--- loncom/interface/lonmenu.pm 2011/11/27 22:51:28 1.363 +++ loncom/interface/lonmenu.pm 2012/05/25 23:47:16 1.369.2.8 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Routines to control the menu # -# $Id: lonmenu.pm,v 1.363 2011/11/27 22:51:28 www Exp $ +# $Id: lonmenu.pm,v 1.369.2.8 2012/05/25 23:47:16 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -26,8 +26,6 @@ # http://www.lon-capa.org/ # # -# There is one parameter controlling the action of this module: -# =head1 NAME @@ -35,7 +33,8 @@ Apache::lonmenu =head1 SYNOPSIS -Coordinates the response to clicking an image. +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. @@ -74,10 +73,19 @@ It is set to 'done' in the BEGIN block o =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. +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 @@ -107,6 +115,18 @@ entries from mydesk.tab 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
  • tag for top- +level item, which employs jQuery to handle behavior on mouseover. + +Inputs: 4 - (a) link and (b) target for anchor href in top level item, + (c) title for text wrapped by anchor tag in top level item. + (d) reference to array of arrays of sub-menu items. + =item innerregister() This gets called in order to register a URL in the body of the document @@ -129,6 +149,9 @@ The javascript is usually similar to "go =item utilityfunctions() +Output from this routine is a number of javascript functions called by +items in the inline menu, and in some cases items in the Main Menu page. + =item serverform() =item constspaceform() @@ -159,7 +182,7 @@ use HTML::Entities(); use Apache::lonwishlist(); use vars qw(@desklines %category_names %category_members %category_positions - $readdesk @primary_menu @secondary_menu); + $readdesk @primary_menu %primary_submenu @secondary_menu %secondary_submenu); my @inlineremote; @@ -182,7 +205,7 @@ sub prep_menuitem { # primary_menu() evaluates @primary_menu and returns XHTML for the menu # that contains following links: -# About, Message, Roles, Help, Logout +# About, Message, Personal, Roles, Help, Logout # @primary_menu is filled within the BEGIN block of this module with # entries from mydesk.tab sub primary_menu { @@ -212,8 +235,35 @@ sub primary_menu { next if $$menuitem[4] eq 'courses' ##'Roles' wanted && !&Apache::loncommon::show_course(); ## - - if ($$menuitem[3] eq 'Help') { # special treatment for helplink + my $title = $menuitem->[3]; + if (defined($primary_submenu{$title})) { + my ($link,$target); + if ($menuitem->[0] ne '') { + $link = $menuitem->[0]; + $target = '_top'; + } else { + $link = '#'; + } + my @primsub; + if (ref($primary_submenu{$title}) eq 'ARRAY') { + foreach my $item (@{$primary_submenu{$title}}) { + next if (($item->[2] eq 'wishlist') && + ((!&Apache::lonnet::allowed('bre',"/res/$env{'user.domain'}/")) && + (!&Apache::lonnet::allowed('bro',"/res/$env{'user.domain'}/")))); + next if (($item->[2] eq 'reqcrs') && (!&check_for_rcrs())); + next if ((($item->[2] eq 'portfolio') || + ($item->[2] eq 'blog')) && + (!&Apache::lonnet::usertools_access('','',$item->[2], + undef,'tools'))); + push(@primsub,$item); + } + if (@primsub > 0) { + $menu .= &create_submenu($link,$target,$title,\@primsub); + } elsif ($link) { + $menu .= '
  • '.&mt($title).'
    • '; + } + } + } elsif ($$menuitem[3] eq 'Help') { # special treatment for helplink if ($public) { my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; my $defdom = &Apache::lonnet::default_login_domain(); @@ -269,12 +319,13 @@ sub secondary_menu { ? "/$env{'request.course.sec'}" : ''); my $canedit = &Apache::lonnet::allowed('mdc', $env{'request.course.id'}); - my $canviewgrps = &Apache::lonnet::allowed('vcg', $crs_sec); - my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec); - my $canviewwnew = &Apache::lonnet::allowed('whn', $crs_sec); + my $canviewroster = $env{'course.'.$env{'request.course.id'}.'.student_classlist_view'}; + my $canviewgrps = &Apache::lonnet::allowed('vcg', $crs_sec); + my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec); + my $canviewwnew = &Apache::lonnet::allowed('whn', $crs_sec); my $canmodpara = &Apache::lonnet::allowed('opa', $crs_sec); my $canvgr = &Apache::lonnet::allowed('vgr', $crs_sec); - my $canmgr = &Apache::lonnet::allowed('mgr', $crs_sec); + my $canmgr = &Apache::lonnet::allowed('mgr', $crs_sec); my $author = &getauthor(); my %groups = &Apache::lonnet::get_active_groups( @@ -290,6 +341,10 @@ sub secondary_menu { && !$env{'request.course.id'}; next if $$menuitem[4] =~ /^mdc/ && !$canedit; + next if $$menuitem[4] eq 'mdcCourse' + && ($crstype eq 'Community'); + next if $$menuitem[4] eq 'mdcCommunity' + && ($crstype eq 'Course'); next if $$menuitem[4] eq 'nvgr' && $canvgr; next if $$menuitem[4] eq 'vgr' @@ -297,7 +352,7 @@ sub secondary_menu { next if $$menuitem[4] eq 'cst' && !$canmodifyuser; next if $$menuitem[4] eq 'ncst' - && $canmodifyuser; + && ($canmodifyuser || !$canviewroster); next if $$menuitem[4] eq 'mgr' && !$canmgr; next if $$menuitem[4] eq 'nmgr' @@ -306,19 +361,45 @@ sub secondary_menu { && !$canviewwnew; next if $$menuitem[4] eq 'opa' && !$canmodpara; - next if $$menuitem[4] =~ /showgroups$/ - && !$canviewgrps - && !%groups; + next if $$menuitem[4] eq 'nvcg' + && ($canviewgrps || !%groups); next if $$menuitem[4] eq 'author' && !$author; - if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) { + my $title = $menuitem->[3]; + if (defined($secondary_submenu{$title})) { + my ($link,$target); + if ($menuitem->[0] ne '') { + $link = $menuitem->[0]; + $target = '_top'; + } else { + $link = '#'; + } + my @scndsub; + if (ref($secondary_submenu{$title}) eq 'ARRAY') { + foreach my $item (@{$secondary_submenu{$title}}) { + if (ref($item) eq 'ARRAY') { + next if ($item->[2] eq 'vgr' && !$canvgr); + next if ($item->[2] eq 'opa' && !$canmodpara); + next if ($item->[2] eq 'cst' && !$canmodifyuser); + next if ($item->[2] eq 'mgr' && !$canmgr); + next if ($item->[2] eq 'vcg' && !$canviewgrps); + push(@scndsub,$item); + } + } + if (@scndsub > 0) { + $menu .= &create_submenu($link,$target,$title,\@scndsub); + } elsif ($link) { + $menu .= '
  • '.&mt($title).'
    • '; + } + } + } elsif ($$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
    • " + $menu .= $roles_selector ? "
  • $roles_selector
    • " : ''; } else { $menu .= &prep_menuitem(\@$menuitem); @@ -348,6 +429,34 @@ sub secondary_menu { return ""; } +sub create_submenu { + my ($link,$target,$title,$submenu) = @_; + return unless (ref($submenu) eq 'ARRAY'); + my $menu = '
  • '. + ''. + ''.&mt($title). + ''. + ' ▼'. + '
    • '; + return $menu; +} + sub innerregister { my ($forcereg,$bread_crumbs) = @_; my $const_space = ($env{'request.state'} eq 'construct'); @@ -633,7 +742,7 @@ ENDMENUITEMS # wishlist is only available for users with access to resource-pool # and links can only be set for resources within the resource-pool $menuitems .= (<'); + } +# +# The Remote actually gets launched! +# + my $configmenu=&rawconfig(); + my $esclowerurl=&escape($lowerurl); + my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited'); + return(< +// + +ENDREMOTESTARTUP +} + +sub setflags() { + return(< +// + +ENDSETFLAGS +} + +sub maincall() { + if ($env{'environment.remote'} eq 'off') { return ''; } + return(< +// + +ENDMAINCALL +} + +sub load_remote_msg { + my ($lowerurl)=@_; + + if ($env{'environment.remote'} eq 'off') { return ''; } + + my $esclowerurl=&escape($lowerurl); + my $link=&mt('[_1]Continue[_2] on in Inline Menu mode' + ,'' + ,''); + return(< +
    + +
    +

    +

    $link

    +ENDREMOTEFORM +} + +sub get_menu_name { + my $hostid = $Apache::lonnet::perlvar{'lonHostID'}; + $hostid =~ s/\W//g; + return 'LCmenu'.$hostid; +} + + +sub reopenmenu { + if ($env{'environment.remote'} eq 'off') { return ''; } + my $menuname = &get_menu_name(); + my $nothing = &Apache::lonhtmlcommon::javascript_nothing(); + return('window.open('.$nothing.',"'.$menuname.'","",false);'); +} + + +sub open { + my $returnval=''; + if ($env{'environment.remote'} eq 'off') { + return + ''; + } + my $menuname = &get_menu_name(); + +# unless (shift eq 'unix') { +# resizing does not work on linux because of virtual desktop sizes +# $returnval.=(< +ENDOPEN + return ''; +} + + # ================================================================== Raw Config sub clear { @@ -1076,6 +1343,28 @@ sub check_for_rcrs { return $showreqcrs; } +# ======================================================================= Close + +sub close { + if ($env{'environment.remote'} eq 'off') { return ''; } + my $menuname = &get_menu_name(); + return(< +// + +ENDCLOSE +} + sub dc_popup_js { my %lt = &Apache::lonlocal::texthash( more => '(More ...)', @@ -1087,13 +1376,13 @@ function showCourseID() { document.getElementById('dccid').style.display='block'; document.getElementById('dccid').style.textAlign='left'; document.getElementById('dccid').style.textFace='normal'; - document.getElementById('dccidtext').innerHTML ='$lt{'less'}'; + document.getElementById('dccidtext').innerHTML ='$lt{'less'}'; return; } function hideCourseID() { document.getElementById('dccid').style.display='none'; - document.getElementById('dccidtext').innerHTML ='$lt{'more'}'; + document.getElementById('dccidtext').innerHTML ='$lt{'more'}'; return; } @@ -1132,12 +1421,14 @@ sub utilityfunctions { my $confirm_switch = &mt("Editing requires switching to the resource's home server.").'\n'. &mt('Switch server?'); + my $esc_url=&escape($currenturl); + my $esc_symb=&escape($currentsymb); return (< 'cst', '/adm/trackstudent' => 'vsa', '/adm/statistics' => 'vgr', + '/adm/setblock' => 'dcm', + '/adm/coursedocs' => 'mdc', }; unless ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'spreadsheet') { - $privs->{'/adm/classcalc'} => 'vgr', - $privs->{'/adm/assesscalc'} => 'vgr', - $privs->{'/adm/studentcalc'} => 'vgr'; + $privs->{'/adm/classcalc'} = 'vgr', + $privs->{'/adm/assesscalc'} = 'vgr', + $privs->{'/adm/studentcalc'} = 'vgr'; } return $privs; } @@ -1695,9 +1990,15 @@ BEGIN { } elsif ($configline=~/^prim\:/) { my @entries = (split(/\:/, $configline))[1..5]; push @primary_menu, \@entries; + } elsif ($configline=~/^primsub\:/) { + my ($parent,@entries) = (split(/\:/, $configline))[1..4]; + push (@{$primary_submenu{$parent}},\@entries); } elsif ($configline=~/^scnd\:/) { my @entries = (split(/\:/, $configline))[1..5]; push @secondary_menu, \@entries; + } elsif ($configline=~/^scndsub\:/) { + my ($parent,@entries) = (split(/\:/, $configline))[1..4]; + push (@{$secondary_submenu{$parent}},\@entries); } elsif ($configline) { push(@desklines,$configline); }