--- rat/lonpage.pm 2004/08/29 18:34:36 1.57 +++ rat/lonpage.pm 2020/06/03 03:48:37 1.120.2.2 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Page Handler # -# $Id: lonpage.pm,v 1.57 2004/08/29 18:34:36 raeburn Exp $ +# $Id: lonpage.pm,v 1.120.2.2 2020/06/03 03:48:37 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,31 +25,29 @@ # # 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::lonhtmlcommon; use Apache::lonxml(); use Apache::lonlocal; use Apache::lonmenu; +use Apache::lonhomework; +use Apache::lonparmset; use HTML::TokeParser; use GDBM_File; use Apache::lonsequence; +use lib '/home/httpd/lib/perl/'; +use LONCAPA; + # -------------------------------------------------------------- Module Globals my %hash; @@ -74,7 +72,7 @@ sub tracetable { my ($sofar,$rid,$beenhere)=@_; my $further=$sofar; my $randomout=0; - if ($ENV{'request.role'} =~ /^st/) { + unless ($env{'request.role.adv'}) { $randomout = $hash{'randomout_'.$rid}; } unless ($beenhere=~/\&$rid\&/) { @@ -86,7 +84,7 @@ 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_'.$frid}); @@ -149,7 +147,7 @@ sub handler { # ------------------------------------------- Set document type for header only if ($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 +160,20 @@ sub handler { ['forceselect','launch']); my $number_of_columns = 1; my $requrl=$r->uri; - my $target = $ENV{'form.grade_target'}; + my $target = $env{'form.grade_target'}; + +# Short term solution: define target as 'tex_answer' when retrieving answers +# for resources in a .page when generating printouts. +# A better long-term fix would be to modify the way problem rendering, and +# answer rendering are retrieved for individual resources when printing a .page, +# so rendered problem and answer are sequential for individual resources in +# the .page +# + if ($target eq 'answer') { + if ($env{'form.answer_output_mode'} eq 'tex') { + $target = 'tex_answer'; + } + } # &Apache::lonnet::logthis("Got a target of $target"); if ($target eq 'meta') { &Apache::loncommon::content_type($r,'text/html'); @@ -170,14 +181,35 @@ sub handler { return OK; } # ----------------------------------------------------------------- Tie db file - if (($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 "$fn.db") { + my %buttonshide; if (tie(%hash,'GDBM_File',"$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,%donebutton, + %donebtnextra,%buttonbytime,$donetime,$symbtosetdone); + my ($pagesymb,$courseid,$domain,$name)=&Apache::lonnet::whichuser(); + unless ($pagesymb) { + $pagesymb=&Apache::lonnet::symbread($requrl); + } + 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".$pagesymb}; + if ($pagefirstaccess && $env{'form.LC_interval_done'} eq 'true') { + $donetime = $now - $pagefirstaccess; + } + } + } + # ----------------------------------------------------------------- Render page @rows=(); @@ -191,8 +223,31 @@ sub handler { for ($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]; + if (($donetime) && ($symbtosetdone eq '')) { + my $src = $hash{'src_'.$rid}; + if ($hash{'encrypted_'.$rid}) { + $src=&Apache::lonenc::encrypted($src); + } + my ($mapid,$resid)=split(/\./,$rid); + my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src); + if ($src =~ /$LONCAPA::assess_re/) { + my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb); + if (@interval > 1) { + if (($interval[1] eq 'map') && ($pagefirstaccess)) { + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + if ($timelimit) { + if ($pagefirstaccess + $timelimit > $now) { + $symbtosetdone = $symb; + } + } + } + } + } + } } } } @@ -204,6 +259,11 @@ sub handler { my $lcm=1; my $contents=0; my $nforms=0; + my $nuploads=0; + my $ntimers=0; + my %turninpaths; + my %multiresps; + my $turninparent; my %ssibody=(); my %ssibgcolor=(); @@ -212,9 +272,8 @@ sub handler { my %ssivlink=(); my %ssialink=(); - my %metalink=(); - my %cellemb=(); + my %cellexternal=(); my $allscript=''; my $allmeta=''; @@ -223,6 +282,16 @@ sub handler { my $xmlheader=''; my $xmlbody=''; +# ---------------------------------------------------------- Handle Done button + + # Set the event timer to zero if the "done button" was clicked. + if ($donetime && $symbtosetdone) { + &Apache::lonparmset::storeparm_by_symb_inner($symbtosetdone,'0_interval', + 2,$donetime,'date_interval', + $name,$domain); + undef($env{'form.LC_interval_done'}); + } + # --------------------------------------------- Get SSI output, post parameters for ($i=0;$i<=$#rows;$i++) { @@ -232,40 +301,79 @@ sub handler { $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); foreach (@colcont) { my $src=$hash{'src_'.$_}; - $src=~/\.(\w+)$/; - $metalink{$_}=$src.'.meta'; - $cellemb{$_}=Apache::loncommon::fileembstyle($1); - if ($cellemb{$_} eq 'ssi') { + my $plainsrc = $src; + my ($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,$src); + unless ($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! +ENDEXT + } + } elsif ($cellemb{$_} eq 'ssi') { # --------------------------------------------------------- This is an SSI cell - 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 $prefix='p_'.$_.'_'; + my $idprefix='p_'.join('_',($mapid,$resid,'')); + my %posthash=('request.prefix' => $prefix, + 'LONCAPA_INTERNAL_no_discussion' => 'true', + 'symb' => $symb); + if (($env{'form.grade_target'} eq 'tex') || + ($env{'form.answer_output_mode'} 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'}; + $posthash{'answer_output_mode'} = $env{'form.answer_output_mode'}; } - if (($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'})) { + $posthash{'all_submit'}='yes'; + } + } + if ($env{'environment.remote'} eq 'on') { + $posthash{'inhibitmenu'} = 'yes'; + } my $output=Apache::lonnet::ssi($src,%posthash); - $output=~ - s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; - if ($target eq 'tex') { - $output =~ s/^([^&]+)\\begin{document}//; - $output =~ s/\\end{document}//; - $output = '\parbox{\minipagewidth}{ '.$output.' }'; + $output=~s|//(\s*)?\s||gs; + if (($target eq 'tex') || ($target eq 'tex_answer')) { + $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; @@ -322,15 +430,153 @@ sub handler { } $output=~s/\<\/body\>.*//si; if ($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; + $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/(\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