File:  [LON-CAPA] / loncom / interface / lonmenu.pm
Revision 1.275: download - view: text, annotated - select for diffs
Mon Jul 13 08:24:21 2009 UTC (14 years, 10 months ago) by www
Branches: MAIN
CVS tags: HEAD
Saving my work: lonmenu cleanup; more weird little menus should be controlled
by mydesk.tab

    1: # The LearningOnline Network with CAPA
    2: # Routines to control the menu
    3: #
    4: # $Id: lonmenu.pm,v 1.275 2009/07/13 08:24:21 www Exp $
    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: #
   28: #
   29: # There is one parameter controlling the action of this module:
   30: #
   31: # environment.remote - if this is 'on', the routines controll the remote
   32: # control, otherwise they render the main window controls; 
   33: 
   34: =head1 NAME
   35: 
   36: Apache::lonmenu
   37: 
   38: =head1 SYNOPSIS
   39: 
   40: Coordinates the response to clicking an image.
   41: 
   42: This is part of the LearningOnline Network with CAPA project
   43: described at http://www.lon-capa.org.
   44: 
   45: =head1 SUBROUTINES
   46: 
   47: =over
   48: 
   49: Little texts
   50: 
   51: =item initlittle()
   52: 
   53: =item menubuttons()
   54: 
   55: This gets called at the top of the body section
   56: 
   57: =item show_return_link()
   58: 
   59: =item registerurl()
   60: 
   61: This gets called in the header section
   62: 
   63: =item innerregister()
   64: 
   65: This gets called in order to register a URL, both with the Remote
   66: and in the body of the document
   67: 
   68: =item loadevents()
   69: 
   70: =item unloadevents()
   71: 
   72: =item startupremote()
   73: 
   74: =item setflags()
   75: 
   76: =item maincall()
   77: 
   78: =item load_remote_msg()
   79: 
   80: =item get_menu_name()
   81: 
   82: =item reopenmenu()
   83: 
   84: =item open()
   85: 
   86: Open the menu
   87: 
   88: =item clear()
   89: 
   90: =item switch()
   91: 
   92: Switch a button or create a link
   93: Switch acts on the javascript that is executed when a button is clicked.  
   94: The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
   95: 
   96: =item secondlevel()
   97: 
   98: =item openmenu()
   99: 
  100: =item inlinemenu()
  101: 
  102: =item rawconfig()
  103: 
  104: =item close()
  105: 
  106: =item footer()
  107: 
  108: =item utilityfunctions()
  109: 
  110: =item serverform()
  111: 
  112: =item constspaceform()
  113: 
  114: =item get_nav_status()
  115: 
  116: =item convert_menu_function()
  117: 
  118: FIXME this needs to move into mydesktab and the other locations 
  119: the text is generated
  120: 
  121: =item hidden_button_check()
  122: 
  123: =item roles_selector()
  124: 
  125: =item jump_to_role()
  126: 
  127: =back
  128: 
  129: =cut
  130: 
  131: package Apache::lonmenu;
  132: 
  133: use strict;
  134: use Apache::lonnet;
  135: use Apache::lonhtmlcommon();
  136: use Apache::loncommon();
  137: use Apache::lonenc();
  138: use Apache::lonlocal;
  139: use LONCAPA qw(:DEFAULT :match);
  140: 
  141: use vars qw(@desklines %category_names %category_members %category_positions $readdesk);
  142: 
  143: 
  144: my @inlineremote;
  145: 
  146: #
  147: # This routine returns a translated hash for the menu items in the top inline menu row
  148: # Probably should be in mydesk.tab
  149: 
  150: sub initlittle {
  151:     return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
  152: 				       'nav' => 'Navigate Contents',
  153: 				       'main' => 'Main Menu',
  154:                                        'roles' => (&Apache::loncommon::show_course()?
  155:                                                     'Courses':'Roles'),
  156:                                        'other' => 'Other Roles',
  157:                                        'docs' => 'Edit Course',
  158:                                        'exit' => 'Logout',
  159:                                        'login' => 'Log In',
  160: 				       'launch' => 'Launch Remote Control',
  161:                                        'groups' => 'Groups',
  162:                                        'gdoc' => 'Group Documents',
  163:                                        );
  164: }
  165: 
  166: sub menubuttons {
  167:     my $forcereg=shift;
  168:     my $registration=shift;
  169:     my $titletable=shift;
  170: #
  171: # Early-out for pages that should not have a menu, triggered by query string "inhibitmenu=yes"
  172: #
  173:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  174: 					    ['inhibitmenu']);
  175:     if (($env{'form.inhibitmenu'} eq 'yes') ||
  176:         ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
  177: 
  178:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  179: 
  180:     my %lt=&initlittle();
  181:     my $navmaps='';
  182:     my $reloadlink='';
  183:     my $docs='';
  184:     my $groups='';
  185:     my $roles='<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
  186:     my $role_selector;
  187:     my $showgroups=0;
  188:     my ($cnum,$cdom);
  189: #
  190: # if the URL is hidden, symbs and the non-versioned version of the URL would be encrypted
  191: #
  192:     my $escurl=&escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
  193:     my $escsymb=&escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
  194: 
  195:     my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
  196:     $logo = '<a href="/adm/about.html"><img src="'.
  197: 	$logo.'" alt="LON-CAPA Logo" class="LC_noBorder" /></a>';
  198: 
  199:     if ($env{'request.state'} eq 'construct') {
  200: #
  201: # We are in construction space
  202: #
  203:         if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
  204:             my $returnurl = $env{'request.filename'};
  205:             $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
  206:             $escurl = &escape($returnurl);
  207:         }
  208:     }
  209:     if ($env{'request.course.id'}) {
  210: #
  211: # We are in a course
  212: #
  213:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  214:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  215:         my %coursegroups;
  216:         my $viewgrps_permission =
  217: 	    &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
  218:         if (!$viewgrps_permission) {
  219:             %coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$cdom,$cnum);
  220: 	}
  221:         if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
  222:             $showgroups = 1;
  223:         }
  224:         $role_selector = &roles_selector($cdom,$cnum);
  225:         if ($role_selector) {
  226:             $roles = '<span class="LC_nobreak">'.$role_selector.'&nbsp;&nbsp;<a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></span>';
  227:         }
  228:     }
  229: 
  230:     if ($env{'environment.remote'} eq 'off') {
  231: # Remote Control is switched off
  232: # figure out colors
  233:         my %lt=&initlittle();
  234: 
  235:         my $domain=&Apache::loncommon::determinedomain();
  236:         my $function =&Apache::loncommon::get_users_function();
  237:         my $link=&Apache::loncommon::designparm($function.'.link',$domain);
  238:         my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
  239:         my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
  240:         my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
  241: 
  242:         if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
  243:             return (<<ENDINLINEMENU);
  244:             <ol class="LC_smallMenu LC_right">
  245:                 <li>$logo</li>
  246:                 <li><a href="/adm/roles" target="_top">$lt{'login'}</a></li>
  247:             </ol>
  248:             <hr />
  249: ENDINLINEMENU
  250:         }
  251:         $roles = '<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
  252: # Do we have a NAV link?
  253:         if ($env{'request.course.id'}) {
  254: 	    my $link='/adm/navmaps?postdata='.$escurl.'&amp;postsymb='.
  255: 		$escsymb;
  256: 	    if ($env{'environment.remotenavmap'} eq 'on') {
  257: 		$link="javascript:gonav('".$link."')";
  258: 	    }
  259: 	    $navmaps=(<<ENDNAV);
  260: <li><a href="$link" target="_top">$lt{'nav'}</a></li>
  261: ENDNAV
  262:             my $is_group = (&Apache::loncommon::course_type() eq 'Group');
  263: 	    if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  264:                 my $text = ($is_group) ? $lt{'gdoc'} : $lt{'docs'};
  265: 		$docs=(<<ENDDOCS);
  266: <li><a href="/adm/coursedocs" target="_top">$text</a></li>
  267: ENDDOCS
  268:             }
  269:             if ($showgroups) {
  270:                 $groups =(<<ENDGROUPS);
  271: <li><a href="/adm/coursegroups" target="_top">$lt{'groups'}</a></li>
  272: ENDGROUPS
  273:             }
  274: 	    if (&show_return_link()) {
  275:                 my $escreload=&escape('return:');
  276:                 $reloadlink=(<<ENDRELOAD);
  277: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
  278: ENDRELOAD
  279:             }
  280:             if ($role_selector) {
  281:             	#$roles = '<td>'.$role_selector.'</td><td><a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></td>';
  282: 				$role_selector = '<li>'.$role_selector.'</li>';
  283:             }
  284:         }
  285: 	if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
  286: 	    my $escreload=&escape('return:');
  287: 	    $reloadlink=(<<ENDCRELOAD);
  288: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
  289: ENDCRELOAD
  290:         }
  291:         my $reg='';
  292:         if ($registration) {
  293:            $reg=&innerregister($forcereg,$titletable);
  294:         }
  295:         my $form=&serverform();
  296: 	my $utility=&utilityfunctions();
  297: 
  298: 	my $messagelink = "";
  299: 	if(&Apache::lonmsg::mynewmail()){
  300: 		$messagelink = '<a href="javascript:go(\'/adm/communicate\');">Message(new)</a>'
  301: 	}else{
  302: 		$messagelink = '<a href="javascript:go(\'/adm/communicate\');">Message</a>'
  303: 	}
  304:         my $helplink=&Apache::loncommon::top_nav_help('Help');
  305: 	return (<<ENDINLINEMENU);
  306: <script type="text/javascript">
  307: // BEGIN LON-CAPA Internal
  308: // <![CDATA[
  309: $utility
  310: // ]]>
  311: </script>
  312: <ol class="LC_smallMenu LC_right">
  313: 	<li>$logo</li>
  314: 	<li>$messagelink</li>
  315: 	<li>$roles</li>
  316: 	<li>$helplink</li>
  317: 	<li><a href="/adm/logout" target="_top">$lt{'exit'}</a></li>
  318: </ol>
  319: <ul id="LC_TabMainMenuContent">
  320: <li><a href="/adm/menu" target="_top">$lt{'main'}</a></li>
  321: $reloadlink
  322: $navmaps
  323: $docs
  324: $groups
  325: $role_selector
  326: </ul>
  327: $form
  328: <script type="text/javascript">
  329: // END LON-CAPA Internal
  330: </script>
  331: $reg
  332: ENDINLINEMENU
  333:     } else {
  334: 	return '';
  335:     }
  336: }
  337: 
  338: sub show_return_link {
  339:     return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
  340: 	     $env{'request.symb'} eq '')
  341: 	    ||
  342: 	    ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
  343: 	    ||
  344: 	    (($env{'request.noversionuri'}=~/^\/adm\//) &&
  345: 	     ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
  346: 	     ($env{'request.noversionuri'}!~
  347: 	      m[^/adm/.*/(smppg|bulletinboard|aboutme)($|\?)])
  348: 	     ));
  349: }
  350: 
  351: 
  352: sub registerurl {
  353:     my ($forcereg) = @_;
  354:     my $result = '';
  355:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  356:     my $force_title='';
  357:     if ($env{'request.state'} eq 'construct') {
  358: 	$force_title=&Apache::lonxml::display_title();
  359:     }
  360:     if (($env{'environment.remote'} eq 'off') ||
  361:         ((($env{'request.publicaccess'}) || 
  362:          (!&Apache::lonnet::is_on_map(
  363: 	   &unescape($env{'request.noversionuri'})))) &&
  364:         (!$forcereg))) {
  365:  	return $result.
  366:           '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
  367:     }
  368: # Graphical display after login only
  369:     if ($env{'request.registered'} && !$forcereg) { return ''; }
  370:     $result.=&innerregister($forcereg);
  371:     return $result.$force_title;
  372: }
  373: 
  374: sub innerregister {
  375:     my ($forcereg, $titletable) = @_;
  376:     my $result = '';
  377:     my ($uname,$thisdisfn);
  378:     my $const_space = ($env{'request.state'} eq 'construct');
  379:     my $is_const_dir = 0;
  380: 
  381:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  382: 
  383:     $env{'request.registered'} = 1;
  384: 
  385:     my $noremote = ($env{'environment.remote'} eq 'off');
  386:     
  387:     undef(@inlineremote);
  388: 
  389:     my $reopen=&Apache::lonmenu::reopenmenu();
  390: 
  391:     my $newmail='';
  392:     my $breadcrumb;
  393: 
  394:     if (&Apache::lonmsg::newmail() && !$noremote) { 
  395:         # We have new mail and remote is up
  396:         $newmail= 'swmenu.setstatus("you have","messages");';
  397:     } 
  398:     if ($noremote
  399: 	     && ($env{'request.symb'}) 
  400: 	     && ($env{'request.course.id'})) {
  401: 
  402:         my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
  403:         my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
  404: 
  405:         my $maptitle = &Apache::lonnet::gettitle($mapurl);
  406:         my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
  407:         my @crumbs = ({text  => "Course Content", 
  408:                        href  => "Javascript:gonav('/adm/navmaps')"}, 
  409:                       {text  => '...',
  410:                        no_mt => 1});
  411: 
  412:         push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
  413:                                                    && $maptitle ne 'default.sequence' 
  414:                                                    && $maptitle ne $coursetitle);
  415: 
  416:         push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
  417: 
  418:         Apache::lonhtmlcommon::clear_breadcrumbs();
  419:         Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
  420:         $breadcrumb .= Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
  421:         #
  422:     }
  423:     if ($env{'request.state'} eq 'construct') {
  424:         $newmail = $titletable;
  425:     } 
  426:     my $timesync   = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
  427:     my $tablestart = ( $noremote ? '<table id="LC_menubuttons">' : '');
  428:     my $tableend   = ( $noremote ? '</table>' : '');
  429: # =============================================================================
  430: # ============================ This is for URLs that actually can be registered
  431:     if (($env{'request.noversionuri'}!~m|^/(res/)*adm/|) || ($forcereg)) {
  432: # -- This applies to homework problems for users with grading privileges
  433: 	my $crs='/'.$env{'request.course.id'};
  434: 	if ($env{'request.course.sec'}) {
  435: 	    $crs.='_'.$env{'request.course.sec'};
  436: 	}
  437: 	$crs=~s/\_/\//g;
  438: 
  439:         my $hwkadd='';
  440:         if ($env{'request.symb'} ne '' &&
  441: 	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
  442: 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
  443: 		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_4]',
  444:                        "gocmd('/adm/grades','gradingmenu')",
  445:                        'Modify user grades for this assessment resource');
  446:             } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
  447: 		$hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
  448:                        "gocmd('/adm/grades','submission')",
  449: 		       'View user submissions for this assessment resource');
  450:             }
  451: 	}
  452: 	if ($env{'request.symb'} ne '' &&
  453: 	    &Apache::lonnet::allowed('opa',$crs)) {
  454: 	    $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
  455: 			     "gocmd('/adm/parmset','set')",
  456: 			     'Modify parameter settings for this resource');
  457: 	}
  458: # -- End Homework
  459:         ###
  460:         ### Determine whether or not to display the 'cstr' button for this
  461:         ### resource
  462:         ###
  463:         my $editbutton = '';
  464:         my $noeditbutton = 1;
  465:         my ($cnum,$cdom);
  466:         if ($env{'request.course.id'}) {
  467:             $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  468:             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  469:         }
  470:         if ($env{'user.author'}) {
  471:             if ($env{'request.role'}=~/^(aa|ca|au)/) {
  472: #
  473: # We have the role of an author
  474: #
  475:                 # Set defaults for authors
  476:                 my ($top,$bottom) = ('con-','struct');
  477:                 my $action = "go('/priv/".$env{'user.name'}."');";
  478:                 my $cadom  = $env{'request.role.domain'};
  479:                 my $caname = $env{'user.name'};
  480:                 my $desc = "Enter my construction space";
  481:                 # Set defaults for co-authors
  482:                 if ($env{'request.role'} =~ /^ca/) { 
  483:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  484:                     ($top,$bottom) = ('co con-','struct');
  485:                     $action = "go('/priv/".$caname."');";
  486:                     $desc = "Enter construction space as co-author";
  487:                 } elsif ($env{'request.role'} =~ /^aa/) {
  488:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  489:                     ($top,$bottom) = ('co con-','struct');
  490:                     $action = "go('/priv/".$caname."');";
  491:                     $desc = "Enter construction space as assistant co-author";
  492:                 }
  493:                 # Check that we are on the correct machine
  494:                 my $home = &Apache::lonnet::homeserver($caname,$cadom);
  495: 		my $allowed=0;
  496: 		my @ids=&Apache::lonnet::current_machine_ids();
  497: 		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  498: 		if (!$allowed) {
  499: 		    $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
  500:                     $noeditbutton = 0;
  501:                 }
  502:             }
  503: #
  504: # We are an author for some stuff, but currently do not have the role of author.
  505: # Figure out if we have authoring privileges for the resource we are looking at.
  506: # This should maybe become a privilege check in lonnet
  507: #
  508:             ##
  509:             ## Determine if user can edit url.
  510:             ##
  511:             my $cfile='';
  512:             my $cfuname='';
  513:             my $cfudom='';
  514:             my $uploaded;
  515:             if ($env{'request.filename'}) {
  516:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  517:                 if (defined($cnum) && defined($cdom)) {
  518:                     $uploaded = &is_course_upload($file,$cnum,$cdom);
  519:                 }
  520:                 if (!$uploaded) {
  521:                     $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
  522:                     # Check that the user has permission to edit this resource
  523:                     ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
  524:                     if (defined($cfudom)) {
  525: 		        my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
  526: 		        my $allowed=0;
  527: 		        my @ids=&Apache::lonnet::current_machine_ids();
  528: 		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  529: 		        if ($allowed) {
  530:                             $cfile=$file;
  531:                         }
  532:                     }
  533:                 }
  534:             }
  535:             # Finally, turn the button on or off
  536:             if ($cfile && !$const_space) {
  537:                 $editbutton=&switch
  538:                     ('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
  539:                      "go('".$cfile."');","Edit this resource");
  540:                 $noeditbutton = 0;
  541:             } elsif ($editbutton eq '') {
  542:                 $editbutton=&clear(6,1);
  543:             }
  544:         }
  545:         if (($noeditbutton) && ($env{'request.filename'})) { 
  546:             if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  547:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  548:                 if (defined($cnum) && defined($cdom)) {
  549:                     if (&is_course_upload($file,$cnum,$cdom)) {
  550:                         my $cfile = &edit_course_upload($file,$cnum,$cdom);
  551:                         if ($cfile) {
  552:                             $editbutton=&switch
  553:                                         ('','',6,1,'pcstr.gif','edit[_1]',
  554:                                          'resource[_2]',"go('".$cfile."');",
  555:                                          'Edit this resource');
  556:                         }
  557:                     }
  558:                 }
  559:             }
  560:         }
  561:         ###
  562:         ###
  563: # Prepare the rest of the buttons
  564:         my $menuitems;
  565:         if ($const_space) {
  566: #
  567: # We are in construction space
  568: #
  569: 	    my ($uname,$thisdisfn) =
  570: 		($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
  571:             my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
  572:             if ($currdir =~ m-/$-) {
  573:                 $is_const_dir = 1;
  574:             } else {
  575:                 $currdir =~ s|[^/]+$||;
  576: 		my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
  577: 		my $esc_currdir = &Apache::loncommon::escape_single($currdir);
  578: #
  579: # Probably should be in mydesk.tab
  580: #
  581:                 $menuitems=(<<ENDMENUITEMS);
  582: s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
  583: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
  584: s&6&3&pub.gif&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
  585: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
  586: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
  587: ENDMENUITEMS
  588:             }
  589:         } elsif ( defined($env{'request.course.id'}) && 
  590: 		 $env{'request.symb'} ne '' ) {
  591: #
  592: # We are in a course and looking at a registred URL
  593: # Should probably be in mydesk.tab
  594: #
  595: 	    $menuitems=(<<ENDMENUITEMS);
  596: c&3&1
  597: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
  598: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
  599: c&6&3
  600: c&8&1
  601: c&8&2
  602: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  603: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
  604: ENDMENUITEMS
  605: 
  606: my $currentURL = &Apache::loncommon::get_symb();
  607: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
  608: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
  609: $menuitems.="s&9&3&";
  610: if(length($annotation) > 0){
  611: 	$menuitems.="anot2.gif";
  612: }else{
  613: 	$menuitems.="anot.gif";
  614: }
  615: $menuitems.="&anno-[_1]&tations[_1]&annotate()&";
  616: $menuitems.="Make notes and annotations about this resource&&1\n";
  617: 
  618:             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
  619: 		if (!$env{'request.enc'}) {
  620: 		    $menuitems.=(<<ENDREALRES);
  621: s&6&3&catalog.gif&catalog[_2]&info[_1]&catalog_info()&Show Metadata
  622: ENDREALRES
  623:                 }
  624: 	        $menuitems.=(<<ENDREALRES);
  625: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
  626: s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
  627: ENDREALRES
  628: 	    }
  629:         }
  630: 	if ($env{'request.uri'} =~ /^\/res/) {
  631: 	    $menuitems .= (<<ENDMENUITEMS);
  632: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  633: ENDMENUITEMS
  634: 	}
  635:         my $buttons='';
  636:         foreach (split(/\n/,$menuitems)) {
  637: 	    my ($command,@rest)=split(/\&/,$_);
  638:             my $idx=10*$rest[0]+$rest[1];
  639:             if (&hidden_button_check() eq 'yes') {
  640:                 if ($idx == 21 ||$idx == 23) {
  641:                     $buttons.=&switch('','',@rest);
  642:                 } else {
  643:                     $buttons.=&clear(@rest);
  644:                 }
  645:             } else {  
  646:                 if ($command eq 's') {
  647: 	            $buttons.=&switch('','',@rest);
  648:                 } else {
  649:                     $buttons.=&clear(@rest);
  650:                 }
  651:             }
  652:         }
  653: 
  654:         if ($noremote) {
  655: 	    my $addremote=0;
  656: 	    foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
  657: 	    my $inlinebuttons='';
  658: 	    if ($addremote) {
  659:             # Registered, textual output
  660:                     if ($env{'environment.icons'} eq 'iconsonly') {
  661:                         $inlinebuttons=(<<ENDARROWSINLINE);
  662: <tr><td>
  663: $inlineremote[21] $inlineremote[23]
  664: ENDARROWSINLINE
  665:                         if (&hidden_button_check() ne 'yes') {
  666:                             $inlinebuttons .= (<<ENDINLINEICONS);
  667: $inlineremote[61] $inlineremote[63]
  668: $inlineremote[71] $inlineremote[72] $inlineremote[73]
  669: $inlineremote[81] $inlineremote[82] $inlineremote[83]
  670: $inlineremote[91] $inlineremote[92] $inlineremote[93]</td></tr>
  671: ENDINLINEICONS
  672:                         }
  673:                     } else {
  674: 			if ($inlineremote[21] ne '' || $inlineremote[23] ne '') {
  675: 			    $inlinebuttons=(<<ENDFIRSTLINE);
  676: <tr><td>$inlineremote[21]</td><td>&nbsp;</td><td>$inlineremote[23]</td></tr>
  677: ENDFIRSTLINE
  678:                         }
  679:                         if (&hidden_button_check() ne 'yes') { 
  680: 			    foreach my $row (6..9) {
  681: 				if ($inlineremote[${row}.'1'] ne ''
  682: 				    || $inlineremote[$row.'2'] ne ''
  683: 				    || $inlineremote[$row.'3'] ne '') {
  684: 				    $inlinebuttons .= <<"ENDLINE";
  685: <tr><td>$inlineremote["${row}1"]</td><td>$inlineremote["${row}2"]</td><td>$inlineremote["${row}3"]</td></tr>
  686: ENDLINE
  687: 				}
  688: 			    }
  689: 			}
  690: 		    }
  691: 	    }
  692: 	    $result =(<<ENDREGTEXT);
  693: <script type="text/javascript">
  694: // BEGIN LON-CAPA Internal
  695: </script>
  696: $timesync
  697: $breadcrumb
  698: $tablestart
  699: $inlinebuttons
  700: $tableend
  701: $newmail
  702: <script type="text/javascript">
  703: // END LON-CAPA Internal
  704: </script>
  705: 
  706: ENDREGTEXT
  707: # Registered, graphical output
  708:         } else {
  709: 	    my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
  710: 	    $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
  711: 	    my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
  712: 	    my $navstatus=&get_nav_status();
  713: 	    my $clearcstr;
  714: 
  715: 	    if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
  716: 	    $result = (<<ENDREGTHIS);
  717:      
  718: <script type="text/javascript">
  719: // BEGIN LON-CAPA Internal
  720: var swmenu=null;
  721: 
  722:     function LONCAPAreg() {
  723: 	  swmenu=$reopen;
  724:           swmenu.clearTimeout(swmenu.menucltim);
  725:           $timesync
  726:           $newmail
  727:           $buttons
  728: 	  swmenu.currentURL="$requri";
  729:           swmenu.reloadURL=swmenu.currentURL+window.location.search;
  730:           swmenu.currentSymb="$cursymb";
  731:           swmenu.reloadSymb="$cursymb";
  732:           swmenu.currentStale=0;
  733: 	  $navstatus
  734:           $hwkadd
  735:           $editbutton
  736:     }
  737: 
  738:     function LONCAPAstale() {
  739: 	  swmenu=$reopen
  740:           swmenu.currentStale=1;
  741:           if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) { 
  742:              swmenu.switchbutton
  743:              (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
  744: 	  }
  745:           swmenu.clearbut(7,2);
  746:           swmenu.clearbut(7,3);
  747:           swmenu.menucltim=swmenu.setTimeout(
  748:  'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
  749:  'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
  750: 			  2000);
  751:       }
  752: 
  753: // END LON-CAPA Internal 
  754: </script>
  755: ENDREGTHIS
  756:         }
  757: # =============================================================================
  758:     } else {
  759: # ========================================== This can or will not be registered
  760:         if ($noremote) {
  761: # Not registered
  762:             $result= (<<ENDDONOTREGTEXT);
  763: ENDDONOTREGTEXT
  764:         } else {
  765: # Not registered, graphical
  766:            $result = (<<ENDDONOTREGTHIS);
  767: 
  768: <script type="text/javascript">
  769: // BEGIN LON-CAPA Internal
  770: var swmenu=null;
  771: 
  772:     function LONCAPAreg() {
  773: 	  swmenu=$reopen
  774:           $timesync
  775:           swmenu.currentStale=1;
  776:           swmenu.clearbut(2,1);
  777:           swmenu.clearbut(2,3);
  778:           swmenu.clearbut(8,1);
  779:           swmenu.clearbut(8,2);
  780:           swmenu.clearbut(8,3);
  781:           if (swmenu.currentURL) {
  782:              swmenu.switchbutton
  783:               (3,1,'reload.gif','return','location','go(currentURL)');
  784:  	  } else {
  785: 	      swmenu.clearbut(3,1);
  786:           }
  787:     }
  788: 
  789:     function LONCAPAstale() {
  790:     }
  791: 
  792: // END LON-CAPA Internal
  793: </script>
  794: ENDDONOTREGTHIS
  795:        }
  796: # =============================================================================
  797:     }
  798:     return $result;
  799: }
  800: 
  801: sub is_course_upload {
  802:     my ($file,$cnum,$cdom) = @_;
  803:     my $uploadpath = &LONCAPA::propath($cdom,$cnum);
  804:     $uploadpath =~ s{^\/}{};
  805:     if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
  806:         ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
  807:         return 1;
  808:     }
  809:     return;
  810: }
  811: 
  812: sub edit_course_upload {
  813:     my ($file,$cnum,$cdom) = @_;
  814:     my $cfile;
  815:     if ($file =~/\.(htm|html|css|js|txt)$/) {
  816:         my $ext = $1;
  817:         my $url = &Apache::lonnet::hreflocation('',$file);
  818:         my $home = &Apache::lonnet::homeserver($cnum,$cdom);
  819:         my @ids=&Apache::lonnet::current_machine_ids();
  820:         my $dest;
  821:         if ($home && grep(/^\Q$home\E$/,@ids)) {
  822:             $dest = $url.'?forceedit=1';
  823:         } else {
  824:             unless (&Apache::lonnet::get_locks()) {
  825:                 $dest = '/adm/switchserver?otherserver='.
  826:                         $home.'&role='.$env{'request.role'}.
  827:                         '&url='.$url.'&forceedit=1';
  828:             }
  829:         }
  830:         if ($dest) {
  831:             $cfile = &HTML::Entities::encode($dest,'"<>&');
  832:         }
  833:     }
  834:     return $cfile;
  835: }
  836: 
  837: sub loadevents() {
  838:     if ($env{'request.state'} eq 'construct' ||
  839: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  840:     return 'LONCAPAreg();';
  841: }
  842: 
  843: sub unloadevents() {
  844:     if ($env{'request.state'} eq 'construct' ||
  845: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  846:     return 'LONCAPAstale();';
  847: }
  848: 
  849: 
  850: sub startupremote {
  851:     my ($lowerurl)=@_;
  852:     if ($env{'environment.remote'} eq 'off') {
  853:      return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
  854:     }
  855: #
  856: # The Remote actually gets launched!
  857: #
  858:     my $configmenu=&rawconfig();
  859:     my $esclowerurl=&escape($lowerurl);
  860:     my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
  861:     return(<<ENDREMOTESTARTUP);
  862: <script type="text/javascript">
  863: var timestart;
  864: function wheelswitch() {
  865:     if (typeof(document.wheel) != 'undefined') {
  866: 	if (typeof(document.wheel.spin) != 'undefined') {
  867: 	    var date=new Date();
  868: 	    var waited=Math.round(30-((date.getTime()-timestart)/1000));
  869: 	    document.wheel.spin.value=$message;
  870: 	}
  871:     }
  872:    if (window.status=='|') { 
  873:       window.status='/'; 
  874:    } else {
  875:       if (window.status=='/') {
  876:          window.status='-';
  877:       } else {
  878:          if (window.status=='-') { 
  879:             window.status='\\\\'; 
  880:          } else {
  881:             if (window.status=='\\\\') { window.status='|'; }
  882:          }
  883:       }
  884:    } 
  885: }
  886: 
  887: // ---------------------------------------------------------- The wait function
  888: var canceltim;
  889: function wait() {
  890:    if ((menuloaded==1) || (tim==1)) {
  891:       window.status='Done.';
  892:       if (tim==0) {
  893:          clearTimeout(canceltim);
  894:          $configmenu
  895:          window.location='$lowerurl';  
  896:       } else {
  897: 	  window.location='/adm/remote?action=collapse&url=$esclowerurl';
  898:       }
  899:    } else {
  900:       wheelswitch();
  901:       setTimeout('wait();',200);
  902:    }
  903: }
  904: 
  905: function main() {
  906:    canceltim=setTimeout('tim=1;',30000);
  907:    window.status='-';
  908:    var date=new Date();
  909:    timestart=date.getTime();
  910:    wait();
  911: }
  912: 
  913: </script>
  914: ENDREMOTESTARTUP
  915: }
  916: 
  917: sub setflags() {
  918:     return(<<ENDSETFLAGS);
  919: <script type="text/javascript">
  920:     menuloaded=0;
  921:     tim=0;
  922: </script>
  923: ENDSETFLAGS
  924: }
  925: 
  926: sub maincall() {
  927:     if ($env{'environment.remote'} eq 'off') { return ''; }
  928:     return(<<ENDMAINCALL);
  929: <script type="text/javascript">
  930:     main();
  931: </script>
  932: ENDMAINCALL
  933: }
  934: 
  935: sub load_remote_msg {
  936:     my ($lowerurl)=@_;
  937: 
  938:     if ($env{'environment.remote'} eq 'off') { return ''; }
  939: 
  940:     my $esclowerurl=&escape($lowerurl);
  941:     my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
  942:                 ,'<a href="/adm/remote?action=collapse&amp;url='.$esclowerurl.'">'
  943:                 ,'</a>');
  944:     return(<<ENDREMOTEFORM);
  945: <p>
  946: <form name="wheel">
  947: <input name="spin" type="text" size="60" />
  948: </form>
  949: </p>
  950: <p>$link</p>
  951: ENDREMOTEFORM
  952: }
  953: 
  954: sub get_menu_name {
  955:     my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
  956:     $hostid =~ s/\W//g;
  957:     return 'LCmenu'.$hostid;
  958: }
  959: 
  960: 
  961: sub reopenmenu {
  962:    if ($env{'environment.remote'} eq 'off') { return ''; }
  963:    my $menuname = &get_menu_name();
  964:    my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
  965:    return('window.open('.$nothing.',"'.$menuname.'","",false);');
  966: } 
  967: 
  968: 
  969: sub open {
  970:     my $returnval='';
  971:     if ($env{'environment.remote'} eq 'off') { 
  972: 	return '<script type="text/javascript">self.name="loncapaclient";</script>';
  973:     }
  974:     my $menuname = &get_menu_name();
  975:     
  976: #    unless (shift eq 'unix') {
  977: # resizing does not work on linux because of virtual desktop sizes
  978: #       $returnval.=(<<ENDRESIZE);
  979: #if (window.screen) {
  980: #    self.resizeTo(screen.availWidth-215,screen.availHeight-55);
  981: #    self.moveTo(190,15);
  982: #}
  983: #ENDRESIZE
  984: #    }
  985:     $returnval.=(<<ENDOPEN);
  986: window.status='Opening LON-CAPA Remote Control';
  987: var menu=window.open("/res/adm/pages/menu.html?inhibitmenu=yes","$menuname",
  988: "height=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
  989: self.name='loncapaclient';
  990: ENDOPEN
  991:     return '<script type="text/javascript">'.$returnval.'</script>';
  992: }
  993: 
  994: 
  995: # ================================================================== Raw Config
  996: 
  997: sub clear {
  998:     my ($row,$col)=@_;
  999:     unless ($env{'environment.remote'} eq 'off') {
 1000:        if (($row<1) || ($row>13)) { return ''; }
 1001:        return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
 1002:    } else { 
 1003:        $inlineremote[10*$row+$col]='';
 1004:        return ''; 
 1005:    }
 1006: }
 1007: 
 1008: # ============================================ Switch a button or create a link
 1009: # Switch acts on the javascript that is executed when a button is clicked.  
 1010: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
 1011: 
 1012: sub switch {
 1013:     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
 1014:     $act=~s/\$uname/$uname/g;
 1015:     $act=~s/\$udom/$udom/g;
 1016:     $top=&mt($top);
 1017:     $bot=&mt($bot);
 1018:     $desc=&mt($desc);
 1019:     if (($env{'environment.remote'} ne 'off') || ($env{'environment.icons'} eq 'classic')) {
 1020:        $img=&mt($img);
 1021:     }
 1022:     my $idx=10*$row+$col;
 1023:     $category_members{$cat}.=':'.$idx;
 1024: 
 1025:     unless ($env{'environment.remote'} eq 'off') {
 1026:        if (($row<1) || ($row>13)) { return ''; }
 1027: # Remote
 1028:        return "\n".
 1029:  qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
 1030:    } else {
 1031: # Inline Remote
 1032:        if ($env{'environment.icons'} ne 'classic') {
 1033:           $img=~s/\.gif$/\.png/;
 1034:        }
 1035:        if ($nobreak==2) { return ''; }
 1036:        my $text=$top.' '.$bot;
 1037:        $text=~s/\s*\-\s*//gs;
 1038: 
 1039:        my $pic=
 1040: 	   '<img alt="'.$text.'" src="'.
 1041: 	   &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
 1042: 	   '" align="'.($nobreak==3?'right':'left').'" class="LC_noBorder" />';
 1043:        if ($env{'browser.interface'} eq 'faketextual') {
 1044: # Main Menu
 1045: 	   if ($nobreak==3) {
 1046: 	       $inlineremote[$idx]="\n".
 1047: 		   '<td class="LC_menubuttons_text" align="right">'.$text.
 1048: 		   '</td><td align="left">'.
 1049: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
 1050: 	   } elsif ($nobreak) {
 1051: 	       $inlineremote[$idx]="\n<tr>".
 1052: 		   '<td align="left">'.
 1053: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td>
 1054:                     <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>';
 1055: 	   } else {
 1056: 	       $inlineremote[$idx]="\n<tr>".
 1057: 		   '<td align="left">'.
 1058: 		   '<a href="javascript:'.$act.';">'.$pic.
 1059: 		   '</a></td><td class="LC_menubuttons_text" colspan="3">'.
 1060: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
 1061: 	   }
 1062:        } else {
 1063: # Inline Menu
 1064:            if ($env{'environment.icons'} eq 'iconsonly') {
 1065:               $inlineremote[$idx]='<a title="'.$desc.'" href="javascript:'.$act.';">'.$pic.'</a>';
 1066:            } else {
 1067: 	      $inlineremote[$idx]=
 1068: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
 1069: 		   '<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
 1070:            }
 1071:        }
 1072:    }
 1073:     return '';
 1074: }
 1075: 
 1076: sub secondlevel {
 1077:     my $output='';
 1078:     my 
 1079:     ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
 1080:     if ($prt eq 'any') {
 1081: 	   $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1082:     } elsif ($prt=~/^r(\w+)/) {
 1083:         if ($rol eq $1) {
 1084:            $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1085:         }
 1086:     }
 1087:     return $output;
 1088: }
 1089: 
 1090: sub openmenu {
 1091:     my $menuname = &get_menu_name();
 1092:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1093:     my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
 1094:     return "window.open(".$nothing.",'".$menuname."');";
 1095: }
 1096: 
 1097: sub inlinemenu {
 1098:     undef(@inlineremote);
 1099:     undef(%category_members);
 1100: # calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control
 1101:     &rawconfig(1);
 1102:     my $output='<table id="LC_mainmenu"><tr>';
 1103:     for (my $col=1; $col<=2; $col++) {
 1104:         $output.='<td class="LC_mainmenu_col_fieldset">';
 1105:         for (my $row=1; $row<=8; $row++) {
 1106:             foreach my $cat (keys(%category_members)) {
 1107:                if ($category_positions{$cat} ne "$col,$row") { next; }
 1108:                #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
 1109:                $output.='<div class="LC_Box">';
 1110: 	       $output.='<h4 class="LC_hcell">'.&mt($category_names{$cat}).'</h4>';
 1111:                $output.='<table>';
 1112:                my %active=();
 1113:                foreach my $menu_item (split(/\:/,$category_members{$cat})) {
 1114:                   if ($inlineremote[$menu_item]) {
 1115:                      $active{$menu_item}=1;
 1116:                   }
 1117:                }  
 1118:                foreach my $item (sort(keys(%active))) {
 1119:                   $output.=$inlineremote[$item];
 1120:                }
 1121:                $output.='</table>';
 1122:                $output.='</div>';
 1123:             }
 1124:          }
 1125:          $output.="</td>";
 1126:     }
 1127:     $output.="</tr></table>";
 1128:     return $output;
 1129: }
 1130: 
 1131: sub rawconfig {
 1132: #
 1133: # This evaluates mydesk.tab
 1134: # Need to add more positions and more privileges to deal with all
 1135: # menu items.
 1136: #
 1137:     my $textualoverride=shift;
 1138:     my $output='';
 1139:     unless ($env{'environment.remote'} eq 'off') {
 1140:        $output.=
 1141:  "window.status='Opening Remote Control';var swmenu=".&openmenu().
 1142: "\nwindow.status='Configuring Remote Control ';";
 1143:     } else {
 1144:        unless ($textualoverride) { return ''; }
 1145:     }
 1146:     my $uname=$env{'user.name'};
 1147:     my $udom=$env{'user.domain'};
 1148:     my $adv=$env{'user.adv'};
 1149:     my $show_course=&Apache::loncommon::show_course();
 1150:     my $author=$env{'user.author'};
 1151:     my $crs='';
 1152:     if ($env{'request.course.id'}) {
 1153:        $crs='/'.$env{'request.course.id'};
 1154:        if ($env{'request.course.sec'}) {
 1155: 	   $crs.='_'.$env{'request.course.sec'};
 1156:        }
 1157:        $crs=~s/\_/\//g;
 1158:     }
 1159:     my $pub=($env{'request.state'} eq 'published');
 1160:     my $con=($env{'request.state'} eq 'construct');
 1161:     my $rol=$env{'request.role'};
 1162:     my $requested_domain = $env{'request.role.domain'};
 1163:     foreach my $line (@desklines) {
 1164:         my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
 1165:         $prt=~s/\$uname/$uname/g;
 1166:         $prt=~s/\$udom/$udom/g;
 1167:         $prt=~s/\$crs/$crs/g; 
 1168:         $prt=~s/\$requested_domain/$requested_domain/g;
 1169:         if ($category_names{$cat}!~/\w/) { $cat='oth'; }
 1170:         my $type = &Apache::loncommon::course_type();
 1171: #
 1172: # I don't think we support this
 1173: #
 1174: #        if ($type eq 'Group') {
 1175: #            $desc = &convert_menu_function($desc,$type);
 1176: #        }
 1177:         if ($pro eq 'clear') {
 1178: 	    $output.=&clear($row,$col);
 1179:         } elsif ($pro eq 'any') {
 1180:                $output.=&secondlevel(
 1181: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1182: 	} elsif ($pro eq 'smp') {
 1183:             unless ($adv) {
 1184:                $output.=&secondlevel(
 1185:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1186:             }
 1187:         } elsif ($pro eq 'adv') {
 1188:             if ($adv) {
 1189:                $output.=&secondlevel(
 1190: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1191:             }
 1192: 	} elsif ($pro eq 'shc') {
 1193:             if ($show_course) {
 1194:                $output.=&secondlevel(
 1195:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1196:             }
 1197:         } elsif ($pro eq 'nsc') {
 1198:             if (!$show_course) {
 1199:                $output.=&secondlevel(
 1200: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1201:             }
 1202:         } elsif (($pro=~/^p(\w+)/) && ($prt)) {
 1203: 	    if (&Apache::lonnet::allowed($1,$prt)) {
 1204:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1205:             }
 1206:         } elsif ($pro eq 'course') {
 1207:             if ($env{'request.course.fn'}) {
 1208:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1209: 	    }
 1210:         } elsif ($pro =~ /^courseenv_(.*)$/) {
 1211:             my $key = $1;
 1212:             if ($env{'course.'.$env{'request.course.id'}.'.'.$key}) {
 1213:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1214:             }
 1215:         } elsif ($pro =~ /^course_(.*)$/) {
 1216:             # Check for permissions inside of a course
 1217:             if (($env{'request.course.id'}) &&
 1218:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1219:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1220:                  )) {
 1221:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1222: 	    }
 1223:         } elsif ($pro eq 'author') {
 1224:             if ($author) {
 1225:                 if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
 1226:                     (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) || 
 1227:                     (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
 1228:                     # Check that we are on the correct machine
 1229:                     my $cadom=$requested_domain;
 1230:                     my $caname=$env{'user.name'};
 1231:                     if (($prt eq 'rca') || ($prt eq 'raa')) {
 1232: 		       ($cadom,$caname)=
 1233:                                ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
 1234:                     }                       
 1235:                     $act =~ s/\$caname/$caname/g;
 1236:                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
 1237: 		    my $allowed=0;
 1238: 		    my @ids=&Apache::lonnet::current_machine_ids();
 1239: 		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
 1240: 		    if ($allowed) {
 1241:                         $output.=&switch($caname,$cadom,
 1242:                                         $row,$col,$img,$top,$bot,$act,$desc,$cat);
 1243:                     }
 1244:                 }
 1245:             }
 1246:         } elsif ($pro eq 'tools') {
 1247:             my @tools = ('aboutme','blog','portfolio');
 1248:             if (grep(/^\Q$prt\E$/,@tools)) {
 1249:                 if (!&Apache::lonnet::usertools_access($env{'user.name'},
 1250:                                                        $env{'user.domain'},
 1251:                                                        $prt,undef,'tools')) {
 1252:                     $output.=&clear($row,$col);
 1253:                     next;
 1254:                 }
 1255:             } elsif ($prt eq 'reqcrs') {
 1256:                 my $showreqcrs = 0;
 1257:                 foreach my $type ('official','unofficial') {
 1258:                     if (&Apache::lonnet::usertools_access($env{'user.name'},
 1259:                                                     $env{'user.domain'},
 1260:                                                     $type,undef,'requestcourses')) {
 1261:                         $showreqcrs = 1;
 1262:                         last;
 1263:                     }
 1264:                 }
 1265:                 if (!$showreqcrs) {
 1266:                     $output.=&clear($row,$col);
 1267:                     next;
 1268:                 }
 1269:             }
 1270:             $prt='any';
 1271:             $output.=&secondlevel(
 1272:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1273:         }
 1274:     }
 1275:     unless ($env{'environment.remote'} eq 'off') {
 1276:        $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
 1277:        if (&Apache::lonmsg::newmail()) { 
 1278: 	   $output.='swmenu.setstatus("you have","messages");';
 1279:        }
 1280:     }
 1281: 
 1282:     return $output;
 1283: }
 1284: 
 1285: # ======================================================================= Close
 1286: 
 1287: sub close {
 1288:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1289:     my $menuname = &get_menu_name();
 1290:     return(<<ENDCLOSE);
 1291: <script type="text/javascript">
 1292: window.status='Accessing Remote Control';
 1293: menu=window.open("/adm/rat/empty.html","$menuname",
 1294:                  "height=350,width=150,scrollbars=no,menubar=no");
 1295: window.status='Disabling Remote Control';
 1296: menu.active=0;
 1297: menu.autologout=0;
 1298: window.status='Closing Remote Control';
 1299: menu.close();
 1300: window.status='Done.';
 1301: </script>
 1302: ENDCLOSE
 1303: }
 1304: 
 1305: # ====================================================================== Footer
 1306: 
 1307: sub footer {
 1308: 
 1309: }
 1310: 
 1311: sub nav_control_js {
 1312:     my $nav=($env{'environment.remotenavmap'} eq 'on');
 1313:     return (<<NAVCONTROL);
 1314:     var w_loncapanav_flag="$nav";
 1315: 
 1316: 
 1317: function gonav(url) {
 1318:    if (w_loncapanav_flag != 1) {
 1319:       gopost(url,'');
 1320:    }  else {
 1321:       navwindow=window.open(url,
 1322:                   "loncapanav","height=600,width=400,scrollbars=1"); 
 1323:    }
 1324: }
 1325: NAVCONTROL
 1326: }
 1327: 
 1328: sub utilityfunctions {
 1329:     my $caller = shift;
 1330:     unless ($env{'environment.remote'} eq 'off' || 
 1331:             $caller eq '/adm/menu') { 
 1332:             return ''; }
 1333:             
 1334:     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
 1335:     $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
 1336:     
 1337:     my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
 1338:     my $nav_control=&nav_control_js();
 1339: 
 1340:     my $start_page_annotate = 
 1341:         &Apache::loncommon::start_page('Annotator',undef,
 1342: 				       {'only_body' => 1,
 1343: 					'js_ready'  => 1,
 1344: 					'bgcolor'   => '#BBBBBB',
 1345: 					'add_entries' => {
 1346: 					    'onload' => 'javascript:document.goannotate.submit();'}});
 1347: 
 1348:     my $end_page_annotate = 
 1349:         &Apache::loncommon::end_page({'js_ready' => 1});
 1350: 
 1351:     my $start_page_bookmark = 
 1352:         &Apache::loncommon::start_page('Bookmarks',undef,
 1353: 				       {'only_body' => 1,
 1354: 					'js_ready'  => 1,
 1355: 					'bgcolor'   => '#BBBBBB',});
 1356: 
 1357:     my $end_page_bookmark = 
 1358:         &Apache::loncommon::end_page({'js_ready' => 1});
 1359: 
 1360: return (<<ENDUTILITY)
 1361: 
 1362:     var currentURL="$currenturl";
 1363:     var reloadURL="$currenturl";
 1364:     var currentSymb="$currentsymb";
 1365: 
 1366: $nav_control
 1367: 
 1368: function go(url) {
 1369:    if (url!='' && url!= null) {
 1370:        currentURL = null;
 1371:        currentSymb= null;
 1372:        window.location.href=url;
 1373:    }
 1374: }
 1375: 
 1376: function gopost(url,postdata) {
 1377:    if (url!='') {
 1378:       this.document.server.action=url;
 1379:       this.document.server.postdata.value=postdata;
 1380:       this.document.server.command.value='';
 1381:       this.document.server.url.value='';
 1382:       this.document.server.symb.value='';
 1383:       this.document.server.submit();
 1384:    }
 1385: }
 1386: 
 1387: function gocmd(url,cmd) {
 1388:    if (url!='') {
 1389:       this.document.server.action=url;
 1390:       this.document.server.postdata.value='';
 1391:       this.document.server.command.value=cmd;
 1392:       this.document.server.url.value=currentURL;
 1393:       this.document.server.symb.value=currentSymb;
 1394:       this.document.server.submit();
 1395:    }
 1396: }
 1397: 
 1398: function gocstr(url,filename) {
 1399:     if (url == '/adm/cfile?action=delete') {
 1400:         this.document.cstrdelete.filename.value = filename
 1401:         this.document.cstrdelete.submit();
 1402:         return;
 1403:     }
 1404:     if (url == '/adm/printout') {
 1405:         this.document.cstrprint.postdata.value = filename
 1406:         this.document.cstrprint.curseed.value = 0;
 1407:         this.document.cstrprint.problemtype.value = 0;
 1408:         if (this.document.lonhomework) {
 1409:             if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
 1410:                 this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
 1411:             }
 1412:             if (this.document.lonhomework.problemtype) {
 1413: 		if (this.document.lonhomework.problemtype.value) {
 1414: 		    this.document.cstrprint.problemtype.value = 
 1415: 			this.document.lonhomework.problemtype.value;
 1416: 		} else if (this.document.lonhomework.problemtype.options) {
 1417: 		    for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
 1418: 			if (this.document.lonhomework.problemtype.options[i].selected) {
 1419: 			    if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
 1420: 				this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
 1421: 				}
 1422: 			}
 1423: 		    }
 1424: 		}
 1425: 	    }
 1426: 	}
 1427:         this.document.cstrprint.submit();
 1428:         return;
 1429:     }
 1430:     if (url !='') {
 1431:         this.document.constspace.filename.value = filename;
 1432:         this.document.constspace.action = url;
 1433:         this.document.constspace.submit();
 1434:     }
 1435: }
 1436: 
 1437: function golist(url) {
 1438:    if (url!='' && url!= null) {
 1439:        currentURL = null;
 1440:        currentSymb= null;
 1441:        top.location.href=url;
 1442:    }
 1443: }
 1444: 
 1445: 
 1446: 
 1447: function catalog_info() {
 1448:    loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1449: }
 1450: 
 1451: function chat_win() {
 1452:    lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1453: }
 1454: 
 1455: function group_chat(group) {
 1456:    var url = '/adm/groupchat?group='+group;
 1457:    var winName = 'LONchat_'+group;
 1458:    grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1459: }
 1460: 
 1461: function edit_bookmarks() {
 1462:    go('');
 1463:    w_BookmarkPal_flag=1;
 1464:    bookmarkpal=window.open("/adm/bookmarks",
 1465:                "BookmarkPal", "width=400,height=505,scrollbars=0");
 1466: }
 1467: 
 1468: function annotate() {
 1469:    w_Annotator_flag=1;
 1470:    annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
 1471:    annotator.document.write(
 1472:    '$start_page_annotate'
 1473:   +"<form name='goannotate' target='Annotator' method='post' "
 1474:   +"action='/adm/annotations'>"
 1475:   +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
 1476:   +"<\\/form>"
 1477:   +'$end_page_annotate');
 1478:    annotator.document.close();
 1479: }
 1480: 
 1481: function set_bookmark() {
 1482:    go('');
 1483:    clienttitle=document.title;
 1484:    clienthref=location.pathname;
 1485:    w_bmquery_flag=1;
 1486:    bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
 1487:    bmquery.document.write(
 1488:    '$start_page_bookmark'
 1489:    +'<center><form method="post"'
 1490:    +' name="newlink" action="/adm/bookmarks" target="bmquery" '
 1491:    +'> <table width="340" height="150" '
 1492:    +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
 1493:    +'type="text" name="title" size="45" value="'+clienttitle+'" />'
 1494:    +'<br />Address:<br /><input type="text" name="address" size="45" '
 1495:    +'value="'+clienthref+'" /><br /><center><input type="submit" '
 1496:    +'value="Save" /> <input type="button" value="Close" '
 1497:    +'onclick="javascript:window.close();" /></center></td>'
 1498:    +'</tr></table></form></center>'
 1499:    +'$end_page_bookmark' );
 1500:    bmquery.document.close();
 1501: }
 1502: 
 1503: ENDUTILITY
 1504: }
 1505: 
 1506: sub serverform {
 1507:     return(<<ENDSERVERFORM);
 1508: <form name="server" action="/adm/logout" method="post" target="_top">
 1509: <input type="hidden" name="postdata" value="none" />
 1510: <input type="hidden" name="command" value="none" />
 1511: <input type="hidden" name="url" value="none" />
 1512: <input type="hidden" name="symb" value="none" />
 1513: </form>
 1514: ENDSERVERFORM
 1515: }
 1516: 
 1517: sub constspaceform {
 1518:     return(<<ENDCONSTSPACEFORM);
 1519: <form name="constspace" action="/adm/logout" method="post" target="_top">
 1520: <input type="hidden" name="filename" value="" />
 1521: </form>
 1522: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
 1523: <input type="hidden" name="action" value="delete" /> 
 1524: <input type="hidden" name="filename" value="" />
 1525: </form>
 1526: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
 1527: <input type="hidden" name="postdata" value="" />
 1528: <input type="hidden" name="curseed" value="" />
 1529: <input type="hidden" name="problemtype" value="" />
 1530: </form>
 1531: 
 1532: ENDCONSTSPACEFORM
 1533: }
 1534: 
 1535: 
 1536: sub get_nav_status {
 1537:     my $navstatus="swmenu.w_loncapanav_flag=";
 1538:     if ($env{'environment.remotenavmap'} eq 'on') {
 1539: 	$navstatus.="1";
 1540:     } else {
 1541: 	$navstatus.="-1";
 1542:     }
 1543:     return $navstatus;
 1544: }
 1545: 
 1546: #FIXME this needs to move into mydesk.tab and the other locations 
 1547: # the text is generated
 1548: #
 1549: # We currently do not support this anyway.
 1550: #
 1551: #sub convert_menu_function {
 1552: #    my ($rolename,$type) = @_;
 1553: #    if ($type eq 'Group') {
 1554: #        $rolename =~ s/student/member/g;
 1555: #        $rolename =~ s/group/team/g;
 1556: #        $rolename =~ s/course/group/g;
 1557: #        $rolename =~ s/Course/Group/g;
 1558: #    }
 1559: #    return $rolename;
 1560: #}
 1561: 
 1562: sub hidden_button_check {
 1563:     my $hidden;
 1564:     if ($env{'request.course.id'} eq '') {
 1565:         return;
 1566:     }
 1567:     if ($env{'request.role.adv'}) {
 1568:         return;
 1569:     }
 1570:     my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
 1571:     return $buttonshide; 
 1572: }
 1573: 
 1574: sub roles_selector {
 1575:     my ($cdom,$cnum) = @_;
 1576:     my $now = time;
 1577:     my (%courseroles,%seccount);
 1578:     my $is_cc;
 1579:     my $role_selector;
 1580:     if ($env{'user.role.cc./'.$cdom.'/'.$cnum}) {
 1581:         my ($start,$end) = split(/\./,$env{'user.role.cc./'.$cdom.'/'.$cnum});
 1582:         
 1583:         if ((($start) && ($start<0)) || 
 1584:             (($end) && ($end<$now))  ||
 1585:             (($start) && ($now<$start))) {
 1586:             $is_cc = 0;
 1587:         } else {
 1588:             $is_cc = 1;
 1589:         }
 1590:     }
 1591:     if ($is_cc) {
 1592:         &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
 1593:     } else {
 1594:         my %gotnosection;
 1595:         foreach my $item (keys(%env)) {
 1596:             if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
 1597:                 my $role = $1;
 1598:                 my $sec = $2;
 1599:                 next if ($role eq 'gr');
 1600:                 my ($start,$end) = split(/\./,$env{$item});
 1601:                 next if (($start && $start > $now) || ($end && $end < $now));
 1602:                 if ($sec eq '') {
 1603:                     if (!$gotnosection{$role}) {
 1604:                         $seccount{$role} ++;
 1605:                         $gotnosection{$role} = 1;
 1606:                     }
 1607:                 }
 1608:                 if (ref($courseroles{$role}) eq 'ARRAY') {
 1609:                     if ($sec ne '') {
 1610:                         if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
 1611:                             push(@{$courseroles{$role}},$sec);
 1612:                             $seccount{$role} ++;
 1613:                         }
 1614:                     }
 1615:                 } else {
 1616:                     @{$courseroles{$role}} = ();
 1617:                     if ($sec ne '') {
 1618:                         $seccount{$role} ++;
 1619:                         push(@{$courseroles{$role}},$sec);
 1620:                     }
 1621:                 }
 1622:             }
 1623:         }
 1624:     }
 1625:     my @roles_order = ('cc','in','ta','ep','ad','st');
 1626:     if (keys(%courseroles) > 1) {
 1627:         $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles);
 1628:         $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
 1629:                           <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
 1630:         $role_selector .= '<option value="">'.&mt('Switch course role to...').'</option>';
 1631:         foreach my $role (@roles_order) {
 1632:             if (defined($courseroles{$role})) {
 1633:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
 1634:             }
 1635:         }
 1636:         foreach my $role (sort(keys(%courseroles))) {
 1637:             if ($role =~ /^cr/) {
 1638:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
 1639:             }
 1640:         }
 1641:         $role_selector .= '</select>'."\n".
 1642:                '<input type="hidden" name="destinationurl" value="'.
 1643:                $ENV{'REQUEST_URI'}.'" />'."\n".
 1644:                '<input type="hidden" name="gotorole" value="1" />'."\n".
 1645:                '<input type="hidden" name="selectrole" value="" />'."\n".
 1646:                '<input type="hidden" name="switch" value="1" />'."\n".
 1647:                '</form>';
 1648:     }
 1649:     return $role_selector;
 1650: }
 1651: 
 1652: sub get_all_courseroles {
 1653:     my ($cdom,$cnum,$courseroles,$seccount) = @_;
 1654:     unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
 1655:         return;
 1656:     }
 1657:     my ($result,$cached) = 
 1658:         &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
 1659:     if (defined($cached)) {
 1660:         if (ref($result) eq 'HASH') {
 1661:             if ((ref($result->{'roles'}) eq 'HASH') && 
 1662:                 (ref($result->{'seccount'}) eq 'HASH')) {
 1663:                 %{$courseroles} = %{$result->{'roles'}};
 1664:                 %{$seccount} = %{$result->{'seccount'}};
 1665:                 return;
 1666:             }
 1667:         }
 1668:     }
 1669:     my %gotnosection;
 1670:     my %adv_roles =
 1671:          &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 1672:     foreach my $role (keys(%adv_roles)) {
 1673:         my ($urole,$usec) = split(/:/,$role);
 1674:         if (!$gotnosection{$urole}) {
 1675:             $seccount->{$urole} ++;
 1676:             $gotnosection{$urole} = 1;
 1677:         }
 1678:         if (ref($courseroles->{$urole}) eq 'ARRAY') {
 1679:             if ($usec ne '') {
 1680:                 if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
 1681:                     push(@{$courseroles->{$urole}},$usec);
 1682:                     $seccount->{$urole} ++;
 1683:                 }
 1684:             }
 1685:         } else {
 1686:             @{$courseroles->{$urole}} = ();
 1687:             if ($usec ne '') {
 1688:                 $seccount->{$urole} ++;
 1689:                 push(@{$courseroles->{$urole}},$usec);
 1690:             }
 1691:         }
 1692:     }
 1693:     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
 1694:     @{$courseroles->{'st'}} = ();
 1695:     if (keys(%sections_count) > 0) {
 1696:         push(@{$courseroles->{'st'}},keys(%sections_count));
 1697:         $seccount->{'st'} = scalar(keys(%sections_count)); 
 1698:     }
 1699:     my $rolehash = {
 1700:                      'roles'    => $courseroles,
 1701:                      'seccount' => $seccount,
 1702:                    };
 1703:     &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
 1704:     return;
 1705: }
 1706: 
 1707: sub jump_to_role {
 1708:     my ($cdom,$cnum,$seccount,$courseroles) = @_;
 1709:     my %lt = &Apache::lonlocal::texthash(
 1710:                 this => 'This role has section(s) associated with it.',
 1711:                 ente => 'Enter a specific section.',
 1712:                 orlb => 'Enter a specific section, or leave blank for no section.',
 1713:                 avai => 'Available sections are:',
 1714:                 youe => 'You entered an invalid section choice:',
 1715:                 plst => 'Please try again',
 1716:     );
 1717:     my $js;
 1718:     if (ref($courseroles) eq 'HASH') {
 1719:         $js = '    var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n". 
 1720:               '    var numsec = new Array();'."\n".
 1721:               '    var rolesections = new Array();'."\n".
 1722:               '    var rolenames = new Array();'."\n".
 1723:               '    var roleseclist = new Array();'."\n";
 1724:         my @items = keys(%{$courseroles});
 1725:         for (my $i=0; $i<@items; $i++) {
 1726:             $js .= '    rolenames['.$i.'] = "'.$items[$i].'";'."\n";
 1727:             my ($secs,$secstr);
 1728:             if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
 1729:                 my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
 1730:                 $secs = join('","',@sections);
 1731:                 $secstr = join(', ',@sections);
 1732:             }
 1733:             $js .= '    rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
 1734:                    '    roleseclist['.$i.'] = "'.$secstr.'";'."\n".
 1735:                    '    numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
 1736:         }
 1737:     }
 1738:     return <<"END";
 1739: <script type="text/javascript">
 1740: //<![CDATA[
 1741: function adhocRole(roleitem) {
 1742:     $js
 1743:     var newrole =  document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
 1744:     if (newrole == '') {
 1745:         return; 
 1746:     } 
 1747:     var fullrole = newrole+'./$cdom/$cnum';
 1748:     var selidx = '';
 1749:     for (var i=0; i<rolenames.length; i++) {
 1750:         if (rolenames[i] == newrole) {
 1751:             selidx = i;
 1752:         }
 1753:     }
 1754:     var secok = 1;
 1755:     var secchoice = '';
 1756:     if (selidx >= 0) {
 1757:         if (numsec[selidx] > 1) {
 1758:             secok = 0;
 1759:             var numrolesec = rolesections[selidx].length;
 1760:             var msgidx = numsec[selidx] - numrolesec;
 1761:             secchoice = prompt("$lt{'this'}\\n"+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
 1762:             if (secchoice == '') {
 1763:                 if (msgidx > 0) {
 1764:                     secok = 1;
 1765:                 }
 1766:             } else {
 1767:                 for (var j=0; j<rolesections[selidx].length; j++) {
 1768:                     if (rolesections[selidx][j] == secchoice) {
 1769:                         secok = 1;
 1770:                     }
 1771:                 }
 1772:             }
 1773:         } else {
 1774:             if (rolesections[selidx].length == 1) {
 1775:                 secchoice = rolesections[selidx][0];
 1776:             }
 1777:         }
 1778:     }
 1779:     if (secok == 1) {
 1780:         if (secchoice != '') {
 1781:             fullrole += '/'+secchoice;
 1782:         }
 1783:     } else {
 1784:         document.rolechooser.elements[roleitem].selectedIndex = 0;
 1785:         if (secchoice != null) {
 1786:             alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
 1787:         }
 1788:         return;
 1789:     }
 1790:     if (fullrole == "$env{'request.role'}") {
 1791:         return;
 1792:     }
 1793:     itemid = retrieveIndex('gotorole');
 1794:     if (itemid != -1) {
 1795:         document.rolechooser.elements[itemid].name = fullrole;
 1796:     }
 1797:     document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
 1798:     document.rolechooser.selectrole.value = '1';
 1799:     document.rolechooser.submit();
 1800:     return;
 1801: }
 1802: 
 1803: function retrieveIndex(item) {
 1804:     for (var i=0;i<document.rolechooser.elements.length;i++) {
 1805:         if (document.rolechooser.elements[i].name == item) {
 1806:             return i;
 1807:         }
 1808:     }
 1809:     return -1;
 1810: }
 1811: // ]]>
 1812: </script>
 1813: END
 1814: }
 1815: 
 1816: 
 1817: # ================================================================ Main Program
 1818: 
 1819: BEGIN {
 1820:     if (! defined($readdesk)) {
 1821: 	{
 1822: 	    my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
 1823: 	    if ( CORE::open( my $config,"<$tabfile") ) {
 1824: 		while (my $configline=<$config>) {
 1825: 		    $configline=(split(/\#/,$configline))[0];
 1826: 		    $configline=~s/^\s+//;
 1827: 		    chomp($configline);
 1828:                     if ($configline=~/^cat\:/) {
 1829:                        my @entries=split(/\:/,$configline);
 1830:                        $category_positions{$entries[2]}=$entries[1];
 1831:                        $category_names{$entries[2]}=$entries[3];
 1832: 		    } elsif ($configline) {
 1833: 			push(@desklines,$configline);
 1834: 		    }
 1835: 		}
 1836: 		CORE::close($config);
 1837: 	    }
 1838: 	}
 1839: 	$readdesk='done';
 1840:     }
 1841: }
 1842: 
 1843: 1;
 1844: __END__
 1845: 
 1846: 
 1847: 
 1848: 
 1849: 
 1850: 
 1851: 

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