Annotation of rat/lonwrapper.pm, revision 1.22

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Wrapper for external and binary files as standalone resources
                      3: #
1.22    ! albertel    4: # $Id: lonwrapper.pm,v 1.21 2006/03/21 21:50:39 albertel Exp $
1.4       www         5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: 
                     29: package Apache::lonwrapper;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
1.18      albertel   33: use Apache::lonnet;
1.2       www        34: use Apache::lonxml();
1.8       www        35: use Apache::lonmenu;
1.1       www        36: 
                     37: # ================================================================ Main Handler
                     38: 
1.21      albertel   39: sub simple_menu {
1.12      www        40: #
                     41: # Producing the menu buttons
                     42: #
1.22    ! albertel   43:     return &Apache::loncommon::start_page('Menu',undef,
        !            44: 					  {'only_body' => 1,
        !            45: 					   'bgcolor'   => '#FFFFFF',}).
        !            46: 	&Apache::lonmenu::menubuttons(1,'web',1).
        !            47: 	&Apache::loncommon::end_page();
1.21      albertel   48: }
                     49: 
                     50: 
                     51: sub wrapper {
                     52:     my ($topurl,$bottomurl) = @_;
1.12      www        53: 
1.21      albertel   54:     if ($env{'browser.interface'} eq 'textual') {
1.12      www        55: #
                     56: # ssi-based rendering for text-based interface
                     57: #
1.22    ! albertel   58: 	return 
        !            59: 	    &Apache::loncommon::start_page('Menu',undef,
        !            60: 					  {'bgcolor'        => '#FFFFFF',
        !            61: 					   'force_register' => 1,
        !            62: 				       }).
        !            63: 	    &Apache::lonnet::ssi_body($bottomurl).
        !            64: 	    &Apache::loncommon::end_page();
1.21      albertel   65:     }
                     66: 
                     67:     my $events='onLoad="'.&Apache::lonmenu::loadevents.
                     68: 	'" onUnload="'.&Apache::lonmenu::unloadevents.'"';
                     69:     
1.22    ! albertel   70:     my $result = &Apache::lonxml::xmlbegin().
        !            71: 	&Apache::loncommon::head(undef,undef,
        !            72: 				 {'force_register' => 1});
        !            73:   
1.21      albertel   74:     if ($env{'environment.remote'} eq 'off') {
                     75: #
                     76: # This is inline remote
                     77: # 
                     78: 	$result .= <<ENDDOCUMENTINL;
1.20      albertel   79: <frameset rows="180,*" border="0" $events>
1.21      albertel   80: <frame src="$topurl">
                     81: <frame src="$bottomurl">
1.12      www        82: </frameset>
                     83: ENDDOCUMENTINL
1.21      albertel   84:     } else {
1.9       www        85: #
                     86: # frame-based rendering for graphical interface
                     87: #
1.21      albertel   88: 	$result .=<<ENDDOCUMENT;
1.20      albertel   89: <frameset rows="1,*" border="0" $events>
1.2       www        90: <frame src="/adm/rat/empty.html">
1.21      albertel   91: <frame src="$bottomurl">
1.1       www        92: </frameset>
                     93: ENDDOCUMENT
1.21      albertel   94:     }
                     95: 
                     96:     $result .= "\n</html>\n";
                     97: }
                     98: 
                     99: sub handler {
                    100:     my $r=shift;
                    101:     &Apache::loncommon::content_type($r,'text/html');
                    102:     $r->send_http_header;
                    103: 
                    104:     return OK if $r->header_only;
                    105: 
                    106:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    107: 					    ['wrapperdisplay']);
                    108:     if ($env{'form.wrapperdisplay'} eq 'menu') {
                    109: 	$r->print(&simple_menu());
                    110: 	return OK;
                    111:     }
                    112: 
                    113:     my $orgurl=$r->uri;
                    114:     my $url=$orgurl;
                    115:     $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
                    116:     $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
                    117:     $url=~s/^\/adm\/wrapper//;
                    118:     my $is_ext = $url =~ m|^/ext/|;
                    119:     $url=~s/^\/ext\//http\:\/\//;
                    120:     $url=~s|&colon;|:|g;
                    121: #
                    122: # Actual URL
                    123: #
                    124:     if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
                    125: #
                    126: # This is uploaded homework
                    127: #
                    128: 	$env{'request.state'}='uploaded';
                    129: 	&Apache::lonhomework::renderpage($r,$url);
                    130:     } else {
                    131: #
                    132: # This is not homework
                    133: #
                    134: 	if ($is_ext) {
                    135: 	    $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/;
                    136: 	}
                    137: 	$url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
                    138: 	# reappend the query arguments
                    139: 	$r->print(&wrapper($orgurl,$url));
                    140:     } # not just the menu
                    141:     return OK;
1.13      www       142: } # handler
1.1       www       143: 
                    144: 1;
                    145: __END__
                    146: 
                    147: 
                    148: 
                    149: 
                    150: 
                    151: 
                    152: 

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