--- loncom/interface/lonmenu.pm 2009/07/09 08:53:39 1.272
+++ loncom/interface/lonmenu.pm 2011/03/05 16:34:50 1.315.2.9
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Routines to control the menu
#
-# $Id: lonmenu.pm,v 1.272 2009/07/09 08:53:39 droeschl Exp $
+# $Id: lonmenu.pm,v 1.315.2.9 2011/03/05 16:34:50 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -42,17 +42,72 @@ Coordinates the response to clicking an
This is part of the LearningOnline Network with CAPA project
described at http://www.lon-capa.org.
+=head1 GLOBAL VARIABLES
+
+=over
+
+=item @desklines
+
+Each element of this array contains a line of mydesk.tab that doesn't start with
+cat, prim or scnd.
+It gets filled in the BEGIN block of this module.
+
+=item %category_names
+
+The keys of this hash are the abbreviations used in mydesk.tab in those lines that
+start with cat, the values are strings representing titles.
+It gets filled in the BEGIN block of this module.
+
+=item %category_members
+
+TODO
+
+=item %category_positions
+
+The keys of this hash are the abbreviations used in mydesk.tab in those lines that
+start with cat, its values are position vectors (column, row).
+It gets filled in the BEGIN block of this module.
+
+=item $readdesk
+
+Indicates that mydesk.tab has been read.
+It is set to 'done' in the BEGIN block of this module.
+
+=item @primary_menu
+
+The elements of this array reference arrays that are made up of the components
+of those lines of mydesk.tab that start with prim.
+It is used by primary_menu() to generate the corresponding menu.
+It gets filled in the BEGIN block of this module.
+
+=item @secondary_menu
+
+The elements of this array reference arrays that are made up of the components
+of those lines of mydesk.tab that start with scnd.
+It is used by secondary_menu() to generate the corresponding menu.
+It gets filled in the BEGIN block of this module.
+
+=back
+
=head1 SUBROUTINES
=over
-Little texts
+=item prep_menuitems(\@menuitem)
+
+This routine wraps a menuitem in proper HTML. It is used by primary_menu() and
+secondary_menu().
-=item initlittle()
+=item primary_menu()
-=item menubuttons()
+This routine evaluates @primary_menu and returns XHTML for the menu
+that contains following links: About, Message, Roles, Help, Logout
+@primary_menu is filled within the BEGIN block of this module with
+entries from mydesk.tab
-This gets called at the top of the body section
+=item secondary_menu()
+
+Same as primary_menu() but operates on @secondary_menu.
=item show_return_link()
@@ -113,11 +168,6 @@ The javascript is usually similar to "go
=item get_nav_status()
-=item convert_menu_function()
-
-FIXME this needs to move into mydesktab and the other locations
-the text is generated
-
=item hidden_button_check()
=item roles_selector()
@@ -137,189 +187,207 @@ use Apache::loncommon();
use Apache::lonenc();
use Apache::lonlocal;
use LONCAPA qw(:DEFAULT :match);
+use HTML::Entities();
-use vars qw(@desklines %category_names %category_members %category_positions $readdesk);
-
+use vars qw(@desklines %category_names %category_members %category_positions
+ $readdesk @primary_menu @secondary_menu);
my @inlineremote;
-sub initlittle {
- return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
- 'nav' => 'Navigate Contents',
- 'main' => 'Main Menu',
- 'roles' => (&Apache::loncommon::show_course()?
- 'Courses':'Roles'),
- 'other' => 'Other Roles',
- 'docs' => 'Edit Course',
- 'exit' => 'Logout',
- 'login' => 'Log In',
- 'launch' => 'Launch Remote Control',
- 'groups' => 'Groups',
- 'gdoc' => 'Group Documents',
- );
-}
-
-sub menubuttons {
- my $forcereg=shift;
- my $registration=shift;
- my $titletable=shift;
- &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
- ['inhibitmenu']);
- if (($env{'form.inhibitmenu'} eq 'yes') ||
- ($ENV{'REQUEST_URI'} eq '/adm/logout')) { return ''; }
-
- if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
+sub prep_menuitem {
+ my ($menuitem) = @_;
+ return '' unless(ref($menuitem) eq 'ARRAY');
+ my $link;
+ if ($$menuitem[1]) { # graphical Link
+ $link = "";
+ } else { # textual Link
+ $link = &mt($$menuitem[3]);
+ }
+ return '
$link|;
+}
+
+# primary_menu() evaluates @primary_menu and returns XHTML for the menu
+# that contains following links:
+# About, Message, Roles, Help, Logout
+# @primary_menu is filled within the BEGIN block of this module with
+# entries from mydesk.tab
+sub primary_menu {
+ my $menu;
+ # each element of @primary contains following array:
+ # (link url, icon path, alt text, link text, condition)
+ my $public;
+ if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
+ || (($env{'user.name'} eq '') && ($env{'user.domain'} eq ''))) {
+ $public = 1;
+ }
+ foreach my $menuitem (@primary_menu) {
+ # evaluate conditions
+ next if ref($menuitem) ne 'ARRAY'; #
+ next if $$menuitem[4] eq 'nonewmsg' # show links depending on
+ && &Apache::lonmsg::mynewmail(); # whether a new msg
+ next if $$menuitem[4] eq 'newmsg' # arrived or not
+ && !&Apache::lonmsg::mynewmail(); #
+ next if $$menuitem[4] !~ /public/ ##we've a public user,
+ && $public; ##who should not see all
+ ##links
+ next if $$menuitem[4] eq 'onlypublic'# hide links which are
+ && !$public; # only visible to public
+ # users
+ next if $$menuitem[4] eq 'roles' ##show links depending on
+ && &Apache::loncommon::show_course(); ##term 'Courses' or
+ next if $$menuitem[4] eq 'courses' ##'Roles' wanted
+ && !&Apache::loncommon::show_course(); ##
+
+
+ if ($$menuitem[3] eq 'Help') { # special treatment for helplink
+ if ($public) {
+ my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
+ my $defdom = &Apache::lonnet::default_login_domain();
+ my $to = &Apache::loncommon::build_recipient_list(undef,
+ 'helpdeskmail',
+ $defdom,$origmail);
+ if ($to ne '') {
+ $menu .= &prep_menuitem($menuitem);
+ }
+ } else {
+ $menu .= ''.&Apache::loncommon::top_nav_help('Help').'';
+ }
+ } else {
+ $menu .= &prep_menuitem($menuitem);
+ }
+ }
- my %lt=&initlittle();
- my $navmaps='';
- my $reloadlink='';
- my $docs='';
- my $groups='';
- my $roles=''.$lt{'roles'}.'';
- my $role_selector;
- my $showgroups=0;
- my ($cnum,$cdom);
- my $escurl=&escape(&Apache::lonenc::check_encrypt($env{'request.noversionuri'}));
- my $escsymb=&escape(&Apache::lonenc::check_encrypt($env{'request.symb'}));
-
- my $logo=&Apache::loncommon::lonhttpdurl("/adm/lonIcons/minilogo.gif");
- $logo = '';
+ return "";
+}
- if ($env{'request.state'} eq 'construct') {
- if (($env{'request.noversionuri'} eq '') || (!defined($env{'request.noversionuri'}))) {
- my $returnurl = $env{'request.filename'};
- $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:;
- $escurl = &escape($returnurl);
- }
+#returns hashref {user=>'',dom=>''} containing:
+# own name, domain if user is au
+# name, domain of parent author if user is ca or aa
+#empty return if user is not an author or not on homeserver
+#
+#TODO this should probably be moved somewhere more central
+#since it can be used by different parts of the system
+sub getauthor{
+ return unless $env{'request.role'}=~/^(ca|aa|au)/; #nothing to do if user isn't some kind of author
+
+ #co- or assistent author?
+ my ($dom, $user) = ($env{'request.role'} =~ /^(?:ca|aa)\.\/($match_domain)\/($match_username)$/)
+ ? ($1, $2) #domain, username of the parent author
+ : @env{ ('request.role.domain', 'user.name') }; #own domain, username
+
+ # current server == home server?
+ my $home = &Apache::lonnet::homeserver($user,$dom);
+ foreach (&Apache::lonnet::current_machine_ids()){
+ return {user => $user, dom => $dom} if $_ eq $home;
}
- if ($env{'request.course.id'}) {
- $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
- $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
- my %coursegroups;
- my $viewgrps_permission =
- &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
- if (!$viewgrps_permission) {
- %coursegroups = &Apache::lonnet::get_active_groups($env{'user.domain'},$env{'user.name'},$cdom,$cnum);
- }
- if ((keys(%coursegroups) > 0) || ($viewgrps_permission)) {
- $showgroups = 1;
- }
- $role_selector = &roles_selector($cdom,$cnum);
- if ($role_selector) {
- $roles = ''.$role_selector.' '.$lt{'other'}.'';
+
+ # if wrong server
+ return;
+}
+
+
+sub secondary_menu {
+ my $menu;
+
+ my $crstype = &Apache::loncommon::course_type();
+ my $crs_sec = $env{'request.course.id'} . ($env{'request.course.sec'}
+ ? "/$env{'request.course.sec'}"
+ : '');
+ my $canedit = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
+ my $canviewgrps = &Apache::lonnet::allowed('vcg', $crs_sec);
+ my $author = getauthor();
+
+ my $showlink = &show_return_link();
+ my %groups = &Apache::lonnet::get_active_groups(
+ $env{'user.domain'}, $env{'user.name'},
+ $env{'course.' . $env{'request.course.id'} . '.domain'},
+ $env{'course.' . $env{'request.course.id'} . '.num'});
+ foreach my $menuitem (@secondary_menu) {
+ # evaluate conditions
+ next if ref($menuitem) ne 'ARRAY';
+ next if $$menuitem[4] ne 'always'
+ && $$menuitem[4] ne 'author'
+ && !$env{'request.course.id'};
+ next if $$menuitem[4] eq 'showreturn'
+ && !$showlink
+ && !($env{'request.state'} eq 'construct');
+ next if $$menuitem[4] =~ /^mdc/
+ && !$canedit;
+ next if $$menuitem[4] eq 'mdcCourse'
+ && $crstype eq 'Community';
+ next if $$menuitem[4] eq 'mdcCommunity'
+ && $crstype ne 'Community';
+ next if $$menuitem[4] =~ /^remotenav/
+ && $env{'environment.remotenavmap'} ne 'on';
+ next if $$menuitem[4] =~ /noremotenav/
+ && $env{'environment.remotenavmap'} eq 'on';
+ next if $$menuitem[4] =~ /^(no|)remotenav$/
+ && $crstype eq 'Community';
+ next if $$menuitem[4] =~ /^(no|)remotenavCommunity$/
+ && $crstype ne 'Community';
+ next if $$menuitem[4] =~ /showgroups$/
+ && !$canviewgrps
+ && !%groups;
+ next if $$menuitem[4] eq 'author'
+ && !$author;
+
+ if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
+ # special treatment for role selector
+ my $roles_selector = &roles_selector(
+ $env{'course.' . $env{'request.course.id'} . '.domain'},
+ $env{'course.' . $env{'request.course.id'} . '.num'} );
+
+ $menu .= $roles_selector ? "$roles_selector"
+ : '';
+ } elsif ($env{'environment.remotenavmap'} eq 'on') {
+ # open link using javascript when remote navmap is activated
+ my @items = @{$menuitem};
+ if ($menuitem->[4] eq 'remotenav') {
+ $items[0] = "javascript:gonav('$menuitem->[0]');";
+ } else {
+ $items[0] = "javascript:go('$menuitem->[0]');";
+ }
+ $menu .= &prep_menuitem(\@items);
+ } else {
+ $menu .= &prep_menuitem(\@$menuitem);
}
}
+ if ($menu =~ /\[url\].*\[symb\]/) {
+ my $escurl = &escape( &Apache::lonenc::check_encrypt(
+ $env{'request.noversionuri'}));
- if ($env{'environment.remote'} eq 'off') {
-# Remote Control is switched off
-# figure out colors
- my %lt=&initlittle();
-
- my $domain=&Apache::loncommon::determinedomain();
- my $function =&Apache::loncommon::get_users_function();
- my $link=&Apache::loncommon::designparm($function.'.link',$domain);
- my $alink=&Apache::loncommon::designparm($function.'.alink',$domain);
- my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain);
- my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
-
- if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
- return (<