File:  [LON-CAPA] / loncom / interface / lonmenu.pm
Revision 1.315.2.2: download - view: text, annotated - select for diffs
Sat Aug 14 21:38:08 2010 UTC (13 years, 10 months ago) by raeburn
Branches: version_2_10_X
- Backport 1.328, 1.329, 1.330, 1.331.

    1: # The LearningOnline Network with CAPA
    2: # Routines to control the menu
    3: #
    4: # $Id: lonmenu.pm,v 1.315.2.2 2010/08/14 21:38:08 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: #
   29: # There is one parameter controlling the action of this module:
   30: #
   31: # environment.remote - if this is 'on', the routines controll the remote
   32: # control, otherwise they render the main window controls; 
   33: 
   34: =head1 NAME
   35: 
   36: Apache::lonmenu
   37: 
   38: =head1 SYNOPSIS
   39: 
   40: Coordinates the response to clicking an image.
   41: 
   42: This is part of the LearningOnline Network with CAPA project
   43: described at http://www.lon-capa.org.
   44: 
   45: =head1 GLOBAL VARIABLES
   46: 
   47: =over
   48: 
   49: =item @desklines
   50: 
   51: Each element of this array contains a line of mydesk.tab that doesn't start with
   52: cat, prim or scnd. 
   53: It gets filled in the BEGIN block of this module.
   54: 
   55: =item %category_names
   56: 
   57: The keys of this hash are the abbreviations used in mydesk.tab in those lines that 
   58: start with cat, the values are strings representing titles. 
   59: It gets filled in the BEGIN block of this module.
   60: 
   61: =item %category_members
   62: 
   63: TODO 
   64: 
   65: =item %category_positions
   66: 
   67: The keys of this hash are the abbreviations used in mydesk.tab in those lines that
   68: start with cat, its values are position vectors (column, row). 
   69: It gets filled in the BEGIN block of this module.
   70: 
   71: =item $readdesk
   72: 
   73: Indicates that mydesk.tab has been read. 
   74: It is set to 'done' in the BEGIN block of this module.
   75: 
   76: =item @primary_menu
   77: 
   78: The elements of this array reference arrays that are made up of the components
   79: of those lines of mydesk.tab that start with prim.
   80: It is used by primary_menu() to generate the corresponding menu.
   81: It gets filled in the BEGIN block of this module.
   82: 
   83: =item @secondary_menu
   84: 
   85: The elements of this array reference arrays that are made up of the components
   86: of those lines of mydesk.tab that start with scnd.
   87: It is used by secondary_menu() to generate the corresponding menu.
   88: It gets filled in the BEGIN block of this module.
   89: 
   90: =back
   91: 
   92: =head1 SUBROUTINES
   93: 
   94: =over
   95: 
   96: =item prep_menuitems(\@menuitem)
   97: 
   98: This routine wraps a menuitem in proper HTML. It is used by primary_menu() and 
   99: secondary_menu().
  100: 
  101: =item primary_menu()
  102: 
  103: This routine evaluates @primary_menu and returns XHTML for the menu
  104: that contains following links: About, Message, Roles, Help, Logout
  105: @primary_menu is filled within the BEGIN block of this module with 
  106: entries from mydesk.tab 
  107: 
  108: =item secondary_menu()
  109: 
  110: Same as primary_menu() but operates on @secondary_menu.
  111: 
  112: =item show_return_link()
  113: 
  114: =item registerurl()
  115: 
  116: This gets called in the header section
  117: 
  118: =item innerregister()
  119: 
  120: This gets called in order to register a URL, both with the Remote
  121: and in the body of the document
  122: 
  123: =item loadevents()
  124: 
  125: =item unloadevents()
  126: 
  127: =item startupremote()
  128: 
  129: =item setflags()
  130: 
  131: =item maincall()
  132: 
  133: =item load_remote_msg()
  134: 
  135: =item get_menu_name()
  136: 
  137: =item reopenmenu()
  138: 
  139: =item open()
  140: 
  141: Open the menu
  142: 
  143: =item clear()
  144: 
  145: =item switch()
  146: 
  147: Switch a button or create a link
  148: Switch acts on the javascript that is executed when a button is clicked.  
  149: The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
  150: 
  151: =item secondlevel()
  152: 
  153: =item openmenu()
  154: 
  155: =item inlinemenu()
  156: 
  157: =item rawconfig()
  158: 
  159: =item close()
  160: 
  161: =item footer()
  162: 
  163: =item utilityfunctions()
  164: 
  165: =item serverform()
  166: 
  167: =item constspaceform()
  168: 
  169: =item get_nav_status()
  170: 
  171: =item hidden_button_check()
  172: 
  173: =item roles_selector()
  174: 
  175: =item jump_to_role()
  176: 
  177: =back
  178: 
  179: =cut
  180: 
  181: package Apache::lonmenu;
  182: 
  183: use strict;
  184: use Apache::lonnet;
  185: use Apache::lonhtmlcommon();
  186: use Apache::loncommon();
  187: use Apache::lonenc();
  188: use Apache::lonlocal;
  189: use LONCAPA qw(:DEFAULT :match);
  190: use HTML::Entities();
  191: 
  192: use vars qw(@desklines %category_names %category_members %category_positions 
  193:             $readdesk @primary_menu @secondary_menu);
  194: 
  195: my @inlineremote;
  196: 
  197: sub prep_menuitem {
  198:     my ($menuitem) = @_;
  199:     return '' unless(ref($menuitem) eq 'ARRAY');
  200:     my $link;
  201:     if ($$menuitem[1]) { # graphical Link
  202:         $link = "<img class=\"LC_noBorder\""
  203:               . " src=\"" . &Apache::loncommon::lonhttpdurl($$menuitem[1]) . "\"" 
  204:               . " alt=\"" . &mt($$menuitem[2]) . "\" />";
  205:     } else {             # textual Link
  206:         $link = &mt($$menuitem[3]);
  207:     }
  208:     if($$menuitem[4] eq 'newmsg'){   #special style for New Messages
  209:         return '<li><a href="'.$$menuitem[0].'"><span class="LC_new_message">'.$link.'</span></a></li>';
  210:     }
  211:     return '<li><a href="'.$$menuitem[0].'">'.$link.'</a></li>';
  212: }
  213: 
  214: # primary_menu() evaluates @primary_menu and returns XHTML for the menu
  215: # that contains following links:
  216: # About, Message, Roles, Help, Logout
  217: # @primary_menu is filled within the BEGIN block of this module with 
  218: # entries from mydesk.tab
  219: sub primary_menu {
  220:     my $menu;
  221:     # each element of @primary contains following array:
  222:     # (link url, icon path, alt text, link text, condition)
  223:     my $public;
  224:     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
  225:         || (($env{'user.name'} eq '') && ($env{'user.domain'} eq ''))) {
  226:         $public = 1;
  227:     }
  228:     foreach my $menuitem (@primary_menu) {
  229:         # evaluate conditions 
  230:         next if    ref($menuitem)       ne 'ARRAY';    #
  231:         next if    $$menuitem[4]        eq 'nonewmsg'  # show links depending on
  232:                 && &Apache::lonmsg::mynewmail();       # whether a new msg 
  233:         next if    $$menuitem[4]        eq 'newmsg'    # arrived or not
  234:                 && !&Apache::lonmsg::mynewmail();      # 
  235:         next if    $$menuitem[4]        !~ /public/    ##we've a public user,
  236:                 && $public;                            ##who should not see all
  237:                                                        ##links
  238:         next if    $$menuitem[4]        eq 'onlypublic'# hide links which are
  239:                 && !$public;                           # only visible to public
  240:                                                        # users
  241:         next if    $$menuitem[4]        eq 'roles'     ##show links depending on
  242:                 && &Apache::loncommon::show_course();  ##term 'Courses' or
  243:         next if    $$menuitem[4]        eq 'courses'   ##'Roles' wanted
  244:                 && !&Apache::loncommon::show_course(); ##
  245: 
  246: 
  247:         if ($$menuitem[3] eq 'Help') { # special treatment for helplink
  248:             $menu .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
  249:         } else {
  250:             my @items = @{$menuitem};
  251:             $items[0] = 'javascript:'.$menuitem->[0].';';
  252:             $menu .= &prep_menuitem(\@items);
  253:         }
  254:     }
  255: 
  256:     return "<ol class=\"LC_primary_menu LC_right\">$menu</ol>";
  257: }
  258: 
  259: #returns hashref {user=>'',dom=>''} containing:
  260: #   own name, domain if user is au
  261: #   name, domain of parent author if user is ca or aa
  262: #empty return if user is not an author or not on homeserver
  263: #
  264: #TODO this should probably be moved somewhere more central
  265: #since it can be used by different parts of the system
  266: sub getauthor{
  267:     return unless $env{'request.role'}=~/^(ca|aa|au)/; #nothing to do if user isn't some kind of author
  268: 
  269:                         #co- or assistent author?
  270:     my ($dom, $user) = ($env{'request.role'} =~ /^(?:ca|aa)\.\/($match_domain)\/($match_username)$/)
  271:                        ? ($1, $2) #domain, username of the parent author
  272:                        : @env{ ('request.role.domain', 'user.name') }; #own domain, username
  273: 
  274:     # current server == home server?
  275:     my $home =  &Apache::lonnet::homeserver($user,$dom);
  276:     foreach (&Apache::lonnet::current_machine_ids()){
  277:         return {user => $user, dom => $dom} if $_ eq $home;
  278:     }
  279: 
  280:     # if wrong server
  281:     return;
  282: }
  283: 
  284: 
  285: sub secondary_menu {
  286:     my $menu;
  287: 
  288:     my $crstype = &Apache::loncommon::course_type();
  289:     my $crs_sec = $env{'request.course.id'} . ($env{'request.course.sec'}
  290:                                                ? "/$env{'request.course.sec'}"
  291:                                                : '');
  292:     my $canedit       = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
  293:     my $canviewgrps   = &Apache::lonnet::allowed('vcg', $crs_sec);
  294:     my $author        = getauthor();
  295: 
  296:     my $showlink = &show_return_link();
  297:     my %groups = &Apache::lonnet::get_active_groups(
  298:                      $env{'user.domain'}, $env{'user.name'},
  299:                      $env{'course.' . $env{'request.course.id'} . '.domain'},
  300:                      $env{'course.' . $env{'request.course.id'} . '.num'});
  301:     foreach my $menuitem (@secondary_menu) {
  302:         # evaluate conditions 
  303:         next if    ref($menuitem)  ne 'ARRAY';
  304:         next if    $$menuitem[4]   ne 'always'
  305:                 && $$menuitem[4]   ne 'author'
  306:                 && !$env{'request.course.id'};
  307:         next if    $$menuitem[4]   eq 'showreturn'
  308:                 && !$showlink
  309:                 && !($env{'request.state'} eq 'construct');
  310:         next if    $$menuitem[4]   =~ /^mdc/
  311:                 && !$canedit;
  312:         next if    $$menuitem[4]  eq 'mdcCourse'
  313:                 && $crstype eq 'Community';
  314:         next if    $$menuitem[4]  eq 'mdcCommunity'
  315:                 && $crstype ne 'Community';
  316:         next if    $$menuitem[4]  =~ /^remotenav/
  317:                 && $env{'environment.remotenavmap'} ne 'on';
  318:         next if    $$menuitem[4]  =~ /noremotenav/
  319:                 && $env{'environment.remotenavmap'} eq 'on';
  320:         next if $$menuitem[4] =~ /^(no|)remotenav$/ 
  321:                 && $crstype eq 'Community';
  322:         next if $$menuitem[4] =~ /^(no|)remotenavCommunity$/ 
  323:                 && $crstype ne 'Community';
  324:         next if    $$menuitem[4]   =~ /showgroups$/
  325:                 && !$canviewgrps
  326:                 && !%groups;
  327:         next if    $$menuitem[4]    eq 'author'
  328:                 && !$author;
  329: 
  330:         if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
  331:             # special treatment for role selector
  332:             my $roles_selector = &roles_selector(
  333:                         $env{'course.' . $env{'request.course.id'} . '.domain'},
  334:                         $env{'course.' . $env{'request.course.id'} . '.num'}  );
  335: 
  336:             $menu .= $roles_selector ? "<li>$roles_selector</li>"
  337:                                      : '';
  338:         } elsif ($env{'environment.remotenavmap'} eq 'on') {
  339:             # open link using javascript when remote navmap is activated
  340:             my @items = @{$menuitem}; 
  341:             if ($menuitem->[4] eq 'remotenav') {
  342:                 $items[0] = "javascript:gonav('$menuitem->[0]');";
  343:             } else {
  344:                 $items[0] = "javascript:go('$menuitem->[0]');";
  345:             }
  346:             $menu .= &prep_menuitem(\@items);
  347:         } else {
  348:             $menu .= &prep_menuitem(\@$menuitem);
  349:         }
  350:     }
  351:     if ($menu =~ /\[url\].*\[symb\]/) {
  352:         my $escurl  = &escape( &Apache::lonenc::check_encrypt(
  353:                              $env{'request.noversionuri'}));
  354: 
  355:         my $escsymb = &escape( &Apache::lonenc::check_encrypt(
  356:                              $env{'request.symb'})); 
  357: 
  358:         if (    $env{'request.state'} eq 'construct'
  359:             and (   $env{'request.noversionuri'} eq '' 
  360:                  || !defined($env{'request.noversionuri'}))) 
  361:         {
  362:             ($escurl = $env{'request.filename'}) =~ 
  363:                 s{^/home/([^/]+)/public_html/(.*)$}{/priv/$1/$2};
  364: 
  365:             $escurl  = &escape($escurl);
  366:         }    
  367:         $menu =~ s/\[url\]/$escurl/g;
  368:         $menu =~ s/\[symb\]/$escsymb/g;
  369:     }
  370:     $menu =~ s/\[uname\]/$$author{user}/g;
  371:     $menu =~ s/\[udom\]/$$author{dom}/g;
  372: 
  373:     return "<ul id=\"LC_secondary_menu\">$menu</ul>";
  374: }
  375: 
  376: sub show_return_link {
  377:     if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
  378:         || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
  379: 
  380:         return if ($env{'form.register'});
  381:     }
  382:     return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
  383: 	     $env{'request.symb'} eq '')
  384: 	    ||
  385: 	    ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
  386: 	    ||
  387: 	    (($env{'request.noversionuri'}=~/^\/adm\//) &&
  388: 	     ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
  389: 	     ($env{'request.noversionuri'}!~
  390: 	      m[^/adm/.*/(smppg|bulletinboard)($|\?)])
  391: 	     ));
  392: }
  393: 
  394: 
  395: sub registerurl {
  396:     my ($forcereg) = @_;
  397:     my $result = '';
  398:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  399:     my $force_title='';
  400:     if ($env{'request.state'} eq 'construct') {
  401: 	$force_title=&Apache::lonxml::display_title();
  402:     }
  403:     if (($env{'environment.remote'} eq 'off') ||
  404:         ((($env{'request.publicaccess'}) || 
  405:          (!&Apache::lonnet::is_on_map(
  406: 	   &unescape($env{'request.noversionuri'})))) &&
  407:         (!$forcereg))) {
  408:  	return
  409:         $result
  410:        .'<script type="text/javascript">'."\n"
  411:        .'// <![CDATA['."\n"
  412:        .'function LONCAPAreg(){;} function LONCAPAstale(){}'."\n"
  413:        .'// ]]>'."\n"
  414:        .'</script>'
  415:        .$force_title;
  416:     }
  417: # Graphical display after login only
  418:     if ($env{'request.registered'} && !$forcereg) { return ''; }
  419:     $result.=&innerregister($forcereg);
  420:     return $result.$force_title;
  421: }
  422: 
  423: sub innerregister {
  424:     my ($forcereg,$titletable,$bread_crumbs) = @_;
  425:     my $result = '';
  426:     my ($uname,$thisdisfn);
  427:     my $const_space = ($env{'request.state'} eq 'construct');
  428:     my $is_const_dir = 0;
  429: 
  430:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  431: 
  432:     $env{'request.registered'} = 1;
  433: 
  434:     my $noremote = ($env{'environment.remote'} eq 'off');
  435:     
  436:     undef(@inlineremote);
  437: 
  438:     my $reopen=&Apache::lonmenu::reopenmenu();
  439: 
  440:     my $newmail='';
  441: 
  442:     if (&Apache::lonmsg::newmail() && !$noremote) { 
  443:         # We have new mail and remote is up
  444:         $newmail= 'swmenu.setstatus("you have","messages");';
  445:     } 
  446: 
  447:     my ($breadcrumb,$separator);
  448:     if ($noremote
  449: 	     && ($env{'request.symb'}) 
  450: 	     && ($env{'request.course.id'})) {
  451: 
  452:         my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
  453:         my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
  454: 
  455:         my $maptitle = &Apache::lonnet::gettitle($mapurl);
  456:         my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
  457:         my $contentstext;
  458:         if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Community') {
  459:             $contentstext = &mt('Community Contents');
  460:         } else {
  461:             $contentstext = &mt('Course Contents');
  462:         }
  463:         my @crumbs;
  464:         unless (($forcereg) && ($env{'request.noversionuri'} eq '/adm/navmaps')
  465:                 && ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
  466:             @crumbs = ({text  => $contentstext,
  467:                         href  => "Javascript:gopost('/adm/navmaps','')"});
  468:         }
  469:         if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
  470:             push(@crumbs, {text  => '...',
  471:                            no_mt => 1});
  472:         }
  473: 
  474:         push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
  475:                                                    && $maptitle ne 'default.sequence' 
  476:                                                    && $maptitle ne $coursetitle);
  477: 
  478:         push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
  479: 
  480:         &Apache::lonhtmlcommon::clear_breadcrumbs();
  481:         &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
  482: 
  483:         #$breadcrumb .= &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
  484: 	unless (($env{'request.state'} eq 'edit') || ($newmail) ||
  485: 		($env{'request.state'} eq 'construct') ||
  486: 		($env{'form.register'})) {
  487:             $separator = &Apache::loncommon::head_subbox();
  488:         }
  489:         #
  490:     } elsif (!$const_space){
  491:         #a situation when we're looking at a resource outside of context of a
  492:         #course or construction space (e.g. with cumulative rights)
  493:         &Apache::lonhtmlcommon::clear_breadcrumbs();
  494:         &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
  495:     }
  496:     if ($env{'request.state'} eq 'construct') {
  497:         $newmail = $titletable;
  498:     } 
  499:     my $timesync   = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
  500:     my $tablestart = ( $noremote ? '<table id="LC_menubuttons">' : '');
  501:     my $tableend   = ( $noremote ? '</table>' : '');
  502: # =============================================================================
  503: # ============================ This is for URLs that actually can be registered
  504:     if (($env{'request.noversionuri'}!~m{^/(res/)*adm/}) || ($forcereg)) {
  505: # -- This applies to homework problems for users with grading privileges
  506: 	my $crs='/'.$env{'request.course.id'};
  507: 	if ($env{'request.course.sec'}) {
  508: 	    $crs.='_'.$env{'request.course.sec'};
  509: 	}
  510: 	$crs=~s/\_/\//g;
  511: 
  512:         my $hwkadd='';
  513:         if ($env{'request.symb'} ne '' &&
  514: 	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
  515: 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
  516: 		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_4]',
  517:                        "gocmd('/adm/grades','gradingmenu')",
  518:                        'Modify user grades for this assessment resource');
  519:             } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
  520: 		$hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
  521:                        "gocmd('/adm/grades','submission')",
  522: 		       'View user submissions for this assessment resource');
  523:             }
  524: 	}
  525: 	if ($env{'request.symb'} ne '' &&
  526: 	    &Apache::lonnet::allowed('opa',$crs)) {
  527: 	    $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
  528: 			     "gocmd('/adm/parmset','set')",
  529: 			     'Modify parameter settings for this resource');
  530: 	}
  531: # -- End Homework
  532:         ###
  533:         ### Determine whether or not to display the 'cstr' button for this
  534:         ### resource
  535:         ###
  536:         my $editbutton = '';
  537:         my $noeditbutton = 1;
  538:         my ($cnum,$cdom);
  539:         if ($env{'request.course.id'}) {
  540:             $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  541:             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  542:         }
  543:         if ($env{'user.author'}) {
  544:             if ($env{'request.role'}=~/^(aa|ca|au)/) {
  545: #
  546: # We have the role of an author
  547: #
  548:                 # Set defaults for authors
  549:                 my ($top,$bottom) = ('con-','struct');
  550:                 my $action = "go('/priv/".$env{'user.name'}."');";
  551:                 my $cadom  = $env{'request.role.domain'};
  552:                 my $caname = $env{'user.name'};
  553:                 my $desc = "Enter my construction space";
  554:                 # Set defaults for co-authors
  555:                 if ($env{'request.role'} =~ /^ca/) { 
  556:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  557:                     ($top,$bottom) = ('co con-','struct');
  558:                     $action = "go('/priv/".$caname."');";
  559:                     $desc = "Enter construction space as co-author";
  560:                 } elsif ($env{'request.role'} =~ /^aa/) {
  561:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  562:                     ($top,$bottom) = ('co con-','struct');
  563:                     $action = "go('/priv/".$caname."');";
  564:                     $desc = "Enter construction space as assistant co-author";
  565:                 }
  566:                 # Check that we are on the correct machine
  567:                 my $home = &Apache::lonnet::homeserver($caname,$cadom);
  568: 		my $allowed=0;
  569: 		my @ids=&Apache::lonnet::current_machine_ids();
  570: 		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  571: 		if (!$allowed) {
  572: 		    $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
  573:                     $noeditbutton = 0;
  574:                 }
  575:             }
  576: #
  577: # We are an author for some stuff, but currently do not have the role of author.
  578: # Figure out if we have authoring privileges for the resource we are looking at.
  579: # This should maybe become a privilege check in lonnet
  580: #
  581:             ##
  582:             ## Determine if user can edit url.
  583:             ##
  584:             my $cfile='';
  585:             my $cfuname='';
  586:             my $cfudom='';
  587:             my $uploaded;
  588:             my $switchserver='';
  589:             my $home;
  590:             if ($env{'request.filename'}) {
  591:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  592:                 if (defined($cnum) && defined($cdom)) {
  593:                     $uploaded = &is_course_upload($file,$cnum,$cdom);
  594:                 }
  595:                 if (!$uploaded) {
  596:                     $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
  597:                     # Check that the user has permission to edit this resource
  598:                     ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
  599:                     if (defined($cfudom)) {
  600: 		        $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
  601: 		        my $allowed=0;
  602: 		        my @ids=&Apache::lonnet::current_machine_ids();
  603: 		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  604: 		        if ($allowed) {
  605:                             $cfile=$file;
  606:                         } else {
  607:                             $switchserver=$file;
  608:                         }
  609:                     }
  610:                 }
  611:             }
  612:             # Finally, turn the button on or off
  613:             if (($cfile || $switchserver) && !$const_space) {
  614:                 my $nocrsedit;
  615:                 # Suppress display where CC has switched to student role.
  616:                 if ($env{'request.course.id'}) {
  617:                     unless(&Apache::lonnet::allowed('mdc',
  618:                                                     $env{'request.course.id'})) {
  619:                         $nocrsedit = 1;
  620:                     }
  621:                 }
  622:                 if ($nocrsedit) {
  623:                     $editbutton=&clear(6,1);
  624:                 } else {
  625:                     if ($switchserver) {
  626:                         if ( $env{'request.symb'} && $env{'request.course.id'} ) {
  627:                             my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
  628:                             $cfile = '/adm/switchserver?otherserver='.$home.'&amp;role='.$env{'request.role'}.'&amp;symb='.$env{'request.symb'}.'&amp;origurl='.$resurl;
  629:                         }
  630:                     }
  631:                     $editbutton=&switch
  632:                        ('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
  633:                      "go('".$cfile."');","Edit this resource");
  634:                     $noeditbutton = 0;
  635:                 }
  636:             } elsif ($editbutton eq '') {
  637:                 $editbutton=&clear(6,1);
  638:             }
  639:         }
  640:         if (($noeditbutton) && ($env{'request.filename'})) { 
  641:             if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  642:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  643:                 if (defined($cnum) && defined($cdom)) {
  644:                     if (&is_course_upload($file,$cnum,$cdom)) {
  645:                         my $cfile = &edit_course_upload($file,$cnum,$cdom);
  646:                         if ($cfile) {
  647:                             $editbutton=&switch
  648:                                         ('','',6,1,'pcstr.gif','edit[_1]',
  649:                                          'resource[_2]',"go('".$cfile."');",
  650:                                          'Edit this resource');
  651:                         }
  652:                     }
  653:                 }
  654:             }
  655:         }
  656:         ###
  657:         ###
  658: # Prepare the rest of the buttons
  659:         my $menuitems;
  660:         if ($const_space) {
  661: #
  662: # We are in construction space
  663: #
  664: 	    my ($uname,$thisdisfn) =
  665: 		($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
  666:             my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
  667:             if ($currdir =~ m-/$-) {
  668:                 $is_const_dir = 1;
  669:             } else {
  670:                 $currdir =~ s|[^/]+$||;
  671: 		my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
  672: 		my $esc_currdir = &Apache::loncommon::escape_single($currdir);
  673: #
  674: # Probably should be in mydesk.tab
  675: #
  676:                 $menuitems=(<<ENDMENUITEMS);
  677: s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
  678: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
  679: s&6&3&pub.gif&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
  680: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
  681: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
  682: ENDMENUITEMS
  683:             }
  684:             if ($noremote) {
  685:                 if (ref($bread_crumbs) eq 'ARRAY') {
  686:                     &Apache::lonhtmlcommon::clear_breadcrumbs();
  687:                     foreach my $crumb (@{$bread_crumbs}){
  688:                         &Apache::lonhtmlcommon::add_breadcrumb($crumb);
  689:                     }
  690:                 }
  691:             }
  692:         } elsif ( defined($env{'request.course.id'}) && 
  693: 		 $env{'request.symb'} ne '' ) {
  694: #
  695: # We are in a course and looking at a registred URL
  696: # Should probably be in mydesk.tab
  697: #
  698: 	    $menuitems=(<<ENDMENUITEMS);
  699: c&3&1
  700: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
  701: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
  702: c&6&3
  703: c&8&1
  704: c&8&2
  705: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  706: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
  707: ENDMENUITEMS
  708: 
  709: my $currentURL = &Apache::loncommon::get_symb();
  710: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
  711: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
  712: $menuitems.="s&9&3&";
  713: if(length($annotation) > 0){
  714: 	$menuitems.="anot2.gif";
  715: }else{
  716: 	$menuitems.="anot.gif";
  717: }
  718: $menuitems.="&anno-[_1]&tations[_1]&annotate()&";
  719: $menuitems.="Make notes and annotations about this resource&&1\n";
  720: 
  721:             unless ($noremote) { 
  722:                 my $showreqcrs = &check_for_rcrs();
  723:                 if ($showreqcrs) {
  724:                     $menuitems.="s&8&1&rcrs.gif&request[_1]&course[_16]".
  725:                                 "&go('/adm/requestcourse')&Course requests\n";
  726:                 }
  727:             }
  728:             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme|viewclasslist|portfolio)(\?|$)/) {
  729: 		if ((!$env{'request.enc'}) && ($env{'request.noversionuri'} !~ m{^/adm/wrapper/ext/})) {
  730: 		    $menuitems.=(<<ENDREALRES);
  731: s&6&3&catalog.gif&catalog[_2]&info[_1]&catalog_info()&Show Metadata
  732: ENDREALRES
  733:                 }
  734: 	        $menuitems.=(<<ENDREALRES);
  735: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
  736: s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
  737: ENDREALRES
  738: 	    }
  739:         }
  740: 	if ($env{'request.uri'} =~ /^\/res/) {
  741: 	    $menuitems .= (<<ENDMENUITEMS);
  742: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  743: ENDMENUITEMS
  744: 	}
  745:         my $buttons='';
  746:         foreach (split(/\n/,$menuitems)) {
  747: 	    my ($command,@rest)=split(/\&/,$_);
  748:             my $idx=10*$rest[0]+$rest[1];
  749:             if (&hidden_button_check() eq 'yes') {
  750:                 if ($idx == 21 ||$idx == 23) {
  751:                     $buttons.=&switch('','',@rest);
  752:                 } else {
  753:                     $buttons.=&clear(@rest);
  754:                 }
  755:             } else {  
  756:                 if ($command eq 's') {
  757: 	            $buttons.=&switch('','',@rest);
  758:                 } else {
  759:                     $buttons.=&clear(@rest);
  760:                 }
  761:             }
  762:         }
  763: 
  764:         if ($noremote) {
  765: 	    my $addremote=0;
  766: 	    foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
  767: 	    my $inlinebuttons='';
  768:     if ($addremote) {
  769: 
  770:         Apache::lonhtmlcommon::clear_breadcrumb_tools();
  771: 
  772:             Apache::lonhtmlcommon::add_breadcrumb_tool(
  773:                 'navigation', @inlineremote[21,23]);
  774: 
  775:         if(hidden_button_check() ne 'yes') {
  776:             Apache::lonhtmlcommon::add_breadcrumb_tool(
  777:                 'tools', @inlineremote[93,91,81,82,83]);
  778: 
  779:             #publish button in construction space
  780:             if ($env{'request.state'} eq 'construct'){
  781:                 Apache::lonhtmlcommon::add_breadcrumb_tool(
  782:                      'advtools', @inlineremote[63]);
  783:             }else{
  784:                 Apache::lonhtmlcommon::add_breadcrumb_tool(
  785:                      'tools', @inlineremote[63]);
  786:             }
  787: 
  788:             unless ($env{'request.noversionuri'}=~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
  789:                 Apache::lonhtmlcommon::add_breadcrumb_tool(
  790:                     'advtools', @inlineremote[61,71,72,73,92]);
  791:             }
  792:         }
  793: 
  794: #       # Registered, textual output
  795: #        if ( $env{'environment.icons'} eq 'iconsonly' ) {
  796: #            $inlinebuttons = (<<ENDARROWSINLINE);
  797: #<tr><td>
  798: #$inlineremote[21] $inlineremote[23]
  799: #ENDARROWSINLINE
  800: #            if ( &hidden_button_check() ne 'yes' ) {
  801: #                $inlinebuttons .= (<<ENDINLINEICONS);
  802: #$inlineremote[61] $inlineremote[63]
  803: #$inlineremote[71] $inlineremote[72] $inlineremote[73]
  804: #$inlineremote[81] $inlineremote[82] $inlineremote[83]
  805: #$inlineremote[91] $inlineremote[92] $inlineremote[93]</td></tr>
  806: #ENDINLINEICONS
  807: #            }
  808: #        } else { # not iconsonly
  809: #            if ( $inlineremote[21] ne '' || $inlineremote[23] ne '' ) {
  810: #                $inlinebuttons = (<<ENDFIRSTLINE);
  811: #<tr><td>$inlineremote[21]</td><td>&nbsp;</td><td>$inlineremote[23]</td></tr>
  812: #ENDFIRSTLINE
  813: #            }
  814: #            if ( &hidden_button_check() ne 'yes' ) {
  815: #                foreach my $row ( 6 .. 9 ) {
  816: #                    if (   $inlineremote[ ${row} . '1' ] ne ''
  817: #                        || $inlineremote[ $row . '2' ] ne ''
  818: #                        || $inlineremote[ $row . '3' ] ne '' )
  819: #                    {
  820: #                        $inlinebuttons .= <<"ENDLINE";
  821: #<tr><td>$inlineremote["${row}1"]</td><td>$inlineremote["${row}2"]</td><td>$inlineremote["${row}3"]</td></tr>
  822: #ENDLINE
  823: #                    }
  824: #                }
  825: #            }
  826: #        }
  827:     }
  828:         $breadcrumb = &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
  829: 	    $result =(<<ENDREGTEXT);
  830: <script type="text/javascript">
  831: // BEGIN LON-CAPA Internal
  832: </script>
  833: $timesync
  834: $breadcrumb
  835: <!-- $tablestart -->
  836: <!-- $inlinebuttons -->
  837: <!-- $tableend -->
  838: $newmail
  839: <!-- $separator -->
  840: <script type="text/javascript">
  841: // END LON-CAPA Internal
  842: </script>
  843: 
  844: ENDREGTEXT
  845: # Registered, graphical output
  846:         } else {
  847: 	    my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
  848: 	    $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
  849: 	    my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
  850: 	    my $navstatus=&get_nav_status();
  851: 	    my $clearcstr;
  852: 
  853: 	    if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
  854: 	    $result = (<<ENDREGTHIS);
  855:      
  856: <script type="text/javascript">
  857: // <![CDATA[
  858: // BEGIN LON-CAPA Internal
  859: var swmenu=null;
  860: 
  861:     function LONCAPAreg() {
  862: 	  swmenu=$reopen;
  863:           swmenu.clearTimeout(swmenu.menucltim);
  864:           $timesync
  865:           $newmail
  866:           $buttons
  867: 	  swmenu.currentURL="$requri";
  868:           swmenu.reloadURL=swmenu.currentURL+window.location.search;
  869:           swmenu.currentSymb="$cursymb";
  870:           swmenu.reloadSymb="$cursymb";
  871:           swmenu.currentStale=0;
  872: 	  $navstatus
  873:           $hwkadd
  874:           $editbutton
  875:     }
  876: 
  877:     function LONCAPAstale() {
  878: 	  swmenu=$reopen
  879:           swmenu.currentStale=1;
  880:           if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) { 
  881:              swmenu.switchbutton
  882:              (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
  883: 	  }
  884:           swmenu.clearbut(7,2);
  885:           swmenu.clearbut(7,3);
  886:           swmenu.menucltim=swmenu.setTimeout(
  887:  'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
  888:  'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
  889: 			  2000);
  890:       }
  891: 
  892: // END LON-CAPA Internal 
  893: // ]]>
  894: </script>
  895: ENDREGTHIS
  896:         }
  897: # =============================================================================
  898:     } else {
  899: # ========================================== This can or will not be registered
  900:         if ($noremote) {
  901: # Not registered
  902:             $result= (<<ENDDONOTREGTEXT);
  903: ENDDONOTREGTEXT
  904:         } else {
  905: # Not registered, graphical
  906:            $result = (<<ENDDONOTREGTHIS);
  907: 
  908: <script type="text/javascript">
  909: // <![CDATA[
  910: // BEGIN LON-CAPA Internal
  911: var swmenu=null;
  912: 
  913:     function LONCAPAreg() {
  914: 	  swmenu=$reopen
  915:           $timesync
  916:           swmenu.currentStale=1;
  917:           swmenu.clearbut(2,1);
  918:           swmenu.clearbut(2,3);
  919:           swmenu.clearbut(8,1);
  920:           swmenu.clearbut(8,2);
  921:           swmenu.clearbut(8,3);
  922:           if (swmenu.currentURL) {
  923:              swmenu.switchbutton
  924:               (3,1,'reload.gif','return','location','go(currentURL)');
  925:  	  } else {
  926: 	      swmenu.clearbut(3,1);
  927:           }
  928:     }
  929: 
  930:     function LONCAPAstale() {
  931:     }
  932: 
  933: // END LON-CAPA Internal
  934: // ]]>
  935: </script>
  936: ENDDONOTREGTHIS
  937:        }
  938: # =============================================================================
  939:     }
  940:     return $result;
  941: }
  942: 
  943: sub is_course_upload {
  944:     my ($file,$cnum,$cdom) = @_;
  945:     my $uploadpath = &LONCAPA::propath($cdom,$cnum);
  946:     $uploadpath =~ s{^\/}{};
  947:     if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
  948:         ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
  949:         return 1;
  950:     }
  951:     return;
  952: }
  953: 
  954: sub edit_course_upload {
  955:     my ($file,$cnum,$cdom) = @_;
  956:     my $cfile;
  957:     if ($file =~/\.(htm|html|css|js|txt)$/) {
  958:         my $ext = $1;
  959:         my $url = &Apache::lonnet::hreflocation('',$file);
  960:         my $home = &Apache::lonnet::homeserver($cnum,$cdom);
  961:         my @ids=&Apache::lonnet::current_machine_ids();
  962:         my $dest;
  963:         if ($home && grep(/^\Q$home\E$/,@ids)) {
  964:             $dest = $url.'?forceedit=1';
  965:         } else {
  966:             unless (&Apache::lonnet::get_locks()) {
  967:                 $dest = '/adm/switchserver?otherserver='.
  968:                         $home.'&role='.$env{'request.role'}.
  969:                         '&url='.$url.'&forceedit=1';
  970:             }
  971:         }
  972:         if ($dest) {
  973:             $cfile = &HTML::Entities::encode($dest,'"<>&');
  974:         }
  975:     }
  976:     return $cfile;
  977: }
  978: 
  979: sub loadevents() {
  980:     if ($env{'request.state'} eq 'construct' ||
  981: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  982:     return 'LONCAPAreg();';
  983: }
  984: 
  985: sub unloadevents() {
  986:     if ($env{'request.state'} eq 'construct' ||
  987: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  988:     return 'LONCAPAstale();';
  989: }
  990: 
  991: 
  992: sub startupremote {
  993:     my ($lowerurl)=@_;
  994:     if ($env{'environment.remote'} eq 'off') {
  995:      return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
  996:     }
  997: #
  998: # The Remote actually gets launched!
  999: #
 1000:     my $configmenu=&rawconfig();
 1001:     my $esclowerurl=&escape($lowerurl);
 1002:     my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
 1003:     return(<<ENDREMOTESTARTUP);
 1004: <script type="text/javascript">
 1005: // <![CDATA[
 1006: var timestart;
 1007: function wheelswitch() {
 1008:     if (typeof(document.wheel) != 'undefined') {
 1009: 	if (typeof(document.wheel.spin) != 'undefined') {
 1010: 	    var date=new Date();
 1011: 	    var waited=Math.round(30-((date.getTime()-timestart)/1000));
 1012: 	    document.wheel.spin.value=$message;
 1013: 	}
 1014:     }
 1015:    if (window.status=='|') { 
 1016:       window.status='/'; 
 1017:    } else {
 1018:       if (window.status=='/') {
 1019:          window.status='-';
 1020:       } else {
 1021:          if (window.status=='-') { 
 1022:             window.status='\\\\'; 
 1023:          } else {
 1024:             if (window.status=='\\\\') { window.status='|'; }
 1025:          }
 1026:       }
 1027:    } 
 1028: }
 1029: 
 1030: // ---------------------------------------------------------- The wait function
 1031: var canceltim;
 1032: function wait() {
 1033:    if ((menuloaded==1) || (tim==1)) {
 1034:       window.status='Done.';
 1035:       if (tim==0) {
 1036:          clearTimeout(canceltim);
 1037:          $configmenu
 1038:          window.location='$lowerurl';  
 1039:       } else {
 1040: 	  window.location='/adm/remote?action=collapse&url=$esclowerurl';
 1041:       }
 1042:    } else {
 1043:       wheelswitch();
 1044:       setTimeout('wait();',200);
 1045:    }
 1046: }
 1047: 
 1048: function main() {
 1049:    canceltim=setTimeout('tim=1;',30000);
 1050:    window.status='-';
 1051:    var date=new Date();
 1052:    timestart=date.getTime();
 1053:    wait();
 1054: }
 1055: 
 1056: // ]]>
 1057: </script>
 1058: ENDREMOTESTARTUP
 1059: }
 1060: 
 1061: sub setflags() {
 1062:     return(<<ENDSETFLAGS);
 1063: <script type="text/javascript">
 1064: // <![CDATA[
 1065:     menuloaded=0;
 1066:     tim=0;
 1067: // ]]>
 1068: </script>
 1069: ENDSETFLAGS
 1070: }
 1071: 
 1072: sub maincall() {
 1073:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1074:     return(<<ENDMAINCALL);
 1075: <script type="text/javascript">
 1076: // <![CDATA[
 1077:     main();
 1078: // ]]>
 1079: </script>
 1080: ENDMAINCALL
 1081: }
 1082: 
 1083: sub load_remote_msg {
 1084:     my ($lowerurl)=@_;
 1085: 
 1086:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1087: 
 1088:     my $esclowerurl=&escape($lowerurl);
 1089:     my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
 1090:                 ,'<a href="/adm/remote?action=collapse&amp;url='.$esclowerurl.'">'
 1091:                 ,'</a>');
 1092:     return(<<ENDREMOTEFORM);
 1093: <p>
 1094: <form name="wheel">
 1095: <input name="spin" type="text" size="60" />
 1096: </form>
 1097: </p>
 1098: <p>$link</p>
 1099: ENDREMOTEFORM
 1100: }
 1101: 
 1102: sub get_menu_name {
 1103:     my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
 1104:     $hostid =~ s/\W//g;
 1105:     return 'LCmenu'.$hostid;
 1106: }
 1107: 
 1108: 
 1109: sub reopenmenu {
 1110:    if ($env{'environment.remote'} eq 'off') { return ''; }
 1111:    my $menuname = &get_menu_name();
 1112:    my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
 1113:    return('window.open('.$nothing.',"'.$menuname.'","",false);');
 1114: } 
 1115: 
 1116: 
 1117: sub open {
 1118:     my $returnval='';
 1119:     if ($env{'environment.remote'} eq 'off') { 
 1120: 	return
 1121:         '<script type="text/javascript">'."\n"
 1122:        .'// <![CDATA['."\n"
 1123:        .'self.name="loncapaclient";'."\n"
 1124:        .'// ]]>'."\n"
 1125:        .'</script>';
 1126:     }
 1127:     my $menuname = &get_menu_name();
 1128:     
 1129: #    unless (shift eq 'unix') {
 1130: # resizing does not work on linux because of virtual desktop sizes
 1131: #       $returnval.=(<<ENDRESIZE);
 1132: #if (window.screen) {
 1133: #    self.resizeTo(screen.availWidth-215,screen.availHeight-55);
 1134: #    self.moveTo(190,15);
 1135: #}
 1136: #ENDRESIZE
 1137: #    }
 1138:     $returnval=(<<ENDOPEN);
 1139: // <![CDATA[
 1140: window.status='Opening LON-CAPA Remote Control';
 1141: var menu=window.open("/res/adm/pages/menu.html?inhibitmenu=yes","$menuname",
 1142: "height=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
 1143: self.name='loncapaclient';
 1144: // ]]>
 1145: ENDOPEN
 1146:     return '<script type="text/javascript">'.$returnval.'</script>';
 1147: }
 1148: 
 1149: 
 1150: # ================================================================== Raw Config
 1151: 
 1152: sub clear {
 1153:     my ($row,$col)=@_;
 1154:     unless ($env{'environment.remote'} eq 'off') {
 1155:        if (($row<1) || ($row>13)) { return ''; }
 1156:        return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
 1157:    } else { 
 1158:        $inlineremote[10*$row+$col]='';
 1159:        return ''; 
 1160:    }
 1161: }
 1162: 
 1163: # ============================================ Switch a button or create a link
 1164: # Switch acts on the javascript that is executed when a button is clicked.  
 1165: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
 1166: 
 1167: sub switch {
 1168:     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
 1169:     $act=~s/\$uname/$uname/g;
 1170:     $act=~s/\$udom/$udom/g;
 1171:     $top=&mt($top);
 1172:     $bot=&mt($bot);
 1173:     $desc=&mt($desc);
 1174:     if (($env{'environment.remote'} ne 'off') || ($env{'environment.icons'} eq 'classic')) {
 1175:        $img=&mt($img);
 1176:     }
 1177:     my $idx=10*$row+$col;
 1178:     $category_members{$cat}.=':'.$idx;
 1179: 
 1180:     unless ($env{'environment.remote'} eq 'off') {
 1181:        if (($row<1) || ($row>13)) { return ''; }
 1182: # Remote
 1183:        return "\n".
 1184:  qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
 1185:    } else {
 1186: # Inline Remote
 1187:        if ($env{'environment.icons'} ne 'classic') {
 1188:           $img=~s/\.gif$/\.png/;
 1189:        }
 1190:        if ($nobreak==2) { return ''; }
 1191:        my $text=$top.' '.$bot;
 1192:        $text=~s/\s*\-\s*//gs;
 1193: 
 1194:        my $pic=
 1195: 	   '<img alt="'.$text.'" src="'.
 1196: 	   &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
 1197: 	   '" align="'.($nobreak==3?'right':'left').'" class="LC_icon" />';
 1198:        if ($env{'browser.interface'} eq 'faketextual') {
 1199: # Main Menu
 1200: 	   if ($nobreak==3) {
 1201: 	       $inlineremote[$idx]="\n".
 1202: 		   '<td class="LC_menubuttons_text" align="right">'.$text.
 1203: 		   '</td><td align="left">'.
 1204: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
 1205: 	   } elsif ($nobreak) {
 1206: 	       $inlineremote[$idx]="\n<tr>".
 1207: 		   '<td align="left">'.
 1208: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td>
 1209:                     <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>';
 1210: 	   } else {
 1211: 	       $inlineremote[$idx]="\n<tr>".
 1212: 		   '<td align="left">'.
 1213: 		   '<a href="javascript:'.$act.';">'.$pic.
 1214: 		   '</a></td><td class="LC_menubuttons_text" colspan="3">'.
 1215: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
 1216: 	   }
 1217:        } else {
 1218: # Inline Menu
 1219:            if ($env{'environment.icons'} eq 'iconsonly') {
 1220:               $inlineremote[$idx]='<a title="'.$desc.'" href="javascript:'.$act.';">'.$pic.'</a>';
 1221:            } else {
 1222: 	      $inlineremote[$idx]=
 1223: 		   '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
 1224: 		   '<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
 1225:            }
 1226:        }
 1227:    }
 1228:     return '';
 1229: }
 1230: 
 1231: sub secondlevel {
 1232:     my $output='';
 1233:     my 
 1234:     ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
 1235:     if ($prt eq 'any') {
 1236: 	   $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1237:     } elsif ($prt=~/^r(\w+)/) {
 1238:         if ($rol eq $1) {
 1239:            $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1240:         }
 1241:     }
 1242:     return $output;
 1243: }
 1244: 
 1245: sub openmenu {
 1246:     my $menuname = &get_menu_name();
 1247:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1248:     my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
 1249:     return "window.open(".$nothing.",'".$menuname."');";
 1250: }
 1251: 
 1252: sub inlinemenu {
 1253:     undef(@inlineremote);
 1254:     undef(%category_members);
 1255: # calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control
 1256:     &rawconfig(1);
 1257:     my $output='<table><tr>';
 1258:     for (my $col=1; $col<=2; $col++) {
 1259:         $output.='<td class="LC_mainmenu_col_fieldset">';
 1260:         for (my $row=1; $row<=8; $row++) {
 1261:             foreach my $cat (keys(%category_members)) {
 1262:                if ($category_positions{$cat} ne "$col,$row") { next; }
 1263:                #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
 1264:                $output.='<div class="LC_Box LC_400Box">';
 1265: 	       $output.='<h3 class="LC_hcell">'.&mt($category_names{$cat}).'</h3>';
 1266:                $output.='<table>';
 1267:                my %active=();
 1268:                foreach my $menu_item (split(/\:/,$category_members{$cat})) {
 1269:                   if ($inlineremote[$menu_item]) {
 1270:                      $active{$menu_item}=1;
 1271:                   }
 1272:                }  
 1273:                foreach my $item (sort(keys(%active))) {
 1274:                   $output.=$inlineremote[$item];
 1275:                }
 1276:                $output.='</table>';
 1277:                $output.='</div>';
 1278:             }
 1279:          }
 1280:          $output.="</td>";
 1281:     }
 1282:     $output.="</tr></table>";
 1283:     return $output;
 1284: }
 1285: 
 1286: sub rawconfig {
 1287: #
 1288: # This evaluates mydesk.tab
 1289: # Need to add more positions and more privileges to deal with all
 1290: # menu items.
 1291: #
 1292:     my $textualoverride=shift;
 1293:     my $output='';
 1294:     unless ($env{'environment.remote'} eq 'off') {
 1295:        $output.=
 1296:  "window.status='Opening Remote Control';var swmenu=".&openmenu().
 1297: "\nwindow.status='Configuring Remote Control ';";
 1298:     } else {
 1299:        unless ($textualoverride) { return ''; }
 1300:     }
 1301:     my $uname=$env{'user.name'};
 1302:     my $udom=$env{'user.domain'};
 1303:     my $adv=$env{'user.adv'};
 1304:     my $show_course=&Apache::loncommon::show_course();
 1305:     my $author=$env{'user.author'};
 1306:     my $crs='';
 1307:     my $crstype='';
 1308:     if ($env{'request.course.id'}) {
 1309:        $crs='/'.$env{'request.course.id'};
 1310:        if ($env{'request.course.sec'}) {
 1311: 	   $crs.='_'.$env{'request.course.sec'};
 1312:        }
 1313:        $crs=~s/\_/\//g;
 1314:        $crstype = &Apache::loncommon::course_type();
 1315:     }
 1316:     my $pub=($env{'request.state'} eq 'published');
 1317:     my $con=($env{'request.state'} eq 'construct');
 1318:     my $rol=$env{'request.role'};
 1319:     my $requested_domain = $env{'request.role.domain'};
 1320:     foreach my $line (@desklines) {
 1321:         my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
 1322:         $prt=~s/\$uname/$uname/g;
 1323:         $prt=~s/\$udom/$udom/g;
 1324:         if ($prt =~ /\$crs/) {
 1325:             next unless ($env{'request.course.id'});
 1326:             next if ($crstype eq 'Community');
 1327:             $prt=~s/\$crs/$crs/g;
 1328:         } elsif ($prt =~ /\$cmty/) {
 1329:             next unless ($env{'request.course.id'});
 1330:             next if ($crstype ne 'Community');
 1331:             $prt=~s/\$cmty/$crs/g;
 1332:         }
 1333:         $prt=~s/\$requested_domain/$requested_domain/g;
 1334:         if ($category_names{$cat}!~/\w/) { $cat='oth'; }
 1335:         if ($pro eq 'clear') {
 1336: 	    $output.=&clear($row,$col);
 1337:         } elsif ($pro eq 'any') {
 1338:                $output.=&secondlevel(
 1339: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1340: 	} elsif ($pro eq 'smp') {
 1341:             unless ($adv) {
 1342:                $output.=&secondlevel(
 1343:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1344:             }
 1345:         } elsif ($pro eq 'adv') {
 1346:             if ($adv) {
 1347:                $output.=&secondlevel(
 1348: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1349:             }
 1350: 	} elsif ($pro eq 'shc') {
 1351:             if ($show_course) {
 1352:                $output.=&secondlevel(
 1353:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1354:             }
 1355:         } elsif ($pro eq 'nsc') {
 1356:             if (!$show_course) {
 1357:                $output.=&secondlevel(
 1358: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1359:             }
 1360:         } elsif (($pro=~/^p(\w+)/) && ($prt)) {
 1361:             my $priv = $1;
 1362:             if ($priv =~ /^mdc(Course|Community)/) {
 1363:                 if ($crstype eq $1) {
 1364:                     $priv = 'mdc';
 1365:                 } else {
 1366:                     next;
 1367:                 }
 1368:             }
 1369: 	    if (&Apache::lonnet::allowed($priv,$prt)) {
 1370:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1371:             }
 1372:         } elsif ($pro eq 'course')  {
 1373:             if (($env{'request.course.fn'}) && ($crstype ne 'Community')) {
 1374:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1375: 	    }
 1376:         } elsif ($pro eq 'community')  {
 1377:             if (($env{'request.course.fn'}) && ($crstype eq 'Community')) {
 1378:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1379:             }
 1380:         } elsif ($pro =~ /^courseenv_(.*)$/) {
 1381:             my $key = $1;
 1382:             if ($crstype ne 'Community') {
 1383:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
 1384:                 if ($key eq 'canuse_pdfforms') {
 1385:                     if ($env{'request.course.id'} && $coursepref eq '') {
 1386:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
 1387:                         $coursepref = $domdefs{'canuse_pdfforms'};
 1388:                     }
 1389:                 }
 1390:                 if ($coursepref) { 
 1391:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1392:                 }
 1393:             }
 1394:         } elsif ($pro =~ /^communityenv_(.*)$/) {
 1395:             my $key = $1;
 1396:             if ($crstype eq 'Community') {
 1397:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
 1398:                 if ($key eq 'canuse_pdfforms') {
 1399:                     if ($env{'request.course.id'} && $coursepref eq '') {
 1400:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
 1401:                         $coursepref = $domdefs{'canuse_pdfforms'};
 1402:                     }
 1403:                 }
 1404:                 if ($coursepref) { 
 1405:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1406:                 }
 1407:             }
 1408:         } elsif ($pro =~ /^course_(.*)$/) {
 1409:             # Check for permissions inside of a course
 1410:             if (($env{'request.course.id'}) && ($crstype ne 'Community') && 
 1411:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1412:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1413:                  )) {
 1414:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1415: 	    }
 1416:         } elsif ($pro =~ /^community_(.*)$/) {
 1417:             # Check for permissions inside of a community
 1418:             if (($env{'request.course.id'}) && ($crstype eq 'Community') &&   
 1419:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1420:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1421:                  )) {
 1422:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1423:             }
 1424:         } elsif ($pro eq 'author') {
 1425:             if ($author) {
 1426:                 if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
 1427:                     (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) || 
 1428:                     (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
 1429:                     # Check that we are on the correct machine
 1430:                     my $cadom=$requested_domain;
 1431:                     my $caname=$env{'user.name'};
 1432:                     if (($prt eq 'rca') || ($prt eq 'raa')) {
 1433: 		       ($cadom,$caname)=
 1434:                                ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
 1435:                     }                       
 1436:                     $act =~ s/\$caname/$caname/g;
 1437:                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
 1438: 		    my $allowed=0;
 1439: 		    my @ids=&Apache::lonnet::current_machine_ids();
 1440: 		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
 1441: 		    if ($allowed) {
 1442:                         $output.=&switch($caname,$cadom,
 1443:                                         $row,$col,$img,$top,$bot,$act,$desc,$cat);
 1444:                     }
 1445:                 }
 1446:             }
 1447:         } elsif ($pro eq 'tools') {
 1448:             my @tools = ('aboutme','blog','portfolio');
 1449:             if (grep(/^\Q$prt\E$/,@tools)) {
 1450:                 if (!&Apache::lonnet::usertools_access($env{'user.name'},
 1451:                                                        $env{'user.domain'},
 1452:                                                        $prt,undef,'tools')) {
 1453:                     $output.=&clear($row,$col);
 1454:                     next;
 1455:                 }
 1456:             } elsif (($prt eq 'reqcrsnsc') || ($prt eq 'reqcrsshc')) {
 1457:                 if (($prt eq 'reqcrsnsc') && ($show_course))   {
 1458:                     next;
 1459:                 }
 1460:                 if (($prt eq 'reqcrsshc') && (!$show_course)) {
 1461:                     next;
 1462:                 }
 1463:                 my $showreqcrs = &check_for_rcrs();
 1464:                 if (!$showreqcrs) {
 1465:                     $output.=&clear($row,$col);
 1466:                     next;
 1467:                 }
 1468:             }
 1469:             $prt='any';
 1470:             $output.=&secondlevel(
 1471:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1472:         }
 1473:     }
 1474:     unless ($env{'environment.remote'} eq 'off') {
 1475:        $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
 1476:        if (&Apache::lonmsg::newmail()) { 
 1477: 	   $output.='swmenu.setstatus("you have","messages");';
 1478:        }
 1479:     }
 1480: 
 1481:     return $output;
 1482: }
 1483: 
 1484: sub check_for_rcrs {
 1485:     my $showreqcrs = 0;
 1486:     my @reqtypes = ('official','unofficial','community');
 1487:     foreach my $type (@reqtypes) {
 1488:         if (&Apache::lonnet::usertools_access($env{'user.name'},
 1489:                                               $env{'user.domain'},
 1490:                                               $type,undef,'requestcourses')) {
 1491:             $showreqcrs = 1;
 1492:             last;
 1493:         }
 1494:     }
 1495:     if (!$showreqcrs) {
 1496:         foreach my $type (@reqtypes) {
 1497:             if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
 1498:                 $showreqcrs = 1;
 1499:                 last;
 1500:             }
 1501:         }
 1502:     }
 1503:     return $showreqcrs;
 1504: }
 1505: 
 1506: # ======================================================================= Close
 1507: 
 1508: sub close {
 1509:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1510:     my $menuname = &get_menu_name();
 1511:     return(<<ENDCLOSE);
 1512: <script type="text/javascript">
 1513: // <![CDATA[
 1514: window.status='Accessing Remote Control';
 1515: menu=window.open("/adm/rat/empty.html","$menuname",
 1516:                  "height=350,width=150,scrollbars=no,menubar=no");
 1517: window.status='Disabling Remote Control';
 1518: menu.active=0;
 1519: menu.autologout=0;
 1520: window.status='Closing Remote Control';
 1521: menu.close();
 1522: window.status='Done.';
 1523: // ]]>
 1524: </script>
 1525: ENDCLOSE
 1526: }
 1527: 
 1528: # ====================================================================== Footer
 1529: 
 1530: sub footer {
 1531: 
 1532: }
 1533: 
 1534: sub nav_control_js {
 1535:     my $nav=($env{'environment.remotenavmap'} eq 'on');
 1536:     return (<<NAVCONTROL);
 1537:     var w_loncapanav_flag="$nav";
 1538: 
 1539: 
 1540: function gonav(url) {
 1541:    if (w_loncapanav_flag != 1) {
 1542:       gopost(url,'');
 1543:    }  else {
 1544:       navwindow=window.open(url,
 1545:                   "loncapanav","height=600,width=400,scrollbars=1"); 
 1546:    }
 1547: }
 1548: NAVCONTROL
 1549: }
 1550: 
 1551: sub dc_popup_js {
 1552:     my %lt = &Apache::lonlocal::texthash(
 1553:                                           more => '(More ...)',
 1554:                                           less => '(Less ...)',
 1555:                                         );
 1556:     return <<"END";
 1557: 
 1558: function showCourseID() {
 1559:     document.getElementById('dccid').style.display='block';
 1560:     document.getElementById('dccid').style.textAlign='left';
 1561:     document.getElementById('dccid').style.textFace='normal';
 1562:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:hideCourseID();">$lt{'less'}</a>';
 1563:     return;
 1564: }
 1565: 
 1566: function hideCourseID() {
 1567:     document.getElementById('dccid').style.display='none';
 1568:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:showCourseID()">$lt{'more'}</a>';
 1569:     return;
 1570: }
 1571: 
 1572: END
 1573: 
 1574: }
 1575: 
 1576: sub utilityfunctions {
 1577:     my $caller = shift;
 1578:     unless ($env{'environment.remote'} eq 'off' || 
 1579:             $caller eq '/adm/menu') { 
 1580:             return ''; }
 1581:             
 1582:     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
 1583:     if ($currenturl =~ m{^/adm/wrapper/ext/}) {
 1584:         if ($env{'request.external.querystring'}) {
 1585:             $currenturl .= ($currenturl=~/\?/)?'&':'?'.$env{'request.external.querystring'};
 1586:         }
 1587:     }
 1588:     $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
 1589:     
 1590:     my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
 1591:     my $nav_control=&nav_control_js();
 1592: 
 1593:     my $dc_popup_cid;
 1594:     if ($env{'user.adv'} && exists($env{'user.role.dc./'.
 1595:                         $env{'course.'.$env{'request.course.id'}.
 1596:                                  '.domain'}.'/'})) {
 1597:         $dc_popup_cid = &dc_popup_js();
 1598:     }
 1599: 
 1600:     my $start_page_annotate = 
 1601:         &Apache::loncommon::start_page('Annotator',undef,
 1602: 				       {'only_body' => 1,
 1603: 					'js_ready'  => 1,
 1604: 					'bgcolor'   => '#BBBBBB',
 1605: 					'add_entries' => {
 1606: 					    'onload' => 'javascript:document.goannotate.submit();'}});
 1607: 
 1608:     my $end_page_annotate = 
 1609:         &Apache::loncommon::end_page({'js_ready' => 1});
 1610: 
 1611:     my $start_page_bookmark = 
 1612:         &Apache::loncommon::start_page('Bookmarks',undef,
 1613: 				       {'only_body' => 1,
 1614: 					'js_ready'  => 1,
 1615: 					'bgcolor'   => '#BBBBBB',});
 1616: 
 1617:     my $end_page_bookmark = 
 1618:         &Apache::loncommon::end_page({'js_ready' => 1});
 1619: 
 1620: return (<<ENDUTILITY)
 1621: 
 1622:     var currentURL="$currenturl";
 1623:     var reloadURL="$currenturl";
 1624:     var currentSymb="$currentsymb";
 1625: 
 1626: $nav_control
 1627: $dc_popup_cid
 1628: 
 1629: function go(url) {
 1630:    if (url!='' && url!= null) {
 1631:        currentURL = null;
 1632:        currentSymb= null;
 1633:        window.location.href=url;
 1634:    }
 1635: }
 1636: 
 1637: function gotop(url) {
 1638:     if (url!='' && url!= null) {
 1639:         top.location.href = url;
 1640:     }
 1641: }
 1642: 
 1643: function gopost(url,postdata) {
 1644:    if (url!='') {
 1645:       this.document.server.action=url;
 1646:       this.document.server.postdata.value=postdata;
 1647:       this.document.server.command.value='';
 1648:       this.document.server.url.value='';
 1649:       this.document.server.symb.value='';
 1650:       this.document.server.submit();
 1651:    }
 1652: }
 1653: 
 1654: function gocmd(url,cmd) {
 1655:    if (url!='') {
 1656:       this.document.server.action=url;
 1657:       this.document.server.postdata.value='';
 1658:       this.document.server.command.value=cmd;
 1659:       this.document.server.url.value=currentURL;
 1660:       this.document.server.symb.value=currentSymb;
 1661:       this.document.server.submit();
 1662:    }
 1663: }
 1664: 
 1665: function gocstr(url,filename) {
 1666:     if (url == '/adm/cfile?action=delete') {
 1667:         this.document.cstrdelete.filename.value = filename
 1668:         this.document.cstrdelete.submit();
 1669:         return;
 1670:     }
 1671:     if (url == '/adm/printout') {
 1672:         this.document.cstrprint.postdata.value = filename
 1673:         this.document.cstrprint.curseed.value = 0;
 1674:         this.document.cstrprint.problemtype.value = 0;
 1675:         if (this.document.lonhomework) {
 1676:             if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
 1677:                 this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
 1678:             }
 1679:             if (this.document.lonhomework.problemtype) {
 1680: 		if (this.document.lonhomework.problemtype.value) {
 1681: 		    this.document.cstrprint.problemtype.value = 
 1682: 			this.document.lonhomework.problemtype.value;
 1683: 		} else if (this.document.lonhomework.problemtype.options) {
 1684: 		    for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
 1685: 			if (this.document.lonhomework.problemtype.options[i].selected) {
 1686: 			    if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
 1687: 				this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
 1688: 				}
 1689: 			}
 1690: 		    }
 1691: 		}
 1692: 	    }
 1693: 	}
 1694:         this.document.cstrprint.submit();
 1695:         return;
 1696:     }
 1697:     if (url !='') {
 1698:         this.document.constspace.filename.value = filename;
 1699:         this.document.constspace.action = url;
 1700:         this.document.constspace.submit();
 1701:     }
 1702: }
 1703: 
 1704: function golist(url) {
 1705:    if (url!='' && url!= null) {
 1706:        currentURL = null;
 1707:        currentSymb= null;
 1708:        top.location.href=url;
 1709:    }
 1710: }
 1711: 
 1712: 
 1713: 
 1714: function catalog_info() {
 1715:    loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1716: }
 1717: 
 1718: function chat_win() {
 1719:    lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=480,resizable=yes,location=no,menubar=no,toolbar=no');
 1720: }
 1721: 
 1722: function group_chat(group) {
 1723:    var url = '/adm/groupchat?group='+group;
 1724:    var winName = 'LONchat_'+group;
 1725:    grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1726: }
 1727: 
 1728: function edit_bookmarks() {
 1729:    go('');
 1730:    w_BookmarkPal_flag=1;
 1731:    bookmarkpal=window.open("/adm/bookmarks",
 1732:                "BookmarkPal", "width=500,height=505,scrollbars=0");
 1733: }
 1734: 
 1735: function annotate() {
 1736:    w_Annotator_flag=1;
 1737:    annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
 1738:    annotator.document.write(
 1739:    '$start_page_annotate'
 1740:   +"<form name='goannotate' target='Annotator' method='post' "
 1741:   +"action='/adm/annotations'>"
 1742:   +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
 1743:   +"<\\/form>"
 1744:   +'$end_page_annotate');
 1745:    annotator.document.close();
 1746: }
 1747: 
 1748: function set_bookmark() {
 1749:    go('');
 1750:    clienttitle=document.title;
 1751:    clienthref=location.pathname;
 1752:    w_bmquery_flag=1;
 1753:    bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
 1754:    bmquery.document.write(
 1755:    '$start_page_bookmark'
 1756:    +'<center><form method="post"'
 1757:    +' name="newlink" action="/adm/bookmarks" target="bmquery" '
 1758:    +'> <table width="340" height="150" '
 1759:    +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
 1760:    +'type="text" name="title" size="45" value="'+clienttitle+'" />'
 1761:    +'<br />Address:<br /><input type="text" name="address" size="45" '
 1762:    +'value="'+clienthref+'" /><br /><center><input type="submit" '
 1763:    +'value="Save" /> <input type="button" value="Close" '
 1764:    +'onclick="javascript:window.close();" /></center></td>'
 1765:    +'</tr></table></form></center>'
 1766:    +'$end_page_bookmark' );
 1767:    bmquery.document.close();
 1768: }
 1769: 
 1770: ENDUTILITY
 1771: }
 1772: 
 1773: sub serverform {
 1774:     return(<<ENDSERVERFORM);
 1775: <form name="server" action="/adm/logout" method="post" target="_top">
 1776: <input type="hidden" name="postdata" value="none" />
 1777: <input type="hidden" name="command" value="none" />
 1778: <input type="hidden" name="url" value="none" />
 1779: <input type="hidden" name="symb" value="none" />
 1780: </form>
 1781: ENDSERVERFORM
 1782: }
 1783: 
 1784: sub constspaceform {
 1785:     return(<<ENDCONSTSPACEFORM);
 1786: <form name="constspace" action="/adm/logout" method="post" target="_top">
 1787: <input type="hidden" name="filename" value="" />
 1788: </form>
 1789: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
 1790: <input type="hidden" name="action" value="delete" /> 
 1791: <input type="hidden" name="filename" value="" />
 1792: </form>
 1793: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
 1794: <input type="hidden" name="postdata" value="" />
 1795: <input type="hidden" name="curseed" value="" />
 1796: <input type="hidden" name="problemtype" value="" />
 1797: </form>
 1798: 
 1799: ENDCONSTSPACEFORM
 1800: }
 1801: 
 1802: 
 1803: sub get_nav_status {
 1804:     my $navstatus="swmenu.w_loncapanav_flag=";
 1805:     if ($env{'environment.remotenavmap'} eq 'on') {
 1806: 	$navstatus.="1";
 1807:     } else {
 1808: 	$navstatus.="-1";
 1809:     }
 1810:     return $navstatus;
 1811: }
 1812: 
 1813: sub hidden_button_check {
 1814:     my $hidden;
 1815:     if ($env{'request.course.id'} eq '') {
 1816:         return;
 1817:     }
 1818:     if ($env{'request.role.adv'}) {
 1819:         return;
 1820:     }
 1821:     my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
 1822:     return $buttonshide; 
 1823: }
 1824: 
 1825: sub roles_selector {
 1826:     my ($cdom,$cnum) = @_;
 1827:     my $crstype = &Apache::loncommon::course_type();
 1828:     my $now = time;
 1829:     my (%courseroles,%seccount);
 1830:     my $is_cc;
 1831:     my $role_selector;
 1832:     my $ccrole;
 1833:     if ($crstype eq 'Community') {
 1834:         $ccrole = 'co';
 1835:     } else {
 1836:         $ccrole = 'cc';
 1837:     } 
 1838:     if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) {
 1839:         my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum});
 1840:         
 1841:         if ((($start) && ($start<0)) || 
 1842:             (($end) && ($end<$now))  ||
 1843:             (($start) && ($now<$start))) {
 1844:             $is_cc = 0;
 1845:         } else {
 1846:             $is_cc = 1;
 1847:         }
 1848:     }
 1849:     if ($is_cc) {
 1850:         &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
 1851:     } else {
 1852:         my %gotnosection;
 1853:         foreach my $item (keys(%env)) {
 1854:             if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
 1855:                 my $role = $1;
 1856:                 my $sec = $2;
 1857:                 next if ($role eq 'gr');
 1858:                 my ($start,$end) = split(/\./,$env{$item});
 1859:                 next if (($start && $start > $now) || ($end && $end < $now));
 1860:                 if ($sec eq '') {
 1861:                     if (!$gotnosection{$role}) {
 1862:                         $seccount{$role} ++;
 1863:                         $gotnosection{$role} = 1;
 1864:                     }
 1865:                 }
 1866:                 if (ref($courseroles{$role}) eq 'ARRAY') {
 1867:                     if ($sec ne '') {
 1868:                         if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
 1869:                             push(@{$courseroles{$role}},$sec);
 1870:                             $seccount{$role} ++;
 1871:                         }
 1872:                     }
 1873:                 } else {
 1874:                     @{$courseroles{$role}} = ();
 1875:                     if ($sec ne '') {
 1876:                         $seccount{$role} ++;
 1877:                         push(@{$courseroles{$role}},$sec);
 1878:                     }
 1879:                 }
 1880:             }
 1881:         }
 1882:     }
 1883:     my $switchtext;
 1884:     if ($crstype eq 'Community') {
 1885:         $switchtext = &mt('Switch community role to...')
 1886:     } else {
 1887:         $switchtext = &mt('Switch course role to...')
 1888:     }
 1889:     my @roles_order = ($ccrole,'in','ta','ep','ad','st');
 1890:     if (keys(%courseroles) > 1) {
 1891:         $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles);
 1892:         $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
 1893:                           <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
 1894:         $role_selector .= '<option value="">'.$switchtext.'</option>';
 1895:         foreach my $role (@roles_order) {
 1896:             if (defined($courseroles{$role})) {
 1897:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role,$crstype).'</option>'; 
 1898:             }
 1899:         }
 1900:         foreach my $role (sort(keys(%courseroles))) {
 1901:             if ($role =~ /^cr/) {
 1902:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
 1903:             }
 1904:         }
 1905:         $role_selector .= '</select>'."\n".
 1906:                '<input type="hidden" name="destinationurl" value="'.
 1907:                &HTML::Entities::encode($ENV{'REQUEST_URI'}).'" />'."\n".
 1908:                '<input type="hidden" name="gotorole" value="1" />'."\n".
 1909:                '<input type="hidden" name="selectrole" value="" />'."\n".
 1910:                '<input type="hidden" name="switch" value="1" />'."\n".
 1911:                '</form>';
 1912:     }
 1913:     return $role_selector;
 1914: }
 1915: 
 1916: sub get_all_courseroles {
 1917:     my ($cdom,$cnum,$courseroles,$seccount) = @_;
 1918:     unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
 1919:         return;
 1920:     }
 1921:     my ($result,$cached) = 
 1922:         &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
 1923:     if (defined($cached)) {
 1924:         if (ref($result) eq 'HASH') {
 1925:             if ((ref($result->{'roles'}) eq 'HASH') && 
 1926:                 (ref($result->{'seccount'}) eq 'HASH')) {
 1927:                 %{$courseroles} = %{$result->{'roles'}};
 1928:                 %{$seccount} = %{$result->{'seccount'}};
 1929:                 return;
 1930:             }
 1931:         }
 1932:     }
 1933:     my %gotnosection;
 1934:     my %adv_roles =
 1935:          &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 1936:     foreach my $role (keys(%adv_roles)) {
 1937:         my ($urole,$usec) = split(/:/,$role);
 1938:         if (!$gotnosection{$urole}) {
 1939:             $seccount->{$urole} ++;
 1940:             $gotnosection{$urole} = 1;
 1941:         }
 1942:         if (ref($courseroles->{$urole}) eq 'ARRAY') {
 1943:             if ($usec ne '') {
 1944:                 if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
 1945:                     push(@{$courseroles->{$urole}},$usec);
 1946:                     $seccount->{$urole} ++;
 1947:                 }
 1948:             }
 1949:         } else {
 1950:             @{$courseroles->{$urole}} = ();
 1951:             if ($usec ne '') {
 1952:                 $seccount->{$urole} ++;
 1953:                 push(@{$courseroles->{$urole}},$usec);
 1954:             }
 1955:         }
 1956:     }
 1957:     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
 1958:     @{$courseroles->{'st'}} = ();
 1959:     if (keys(%sections_count) > 0) {
 1960:         push(@{$courseroles->{'st'}},keys(%sections_count));
 1961:         $seccount->{'st'} = scalar(keys(%sections_count)); 
 1962:     }
 1963:     my $rolehash = {
 1964:                      'roles'    => $courseroles,
 1965:                      'seccount' => $seccount,
 1966:                    };
 1967:     &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
 1968:     return;
 1969: }
 1970: 
 1971: sub jump_to_role {
 1972:     my ($cdom,$cnum,$seccount,$courseroles) = @_;
 1973:     my %lt = &Apache::lonlocal::texthash(
 1974:                 this => 'This role has section(s) associated with it.',
 1975:                 ente => 'Enter a specific section.',
 1976:                 orlb => 'Enter a specific section, or leave blank for no section.',
 1977:                 avai => 'Available sections are:',
 1978:                 youe => 'You entered an invalid section choice:',
 1979:                 plst => 'Please try again',
 1980:     );
 1981:     my $js;
 1982:     if (ref($courseroles) eq 'HASH') {
 1983:         $js = '    var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n". 
 1984:               '    var numsec = new Array();'."\n".
 1985:               '    var rolesections = new Array();'."\n".
 1986:               '    var rolenames = new Array();'."\n".
 1987:               '    var roleseclist = new Array();'."\n";
 1988:         my @items = keys(%{$courseroles});
 1989:         for (my $i=0; $i<@items; $i++) {
 1990:             $js .= '    rolenames['.$i.'] = "'.$items[$i].'";'."\n";
 1991:             my ($secs,$secstr);
 1992:             if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
 1993:                 my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
 1994:                 $secs = join('","',@sections);
 1995:                 $secstr = join(', ',@sections);
 1996:             }
 1997:             $js .= '    rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
 1998:                    '    roleseclist['.$i.'] = "'.$secstr.'";'."\n".
 1999:                    '    numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
 2000:         }
 2001:     }
 2002:     return <<"END";
 2003: <script type="text/javascript">
 2004: //<![CDATA[
 2005: function adhocRole(roleitem) {
 2006:     $js
 2007:     var newrole =  document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
 2008:     if (newrole == '') {
 2009:         return; 
 2010:     } 
 2011:     var fullrole = newrole+'./$cdom/$cnum';
 2012:     var selidx = '';
 2013:     for (var i=0; i<rolenames.length; i++) {
 2014:         if (rolenames[i] == newrole) {
 2015:             selidx = i;
 2016:         }
 2017:     }
 2018:     var secok = 1;
 2019:     var secchoice = '';
 2020:     if (selidx >= 0) {
 2021:         if (numsec[selidx] > 1) {
 2022:             secok = 0;
 2023:             var numrolesec = rolesections[selidx].length;
 2024:             var msgidx = numsec[selidx] - numrolesec;
 2025:             secchoice = prompt("$lt{'this'}\\n"+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
 2026:             if (secchoice == '') {
 2027:                 if (msgidx > 0) {
 2028:                     secok = 1;
 2029:                 }
 2030:             } else {
 2031:                 for (var j=0; j<rolesections[selidx].length; j++) {
 2032:                     if (rolesections[selidx][j] == secchoice) {
 2033:                         secok = 1;
 2034:                     }
 2035:                 }
 2036:             }
 2037:         } else {
 2038:             if (rolesections[selidx].length == 1) {
 2039:                 secchoice = rolesections[selidx][0];
 2040:             }
 2041:         }
 2042:     }
 2043:     if (secok == 1) {
 2044:         if (secchoice != '') {
 2045:             fullrole += '/'+secchoice;
 2046:         }
 2047:     } else {
 2048:         document.rolechooser.elements[roleitem].selectedIndex = 0;
 2049:         if (secchoice != null) {
 2050:             alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
 2051:         }
 2052:         return;
 2053:     }
 2054:     if (fullrole == "$env{'request.role'}") {
 2055:         return;
 2056:     }
 2057:     itemid = retrieveIndex('gotorole');
 2058:     if (itemid != -1) {
 2059:         document.rolechooser.elements[itemid].name = fullrole;
 2060:     }
 2061:     document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
 2062:     document.rolechooser.selectrole.value = '1';
 2063:     document.rolechooser.submit();
 2064:     return;
 2065: }
 2066: 
 2067: function retrieveIndex(item) {
 2068:     for (var i=0;i<document.rolechooser.elements.length;i++) {
 2069:         if (document.rolechooser.elements[i].name == item) {
 2070:             return i;
 2071:         }
 2072:     }
 2073:     return -1;
 2074: }
 2075: // ]]>
 2076: </script>
 2077: END
 2078: }
 2079: 
 2080: 
 2081: # ================================================================ Main Program
 2082: 
 2083: BEGIN {
 2084:     if (! defined($readdesk)) {
 2085:         {
 2086:             my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
 2087:             if ( CORE::open( my $config,"<$tabfile") ) {
 2088:                 while (my $configline=<$config>) {
 2089:                     $configline=(split(/\#/,$configline))[0];
 2090:                     $configline=~s/^\s+//;
 2091:                     chomp($configline);
 2092:                     if ($configline=~/^cat\:/) {
 2093:                         my @entries=split(/\:/,$configline);
 2094:                         $category_positions{$entries[2]}=$entries[1];
 2095:                         $category_names{$entries[2]}=$entries[3];
 2096:                     } elsif ($configline=~/^prim\:/) {
 2097:                         my @entries = (split(/\:/, $configline))[1..5];
 2098:                         push @primary_menu, \@entries;
 2099:                     } elsif ($configline=~/^scnd\:/) {
 2100:                         my @entries = (split(/\:/, $configline))[1..5];
 2101:                         push @secondary_menu, \@entries; 
 2102:                     } elsif ($configline) {
 2103:                         push(@desklines,$configline);
 2104:                     }
 2105:                 }
 2106:                 CORE::close($config);
 2107:             }
 2108:         }
 2109:         $readdesk='done';
 2110:     }
 2111: }
 2112: 
 2113: 1;
 2114: __END__
 2115: 

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