[BACK]Return to lonwrapper.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / rat
File:  [LON-CAPA] / rat / lonwrapper.pm
Revision 1.21: download - view: text, annotated - select for diffs
Tue Mar 21 21:50:39 2006 UTC (18 years, 1 month ago) by albertel
Branches: MAIN
CVS tags: HEAD
- eliminate wrapper frameset copy and paste

# The LearningOnline Network with CAPA
# Wrapper for external and binary files as standalone resources
#
# $Id: lonwrapper.pm,v 1.21 2006/03/21 21:50:39 albertel Exp $
#
# 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/
#

package Apache::lonwrapper;

use strict;
use Apache::Constants qw(:common);
use Apache::lonnet;
use Apache::lonxml();
use Apache::lonmenu;

# ================================================================ Main Handler

sub simple_menu {
#
# Producing the menu buttons
#
    return '<html><body bgcolor="#FFFFFF">'.
	&Apache::lonmenu::menubuttons(1,'web',1).'</body></html>';

}


sub wrapper {
    my ($topurl,$bottomurl) = @_;

    if ($env{'browser.interface'} eq 'textual') {
#
# ssi-based rendering for text-based interface
#
	return '<html><head>'.
	    &Apache::lonmenu::registerurl(1).
	    '</head><body bgcolor="#FFFFFF">'.
	    &Apache::lonmenu::menubuttons(1).
	    &Apache::lonnet::ssi_body($bottomurl).'</body></html>';
    }

    my $events='onLoad="'.&Apache::lonmenu::loadevents.
	'" onUnload="'.&Apache::lonmenu::unloadevents.'"';
    my $script=&Apache::lonmenu::registerurl(1,undef);
    
    my $result = <<ENDDOCUMENTINL;
<html>
<head>
$script
</head>
ENDDOCUMENTINL

    if ($env{'environment.remote'} eq 'off') {
#
# This is inline remote
# 
	$result .= <<ENDDOCUMENTINL;
<frameset rows="180,*" border="0" $events>
<frame src="$topurl">
<frame src="$bottomurl">
</frameset>
ENDDOCUMENTINL
    } else {
#
# frame-based rendering for graphical interface
#
	$result .=<<ENDDOCUMENT;
<frameset rows="1,*" border="0" $events>
<frame src="/adm/rat/empty.html">
<frame src="$bottomurl">
</frameset>
ENDDOCUMENT
    }

    $result .= "\n</html>\n";
}

sub handler {
    my $r=shift;
    &Apache::loncommon::content_type($r,'text/html');
    $r->send_http_header;

    return OK if $r->header_only;

    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
					    ['wrapperdisplay']);
    if ($env{'form.wrapperdisplay'} eq 'menu') {
	$r->print(&simple_menu());
	return OK;
    }

    my $orgurl=$r->uri;
    my $url=$orgurl;
    $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
    $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
    $url=~s/^\/adm\/wrapper//;
    my $is_ext = $url =~ m|^/ext/|;
    $url=~s/^\/ext\//http\:\/\//;
    $url=~s|&colon;|:|g;
#
# Actual URL
#
    if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
#
# This is uploaded homework
#
	$env{'request.state'}='uploaded';
	&Apache::lonhomework::renderpage($r,$url);
    } else {
#
# This is not homework
#
	if ($is_ext) {
	    $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/;
	}
	$url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
	# reappend the query arguments
	$r->print(&wrapper($orgurl,$url));
    } # not just the menu
    return OK;
} # handler

1;
__END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>