--- rat/lonpage.pm 2013/06/09 02:59:25 1.101 +++ rat/lonpage.pm 2020/03/12 07:46:14 1.111.2.12 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Page Handler # -# $Id: lonpage.pm,v 1.101 2013/06/09 02:59:25 raeburn Exp $ +# $Id: lonpage.pm,v 1.111.2.12 2020/03/12 07:46:14 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,10 +36,14 @@ use strict; use Apache::Constants qw(:common :http); use Apache::lonnet; use Apache::loncommon(); +use Apache::lonhtmlcommon; use Apache::lonxml(); use Apache::lonlocal; use Apache::lonmenu; +use Apache::lonhomework; +use Apache::lonenc(); use HTML::TokeParser; +use HTML::Entities(); use GDBM_File; use Apache::lonsequence; use lib '/home/httpd/lib/perl/'; @@ -181,11 +185,27 @@ sub handler { if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) { my $fn=$env{'request.course.fn'}; if (-e "$fn.db") { + my %buttonshide; + my $hostname = $r->hostname(); + my $lonhost = $r->dir_config('lonHostID'); + my $ip = &Apache::lonnet::get_host_ip($lonhost); if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) { # ------------------------------------------------------------------- Hash tied my $firstres=$hash{'map_start_'.$requrl}; my $lastres=$hash{'map_finish_'.$requrl}; if (($firstres) && ($lastres)) { +# ------------------------------------------------------------- Countdown Timer + my $now = time; + my ($pagefirstaccess,%hastimeleft,%countdowndisp); + my ($pagesymb,$courseid,$domain,$name)=&Apache::lonnet::whichuser(); + if ($pagesymb && ($courseid ne '') && ($domain ne '') && ($name ne '')) { + my %times=&Apache::lonnet::get('firstaccesstimes', + [$courseid."\0".$pagesymb], + $domain,$name); + if ($times{$courseid."\0".$pagesymb} =~ /^\d+$/) { + $pagefirstaccess = $times{$courseid."\0".$pagesymb}; + } + } # ----------------------------------------------------------------- Render page @rows=(); @@ -215,6 +235,7 @@ sub handler { my $contents=0; my $nforms=0; my $nuploads=0; + my $ntimers=0; my %turninpaths; my %multiresps; my $turninparent; @@ -245,26 +266,80 @@ sub handler { $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); foreach (@colcont) { my $src=$hash{'src_'.$_}; + my $plainsrc = $src; + my $anchor; + if ($hash{'ext_'.$_} eq 'true:') { + $cellexternal{$_}=($hash{'ext_'.$_} eq 'true:'); + $src =~ s{^/ext/}{http://}; + $src =~ s{http://https://}{https://}; + if ($src =~ /(\#[^#]+)$/) { + $anchor = $1; + $src =~ s/\#[^#]+$//; + } + } + my $unencsrc = $src; my ($extension)=($src=~/\.(\w+)$/); - $cellexternal{$_}=($hash{'ext_'.$_} eq 'true:'); if ($hash{'encrypted_'.$_}) { $src=&Apache::lonenc::encrypted($src); } + my ($mapid,$resid)=split(/\./,$_); + my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$plainsrc); + unless ($env{'request.role.adv'}) { + $buttonshide{$symb} = &Apache::lonnet::EXT("resource.0.buttonshide",$symb); + } $cellemb{$_}= &Apache::loncommon::fileembstyle($extension); if ($cellexternal{$_}) { - unless (($target eq 'tex') || ($target eq 'tex_answer')) { - $ssibody{$_} = <No iframe support! + if (($target eq 'tex') || ($target eq 'tex_answer')) { + my $shown = $src.$anchor; + if (($hash{'encrypted_'.$_}) && (!$env{'request.role.adv'})) { + $shown = &mt('URL not shown (encrypted)'); + } + my $title=&Apache::lonnet::gettitle($symb); + $title = &Apache::lonxml::latex_special_symbols($title); + $shown = &Apache::lonxml::latex_special_symbols($shown); + $ssibody{$_} = ' \strut \\\\ \textit{'.$title.'} \strut \\\\ '.$shown.'\\\\'; + } else { + my $showsrc = $src; + my ($is_pdf,$title,$linktext); + if ($unencsrc =~ /\.pdf$/i) { + $is_pdf = 1; + } + if (($hash{'encrypted_'.$_}) && ($symb)) { + $title=&Apache::lonnet::gettitle(&Apache::lonenc::encrypted($symb)); + } else { + $title=&Apache::lonnet::gettitle($symb); + } + if ($env{'browser.mobile'}) { + if ($is_pdf) { + $linktext = &mt('Link to PDF (for mobile devices)'); + $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext); + } else { + $linktext = &mt('Link to resource'); + $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext); + } + } else { + my $absolute = $env{'request.use_absolute'}; + my $uselink = &Apache::loncommon::is_nonframeable($unencsrc,$absolute,$hostname,$ip); + if (($uselink) || (($ENV{'SERVER_PORT'} == 443) && ($unencsrc =~ m{^http://}))) { + $linktext = &mt('Link to resource'); + $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext); + } else { + if (($hash{'encrypted_'.$_}) && ($symb) && (!$env{'request.role.adv'})) { + $showsrc .= '?symb='.&Apache::lonenc::encrypted($symb); + } elsif ($anchor) { + $showsrc .= $anchor; + } + $ssibody{$_} = <No iframe support! ENDEXT + } + } } } elsif ($cellemb{$_} 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 $idprefix= join('_',($mapid,$resid,'')); + my $prefix='p_'.$_.'_'; + my $idprefix='p_'.join('_',($mapid,$resid,'')); my %posthash=('request.prefix' => $prefix, 'LONCAPA_INTERNAL_no_discussion' => 'true', 'symb' => $symb); @@ -277,35 +352,49 @@ ENDEXT $posthash{'rndseed'}=$env{'form.rndseed'}; $posthash{'answer_output_mode'} = $env{'form.answer_output_mode'}; } - my $submitted=exists($env{'form.all_submit'}); + my $submitted=$env{'form.all_submit_pressed'}; if (!$submitted) { foreach my $key (keys(%env)) { - if ($key=~/^form.\Q$prefix\Esubmit_/) { - $submitted=1;last; + if ($key=~/^\Qform.$prefix\Esubmit_(.+)_pressed$/) { + if ($env{$key}) { + $submitted=1; + last; + } } - } + } } if ($submitted) { foreach my $key (keys(%env)) { - if ($key=~/^form.\Q$prefix\E/) { + if ($key=~/^\Qform.$prefix\E/) { my $name=$key; - $name=~s/^form.\Q$prefix\E//; + $name=~s/^\Qform.$prefix\E//; $posthash{$name}=$env{$key}; - } + } } - if (exists($env{'form.all_submit'})) { + if ($env{'form.all_submit_pressed'}) { $posthash{'all_submit'}='yes'; } - } + } elsif ($env{'form.'.$prefix.'markaccess'} eq 'yes') { + $posthash{'markaccess'} = $env{'form.'.$prefix.'markaccess'}; + } + if ($env{'environment.remote'} eq 'on') { + $posthash{'inhibitmenu'} = 'yes'; + } my $output=Apache::lonnet::ssi($src,%posthash); $output=~s|//(\s*)?\s||gs; if (($target eq 'tex') || ($target eq 'tex_answer')) { - $output =~ s/^([^&]+)\\begin{document}//; - $output =~ s/\\end{document}//; + $output =~ s/^([^&]+)\\begin\{document}//; + $output =~ s/\\end\{document}//; # $output = '\parbox{\minipagewidth}{ '.$output.' }'; #some additional cleanup necessary for LateX (due to limitations of table environment $output =~ s/(\\vskip\s*\d+mm)\s*(\\\\)+/$1/g; } + my $matheditor; + if ($output =~ /\Qjavascript:LC_mathedit_HWVAL_\E/) { + $matheditor = 'dragmath'; + } elsif ($output =~ /LCmathField/) { + $matheditor = 'lcmath'; + } my $parser=HTML::TokeParser->new(\$output); my $token; my $thisdir=$src; @@ -362,19 +451,42 @@ ENDEXT } $output=~s/\<\/body\>.*//si; if ($output=~/\
]*\>//gsi; $output=~s/\<\/form[^\>]*\>//gsi; if ($output=~/\]+name\s*=\s*[\'\"]*HWFILE/) { $nuploads++; } + if ($output=~/\]+name\s*=\s*[\'\"]*accessbutton/) { + $ntimers++; + $hastimer = 1; + } $output=~ s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; $output=~ s/\<((?:input|select|button|textarea)[^\>]+)id\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 id="$idprefix$2" $3\>/gsi; - if ($nuploads) { + $output=~ + s/(\Qthis.form.elements['\E)(HW(?:VAL|CHK)_[^']+\'\]\.(?:value=\'|checked))/$1$prefix$2/gsi; + if ($hastimer) { + $output=~ + s/\<(input[^\>]+name=\Q"$prefix\Eaccessbutton"[^\>]+)(?:\Qdocument.markaccess.submit();\E)([^\>]*)\>/\<$1pageTimer(this.form,'$prefix')$2\>/gsi; + $output=~ s/\<(input[^\>]+name=\Q"$prefix\Emarkaccess"[^\>]+value=["'])(?:yes)(['"][^\>]*)\>/\<$1$2\>/gsi; + } + if ($matheditor eq 'dragmath') { $output=~ - s/\<(input[^\>]+name=\"\Q$prefix\EHWFILE[^\>]+)\s*id\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\)]*)\>/\<$1 id="$prefix$2" $3\>/gsi; + s/(\Qjavascript:LC_mathedit_\E)(HWVAL_)([^'"]+?)(\(['"]*)(\QHWVAL_\E\3['"]\)\;void\(0\)\;)/$1$idprefix$2$3$4$idprefix$5/g; + $output=~ + s/(function\s+LC_mathedit_)(HWVAL_)([^'"]+?)(\s+\(LCtextline\))/$1$idprefix$2$3$4/g; + } elsif ($matheditor eq 'lcmath') { + $output=~ + s/(var\s+LCmathField\s+=\s+document\.getElementById\(['"])([^'"]+?)(['"]\)\;)/$1$idprefix$2$3/g; + } + $output=~ + s/(\Q