File:  [LON-CAPA] / loncom / interface / lonmenu.pm
Revision 1.270: download - view: text, annotated - select for diffs
Mon Jun 8 18:04:45 2009 UTC (14 years, 11 months ago) by bisitz
Branches: MAIN
CVS tags: bz5969, HEAD, BZ5971-printing-apage
Just "LC_Box" instead of "LC_ContentBoxSpecial"
- Much shorter
- Always contains some kind of content
- Nothing special (LC_ContentBox doesn't exist besides id for Javascript in londocs.pm)

    1: # The LearningOnline Network with CAPA
    2: # Routines to control the menu
    3: #
    4: # $Id: lonmenu.pm,v 1.270 2009/06/08 18:04:45 bisitz Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: #
   29: # There is one parameter controlling the action of this module:
   30: #
   31: # environment.remote - if this is 'on', the routines controll the remote
   32: # control, otherwise they render the main window controls; 
   33: 
   34: =head1 NAME
   35: 
   36: Apache::lonmenu
   37: 
   38: =head1 SYNOPSIS
   39: 
   40: Coordinates the response to clicking an image.
   41: 
   42: This is part of the LearningOnline Network with CAPA project
   43: described at http://www.lon-capa.org.
   44: 
   45: =head1 SUBROUTINES
   46: 
   47: =over
   48: 
   49: Little texts
   50: 
   51: =item initlittle()
   52: 
   53: =item menubuttons()
   54: 
   55: This gets called at the top of the body section
   56: 
   57: =item show_return_link()
   58: 
   59: =item registerurl()
   60: 
   61: This gets called in the header section
   62: 
   63: =item innerregister()
   64: 
   65: This gets called in order to register a URL, both with the Remote
   66: and in the body of the document
   67: 
   68: =item loadevents()
   69: 
   70: =item unloadevents()
   71: 
   72: =item startupremote()
   73: 
   74: =item setflags()
   75: 
   76: =item maincall()
   77: 
   78: =item load_remote_msg()
   79: 
   80: =item get_menu_name()
   81: 
   82: =item reopenmenu()
   83: 
   84: =item open()
   85: 
   86: Open the menu
   87: 
   88: =item clear()
   89: 
   90: =item switch()
   91: 
   92: Switch a button or create a link
   93: Switch acts on the javascript that is executed when a button is clicked.  
   94: The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
   95: 
   96: =item secondlevel()
   97: 
   98: =item openmenu()
   99: 
  100: =item inlinemenu()
  101: 
  102: =item rawconfig()
  103: 
  104: =item close()
  105: 
  106: =item footer()
  107: 
  108: =item utilityfunctions()
  109: 
  110: =item serverform()
  111: 
  112: =item constspaceform()
  113: 
  114: =item get_nav_status()
  115: 
  116: =item convert_menu_function()
  117: 
  118: FIXME this needs to move into mydesktab and the other locations 
  119: the text is generated
  120: 
  121: =item hidden_button_check()
  122: 
  123: =item roles_selector()
  124: 
  125: =item jump_to_role()
  126: 
  127: =back
  128: 
  129: =cut
  130: 
  131: package Apache::lonmenu;
  132: 
  133: use strict;
  134: use Apache::lonnet;
  135: use Apache::lonhtmlcommon();
  136: use Apache::loncommon();
  137: use Apache::lonenc();
  138: use Apache::lonlocal;
  139: use LONCAPA qw(:DEFAULT :match);
  140: 
  141: use vars qw(@desklines %category_names %category_members %category_positions $readdesk);
  142: 
  143: 
  144: my @inlineremote;
  145: 
  146: sub initlittle {
  147:     return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
  148: 				       'nav' => 'Navigate Contents',
  149: 				       'main' => 'Main Menu',
  150:                                        'roles' => (&Apache::loncommon::show_course()?
  151:                                                     'Courses':'Roles'),
  152:                                        'other' => 'Other Roles',
  153:                                        'docs' => 'Edit Course',
  154:                                        'exit' => 'Logout',
  155:                                        'login' => 'Log In',
  156: 				       'launch' => 'Launch Remote Control',
  157:                                        'groups' => 'Groups',
  158:                                        'gdoc' => 'Group Documents',
  159:                                        );
  160: }
  161: 
  162: sub menubuttons {
  163:     my $forcereg=shift;
  164:     my $registration=shift;
  165:     my $titletable=shift;
  166:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  167: 					    ['inhibitmenu']);
  168:     if (($env{'form.inhibitmenu'} eq 'yes') ||
  169:         ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
  170: 
  171:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  172: 
  173:     my %lt=&initlittle();
  174:     my $navmaps='';
  175:     my $reloadlink='';
  176:     my $docs='';
  177:     my $groups='';
  178:     my $roles='<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
  179:     my $role_selector;
  180:     my $showgroups=0;
  181:     my ($cnum,$cdom);
  182:     my $escurl=&escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
  183:     my $escsymb=&escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
  184: 
  185:     my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
  186:     $logo = '<a href="/adm/about.html"><img src="'.
  187: 	$logo.'" alt="LON-CAPA Logo" class="LC_noBorder" /></a>';
  188: 
  189:     if ($env{'request.state'} eq 'construct') {
  190:         if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
  191:             my $returnurl = $env{'request.filename'};
  192:             $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
  193:             $escurl = &escape($returnurl);
  194:         }
  195:     }
  196:     if ($env{'request.course.id'}) {
  197:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  198:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  199:         my %coursegroups;
  200:         my $viewgrps_permission =
  201: 	    &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
  202:         if (!$viewgrps_permission) {
  203:             %coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$cdom,$cnum);
  204: 	}
  205:         if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
  206:             $showgroups = 1;
  207:         }
  208:         $role_selector = &roles_selector($cdom,$cnum);
  209:         if ($role_selector) {
  210:             $roles = '<span class="LC_nobreak">'.$role_selector.'&nbsp;&nbsp;<a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></span>';
  211:         }
  212:     }
  213: 
  214:     if ($env{'environment.remote'} eq 'off') {
  215: # Remote Control is switched off
  216: # figure out colors
  217:         my %lt=&initlittle();
  218: 
  219:         my $domain=&Apache::loncommon::determinedomain();
  220:         my $function =&Apache::loncommon::get_users_function();
  221:         my $link=&Apache::loncommon::designparm($function.'.link',$domain);
  222:         my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
  223:         my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
  224:         my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
  225: 
  226:         if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
  227:             return (<<ENDINLINEMENU);
  228:    <table id="LC_top_nav">
  229:     <tr>
  230:       <td>$logo</td>
  231:       <td></td>
  232:       <td class="LC_top_nav_login">
  233:         <a href="/adm/roles" target="_top">$lt{'login'}</a>
  234:      </td>
  235:     </tr>
  236:   </table>
  237: ENDINLINEMENU
  238:         }
  239:         $roles = '<a href="/adm/roles" target="_top">'.$lt{'roles'}.'</a>';
  240: # Do we have a NAV link?
  241:         if ($env{'request.course.id'}) {
  242: 	    my $link='/adm/navmaps?postdata='.$escurl.'&amp;postsymb='.
  243: 		$escsymb;
  244: 	    if ($env{'environment.remotenavmap'} eq 'on') {
  245: 		$link="javascript:gonav('".$link."')";
  246: 	    }
  247: 	    $navmaps=(<<ENDNAV);
  248: <li><a href="$link" target="_top">$lt{'nav'}</a></li>
  249: ENDNAV
  250:             my $is_group = (&Apache::loncommon::course_type() eq 'Group');
  251: 	    if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  252:                 my $text = ($is_group) ? $lt{'gdoc'} : $lt{'docs'};
  253: 		$docs=(<<ENDDOCS);
  254: <li><a href="/adm/coursedocs" target="_top">$text</a></li>
  255: ENDDOCS
  256:             }
  257:             if ($showgroups) {
  258:                 $groups =(<<ENDGROUPS);
  259: <li><a href="/adm/coursegroups" target="_top">$lt{'groups'}</a></li>
  260: ENDGROUPS
  261:             }
  262: 	    if (&show_return_link()) {
  263:                 my $escreload=&escape('return:');
  264:                 $reloadlink=(<<ENDRELOAD);
  265: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
  266: ENDRELOAD
  267:             }
  268:             if ($role_selector) {
  269:             	#$roles = '<td>'.$role_selector.'</td><td><a href="/adm/roles" target="_top">'.$lt{'other'}.'</a></td>';
  270: 				$role_selector = '<li>'.$role_selector.'</li>';
  271:             }
  272:         }
  273: 	if (($env{'request.state'} eq 'construct') && ($env{'request.course.id'})) {
  274: 	    my $escreload=&escape('return:');
  275: 	    $reloadlink=(<<ENDCRELOAD);
  276: <li><a href="/adm/flip?postdata=$escreload" target="_top">$lt{'ret'}</a></li>
  277: ENDCRELOAD
  278:         }
  279:         my $reg='';
  280:         if ($registration) {
  281:            $reg=&innerregister($forcereg,$titletable);
  282:         }
  283:         my $form=&serverform();
  284: 	my $utility=&utilityfunctions();
  285: 
  286: 	my $messagelink = "";
  287: 	if(&Apache::lonmsg::mynewmail()){
  288: 		$messagelink = '<a href="javascript:go(\'/adm/communicate\');">Message(new)</a>'
  289: 	}else{
  290: 		$messagelink = '<a href="javascript:go(\'/adm/communicate\');">Message</a>'
  291: 	}
  292:         my $helplink=&Apache::loncommon::top_nav_help('Help');
  293: 	return (<<ENDINLINEMENU);
  294: <script type="text/javascript">
  295: // BEGIN LON-CAPA Internal
  296: // <![CDATA[
  297: $utility
  298: // ]]>
  299: </script>
  300: <ol class="LC_smallMenu LC_right">
  301: 	<li>$logo</li>
  302: 	<li>$messagelink</li>
  303: 	<li>$roles</li>
  304: 	<li>$helplink</li>
  305: 	<li><a href="/adm/logout" target="_top">$lt{'exit'}</a></li>
  306: </ol>
  307: <ul id="LC_TabMainMenuContent">
  308: <li><a href="/adm/menu" target="_top">$lt{'main'}</a></li>
  309: $reloadlink
  310: $navmaps
  311: $docs
  312: $groups
  313: $role_selector
  314: </ul>
  315: $form
  316: <script type="text/javascript">
  317: // END LON-CAPA Internal
  318: </script>
  319: $reg
  320: ENDINLINEMENU
  321:     } else {
  322: 	return '';
  323:     }
  324: }
  325: 
  326: sub show_return_link {
  327:     return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
  328: 	     $env{'request.symb'} eq '')
  329: 	    ||
  330: 	    ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
  331: 	    ||
  332: 	    (($env{'request.noversionuri'}=~/^\/adm\//) &&
  333: 	     ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
  334: 	     ($env{'request.noversionuri'}!~
  335: 	      m[^/adm/.*/(smppg|bulletinboard|aboutme)($|\?)])
  336: 	     ));
  337: }
  338: 
  339: 
  340: sub registerurl {
  341:     my ($forcereg) = @_;
  342:     my $result = '';
  343:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  344:     my $force_title='';
  345:     if ($env{'request.state'} eq 'construct') {
  346: 	$force_title=&Apache::lonxml::display_title();
  347:     }
  348:     if (($env{'environment.remote'} eq 'off') ||
  349:         ((($env{'request.publicaccess'}) || 
  350:          (!&Apache::lonnet::is_on_map(
  351: 	   &unescape($env{'request.noversionuri'})))) &&
  352:         (!$forcereg))) {
  353:  	return $result.
  354:           '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
  355:     }
  356: # Graphical display after login only
  357:     if ($env{'request.registered'} && !$forcereg) { return ''; }
  358:     $result.=&innerregister($forcereg);
  359:     return $result.$force_title;
  360: }
  361: 
  362: sub innerregister {
  363:     my ($forcereg, $titletable) = @_;
  364:     my $result = '';
  365:     my ($uname,$thisdisfn);
  366:     my $const_space = ($env{'request.state'} eq 'construct');
  367:     my $is_const_dir = 0;
  368: 
  369:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  370: 
  371:     $env{'request.registered'} = 1;
  372: 
  373:     my $noremote = ($env{'environment.remote'} eq 'off');
  374:     
  375:     undef(@inlineremote);
  376: 
  377:     my $reopen=&Apache::lonmenu::reopenmenu();
  378: 
  379:     my $newmail='';
  380:     my $breadcrumb;
  381: 
  382:     if (&Apache::lonmsg::newmail() && !$noremote) { 
  383:         # We have new mail and remote is up
  384:         $newmail= 'swmenu.setstatus("you have","messages");';
  385:     } 
  386:     if ($noremote
  387: 	     && ($env{'request.symb'}) 
  388: 	     && ($env{'request.course.id'})) {
  389: 
  390:         my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
  391:         my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
  392: 
  393:         my $maptitle = &Apache::lonnet::gettitle($mapurl);
  394:         my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
  395:         my @crumbs = ({text  => "Course Content", 
  396:                        href  => "Javascript:gonav('/adm/navmaps')"}, 
  397:                       {text  => '...',
  398:                        no_mt => 1});
  399: 
  400:         push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
  401:                                                    && $maptitle ne 'default.sequence' 
  402:                                                    && $maptitle ne $coursetitle);
  403: 
  404:         push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
  405: 
  406:         Apache::lonhtmlcommon::clear_breadcrumbs();
  407:         Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
  408:         $breadcrumb .= Apache::lonhtmlcommon::breadcrumbs(undef,undef,0);
  409:         #
  410:     }
  411:     if ($env{'request.state'} eq 'construct') {
  412:         $newmail = $titletable;
  413:     } 
  414:     my $timesync   = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
  415:     my $tablestart = ( $noremote ? '<table id="LC_menubuttons">' : '');
  416:     my $tableend   = ( $noremote ? '</table>' : '');
  417: # =============================================================================
  418: # ============================ This is for URLs that actually can be registered
  419:     if (($env{'request.noversionuri'}!~m|^/(res/)*adm/|) || ($forcereg)) {
  420: # -- This applies to homework problems for users with grading privileges
  421: 	my $crs='/'.$env{'request.course.id'};
  422: 	if ($env{'request.course.sec'}) {
  423: 	    $crs.='_'.$env{'request.course.sec'};
  424: 	}
  425: 	$crs=~s/\_/\//g;
  426: 
  427:         my $hwkadd='';
  428:         if ($env{'request.symb'} ne '' &&
  429: 	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
  430: 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
  431: 		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_4]',
  432:                        "gocmd('/adm/grades','gradingmenu')",
  433:                        'Modify user grades for this assessment resource');
  434:             } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
  435: 		$hwkadd.=&switch('','',7,2,'subm.gif','view sub-[_1]','missions[_1]',
  436:                        "gocmd('/adm/grades','submission')",
  437: 		       'View user submissions for this assessment resource');
  438:             }
  439: 	}
  440: 	if ($env{'request.symb'} ne '' &&
  441: 	    &Apache::lonnet::allowed('opa',$crs)) {
  442: 	    $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
  443: 			     "gocmd('/adm/parmset','set')",
  444: 			     'Modify parameter settings for this resource');
  445: 	}
  446: # -- End Homework
  447:         ###
  448:         ### Determine whether or not to display the 'cstr' button for this
  449:         ### resource
  450:         ###
  451:         my $editbutton = '';
  452:         my $noeditbutton = 1;
  453:         my ($cnum,$cdom);
  454:         if ($env{'request.course.id'}) {
  455:             $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  456:             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  457:         }
  458:         if ($env{'user.author'}) {
  459:             if ($env{'request.role'}=~/^(aa|ca|au)/) {
  460:                 # Set defaults for authors
  461:                 my ($top,$bottom) = ('con-','struct');
  462:                 my $action = "go('/priv/".$env{'user.name'}."');";
  463:                 my $cadom  = $env{'request.role.domain'};
  464:                 my $caname = $env{'user.name'};
  465:                 my $desc = "Enter my construction space";
  466:                 # Set defaults for co-authors
  467:                 if ($env{'request.role'} =~ /^ca/) { 
  468:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  469:                     ($top,$bottom) = ('co con-','struct');
  470:                     $action = "go('/priv/".$caname."');";
  471:                     $desc = "Enter construction space as co-author";
  472:                 } elsif ($env{'request.role'} =~ /^aa/) {
  473:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  474:                     ($top,$bottom) = ('co con-','struct');
  475:                     $action = "go('/priv/".$caname."');";
  476:                     $desc = "Enter construction space as assistant co-author";
  477:                 }
  478:                 # Check that we are on the correct machine
  479:                 my $home = &Apache::lonnet::homeserver($caname,$cadom);
  480: 		my $allowed=0;
  481: 		my @ids=&Apache::lonnet::current_machine_ids();
  482: 		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  483: 		if (!$allowed) {
  484: 		    $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
  485:                     $noeditbutton = 0;
  486:                 }
  487:             }
  488:             ##
  489:             ## Determine if user can edit url.
  490:             ##
  491:             my $cfile='';
  492:             my $cfuname='';
  493:             my $cfudom='';
  494:             my $uploaded;
  495:             if ($env{'request.filename'}) {
  496:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  497:                 if (defined($cnum) && defined($cdom)) {
  498:                     $uploaded = &is_course_upload($file,$cnum,$cdom);
  499:                 }
  500:                 if (!$uploaded) {
  501:                     $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
  502:                     # Check that the user has permission to edit this resource
  503:                     ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
  504:                     if (defined($cfudom)) {
  505: 		        my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
  506: 		        my $allowed=0;
  507: 		        my @ids=&Apache::lonnet::current_machine_ids();
  508: 		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  509: 		        if ($allowed) {
  510:                             $cfile=$file;
  511:                         }
  512:                     }
  513:                 }
  514:             }
  515:             # Finally, turn the button on or off
  516:             if ($cfile && !$const_space) {
  517:                 $editbutton=&switch
  518:                     ('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
  519:                      "go('".$cfile."');","Edit this resource");
  520:                 $noeditbutton = 0;
  521:             } elsif ($editbutton eq '') {
  522:                 $editbutton=&clear(6,1);
  523:             }
  524:         }
  525:         if (($noeditbutton) && ($env{'request.filename'})) { 
  526:             if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  527:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  528:                 if (defined($cnum) && defined($cdom)) {
  529:                     if (&is_course_upload($file,$cnum,$cdom)) {
  530:                         my $cfile = &edit_course_upload($file,$cnum,$cdom);
  531:                         if ($cfile) {
  532:                             $editbutton=&switch
  533:                                         ('','',6,1,'pcstr.gif','edit[_1]',
  534:                                          'resource[_2]',"go('".$cfile."');",
  535:                                          'Edit this resource');
  536:                         }
  537:                     }
  538:                 }
  539:             }
  540:         }
  541:         ###
  542:         ###
  543: # Prepare the rest of the buttons
  544:         my $menuitems;
  545:         if ($const_space) {
  546: 	    my ($uname,$thisdisfn) =
  547: 		($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
  548:             my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
  549:             if ($currdir =~ m-/$-) {
  550:                 $is_const_dir = 1;
  551:             } else {
  552:                 $currdir =~ s|[^/]+$||;
  553: 		my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
  554: 		my $esc_currdir = &Apache::loncommon::escape_single($currdir);
  555:                 $menuitems=(<<ENDMENUITEMS);
  556: s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
  557: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
  558: s&6&3&pub.gif&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
  559: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
  560: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
  561: ENDMENUITEMS
  562:             }
  563:         } elsif ( defined($env{'request.course.id'}) && 
  564: 		 $env{'request.symb'} ne '' ) {
  565: 	    $menuitems=(<<ENDMENUITEMS);
  566: c&3&1
  567: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
  568: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
  569: c&6&3
  570: c&8&1
  571: c&8&2
  572: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  573: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
  574: ENDMENUITEMS
  575: 
  576: my $currentURL = &Apache::loncommon::get_symb();
  577: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
  578: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
  579: $menuitems.="s&9&3&";
  580: if(length($annotation) > 0){
  581: 	$menuitems.="anot2.gif";
  582: }else{
  583: 	$menuitems.="anot.gif";
  584: }
  585: $menuitems.="&anno-[_1]&tations[_1]&annotate()&";
  586: $menuitems.="Make notes and annotations about this resource&&1\n";
  587: 
  588:             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
  589: 		if (!$env{'request.enc'}) {
  590: 		    $menuitems.=(<<ENDREALRES);
  591: s&6&3&catalog.gif&catalog[_2]&info[_1]&catalog_info()&Show Metadata
  592: ENDREALRES
  593:                 }
  594: 	        $menuitems.=(<<ENDREALRES);
  595: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
  596: s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
  597: ENDREALRES
  598: 	    }
  599:         }
  600: 	if ($env{'request.uri'} =~ /^\/res/) {
  601: 	    $menuitems .= (<<ENDMENUITEMS);
  602: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  603: ENDMENUITEMS
  604: 	}
  605:         my $buttons='';
  606:         foreach (split(/\n/,$menuitems)) {
  607: 	    my ($command,@rest)=split(/\&/,$_);
  608:             my $idx=10*$rest[0]+$rest[1];
  609:             if (&hidden_button_check() eq 'yes') {
  610:                 if ($idx == 21 ||$idx == 23) {
  611:                     $buttons.=&switch('','',@rest);
  612:                 } else {
  613:                     $buttons.=&clear(@rest);
  614:                 }
  615:             } else {  
  616:                 if ($command eq 's') {
  617: 	            $buttons.=&switch('','',@rest);
  618:                 } else {
  619:                     $buttons.=&clear(@rest);
  620:                 }
  621:             }
  622:         }
  623: 
  624:         if ($noremote) {
  625: 	    my $addremote=0;
  626: 	    foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
  627: 	    my $inlinebuttons='';
  628: 	    if ($addremote) {
  629:             # Registered, textual output
  630:                     if ($env{'environment.icons'} eq 'iconsonly') {
  631:                         $inlinebuttons=(<<ENDARROWSINLINE);
  632: <tr><td>
  633: $inlineremote[21] $inlineremote[23]
  634: ENDARROWSINLINE
  635:                         if (&hidden_button_check() ne 'yes') {
  636:                             $inlinebuttons .= (<<ENDINLINEICONS);
  637: $inlineremote[61] $inlineremote[63]
  638: $inlineremote[71] $inlineremote[72] $inlineremote[73]
  639: $inlineremote[81] $inlineremote[82] $inlineremote[83]
  640: $inlineremote[91] $inlineremote[92] $inlineremote[93]</td></tr>
  641: ENDINLINEICONS
  642:                         }
  643:                     } else {
  644: 			if ($inlineremote[21] ne '' || $inlineremote[23] ne '') {
  645: 			    $inlinebuttons=(<<ENDFIRSTLINE);
  646: <tr><td>$inlineremote[21]</td><td>&nbsp;</td><td>$inlineremote[23]</td></tr>
  647: ENDFIRSTLINE
  648:                         }
  649:                         if (&hidden_button_check() ne 'yes') { 
  650: 			    foreach my $row (6..9) {
  651: 				if ($inlineremote[${row}.'1'] ne ''
  652: 				    || $inlineremote[$row.'2'] ne ''
  653: 				    || $inlineremote[$row.'3'] ne '') {
  654: 				    $inlinebuttons .= <<"ENDLINE";
  655: <tr><td>$inlineremote["${row}1"]</td><td>$inlineremote["${row}2"]</td><td>$inlineremote["${row}3"]</td></tr>
  656: ENDLINE
  657: 				}
  658: 			    }
  659: 			}
  660: 		    }
  661: 	    }
  662: 	    $result =(<<ENDREGTEXT);
  663: <script type="text/javascript">
  664: // BEGIN LON-CAPA Internal
  665: </script>
  666: $timesync
  667: $breadcrumb
  668: $tablestart
  669: $inlinebuttons
  670: $tableend
  671: $newmail
  672: <script type="text/javascript">
  673: // END LON-CAPA Internal
  674: </script>
  675: 
  676: ENDREGTEXT
  677: # Registered, graphical output
  678:         } else {
  679: 	    my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
  680: 	    $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
  681: 	    my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
  682: 	    my $navstatus=&get_nav_status();
  683: 	    my $clearcstr;
  684: 
  685: 	    if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
  686: 	    $result = (<<ENDREGTHIS);
  687:      
  688: <script type="text/javascript">
  689: // BEGIN LON-CAPA Internal
  690: var swmenu=null;
  691: 
  692:     function LONCAPAreg() {
  693: 	  swmenu=$reopen;
  694:           swmenu.clearTimeout(swmenu.menucltim);
  695:           $timesync
  696:           $newmail
  697:           $buttons
  698: 	  swmenu.currentURL="$requri";
  699:           swmenu.reloadURL=swmenu.currentURL+window.location.search;
  700:           swmenu.currentSymb="$cursymb";
  701:           swmenu.reloadSymb="$cursymb";
  702:           swmenu.currentStale=0;
  703: 	  $navstatus
  704:           $hwkadd
  705:           $editbutton
  706:     }
  707: 
  708:     function LONCAPAstale() {
  709: 	  swmenu=$reopen
  710:           swmenu.currentStale=1;
  711:           if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) { 
  712:              swmenu.switchbutton
  713:              (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
  714: 	  }
  715:           swmenu.clearbut(7,2);
  716:           swmenu.clearbut(7,3);
  717:           swmenu.menucltim=swmenu.setTimeout(
  718:  'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
  719:  'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
  720: 			  2000);
  721:       }
  722: 
  723: // END LON-CAPA Internal 
  724: </script>
  725: ENDREGTHIS
  726:         }
  727: # =============================================================================
  728:     } else {
  729: # ========================================== This can or will not be registered
  730:         if ($noremote) {
  731: # Not registered
  732:             $result= (<<ENDDONOTREGTEXT);
  733: ENDDONOTREGTEXT
  734:         } else {
  735: # Not registered, graphical
  736:            $result = (<<ENDDONOTREGTHIS);
  737: 
  738: <script type="text/javascript">
  739: // BEGIN LON-CAPA Internal
  740: var swmenu=null;
  741: 
  742:     function LONCAPAreg() {
  743: 	  swmenu=$reopen
  744:           $timesync
  745:           swmenu.currentStale=1;
  746:           swmenu.clearbut(2,1);
  747:           swmenu.clearbut(2,3);
  748:           swmenu.clearbut(8,1);
  749:           swmenu.clearbut(8,2);
  750:           swmenu.clearbut(8,3);
  751:           if (swmenu.currentURL) {
  752:              swmenu.switchbutton
  753:               (3,1,'reload.gif','return','location','go(currentURL)');
  754:  	  } else {
  755: 	      swmenu.clearbut(3,1);
  756:           }
  757:     }
  758: 
  759:     function LONCAPAstale() {
  760:     }
  761: 
  762: // END LON-CAPA Internal
  763: </script>
  764: ENDDONOTREGTHIS
  765:        }
  766: # =============================================================================
  767:     }
  768:     return $result;
  769: }
  770: 
  771: sub is_course_upload {
  772:     my ($file,$cnum,$cdom) = @_;
  773:     my $uploadpath = &LONCAPA::propath($cdom,$cnum);
  774:     $uploadpath =~ s{^\/}{};
  775:     if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
  776:         ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
  777:         return 1;
  778:     }
  779:     return;
  780: }
  781: 
  782: sub edit_course_upload {
  783:     my ($file,$cnum,$cdom) = @_;
  784:     my $cfile;
  785:     if ($file =~/\.(htm|html|css|js|txt)$/) {
  786:         my $ext = $1;
  787:         my $url = &Apache::lonnet::hreflocation('',$file);
  788:         my $home = &Apache::lonnet::homeserver($cnum,$cdom);
  789:         my @ids=&Apache::lonnet::current_machine_ids();
  790:         my $dest;
  791:         if ($home && grep(/^\Q$home\E$/,@ids)) {
  792:             $dest = $url.'?forceedit=1';
  793:         } else {
  794:             unless (&Apache::lonnet::get_locks()) {
  795:                 $dest = '/adm/switchserver?otherserver='.
  796:                         $home.'&role='.$env{'request.role'}.
  797:                         '&url='.$url.'&forceedit=1';
  798:             }
  799:         }
  800:         if ($dest) {
  801:             $cfile = &HTML::Entities::encode($dest,'"<>&');
  802:         }
  803:     }
  804:     return $cfile;
  805: }
  806: 
  807: sub loadevents() {
  808:     if ($env{'request.state'} eq 'construct' ||
  809: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  810:     return 'LONCAPAreg();';
  811: }
  812: 
  813: sub unloadevents() {
  814:     if ($env{'request.state'} eq 'construct' ||
  815: 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  816:     return 'LONCAPAstale();';
  817: }
  818: 
  819: 
  820: sub startupremote {
  821:     my ($lowerurl)=@_;
  822:     if ($env{'environment.remote'} eq 'off') {
  823:      return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
  824:     }
  825: #
  826: # The Remote actually gets launched!
  827: #
  828:     my $configmenu=&rawconfig();
  829:     my $esclowerurl=&escape($lowerurl);
  830:     my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
  831:     return(<<ENDREMOTESTARTUP);
  832: <script type="text/javascript">
  833: var timestart;
  834: function wheelswitch() {
  835:     if (typeof(document.wheel) != 'undefined') {
  836: 	if (typeof(document.wheel.spin) != 'undefined') {
  837: 	    var date=new Date();
  838: 	    var waited=Math.round(30-((date.getTime()-timestart)/1000));
  839: 	    document.wheel.spin.value=$message;
  840: 	}
  841:     }
  842:    if (window.status=='|') { 
  843:       window.status='/'; 
  844:    } else {
  845:       if (window.status=='/') {
  846:          window.status='-';
  847:       } else {
  848:          if (window.status=='-') { 
  849:             window.status='\\\\'; 
  850:          } else {
  851:             if (window.status=='\\\\') { window.status='|'; }
  852:          }
  853:       }
  854:    } 
  855: }
  856: 
  857: // ---------------------------------------------------------- The wait function
  858: var canceltim;
  859: function wait() {
  860:    if ((menuloaded==1) || (tim==1)) {
  861:       window.status='Done.';
  862:       if (tim==0) {
  863:          clearTimeout(canceltim);
  864:          $configmenu
  865:          window.location='$lowerurl';  
  866:       } else {
  867: 	  window.location='/adm/remote?action=collapse&url=$esclowerurl';
  868:       }
  869:    } else {
  870:       wheelswitch();
  871:       setTimeout('wait();',200);
  872:    }
  873: }
  874: 
  875: function main() {
  876:    canceltim=setTimeout('tim=1;',30000);
  877:    window.status='-';
  878:    var date=new Date();
  879:    timestart=date.getTime();
  880:    wait();
  881: }
  882: 
  883: </script>
  884: ENDREMOTESTARTUP
  885: }
  886: 
  887: sub setflags() {
  888:     return(<<ENDSETFLAGS);
  889: <script type="text/javascript">
  890:     menuloaded=0;
  891:     tim=0;
  892: </script>
  893: ENDSETFLAGS
  894: }
  895: 
  896: sub maincall() {
  897:     if ($env{'environment.remote'} eq 'off') { return ''; }
  898:     return(<<ENDMAINCALL);
  899: <script type="text/javascript">
  900:     main();
  901: </script>
  902: ENDMAINCALL
  903: }
  904: 
  905: sub load_remote_msg {
  906:     my ($lowerurl)=@_;
  907: 
  908:     if ($env{'environment.remote'} eq 'off') { return ''; }
  909: 
  910:     my $esclowerurl=&escape($lowerurl);
  911:     my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
  912:                 ,'<a href="/adm/remote?action=collapse&amp;url='.$esclowerurl.'">'
  913:                 ,'</a>');
  914:     return(<<ENDREMOTEFORM);
  915: <p>
  916: <form name="wheel">
  917: <input name="spin" type="text" size="60" />
  918: </form>
  919: </p>
  920: <p>$link</p>
  921: ENDREMOTEFORM
  922: }
  923: 
  924: sub get_menu_name {
  925:     my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
  926:     $hostid =~ s/\W//g;
  927:     return 'LCmenu'.$hostid;
  928: }
  929: 
  930: 
  931: sub reopenmenu {
  932:    if ($env{'environment.remote'} eq 'off') { return ''; }
  933:    my $menuname = &get_menu_name();
  934:    my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
  935:    return('window.open('.$nothing.',"'.$menuname.'","",false);');
  936: } 
  937: 
  938: 
  939: sub open {
  940:     my $returnval='';
  941:     if ($env{'environment.remote'} eq 'off') { 
  942: 	return '<script type="text/javascript">self.name="loncapaclient";</script>';
  943:     }
  944:     my $menuname = &get_menu_name();
  945:     
  946: #    unless (shift eq 'unix') {
  947: # resizing does not work on linux because of virtual desktop sizes
  948: #       $returnval.=(<<ENDRESIZE);
  949: #if (window.screen) {
  950: #    self.resizeTo(screen.availWidth-215,screen.availHeight-55);
  951: #    self.moveTo(190,15);
  952: #}
  953: #ENDRESIZE
  954: #    }
  955:     $returnval.=(<<ENDOPEN);
  956: window.status='Opening LON-CAPA Remote Control';
  957: var menu=window.open("/res/adm/pages/menu.html","$menuname",
  958: "height=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
  959: self.name='loncapaclient';
  960: ENDOPEN
  961:     return '<script type="text/javascript">'.$returnval.'</script>';
  962: }
  963: 
  964: 
  965: # ================================================================== Raw Config
  966: 
  967: sub clear {
  968:     my ($row,$col)=@_;
  969:     unless ($env{'environment.remote'} eq 'off') {
  970:        return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
  971:    } else { 
  972:        $inlineremote[10*$row+$col]='';
  973:        return ''; 
  974:    }
  975: }
  976: 
  977: # ============================================ Switch a button or create a link
  978: # Switch acts on the javascript that is executed when a button is clicked.  
  979: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
  980: 
  981: sub switch {
  982:     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
  983:     $act=~s/\$uname/$uname/g;
  984:     $act=~s/\$udom/$udom/g;
  985:     $top=&mt($top);
  986:     $bot=&mt($bot);
  987:     $desc=&mt($desc);
  988:     if (($env{'environment.remote'} ne 'off') || ($env{'environment.icons'} eq 'classic')) {
  989:        $img=&mt($img);
  990:     }
  991:     my $idx=10*$row+$col;
  992:     $category_members{$cat}.=':'.$idx;
  993: 
  994:     unless ($env{'environment.remote'} eq 'off') {
  995: # Remote
  996:        return "\n".
  997:  qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
  998:    } else {
  999: # Inline Remote
 1000:        if ($env{'environment.icons'} ne 'classic') {
 1001:           $img=~s/\.gif$/\.png/;
 1002:        }
 1003:        if ($nobreak==2) { return ''; }
 1004:        my $text=$top.' '.$bot;
 1005:        $text=~s/\s*\-\s*//gs;
 1006: 
 1007:        my $pic=
 1008: 	   '<img alt="'.$text.'" src="'.
 1009: 	   &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
 1010: 	   '" align="'.($nobreak==3?'right':'left').'" class="LC_noBorder" />';
 1011:        if ($env{'browser.interface'} eq 'faketextual') {
 1012: # Accessibility
 1013: 	   if ($nobreak==3) {
 1014: 	       $inlineremote[$idx]="\n".
 1015: 		   '<td class="LC_menubuttons_text" align="right">'.$text.
 1016: 		   '</td><td align="left">'.
 1017: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
 1018: 	   } elsif ($nobreak) {
 1019: 	       $inlineremote[$idx]="\n<tr>".
 1020: 		   '<td align="left">'.
 1021: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td>
 1022:                     <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>';
 1023: 	   } else {
 1024: 	       $inlineremote[$idx]="\n<tr>".
 1025: 		   '<td align="left">'.
 1026: 		   '<a href="javascript:'.$act.';">'.$pic.
 1027: 		   '</a></td><td class="LC_menubuttons_text" colspan="3">'.
 1028: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
 1029: 	   }
 1030:        } else {
 1031: # Inline Menu
 1032:            if ($env{'environment.icons'} eq 'iconsonly') {
 1033:               $inlineremote[$idx]='<a title="'.$desc.'" href="javascript:'.$act.';">'.$pic.'</a>';
 1034:            } else {
 1035: 	      $inlineremote[$idx]=
 1036: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
 1037: 		   '<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
 1038:            }
 1039:        }
 1040:    }
 1041:     return '';
 1042: }
 1043: 
 1044: sub secondlevel {
 1045:     my $output='';
 1046:     my 
 1047:     ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
 1048:     if ($prt eq 'any') {
 1049: 	   $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1050:     } elsif ($prt=~/^r(\w+)/) {
 1051:         if ($rol eq $1) {
 1052:            $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1053:         }
 1054:     }
 1055:     return $output;
 1056: }
 1057: 
 1058: sub openmenu {
 1059:     my $menuname = &get_menu_name();
 1060:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1061:     my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
 1062:     return "window.open(".$nothing.",'".$menuname."');";
 1063: }
 1064: 
 1065: sub inlinemenu {
 1066:     undef(@inlineremote);
 1067:     undef(%category_members);
 1068:     &rawconfig(1);
 1069:     my $output='<table id="LC_mainmenu"><tr>';
 1070:     for (my $col=1; $col<=2; $col++) {
 1071:         $output.='<td class="LC_mainmenu_col_fieldset">';
 1072:         for (my $row=1; $row<=8; $row++) {
 1073:             foreach my $cat (keys(%category_members)) {
 1074:                if ($category_positions{$cat} ne "$col,$row") { next; }
 1075:                #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
 1076:                $output.='<div class="LC_Box">';
 1077: 	       $output.='<h4 class="LC_hcell">'.&mt($category_names{$cat}).'</h4>';
 1078:                $output.='<table>';
 1079:                my %active=();
 1080:                foreach my $menu_item (split(/\:/,$category_members{$cat})) {
 1081:                   if ($inlineremote[$menu_item]) {
 1082:                      $active{$menu_item}=1;
 1083:                   }
 1084:                }  
 1085:                foreach my $item (sort(keys(%active))) {
 1086:                   $output.=$inlineremote[$item];
 1087:                }
 1088:                $output.='</table>';
 1089:                $output.='</div>';
 1090:             }
 1091:          }
 1092:          $output.="</td>";
 1093:     }
 1094:     $output.="</tr></table>";
 1095:     return $output;
 1096: }
 1097: 
 1098: sub rawconfig {
 1099:     my $textualoverride=shift;
 1100:     my $output='';
 1101:     unless ($env{'environment.remote'} eq 'off') {
 1102:        $output.=
 1103:  "window.status='Opening Remote Control';var swmenu=".&openmenu().
 1104: "\nwindow.status='Configuring Remote Control ';";
 1105:     } else {
 1106:        unless ($textualoverride) { return ''; }
 1107:     }
 1108:     my $uname=$env{'user.name'};
 1109:     my $udom=$env{'user.domain'};
 1110:     my $adv=$env{'user.adv'};
 1111:     my $show_course=&Apache::loncommon::show_course();
 1112:     my $author=$env{'user.author'};
 1113:     my $crs='';
 1114:     if ($env{'request.course.id'}) {
 1115:        $crs='/'.$env{'request.course.id'};
 1116:        if ($env{'request.course.sec'}) {
 1117: 	   $crs.='_'.$env{'request.course.sec'};
 1118:        }
 1119:        $crs=~s/\_/\//g;
 1120:     }
 1121:     my $pub=($env{'request.state'} eq 'published');
 1122:     my $con=($env{'request.state'} eq 'construct');
 1123:     my $rol=$env{'request.role'};
 1124:     my $requested_domain = $env{'request.role.domain'};
 1125:     foreach my $line (@desklines) {
 1126:         my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
 1127:         $prt=~s/\$uname/$uname/g;
 1128:         $prt=~s/\$udom/$udom/g;
 1129:         $prt=~s/\$crs/$crs/g; 
 1130:         $prt=~s/\$requested_domain/$requested_domain/g;
 1131:         if ($category_names{$cat}!~/\w/) { $cat='oth'; }
 1132:         my $type = &Apache::loncommon::course_type();
 1133:         if ($type eq 'Group') {
 1134:             $desc = &convert_menu_function($desc,$type);
 1135:         }
 1136:         if ($pro eq 'clear') {
 1137: 	    $output.=&clear($row,$col);
 1138:         } elsif ($pro eq 'any') {
 1139:                $output.=&secondlevel(
 1140: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1141: 	} elsif ($pro eq 'smp') {
 1142:             unless ($adv) {
 1143:                $output.=&secondlevel(
 1144:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1145:             }
 1146:         } elsif ($pro eq 'adv') {
 1147:             if ($adv) {
 1148:                $output.=&secondlevel(
 1149: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1150:             }
 1151: 	} elsif ($pro eq 'shc') {
 1152:             if ($show_course) {
 1153:                $output.=&secondlevel(
 1154:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1155:             }
 1156:         } elsif ($pro eq 'nsc') {
 1157:             if (!$show_course) {
 1158:                $output.=&secondlevel(
 1159: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1160:             }
 1161:         } elsif (($pro=~/^p(\w+)/) && ($prt)) {
 1162: 	    if (&Apache::lonnet::allowed($1,$prt)) {
 1163:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1164:             }
 1165:         } elsif ($pro eq 'course') {
 1166:             if ($env{'request.course.fn'}) {
 1167:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1168: 	    }
 1169:         } elsif ($pro =~ /^courseenv_(.*)$/) {
 1170:             my $key = $1;
 1171:             if ($env{'course.'.$env{'request.course.id'}.'.'.$key}) {
 1172:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1173:             }
 1174:         } elsif ($pro =~ /^course_(.*)$/) {
 1175:             # Check for permissions inside of a course
 1176:             if (($env{'request.course.id'}) &&
 1177:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
 1178:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
 1179:                  )) {
 1180:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
 1181: 	    }
 1182:         } elsif ($pro eq 'author') {
 1183:             if ($author) {
 1184:                 if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
 1185:                     (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) || 
 1186:                     (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
 1187:                     # Check that we are on the correct machine
 1188:                     my $cadom=$requested_domain;
 1189:                     my $caname=$env{'user.name'};
 1190:                     if (($prt eq 'rca') || ($prt eq 'raa')) {
 1191: 		       ($cadom,$caname)=
 1192:                                ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
 1193:                     }                       
 1194:                     $act =~ s/\$caname/$caname/g;
 1195:                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
 1196: 		    my $allowed=0;
 1197: 		    my @ids=&Apache::lonnet::current_machine_ids();
 1198: 		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
 1199: 		    if ($allowed) {
 1200:                         $output.=&switch($caname,$cadom,
 1201:                                         $row,$col,$img,$top,$bot,$act,$desc,$cat);
 1202:                     }
 1203:                 }
 1204:             }
 1205:         } elsif ($pro eq 'tools') {
 1206:             my @tools = ('aboutme','blog','portfolio');
 1207:             if (grep(/^\Q$prt\E$/,@tools)) {
 1208:                 if (!&Apache::lonnet::usertools_access($env{'user.name'},
 1209:                                                        $env{'user.domain'},
 1210:                                                        $prt,undef,'tools')) {
 1211:                     $output.=&clear($row,$col);
 1212:                     next;
 1213:                 }
 1214:             } elsif ($prt eq 'reqcrs') {
 1215:                 my $showreqcrs = 0;
 1216:                 foreach my $type ('official','unofficial') {
 1217:                     if (&Apache::lonnet::usertools_access($env{'user.name'},
 1218:                                                     $env{'user.domain'},
 1219:                                                     $type,undef,'requestcourses')) {
 1220:                         $showreqcrs = 1;
 1221:                         last;
 1222:                     }
 1223:                 }
 1224:                 if (!$showreqcrs) {
 1225:                     $output.=&clear($row,$col);
 1226:                     next;
 1227:                 }
 1228:             }
 1229:             $prt='any';
 1230:             $output.=&secondlevel(
 1231:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
 1232:         }
 1233:     }
 1234:     unless ($env{'environment.remote'} eq 'off') {
 1235:        $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
 1236:        if (&Apache::lonmsg::newmail()) { 
 1237: 	   $output.='swmenu.setstatus("you have","messages");';
 1238:        }
 1239:     }
 1240: 
 1241:     return $output;
 1242: }
 1243: 
 1244: # ======================================================================= Close
 1245: 
 1246: sub close {
 1247:     if ($env{'environment.remote'} eq 'off') { return ''; }
 1248:     my $menuname = &get_menu_name();
 1249:     return(<<ENDCLOSE);
 1250: <script type="text/javascript">
 1251: window.status='Accessing Remote Control';
 1252: menu=window.open("/adm/rat/empty.html","$menuname",
 1253:                  "height=350,width=150,scrollbars=no,menubar=no");
 1254: window.status='Disabling Remote Control';
 1255: menu.active=0;
 1256: menu.autologout=0;
 1257: window.status='Closing Remote Control';
 1258: menu.close();
 1259: window.status='Done.';
 1260: </script>
 1261: ENDCLOSE
 1262: }
 1263: 
 1264: # ====================================================================== Footer
 1265: 
 1266: sub footer {
 1267: 
 1268: }
 1269: 
 1270: sub nav_control_js {
 1271:     my $nav=($env{'environment.remotenavmap'} eq 'on');
 1272:     return (<<NAVCONTROL);
 1273:     var w_loncapanav_flag="$nav";
 1274: 
 1275: 
 1276: function gonav(url) {
 1277:    if (w_loncapanav_flag != 1) {
 1278:       gopost(url,'');
 1279:    }  else {
 1280:       navwindow=window.open(url,
 1281:                   "loncapanav","height=600,width=400,scrollbars=1"); 
 1282:    }
 1283: }
 1284: NAVCONTROL
 1285: }
 1286: 
 1287: sub utilityfunctions {
 1288:     my $caller = shift;
 1289:     unless ($env{'environment.remote'} eq 'off' || 
 1290:             $caller eq '/adm/menu') { 
 1291:             return ''; }
 1292:             
 1293:     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
 1294:     $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
 1295:     
 1296:     my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
 1297:     my $nav_control=&nav_control_js();
 1298: 
 1299:     my $start_page_annotate = 
 1300:         &Apache::loncommon::start_page('Annotator',undef,
 1301: 				       {'only_body' => 1,
 1302: 					'js_ready'  => 1,
 1303: 					'bgcolor'   => '#BBBBBB',
 1304: 					'add_entries' => {
 1305: 					    'onload' => 'javascript:document.goannotate.submit();'}});
 1306: 
 1307:     my $end_page_annotate = 
 1308:         &Apache::loncommon::end_page({'js_ready' => 1});
 1309: 
 1310:     my $start_page_bookmark = 
 1311:         &Apache::loncommon::start_page('Bookmarks',undef,
 1312: 				       {'only_body' => 1,
 1313: 					'js_ready'  => 1,
 1314: 					'bgcolor'   => '#BBBBBB',});
 1315: 
 1316:     my $end_page_bookmark = 
 1317:         &Apache::loncommon::end_page({'js_ready' => 1});
 1318: 
 1319: return (<<ENDUTILITY)
 1320: 
 1321:     var currentURL="$currenturl";
 1322:     var reloadURL="$currenturl";
 1323:     var currentSymb="$currentsymb";
 1324: 
 1325: $nav_control
 1326: 
 1327: function go(url) {
 1328:    if (url!='' && url!= null) {
 1329:        currentURL = null;
 1330:        currentSymb= null;
 1331:        window.location.href=url;
 1332:    }
 1333: }
 1334: 
 1335: function gopost(url,postdata) {
 1336:    if (url!='') {
 1337:       this.document.server.action=url;
 1338:       this.document.server.postdata.value=postdata;
 1339:       this.document.server.command.value='';
 1340:       this.document.server.url.value='';
 1341:       this.document.server.symb.value='';
 1342:       this.document.server.submit();
 1343:    }
 1344: }
 1345: 
 1346: function gocmd(url,cmd) {
 1347:    if (url!='') {
 1348:       this.document.server.action=url;
 1349:       this.document.server.postdata.value='';
 1350:       this.document.server.command.value=cmd;
 1351:       this.document.server.url.value=currentURL;
 1352:       this.document.server.symb.value=currentSymb;
 1353:       this.document.server.submit();
 1354:    }
 1355: }
 1356: 
 1357: function gocstr(url,filename) {
 1358:     if (url == '/adm/cfile?action=delete') {
 1359:         this.document.cstrdelete.filename.value = filename
 1360:         this.document.cstrdelete.submit();
 1361:         return;
 1362:     }
 1363:     if (url == '/adm/printout') {
 1364:         this.document.cstrprint.postdata.value = filename
 1365:         this.document.cstrprint.curseed.value = 0;
 1366:         this.document.cstrprint.problemtype.value = 0;
 1367:         if (this.document.lonhomework) {
 1368:             if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
 1369:                 this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
 1370:             }
 1371:             if (this.document.lonhomework.problemtype) {
 1372: 		if (this.document.lonhomework.problemtype.value) {
 1373: 		    this.document.cstrprint.problemtype.value = 
 1374: 			this.document.lonhomework.problemtype.value;
 1375: 		} else if (this.document.lonhomework.problemtype.options) {
 1376: 		    for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
 1377: 			if (this.document.lonhomework.problemtype.options[i].selected) {
 1378: 			    if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
 1379: 				this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
 1380: 				}
 1381: 			}
 1382: 		    }
 1383: 		}
 1384: 	    }
 1385: 	}
 1386:         this.document.cstrprint.submit();
 1387:         return;
 1388:     }
 1389:     if (url !='') {
 1390:         this.document.constspace.filename.value = filename;
 1391:         this.document.constspace.action = url;
 1392:         this.document.constspace.submit();
 1393:     }
 1394: }
 1395: 
 1396: function golist(url) {
 1397:    if (url!='' && url!= null) {
 1398:        currentURL = null;
 1399:        currentSymb= null;
 1400:        top.location.href=url;
 1401:    }
 1402: }
 1403: 
 1404: 
 1405: 
 1406: function catalog_info() {
 1407:    loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1408: }
 1409: 
 1410: function chat_win() {
 1411:    lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1412: }
 1413: 
 1414: function group_chat(group) {
 1415:    var url = '/adm/groupchat?group='+group;
 1416:    var winName = 'LONchat_'+group;
 1417:    grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1418: }
 1419: 
 1420: function edit_bookmarks() {
 1421:    go('');
 1422:    w_BookmarkPal_flag=1;
 1423:    bookmarkpal=window.open("/adm/bookmarks",
 1424:                "BookmarkPal", "width=400,height=505,scrollbars=0");
 1425: }
 1426: 
 1427: function annotate() {
 1428:    w_Annotator_flag=1;
 1429:    annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
 1430:    annotator.document.write(
 1431:    '$start_page_annotate'
 1432:   +"<form name='goannotate' target='Annotator' method='post' "
 1433:   +"action='/adm/annotations'>"
 1434:   +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
 1435:   +"<\\/form>"
 1436:   +'$end_page_annotate');
 1437:    annotator.document.close();
 1438: }
 1439: 
 1440: function set_bookmark() {
 1441:    go('');
 1442:    clienttitle=document.title;
 1443:    clienthref=location.pathname;
 1444:    w_bmquery_flag=1;
 1445:    bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
 1446:    bmquery.document.write(
 1447:    '$start_page_bookmark'
 1448:    +'<center><form method="post"'
 1449:    +' name="newlink" action="/adm/bookmarks" target="bmquery" '
 1450:    +'> <table width="340" height="150" '
 1451:    +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
 1452:    +'type="text" name="title" size="45" value="'+clienttitle+'" />'
 1453:    +'<br />Address:<br /><input type="text" name="address" size="45" '
 1454:    +'value="'+clienthref+'" /><br /><center><input type="submit" '
 1455:    +'value="Save" /> <input type="button" value="Close" '
 1456:    +'onclick="javascript:window.close();" /></center></td>'
 1457:    +'</tr></table></form></center>'
 1458:    +'$end_page_bookmark' );
 1459:    bmquery.document.close();
 1460: }
 1461: 
 1462: ENDUTILITY
 1463: }
 1464: 
 1465: sub serverform {
 1466:     return(<<ENDSERVERFORM);
 1467: <form name="server" action="/adm/logout" method="post" target="_top">
 1468: <input type="hidden" name="postdata" value="none" />
 1469: <input type="hidden" name="command" value="none" />
 1470: <input type="hidden" name="url" value="none" />
 1471: <input type="hidden" name="symb" value="none" />
 1472: </form>
 1473: ENDSERVERFORM
 1474: }
 1475: 
 1476: sub constspaceform {
 1477:     return(<<ENDCONSTSPACEFORM);
 1478: <form name="constspace" action="/adm/logout" method="post" target="_top">
 1479: <input type="hidden" name="filename" value="" />
 1480: </form>
 1481: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
 1482: <input type="hidden" name="action" value="delete" /> 
 1483: <input type="hidden" name="filename" value="" />
 1484: </form>
 1485: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
 1486: <input type="hidden" name="postdata" value="" />
 1487: <input type="hidden" name="curseed" value="" />
 1488: <input type="hidden" name="problemtype" value="" />
 1489: </form>
 1490: 
 1491: ENDCONSTSPACEFORM
 1492: }
 1493: 
 1494: 
 1495: sub get_nav_status {
 1496:     my $navstatus="swmenu.w_loncapanav_flag=";
 1497:     if ($env{'environment.remotenavmap'} eq 'on') {
 1498: 	$navstatus.="1";
 1499:     } else {
 1500: 	$navstatus.="-1";
 1501:     }
 1502:     return $navstatus;
 1503: }
 1504: 
 1505: #FIXME this needs to move into mydesktab and the other locations 
 1506: # the text is generated
 1507: sub convert_menu_function {
 1508:     my ($rolename,$type) = @_;
 1509:     if ($type eq 'Group') {
 1510:         $rolename =~ s/student/member/g;
 1511:         $rolename =~ s/group/team/g;
 1512:         $rolename =~ s/course/group/g;
 1513:         $rolename =~ s/Course/Group/g;
 1514:     }
 1515:     return $rolename;
 1516: }
 1517: 
 1518: sub hidden_button_check {
 1519:     my $hidden;
 1520:     if ($env{'request.course.id'} eq '') {
 1521:         return;
 1522:     }
 1523:     if ($env{'request.role.adv'}) {
 1524:         return;
 1525:     }
 1526:     my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
 1527:     return $buttonshide; 
 1528: }
 1529: 
 1530: sub roles_selector {
 1531:     my ($cdom,$cnum) = @_;
 1532:     my $now = time;
 1533:     my (%courseroles,%seccount);
 1534:     my $is_cc;
 1535:     my $role_selector;
 1536:     if ($env{'user.role.cc./'.$cdom.'/'.$cnum}) {
 1537:         my ($start,$end) = split(/\./,$env{'user.role.cc./'.$cdom.'/'.$cnum});
 1538:         
 1539:         if ((($start) && ($start<0)) || 
 1540:             (($end) && ($end<$now))  ||
 1541:             (($start) && ($now<$start))) {
 1542:             $is_cc = 0;
 1543:         } else {
 1544:             $is_cc = 1;
 1545:         }
 1546:     }
 1547:     if ($is_cc) {
 1548:         &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
 1549:     } else {
 1550:         my %gotnosection;
 1551:         foreach my $item (keys(%env)) {
 1552:             if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
 1553:                 my $role = $1;
 1554:                 my $sec = $2;
 1555:                 next if ($role eq 'gr');
 1556:                 my ($start,$end) = split(/\./,$env{$item});
 1557:                 next if (($start && $start > $now) || ($end && $end < $now));
 1558:                 if ($sec eq '') {
 1559:                     if (!$gotnosection{$role}) {
 1560:                         $seccount{$role} ++;
 1561:                         $gotnosection{$role} = 1;
 1562:                     }
 1563:                 }
 1564:                 if (ref($courseroles{$role}) eq 'ARRAY') {
 1565:                     if ($sec ne '') {
 1566:                         if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
 1567:                             push(@{$courseroles{$role}},$sec);
 1568:                             $seccount{$role} ++;
 1569:                         }
 1570:                     }
 1571:                 } else {
 1572:                     @{$courseroles{$role}} = ();
 1573:                     if ($sec ne '') {
 1574:                         $seccount{$role} ++;
 1575:                         push(@{$courseroles{$role}},$sec);
 1576:                     }
 1577:                 }
 1578:             }
 1579:         }
 1580:     }
 1581:     my @roles_order = ('cc','in','ta','ep','ad','st');
 1582:     if (keys(%courseroles) > 1) {
 1583:         $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles);
 1584:         $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
 1585:                           <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
 1586:         $role_selector .= '<option value="">'.&mt('Switch course role to...').'</option>';
 1587:         foreach my $role (@roles_order) {
 1588:             if (defined($courseroles{$role})) {
 1589:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
 1590:             }
 1591:         }
 1592:         foreach my $role (sort(keys(%courseroles))) {
 1593:             if ($role =~ /^cr/) {
 1594:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
 1595:             }
 1596:         }
 1597:         $role_selector .= '</select>'."\n".
 1598:                '<input type="hidden" name="destinationurl" value="'.
 1599:                $ENV{'REQUEST_URI'}.'" />'."\n".
 1600:                '<input type="hidden" name="gotorole" value="1" />'."\n".
 1601:                '<input type="hidden" name="selectrole" value="" />'."\n".
 1602:                '<input type="hidden" name="switch" value="1" />'."\n".
 1603:                '</form>';
 1604:     }
 1605:     return $role_selector;
 1606: }
 1607: 
 1608: sub get_all_courseroles {
 1609:     my ($cdom,$cnum,$courseroles,$seccount) = @_;
 1610:     unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
 1611:         return;
 1612:     }
 1613:     my ($result,$cached) = 
 1614:         &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
 1615:     if (defined($cached)) {
 1616:         if (ref($result) eq 'HASH') {
 1617:             if ((ref($result->{'roles'}) eq 'HASH') && 
 1618:                 (ref($result->{'seccount'}) eq 'HASH')) {
 1619:                 %{$courseroles} = %{$result->{'roles'}};
 1620:                 %{$seccount} = %{$result->{'seccount'}};
 1621:                 return;
 1622:             }
 1623:         }
 1624:     }
 1625:     my %gotnosection;
 1626:     my %adv_roles =
 1627:          &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 1628:     foreach my $role (keys(%adv_roles)) {
 1629:         my ($urole,$usec) = split(/:/,$role);
 1630:         if (!$gotnosection{$urole}) {
 1631:             $seccount->{$urole} ++;
 1632:             $gotnosection{$urole} = 1;
 1633:         }
 1634:         if (ref($courseroles->{$urole}) eq 'ARRAY') {
 1635:             if ($usec ne '') {
 1636:                 if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
 1637:                     push(@{$courseroles->{$urole}},$usec);
 1638:                     $seccount->{$urole} ++;
 1639:                 }
 1640:             }
 1641:         } else {
 1642:             @{$courseroles->{$urole}} = ();
 1643:             if ($usec ne '') {
 1644:                 $seccount->{$urole} ++;
 1645:                 push(@{$courseroles->{$urole}},$usec);
 1646:             }
 1647:         }
 1648:     }
 1649:     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
 1650:     @{$courseroles->{'st'}} = ();
 1651:     if (keys(%sections_count) > 0) {
 1652:         push(@{$courseroles->{'st'}},keys(%sections_count));
 1653:         $seccount->{'st'} = scalar(keys(%sections_count)); 
 1654:     }
 1655:     my $rolehash = {
 1656:                      'roles'    => $courseroles,
 1657:                      'seccount' => $seccount,
 1658:                    };
 1659:     &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
 1660:     return;
 1661: }
 1662: 
 1663: sub jump_to_role {
 1664:     my ($cdom,$cnum,$seccount,$courseroles) = @_;
 1665:     my %lt = &Apache::lonlocal::texthash(
 1666:                 this => 'This role has section(s) associated with it.',
 1667:                 ente => 'Enter a specific section.',
 1668:                 orlb => 'Enter a specific section, or leave blank for no section.',
 1669:                 avai => 'Available sections are:',
 1670:                 youe => 'You entered an invalid section choice:',
 1671:                 plst => 'Please try again',
 1672:     );
 1673:     my $js;
 1674:     if (ref($courseroles) eq 'HASH') {
 1675:         $js = '    var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n". 
 1676:               '    var numsec = new Array();'."\n".
 1677:               '    var rolesections = new Array();'."\n".
 1678:               '    var rolenames = new Array();'."\n".
 1679:               '    var roleseclist = new Array();'."\n";
 1680:         my @items = keys(%{$courseroles});
 1681:         for (my $i=0; $i<@items; $i++) {
 1682:             $js .= '    rolenames['.$i.'] = "'.$items[$i].'";'."\n";
 1683:             my ($secs,$secstr);
 1684:             if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
 1685:                 my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
 1686:                 $secs = join('","',@sections);
 1687:                 $secstr = join(', ',@sections);
 1688:             }
 1689:             $js .= '    rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
 1690:                    '    roleseclist['.$i.'] = "'.$secstr.'";'."\n".
 1691:                    '    numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
 1692:         }
 1693:     }
 1694:     my $output = <<"END";
 1695: <script type="text/javascript">
 1696: function adhocRole(roleitem) {
 1697:     $js
 1698:     var newrole =  document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
 1699:     if (newrole == '') {
 1700:         return; 
 1701:     } 
 1702:     var fullrole = newrole+'./$cdom/$cnum';
 1703:     var selidx = '';
 1704:     for (var i=0; i<rolenames.length; i++) {
 1705:         if (rolenames[i] == newrole) {
 1706:             selidx = i;
 1707:         }
 1708:     }
 1709:     var secok = 1;
 1710:     var secchoice = '';
 1711:     if (selidx >= 0) {
 1712:         if (numsec[selidx] > 1) {
 1713:             secok = 0;
 1714:             var numrolesec = rolesections[selidx].length;
 1715:             var msgidx = numsec[selidx] - numrolesec;
 1716:             secchoice = prompt("$lt{'this'}\\n"+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
 1717:             if (secchoice == '') {
 1718:                 if (msgidx > 0) {
 1719:                     secok = 1;
 1720:                 }
 1721:             } else {
 1722:                 for (var j=0; j<rolesections[selidx].length; j++) {
 1723:                     if (rolesections[selidx][j] == secchoice) {
 1724:                         secok = 1;
 1725:                     }
 1726:                 }
 1727:             }
 1728:         } else {
 1729:             if (rolesections[selidx].length == 1) {
 1730:                 secchoice = rolesections[selidx][0];
 1731:             }
 1732:         }
 1733:     }
 1734:     if (secok == 1) {
 1735:         if (secchoice != '') {
 1736:             fullrole += '/'+secchoice;
 1737:         }
 1738:     } else {
 1739:         document.rolechooser.elements[roleitem].selectedIndex = 0;
 1740:         if (secchoice != null) {
 1741:             alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
 1742:         }
 1743:         return;
 1744:     }
 1745:     if (fullrole == "$env{'request.role'}") {
 1746:         return;
 1747:     }
 1748:     itemid = retrieveIndex('gotorole');
 1749:     if (itemid != -1) {
 1750:         document.rolechooser.elements[itemid].name = fullrole;
 1751:     }
 1752:     document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
 1753:     document.rolechooser.selectrole.value = '1';
 1754:     document.rolechooser.submit();
 1755:     return;
 1756: }
 1757: 
 1758: function retrieveIndex(item) {
 1759:     for (var i=0;i<document.rolechooser.elements.length;i++) {
 1760:         if (document.rolechooser.elements[i].name == item) {
 1761:             return i;
 1762:         }
 1763:     }
 1764:     return -1;
 1765: }
 1766: 
 1767: 
 1768: </script>
 1769: END
 1770:     return $output;
 1771: }
 1772: 
 1773: 
 1774: # ================================================================ Main Program
 1775: 
 1776: BEGIN {
 1777:     if (! defined($readdesk)) {
 1778: 	{
 1779: 	    my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
 1780: 	    if ( CORE::open( my $config,"<$tabfile") ) {
 1781: 		while (my $configline=<$config>) {
 1782: 		    $configline=(split(/\#/,$configline))[0];
 1783: 		    $configline=~s/^\s+//;
 1784: 		    chomp($configline);
 1785:                     if ($configline=~/^cat\:/) {
 1786:                        my @entries=split(/\:/,$configline);
 1787:                        $category_positions{$entries[2]}=$entries[1];
 1788:                        $category_names{$entries[2]}=$entries[3];
 1789: 		    } elsif ($configline) {
 1790: 			push(@desklines,$configline);
 1791: 		    }
 1792: 		}
 1793: 		CORE::close($config);
 1794: 	    }
 1795: 	}
 1796: 	$readdesk='done';
 1797:     }
 1798: }
 1799: 
 1800: 1;
 1801: __END__
 1802: 
 1803: 
 1804: 
 1805: 
 1806: 
 1807: 
 1808: 

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