--- loncom/interface/lonnavdisplay.pm 2010/03/17 15:59:38 1.16 +++ loncom/interface/lonnavdisplay.pm 2014/05/20 20:30:59 1.27 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA -# Navigate Maps Handler + # -# $Id: lonnavdisplay.pm,v 1.16 2010/03/17 15:59:38 droeschl Exp $ +# $Id: lonnavdisplay.pm,v 1.27 2014/05/20 20:30:59 musolffc Exp $ # # Copyright Michigan State University Board of Trustees # @@ -30,14 +30,15 @@ package Apache::lonnavdisplay; use strict; -use Apache::Constants qw(:common :http); +use Apache::Constants qw(:common :http REDIRECT); use Apache::lonmenu(); use Apache::loncommon(); use Apache::lonnavmaps(); use Apache::lonhtmlcommon(); use Apache::lonnet; use Apache::lonlocal; -use Time::HiRes qw( gettimeofday tv_interval ); +use Apache::londocs(); +#use Time::HiRes qw( gettimeofday tv_interval ); sub handler { my $r = shift; @@ -58,6 +59,16 @@ sub real_handler { return OK; } + # Check for critical messages and redirect if present. + my ($redirect,$url) = &Apache::loncommon::critical_redirect(300); + if ($redirect) { + &Apache::loncommon::content_type($r,'text/html'); + $r->header_out(Location => $url); + return REDIRECT; + } + + + # Send header, don't cache this page if ($env{'browser.mathml'}) { &Apache::loncommon::content_type($r,'text/xml'); @@ -67,8 +78,6 @@ sub real_handler { &Apache::loncommon::no_cache($r); my %toplinkitems=(); - &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'blank','', - "Select Action"); # Create the nav map my $navmap = Apache::lonnavmaps::navmap->new(); @@ -82,18 +91,31 @@ sub real_handler { $r->send_http_header; # ------------------------------------------------------------ Get query string - &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sort','showOnlyHomework','postsymb']); + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sort','showOnlyHomework','postsymb','register']); # ----------------------------------------------------- Force menu registration # Header my $course_type = &Apache::loncommon::course_type(); my $title = $course_type . ' Contents'; - my $breadcrumb_text = mt($course_type . ' Contents'); - $r->print(&Apache::loncommon::start_page($title, '', - { 'bread_crumbs' => [{text => $breadcrumb_text }],})); -#SD - $r->print(''); - + my ($start_page,$args); + if ($env{'form.register'}) { + $args = {'force_register' => $env{'form.register'}}; + $start_page = &Apache::loncommon::start_page($title,undef,$args); + } else { + my $brcrum = [{href => '/adm/navmaps', + text => &mt($course_type . ' Contents'), + no_mt => 1}, + ]; + $args = {'bread_crumbs' => $brcrum}; + $start_page = &Apache::loncommon::start_page($title,undef,$args); + } + $r->print($start_page. + ''); + &startContentScreen($r,'navmaps'); $r->rflush(); # Check that it's defined @@ -105,21 +127,31 @@ sub real_handler { return OK; } - # See if there's only one map in the top-level, if we don't - # already have a filter... if so, automatically display it - # (older code; should use retrieveResources) - if ($ENV{QUERY_STRING} !~ /filter/) { - my $iterator = $navmap->getIterator(undef, undef, undef, 0); - my $curRes; - my $sequenceCount = 0; - my $sequenceId; - while ($curRes = $iterator->next()) { - if (ref($curRes) && $curRes->is_sequence()) { + my @resources = $navmap->retrieveResources(); + my $sequenceCount = 0; + my $problemCount = 0; + my $notaprobCount = 0; + my $sequenceId; + my $notools; + foreach my $curRes (@resources) { + if (ref($curRes)) { + if ($curRes->is_sequence()) { $sequenceCount++; $sequenceId = $curRes->map_pc(); + } elsif ($curRes->is_problem()) { + $problemCount ++; + } else { + $notaprobCount ++; } } - + } + if (($sequenceCount == 1) && (!$problemCount) && ($notaprobCount <= 1)) { + $notools = 1; + } + + # If there's only one map in the top-level and we don't + # already have a filter, automatically display it + if ($ENV{QUERY_STRING} !~ /filter/) { if ($sequenceCount == 1) { # The automatic iterator creation in the render call # will pick this up. We know the condition because @@ -171,9 +203,15 @@ sub real_handler { .""); } } else { - &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'firsthomework', - 'location.href="navmaps?jumpToFirstHomework"', - "Show my first due problem"); + my $link = 'navmaps?jumpToFirstHomework'; + if ($env{'form.register'}) { + $link .= '&register='.$env{'form.register'}; + } + unless ($notools) { + &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'firsthomework', + 'location.href="'.$link.'"', + "Show my first due problem"); + } } my $suppressEmptySequences = 0; @@ -188,33 +226,47 @@ sub real_handler { $filterFunc = sub { my $res = shift; return $res->completable() || $res->is_map(); }; + my $link = 'navmaps?sort='.$env{'form.sort'}; + if ($env{'form.register'}) { + $link .= '&register='.$env{'form.register'}; + } &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'everything', - 'location.href="navmaps?sort='.$env{'form.sort'}.'"', - "Show everything"); + 'location.href="'.$link.'"', + 'Show everything'); $r->print("".&mt("Uncompleted Problems").""); $env{'form.filter'} = ''; $env{'form.condition'} = 1; $resource_no_folder_link = 1; } else { - &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'uncompleted', - 'location.href="navmaps?sort='.$env{'form.sort'}. - '&showOnlyHomework=1"', - "Show only uncompleted problems"); + my $link = 'navmaps?sort='.$env{'form.sort'}.'&showOnlyHomework=1'; + if ($env{'form.register'}) { + $link .= '&register='.$env{'form.register'}; + } + unless ($notools) { + &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'uncompleted', + 'location.href="'.$link.'"', + 'Show only uncompleted problems'); + } } my %selected=($env{'form.sort'} => ' selected="selected"'); - my $sort_html=("
- - - ".&mt('Sort by:')." - + '.&mt('Sort by:').' + + -
"); + '); + } # renderer call my $renderArgs = { 'cols' => [0,1,2,3], 'sort' => $env{'form.sort'}, @@ -227,7 +279,9 @@ sub real_handler { 'sort_html'=> $sort_html, 'r' => $r, 'caller' => 'navmapsdisplay', - 'linkitems' => \%toplinkitems}; + 'linkitems' => \%toplinkitems, + 'notools' => $notools}; + my $render = &Apache::lonnavmaps::render($renderArgs); # If no resources were printed, print a reassuring message so the @@ -241,13 +295,39 @@ sub real_handler { } #my $td=&tv_interval($t0); #$r->print("
$td"); - + &endContentScreen($r); $r->print(&Apache::loncommon::end_page()); $r->rflush(); return OK; } +sub startContentScreen { + my ($r,$mode)=@_; + + $r->print("\n".''."\n"); + $r->print('
'); +} + +sub endContentScreen { + my ($r)=@_; + $r->print('
'); +} + 1; __END__