--- loncom/interface/lonmenu.pm 2003/02/13 18:11:26 1.34 +++ loncom/interface/lonmenu.pm 2012/05/23 00:29:22 1.369.2.5 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Routines to control the menu # -# $Id: lonmenu.pm,v 1.34 2003/02/13 18:11:26 www Exp $ +# $Id: lonmenu.pm,v 1.369.2.5 2012/05/23 00:29:22 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,313 +25,2011 @@ # # http://www.lon-capa.org/ # -# (TeX Conversion Module # -# 05/29/00,05/30 Gerd Kortemeyer) -# -# 10/05,05/28,05/30,06/01,06/08,06/09,07/04,08/07 Gerd Kortemeyer -# 02/15/02 Matthew Hall + +=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 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 + +=item secondary_menu() + +Same as primary_menu() but operates on @secondary_menu. + +=item innerregister() + +This gets called in order to register a URL in the body of the document + +=item clear() + +=item switch() + +Switch a button or create a link +Switch acts on the javascript that is executed when a button is clicked. +The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)". + +=item secondlevel() + +=item openmenu() + +=item inlinemenu() + +=item rawconfig() + +=item utilityfunctions() + +=item serverform() + +=item constspaceform() + +=item get_nav_status() + +=item hidden_button_check() + +=item roles_selector() + +=item jump_to_role() + +=back + +=cut package Apache::lonmenu; use strict; use Apache::lonnet; -use Apache::Constants qw(:common); -use Apache::loncommon; -use Apache::File; -use vars qw(@desklines $readdesk); +use Apache::lonhtmlcommon(); +use Apache::loncommon(); +use Apache::lonenc(); +use Apache::lonlocal; +use Apache::lonmsg(); +use LONCAPA qw(:DEFAULT :match); +use HTML::Entities(); + +use vars qw(@desklines %category_names %category_members %category_positions + $readdesk @primary_menu %primary_submenu @secondary_menu %secondary_submenu); + +my @inlineremote; + +sub prep_menuitem { + my ($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, Personal, 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(); ## + + my $title = $menuitem->[3]; + if (defined($primary_submenu{$title})) { + my ($link,$target,$numsub); + if ($menuitem->[0] ne '') { + $link = $menuitem->[0]; + $target = '_top'; + } else { + $link = '#'; + } + if (ref($primary_submenu{$title}) eq 'ARRAY') { + $numsub = @{$primary_submenu{$title}}; + if ($numsub) { + $title = + ''.$title. + ''. + ' ▼'; + } + } + $menu .= '
  • '. + ''.$title.''; + if ($numsub) { + $menu .= ''; + } + $menu .= '
    • '; + } elsif ($$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); + } + } + $menu =~ s/\[domain\]/$env{'user.domain'}/g; + $menu =~ s/\[user\]/$env{'user.name'}/g; + + return "
      $menu
    "; +} + +#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 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 $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 $author = &getauthor(); + + 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 $$menuitem[4] =~ /^mdc/ + && !$canedit; + next if $$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 $$menuitem[4] eq 'vgr' + && !$canvgr; + next if $$menuitem[4] eq 'cst' + && !$canmodifyuser; + next if $$menuitem[4] eq 'ncst' + && ($canmodifyuser || !$canviewroster); + next if $$menuitem[4] eq 'mgr' + && !$canmgr; + next if $$menuitem[4] eq 'nmgr' + && $canmgr; + next if $$menuitem[4] eq 'whn' + && !$canviewwnew; + next if $$menuitem[4] eq 'opa' + && !$canmodpara; + next if $$menuitem[4] eq 'nvcg' + && ($canviewgrps || !%groups); + next if $$menuitem[4] eq 'author' + && !$author; + + my $title = $menuitem->[3]; + if (defined($secondary_submenu{$title})) { + my ($link,$target,$numsub); + if ($menuitem->[0] ne '') { + $link = $menuitem->[0]; + $target = '_top'; + } else { + $link = '#'; + } + + my @scndsub; + if (ref($secondary_submenu{$title}) eq 'ARRAY') { + $numsub = 0; + foreach my $item (@{$secondary_submenu{$title}}) { + if (ref($item) eq 'ARRAY') { + next if ($item->[2] eq 'vgr' && !$canvgr); + next if ($item->[2] eq 'opa' && !$canmodpara); + next if ($item->[2] eq 'cst' && !$canmodifyuser); + next if ($item->[2] eq 'mgr' && !$canmgr); + next if ($item->[2] eq 'vcg' && !$canviewgrps); + push(@scndsub,$item); + $numsub ++; + } + } + if ($numsub) { + $title = + ''.$title. + ''. + ' ▼'; + } + } + $menu .= '
  • '. + ''.$title.''; + if ($numsub) { + $menu .= ''; + } + $menu .= '
    • '; + } elsif ($$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
    • " + : ''; + } else { + $menu .= &prep_menuitem(\@$menuitem); + } + } + if ($menu =~ /\[url\].*\[symb\]/) { + my $escurl = &escape( &Apache::lonenc::check_encrypt( + $env{'request.noversionuri'})); + + my $escsymb = &escape( &Apache::lonenc::check_encrypt( + $env{'request.symb'})); + + if ( $env{'request.state'} eq 'construct' + and ( $env{'request.noversionuri'} eq '' + || !defined($env{'request.noversionuri'}))) + { + my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; + ($escurl = $env{'request.filename'}) =~ s{^\Q$londocroot\E}{}; + $escurl = &escape($escurl); + } + $menu =~ s/\[url\]/$escurl/g; + $menu =~ s/\[symb\]/$escsymb/g; + } + $menu =~ s/\[uname\]/$$author{user}/g; + $menu =~ s/\[udom\]/$$author{dom}/g; + + return ""; +} + +sub innerregister { + my ($forcereg,$bread_crumbs) = @_; + my $const_space = ($env{'request.state'} eq 'construct'); + my $is_const_dir = 0; + + if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; } + + $env{'request.registered'} = 1; + + undef(@inlineremote); + + my $resurl; + if ( $env{'request.symb'} && $env{'request.course.id'} ) { + + (my $mapurl, my $rid, $resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread()); + my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'}; -# ============================================================= Start up remote + my $maptitle = &Apache::lonnet::gettitle($mapurl); + my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread()); + +#SD +#course_type only Course and Community? +# + my @crumbs; + unless (($forcereg) && ($env{'request.noversionuri'} eq '/adm/navmaps') + && ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) { + @crumbs = ({text => Apache::loncommon::course_type() + . ' Contents', + href => "Javascript:gopost('/adm/navmaps','')"}); + } + if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { + push(@crumbs, {text => '...', + no_mt => 1}); + } + + push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle + && $maptitle ne 'default.sequence' + && $maptitle ne $coursetitle); + + push @crumbs, {text => $restitle, no_mt => 1} if $restitle; + + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb(@crumbs); + }elsif (! $const_space){ + #a situation when we're looking at a resource outside of context of a + #course or construction space (e.g. with cumulative rights) + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'}); + } +# ============================================================================= +# ============================ This is for URLs that actually can be registered + return '' unless ( ($env{'request.noversionuri'}!~m{^/(res/)*adm/}) + || $forcereg ); + +# -- This applies to homework problems for users with grading privileges + my $crs='/'.$env{'request.course.id'}; + if ($env{'request.course.sec'}) { + $crs.='_'.$env{'request.course.sec'}; + } + $crs=~s/\_/\//g; + + my $hwkadd=''; + if ($env{'request.symb'} ne '' && + $env{'request.filename'}=~/$LONCAPA::assess_re/) { + if (&Apache::lonnet::allowed('mgr',$crs)) { + $hwkadd.=&switch('','',7,2,'pgrd.png','Content Grades','grades[_4]', + "gocmd('/adm/grades','gradingmenu')", + 'Content Grades'); + } elsif (&Apache::lonnet::allowed('vgr',$crs)) { + $hwkadd.=&switch('','',7,2,'subm.png','Content Submissions','missions[_1]', + "gocmd('/adm/grades','submission')", + 'Content Submissions'); + } + } + if ($env{'request.symb'} ne '' && + &Apache::lonnet::allowed('opa',$crs)) { + $hwkadd.=&switch('','',7,3,'pparm.png','Content Settings','parms[_2]', + "gocmd('/adm/parmset','set')", + 'Content Settings'); + } + if ($env{'request.symb'}=~/^uploaded/ && + &Apache::lonnet::allowed('mdc',$crs)) { + $hwkadd.=&switch('','',7,4,'docs.png','Folder/Page Content','parms[_2]', + "gocmd('/adm/coursedocs','direct')", + 'Folder/Page Content'); + } +# -- End Homework + ### + ### Determine whether or not to display the 'cstr' button for this + ### resource + ### + my $editbutton = ''; + my $noeditbutton = 1; + my ($cnum,$cdom); + if ($env{'request.course.id'}) { + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + } + if ($env{'user.author'}) { + if ($env{'request.role'}=~/^(aa|ca|au)/) { +# +# We have the role of an author +# + # Set defaults for authors + my ($top,$bottom) = ('con-','struct'); + my $action = "go('/priv/".$env{'user.domain'}.'/'.$env{'user.name'}."');"; + my $cadom = $env{'request.role.domain'}; + my $caname = $env{'user.name'}; + my $desc = "Enter my construction space"; + # Set defaults for co-authors + if ($env{'request.role'} =~ /^ca/) { + ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/); + ($top,$bottom) = ('co con-','struct'); + $action = "go('/priv/".$cadom.'/'.$caname."');"; + $desc = "Enter construction space as co-author"; + } elsif ($env{'request.role'} =~ /^aa/) { + ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/); + ($top,$bottom) = ('co con-','struct'); + $action = "go('/priv/".$cadom.'/'.$caname."');"; + $desc = "Enter construction space as assistant co-author"; + } + # Check that we are on the correct machine + my $home = &Apache::lonnet::homeserver($caname,$cadom); + my $allowed=0; + my @ids=&Apache::lonnet::current_machine_ids(); + foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } } + if (!$allowed) { + $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc); + $noeditbutton = 0; + } + } +# +# We are an author for some stuff, but currently do not have the role of author. +# Figure out if we have authoring privileges for the resource we are looking at. +# This should maybe become a privilege check in lonnet +# + ## + ## Determine if user can edit url. + ## + my $cfile=''; + my $cfuname=''; + my $cfudom=''; + my $uploaded; + my $switchserver=''; + my $home; + if ($env{'request.filename'}) { + my $file=&Apache::lonnet::declutter($env{'request.filename'}); + if (defined($cnum) && defined($cdom)) { + $uploaded = &is_course_upload($file,$cnum,$cdom); + } + if (!$uploaded) { + + $file=~s{^(priv/$match_domain/$match_username)}{/$1}; + $file=~s{^($match_domain/$match_username)}{/priv/$1}; + + # Check that the user has permission to edit this resource + my $setpriv = 1; + ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$setpriv); + if (defined($cfudom)) { + $home=&Apache::lonnet::homeserver($cfuname,$cfudom); + my $allowed=0; + my @ids=&Apache::lonnet::current_machine_ids(); + foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } } + if ($allowed) { + $cfile=$file; + } else { + $switchserver=$file; + } + } + } + } + # Finally, turn the button on or off + if (($cfile || $switchserver) && !$const_space) { + my $nocrsedit; + # Suppress display where CC has switched to student role. + if ($env{'request.course.id'}) { + unless(&Apache::lonnet::allowed('mdc', + $env{'request.course.id'})) { + $nocrsedit = 1; + } + } + if ($nocrsedit) { + $editbutton=&clear(6,1); + } else { + my $bot = "go('$cfile')"; + if ($switchserver) { + if ( $env{'request.symb'} && $env{'request.course.id'} ) { + $cfile = '/adm/switchserver?otherserver='.$home.'&role='. + &HTML::Entities::encode($env{'request.role'},'"<>&').'&symb='. + &HTML::Entities::encode($env{'request.symb'},'"<>&'); + $bot = "need_switchserver('$cfile');"; + } + } + $editbutton=&switch + ('','',6,1,'pcstr.png','Edit','resource[_2]', + $bot,"Edit this resource"); + $noeditbutton = 0; + } + } elsif ($editbutton eq '') { + $editbutton=&clear(6,1); + } + } + if (($noeditbutton) && ($env{'request.filename'})) { + if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) { + my $file=&Apache::lonnet::declutter($env{'request.filename'}); + if (defined($cnum) && defined($cdom)) { + if (&is_course_upload($file,$cnum,$cdom)) { + my $cfile = &edit_course_upload($file,$cnum,$cdom); + if ($cfile) { + $editbutton=&switch + ('','',6,1,'pcstr.png','Edit', + 'resource[_2]',"go('".$cfile."');", + 'Edit this resource'); + } + } + } + } + } + if ($env{'request.course.id'}) { + if ($resurl eq "public/$cdom/$cnum/syllabus") { + if ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ /\w/) { + if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) { + $editbutton=&switch('','',6,1,'pcstr.png','Edit', + 'resource[_2]', + "go('/adm/courseprefs?phase=display&actions=courseinfo')", + 'Edit this resource'); + } + } + } + } + ### + ### +# Prepare the rest of the buttons + my $menuitems; + if ($const_space) { +# +# We are in construction space +# + + my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; + my ($udom,$uname,$thisdisfn) = + ($env{'request.filename'}=~m{^\Q$londocroot/priv/\E([^/]+)/([^/]+)/(.*)$}); + my $currdir = '/priv/'.$udom.'/'.$uname.'/'.$thisdisfn; + if ($currdir =~ m-/$-) { + $is_const_dir = 1; + } else { + $currdir =~ s|[^/]+$||; + my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn); + my $esc_currdir = &Apache::loncommon::escape_single($currdir); +# +# Probably should be in mydesk.tab +# + $menuitems=(< 0){ + $menuitems.="anot2.png"; +}else{ + $menuitems.="anot.png"; +} +$menuitems.="&Notes&&annotate()&"; +$menuitems.="Make notes and annotations about this resource&&1\n"; + + unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme|viewclasslist|portfolio)(\?|$)/) { + if ((!$env{'request.enc'}) && ($env{'request.noversionuri'} !~ m{^/adm/wrapper/ext/})) { + $menuitems.=(<&'); + } + } + return $cfile; +} sub startupremote { my ($lowerurl)=@_; - if ($ENV{'browser.interface'} eq 'textual') { + if ($env{'environment.remote'} eq 'off') { return (''); } +# +# 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{'browser.interface'} eq 'textual') { return ''; } + if ($env{'environment.remote'} eq 'off') { return ''; } return(< + ENDMAINCALL } -# ================================================================= Reopen menu + +sub load_remote_msg { + my ($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 { - my $nothing=''; - if ($ENV{'browser.interface'} eq 'textual') { return ''; } - my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; - if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; } - return('window.open("'.$nothing.'","'.$menuname.'","",false);'); -} + if ($env{'environment.remote'} eq 'off') { return ''; } + my $menuname = &get_menu_name(); + my $nothing = &Apache::lonhtmlcommon::javascript_nothing(); + return('window.open('.$nothing.',"'.$menuname.'","",false);'); +} -# =============================================================== Open the menu sub open { my $returnval=''; - if ($ENV{'browser.interface'} eq 'textual') { return ''; } - my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; - unless (shift eq 'unix') { + 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 - $returnval.=(< ENDOPEN - return ''; + return ''; } -# ============================================================ Switch Menu Item - -sub switchmenu { - my ($row,$col,$imgsrc,$texttop,$textbot,$action,$description)=@_; - if ($ENV{'browser.interface'} eq 'textual') { return ''; } - my $openwin=&openmenu(); - return(< - var swmenu=$openwin - swmenu.switchbutton($row,$col,"$imgsrc","$texttop","$textbot","$action","$description"); - -ENDSMENU -} # ================================================================== Raw Config sub clear { my ($row,$col)=@_; - unless ($ENV{'browser.interface'} eq 'textual') { - return qq(swmenu.clearbut($row,$col);); - } else { return ''; } + $inlineremote[10*$row+$col]=''; + return ''; } +# ============================================ Switch a button or create a link # Switch acts on the javascript that is executed when a button is clicked. # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)". + sub switch { - my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc)=@_; + my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_; $act=~s/\$uname/$uname/g; $act=~s/\$udom/$udom/g; - unless ($ENV{'browser.interface'} eq 'textual') { - return "\n". - qq(swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc");); - } else { - my $text=$top.' '.$bot; - $text=~s/\- //; - return '
    '.$text.' '.$desc; - } + $top=&mt($top); + $bot=&mt($bot); + $desc=&mt($desc); + my $idx=10*$row+$col; + $category_members{$cat}.=':'.$idx; + +# Inline Menu + if ($nobreak==2) { return ''; } + my $text=$top.' '.$bot; + $text=~s/\s*\-\s*//gs; + + my $pic= + ''.$text.''; + if ($env{'browser.interface'} eq 'faketextual') { +# Main Menu + if ($nobreak==3) { + $inlineremote[$idx]="\n". + ''.$text. + ''. + ''.$pic.''; + } elsif ($nobreak) { + $inlineremote[$idx]="\n". + ''. + ''.$pic.' + '.$text.''; + } else { + $inlineremote[$idx]="\n". + ''. + ''.$pic. + ''. + ''.$desc.''; + } + } else { +# Inline Menu + $inlineremote[$idx]= + ''.$pic. + ''.$top.' '; + } + return ''; } sub secondlevel { my $output=''; my - ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_; + ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_; if ($prt eq 'any') { - $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); } elsif ($prt=~/^r(\w+)/) { if ($rol eq $1) { - $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); } } return $output; } -sub openmenu { - my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; - if ($ENV{'browser.interface'} eq 'textual') { return ''; } - if ($ENV{'browser.type'} eq 'explorer') { - return "window.open('javascript:void(0);','".$menuname."');"; - } else { - return "window.open('','".$menuname."');"; - } +sub inlinemenu { + undef(@inlineremote); + undef(%category_members); +# calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control + &rawconfig(1); + my $output=''; + for (my $col=1; $col<=2; $col++) { + $output.='"; + } + $output.="
    '; + for (my $row=1; $row<=8; $row++) { + foreach my $cat (keys(%category_members)) { + if ($category_positions{$cat} ne "$col,$row") { next; } + #$output.=''; + $output.='
    '; + $output.='

    '.&mt($category_names{$cat}).'

    '; + $output.='
    '.&mt($category_names{$cat}).'
    '; + my %active=(); + foreach my $menu_item (split(/\:/,$category_members{$cat})) { + if ($inlineremote[$menu_item]) { + $active{$menu_item}=1; + } + } + foreach my $item (sort(keys(%active))) { + $output.=$inlineremote[$item]; + } + $output.='
    '; + $output.=''; + } + } + $output.="
    "; + return $output; } sub rawconfig { +# +# This evaluates mydesk.tab +# Need to add more positions and more privileges to deal with all +# menu items. +# my $textualoverride=shift; my $output=''; - unless ($ENV{'browser.interface'} eq 'textual') { - $output.="var swmenu=".&openmenu(); - } else { - unless ($textualoverride) { return ''; } - } - my $uname=$ENV{'user.name'}; - my $udom=$ENV{'user.domain'}; - my $adv=$ENV{'user.adv'}; - my $author=$ENV{'user.author'}; + return '' unless $textualoverride; + my $uname=$env{'user.name'}; + my $udom=$env{'user.domain'}; + my $adv=$env{'user.adv'}; + my $show_course=&Apache::loncommon::show_course(); + my $author=$env{'user.author'}; my $crs=''; - if ($ENV{'request.course.id'}) { - $crs='/'.$ENV{'request.course.id'}; - if ($ENV{'request.course.sec'}) { - $crs.='_'.$ENV{'request.course.sec'}; + my $crstype=''; + if ($env{'request.course.id'}) { + $crs='/'.$env{'request.course.id'}; + if ($env{'request.course.sec'}) { + $crs.='_'.$env{'request.course.sec'}; } $crs=~s/\_/\//g; + $crstype = &Apache::loncommon::course_type(); } - my $pub=($ENV{'request.state'} eq 'published'); - my $con=($ENV{'request.state'} eq 'construct'); - my $rol=$ENV{'request.role'}; - my $requested_domain = $ENV{'request.role.domain'}; - foreach (@desklines) { - my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_); + my $pub=($env{'request.state'} eq 'published'); + my $con=($env{'request.state'} eq 'construct'); + my $rol=$env{'request.role'}; + my $requested_domain = $env{'request.role.domain'}; + foreach my $line (@desklines) { + my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line); $prt=~s/\$uname/$uname/g; $prt=~s/\$udom/$udom/g; - $prt=~s/\$crs/$crs/g; + if ($prt =~ /\$crs/) { + next unless ($env{'request.course.id'}); + next if ($crstype eq 'Community'); + $prt=~s/\$crs/$crs/g; + } elsif ($prt =~ /\$cmty/) { + next unless ($env{'request.course.id'}); + next if ($crstype ne 'Community'); + $prt=~s/\$cmty/$crs/g; + } $prt=~s/\$requested_domain/$requested_domain/g; + if ($category_names{$cat}!~/\w/) { $cat='oth'; } if ($pro eq 'clear') { $output.=&clear($row,$col); } elsif ($pro eq 'any') { $output.=&secondlevel( - $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc); + $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat); } elsif ($pro eq 'smp') { unless ($adv) { $output.=&secondlevel( - $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc); + $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat); } } elsif ($pro eq 'adv') { if ($adv) { $output.=&secondlevel( - $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc); + $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat); + } + } elsif ($pro eq 'shc') { + if ($show_course) { + $output.=&secondlevel( + $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat); } - } elsif (($pro=~/p(\w+)/) && ($prt)) { - if (&Apache::lonnet::allowed($1,$prt)) { - $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); - } - } elsif ($pro eq 'course') { - if ($ENV{'request.course.fn'}) { - $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); + } elsif ($pro eq 'nsc') { + if (!$show_course) { + $output.=&secondlevel( + $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat); + } + } elsif (($pro=~/^p(\w+)/) && ($prt)) { + my $priv = $1; + if ($priv =~ /^mdc(Course|Community)/) { + if ($crstype eq $1) { + $priv = 'mdc'; + } else { + next; + } + } + if (&Apache::lonnet::allowed($priv,$prt)) { + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); + } + } elsif ($pro eq 'course') { + if (($env{'request.course.fn'}) && ($crstype ne 'Community')) { + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); } + } elsif ($pro eq 'community') { + if (($env{'request.course.fn'}) && ($crstype eq 'Community')) { + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); + } + } elsif ($pro =~ /^courseenv_(.*)$/) { + my $key = $1; + if ($crstype ne 'Community') { + my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key}; + if ($key eq 'canuse_pdfforms') { + if ($env{'request.course.id'} && $coursepref eq '') { + my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'}); + $coursepref = $domdefs{'canuse_pdfforms'}; + } + } + if ($coursepref) { + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); + } + } + } elsif ($pro =~ /^communityenv_(.*)$/) { + my $key = $1; + if ($crstype eq 'Community') { + my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key}; + if ($key eq 'canuse_pdfforms') { + if ($env{'request.course.id'} && $coursepref eq '') { + my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'}); + $coursepref = $domdefs{'canuse_pdfforms'}; + } + } + if ($coursepref) { + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); + } + } + } elsif ($pro =~ /^course_(.*)$/) { + # Check for permissions inside of a course + if (($env{'request.course.id'}) && ($crstype ne 'Community') && + (&Apache::lonnet::allowed($1,$env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) + )) { + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); + } + } elsif ($pro =~ /^community_(.*)$/) { + # Check for permissions inside of a community + if (($env{'request.course.id'}) && ($crstype eq 'Community') && + (&Apache::lonnet::allowed($1,$env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) + )) { + $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat); + } } elsif ($pro eq 'author') { if ($author) { - if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) || - (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) { + if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) || + (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) || + (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) { # Check that we are on the correct machine my $cadom=$requested_domain; - my $caname=$ENV{'user.name'}; - if ($prt eq 'rca') { + my $caname=$env{'user.name'}; + if (($prt eq 'rca') || ($prt eq 'raa')) { ($cadom,$caname)= - ($ENV{'request.role'}=~/(\w+)\/(\w+)$/); + ($env{'request.role'}=~/($match_domain)\/($match_username)$/); } $act =~ s/\$caname/$caname/g; + $act =~ s/\$cadom/$cadom/g; my $home = &Apache::lonnet::homeserver($caname,$cadom); - if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) { - $output.=switch($caname,$cadom, - $row,$col,$img,$top,$bot,$act,$desc); + my $allowed=0; + my @ids=&Apache::lonnet::current_machine_ids(); + foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } } + if ($allowed) { + $output.=&switch($caname,$cadom, + $row,$col,$img,$top,$bot,$act,$desc,$cat); } } } + } elsif ($pro eq 'tools') { + my @tools = ('aboutme','blog','portfolio'); + if (grep(/^\Q$prt\E$/,@tools)) { + if (!&Apache::lonnet::usertools_access($env{'user.name'}, + $env{'user.domain'}, + $prt,undef,'tools')) { + $output.=&clear($row,$col); + next; + } + } elsif (($prt eq 'reqcrsnsc') || ($prt eq 'reqcrsshc')) { + if (($prt eq 'reqcrsnsc') && ($show_course)) { + next; + } + if (($prt eq 'reqcrsshc') && (!$show_course)) { + next; + } + my $showreqcrs = &check_for_rcrs(); + if (!$showreqcrs) { + $output.=&clear($row,$col); + next; + } + } + $prt='any'; + $output.=&secondlevel( + $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat); } } - unless ($ENV{'browser.interface'} eq 'textual') { - $output.="swmenu.syncclock(1000*".time.");"; - } return $output; } +sub check_for_rcrs { + my $showreqcrs = 0; + my @reqtypes = ('official','unofficial','community'); + foreach my $type (@reqtypes) { + if (&Apache::lonnet::usertools_access($env{'user.name'}, + $env{'user.domain'}, + $type,undef,'requestcourses')) { + $showreqcrs = 1; + last; + } + } + if (!$showreqcrs) { + foreach my $type (@reqtypes) { + if ($env{'environment.reqcrsotherdom.'.$type} ne '') { + $showreqcrs = 1; + last; + } + } + } + return $showreqcrs; +} + # ======================================================================= Close sub close { - my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; + if ($env{'environment.remote'} eq 'off') { return ''; } + my $menuname = &get_menu_name(); return(< + ENDCLOSE } -# ====================================================================== Footer +sub dc_popup_js { + my %lt = &Apache::lonlocal::texthash( + more => '(More ...)', + less => '(Less ...)', + ); + return <<"END"; + +function showCourseID() { + document.getElementById('dccid').style.display='block'; + document.getElementById('dccid').style.textAlign='left'; + document.getElementById('dccid').style.textFace='normal'; + document.getElementById('dccidtext').innerHTML ='$lt{'less'}'; + return; +} + +function hideCourseID() { + document.getElementById('dccid').style.display='none'; + document.getElementById('dccidtext').innerHTML ='$lt{'more'}'; + return; +} -sub footer { +END } -# ================================================ Handler when called directly +sub utilityfunctions { + my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0])); + if ($currenturl =~ m{^/adm/wrapper/ext/} + && $env{'request.external.querystring'} ) { + $currenturl .= ($currenturl=~/\?/)?'&':'?'.$env{'request.external.querystring'}; + } + $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl)); + + my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'}); + + my $dc_popup_cid; + if ($env{'user.adv'} && exists($env{'user.role.dc./'. + $env{'course.'.$env{'request.course.id'}. + '.domain'}.'/'})) { + $dc_popup_cid = &dc_popup_js(); + } + my $start_page_annotate = + &Apache::loncommon::start_page('Annotator',undef, + {'only_body' => 1, + 'js_ready' => 1, + 'bgcolor' => '#BBBBBB', + 'add_entries' => { + 'onload' => 'javascript:document.goannotate.submit();'}}); + + my $end_page_annotate = + &Apache::loncommon::end_page({'js_ready' => 1}); + + my $start_page_bookmark = + &Apache::loncommon::start_page('Bookmarks',undef, + {'only_body' => 1, + 'js_ready' => 1, + 'bgcolor' => '#BBBBBB',}); + + my $end_page_bookmark = + &Apache::loncommon::end_page({'js_ready' => 1}); + + 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 (<content_type('text/html'); - $r->send_http_header; - return OK if $r->header_only; +function need_switchserver(url) { + if (url!='' && url!= null) { + if (confirm("$confirm_switch")) { + go(url); + } + } + return; +} - my $bodytag=&Apache::loncommon::bodytag('Main Menu'); -# ------------------------------------------------------------ Print the screen - $r->print('LON-CAPA Main Menu'.$bodytag); - $r->print(&rawconfig(1)); - $r->print(''); - return OK; +function gopost(url,postdata) { + if (url!='') { + this.document.server.action=url; + this.document.server.postdata.value=postdata; + this.document.server.command.value=''; + this.document.server.url.value=''; + this.document.server.symb.value=''; + this.document.server.submit(); + } } -# ================================================================ Main Program +function gocmd(url,cmd) { + if (url!='') { + this.document.server.action=url; + this.document.server.postdata.value=''; + this.document.server.command.value=cmd; + this.document.server.url.value=currentURL; + this.document.server.symb.value=currentSymb; + this.document.server.submit(); + } +} -BEGIN { - if (! defined($readdesk)) { - { - my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. - '/mydesk.tab'); - while (my $configline=<$config>) { - $configline=(split(/\#/,$configline))[0]; - $configline=~s/^\s+//; - chomp($configline); - if ($configline) { - $desklines[$#desklines+1]=$configline; - } +function gocstr(url,filename) { + if (url == '/adm/cfile?action=delete') { + this.document.cstrdelete.filename.value = filename + this.document.cstrdelete.submit(); + return; } + if (url == '/adm/printout') { + this.document.cstrprint.postdata.value = filename + this.document.cstrprint.curseed.value = 0; + this.document.cstrprint.problemtype.value = 0; + if (this.document.lonhomework) { + if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) { + this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value + } + if (this.document.lonhomework.problemtype) { + if (this.document.lonhomework.problemtype.value) { + this.document.cstrprint.problemtype.value = + this.document.lonhomework.problemtype.value; + } else if (this.document.lonhomework.problemtype.options) { + for (var i=0; i" + +"" + +"<\\/form>" + +'$end_page_annotate'); + annotator.document.close(); +} + +(function (\$) { + \$(document).ready(function () { + \$.single=function(a){return function(b){a[0]=b;return a}}(\$([1])); + /*\@cc_on + if (!window.XMLHttpRequest) { + \$('.LC_hoverable').each(function () { + this.attachEvent('onmouseenter', function (evt) { \$.single(evt.srcElement).addClass('hover'); }); + this.attachEvent('onmouseleave', function (evt) { \$.single(evt.srcElement).removeClass('hover'); }); + }); + } + \@*/ + }); +}(jQuery)); + +function set_bookmark() { + go(''); + clienttitle=document.title; + clienthref=location.pathname; + w_bmquery_flag=1; + bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0'); + bmquery.document.write( + '$start_page_bookmark' + +'
    ' + +'
    Link Name:
    ' + +'
    Address:

    ' + +'$end_page_bookmark' ); + bmquery.document.close(); +} + +ENDUTILITY +} + +sub serverform { + return(< + + + + + +ENDSERVERFORM +} + +sub constspaceform { + return(< + + +
    + + +
    +
    + + + +
    + +ENDCONSTSPACEFORM +} + +sub hidden_button_check { + if ( $env{'request.course.id'} eq '' + || $env{'request.role.adv'} ) { + + return; + } + my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide'); + return $buttonshide; +} + +sub roles_selector { + my ($cdom,$cnum) = @_; + my $crstype = &Apache::loncommon::course_type(); + my $now = time; + my (%courseroles,%seccount,%courseprivs); + my $is_cc; + my $role_selector; + my $ccrole; + if ($crstype eq 'Community') { + $ccrole = 'co'; + } else { + $ccrole = 'cc'; + } + my $priv; + my $destinationurl = $ENV{'REQUEST_URI'}; + my $reqprivs = &required_privs(); + if (ref($reqprivs) eq 'HASH') { + my $destination = $destinationurl; + $destination =~ s/(\?.*)$//; + if (exists($reqprivs->{$destination})) { + $priv = $reqprivs->{$destination}; + } + } + if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) { + my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}); + + if ((($start) && ($start<0)) || + (($end) && ($end<$now)) || + (($start) && ($now<$start))) { + $is_cc = 0; + } else { + $is_cc = 1; + } + } + if ($is_cc) { + &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount,\%courseprivs,$priv); + } else { + my %gotnosection; + foreach my $item (keys(%env)) { + if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) { + my $role = $1; + my $sec = $2; + next if ($role eq 'gr'); + my ($start,$end) = split(/\./,$env{$item}); + next if (($start && $start > $now) || ($end && $end < $now)); + if ($sec eq '') { + if (!$gotnosection{$role}) { + $seccount{$role} ++; + $gotnosection{$role} = 1; + } + } + if ($priv ne '') { + my $cnumsec = $cnum; + if ($sec ne '') { + $cnumsec .= "/$sec"; + } + $courseprivs{"$role./$cdom/$cnumsec./"} = + $env{"user.priv.$role./$cdom/$cnumsec./"}; + $courseprivs{"$role./$cdom/$cnumsec./$cdom/"} = + $env{"user.priv.$role./$cdom/$cnumsec./$cdom/"}; + $courseprivs{"$role./$cdom/$cnumsec./$cdom/$cnumsec"} = + $env{"user.priv.$role./$cdom/$cnumsec./$cdom/$cnumsec"}; + } + if (ref($courseroles{$role}) eq 'ARRAY') { + if ($sec ne '') { + if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) { + push(@{$courseroles{$role}},$sec); + $seccount{$role} ++; + } + } + } else { + @{$courseroles{$role}} = (); + if ($sec ne '') { + $seccount{$role} ++; + push(@{$courseroles{$role}},$sec); + } + } + } + } + } + my $switchtext; + if ($crstype eq 'Community') { + $switchtext = &mt('Switch community role to...') + } else { + $switchtext = &mt('Switch course role to...') + } + my @roles_order = ($ccrole,'in','ta','ep','ad','st'); + if (keys(%courseroles) > 1) { + $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,$priv); + $role_selector .= '
    + '."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + '
    '; + } + return $role_selector; +} +sub get_all_courseroles { + my ($cdom,$cnum,$courseroles,$seccount,$courseprivs) = @_; + unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH') && + (ref($courseprivs) eq 'HASH')) { + return; + } + my ($result,$cached) = + &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum); + if (defined($cached)) { + if (ref($result) eq 'HASH') { + if ((ref($result->{'roles'}) eq 'HASH') && + (ref($result->{'seccount'}) eq 'HASH') && + (ref($result->{'privs'}) eq 'HASH')) { + %{$courseroles} = %{$result->{'roles'}}; + %{$seccount} = %{$result->{'seccount'}}; + %{$courseprivs} = %{$result->{'privs'}}; + return; + } + } + } + my %gotnosection; + my %adv_roles = + &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1); + foreach my $role (keys(%adv_roles)) { + my ($urole,$usec) = split(/:/,$role); + if (!$gotnosection{$urole}) { + $seccount->{$urole} ++; + $gotnosection{$urole} = 1; + } + if (ref($courseroles->{$urole}) eq 'ARRAY') { + if ($usec ne '') { + if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) { + push(@{$courseroles->{$urole}},$usec); + $seccount->{$urole} ++; + } + } + } else { + @{$courseroles->{$urole}} = (); + if ($usec ne '') { + $seccount->{$urole} ++; + push(@{$courseroles->{$urole}},$usec); + } + } + my $area = '/'.$cdom.'/'.$cnum; + if ($usec ne '') { + $area .= '/'.$usec; + } + if ($role =~ /^cr\//) { + &Apache::lonnet::custom_roleprivs($courseprivs,$urole,$cdom,$cnum,$urole.'.'.$area,$area); + } else { + &Apache::lonnet::standard_roleprivs($courseprivs,$urole,$cdom,$urole.'.'.$area,$cnum,$area); + } + } + my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']); + @{$courseroles->{'st'}} = (); + &Apache::lonnet::standard_roleprivs($courseprivs,'st',$cdom,"st./$cdom/$cnum",$cnum,"/$cdom/$cnum"); + if (keys(%sections_count) > 0) { + push(@{$courseroles->{'st'}},keys(%sections_count)); + $seccount->{'st'} = scalar(keys(%sections_count)); + } + my $rolehash = { + 'roles' => $courseroles, + 'seccount' => $seccount, + 'privs' => $courseprivs, + }; + &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash); + return; +} +sub jump_to_role { + my ($cdom,$cnum,$seccount,$courseroles,$courseprivs,$priv) = @_; + my %lt = &Apache::lonlocal::texthash( + this => 'This role has section(s) associated with it.', + ente => 'Enter a specific section.', + orlb => 'Enter a specific section, or leave blank for no section.', + avai => 'Available sections are:', + youe => 'You entered an invalid section choice:', + plst => 'Please try again.', + role => 'The role you selected is not permitted to view the current page.', + swit => 'Switch role, but display Main Menu page instead?', + ); + my $js; + if (ref($courseroles) eq 'HASH') { + $js = ' var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n". + ' var numsec = new Array();'."\n". + ' var rolesections = new Array();'."\n". + ' var rolenames = new Array();'."\n". + ' var roleseclist = new Array();'."\n"; + my @items = keys(%{$courseroles}); + for (my $i=0; $i<@items; $i++) { + $js .= ' rolenames['.$i.'] = "'.$items[$i].'";'."\n"; + my ($secs,$secstr); + if (ref($courseroles->{$items[$i]}) eq 'ARRAY') { + my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}}; + $secs = join('","',@sections); + $secstr = join(', ',@sections); + } + $js .= ' rolesections['.$i.'] = new Array("'.$secs.'");'."\n". + ' roleseclist['.$i.'] = "'.$secstr.'";'."\n". + ' numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n"; + } + } + my $checkroles = 0; + if ($priv && ref($courseprivs) eq 'HASH') { + my (%disallowed,%allowed,@disallow); + foreach my $role (sort(keys(%{$courseprivs}))) { + my $trole; + if ($role =~ m{^(.+?)\Q./$cdom/$cnum\E}) { + $trole = $1; + } + if (($trole ne '') && ($trole ne 'cm')) { + if ($courseprivs->{$role} =~ /\Q:$priv\E($|:|\&\w+)/) { + $allowed{$trole} = 1; + } else { + $disallowed{$trole} = 1; + } + } + } + foreach my $trole (keys(%disallowed)) { + unless ($allowed{$trole}) { + push(@disallow,$trole); + } + } + if (@disallow > 0) { + $checkroles = 1; + $js .= " var disallow = new Array('".join("','",@disallow)."');\n". + " var rolecheck = 1;\n"; + } + } + if (!$checkroles) { + $js .= " var disallow = new Array();\n". + " rolecheck = 0;\n"; + } + return <<"END"; + +END +} +sub required_privs { + my $privs = { + '/adm/parmset' => 'opa', + '/adm/courseprefs' => 'opa', + '/adm/whatsnew' => 'whn', + '/adm/populate' => 'cst', + '/adm/trackstudent' => 'vsa', + '/adm/statistics' => 'vgr', + '/adm/setblock' => 'dcm', + '/adm/coursedocs' => 'mdc', + }; + unless ($env{'course.'.$env{'request.course.id'}.'.grading'} eq 'spreadsheet') { + $privs->{'/adm/classcalc'} = 'vgr', + $privs->{'/adm/assesscalc'} = 'vgr', + $privs->{'/adm/studentcalc'} = 'vgr'; + } + return $privs; +} +# ================================================================ Main Program + +BEGIN { + if (! defined($readdesk)) { + { + my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab'; + if ( CORE::open( my $config,"<$tabfile") ) { + while (my $configline=<$config>) { + $configline=(split(/\#/,$configline))[0]; + $configline=~s/^\s+//; + chomp($configline); + if ($configline=~/^cat\:/) { + my @entries=split(/\:/,$configline); + $category_positions{$entries[2]}=$entries[1]; + $category_names{$entries[2]}=$entries[3]; + } elsif ($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,$configline); + } + } + CORE::close($config); + } + } + $readdesk='done'; + } +} + +1; +__END__