--- loncom/interface/lonnavdisplay.pm	2010/03/29 14:50:46	1.17
+++ loncom/interface/lonnavdisplay.pm	2013/08/08 01:54:24	1.24
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavdisplay.pm,v 1.17 2010/03/29 14:50:46 raeburn Exp $
+# $Id: lonnavdisplay.pm,v 1.24 2013/08/08 01:54:24 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,6 +37,7 @@ use Apache::lonnavmaps();
 use Apache::lonhtmlcommon();
 use Apache::lonnet;
 use Apache::lonlocal;
+use Apache::londocs();
 use Time::HiRes qw( gettimeofday tv_interval );
 
 sub handler {
@@ -100,6 +101,7 @@ sub real_handler {
     }
     $r->print($start_page.
               '<script type="text/javascript">window.focus();</script>');
+    &startContentScreen($r,'navmaps');
     $r->rflush();
 
     # Check that it's defined
@@ -111,21 +113,31 @@ 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 ($sequenceCount == 1) {
             # The automatic iterator creation in the render call 
             # will pick this up. We know the condition because
@@ -181,9 +193,11 @@ sub real_handler {
         if ($env{'form.register'}) {
             $link .= '&amp;register='.$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 $suppressEmptySequences = 0;
@@ -214,17 +228,22 @@ sub real_handler {
         if ($env{'form.register'}) {
             $link .= '&amp;register='.$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">
+    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()">
+                    <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"'.$selected{'duedate'}.'>'.&mt('Duedate').'</option>
@@ -233,6 +252,7 @@ sub real_handler {
                     <input type="hidden" name="register" value="'.$env{'form.register'}.'" />
                  </span>
                </form>');
+    }
     # renderer call
     my $renderArgs = { 'cols' => [0,1,2,3],
 		       'sort' => $env{'form.sort'},
@@ -245,7 +265,9 @@ 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
@@ -259,13 +281,39 @@ sub real_handler {
     }
     #my $td=&tv_interval($t0);
     #$r->print("<br />$td");
-
+    &endContentScreen($r);
     $r->print(&Apache::loncommon::end_page());
     $r->rflush();
 
     return OK;
 }
 
+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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Main Content').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Search').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n");
+    $r->print('<li'.(($mode eq 'courseindex')?' class="active"':'').'><a href="/adm/indexcourse"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Index').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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;
 __END__