File:  [LON-CAPA] / loncom / interface / lonmenu.pm
Revision 1.440: download - view: text, annotated - select for diffs
Tue Mar 15 14:25:26 2016 UTC (8 years, 2 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD
- Bug 6763
  - "Done" button used to end a timed event can include a textbox where a
    required key is entered.

    1: # The LearningOnline Network with CAPA
    2: # Routines to control the menu
    3: #
    4: # $Id: lonmenu.pm,v 1.440 2016/03/15 14:25:26 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: 
   30: =head1 NAME
   31: 
   32: Apache::lonmenu
   33: 
   34: =head1 SYNOPSIS
   35: 
   36: Loads contents of /home/httpd/lonTabs/mydesk.tab, 
   37: used to generate inline menu, and Main Menu page. 
   38: 
   39: This is part of the LearningOnline Network with CAPA project
   40: described at http://www.lon-capa.org.
   41: 
   42: =head1 GLOBAL VARIABLES
   43: 
   44: =over
   45: 
   46: =item @desklines
   47: 
   48: Each element of this array contains a line of mydesk.tab that doesn't start with
   49: cat, prim or scnd. 
   50: It gets filled in the BEGIN block of this module.
   51: 
   52: =item %category_names
   53: 
   54: The keys of this hash are the abbreviations used in mydesk.tab in those lines that 
   55: start with cat, the values are strings representing titles. 
   56: It gets filled in the BEGIN block of this module.
   57: 
   58: =item %category_members
   59: 
   60: TODO 
   61: 
   62: =item %category_positions
   63: 
   64: The keys of this hash are the abbreviations used in mydesk.tab in those lines that
   65: start with cat, its values are position vectors (column, row). 
   66: It gets filled in the BEGIN block of this module.
   67: 
   68: =item $readdesk
   69: 
   70: Indicates that mydesk.tab has been read. 
   71: It is set to 'done' in the BEGIN block of this module.
   72: 
   73: =item @primary_menu
   74: 
   75: The elements of this array reference arrays that are made up of the components
   76: of those lines of mydesk.tab that start with prim:.
   77: It is used by primary_menu() to generate the corresponding menu.
   78: It gets filled in the BEGIN block of this module.
   79: 
   80: =item %primary_sub_menu
   81: 
   82: The keys of this hash reference are the names of items in the primary_menu array 
   83: which have sub-menus.  For each key, the corresponding value is a reference to
   84: an array containing components extracted from lines in mydesk.tab which begin
   85: with primsub:.
   86: This hash, which is used by primary_menu to generate sub-menus, is populated in
   87: the BEGIN block.
   88: 
   89: =item @secondary_menu
   90: 
   91: The elements of this array reference arrays that are made up of the components
   92: of those lines of mydesk.tab that start with scnd.
   93: It is used by secondary_menu() to generate the corresponding menu.
   94: It gets filled in the BEGIN block of this module.
   95: 
   96: =back
   97: 
   98: =head1 SUBROUTINES
   99: 
  100: =over
  101: 
  102: =item prep_menuitems(\@menuitem)
  103: 
  104: This routine wraps a menuitem in proper HTML. It is used by primary_menu() and 
  105: secondary_menu().
  106: 
  107: =item primary_menu()
  108: 
  109: This routine evaluates @primary_menu and returns a two item array, 
  110: with the array elements containing XHTML for the left and right sides of 
  111: the menu that contains the following links: About, Message, Roles, Help, Logout 
  112: @primary_menu is filled within the BEGIN block of this module with 
  113: entries from mydesk.tab
  114: 
  115: =item secondary_menu()
  116: 
  117: Same as primary_menu() but operates on @secondary_menu.
  118: 
  119: =item create_submenu()
  120: 
  121: Creates XHTML for unordered list of sub-menu items which belong to a 
  122: particular top-level menu item. Uses hover pseudo class in css to display
  123: dropdown list when mouse hovers over top-level item. Support for IE6 
  124: (no hover psuedo class) via LC_hoverable class for <li> tag for top-
  125: level item, which employs jQuery to handle behavior on mouseover.
  126: 
  127: Inputs: 4 - (a) link and (b) target for anchor href in top level item,
  128:             (c) title for text wrapped by anchor tag in top level item.
  129:             (d) reference to array of arrays of sub-menu items.
  130: 
  131:  The underlying datastructure used in (d) contains data from mydesk.tab.
  132:  It consists of an array which has an array for each item appearing in
  133:  the menu (e.g. [["link", "title", "condition"]] for a single-item menu).
  134:  create_submenu() supports also the creation of XHTML for nested dropdown
  135:  menus represented by unordered lists. This is done by replacing the
  136:  scalar used for the link with an arrayreference containing the menuitems
  137:  for the nested menu. This can be done recursively so that the next menu
  138:  may also contain nested submenus.
  139: 
  140:  Example:
  141:  [											# begin of datastructure
  142: 	["/home/", "Home", "condition1"], 		# 1st item of the 1st layer menu
  143: 	[										# 2nd item of the 1st layer menu
  144: 		[									# anon. array for nested menu
  145: 			["/path1", "Path1", undef], 	# 1st item of the 2nd layer menu
  146: 			["/path2", "Path2", undef], 	# 2nd item of the 2nd layer menu
  147: 			[								# 3rd item of the 2nd layer menu
  148: 				[[...], [...], ..., [...]],	# containing another menu layer
  149: 				"Sub-Sub-Menu",				# title for this container
  150: 				undef
  151: 			]
  152: 		],									# end of array/nested menu
  153: 		"Sub-Menu",							# title for the container item
  154: 		undef
  155: 	]										# end of 2nd item of the 1st layer menu
  156: ]
  157: 
  158: =item innerregister()
  159: 
  160: This gets called in order to register a URL in the body of the document
  161: 
  162: =item clear()
  163: 
  164: =item switch()
  165: 
  166: Switch a button or create a link
  167: Switch acts on the javascript that is executed when a button is clicked.  
  168: The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
  169: 
  170: =item secondlevel()
  171: 
  172: =item openmenu()
  173: 
  174: =item inlinemenu()
  175: 
  176: =item rawconfig()
  177: 
  178: =item utilityfunctions()
  179: 
  180: Output from this routine is a number of javascript functions called by
  181: items in the inline menu, and in some cases items in the Main Menu page. 
  182: 
  183: =item serverform()
  184: 
  185: =item constspaceform()
  186: 
  187: =item get_nav_status()
  188: 
  189: =item hidden_button_check()
  190: 
  191: =item roles_selector()
  192: 
  193: =item jump_to_role()
  194: 
  195: =back
  196: 
  197: =cut
  198: 
  199: package Apache::lonmenu;
  200: 
  201: use strict;
  202: use Apache::lonnet;
  203: use Apache::lonhtmlcommon();
  204: use Apache::loncommon();
  205: use Apache::lonenc();
  206: use Apache::lonlocal;
  207: use Apache::lonmsg();
  208: use LONCAPA qw(:DEFAULT :match);
  209: use HTML::Entities();
  210: use Apache::lonwishlist();
  211: 
  212: use vars qw(@desklines %category_names %category_members %category_positions 
  213:             $readdesk @primary_menu %primary_submenu @secondary_menu);
  214: 
  215: my @inlineremote;
  216: 
  217: sub prep_menuitem {
  218:     my ($menuitem) = @_;
  219:     return '' unless(ref($menuitem) eq 'ARRAY');
  220:     my $link;
  221:     if ($$menuitem[1]) { # graphical Link
  222:         $link = "<img class=\"LC_noBorder\""
  223:               . " src=\"" . &Apache::loncommon::lonhttpdurl($$menuitem[1]) . "\"" 
  224:               . " alt=\"" . &mt($$menuitem[2]) . "\" />";
  225:     } else {             # textual Link
  226:         $link = &mt($$menuitem[3]);
  227:     }
  228:     return '<li><a' 
  229:            # highlighting for new messages
  230:            . ( $$menuitem[4] eq 'newmsg' ? ' class="LC_new_message"' : '') 
  231:            . qq| href="$$menuitem[0]" target="_top">$link</a></li>|;
  232: }
  233: 
  234: # primary_menu() evaluates @primary_menu and returns a two item array,
  235: # with the array elements containing XHTML for the left and right sides of 
  236: # the menu that contains the following links:
  237: # Personal, About, Message, Roles, Help, Logout
  238: # @primary_menu is filled within the BEGIN block of this module with 
  239: # entries from mydesk.tab
  240: sub primary_menu {
  241:     my (%menu);
  242:     # each element of @primary contains following array:
  243:     # (link url, icon path, alt text, link text, condition, position)
  244:     my $public;
  245:     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
  246:         || (($env{'user.name'} eq '') && ($env{'user.domain'} eq ''))) {
  247:         $public = 1;
  248:     }
  249:     foreach my $menuitem (@primary_menu) {
  250:         # evaluate conditions 
  251:         next if    ref($menuitem)       ne 'ARRAY';    #
  252:         next if    $$menuitem[4]        eq 'nonewmsg'  # show links depending on
  253:                 && &Apache::lonmsg::mynewmail();       # whether a new msg 
  254:         next if    $$menuitem[4]        eq 'newmsg'    # arrived or not
  255:                 && !&Apache::lonmsg::mynewmail();      # 
  256:         next if    $$menuitem[4]        !~ /public/    ##we've a public user,
  257:                 && $public;                            ##who should not see all
  258:                                                        ##links
  259:         next if    $$menuitem[4]        eq 'onlypublic'# hide links which are 
  260:                 && !$public;                           # only visible to public
  261:                                                        # users
  262:         next if    $$menuitem[4]        eq 'roles'     ##show links depending on
  263:                 && &Apache::loncommon::show_course();  ##term 'Courses' or 
  264:         next if    $$menuitem[4]        eq 'courses'   ##'Roles' wanted
  265:                 && !&Apache::loncommon::show_course(); ##
  266:         
  267:         my $title = $menuitem->[3];
  268:         my $position = $menuitem->[5];
  269:         if ($position eq '') {
  270:             $position = 'right';
  271:         }
  272:         if (defined($primary_submenu{$title})) {
  273:             my ($link,$target);
  274:             if ($menuitem->[0] ne '') {
  275:                 $link = $menuitem->[0];
  276:                 $target = '_top';
  277:             } else {
  278:                 $link = '#';
  279:             }
  280:             my @primsub;
  281:             if (ref($primary_submenu{$title}) eq 'ARRAY') {
  282:                 foreach my $item (@{$primary_submenu{$title}}) {
  283:                     next if (($item->[2] eq 'wishlist') && (!$env{'user.adv'}));
  284:                     next if ((($item->[2] eq 'portfolio') ||
  285:                              ($item->[2] eq 'blog')) &&
  286:                              (!&Apache::lonnet::usertools_access('','',$item->[2],
  287:                                                            undef,'tools')));
  288:                     push(@primsub,$item);
  289:                 }
  290:                 if (@primsub > 0) {
  291:                     if ($title eq 'Personal' && $env{'user.name'} && $env{'user.domain'} ) {
  292:                         $title = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
  293:                     } else {
  294:                         $title = &mt($title);
  295:                     }
  296:                     $menu{$position} .= &create_submenu($link,$target,$title,\@primsub,1);
  297:                 } elsif ($link) {
  298:                     $menu{$position} .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
  299:                 }
  300:             }
  301:         } elsif ($$menuitem[3] eq 'Help') { # special treatment for helplink
  302:             if ($public) {
  303:                 my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
  304:                 my $defdom = &Apache::lonnet::default_login_domain();
  305:                 my $to = &Apache::loncommon::build_recipient_list(undef,
  306:                                                                   'helpdeskmail',
  307:                                                                   $defdom,$origmail);
  308:                 if ($to ne '') {
  309:                     $menu{$position} .= &prep_menuitem($menuitem); 
  310:                 }
  311:             } else {
  312:                 $menu{$position} .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
  313:             }
  314:         } else {
  315:             $menu{$position} .= prep_menuitem($menuitem);
  316:         }
  317:     }
  318:     my @output = ('','');
  319:     if ($menu{'left'} ne '') {
  320:         $output[0] = "<ol class=\"LC_primary_menu LC_floatleft\">$menu{'left'}</ol>";
  321:     }
  322:     if ($menu{'right'} ne '') {
  323:         $output[1] = "<ol class=\"LC_primary_menu LC_floatright LC_right\">$menu{'right'}</ol>";
  324:     }
  325:     return @output;
  326: }
  327: 
  328: #returns hashref {user=>'',dom=>''} containing:
  329: #   own name, domain if user is au
  330: #   name, domain of parent author if user is ca or aa
  331: #empty return if user is not an author or not on homeserver
  332: #
  333: #TODO this should probably be moved somewhere more central
  334: #since it can be used by different parts of the system
  335: sub getauthor{
  336:     return unless $env{'request.role'}=~/^(ca|aa|au)/; #nothing to do if user isn't some kind of author
  337: 
  338:                         #co- or assistent author?
  339:     my ($dom, $user) = ($env{'request.role'} =~ /^(?:ca|aa)\.\/($match_domain)\/($match_username)$/)
  340:                        ? ($1, $2) #domain, username of the parent author
  341:                        : @env{ ('request.role.domain', 'user.name') }; #own domain, username
  342: 
  343:     # current server == home server?
  344:     my $home =  &Apache::lonnet::homeserver($user,$dom);
  345:     foreach (&Apache::lonnet::current_machine_ids()){
  346:         return {user => $user, dom => $dom} if $_ eq $home;
  347:     }
  348: 
  349:     # if wrong server
  350:     return;
  351: }
  352: 
  353: sub secondary_menu {
  354:     my ($httphost) = @_;
  355:     my $menu;
  356: 
  357:     my $crstype = &Apache::loncommon::course_type();
  358:     my $crs_sec = $env{'request.course.id'} . ($env{'request.course.sec'} 
  359:                                                ? "/$env{'request.course.sec'}"
  360:                                                : '');
  361:     my $canedit       = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
  362:     my $canviewroster = $env{'course.'.$env{'request.course.id'}.'.student_classlist_view'};
  363:     if ($canviewroster eq 'disabled') {
  364:         undef($canviewroster);
  365:     }
  366:     my $canviewgrps   = &Apache::lonnet::allowed('vcg', $crs_sec); 
  367:     my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec); 
  368:     my $canviewwnew   = &Apache::lonnet::allowed('whn', $crs_sec); 
  369:     my $canmodpara    = &Apache::lonnet::allowed('opa', $crs_sec);
  370:     my $canvgr        = &Apache::lonnet::allowed('vgr', $crs_sec);
  371:     my $canmgr        = &Apache::lonnet::allowed('mgr', $crs_sec); 
  372:     my $author        = &getauthor();
  373: 
  374:     my ($cdom,$cnum,$showsyllabus,$showfeeds,$showresv,$grouptools);
  375:     $grouptools = 0;
  376:     if ($env{'request.course.id'}) {
  377:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  378:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  379:         if ($canedit) {
  380:             $showsyllabus = 1;
  381:             $showfeeds = 1;
  382:         } else {
  383:             unless (&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus")) {
  384:                 if (($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) ||
  385:                     ($env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) ||
  386:                     ($env{'course.'.$env{'request.course.id'}.'.updatedsyllabus'}) ||
  387:                     ($env{'request.course.syllabustime'})) {
  388:                     $showsyllabus = 1;
  389:                 }
  390:             }
  391:             if ($env{'request.course.feeds'}) {
  392:                 $showfeeds = 1;
  393:             }
  394:         }
  395:         unless ($canmgr) {
  396:             my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
  397:             if (keys(%slots) > 0) {
  398:                 $showresv = 1;
  399:             }
  400:         }
  401:         my %groups = &Apache::lonnet::get_active_groups(
  402:                      $env{'user.domain'}, $env{'user.name'},$cdom,$cnum);
  403:         if (%groups) {
  404:             foreach my $group (keys(%groups)) {
  405:                 my @privs = split(/:/,$env{"user.priv.$env{'request.role'}./$cdom/$cnum/$group"});
  406:                 shift(@privs);
  407:                 if (@privs) {
  408:                     $grouptools ++;
  409:                 }
  410:             }
  411:         }
  412:     }
  413: 
  414:     my ($canmodifycoauthor); 
  415:     if ($env{'request.role'} eq "au./$env{'user.domain'}/") {
  416:         my $extent = "$env{'user.domain'}/$env{'user.name'}";
  417:         if ((&Apache::lonnet::allowed('cca',$extent)) ||
  418:             (&Apache::lonnet::allowed('caa',$extent))) {
  419:             $canmodifycoauthor = 1;
  420:         }
  421:     }
  422:     my ($roleswitcher_js,$roleswitcher_form);
  423: 
  424:     foreach my $menuitem (@secondary_menu) {
  425:         # evaluate conditions 
  426:         next if    ref($menuitem)  ne 'ARRAY';
  427:         next if    $$menuitem[4]   ne 'always'
  428:                 && ($$menuitem[4]   ne 'author' && $$menuitem[4] ne 'cca')
  429:                 && !$env{'request.course.id'};
  430:         next if    $$menuitem[4]   =~ /^mdc/
  431:                 && !$canedit;
  432:         next if    $$menuitem[4]  eq 'nvgr'
  433:                 && $canvgr;
  434:         next if    $$menuitem[4]  eq 'vgr'
  435:                 && !$canvgr;
  436:         next if    $$menuitem[4]   eq 'cst'
  437:                 && !$canmodifyuser;
  438:         next if    $$menuitem[4]   eq 'ncst'
  439:                 && ($canmodifyuser || !$canviewroster);
  440:         next if    $$menuitem[4]   eq 'mgr'
  441:                 && !$canmgr;
  442:         next if    $$menuitem[4]   eq 'showresv'
  443:                 && !$showresv;
  444:         next if    $$menuitem[4]   eq 'whn'
  445:                 && !$canviewwnew;
  446:         next if    $$menuitem[4]   eq 'opa'
  447:                 && !$canmodpara;
  448:         next if    $$menuitem[4]   =~ /showgroups$/
  449:                 && !$canviewgrps
  450:                 && !$grouptools;
  451:         next if    $$menuitem[4]   eq 'showsyllabus'
  452:                 && !$showsyllabus;
  453:         next if    $$menuitem[4]   eq 'showfeeds'
  454:                 && !$showfeeds;
  455:         next if    $$menuitem[4]    eq 'author'
  456:                 && !$author;
  457:         next if    $$menuitem[4]    eq 'cca'
  458:                 && !$canmodifycoauthor;
  459: 
  460:         if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
  461:             # special treatment for role selector
  462:             ($roleswitcher_js,$roleswitcher_form,my $switcher) =
  463:                 &roles_selector(
  464:                         $env{'course.' . $env{'request.course.id'} . '.domain'},
  465:                         $env{'course.' . $env{'request.course.id'} . '.num'},
  466:                         $httphost
  467:                 );
  468:             $menu .= $switcher;
  469:         } else {
  470:             if ($$menuitem[3] eq 'Syllabus' && $env{'request.course.id'}) {
  471:                 my $url = $$menuitem[0];
  472:                 $url =~ s{\[cdom\]/\[cnum\]}{$cdom/$cnum};
  473:                 if (&Apache::lonnet::is_on_map($url)) {
  474:                     unless ($$menuitem[0] =~ /\?register=1/) {
  475:                         $$menuitem[0] .= '?register=1';
  476:                     }
  477:                 } else {
  478:                     $$menuitem[0] =~ s{\?register=1}{};
  479:                 }
  480:             }
  481:             $menu .= &prep_menuitem(\@$menuitem);
  482:         }
  483:     }
  484:     if ($menu =~ /\[url\].*\[symb\]/) {
  485:         my $escurl  = &escape( &Apache::lonenc::check_encrypt(
  486:                              $env{'request.noversionuri'}));
  487: 
  488:         my $escsymb = &escape( &Apache::lonenc::check_encrypt(
  489:                              $env{'request.symb'})); 
  490: 
  491:         if (    $env{'request.state'} eq 'construct'
  492:             and (   $env{'request.noversionuri'} eq '' 
  493:                  || !defined($env{'request.noversionuri'}))) 
  494:         {
  495:             my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
  496:             ($escurl = $env{'request.filename'}) =~ s{^\Q$londocroot\E}{};
  497:             $escurl  = &escape($escurl);
  498:         }    
  499:         $menu =~ s/\[url\]/$escurl/g;
  500:         $menu =~ s/\[symb\]/$escsymb/g;
  501:     }
  502:     $menu =~ s/\[uname\]/$$author{user}/g;
  503:     $menu =~ s/\[udom\]/$$author{dom}/g;
  504:     if ($showsyllabus || $showfeeds) {
  505:         $menu =~ s/\[cnum\]/$cnum/g;
  506:         $menu =~ s/\[cdom\]/$cdom/g;
  507:     }
  508:     if ($menu) {
  509:         $menu = "<ul id=\"LC_secondary_menu\">$menu</ul>";
  510:     }
  511:     if ($roleswitcher_form) {
  512:         $menu .= "\n$roleswitcher_js\n$roleswitcher_form";
  513:     }
  514:     return $menu;
  515: }
  516: 
  517: sub create_submenu {
  518:     my ($link,$target,$title,$submenu,$translate) = @_;
  519:     return unless (ref($submenu) eq 'ARRAY');
  520:     my $disptarget;
  521:     if ($target ne '') {
  522:         $disptarget = ' target="'.$target.'"';
  523:     }
  524:     my $menu = '<li class="LC_hoverable">'.
  525:                '<a href="'.$link.'"'.$disptarget.'>'.
  526:                '<span class="LC_nobreak">'.$title.
  527:                '<span class="LC_fontsize_small" style="font-weight:normal;">'.
  528:                ' &#9660;</span></span></a>'.
  529:                '<ul>';
  530: 
  531:     # $link and $title are only used in the initial string written in $menu
  532:     # as seen above, not needed for nested submenus
  533:     $menu .= &build_submenu($target, $submenu, $translate, '1');
  534:     $menu .= '</ul></li>';
  535: 
  536:     return $menu;
  537: }
  538: 
  539: # helper routine for create_submenu
  540: # build the dropdown (and nested submenus) recursively
  541: # see perldoc create_submenu documentation for further information
  542: sub build_submenu {
  543:     my ($target, $submenu, $translate, $first_level) = @_; 
  544:     if (!defined(@{$submenu})) {
  545:         return '';
  546:     }
  547: 
  548:     my $menu = '';
  549:     my $count = 0;
  550:     my $numsub = scalar(@{$submenu});
  551:     foreach my $item (@{$submenu}) {
  552:         $count ++;
  553:         if (ref($item) eq 'ARRAY') {
  554:             my $href = $item->[0];
  555:             my $bordertop;
  556:             my $borderbot;
  557:             my $title;
  558: 
  559:             if ($translate) {
  560:                  $title = &mt($item->[1]);
  561:             } else {
  562:                 $title = $item->[1];
  563:             }
  564: 
  565:             if ($count == 1 && !$first_level) {
  566:                 $bordertop = 'border-top: 1px solid black;';
  567:             }
  568:             if ($count == $numsub) {
  569:                 $borderbot = 'border-bottom: 1px solid black;';
  570:             }
  571: 
  572:             # href is a reference to another submenu
  573:             if (ref($href) eq 'ARRAY') {
  574:                 $menu .= '<li style="margin:0;padding:0;'.$bordertop . $borderbot . '">';
  575:                 $menu .= '<p><span class="LC_primary_menu_innertitle">'
  576: 					. $title . '</span><span class="LC_primary_menu_innerarrow">&#9654;</span></p>';
  577:                 $menu .= '<ul>';
  578:                 $menu .= &build_submenu($target, $href, $translate);
  579:                 $menu .= '</ul>';
  580:                 $menu .= '</li>';    
  581:             } else {    # href is the actual hyperlink and does not represent another submenu
  582:                         # for the current menu title
  583:                 if ($href =~ /(aboutme|rss\.html)$/) {
  584:                     next unless (($env{'user.name'} ne '') && ($env{'user.domain'} ne ''));
  585:                     $href =~ s/\[domain\]/$env{'user.domain'}/g;
  586:                     $href =~ s/\[user\]/$env{'user.name'}/g;
  587:                 }
  588:                 unless (($href eq '') || ($href =~ /^\#/)) {
  589:                     $target = ' target="_top"';
  590:                 }
  591: 
  592:                 $menu .= '<li style="margin:0;padding:0;'. $bordertop . $borderbot .'">';
  593:                 $menu .= '<a href="'.$href.'"'.$target.'>' .  $title . '</a>';
  594:                 $menu .= '</li>';
  595:             }
  596:         }
  597:     }
  598:     return $menu;
  599: }
  600: 
  601: sub innerregister {
  602:     my ($forcereg,$bread_crumbs,$group) = @_;
  603:     my $const_space = ($env{'request.state'} eq 'construct');
  604:     my $is_const_dir = 0;
  605: 
  606:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  607: 
  608:     $env{'request.registered'} = 1;
  609: 
  610:     undef(@inlineremote);
  611: 
  612:     my ($mapurl,$resurl);
  613: 
  614:     if ($env{'request.course.id'}) {
  615:         if ($env{'request.symb'}) {
  616:             ($mapurl, my $rid, $resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
  617:             my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
  618: 
  619:             my $maptitle = &Apache::lonnet::gettitle($mapurl);
  620:             my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
  621: 
  622: #SD
  623: #course_type only Course and Community?
  624: #
  625:             my @crumbs;
  626:             unless (($forcereg) &&
  627:                     ($env{'request.noversionuri'} eq '/adm/navmaps') &&
  628:                     ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
  629:                 @crumbs = ({text  => Apache::loncommon::course_type() 
  630:                                     . ' Contents', 
  631:                             href  => "Javascript:gopost('/adm/navmaps','')"});
  632:             }
  633:             if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
  634:                 push(@crumbs, {text  => '...',
  635:                                no_mt => 1});
  636:             }
  637: 
  638:             push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
  639:                                                        && $maptitle ne 'default.sequence' 
  640:                                                        && $maptitle ne $coursetitle);
  641: 
  642:             push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
  643:             my @tools;
  644:             if ($env{'request.filename'} =~ /\.page$/) {
  645:                 my %breadcrumb_tools = &Apache::lonhtmlcommon::current_breadcrumb_tools();
  646:                 if (ref($breadcrumb_tools{'tools'}) eq 'ARRAY') {
  647:                     @tools = @{$breadcrumb_tools{'tools'}};
  648:                 }
  649:             }
  650:             &Apache::lonhtmlcommon::clear_breadcrumbs();
  651:             &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
  652:             if (@tools) {
  653:                 &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',@tools);
  654:             }
  655:         } else {
  656:             $resurl = $env{'request.noversionuri'};
  657:             my $courseurl = &Apache::lonnet::courseid_to_courseurl($env{'request.course.id'});
  658:             my $crstype = &Apache::loncommon::course_type();
  659:             my $title = &mt('View Resource');
  660:             if ($resurl =~ m{^\Q/uploaded$courseurl/supplemental/\E(default|\d+)/}) {
  661:                 &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folderpath','title']);
  662:                 &Apache::lonhtmlcommon::clear_breadcrumbs();
  663:                 if ($env{'form.title'}) {
  664:                     $title = $env{'form.title'};
  665:                 }
  666:                 my $trail;
  667:                 if ($env{'form.folderpath'}) {
  668:                     &prepare_functions($resurl,$forcereg,$group,undef,undef,1);
  669:                     ($trail) =
  670:                         &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
  671:                 } else {
  672:                     &Apache::lonhtmlcommon::add_breadcrumb(
  673:                     {text  => "Supplemental $crstype Content",
  674:                      href  => "javascript:gopost('/adm/supplemental','')"});
  675:                     $title = &mt('View Resource');
  676:                     ($trail) = 
  677:                         &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
  678:                 }
  679:                 return $trail;
  680:             } elsif ($resurl =~ m{^\Q/uploaded$courseurl/portfolio/syllabus/}) {
  681:                 &Apache::lonhtmlcommon::clear_breadcrumbs();
  682:                 &prepare_functions('/public'.$courseurl."/syllabus",
  683:                                    $forcereg,$group,undef,undef,1);
  684:                 $title = &mt('Syllabus File');
  685:                 my ($trail) =
  686:                     &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
  687:                 return $trail;
  688:             }
  689:             unless ($env{'request.state'} eq 'construct') {
  690:                 &Apache::lonhtmlcommon::clear_breadcrumbs();
  691:                 &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
  692:             }
  693:         }
  694:     } elsif (! $const_space){
  695:         #a situation when we're looking at a resource outside of context of a 
  696:         #course or construction space (e.g. with cumulative rights)
  697:         &Apache::lonhtmlcommon::clear_breadcrumbs();
  698:         unless ($env{'request.noversionuri'} =~ m{^/adm/$match_domain/$match_username/aboutme$}) {
  699:             &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
  700:         }
  701:     }
  702: # =============================================================================
  703: # ============================ This is for URLs that actually can be registered
  704:     return '' unless ( ($env{'request.noversionuri'}!~m{^/(res/)*adm/}) 
  705:                        || $forcereg );
  706:     my ($cdom,$cnum,%perms,$cfile,$switchserver,$home,$forceedit,
  707:         $forceview,$editbutton);
  708:     if (($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) ||
  709:         ($env{'request.role'} !~/^(aa|ca|au)/)) {
  710:         $editbutton = &prepare_functions($resurl,$forcereg,$group);
  711:     }
  712:     if ($editbutton eq '') {
  713:         $editbutton = &clear(6,1);
  714:     }
  715: 
  716: #
  717: # This applies in course context
  718: #
  719:     if ($env{'request.course.id'}) {
  720:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  721:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  722:         $perms{'mdc'} = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
  723:         my @privs;
  724:         if ($env{'request.symb'} ne '') {
  725:              if ($env{'request.filename'}=~/$LONCAPA::assess_re/) {
  726:                  push(@privs,('mgr','vgr'));
  727:              }
  728:              push(@privs,'opa');
  729:         }
  730:         foreach my $priv (@privs) {
  731:             $perms{$priv} = &Apache::lonnet::allowed($priv,$env{'request.course.id'});
  732:             if (!$perms{$priv} && $env{'request.course.sec'} ne '') {
  733:                 $perms{$priv} = 
  734:                     &Apache::lonnet::allowed($priv,"$env{'request.course.id'}/$env{'request.course.sec'}");
  735:             }
  736:         }
  737: #
  738: # Determine whether or not to show Grades and Submissions buttons
  739: #
  740:         if ($env{'request.symb'} ne '' &&
  741:             $env{'request.filename'}=~/$LONCAPA::assess_re/) {
  742:             if ($perms{'mgr'}) {
  743:                 &switch('','',7,2,'pgrd.png','Content Grades','grades[_4]',
  744:                         "gocmd('/adm/grades','gradingmenu')",
  745:                         'Content Grades');
  746:             } elsif ($perms{'vgr'}) {
  747:                 &switch('','',7,2,'subm.png','Content Submissions','missions[_1]',
  748:                         "gocmd('/adm/grades','submission')",
  749:                         'Content Submissions');
  750:              }
  751:         }
  752:         if (($env{'request.symb'} ne '') && ($perms{'opa'})) {
  753:             &switch('','',7,3,'pparm.png','Content Settings','parms[_2]',
  754:                     "gocmd('/adm/parmset','set')",
  755:                     'Content Settings');
  756: 	}
  757: # End grades/submissions check
  758: 
  759: #
  760: # This applies to items inside a folder/page modifiable in the course.
  761: #
  762:         if (($env{'request.symb'}=~/^uploaded/) && ($perms{'mdc'})) {
  763:             my $text = 'Edit Folder';
  764:             if (($mapurl =~ /\.page$/) ||
  765:                 ($env{'request.symb'}=~
  766:                      m{uploaded/$cdom/$cnum/default_\d+\.page$}))  {
  767:                 $text = 'Edit Page';
  768:             }
  769:             &switch('','',7,4,'docs-22x22.png',$text,'parms[_2]',
  770:                     "gocmd('/adm/coursedocs','direct')",
  771:                     'Folder/Page Content');
  772:         }
  773: # End modifiable folder/page container check
  774:     }
  775: # End course context
  776: 
  777: # Prepare the rest of the buttons
  778:         my ($menuitems,$got_prt,$got_wishlist);
  779:         if ($const_space) {
  780: #
  781: # We are in construction space
  782: #
  783: 
  784:             my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
  785: 	    my ($udom,$uname,$thisdisfn) =
  786: 		($env{'request.filename'}=~m{^\Q$londocroot/priv/\E([^/]+)/([^/]+)/(.*)$});
  787:             my $currdir = '/priv/'.$udom.'/'.$uname.'/'.$thisdisfn;
  788:             if ($currdir =~ m-/$-) {
  789:                 $is_const_dir = 1;
  790:                 if ($thisdisfn eq '') {
  791:                     $is_const_dir = 2;
  792:                 }
  793:             } else {
  794:                 $currdir =~ s|[^/]+$||;
  795: 		my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
  796: 		my $esc_currdir = &Apache::loncommon::escape_single($currdir);
  797: #
  798: # Probably should be in mydesk.tab
  799: #
  800:                 $menuitems=(<<ENDMENUITEMS);
  801: s&6&1&list.png&Directory&dir[_1]&golist('$esc_currdir')&List current directory
  802: s&6&2&rtrv.png&Retrieve&version[_1]&gocstr('/adm/retrieve','/priv/$udom/$uname/$cleandisfn')&Retrieve old version
  803: s&6&3&pub.png&Publish&resource[_3]&gocstr('/adm/publish','/priv/$udom/$uname/$cleandisfn')&Publish this resource
  804: s&7&1&del.png&Delete&resource[_2]&gocstr('/adm/cfile?action=delete','/priv/$udom/$uname/$cleandisfn')&Delete this resource
  805: s&7&2&prt.png&Print&printout[_1]&gocstr('/adm/printout','/priv/$udom/$uname/$cleandisfn')&Prepare a printable document
  806: ENDMENUITEMS
  807:             }
  808:                 if (ref($bread_crumbs) eq 'ARRAY') {
  809:                     &Apache::lonhtmlcommon::clear_breadcrumbs();
  810:                     foreach my $crumb (@{$bread_crumbs}){
  811:                         &Apache::lonhtmlcommon::add_breadcrumb($crumb);
  812:                     }
  813:                 }
  814:         } elsif ( defined($env{'request.course.id'}) && 
  815: 		 $env{'request.symb'} ne '' ) {
  816: #
  817: # We are in a course and looking at a registered URL
  818: # Should probably be in mydesk.tab
  819: #
  820: 	    $menuitems=(<<ENDMENUITEMS);
  821: c&3&1
  822: s&2&1&back.png&&&gopost('/adm/flip','back:'+currentURL)&Previous content resource&&1
  823: s&2&3&forw.png&&&gopost('/adm/flip','forward:'+currentURL)&Next content resource&&3
  824: c&6&3
  825: c&8&1
  826: c&8&2
  827: s&8&3&prt.png&Print&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  828: ENDMENUITEMS
  829:             $got_prt = 1;
  830:             if (($env{'user.adv'}) && ($env{'request.uri'} =~ /^\/res/)
  831:                 && (!$env{'request.enc'})) {
  832:                 # wishlist is only available for users with access to resource-pool
  833:                 # and links can only be set for resources within the resource-pool
  834:                 $menuitems .= (<<ENDMENUITEMS);
  835: s&9&1&wishlist-link.png&Stored Links&wishlistlink[_2]&set_wishlistlink()&Save a link for this resource in my personal Stored Links repository&&1
  836: ENDMENUITEMS
  837:                 $got_wishlist = 1;
  838:             }
  839: 
  840: my $currentURL = &Apache::loncommon::get_symb();
  841: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
  842: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
  843: $menuitems.="s&9&3&";
  844: if(length($annotation) > 0){
  845: 	$menuitems.="anot2.png";
  846: }else{
  847: 	$menuitems.="anot.png";
  848: }
  849: $menuitems.="&Notes&&annotate()&";
  850: $menuitems.="Make notes and annotations about this resource&&1\n";
  851: my $is_mobile;
  852: if ($env{'browser.mobile'}) {
  853:     $is_mobile = 1;
  854: }
  855: 
  856:             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme|viewclasslist|portfolio|exttools?)(\?|$)/) {
  857: 		if ((!$env{'request.enc'}) && ($env{'request.noversionuri'} !~ m{^/adm/wrapper/ext/}) && ($env{'request.noversionuri'} !~ m{^/uploaded/$match_domain/$match_courseid/docs/})) {
  858: 		    $menuitems.=(<<ENDREALRES);
  859: s&6&3&catalog.png&Info&info[_1]&catalog_info('$is_mobile')&Show Metadata
  860: ENDREALRES
  861:                 }
  862:                 unless (($env{'request.noversionuri'} =~ m{^/uploaded/$match_domain/$match_courseid/docs/}) ||
  863:                         ($env{'request.noversionuri'} =~ m{^\Q/adm/wrapper/\E(ext|uploaded)/})) {  
  864:                     $menuitems.=(<<ENDREALRES);
  865: s&8&1&eval.png&Evaluate&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
  866: ENDREALRES
  867:                 }
  868:                 unless ($env{'request.noversionuri'} =~ m{^\Q/adm/wrapper/\E(ext|uploaded)/}) {
  869:                     $menuitems.=(<<ENDREALRES);
  870: s&8&2&fdbk.png&Communicate&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
  871: ENDREALRES
  872:                 }
  873: 	    }
  874:         }
  875: 	if ($env{'request.uri'} =~ /^\/res/) {
  876:             unless ($got_prt) {
  877: 	        $menuitems .= (<<ENDMENUITEMS);
  878: s&8&3&prt.png&Print&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  879: ENDMENUITEMS
  880:                 $got_prt = 1;
  881:             }
  882:             unless ($got_wishlist) {
  883:                 if (($env{'user.adv'}) && (!$env{'request.enc'})) {
  884:                     # wishlist is only available for users with access to resource-pool
  885:                     $menuitems .= (<<ENDMENUITEMS);
  886: s&9&1&wishlist-link.png&Stored Links&wishlistlink[_2]&set_wishlistlink()&Save a link for this resource in your personal Stored Links repository&&1
  887: ENDMENUITEMS
  888:                     $got_wishlist = 1;
  889:                 }
  890: 	    }
  891:         }
  892:         my $buttons='';
  893:         foreach (split(/\n/,$menuitems)) {
  894: 	    my ($command,@rest)=split(/\&/,$_);
  895:             my $idx=10*$rest[0]+$rest[1];
  896:             if (&hidden_button_check() eq 'yes') {
  897:                 if ($idx == 21 ||$idx == 23) {
  898:                     $buttons.=&switch('','',@rest);
  899:                 } else {
  900:                     $buttons.=&clear(@rest);
  901:                 }
  902:             } else {  
  903:                 if ($command eq 's') {
  904: 	            $buttons.=&switch('','',@rest);
  905:                 } else {
  906:                     $buttons.=&clear(@rest);
  907:                 }
  908:             }
  909:         }
  910: 
  911: 	    my $addremote=0;
  912: 	    foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
  913:     if ($addremote) {
  914:         my $countdown;
  915:         if ($env{'request.filename'} =~ /\.page$/) {
  916:             my %breadcrumb_tools = &Apache::lonhtmlcommon::current_breadcrumb_tools();
  917:             if (ref($breadcrumb_tools{'tools'}) eq 'ARRAY') {
  918:                 $countdown = $breadcrumb_tools{'tools'}[0];
  919:             }
  920:         } else {
  921:             $countdown = &countdown_timer();
  922:         }
  923:         &Apache::lonhtmlcommon::clear_breadcrumb_tools();
  924: 
  925:             &Apache::lonhtmlcommon::add_breadcrumb_tool(
  926:                 'navigation', @inlineremote[21,23]);
  927: 
  928:         if (&hidden_button_check() eq 'yes') {
  929:             if ($countdown) {
  930:                 &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$countdown);
  931:             }
  932:         } else {
  933:             my @tools = @inlineremote[93,91,81,82,83];
  934:             if ($countdown) {
  935:                 unshift(@tools,$countdown);
  936:             }
  937:             &Apache::lonhtmlcommon::add_breadcrumb_tool(
  938:                 'tools',@tools);
  939: 
  940:             #publish button in construction space
  941:             if ($env{'request.state'} eq 'construct'){
  942:                 &Apache::lonhtmlcommon::add_breadcrumb_tool(
  943:                      'advtools', $inlineremote[63]);
  944:             } else {
  945:                 &Apache::lonhtmlcommon::add_breadcrumb_tool(
  946:                      'tools', $inlineremote[63]);
  947:             }
  948:             &advtools_crumbs(@inlineremote);
  949:         }
  950:     }
  951:     my ($topic_help,$topic_help_text);
  952:     if ($is_const_dir == 2) {
  953:         if ((($ENV{'SERVER_PORT'} == 443) || 
  954:              ($Apache::lonnet::protocol{$Apache::lonnet::perlvar{'lonHostID'}} eq 'https')) && 
  955:             (&Apache::lonnet::usertools_access($env{'user.name'},$env{'user.domain'},'webdav'))) {
  956:             $topic_help = 'Authoring_WebDAV,Authoring_WebDAV_Mac_10v6,Authoring_WebDAV_Mac_10v10,'.
  957:                           'Authoring_WebDAV_Windows_v7,Authoring_WebDAV_Linux_Centos';
  958:             $topic_help_text = 'About WebDAV access';
  959:         }
  960:     }
  961:     return   &Apache::lonhtmlcommon::scripttag('', 'start')
  962:            . &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'','','','',$topic_help,$topic_help_text)
  963:            . &Apache::lonhtmlcommon::scripttag('', 'end');
  964: }
  965: 
  966: sub get_editbutton {
  967:     my ($cfile,$home,$switchserver,$forceedit,$forceview,$forcereg) = @_;
  968:     my $jscall;
  969:     if (($forceview) && ($env{'form.todocs'})) {
  970:         my ($folderpath,$command);
  971:         if ($env{'request.symb'}) {
  972:             $folderpath = &Apache::loncommon::symb_to_docspath($env{'request.symb'});
  973:         } elsif ($env{'form.folderpath'} =~ /^supplemental/) {
  974:             $folderpath = $env{'form.folderpath'};
  975:             $command = '&forcesupplement=1';
  976:         }
  977:         $folderpath = &escape(&HTML::Entities::encode(&escape($folderpath),'<>&"'));
  978:         $jscall = "go('/adm/coursedocs?folderpath=$folderpath$command')";
  979:     } else {
  980:         $jscall = &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,$switchserver,
  981:                                                 $forceedit,$forcereg,$env{'request.symb'},
  982:                                                 &escape($env{'form.folderpath'}),
  983:                                                 &escape($env{'form.title'}),$env{'form.idx'},
  984:                                                 &escape($env{'form.suppurl'},$env{'form.todocs'}));
  985:     }
  986:     if ($jscall) {
  987:         my $icon = 'pcstr.png';
  988:         my $label = 'Edit';
  989:         if ($forceview) {
  990:             $icon = 'tolastloc.png';
  991:             $label = 'Exit Editing';
  992:         }
  993:         &switch('','',6,1,$icon,$label,'resource[_2]',
  994:                 $jscall,"Edit this resource");
  995:         return 1;
  996:     }
  997:     return;
  998: }
  999: 
 1000: sub prepare_functions {
 1001:     my ($resurl,$forcereg,$group,$bread_crumbs,$advtools,$docscrumbs) = @_;
 1002:     unless ($env{'request.registered'}) {
 1003:         undef(@inlineremote);
 1004:     }
 1005:     my ($cdom,$cnum,%perms,$cfile,$switchserver,$home,$forceedit,
 1006:         $forceview);
 1007: 
 1008:     if ($env{'request.course.id'}) {
 1009:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 1010:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1011:         $perms{'mdc'} = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 1012:     }
 1013: 
 1014:     my $editbutton = '';
 1015: #
 1016: # Determine whether or not to display 'Edit' icon/button
 1017: #
 1018:     if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
 1019:         my $file=&Apache::lonnet::declutter($env{'request.filename'});
 1020:         ($cfile,$home,$switchserver,$forceedit,$forceview) =
 1021:             &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
 1022:                 &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
 1023:         if (($cfile) && ($home ne '') && ($home ne 'no_host')) {
 1024:             $editbutton = &get_editbutton($cfile,$home,$switchserver,
 1025:                                           $forceedit,$forceview,$forcereg);
 1026:         }
 1027:     } elsif ((!$env{'request.course.id'}) &&
 1028:              ($env{'user.author'}) && ($env{'request.filename'}) &&
 1029:              ($env{'request.role'} !~/^(aa|ca|au)/)) {
 1030: #
 1031: # Currently do not have the role of author or co-author.
 1032: # Do we have authoring privileges for the resource?
 1033: #
 1034:         my $file=&Apache::lonnet::declutter($env{'request.filename'});
 1035:         ($cfile,$home,$switchserver,$forceedit,$forceview) =
 1036:             &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
 1037:                 &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
 1038:         if (($cfile) && ($home ne '') && ($home ne 'no_host')) {
 1039:             $editbutton = &get_editbutton($cfile,$home,$switchserver,
 1040:                                           $forceedit,$forceview,$forcereg);
 1041:         }
 1042:     } elsif ($env{'request.course.id'}) {
 1043: #
 1044: # This applies in course context
 1045: #
 1046:         if (($perms{'mdc'}) &&
 1047:             (($resurl eq "/public/$cdom/$cnum/syllabus") ||
 1048:             ($resurl =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/}))) {
 1049:             $cfile = $resurl;
 1050:             $home = &Apache::lonnet::homeserver($cnum,$cdom);
 1051:             if ($env{'form.forceedit'}) {
 1052:                 $forceview = 1;
 1053:             } else {
 1054:                 $forceedit = 1;
 1055:             }
 1056:             $editbutton = &get_editbutton($cfile,$home,$switchserver,
 1057:                                           $forceedit,$forceview,$forcereg);
 1058:         } elsif (($resurl eq '/adm/extresedit') &&
 1059:                  (($env{'form.symb'}) || ($env{'form.folderpath'}))) {
 1060:             ($cfile,$home,$switchserver,$forceedit,$forceview) =
 1061:             &Apache::lonnet::can_edit_resource($resurl,$cnum,$cdom,$resurl,
 1062:                                                $env{'form.symb'});
 1063:             if ($cfile ne '') {
 1064:                 $editbutton = &get_editbutton($cfile,$home,$switchserver,
 1065:                                               $forceedit,$forceview,$forcereg,
 1066:                                               $env{'form.title'},$env{'form.suppurl'});
 1067:             }
 1068:         } elsif (($resurl =~ m{^/?adm/viewclasslist$}) &&
 1069:                  (&Apache::lonnet::allowed('opa',$env{'request.course.id'}))) {
 1070:             ($cfile,$home,$switchserver,$forceedit,$forceview) =
 1071:             &Apache::lonnet::can_edit_resource($resurl,$cnum,$cdom,$resurl,
 1072:                                                $env{'form.symb'});
 1073:             $editbutton = &get_editbutton($cfile,$home,$switchserver,
 1074:                                           $forceedit,$forceview,$forcereg);
 1075:         } elsif (($resurl !~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) &&
 1076:                  ($resurl ne '/cgi-bin/printout.pl')) {
 1077:             if ($env{'request.filename'}) {
 1078:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
 1079:                 ($cfile,$home,$switchserver,$forceedit,$forceview) =
 1080:                     &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
 1081:                         &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
 1082:                 if ($cfile ne '') {
 1083:                     $editbutton = &get_editbutton($cfile,$home,$switchserver,
 1084:                                                   $forceedit,$forceview,$forcereg);
 1085:                 }
 1086:             }
 1087:         }
 1088:     }
 1089: # End determination of 'Edit' icon/button display
 1090: 
 1091:     if ($env{'request.course.id'}) {
 1092: # This applies to about me page for users in a course
 1093:         if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
 1094:             my ($sdom,$sname) = ($1,$2);
 1095:             unless (&Apache::lonnet::is_course($sdom,$sname)) {
 1096:                 &switch('','',6,4,'mail-message-new-22x22.png','Message to user',
 1097:                         '',
 1098:                         "go('/adm/email?compose=individual&amp;recname=$sname&amp;recdom=$sdom')",
 1099:                             'Send message to specific user');
 1100:             }
 1101:             my $hideprivileged = 1;
 1102:             if (&Apache::lonnet::in_course($sdom,$sname,$cdom,$cnum,undef,
 1103:                                            $hideprivileged)) {
 1104:                 foreach my $priv ('vsa','vgr','srm') {
 1105:                     $perms{$priv} = &Apache::lonnet::allowed($priv,$env{'request.course.id'});
 1106:                     if (!$perms{$priv} && $env{'request.course.sec'} ne '') {
 1107:                         $perms{$priv} =
 1108:                             &Apache::lonnet::allowed($priv,"$env{'request.course.id'}/$env{'request.course.sec'}");
 1109:                     }
 1110:                 }
 1111:                 if ($perms{'vsa'}) {
 1112:                     &switch('','',6,5,'trck-22x22.png','Activity',
 1113:                             '',
 1114:                             "go('/adm/trackstudent?selected_student=$sname:$sdom')",
 1115:                             'View recent activity by this person');
 1116:                 }
 1117:                 if ($perms{'vgr'}) {
 1118:                     &switch('','',6,6,'rsrv-22x22.png','Reservations',
 1119:                             '',
 1120:                             "go('/adm/slotrequest?command=showresv&amp;origin=aboutme&amp;uname=$sname&amp;udom=$sdom')",
 1121:                             'Slot reservation history');
 1122:                 }
 1123:                 if ($perms{'srm'}) {
 1124:                     &switch('','',6,7,'contact-new-22x22.png','Records',
 1125:                             '',
 1126:                             "go('/adm/email?recordftf=retrieve&amp;recname=$sname&amp;recdom=$sdom')",
 1127:                             'Add records');
 1128:                 }
 1129:             }
 1130:         }
 1131:         if (($env{'form.folderpath'} =~ /^supplemental/) &&
 1132:             (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
 1133:             (($resurl =~ m{^/adm/wrapper/ext/}) ||
 1134:              ($resurl =~ m{^/adm/$cdom/$cnum/\d+/exttools?$}) ||
 1135:              ($resurl =~ m{^/uploaded/$cdom/$cnum/supplemental/}) ||
 1136:              ($resurl eq '/adm/supplemental') ||
 1137:              ($resurl =~ m{^/public/$cdom/$cnum/syllabus$}) ||
 1138:              ($resurl =~ m{^/adm/$match_domain/$match_username/aboutme$}))) {
 1139:             my @folders=split('&',$env{'form.folderpath'});
 1140:             if ((@folders > 2) || ($resurl ne '/adm/supplemental')) {
 1141:                 my $esc_path=&escape(&HTML::Entities::encode(&escape($env{'form.folderpath'}),'<>&"'));
 1142:                 &switch('','',7,4,'docs-22x22.png','Edit Folder','parms[_2]',
 1143:                         "location.href='/adm/coursedocs?command=direct&amp;forcesupplement=1&amp;supppath=$esc_path'",
 1144:                         'Folder/Page Content');
 1145:             }
 1146:         }
 1147:     }
 1148: 
 1149: # End checking for items for about me page for users in a course
 1150:     if ($docscrumbs) {
 1151:         &Apache::lonhtmlcommon::clear_breadcrumb_tools();
 1152:         &advtools_crumbs(@inlineremote);
 1153:         return $editbutton;
 1154:     } elsif ($env{'request.registered'}) {
 1155:         return $editbutton;
 1156:     } else {
 1157:         if (ref($bread_crumbs) eq 'ARRAY') {
 1158:             if (@inlineremote > 0) {
 1159:                 if (ref($advtools) eq 'ARRAY') {
 1160:                     @{$advtools} = @inlineremote;
 1161:                 }
 1162:             }
 1163:             return;
 1164:         } elsif (@inlineremote > 0) {
 1165:             &Apache::lonhtmlcommon::clear_breadcrumb_tools();
 1166:             &advtools_crumbs(@inlineremote);
 1167:             return   &Apache::lonhtmlcommon::scripttag('', 'start')
 1168:                    . &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
 1169:                    . &Apache::lonhtmlcommon::scripttag('', 'end');
 1170:         }
 1171:     }
 1172: }
 1173: 
 1174: sub advtools_crumbs {
 1175:     my @funcs = @_;
 1176:     if ($env{'request.noversionuri'} =~ m{^/adm/$match_domain/$match_username/aboutme$}) {
 1177:         &Apache::lonhtmlcommon::add_breadcrumb_tool(
 1178:             'advtools', @funcs[61,64,65,66,67,74]);
 1179:     } elsif ($env{'request.noversionuri'} !~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
 1180:         &Apache::lonhtmlcommon::add_breadcrumb_tool(
 1181:             'advtools', @funcs[61,71,72,73,74,92]);
 1182:     } elsif ($env{'request.noversionuri'} eq '/adm/viewclasslist') {
 1183:         &Apache::lonhtmlcommon::add_breadcrumb_tool(
 1184:             'advtools', $funcs[61]);
 1185:     }
 1186:     return;
 1187: }
 1188: 
 1189: # ================================================================== Raw Config
 1190: 
 1191: sub clear {
 1192:     my ($row,$col)=@_;
 1193:     $inlineremote[10*$row+$col]='';
 1194:     return ''; 
 1195: }
 1196: 
 1197: # ============================================ Switch a button or create a link
 1198: # Switch acts on the javascript that is executed when a button is clicked.  
 1199: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
 1200: 
 1201: sub switch {
 1202:     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
 1203:     $act=~s/\$uname/$uname/g;
 1204:     $act=~s/\$udom/$udom/g;
 1205:     $top=&mt($top);
 1206:     $bot=&mt($bot);
 1207:     $desc=&mt($desc);
 1208:     my $idx=10*$row+$col;
 1209:     $category_members{$cat}.=':'.$idx;
 1210: 
 1211: # Inline Menu
 1212:     if ($nobreak==2) { return ''; }
 1213:     my $text=$top.' '.$bot;
 1214:     $text=~s/\s*\-\s*//gs;
 1215: 
 1216:     my $pic=
 1217: 	   '<img alt="'.$text.'" src="'.
 1218: 	   &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
 1219: 	   '" align="'.($nobreak==3?'right':'left').'" class="LC_icon" />';
 1220:     if ($env{'browser.interface'} eq 'faketextual') {
 1221: # Main Menu
 1222: 	   if ($nobreak==3) {
 1223: 	       $inlineremote[$idx]="\n".
 1224: 		   '<td class="LC_menubuttons_text" align="right">'.$text.
 1225: 		   '</td><td align="left">'.
 1226: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
 1227: 	   } elsif ($nobreak) {
 1228: 	       $inlineremote[$idx]="\n<tr>".
 1229: 		   '<td align="left">'.
 1230: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td>
 1231:                     <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>';
 1232: 	   } else {
 1233: 	       $inlineremote[$idx]="\n<tr>".
 1234: 		   '<td align="left">'.
 1235: 		   '<a href="javascript:'.$act.';">'.$pic.
 1236: 		   '</a></td><td class="LC_menubuttons_text" colspan="3">'.
 1237: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
 1238: 	   }
 1239:     } else {
 1240: # Inline Menu
 1241:         my @tools = (93,91,81,82,83);
 1242:         unless ($env{'request.state'} eq 'construct') {
 1243:             push(@tools,63);
 1244:         }
 1245:         if (($env{'environment.icons'} eq 'iconsonly') && 
 1246:             (grep(/^$idx$/,@tools))) {
 1247:             $inlineremote[$idx] =
 1248:         '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.'</a>';
 1249:         } else {
 1250:             $inlineremote[$idx] =
 1251:        '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
 1252:        '<span class="LC_menubuttons_inline_text">'.$top.'&nbsp;</span></a>';
 1253:         }
 1254:     }
 1255:     return '';
 1256: }
 1257: 
 1258: sub secondlevel {
 1259:     my $output='';
 1260:     my 
 1261:     ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
 1262:     if ($prt eq 'any') {
 1263: 	   $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1264:     } elsif ($prt=~/^r(\w+)/) {
 1265:         if ($rol eq $1) {
 1266:            $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1267:         }
 1268:     }
 1269:     return $output;
 1270: }
 1271: 
 1272: sub inlinemenu {
 1273:     undef(@inlineremote);
 1274:     undef(%category_members);
 1275: # calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control
 1276:     &rawconfig(1);
 1277:     my $output='<table><tr>';
 1278:     for (my $col=1; $col<=2; $col++) {
 1279:         $output.='<td class="LC_mainmenu_col_fieldset">';
 1280:         for (my $row=1; $row<=8; $row++) {
 1281:             foreach my $cat (keys(%category_members)) {
 1282:                if ($category_positions{$cat} ne "$col,$row") { next; }
 1283:                #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
 1284:                $output.='<div class="LC_Box LC_400Box">';
 1285: 	       $output.='<h3 class="LC_hcell">'.&mt($category_names{$cat}).'</h3>';
 1286:                $output.='<table>';
 1287:                my %active=();
 1288:                foreach my $menu_item (split(/\:/,$category_members{$cat})) {
 1289:                   if ($inlineremote[$menu_item]) {
 1290:                      $active{$menu_item}=1;
 1291:                   }
 1292:                }  
 1293:                foreach my $item (sort(keys(%active))) {
 1294:                   $output.=$inlineremote[$item];
 1295:                }
 1296:                $output.='</table>';
 1297:                $output.='</div>';
 1298:             }
 1299:          }
 1300:          $output.="</td>";
 1301:     }
 1302:     $output.="</tr></table>";
 1303:     return $output;
 1304: }
 1305: 
 1306: sub rawconfig {
 1307: #
 1308: # This evaluates mydesk.tab
 1309: # Need to add more positions and more privileges to deal with all
 1310: # menu items.
 1311: #
 1312:     my $textualoverride=shift;
 1313:     my $output='';
 1314:     return '' unless $textualoverride;
 1315:     my $uname=$env{'user.name'};
 1316:     my $udom=$env{'user.domain'};
 1317:     my $adv=$env{'user.adv'};
 1318:     my $show_course=&Apache::loncommon::show_course();
 1319:     my $author=$env{'user.author'};
 1320:     my $crs='';
 1321:     my $crstype='';
 1322:     if ($env{'request.course.id'}) {
 1323:        $crs='/'.$env{'request.course.id'};
 1324:        if ($env{'request.course.sec'}) {
 1325: 	   $crs.='_'.$env{'request.course.sec'};
 1326:        }
 1327:        $crs=~s/\_/\//g;
 1328:        $crstype = &Apache::loncommon::course_type();
 1329:     }
 1330:     my $pub=($env{'request.state'} eq 'published');
 1331:     my $con=($env{'request.state'} eq 'construct');
 1332:     my $rol=$env{'request.role'};
 1333:     my $requested_domain;
 1334:     if ($rol) {
 1335:        $requested_domain = $env{'request.role.domain'};
 1336:     }
 1337:     foreach my $line (@desklines) {
 1338:         my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
 1339:         $prt=~s/\$uname/$uname/g;
 1340:         $prt=~s/\$udom/$udom/g;
 1341:         if ($prt =~ /\$crs/) {
 1342:             next unless ($env{'request.course.id'});
 1343:             next if ($crstype eq 'Community');
 1344:             $prt=~s/\$crs/$crs/g;
 1345:         } elsif ($prt =~ /\$cmty/) {
 1346:             next unless ($env{'request.course.id'});
 1347:             next if ($crstype ne 'Community');
 1348:             $prt=~s/\$cmty/$crs/g;
 1349:         }
 1350:         if ($prt =~ m/\$requested_domain/) {
 1351:             if ((!$requested_domain) && ($pro eq 'pbre') && ($env{'user.adv'})) {
 1352:                 $prt=~s/\$requested_domain/$env{'user.domain'}/g;
 1353:             } else {
 1354:                 $prt=~s/\$requested_domain/$requested_domain/g;
 1355:             }
 1356:         }
 1357:         if ($category_names{$cat}!~/\w/) { $cat='oth'; }
 1358:         if ($pro eq 'clear') {
 1359: 	    $output.=&clear($row,$col);
 1360:         } elsif ($pro eq 'any') {
 1361:                $output.=&secondlevel(
 1362: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1363: 	} elsif ($pro eq 'smp') {
 1364:             unless ($adv) {
 1365:                $output.=&secondlevel(
 1366:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1367:             }
 1368:         } elsif ($pro eq 'adv') {
 1369:             if ($adv) {
 1370:                $output.=&secondlevel(
 1371: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1372:             }
 1373: 	} elsif ($pro eq 'shc') {
 1374:             if ($show_course) {
 1375:                $output.=&secondlevel(
 1376:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1377:             }
 1378:         } elsif ($pro eq 'nsc') {
 1379:             if (!$show_course) {
 1380:                $output.=&secondlevel(
 1381: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1382:             }
 1383:         } elsif (($pro=~/^p(\w+)/) && ($prt)) {
 1384:             my $priv = $1;
 1385:             if ($priv =~ /^mdc(Course|Community)/) {
 1386:                 if ($crstype eq $1) {
 1387:                     $priv = 'mdc';
 1388:                 } else {
 1389:                     next;
 1390:                 }
 1391:             }
 1392:             if ((($priv eq 'bre') && (&Apache::lonnet::allowed($priv,$prt) eq 'F')) ||
 1393:                 (($priv ne 'bre') && (&Apache::lonnet::allowed($priv,$prt)))) {
 1394:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1395:             }
 1396:         } elsif ($pro eq 'course')  {
 1397:             if (($env{'request.course.fn'}) && ($crstype ne 'Community')) {
 1398:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1399: 	    }
 1400:         } elsif ($pro eq 'community')  {
 1401:             if (($env{'request.course.fn'}) && ($crstype eq 'Community')) {
 1402:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1403:             }
 1404:         } elsif ($pro =~ /^courseenv_(.*)$/) {
 1405:             my $key = $1;
 1406:             if ($crstype ne 'Community') {
 1407:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
 1408:                 if ($key eq 'canuse_pdfforms') {
 1409:                     if ($env{'request.course.id'} && $coursepref eq '') {
 1410:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
 1411:                         $coursepref = $domdefs{'canuse_pdfforms'};
 1412:                     }
 1413:                 }
 1414:                 if ($coursepref) { 
 1415:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1416:                 }
 1417:             }
 1418:         } elsif ($pro =~ /^communityenv_(.*)$/) {
 1419:             my $key = $1;
 1420:             if ($crstype eq 'Community') {
 1421:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
 1422:                 if ($key eq 'canuse_pdfforms') {
 1423:                     if ($env{'request.course.id'} && $coursepref eq '') {
 1424:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
 1425:                         $coursepref = $domdefs{'canuse_pdfforms'};
 1426:                     }
 1427:                 }
 1428:                 if ($coursepref) { 
 1429:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1430:                 }
 1431:             }
 1432:         } elsif ($pro =~ /^course_(.*)$/) {
 1433:             # Check for permissions inside of a course
 1434:             if (($env{'request.course.id'}) && ($crstype ne 'Community') && 
 1435:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1436:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1437:                  )) {
 1438:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1439: 	    }
 1440:         } elsif ($pro =~ /^community_(.*)$/) {
 1441:             # Check for permissions inside of a community
 1442:             if (($env{'request.course.id'}) && ($crstype eq 'Community') &&   
 1443:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1444:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1445:                  )) {
 1446:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1447:             }
 1448:         } elsif ($pro eq 'author') {
 1449:             if ($author) {
 1450:                 if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
 1451:                     (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) || 
 1452:                     (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
 1453:                     # Check that we are on the correct machine
 1454:                     my $cadom=$requested_domain;
 1455:                     my $caname=$env{'user.name'};
 1456:                     if (($prt eq 'rca') || ($prt eq 'raa')) {
 1457: 		       ($cadom,$caname)=
 1458:                                ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
 1459:                     }                       
 1460:                     $act =~ s/\$caname/$caname/g;
 1461:                     $act =~ s/\$cadom/$cadom/g;
 1462:                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
 1463: 		    my $allowed=0;
 1464: 		    my @ids=&Apache::lonnet::current_machine_ids();
 1465: 		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
 1466: 		    if ($allowed) {
 1467:                         $output.=&switch($caname,$cadom,
 1468:                                         $row,$col,$img,$top,$bot,$act,$desc,$cat);
 1469:                     }
 1470:                 }
 1471:             }
 1472:         } elsif ($pro eq 'tools') {
 1473:             my @tools = ('aboutme','blog','portfolio');
 1474:             if (grep(/^\Q$prt\E$/,@tools)) {
 1475:                 if (!&Apache::lonnet::usertools_access($env{'user.name'},
 1476:                                                        $env{'user.domain'},
 1477:                                                        $prt,undef,'tools')) {
 1478:                     $output.=&clear($row,$col);
 1479:                     next;
 1480:                 }
 1481:             } elsif (($prt eq 'reqcrsnsc') || ($prt eq 'reqcrsshc')) {
 1482:                 if (($prt eq 'reqcrsnsc') && ($show_course))   {
 1483:                     next;
 1484:                 }
 1485:                 if (($prt eq 'reqcrsshc') && (!$show_course)) {
 1486:                     next;
 1487:                 }
 1488:                 my $showreqcrs = &check_for_rcrs();
 1489:                 if (!$showreqcrs) {
 1490:                     $output.=&clear($row,$col);
 1491:                     next;
 1492:                 }
 1493:             }
 1494:             $prt='any';
 1495:             $output.=&secondlevel(
 1496:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1497:         }
 1498:     }
 1499:     return $output;
 1500: }
 1501: 
 1502: sub check_for_rcrs {
 1503:     my $showreqcrs = 0;
 1504:     my @reqtypes = ('official','unofficial','community','textbook');
 1505:     foreach my $type (@reqtypes) {
 1506:         if (&Apache::lonnet::usertools_access($env{'user.name'},
 1507:                                               $env{'user.domain'},
 1508:                                               $type,undef,'requestcourses')) {
 1509:             $showreqcrs = 1;
 1510:             last;
 1511:         }
 1512:     }
 1513:     if (!$showreqcrs) {
 1514:         foreach my $type (@reqtypes) {
 1515:             if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
 1516:                 $showreqcrs = 1;
 1517:                 last;
 1518:             }
 1519:         }
 1520:     }
 1521:     return $showreqcrs;
 1522: }
 1523: 
 1524: sub dc_popup_js {
 1525:     my %lt = &Apache::lonlocal::texthash(
 1526:                                           more => '(More ...)',
 1527:                                           less => '(Less ...)',
 1528:                                         );
 1529:     return <<"END";
 1530: 
 1531: function showCourseID() {
 1532:     document.getElementById('dccid').style.display='block';
 1533:     document.getElementById('dccid').style.textAlign='left';
 1534:     document.getElementById('dccid').style.textFace='normal';
 1535:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:hideCourseID();" class="LC_menubuttons_link">$lt{'less'}</a>';
 1536:     return;
 1537: }
 1538: 
 1539: function hideCourseID() {
 1540:     document.getElementById('dccid').style.display='none';
 1541:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:showCourseID()" class="LC_menubuttons_link">$lt{'more'}</a>';
 1542:     return;
 1543: }
 1544: 
 1545: END
 1546: 
 1547: }
 1548: 
 1549: sub countdown_toggle_js {
 1550:     return <<"END";
 1551: 
 1552: function toggleCountdown() {
 1553:     var countdownid = document.getElementById('duedatecountdown');
 1554:     var currstyle = countdownid.style.display;
 1555:     if (currstyle == 'inline') {
 1556:         countdownid.style.display = 'none';
 1557:         document.getElementById('ddcountcollapse').innerHTML='';
 1558:         document.getElementById('ddcountexpand').innerHTML='&#9668;&nbsp;';
 1559:     } else {
 1560:         countdownid.style.display = 'inline';
 1561:         document.getElementById('ddcountcollapse').innerHTML='&#9658;&nbsp;';
 1562:         document.getElementById('ddcountexpand').innerHTML='';
 1563:     }
 1564:     return;
 1565: }
 1566: 
 1567: END
 1568: }
 1569: 
 1570: # This creates a "done button" for timed events.  The confirmation box is a jQuery
 1571: # dialog widget. If the interval parameter requires a proctor key for the timed 
 1572: # event to be marked done, there will also be a textbox where that can be entered. 
 1573: # Clicking OK will set the value of LC_interval_done to 'true', and, if needed will 
 1574: # set the value of LC_interval_done_proctorpass to the text entered in that box, 
 1575: # and submit the corresponding form.
 1576: # 
 1577: # The &zero_time() routine in lonhomework.pm is called when a page is rendered if
 1578: # LC_interval_done is true.
 1579: #
 1580: sub done_button_js {
 1581:     my ($type,$width,$height,$proctor) = @_;
 1582:     my %lt = &Apache::lonlocal::texthash(
 1583:                  title    => 'WARNING!',
 1584:                  button   => 'Done',
 1585:                  preamble => 'You are trying to end this timed event early.',
 1586:                  map      => 'Confirming that you are done will cause the time to expire and prevent you from changing any answers in the current folder.',
 1587:                  resource => 'Confirming that you are done will cause the time to expire for this question, and prevent you from changing your answer(s).', 
 1588:                  okdone   => 'Click "OK" if you are completely finished.',
 1589:                  cancel   => 'Click "Cancel" to continue working.',
 1590:                  proctor  => 'Ask a proctor to enter the key, then click "OK" if you are completely finished.',
 1591:                  ok       => 'OK',
 1592:                  exit     => 'Cancel',
 1593:                  key      => 'Key:',
 1594:                  nokey    => 'A proctor key is required', 
 1595:     );
 1596:     my $confirm;
 1597:     if (($type eq 'map') || ($type eq 'resource')) {
 1598:         if ($proctor) {
 1599:             $confirm = $lt{'preamble'}.' '.$lt{$type};
 1600:             if ($height !~ /^\d+$/) {
 1601:                 $height = 400;
 1602:             }
 1603:             if ($width !~ /^\d+$/) {
 1604:                 $width = 400;
 1605:             }
 1606:             return <<END;
 1607: <form method="post" name="LCdoneButton" action="">
 1608:     <input type="hidden" name="LC_interval_done" value="" />
 1609:     <input type="hidden" name="LC_interval_done_proctorpass" value="" />
 1610:     <button id="LC_done-confirm-opener" type="button">$lt{'button'}</button>
 1611: </form>
 1612: 
 1613: <div id="LC_done-confirm" title="$lt{'title'}">
 1614:   <p>$lt{'preamble'} $lt{$type}</p>
 1615:   <p>$lt{'proctor'}</p>
 1616:   <form>
 1617:     <label>$lt{'key'}<input type="password" name="LC_interval_done_proctorkey" value="" /></label>
 1618:     <input type="submit" tabindex="-1" style="position:absolute; top:-1000px" />
 1619:   </form>
 1620:   <p>$lt{'cancel'}</p>
 1621: </div>
 1622: 
 1623: <script type="text/javascript">
 1624: // <![CDATA[
 1625:     \$( "#LC_done-confirm" ).dialog({ autoOpen: false });
 1626:     \$( "#LC_done-confirm-opener" ).on("click", function() {
 1627:         \$( "#LC_done-confirm" ).dialog("open");
 1628:         \$( "#LC_done-confirm" ).dialog({
 1629:             height: $height,
 1630:             width: $width,
 1631:             modal: true,
 1632:             resizable: false,
 1633:             buttons: [
 1634:                 {
 1635:                     text: "$lt{'ok'}",
 1636:                     click: function() {
 1637:                         var proctorkey = \$( '[name="LC_interval_done_proctorkey"]' )[0].value;
 1638:                         if ((proctorkey == '') || (proctorkey == null)) {
 1639:                             alert("$lt{'nokey'}"); 
 1640:                         } else { 
 1641:                             \$( '[name="LC_interval_done"]' )[0].value = 'true';
 1642:                             \$( '[name="LC_interval_done_proctorpass"]' )[0].value = proctorkey;
 1643:                             \$( '[name="LCdoneButton"]' )[0].submit();
 1644:                         }
 1645:                     },
 1646:                 },
 1647:                 {
 1648:                     text: "$lt{'exit'}",
 1649:                     click: function() {
 1650:                         \$("#LC_done-confirm").dialog( "close" );
 1651:                     }
 1652:                 }
 1653:             ],
 1654:             close: function() {
 1655:                 \$( '[name="LC_interval_done_proctorkey"]' )[0].value = '';
 1656:             }
 1657:         });
 1658:         \$( "#LC_done-confirm" ).find( "form" ).on( "submit", function( event ) {
 1659:             event.preventDefault();
 1660:             \$( '[name="LC_interval_done"]' )[0].value = 'true';
 1661:             \$( '[name="LC_interval_done_proctorpass"]' )[0].value = \$( '[name="LC_interval_done_proctorkey"]' )[0].value;
 1662:             \$( '[name="LCdoneButton"]' )[0].submit();
 1663:         });
 1664: });
 1665: 
 1666: // ]]>
 1667: </script>
 1668: 
 1669: END
 1670:         } else {
 1671:             if ($height !~ /^\d+$/) {
 1672:                 $height = 320;
 1673:             }
 1674:             if ($width !~ /^\d+$/) {
 1675:                 $width = 320;
 1676:             }
 1677:             return <<END;
 1678: 
 1679: <form method="post" name="LCdoneButton" action="">
 1680:     <input type="hidden" name="LC_interval_done" value="" />
 1681:     <button id="LC_done-confirm-opener" type="button">$lt{'button'}</button>
 1682: </form>
 1683: 
 1684: <div id="LC_done-confirm" title="$lt{'title'}">
 1685:     <p>$lt{'preamble'} $lt{$type} $lt{'okdone'} $lt{'cancel'}</p>
 1686: </div>
 1687: 
 1688: <script type="text/javascript">
 1689: // <![CDATA[
 1690: \$( "#LC_done-confirm" ).dialog({ autoOpen: false });
 1691: \$( "#LC_done-confirm-opener" ).click(function() {
 1692:     \$( "#LC_done-confirm" ).dialog( "open" );
 1693:     \$( "#LC_done-confirm" ).dialog({
 1694:       resizable: false,
 1695:       height: $height,
 1696:       width: $width,
 1697:       modal: true,
 1698:       buttons: [
 1699:                  {
 1700:                     text: "$lt{'ok'}",
 1701:                     click: function() {
 1702:                         \$( this ).dialog( "close" );
 1703:                         \$( '[name="LC_interval_done"]' )[0].value = 'true';
 1704:                         \$( '[name="LCdoneButton"]' )[0].submit();
 1705:                     },
 1706:                  },
 1707:                  {
 1708:                      text: "$lt{'exit'}",
 1709:                      click: function() {
 1710:                          \$( this ).dialog( "close" );
 1711:                      },
 1712:                   },
 1713:                ],
 1714:        });
 1715: });
 1716: // ]]>
 1717: </script>
 1718: 
 1719: END
 1720:         }
 1721:     } else {
 1722:         return;
 1723:     }
 1724: }
 1725: 
 1726: sub utilityfunctions {
 1727:     my ($httphost) = @_;
 1728:     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
 1729:     if ($currenturl =~ m{^/adm/wrapper/ext/}
 1730:         && $env{'request.external.querystring'} ) {
 1731:             $currenturl .= ($currenturl=~/\?/)?'&':'?'.$env{'request.external.querystring'};
 1732:     }
 1733:     $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
 1734:     
 1735:     my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
 1736: 
 1737:     my $dc_popup_cid;
 1738:     if ($env{'user.adv'} && exists($env{'user.role.dc./'.
 1739:                         $env{'course.'.$env{'request.course.id'}.
 1740:                                  '.domain'}.'/'})) {
 1741:         $dc_popup_cid = &dc_popup_js();
 1742:     }
 1743: 
 1744:     my $start_page_annotate = 
 1745:         &Apache::loncommon::start_page('Annotator',undef,
 1746: 				       {'only_body' => 1,
 1747: 					'js_ready'  => 1,
 1748: 					'bgcolor'   => '#BBBBBB',
 1749: 					'add_entries' => {
 1750: 					    'onload' => 'javascript:document.goannotate.submit();'}});
 1751: 
 1752:     my $end_page_annotate = 
 1753:         &Apache::loncommon::end_page({'js_ready' => 1});
 1754: 
 1755:     my $jumptores = &Apache::lonhtmlcommon::javascript_jumpto_resource();
 1756: 
 1757:     my $esc_url=&escape($currenturl);
 1758:     my $esc_symb=&escape($currentsymb);
 1759: 
 1760:     my $countdown = &countdown_toggle_js();
 1761: 
 1762:     my $hostvar = '
 1763: function setLCHost() {
 1764:     var lcHostname="";
 1765: ';
 1766:     if ($httphost =~ m{^https?\://}) {
 1767:         $hostvar .= '    var lcServer="'.$httphost.'";'."\n".
 1768:                     '    var hostReg = /^https?:\/\/([^\/]+)$/i;'."\n".
 1769:                     '    var match = hostReg.exec(lcServer);'."\n".
 1770:                     '    if (match.length) {'."\n".
 1771:                     '        if (match[1] == location.hostname) {'."\n".
 1772:                     '            lcHostname=lcServer;'."\n".
 1773:                     '        }'."\n".
 1774:                     '    }'."\n";
 1775:     }
 1776:     
 1777:     $hostvar .= '    return lcHostname;'."\n".
 1778: '}'."\n";
 1779: 
 1780: return (<<ENDUTILITY)
 1781:     $hostvar
 1782:     var currentURL=unescape("$esc_url");
 1783:     var reloadURL=unescape("$esc_url");
 1784:     var currentSymb=unescape("$esc_symb");
 1785: 
 1786: $dc_popup_cid
 1787: 
 1788: $jumptores
 1789: 
 1790: function gopost(url,postdata) {
 1791:    if (url!='') {
 1792:       var lcHostname = setLCHost();
 1793:       this.document.server.action=lcHostname+url;
 1794:       this.document.server.postdata.value=postdata;
 1795:       this.document.server.command.value='';
 1796:       this.document.server.url.value='';
 1797:       this.document.server.symb.value='';
 1798:       this.document.server.submit();
 1799:    }
 1800: }
 1801: 
 1802: function gocmd(url,cmd) {
 1803:    if (url!='') {
 1804:       var lcHostname = setLCHost();
 1805:       this.document.server.action=lcHostname+url;
 1806:       this.document.server.postdata.value='';
 1807:       this.document.server.command.value=cmd;
 1808:       this.document.server.url.value=currentURL;
 1809:       this.document.server.symb.value=currentSymb;
 1810:       this.document.server.submit();
 1811:    }
 1812: }
 1813: 
 1814: function gocstr(url,filename) {
 1815:     if (url == '/adm/cfile?action=delete') {
 1816:         this.document.cstrdelete.filename.value = filename
 1817:         this.document.cstrdelete.submit();
 1818:         return;
 1819:     }
 1820:     if (url == '/adm/printout') {
 1821:         this.document.cstrprint.postdata.value = filename
 1822:         this.document.cstrprint.curseed.value = 0;
 1823:         this.document.cstrprint.problemtype.value = 0;
 1824:         if (this.document.lonhomework) {
 1825:             if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
 1826:                 this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
 1827:             }
 1828:             if (this.document.lonhomework.problemtype) {
 1829: 		if (this.document.lonhomework.problemtype.value) {
 1830: 		    this.document.cstrprint.problemtype.value = 
 1831: 			this.document.lonhomework.problemtype.value;
 1832: 		} else if (this.document.lonhomework.problemtype.options) {
 1833: 		    for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
 1834: 			if (this.document.lonhomework.problemtype.options[i].selected) {
 1835: 			    if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
 1836: 				this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
 1837: 				}
 1838: 			}
 1839: 		    }
 1840: 		}
 1841: 	    }
 1842: 	}
 1843:         this.document.cstrprint.submit();
 1844:         return;
 1845:     }
 1846:     if (url !='') {
 1847:         this.document.constspace.filename.value = filename;
 1848:         this.document.constspace.action = url;
 1849:         this.document.constspace.submit();
 1850:     }
 1851: }
 1852: 
 1853: function golist(url) {
 1854:    if (url!='' && url!= null) {
 1855:        currentURL = null;
 1856:        currentSymb= null;
 1857:        var lcHostname = setLCHost();
 1858:        top.location.href=lcHostname+url;
 1859:    }
 1860: }
 1861: 
 1862: 
 1863: 
 1864: function catalog_info(isMobile) {
 1865:     if (isMobile == 1) {
 1866:         openMyModal(window.location.pathname+'.meta?modal=1',500,400,'yes');
 1867:     } else {
 1868:         loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=500,width=400,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1869:     }
 1870: }
 1871: 
 1872: function chat_win() {
 1873:    var lcHostname = setLCHost();
 1874:    lonchat=window.open(lcHostname+'/res/adm/pages/chatroom.html',"LONchat",'height=320,width=480,resizable=yes,location=no,menubar=no,toolbar=no');
 1875: }
 1876: 
 1877: function group_chat(group) {
 1878:    var lcHostname = setLCHost();
 1879:    var url = lcHostname+'/adm/groupchat?group='+group;
 1880:    var winName = 'LONchat_'+group;
 1881:    grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1882: }
 1883: 
 1884: function annotate() {
 1885:    w_Annotator_flag=1;
 1886:    annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
 1887:    annotator.document.write(
 1888:    '$start_page_annotate'
 1889:   +"<form name='goannotate' target='Annotator' method='post' "
 1890:   +"action='/adm/annotations'>"
 1891:   +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
 1892:   +"<\\/form>"
 1893:   +'$end_page_annotate');
 1894:    annotator.document.close();
 1895: }
 1896: 
 1897: function open_StoredLinks_Import(rat) {
 1898:    var newWin;
 1899:    var lcHostname = setLCHost();
 1900:    if (rat) {
 1901:        newWin = window.open(lcHostname+'/adm/wishlist?inhibitmenu=yes&mode=import&rat='+rat,
 1902:                             'wishlistImport','scrollbars=1,resizable=1,menubar=0');
 1903:    }
 1904:    else {
 1905:        newWin = window.open(lcHostname+'/adm/wishlist?inhibitmenu=yes&mode=import',
 1906:                             'wishlistImport','scrollbars=1,resizable=1,menubar=0');
 1907:    }
 1908:    newWin.focus();
 1909: }
 1910: 
 1911: (function (\$) {
 1912:   \$(document).ready(function () {
 1913:     \$.single=function(a){return function(b){a[0]=b;return a}}(\$([1]));
 1914:     /*\@cc_on
 1915:       if (!window.XMLHttpRequest) {
 1916:         \$('.LC_hoverable').each(function () {
 1917:           this.attachEvent('onmouseenter', function (evt) { \$.single(evt.srcElement).addClass('hover'); });
 1918:           this.attachEvent('onmouseleave', function (evt) { \$.single(evt.srcElement).removeClass('hover'); });
 1919:         });
 1920:       }
 1921:     \@*/
 1922:   });
 1923: }(jQuery));
 1924: 
 1925: $countdown
 1926: 
 1927: ENDUTILITY
 1928: }
 1929: 
 1930: sub serverform {
 1931:     return(<<ENDSERVERFORM);
 1932: <form name="server" action="/adm/logout" method="post" target="_top">
 1933: <input type="hidden" name="postdata" value="none" />
 1934: <input type="hidden" name="command" value="none" />
 1935: <input type="hidden" name="url" value="none" />
 1936: <input type="hidden" name="symb" value="none" />
 1937: </form>
 1938: ENDSERVERFORM
 1939: }
 1940: 
 1941: sub constspaceform {
 1942:     return(<<ENDCONSTSPACEFORM);
 1943: <form name="constspace" action="/adm/logout" method="post" target="_top">
 1944: <input type="hidden" name="filename" value="" />
 1945: </form>
 1946: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
 1947: <input type="hidden" name="action" value="delete" /> 
 1948: <input type="hidden" name="filename" value="" />
 1949: </form>
 1950: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
 1951: <input type="hidden" name="postdata" value="" />
 1952: <input type="hidden" name="curseed" value="" />
 1953: <input type="hidden" name="problemtype" value="" />
 1954: </form>
 1955: 
 1956: ENDCONSTSPACEFORM
 1957: }
 1958: 
 1959: sub hidden_button_check {
 1960:     if ( $env{'request.course.id'} eq ''
 1961:          || $env{'request.role.adv'} ) {
 1962: 
 1963:         return;
 1964:     }
 1965:     my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
 1966:     return $buttonshide; 
 1967: }
 1968: 
 1969: sub roles_selector {
 1970:     my ($cdom,$cnum,$httphost) = @_;
 1971:     my $crstype = &Apache::loncommon::course_type();
 1972:     my $now = time;
 1973:     my (%courseroles,%seccount,%courseprivs);
 1974:     my $is_cc;
 1975:     my ($js,$form,$switcher);
 1976:     my $ccrole;
 1977:     if ($crstype eq 'Community') {
 1978:         $ccrole = 'co';
 1979:     } else {
 1980:         $ccrole = 'cc';
 1981:     }
 1982:     my ($priv,$gotsymb,$destsymb);
 1983:     my $destinationurl = $ENV{'REQUEST_URI'};
 1984:     if ($destinationurl =~ /\?symb=/) {
 1985:         $gotsymb = 1;
 1986:     } elsif ($destinationurl =~ m{^/enc/}) {
 1987:         my $plainurl = &Apache::lonenc::unencrypted($destinationurl);
 1988:         if ($plainurl =~ /\?symb=/) {
 1989:             $gotsymb = 1;
 1990:         }
 1991:     }
 1992:     unless ($gotsymb) {
 1993:         $destsymb = &Apache::lonnet::symbread();
 1994:         if ($destsymb ne '') {
 1995:             $destsymb = &Apache::lonenc::check_encrypt($destsymb);
 1996:         }
 1997:     }
 1998:     my $reqprivs = &required_privs();
 1999:     if (ref($reqprivs) eq 'HASH') {
 2000:         my $destination = $destinationurl;
 2001:         $destination =~ s/(\?.*)$//;
 2002:         if (exists($reqprivs->{$destination})) {
 2003:             $priv = $reqprivs->{$destination};
 2004:         }
 2005:     }
 2006:     if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) {
 2007:         my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum});
 2008:         
 2009:         if ((($start) && ($start<0)) || 
 2010:             (($end) && ($end<$now))  ||
 2011:             (($start) && ($now<$start))) {
 2012:             $is_cc = 0;
 2013:         } else {
 2014:             $is_cc = 1;
 2015:         }
 2016:     }
 2017:     if ($is_cc) {
 2018:         &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount,\%courseprivs,$priv);
 2019:     } else {
 2020:         my %gotnosection;
 2021:         foreach my $item (keys(%env)) {
 2022:             if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
 2023:                 my $role = $1;
 2024:                 my $sec = $2;
 2025:                 next if ($role eq 'gr');
 2026:                 my ($start,$end) = split(/\./,$env{$item});
 2027:                 next if (($start && $start > $now) || ($end && $end < $now));
 2028:                 if ($sec eq '') {
 2029:                     if (!$gotnosection{$role}) {
 2030:                         $seccount{$role} ++;
 2031:                         $gotnosection{$role} = 1;
 2032:                     }
 2033:                 }
 2034:                 if ($priv ne '') {
 2035:                     my $cnumsec = $cnum;
 2036:                     if ($sec ne '') {
 2037:                         $cnumsec .= "/$sec";
 2038:                     }
 2039:                     $courseprivs{"$role./$cdom/$cnumsec./"} =
 2040:                         $env{"user.priv.$role./$cdom/$cnumsec./"};
 2041:                     $courseprivs{"$role./$cdom/$cnumsec./$cdom/"} =
 2042:                         $env{"user.priv.$role./$cdom/$cnumsec./$cdom/"};
 2043:                     $courseprivs{"$role./$cdom/$cnumsec./$cdom/$cnumsec"} =
 2044:                         $env{"user.priv.$role./$cdom/$cnumsec./$cdom/$cnumsec"};
 2045:                 }
 2046:                 if (ref($courseroles{$role}) eq 'ARRAY') {
 2047:                     if ($sec ne '') {
 2048:                         if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
 2049:                             push(@{$courseroles{$role}},$sec);
 2050:                             $seccount{$role} ++;
 2051:                         }
 2052:                     }
 2053:                 } else {
 2054:                     @{$courseroles{$role}} = ();
 2055:                     if ($sec ne '') {
 2056:                         $seccount{$role} ++;
 2057:                         push(@{$courseroles{$role}},$sec);
 2058:                     }
 2059:                 }
 2060:             }
 2061:         }
 2062:     }
 2063:     my @roles_order = ($ccrole,'in','ta','ep','ad','st');
 2064:     my $numdiffsec;
 2065:     if (keys(%seccount) == 1) {
 2066:         foreach my $key (keys(%seccount)) {
 2067:             $numdiffsec = $seccount{$key};
 2068:         }
 2069:     }
 2070:     if ((keys(%seccount) > 1) || ($numdiffsec > 1)) {
 2071:         my @submenu;
 2072:         $js = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,$priv);
 2073:         $form = 
 2074:             '<form name="rolechooser" method="post" action="'.$httphost.'/adm/roles">'."\n".
 2075:             '  <input type="hidden" name="destinationurl" value="'.
 2076:             &HTML::Entities::encode($destinationurl).'" />'."\n".
 2077:             '  <input type="hidden" name="gotorole" value="1" />'."\n".
 2078:             '  <input type="hidden" name="selectrole" value="" />'."\n".
 2079:             '  <input type="hidden" name="switchrole" value="" />'."\n";
 2080:         if ($destsymb ne '') {
 2081:             $form .= '  <input type="hidden" name="destsymb" value="'.
 2082:                         &HTML::Entities::encode($destsymb).'" />'."\n";
 2083:         }
 2084:         $form .= '</form>'."\n";
 2085:         foreach my $role (@roles_order) {
 2086:             my $include;
 2087:             if (defined($courseroles{$role})) {
 2088:                 if ($env{'request.role'} =~ m{^\Q$role\E}) {
 2089:                     if ($seccount{$role} > 1) {
 2090:                         $include = 1;
 2091:                     }
 2092:                 } else {
 2093:                     $include = 1;
 2094:                 }
 2095:             }
 2096:             if ($include) {
 2097:                 push(@submenu,['javascript:adhocRole('."'$role'".')',
 2098:                                &Apache::lonnet::plaintext($role,$crstype)]);
 2099:             }
 2100:         }
 2101:         foreach my $role (sort(keys(%courseroles))) {
 2102:             if ($role =~ /^cr/) {
 2103:                 my $include;
 2104:                 if ($env{'request.role'} =~ m{^\Q$role\E}) {
 2105:                     if ($seccount{$role} > 1) {
 2106:                         $include = 1;
 2107:                     }
 2108:                 } else {
 2109:                     $include = 1; 
 2110:                 }
 2111:                 if ($include) {
 2112:                     push(@submenu,['javascript:adhocRole('."'$role'".')',
 2113:                                    &Apache::lonnet::plaintext($role)]);
 2114:                 }
 2115:             }
 2116:         }
 2117:         if (@submenu > 0) {
 2118:             $switcher = &create_submenu('','',&mt('Switch role'),\@submenu);
 2119:         }
 2120:     }
 2121:     return ($js,$form,$switcher);
 2122: }
 2123: 
 2124: sub get_all_courseroles {
 2125:     my ($cdom,$cnum,$courseroles,$seccount,$courseprivs) = @_;
 2126:     unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH') &&
 2127:             (ref($courseprivs) eq 'HASH')) {
 2128:         return;
 2129:     }
 2130:     my ($result,$cached) = 
 2131:         &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
 2132:     if (defined($cached)) {
 2133:         if (ref($result) eq 'HASH') {
 2134:             if ((ref($result->{'roles'}) eq 'HASH') && 
 2135:                 (ref($result->{'seccount'}) eq 'HASH') && 
 2136:                 (ref($result->{'privs'}) eq 'HASH')) {
 2137:                 %{$courseroles} = %{$result->{'roles'}};
 2138:                 %{$seccount} = %{$result->{'seccount'}};
 2139:                 %{$courseprivs} = %{$result->{'privs'}};
 2140:                 return;
 2141:             }
 2142:         }
 2143:     }
 2144:     my %gotnosection;
 2145:     my %adv_roles =
 2146:          &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 2147:     foreach my $role (keys(%adv_roles)) {
 2148:         my ($urole,$usec) = split(/:/,$role);
 2149:         if (!$gotnosection{$urole}) {
 2150:             $seccount->{$urole} ++;
 2151:             $gotnosection{$urole} = 1;
 2152:         }
 2153:         if (ref($courseroles->{$urole}) eq 'ARRAY') {
 2154:             if ($usec ne '') {
 2155:                 if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
 2156:                     push(@{$courseroles->{$urole}},$usec);
 2157:                     $seccount->{$urole} ++;
 2158:                 }
 2159:             }
 2160:         } else {
 2161:             @{$courseroles->{$urole}} = ();
 2162:             if ($usec ne '') {
 2163:                 $seccount->{$urole} ++;
 2164:                 push(@{$courseroles->{$urole}},$usec);
 2165:             }
 2166:         }
 2167:         my $area = '/'.$cdom.'/'.$cnum;
 2168:         if ($usec ne '') {
 2169:             $area .= '/'.$usec;
 2170:         }
 2171:         if ($role =~ /^cr\//) {
 2172:             &Apache::lonnet::custom_roleprivs($courseprivs,$urole,$cdom,$cnum,$urole.'.'.$area,$area);
 2173:         } else {
 2174:             &Apache::lonnet::standard_roleprivs($courseprivs,$urole,$cdom,$urole.'.'.$area,$cnum,$area);
 2175:         }
 2176:     }
 2177:     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
 2178:     @{$courseroles->{'st'}} = ();
 2179:     &Apache::lonnet::standard_roleprivs($courseprivs,'st',$cdom,"st./$cdom/$cnum",$cnum,"/$cdom/$cnum");
 2180:     if (keys(%sections_count) > 0) {
 2181:         push(@{$courseroles->{'st'}},keys(%sections_count));
 2182:         $seccount->{'st'} = scalar(keys(%sections_count));
 2183:     }
 2184:     $seccount->{'st'} ++; # Increment for a section-less student role.  
 2185:     my $rolehash = {
 2186:                      'roles'    => $courseroles,
 2187:                      'seccount' => $seccount,
 2188:                      'privs'    => $courseprivs,
 2189:                    };
 2190:     &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
 2191:     return;
 2192: }
 2193: 
 2194: sub jump_to_role {
 2195:     my ($cdom,$cnum,$seccount,$courseroles,$courseprivs,$priv) = @_;
 2196:     my %lt = &Apache::lonlocal::texthash(
 2197:                 this => 'This role has section(s) associated with it.',
 2198:                 ente => 'Enter a specific section.',
 2199:                 orlb => 'Enter a specific section, or leave blank for no section.',
 2200:                 avai => 'Available sections are:',
 2201:                 youe => 'You entered an invalid section choice:',
 2202:                 plst => 'Please try again.',
 2203:                 role => 'The role you selected is not permitted to view the current page.',
 2204:                 swit => 'Switch role, but display Main Menu page instead?',
 2205:     );
 2206:     my $js;
 2207:     if (ref($courseroles) eq 'HASH') {
 2208:         $js = '    var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n". 
 2209:               '    var numsec = new Array();'."\n".
 2210:               '    var rolesections = new Array();'."\n".
 2211:               '    var rolenames = new Array();'."\n".
 2212:               '    var roleseclist = new Array();'."\n";
 2213:         my @items = keys(%{$courseroles});
 2214:         for (my $i=0; $i<@items; $i++) {
 2215:             $js .= '    rolenames['.$i.'] = "'.$items[$i].'";'."\n";
 2216:             my ($secs,$secstr);
 2217:             if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
 2218:                 my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
 2219:                 $secs = join('","',@sections);
 2220:                 $secstr = join(', ',@sections);
 2221:             }
 2222:             $js .= '    rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
 2223:                    '    roleseclist['.$i.'] = "'.$secstr.'";'."\n".
 2224:                    '    numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
 2225:         }
 2226:     }
 2227:     my $checkroles = 0;
 2228:     if ($priv && ref($courseprivs) eq 'HASH') {
 2229:         my (%disallowed,%allowed,@disallow);
 2230:         foreach my $role (sort(keys(%{$courseprivs}))) {
 2231:             my $trole;
 2232:             if ($role =~ m{^(.+?)\Q./$cdom/$cnum\E}) {
 2233:                 $trole = $1;
 2234:             }
 2235:             if (($trole ne '') && ($trole ne 'cm')) {
 2236:                 if ($courseprivs->{$role} =~ /\Q:$priv\E($|:|\&\w+)/) {
 2237:                     $allowed{$trole} = 1;
 2238:                 } else {
 2239:                     $disallowed{$trole} = 1;
 2240:                 }
 2241:             }
 2242:         }
 2243:         foreach my $trole (keys(%disallowed)) {
 2244:             unless ($allowed{$trole}) {
 2245:                 push(@disallow,$trole);
 2246:             }
 2247:         }
 2248:         if (@disallow > 0) {
 2249:             $checkroles = 1;
 2250:             $js .= "    var disallow = new Array('".join("','",@disallow)."');\n".
 2251:                    "    var rolecheck = 1;\n";
 2252:         }
 2253:     }
 2254:     if (!$checkroles) {
 2255:         $js .=  "    var disallow = new Array();\n".
 2256:                 "    rolecheck = 0;\n";
 2257:     }
 2258:     return <<"END";
 2259: <script type="text/javascript">
 2260: //<![CDATA[
 2261: function adhocRole(newrole) {
 2262:     $js
 2263:     if (newrole == '') {
 2264:         return;
 2265:     } 
 2266:     var fullrole = newrole+'./$cdom/$cnum';
 2267:     var selidx = '';
 2268:     for (var i=0; i<rolenames.length; i++) {
 2269:         if (rolenames[i] == newrole) {
 2270:             selidx = i;
 2271:         }
 2272:     }
 2273:     if (rolecheck > 0) {
 2274:         for (var i=0; i<disallow.length; i++) {
 2275:             if (disallow[i] == newrole) {
 2276:                 if (confirm("$lt{'role'}\\n$lt{'swit'}")) {
 2277:                     document.rolechooser.destinationurl.value = '/adm/menu';
 2278:                 } else {
 2279:                     return;
 2280:                 }
 2281:             }
 2282:         }
 2283:     }
 2284:     var secok = 1;
 2285:     var secchoice = '';
 2286:     if (selidx >= 0) {
 2287:         if (numsec[selidx] > 1) {
 2288:             secok = 0;
 2289:             var numrolesec = rolesections[selidx].length;
 2290:             var msgidx = numsec[selidx] - numrolesec;
 2291:             secchoice = prompt("$lt{'this'} "+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
 2292:             if (secchoice == '') {
 2293:                 if (msgidx > 0) {
 2294:                     secok = 1;
 2295:                 }
 2296:             } else {
 2297:                 for (var j=0; j<rolesections[selidx].length; j++) {
 2298:                     if (rolesections[selidx][j] == secchoice) {
 2299:                         secok = 1;
 2300:                     }
 2301:                 }
 2302:             }
 2303:         } else {
 2304:             if (rolesections[selidx].length == 1) {
 2305:                 secchoice = rolesections[selidx][0];
 2306:             }
 2307:         }
 2308:     }
 2309:     if (secok == 1) {
 2310:         if (secchoice != '') {
 2311:             fullrole += '/'+secchoice;
 2312:         }
 2313:     } else {
 2314:         if (secchoice != null) {
 2315:             alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
 2316:         }
 2317:         return;
 2318:     }
 2319:     if (fullrole == "$env{'request.role'}") {
 2320:         return;
 2321:     }
 2322:     itemid = retrieveIndex('gotorole');
 2323:     if (itemid != -1) {
 2324:         document.rolechooser.elements[itemid].name = fullrole;
 2325:     }
 2326:     document.rolechooser.switchrole.value = fullrole;
 2327:     document.rolechooser.selectrole.value = '1';
 2328:     document.rolechooser.submit();
 2329:     return;
 2330: }
 2331: 
 2332: function retrieveIndex(item) {
 2333:     for (var i=0;i<document.rolechooser.elements.length;i++) {
 2334:         if (document.rolechooser.elements[i].name == item) {
 2335:             return i;
 2336:         }
 2337:     }
 2338:     return -1;
 2339: }
 2340: // ]]>
 2341: </script>
 2342: END
 2343: }
 2344: 
 2345: sub required_privs {
 2346:     my $privs =  {
 2347:              '/adm/parmset'      => 'opa',
 2348:              '/adm/courseprefs'  => 'opa',
 2349:              '/adm/whatsnew'     => 'whn',
 2350:              '/adm/populate'     => 'cst',
 2351:              '/adm/trackstudent' => 'vsa',
 2352:              '/adm/statistics'   => 'vgr',
 2353:              '/adm/setblock'     => 'dcm',
 2354:              '/adm/coursedocs'   => 'mdc',
 2355:            };
 2356:     unless ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'spreadsheet') {
 2357:         $privs->{'/adm/classcalc'}   = 'vgr',
 2358:         $privs->{'/adm/assesscalc'}  = 'vgr',
 2359:         $privs->{'/adm/studentcalc'} = 'vgr';
 2360:     }
 2361:     return $privs;
 2362: }
 2363: 
 2364: sub countdown_timer {
 2365:     if (($env{'request.course.id'}) && ($env{'request.symb'} ne '') &&
 2366:         ($env{'request.filename'}=~/$LONCAPA::assess_re/)) {
 2367:         my ($type,$hastimeleft,$slothastime);
 2368:         my $now = time;
 2369:         if ($env{'request.filename'} =~ /\.task$/) {
 2370:             $type = 'Task';
 2371:         } else {
 2372:             $type = 'problem';
 2373:         }
 2374:         my ($status,$accessmsg,$slot_name,$slot) =
 2375:             &Apache::lonhomework::check_slot_access('0',$type);
 2376:         if ($slot_name ne '') {
 2377:             if (ref($slot) eq 'HASH') {
 2378:                 if (($slot->{'starttime'} < $now) &&
 2379:                     ($slot->{'endtime'} > $now)) {
 2380:                     $slothastime = 1;
 2381:                 }
 2382:             }
 2383:         }
 2384:         if ($status ne 'CAN_ANSWER') {
 2385:             return;
 2386:         }
 2387:         my $duedate = &Apache::lonnet::EXT("resource.0.duedate");
 2388:         my @interval=&Apache::lonnet::EXT("resource.0.interval");
 2389:         my ($timelimit,$usesdone,$proctor,$secret);
 2390:         if (@interval > 1) {
 2391:             ($timelimit,$usesdone,$proctor,$secret) = split(/_/,$interval[0]); 
 2392:             my $first_access=&Apache::lonnet::get_first_access($interval[1]);
 2393:             if ($first_access > 0) {
 2394:                 if ($first_access+$timelimit > time) {
 2395:                     $hastimeleft = 1;
 2396:                 }
 2397:             }
 2398:         }
 2399:         if (($duedate && $duedate > time) ||
 2400:             (!$duedate && $hastimeleft) ||
 2401:             ($slot_name ne '' && $slothastime)) {
 2402:             my ($collapse,$expand,$alttxt,$title,$currdisp,$donebutton);
 2403:             if ((@interval > 1 && $hastimeleft) ||
 2404:                 ($type eq 'Task' && $slothastime)) {
 2405:                 $currdisp = 'inline';
 2406:                 $collapse = '&#9658;&nbsp;';
 2407:                 if ((@interval > 1) && ($hastimeleft)) {
 2408:                     if ($usesdone eq 'done') {
 2409:                         $donebutton = &done_button_js($interval[1],'','',$proctor);
 2410:                     }
 2411:                 }
 2412:             } else {
 2413:                 $currdisp = 'none';
 2414:                 $expand = '&#9668;&nbsp;';
 2415:             }
 2416:             unless ($env{'environment.icons'} eq 'iconsonly') {
 2417:                 $alttxt = &mt('Timer');
 2418:                 $title = $alttxt.'&nbsp;';
 2419:             }
 2420:             my $desc = &mt('Countdown to due date/time');
 2421: 
 2422:             return <<END;
 2423: $donebutton
 2424: <a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
 2425: <span id="ddcountcollapse" class="LC_menubuttons_inline_text">
 2426: $collapse
 2427: </span></a>
 2428: <span id="duedatecountdown" class="LC_menubuttons_inline_text" style="display: $currdisp;"></span>
 2429: <a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
 2430: <span id="ddcountexpand" class="LC_menubuttons_inline_text" >$expand</span>
 2431: <img src="/res/adm/pages/timer.png" title="$desc" class="LC_icon" alt="$alttxt" /><span class="LC_menubuttons_inline_text">$title</span></a>
 2432: END
 2433:         }
 2434:     }
 2435:     return;
 2436: }
 2437: 
 2438: # ================================================================ Main Program
 2439: 
 2440: BEGIN {
 2441:     if (! defined($readdesk)) {
 2442:         {
 2443:             my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
 2444:             if ( CORE::open( my $config,"<$tabfile") ) {
 2445:                 while (my $configline=<$config>) {
 2446:                     $configline=(split(/\#/,$configline))[0];
 2447:                     $configline=~s/^\s+//;
 2448:                     chomp($configline);
 2449:                     if ($configline=~/^cat\:/) {
 2450:                         my @entries=split(/\:/,$configline);
 2451:                         $category_positions{$entries[2]}=$entries[1];
 2452:                         $category_names{$entries[2]}=$entries[3];
 2453:                     } elsif ($configline=~/^prim\:/) {
 2454:                         my @entries = (split(/\:/, $configline))[1..6];
 2455:                         push(@primary_menu,\@entries);
 2456:                     } elsif ($configline=~/^primsub\:/) {
 2457:                         my ($parent,@entries) = (split(/\:/, $configline))[1..4];
 2458:                         push(@{$primary_submenu{$parent}},\@entries);
 2459:                     } elsif ($configline=~/^scnd\:/) {
 2460:                         my @entries = (split(/\:/, $configline))[1..5];
 2461:                         push(@secondary_menu,\@entries);
 2462:                     } elsif ($configline) {
 2463:                         push(@desklines,$configline);
 2464:                     }
 2465:                 }
 2466:                 CORE::close($config);
 2467:             }
 2468:         }
 2469:         $readdesk='done';
 2470:     }
 2471: }
 2472: 
 2473: 1;
 2474: __END__
 2475: 

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