File:  [LON-CAPA] / loncom / interface / lonmenu.pm
Revision 1.309.2.9: download - view: text, annotated - select for diffs
Wed Jan 6 18:19:59 2010 UTC (14 years, 4 months ago) by raeburn
Branches: GCI_3
- Customization for GCI_3.
  - Link to Statistics page in Course Coordinators' Main Menu.

    1: # The LearningOnline Network with CAPA
    2: # Routines to control the menu
    3: #
    4: # $Id: lonmenu.pm,v 1.309.2.9 2010/01/06 18:19:59 raeburn 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 hidden_button_check()
  117: 
  118: =item roles_selector()
  119: 
  120: =item jump_to_role()
  121: 
  122: =back
  123: 
  124: =cut
  125: 
  126: package Apache::lonmenu;
  127: 
  128: use strict;
  129: use Apache::lonnet;
  130: use Apache::lonhtmlcommon();
  131: use Apache::loncommon();
  132: use Apache::lonenc();
  133: use Apache::lonlocal;
  134: use LONCAPA qw(:DEFAULT :match);
  135: use HTML::Entities();
  136: 
  137: use vars qw(@desklines %category_names %category_members %category_positions 
  138:             $readdesk @primary_menu @secondary_menu);
  139: 
  140: my @inlineremote;
  141: 
  142: sub prep_menuitem {
  143:     my ($menuitem) = @_;
  144:     return '' unless(ref($menuitem) eq 'ARRAY');
  145:     my $link;
  146:     if ($$menuitem[1]) { # graphical Link
  147:         $link = "<img class=\"LC_noBorder\""
  148:               . " src=\"" . &Apache::loncommon::lonhttpdurl($$menuitem[1]) . "\"" 
  149:               . " alt=\"" . &mt($$menuitem[2]) . "\" />";
  150:     } else {             # textual Link
  151:         $link = &mt($$menuitem[3]);
  152:     }
  153:     return '<li><a href="'.$$menuitem[0].'">'.$link.'</a></li>';
  154: }
  155: 
  156: # primary_menu() evaluates @primary_menu and returns XHTML for the menu
  157: # that contains following links:
  158: # About, Message, Roles, Help, Logout
  159: # @primary_menu is filled within the BEGIN block of this module with 
  160: # entries from mydesk.tab
  161: sub primary_menu {
  162:     my $menu;
  163:     my $custommenu = &Apache::loncommon::needs_gci_custom();
  164:     # each element of @primary contains following array:
  165:     # (link url, icon path, alt text, link text, condition)
  166:     foreach my $menuitem (@primary_menu) {
  167:         # evaluate conditions 
  168:         next if    ref($menuitem)       ne 'ARRAY';    #
  169:         next if    $$menuitem[4]        eq 'nonewmsg'  # show links depending on
  170:                 && &Apache::lonmsg::mynewmail();       # whether a new msg 
  171:         next if    $$menuitem[4]        eq 'newmsg'    # arrived or not
  172:                 && !&Apache::lonmsg::mynewmail();      # 
  173:         next if    $$menuitem[4]        !~ /public/    ##we've a public user, 
  174:                 && $env{'user.name'}    eq 'public'    ##who should not see all 
  175:                 && $env{'user.domain'}  eq 'public';   ##links
  176:         next if    $$menuitem[4]        eq 'onlypublic'# hide links which are 
  177:                 && $env{'user.name'}    ne 'public'    # only visible to public
  178:                 && $env{'user.domain'}  ne 'public';   # users
  179:         next if    $$menuitem[4]        eq 'roles'     # hide links which are
  180:                 && $custommenu;                        # not visible when GCI
  181:         next if    $$menuitem[4]        eq 'courses'   # tabbed interface in use
  182:                 && $custommenu;                        # 
  183:         next if    $$menuitem[4]        eq 'roles'     ##show links depending on
  184:                 && &Apache::loncommon::show_course();  ##term 'Courses' or 
  185:         next if    $$menuitem[4]        eq 'courses'   ##'Roles' wanted
  186:                 && !&Apache::loncommon::show_course(); ##
  187:         
  188:             
  189:         if ($$menuitem[3] eq 'Help') { # special treatment for helplink
  190:             $menu .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
  191:         } else {
  192:             my @items = @{$menuitem};
  193:             $items[0] = 'javascript:'.$menuitem->[0].';';
  194:             $menu .= &prep_menuitem(\@items);
  195:         }
  196:     }
  197: 
  198:     return "<ol class=\"LC_primary_menu LC_right\">$menu</ol>";
  199: }
  200: 
  201: 
  202: sub secondary_menu {
  203:     my $menu;
  204: 
  205:     my $crstype = &Apache::loncommon::course_type();
  206:     my $canedit = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
  207:     my $canviewgrps = &Apache::lonnet::allowed('vcg', $env{'request.course.id'}
  208:                    . ($env{'request.course.sec'} ? "/$env{'request.course.sec'}"
  209:                                                  : '')); 
  210:     my $showlink = &show_return_link();
  211:     my %groups = &Apache::lonnet::get_active_groups(
  212:                      $env{'user.domain'}, $env{'user.name'},
  213:                      $env{'course.' . $env{'request.course.id'} . '.domain'},
  214:                      $env{'course.' . $env{'request.course.id'} . '.num'});
  215:     foreach my $menuitem (@secondary_menu) {
  216:         # evaluate conditions 
  217:         next if    ref($menuitem)  ne 'ARRAY';
  218:         next if    $$menuitem[4]   ne 'always'
  219:                 && !$env{'request.course.id'};
  220:         next if    $$menuitem[4]   eq 'showreturn'
  221:                 && !$showlink
  222:                 && !($env{'request.state'} eq 'construct');
  223:         next if    $$menuitem[4]   =~ /^mdc/
  224:                 && !$canedit;
  225:         next if    $$menuitem[4]  eq 'mdcCourse'
  226:                 && $crstype eq 'Community';
  227:         next if    $$menuitem[4]  eq 'mdcCommunity'
  228:                 && $crstype ne 'Community';
  229:         next if    $$menuitem[4]  =~ /^remotenav/
  230:                 && $env{'environment.remotenavmap'} ne 'on';
  231:         next if    $$menuitem[4]  =~ /noremotenav/
  232:                 && $env{'environment.remotenavmap'} eq 'on';
  233:         next if $$menuitem[4] =~ /^(no|)remotenav$/ 
  234:                 && $crstype eq 'Community';
  235:         next if $$menuitem[4] =~ /^(no|)remotenavCommunity$/ 
  236:                 && $crstype ne 'Community';
  237:         next if    $$menuitem[4]   =~ /showgroups$/
  238:                 && !$canviewgrps
  239:                 && !%groups;
  240: 
  241:         if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
  242:             # special treatment for role selector
  243:             my $roles_selector = &roles_selector(
  244:                         $env{'course.' . $env{'request.course.id'} . '.domain'},
  245:                         $env{'course.' . $env{'request.course.id'} . '.num'}  );
  246: 
  247:             $menu .= $roles_selector ? "<li>$roles_selector</li>"
  248:                                      : '';
  249:         } elsif ($env{'environment.remotenavmap'} eq 'on') {
  250:             # open link using javascript when remote navmap is activated
  251:             my @items = @{$menuitem}; 
  252:             if ($menuitem->[4] eq 'remotenav') {
  253:                 $items[0] = "javascript:gonav('$menuitem->[0]');";
  254:             } else {
  255:                 $items[0] = "javascript:go('$menuitem->[0]');";
  256:             }
  257:             $menu .= &prep_menuitem(\@items);
  258:         } else {
  259:             $menu .= &prep_menuitem(\@$menuitem);
  260:         }
  261:     }
  262:     if ($menu =~ /\[url\].*\[symb\]/) {
  263:         my $escurl  = &escape( &Apache::lonenc::check_encrypt(
  264:                              $env{'request.noversionuri'}));
  265: 
  266:         my $escsymb = &escape( &Apache::lonenc::check_encrypt(
  267:                              $env{'request.symb'})); 
  268: 
  269:         if (    $env{'request.state'} eq 'construct'
  270:             and (   $env{'request.noversionuri'} eq '' 
  271:                  || !defined($env{'request.noversionuri'}))) 
  272:         {
  273:             ($escurl = $env{'request.filename'}) =~ 
  274:                 s{^/home/([^/]+)/public_html/(.*)$}{/priv/$1/$2};
  275: 
  276:             $escurl  = &escape($escurl);
  277:         }    
  278:         $menu =~ s/\[url\]/$escurl/g;
  279:         $menu =~ s/\[symb\]/$escsymb/g;
  280:     }
  281: 
  282:     return "<ul id=\"LC_secondary_menu\">$menu</ul>";
  283: }
  284: 
  285: sub gci_secondary_menu {
  286:     my %courses = (
  287:         'review' => 'gci_9615072b469884921gcil1',
  288:         'submit' => 'gci_1H96711d710194bfegcil1',
  289:     );
  290:     my %linktext = (
  291:         'review'      => 'Review Questions',
  292:         'submit'      => 'Submit Questions',
  293:         'managetest'  => 'Manage Tests',
  294:     );
  295:     my %links = (
  296:                   'managetest' => '/adm/menu',
  297:                 );
  298:     my $current = 'managetest';
  299:     if ($env{'form.destinationurl'} eq '/adm/gci_info') {
  300:         undef($current);
  301:     }
  302:     foreach my $key (keys(%courses)) {
  303:         $links{$key} = "javascript:switchpage('$key');";
  304:         if ($env{'request.course.id'} eq $courses{$key}) {
  305:             $links{$key} = '/adm/navmaps';
  306:             $current = $key;
  307:             $links{'managetest'} = '/adm/roles?selectrole=1&cm=1&orgurl=%2fadm%2fmenu';
  308:         }
  309:     }
  310:     my @menutabs = ('review','submit','managetest');
  311:     my $tabs;
  312:     foreach my $item (@menutabs) {
  313:         if ($item eq $current) {
  314:             $tabs .= ' <li id="current"><a href="'.$links{$item}.'">'.
  315:                      $linktext{$item}.'</a></li>';
  316:         } else {
  317:             $tabs .= ' <li><a href="'.$links{$item}.'">'.
  318:                      $linktext{$item}.'</a></li>';
  319:         }
  320:     }
  321:     return '<div id="gciheader">'.
  322:            '<ul>'.$tabs.'</ul></div><br />';
  323: }
  324: 
  325: #
  326: # This routine returns a translated hash for the menu items in the top inline menu row
  327: # Probably should be in mydesk.tab
  328: 
  329: #SD this sub is deprecated - don't use it
  330: sub initlittle {
  331:     return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
  332: 				       'nav' => 'Course Contents',
  333: 				       'main' => 'Main Menu',
  334:                                        'roles' => (&Apache::loncommon::show_course()?
  335:                                                     'Courses':'Roles'),
  336:                                        'other' => 'Other Roles',
  337:                                        'docs' => 'Edit Course',
  338:                                        'exit' => 'Logout',
  339:                                        'login' => 'Log In',
  340: 				       'launch' => 'Launch Remote Control',
  341:                                        'groups' => 'Groups',
  342:                                        'gdoc' => 'Community Documents',
  343:                                        );
  344: }
  345: 
  346: #SD this sub is deprecated - don't use it
  347: #SD functionality is covered by new loncommon::bodytag and primary_menu(), secondary_menu()
  348: sub menubuttons {
  349:     my $forcereg=shift;
  350:     my $titletable=shift;
  351: #
  352: # Early-out for pages that should not have a menu, triggered by query string "inhibitmenu=yes"
  353: #
  354:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  355: 					    ['inhibitmenu']);
  356:     if (($env{'form.inhibitmenu'} eq 'yes') ||
  357:         ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
  358: 
  359:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  360: 
  361:     my %lt=&initlittle();
  362:     my $navmaps='';
  363:     my $reloadlink='';
  364:     my $docs='';
  365:     my $groups='';
  366:     my $roles='<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
  367:     my $role_selector;
  368:     my $showgroups=0;
  369:     my ($cnum,$cdom);
  370: #
  371: # if the URL is hidden, symbs and the non-versioned version of the URL would be encrypted
  372: #
  373:     my $escurl=&escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
  374:     my $escsymb=&escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
  375: 
  376:     my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
  377:     $logo = '<a href="/adm/about.html"><img src="'.
  378: 	$logo.'" alt="LON-CAPA Logo" class="LC_noBorder" /></a>';
  379: 
  380:     if ($env{'request.state'} eq 'construct') {
  381: #
  382: # We are in construction space
  383: #
  384:         if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
  385:             my $returnurl = $env{'request.filename'};
  386:             $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
  387:             $escurl = &escape($returnurl);
  388:         }
  389:     }
  390:     if ($env{'request.course.id'}) {
  391: #
  392: # We are in a course
  393: #
  394:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  395:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  396:         my %coursegroups;
  397:         my $viewgrps_permission =
  398: 	    &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
  399:         if (!$viewgrps_permission) {
  400:             %coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$cdom,$cnum);
  401: 	}
  402:         if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
  403:             $showgroups = 1;
  404:         }
  405:         $role_selector = &roles_selector($cdom,$cnum);
  406:         if ($role_selector) {
  407:             $roles = '<span class="LC_nobreak">'.$role_selector.'&nbsp;&nbsp;<a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></span>';
  408:         }
  409:     }
  410: 
  411:     if ($env{'environment.remote'} eq 'off') {
  412: # Remote Control is switched off
  413: # figure out colors
  414:         my %lt=&initlittle();
  415: 
  416:         my $domain=&Apache::loncommon::determinedomain();
  417:         my $function=&Apache::loncommon::get_users_function();
  418:         my $link=&Apache::loncommon::designparm($function.'.link',$domain);
  419:         my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
  420:         my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
  421:         my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
  422: 
  423:         if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
  424:             return (<<ENDINLINEMENU);
  425:             <ol class="LC_primary_menu LC_right">
  426:                 <li>$logo</li>
  427:                 <li><a href="/adm/roles" target="_top">$lt{'login'}</a></li>
  428:             </ol>
  429:             <hr />
  430: ENDINLINEMENU
  431:         }
  432:         $roles = '<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
  433: # Do we have a NAV link?
  434:         if ($env{'request.course.id'}) {
  435: 	    my $link='/adm/navmaps?postdata='.$escurl.'&amp;postsymb='.
  436: 		$escsymb;
  437: 	    if ($env{'environment.remotenavmap'} eq 'on') {
  438: 		$link="javascript:gonav('".$link."')";
  439: 	    }
  440: 	    $navmaps=(<<ENDNAV);
  441: <li><a href="$link" target="_top">$lt{'nav'}</a></li>
  442: ENDNAV
  443:             my $is_community = 
  444:                 (&Apache::loncommon::course_type() eq 'Community');
  445: 	    if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  446:                 my $text = ($is_community) ? $lt{'gdoc'} : $lt{'docs'};
  447: 		$docs=(<<ENDDOCS);
  448: <li><a href="/adm/coursedocs" target="_top">$text</a></li>
  449: ENDDOCS
  450:             }
  451:             if ($showgroups) {
  452:                 $groups =(<<ENDGROUPS);
  453: <li><a href="/adm/coursegroups" target="_top">$lt{'groups'}</a></li>
  454: ENDGROUPS
  455:             }
  456: 	    if (&show_return_link()) {
  457:                 my $escreload=&escape('return:');
  458:                 $reloadlink=(<<ENDRELOAD);
  459: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
  460: ENDRELOAD
  461:             }
  462:             if ($role_selector) {
  463:             	#$roles = '<td>'.$role_selector.'</td><td><a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></td>';
  464: 				$role_selector = '<li>'.$role_selector.'</li>';
  465:             }
  466:         }
  467: 	if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
  468: 	    my $escreload=&escape('return:');
  469: 	    $reloadlink=(<<ENDCRELOAD);
  470: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
  471: ENDCRELOAD
  472:         }
  473:     my $reg     = $forcereg ? &innerregister($forcereg,$titletable) : '';
  474:     my $form    = &serverform();
  475:     my $utility = &utilityfunctions();
  476: 
  477:     #Prepare the message link that indicates the arrival of new mail
  478:     my $messagelink = &Apache::lonmsg::mynewmail() ? "Message (new)" : "Message";
  479:        $messagelink = '<a href="javascript:go(\'/adm/communicate\');">'
  480:                       . mt($messagelink) .'</a>';
  481: 
  482:     my $helplink = &Apache::loncommon::top_nav_help('Help');
  483: 	return (<<ENDINLINEMENU);
  484: <script type="text/javascript">
  485: // <![CDATA[
  486: // BEGIN LON-CAPA Internal
  487: $utility
  488: // ]]>
  489: </script>
  490: <ol class="LC_primary_menu LC_right">
  491: 	<li>$logo</li>
  492: 	<li>$messagelink</li>
  493: 	<li>$roles</li>
  494: 	<li>$helplink</li>
  495: 	<li><a href="/adm/logout" target="_top">$lt{'exit'}</a></li>
  496: </ol>
  497: <ul id="LC_secondary_menu">
  498: <li><a href="/adm/menu" target="_top">$lt{'main'}</a></li>
  499: $reloadlink
  500: $navmaps
  501: $docs
  502: $groups
  503: $role_selector
  504: </ul>
  505: $form
  506: <script type="text/javascript">
  507: // END LON-CAPA Internal
  508: </script>
  509: $reg
  510: ENDINLINEMENU
  511:     } else {
  512: 	return '';
  513:     }
  514: }
  515: 
  516: sub show_return_link {
  517:     return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
  518: 	     $env{'request.symb'} eq '')
  519: 	    ||
  520: 	    ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
  521: 	    ||
  522: 	    (($env{'request.noversionuri'}=~/^\/adm\//) &&
  523: 	     ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
  524: 	     ($env{'request.noversionuri'}!~
  525: 	      m[^/adm/.*/(smppg|bulletinboard|aboutme)($|\?)])
  526: 	     ));
  527: }
  528: 
  529: 
  530: sub registerurl {
  531:     my ($forcereg) = @_;
  532:     my $result = '';
  533:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  534:     my $force_title='';
  535:     if ($env{'request.state'} eq 'construct') {
  536: 	$force_title=&Apache::lonxml::display_title();
  537:     }
  538:     if (($env{'environment.remote'} eq 'off') ||
  539:         ((($env{'request.publicaccess'}) || 
  540:          (!&Apache::lonnet::is_on_map(
  541: 	   &unescape($env{'request.noversionuri'})))) &&
  542:         (!$forcereg))) {
  543:  	return
  544:         $result
  545:        .'<script type="text/javascript">'."\n"
  546:        .'// <![CDATA['."\n"
  547:        .'function LONCAPAreg(){;} function LONCAPAstale(){}'."\n"
  548:        .'// ]]>'."\n"
  549:        .'</script>'
  550:        .$force_title;
  551:     }
  552: # Graphical display after login only
  553:     if ($env{'request.registered'} && !$forcereg) { return ''; }
  554:     $result.=&innerregister($forcereg);
  555:     return $result.$force_title;
  556: }
  557: 
  558: sub innerregister {
  559:     my ($forcereg,$titletable,$bread_crumbs) = @_;
  560:     my $result = '';
  561:     my ($uname,$thisdisfn);
  562:     my $const_space = ($env{'request.state'} eq 'construct');
  563:     my $is_const_dir = 0;
  564: 
  565:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  566: 
  567:     $env{'request.registered'} = 1;
  568: 
  569:     my $noremote = ($env{'environment.remote'} eq 'off');
  570:     
  571:     undef(@inlineremote);
  572: 
  573:     my $reopen=&Apache::lonmenu::reopenmenu();
  574: 
  575:     my $newmail='';
  576: 
  577:     if (&Apache::lonmsg::newmail() && !$noremote) { 
  578:         # We have new mail and remote is up
  579:         $newmail= 'swmenu.setstatus("you have","messages");';
  580:     } 
  581: 
  582:     my ($breadcrumb,$separator);
  583:     if ($noremote
  584: 	     && ($env{'request.symb'}) 
  585: 	     && ($env{'request.course.id'})) {
  586: 
  587:         my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
  588:         my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
  589: 
  590:         my $maptitle = &Apache::lonnet::gettitle($mapurl);
  591:         my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
  592:         my $contentstext;
  593:         if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Community') {
  594:             $contentstext = &mt('Community Contents');
  595:         } else {
  596:             $contentstext = &mt('Course Contents');
  597:         }
  598:         my @crumbs = ({text  => $contentstext, 
  599:                        href  => "Javascript:gonav('/adm/navmaps')"});
  600: 
  601:         if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
  602:             push(@crumbs, {text  => '...',
  603:                            no_mt => 1});
  604:         }
  605: 
  606:         push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
  607:                                                    && $maptitle ne 'default.sequence' 
  608:                                                    && $maptitle ne $coursetitle);
  609: 
  610:         push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
  611: 
  612:         &Apache::lonhtmlcommon::clear_breadcrumbs();
  613:         &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
  614:         #$breadcrumb .= &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
  615: 	unless (($env{'request.state'} eq 'edit') || ($newmail) ||
  616: 		($env{'request.state'} eq 'construct') ||
  617: 		($env{'form.register'})) {
  618:             $separator = &Apache::loncommon::head_subbox();
  619:         }
  620:         #
  621:     }
  622:     if ($env{'request.state'} eq 'construct') {
  623:         $newmail = $titletable;
  624:     } 
  625:     my $timesync   = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
  626:     my $tablestart = ( $noremote ? '<table id="LC_menubuttons">' : '');
  627:     my $tableend   = ( $noremote ? '</table>' : '');
  628: # =============================================================================
  629: # ============================ This is for URLs that actually can be registered
  630:     if (($env{'request.noversionuri'}!~m{^/(res/)*adm/}) || ($forcereg)) {
  631: # -- This applies to homework problems for users with grading privileges
  632: 	my $crs='/'.$env{'request.course.id'};
  633: 	if ($env{'request.course.sec'}) {
  634: 	    $crs.='_'.$env{'request.course.sec'};
  635: 	}
  636: 	$crs=~s/\_/\//g;
  637: 
  638:         my $hwkadd='';
  639:         if ($env{'request.symb'} ne '' &&
  640: 	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
  641: 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
  642: 		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_4]',
  643:                        "gocmd('/adm/grades','gradingmenu')",
  644:                        'Modify user grades for this assessment resource');
  645:             } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
  646: 		$hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
  647:                        "gocmd('/adm/grades','submission')",
  648: 		       'View user submissions for this assessment resource');
  649:             }
  650: 	}
  651: 	if ($env{'request.symb'} ne '' &&
  652: 	    &Apache::lonnet::allowed('opa',$crs)) {
  653: 	    $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
  654: 			     "gocmd('/adm/parmset','set')",
  655: 			     'Modify parameter settings for this resource');
  656: 	}
  657: # -- End Homework
  658:         ###
  659:         ### Determine whether or not to display the 'cstr' button for this
  660:         ### resource
  661:         ###
  662:         my $editbutton = '';
  663:         my $noeditbutton = 1;
  664:         my ($cnum,$cdom);
  665:         if ($env{'request.course.id'}) {
  666:             $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  667:             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  668:         }
  669:         if ($env{'user.author'}) {
  670:             if ($env{'request.role'}=~/^(aa|ca|au)/) {
  671: #
  672: # We have the role of an author
  673: #
  674:                 # Set defaults for authors
  675:                 my ($top,$bottom) = ('con-','struct');
  676:                 my $action = "go('/priv/".$env{'user.name'}."');";
  677:                 my $cadom  = $env{'request.role.domain'};
  678:                 my $caname = $env{'user.name'};
  679:                 my $desc = "Enter my construction space";
  680:                 # Set defaults for co-authors
  681:                 if ($env{'request.role'} =~ /^ca/) { 
  682:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  683:                     ($top,$bottom) = ('co con-','struct');
  684:                     $action = "go('/priv/".$caname."');";
  685:                     $desc = "Enter construction space as co-author";
  686:                 } elsif ($env{'request.role'} =~ /^aa/) {
  687:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  688:                     ($top,$bottom) = ('co con-','struct');
  689:                     $action = "go('/priv/".$caname."');";
  690:                     $desc = "Enter construction space as assistant co-author";
  691:                 }
  692:                 # Check that we are on the correct machine
  693:                 my $home = &Apache::lonnet::homeserver($caname,$cadom);
  694: 		my $allowed=0;
  695: 		my @ids=&Apache::lonnet::current_machine_ids();
  696: 		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  697: 		if (!$allowed) {
  698: 		    $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
  699:                     $noeditbutton = 0;
  700:                 }
  701:             }
  702: #
  703: # We are an author for some stuff, but currently do not have the role of author.
  704: # Figure out if we have authoring privileges for the resource we are looking at.
  705: # This should maybe become a privilege check in lonnet
  706: #
  707:             ##
  708:             ## Determine if user can edit url.
  709:             ##
  710:             my $cfile='';
  711:             my $cfuname='';
  712:             my $cfudom='';
  713:             my $uploaded;
  714:             if ($env{'request.filename'}) {
  715:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  716:                 if (defined($cnum) && defined($cdom)) {
  717:                     $uploaded = &is_course_upload($file,$cnum,$cdom);
  718:                 }
  719:                 if (!$uploaded) {
  720:                     $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
  721:                     # Check that the user has permission to edit this resource
  722:                     ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
  723:                     if (defined($cfudom)) {
  724: 		        my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
  725: 		        my $allowed=0;
  726: 		        my @ids=&Apache::lonnet::current_machine_ids();
  727: 		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  728: 		        if ($allowed) {
  729:                             $cfile=$file;
  730:                         }
  731:                     }
  732:                 }
  733:             }
  734:             # Finally, turn the button on or off
  735:             if ($cfile && !$const_space) {
  736:                 my $nocrsedit;
  737:                 # Suppress display where CC has switched to student role.
  738:                 if ($env{'request.course.id'}) {
  739:                     unless(&Apache::lonnet::allowed('mdc',
  740:                                                     $env{'request.course.id'})) {
  741:                         $nocrsedit = 1;
  742:                     }
  743:                 }
  744:                 if ($nocrsedit) {
  745:                     $editbutton=&clear(6,1);
  746:                 } else {
  747:                     $editbutton=&switch
  748:                        ('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
  749:                      "go('".$cfile."');","Edit this resource");
  750:                     $noeditbutton = 0;
  751:                 }
  752:             } elsif ($editbutton eq '') {
  753:                 $editbutton=&clear(6,1);
  754:             }
  755:         }
  756:         if (($noeditbutton) && ($env{'request.filename'})) { 
  757:             if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  758:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  759:                 if (defined($cnum) && defined($cdom)) {
  760:                     if (&is_course_upload($file,$cnum,$cdom)) {
  761:                         my $cfile = &edit_course_upload($file,$cnum,$cdom);
  762:                         if ($cfile) {
  763:                             $editbutton=&switch
  764:                                         ('','',6,1,'pcstr.gif','edit[_1]',
  765:                                          'resource[_2]',"go('".$cfile."');",
  766:                                          'Edit this resource');
  767:                         }
  768:                     }
  769:                 }
  770:             }
  771:         }
  772:         ###
  773:         ###
  774: # Prepare the rest of the buttons
  775:         my $menuitems;
  776:         if ($const_space) {
  777: #
  778: # We are in construction space
  779: #
  780: 	    my ($uname,$thisdisfn) =
  781: 		($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
  782:             my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
  783:             if ($currdir =~ m-/$-) {
  784:                 $is_const_dir = 1;
  785:             } else {
  786:                 $currdir =~ s|[^/]+$||;
  787: 		my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
  788: 		my $esc_currdir = &Apache::loncommon::escape_single($currdir);
  789: #
  790: # Probably should be in mydesk.tab
  791: #
  792:                 $menuitems=(<<ENDMENUITEMS);
  793: s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
  794: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
  795: s&6&3&pub.gif&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
  796: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
  797: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
  798: ENDMENUITEMS
  799:             }
  800:             if ($noremote) {
  801:                 if (ref($bread_crumbs) eq 'ARRAY') {
  802:                     &Apache::lonhtmlcommon::clear_breadcrumbs();
  803:                     foreach my $crumb (@{$bread_crumbs}){
  804:                         &Apache::lonhtmlcommon::add_breadcrumb($crumb);
  805:                     }
  806:                 }
  807:             }
  808:         } elsif ( defined($env{'request.course.id'}) && 
  809: 		 $env{'request.symb'} ne '' ) {
  810: #
  811: # We are in a course and looking at a registred URL
  812: # Should probably be in mydesk.tab
  813: #
  814: 	    $menuitems=(<<ENDMENUITEMS);
  815: c&3&1
  816: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
  817: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
  818: c&6&3
  819: c&8&1
  820: c&8&2
  821: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  822: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
  823: ENDMENUITEMS
  824: 
  825: my $currentURL = &Apache::loncommon::get_symb();
  826: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
  827: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
  828: $menuitems.="s&9&3&";
  829: if(length($annotation) > 0){
  830: 	$menuitems.="anot2.gif";
  831: }else{
  832: 	$menuitems.="anot.gif";
  833: }
  834: $menuitems.="&anno-[_1]&tations[_1]&annotate()&";
  835: $menuitems.="Make notes and annotations about this resource&&1\n";
  836: 
  837:             unless ($noremote) { 
  838:                 my $showreqcrs = &check_for_rcrs();
  839:                 if ($showreqcrs) {
  840:                     $menuitems.="s&8&1&rcrs.gif&request[_1]&course[_16]".
  841:                                 "&go('/adm/requestcourse')&Course requests\n";
  842:                 }
  843:             }
  844:             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
  845: 		if ((!$env{'request.enc'}) && ($env{'request.noversionuri'} !~ m{^/adm/wrapper/ext/})) {
  846: 		    $menuitems.=(<<ENDREALRES);
  847: s&6&3&catalog.gif&catalog[_2]&info[_1]&catalog_info()&Show Metadata
  848: ENDREALRES
  849:                 }
  850: 	        $menuitems.=(<<ENDREALRES);
  851: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
  852: s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
  853: ENDREALRES
  854: 	    }
  855:         }
  856: 	if ($env{'request.uri'} =~ /^\/res/) {
  857: 	    $menuitems .= (<<ENDMENUITEMS);
  858: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  859: ENDMENUITEMS
  860: 	}
  861:         my $buttons='';
  862:         foreach (split(/\n/,$menuitems)) {
  863: 	    my ($command,@rest)=split(/\&/,$_);
  864:             my $idx=10*$rest[0]+$rest[1];
  865:             if (&hidden_button_check() eq 'yes') {
  866:                 if ($idx == 21 ||$idx == 23) {
  867:                     $buttons.=&switch('','',@rest);
  868:                 } else {
  869:                     $buttons.=&clear(@rest);
  870:                 }
  871:             } else {  
  872:                 if ($command eq 's') {
  873: 	            $buttons.=&switch('','',@rest);
  874:                 } else {
  875:                     $buttons.=&clear(@rest);
  876:                 }
  877:             }
  878:         }
  879: 
  880:         if ($noremote) {
  881: 	    my $addremote=0;
  882: 	    foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
  883: 	    my $inlinebuttons='';
  884:     if ($addremote) {
  885: 
  886:         #SD START (work in progress!)
  887:         Apache::lonhtmlcommon::clear_breadcrumb_tools();
  888:         # Arrows for navigation
  889:         Apache::lonhtmlcommon::add_breadcrumb_tool( 'A', $inlineremote[21] );
  890:         Apache::lonhtmlcommon::add_breadcrumb_tool( 'A', $inlineremote[23] );
  891:         if(hidden_button_check() ne 'yes'){
  892:             # notes
  893:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'B', $inlineremote[93]);
  894:             # bookmark
  895:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'B', $inlineremote[91]);
  896:             # evaluate
  897:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'B', $inlineremote[81]);
  898:             # feedback
  899:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'B', $inlineremote[82]);
  900:             # print
  901:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'B', $inlineremote[83]);
  902:             # metadata
  903:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'B', $inlineremote[63]);
  904: 
  905:             # ?
  906:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'C', $inlineremote[61]);
  907:             # ?
  908:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'C', $inlineremote[71]);
  909:             # ?
  910:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'C', $inlineremote[72]);
  911:             # ?
  912:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'C', $inlineremote[73]);
  913:             # ?
  914:             Apache::lonhtmlcommon::add_breadcrumb_tool( 'C', $inlineremote[92]);
  915: 
  916:         }
  917: 
  918:         #SD END
  919: #       # Registered, textual output
  920: #        if ( $env{'environment.icons'} eq 'iconsonly' ) {
  921: #            $inlinebuttons = (<<ENDARROWSINLINE);
  922: #<tr><td>
  923: #$inlineremote[21] $inlineremote[23]
  924: #ENDARROWSINLINE
  925: #            if ( &hidden_button_check() ne 'yes' ) {
  926: #                $inlinebuttons .= (<<ENDINLINEICONS);
  927: #$inlineremote[61] $inlineremote[63]
  928: #$inlineremote[71] $inlineremote[72] $inlineremote[73]
  929: #$inlineremote[81] $inlineremote[82] $inlineremote[83]
  930: #$inlineremote[91] $inlineremote[92] $inlineremote[93]</td></tr>
  931: #ENDINLINEICONS
  932: #            }
  933: #        } else { # not iconsonly
  934: #            if ( $inlineremote[21] ne '' || $inlineremote[23] ne '' ) {
  935: #                $inlinebuttons = (<<ENDFIRSTLINE);
  936: #<tr><td>$inlineremote[21]</td><td>&nbsp;</td><td>$inlineremote[23]</td></tr>
  937: #ENDFIRSTLINE
  938: #            }
  939: #            if ( &hidden_button_check() ne 'yes' ) {
  940: #                foreach my $row ( 6 .. 9 ) {
  941: #                    if (   $inlineremote[ ${row} . '1' ] ne ''
  942: #                        || $inlineremote[ $row . '2' ] ne ''
  943: #                        || $inlineremote[ $row . '3' ] ne '' )
  944: #                    {
  945: #                        $inlinebuttons .= <<"ENDLINE";
  946: #<tr><td>$inlineremote["${row}1"]</td><td>$inlineremote["${row}2"]</td><td>$inlineremote["${row}3"]</td></tr>
  947: #ENDLINE
  948: #                    }
  949: #                }
  950: #            }
  951: #        }
  952:     }
  953:         #SD see below
  954:         $breadcrumb = &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
  955: 	    $result =(<<ENDREGTEXT);
  956: <script type="text/javascript">
  957: // BEGIN LON-CAPA Internal
  958: </script>
  959: $timesync
  960: $breadcrumb
  961: <!-- $tablestart -->
  962: <!-- $inlinebuttons -->
  963: <!-- $tableend -->
  964: $newmail
  965: <!-- $separator -->
  966: <script type="text/javascript">
  967: // END LON-CAPA Internal
  968: </script>
  969: 
  970: ENDREGTEXT
  971: # Registered, graphical output
  972:         } else {
  973: 	    my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
  974: 	    $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
  975: 	    my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
  976: 	    my $navstatus=&get_nav_status();
  977: 	    my $clearcstr;
  978: 
  979: 	    if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
  980: 	    $result = (<<ENDREGTHIS);
  981:      
  982: <script type="text/javascript">
  983: // <![CDATA[
  984: // BEGIN LON-CAPA Internal
  985: var swmenu=null;
  986: 
  987:     function LONCAPAreg() {
  988: 	  swmenu=$reopen;
  989:           swmenu.clearTimeout(swmenu.menucltim);
  990:           $timesync
  991:           $newmail
  992:           $buttons
  993: 	  swmenu.currentURL="$requri";
  994:           swmenu.reloadURL=swmenu.currentURL+window.location.search;
  995:           swmenu.currentSymb="$cursymb";
  996:           swmenu.reloadSymb="$cursymb";
  997:           swmenu.currentStale=0;
  998: 	  $navstatus
  999:           $hwkadd
 1000:           $editbutton
 1001:     }
 1002: 
 1003:     function LONCAPAstale() {
 1004: 	  swmenu=$reopen
 1005:           swmenu.currentStale=1;
 1006:           if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) { 
 1007:              swmenu.switchbutton
 1008:              (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
 1009: 	  }
 1010:           swmenu.clearbut(7,2);
 1011:           swmenu.clearbut(7,3);
 1012:           swmenu.menucltim=swmenu.setTimeout(
 1013:  'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
 1014:  'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
 1015: 			  2000);
 1016:       }
 1017: 
 1018: // END LON-CAPA Internal 
 1019: // ]]>
 1020: </script>
 1021: ENDREGTHIS
 1022:         }
 1023: # =============================================================================
 1024:     } else {
 1025: # ========================================== This can or will not be registered
 1026:         if ($noremote) {
 1027: # Not registered
 1028:             $result= (<<ENDDONOTREGTEXT);
 1029: ENDDONOTREGTEXT
 1030:         } else {
 1031: # Not registered, graphical
 1032:            $result = (<<ENDDONOTREGTHIS);
 1033: 
 1034: <script type="text/javascript">
 1035: // <![CDATA[
 1036: // BEGIN LON-CAPA Internal
 1037: var swmenu=null;
 1038: 
 1039:     function LONCAPAreg() {
 1040: 	  swmenu=$reopen
 1041:           $timesync
 1042:           swmenu.currentStale=1;
 1043:           swmenu.clearbut(2,1);
 1044:           swmenu.clearbut(2,3);
 1045:           swmenu.clearbut(8,1);
 1046:           swmenu.clearbut(8,2);
 1047:           swmenu.clearbut(8,3);
 1048:           if (swmenu.currentURL) {
 1049:              swmenu.switchbutton
 1050:               (3,1,'reload.gif','return','location','go(currentURL)');
 1051:  	  } else {
 1052: 	      swmenu.clearbut(3,1);
 1053:           }
 1054:     }
 1055: 
 1056:     function LONCAPAstale() {
 1057:     }
 1058: 
 1059: // END LON-CAPA Internal
 1060: // ]]>
 1061: </script>
 1062: ENDDONOTREGTHIS
 1063:        }
 1064: # =============================================================================
 1065:     }
 1066:     return $result;
 1067: }
 1068: 
 1069: sub is_course_upload {
 1070:     my ($file,$cnum,$cdom) = @_;
 1071:     my $uploadpath = &LONCAPA::propath($cdom,$cnum);
 1072:     $uploadpath =~ s{^\/}{};
 1073:     if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
 1074:         ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
 1075:         return 1;
 1076:     }
 1077:     return;
 1078: }
 1079: 
 1080: sub edit_course_upload {
 1081:     my ($file,$cnum,$cdom) = @_;
 1082:     my $cfile;
 1083:     if ($file =~/\.(htm|html|css|js|txt)$/) {
 1084:         my $ext = $1;
 1085:         my $url = &Apache::lonnet::hreflocation('',$file);
 1086:         my $home = &Apache::lonnet::homeserver($cnum,$cdom);
 1087:         my @ids=&Apache::lonnet::current_machine_ids();
 1088:         my $dest;
 1089:         if ($home && grep(/^\Q$home\E$/,@ids)) {
 1090:             $dest = $url.'?forceedit=1';
 1091:         } else {
 1092:             unless (&Apache::lonnet::get_locks()) {
 1093:                 $dest = '/adm/switchserver?otherserver='.
 1094:                         $home.'&role='.$env{'request.role'}.
 1095:                         '&url='.$url.'&forceedit=1';
 1096:             }
 1097:         }
 1098:         if ($dest) {
 1099:             $cfile = &HTML::Entities::encode($dest,'"<>&');
 1100:         }
 1101:     }
 1102:     return $cfile;
 1103: }
 1104: 
 1105: sub loadevents() {
 1106:     if ($env{'request.state'} eq 'construct' ||
 1107: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
 1108:     return 'LONCAPAreg();';
 1109: }
 1110: 
 1111: sub unloadevents() {
 1112:     if ($env{'request.state'} eq 'construct' ||
 1113: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
 1114:     return 'LONCAPAstale();';
 1115: }
 1116: 
 1117: 
 1118: sub startupremote {
 1119:     my ($lowerurl)=@_;
 1120:     if ($env{'environment.remote'} eq 'off') {
 1121:      return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
 1122:     }
 1123: #
 1124: # The Remote actually gets launched!
 1125: #
 1126:     my $configmenu=&rawconfig();
 1127:     my $esclowerurl=&escape($lowerurl);
 1128:     my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
 1129:     return(<<ENDREMOTESTARTUP);
 1130: <script type="text/javascript">
 1131: // <![CDATA[
 1132: var timestart;
 1133: function wheelswitch() {
 1134:     if (typeof(document.wheel) != 'undefined') {
 1135: 	if (typeof(document.wheel.spin) != 'undefined') {
 1136: 	    var date=new Date();
 1137: 	    var waited=Math.round(30-((date.getTime()-timestart)/1000));
 1138: 	    document.wheel.spin.value=$message;
 1139: 	}
 1140:     }
 1141:    if (window.status=='|') { 
 1142:       window.status='/'; 
 1143:    } else {
 1144:       if (window.status=='/') {
 1145:          window.status='-';
 1146:       } else {
 1147:          if (window.status=='-') { 
 1148:             window.status='\\\\'; 
 1149:          } else {
 1150:             if (window.status=='\\\\') { window.status='|'; }
 1151:          }
 1152:       }
 1153:    } 
 1154: }
 1155: 
 1156: // ---------------------------------------------------------- The wait function
 1157: var canceltim;
 1158: function wait() {
 1159:    if ((menuloaded==1) || (tim==1)) {
 1160:       window.status='Done.';
 1161:       if (tim==0) {
 1162:          clearTimeout(canceltim);
 1163:          $configmenu
 1164:          window.location='$lowerurl';  
 1165:       } else {
 1166: 	  window.location='/adm/remote?action=collapse&url=$esclowerurl';
 1167:       }
 1168:    } else {
 1169:       wheelswitch();
 1170:       setTimeout('wait();',200);
 1171:    }
 1172: }
 1173: 
 1174: function main() {
 1175:    canceltim=setTimeout('tim=1;',30000);
 1176:    window.status='-';
 1177:    var date=new Date();
 1178:    timestart=date.getTime();
 1179:    wait();
 1180: }
 1181: 
 1182: // ]]>
 1183: </script>
 1184: ENDREMOTESTARTUP
 1185: }
 1186: 
 1187: sub setflags() {
 1188:     return(<<ENDSETFLAGS);
 1189: <script type="text/javascript">
 1190: // <![CDATA[
 1191:     menuloaded=0;
 1192:     tim=0;
 1193: // ]]>
 1194: </script>
 1195: ENDSETFLAGS
 1196: }
 1197: 
 1198: sub maincall() {
 1199:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1200:     return(<<ENDMAINCALL);
 1201: <script type="text/javascript">
 1202: // <![CDATA[
 1203:     main();
 1204: // ]]>
 1205: </script>
 1206: ENDMAINCALL
 1207: }
 1208: 
 1209: sub load_remote_msg {
 1210:     my ($lowerurl)=@_;
 1211: 
 1212:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1213: 
 1214:     my $esclowerurl=&escape($lowerurl);
 1215:     my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
 1216:                 ,'<a href="/adm/remote?action=collapse&amp;url='.$esclowerurl.'">'
 1217:                 ,'</a>');
 1218:     return(<<ENDREMOTEFORM);
 1219: <p>
 1220: <form name="wheel">
 1221: <input name="spin" type="text" size="60" />
 1222: </form>
 1223: </p>
 1224: <p>$link</p>
 1225: ENDREMOTEFORM
 1226: }
 1227: 
 1228: sub get_menu_name {
 1229:     my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
 1230:     $hostid =~ s/\W//g;
 1231:     return 'LCmenu'.$hostid;
 1232: }
 1233: 
 1234: 
 1235: sub reopenmenu {
 1236:    if ($env{'environment.remote'} eq 'off') { return ''; }
 1237:    my $menuname = &get_menu_name();
 1238:    my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
 1239:    return('window.open('.$nothing.',"'.$menuname.'","",false);');
 1240: } 
 1241: 
 1242: 
 1243: sub open {
 1244:     my $returnval='';
 1245:     if ($env{'environment.remote'} eq 'off') { 
 1246: 	return
 1247:         '<script type="text/javascript">'."\n"
 1248:        .'// <![CDATA['."\n"
 1249:        .'self.name="loncapaclient";'."\n"
 1250:        .'// ]]>'."\n"
 1251:        .'</script>';
 1252:     }
 1253:     my $menuname = &get_menu_name();
 1254:     
 1255: #    unless (shift eq 'unix') {
 1256: # resizing does not work on linux because of virtual desktop sizes
 1257: #       $returnval.=(<<ENDRESIZE);
 1258: #if (window.screen) {
 1259: #    self.resizeTo(screen.availWidth-215,screen.availHeight-55);
 1260: #    self.moveTo(190,15);
 1261: #}
 1262: #ENDRESIZE
 1263: #    }
 1264:     $returnval=(<<ENDOPEN);
 1265: // <![CDATA[
 1266: window.status='Opening LON-CAPA Remote Control';
 1267: var menu=window.open("/res/adm/pages/menu.html?inhibitmenu=yes","$menuname",
 1268: "height=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
 1269: self.name='loncapaclient';
 1270: // ]]>
 1271: ENDOPEN
 1272:     return '<script type="text/javascript">'.$returnval.'</script>';
 1273: }
 1274: 
 1275: 
 1276: # ================================================================== Raw Config
 1277: 
 1278: sub clear {
 1279:     my ($row,$col)=@_;
 1280:     unless ($env{'environment.remote'} eq 'off') {
 1281:        if (($row<1) || ($row>13)) { return ''; }
 1282:        return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
 1283:    } else { 
 1284:        $inlineremote[10*$row+$col]='';
 1285:        return ''; 
 1286:    }
 1287: }
 1288: 
 1289: # ============================================ Switch a button or create a link
 1290: # Switch acts on the javascript that is executed when a button is clicked.  
 1291: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
 1292: 
 1293: sub switch {
 1294:     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
 1295:     $act=~s/\$uname/$uname/g;
 1296:     $act=~s/\$udom/$udom/g;
 1297:     $top=&mt($top);
 1298:     $bot=&mt($bot);
 1299:     $desc=&mt($desc);
 1300:     if (($env{'environment.remote'} ne 'off') || ($env{'environment.icons'} eq 'classic')) {
 1301:        $img=&mt($img);
 1302:     }
 1303:     my $idx=10*$row+$col;
 1304:     $category_members{$cat}.=':'.$idx;
 1305: 
 1306:     unless ($env{'environment.remote'} eq 'off') {
 1307:        if (($row<1) || ($row>13)) { return ''; }
 1308: # Remote
 1309:        return "\n".
 1310:  qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
 1311:    } else {
 1312: # Inline Remote
 1313:        if ($env{'environment.icons'} ne 'classic') {
 1314:           $img=~s/\.gif$/\.png/;
 1315:        }
 1316:        if ($nobreak==2) { return ''; }
 1317:        my $text=$top.' '.$bot;
 1318:        $text=~s/\s*\-\s*//gs;
 1319: 
 1320:        my $pic=
 1321: 	   '<img alt="'.$text.'" src="'.
 1322: 	   &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
 1323: 	   '" align="'.($nobreak==3?'right':'left').'" class="LC_icon" />';
 1324:        if ($env{'browser.interface'} eq 'faketextual') {
 1325: # Main Menu
 1326: 	   if ($nobreak==3) {
 1327: 	       $inlineremote[$idx]="\n".
 1328: 		   '<td class="LC_menubuttons_text" align="right">'.$text.
 1329: 		   '</td><td align="left">'.
 1330: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
 1331: 	   } elsif ($nobreak) {
 1332: 	       $inlineremote[$idx]="\n<tr>".
 1333: 		   '<td align="left">'.
 1334: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td>
 1335:                     <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>';
 1336: 	   } else {
 1337: 	       $inlineremote[$idx]="\n<tr>".
 1338: 		   '<td align="left">'.
 1339: 		   '<a href="javascript:'.$act.';">'.$pic.
 1340: 		   '</a></td><td class="LC_menubuttons_text" colspan="3">'.
 1341: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
 1342: 	   }
 1343:        } else {
 1344: # Inline Menu
 1345:            if ($env{'environment.icons'} eq 'iconsonly') {
 1346:               $inlineremote[$idx]='<a title="'.$desc.'" href="javascript:'.$act.';">'.$pic.'</a>';
 1347:            } else {
 1348: 	      $inlineremote[$idx]=
 1349: 		   '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
 1350: 		   '<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
 1351:            }
 1352:        }
 1353:    }
 1354:     return '';
 1355: }
 1356: 
 1357: sub secondlevel {
 1358:     my $output='';
 1359:     my 
 1360:     ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
 1361:     if ($prt eq 'any') {
 1362: 	   $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1363:     } elsif ($prt=~/^r(\w+)/) {
 1364:         if ($rol eq $1) {
 1365:            $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1366:         }
 1367:     }
 1368:     return $output;
 1369: }
 1370: 
 1371: sub openmenu {
 1372:     my $menuname = &get_menu_name();
 1373:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1374:     my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
 1375:     return "window.open(".$nothing.",'".$menuname."');";
 1376: }
 1377: 
 1378: sub inlinemenu {
 1379:     my ($context,$switcher) = @_;
 1380:     undef(@inlineremote);
 1381:     undef(%category_members);
 1382:     my $output;
 1383:     if (($context eq 'gcicustom') || ($context eq 'gcistudent')) {
 1384:         $output='<table><tr>'.
 1385:                 '<td class="LC_mainmenu_col_fieldset">'.
 1386:                 '<div class="LC_Box LC_400Box">'.
 1387:                 '<h3 class="LC_hcell">'.&mt('Utilities').'</h3>'.
 1388:                 '<table>';
 1389:         if ($context eq 'gcicustom') {
 1390:             my $createtext = &mt('Create Concept Test');
 1391:             if ($switcher) {
 1392:                 $createtext = &mt('Create New Test');
 1393:             }
 1394:             $output .= '<tr><td align="left"><a href="javascript:switchpage('."'createtest'".');"><img alt="choose role" src="/res/adm/pages/rcrs.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:switchpage('."'createtest'".');"><span class="LC_menubuttons_inline_text">'.$createtext.'</span></a></td></tr>';
 1395:         }
 1396:         if ($switcher) {
 1397:             $output .= '<tr><td align="left"><a href="javascript:courseswitcher('."'icon'".');"><img alt="choose role" src="/res/adm/pages/roles.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="2">'.$switcher.'</td></tr>';
 1398:         }
 1399:         $output .= '<tr><td align="left"><a href="javascript:go('."'/adm/communicate'".');"><img alt="communication" src="/res/adm/pages/com.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:go('."'/adm/communicate'".');"><span class="LC_menubuttons_inline_text">'.&mt('Send/Display Messages').'</span></a></td></tr>'.
 1400: '<tr><td align="left"><a href="javascript:go('."'/adm/preferences'".');"><img alt="user preferences" src="/res/adm/pages/pref.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:go('."'/adm/preferences'".');"><span class="LC_menubuttons_inline_text">'.&mt('Set my user preferences').'</span></a></td></tr>';
 1401:         if ($env{'request.course.id'}) {
 1402:             if (($context eq 'gcicustom') && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
 1403:                 $output.= '</td></tr></table></div></td>'.
 1404:                           '<td class="LC_mainmenu_col_fieldset">'.
 1405:                           '<div class="LC_Box LC_400Box">'.
 1406:                           '<h3 class="LC_hcell">'.&mt('Test Management').'</h3>'.
 1407:                           '<table><tr><td align="left"><a href="javascript:gonav('."'/adm/navmaps'".');"><img alt="course contents" src="/res/adm/pages/nav.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:gonav('."'/adm/navmaps'".');"><span class="LC_menubuttons_inline_text">Concept Test Contents</span></a></td></tr>'."\n".
 1408:                           '<tr><td align="left"><a href="javascript:go('."'/adm/coursedocs'".');"><img alt="assemble test" src="/res/adm/pages/docs.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:go('."'/adm/coursedocs'".');"><span class="LC_menubuttons_inline_text">Assemble Concept Test</span></a></td></tr>'."\n".
 1409:                           '<tr><td align="left"><a href="javascript:go('."'/adm/createuser'".');"><img alt="user privs" src="/res/adm/pages/cprv.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:go('."'/adm/createuser'".');"><span class="LC_menubuttons_inline_text">'.&mt('Manage Enrollment').'</span></a></td></tr>'."\n".
 1410:                          '<tr><td align="left"><a href="javascript:go('."'/adm/whatsnew'".');"><img alt="what is new" src="/res/adm/pages/new.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:go('."'/adm/whatsnew'".');"><span class="LC_menubuttons_inline_text">'.&mt("What's New?").'</span></a></td></tr>'.
 1411:                          '<tr><td align="left"><a href="javascript:go('."'/adm/statistics'".');"><img alt="Test Statistics" src="/res/adm/pages/chrt.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:go('."'/adm/statistics'".');"><span class="LC_menubuttons_inline_text">'.&mt("Concept Test Statistics").'</span></a></td></tr></table></div></td>';
 1412:             } else {
 1413:                 my $navtext = &mt('Table of Contents');
 1414:                 if ($env{'request.role.domain'} eq 'gcitest') {
 1415:                     $navtext = &mt('Display Test Contents');
 1416:                 }
 1417:                 $output .= '<tr><td align="left"><a href="javascript:gonav('."'/adm/navmaps'".');"><img alt="course contents" src="/res/adm/pages/nav.png" align="left" class="LC_icon" /></a></td><td class="LC_menubuttons_text" colspan="3"><a class="LC_menubuttons_link" href="javascript:gonav('."'/adm/navmaps'".');"><span class="LC_menubuttons_inline_text">'.$navtext.'</span></a></td></tr></table></div></td>';
 1418:             }
 1419:         }
 1420:         $output.='</tr></table>';
 1421:     } else {
 1422:         # calling rawconfig with "1" will evaluate mydesk.tab, 
 1423:         # even if there is no active remote control
 1424:         &rawconfig(1);
 1425:         $output='<table><tr>';
 1426:         for (my $col=1; $col<=2; $col++) {
 1427:             $output.='<td class="LC_mainmenu_col_fieldset">';
 1428:             for (my $row=1; $row<=8; $row++) {
 1429:                 foreach my $cat (keys(%category_members)) {
 1430:                     if ($category_positions{$cat} ne "$col,$row") { next; }
 1431:                     $output.='<div class="LC_Box LC_400Box">';
 1432: 	            $output.='<h3 class="LC_hcell">'.&mt($category_names{$cat}).'</h3>';
 1433:                     $output.='<table>';
 1434:                     my %active=();
 1435:                     foreach my $menu_item (split(/\:/,$category_members{$cat})) {
 1436:                         if ($inlineremote[$menu_item]) {
 1437:                             $active{$menu_item}=1;
 1438:                         }
 1439:                     }
 1440:                     foreach my $item (sort(keys(%active))) {
 1441:                         $output.=$inlineremote[$item];
 1442:                     }
 1443:                     $output.='</table>';
 1444:                     $output.='</div>';
 1445:                 }
 1446:             }
 1447:             $output.="</td>";
 1448:         }
 1449:         $output.="</tr></table>";
 1450:     }
 1451:     return $output;
 1452: }
 1453: 
 1454: sub rawconfig {
 1455: #
 1456: # This evaluates mydesk.tab
 1457: # Need to add more positions and more privileges to deal with all
 1458: # menu items.
 1459: #
 1460:     my $textualoverride=shift;
 1461:     my $output='';
 1462:     unless ($env{'environment.remote'} eq 'off') {
 1463:        $output.=
 1464:  "window.status='Opening Remote Control';var swmenu=".&openmenu().
 1465: "\nwindow.status='Configuring Remote Control ';";
 1466:     } else {
 1467:        unless ($textualoverride) { return ''; }
 1468:     }
 1469:     my $uname=$env{'user.name'};
 1470:     my $udom=$env{'user.domain'};
 1471:     my $adv=$env{'user.adv'};
 1472:     my $show_course=&Apache::loncommon::show_course();
 1473:     my $author=$env{'user.author'};
 1474:     my $crs='';
 1475:     my $crstype='';
 1476:     if ($env{'request.course.id'}) {
 1477:        $crs='/'.$env{'request.course.id'};
 1478:        if ($env{'request.course.sec'}) {
 1479: 	   $crs.='_'.$env{'request.course.sec'};
 1480:        }
 1481:        $crs=~s/\_/\//g;
 1482:        $crstype = &Apache::loncommon::course_type();
 1483:     }
 1484:     my $pub=($env{'request.state'} eq 'published');
 1485:     my $con=($env{'request.state'} eq 'construct');
 1486:     my $rol=$env{'request.role'};
 1487:     my $requested_domain = $env{'request.role.domain'};
 1488:     foreach my $line (@desklines) {
 1489:         my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
 1490:         $prt=~s/\$uname/$uname/g;
 1491:         $prt=~s/\$udom/$udom/g;
 1492:         if ($prt =~ /\$crs/) {
 1493:             next unless ($env{'request.course.id'});
 1494:             next if ($crstype eq 'Community');
 1495:             $prt=~s/\$crs/$crs/g;
 1496:         } elsif ($prt =~ /\$cmty/) {
 1497:             next unless ($env{'request.course.id'});
 1498:             next if ($crstype ne 'Community');
 1499:             $prt=~s/\$cmty/$crs/g;
 1500:         }
 1501:         $prt=~s/\$requested_domain/$requested_domain/g;
 1502:         if ($category_names{$cat}!~/\w/) { $cat='oth'; }
 1503:         if ($pro eq 'clear') {
 1504: 	    $output.=&clear($row,$col);
 1505:         } elsif ($pro eq 'any') {
 1506:                $output.=&secondlevel(
 1507: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1508: 	} elsif ($pro eq 'smp') {
 1509:             unless ($adv) {
 1510:                $output.=&secondlevel(
 1511:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1512:             }
 1513:         } elsif ($pro eq 'adv') {
 1514:             if ($adv) {
 1515:                $output.=&secondlevel(
 1516: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1517:             }
 1518: 	} elsif ($pro eq 'shc') {
 1519:             if ($show_course) {
 1520:                $output.=&secondlevel(
 1521:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1522:             }
 1523:         } elsif ($pro eq 'nsc') {
 1524:             if (!$show_course) {
 1525:                $output.=&secondlevel(
 1526: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1527:             }
 1528:         } elsif (($pro=~/^p(\w+)/) && ($prt)) {
 1529:             my $priv = $1;
 1530:             if ($priv =~ /^mdc(Course|Community)/) {
 1531:                 if ($crstype eq $1) {
 1532:                     $priv = 'mdc';
 1533:                 } else {
 1534:                     next;
 1535:                 }
 1536:             }
 1537: 	    if (&Apache::lonnet::allowed($priv,$prt)) {
 1538:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1539:             }
 1540:         } elsif ($pro eq 'course')  {
 1541:             if (($env{'request.course.fn'}) && ($crstype ne 'Community')) {
 1542:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1543: 	    }
 1544:         } elsif ($pro eq 'community')  {
 1545:             if (($env{'request.course.fn'}) && ($crstype eq 'Community')) {
 1546:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1547:             }
 1548:         } elsif ($pro =~ /^courseenv_(.*)$/) {
 1549:             my $key = $1;
 1550:             if ($crstype ne 'Community') {
 1551:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
 1552:                 if ($key eq 'canuse_pdfforms') {
 1553:                     if ($env{'request.course.id'} && $coursepref eq '') {
 1554:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
 1555:                         $coursepref = $domdefs{'canuse_pdfforms'};
 1556:                     }
 1557:                 }
 1558:                 if ($coursepref) { 
 1559:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1560:                 }
 1561:             }
 1562:         } elsif ($pro =~ /^communityenv_(.*)$/) {
 1563:             my $key = $1;
 1564:             if ($crstype eq 'Community') {
 1565:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
 1566:                 if ($key eq 'canuse_pdfforms') {
 1567:                     if ($env{'request.course.id'} && $coursepref eq '') {
 1568:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
 1569:                         $coursepref = $domdefs{'canuse_pdfforms'};
 1570:                     }
 1571:                 }
 1572:                 if ($coursepref) { 
 1573:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1574:                 }
 1575:             }
 1576:         } elsif ($pro =~ /^course_(.*)$/) {
 1577:             # Check for permissions inside of a course
 1578:             if (($env{'request.course.id'}) && ($crstype ne 'Community') && 
 1579:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1580:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1581:                  )) {
 1582:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1583: 	    }
 1584:         } elsif ($pro =~ /^community_(.*)$/) {
 1585:             # Check for permissions inside of a community
 1586:             if (($env{'request.course.id'}) && ($crstype eq 'Community') &&   
 1587:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1588:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1589:                  )) {
 1590:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1591:             }
 1592:         } elsif ($pro eq 'author') {
 1593:             if ($author) {
 1594:                 if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
 1595:                     (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) || 
 1596:                     (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
 1597:                     # Check that we are on the correct machine
 1598:                     my $cadom=$requested_domain;
 1599:                     my $caname=$env{'user.name'};
 1600:                     if (($prt eq 'rca') || ($prt eq 'raa')) {
 1601: 		       ($cadom,$caname)=
 1602:                                ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
 1603:                     }                       
 1604:                     $act =~ s/\$caname/$caname/g;
 1605:                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
 1606: 		    my $allowed=0;
 1607: 		    my @ids=&Apache::lonnet::current_machine_ids();
 1608: 		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
 1609: 		    if ($allowed) {
 1610:                         $output.=&switch($caname,$cadom,
 1611:                                         $row,$col,$img,$top,$bot,$act,$desc,$cat);
 1612:                     }
 1613:                 }
 1614:             }
 1615:         } elsif ($pro eq 'tools') {
 1616:             my @tools = ('aboutme','blog','portfolio');
 1617:             if (grep(/^\Q$prt\E$/,@tools)) {
 1618:                 if (!&Apache::lonnet::usertools_access($env{'user.name'},
 1619:                                                        $env{'user.domain'},
 1620:                                                        $prt,undef,'tools')) {
 1621:                     $output.=&clear($row,$col);
 1622:                     next;
 1623:                 }
 1624:             } elsif (($prt eq 'reqcrsnsc') || ($prt eq 'reqcrsshc')) {
 1625:                 if (($prt eq 'reqcrsnsc') && ($show_course))   {
 1626:                     next;
 1627:                 }
 1628:                 if (($prt eq 'reqcrsshc') && (!$show_course)) {
 1629:                     next;
 1630:                 }
 1631:                 my $showreqcrs = &check_for_rcrs();
 1632:                 if (!$showreqcrs) {
 1633:                     $output.=&clear($row,$col);
 1634:                     next;
 1635:                 }
 1636:             }
 1637:             $prt='any';
 1638:             $output.=&secondlevel(
 1639:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1640:         }
 1641:     }
 1642:     unless ($env{'environment.remote'} eq 'off') {
 1643:        $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
 1644:        if (&Apache::lonmsg::newmail()) { 
 1645: 	   $output.='swmenu.setstatus("you have","messages");';
 1646:        }
 1647:     }
 1648: 
 1649:     return $output;
 1650: }
 1651: 
 1652: sub check_for_rcrs {
 1653:     my $showreqcrs = 0;
 1654:     my @reqtypes = ('official','unofficial','community');
 1655:     foreach my $type (@reqtypes) {
 1656:         if (&Apache::lonnet::usertools_access($env{'user.name'},
 1657:                                               $env{'user.domain'},
 1658:                                               $type,undef,'requestcourses')) {
 1659:             $showreqcrs = 1;
 1660:             last;
 1661:         }
 1662:     }
 1663:     if (!$showreqcrs) {
 1664:         foreach my $type (@reqtypes) {
 1665:             if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
 1666:                 $showreqcrs = 1;
 1667:                 last;
 1668:             }
 1669:         }
 1670:     }
 1671:     return $showreqcrs;
 1672: }
 1673: 
 1674: # ======================================================================= Close
 1675: 
 1676: sub close {
 1677:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1678:     my $menuname = &get_menu_name();
 1679:     return(<<ENDCLOSE);
 1680: <script type="text/javascript">
 1681: // <![CDATA[
 1682: window.status='Accessing Remote Control';
 1683: menu=window.open("/adm/rat/empty.html","$menuname",
 1684:                  "height=350,width=150,scrollbars=no,menubar=no");
 1685: window.status='Disabling Remote Control';
 1686: menu.active=0;
 1687: menu.autologout=0;
 1688: window.status='Closing Remote Control';
 1689: menu.close();
 1690: window.status='Done.';
 1691: // ]]>
 1692: </script>
 1693: ENDCLOSE
 1694: }
 1695: 
 1696: # ====================================================================== Footer
 1697: 
 1698: sub footer {
 1699: 
 1700: }
 1701: 
 1702: sub nav_control_js {
 1703:     my $nav=($env{'environment.remotenavmap'} eq 'on');
 1704:     return (<<NAVCONTROL);
 1705:     var w_loncapanav_flag="$nav";
 1706: 
 1707: 
 1708: function gonav(url) {
 1709:    if (w_loncapanav_flag != 1) {
 1710:       gopost(url,'');
 1711:    }  else {
 1712:       navwindow=window.open(url,
 1713:                   "loncapanav","height=600,width=400,scrollbars=1"); 
 1714:    }
 1715: }
 1716: NAVCONTROL
 1717: }
 1718: 
 1719: sub dc_popup_js {
 1720:     my %lt = &Apache::lonlocal::texthash(
 1721:                                           more => '(More ...)',
 1722:                                           less => '(Less ...)',
 1723:                                         );
 1724:     return <<"END";
 1725: 
 1726: function showCourseID() {
 1727:     document.getElementById('dccid').style.display='block';
 1728:     document.getElementById('dccid').style.textAlign='left';
 1729:     document.getElementById('dccid').style.textFace='normal';
 1730:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:hideCourseID();">$lt{'less'}</a>';
 1731:     return;
 1732: }
 1733: 
 1734: function hideCourseID() {
 1735:     document.getElementById('dccid').style.display='none';
 1736:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:showCourseID()">$lt{'more'}</a>';
 1737:     return;
 1738: }
 1739: 
 1740: END
 1741: 
 1742: }
 1743: 
 1744: sub utilityfunctions {
 1745:     my ($caller,$custommenu) = @_;
 1746:     unless ($env{'environment.remote'} eq 'off' || 
 1747:             $caller eq '/adm/menu') { 
 1748:             return ''; }
 1749:      
 1750:     my $gcimenujs;
 1751:     if ($custommenu) {
 1752:         my %concepttests = &Apache::loncommon::existing_gcitest_courses();
 1753:         my $managetesturl = '/adm/menu';
 1754:         my $createtesturl = '/adm/requestcourse';
 1755:         if (($env{'request.course.id'}) &&
 1756:             ($env{'course.'.$env{'request.course.id'}.'.domain'} eq 'gci')) {
 1757:             my @items = keys(%concepttests);
 1758:             if (@items== 1) {
 1759:                 my $newrole = $items[0];
 1760:                 $newrole =~ s{_}{/};
 1761:                 $managetesturl = '/adm/roles?selectrole=1&cc./'.$newrole.'=1';
 1762:             } else {
 1763:                 $managetesturl = '/adm/roles?selectrole=1&cm=1&orgurl=%2fadm%2fmenu';
 1764:             }
 1765:         }
 1766:         if ($env{'request.course.id'}) {
 1767:             $createtesturl = '/adm/roles?selectrole=1&cm=1&orgurl=%2fadm%2frequestcourse';
 1768:         }
 1769:         $gcimenujs = <<"ENDCUSTOM";
 1770: 
 1771: function switchpage(caller) {
 1772:     if (caller == 'review') {
 1773:         document.location.href = '/adm/roles?selectrole=1&st./gci/9615072b469884921gcil1=1';
 1774:     }
 1775:     if (caller == 'submit') {
 1776:         document.location.href = '/adm/roles?selectrole=1&st./gci/1H96711d710194bfegcil1=1';
 1777:     }
 1778:     if (caller == 'createtest') {
 1779:         document.location.href = '$createtesturl';
 1780:     }
 1781:     if (caller == 'managetest') {
 1782:         document.location.href = '$managetesturl';
 1783:     }
 1784:     return;
 1785: }
 1786: 
 1787: ENDCUSTOM
 1788:     }
 1789:        
 1790:     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
 1791:     if ($currenturl =~ m{^/adm/wrapper/ext/}) {
 1792:         if ($env{'request.external.querystring'}) {
 1793:             $currenturl .= ($currenturl=~/\?/)?'&':'?'.$env{'request.external.querystring'};
 1794:         }
 1795:     }
 1796:     $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
 1797:     
 1798:     my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
 1799:     my $nav_control=&nav_control_js();
 1800: 
 1801:     my $dc_popup_cid;
 1802:     if ($env{'user.adv'} && exists($env{'user.role.dc./'.
 1803:                         $env{'course.'.$env{'request.course.id'}.
 1804:                                  '.domain'}.'/'})) {
 1805:         $dc_popup_cid = &dc_popup_js();
 1806:     }
 1807: 
 1808:     my $start_page_annotate = 
 1809:         &Apache::loncommon::start_page('Annotator',undef,
 1810: 				       {'only_body' => 1,
 1811: 					'js_ready'  => 1,
 1812: 					'bgcolor'   => '#BBBBBB',
 1813: 					'add_entries' => {
 1814: 					    'onload' => 'javascript:document.goannotate.submit();'}});
 1815: 
 1816:     my $end_page_annotate = 
 1817:         &Apache::loncommon::end_page({'js_ready' => 1});
 1818: 
 1819:     my $start_page_bookmark = 
 1820:         &Apache::loncommon::start_page('Bookmarks',undef,
 1821: 				       {'only_body' => 1,
 1822: 					'js_ready'  => 1,
 1823: 					'bgcolor'   => '#BBBBBB',});
 1824: 
 1825:     my $end_page_bookmark = 
 1826:         &Apache::loncommon::end_page({'js_ready' => 1});
 1827: 
 1828: return (<<ENDUTILITY)
 1829: 
 1830:     var currentURL="$currenturl";
 1831:     var reloadURL="$currenturl";
 1832:     var currentSymb="$currentsymb";
 1833: 
 1834: $nav_control
 1835: $dc_popup_cid
 1836: 
 1837: $gcimenujs
 1838: 
 1839: function go(url) {
 1840:    if (url!='' && url!= null) {
 1841:        currentURL = null;
 1842:        currentSymb= null;
 1843:        window.location.href=url;
 1844:    }
 1845: }
 1846: 
 1847: function gotop(url) {
 1848:     if (url!='' && url!= null) {
 1849:         top.location.href = url;
 1850:     }
 1851: }
 1852: 
 1853: function gopost(url,postdata) {
 1854:    if (url!='') {
 1855:       this.document.server.action=url;
 1856:       this.document.server.postdata.value=postdata;
 1857:       this.document.server.command.value='';
 1858:       this.document.server.url.value='';
 1859:       this.document.server.symb.value='';
 1860:       this.document.server.submit();
 1861:    }
 1862: }
 1863: 
 1864: function gocmd(url,cmd) {
 1865:    if (url!='') {
 1866:       this.document.server.action=url;
 1867:       this.document.server.postdata.value='';
 1868:       this.document.server.command.value=cmd;
 1869:       this.document.server.url.value=currentURL;
 1870:       this.document.server.symb.value=currentSymb;
 1871:       this.document.server.submit();
 1872:    }
 1873: }
 1874: 
 1875: function gocstr(url,filename) {
 1876:     if (url == '/adm/cfile?action=delete') {
 1877:         this.document.cstrdelete.filename.value = filename
 1878:         this.document.cstrdelete.submit();
 1879:         return;
 1880:     }
 1881:     if (url == '/adm/printout') {
 1882:         this.document.cstrprint.postdata.value = filename
 1883:         this.document.cstrprint.curseed.value = 0;
 1884:         this.document.cstrprint.problemtype.value = 0;
 1885:         if (this.document.lonhomework) {
 1886:             if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
 1887:                 this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
 1888:             }
 1889:             if (this.document.lonhomework.problemtype) {
 1890: 		if (this.document.lonhomework.problemtype.value) {
 1891: 		    this.document.cstrprint.problemtype.value = 
 1892: 			this.document.lonhomework.problemtype.value;
 1893: 		} else if (this.document.lonhomework.problemtype.options) {
 1894: 		    for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
 1895: 			if (this.document.lonhomework.problemtype.options[i].selected) {
 1896: 			    if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
 1897: 				this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
 1898: 				}
 1899: 			}
 1900: 		    }
 1901: 		}
 1902: 	    }
 1903: 	}
 1904:         this.document.cstrprint.submit();
 1905:         return;
 1906:     }
 1907:     if (url !='') {
 1908:         this.document.constspace.filename.value = filename;
 1909:         this.document.constspace.action = url;
 1910:         this.document.constspace.submit();
 1911:     }
 1912: }
 1913: 
 1914: function golist(url) {
 1915:    if (url!='' && url!= null) {
 1916:        currentURL = null;
 1917:        currentSymb= null;
 1918:        top.location.href=url;
 1919:    }
 1920: }
 1921: 
 1922: 
 1923: 
 1924: function catalog_info() {
 1925:    loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1926: }
 1927: 
 1928: function chat_win() {
 1929:    lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=480,resizable=yes,location=no,menubar=no,toolbar=no');
 1930: }
 1931: 
 1932: function group_chat(group) {
 1933:    var url = '/adm/groupchat?group='+group;
 1934:    var winName = 'LONchat_'+group;
 1935:    grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1936: }
 1937: 
 1938: function edit_bookmarks() {
 1939:    go('');
 1940:    w_BookmarkPal_flag=1;
 1941:    bookmarkpal=window.open("/adm/bookmarks",
 1942:                "BookmarkPal", "width=400,height=505,scrollbars=0");
 1943: }
 1944: 
 1945: function annotate() {
 1946:    w_Annotator_flag=1;
 1947:    annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
 1948:    annotator.document.write(
 1949:    '$start_page_annotate'
 1950:   +"<form name='goannotate' target='Annotator' method='post' "
 1951:   +"action='/adm/annotations'>"
 1952:   +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
 1953:   +"<\\/form>"
 1954:   +'$end_page_annotate');
 1955:    annotator.document.close();
 1956: }
 1957: 
 1958: function set_bookmark() {
 1959:    go('');
 1960:    clienttitle=document.title;
 1961:    clienthref=location.pathname;
 1962:    w_bmquery_flag=1;
 1963:    bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
 1964:    bmquery.document.write(
 1965:    '$start_page_bookmark'
 1966:    +'<center><form method="post"'
 1967:    +' name="newlink" action="/adm/bookmarks" target="bmquery" '
 1968:    +'> <table width="340" height="150" '
 1969:    +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
 1970:    +'type="text" name="title" size="45" value="'+clienttitle+'" />'
 1971:    +'<br />Address:<br /><input type="text" name="address" size="45" '
 1972:    +'value="'+clienthref+'" /><br /><center><input type="submit" '
 1973:    +'value="Save" /> <input type="button" value="Close" '
 1974:    +'onclick="javascript:window.close();" /></center></td>'
 1975:    +'</tr></table></form></center>'
 1976:    +'$end_page_bookmark' );
 1977:    bmquery.document.close();
 1978: }
 1979: 
 1980: ENDUTILITY
 1981: }
 1982: 
 1983: sub serverform {
 1984:     return(<<ENDSERVERFORM);
 1985: <form name="server" action="/adm/logout" method="post" target="_top">
 1986: <input type="hidden" name="postdata" value="none" />
 1987: <input type="hidden" name="command" value="none" />
 1988: <input type="hidden" name="url" value="none" />
 1989: <input type="hidden" name="symb" value="none" />
 1990: </form>
 1991: ENDSERVERFORM
 1992: }
 1993: 
 1994: sub constspaceform {
 1995:     return(<<ENDCONSTSPACEFORM);
 1996: <form name="constspace" action="/adm/logout" method="post" target="_top">
 1997: <input type="hidden" name="filename" value="" />
 1998: </form>
 1999: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
 2000: <input type="hidden" name="action" value="delete" /> 
 2001: <input type="hidden" name="filename" value="" />
 2002: </form>
 2003: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
 2004: <input type="hidden" name="postdata" value="" />
 2005: <input type="hidden" name="curseed" value="" />
 2006: <input type="hidden" name="problemtype" value="" />
 2007: </form>
 2008: 
 2009: ENDCONSTSPACEFORM
 2010: }
 2011: 
 2012: 
 2013: sub get_nav_status {
 2014:     my $navstatus="swmenu.w_loncapanav_flag=";
 2015:     if ($env{'environment.remotenavmap'} eq 'on') {
 2016: 	$navstatus.="1";
 2017:     } else {
 2018: 	$navstatus.="-1";
 2019:     }
 2020:     return $navstatus;
 2021: }
 2022: 
 2023: sub hidden_button_check {
 2024:     my $hidden;
 2025:     if ($env{'request.course.id'} eq '') {
 2026:         return;
 2027:     }
 2028:     if ($env{'request.role.adv'}) {
 2029:         unless (&Apache::loncommon::needs_gci_custom()) {
 2030:             return;
 2031:         }
 2032:     }
 2033:     my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
 2034:     return $buttonshide; 
 2035: }
 2036: 
 2037: sub roles_selector {
 2038:     my ($cdom,$cnum) = @_;
 2039:     my $crstype = &Apache::loncommon::course_type();
 2040:     my $now = time;
 2041:     my (%courseroles,%seccount);
 2042:     my $is_cc;
 2043:     my $role_selector;
 2044:     my $ccrole;
 2045:     if ($crstype eq 'Community') {
 2046:         $ccrole = 'co';
 2047:     } else {
 2048:         $ccrole = 'cc';
 2049:     } 
 2050:     if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) {
 2051:         my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum});
 2052:         
 2053:         if ((($start) && ($start<0)) || 
 2054:             (($end) && ($end<$now))  ||
 2055:             (($start) && ($now<$start))) {
 2056:             $is_cc = 0;
 2057:         } else {
 2058:             $is_cc = 1;
 2059:         }
 2060:     }
 2061:     if ($is_cc) {
 2062:         &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
 2063:     } else {
 2064:         my %gotnosection;
 2065:         foreach my $item (keys(%env)) {
 2066:             if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
 2067:                 my $role = $1;
 2068:                 my $sec = $2;
 2069:                 next if ($role eq 'gr');
 2070:                 my ($start,$end) = split(/\./,$env{$item});
 2071:                 next if (($start && $start > $now) || ($end && $end < $now));
 2072:                 if ($sec eq '') {
 2073:                     if (!$gotnosection{$role}) {
 2074:                         $seccount{$role} ++;
 2075:                         $gotnosection{$role} = 1;
 2076:                     }
 2077:                 }
 2078:                 if (ref($courseroles{$role}) eq 'ARRAY') {
 2079:                     if ($sec ne '') {
 2080:                         if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
 2081:                             push(@{$courseroles{$role}},$sec);
 2082:                             $seccount{$role} ++;
 2083:                         }
 2084:                     }
 2085:                 } else {
 2086:                     @{$courseroles{$role}} = ();
 2087:                     if ($sec ne '') {
 2088:                         $seccount{$role} ++;
 2089:                         push(@{$courseroles{$role}},$sec);
 2090:                     }
 2091:                 }
 2092:             }
 2093:         }
 2094:     }
 2095:     my $switchtext;
 2096:     if ($crstype eq 'Community') {
 2097:         $switchtext = &mt('Switch community role to...')
 2098:     } else {
 2099:         $switchtext = &mt('Switch course role to...')
 2100:     }
 2101:     my @roles_order = ($ccrole,'in','ta','ep','ad','st');
 2102:     if (keys(%courseroles) > 1) {
 2103:         $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles);
 2104:         $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
 2105:                           <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
 2106:         $role_selector .= '<option value="">'.$switchtext.'</option>';
 2107:         foreach my $role (@roles_order) {
 2108:             if (defined($courseroles{$role})) {
 2109:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role,$crstype).'</option>'; 
 2110:             }
 2111:         }
 2112:         foreach my $role (sort(keys(%courseroles))) {
 2113:             if ($role =~ /^cr/) {
 2114:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
 2115:             }
 2116:         }
 2117:         $role_selector .= '</select>'."\n".
 2118:                '<input type="hidden" name="destinationurl" value="'.
 2119:                &HTML::Entities::encode($ENV{'REQUEST_URI'}).'" />'."\n".
 2120:                '<input type="hidden" name="gotorole" value="1" />'."\n".
 2121:                '<input type="hidden" name="selectrole" value="" />'."\n".
 2122:                '<input type="hidden" name="switch" value="1" />'."\n".
 2123:                '</form>';
 2124:     }
 2125:     return $role_selector;
 2126: }
 2127: 
 2128: sub get_all_courseroles {
 2129:     my ($cdom,$cnum,$courseroles,$seccount) = @_;
 2130:     unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
 2131:         return;
 2132:     }
 2133:     my ($result,$cached) = 
 2134:         &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
 2135:     if (defined($cached)) {
 2136:         if (ref($result) eq 'HASH') {
 2137:             if ((ref($result->{'roles'}) eq 'HASH') && 
 2138:                 (ref($result->{'seccount'}) eq 'HASH')) {
 2139:                 %{$courseroles} = %{$result->{'roles'}};
 2140:                 %{$seccount} = %{$result->{'seccount'}};
 2141:                 return;
 2142:             }
 2143:         }
 2144:     }
 2145:     my %gotnosection;
 2146:     my %adv_roles =
 2147:          &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 2148:     foreach my $role (keys(%adv_roles)) {
 2149:         my ($urole,$usec) = split(/:/,$role);
 2150:         if (!$gotnosection{$urole}) {
 2151:             $seccount->{$urole} ++;
 2152:             $gotnosection{$urole} = 1;
 2153:         }
 2154:         if (ref($courseroles->{$urole}) eq 'ARRAY') {
 2155:             if ($usec ne '') {
 2156:                 if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
 2157:                     push(@{$courseroles->{$urole}},$usec);
 2158:                     $seccount->{$urole} ++;
 2159:                 }
 2160:             }
 2161:         } else {
 2162:             @{$courseroles->{$urole}} = ();
 2163:             if ($usec ne '') {
 2164:                 $seccount->{$urole} ++;
 2165:                 push(@{$courseroles->{$urole}},$usec);
 2166:             }
 2167:         }
 2168:     }
 2169:     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
 2170:     @{$courseroles->{'st'}} = ();
 2171:     if (keys(%sections_count) > 0) {
 2172:         push(@{$courseroles->{'st'}},keys(%sections_count));
 2173:         $seccount->{'st'} = scalar(keys(%sections_count)); 
 2174:     }
 2175:     my $rolehash = {
 2176:                      'roles'    => $courseroles,
 2177:                      'seccount' => $seccount,
 2178:                    };
 2179:     &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
 2180:     return;
 2181: }
 2182: 
 2183: sub jump_to_role {
 2184:     my ($cdom,$cnum,$seccount,$courseroles) = @_;
 2185:     my %lt = &Apache::lonlocal::texthash(
 2186:                 this => 'This role has section(s) associated with it.',
 2187:                 ente => 'Enter a specific section.',
 2188:                 orlb => 'Enter a specific section, or leave blank for no section.',
 2189:                 avai => 'Available sections are:',
 2190:                 youe => 'You entered an invalid section choice:',
 2191:                 plst => 'Please try again',
 2192:     );
 2193:     my $js;
 2194:     if (ref($courseroles) eq 'HASH') {
 2195:         $js = '    var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n". 
 2196:               '    var numsec = new Array();'."\n".
 2197:               '    var rolesections = new Array();'."\n".
 2198:               '    var rolenames = new Array();'."\n".
 2199:               '    var roleseclist = new Array();'."\n";
 2200:         my @items = keys(%{$courseroles});
 2201:         for (my $i=0; $i<@items; $i++) {
 2202:             $js .= '    rolenames['.$i.'] = "'.$items[$i].'";'."\n";
 2203:             my ($secs,$secstr);
 2204:             if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
 2205:                 my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
 2206:                 $secs = join('","',@sections);
 2207:                 $secstr = join(', ',@sections);
 2208:             }
 2209:             $js .= '    rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
 2210:                    '    roleseclist['.$i.'] = "'.$secstr.'";'."\n".
 2211:                    '    numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
 2212:         }
 2213:     }
 2214:     return <<"END";
 2215: <script type="text/javascript">
 2216: //<![CDATA[
 2217: function adhocRole(roleitem) {
 2218:     $js
 2219:     var newrole =  document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
 2220:     if (newrole == '') {
 2221:         return; 
 2222:     } 
 2223:     var fullrole = newrole+'./$cdom/$cnum';
 2224:     var selidx = '';
 2225:     for (var i=0; i<rolenames.length; i++) {
 2226:         if (rolenames[i] == newrole) {
 2227:             selidx = i;
 2228:         }
 2229:     }
 2230:     var secok = 1;
 2231:     var secchoice = '';
 2232:     if (selidx >= 0) {
 2233:         if (numsec[selidx] > 1) {
 2234:             secok = 0;
 2235:             var numrolesec = rolesections[selidx].length;
 2236:             var msgidx = numsec[selidx] - numrolesec;
 2237:             secchoice = prompt("$lt{'this'}\\n"+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
 2238:             if (secchoice == '') {
 2239:                 if (msgidx > 0) {
 2240:                     secok = 1;
 2241:                 }
 2242:             } else {
 2243:                 for (var j=0; j<rolesections[selidx].length; j++) {
 2244:                     if (rolesections[selidx][j] == secchoice) {
 2245:                         secok = 1;
 2246:                     }
 2247:                 }
 2248:             }
 2249:         } else {
 2250:             if (rolesections[selidx].length == 1) {
 2251:                 secchoice = rolesections[selidx][0];
 2252:             }
 2253:         }
 2254:     }
 2255:     if (secok == 1) {
 2256:         if (secchoice != '') {
 2257:             fullrole += '/'+secchoice;
 2258:         }
 2259:     } else {
 2260:         document.rolechooser.elements[roleitem].selectedIndex = 0;
 2261:         if (secchoice != null) {
 2262:             alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
 2263:         }
 2264:         return;
 2265:     }
 2266:     if (fullrole == "$env{'request.role'}") {
 2267:         return;
 2268:     }
 2269:     itemid = retrieveIndex('gotorole');
 2270:     if (itemid != -1) {
 2271:         document.rolechooser.elements[itemid].name = fullrole;
 2272:     }
 2273:     document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
 2274:     document.rolechooser.selectrole.value = '1';
 2275:     document.rolechooser.submit();
 2276:     return;
 2277: }
 2278: 
 2279: function retrieveIndex(item) {
 2280:     for (var i=0;i<document.rolechooser.elements.length;i++) {
 2281:         if (document.rolechooser.elements[i].name == item) {
 2282:             return i;
 2283:         }
 2284:     }
 2285:     return -1;
 2286: }
 2287: // ]]>
 2288: </script>
 2289: END
 2290: }
 2291: 
 2292: 
 2293: # ================================================================ Main Program
 2294: 
 2295: BEGIN {
 2296:     if (! defined($readdesk)) {
 2297:         {
 2298:             my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
 2299:             if ( CORE::open( my $config,"<$tabfile") ) {
 2300:                 while (my $configline=<$config>) {
 2301:                     $configline=(split(/\#/,$configline))[0];
 2302:                     $configline=~s/^\s+//;
 2303:                     chomp($configline);
 2304:                     if ($configline=~/^cat\:/) {
 2305:                         my @entries=split(/\:/,$configline);
 2306:                         $category_positions{$entries[2]}=$entries[1];
 2307:                         $category_names{$entries[2]}=$entries[3];
 2308:                     } elsif ($configline=~/^prim\:/) {
 2309:                         my @entries = (split(/\:/, $configline))[1..5];
 2310:                         push @primary_menu, \@entries;
 2311:                     } elsif ($configline=~/^scnd\:/) {
 2312:                         my @entries = (split(/\:/, $configline))[1..5];
 2313:                         push @secondary_menu, \@entries; 
 2314:                     } elsif ($configline) {
 2315:                         push(@desklines,$configline);
 2316:                     }
 2317:                 }
 2318:                 CORE::close($config);
 2319:             }
 2320:         }
 2321:         $readdesk='done';
 2322:     }
 2323: }
 2324: 
 2325: 1;
 2326: __END__
 2327: 

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