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- Customization for GCI_3.
  - Custom menu when current user has no roles, i.e., is a user who has
    created an account but has yet to be approved for enrollment in the
    GCI Inventory course.
  - Table of pending enrollment requests displayed.

    1: # The LearningOnline Network with CAPA
    2: # displays the main menu
    3: #
    4: # $Id: lonmainmenu.pm,v 1.8.4.7 2010/01/15 04:12:54 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 are two parameters controlling the action of this module:
   30: #
   31: # browser.interface - if this is 'textual', it overrides the second parameter
   32: # and goes to screen reader PDA mode
   33: #
   34: # environment.remote - if this is 'on', the routines controll the remote
   35: # control, otherwise they render the main window controls; ignored it
   36: # browser.interface is 'textual'
   37: #
   38: 
   39: package Apache::lonmainmenu;
   40: 
   41: use strict;
   42: use Apache::Constants qw(:common);
   43: use Apache::loncommon();
   44: use Apache::lonnet;
   45: use Apache::lonmenu();
   46: use Apache::lonlocal;
   47: use LONCAPA qw(:DEFAULT :match);
   48: 
   49: sub handler {
   50:     my $r = shift;
   51:     &Apache::loncommon::no_cache($r);
   52:     &Apache::loncommon::content_type($r,'text/html');
   53:     $r->send_http_header;
   54:     return OK if $r->header_only;
   55: 
   56:     my $form;
   57:     if ($env{'environment.remote'} ne 'off') {
   58: 	$form=&Apache::lonmenu::serverform();
   59:     }
   60: 
   61:     my $custommenu = &Apache::loncommon::needs_gci_custom();
   62:     my ($script_tag,$switcher);
   63:     if ($env{'environment.remote'} ne 'off') {
   64:         my $utility=&Apache::lonmenu::utilityfunctions('/adm/menu');
   65:         $script_tag=(<<ENDSCRIPT);
   66: <script type="text/javascript">
   67: $utility
   68: </script>
   69: ENDSCRIPT
   70:     } elsif (($custommenu) || ($env{'user.domain'} eq 'gcitest')) {
   71:         my $role = 'st';
   72:         if ($custommenu) {
   73:             $role = 'cc';
   74:         }
   75:         my $switcher_js;
   76:         my %courses = &Apache::loncommon::existing_gcitest_courses($role);
   77:         my $numcourses = keys(%courses);
   78:         if ($numcourses > 0) {
   79:             $switcher = &gcitest_switcher($role,%courses);
   80:             my $current;
   81:             if ($env{'request.course.id'}) {
   82:                 $current = $role.'./'.$env{'course.'.$env{'request.course.id'}.'.domain'}.
   83:                            '/'.$env{'course.'.$env{'request.course.id'}.'.num'};
   84:             }
   85:             $switcher_js = &gcitest_switcher_js($current,$numcourses);
   86:             $script_tag= <<"ENDSCRIPT";
   87: <script type="text/javascript">
   88: // <![CDATA[
   89: 
   90: $switcher_js
   91: 
   92: // ]]>
   93: </script>
   94: ENDSCRIPT
   95:         }
   96:     }
   97: # ---- Print the screen, pretend to be in text mode to generate text-based menu
   98: # temporarily set interface to "faketextual" and remote to "off", which renders
   99: # the main menu
  100:     $env{'browser.interface'}='faketextual';
  101:     $env{'environment.remote'}='off';
  102: 
  103:     $r->print(&Apache::loncommon::start_page( 'Main Menu',
  104:                                               $script_tag,
  105:                                               {'bread_crumbs' => 1}));
  106:     my $rolecount = 0;
  107:     unless (($custommenu) || ($env{'user.domain'} eq 'gcitest')) {
  108:        foreach my $envkey (keys(%env)) {
  109:           next unless ($envkey =~ /^user\.role\./);
  110:           $rolecount ++;
  111:        }
  112:     }
  113:     if ($custommenu) {
  114:         $r->print(&Apache::lonmenu::inlinemenu('gcicustom',$switcher).$form);
  115:     } elsif ($env{'user.domain'} eq 'gcitest') {
  116:         $r->print(&Apache::lonmenu::inlinemenu('gcistudent',$switcher).$form);
  117:     } elsif (!$rolecount) {
  118:         $r->print(&Apache::lonmenu::inlinemenu('gcinorole').$form);
  119:     } else {
  120:         $r->print(&Apache::lonmenu::inlinemenu().$form);
  121:     }
  122:     $r->print(&Apache::loncommon::end_page());
  123:     return OK;
  124: }
  125: 
  126: sub gcitest_switcher {
  127:     my ($role,%courses) = @_;
  128:     my $output;
  129:     my %Sortby;
  130:     foreach my $course (sort(keys(%courses))) {
  131:         next unless (ref($courses{$course}) eq 'HASH');
  132:         my $clean_title = $courses{$course}{'description'};
  133:         $clean_title =~ s/\W+//g;
  134:         if ($clean_title eq '') {
  135:             $clean_title = $courses{$course}{'description'};
  136:         }
  137:         push(@{$Sortby{$clean_title}},$course);
  138:     }
  139:     my @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby));
  140:     my $default;
  141:     if (@sorted_courses > 1) {
  142:         if (($env{'request.course.id'}) && ($courses{$env{'request.course.id'}})) {
  143:             $default = &mt('Switch concept test ...');
  144:         } else {
  145:             $default = &mt('Select a concept test ...');
  146:         }
  147:     } else {
  148:         unless (($env{'request.course.id'}) && ($courses{$env{'request.course.id'}})) {
  149:             $default = &mt('Select concept test ...');
  150:         }
  151:     }
  152:     if ($default) {
  153:         $output = '<form name="pickrole" action="/adm/roles" method="post">'.
  154:                   '<select name="newrole" onchange="javascript:courseswitcher();">'.
  155:                   '<option value="" selected="selected">'.$default.'</option>';
  156:         foreach my $item (@sorted_courses) {
  157:             foreach my $course (@{$Sortby{$item}}) {
  158:                 my ($cdom,$cnum) = split('_',$course);
  159:                 $output .= '<option value="'.$role.'./'.$cdom.'/'.$cnum.'">'.$courses{$course}{'description'}.'</option>';
  160:             }
  161:         }
  162:         $output .= '</select><input type="hidden" name="selectrole" value="" /></form>';
  163:     }
  164:     return $output;
  165: }
  166: 
  167: sub gcitest_switcher_js {
  168:     my ($current,$numcourses) = @_;
  169:     my $output = <<"ENDJS";
  170: 
  171: function courseswitcher(caller) {
  172:     var numcourses = $numcourses;
  173:     var current = '$current';
  174:     var choice = document.pickrole.newrole.options[document.pickrole.newrole.selectedIndex].value;
  175:     if (choice == '') {
  176:         if (caller == 'icon') {
  177:             alert('No Concept Test selected');
  178:         }
  179:         document.pickrole.selectrole.value = '';
  180:         return;
  181:     }
  182:     if (choice == current) {
  183:         if ((caller != 'icon') && (numcourses > 1)) {
  184:             alert('You have selected the current course.\\nPlease select a different Concept Test course');
  185:         }
  186:         document.pickrole.newrole.selectedIndex = 0;
  187:         document.pickrole.selectrole.value = '';
  188:         return;
  189:     }
  190:     document.pickrole.selectrole.value = '1';
  191:     document.pickrole.submit();
  192:     return;
  193: }
  194: 
  195: ENDJS
  196:     return $output;
  197: }
  198: 
  199: 1;
  200: __END__
  201: 
  202: 
  203: 
  204: 
  205: 
  206: 
  207: