--- loncom/interface/loncommon.pm 2005/11/15 15:52:51 1.290 +++ loncom/interface/loncommon.pm 2006/05/09 14:38:09 1.365 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.290 2005/11/15 15:52:51 albertel Exp $ +# $Id: loncommon.pm,v 1.365 2006/05/09 14:38:09 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -58,10 +58,12 @@ use strict; use Apache::lonnet; use GDBM_File; use POSIX qw(strftime mktime); -use Apache::Constants qw(:common :http :methods); use Apache::lonmenu(); use Apache::lonlocal; use HTML::Entities; +use Apache::lonhtmlcommon(); +use Apache::loncoursedata(); +use Apache::lontexconvert(); my $readit; @@ -74,7 +76,7 @@ my %language; my %supported_language; my %cprtag; my %scprtag; -my %fe; my %fd; +my %fe; my %fd; my %fm; my %category_extensions; # ---------------------------------------------- Designs @@ -105,10 +107,10 @@ BEGIN { my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/language.tab'; if ( open(my $fh,"<$langtabfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_)); + while (my $line = <$fh>) { + next if ($line=~/^\#/); + chomp($line); + my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line)); $language{$key}=$val.' - '.$enc; if ($sup) { $supported_language{$key}=$sup; @@ -122,24 +124,24 @@ BEGIN { my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/copyright.tab'; if ( open (my $fh,"<$copyrightfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\s+/,$_,2)); + while (my $line = <$fh>) { + next if ($line=~/^\#/); + chomp($line); + my ($key,$val)=(split(/\s+/,$line,2)); $cprtag{$key}=$val; } close($fh); } } -# ------------------------------------------------------------------ source copyrights +# ----------------------------------------------------------- source copyrights { my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/source_copyright.tab'; if ( open (my $fh,"<$sourcecopyrightfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\s+/,$_,2)); + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($key,$val)=(split(/\s+/,$line,2)); $scprtag{$key}=$val; } close($fh); @@ -157,10 +159,10 @@ BEGIN { { my $designfile = $designdir.'/'.$filename; if ( open (my $fh,"<$designfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($key,$val)=(split(/\=/,$_)); + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($key,$val)=(split(/\=/,$line)); if ($val) { $designhash{$domain.'.'.$key}=$val; } } close($fh); @@ -176,10 +178,10 @@ BEGIN { my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filecategories.tab'; if ( open (my $fh,"<$categoryfile") ) { - while (<$fh>) { - next if /^\#/; - chomp; - my ($extension,$category)=(split(/\s+/,$_,2)); + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($extension,$category)=(split(/\s+/,$line,2)); push @{$category_extensions{lc($category)}},$extension; } close($fh); @@ -191,13 +193,14 @@ BEGIN { my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filetypes.tab'; if ( open (my $fh,"<$typesfile") ) { - while (<$fh>) { - next if (/^\#/); - chomp; - my ($ending,$emb,$descr)=split(/\s+/,$_,3); + while (my $line = <$fh>) { + next if ($line =~ /^\#/); + chomp($line); + my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4); if ($descr ne '') { $fe{$ending}=lc($emb); $fd{$ending}=$descr; + if ($mime ne 'unk') { $fm{$ending}=$mime; } } } close($fh); @@ -331,7 +334,10 @@ sub storeresurl { sub studentbrowser_javascript { unless ( (($env{'request.course.id'}) && - (&Apache::lonnet::allowed('srm',$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'); @@ -362,7 +368,9 @@ ENDSTDBRW sub selectstudent_link { my ($form,$unameele,$udomele)=@_; if ($env{'request.course.id'}) { - unless (&Apache::lonnet::allowed('srm',$env{'request.course.id'})) { + if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'}) + && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}. + '/'.$env{'request.course.sec'})) { return ''; } return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele. @@ -380,7 +388,7 @@ sub coursebrowser_javascript { return (<<ENDSTDBRW); <script type="text/javascript" language="Javascript" > var stdeditbrowser; - function opencrsbrowser(formname,uname,udom,desc,extra_element) { + function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag) { var url = '/adm/pickcourse?'; var filter; if (filter != null) { @@ -403,6 +411,9 @@ sub coursebrowser_javascript { url += '&domainfilter='+extra_element; } } + if (multflag !=null && multflag != '') { + url += '&multiple='+multflag; + } var title = 'Course_Browser'; var options = 'scrollbars=1,resizable=1,menubar=0'; options += ',width=700,height=600'; @@ -414,9 +425,9 @@ ENDSTDBRW } sub selectcourse_link { - my ($form,$unameele,$udomele,$desc,$extra_element)=@_; + my ($form,$unameele,$udomele,$desc,$extra_element,$multflag)=@_; return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele. - '","'.$udomele.'","'.$desc.'","'.$extra_element.'");'."'>".&mt('Select Course')."</a>"; + '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'");'."'>".&mt('Select Course')."</a>"; } sub check_uncheck_jscript { @@ -696,8 +707,9 @@ sub help_open_menu { my $origurl = $ENV{'REQUEST_URI'}; $origurl=~s|^/~|/priv/|; my $timestamp = time; - foreach (\$color,\$function,\$topic,\$component_help,\$faq,\$bug,\$origurl) { - $$_ = &Apache::lonnet::escape($$_); + foreach my $datum (\$color,\$function,\$topic,\$component_help,\$faq, + \$bug,\$origurl) { + $$datum = &Apache::lonnet::escape($$datum); } if (!$stayOnPage) { $link = "javascript:helpMenu('open')"; @@ -713,8 +725,18 @@ sub help_open_menu { "<td bgcolor='#CC6600'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>"; } my $nothing=&Apache::lonhtmlcommon::javascript_nothing(); - my $html=&Apache::lonxml::xmlbegin(); my $helpicon=&lonhttpdurl("/adm/lonIcons/helpgateway.gif"); + my $start_page = + &Apache::loncommon::start_page('Help Menu', undef, + {'frameset' => 1, + 'js_ready' => 1, + 'add_entries' => { + 'border' => '0', + 'rows' => "105,*",},}); + my $end_page = + &Apache::loncommon::end_page({'frameset' => 1, + 'js_ready' => 1,}); + $template .= <<"ENDTEMPLATE"; <script type="text/javascript"> // <!-- BEGIN LON-CAPA Internal @@ -738,9 +760,7 @@ function helpMenu(target) { return; } function writeHelp(caller) { - caller.document.writeln('$html<head><title>LON-CAPA Help Menu</title><meta http-equiv="pragma" content="no-cache"></head>') - caller.document.writeln("<frameset rows='105,*' border='0'><frame name='bannerframe' src='$banner_link'><frame name='bodyframe' src='$details_link'></frameset>") - caller.document.writeln("</html>") + caller.document.writeln('$start_page<frame name="bannerframe" src="$banner_link" /><frame name="bodyframe" src="$details_link" /> $end_page') caller.document.close() caller.focus() } @@ -1134,8 +1154,8 @@ sub get_domains { # The code below was stolen from "The Perl Cookbook", p 102, 1st ed. my @domains; my %seen; - foreach (sort values(%Apache::lonnet::hostdom)) { - push (@domains,$_) unless $seen{$_}++; + foreach my $dom (sort(values(%Apache::lonnet::hostdom))) { + push(@domains,$dom) unless $seen{$dom}++; } return @domains; } @@ -1189,7 +1209,7 @@ sub multiple_select_form { my @order = ref($order) ? @$order : sort(keys(%$hash)); foreach my $key (@order) { - $output.='<option value="'.$key.'" '; + $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" '; $output.='selected="selected" ' if ($selected{$key}); $output.='>'.$hash->{$key}."</option>\n"; } @@ -1219,10 +1239,11 @@ sub select_form { } else { @keys=sort(keys(%hash)); } - foreach (@keys) { - $selectform.="<option value=\"$_\" ". - ($_ eq $def ? 'selected="selected" ' : ''). - ">".&mt($hash{$_})."</option>\n"; + foreach my $key (@keys) { + $selectform.= + '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '. + ($key eq $def ? 'selected="selected" ' : ''). + ">".&mt($hash{$key})."</option>\n"; } $selectform.="</select>"; return $selectform; @@ -1286,10 +1307,10 @@ sub select_dom_form { my @domains = get_domains(); if ($includeempty) { @domains=('',@domains); } my $selectdomain = "<select name=\"$name\" size=\"1\">\n"; - foreach (@domains) { - $selectdomain.="<option value=\"$_\" ". - ($_ eq $defdom ? 'selected="selected" ' : ''). - ">$_</option>\n"; + foreach my $dom (@domains) { + $selectdomain.="<option value=\"$dom\" ". + ($dom eq $defdom ? 'selected="selected" ' : ''). + ">$dom</option>\n"; } $selectdomain.="</select>"; return $selectdomain; @@ -1311,9 +1332,9 @@ given $domain. sub get_library_servers { my $domain = shift; my %library_servers; - foreach (keys(%Apache::lonnet::libserv)) { - if ($Apache::lonnet::hostdom{$_} eq $domain) { - $library_servers{$_} = $Apache::lonnet::hostname{$_}; + foreach my $hostid (keys(%Apache::lonnet::libserv)) { + if ($Apache::lonnet::hostdom{$hostid} eq $domain) { + $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid}; } } return %library_servers; @@ -1335,9 +1356,10 @@ sub home_server_option_list { my $domain = shift; my %servers = &get_library_servers($domain); my $result = ''; - foreach (sort keys(%servers)) { + foreach my $hostid (sort(keys(%servers))) { $result.= - '<option value="'.$_.'">'.$_.' '.$servers{$_}."</option>\n"; + '<option value="'.$hostid.'">'. + $hostid.' '.$servers{$hostid}."</option>\n"; } return $result; } @@ -1827,8 +1849,8 @@ sub initialize_keywords { } untie %thesaurus_db; # Remove special values from %Keywords. - foreach ('total.count','average.count') { - delete($Keywords{$_}) if (exists($Keywords{$_})); + foreach my $value ('total.count','average.count') { + delete($Keywords{$value}) if (exists($Keywords{$value})); } return 1; } @@ -1884,11 +1906,11 @@ sub get_related_words { } my @Words=(); if (exists($thesaurus_db{$keyword})) { - $_ = $thesaurus_db{$keyword}; - (undef,@Words) = split/:/; # The first element is the number of times - # the word appears. We do not need it now. + # The first element is the number of times + # the word appears. We do not need it now. + (undef,@Words) = (split(/:/,$thesaurus_db{$keyword})); for (my $i=0;$i<=$#Words;$i++) { - ($Words[$i],undef)= split/\,/,$Words[$i]; + ($Words[$i],undef)= split(/\,/,$Words[$i]); } } untie %thesaurus_db; @@ -1917,12 +1939,11 @@ if $first is set to 'lastname' then it r =cut + ############################################################### sub plainname { my ($uname,$udom,$first)=@_; - my %names=&Apache::lonnet::get('environment', - ['firstname','middlename','lastname','generation'], - $udom,$uname); + my %names=&getnames($uname,$udom); my $name=&Apache::lonnet::format_name($names{'firstname'}, $names{'middlename'}, $names{'lastname'}, @@ -1930,7 +1951,7 @@ sub plainname { $name=~s/^\s+//; $name=~s/\s+$//; $name=~s/\s+/ /g; - if ($name !~ /\S/) { $name=$uname.'@'.$udom; } + if ($name !~ /\S/) { $name=$uname.':'.$udom; } return $name; } @@ -1953,19 +1974,7 @@ if the user does not sub nickname { my ($uname,$udom)=@_; - my %names; - if ($uname eq $env{'user.name'} && - $udom eq $env{'user.domain'}) { - %names=('nickname' => $env{'environment.nickname'} , - 'firstname' => $env{'environment.firstname'} , - 'middlename' => $env{'environment.middlename'}, - 'lastname' => $env{'environment.lastname'} , - 'generation' => $env{'environment.generation'}); - } else { - %names=&Apache::lonnet::get('environment', - ['nickname','firstname','middlename', - 'lastname','generation'],$udom,$uname); - } + my %names=&getnames($uname,$udom); my $name=$names{'nickname'}; if ($name) { $name='"'.$name.'"'; @@ -1978,6 +1987,20 @@ sub nickname { return $name; } +sub getnames { + my ($uname,$udom)=@_; + my $id=$uname.':'.$udom; + my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id); + if ($cached) { + return %{$names}; + } else { + my %loadnames=&Apache::lonnet::get('environment', + ['firstname','middlename','lastname','generation','nickname'], + $udom,$uname); + &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames); + return %loadnames; + } +} # ------------------------------------------------------------------ Screenname @@ -2164,7 +2187,8 @@ category =cut sub filecategorytypes { - return @{$category_extensions{lc($_[0])}}; + my ($cat) = @_; + return @{$category_extensions{lc($cat)}}; } =pod @@ -2179,6 +2203,10 @@ sub fileembstyle { return $fe{lc(shift(@_))}; } +sub filemimetype { + return $fm{lc(shift(@_))}; +} + sub filecategoryselect { my ($name,$value)=@_; @@ -2235,13 +2263,13 @@ sub fileextensions { sub display_languages { my %languages=(); - foreach (&preferred_languages()) { - $languages{$_}=1; + foreach my $lang (&preferred_languages()) { + $languages{$lang}=1; } &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']); if ($env{'form.displaylanguage'}) { - foreach (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) { - $languages{$_}=1; + foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) { + $languages{$lang}=1; } } return %languages; @@ -2276,11 +2304,11 @@ sub preferred_languages { } # turn "en-ca" into "en-ca,en" my @genlanguages; - foreach (@languages) { - unless ($_=~/\w/) { next; } - push (@genlanguages,$_); - if ($_=~/(\-|\_)/) { - push (@genlanguages,(split(/(\-|\_)/,$_))[0]); + foreach my $lang (@languages) { + unless ($lang=~/\w/) { next; } + push (@genlanguages,$lang); + if ($lang=~/(\-|\_)/) { + push(@genlanguages,(split(/(\-|\_)/,$lang))[0]); } } return @genlanguages; @@ -2336,14 +2364,14 @@ sub get_previous_attempt { my %lasthash=(); my $version; for ($version=1;$version<=$returnhash{'version'};$version++) { - foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) { - $lasthash{$_}=$returnhash{$version.':'.$_}; + foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) { + $lasthash{$key}=$returnhash{$version.':'.$key}; } } $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">'; $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>'; - foreach (sort(keys %lasthash)) { - my ($ign,@parts) = split(/\./,$_); + foreach my $key (sort(keys(%lasthash))) { + my ($ign,@parts) = split(/\./,$key); if ($#parts > 0) { my $data=$parts[-1]; pop(@parts); @@ -2359,27 +2387,27 @@ sub get_previous_attempt { if ($getattempt eq '') { for ($version=1;$version<=$returnhash{'version'};$version++) { $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>'; - foreach (sort(keys %lasthash)) { + foreach my $key (sort(keys(%lasthash))) { my $value; - if ($_ =~ /timestamp/) { - $value=scalar(localtime($returnhash{$version.':'.$_})); + if ($key =~ /timestamp/) { + $value=scalar(localtime($returnhash{$version.':'.$key})); } else { - $value=$returnhash{$version.':'.$_}; + $value=$returnhash{$version.':'.$key}; } $prevattempts.='<td>'.&Apache::lonnet::unescape($value).' </td>'; } } } $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>'; - foreach (sort(keys %lasthash)) { + foreach my $key (sort(keys(%lasthash))) { my $value; - if ($_ =~ /timestamp/) { - $value=scalar(localtime($lasthash{$_})); + if ($key =~ /timestamp/) { + $value=scalar(localtime($lasthash{$key})); } else { - $value=$lasthash{$_}; + $value=$lasthash{$key}; } $value=&Apache::lonnet::unescape($value); - if ($_ =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} + if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} $prevattempts.='<td>'.$value.' </td>'; } $prevattempts.='</tr></table></td></tr></table>'; @@ -2411,14 +2439,14 @@ sub relative_to_absolute { } } $thisdir=~s-/[^/]*$--; - foreach (@rlinks) { - unless (($_=~/^http:\/\//i) || - ($_=~/^\//) || - ($_=~/^javascript:/i) || - ($_=~/^mailto:/i) || - ($_=~/^\#/)) { - my $newlocation=&Apache::lonnet::hreflocation($thisdir,$_); - $output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/; + foreach my $link (@rlinks) { + unless (($link=~/^http:\/\//i) || + ($link=~/^\//) || + ($link=~/^javascript:/i) || + ($link=~/^mailto:/i) || + ($link=~/^\#/)) { + my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link); + $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/; } } # -------------------------------------------------- Deal with Applet codebases @@ -2586,11 +2614,17 @@ sub maketime { ######################################### sub findallcourses { - my %courses=(); + my ($roles) = @_; + my %roles; + if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; } + my %courses; my $now=time; - foreach (keys %env) { - if ($_=~/^user\.role\.\w+\.\/(\w+)\/(\w+)/) { - my ($starttime,$endtime)=$env{$_}; + foreach my $key (keys(%env)) { + if ( $key=~m{^user\.role\.(\w+)\./(\w+)/(\w+)} ) { + my ($role,$domain,$id) = ($1,$2,$3); + next if ($role eq 'ca' || $role eq 'aa'); + next if (%roles && !exists($roles{$role})); + my ($starttime,$endtime)=split(/\./,$env{$key}); my $active=1; if ($starttime) { if ($now<$starttime) { $active=0; } @@ -2598,10 +2632,10 @@ sub findallcourses { if ($endtime) { if ($now>$endtime) { $active=0; } } - if ($active) { $courses{$1.'_'.$2}=1; } + if ($active) { $courses{$domain.'_'.$id}=1; } } } - return keys %courses; + return keys(%courses); } ############################################### @@ -2728,6 +2762,21 @@ Inputs: =item * $forcereg, if page should register as content page (relevant for text interface only) +=item * $customtitle, alternate text to use instead of $title + in the title box that appears, this text + is not auto translated like the $title is + +=item * $notopbar, if true, keep the 'what is this' info but remove the + navigational links + +=item * $bgcolor, used to override the bgcolor on a webpage to a specific value + +=item * $notitle, if true keep the nav controls, but remove the title bar + +=item * $no_inline_link, if true and in remote mode, don't show the + 'Switch To Inline Menu' link + + =back Returns: A uniform header for LON-CAPA web pages. @@ -2738,129 +2787,142 @@ other decorations will be returned. =cut sub bodytag { - my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,$notopbar)=@_; + my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle, + $notopbar,$bgcolor,$notitle,$no_inline_link)=@_; + $title=&mt($title); + $function = &get_users_function() if (!$function); - my $img=&designparm($function.'.img',$domain); - my $pgbg=&designparm($function.'.pgbg',$domain); - my $tabbg=&designparm($function.'.tabbg',$domain); - my $font=&designparm($function.'.font',$domain); - my $link=&designparm($function.'.link',$domain); - my $alink=&designparm($function.'.alink',$domain); - my $vlink=&designparm($function.'.vlink',$domain); - my $sidebg=&designparm($function.'.sidebg',$domain); -# Accessibility font enhance - unless ($addentries) { $addentries=''; } - my $addstyle=''; - if ($env{'browser.fontenhance'} eq 'on') { - $addstyle=' font-size: x-large;'; - } + my $img = &designparm($function.'.img',$domain); + my $font = &designparm($function.'.font',$domain); + my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain); + + my %design = ( 'style' => 'margin-top: 0px', + 'bgcolor' => $pgbg, + 'text' => $font, + 'alink' => &designparm($function.'.alink',$domain), + 'vlink' => &designparm($function.'.vlink',$domain), + 'link' => &designparm($function.'.link',$domain),); + @$addentries{keys(%design)} = @design{keys(%design)}; + # role and realm - my ($role,$realm) - =&Apache::lonnet::plaintext((split(/\./,$env{'request.role'}))[0]); + my ($role,$realm) = + &Apache::lonnet::plaintext((split(/\./,$env{'request.role'}))[0]); # realm if ($env{'request.course.id'}) { - $realm= - $env{'course.'.$env{'request.course.id'}.'.description'}; + $realm = $env{'course.'.$env{'request.course.id'}.'.description'}; } - unless ($realm) { $realm=' '; } + if (!$realm) { $realm=' '; } # Set messages my $messages=&domainlogo($domain); # Port for miniserver my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'}; if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; } + + my $extra_body_attr = &make_attr_string($forcereg,$addentries); + # construct main body tag - my $bodytag = <<END; -<style type="text/css"> -h1, h2, h3, th { font-family: Arial, Helvetica, sans-serif } -a:focus { color: red; background: yellow } -table.thinborder { border-collapse: collapse; } -table.thinborder tr th, table.thinborder tr td { border-style: solid; border-width: 1px} -form, .inline { display: inline; } -.center { text-align: center; } -</style> -<body bgcolor="$pgbg" text="$font" alink="$alink" vlink="$vlink" link="$link" -style="margin-top: 0px;$addstyle" $addentries> -END - &Apache::lontexconvert::jsMath_reset(); - if ($env{'environment.texengine'} eq 'jsMath') { - $bodytag.=&Apache::lontexconvert::jsMath_header(); - } + my $bodytag = "<body $extra_body_attr>". + &Apache::lontexconvert::init_math_support(); - my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'. - $lonhttpdPort.$img.'" alt="'.$function.'" />'; - if ($bodyonly) { + if ($bodyonly + || ($env{'request.state'} eq 'construct' + && $env{'environment.remote'} ne 'off' )) { return $bodytag; } elsif ($env{'browser.interface'} eq 'textual') { # Accessibility - return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web', - $forcereg). - '<h1>LON-CAPA: '.$title.'</h1>'; - } elsif ($env{'environment.remote'} eq 'off') { -# No Remote - my $roleinfo=(<<ENDROLE); -<td bgcolor="$tabbg" align="right"> -<font size="2" face="Arial, Helvetica, sans-serif"> + $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg); + if (!$notitle) { + $bodytag.='<h1>LON-CAPA: '.$title.'</h1>'; + } + return $bodytag; + } + + + + my $roleinfo=(<<ENDROLE); +<td class="LC_title_bar_who"> +<div class="LC_title_bar_name"> $env{'environment.firstname'} $env{'environment.middlename'} $env{'environment.lastname'} $env{'environment.generation'} - </font> -<br /> -<font size="2" face="Arial, Helvetica, sans-serif">$role</font> -<br /> -<font size="2" face="Arial, Helvetica, sans-serif">$realm</font> + +</div> +<div class="LC_title_bar_role"> +$role +</div> +<div class="LC_title_bar_realm"> +$realm +</div> </td> ENDROLE - my $titleinfo = '<font face="Arial, Helvetica, sans-serif" size="+3" color="'. - $font.'"><b>'.$title.'</b></font>'; - if ($customtitle) { - $titleinfo = $customtitle; - } + my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>'; + if ($customtitle) { + $titleinfo = $customtitle; + } + # + # Extra info if you are the DC + my $dc_info = ''; + if ($env{'user.adv'} && exists($env{'user.role.dc./'. + $env{'course.'.$env{'request.course.id'}. + '.domain'}.'/'})) { + my $cid = $env{'request.course.id'}; + $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'}; + $dc_info = '('.$dc_info.')'; + } + + if ($env{'environment.remote'} eq 'off') { + # No Remote if ($env{'request.state'} eq 'construct') { + $forcereg=1; + } + + if (!$customtitle && $env{'request.state'} eq 'construct') { + # this is for resources; directories have customtitle, and crumbs + # and select recent are created in lonpubdir.pm my ($uname,$thisdisfn)= ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|); my $formaction='/priv/'.$uname.'/'.$thisdisfn; $formaction=~s/\/+/\//g; - unless ($customtitle) { #this is for resources; directories have customtitle, and crumbs and select recent are created in lonpubdir.pm - my $parentpath = ''; - my $lastitem = ''; - if ($thisdisfn =~ m-(.+/)([^/]*)$-) { - $parentpath = $1; - $lastitem = $2; - } else { - $lastitem = $thisdisfn; - } - $titleinfo = &Apache::loncommon::help_open_menu('','','','',3,'Authoring'). - '<font face="Arial, Helvetica, sans-serif"><b>Construction Space</b>:</font> '. - '<form name="dirs" method="post" action="'.$formaction - .'" target="_top"><tt><b>' - .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />" - .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()') - .'</form>' - .&Apache::lonmenu::constspaceform(); - } - $forcereg=1; - } - my $titletable = '<table bgcolor="'.$pgbg.'" width="100%" border="0" '. - 'cellspacing="3" cellpadding="3">'. - '<tr><td bgcolor="'.$tabbg.'">'. - $titleinfo.'</td>'.$roleinfo.'</tr></table>'; - if ($env{'request.state'} eq 'construct') { - if ($notopbar) { - $bodytag .= $titletable; - } else { - $bodytag .= &Apache::lonmenu::menubuttons($forcereg,'web',$forcereg,$titletable); - } + my $parentpath = ''; + my $lastitem = ''; + if ($thisdisfn =~ m-(.+/)([^/]*)$-) { + $parentpath = $1; + $lastitem = $2; + } else { + $lastitem = $thisdisfn; + } + $titleinfo = + &Apache::loncommon::help_open_menu('','','','',3,'Authoring'). + '<b>Construction Space</b>: '. + '<form name="dirs" method="post" action="'.$formaction + .'" target="_top"><tt><b>' + .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />" + .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()') + .'</form>' + .&Apache::lonmenu::constspaceform(); + } + + my $titletable; + if (!$notitle) { + $titletable = + '<table id="LC_title_bar">'. + "<tr><td> $titleinfo $dc_info</td>".$roleinfo. + '</tr></table>'; + } + if ($notopbar) { + $bodytag .= $titletable; } else { - if ($notopbar) { - $bodytag .= $titletable; + if ($env{'request.state'} eq 'construct') { + $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg, + $titletable); } else { - $bodytag .= &Apache::lonmenu::menubuttons($forcereg,'web',$forcereg). - $titletable; + $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg). + $titletable; } } return $bodytag; @@ -2869,49 +2931,85 @@ ENDROLE # # Top frame rendering, Remote is up # - my $titleinfo = ' <font size="5" face="Arial, Helvetica, sans-serif"><b>'.$title.'</b></font>'; - if ($customtitle) { - $titleinfo = $customtitle; - } + + my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'. + $lonhttpdPort.$img.'" alt="'.$function.'" />'; + + # Explicit link to get inline menu + my $menu= ($no_inline_link?'' + :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>'); # - # Extra info if you are the DC - my $dc_info = ''; - if ($env{'user.adv'} && exists($env{'user.role.dc./'. - $env{'course.'.$env{'request.course.id'}. - '.domain'}.'/'})) { - my $cid = $env{'request.course.id'}; - $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'}; - $dc_info = '('.$dc_info.')'; + if ($notitle) { + return $bodytag; } - # return(<<ENDBODY); $bodytag -<table class="thinborder" width="100%" cellspacing="0" border="0" cellpadding="0"> -<tr><td bgcolor="$sidebg"> -$upperleft</td> -<td bgcolor="$sidebg" align="right">$messages </td> +<table id="LC_title_bar" class="LC_with_remote"> +<tr><td>$upperleft</td> + <td class="LC_title_bar_domain_logo">$messages </td> </tr> -<tr> -<td rowspan="3" bgcolor="$tabbg"> -$titleinfo $dc_info -</td><td bgcolor="$tabbg" align="right"> -<font size="2" face="Arial, Helvetica, sans-serif"> - $env{'environment.firstname'} - $env{'environment.middlename'} - $env{'environment.lastname'} - $env{'environment.generation'} - </font> -</td> -</tr> -<tr><td bgcolor="$tabbg" align="right"> -<font size="2" face="Arial, Helvetica, sans-serif">$role</font> -</td></tr> -<tr> -<td bgcolor="$tabbg" align="right"><font size="2" face="Arial, Helvetica, sans-serif">$realm</font> </td></tr> -</table><br /> +<tr><td>$titleinfo $dc_info $menu</td> +$roleinfo +</table> 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; +} + + ############################################### ############################################### @@ -2919,7 +3017,7 @@ ENDBODY =back -=head1 HTTP Helpers +=head1 HTML Helpers =over 4 @@ -2927,26 +3025,635 @@ ENDBODY Returns a uniform footer for LON-CAPA web pages. -Inputs: - -=over 4 +Inputs: none =back -Returns: A uniform footer for LON-CAPA web pages. - =cut sub endbodytag { my $endbodytag='</body>'; $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag; + if ( exists( $env{'internal.head.redirect'} ) ) { + $endbodytag= + "<br /><a href=\"$env{'internal.head.redirect'}\">". + &mt('Continue').'</a>'. + $endbodytag; + } return $endbodytag; } +=pod + +=over 4 + +=item * &standard_css() + +Returns a style sheet + +Inputs: (all optional) + domain -> force to color decorate a page for a specific + domain + function -> force usage of a specific rolish color scheme + bgcolor -> override the default page bgcolor + +=back + +=cut + +sub standard_css { + my ($function,$domain,$bgcolor) = @_; + $function = &get_users_function() if (!$function); + my $img = &designparm($function.'.img', $domain); + my $tabbg = &designparm($function.'.tabbg', $domain); + my $font = &designparm($function.'.font', $domain); + my $sidebg = &designparm($function.'.sidebg',$domain); + my $pgbg = $bgcolor || + &designparm($function.'.pgbg', $domain); + my $alink = &designparm($function.'.alink', $domain); + my $vlink = &designparm($function.'.vlink', $domain); + my $link = &designparm($function.'.link', $domain); + + my $sans = 'Arial,Helvetica,sans-serif'; + my $data_table_head = $tabbg; + my $data_table_light = '#EEEEEE'; + my $data_table_dark = '#DDD'; + my $data_table_highlight = '#FFFF00'; + my $mail_new = '#FFBB77'; + my $mail_new_hover = '#DD9955'; + my $mail_read = '#BBBB77'; + my $mail_read_hover = '#999944'; + my $mail_replied = '#AAAA88'; + my $mail_replied_hover = '#888855'; + my $mail_other = '#99BBBB'; + my $mail_other_hover = '#669999'; + + return <<END; +h1, h2, h3, th { font-family: $sans } +a:focus { color: red; background: yellow } +table.thinborder { border-collapse: collapse; } +table.thinborder tr th, table.thinborder tr td { border-style: solid; border-width: 1px} +form, .inline { display: inline; } +.center { text-align: center; } +.filename {font-family: monospace;} +.LC_error { + color: red; + font-size: larger; +} +.LC_success { + color: green; +} + +table#LC_top_nav, table#LC_menubuttons, table#LC_nav_location, table#LC_breadcrumbs { + width: 100%; + background: $pgbg; + border: 0px; + border-spacing: 2px 1px; + padding: 0px; + margin: 0px; + border-collapse: separate; +} +table#LC_title_bar { + width: 100%; + border: 0; + border-spacing: 0px 1px; + background: $pgbg; + font-family: $sans; + border-collapse: collapse; +} +table#LC_title_bar.LC_with_remote { + width: 100%; + border: 0; + border-spacing: 0; + background: $pgbg; + font-family: $sans; + border-collapse: collapse; +} +table#LC_title_bar td { + padding: 3px; + background: $tabbg; +} +table#LC_title_bar td.LC_title_bar_who { + background: $tabbg; + color: $font; + font: medium $sans; + text-align: right; +} +span.LC_title_bar_title { + font: bold xx-large $sans; +} +table#LC_title_bar td.LC_title_bar_domain_logo { + background: $sidebg; + text-align: right; +} + +table#LC_menubuttons_mainmenu { + background: $pgbg; + border: 0px; + border-spacing: 1px; + padding: 0px; + margin: 0px; + border-collapse: separate; +} +table#LC_menubuttons img, table#LC_menubuttons_mainmenu img { + border: 0px; +} +table#LC_top_nav td { + background: $tabbg; +} +table#LC_top_nav td a, div#LC_top_nav a { + color: $font; + font-family: $sans; +} +table#LC_top_nav td.LC_top_nav_logo { + background: $tabbg; + text-align: right; +} +table#LC_breadcrumbs td { + background: $tabbg; + color: $font; + font-family: $sans; + font-size: smaller; +} +table#LC_breadcrumbs td.LC_breadcrumb_component { + background: $tabbg; + color: $font; + font-family: $sans; + font-size: larger; + text-align: right; +} +.LC_menubuttons_inline_text { + color: $font; + font-family: $sans; + font-size: smaller; +} + +td.LC_menubuttons_text { + color: $font; + font-family: $sans; +} +td.LC_menubuttons_img { + background: $tabbg; +} +.LC_current_location { + font-family: $sans; + background: $tabbg; +} +.LC_new_mail { + font-family: $sans; + font-weight: bold; +} + +table.LC_data_table, table.LC_mail_list { + border: 1px solid #000000; + border-collapse: seperate; +} +table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th { + font-weight: bold; + background-color: $data_table_head; +} +table.LC_data_table tr td { + background-color: $data_table_light; +} +table.LC_data_table tr.LC_even_row td { + background-color: $data_table_dark; +} +table.LC_data_table tr.LC_empty td { + background-color: #FFFFFF; +} + +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; +} +END +} + +=pod + +=over 4 + +=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 <head> + $args - optional arguments + force_register - if is true call registerurl so the remote is + informed + redirect -> array ref of seconds before redirect occurs + url to redirect to + (side effect of setting + $env{'internal.head.redirect'} to the url + redirected too) + domain -> force to color decorate a page for a specific + domain + function -> force usage of a specific rolish color scheme + bgcolor -> override the default page bgcolor + +=back + +=cut + +sub headtag { + my ($title,$head_extra,$args) = @_; + + my $function = $args->{'function'} || &get_users_function(); + my $domain = $args->{'domain'} || &determinedomain(); + my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain); + my $url = join(':',$env{'user.name'},$env{'user.domain'}, + $env{'environment.color.timestamp'}, + $function,$domain,$bgcolor); + + $url = '/adm/css/'.&Apache::lonnet::escape($url).'.css'; + + my $result = + '<head>'. + '<link rel="stylesheet" type="text/css" href="'.$url.'" />'. + &font_settings(). + &Apache::lonhtmlcommon::htmlareaheaders(); + + if ($args->{'force_register'}) { + $result .= &Apache::lonmenu::registerurl(1); + } + + if (ref($args->{'redirect'})) { + my ($time,$url) = @{$args->{'redirect'}}; + $url = &Apache::lonenc::check_encrypt($url); + $env{'internal.head.redirect'} = $url; + $result.=<<ADDMETA +<meta http-equiv="pragma" content="no-cache" /> +<meta http-equiv="Refresh" content="$time; url=$url" /> +ADDMETA + } + if (!defined($title)) { + $title = 'The LearningOnline Network with CAPA'; + } + + $result .= '<title> LON-CAPA '.&mt($title).'</title>'.$head_extra; + return $result; +} + +=pod + +=over 4 + +=item * &font_settings() + +Returns neccessary <meta> to set the proper encoding + +Inputs: none + +=back + +=cut + +sub font_settings { + my $headerstring=''; + if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) { + $headerstring.= + '<meta Content-Type="text/html; charset=x-mac-roman" />'; + } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) { + $headerstring.= + '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />'; + } + return $headerstring; +} + +=pod + +=over 4 + +=item * &xml_begin() + +Returns the needed doctype and <html> + +Inputs: none + +=back + +=cut + +sub xml_begin { + my $output=''; + + &Apache::lonhtmlcommon::init_htmlareafields(); + + if ($env{'browser.mathml'}) { + $output='<?xml version="1.0"?>' + #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n" +# .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' + +# .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">] >' + .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">' + .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' + .'xmlns="http://www.w3.org/1999/xhtml">'; + } else { + $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>'; + } + return $output; +} + +=pod + +=over 4 + +=item * &endheadtag() + +Returns a uniform </head> for LON-CAPA web pages. + +Inputs: none + +=back + +=cut + +sub endheadtag { + return '</head>'; +} + +=pod + +=over 4 + +=item * &head() + +Returns a uniform complete <head>..</head> section for LON-CAPA web pages. + +Inputs: $title - optional title for the page + $head_extra - optional extra HTML to put inside the <head> +=back + +=cut + +sub head { + my ($title,$head_extra,$args) = @_; + return &headtag($title,$head_extra,$args).&endheadtag(); +} + +=pod + +=over 4 + +=item * &start_page() + +Returns a complete <html> .. <body> section for LON-CAPA web pages. + +Inputs: $title - optional title for the page + $head_extra - optional extra HTML to incude inside the <head> + $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 <body> + 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 $title is + frameset -> if true will start with a <frameset> + rather than <body> + no_title -> if true the title bar won't be shown + skip_phases -> hash ref of + head -> skip the <html><head> generation + body -> skip all <body> generation + + no_inline_link -> if true and in remote mode, don't show the + 'Switch To Inline Menu' link + +=back + +=cut + +sub start_page { + my ($title,$head_extra,$args) = @_; + #&Apache::lonnet::logthis("start_page ".join(':',caller(0))); + my %head_args; + foreach my $arg ('redirect','force_register','domain','function', + 'bgcolor') { + if (defined($args->{$arg})) { + $head_args{$arg} = $args->{$arg}; + } + } + + $env{'internal.start_page'}++; + my $result; + if (! exists($args->{'skip_phases'}{'head'}) ) { + $result.= + &xml_begin(). + &headtag($title,$head_extra,\%head_args).&endheadtag(); + } + + if (! exists($args->{'skip_phases'}{'body'}) ) { + if ($args->{'frameset'}) { + my $attr_string = &make_attr_string($args->{'force_register'}, + $args->{'add_entries'}); + $result .= "\n<frameset $attr_string>\n"; + } else { + $result .= + &bodytag($title, + $args->{'function'}, $args->{'add_entries'}, + $args->{'only_body'}, $args->{'domain'}, + $args->{'force_register'}, $args->{'body_title'}, + $args->{'no_nav_bar'}, $args->{'bgcolor'}, + $args->{'no_title'}, $args->{'no_inline_link'}); + } + } + + if ($args->{'js_ready'}) { + $result = &js_ready($result); + } + if ($args->{'html_encode'}) { + $result = &html_encode($result); + } + return $result; +} + + +=pod + +=over 4 + +=item * &head() + +Returns a complete </body></html> section for LON-CAPA web pages. + +Inputs: $args - additional optional args supported are: + js_ready -> return a string ready for being used in + a javascript writeln + html_encode -> return a string ready for being used in + a html attribute + frameset -> if true will start with a <frameset> + rather than <body> +=back + +=cut + +sub end_page { + my ($args) = @_; + #&Apache::lonnet::logthis("end_page ".join(':',caller(0))); + $env{'internal.end_page'}++; + my $result; + if ($args->{'discussion'}) { + my ($target,$parser); + if (ref($args->{'discussion'})) { + ($target,$parser) =($args->{'discussion'}{'target'}, + $args->{'discussion'}{'parser'}); + } + $result .= &Apache::lonxml::xmlend($target,$parser); + } + + if ($args->{'frameset'}) { + $result .= '</frameset>'; + } else { + $result .= &endbodytag(); + } + $result .= "\n</html>"; + + if ($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{</script>}{</scrip'+'t>}xmsg; + + return $result; +} + +sub validate_page { + if ( exists($env{'internal.start_page'}) + && $env{'internal.start_page'} > 1) { + &Apache::lonnet::logthis('start_page called multiple times '. + $env{'internal.start_page'}.' '. + $ENV{'request.filename'}); + } + if ( exists($env{'internal.end_page'}) + && $env{'internal.end_page'} > 1) { + &Apache::lonnet::logthis('end_page called multiple times '. + $env{'internal.end_page'}.' '. + $env{'request.filename'}); + } + if ( exists($env{'internal.start_page'}) + && ! exists($env{'internal.end_page'})) { + &Apache::lonnet::logthis('start_page called without end_page '. + $env{'request.filename'}); + } + if ( ! exists($env{'internal.start_page'}) + && exists($env{'internal.end_page'})) { + &Apache::lonnet::logthis('end_page called without start_page'. + $env{'request.filename'}); + } +} + +sub simple_error_page { + my ($r,$title,$msg) = @_; + my $page = + &Apache::loncommon::start_page($title). + &mt($msg). + &Apache::loncommon::end_page(); + if (ref($r)) { + $r->print($page); + return; + } + return $page; +} + +{ + my $row_count; + sub start_data_table { + undef($row_count); + return '<table class="LC_data_table">'; + } + + sub end_data_table { + undef($row_count); + return '</table>'; + } + + sub start_data_table_row { + $row_count++; + return '<tr '.(($row_count % 2)?'':'class="LC_even_row"').'>'; + } + + sub end_data_table_row { + return '</tr>'; + } +} + ############################################### =pod +=over 4 + =item get_users_function Used by &bodytag to determine the current users primary role. @@ -3080,6 +3787,152 @@ sub get_sections { } ############################################### + +=pod + +=item coursegroups + +Retrieve information about groups in a course, + +Input: +1. Reference to hash to populate with group information. +2. Optional course domain +3. Optional course number +4. Optional group name + +Course domain and number will be taken from user's +environment if not supplied. Optional group name will' +be passed to lonnet::get_coursegroups() as a regexp to +use in the call to the dump function. + +Output +Returns number of groups in the course (subject to the +optional group name filter). + +Side effects: +Populates the referenced curr_groups hash, with key, +value pairs. Keys are group names, corresponding values +are scalars containing group information in XML. This +can be sent to &get_group_settings() to be parsed. + +=cut + +############################################### + +sub coursegroups { + my ($cdom,$cnum,$group) = @_; + if (!defined($cdom) || !defined($cnum)) { + my $cid = $env{'request.course.id'}; + + return if (!defined($cid)); + + $cdom = $env{'course.'.$cid.'.domain'}; + $cnum = $env{'course.'.$cid.'.num'}; + } + my %curr_groups = &Apache::lonnet::get_coursegroups($cdom,$cnum,$group); + my ($tmp) = keys(%curr_groups); + if ($tmp=~/^(con_lost|no_such_host|error: [^2] )/) { + undef(%curr_groups); + &logthis('Error retrieving groups: '.$tmp.' in '.$cnum.':'.$cdom); + } elsif ($tmp=~/^error: 2 /) { + undef(%curr_groups); + } + return %curr_groups; +} + +############################################### + +=pod + +=item get_group_settings + +Uses TokeParser to extract group information from the +XML used to describe course groups. + +Input: +Scalar containing XML - as retrieved from &coursegroups(). + +Output: +Hash containing group information as key=values for (a), and +hash of hashes for (b) + +Keys (in two categories): +(a) groupname, creator, creation, modified, startdate,enddate. +Corresponding values are name of the group, creator of the group +(username:domain), UNIX time for date group was created, and +settings were last modified, and default start and end access +times for group members. + +(b) functions returned in hash of hashes. +Outer hash key is functions. +Inner hash keys are chat,discussion,email,files,homepage,roster. +Corresponding values are either on or off, depending on +whether this type of functionality is available for the group. + +=cut + +############################################### + +sub get_group_settings { + my ($groupinfo)=@_; + my $parser=HTML::TokeParser->new(\$groupinfo); + my $token; + my $tool = ''; + my $role = ''; + my %content=(); + while ($token=$parser->get_token) { + if ($token->[0] eq 'S') { + my $entry=$token->[1]; + if ($entry eq 'functions' || $entry eq 'autosec') { + %{$content{$entry}} = (); + $tool = $entry; + } elsif ($entry eq 'role') { + if ($tool eq 'autosec') { + $role = $token->[2]{id}; + } + } else { + my $value=$parser->get_text('/'.$entry); + if ($entry eq 'name') { + if ($tool eq 'functions') { + my $function = $token->[2]{id}; + $content{$tool}{$function} = $value; + } + } elsif ($entry eq 'groupname') { + $content{$entry}=&Apache::lonnet::unescape($value); + } elsif (($entry eq 'roles') || ($entry eq 'types') || + ($entry eq 'sectionpick') || ($entry eq 'defpriv')) { + push(@{$content{$entry}},$value); + } elsif ($entry eq 'section') { + if ($tool eq 'autosec' && $role ne '') { + push(@{$content{$tool}{$role}},$value); + } + } else { + $content{$entry}=$value; + } + } + } elsif ($token->[0] eq 'E') { + if ($token->[1] eq 'functions' || $token->[1] eq 'autosec') { + $tool = ''; + } elsif ($token->[1] eq 'role') { + $role = ''; + } + + } + } + return %content; +} + +sub check_group_access { + my ($group) = @_; + my $access = 1; + my $now = time; + my ($start,$end) = split(/\./,$env{'user.role.gr/'.$env{'request.course,id'}.'/'.$group}); + if (($end!=0) && ($end<$now)) { $access = 0; } + if (($start!=0) && ($start>$now)) { $access=0; } + return $access; +} + +############################################### =pod @@ -3128,7 +3981,7 @@ sub get_course_users { my $now = time; foreach my $student (keys(%{$classlist})) { my $match = 0; - if (ref($sections) eq 'ARRAY') && (@{$sections} > 0) { + if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) { unless(grep(/^\Q$$classlist{$student}[$idx{section}]\E$/, @{$sections})) { next; @@ -3207,83 +4060,11 @@ sub get_user_info { my ($udom,$uname,$idx,$userdata) = @_; $$userdata{$uname.':'.$udom}[$$idx{fullname}] = &plainname($uname,$udom,'lastname'); - $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname - $$userdata{$uname.':'.$udom}[$$idx{uname}] = $udom + $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname; + $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom; return; } -############################################### - -sub get_posted_cgi { - my $r=shift; - - my $buffer; - if ($r->header_in('Content-length')) { - $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); - } - 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=''; - } - $i++; - } - } else { - $value.=$lines[$i]."\n"; - } - } - } - $env{'request.method'}=$ENV{'REQUEST_METHOD'}; - $r->method_number(M_GET); - $r->method('GET'); - $r->headers_in->unset('Content-length'); -} - =pod =item * get_unprocessed_cgi($query,$possible_names) @@ -3302,8 +4083,8 @@ will result in $env{'form.uname'} and $e sub get_unprocessed_cgi { my ($query,$possible_names)= @_; # $Apache::lonxml::debug=1; - foreach (split(/&/,$query)) { - my ($name, $value) = split(/=/,$_); + foreach my $pair (split(/&/,$query)) { + my ($name, $value) = split(/=/,$pair); $name = &Apache::lonnet::unescape($name); if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) { $value =~ tr/+/ /; @@ -3350,6 +4131,10 @@ sub no_cache { sub content_type { my ($r,$type,$charset) = @_; + if ($r) { + # Note that printout.pl calls this with undef for $r. + &no_cache($r); + } if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; } unless ($charset) { $charset=&Apache::lonlocal::current_encoding; @@ -3516,8 +4301,7 @@ sub record_sep { 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{&takeleft($i)}=$field; @@ -3525,8 +4309,7 @@ sub record_sep { } } 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{&takeleft($i)}=$field; @@ -3584,6 +4367,22 @@ 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; +} + ###################################################### ###################################################### @@ -3601,20 +4400,17 @@ Apache Request ref, $records is an array ###################################################### sub csv_print_samples { my ($r,$records) = @_; - my (%sone,%stwo,%sthree); - %sone=&record_sep($$records[0]); - if (defined($$records[1])) {%stwo=&record_sep($$records[1]);} - if (defined($$records[2])) {%sthree=&record_sep($$records[2]);} - # + my $samples = &get_samples($records,3); + $r->print(&mt('Samples').'<br /><table border="2"><tr>'); - foreach (sort({$a <=> $b} keys(%sone))) { - $r->print('<th>'.&mt('Column [_1]',($_+1)).'</th>'); } + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { + $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); } $r->print('</tr>'); - foreach my $hash (\%sone,\%stwo,\%sthree) { + foreach my $hash (@$samples) { $r->print('<tr>'); - foreach (sort({$a <=> $b} keys(%sone))) { + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { $r->print('<td>'); - if (defined($$hash{$_})) { $r->print($$hash{$_}); } + if (defined($$hash{$sample})) { $r->print($$hash{$sample}); } $r->print('</td>'); } $r->print('</tr>'); @@ -3641,23 +4437,23 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_print_select_table { my ($r,$records,$d) = @_; - my $i=0;my %sone; - %sone=&record_sep($$records[0]); + my $i=0; + my $samples = &get_samples($records,1); $r->print(&mt('Associate columns with student attributes.')."\n". '<table border="2"><tr>'. '<th>'.&mt('Attribute').'</th>'. '<th>'.&mt('Column').'</th></tr>'."\n"); - foreach (@$d) { - my ($value,$display,$defaultcol)=@{ $_ }; + foreach my $array_ref (@$d) { + my ($value,$display,$defaultcol)=@{ $array_ref }; $r->print('<tr><td>'.$display.'</td>'); $r->print('<td><select name=f'.$i. ' onchange="javascript:flip(this.form,'.$i.');">'); $r->print('<option value="none"></option>'); - foreach (sort({$a <=> $b} keys(%sone))) { - $r->print('<option value="'.$_.'"'. - ($_ eq $defaultcol ? ' selected="selected" ' : ''). - '>Column '.($_+1).'</option>'); + foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { + $r->print('<option value="'.$sample.'"'. + ($sample eq $defaultcol ? ' selected="selected" ' : ''). + '>Column '.($sample+1).'</option>'); } $r->print('</select></td></tr>'."\n"); $i++; @@ -3685,28 +4481,27 @@ $d is an array of 2 element arrays (inte ###################################################### sub csv_samples_select_table { my ($r,$records,$d) = @_; - my %sone; my %stwo; my %sthree; my $i=0; # + my $samples = &get_samples($records,3); $r->print('<table border=2><tr><th>'. &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>'); - %sone=&record_sep($$records[0]); - if (defined($$records[1])) {%stwo=&record_sep($$records[1]);} - if (defined($$records[2])) {%sthree=&record_sep($$records[2]);} - # - foreach (sort keys %sone) { + + foreach my $key (sort(keys(%{ $samples->[0] }))) { $r->print('<tr><td><select name="f'.$i.'"'. ' onchange="javascript:flip(this.form,'.$i.');">'); - foreach (@$d) { - my ($value,$display,$defaultcol)=@{ $_ }; + foreach my $option (@$d) { + my ($value,$display,$defaultcol)=@{ $option }; $r->print('<option value="'.$value.'"'. ($i eq $defaultcol ? ' selected="selected" ':'').'>'. $display.'</option>'); } $r->print('</select></td><td>'); - if (defined($sone{$_})) { $r->print($sone{$_}."<br />\n"); } - if (defined($stwo{$_})) { $r->print($stwo{$_}."<br />\n"); } - if (defined($sthree{$_})) { $r->print($sthree{$_}."<br />\n"); } + foreach my $line (0..2) { + if (defined($samples->[$line]{$key})) { + $r->print($samples->[$line]{$key}."<br />\n"); + } + } $r->print('</td></tr>'); $i++; } @@ -4215,13 +5010,14 @@ sub store_course_settings { # save to the environment # appenv the same items, just to be safe my $courseid = $env{'request.course.id'}; - my $coursedom = $env{'course.'.$courseid.'.domain'}; + my $udom = $env{'user.domain'}; + my $uname = $env{'user.name'}; my ($prefix,$Settings) = @_; my %SaveHash; my %AppHash; while (my ($setting,$type) = each(%$Settings)) { - my $basename = 'internal.'.$prefix.'.'.$setting; - my $envname = 'course.'.$courseid.'.'.$basename; + my $basename = join('.','internal',$courseid,$prefix,$setting); + my $envname = 'environment.'.$basename; if (exists($env{'form.'.$setting})) { # Save this value away if ($type eq 'scalar' && @@ -4249,8 +5045,7 @@ sub store_course_settings { } } my $put_result = &Apache::lonnet::put('environment',\%SaveHash, - $coursedom, - $env{'course.'.$courseid.'.num'}); + $udom,$uname); if ($put_result !~ /^(ok|delayed)/) { &Apache::lonnet::logthis('unable to save form parameters, '. 'got error:'.$put_result); @@ -4265,7 +5060,7 @@ sub restore_course_settings { my ($prefix,$Settings) = @_; while (my ($setting,$type) = each(%$Settings)) { next if (exists($env{'form.'.$setting})); - my $envname = 'course.'.$courseid.'.internal.'.$prefix. + my $envname = 'environment.internal.'.$courseid.'.'.$prefix. '.'.$setting; if (exists($env{$envname})) { if ($type eq 'scalar') {