--- loncom/interface/loncommon.pm 2003/11/10 23:25:52 1.152 +++ loncom/interface/loncommon.pm 2008/01/21 00:35:58 1.636 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.152 2003/11/10 23:25:52 albertel Exp $ +# $Id: loncommon.pm,v 1.636 2008/01/21 00:35:58 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,13 +25,6 @@ # # http://www.lon-capa.org/ # -# YEAR=2001 -# 2/13-12/7 Guy Albertelli -# 12/21 Gerd Kortemeyer -# 12/25,12/28 Gerd Kortemeyer -# YEAR=2002 -# 1/4 Gerd Kortemeyer -# 6/24,7/2 H. K. Ng # Makes a table out of the previous attempts # Inputs result_from_symbread, user, domain, course_id @@ -62,34 +55,37 @@ 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); -my $readit; +# ---------------------------------------------- Designs +use vars qw(%defaultdesign); -=pod +my $readit; -=head1 Global Variables -=cut +## +## Global Variables +## # ----------------------------------------------- Filetypes/Languages/Copyright my %language; my %supported_language; my %cprtag; -my %fe; my %fd; +my %scprtag; +my %fe; my %fd; my %fm; my %category_extensions; -# ---------------------------------------------- Designs - -my %designhash; - # ---------------------------------------------- Thesaurus variables # # %Keywords: @@ -111,85 +107,95 @@ BEGIN { unless ($readit) { # ------------------------------------------------------------------- languages { - my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. - '/language.tab'); - if ($fh) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_)); - $language{$key}=$val.' - '.$enc; - if ($sup) { - $supported_language{$key}=$sup; - } - } - } + my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}. + '/language.tab'; + if ( open(my $fh,"<$langtabfile") ) { + 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}=$sup; + } + } + close($fh); + } } # ------------------------------------------------------------------ copyrights { - my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonIncludes'}. - '/copyright.tab'); - if ($fh) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\s+/,$_,2)); - $cprtag{$key}=$val; - } - } + my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. + '/copyright.tab'; + if ( open (my $fh,"<$copyrightfile") ) { + while (my $line = <$fh>) { + next if ($line=~/^\#/); + chomp($line); + my ($key,$val)=(split(/\s+/,$line,2)); + $cprtag{$key}=$val; + } + close($fh); + } } - -# -------------------------------------------------------------- domain designs - - my $filename; - my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors'; - opendir(DIR,$designdir); - while ($filename=readdir(DIR)) { - my ($domain)=($filename=~/^(\w+)\./); +# ----------------------------------------------------------- source copyrights { - my $fh=Apache::File->new($designdir.'/'.$filename); - if ($fh) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\=/,$_)); - if ($val) { $designhash{$domain.'.'.$key}=$val; } - } - } + my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. + '/source_copyright.tab'; + if ( open (my $fh,"<$sourcecopyrightfile") ) { + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($key,$val)=(split(/\s+/,$line,2)); + $scprtag{$key}=$val; + } + close($fh); + } } +# -------------------------------------------------------------- default domain designs + my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors'; + 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 $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. - '/filecategories.tab'); - if ($fh) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($extension,$category)=(split(/\s+/,$_,2)); - push @{$category_extensions{lc($category)}},$extension; - } - } + my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}. + '/filecategories.tab'; + if ( open (my $fh,"<$categoryfile") ) { + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($extension,$category)=(split(/\s+/,$line,2)); + push @{$category_extensions{lc($category)}},$extension; + } + close($fh); + } + } # ------------------------------------------------------------------ file types { - my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. - '/filetypes.tab'); - if ($fh) { - while (<$fh>) { - next if (/^\#/); - chomp; - my ($ending,$emb,$descr)=split(/\s+/,$_,3); - if ($descr ne '') { - $fe{$ending}=lc($emb); - $fd{$ending}=$descr; - } - } - } + my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}. + '/filetypes.tab'; + if ( open (my $fh,"<$typesfile") ) { + 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); + } } &Apache::lonnet::logthis( "INFO: Read file types"); @@ -204,10 +210,6 @@ BEGIN { =pod -=head1 General Subroutines - -=over 4 - =head1 HTML and Javascript Functions =over 4 @@ -219,8 +221,6 @@ containing javascript with two functions C. Returned string does not contain EscriptE tags. -=over 4 - =item * openbrowser(formname,elementname,only,omit) [javascript] inputs: formname, elementname, only, omit @@ -229,10 +229,10 @@ formname and elementname indicate the na the element that the results of the browsing selection are to be placed in. Specifying 'only' will restrict the browser to displaying only files -with the given extension. Can be a comma seperated list. +with the given extension. Can be a comma separated list. Specifying 'omit' will restrict the browser to NOT displaying files -with the given extension. Can be a comma seperated list. +with the given extension. Can be a comma separated list. =item * opensearcher(formname, elementname) [javascript] @@ -241,33 +241,42 @@ Inputs: formname, elementname formname and elementname specify the name of the html form and the name of the element the selection from the search results will be placed in. -=back - =cut sub browser_and_searcher_javascript { + my ($mode)=@_; + if (!defined($mode)) { $mode='edit'; } + my $resurl=&escape_single(&lastresurl()); return < END } +sub lastresurl { + if ($env{'environment.lastresurl'}) { + return $env{'environment.lastresurl'} + } else { + return '/res'; + } +} + +sub storeresurl { + my $resurl=&Apache::lonnet::clutter(shift); + unless ($resurl=~/^\/res/) { return 0; } + $resurl=~s/\/$//; + &Apache::lonnet::put('environment',{'lastresurl' => $resurl}); + &Apache::lonnet::appenv('environment.lastresurl' => $resurl); + return 1; +} + sub studentbrowser_javascript { unless ( - (($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(...) @@ -386,7 +548,7 @@ linked_select_forms returns a string con and html for two element int multiple mode + -Returns an array containing each of the domains listed in the hosts.tab -file. +Args: + $name - name of the "; + my @order; + if (ref($order) eq 'ARRAY') { + @order = @{$order}; + } else { + @order = sort(keys(%$hash)); } - return @domains; + if (exists($$hash{'select_form_order'})) { + @order = @{$$hash{'select_form_order'}}; + } + + foreach my $key (@order) { + $output.='\n"; + } + $output.="\n"; + return $output; } #------------------------------------------- @@ -762,21 +1497,76 @@ sub select_form { } else { @keys=sort(keys(%hash)); } - foreach (@keys) { - $selectform.="\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 $gradelevel=shift; + my %gradelevels=(0 => 'Not specified', + 1 => 'Grade 1', + 2 => 'Grade 2', + 3 => 'Grade 3', + 4 => 'Grade 4', + 5 => 'Grade 5', + 6 => 'Grade 6', + 7 => 'Grade 7', + 8 => 'Grade 8', + 9 => 'Grade 9', + 10 => 'Grade 10', + 11 => 'Grade 11', + 12 => 'Grade 12', + 13 => 'Grade 13', + 14 => '100 Level', + 15 => '200 Level', + 16 => '300 Level', + 17 => '400 Level', + 18 => 'Graduate Level'); + return &mt($gradelevels{$gradelevel}); +} + +sub select_level_form { + my ($deflevel,$name)=@_; + unless ($deflevel) { $deflevel=0; } + my $selectform = ""; + return $selectform; +} #------------------------------------------- =pod -=item * select_dom_form($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 $selectdomain; @@ -806,52 +1606,73 @@ sub select_dom_form { =pod -=item * get_library_servers($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; -} - -#------------------------------------------- +=item * home_server_form_item($domain,$name,$defaultflag) -=pod +input: 4 arguments (two required, two optional) - + $domain - domain of new user + $name - name of form element + $default - Value of 'default' causes a default item to be first + option, and selected by default. + $hide - Value of 'hide' causes hiding of the name of the server, + if 1 server found, or default, if 0 found. +output: returns 2 items: +(a) form element which contains either: + (i) + form item if there are multiple library servers in $domain, or + (ii) an form item + if there is only one library server in $domain. -=item * home_server_option_list($domain) +(b) number of library servers found. -returns a string which contains an '."\n"; + } + foreach my $hostid (sort(keys(%servers))) { + $result.= '\n"; + } + $result .= ''."\n"; + } elsif ($numlib == 1) { + my $hostid; + foreach my $item (keys(%servers)) { + $hostid = $item; + } + $result .= ''; + if (!$hide) { + $result .= $hostid.' '.$servers{$hostid}; + } + $result .= "\n"; + } elsif ($default) { + $result .= ''; + if (!$hide) { + $result .= &mt('default'); + } + $result .= "\n"; } - return $result; + return ($result,$numlib); } =pod -=back +=back =cut @@ -887,14 +1708,18 @@ Outputs: =back +=back + =cut ############################################################### ############################################################### sub decode_user_agent { + my ($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=''; @@ -925,12 +1750,6 @@ sub decode_user_agent { $clientunicode,$clientos,); } -=pod - -=back - -=cut - ############################################################### ## Authentication changing form generation subroutines ## ############################################################### @@ -971,6 +1790,8 @@ See loncreateuser.pm for invocation and =back +=back + =cut #------------------------------------------- @@ -998,10 +1819,27 @@ END $Javascript_toUpperCase = ""; } + my $radioval = "'nochange'"; + if (defined($in{'curr_authtype'})) { + if ($in{'curr_authtype'} ne '') { + $radioval = "'".$in{'curr_authtype'}."arg'"; + } + } + my $argfield = 'null'; + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifycourse') { + if (defined($in{'curr_autharg'})) { + if ($in{'curr_autharg'} ne '') { + $argfield = "'$in{'curr_autharg'}'"; + } + } + } + } + $result.=<<"END"; var current = new Object(); -current.radiovalue = 'nochange'; -current.argfield = null; +current.radiovalue = $radioval; +current.argfield = $argfield; function changed_radio(choice,currentform) { var choicearg = choice + 'arg'; @@ -1074,53 +1912,181 @@ sub authform_nochange{ kerb_def_dom => 'MSU.EDU', @_, ); - my $result = &mt('[_1] Do not change login data', - ''); + my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); + my $result; + if (keys(%can_assign) == 0) { + $result = &mt('Under you current role you are not permitted to change login settings for this user'); + } else { + $result = ''; + } return $result; } -sub authform_kerberos{ +sub authform_kerberos { my %in = ( formname => 'document.cu', kerb_def_dom => 'MSU.EDU', kerb_def_auth => 'krb4', @_, ); - my ($check4,$check5); + my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype, + $autharg,$jscall); + my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); if ($in{'kerb_def_auth'} eq 'krb5') { - $check5 = " checked=\"on\""; + $check5 = ' checked="on"'; + } else { + $check4 = ' checked="on"'; + } + $krbarg = $in{'kerb_def_dom'}; + if (defined($in{'curr_authtype'})) { + if ($in{'curr_authtype'} eq 'krb') { + $krbcheck = ' checked="on"'; + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifyuser') { + $krbcheck = ''; + } + } + if (defined($in{'curr_kerb_ver'})) { + if ($in{'curr_krb_ver'} eq '5') { + $check5 = ' checked="on"'; + $check4 = ''; + } else { + $check4 = ' checked="on"'; + $check5 = ''; + } + } + if (defined($in{'curr_autharg'})) { + $krbarg = $in{'curr_autharg'}; + } + if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) { + if (defined($in{'curr_autharg'})) { + $result = + &mt('Currently Kerberos authenticated with domain [_1] Version [_2].', + $in{'curr_autharg'},$krbver); + } else { + $result = + &mt('Currently Kerberos authenticated, Version [_1].',$krbver); + } + return $result; + } + } } else { - $check4 = " checked=\"on\""; + if ($authnum == 1) { + $authtype = ''; + } } - my $jscall = "javascript:changed_radio('krb',$in{'formname'});"; - my $result .= &mt + if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) { + return; + } elsif ($authtype eq '') { + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifycourse') { + if ($authnum == 1) { + $authtype = ''; + } + } + } + } + $jscall = "javascript:changed_radio('krb',$in{'formname'});"; + if ($authtype eq '') { + $authtype = ''; + } + if (($can_assign{'krb4'} && $can_assign{'krb5'}) || + ($can_assign{'krb4'} && !$can_assign{'krb5'} && + $in{'curr_authtype'} eq 'krb5') || + (!$can_assign{'krb4'} && $can_assign{'krb5'} && + $in{'curr_authtype'} eq 'krb4')) { + $result .= &mt ('[_1] Kerberos authenticated with domain [_2] '. - '[_3] Version 4 [_4] Version 5', - '', - ''.$authtype, + '', - '', - ''); + ''); + } elsif ($can_assign{'krb4'}) { + $result .= &mt + ('[_1] Kerberos authenticated with domain [_2] '. + '[_3] Version 4 [_4]', + '', + ''); + } elsif ($can_assign{'krb5'}) { + $result .= &mt + ('[_1] Kerberos authenticated with domain [_2] '. + '[_3] Version 5 [_4]', + '', + ''); + } return $result; } sub authform_internal{ - my %args = ( + my %in = ( formname => 'document.cu', kerb_def_dom => 'MSU.EDU', @_, ); - my $jscall = "javascript:changed_radio('int',$args{'formname'});"; - my $result.=&mt + my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall); + my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); + if (defined($in{'curr_authtype'})) { + if ($in{'curr_authtype'} eq 'int') { + if ($can_assign{'int'}) { + $intcheck = 'checked="on" '; + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifyuser') { + $intcheck = ''; + } + } + if (defined($in{'curr_autharg'})) { + $intarg = $in{'curr_autharg'}; + } + } else { + $result = &mt('Currently internally authenticated.'); + return $result; + } + } + } else { + if ($authnum == 1) { + $authtype = ''; + } + } + if (!$can_assign{'int'}) { + return; + } elsif ($authtype eq '') { + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifycourse') { + if ($authnum == 1) { + $authtype = ''; + } + } + } + } + $jscall = "javascript:changed_radio('int',$in{'formname'});"; + if ($authtype eq '') { + $authtype = ''; + } + $autharg = ''; + $result = &mt ('[_1] Internally authenticated (with initial password [_2])', - '', - ''); + ''.$autharg); + $result.="'; return $result; } @@ -1130,12 +2096,51 @@ sub authform_local{ kerb_def_dom => 'MSU.EDU', @_, ); - my $jscall = "javascript:changed_radio('loc',$in{'formname'});"; - my $result.=&mt('[_1] Local Authentication with arguement [_2]', - '', - ''); + my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall); + my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); + if (defined($in{'curr_authtype'})) { + if ($in{'curr_authtype'} eq 'loc') { + if ($can_assign{'loc'}) { + $loccheck = 'checked="on" '; + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifyuser') { + $loccheck = ''; + } + } + if (defined($in{'curr_autharg'})) { + $locarg = $in{'curr_autharg'}; + } + } else { + $result = &mt('Currently using local (institutional) authentication.'); + return $result; + } + } + } else { + if ($authnum == 1) { + $authtype = ''; + } + } + if (!$can_assign{'loc'}) { + return; + } elsif ($authtype eq '') { + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifycourse') { + if ($authnum == 1) { + $authtype = ''; + } + } + } + } + $jscall = "javascript:changed_radio('loc',$in{'formname'});"; + if ($authtype eq '') { + $authtype = ''; + } + $autharg = ''; + $result = &mt('[_1] Local Authentication with argument [_2]', + ''.$autharg); return $result; } @@ -1145,21 +2150,96 @@ sub authform_filesystem{ kerb_def_dom => 'MSU.EDU', @_, ); - my $jscall = "javascript:changed_radio('fsys',$in{'formname'});"; - my $result.= &mt + my ($fsyscheck,$result,$authtype,$autharg,$jscall); + my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); + if (defined($in{'curr_authtype'})) { + if ($in{'curr_authtype'} eq 'fsys') { + if ($can_assign{'fsys'}) { + $fsyscheck = 'checked="on" '; + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifyuser') { + $fsyscheck = ''; + } + } + } else { + $result = &mt('Currently Filesystem Authenticated.'); + return $result; + } + } + } else { + if ($authnum == 1) { + $authtype = ''; + } + } + if (!$can_assign{'fsys'}) { + return; + } elsif ($authtype eq '') { + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifycourse') { + if ($authnum == 1) { + $authtype = ''; + } + } + } + } + $jscall = "javascript:changed_radio('fsys',$in{'formname'});"; + if ($authtype eq '') { + $authtype = ''; + } + $autharg = ''; + $result = &mt ('[_1] Filesystem Authenticated (with initial password [_2])', - '', - '', + ''); return $result; } -=pod - -=back - -=cut +sub get_assignable_auth { + my ($dom) = @_; + if ($dom eq '') { + $dom = $env{'request.role.domain'}; + } + my %can_assign = ( + krb4 => 1, + krb5 => 1, + int => 1, + loc => 1, + ); + my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom); + if (ref($domconfig{'usercreation'}) eq 'HASH') { + if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') { + my $authhash = $domconfig{'usercreation'}{'authtypes'}; + my $context; + if ($env{'request.role'} =~ /^au/) { + $context = 'author'; + } elsif ($env{'request.role'} =~ /^dc/) { + $context = 'domain'; + } elsif ($env{'request.course.id'}) { + $context = 'course'; + } + if ($context) { + if (ref($authhash->{$context}) eq 'HASH') { + %can_assign = %{$authhash->{$context}}; + } + } + } + } + my $authnum = 0; + foreach my $key (keys(%can_assign)) { + if ($can_assign{$key}) { + $authnum ++; + } + } + if ($can_assign{'krb4'} && $can_assign{'krb5'}) { + $authnum --; + } + return ($authnum,%can_assign); +} ############################################################### ## Get Authentication Defaults for Domain ## @@ -1189,7 +2269,9 @@ 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($domain,'auth_arg_def')); + } ############################################################### ## End Get Authentication Defaults for Domain ## @@ -1282,9 +2364,9 @@ sub initialize_keywords { } untie %thesaurus_db; # Remove special values from %Keywords. - foreach ('total.count','average.count') { - delete($Keywords{$_}) if (exists($Keywords{$_})); - } + foreach my $value ('total.count','average.count') { + delete($Keywords{$value}) if (exists($Keywords{$value})); + } return 1; } @@ -1315,7 +2397,7 @@ sub keyword { =item * get_related_words -Look up a word in the thesaurus. Takes a scalar arguement and returns +Look up a word in the thesaurus. Takes a scalar argument and returns an array of words. If the keyword is not in the thesaurus, an empty array will be returned. The order of the words returned is determined by the database which holds them. @@ -1338,12 +2420,20 @@ 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; @@ -1363,23 +2453,29 @@ 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; } return $name; } @@ -1402,8 +2498,8 @@ if the user does not sub nickname { my ($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.'"'; @@ -1416,6 +2512,67 @@ 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 @@ -1429,17 +2586,22 @@ 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"; + ''.$link.''; } # --------------------------------------------------------------- Notes Wrapper @@ -1451,8 +2613,12 @@ sub noteswrapper { # ------------------------------------------------------------- Aboutme Wrapper sub aboutmewrapper { - my ($link,$username,$domain)=@_; - return "$link"; + my ($link,$username,$domain,$target)=@_; + if (!defined($username) && !defined($domain)) { + return; + } + return ''.$link.''; } # ------------------------------------------------------------ Syllabus Wrapper @@ -1463,7 +2629,41 @@ 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 @@ -1530,7 +2730,31 @@ returns description of a specified copyr =cut sub copyrightdescription { - return $cprtag{shift(@_)}; + return &mt($cprtag{shift(@_)}); +} + +=pod + +=item * source_copyrightids() + +returns list of all source copyrights + +=cut + +sub source_copyrightids { + return sort(keys(%scprtag)); +} + +=pod + +=item * source_copyrightdescription() + +returns description of a specified source copyright id + +=cut + +sub source_copyrightdescription { + return &mt($scprtag{shift(@_)}); } =pod @@ -1555,7 +2779,8 @@ category =cut sub filecategorytypes { - return @{$category_extensions{lc($_[0])}}; + my ($cat) = @_; + return @{$category_extensions{lc($cat)}}; } =pod @@ -1570,6 +2795,18 @@ sub fileembstyle { return $fe{lc(shift(@_))}; } +sub filemimetype { + return $fm{lc(shift(@_))}; +} + + +sub filecategoryselect { + my ($name,$value)=@_; + return &select_form($value,$name, + '' => &mt('Any category'), + map { $_,$_ } sort(keys(%category_extensions))); +} + =pod =item * filedescription() @@ -1579,7 +2816,9 @@ returns description for a specified file =cut sub filedescription { - return $fd{lc(shift(@_))}; + my $file_description = $fd{lc(shift())}; + $file_description =~ s:([\[\]]):~$1:g; + return &mt($file_description); } =pod @@ -1593,7 +2832,9 @@ extra formatting sub filedescriptionex { my $ex=shift; - return '.'.$ex.' '.$fd{lc($ex)}; + my $file_description = $fd{lc($ex)}; + $file_description =~ s:([\[\]]):~$1:g; + return '.'.$ex.' '.&mt($file_description); } # End of .tab access @@ -1614,13 +2855,13 @@ 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; @@ -1628,43 +2869,74 @@ sub display_languages { sub preferred_languages { my @languages=(); - if ($ENV{'environment.languages'}) { - @languages=split(/\s*(\,|\;|\:)\s*/,$ENV{'environment.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'})); } - my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0]; + if ($env{'environment.languages'}) { + @languages=(@languages, + split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'})); + } + my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'}; if ($browser) { - @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser)); + my @browser = + map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser)); + push(@languages,@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]); } } + #uniqueify the languages list + my %count; + @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages; return @genlanguages; } +sub languages { + my ($possible_langs) = @_; + my @preferred_langs = &preferred_languages(); + if (!ref($possible_langs)) { + if( wantarray ) { + return @preferred_langs; + } else { + return $preferred_langs[0]; + } + } + my %possibilities = map { $_ => 1 } (@$possible_langs); + my @preferred_possibilities; + foreach my $preferred_lang (@preferred_langs) { + if (exists($possibilities{$preferred_lang})) { + push(@preferred_possibilities, $preferred_lang); + } + } + if( wantarray ) { + return @preferred_possibilities; + } + return $preferred_possibilities[0]; +} + ############################################################### ## Student Answer Attempts ## ############################################################### @@ -1715,18 +2987,18 @@ 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(/\./,$_); + $prevattempts=&start_data_table().&start_data_table_header_row(); + $prevattempts.=''; + foreach my $key (sort(keys(%lasthash))) { + my ($ign,@parts) = split(/\./,$key); if ($#parts > 0) { my $data=$parts[-1]; pop(@parts); - $prevattempts.=''; + $prevattempts.=''; } else { if ($#parts == 0) { $prevattempts.=''; @@ -1735,41 +3007,53 @@ sub get_previous_attempt { } } } + $prevattempts.=&end_data_table_header_row(); if ($getattempt eq '') { for ($version=1;$version<=$returnhash{'version'};$version++) { - $prevattempts.=''; - foreach (sort(keys %lasthash)) { - my $value; - if ($_ =~ /timestamp/) { - $value=scalar(localtime($returnhash{$version.':'.$_})); - } else { - $value=$returnhash{$version.':'.$_}; - } - $prevattempts.=''; + $prevattempts.=&start_data_table_row(). + ''; + foreach my $key (sort(keys(%lasthash))) { + my $value = &format_previous_attempt_value($key, + $returnhash{$version.':'.$key}); + $prevattempts.=''; } + $prevattempts.=&end_data_table_row(); } } - $prevattempts.=''; - foreach (sort(keys %lasthash)) { - my $value; - if ($_ =~ /timestamp/) { - $value=scalar(localtime($lasthash{$_})); - } else { - $value=$lasthash{$_}; - } - $value=&Apache::lonnet::unescape($value); - if ($_ =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} + $prevattempts.=&start_data_table_row().''; + foreach my $key (sort(keys(%lasthash))) { + my $value = &format_previous_attempt_value($key,$lasthash{$key}); + if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} $prevattempts.=''; } - $prevattempts.='
History'.&mt('History').'Part '.join('.',@parts).'
'.$data.' 		'.&mt('Part ').join('.',@parts).'
'.$data.' 		'.$parts[0].'
Transaction '.$version.''.&Apache::lonnet::unescape($value).' '.&mt('Transaction [_1]',$version).''.$value.' 
Current'.&mt('Current').''.$value.' 
'; + $prevattempts.= &end_data_table_row().&end_data_table(); } else { - $prevattempts='Nothing submitted - no attempts.'; + $prevattempts= + &start_data_table().&start_data_table_row(). + ''.&mt('Nothing submitted - no attempts.').''. + &end_data_table_row().&end_data_table(); } } else { - $prevattempts='No data.'; + $prevattempts= + &start_data_table().&start_data_table_row(). + ''.&mt('No data.').''. + &end_data_table_row().&end_data_table(); } } +sub format_previous_attempt_value { + my ($key,$value) = @_; + if ($key =~ /timestamp/) { + $value = &Apache::lonlocal::locallocaltime($value); + } elsif (ref($value) eq 'ARRAY') { + $value = '('.join(', ', @{ $value }).')'; + } else { + $value = &unescape($value); + } + return $value; +} + + sub relative_to_absolute { my ($url,$output)=@_; my $parser=HTML::TokeParser->new(\$output); @@ -1790,14 +3074,14 @@ 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$2/; } } # -------------------------------------------------- Deal with Applet codebases @@ -1814,22 +3098,19 @@ show a snapshot of what student was look =cut sub get_student_view { - my ($symb,$username,$domain,$courseid,$target) = @_; + my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_; my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb); - my (%old,%moreenv); + my (%form); my @elements=('symb','courseid','domain','username'); foreach my $element (@elements) { - $old{$element}=$ENV{'form.grade_'.$element}; - $moreenv{'form.grade_'.$element}=eval '$'.$element #' + $form{'grade_'.$element}=eval '$'.$element #' } - if ($target eq 'tex') {$moreenv{'form.grade_target'} = 'tex';} - &Apache::lonnet::appenv(%moreenv); - $feedurl=&Apache::lonnet::clutter($feedurl); - my $userview=&Apache::lonnet::ssi_body($feedurl); - &Apache::lonnet::delenv('form.grade_'); - foreach my $element (@elements) { - $ENV{'form.grade_'.$element}=$old{$element}; + if (defined($moreenv)) { + %form=(%form,%{$moreenv}); } + if (defined($target)) { $form{'grade_target'} = $target; } + $feedurl=&Apache::lonnet::clutter($feedurl); + my $userview=&Apache::lonnet::ssi_body($feedurl,%form); $userview=~s/\]*\>//gi; $userview=~s/\<\/body\>//gi; $userview=~s/\//gi; @@ -1852,19 +3133,15 @@ show a snapshot of how student was answe sub get_student_answers { my ($symb,$username,$domain,$courseid,%form) = @_; my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb); - my (%old,%moreenv); + my (%moreenv); my @elements=('symb','courseid','domain','username'); foreach my $element (@elements) { - $old{$element}=$ENV{'form.grade_'.$element}; - $moreenv{'form.grade_'.$element}=eval '$'.$element #' - } - $moreenv{'form.grade_target'}='answer'; - &Apache::lonnet::appenv(%moreenv); - my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%form); - &Apache::lonnet::delenv('form.grade_'); - foreach my $element (@elements) { - $ENV{'form.grade_'.$element}=$old{$element}; + $moreenv{'grade_'.$element}=eval '$'.$element #' } + $moreenv{'grade_target'}='answer'; + %moreenv=(%form,%moreenv); + $feedurl = &Apache::lonnet::clutter($feedurl); + my $userview=&Apache::lonnet::ssi($feedurl,%moreenv); return $userview; } @@ -1872,7 +3149,7 @@ sub get_student_answers { =item * &submlink() -Inputs: $text $uname $udom $symb +Inputs: $text $uname $udom $symb $target Returns: A link to grades.pm such as to see the SUBM view of a student @@ -1880,15 +3157,64 @@ Returns: A link to grades.pm such as to ############################################### sub submlink { - my ($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.''; } ############################################## @@ -1914,50 +3240,391 @@ 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)); } - ######################################### -# -# Retro-fixing of un-backward-compatible time format -sub unsqltime { - my $timestamp=shift; - if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) { - $timestamp=&maketime( - 'year'=>$1,'month'=>$2,'day'=>$3, - 'hours'=>$4,'minutes'=>$5,'seconds'=>$6); +sub findallcourses { + my ($roles,$uname,$udom) = @_; + my %roles; + if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; } + my %courses; + my $now=time; + if (!defined($uname)) { + $uname = $env{'user.name'}; } - return $timestamp; + if (!defined($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 < $now); + } + if ($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; + } + } + } + } + return %courses; } -######################################### +############################################### -sub findallcourses { - 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) { $active=0; } +sub blockcheck { + my ($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 ($endtime) { - if ($now>$endtime) { $active=0; } + if ($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)) { + $no_ownblock = 1; + last; + } } - if ($active) { $courses{$1.'_'.$2}=1; } + } + # if they have the evb priv and are currently not playing student + next if (($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 = $end; } } - return keys %courses; + return ($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 @@ -1977,17 +3644,104 @@ 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'],$udom); + my (%designhash,%legacy); + if (keys(%domconfig) > 0) { + if (ref($domconfig{'login'}) eq 'HASH') { + if (keys(%{$domconfig{'login'}})) { + foreach my $key (keys(%{$domconfig{'login'}})) { + $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key}; + } + } else { + $legacy{'login'} = 1; + } + } else { + $legacy{'login'} = 1; + } + if (ref($domconfig{'rolecolors'}) eq 'HASH') { + if (keys(%{$domconfig{'rolecolors'}})) { + 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 { + $legacy{'rolecolors'} = 1; + } + } else { + $legacy{'rolecolors'} = 1; + } + if (keys(%legacy) > 0) { + my %legacyhash = &get_legacy_domconf($udom); + foreach my $item (keys(%legacyhash)) { + if ($item =~ /^\Q$udom\E\.login/) { + if ($legacy{'login'}) { + $designhash{$item} = $legacyhash{$item}; + } + } else { + if ($legacy{'rolecolors'}) { + $designhash{$item} = $legacyhash{$item}; + } + } + } + } + } else { + %designhash = &get_legacy_domconf($udom); + } + &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash, + $cachetime); + return %designhash; +} + +sub get_legacy_domconf { + my ($udom) = @_; + my %legacyhash; + 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) { $legacyhash{$udom.'.'.$key}=$val; } + } + close($fh); + } + } + if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') { + $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif"; + } + return %legacyhash; +} + =pod =item * &domainlogo() @@ -2001,15 +3755,21 @@ 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 ''; } @@ -2026,29 +3786,43 @@ Returns: value of designparamter $which =cut + ############################################## sub designparm { my ($which,$domain)=@_; - if ($ENV{'browser.blackwhite'} eq 'on') { - if ($which=~/\.(font|alink|vlink|link)$/) { + if ($env{'browser.blackwhite'} eq 'on') { + if ($which=~/\.(font|alink|vlink|link|textcol)$/) { return '#000000'; } - if ($which=~/\.(pgbg|sidebg)$/) { + if ($which=~/\.(pgbg|sidebg|bgcol)$/) { return '#FFFFFF'; } if ($which=~/\.tabbg$/) { return '#CCCCCC'; } } - if ($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 (($which =~ /^(student|coordinator|author|admin)\.img$/) || + ($which =~ /login\.(img|logo|domlogo|login)/)) { + if ($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; } ############################################### @@ -2058,7 +3832,7 @@ sub designparm { =back -=head1 HTTP Helpers +=head1 HTML Helpers =over 4 @@ -2083,6 +3857,26 @@ 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 * $args, optional argument valid values are + no_auto_mt_title -> prevents &mt()ing the title arg + inherit_jsmath -> when creating popup window in a page, + should it have jsmath forced on by the + current page + =back Returns: A uniform header for LON-CAPA web pages. @@ -2093,204 +3887,2838 @@ other decorations will be returned. =cut sub bodytag { - my ($title,$function,$addentries,$bodyonly,$domain,$forcereg)=@_; - $title=&mt($title); - unless ($function) { - $function='student'; - if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) { - $function='coordinator'; - } - if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) { - $function='admin'; - } - if (($ENV{'request.role'}=~/^(au|ca)/) || - ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) { - $function='author'; - } - } - 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') { - $addstyle=' font-size: x-large;'; - } + my ($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 $font = &designparm($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:hover { color: black; background: yellow } -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/) { + $imgsrc = &lonhttpdurl($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; +} + + +############################################### ############################################### -sub get_posted_cgi { - my $r=shift; +=pod + +=item * &endbodytag() + +Returns a uniform footer for LON-CAPA web pages. + +Inputs: 1 - optional reference to an args hash +If in the hash, key for noredirectlink has a value which evaluates to true, +a 'Continue' link is not displayed if the page contains an +internal redirect in the section, +i.e., $env{'internal.head.redirect'} exists + +=cut + +sub endbodytag { + my ($args) = @_; + my $endbodytag=''; + $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag; + if ( exists( $env{'internal.head.redirect'} ) ) { + if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) { + $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 = 'Verdana,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' || + $env{'browser.type'} eq 'safari' ) ? '0px 2px 0px 2px' + : '0px 3px 0px 4px'; + + + return < td, +table.LC_aboutme_port tr td { + background-color: $data_table_light; + padding: 2px; +} +table.LC_data_table tr.LC_even_row > td, +table.LC_aboutme_port tr.LC_even_row td { + background-color: $data_table_dark; +} +table.LC_data_table tr.LC_data_table_highlight td { + background-color: $data_table_darker; +} +table.LC_data_table tr.LC_empty_row td, +table.LC_nested tr.LC_empty_row td { + background-color: #FFFFFF; + font-weight: bold; + font-style: italic; + text-align: center; + padding: 8px; +} +table.LC_nested tr.LC_empty_row td { + padding: 4ex +} +table.LC_nested_outer tr th { + font-weight: bold; + background-color: $data_table_head; + font-size: smaller; + border-bottom: 1px solid #000000; +} +table.LC_nested_outer tr td.LC_subheader { + background-color: $data_table_head; + font-weight: bold; + font-size: small; + border-bottom: 1px solid #000000; + text-align: right; +} +table.LC_nested tr.LC_info_row td { + background-color: #CCC; + font-weight: bold; + font-size: small; + text-align: center; +} +table.LC_nested tr.LC_info_row td.LC_left_item, +table.LC_nested_outer tr th.LC_left_item { + text-align: left; +} +table.LC_nested td { + background-color: #FFF; + font-size: small; +} +table.LC_nested_outer tr th.LC_right_item, +table.LC_nested tr.LC_info_row td.LC_right_item, +table.LC_nested tr.LC_odd_row td.LC_right_item, +table.LC_nested tr td.LC_right_item { + text-align: right; +} + +table.LC_nested tr.LC_odd_row td { + background-color: #EEE; +} + +table.LC_createuser { +} + +table.LC_createuser tr.LC_section_row td { + font-size: smaller; +} + +table.LC_createuser tr.LC_info_row td { + background-color: #CCC; + font-weight: bold; + text-align: center; +} + +table.LC_calendar { + border: 1px solid #000000; + border-collapse: collapse; +} +table.LC_calendar_pickdate { + font-size: xx-small; +} +table.LC_calendar tr td { + border: 1px solid #000000; + vertical-align: top; +} +table.LC_calendar tr td.LC_calendar_day_empty { + background-color: $data_table_dark; +} +table.LC_calendar tr td.LC_calendar_day_current { + background-color: $data_table_highlight; +} + +table.LC_mail_list tr.LC_mail_new { + background-color: $mail_new; +} +table.LC_mail_list tr.LC_mail_new:hover { + background-color: $mail_new_hover; +} +table.LC_mail_list tr.LC_mail_read { + background-color: $mail_read; +} +table.LC_mail_list tr.LC_mail_read:hover { + background-color: $mail_read_hover; +} +table.LC_mail_list tr.LC_mail_replied { + background-color: $mail_replied; +} +table.LC_mail_list tr.LC_mail_replied:hover { + background-color: $mail_replied_hover; +} +table.LC_mail_list tr.LC_mail_other { + background-color: $mail_other; +} +table.LC_mail_list tr.LC_mail_other:hover { + background-color: $mail_other_hover; +} +table.LC_mail_list tr.LC_mail_even { +} +table.LC_mail_list tr.LC_mail_odd { +} + + +table#LC_portfolio_actions { + width: auto; + background: $pgbg; + border: 0px; + border-spacing: 2px 2px; + padding: 0px; + margin: 0px; + border-collapse: separate; +} +table#LC_portfolio_actions td.LC_label { + background: $tabbg; + text-align: right; +} +table#LC_portfolio_actions td.LC_value { + background: $tabbg; +} + +table#LC_cstr_controls { + width: 100%; + border-collapse: collapse; +} +table#LC_cstr_controls tr td { + border: 4px solid $pgbg; + padding: 4px; + text-align: center; + background: $tabbg; +} +table#LC_cstr_controls tr th { + border: 4px solid $pgbg; + background: $table_header; + text-align: center; + font-family: $sans; + font-size: smaller; +} + +table#LC_browser { + +} +table#LC_browser tr th { + background: $table_header; +} +table#LC_browser tr td { + padding: 2px; +} +table#LC_browser tr.LC_browser_file, +table#LC_browser tr.LC_browser_file_published { + background: #CCFF88; +} +table#LC_browser tr.LC_browser_file_locked, +table#LC_browser tr.LC_browser_file_unpublished { + background: #FFAA99; +} +table#LC_browser tr.LC_browser_file_obsolete { + background: #AAAAAA; +} +table#LC_browser tr.LC_browser_file_modified, +table#LC_browser tr.LC_browser_file_metamodified { + background: #FFFF77; +} +table#LC_browser tr.LC_browser_folder { + background: #CCCCFF; +} +span.LC_current_location { + font-size: x-large; + background: $pgbg; +} + +span.LC_parm_menu_item { + font-size: larger; + font-family: $sans; +} +span.LC_parm_scope_all { + color: red; +} +span.LC_parm_scope_folder { + color: green; +} +span.LC_parm_scope_resource { + color: orange; +} +span.LC_parm_part { + color: blue; +} +span.LC_parm_folder, span.LC_parm_symb { + font-size: x-small; + font-family: $mono; + color: #AAAAAA; +} + +td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu, +td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions { + border: 1px solid black; + border-collapse: collapse; +} +table.LC_parm_overview_restrictions td { + border-width: 1px 4px 1px 4px; + border-style: solid; + border-color: $pgbg; + text-align: center; +} +table.LC_parm_overview_restrictions th { + background: $tabbg; + border-width: 1px 4px 1px 4px; + border-style: solid; + border-color: $pgbg; +} +table#LC_helpmenu { + border: 0px; + height: 55px; + border-spacing: 0px; +} + +table#LC_helpmenu fieldset legend { + font-size: larger; + font-weight: bold; +} +table#LC_helpmenu_links { + width: 100%; + border: 1px solid black; + background: $pgbg; + padding: 0px; + border-spacing: 1px; +} +table#LC_helpmenu_links tr td { + padding: 1px; + background: $tabbg; + text-align: center; + font-weight: bold; +} + +table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited, +table#LC_helpmenu_links a:active { + text-decoration: none; + color: $font; +} +table#LC_helpmenu_links a:hover { + text-decoration: underline; + color: $vlink; +} + +.LC_chrt_popup_exists { + border: 1px solid #339933; + margin: -1px; +} +.LC_chrt_popup_up { + border: 1px solid yellow; + margin: -1px; +} +.LC_chrt_popup { + border: 1px solid #8888FF; + background: #CCCCFF; +} +table.LC_pick_box { + border-collapse: separate; + background: white; + border: 1px solid black; + border-spacing: 1px; +} +table.LC_pick_box td.LC_pick_box_title { + background: $tabbg; + font-weight: bold; + text-align: right; + width: 184px; + padding: 8px; +} +table.LC_pick_box td.LC_pick_box_value { + text-align: left; + padding: 8px; +} +table.LC_pick_box td.LC_pick_box_select { + text-align: left; + padding: 8px; +} +table.LC_pick_box td.LC_pick_box_separator { + padding: 0px; + height: 1px; + background: black; +} +table.LC_pick_box td.LC_pick_box_submit { + text-align: right; +} +table.LC_pick_box td.LC_evenrow_value { + text-align: left; + padding: 8px; + background-color: $data_table_light; +} +table.LC_pick_box td.LC_oddrow_value { + text-align: left; + padding: 8px; + background-color: $data_table_light; +} +table.LC_helpform_receipt { + width: 620px; + border-collapse: separate; + background: white; + border: 1px solid black; + border-spacing: 1px; +} +table.LC_helpform_receipt td.LC_pick_box_title { + background: $tabbg; + font-weight: bold; + text-align: right; + width: 184px; + padding: 8px; +} +table.LC_helpform_receipt td.LC_evenrow_value { + text-align: left; + padding: 8px; + background-color: $data_table_light; +} +table.LC_helpform_receipt td.LC_oddrow_value { + text-align: left; + padding: 8px; + background-color: $data_table_light; +} +table.LC_helpform_receipt td.LC_pick_box_separator { + padding: 0px; + height: 1px; + background: black; +} +span.LC_helpform_receipt_cat { + font-weight: bold; +} +table.LC_group_priv_box { + background: white; + border: 1px solid black; + border-spacing: 1px; +} +table.LC_group_priv_box td.LC_pick_box_title { + background: $tabbg; + font-weight: bold; + text-align: right; + width: 184px; +} +table.LC_group_priv_box td.LC_groups_fixed { + background: $data_table_light; + text-align: center; +} +table.LC_group_priv_box td.LC_groups_optional { + background: $data_table_dark; + text-align: center; +} +table.LC_group_priv_box td.LC_groups_functionality { + background: $data_table_darker; + text-align: center; + font-weight: bold; +} +table.LC_group_priv td { + text-align: left; + padding: 0px; +} + +table.LC_notify_front_page { + background: white; + border: 1px solid black; + padding: 8px; +} +table.LC_notify_front_page td { + padding: 8px; +} +.LC_navbuttons { + margin: 2ex 0ex 2ex 0ex; +} +.LC_topic_bar { + font-family: $sans; + font-weight: bold; + width: 100%; + background: $tabbg; + vertical-align: middle; + margin: 2ex 0ex 2ex 0ex; +} +.LC_topic_bar span { + vertical-align: middle; +} +.LC_topic_bar img { + vertical-align: bottom; +} +table.LC_course_group_status { + margin: 20px; +} +table.LC_status_selector td { + vertical-align: top; + text-align: center; + padding: 4px; +} +table.LC_descriptive_input td.LC_description { + vertical-align: top; + text-align: right; + font-weight: bold; +} +div.LC_feedback_link { + clear: both; + background: white; + width: 100%; +} +span.LC_feedback_link { + background: $feedback_link_bg; + font-size: larger; +} +span.LC_message_link { + background: $feedback_link_bg; + font-size: larger; + position: absolute; + right: 1em; +} + +table.LC_prior_tries { + border: 1px solid #000000; + border-collapse: separate; + border-spacing: 1px; +} + +table.LC_prior_tries td { + padding: 2px; +} + +.LC_answer_correct { + background: #AAFFAA; + color: black; +} +.LC_answer_charged_try { + background: #FFAAAA ! important; + color: black; +} +.LC_answer_not_charged_try, +.LC_answer_no_grade, +.LC_answer_late { + background: #FFFFAA; + color: black; +} +.LC_answer_previous { + background: #AAAAFF; + color: black; +} +.LC_answer_no_message { + background: #FFFFFF; + color: black; +} +.LC_answer_unknown { + background: orange; + color: black; +} + + +span.LC_prior_numerical, +span.LC_prior_string, +span.LC_prior_custom, +span.LC_prior_reaction, +span.LC_prior_math { + font-family: monospace; + white-space: pre; +} + +span.LC_prior_string { + font-family: monospace; + white-space: pre; +} + +table.LC_prior_option { + width: 100%; + border-collapse: collapse; +} +table.LC_prior_rank, table.LC_prior_match { + border-collapse: collapse; +} +table.LC_prior_option tr td, +table.LC_prior_rank tr td, +table.LC_prior_match tr td { + border: 1px solid #000000; +} + +span.LC_nobreak { + white-space: nowrap; +} + +span.LC_cusr_emph { + font-style: italic; +} + +span.LC_cusr_subheading { + font-weight: normal; + font-size: 85%; +} + +table.LC_docs_documents { + background: #BBBBBB; + border-width: 0px; + border-collapse: collapse; +} + +table.LC_docs_documents td.LC_docs_document { + border: 2px solid black; + padding: 4px; +} - my $buffer; +.LC_docs_course_commands div { + float: left; + border: 4px solid #AAAAAA; + padding: 4px; + background: #DDDDCC; +} + +.LC_docs_entry_move { + border: 0px; + border-collapse: collapse; +} + +.LC_docs_entry_move td { + border: 2px solid #BBBBBB; + background: #DDDDDD; +} + +.LC_docs_editor td.LC_docs_entry_commands { + background: #DDDDDD; + font-size: x-small; +} +.LC_docs_copy { + color: #000099; +} +.LC_docs_cut { + color: #550044; +} +.LC_docs_rename { + color: #009900; +} +.LC_docs_remove { + color: #990000; +} + +.LC_docs_reinit_warn, +.LC_docs_ext_edit { + font-size: x-small; +} + +.LC_docs_editor td.LC_docs_entry_title, +.LC_docs_editor td.LC_docs_entry_icon { + background: #FFFFBB; +} +.LC_docs_editor td.LC_docs_entry_parameter { + background: #BBBBFF; + font-size: x-small; + white-space: nowrap; +} + +table.LC_docs_adddocs td, +table.LC_docs_adddocs th { + border: 1px solid #BBBBBB; + padding: 4px; + background: #DDDDDD; +} + +table.LC_sty_begin { + background: #BBFFBB; +} +table.LC_sty_end { + background: #FFBBBB; +} + +table.LC_double_column { + border-width: 0px; + border-collapse: collapse; + width: 100%; + padding: 2px; +} + +table.LC_double_column tr td.LC_left_col { + top: 2px; + left: 2px; + width: 47%; + vertical-align: top; +} + +table.LC_double_column tr td.LC_right_col { + top: 2px; + right: 2px; + width: 47%; + vertical-align: top; +} + +span.LC_role_level { + font-weight: bold; +} + +div.LC_left_float { + float: left; + padding-right: 5%; + padding-bottom: 4px; +} + +div.LC_clear_float_header { + padding-bottom: 2px; +} + +div.LC_clear_float_footer { + padding-top: 10px; + clear: both; +} + + +div.LC_grade_select_mode { + font-family: $sans; +} +div.LC_grade_select_mode div div { + margin: 5px; +} +div.LC_grade_select_mode_selector { + margin: 5px; + float: left; +} +div.LC_grade_select_mode_selector_header { + font: bold medium $sans; +} +div.LC_grade_select_mode_type { + clear: left; +} + +div.LC_grade_show_user { + margin-top: 20px; + border: 1px solid black; +} +div.LC_grade_user_name { + background: #DDDDEE; + border-bottom: 1px solid black; + font: bold large $sans; +} +div.LC_grade_show_user_odd_row div.LC_grade_user_name { + background: #DDEEDD; +} + +div.LC_grade_show_problem, +div.LC_grade_submissions, +div.LC_grade_message_center, +div.LC_grade_info_links, +div.LC_grade_assign { + margin: 5px; + width: 99%; + background: #FFFFFF; +} +div.LC_grade_show_problem_header, +div.LC_grade_submissions_header, +div.LC_grade_message_center_header, +div.LC_grade_assign_header { + font: bold large $sans; +} +div.LC_grade_show_problem_problem, +div.LC_grade_submissions_body, +div.LC_grade_message_center_body, +div.LC_grade_assign_body { + border: 1px solid black; + width: 99%; + background: #FFFFFF; +} +span.LC_grade_check_note { + font: normal medium $sans; + display: inline; + position: absolute; + right: 1em; +} + +table.LC_scantron_action { + width: 100%; +} +table.LC_scantron_action tr th { + font: normal bold $sans; +} + +div.LC_edit_problem_header, +div.LC_edit_problem_footer { + font: normal medium $sans; + margin: 2px; +} +div.LC_edit_problem_header, +div.LC_edit_problem_header div, +div.LC_edit_problem_footer, +div.LC_edit_problem_footer div, +div.LC_edit_problem_editxml_header, +div.LC_edit_problem_editxml_header div { + margin-top: 5px; +} +div.LC_edit_problem_header_edit_row { + background: $tabbg; + padding: 3px; + margin-bottom: 5px; +} +div.LC_edit_problem_header_title { + font: larger bold $sans; + background: $tabbg; + padding: 3px; +} +table.LC_edit_problem_header_title { + font: larger bold $sans; + width: 100%; + border-color: $pgbg; + border-style: solid; + border-width: $border; + + background: $tabbg; + border-collapse: collapse; + padding: 0px +} + +div.LC_edit_problem_discards { + float: left; + padding-bottom: 5px; +} +div.LC_edit_problem_saves { + float: right; + padding-bottom: 5px; +} +hr.LC_edit_problem_divide { + clear: both; + color: $tabbg; + background-color: $tabbg; + height: 3px; + border: 0px; +} +END +} + +=pod + +=item * &headtag() + +Returns a uniform footer for LON-CAPA web pages. + +Inputs: $title - optional title for the head + $head_extra - optional extra HTML to put inside the + $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) = @_; - $r->read($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); + 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 $output=''; + + if ($env{'internal.start_page'}==1) { + &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 { + $result .= &endbodytag($args); + } + $result .= "\n"; + + if ($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)); + unshift(@row_count,0); + return ''."\n"; + } + + sub end_data_table { + shift(@row_count); + return '
'."\n";; + } + + sub start_data_table_row { + my ($add_class) = @_; + $row_count[0]++; + my $css_class = ($row_count[0] % 2)?'LC_odd_row':'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[0] % 2)?'LC_odd_row':'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 { + $row_count[0]++; + return ''."\n";; + } + + sub end_data_table_empty_row { + return ''."\n";; + } + + sub start_data_table_header_row { + return ''."\n";; + } + + sub end_data_table_header_row { + return ''."\n";; + } +} + +=pod + +=item * &inhibit_menu_check($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 + +=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'. + +=cut + +############################################### +sub get_users_function { + my $function = 'student'; + if ($env{'request.role'}=~/^(cc|in|ta|ep)/) { + $function='coordinator'; + } + if ($env{'request.role'}=~/^(su|dc|ad|li)/) { + $function='admin'; + } + if (($env{'request.role'}=~/^(au|ca)/) || + ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) { + $function='author'; + } + return $function; +} + +############################################### + +=pod + +=item * &check_user_status() + +Determines current status of supplied role for a +specific user. Roles can be active, previous or future. + +Inputs: +user's domain, user's username, course's domain, +course's number, optional section 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 +8. reference to optional statushash +9. flag if privileged users (except those set to unhide in + course settings) should be excluded +Keys of top level results 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. + +Optional statushash returns + +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,$statushash,$hidepriv) = @_; + 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}]; + my $status = $$classlist{$student}[$idx{status}]; + if ($section eq '') { + $section = 'none'; + } + if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) { + if (grep(/^all$/,@{$sections})) { + $secmatch = 1; + } elsif ($$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; + } + } + if (defined($$types{'active'})) { + if ($$classlist{$student}[$idx{status}] eq 'Active') { + push(@{$$users{st}{$student}},'active'); + $match = 1; + } + } + if (defined($$types{'previous'})) { + if ($$classlist{$student}[$idx{status}] eq 'Expired') { + push(@{$$users{st}{$student}},'previous'); + $match = 1; + } + } + if (defined($$types{'future'})) { + if ($$classlist{$student}[$idx{status}] eq 'Future') { + push(@{$$users{st}{$student}},'future'); + $match = 1; + } + } + if ($match) { + push(@{$seclists{$student}},$section); + if (ref($userdata) eq 'HASH') { + $$userdata{$student} = $$classlist{$student}; + } + if (ref($statushash) eq 'HASH') { + $statushash->{$student}{'st'}{$section} = $status; + } + } + } + } + if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) { + my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + my $now = time; + my %displaystatus = ( previous => 'Expired', + active => 'Active', + future => 'Future', + ); + my %nothide; + if ($hidepriv) { + my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum); + foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { + if ($user !~ /:/) { + $nothide{join(':',split(/[\@]/,$user))}=1; + } else { + $nothide{$user} = 1; + } + } + } + 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 '' && $udom ne '') { + if ($hidepriv) { + if ((&Apache::lonnet::privileged($uname,$udom)) && + (!$nothide{$uname.':'.$udom})) { + next; + } + } + if ($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($$userdata{$uname.':'.$udom})) { + &get_user_info($udom,$uname,\%idx,$userdata); + } + if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) { + push(@{$seclists{$uname.':'.$udom}},$usec); + } + if (ref($statushash) eq 'HASH') { + $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status}; + } + } + } + } + } + if (grep(/^ow$/,@{$roles})) { + if ((defined($cdom)) && (defined($cnum))) { + my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum); + if ( defined($csettings{'internal.courseowner'}) ) { + my $owner = $csettings{'internal.courseowner'}; + next if ($owner eq ''); + my ($ownername,$ownerdom); + if ($owner =~ /^([^:]+):([^:]+)$/) { + $ownername = $1; + $ownerdom = $2; + } else { + $ownername = $owner; + $ownerdom = $cdom; + $owner = $ownername.':'.$ownerdom; + } + @{$$users{'ow'}{$owner}} = 'any'; + if (defined($userdata) && + !exists($$userdata{$owner})) { + &get_user_info($ownerdom,$ownername,\%idx,$userdata); + if (!grep(/^none$/,@{$seclists{$owner}})) { + push(@{$seclists{$owner}},'none'); + } + if (ref($statushash) eq 'HASH') { + $statushash->{$owner}{'ow'}{'none'} = 'Any'; + } } - $i++; - } - } else { - $value.=$lines[$i]."\n"; - } + } + } + } + foreach my $user (keys(%seclists)) { + @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}}); + $$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}] = $udom; + my %idhash = &Apache::lonnet::idrget($udom,($uname)); + $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname}; + 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,$settingstatus); + my %quotahash = &Apache::lonnet::get_dom('configuration', + ['quotas'],$udom); + if (ref($quotahash{'quotas'}) eq 'HASH') { + if ($inststatus ne '') { + my @statuses = split(/:/,$inststatus); + foreach my $item (@statuses) { + if ($quotahash{'quotas'}{$item} ne '') { + if ($defquota eq '') { + $defquota = $quotahash{'quotas'}{$item}; + $settingstatus = $item; + } elsif ($quotahash{'quotas'}{$item} > $defquota) { + $defquota = $quotahash{'quotas'}{$item}; + $settingstatus = $item; + } + } + } + } + if ($defquota eq '') { + $defquota = $quotahash{'quotas'}{'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); } - $ENV{'request.method'}=$ENV{'REQUEST_METHOD'}; - $r->method_number(M_GET); - $r->method('GET'); - $r->headers_in->unset('Content-length'); + return (\@sections,\@groups,$allroles,$rolehash,$accesshash); +} + +sub user_picker { + my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_; + my $currdom = $dom; + my %curr_selected = ( + srchin => 'dom', + srchby => 'lastname', + ); + my $srchterm; + if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) { + if ($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( + 'usr' => 'Search criteria', + 'doma' => 'Domain/institution to search', + 'uname' => 'username', + 'lastname' => 'last name', + 'lastfirst' => 'last name, first name', + 'crs' => 'in this course', + 'dom' => 'in selected LON-CAPA domain', + 'alc' => 'all LON-CAPA', + 'instd' => 'in institutional directory for selected domain', + 'exact' => 'is', + 'contains' => 'contains', + 'begins' => 'begins with', + 'youm' => "You must include some text to search for.", + 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.", + 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.", + 'yomc' => "You must choose a domain when using an institutional directory search.", + 'ymcd' => "You must choose a domain when using a domain search.", + 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.", + 'whse' => "When searching by last,first you must include at least one character in the first name.", + 'thfo' => "The following need to be corrected before the search can be run:", + ); + 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) { + if (ref($srch) eq 'HASH') { + if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) { + if ($cancreate) { + $new_user_create = '

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

'; + } else { + my $helplink = ' href="javascript:helpMenu('."'display'".')"'; + my %usertypetext = ( + official => 'institutional', + unofficial => 'non-institutional', + ); + $new_user_create = '
'.&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.&mt('Contact the helpdesk for assistance.',$helplink).'

'; + } + } + } + + $newuserscript = <<"ENDSCRIPT"; + +function setSearch(createnew,callingForm) { + if (createnew == 1) { + for (var i=0; i +function validateEntry(callingForm) { + + var checkok = 1; + var srchin; + for (var i=0; i + +$new_user_create + + + + + + + + + + + +
$lt{'doma'}:$domform
$lt{'usr'}:$srchbysel + $srchtypesel + + $srchinsel +
+
+END_BLOCK + + return $output; +} + +sub user_rule_check { + my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_; + my $response; + if (ref($usershash) eq 'HASH') { + foreach my $user (keys(%{$usershash})) { + my ($uname,$udom) = split(/:/,$user); + next if ($udom eq '' || $uname eq ''); + my ($id,$newuser); + if (ref($usershash->{$user}) eq 'HASH') { + $newuser = $usershash->{$user}->{'newuser'}; + $id = $usershash->{$user}->{'id'}; + } + my $inst_response; + if (ref($checks) eq 'HASH') { + if (defined($checks->{'username'})) { + ($inst_response,%{$inst_results->{$user}}) = + &Apache::lonnet::get_instuser($udom,$uname); + } elsif (defined($checks->{'id'})) { + ($inst_response,%{$inst_results->{$user}}) = + &Apache::lonnet::get_instuser($udom,undef,$id); + } + } else { + ($inst_response,%{$inst_results->{$user}}) = + &Apache::lonnet::get_instuser($udom,$uname); + return; + } + if (!$got_rules->{$udom}) { + my %domconfig = &Apache::lonnet::get_dom('configuration', + ['usercreation'],$udom); + if (ref($domconfig{'usercreation'}) eq 'HASH') { + foreach my $item ('username','id') { + if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') { + $$curr_rules{$udom}{$item} = + $domconfig{'usercreation'}{$item.'_rule'}; + } + } + } + $got_rules->{$udom} = 1; + } + foreach my $item (keys(%{$checks})) { + if (ref($$curr_rules{$udom}) eq 'HASH') { + if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') { + if (@{$$curr_rules{$udom}{$item}} > 0) { + my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item}); + foreach my $rule (@{$$curr_rules{$udom}{$item}}) { + if ($rule_check{$rule}) { + $$rulematch{$user}{$item} = $rule; + if ($inst_response eq 'ok') { + if (ref($inst_results) eq 'HASH') { + if (ref($inst_results->{$user}) eq 'HASH') { + if (keys(%{$inst_results->{$user}}) == 0) { + $$alerts{$item}{$udom}{$uname} = 1; + } + } + } + } + last; + } + } + } + } + } + } + } + } + return; +} + +sub user_rule_formats { + my ($domain,$domdesc,$curr_rules,$check) = @_; + my %text = ( + 'username' => 'Usernames', + 'id' => 'IDs', + ); + my $output; + my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check); + if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) { + if (@{$ruleorder} > 0) { + $output = '
'.&mt("$text{$check} with the following format(s) may only be used for verified users at [_1]:",$domdesc).'
    '; + foreach my $rule (@{$ruleorder}) { + if (ref($curr_rules) eq 'ARRAY') { + if (grep(/^\Q$rule\E$/,@{$curr_rules})) { + if (ref($rules->{$rule}) eq 'HASH') { + $output .= '
  • '.$rules->{$rule}{'name'}.': '. + $rules->{$rule}{'desc'}.'
    • '; + } + } + } + } + $output .= '
'; + } + } + return $output; +} + +sub instrule_disallow_msg { + my ($checkitem,$domdesc,$count,$mode) = @_; + my $response; + my %text = ( + item => 'username', + items => 'usernames', + match => 'matches', + do => 'does', + action => 'a username', + one => 'one', + ); + if ($count > 1) { + $text{'item'} = 'usernames'; + $text{'match'} ='match'; + $text{'do'} = 'do'; + $text{'action'} = 'usernames', + $text{'one'} = 'ones'; + } + if ($checkitem eq 'id') { + $text{'items'} = 'IDs'; + $text{'item'} = 'ID'; + $text{'action'} = 'an ID'; + if ($count > 1) { + $text{'item'} = 'IDs'; + $text{'action'} = 'IDs'; + } + } + $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",$domdesc).'
'; + if ($mode eq 'upload') { + if ($checkitem eq 'username') { + $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}."); + } elsif ($checkitem eq 'id') { + $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the ID/Student Number field."); + } + } else { + if ($checkitem eq 'username') { + $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}."); + } elsif ($checkitem eq 'id') { + $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank."); + } + } + return $response; +} + +sub personal_data_fieldtitles { + my %fieldtitles = &Apache::lonlocal::texthash ( + id => 'Student/Employee ID', + permanentemail => 'E-mail address', + lastname => 'Last Name', + firstname => 'First Name', + middlename => 'Middle Name', + generation => 'Generation', + gen => 'Generation', + ); + return %fieldtitles; } =pod +=back + +=head1 HTTP Helpers + +=over 4 + =item * get_unprocessed_cgi($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,$value) }; } } } @@ -2304,12 +6732,12 @@ returns cache-controlling header code =cut sub cacheheader { - unless ($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 $output; } =pod @@ -2321,27 +6749,38 @@ specifies header code to not have cache =cut sub no_cache { - my ($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) = @_; - unless ($charset) { - $charset=&Apache::lonlocal::current_encoding; - } - $r->content_type($type.($charset?'; charset='.$charset:'')); + 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) { + $charset=&Apache::lonlocal::current_encoding; + } + if ($charset) { $type.='; charset='.$charset; } + if ($r) { + $r->content_type($type); + } else { + print("Content-type: $type\n\n"); + } } =pod =item * add_to_env($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. @@ -2349,18 +6788,18 @@ 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}=$value; } } @@ -2368,7 +6807,7 @@ sub add_to_env { =item * get_env_multiple($name) -gets $name from the %ENV hash, it seemlessly handles the cases where multiple +gets $name from the %env hash, it seemlessly handles the cases where multiple values may be defined and end up as an array ref. returns an array of values @@ -2378,12 +6817,12 @@ returns an array of values sub get_env_multiple { my ($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{$name}; } } return(@values); @@ -2392,7 +6831,7 @@ sub get_env_multiple { =pod -=back +=back =head1 CSV Upload/Handling functions @@ -2401,24 +6840,27 @@ sub get_env_multiple { =item * upfile_store($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 $fh=Apache::File->new('>'.$r->dir_config('lonDaemons'). - '/tmp/'.$datatoken.'.tmp'); - print $fh $ENV{'form.upfile'}; + my $datafile = $r->dir_config('lonDaemons'). + '/tmp/'.$datatoken.'.tmp'; + if ( open(my $fh,">$datafile") ) { + print $fh $env{'form.upfile'}; + close($fh); + } } return $datatoken; } @@ -2428,8 +6870,8 @@ sub upfile_store { =item * load_tmp_file($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 @@ -2437,13 +6879,14 @@ sub load_tmp_file { my $r=shift; my @studentdata=(); { - my $fh; - if ($fh=Apache::File->new($r->dir_config('lonDaemons'). - '/tmp/'.$ENV{'form.datatoken'}.'.tmp')) { - @studentdata=<$fh>; - } + my $studentfile = $r->dir_config('lonDaemons'). + '/tmp/'.$env{'form.datatoken'}.'.tmp'; + if ( open(my $fh,"<$studentfile") ) { + @studentdata=<$fh>; + close($fh); + } } - $ENV{'form.upfile'}=join('',@studentdata); + $env{'form.upfile'}=join('',@studentdata); } =pod @@ -2452,14 +6895,19 @@ 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,$line); + } + return @records; } } @@ -2467,50 +6915,80 @@ sub upfile_record_sep { =item * record_sep($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; + $field=''; + } + next; + } +# single or double quotation marks after a separator indicate beginning of a quote +# we are now looking for the end of the quote and need to ignore separators + if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) { + $looking_for=$character; + next; } - $components{$i}=$field; - $i++; +# ignore would be true after we reached the end of a quote + if ($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; } @@ -2532,6 +7010,7 @@ 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'), @@ -2545,6 +7024,22 @@ 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; +} + ###################################################### ###################################################### @@ -2562,25 +7057,23 @@ 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($$records[2]);} - # - $r->print(&mt('Samples').'
'); - foreach (sort({$a <=> $b} keys(%sone))) { - $r->print(''); } - $r->print(''); - foreach my $hash (\%sone,\%stwo,\%sthree) { - $r->print(''); - foreach (sort({$a <=> $b} keys(%sone))) { + my $samples = &get_samples($records,3); + + $r->print(&mt('Samples').'
'.&start_data_table(). + &start_data_table_header_row()); + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { + $r->print(''); } + $r->print(&end_data_table_header_row()); + foreach my $hash (@$samples) { + $r->print(&start_data_table_row()); + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { $r->print(''); } - $r->print(''); + $r->print(&end_data_table_row()); } - $r->print('
'.&mt('Column [_1]',($_+1)).'
'.&mt('Column [_1]',($sample+1)).''); - if (defined($$hash{$_})) { $r->print($$hash{$_}); } + if (defined($$hash{$sample})) { $r->print($$hash{$sample}); } $r->print('

'."\n"); + $r->print(&end_data_table().'
'."\n"); } ###################################################### @@ -2594,7 +7087,7 @@ Prints a table to create associations be $r is an Apache Request ref, $records is an arrayref from &Apache::loncommon::upfile_record_sep, -$d is an array of 2 element arrays (internal name, displayed name) +$d is an array of 2 element arrays (internal name, displayed name,defaultcol) =cut @@ -2602,25 +7095,29 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_print_select_table { my ($r,$records,$d) = @_; - my $i=0;my %sone; - %sone=&record_sep($$records[0]); + my $i=0; + my $samples = &get_samples($records,1); $r->print(&mt('Associate columns with student attributes.')."\n". - ''. + &start_data_table().&start_data_table_header_row(). ''. - ''."\n"); - foreach (@$d) { - my ($value,$display)=@{ $_ }; - $r->print(''); + ''. + &end_data_table_header_row()."\n"); + foreach my $array_ref (@$d) { + my ($value,$display,$defaultcol)=@{ $array_ref }; + $r->print(&start_data_table_row().''); $r->print(''."\n"); + $r->print(''.&end_data_table_row()."\n"); $i++; } + $r->print(&end_data_table()); $i--; return $i; } @@ -2644,29 +7141,33 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_samples_select_table { my ($r,$records,$d) = @_; - my %sone; my %stwo; my %sthree; my $i=0; # - $r->print('
'.&mt('Attribute').''.&mt('Column').'
'.$display.''.&mt('Column').'
'.$display.'
'); - %sone=&record_sep($$records[0]); - if (defined($$records[1])) {%stwo=&record_sep($$records[1]);} - if (defined($$records[2])) {%sthree=&record_sep($$records[2]);} - # - foreach (sort keys %sone) { - $r->print(''. + &end_data_table_header_row()); + + foreach my $key (sort(keys(%{ $samples->[0] }))) { + $r->print(&start_data_table_row().''); + foreach my $line (0..2) { + if (defined($samples->[$line]{$key})) { + $r->print($samples->[$line]{$key}."
\n"); + } + } + $r->print(''.&end_data_table_row()); $i++; } + $r->print(&end_data_table()); $i--; return($i); } @@ -2730,8 +7231,12 @@ sub check_if_partid_hidden { =pod +=back + =head1 cgi-bin script and graphing routines +=over 4 + =item get_cgi_id Inputs: none @@ -2747,8 +7252,8 @@ the routine &Apache::lonnet::transfer_pr ############################################################ my $uniq=0; sub get_cgi_id { - $uniq=($uniq++)%100000; - return (time.'_'.$uniq); + $uniq=($uniq+1)%100000; + return (time.'_'.$$.'_'.$uniq); } ############################################################ @@ -2779,9 +7284,14 @@ If $Max is < any data point, the graph w =item $colors: array ref holding the colors to be used for the data sets when they are plotted. If undefined, default values will be used. +=item $labels: array ref holding the labels to use on the x-axis for the bars. + =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: @@ -2794,7 +7304,7 @@ information for the plot. ############################################################ ############################################################ sub DrawBarGraph { - my ($Title,$xlabel,$ylabel,$Max,$colors,@Values)=@_; + my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_; # if (! defined($colors)) { $colors = ['#33ff00', @@ -2802,13 +7312,28 @@ 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) { @@ -2818,7 +7343,15 @@ 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; @@ -2836,11 +7369,6 @@ sub DrawBarGraph { $bar_width = 4; } # - my @Labels; - for (my $i=0;$i<@{$Values[0]};$i++) { - push (@Labels,$i+1); - } - # $Max = 1 if ($Max < 1); if ( int($Max) < $Max ) { $Max++; @@ -2849,9 +7377,9 @@ 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; @@ -2863,6 +7391,11 @@ 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 ''; } @@ -2897,7 +7430,7 @@ plotted in. If undefined, default value =item $Xlabels: Array ref containing the labels to be used for the X-axis. =item $Ydata: Array ref containing Array refs. -Each of the contained arrays will be plotted as a seperate curve. +Each of the contained arrays will be plotted as a separate curve. =item %Values: hash indicating or overriding any default values which are passed to graph.png. @@ -2926,9 +7459,9 @@ 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', @@ -3023,9 +7556,9 @@ 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, @@ -3064,10 +7597,14 @@ sub DrawXYYGraph { =pod +=back + =head1 Statistics helper routines? Bad place for them but what the hell. +=over 4 + =item &chartlink Returns a link to the chart for a specific student. @@ -3084,6 +7621,8 @@ Inputs: =back +=back + =cut ############################################################ @@ -3091,14 +7630,977 @@ Inputs: sub chartlink { my ($linktext, $sname, $sdomain) = @_; my $link = ''.$linktext.''; } +####################################################### +####################################################### + +=pod + +=head1 Course Environment Routines + +=over 4 + +=item &restore_course_settings + +=item &store_course_settings + +Restores/Store indicated form parameters from the course environment. +Will not overwrite existing values of the form parameters. + +Inputs: +a scalar describing the data (e.g. 'chart', 'problem_analysis') + +a hash ref describing the data to be stored. For example: + +%Save_Parameters = ('Status' => 'scalar', + 'chartoutputmode' => 'scalar', + 'chartoutputdata' => 'scalar', + 'Section' => 'array', + 'Group' => 'array', + 'StudentData' => 'array', + 'Maps' => 'array'); + +Returns: both routines return nothing + +=back + +=cut + +####################################################### +####################################################### +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 $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 = 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}; + } elsif ($type eq 'array') { + my $stored_form; + if (ref($env{'form.'.$setting})) { + $stored_form = join(',', + map { + &escape($_); + } sort(@{$env{'form.'.$setting}})); + } else { + $stored_form = + &escape($env{'form.'.$setting}); + } + # Determine if the array contents are the same. + if ($stored_form ne $env{$envname}) { + $SaveHash{$basename} = $stored_form; + $AppHash{$envname} = $stored_form; + } + } + } + } + my $put_result = &Apache::lonnet::put('environment',\%SaveHash, + $udom,$uname); + if ($put_result !~ /^(ok|delayed)/) { + &Apache::lonnet::logthis('unable to save form parameters, '. + 'got error:'.$put_result); + } + # Make sure these settings stick around in this session, too + &Apache::lonnet::appenv(%AppHash); + return; +} + +sub restore_course_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 = 'environment.internal.'.$context.'.'.$prefix. + '.'.$setting; + if (exists($env{$envname})) { + if ($type eq 'scalar') { + $env{'form.'.$setting} = $env{$envname}; + } elsif ($type eq 'array') { + $env{'form.'.$setting} = [ + map { + &unescape($_); + } split(',',$env{$envname}) + ]; + } + } + } +} + +####################################################### +####################################################### + +=pod + +=head1 Domain E-mail Routines + +=over 4 + +=item &build_recipient_list + +Build recipient lists for three types of e-mail: +(a) Error Reports, (b) Package Updates, (c) Help requests, generated by +lonerrorhandler.pm, CHECKRPMS and lonsupportreq.pm respectively. + +Inputs: +defmail (scalar - email address of default recipient), +mailing type (scalar - errormail, packagesmail, or helpdeskmail), +defdom (domain for which to retrieve configuration settings), +origmail (scalar - email address of recipient from loncapa.conf, +i.e., predates configuration by DC via domainprefs.pm + +Returns: comma separated list of addresses to which to send e-mail. + +=cut + +############################################################ +############################################################ +sub build_recipient_list { + my ($defmail,$mailing,$defdom,$origmail) = @_; + my @recipients; + my $otheremails; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['contacts'],$defdom); + if (ref($domconfig{'contacts'}) eq 'HASH') { + if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') { + my @contacts = ('adminemail','supportemail'); + foreach my $item (@contacts) { + if ($domconfig{'contacts'}{$mailing}{$item}) { + my $addr = $domconfig{'contacts'}{$item}; + if (!grep(/^\Q$addr\E$/,@recipients)) { + push(@recipients,$addr); + } + } + $otheremails = $domconfig{'contacts'}{$mailing}{'others'}; + } + } + } elsif ($origmail ne '') { + push(@recipients,$origmail); + } + if ($defmail ne '') { + push(@recipients,$defmail); + } + if ($otheremails) { + my @others; + if ($otheremails =~ /,/) { + @others = split(/,/,$otheremails); + } else { + push(@others,$otheremails); + } + foreach my $addr (@others) { + if (!grep(/^\Q$addr\E$/,@recipients)) { + push(@recipients,$addr); + } + } + } + my $recipientlist = join(',',@recipients); + return $recipientlist; +} + +############################################################ +############################################################ + +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') || ($result eq 'refused')) { + $output = $logmsg.' '.&mt('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,$oldsecurl,$newsecurl); + 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; + if ($oldsec ne '-1') { + if ($oldsec ne $sec) { + $secchange = 1; + my $now = time; + my $uurl='/'.$cid; + $uurl=~s/\_/\//g; + if ($oldsec) { + $uurl.='/'.$oldsec; + } + $oldsecurl = $uurl; + $expire_role_result = + &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now); + if ($env{'request.course.sec'} ne '') { + if ($expire_role_result eq 'refused') { + my @roles = ('st'); + my @statuses = ('previous'); + my @roledoms = ($one); + my $withsec = 1; + my %roleshash = + &Apache::lonnet::get_my_roles($uname,$udom,'userroles', + \@statuses,\@roles,\@roledoms,$withsec); + if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) { + my ($oldstart,$oldend) = + split(':',$roleshash{$two.':'.$one.':st:'.$oldsec}); + if ($oldend > 0 && $oldend <= $now) { + $expire_role_result = 'ok'; + } + } + } + } + $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) { + if ($sec eq '') { + $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed; + } else { + $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed; + } + } elsif ($oldsec eq '-1') { + if ($sec eq '') { + $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed; + } else { + $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed; + } + } else { + if ($sec eq '') { + $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed; + } else { + $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed; + } + } + } else { + if ($secchange) { + $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed; + } else { + $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed; + } + } + $result = $modify_section_result; + } elsif ($secchange == 1) { + if ($oldsec eq '') { + $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed; + } else { + $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed; + } + if ($expire_role_result eq 'refused') { + my $newsecurl = '/'.$cid; + $newsecurl =~ s/\_/\//g; + if ($sec ne '') { + $newsecurl.='/'.$sec; + } + if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) { + if ($sec eq '') { + $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed; + } else { + $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed; + } + } + } + } + } else { + $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed; + $result = "error: incomplete course id\n"; + } + return $result; +} + +############################################################ +############################################################ + +sub check_clone { + my ($args,$linefeed) = @_; + 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') { + $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'}); + } else { + my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1}); + if ($env{'request.role.domain'} eq $args->{'clonedomain'}) { + $can_clone = 1; + } else { + my %clonehash = &Apache::lonnet::get('environment',['cloners'], + $args->{'clonedomain'},$args->{'clonecourse'}); + my @cloners = split(/,/,$clonehash{'cloners'}); + if (grep(/^\*$/,@cloners)) { + $can_clone = 1; + } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) { + $can_clone = 1; + } else { + my %roleshash = + &Apache::lonnet::get_my_roles($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 { + $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the 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,$linefeed); + if ($context ne 'auto') { + if ($clonemsg ne '') { + $clonemsg = ''.$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 $curfext = lc((split(/\./,$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')) { + if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'. + $Apache::lonnet::perlvar{'lonIconsURL'}.'/'. + $curfext.".gif") { + $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'. + $curfext.".gif"; + } + } + return &lonhttpdurl($iconname); +} + +sub lonhttpd_port { + my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'}; + if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; } + # IE doesn't like a secure page getting images from a non-secure + # port (when logging we haven't parsed the browser type so default + # back to secure + if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer') + && $ENV{'SERVER_PORT'} == 443) { + return 443; + } + return $lonhttpd_port; + +} + +sub lonhttpdurl { + my ($url)=@_; + + my $lonhttpd_port = &lonhttpd_port(); + if ($lonhttpd_port == 443) { + return 'https://'.$ENV{'SERVER_NAME'}.$url; + } + 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} = $value; + } +} + + =pod =back
'. - &mt('Field').''.&mt('Samples').'
'. + &mt('Field').''.&mt('Samples').''); - if (defined($sone{$_})) { $r->print($sone{$_}."
\n"); } - if (defined($stwo{$_})) { $r->print($stwo{$_}."
\n"); } - if (defined($sthree{$_})) { $r->print($sthree{$_}."
\n"); } - $r->print('