# The LearningOnline Network with CAPA
# Routines to control the menu
#
# $Id: lonmenu.pm,v 1.82 2003/08/06 17:23:49 www 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/
#
#
# There are two parameters controlling the action of this module:
#
# browser.interface - if this is 'textual', it overrides the second parameter
# and goes to screen reader PDA mode
#
# environment.remote - if this is 'on', the routines controll the remote
# control, otherwise they render the main window controls; ignored it
# browser.interface is 'textual'
#
package Apache::lonmenu;
use strict;
use Apache::lonnet;
use Apache::Constants qw(:common);
use Apache::lonhtmlcommon();
use Apache::loncommon;
use Apache::File;
use vars qw(@desklines $readdesk);
my @inlineremote;
my $font;
my $tabbg;
my $pgbg;
# ============================= This gets called at the top of the body section
sub menubuttons {
my $forcereg=shift;
my $target =shift;
my $registration=shift;
my $navmaps='';
my $reloadlink='';
my $escurl=&Apache::lonnet::escape($ENV{'REQUEST_URI'});
my $escsymb=&Apache::lonnet::escape($ENV{'request.symb'});
if ($ENV{'browser.interface'} eq 'textual') {
# Textual display only
if ($ENV{'request.course.id'}) {
$navmaps=(<<ENDNAV);
<a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">Navigate Contents</a>
ENDNAV
if (($ENV{'REQUEST_URI'}=~/^\/adm\//) &&
($ENV{'REQUEST_URI'}!~/^\/adm\/wrapper\//) &&
($ENV{'REQUEST_URI'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
my $escreload=&Apache::lonnet::escape('return:');
$reloadlink=(<<ENDRELOAD);
<a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">Return to Last Location</font></a>
ENDRELOAD
}
}
my $output=(<<ENDMAINMENU);
<script>
// BEGIN LON-CAPA Internal
</script>
<a href="/adm/menu" target="_top">Main Menu</a>
$reloadlink $navmaps<br />
<script>
// END LON-CAPA Internal
</script>
ENDMAINMENU
if ($registration) { $output.=&innerregister($forcereg,$target); }
return $output."<hr />";
} elsif ($ENV{'environment.remote'} eq 'off') {
# Remote Control is switched off
# figure out colors
my $function='student';
if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
$function='coordinator';
}
if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
$function='admin';
}
if (($ENV{'request.role'}=~/^(au|ca)/) ||
($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
$function='author';
}
my $domain=&Apache::loncommon::determinedomain();
$pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
$tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
$font=&Apache::loncommon::designparm($function.'.font',$domain);
my $link=&Apache::loncommon::designparm($function.'.link',$domain);
my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
# Do we have a NAV link?
if ($ENV{'request.course.id'}) {
$navmaps=(<<ENDNAVREM);
<td bgcolor="$tabbg">
<a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top"><font color="$font">Navigate Contents</font></a></td>
ENDNAVREM
if (($ENV{'REQUEST_URI'}=~/^\/adm\//) &&
($ENV{'REQUEST_URI'}!~/^\/adm\/wrapper\//) &&
($ENV{'REQUEST_URI'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
my $escreload=&Apache::lonnet::escape('return:');
$reloadlink=(<<ENDRELOAD);
<td bgcolor="$tabbg">
<a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">Return to Last Location</font></a></td>
ENDRELOAD
}
}
my $reg='';
if ($registration) {
$reg=&innerregister($forcereg,$target);
}
return (<<ENDINLINEMENU);
<script>
// BEGIN LON-CAPA Internal
</script>
<table bgcolor="$pgbg" width="100%" border="0" cellpadding="3" cellspacing="3">
<tr>
<td bgcolor="$tabbg">
<a href="/adm/menu" target="_top"><font color="$font">Main Menu</font></a>
</td>
$reloadlink
$navmaps
<td bgcolor="$tabbg">
<a href="/adm/remote?action=launch&url=$escurl" target="_top">
<font color="$font">Launch Remote Control</font></a></td>
<td bgcolor="$tabbg">
<img align="right" src="/adm/lonIcons/minilogo.gif" />
<b>LON-CAPA</b></td>
</tr>
</table>
<script>
// END LON-CAPA Internal
</script>
$reg
ENDINLINEMENU
} else {
return '';
}
}
# ====================================== This gets called in the header section
sub registerurl {
my $forcereg=shift;
my $target = shift;
my $result = '';
if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
my $force_title='';
if ($ENV{'request.state'} eq 'construct') {
$force_title=&Apache::lonxml::display_title();
}
if ($target eq 'edit') {
$result .="<script type=\"text/javascript\">\n".
"if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n".
&Apache::loncommon::browser_and_searcher_javascript().
"\n</script>\n";
}
if (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off') ||
((($ENV{'request.publicaccess'}) ||
(!&Apache::lonnet::is_on_map($ENV{'REQUEST_URI'}))) &&
(!$forcereg))) {
return $result.
'<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
}
# Graphical display after login only
if ($Apache::lonxml::registered && !$forcereg) { return ''; }
$result.=&innerregister($forcereg,$target);
return $result.$force_title;
}
# =========== This gets called in order to register a URL, both with the Remote
# =========== and in the body of the document
sub innerregister {
my $forcereg=shift;
my $target = shift;
my $result = '';
if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
$Apache::lonxml::registered=1;
my $textinter=($ENV{'browser.interface'} eq 'textual');
my $noremote=($ENV{'environment.remote'} eq 'off');
my $textual=($textinter || $noremote);
@inlineremote=();
undef @inlineremote;
my $reopen=&Apache::lonmenu::reopenmenu();
my $newmail='';
if ($noremote) {
$newmail='<table bgcolor="'.$pgbg.'" border="0" cellspacing="3" cellpadding="3" width="100%"><tr><td bgcolor="'.$tabbg.'">';
}
if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
my ($mapurl,$rid,$resurl)=split(/\_\_\_/,$ENV{'request.symb'});
$newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
my $maptitle=&Apache::lonnet::gettitle($mapurl);
my $restitle=&Apache::lonnet::gettitle($resurl);
if ($maptitle) {
$newmail.=', '.$maptitle;
}
if ($restitle) {
$newmail.=': '.$restitle;
}
$newmail.=' ';
}
if (&Apache::lonmsg::newmail()) {
$newmail=($textual?
'<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
'swmenu.setstatus("you have","messages");');
}
if ($noremote) {
$newmail.='</td></tr></table>';
}
my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
my $tablestart=($noremote?'<table bgcolor="'.$pgbg.'" border="0" cellspacing="3" cellpadding="3" width="100%">':'');
my $tableend=($noremote?'</table>':'');
# =============================================================================
# ============================ This is for URLs that actually can be registered
if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
# -- This applies to homework problems for users with grading privileges
my $hwkadd='';
if
($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
my $crs='/'.$ENV{'request.course.id'};
if ($ENV{'request.course.sec'}) {
$crs.='_'.$ENV{'request.course.sec'};
}
$crs=~s/\_/\//g;
if (&Apache::lonnet::allowed('vgr',$crs)) {
$hwkadd.=&switch('','',7,1,'subm.gif','view sub-','missions',
"gocmd('/adm/grades','submission')",
'View user submissions for this assessment resource');
}
if (&Apache::lonnet::allowed('mgr',$crs)) {
$hwkadd.=&switch('','',7,2,'pgrd.gif','problem','grades',
"gocmd('/adm/grades','gradingmenu')",
'Modify user grades for this assessment resource');
}
if (&Apache::lonnet::allowed('opa',$crs)) {
$hwkadd.=&switch('','',7,3,'pparm.gif','problem','parms',
"gocmd('/adm/parmset','set')",
'Modify deadlines, etc, for this assessment resource');
}
}
# -- End Homework
###
### Determine whether or not to display the 'cstr' button for this
### resource
###
my $editbutton = '';
if ($ENV{'user.author'}) {
if ($ENV{'request.role'}=~/^(ca|au)/) {
# Set defaults for authors
my ($top,$bottom) = ('con-','struct');
my $action = "go('/priv/".$ENV{'user.name'}."');";
my $cadom = $ENV{'request.role.domain'};
my $caname = $ENV{'user.name'};
my $desc = "Enter my resource construction space";
# Set defaults for co-authors
if ($ENV{'request.role'} =~ /^ca/) {
($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
($top,$bottom) = ('co con-','struct');
$action = "go('/priv/".$caname."');";
$desc = "Enter construction space as co-author";
}
# Check that we are on the correct machine
my $home = &Apache::lonnet::homeserver($caname,$cadom);
if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
$editbutton=&switch
('','',6,1,$top,,$bottom,$action,$desc);
}
}
##
## Determine if user can edit url.
##
my $cfile='';
my $cfuname='';
my $cfudom='';
if ($ENV{'request.filename'}) {
my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
$file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
# Chech that the user has permission to edit this resource
($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
if (defined($cfudom)) {
if (&Apache::lonnet::homeserver($cfuname,$cfudom)
eq $Apache::lonnet::perlvar{'lonHostID'}) {
$cfile=$file;
}
}
}
# Finally, turn the button on or off
if ($cfile) {
$editbutton=&switch
('','',6,1,'cstr.gif','edit','resource',
"go('".$cfile."');","Edit this resource");
} elsif ($editbutton eq '') {
$editbutton=&clear(6,1);
}
}
###
###
# Prepare the rest of the buttons
my $menuitems=(<<ENDMENUITEMS);
c&3&1
s&2&1&back.gif&backward&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
s&2&3&forw.gif&forward&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
c&6&3
c&8&1
c&8&2
s&8&3&prt.gif&prepare&printout&gopost('/adm/printout',currentURL)&Prepare a printable document
s&9&1&sbkm.gif&set&bookmark&set_bookmark()&Set a bookmark for this resource&2
s&9&3&anot.gif&anno-&tations&annotate()&Make notes and annotations about this resource&2
ENDMENUITEMS
unless ($ENV{'REQUEST_URI'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
$menuitems.=(<<ENDREALRES);
s&6&3&catalog.gif&catalog&info&catalog_info()&Show catalog information
s&8&1&eval.gif&evaluate&this&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
s&8&2&fdbk.gif&feedback&discuss&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
ENDREALRES
}
my $buttons='';
foreach (split(/\n/,$menuitems)) {
my ($command,@rest)=split(/\&/,$_);
if ($command eq 's') {
$buttons.=&switch('','',@rest);
} else {
$buttons.=&clear(@rest);
}
}
if ($textual) {
# Registered, textual output
my $utility=&utilityfunctions();
my $form=&serverform();
my $inlinebuttons=
join('',map { (defined($_)?$_:'') } @inlineremote);
$result =(<<ENDREGTEXT);
<script>
// BEGIN LON-CAPA Internal
$utility
</script>
$timesync
$newmail
$tablestart
$inlinebuttons
$tableend
$form
<script>
// END LON-CAPA Internal
</script>
ENDREGTEXT
# Registered, graphical output
} else {
$result = (<<ENDREGTHIS);
<script language="JavaScript">
// BEGIN LON-CAPA Internal
var swmenu=null;
function LONCAPAreg() {
swmenu=$reopen;
swmenu.clearTimeout(swmenu.menucltim);
$timesync
$newmail
$buttons
swmenu.currentURL=window.location.pathname;
swmenu.reloadURL=window.location.pathname+window.location.search;
swmenu.currentSymb="$ENV{'request.symb'}";
swmenu.reloadSymb="$ENV{'request.symb'}";
swmenu.currentStale=0;
$hwkadd
$editbutton
}
function LONCAPAstale() {
swmenu=$reopen
swmenu.currentStale=1;
if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
swmenu.switchbutton
(3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
}
swmenu.clearbut(7,1);
swmenu.clearbut(7,2);
swmenu.clearbut(7,3);
swmenu.menucltim=swmenu.setTimeout(
'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
2000);
}
// END LON-CAPA Internal
</script>
ENDREGTHIS
}
# =============================================================================
} else {
# ========================================== This can or will not be registered
if ($textual) {
# Not registered, textual
$result= (<<ENDDONOTREGTEXT);
ENDDONOTREGTEXT
} else {
# Not registered, graphical
$result = (<<ENDDONOTREGTHIS);
<script language="JavaScript">
// BEGIN LON-CAPA Internal
var swmenu=null;
function LONCAPAreg() {
swmenu=$reopen
$timesync
swmenu.currentStale=1;
swmenu.clearbut(2,1);
swmenu.clearbut(2,3);
swmenu.clearbut(8,1);
swmenu.clearbut(8,2);
swmenu.clearbut(8,3);
if (swmenu.currentURL) {
swmenu.switchbutton
(3,1,'reload.gif','return','location','go(currentURL)');
} else {
swmenu.clearbut(3,1);
}
}
function LONCAPAstale() {
}
// END LON-CAPA Internal
</script>
ENDDONOTREGTHIS
}
# =============================================================================
}
return $result;
}
sub loadevents() {
if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
return 'LONCAPAreg();';
}
sub unloadevents() {
if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
return 'LONCAPAstale();';
}
# ============================================================= Start up remote
sub startupremote {
my ($lowerurl)=@_;
if (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) {
return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
}
#
# The Remote actually gets launched!
#
my $configmenu=&rawconfig();
my $esclowerurl=&Apache::lonnet::escape($lowerurl);
return(<<ENDREMOTESTARTUP);
<script>
function wheelswitch() {
if (window.status=='|') {
window.status='/';
} else {
if (window.status=='/') {
window.status='-';
} else {
if (window.status=='-') {
window.status='\\\\';
} else {
if (window.status=='\\\\') { window.status='|'; }
}
}
}
}
// ---------------------------------------------------------- The wait function
var canceltim;
function wait() {
if ((menuloaded==1) || (tim==1)) {
window.status='Done.';
if (tim==0) {
clearTimeout(canceltim);
$configmenu
window.location='$lowerurl';
} else {
window.location='/adm/remote?action=collapse&url=$esclowerurl';
}
} else {
wheelswitch();
setTimeout('wait();',200);
}
}
function main() {
canceltim=setTimeout('tim=1;',30000);
window.status='-';
wait();
}
</script>
ENDREMOTESTARTUP
}
sub setflags() {
return(<<ENDSETFLAGS);
<script>
menuloaded=0;
tim=0;
</script>
ENDSETFLAGS
}
sub maincall() {
if (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) { return ''; }
return(<<ENDMAINCALL);
<script>
main();
</script>
ENDMAINCALL
}
# ================================================================= Reopen menu
sub reopenmenu {
if (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) { return ''; }
my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
return('window.open('.$nothing.',"'.$menuname.'","",false);');
}
# =============================================================== Open the menu
sub open {
my $returnval='';
if (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) { return ''; }
my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
unless (shift eq 'unix') {
# resizing does not work on linux because of virtual desktop sizes
$returnval.=(<<ENDRESIZE);
if (window.screen) {
self.resizeTo(screen.availWidth-215,screen.availHeight-55);
self.moveTo(190,15);
}
ENDRESIZE
}
$returnval.=(<<ENDOPEN);
window.status='Opening LON-CAPA Remote Control';
var menu=window.open("/res/adm/pages/menu.html","$menuname",
"height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
self.name='loncapaclient';
ENDOPEN
return '<script>'.$returnval.'</script>';
}
# ================================================================== Raw Config
sub clear {
my ($row,$col)=@_;
unless (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) {
return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
} else {
$inlineremote[10*$row+$col]='';
return '';
}
}
# ============================================ Switch a button or create a link
# Switch acts on the javascript that is executed when a button is clicked.
# The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
sub switch {
my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_;
$act=~s/\$uname/$uname/g;
$act=~s/\$udom/$udom/g;
unless (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) {
# Remote
return "\n".
qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
} elsif ($ENV{'browser.interface'} eq 'textual') {
# Accessibility
if ($nobreak==2) { return ''; }
my $text=$top.' '.$bot;
$text=~s/\s*\-\s*//gs;
$inlineremote[10*$row+$col]="\n".($nobreak?' ':'<br />').
'<a href="javascript:'.$act.';">'.$text.'</a> '.
($nobreak?'':$desc);
} else {
# Inline Remote
if ($nobreak==2) { return ''; }
my $text=$top.' '.$bot;
$text=~s/\s*\-\s*//gs;
$inlineremote[10*$row+$col]="\n".
($nobreak==3?'<td width="50%" colspan="2" align="right"':'<tr><td').
' bgcolor="'.$tabbg.'"'.($nobreak==1?' width="50%" colspan="2"':'').
'"><a href="javascript:'.$act.';"><font color="'.$font.'"'.
($nobreak?' size="+1"':'').
'>'.$text.'</font></a></td>'.
($nobreak?'':'<td colspan="3" width="80%"><font color="'.$font.'" size="-1">'.$desc.'</font>').($nobreak!=1?'</tr>':'');
}
return '';
}
sub secondlevel {
my $output='';
my
($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_;
if ($prt eq 'any') {
$output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
} elsif ($prt=~/^r(\w+)/) {
if ($rol eq $1) {
$output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
}
}
return $output;
}
sub openmenu {
my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
if (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) { return ''; }
my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
return "window.open(".$nothing.",'".$menuname."');";
}
sub inlinemenu {
@inlineremote=();
undef @inlineremote;
&rawconfig(1);
return join('',map { (defined($_)?$_:'') } @inlineremote);
}
sub rawconfig {
my $textualoverride=shift;
my $output='';
unless (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) {
$output.=
"window.status='Opening Remote Control';var swmenu=".&openmenu().
"\nwindow.status='Configuring Remote Control ';";
} else {
unless ($textualoverride) { return ''; }
}
my $uname=$ENV{'user.name'};
my $udom=$ENV{'user.domain'};
my $adv=$ENV{'user.adv'};
my $author=$ENV{'user.author'};
my $crs='';
if ($ENV{'request.course.id'}) {
$crs='/'.$ENV{'request.course.id'};
if ($ENV{'request.course.sec'}) {
$crs.='_'.$ENV{'request.course.sec'};
}
$crs=~s/\_/\//g;
}
my $pub=($ENV{'request.state'} eq 'published');
my $con=($ENV{'request.state'} eq 'construct');
my $rol=$ENV{'request.role'};
my $requested_domain = $ENV{'request.role.domain'};
foreach (@desklines) {
my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_);
$prt=~s/\$uname/$uname/g;
$prt=~s/\$udom/$udom/g;
$prt=~s/\$crs/$crs/g;
$prt=~s/\$requested_domain/$requested_domain/g;
if ($pro eq 'clear') {
$output.=&clear($row,$col);
} elsif ($pro eq 'any') {
$output.=&secondlevel(
$uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
} elsif ($pro eq 'smp') {
unless ($adv) {
$output.=&secondlevel(
$uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
}
} elsif ($pro eq 'adv') {
if ($adv) {
$output.=&secondlevel(
$uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc);
}
} elsif (($pro=~/^p(\w+)/) && ($prt)) {
if (&Apache::lonnet::allowed($1,$prt)) {
$output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
}
} elsif ($pro eq 'course') {
if ($ENV{'request.course.fn'}) {
$output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
}
} elsif ($pro =~ /^course_(.*)$/) {
# Check for permissions inside of a course
if (($ENV{'request.course.id'}) &&
(&Apache::lonnet::allowed($1,$ENV{'request.course.id'}.
($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))
)) {
$output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
}
} elsif ($pro eq 'author') {
if ($author) {
if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) ||
(($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) {
# Check that we are on the correct machine
my $cadom=$requested_domain;
my $caname=$ENV{'user.name'};
if ($prt eq 'rca') {
($cadom,$caname)=
($ENV{'request.role'}=~/(\w+)\/(\w+)$/);
}
$act =~ s/\$caname/$caname/g;
my $home = &Apache::lonnet::homeserver($caname,$cadom);
if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
$output.=switch($caname,$cadom,
$row,$col,$img,$top,$bot,$act,$desc);
}
}
}
}
}
unless (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) {
$output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
}
return $output;
}
# ======================================================================= Close
sub close {
if (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) { return ''; }
my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
return(<<ENDCLOSE);
<script>
window.status='Accessing Remote Control';
menu=window.open("/adm/rat/empty.html","$menuname",
"height=350,width=150,scrollbars=no,menubar=no");
window.status='Disabling Remote Control';
menu.active=0;
menu.autologout=0;
window.status='Closing Remote Control';
menu.close();
window.status='Done.';
</script>
ENDCLOSE
}
# ====================================================================== Footer
sub footer {
}
sub utilityfunctions {
unless (($ENV{'browser.interface'} eq 'textual') ||
($ENV{'environment.remote'} eq 'off')) { return ''; }
my $currenturl=$ENV{'REQUEST_URI'};
my $currentsymb=$ENV{'request.symb'};
return (<<ENDUTILITY)
var currentURL="$currenturl";
var reloadURL="$currenturl";
var currentSymb="$currentsymb";
function go(url) {
if (url!='' && url!= null) {
currentURL = null;
currentSymb= null;
window.location.href=url;
}
}
function gopost(url,postdata) {
if (url!='') {
this.document.server.action=url;
this.document.server.postdata.value=postdata;
this.document.server.command.value='';
this.document.server.url.value='';
this.document.server.symb.value='';
this.document.server.submit();
}
}
function gocmd(url,cmd) {
if (url!='') {
this.document.server.action=url;
this.document.server.postdata.value='';
this.document.server.command.value=cmd;
this.document.server.url.value=currentURL;
this.document.server.symb.value=currentSymb;
this.document.server.submit();
}
}
function catalog_info() {
loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizeable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
}
function chat_win() {
lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizeable=yes,location=no,menubar=no,toolbar=no');
}
ENDUTILITY
}
sub serverform {
return(<<ENDSERVERFORM);
<form name="server" action="/adm/logout" method="post" target="_top">
<input type="hidden" name="postdata" value="none" />
<input type="hidden" name="command" value="none" />
<input type="hidden" name="url" value="none" />
<input type="hidden" name="symb" value="none" />
</form>
ENDSERVERFORM
}
# ================================================ Handler when called directly
sub handler {
my $r = shift;
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
my $form=&serverform();
my $bodytag=&Apache::loncommon::bodytag('Main Menu');
my $function='student';
if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
$function='coordinator';
}
if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
$function='admin';
}
if (($ENV{'request.role'}=~/^(au|ca)/) ||
($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
$function='author';
}
my $domain=&Apache::loncommon::determinedomain();
$pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
$tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
$font=&Apache::loncommon::designparm($function.'.font',$domain);
# ---- Print the screen, pretent to be in text mode to generate text-based menu
unless ($ENV{'brower.interface'} eq 'textual') {
$ENV{'environment.remote'}='off';
}
my $utility=&utilityfunctions();
$r->print(<<ENDHEADER);
<html><head>
<title>LON-CAPA Main Menu</title>
<script>
$utility
</script>
</head>
$bodytag
ENDHEADER
$r->print('<table>'.&inlinemenu().'</table>'.$form);
$r->print('</body></html>');
return OK;
}
# ================================================================ Main Program
BEGIN {
if (! defined($readdesk)) {
{
my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
'/mydesk.tab');
while (my $configline=<$config>) {
$configline=(split(/\#/,$configline))[0];
$configline=~s/^\s+//;
chomp($configline);
if ($configline) {
$desklines[$#desklines+1]=$configline;
}
}
}
$readdesk='done';
}
}
1;
__END__
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