $cenv{'internal.autoadds'}=$args->{'autoadds'}; + } + if ($args->{'autodrops'}) { + $cenv{'internal.autodrops'}=$args->{'autodrops'}; + } +# check for notification of enrollment changes + my @notified = (); + if ($args->{'notify_owner'}) { + if ($args->{'ccuname'} ne '') { + push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'}); + } + } + if ($args->{'notify_dc'}) { + if ($uname ne '') { + push(@notified,$uname.'@'.$udom); + } + } + if (@notified > 0) { + my $notifylist; + if (@notified > 1) { + $notifylist = join(',',@notified); + } else { + $notifylist = $notified[0]; + } + $cenv{'internal.notifylist'} = $notifylist; + } + if (@badclasses > 0) { + my %lt=&Apache::lonlocal::texthash( + 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course', + 'dnhr' => 'does not have rights to access enrollment in these classes', + 'adby' => 'as determined by the policies of your institution on access to official classlists' + ); + my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}. + ' ('.$lt{'adby'}.')'; + if ($context eq 'auto') { + $outcome .= $badclass_msg.$linefeed; + $outcome .= '
'.$badclass_msg.$linefeed.'
    '."\n"; + foreach my $item (@badclasses) { + if ($context eq 'auto') { + $outcome .= " - $item\n"; + } else { + $outcome .= "
  • $item
    • \n"; + } + } + if ($context eq 'auto') { + $outcome .= $linefeed; + } else { + $outcome .= "


\n"; + } + } + } + if ($args->{'no_end_date'}) { + $args->{'endaccess'} = 0; + } + $cenv{'internal.autostart'}=$args->{'enrollstart'}; + $cenv{'internal.autoend'}=$args->{'enrollend'}; + $cenv{'default_enrollment_start_date'}=$args->{'startaccess'}; + $cenv{'default_enrollment_end_date'}=$args->{'endaccess'}; + if ($args->{'showphotos'}) { + $cenv{'internal.showphotos'}=$args->{'showphotos'}; + } + $cenv{'internal.authtype'} = $args->{'authtype'}; + $cenv{'internal.autharg'} = $args->{'autharg'}; + if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) { + if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') { + my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student'); + if ($context eq 'auto') { + $outcome .= $krb_msg; + } else { + $outcome .= ''.$krb_msg.''; + } + $outcome .= $linefeed; + } + } + if (($args->{'ccdomain'}) && ($args->{'ccuname'})) { + if ($args->{'setpolicy'}) { + $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; + } + if ($args->{'setcontent'}) { + $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; + } + } + if ($args->{'reshome'}) { + $cenv{'reshome'}=$args->{'reshome'}.'/'; + $cenv{'reshome'}=~s/\/+$/\//; + } +# +# course has keyed access +# + if ($args->{'setkeys'}) { + $cenv{'keyaccess'}='yes'; + } +# if specified, key authority is not course, but user +# only active if keyaccess is yes + if ($args->{'keyauth'}) { + my ($user,$domain) = split(':',$args->{'keyauth'}); + $user = &LONCAPA::clean_username($user); + $domain = &LONCAPA::clean_username($domain); + if ($user ne '' && $domain ne '') { + $cenv{'keyauth'}=$user.':'.$domain; + } + } + + if ($args->{'disresdis'}) { + $cenv{'pch.roles.denied'}='st'; + } + if ($args->{'disablechat'}) { + $cenv{'plc.roles.denied'}='st'; + } + + # Record we've not yet viewed the Course Initialization Helper for this + # course + $cenv{'course.helper.not.run'} = 1; + # + # Use new Randomseed + # + $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();; + $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();; + # + # The encryption code and receipt prefix for this course + # + $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999)); + $cenv{'internal.encpref'}=100+int(9*rand(99)); + # + # By default, use standard grading + if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; } + + $outcome .= $linefeed.&mt('Setting environment').': '. + &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed; +# +# Open all assignments +# + if ($args->{'openall'}) { + my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate'; + my %storecontent = ($storeunder => time, + $storeunder.'.type' => 'date_start'); + + $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput + ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed; + } +# +# Set first page +# + unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank') + || ($cloneid)) { + use LONCAPA::map; + $outcome .= &mt('Setting first resource').': '; + + my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence'; + my ($errtext,$fatal)=&LONCAPA::map::mapread($map); + + $outcome .= ($fatal?$errtext:'read ok').' - '; + my $title; my $url; + if ($args->{'firstres'} eq 'syl') { + $title='Syllabus'; + $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus'; + } else { + $title='Navigate Contents'; + $url='/adm/navmaps'; + } + + $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res'; + (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1); + + if ($errtext) { $fatal=2; } + $outcome .= ($fatal?$errtext:'write ok').$linefeed; + } + + return (1,$outcome); +} + +############################################################ +############################################################ + +sub course_type { + my ($cid) = @_; + if (!defined($cid)) { + $cid = $env{'request.course.id'}; + } + if (defined($env{'course.'.$cid.'.type'})) { + return $env{'course.'.$cid.'.type'}; + } else { + return 'Course'; + } +} + +sub group_term { + my $crstype = &course_type(); + my %names = ( + 'Course' => 'group', + 'Group' => 'team', + ); + return $names{$crstype}; +} sub icon { my ($file)=@_; - my $curfext = (split(/\./,$file))[-1]; + my $curfext = lc((split(/\./,$file))[-1]); my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif'; my $embstyle = &Apache::loncommon::fileembstyle($curfext); if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) { @@ -3631,9 +7302,213 @@ sub icon { $curfext.".gif"; } } - return $iconname; + return &lonhttpdurl($iconname); } +sub lonhttpdurl { + my ($url)=@_; + my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'}; + if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; } + return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url; +} + +sub connection_aborted { + my ($r)=@_; + $r->print(" ");$r->rflush(); + my $c = $r->connection; + return $c->aborted(); +} + +# Escapes strings that may have embedded 's that will be put into +# strings as 'strings'. +sub escape_single { + my ($input) = @_; + $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)> + $input =~ s/\'/\\\'/g; # Esacpe the 's.... + return $input; +} + +# Same as escape_single, but escape's "'s This +# can be used for "strings" +sub escape_double { + my ($input) = @_; + $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)> + $input =~ s/\"/\\\"/g; # Esacpe the "s.... + return $input; +} + +# Escapes the last element of a full URL. +sub escape_url { + my ($url) = @_; + my @urlslices = split(/\//, $url,-1); + my $lastitem = &escape(pop(@urlslices)); + return join('/',@urlslices).'/'.$lastitem; +} + +# -------------------------------------------------------- Initliaze user login +sub init_user_environment { + my ($r, $username, $domain, $authhost, $form, $args) = @_; + my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'}; + + my $public=($username eq 'public' && $domain eq 'public'); + +# See if old ID present, if so, remove + + my ($filename,$cookie,$userroles); + my $now=time; + + if ($public) { + my $max_public=100; + my $oldest; + my $oldest_time=0; + for(my $next=1;$next<=$max_public;$next++) { + if (-e $lonids."/publicuser_$next.id") { + my $mtime=(stat($lonids."/publicuser_$next.id"))[9]; + if ($mtime<$oldest_time || !$oldest_time) { + $oldest_time=$mtime; + $oldest=$next; + } + } else { + $cookie="publicuser_$next"; + last; + } + } + if (!$cookie) { $cookie="publicuser_$oldest"; } + } else { + # if this isn't a robot, kill any existing non-robot sessions + if (!$args->{'robot'}) { + opendir(DIR,$lonids); + while ($filename=readdir(DIR)) { + if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) { + unlink($lonids.'/'.$filename); + } + } + closedir(DIR); + } +# Give them a new cookie + my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'} + : $now); + $cookie="$username\_$id\_$domain\_$authhost"; + +# Initialize roles + + $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost); + } +# ------------------------------------ Check browser type and MathML capability + + my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml, + $clientunicode,$clientos) = &decode_user_agent($r); + +# -------------------------------------- Any accessibility options to remember? + if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) { + foreach my $option ('imagesuppress','appletsuppress', + 'embedsuppress','fontenhance','blackwhite') { + if ($form->{$option} eq 'true') { + &Apache::lonnet::put('environment',{$option => 'on'}, + $domain,$username); + } else { + &Apache::lonnet::del('environment',[$option], + $domain,$username); + } + } + } +# ------------------------------------------------------------- Get environment + + my %userenv = &Apache::lonnet::dump('environment',$domain,$username); + my ($tmp) = keys(%userenv); + if ($tmp !~ /^(con_lost|error|no_such_host)/i) { + # default remote control to off + if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; } + } else { + undef(%userenv); + } + if (($userenv{'interface'}) && (!$form->{'interface'})) { + $form->{'interface'}=$userenv{'interface'}; + } + $env{'environment.remote'}=$userenv{'remote'}; + if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; } + +# --------------- Do not trust query string to be put directly into environment + foreach my $option ('imagesuppress','appletsuppress', + 'embedsuppress','fontenhance','blackwhite', + 'interface','localpath','localres') { + $form->{$option}=~s/[\n\r\=]//gs; + } +# --------------------------------------------------------- Write first profile + + { + my %initial_env = + ("user.name" => $username, + "user.domain" => $domain, + "user.home" => $authhost, + "browser.type" => $clientbrowser, + "browser.version" => $clientversion, + "browser.mathml" => $clientmathml, + "browser.unicode" => $clientunicode, + "browser.os" => $clientos, + "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'}, + "request.course.fn" => '', + "request.course.uri" => '', + "request.course.sec" => '', + "request.role" => 'cm', + "request.role.adv" => $env{'user.adv'}, + "request.host" => $ENV{'REMOTE_ADDR'},); + + if ($form->{'localpath'}) { + $initial_env{"browser.localpath"} = $form->{'localpath'}; + $initial_env{"browser.localres"} = $form->{'localres'}; + } + + if ($public) { + $initial_env{"environment.remote"} = "off"; + } + if ($form->{'interface'}) { + $form->{'interface'}=~s/\W//gs; + $initial_env{"browser.interface"} = $form->{'interface'}; + $env{'browser.interface'}=$form->{'interface'}; + foreach my $option ('imagesuppress','appletsuppress', + 'embedsuppress','fontenhance','blackwhite') { + if (($form->{$option} eq 'true') || + ($userenv{$option} eq 'on')) { + $initial_env{"browser.$option"} = "on"; + } + } + } + + $env{'user.environment'} = "$lonids/$cookie.id"; + + if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", + &GDBM_WRCREAT(),0640)) { + &_add_to_env(\%disk_env,\%initial_env); + &_add_to_env(\%disk_env,\%userenv,'environment.'); + &_add_to_env(\%disk_env,$userroles); + if (ref($args->{'extra_env'})) { + &_add_to_env(\%disk_env,$args->{'extra_env'}); + } + untie(%disk_env); + } else { + &Apache::lonnet::logthis("WARNING: ". + 'Could not create environment storage in lonauth: '.$!.''); + return 'error: '.$!; + } + } + $env{'request.role'}='cm'; + $env{'request.role.adv'}=$env{'user.adv'}; + $env{'browser.type'}=$clientbrowser; + + return $cookie; + +} + +sub _add_to_env { + my ($idf,$env_data,$prefix) = @_; + while (my ($key,$value) = each(%$env_data)) { + $idf->{$prefix.$key} = $value; + $env{$prefix.$key} = $value; + } +} + + =pod =back
'. &mt('Field').''.&mt('Samples').'
'); - if (defined($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('