version 1.18, 2000/11/13 18:37:27
|
version 1.43, 2002/07/01 15:02:19
|
Line 1
|
Line 1
|
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Page Handler |
# Page Handler |
# |
# |
|
# $Id$ |
|
# |
|
# Copyright Michigan State University Board of Trustees |
|
# |
|
# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
|
# |
|
# LON-CAPA is free software; you can redistribute it and/or modify |
|
# it under the terms of the GNU General Public License as published by |
|
# the Free Software Foundation; either version 2 of the License, or |
|
# (at your option) any later version. |
|
# |
|
# LON-CAPA is distributed in the hope that it will be useful, |
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
# GNU General Public License for more details. |
|
# |
|
# You should have received a copy of the GNU General Public License |
|
# along with LON-CAPA; if not, write to the Free Software |
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
# |
|
# /home/httpd/html/adm/gpl.txt |
|
# |
|
# http://www.lon-capa.org/ |
|
# |
# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
|
# 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, |
# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14 Gerd Kortemeyer |
# 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 |
|
# 12/16 Scott Harrison |
|
# YEAR=2002 |
|
# 03/19 Gerd Kortemeyer |
|
# |
|
### |
|
|
package Apache::lonpage; |
package Apache::lonpage; |
|
|
use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet(); |
use Apache::lonnet(); |
|
use Apache::loncommon(); |
|
use Apache::lonxml(); |
use HTML::TokeParser; |
use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
|
use Apache::lonsequence; |
|
|
# -------------------------------------------------------------- Module Globals |
# -------------------------------------------------------------- Module Globals |
my %hash; |
my %hash; |
Line 76 sub tracetable {
|
Line 111 sub tracetable {
|
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>=$mincond) { |
Line 87 sub tracetable {
|
Line 122 sub tracetable {
|
} |
} |
if ($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(/\,/,$next); |
} |
|
|
} |
} |
} |
} |
Line 112 sub handler {
|
Line 147 sub handler {
|
if ($ENV{'browser.mathml'}) { |
if ($ENV{'browser.mathml'}) { |
$r->content_type('text/xml'); |
$r->content_type('text/xml'); |
} else { |
} else { |
$r->content_type('text/html'); |
$r->content_type('text/html'); |
} |
} |
$r->send_http_header; |
$r->send_http_header; |
return OK; |
return OK; |
} |
} |
|
|
my $requrl=$r->uri; |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
['forceselect','launch']); |
|
my $number_of_columns = 1; |
|
my $requrl=$r->uri; |
|
my $target = $ENV{'form.grade_target'}; |
# ----------------------------------------------------------------- Tie db file |
# ----------------------------------------------------------------- Tie db file |
if ($ENV{'request.course.fn'}) { |
if (($ENV{'request.course.fn'}) && (!$ENV{'form.forceselect'})) { |
my $fn=$ENV{'request.course.fn'}; |
my $fn=$ENV{'request.course.fn'}; |
if (-e "$fn.db") { |
if (-e "$fn.db") { |
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
Line 148 sub handler {
|
Line 187 sub handler {
|
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 {
|
Line 226 sub handler {
|
$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 {
|
Line 285 sub handler {
|
$xmlbody=$token->[4]; |
$xmlbody=$token->[4]; |
} |
} |
} elsif ($token->[1] eq 'meta') { |
} elsif ($token->[1] eq 'meta') { |
|
if ($token->[4] !~ m:/>$:) { |
$allmeta.="\n".$token->[4].'</meta>'; |
$allmeta.="\n".$token->[4].'</meta>'; |
|
} else { |
|
$allmeta.="\n".$token->[4]; |
|
} |
} elsif (($token->[1] eq 'script') && |
} elsif (($token->[1] eq 'script') && |
($bodydef==0)) { |
($bodydef==0)) { |
$allscript.="\n\n" |
$allscript.="\n\n" |
Line 266 sub handler {
|
Line 309 sub handler {
|
s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([\w\.\:]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; |
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) || |
($_=~/^\//)) { |
($_=~/^\//) || |
|
($_=~/^javascript:/i) || |
|
($_=~/^mailto:/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 |
|
$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 ($contents) { |
Line 289 sub handler {
|
Line 336 sub handler {
|
# ------------------------------------------------------------------ Build page |
# ------------------------------------------------------------------ Build page |
|
|
# ---------------------------------------------------------------- Send headers |
# ---------------------------------------------------------------- Send headers |
if ($isxml) { |
unless ($target eq 'tex') { |
$r->content_type('text/xml'); |
if ($isxml) { |
$r->send_http_header; |
$r->content_type('text/xml'); |
$r->print($xmlheader); |
$r->send_http_header; |
} else { |
$r->print($xmlheader); |
$r->content_type('text/html'); |
} else { |
$r->send_http_header; |
$r->content_type('text/html'); |
$r->print('<html>'); |
$r->send_http_header; |
} |
$r->print('<html>'); |
|
} |
# ------------------------------------------------------------------------ Head |
# ------------------------------------------------------------------------ Head |
$r->print("\n<head>\n".$allmeta); |
$r->print("\n<head>\n".$allmeta); |
if ($allscript) { |
$allscript=~ |
$r->print("\n<script>\n".$allscript."\n</script>\n"); |
s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; |
} |
if ($allscript) { |
$r->print("\n</head>\n"); |
$r->print("\n<script language='JavaScript'>\n". |
|
$allscript."\n</script>\n"); |
|
} |
|
$r->print(&Apache::lonxml::registerurl(1,undef)); |
|
$r->print("\n</head>\n"); |
# ------------------------------------------------------------------ Start body |
# ------------------------------------------------------------------ Start body |
if ($isxml) { |
if ($isxml) { |
$r->print($xmlbody); |
$r->print($xmlbody); |
} else { |
} else { |
$r->print('<body bgcolor="#FFFFFF">'); |
$r->print('<body bgcolor="#FFFFFF" onLoad="'.&Apache::lonxml::loadevents.'" onUnload="'.&Apache::lonxml::unloadevents.'">'); |
} |
} |
# ------------------------------------------------------------------ Start form |
# ------------------------------------------------------------------ Start form |
if ($nforms) { |
if ($nforms) { |
$r->print('<form method="post" action="'. |
$r->print('<form method="post" action="'. |
$requrl.'">'); |
$requrl.'">'); |
} |
} |
|
} else { |
|
$r->print('\documentclass[letterpaper]{article} |
|
\newcommand{\keephidden}[1]{} |
|
\usepackage[dvips]{graphicx} |
|
\usepackage{epsfig} |
|
\usepackage{calc} |
|
\usepackage{longtable} |
|
\begin{document}'); |
|
} |
# ----------------------------------------------------------------- Start table |
# ----------------------------------------------------------------- Start table |
$r->print('<table cols="'.$lcm.'" border="0">'); |
if ($target eq 'tex') { |
|
$r->print('\begin{longtable}INSERTTHEHEADOFLONGTABLE\endfirsthead\endhead '); |
|
if ($number_of_columns le $lcm) {$number_of_columns=$lcm;}; |
|
} else { |
|
$r->print('<table cols="'.$lcm.'" border="0">'); |
|
} |
for ($i=0;$i<=$#rows;$i++) { |
for ($i=0;$i<=$#rows;$i++) { |
if ($rows[$i]) { |
if ($rows[$i]) { |
$r->print("\n<tr>"); |
unless ($target eq 'tex') { |
|
$r->print("\n<tr>"); |
|
} |
my @colcont=split(/\&/,$rows[$i]); |
my @colcont=split(/\&/,$rows[$i]); |
my $avespan=$lcm/($#colcont+1); |
my $avespan=$lcm/($#colcont+1); |
for ($j=0;$j<=$#colcont;$j++) { |
for ($j=0;$j<=$#colcont;$j++) { |
Line 327 sub handler {
|
Line 395 sub handler {
|
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><a href="/adm/evaluate?postdata='. |
$r->print('<td colspan="'.$avespan.'"'); |
&Apache::lonnet::escape(&Apache::lonnet::declutter($hash{'src_'.$rid})) |
|
.'" target="LONcatInfo">'. |
|
'<img src="/adm/lonMisc/eval_button.gif" border=0>'. |
|
'</img></a>'; |
|
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}); |
|
$metainfo.= |
|
'<a href="/adm/grades?symb='.&Apache::lonnet::escape($symb). |
|
'&command=submission" target="LONcatInfo">'. |
|
'<img src="/adm/lonMisc/subm_button.gif" border=0>'. |
|
'</img></a>'. |
|
'<a href="/adm/grades?symb='.&Apache::lonnet::escape($symb). |
|
'&command=gradingmenu" target="LONcatInfo">'. |
|
'<img src="/adm/lonMisc/pgrd_button.gif" border=0>'. |
|
'</img></a>'. |
|
'<a href="/adm/parmset?symb='.&Apache::lonnet::escape($symb). |
|
'" target="LONcatInfo">'. |
|
'<img src="/adm/lonMisc/pprm_button.gif" border=0>'. |
|
'</img></a>'; |
|
} |
|
$metainfo.='<br></br>'; |
|
unless ($target eq 'tex') { |
|
$r->print('<td colspan="'.$avespan.'"'); |
|
} |
if ($cellemb{$rid} eq 'ssi') { |
if ($cellemb{$rid} eq 'ssi') { |
if ($ssibgcolor{$rid}) { |
unless ($target eq 'tex') { |
$r->print(' bgcolor="'. |
if ($ssibgcolor{$rid}) { |
$ssibgcolor{$rid}.'"'); |
$r->print(' bgcolor="'. |
} |
$ssibgcolor{$rid}.'"'); |
$r->print('>'.$metainfo.'<font'); |
} |
if ($ssitext{$rid}) { |
$r->print('>'.$metainfo.'<font'); |
$r->print(' text="'.$ssitext{$rid}.'"'); |
|
} |
if ($ssitext{$rid}) { |
if ($ssilink{$rid}) { |
$r->print(' text="'.$ssitext{$rid}.'"'); |
$r->print(' link="'.$ssilink{$rid}.'"'); |
} |
} |
if ($ssilink{$rid}) { |
if ($ssitext{$rid}) { |
$r->print(' link="'.$ssilink{$rid}.'"'); |
$r->print(' vlink="'.$ssivlink{$rid}.'"'); |
} |
} |
if ($ssitext{$rid}) { |
if ($ssialink{$rid}) { |
$r->print(' vlink="'.$ssivlink{$rid}.'"'); |
$r->print(' alink="'.$ssialink{$rid}.'"'); |
} |
|
if ($ssialink{$rid}) { |
|
$r->print(' alink="'.$ssialink{$rid}.'"'); |
|
} |
|
$r->print('>'); |
|
} |
|
$r->print($ssibody{$rid}); |
|
unless ($target eq 'tex') { |
|
$r->print('</font>'); |
} |
} |
|
if ($ENV{'course.'. |
$r->print('>'.$ssibody{$rid}.'</font>'); |
$ENV{'request.course.id'}. |
} elsif ($cellemb{$rid} eq 'img') { |
'.pageseparators'} eq 'yes') { |
|
unless($target eq 'tex') { |
|
$r->print('<hr />'); |
|
} else { |
|
$r->print('\hline'); |
|
} |
|
} |
|
} elsif ($cellemb{$rid} eq 'img') { |
$r->print('>'.$metainfo.'<img src="'. |
$r->print('>'.$metainfo.'<img src="'. |
$hash{'src_'.$rid}.'"></img>'); |
$hash{'src_'.$rid}.'"></img>'); |
} elsif ($cellemb{$rid} eq 'emb') { |
} elsif ($cellemb{$rid} eq 'emb') { |
$r->print('>'.$metainfo.'<embed src="'. |
$r->print('>'.$metainfo.'<embed src="'. |
$hash{'src_'.$rid}.'"></embed>'); |
$hash{'src_'.$rid}.'"></embed>'); |
} |
} |
$r->print('</td>'); |
unless ($target eq 'tex') { |
|
$r->print('</td>'); |
|
} else { |
|
for (my $incol=1;$incol<=$avespan;$incol++) { |
|
$r->print(' & '); |
|
} |
|
} |
} |
} |
$r->print('</tr>'); |
unless ($target eq 'tex') { |
|
$r->print('</tr>'); |
|
} else { |
|
$r->print('REMOVETHEHEADOFLONGTABLE\\\\'); |
|
} |
} |
} |
} |
} |
$r->print("\n</table>"); |
unless ($target eq 'tex') { |
|
$r->print("\n</table>"); |
|
} else { |
|
$r->print('\end{longtable}'); |
|
} |
# ---------------------------------------------------------------- Submit, etc. |
# ---------------------------------------------------------------- Submit, etc. |
if ($nforms) { |
if ($nforms) { |
$r->print( |
$r->print( |
'<input name="all_submit" value="Submit All" type="'. |
'<input name="all_submit" value="Submit All" type="'. |
(($nforms>1)?'submit':'hidden').'"></input></form>'); |
(($nforms>1)?'submit':'hidden').'"></input></form>'); |
} |
} |
$r->print('</body></html>'); |
unless ($target eq 'tex') { |
|
$r->print('</body>'.&Apache::lonxml::xmlend()); |
|
} else { |
|
$r->print('\end{document}'.$number_of_columns); |
|
} |
# -------------------------------------------------------------------- End page |
# -------------------------------------------------------------------- End page |
} |
} |
# ------------------------------------------------------------- End render page |
# ------------------------------------------------------------- End render page |
} else { |
} else { |
$r->content_type('text/html'); |
$r->content_type('text/html'); |
$r->send_http_header; |
$r->send_http_header; |
$r->print('<html><body>Page undefined.</body></html>'); |
&Apache::lonsequence::viewmap($r,$requrl); |
} |
} |
# ------------------------------------------------------------------ Untie hash |
# ------------------------------------------------------------------ Untie hash |
unless (untie(%hash)) { |
unless (untie(%hash)) { |
Line 388 sub handler {
|
Line 518 sub handler {
|
} |
} |
} |
} |
} |
} |
$ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
$r->content_type('text/html'); |
return HTTP_NOT_ACCEPTABLE; |
$r->send_http_header; |
|
&Apache::lonsequence::viewmap($r,$requrl); |
|
return OK; |
} |
} |
|
|
1; |
1; |
__END__ |
__END__ |
|
|
|
=head1 NAME |
|
|
|
Apache::lonpage - Page Handler |
|
|
|
=head1 SYNOPSIS |
|
|
|
Invoked by /etc/httpd/conf/srm.conf: |
|
|
|
<LocationMatch "^/res/.*\.page$> |
|
SetHandler perl-script |
|
PerlHandler Apache::lonpage |
|
</LocationMatch> |
|
|
|
=head1 INTRODUCTION |
|
|
|
This module renders a .page resource. |
|
|
|
This is part of the LearningOnline Network with CAPA project |
|
described at http://www.lon-capa.org. |
|
|
|
=head1 HANDLER SUBROUTINE |
|
|
|
This routine is called by Apache and mod_perl. |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
set document type for header only |
|
|
|
=item * |
|
|
|
tie db file |
|
|
|
=item * |
|
|
|
render page |
|
|
|
=item * |
|
|
|
add to symb list |
|
|
|
=item * |
|
|
|
page parms |
|
|
|
=item * |
|
|
|
Get SSI output, post parameters |
|
|
|
=item * |
|
|
|
SSI cell rendering |
|
|
|
=item * |
|
|
|
Deal with Applet codebases |
|
|
|
=item * |
|
|
|
Build page |
|
|
|
=item * |
|
|
|
send headers |
|
|
|
=item * |
|
|
|
start body |
|
|
|
=item * |
|
|
|
start form |
|
|
|
=item * |
|
|
|
start table |
|
|
|
=item * |
|
|
|
submit element, etc, render page, untie hash |
|
|
|
=back |
|
|
|
=head1 OTHER SUBROUTINES |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
euclid() : Euclid's method for determining the greatest common denominator. |
|
|
|
=item * |
|
|
|
tracetable() : Build page table. |
|
|
|
=back |
|
|
|
=cut |
|
|
|
|
|
|