--- rat/lonpage.pm	2016/05/30 04:50:39	1.115
+++ rat/lonpage.pm	2016/10/29 05:29:39	1.119
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Page Handler
 #
-# $Id: lonpage.pm,v 1.115 2016/05/30 04:50:39 raeburn Exp $
+# $Id: lonpage.pm,v 1.119 2016/10/29 05:29:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -184,6 +184,7 @@ sub handler {
   if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) {
       my $fn=$env{'request.course.fn'};
       if (-e "$fn.db") {
+          my %buttonshide;
           if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) {
 # ------------------------------------------------------------------- Hash tied
               my $firstres=$hash{'map_start_'.$requrl};
@@ -305,6 +306,11 @@ sub handler {
 			  if ($hash{'encrypted_'.$_}) {
 			      $src=&Apache::lonenc::encrypted($src);
 			  }
+                          my ($mapid,$resid)=split(/\./,$_);
+                          my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src);
+                          unless ($env{'request.role.adv'}) {
+                              $buttonshide{$symb} = &Apache::lonnet::EXT("resource.0.buttonshide",$symb);
+                          }
                           $cellemb{$_}=
 			      &Apache::loncommon::fileembstyle($extension);
                           if ($cellexternal{$_}) {
@@ -315,9 +321,6 @@ ENDEXT
                               }
                           } elsif ($cellemb{$_} eq 'ssi') {
 # --------------------------------------------------------- This is an SSI cell
-			      my ($mapid,$resid)=split(/\./,$_);
-			      my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src);
-			      
 			      my $prefix=$_.'_';
                               my $idprefix= join('_',($mapid,$resid,''));
                               my %posthash=('request.prefix' => $prefix,
@@ -355,8 +358,8 @@ ENDEXT
                               my $output=Apache::lonnet::ssi($src,%posthash);
 			      $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
                               if (($target eq 'tex') || ($target eq 'tex_answer')) {
-				  $output =~ s/^([^&]+)\\begin{document}//;
-				  $output =~ s/\\end{document}//;
+				  $output =~ s/^([^&]+)\\begin\{document}//;
+				  $output =~ s/\\end\{document}//;
 #				  $output = '\parbox{\minipagewidth}{ '.$output.' }';
                                   #some additional cleanup necessary for LateX (due to limitations of table environment 
 				  $output =~ s/(\\vskip\s*\d+mm)\s*(\\\\)+/$1/g;
@@ -479,7 +482,7 @@ ENDEXT
                                               $type = 'Task';
                                           }
                                           my ($status,$accessmsg,$slot_name,$slot) =
-                                              &Apache::lonhomework::check_slot_access('0',$type,$symb,$pagesymb);
+                                              &Apache::lonhomework::check_slot_access('0',$type,$symb);
                                           undef(%Apache::lonhomework::history);
                                           my $probstatus = &Apache::lonnet::EXT("resource.0.problemstatus",$symb);
                                           if (($status eq 'CAN_ANSWER') || (($status eq 'CANNOT_ANSWER') && 
@@ -676,10 +679,27 @@ ENDEXT
                                   &add_countdown_timer($currdisp,$donebuttontime,$donebuttonextras);
                               }
                           }
+                          my $pagebuttonshide;
+                          if (keys(%buttonshide)) {
+                              my %uniquebuttonhide;
+                              foreach my $item (values(%buttonshide)) {
+                                  if (exists($uniquebuttonhide{$item})) {
+                                      $uniquebuttonhide{$item} ++;
+                                  } else {
+                                      $uniquebuttonhide{$item} = 1;
+                                  }
+                              }
+                              if (keys(%uniquebuttonhide) == 1) {
+                                  if (lc((keys(%uniquebuttonhide))[0]) eq 'yes') {
+                                      $pagebuttonshide = 'yes';
+                                  }
+                              }
+                          }
 # ------------------------------------------------------------------ Start body
 			  $r->print(&Apache::loncommon::start_page(undef,$allscript,
 								   {'force_register' => 1,
-								    'bgcolor'        => '#ffffff',}));
+								    'bgcolor'        => '#ffffff',
+								    'hide_buttons'   => $pagebuttonshide}));
 # ------------------------------------------------------------------ Start form
 			  if ($nforms) {
 			      my $fmtag = '<form name="lonhomework" method="post"  enctype="multipart/form-data"';
@@ -725,7 +745,7 @@ ENDEXT
                           my $avespan=$lcm/($#colcont+1);
                           for ($j=0;$j<=$#colcont;$j++) {
                               my $rid=$colcont[$j];
-			      my $metainfo =&get_buttons(\%hash,$rid).'<br />';
+			      my $metainfo =&get_buttons(\%hash,$rid,\%buttonshide).'<br />';
 			    unless (($target eq 'tex') || ($target eq 'tex_answer')) {
 				$r->print('<td colspan="'.$avespan.'"');
 			    }
@@ -853,7 +873,7 @@ ENDEXT
 }
 
 sub get_buttons {
-    my ($hash,$rid) = @_;
+    my ($hash,$rid,$buttonshide) = @_;
 
     my $metainfo = '';
     my $esrc=&Apache::lonnet::declutter($hash->{'src_'.$rid});
@@ -862,7 +882,7 @@ sub get_buttons {
 					  $resid,
 					  $hash->{'src_'.$rid});
     unless ($env{'request.role.adv'}) {
-        if (&Apache::lonnet::EXT('resource.0.buttonshide',$symb)) {
+        if ($buttonshide->{$symb} eq 'yes') {
             return;
         }
     }
@@ -962,6 +982,7 @@ sub add_countdown_timer {
             $type = $donebuttonextras->{'type'};
         } else {
             $donebuttontext = &mt('Done');
+            $type = 'map';
         }
         $donebutton = 
             &Apache::lonmenu::done_button_js($type,'','',$proctor,$donebuttontext);