--- rat/lonpage.pm 2004/08/29 19:25:34 1.59 +++ rat/lonpage.pm 2010/03/16 19:56:02 1.93 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Page Handler # -# $Id: lonpage.pm,v 1.59 2004/08/29 19:25:34 raeburn Exp $ +# $Id: lonpage.pm,v 1.93 2010/03/16 19:56:02 droeschl Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,24 +25,16 @@ # # http://www.lon-capa.org/ # -# (TeX Content Handler -# -# YEAR=2000 -# 05/29/00,05/30 Gerd Kortemeyer) -# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23, -# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16, -# YEAR=2001 -# 08/13/01,08/30,10/1 Gerd Kortemeyer -# YEAR=2002 -# 03/19 Gerd Kortemeyer -# ### + + + package Apache::lonpage; use strict; use Apache::Constants qw(:common :http); -use Apache::lonnet(); +use Apache::lonnet; use Apache::loncommon(); use Apache::lonxml(); use Apache::lonlocal; @@ -50,6 +42,9 @@ use Apache::lonmenu; use HTML::TokeParser; use GDBM_File; use Apache::lonsequence; +use lib '/home/httpd/lib/perl/'; +use LONCAPA; + # -------------------------------------------------------------- Module Globals my %hash; @@ -74,7 +69,7 @@ sub tracetable { my ($sofar,$rid,$beenhere)=@_; my $further=$sofar; my $randomout=0; - unless ($ENV{'request.role.adv'}) { + unless ($env{'request.role.adv'}) { $randomout = $hash{'randomout_'.$rid}; } unless ($beenhere=~/\&$rid\&/) { @@ -86,7 +81,7 @@ sub tracetable { my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; $sofar= &tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}}, - '&'.$frid.'&'); + '&'.$frid.$beenhere); $sofar++; if ($hash{'src_'.$frid}) { my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid}); @@ -149,7 +144,7 @@ sub handler { # ------------------------------------------- Set document type for header only if ($r->header_only) { - if ($ENV{'browser.mathml'}) { + if ($env{'browser.mathml'}) { &Apache::loncommon::content_type($r,'text/xml'); } else { &Apache::loncommon::content_type($r,'text/html'); @@ -162,7 +157,7 @@ sub handler { ['forceselect','launch']); my $number_of_columns = 1; my $requrl=$r->uri; - my $target = $ENV{'form.grade_target'}; + my $target = $env{'form.grade_target'}; # &Apache::lonnet::logthis("Got a target of $target"); if ($target eq 'meta') { &Apache::loncommon::content_type($r,'text/html'); @@ -170,8 +165,8 @@ sub handler { return OK; } # ----------------------------------------------------------------- Tie db file - if (($ENV{'request.course.fn'}) && (!$ENV{'form.forceselect'})) { - my $fn=$ENV{'request.course.fn'}; + if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) { + my $fn=$env{'request.course.fn'}; if (-e "$fn.db") { if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) { # ------------------------------------------------------------------- Hash tied @@ -191,8 +186,10 @@ sub handler { for ($i=0;$i<=$#rows;$i++) { if ($rows[$i]) { my @colcont=split(/\&/,$rows[$i]); - foreach (@colcont) { - $symbhash{$hash{'src_'.$_}}=''; + foreach my $rid (@colcont) { + my ($mapid,$resid)=split(/\./,$rid); + $symbhash{$hash{'src_'.$rid}}= + [$hash{'src_'.$rid},$resid]; } } } @@ -212,8 +209,6 @@ sub handler { my %ssivlink=(); my %ssialink=(); - my %metalink=(); - my %cellemb=(); my $allscript=''; @@ -232,37 +227,54 @@ sub handler { $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); foreach (@colcont) { my $src=$hash{'src_'.$_}; - $src=~/\.(\w+)$/; - $metalink{$_}=$src.'.meta'; - $cellemb{$_}=Apache::loncommon::fileembstyle($1); + my ($extension)=($src=~/\.(\w+)$/); + if ($hash{'encrypted_'.$_}) { + $src=&Apache::lonenc::encrypted($src); + } + $cellemb{$_}= + &Apache::loncommon::fileembstyle($extension); if ($cellemb{$_} eq 'ssi') { # --------------------------------------------------------- This is an SSI cell + my ($mapid,$resid)=split(/\./,$_); + my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src); + my $prefix=$_.'_'; - my %posthash=('request.prefix' => $prefix); - if ($ENV{'form.grade_target'} eq 'tex') { - $posthash{'grade_target'}=$ENV{'form.grade_target'}; - $posthash{'textwidth'}=$ENV{'form.textwidth'}; - $posthash{'problem_split'}=$ENV{'form.problem_split'}; - $posthash{'latex_type'}=$ENV{'form.latex_type'}; - $posthash{'rndseed'}=$ENV{'form.rndseed'}; + my %posthash=('request.prefix' => $prefix, + 'LONCAPA_INTERNAL_no_discussion' => 'true', + 'symb' => $symb); + if ($env{'form.grade_target'} eq 'tex') { + $posthash{'grade_target'}=$env{'form.grade_target'}; + $posthash{'textwidth'}=$env{'form.textwidth'}; + $posthash{'problem_split'}=$env{'form.problem_split'}; + $posthash{'latex_type'}=$env{'form.latex_type'}; + $posthash{'rndseed'}=$env{'form.rndseed'}; } - if (($ENV{'form.'.$prefix.'submit'}) - || ($ENV{'form.all_submit'})) { - foreach (keys %ENV) { - if ($_=~/^form.$prefix/) { - my $name=$_; - $name=~s/^form.$prefix//; - $posthash{$name}=$ENV{$_}; - } - } + my $submitted=exists($env{'form.all_submit'}); + if (!$submitted) { + foreach my $key (keys(%env)) { + if ($key=~/^form.\Q$prefix\Esubmit_/) { + $submitted=1;last; + } + } + } + if ($submitted) { + foreach my $key (keys(%env)) { + if ($key=~/^form.\Q$prefix\E/) { + my $name=$key; + $name=~s/^form.\Q$prefix\E//; + $posthash{$name}=$env{$key}; + } + } + if (exists($env{'form.all_submit'})) { + $posthash{'all_submit'}='yes'; + } } my $output=Apache::lonnet::ssi($src,%posthash); - $output=~ - s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; + $output=~s|//(\s*)?\s||gs; if ($target eq 'tex') { $output =~ s/^([^&]+)\\begin{document}//; $output =~ s/\\end{document}//; - $output = '\parbox{\minipagewidth}{ '.$output.' }'; +# $output = '\parbox{\minipagewidth}{ '.$output.' }'; #some additional cleanup necessary for LateX (due to limitations of table environment $output =~ s/(\\vskip\s*\d+mm)\s*(\\\\)+/$1/g; } @@ -326,11 +338,11 @@ sub handler { $output=~s/\]*\>//gsi; $output=~s/\<\/form[^\>]*\>//gsi; $output=~ - s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([\w\.\:]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; + s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; } $thisdir=~s/\/[^\/]*$//; foreach (@rlinks) { - unless (($_=~/^http:\/\//i) || + unless (($_=~/^https?\:\/\//i) || ($_=~/^\//) || ($_=~/^javascript:/i) || ($_=~/^mailto:/i) || @@ -351,17 +363,11 @@ sub handler { unless ($contents) { &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; - $r->print(''."\n". - ''."\n". - &Apache::lonmenu::registerurl(1,undef)."\n". - ''."\n". - ''. - &Apache::lonmenu::menubuttons(undef,$target,1) - ); + $r->print(&Apache::loncommon::start_page(undef,undef, + {'force_register' => 1,})); $r->print(&mt('This page is either empty or it only contains resources that are currently hidden').'. '); - $r->print('

'.&mt('Please use the LON-CAPA navigation arrows to move to another item in the course').'.'); + $r->print('

'.&mt('Please use the LON-CAPA navigation arrows to move to another item in the course'). + &Apache::loncommon::end_page()); } else { # ------------------------------------------------------------------ Build page @@ -369,52 +375,48 @@ sub handler { unless ($target eq 'tex') { if ($isxml) { &Apache::loncommon::content_type($r,'text/xml'); - $r->send_http_header; - $r->print($xmlheader); } else { &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - $r->print(''); } + $r->send_http_header; # ------------------------------------------------------------------------ Head - $r->print("\n\n".$allmeta); if ($allscript) { - $r->print("\n\n"); + $allscript = + "\n".'\n"; } - $r->print(&Apache::lonmenu::registerurl(1,undef)); - $r->print("\n\n"); # ------------------------------------------------------------------ Start body - if ($isxml) { - $r->print($xmlbody); - } else { - $r->print( - ''. - &Apache::lonmenu::menubuttons(undef,$target,1) - ); - } + $r->print(&Apache::loncommon::start_page(undef,$allscript, + {'force_register' => 1, + 'bgcolor' => '#ffffff',})); # ------------------------------------------------------------------ Start form if ($nforms) { - $r->print('
'); + $r->print(''); } } elsif ($target eq 'tex') { - $r->print('\documentclass{article} - \newcommand{\keephidden}[1]{} - \usepackage[dvips]{graphicx} - \usepackage{epsfig} - \usepackage{calc} - \usepackage{longtable} - \begin{document}'); + # I think this is not needed as the header + # will be put in for each of the page parts + # by the londefdef.pm now that we are opening up + # the parts of a page. + #$r->print('\documentclass{article} + # \newcommand{\keephidden}[1]{} + # \usepackage[dvips]{graphicx} + # \usepackage{epsfig} + # \usepackage{calc} + # \usepackage{longtable} + # \begin{document}'); } # ----------------------------------------------------------------- Start table if ($target eq 'tex') { - $r->print('\begin{longtable}INSERTTHEHEADOFLONGTABLE\endfirsthead\endhead '); +# # $r->print('\begin{longtable}INSERTTHEHEADOFLONGTABLE\endfirsthead\endhead '); if ($number_of_columns le $lcm) {$number_of_columns=$lcm;}; } else { - $r->print(''); + $r->print('
'); } +# generate rows for ($i=0;$i<=$#rows;$i++) { if ($rows[$i]) { unless ($target eq 'tex') { @@ -424,42 +426,8 @@ sub handler { my $avespan=$lcm/($#colcont+1); for ($j=0;$j<=$#colcont;$j++) { my $rid=$colcont[$j]; - my $metainfo=''. - ''. - ''. - ''. - ''. - ''; - if ( - ($hash{'src_'.$rid}=~/\.(problem|exam|quiz|assess|survey|form)$/) && - (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}))) { - my ($mapid,$resid)=split(/\./,$rid); - my $symb= - &Apache::lonnet::declutter($hash{'map_id_'.$mapid}). - '___'.$resid.'___'. - &Apache::lonnet::declutter($hash{'src_'.$rid}); - $metainfo.= - ''. - '&command=submission">'. - ''. - ''. - ''. - '&command=gradingmenu">'. - ''. - ''. - ''. - '" >'. - ''. - ''; - } - $metainfo.='

'; + + my $metainfo =&get_buttons(\%hash,$rid).'
'; unless ($target eq 'tex') { $r->print(''); } else { - for (my $incol=1;$incol<=$avespan;$incol++) { - $r->print(' & '); - } +# for (my $incol=1;$incol<=$avespan;$incol++) { +# $r->print(' & '); +# } } } unless ($target eq 'tex') { $r->print(''); } else { - $r->print('REMOVETHEHEADOFLONGTABLE\\\\'); +# $r->print('REMOVETHEHEADOFLONGTABLE\\\\'); } } } unless ($target eq 'tex') { $r->print("\n
print(''); } - if ($ENV{'course.'. - $ENV{'request.course.id'}. + if ($env{'course.'. + $env{'request.course.id'}. '.pageseparators'} eq 'yes') { unless($target eq 'tex') { $r->print('
'); - } else { - $r->print('\hline'); - } + } } } elsif ($cellemb{$rid} eq 'img') { $r->print('>'.$metainfo.''); + $hash{'src_'.$rid}.'" />'); } elsif ($cellemb{$rid} eq 'emb') { $r->print('>'.$metainfo.''); + } elsif (&Apache::lonnet::declutter($hash{'src_'.$rid}) !~/\.(sequence|page)$/) { + $r->print($metainfo.''.$hash{'title_'.$rid}.'
'. + &mt('It is recommended that you use an up-to-date virus scanner before handling this file.').'

'. + &Apache::londocs::entryline(0,&mt("Click to download or use your browser's Save Link function"),'/'.&Apache::lonnet::declutter($hash{'src_'.$rid})).'


'); } unless ($target eq 'tex') { $r->print('
"); } else { - $r->print('\end{longtable}\strut'); +# $r->print('\end{longtable}\strut'); } # ---------------------------------------------------------------- Submit, etc. if ($nforms) { @@ -532,15 +502,19 @@ sub handler { (($nforms>1)?'submit':'hidden').'">
'); } unless ($target eq 'tex') { - $r->print(''.&Apache::lonxml::xmlend()); + $r->print(&Apache::loncommon::end_page({'discussion' + => 1,})); } else { $r->print('\end{document}'.$number_of_columns); } + &Apache::lonnet::symblist($requrl,%symbhash); + my ($map,$id,$url)=&Apache::lonnet::decode_symb(&Apache::lonnet::symbread()); + &Apache::lonnet::symblist($map,'last_known'=>[$url,$id]); # -------------------------------------------------------------------- End page } # ------------------------------------------------------------- End render page } else { - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; &Apache::lonsequence::viewmap($r,$requrl); } @@ -555,15 +529,71 @@ sub handler { } } } - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; &Apache::lonsequence::viewmap($r,$requrl); return OK; } +sub get_buttons { + my ($hash,$rid) = @_; + + my $metainfo = ''; + my $esrc=&Apache::lonnet::declutter($hash->{'src_'.$rid}); + my ($mapid,$resid)=split(/\./,$rid); + my $symb=&Apache::lonnet::encode_symb($hash->{'map_id_'.$mapid}, + $resid, + $hash->{'src_'.$rid}); + if ($hash->{'encrypted_'.$rid}) { + $symb=&Apache::lonenc::encrypted($symb); + $esrc=&Apache::lonenc::encrypted($esrc); + } + if ($hash->{'src_'.$rid} !~ m-^/uploaded/- + && !$env{'request.enc'} + && ($env{'request.role.adv'} + || !$hash->{'encrypted_'.$rid})) { + $metainfo .=''. + ''. + ''. + ''; + } + $metainfo .= ''. + ''. + ''; + if (($hash->{'src_'.$rid}=~/\.(problem|exam|quiz|assess|survey|form)$/) && + ($hash->{'src_'.$rid} !~ m-^/uploaded/-)) { + + if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) { + $metainfo.= + ''. + '&command=submission">'. + ''. + ''. + ''. + '&command=gradingmenu">'. + ''. + ''; + } + if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { + $metainfo.= + ''. + '" >'. + ''. + ''; + } + } + return $metainfo; +} + 1; __END__ + =head1 NAME Apache::lonpage - Page Handler @@ -665,5 +695,3 @@ tracetable() : Build page table. =cut - -