--- loncom/interface/lonmenu.pm 2008/05/30 20:24:25 1.236 +++ loncom/interface/lonmenu.pm 2021/03/08 02:34:20 1.369.2.79.4.1 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Routines to control the menu # -# $Id: lonmenu.pm,v 1.236 2008/05/30 20:24:25 bisitz Exp $ +# $Id: lonmenu.pm,v 1.369.2.79.4.1 2021/03/08 02:34:20 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -26,15 +26,200 @@ # http://www.lon-capa.org/ # # -# There are two parameters controlling the action of this module: -# -# browser.interface - if this is 'textual', it overrides the second parameter -# and goes to screen reader PDA mode -# -# environment.remote - if this is 'on', the routines controll the remote -# control, otherwise they render the main window controls; ignored it -# browser.interface is 'textual' -# + +=head1 NAME + +Apache::lonmenu + +=head1 SYNOPSIS + +Loads contents of /home/httpd/lonTabs/mydesk.tab, +used to generate inline menu, and Main Menu page. + +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 %primary_sub_menu + +The keys of this hash reference are the names of items in the primary_menu array +which have sub-menus. For each key, the corresponding value is a reference to +an array containing components extracted from lines in mydesk.tab which begin +with primsub:. +This hash, which is used by primary_menu to generate sub-menus, is populated in +the BEGIN block. + +=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 + +=item prep_menuitems(\@menuitem) + +This routine wraps a menuitem in proper HTML. It is used by primary_menu() and +secondary_menu(). + +=item primary_menu() + +This routine evaluates @primary_menu and returns a two item array, +with the array elements containing XHTML for the left and right sides of +the menu that contains the following links: About, Message, Roles, Help, Logout +@primary_menu is filled within the BEGIN block of this module with +entries from mydesk.tab + +=item secondary_menu() + +Same as primary_menu() but operates on @secondary_menu. + +=item create_submenu() + +Creates XHTML for unordered list of sub-menu items which belong to a +particular top-level menu item. Uses hover pseudo class in css to display +dropdown list when mouse hovers over top-level item. Support for IE6 +(no hover psuedo class) via LC_hoverable class for
$lt{'main'} | -$reloadlink -$navmaps -$docs -$groups -$remote -$roles -$helplink | -$lt{'exit'} | -
'; + $menu .= '
- '. - &mt('You have new messages').' | '; - } else { - $newmail= 'swmenu.setstatus("you have","messages");'; - } - } - if (($textual) - && ($env{'request.symb'}) - && ($env{'request.course.id'})) { - $newmail.= ''; - my ($mapurl,$rid,$resurl)= - &Apache::lonnet::decode_symb(&Apache::lonnet::symbread()); - my $coursetitle=$env{'course.'.$env{'request.course.id'}.'.description'}; - $newmail.=$coursetitle; - my $maptitle=&Apache::lonnet::gettitle($mapurl); - my $restitle=&Apache::lonnet::gettitle(&Apache::lonnet::symbread()); - if ($maptitle && ($maptitle ne 'default.sequence') && ($maptitle ne $coursetitle)) { - $newmail.=', '.$maptitle; - } - if ($restitle) { - $newmail.=': '.$restitle; + + my ($mapurl,$resurl,$crstype,$navmap); + + if ($env{'request.course.id'}) { +# +#course_type: Course or Community +# + $crstype = &Apache::loncommon::course_type(); + if ($env{'request.symb'}) { + my $ignorenull; + unless ($env{'request.noversionuri'} eq '/adm/navmaps') { + $ignorenull = 1; + } + my $symb = &Apache::lonnet::symbread('','',$ignorenull); + ($mapurl, my $rid, $resurl) = &Apache::lonnet::decode_symb($symb); + my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'}; + + my $maptitle = &Apache::lonnet::gettitle($mapurl); + my $restitle = &Apache::lonnet::gettitle($symb); + + my (@crumbs,@mapcrumbs); + if (($env{'request.noversionuri'} ne '/adm/navmaps') && ($mapurl ne '') && + ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'})) { + $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + @mapcrumbs = $navmap->recursed_crumbs($mapurl,$restitle); + } + } + unless (($forcereg) && + ($env{'request.noversionuri'} eq '/adm/navmaps') && + ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) { + @crumbs = ({text => $crstype.' Contents', + href => "Javascript:gopost('/adm/navmaps','')"}); + } + if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { + if (@mapcrumbs) { + push(@crumbs,@mapcrumbs); + } else { + push(@crumbs, {text => '...', + no_mt => 1}); + } + } + + unless ((@mapcrumbs) || (!$maptitle) || ($maptitle eq 'default.sequence') || + ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) { + push @crumbs, {text => $maptitle, no_mt => 1, + href => &Apache::lonnet::clutter($mapurl).'?navmap=1'}; + } + if ($restitle && !@mapcrumbs) { + push(@crumbs,{text => $restitle, no_mt => 1}); + } + my @tools; + if ($env{'request.filename'} =~ /\.page$/) { + my %breadcrumb_tools = &Apache::lonhtmlcommon::current_breadcrumb_tools(); + if (ref($breadcrumb_tools{'tools'}) eq 'ARRAY') { + @tools = @{$breadcrumb_tools{'tools'}}; + } + } + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb(@crumbs); + if (@tools) { + &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',@tools); + } + } else { + $resurl = $env{'request.noversionuri'}; + my $courseurl = &Apache::lonnet::courseid_to_courseurl($env{'request.course.id'}); + my $title = &mt('View Resource'); + if ($resurl =~ m{^\Q/uploaded$courseurl/supplemental/\E(default|\d+)/}) { + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folderpath','title']); + &Apache::lonhtmlcommon::clear_breadcrumbs(); + if ($env{'form.title'}) { + $title = $env{'form.title'}; + } + my $trail; + if ($env{'form.folderpath'}) { + &prepare_functions($resurl,$forcereg,$group,undef,undef,1,$hostname); + ($trail) = + &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1); + } else { + &Apache::lonhtmlcommon::add_breadcrumb( + {text => "Supplemental $crstype Content", + href => "javascript:gopost('/adm/supplemental','')"}); + $title = &mt('View Resource'); + ($trail) = + &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1); + } + return $trail; + } elsif ($resurl =~ m{^\Q/uploaded$courseurl/portfolio/syllabus/}) { + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &prepare_functions('/public'.$courseurl."/syllabus", + $forcereg,$group,undef,undef,1,$hostname); + $title = &mt('Syllabus File'); + my ($trail) = + &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1,$hostname); + return $trail; + } + unless ($env{'request.state'} eq 'construct') { + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'}); + } + } + } elsif (! $const_space){ + #a situation when we're looking at a resource outside of context of a + #course or construction space (e.g. with cumulative rights) + &Apache::lonhtmlcommon::clear_breadcrumbs(); + unless ($env{'request.noversionuri'} =~ m{^/adm/$match_domain/$match_username/aboutme$}) { + &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'}); } - $newmail.=' | '; - } - if ($env{'request.state'} eq 'construct') { - $newmail = $titletable; - } else { - if ($noremote) { - $newmail.='