--- loncom/interface/lonnavdisplay.pm 2010/08/14 21:42:59 1.13.4.3 +++ loncom/interface/lonnavdisplay.pm 2015/03/11 15:43:40 1.22.4.6 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA -# Navigate Maps Handler +# Navigate Maps Display Handler # -# $Id: lonnavdisplay.pm,v 1.13.4.3 2010/08/14 21:42:59 raeburn Exp $ +# $Id: lonnavdisplay.pm,v 1.22.4.6 2015/03/11 15:43:40 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -30,14 +30,14 @@ 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(); sub handler { my $r = shift; @@ -46,85 +46,40 @@ sub handler { sub real_handler { my $r = shift; - #my $t0=[&gettimeofday()]; # Handle header-only request if ($r->header_only) { - if ($env{'browser.mathml'}) { - &Apache::loncommon::content_type($r,'text/xml'); - } else { - &Apache::loncommon::content_type($r,'text/html'); - } + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK; } - # Send header, don't cache this page - if ($env{'browser.mathml'}) { - &Apache::loncommon::content_type($r,'text/xml'); - } else { + # Check for critical messages and redirect if present. + my ($redirect,$url) = &Apache::loncommon::critical_redirect(300); + if ($redirect) { &Apache::loncommon::content_type($r,'text/html'); + $r->header_out(Location => $url); + return REDIRECT; } - &Apache::loncommon::no_cache($r); - my %toplinkitems=(); - &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'blank','', - "Select Action"); - if ($ENV{QUERY_STRING} eq 'collapseExternal') { - &Apache::lonnet::put('environment',{'remotenavmap' => 'off'}); - &Apache::lonnet::appenv({'environment.remotenavmap' => 'off'}); - my $menu=&Apache::lonmenu::reopenmenu(); - my $navstatus=&Apache::lonmenu::get_nav_status(); - if ($menu) { - $menu=(<<MENU) - swmenu=$menu - swmenu.clearTimeout(swmenu.menucltim); - $navstatus -MENU - } else { - my $nothing = &Apache::lonhtmlcommon::javascript_nothing(); - my $mainwindow='window.open('.$nothing.',"loncapaclient","",false);'; - $menu=(<<MENU) - swmenu=$mainwindow - $navstatus -MENU - } - $r->send_http_header; - my $js =<<"ENDSUBM"; - <script type="text/javascript"> - function submitthis() { - $menu - self.close(); - } - - </script> -ENDSUBM - $r->print(&Apache::loncommon::start_page(undef,$js, - {'only_body' => 1, - 'bgcolor' => '#FFFFFF', - 'add_entries' => - {'onload' => - "submitthis()"}}). - &Apache::loncommon::end_page()); + # Check if course needs to be re-initialized + my $loncaparev = $r->dir_config('lonVersion'); + my ($result,@reinit) = &Apache::loncommon::needs_coursereinit($loncaparev); + if ($result eq 'switch') { + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + $r->print(&Apache::loncommon::check_release_result(@reinit)); return OK; - } - if ($ENV{QUERY_STRING} =~ /^launchExternal/) { - &Apache::lonnet::put('environment',{'remotenavmap' => 'on'}); - &Apache::lonnet::appenv({'environment.remotenavmap' => 'on'}); - my $menu=&Apache::lonmenu::reopenmenu(); - my $navstatus=&Apache::lonmenu::get_nav_status(); - if ($menu) { - $r->print(<<MENU); - <script type="text/javascript"> - swmenu=$menu - swmenu.clearTimeout(swmenu.menucltim); - $navstatus - </script> -MENU - } - } - if ($ENV{QUERY_STRING} eq 'turningOffExternal') { - $env{'environment.remotenavmap'}='off'; + } elsif ($result eq 'update') { + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum"); + if ($ferr) { + my $requrl = $r->uri; + $env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; + $env{'user.reinit'} = 1; + return HTTP_NOT_ACCEPTABLE; + } } # Create the nav map @@ -136,46 +91,33 @@ MENU $env{'user.reinit'} = 1; return HTTP_NOT_ACCEPTABLE; } + + # Send header, don't cache this page + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; # ------------------------------------------------------------ Get query string - &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['register','sort','showOnlyHomework','postsymb']); + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sort','showOnlyHomework','postsymb','register']); # ----------------------------------------------------- Force menu registration - my $body_only=''; - my $js; - if ($env{'environment.remotenavmap'} eq 'on') { - $js='<script type="text/javascript"> - function collapse() { - this.document.location="/adm/navmaps?collapseExternal"; - } - </script>'; - $body_only=1; - } - # Header my $course_type = &Apache::loncommon::course_type(); - my ($title,$breadcrumb_text,$start_page,$args); - if ($course_type eq 'Community') { - $title = 'Community Contents'; - $breadcrumb_text = &mt('Community Contents'); - } else { - $title = 'Course Contents'; - $breadcrumb_text = &mt('Course Contents'); - } + my $title = $course_type . ' Contents'; + my ($start_page,$args); if ($env{'form.register'}) { $args = {'force_register' => $env{'form.register'}}; - $start_page = &Apache::loncommon::start_page($title,$js,$args); + $start_page = &Apache::loncommon::start_page($title,undef,$args); } else { my $brcrum = [{href => '/adm/navmaps', - text => $breadcrumb_text, + text => &mt($course_type . ' Contents'), no_mt => 1}, ]; $args = {'bread_crumbs' => $brcrum}; - $start_page = &Apache::loncommon::start_page($title,$js,$args); + $start_page = &Apache::loncommon::start_page($title,undef,$args); } $r->print($start_page. '<script type="text/javascript">window.focus();</script>'); + &startContentScreen($r,'navmaps'); $r->rflush(); # Check that it's defined @@ -187,21 +129,32 @@ MENU return OK; } - # See if there's only one map in the top-level, if we don't - # already have a filter... if so, automatically display it - # (older code; should use retrieveResources) - if ($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 %toplinkitems=(); + 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 ($sequenceCount == 1) { # The automatic iterator creation in the render call # will pick this up. We know the condition because @@ -211,27 +164,6 @@ MENU } } - if ($ENV{QUERY_STRING} eq 'launchExternal') { - $r->print(' - <form name="returnwin" action="/adm/flip?postdata=navlaunch%3a" - method="post" target="loncapaclient"> - </form>'); - $r->print(' - <script type="text/javascript"> - this.document.returnwin.submit(); - </script>'); - } - - if ($env{'environment.remotenavmap'} ne 'on') { - $r->print(&launch_win('link','yes',\%toplinkitems)); - } - if ($env{'environment.remotenavmap'} eq 'on') { - &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'closenav', - 'collapse()', - "Close navigation window"); - } - - # Check to see if the student is jumping to next open, do-able problem if ($ENV{QUERY_STRING} =~ /^jumpToFirstHomework/) { # Find the next homework problem that they can do. @@ -278,9 +210,11 @@ MENU if ($env{'form.register'}) { $link .= '&register='.$env{'form.register'}; } - &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'firsthomework', - 'location.href="'.$link.'"', - "Show my first due problem"); + unless ($notools) { + &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'firsthomework', + 'location.href="'.$link.'"', + "Show my first due problem"); + } } my $suppressEmptySequences = 0; @@ -301,7 +235,7 @@ MENU } &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'everything', 'location.href="'.$link.'"', - "Show everything"); + 'Show everything'); $r->print("<span class=\"LC_info\">".&mt("Uncompleted Problems")."</span>"); $env{'form.filter'} = ''; $env{'form.condition'} = 1; @@ -311,25 +245,31 @@ MENU if ($env{'form.register'}) { $link .= '&register='.$env{'form.register'}; } - &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'uncompleted', - 'location.href="'.$link.'"', - "Show only uncompleted problems"); + unless ($notools) { + &Apache::lonnavmaps::add_linkitem(\%toplinkitems,'uncompleted', + 'location.href="'.$link.'"', + 'Show only uncompleted problems'); + } } my %selected=($env{'form.sort'} => ' selected="selected"'); - my $sort_html=('<form name="sortForm" action=""> + my $sort_html; + unless ($notools) { + $sort_html=( + '<form name="sortForm" action=""> <span class="LC_nobreak"> <input type="hidden" name="showOnlyHomework" value="'.$env{'form.showOnlyHomework'}.'" /> '.&mt('Sort by:').' <select name="sort" onchange="document.sortForm.submit()"> <option value="default"'.$selected{'default'}.'>'.&mt('Default').'</option> <option value="title"'.$selected{'title'}.'>'.&mt('Title').'</option> - <option value="duedate"'.$selected{'duedate'}.'>'.&mt('Duedate').'</option> + <option value="duedate"'.$selected{'duedate'}.'>'.&mt('Due Date').'</option> <option value="discussion"'.$selected{'discussion'}.'>'.&mt('Has New Discussion').'</option> - </select> + </select> <input type="hidden" name="register" value="'.$env{'form.register'}.'" /> </span> </form>'); + } # renderer call my $renderArgs = { 'cols' => [0,1,2,3], 'sort' => $env{'form.sort'}, @@ -342,7 +282,9 @@ MENU '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 @@ -354,42 +296,36 @@ MENU $r->print("<p><span class=\"LC_info\">".&mt("This course is empty.")."</span></p>"); } } - #my $td=&tv_interval($t0); - #$r->print("<br />$td"); - + &endContentScreen($r); $r->print(&Apache::loncommon::end_page()); $r->rflush(); return OK; } -sub launch_win { - my ($mode,$script,$toplinkitems,$firsttime)=@_; - my $result; - if ($script ne 'no') { - $result.='<script type="text/javascript">'; - } - if ($firsttime) { - $result.='function launch_navmapwin() { - newWindow=open(\'/adm/navmaps?launchExternalRoles\',\'loncapanav\',\'width=400,height=600,scrollbars=1\'); - }'; - } else { - $result.='function launch_navmapwin() { - newWindow=open(\'/adm/navmaps?launchExternal\',\'loncapanav\',\'width=400,height=600,scrollbars=1\'); - }'; - } - if ($mode eq 'now') { - $result.="\nlaunch_navmapwin();\n"; - } - if ($script ne 'no') { - $result.='</script>'; - } - if ($mode eq 'link') { - &Apache::lonnavmaps::add_linkitem($toplinkitems,'launchnav', - 'launch_navmapwin()', - "Launch navigation window"); - } - return $result; +sub startContentScreen { + my ($r,$mode)=@_; + + $r->print("\n".'<ul class="LC_TabContentBigger" id="mainnav">'."\n"); + $r->print('<li'.(($mode eq 'navmaps')?' class="active"':'').'><a href="/adm/navmaps"><b> '.&mt('Main Content').' </b></a></li>'."\n"); + my $allowed = &Apache::lonnet::allowed('mdc',$env{'request.course.id'}); + my ($suppcount,$errors); + unless ($allowed) { + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + ($suppcount,$errors) = &Apache::lonnet::get_numsuppfiles($cnum,$cdom); + } + if ($allowed || $suppcount) { + $r->print('<li '.(($mode eq 'supplemental')?' class="active"':'').'><a href="/adm/supplemental"><b>'.&mt('Supplemental Content').'</b></a></li>'); + } + $r->print('<li'.(($mode eq 'coursesearch')?' class="active"':'').'><a href="/adm/searchcourse"><b> '.&mt('Content Search').' </b></a></li>'."\n"); + $r->print("\n".'</ul>'."\n"); + $r->print('<div class="LC_Box" style="clear:both;margin:0;"><div id="maincoursedoc" style="margin:0 0;padding:0 0;"><div class="LC_ContentBox" id="mainCourseDocuments" style="display: block;">'); +} + +sub endContentScreen { + my ($r)=@_; + $r->print('</div></div></div>'); } 1;