# The LearningOnline Network with CAPA
# Routines to control the menu
#
# $Id: lonmenu.pm,v 1.231 2007/11/09 20:57:29 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/
#
#
# 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::lonhtmlcommon();
use Apache::loncommon();
use Apache::lonenc();
use Apache::lonlocal;
use LONCAPA qw(:DEFAULT :match);
use vars qw(@desklines %category_names %category_members %category_positions $readdesk);
my @inlineremote;
# ================================================================ Little texts
sub show_course {
my $course = !$env{'user.adv'};
if (!$env{'user.adv'}) {
foreach my $env (keys(%env)) {
next if ($env !~ m/^user\.priv\./);
if ($env !~ m/^user\.priv\.(?:st|cm)/) {
$course = 0;
last;
}
}
}
return $course;
}
sub initlittle {
return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
'nav' => 'Navigate Contents',
'main' => 'Main Menu',
'roles' => (&show_course()?
'Courses':'Roles'),
'docs' => 'Edit Course',
'exit' => 'Exit',
'login' => 'Log In',
'launch' => 'Launch Remote Control',
'groups' => 'Groups',
'gdoc' => 'Group Documents',
);
}
# ============================= This gets called at the top of the body section
sub menubuttons {
my $forcereg=shift;
my $registration=shift;
my $titletable=shift;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['inhibitmenu']);
if (($env{'form.inhibitmenu'} eq 'yes') ||
($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
my %lt=&initlittle();
my $navmaps='';
my $reloadlink='';
my $docs='';
my $groups='';
my $showgroups=0;
my $escurl=&escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
my $escsymb=&escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
$logo = '<td class="LC_top_nav_logo"><a href="/adm/about.html"><img src="'.
$logo.'" alt="LON-CAPA Logo" /></a></td>';
if ($env{'request.state'} eq 'construct') {
if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
my $returnurl = $env{'request.filename'};
$returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
$escurl = &escape($returnurl);
}
}
if ($env{'request.course.id'}) {
my %coursegroups;
my $viewgrps_permission =
&Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
if (!$viewgrps_permission) {
%coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
}
if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
$showgroups = 1;
}
}
if ($env{'browser.interface'} eq 'textual') {
# Textual display only
if ($env{'request.course.id'}) {
$navmaps=(<<ENDNAV);
<a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
ENDNAV
if (&show_return_link()) {
my $escreload=&escape('return:');
$reloadlink=(<<ENDRELOAD);
<a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a>
ENDRELOAD
}
if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
$docs=(<<ENDDOCS);
<a href="/adm/coursedocs" target="_top">$lt{'docs'}</a>
ENDDOCS
}
if ($showgroups) {
$groups =(<<ENDGROUPS);
<a href="/adm/coursegroups" target="_top">$lt{'groups'}</a>
ENDGROUPS
}
}
my $form=&serverform();
my $utility=&utilityfunctions();
my $output=(<<ENDMAINMENU);
<script type="text/javascript">
// BEGIN LON-CAPA Internal
$utility
</script>
<div id="LC_top_nav">
<a href="/adm/menu" target="_top">$lt{'main'}</a>
$reloadlink $navmaps $docs $groups
<a href="/adm/roles" target="_top">$lt{'roles'}</a>
<a href="/adm/logout" target="_top">$lt{'exit'}</a>
</div>
<br />
<script type="text/javascript">
// END LON-CAPA Internal
</script>
$form
ENDMAINMENU
if ($registration) { $output.=&innerregister($forcereg); }
return $output."<hr />";
} elsif ($env{'environment.remote'} eq 'off') {
# Remote Control is switched off
# figure out colors
my %lt=&initlittle();
my $domain=&Apache::loncommon::determinedomain();
my $function =&Apache::loncommon::get_users_function();
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',$domain);
if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
return (<<ENDINLINEMENU);
<table id="LC_top_nav">
<tr>
$logo
<td></td>
<td class="LC_top_nav_login">
<a href="/adm/roles" target="_top">$lt{'login'}</a>
</td>
</tr>
</table>
</font>
ENDINLINEMENU
}
# Do we have a NAV link?
if ($env{'request.course.id'}) {
my $link='/adm/navmaps?postdata='.$escurl.'&postsymb='.
$escsymb;
if ($env{'environment.remotenavmap'} eq 'on') {
$link="javascript:gonav('".$link."')";
}
$navmaps=(<<ENDNAV);
<td><a href="$link" target="_top">$lt{'nav'}</a></td>
ENDNAV
my $is_group = (&Apache::loncommon::course_type() eq 'Group');
if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
my $text = ($is_group) ? $lt{'gdoc'} : $lt{'docs'};
$docs=(<<ENDDOCS);
<td><a href="/adm/coursedocs" target="_top">$text</a></td>
ENDDOCS
}
if ($showgroups) {
$groups =(<<ENDGROUPS);
<td><a href="/adm/coursegroups" target="_top">$lt{'groups'}</a></td>
ENDGROUPS
}
if (&show_return_link()) {
my $escreload=&escape('return:');
$reloadlink=(<<ENDRELOAD);
<td><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></td>
ENDRELOAD
}
}
if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
my $escreload=&escape('return:');
$reloadlink=(<<ENDCRELOAD);
<td><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></td>
ENDCRELOAD
}
my $reg='';
if ($registration) {
$reg=&innerregister($forcereg,$titletable);
}
my $form=&serverform();
my $utility=&utilityfunctions();
my $remote;
if ($env{'user.adv'}) {
$remote = '<td><a href="/adm/remote?action=launch&url='.$escurl.'" target="_top">'.$lt{'launch'}.'</a></td>'
}
my $helplink=&Apache::loncommon::top_nav_help('Help');
return (<<ENDINLINEMENU);
<script type="text/javascript">
// BEGIN LON-CAPA Internal
// <![CDATA[
$utility
// ]]>
</script>
<table id="LC_top_nav">
<tr>
$logo
<td><a href="/adm/menu" target="_top">$lt{'main'}</a></td>
$reloadlink
$navmaps
$docs
$groups
$remote
<td><a href="/adm/roles" target="_top">$lt{'roles'}</a></td>
<td class="LC_top_nav_help">$helplink</td>
<td class="LC_top_nav_exit"><a href="/adm/logout" target="_top">$lt{'exit'}</a></td>
</tr>
</table>
$form
<script type="text/javascript">
// END LON-CAPA Internal
</script>
$reg
ENDINLINEMENU
} else {
return '';
}
}
sub show_return_link {
return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
$env{'request.symb'} eq '')
||
($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
||
(($env{'request.noversionuri'}=~/^\/adm\//) &&
($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
($env{'request.noversionuri'}!~
m[^/adm/.*/(smppg|bulletinboard|aboutme)($|\?)])
));
}
# ====================================== This gets called in the header section
sub registerurl {
my ($forcereg) = @_;
my $result = '';
if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
my $force_title='';
if ($env{'request.state'} eq 'construct') {
$force_title=&Apache::lonxml::display_title();
}
if (($env{'browser.interface'} eq 'textual') ||
($env{'environment.remote'} eq 'off') ||
((($env{'request.publicaccess'}) ||
(!&Apache::lonnet::is_on_map(
&unescape($env{'request.noversionuri'})))) &&
(!$forcereg))) {
return $result.
'<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
}
# Graphical display after login only
if ($env{'request.registered'} && !$forcereg) { return ''; }
$result.=&innerregister($forcereg);
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, $titletable) = @_;
my $result = '';
my ($uname,$thisdisfn);
my $const_space = ($env{'request.state'} eq 'construct');
my $is_const_dir = 0;
if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
$env{'request.registered'} = 1;
my $textinter=($env{'browser.interface'} eq 'textual');
my $noremote=($env{'environment.remote'} eq 'off');
my $textual=($textinter || $noremote);
undef(@inlineremote);
my $reopen=&Apache::lonmenu::reopenmenu();
my $newmail='';
if ($noremote) {
$newmail='<table id="LC_nav_location"><tr>';
}
if (&Apache::lonmsg::newmail()) {
if ($textual) {
$newmail.= '<td class="LC_new_mail">
<a href="/adm/communicate" target="_top">'.
&mt('You have new messages').'</a></td>';
} else {
$newmail= 'swmenu.setstatus("you have","messages");';
}
} elsif (($textual)
&& ($env{'request.symb'})
&& ($env{'request.course.id'})) {
$newmail.= '<td class="LC_current_location">';
my ($mapurl,$rid,$resurl)=
&Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
$newmail.=$env{'course.'.$env{'request.course.id'}.'.description'};
my $maptitle=&Apache::lonnet::gettitle($mapurl);
my $restitle=&Apache::lonnet::gettitle(&Apache::lonnet::symbread());
if ($maptitle && $maptitle ne 'default.sequence') {
$newmail.=', '.$maptitle;
}
if ($restitle) {
$newmail.=': '.$restitle;
}
$newmail.=' </td>';
}
if ($env{'request.state'} eq 'construct') {
$newmail = $titletable;
} else {
if ($noremote) {
$newmail.='</tr></table>';
}
}
my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
my $tablestart=($noremote?'<table id="LC_menubuttons">':'').
($textinter?'<br /><a href="#content">'.&mt('Skip to Content').'</a><br />':'');
my $tableend=($noremote?'</table>':'').($textinter?'<a name="content" />':'');
# =============================================================================
# ============================ This is for URLs that actually can be registered
if (($env{'request.noversionuri'}!~m|^/(res/)*adm/|) || ($forcereg)) {
# -- This applies to homework problems for users with grading privileges
my $crs='/'.$env{'request.course.id'};
if ($env{'request.course.sec'}) {
$crs.='_'.$env{'request.course.sec'};
}
$crs=~s/\_/\//g;
my $hwkadd='';
if ($env{'request.symb'} ne '' &&
$env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
if (&Apache::lonnet::allowed('mgr',$crs)) {
$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
"gocmd('/adm/grades','gradingmenu')",
'Modify user grades for this assessment resource');
} elsif (&Apache::lonnet::allowed('vgr',$crs)) {
$hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
"gocmd('/adm/grades','submission')",
'View user submissions for this assessment resource');
}
}
if ($env{'request.symb'} ne '' &&
&Apache::lonnet::allowed('opa',$crs)) {
$hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
"gocmd('/adm/parmset','set')",
'Modify parameter settings for this 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)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
($top,$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);
my $allowed=0;
my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
if (!$allowed) {
$editbutton=&switch('','',6,1,$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'});
$file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
# Check that the user has permission to edit this resource
($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
if (defined($cfudom)) {
my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
my $allowed=0;
my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
if ($allowed) {
$cfile=$file;
}
}
}
# Finally, turn the button on or off
if ($cfile && !$const_space) {
$editbutton=&switch
('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
"go('".$cfile."');","Edit this resource");
} elsif ($editbutton eq '') {
$editbutton=&clear(6,1);
}
}
###
###
# Prepare the rest of the buttons
my $menuitems;
if ($const_space) {
my ($uname,$thisdisfn) =
($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
if ($currdir =~ m-/$-) {
$is_const_dir = 1;
} else {
$currdir =~ s#[^/]+$##;
my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
my $esc_currdir = &Apache::loncommon::escape_single($currdir);
$menuitems=(<<ENDMENUITEMS);
s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
ENDMENUITEMS
}
} elsif ( defined($env{'request.course.id'}) &&
$env{'request.symb'} ne '' ) {
$menuitems=(<<ENDMENUITEMS);
c&3&1
s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
c&6&3
c&8&1
c&8&2
s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&&1
ENDMENUITEMS
unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
if (!$env{'request.enc'}) {
$menuitems.=(<<ENDREALRES);
s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
ENDREALRES
}
$menuitems.=(<<ENDREALRES);
s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
ENDREALRES
}
}
if ($env{'request.uri'} =~ /^\/res/) {
$menuitems .= (<<ENDMENUITEMS);
s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
ENDMENUITEMS
}
my $buttons='';
foreach (split(/\n/,$menuitems)) {
my ($command,@rest)=split(/\&/,$_);
my $idx=10*$rest[0]+$rest[1];
if (&hidden_button_check() eq 'yes') {
if ($idx == 21 ||$idx == 23) {
$buttons.=&switch('','',@rest);
} else {
$buttons.=&clear(@rest);
}
} else {
if ($command eq 's') {
$buttons.=&switch('','',@rest);
} else {
$buttons.=&clear(@rest);
}
}
}
if ($textual) {
my $addremote=0;
foreach (@inlineremote) { if ($_ ne '') { $addremote=1; } }
my $inlinebuttons='';
if ($addremote) {
# Registered, textual output
if ($env{'browser.interface'} eq 'textual') {
$inlinebuttons=
join('',map { (defined($_)?$_:'') } @inlineremote);
} else {
if ($env{'environment.icons'} eq 'iconsonly') {
$inlinebuttons=(<<ENDARROWSINLINE);
<tr><td>
$inlineremote[21] $inlineremote[23]
ENDARROWSINLINE
if (&hidden_button_check() ne 'yes') {
$inlinebuttons .= (<<ENDINLINEICONS);
$inlineremote[61] $inlineremote[63]
$inlineremote[71] $inlineremote[72] $inlineremote[73]
$inlineremote[81] $inlineremote[82] $inlineremote[83]
$inlineremote[91] $inlineremote[92] $inlineremote[93]</td></tr>
ENDINLINEICONS
}
} else {
if ($inlineremote[21] ne '' || $inlineremote[23] ne '') {
$inlinebuttons=(<<ENDFIRSTLINE);
<tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr>
ENDFIRSTLINE
}
if (&hidden_button_check() ne 'yes') {
foreach my $row (6..9) {
if ($inlineremote[${row}.'1'] ne ''
|| $inlineremote[$row.'2'] ne ''
|| $inlineremote[$row.'3'] ne '') {
$inlinebuttons .= <<"ENDLINE";
<tr><td>$inlineremote["${row}1"]</td><td>$inlineremote["${row}2"]</td><td>$inlineremote["${row}3"]</td></tr>
ENDLINE
}
}
}
}
}
}
$result =(<<ENDREGTEXT);
<script type="text/javascript">
// BEGIN LON-CAPA Internal
</script>
$timesync
$tablestart
$inlinebuttons
$tableend
$newmail
<script type="text/javascript">
// END LON-CAPA Internal
</script>
ENDREGTEXT
# Registered, graphical output
} else {
my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
$requri=&Apache::lonenc::check_encrypt(&unescape($requri));
my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
my $navstatus=&get_nav_status();
my $clearcstr;
if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
$result = (<<ENDREGTHIS);
<script type="text/javascript">
// BEGIN LON-CAPA Internal
var swmenu=null;
function LONCAPAreg() {
swmenu=$reopen;
swmenu.clearTimeout(swmenu.menucltim);
$timesync
$newmail
$buttons
swmenu.currentURL="$requri";
swmenu.reloadURL=swmenu.currentURL+window.location.search;
swmenu.currentSymb="$cursymb";
swmenu.reloadSymb="$cursymb";
swmenu.currentStale=0;
$navstatus
$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(7,2);
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(9,3);clearbut(6,3);$clearcstr',
2000);
}
// END LON-CAPA Internal
</script>
ENDREGTHIS
}
# =============================================================================
} else {
# ========================================== This can or will not be registered
if ($textual) {
# Not registered, textual
$result= (<<ENDDONOTREGTEXT);
ENDDONOTREGTEXT
} else {
# Not registered, graphical
$result = (<<ENDDONOTREGTHIS);
<script type="text/javascript">
// BEGIN LON-CAPA Internal
var swmenu=null;
function LONCAPAreg() {
swmenu=$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.state'} eq 'construct' ||
$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
return 'LONCAPAreg();';
}
sub unloadevents() {
if ($env{'request.state'} eq 'construct' ||
$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
return 'LONCAPAstale();';
}
# ============================================================= Start up remote
sub startupremote {
my ($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 $esclowerurl=&escape($lowerurl);
my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
return(<<ENDREMOTESTARTUP);
<script type="text/javascript">
var timestart;
function wheelswitch() {
if (typeof(document.wheel) != 'undefined') {
if (typeof(document.wheel.spin) != 'undefined') {
var date=new Date();
var waited=Math.round(30-((date.getTime()-timestart)/1000));
document.wheel.spin.value=$message;
}
}
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=$esclowerurl';
}
} else {
wheelswitch();
setTimeout('wait();',200);
}
}
function main() {
canceltim=setTimeout('tim=1;',30000);
window.status='-';
var date=new Date();
timestart=date.getTime();
wait();
}
</script>
ENDREMOTESTARTUP
}
sub setflags() {
return(<<ENDSETFLAGS);
<script type="text/javascript">
menuloaded=0;
tim=0;
</script>
ENDSETFLAGS
}
sub maincall() {
if (($env{'browser.interface'} eq 'textual') ||
($env{'environment.remote'} eq 'off')) { return ''; }
return(<<ENDMAINCALL);
<script type="text/javascript">
main();
</script>
ENDMAINCALL
}
sub load_remote_msg {
my ($lowerurl)=@_;
if (($env{'browser.interface'} eq 'textual') ||
($env{'environment.remote'} eq 'off')) { return ''; }
my $esclowerurl=&escape($lowerurl);
my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
"/adm/remote?action=collapse&url=$esclowerurl");
return(<<ENDREMOTEFORM);
<p>
<form name="wheel">
<input name="spin" type="text" size="60" />
</form>
</p>
<p>$link</p>
ENDREMOTEFORM
}
sub get_menu_name {
my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
$hostid =~ s/\W//g;
return 'LCmenu'.$hostid;
}
# ================================================================= Reopen menu
sub reopenmenu {
if (($env{'browser.interface'} eq 'textual') ||
($env{'environment.remote'} eq 'off')) { return ''; }
my $menuname = &get_menu_name();
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 '<script type="text/javascript">self.name="loncapaclient";</script>';
}
my $menuname = &get_menu_name();
# 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=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
self.name='loncapaclient';
ENDOPEN
return '<script type="text/javascript">'.$returnval.'</script>';
}
# ================================================================== Raw Config
sub clear {
my ($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,$cat,$nobreak)=@_;
$act=~s/\$uname/$uname/g;
$act=~s/\$udom/$udom/g;
$top=&mt($top);
$bot=&mt($bot);
$desc=&mt($desc);
$img=&mt($img);
my $idx=10*$row+$col;
$category_members{$cat}.=':'.$idx;
unless (($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;
$text=~s/\s*\-\s*//gs;
if ($nobreak) {
$inlineremote[$idx]=
'<a href="javascript:'.$act.';">'.$text.'</a>';
} else {
$inlineremote[$idx]="\n<br />".
$desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
}
} else {
# Inline Remote
if ($env{'environment.icons'} ne 'classic') {
$img=~s/\.gif$/\.png/;
}
if ($nobreak==2) { return ''; }
my $text=$top.' '.$bot;
$text=~s/\s*\-\s*//gs;
my $pic=
'<img alt="'.$text.'" src="'.
&Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
'" align="'.($nobreak==3?'right':'left').'" />';
if ($env{'browser.interface'} eq 'faketextual') {
# Accessibility
if ($nobreak==3) {
$inlineremote[$idx]="\n".
'<td class="LC_menubuttons_text" align="right">'.$text.
'</td><td class="LC_menubuttons_img" align="left">'.
'<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
} elsif ($nobreak) {
$inlineremote[$idx]="\n<tr>".
'<td class="LC_menubuttons_img" align="left">'.
'<a href="javascript:'.$act.';">'.$pic.'</a></td>
<td class="LC_menubuttons_text" align="left"><a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$text.'</span></a></td>';
} else {
$inlineremote[$idx]="\n<tr>".
'<td class="LC_menubuttons_img" align="left">'.
'<a href="javascript:'.$act.';">'.$pic.
'</a></td><td class="LC_menubuttons_text" colspan="3">'.
'<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
}
} else {
# Inline Menu
if ($env{'environment.icons'} eq 'iconsonly') {
$inlineremote[$idx]='<a title="'.$desc.'" href="javascript:'.$act.';">'.$pic.'</a>';
} else {
$inlineremote[$idx]=
'<a class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
'<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
}
}
}
return '';
}
sub secondlevel {
my $output='';
my
($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
if ($prt eq 'any') {
$output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
} elsif ($prt=~/^r(\w+)/) {
if ($rol eq $1) {
$output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
}
}
return $output;
}
sub openmenu {
my $menuname = &get_menu_name();
if (($env{'browser.interface'} eq 'textual') ||
($env{'environment.remote'} eq 'off')) { return ''; }
my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
return "window.open(".$nothing.",'".$menuname."');";
}
sub inlinemenu {
undef(@inlineremote);
undef(%category_members);
&rawconfig(1);
my $output='<table id="LC_mainmenu"><tr>';
for (my $col=1; $col<=2; $col++) {
$output.='<td class="LC_mainmenu_column">';
for (my $row=1; $row<=8; $row++) {
foreach my $cat (keys(%category_members)) {
if ($category_positions{$cat} ne "$col,$row") { next; }
$output.='<table id="LC_menubuttons_mainmenu"><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
my %active=();
foreach my $menu_item (split(/\:/,$category_members{$cat})) {
if ($inlineremote[$menu_item]) {
$active{$menu_item}=1;
}
}
foreach my $item (sort(keys(%active))) {
$output.=$inlineremote[$item];
}
$output.='</table>';
}
}
$output.="</td>";
}
$output.="</tr></table>";
return $output;
}
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 $show_course=&show_course();
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 my $line (@desklines) {
my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
$prt=~s/\$uname/$uname/g;
$prt=~s/\$udom/$udom/g;
$prt=~s/\$crs/$crs/g;
$prt=~s/\$requested_domain/$requested_domain/g;
if ($category_names{$cat}!~/\w/) { $cat='oth'; }
my $type = &Apache::loncommon::course_type();
if ($type eq 'Group') {
$desc = &convert_menu_function($desc,$type);
}
if ($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,$cat);
} elsif ($pro eq 'smp') {
unless ($adv) {
$output.=&secondlevel(
$uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
}
} elsif ($pro eq 'adv') {
if ($adv) {
$output.=&secondlevel(
$uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
}
} elsif ($pro eq 'shc') {
if ($show_course) {
$output.=&secondlevel(
$uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
}
} elsif ($pro eq 'nsc') {
if (!$show_course) {
$output.=&secondlevel(
$uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
}
} elsif (($pro=~/^p(\w+)/) && ($prt)) {
if (&Apache::lonnet::allowed($1,$prt)) {
$output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
}
} elsif ($pro eq 'course') {
if ($env{'request.course.fn'}) {
$output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
}
} elsif ($pro =~ /^courseenv_(.*)$/) {
my $key = $1;
if ($env{'course.'.$env{'request.course.id'}.'.'.$key}) {
$output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
}
} elsif ($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,$cat);
}
} elsif ($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'}=~/($match_domain)\/($match_username)$/);
}
$act =~ s/\$caname/$caname/g;
my $home = &Apache::lonnet::homeserver($caname,$cadom);
my $allowed=0;
my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
if ($allowed) {
$output.=&switch($caname,$cadom,
$row,$col,$img,$top,$bot,$act,$desc,$cat);
}
}
}
}
}
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.';";
if (&Apache::lonmsg::newmail()) {
$output.='swmenu.setstatus("you have","messages");';
}
}
return $output;
}
# ======================================================================= Close
sub close {
if (($env{'browser.interface'} eq 'textual') ||
($env{'environment.remote'} eq 'off')) { return ''; }
my $menuname = &get_menu_name();
return(<<ENDCLOSE);
<script type="text/javascript">
window.status='Accessing Remote Control';
menu=window.open("/adm/rat/empty.html","$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 nav_control_js {
my $nav=($env{'environment.remotenavmap'} eq 'on');
return (<<NAVCONTROL);
var w_loncapanav_flag="$nav";
function gonav(url) {
if (w_loncapanav_flag != 1) {
gopost(url,'');
} else {
navwindow=window.open(url,
"loncapanav","height=600,width=400,scrollbars=1");
}
}
NAVCONTROL
}
sub utilityfunctions {
my $caller = shift;
unless (($env{'browser.interface'} eq 'textual') ||
($env{'environment.remote'} eq 'off') || ($caller eq '/adm/menu')) { return ''; }
my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
$currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
my $nav_control=&nav_control_js();
my $start_page_annotate =
&Apache::loncommon::start_page('Annotator',undef,
{'only_body' => 1,
'js_ready' => 1,
'bgcolor' => '#BBBBBB',
'add_entries' => {
'onload' => 'javascript:document.goannotate.submit();'}});
my $end_page_annotate =
&Apache::loncommon::end_page({'js_ready' => 1});
my $start_page_bookmark =
&Apache::loncommon::start_page('Bookmarks',undef,
{'only_body' => 1,
'js_ready' => 1,
'bgcolor' => '#BBBBBB',});
my $end_page_bookmark =
&Apache::loncommon::end_page({'js_ready' => 1});
return (<<ENDUTILITY)
var currentURL="$currenturl";
var reloadURL="$currenturl";
var currentSymb="$currentsymb";
$nav_control
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 gocstr(url,filename) {
if (url == '/adm/cfile?action=delete') {
this.document.cstrdelete.filename.value = filename
this.document.cstrdelete.submit();
return;
}
if (url == '/adm/printout') {
this.document.cstrprint.postdata.value = filename
this.document.cstrprint.curseed.value = 0;
this.document.cstrprint.problemtype.value = 0;
if (this.document.lonhomework) {
if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
}
if (this.document.lonhomework.problemtype) {
if (this.document.lonhomework.problemtype.value) {
this.document.cstrprint.problemtype.value =
this.document.lonhomework.problemtype.value;
} else if (this.document.lonhomework.problemtype.options) {
for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
if (this.document.lonhomework.problemtype.options[i].selected) {
if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') {
this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
}
}
}
}
}
}
this.document.cstrprint.submit();
return;
}
if (url !='') {
this.document.constspace.filename.value = filename;
this.document.constspace.action = url;
this.document.constspace.submit();
}
}
function golist(url) {
if (url!='' && url!= null) {
currentURL = null;
currentSymb= null;
top.location.href=url;
}
}
function catalog_info() {
loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=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,resizable=yes,location=no,menubar=no,toolbar=no');
}
function group_chat(group) {
var url = '/adm/groupchat?group='+group;
var winName = 'LONchat_'+group;
grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
}
function edit_bookmarks() {
go('');
w_BookmarkPal_flag=1;
bookmarkpal=window.open("/adm/bookmarks",
"BookmarkPal", "width=400,height=505,scrollbars=0");
}
function annotate() {
w_Annotator_flag=1;
annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
annotator.document.write(
'$start_page_annotate'
+"<form name='goannotate' target='Annotator' method='post' "
+"action='/adm/annotations'>"
+"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
+"<\\/form>"
+'$end_page_annotate');
annotator.document.close();
}
function set_bookmark() {
go('');
clienttitle=document.title;
clienthref=location.pathname;
w_bmquery_flag=1;
bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
bmquery.document.write(
'$start_page_bookmark'
+"<center><form method='post'"
+" name='newlink' action='/adm/bookmarks' target='bmquery' "
+">\\n <table width=340 height=150 "
+"bgcolor='ffffff' align=center><tr><td>Link Name:<br /><input "
+"type='text' name='title' size=45 value='"+clienttitle+"' />"
+"<br />Address:<br /><input type='text' name='address' size='45' "
+"value='"+clienthref+"' /><br /><center><input type='submit' "
+"value='Save' /> <input type='button' value='Close (no save)' "
+"onclick='javascript:window.close();' /><\\/center><\\/td>"
+"<\\/tr><\\/table><\\/form><\\/center>"
+'$end_page_bookmark' );
bmquery.document.close();
}
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
}
sub constspaceform {
return(<<ENDCONSTSPACEFORM);
<form name="constspace" action="/adm/logout" method="post" target="_top">
<input type="hidden" name="filename" value="" />
</form>
<form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
<input type="hidden" name="action" value="delete" />
<input type="hidden" name="filename" value="" />
</form>
<form name="cstrprint" action="/adm/printout" target="_parent" method="post">
<input type="hidden" name="postdata" value="" />
<input type="hidden" name="curseed" value="" />
<input type="hidden" name="problemtype" value="" />
</form>
ENDCONSTSPACEFORM
}
sub get_nav_status {
my $navstatus="swmenu.w_loncapanav_flag=";
if ($env{'environment.remotenavmap'} eq 'on') {
$navstatus.="1";
} else {
$navstatus.="-1";
}
return $navstatus;
}
#FIXME this needs to move into mydesktab and the other locations
# the text is generated
sub convert_menu_function {
my ($rolename,$type) = @_;
if ($type eq 'Group') {
$rolename =~ s/student/member/g;
$rolename =~ s/group/team/g;
$rolename =~ s/course/group/g;
$rolename =~ s/Course/Group/g;
}
return $rolename;
}
sub hidden_button_check {
my $hidden;
if ($env{'request.course.id'} eq '') {
return;
}
if ($env{'request.role.adv'}) {
return;
}
return &Apache::lonnet::EXT('resource.0.buttonshide');
}
# ================================================================ Main Program
BEGIN {
if (! defined($readdesk)) {
{
my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
if ( CORE::open( my $config,"<$tabfile") ) {
while (my $configline=<$config>) {
$configline=(split(/\#/,$configline))[0];
$configline=~s/^\s+//;
chomp($configline);
if ($configline=~/^cat\:/) {
my @entries=split(/\:/,$configline);
$category_positions{$entries[2]}=$entries[1];
$category_names{$entries[2]}=$entries[3];
} elsif ($configline) {
push(@desklines,$configline);
}
}
CORE::close($config);
}
}
$readdesk='done';
}
}
1;
__END__
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