version 1.14, 2000/10/19 10:09:59
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version 1.30, 2001/12/17 00:57:59
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Page Handler |
# Page Handler |
# |
# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
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# YEAR=2000 |
# 05/29/00,05/30 Gerd Kortemeyer) |
# 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, |
# 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 Gerd Kortemeyer |
# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16, |
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# YEAR=2001 |
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# 08/13/01,08/30,10/1 Gerd Kortemeyer |
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# 12/16 Scott Harrison |
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# |
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### |
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package Apache::lonpage; |
package Apache::lonpage; |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet(); |
use Apache::lonnet(); |
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use Apache::loncommon(); |
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use Apache::lonxml(); |
use HTML::TokeParser; |
use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
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Line 76 sub tracetable {
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Line 108 sub tracetable {
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if (defined($hash{'to_'.$rid})) { |
if (defined($hash{'to_'.$rid})) { |
my $mincond=1; |
my $mincond=1; |
my $next=''; |
my $next=''; |
map { |
foreach (split(/\,/,$hash{'to_'.$rid})) { |
my $thiscond= |
my $thiscond= |
&Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); |
&Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); |
if ($thiscond>=$mincond) { |
if ($thiscond>=$mincond) { |
Line 87 sub tracetable {
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Line 119 sub tracetable {
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} |
} |
if ($thiscond>$mincond) { $mincond=$thiscond; } |
if ($thiscond>$mincond) { $mincond=$thiscond; } |
} |
} |
} split(/\,/,$hash{'to_'.$rid}); |
} |
map { |
foreach (split(/\,/,$next)) { |
my ($linkid,$condval)=split(/\:/,$_); |
my ($linkid,$condval)=split(/\:/,$_); |
if ($condval>=$mincond) { |
if ($condval>=$mincond) { |
my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere); |
my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere); |
if ($now>$further) { $further=$now; } |
if ($now>$further) { $further=$now; } |
} |
} |
} split(/\,/,$next); |
} |
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} |
} |
} |
} |
Line 148 sub handler {
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Line 180 sub handler {
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for ($i=0;$i<=$#rows;$i++) { |
for ($i=0;$i<=$#rows;$i++) { |
if ($rows[$i]) { |
if ($rows[$i]) { |
my @colcont=split(/\&/,$rows[$i]); |
my @colcont=split(/\&/,$rows[$i]); |
map { |
foreach (@colcont) { |
$symbhash{$hash{'src_'.$_}}=''; |
$symbhash{$hash{'src_'.$_}}=''; |
} @colcont; |
} |
} |
} |
} |
} |
&Apache::lonnet::symblist($requrl,%symbhash); |
&Apache::lonnet::symblist($requrl,%symbhash); |
Line 187 sub handler {
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Line 219 sub handler {
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$contents++; |
$contents++; |
my @colcont=split(/\&/,$rows[$i]); |
my @colcont=split(/\&/,$rows[$i]); |
$lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); |
$lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); |
map { |
foreach (@colcont) { |
my $src=$hash{'src_'.$_}; |
my $src=$hash{'src_'.$_}; |
$src=~/\.(\w+)$/; |
$src=~/\.(\w+)$/; |
$metalink{$_}=$src.'.meta'; |
$metalink{$_}=$src.'.meta'; |
$cellemb{$_}=Apache::lonnet::fileembstyle($1); |
$cellemb{$_}=Apache::loncommon::fileembstyle($1); |
if ($cellemb{$_} eq 'ssi') { |
if ($cellemb{$_} eq 'ssi') { |
# --------------------------------------------------------- This is an SSI cell |
# --------------------------------------------------------- This is an SSI cell |
my $prefix=$_.'_'; |
my $prefix=$_.'_'; |
my %posthash=('request.prefix' => $prefix); |
my %posthash=('request.prefix' => $prefix); |
if (($ENV{'form.'.$prefix.'submit'}) |
if (($ENV{'form.'.$prefix.'submit'}) |
|| ($ENV{'form.all_submit'})) { |
|| ($ENV{'form.all_submit'})) { |
map { |
foreach (keys %ENV) { |
if ($_=~/^form.$prefix/) { |
if ($_=~/^form.$prefix/) { |
my $name=$_; |
my $name=$_; |
$name=~s/^form.$prefix//; |
$name=~s/^form.$prefix//; |
$posthash{$name}=$ENV{$_}; |
$posthash{$name}=$ENV{$_}; |
} |
} |
} keys %ENV; |
} |
} |
} |
my $output=Apache::lonnet::ssi($src,%posthash); |
my $output=Apache::lonnet::ssi($src,%posthash); |
my $parser=HTML::TokeParser->new(\$output); |
my $parser=HTML::TokeParser->new(\$output); |
Line 246 sub handler {
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Line 278 sub handler {
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$xmlbody=$token->[4]; |
$xmlbody=$token->[4]; |
} |
} |
} elsif ($token->[1] eq 'meta') { |
} elsif ($token->[1] eq 'meta') { |
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if ($token->[4] !~ m:/>$:) { |
$allmeta.="\n".$token->[4].'</meta>'; |
$allmeta.="\n".$token->[4].'</meta>'; |
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} else { |
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$allmeta.="\n".$token->[4]; |
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} |
} elsif (($token->[1] eq 'script') && |
} elsif (($token->[1] eq 'script') && |
($bodydef==0)) { |
($bodydef==0)) { |
$allscript.="\n\n" |
$allscript.="\n\n" |
Line 262 sub handler {
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Line 298 sub handler {
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$nforms++; |
$nforms++; |
$output=~s/\<form[^\>]*\>//gsi; |
$output=~s/\<form[^\>]*\>//gsi; |
$output=~s/\<\/form[^\>]*\>//gsi; |
$output=~s/\<\/form[^\>]*\>//gsi; |
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$output=~ |
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s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([\w\.\:]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; |
} |
} |
$thisdir=~s/\/[^\/]*$//; |
$thisdir=~s/\/[^\/]*$//; |
map { |
foreach (@rlinks) { |
unless (($_=~/^http:\/\//i) || |
unless (($_=~/^http:\/\//i) || |
($_=~/^\//)) { |
($_=~/^\//)) { |
my $newlocation= |
my $newlocation= |
&Apache::lonnet::hreflocation($thisdir,$_); |
&Apache::lonnet::hreflocation($thisdir,$_); |
$output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/; |
$output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/; |
} |
} |
} @rlinks; |
} |
$output=~s/\<\s*applet/\<applet codebase=\"$thisdir\" /gi; |
# -------------------------------------------------- Deal with Applet codebases |
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$output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei; |
$ssibody{$_}=$output; |
$ssibody{$_}=$output; |
# ---------------------------------------------------------------- End SSI cell |
# ---------------------------------------------------------------- End SSI cell |
} |
} |
} @colcont; |
} |
} |
} |
} |
} |
unless ($contents) { |
unless ($contents) { |
Line 298 sub handler {
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Line 337 sub handler {
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} |
} |
# ------------------------------------------------------------------------ Head |
# ------------------------------------------------------------------------ Head |
$r->print("\n<head>\n".$allmeta); |
$r->print("\n<head>\n".$allmeta); |
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$allscript=~ |
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s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; |
if ($allscript) { |
if ($allscript) { |
$r->print("\n<script>\n".$allscript."\n</script>\n"); |
$r->print("\n<script language='JavaScript'>\n". |
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$allscript."\n</script>\n"); |
} |
} |
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$r->print(&Apache::lonxml::registerurl(1)); |
$r->print("\n</head>\n"); |
$r->print("\n</head>\n"); |
# ------------------------------------------------------------------ Start body |
# ------------------------------------------------------------------ Start body |
if ($isxml) { |
if ($isxml) { |
$r->print($xmlbody); |
$r->print($xmlbody); |
} else { |
} else { |
$r->print('<body bgcolor="#FFFFFF">'); |
$r->print( |
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'<body bgcolor="#FFFFFF" onLoad="'.&Apache::lonxml::loadevents. |
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'" onUnload="'.&Apache::lonxml::unloadevents.'">'); |
} |
} |
# ------------------------------------------------------------------ Start form |
# ------------------------------------------------------------------ Start form |
if ($nforms) { |
if ($nforms) { |
Line 325 sub handler {
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Line 370 sub handler {
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my $metainfo='<a href="'. |
my $metainfo='<a href="'. |
$metalink{$rid}.'" target="LONcatInfo">'. |
$metalink{$rid}.'" target="LONcatInfo">'. |
'<img src="/adm/lonMisc/cat_button.gif" border=0>'. |
'<img src="/adm/lonMisc/cat_button.gif" border=0>'. |
'</img></a><br></br>'; |
'</img></a>'; |
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if ( |
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($hash{'src_'.$rid}=~/\.(problem|exam|quiz|assess|survey|form)$/) && |
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(&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}))) { |
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my ($mapid,$resid)=split(/\./,$rid); |
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my $symb= |
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&Apache::lonnet::declutter($hash{'map_id_'.$mapid}). |
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'___'.$resid.'___'. |
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&Apache::lonnet::declutter($hash{'src_'.$rid}); |
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$metainfo.= |
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'<a href="/adm/grades?symb='.$symb. |
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'&command=submission" target="LONcatInfo">'. |
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'<img src="/adm/lonMisc/subm_button.gif" border=0>'. |
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'</img></a>'. |
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'<a href="/adm/grades?symb='.$symb. |
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'&command=viewgrades" target="LONcatInfo">'. |
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'<img src="/adm/lonMisc/pgrd_button.gif" border=0>'. |
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'</img></a>'. |
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'<a href="/adm/parmset?symb='.$symb.'" target="LONcatInfo">'. |
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'<img src="/adm/lonMisc/pprm_button.gif" border=0>'. |
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'</img></a>'; |
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} |
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$metainfo.='<br></br>'; |
$r->print('<td colspan="'.$avespan.'"'); |
$r->print('<td colspan="'.$avespan.'"'); |
if ($cellemb{$rid} eq 'ssi') { |
if ($cellemb{$rid} eq 'ssi') { |
if ($ssibgcolor{$rid}) { |
if ($ssibgcolor{$rid}) { |
Line 366 sub handler {
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Line 433 sub handler {
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'<input name="all_submit" value="Submit All" type="'. |
'<input name="all_submit" value="Submit All" type="'. |
(($nforms>1)?'submit':'hidden').'"></input></form>'); |
(($nforms>1)?'submit':'hidden').'"></input></form>'); |
} |
} |
$r->print('</body></html>'); |
$r->print('</body>'.&Apache::lonxml::xmlend()); |
# -------------------------------------------------------------------- End page |
# -------------------------------------------------------------------- End page |
} |
} |
# ------------------------------------------------------------- End render page |
# ------------------------------------------------------------- End render page |
Line 393 sub handler {
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Line 460 sub handler {
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1; |
1; |
__END__ |
__END__ |
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=head1 NAME |
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Apache::lonpage - Page Handler |
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=head1 SYNOPSIS |
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Invoked by /etc/httpd/conf/srm.conf: |
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<LocationMatch "^/res/.*\.page$> |
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SetHandler perl-script |
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PerlHandler Apache::lonpage |
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</LocationMatch> |
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=head1 INTRODUCTION |
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This module renders a .page resource. |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=head1 HANDLER SUBROUTINE |
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This routine is called by Apache and mod_perl. |
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=over 4 |
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=item * |
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set document type for header only |
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=item * |
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tie db file |
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=item * |
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render page |
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=item * |
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add to symb list |
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=item * |
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page parms |
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=item * |
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Get SSI output, post parameters |
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=item * |
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SSI cell rendering |
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=item * |
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Deal with Applet codebases |
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=item * |
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Build page |
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=item * |
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send headers |
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=item * |
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start body |
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=item * |
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start form |
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=item * |
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start table |
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=item * |
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submit element, etc, render page, untie hash |
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=back |
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=head1 OTHER SUBROUTINES |
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=over 4 |
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=item * |
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euclid() : Euclid's method for determining the greatest common denominator. |
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=item * |
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tracetable() : Build page table. |
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=back |
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=cut |
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