--- rat/lonpage.pm	2006/05/30 17:15:10	1.75
+++ rat/lonpage.pm	2007/09/25 23:47:54	1.85
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Page Handler
 #
-# $Id: lonpage.pm,v 1.75 2006/05/30 17:15:10 www Exp $
+# $Id: lonpage.pm,v 1.85 2007/09/25 23:47:54 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -206,8 +206,6 @@ sub handler {
                   my %ssivlink=();
                   my %ssialink=();
      
-                  my %metalink=();
-
                   my %cellemb=();
 
                   my $allscript='';
@@ -230,7 +228,6 @@ sub handler {
 			  if ($hash{'encrypted_'.$_}) {
 			      $src=&Apache::lonenc::encrypted($src);
 			  }
-                          $metalink{$_}=$src.'.meta';
                           $cellemb{$_}=
 			      &Apache::loncommon::fileembstyle($extension);
                           if ($cellemb{$_} eq 'ssi') {
@@ -270,7 +267,7 @@ sub handler {
 				  }
 			      }
                               my $output=Apache::lonnet::ssi($src,%posthash);
-			      $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+// END LON-CAPA Internal\s*(-->)?\s||gs;
+			      $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
                               if ($target eq 'tex') {
 				  $output =~ s/^([^&]+)\\begin{document}//;
 				  $output =~ s/\\end{document}//;
@@ -338,7 +335,7 @@ sub handler {
                                   $output=~s/\<form[^\>]*\>//gsi;
                                   $output=~s/\<\/form[^\>]*\>//gsi;
                                   $output=~
-				      s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([\w\.\:]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi;
+				      s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi;
                               }
                               $thisdir=~s/\/[^\/]*$//;
 			      foreach (@rlinks) {
@@ -381,17 +378,18 @@ sub handler {
 			  $r->send_http_header;
 # ------------------------------------------------------------------------ Head
 			  if ($allscript) {
-			      $allscript .= 
-				  "\n<script type=\"text/javascript\">\n".
-				  $allscript."\n</script>\n";
+			      $allscript = 
+				  "\n".'<script type="text/javascript">'."\n".
+				  $allscript.
+				  "\n</script>\n";
 			  }
 # ------------------------------------------------------------------ Start body
-			  $r->print(&Apache::loncommon::start_page(undef,undef,
+			  $r->print(&Apache::loncommon::start_page(undef,$allscript,
 								   {'force_register' => 1,
 								    'bgcolor'        => '#ffffff',}));
 # ------------------------------------------------------------------ Start form
 			  if ($nforms) {
-			      $r->print('<form method="post" action="'.
+			      $r->print('<form name="lonhomework" method="post" action="'.
 					&Apache::lonenc::check_encrypt($requrl)
 					.'">');
 			  }
@@ -411,6 +409,7 @@ sub handler {
 		      } else {
 			  $r->print('<table width="100%" cols="'.$lcm.'" border="0">');
 		      }
+# generate rows
                       for ($i=0;$i<=$#rows;$i++) {
 			if ($rows[$i]) {
 			    unless ($target eq 'tex') {
@@ -420,52 +419,8 @@ sub handler {
                           my $avespan=$lcm/($#colcont+1);
                           for ($j=0;$j<=$#colcont;$j++) {
                               my $rid=$colcont[$j];
-                              my $metainfo = '';
-			      my $esrc=&Apache::lonnet::declutter($hash{'src_'.$rid});
-			      my ($mapid,$resid)=split(/\./,$rid);
-			      my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$hash{'src_'.$rid});
-			      if ($hash{'encrypted_'.$rid}) {
-				  $symb=&Apache::lonenc::encrypted($symb);
-				  $esrc=&Apache::lonenc::encrypted($esrc);
-			      }
-                              unless ($hash{'src_'.$rid} =~ m-^/uploaded/-) { 
-                                  $metainfo ='<a name="'.&escape($symb).'" />'.
-                                  '<a href="'.$metalink{$rid}.'" target="LONcatInfo">'.
-                                  '<img src="/adm/lonMisc/cat_button.gif" border=0>'.
-                                  '</img></a>';
-                              }
-                              $metainfo .= '<a href="/adm/evaluate?postdata='.
-				  &escape($esrc).
-                                  '" target="LONcatInfo">'.
-                                  '<img src="/adm/lonMisc/eval_button.gif" border=0>'.
-                                  '</img></a>';
-                              if (
- ($hash{'src_'.$rid}=~/\.(problem|exam|quiz|assess|survey|form)$/) &&
- (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) && 
- ($hash{'src_'.$rid} !~ m-^/uploaded/-)) {
-				  my ($mapid,$resid)=split(/\./,$rid);
-                                 my $symb=
-                &Apache::lonnet::declutter($hash{'map_id_'.$mapid}).
-                '___'.$resid.'___'.
-		&Apache::lonnet::declutter($hash{'src_'.$rid});
-                                 $metainfo.=
-                  '<a href="/adm/grades?symb='.&escape($symb).
-#                 '&command=submission" target="LONcatInfo">'.
-                  '&command=submission">'.
-                          '<img src="/adm/lonMisc/subm_button.gif" border=0>'.
-			  '</img></a>'.
-                  '<a href="/adm/grades?symb='.&escape($symb).
-#                  '&command=gradingmenu" target="LONcatInfo">'.
-                  '&command=gradingmenu">'.
-                          '<img src="/adm/lonMisc/pgrd_button.gif" border=0>'.
-			  '</img></a>'.
-                  '<a href="/adm/parmset?symb='.&escape($symb).
-#                          '" target="LONcatInfo">'.
-                          '" >'.
-                          '<img src="/adm/lonMisc/pprm_button.gif" border=0>'.
-			      '</img></a>';
-                              }
-                              $metainfo.='<br></br>';
+
+			      my $metainfo =&get_buttons(\%hash,$rid).'<br />';
 			    unless ($target eq 'tex') {
 				$r->print('<td colspan="'.$avespan.'"');
 			    }
@@ -500,13 +455,11 @@ sub handler {
                                       '.pageseparators'} eq 'yes') {
                                       unless($target eq 'tex') {
                                           $r->print('<hr />');
-                                      } else {
-                                          $r->print('\hline');
-                                      }
+                                      } 
 				  }
 			      } elsif ($cellemb{$rid} eq 'img') {
                                   $r->print('>'.$metainfo.'<img src="'.
-                                    $hash{'src_'.$rid}.'"></img>');
+                                    $hash{'src_'.$rid}.'" />');
 			      } elsif ($cellemb{$rid} eq 'emb') {
                                   $r->print('>'.$metainfo.'<embed src="'.
                                     $hash{'src_'.$rid}.'"></embed>');
@@ -542,7 +495,8 @@ sub handler {
 			  (($nforms>1)?'submit':'hidden').'"></input></form>');
                       }
 		      unless ($target eq 'tex') {
-			  $r->print(&Apache::loncommon::end_page());
+			  $r->print(&Apache::loncommon::end_page({'discussion'
+								      => 1,}));
 		      } else {
 			  $r->print('\end{document}'.$number_of_columns);
 		      }
@@ -574,6 +528,65 @@ sub handler {
   return OK; 
 }
 
+sub get_buttons {
+    my ($hash,$rid) = @_;
+
+    # which icons do we use?
+    my $extension='png';
+    if ($env{'environment.icons'} eq 'classic') { $extension='gif'; }
+
+    my $metainfo = '';
+    my $esrc=&Apache::lonnet::declutter($hash->{'src_'.$rid});
+    my ($mapid,$resid)=split(/\./,$rid);
+    my $symb=&Apache::lonnet::encode_symb($hash->{'map_id_'.$mapid},
+					  $resid,
+					  $hash->{'src_'.$rid});
+    if ($hash->{'encrypted_'.$rid}) {
+	$symb=&Apache::lonenc::encrypted($symb);
+	$esrc=&Apache::lonenc::encrypted($esrc);
+    }
+    if ($hash->{'src_'.$rid} !~ m-^/uploaded/-
+	&& !$env{'request.enc'}
+	&& ($env{'request.role.adv'}
+	    || !$hash->{'encrypted_'.$rid})) { 
+	$metainfo .='<a name="'.&escape($symb).'" />'.
+	    '<a href="'.$hash->{'src_'.$rid}.'.meta'.'" target="LONcatInfo">'.
+	    '<img src="/adm/lonMisc/cat_button.'.$extension.'" class="LC_icon" />'.
+	    '</a>';
+    }
+    $metainfo .= '<a href="/adm/evaluate?postdata='.
+	&escape($esrc).
+	'" target="LONcatInfo">'.
+	'<img src="/adm/lonMisc/eval_button.'.$extension.'" class="LC_icon" />'.
+	'</a>';
+    if (($hash->{'src_'.$rid}=~/\.(problem|exam|quiz|assess|survey|form)$/) &&
+	($hash->{'src_'.$rid} !~ m-^/uploaded/-)) {
+
+	if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) {
+	    $metainfo.=
+		'<a href="/adm/grades?symb='.&escape($symb).
+#               '&command=submission" target="LONcatInfo">'.
+		'&command=submission">'.
+		'<img src="/adm/lonMisc/subm_button.'.$extension.'" class="LC_icon" />'.
+		'</a>'.
+		'<a href="/adm/grades?symb='.&escape($symb).
+#               '&command=gradingmenu" target="LONcatInfo">'.
+		'&command=gradingmenu">'.
+		'<img src="/adm/lonMisc/pgrd_button.'.$extension.'" class="LC_icon" />'.
+		'</a>';
+	}
+	if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
+	    $metainfo.=
+		'<a href="/adm/parmset?symb='.&escape($symb).
+#               '" target="LONcatInfo">'.
+		'" >'.
+		'<img src="/adm/lonMisc/pprm_button.'.$extension.'" class="LC_icon" />'.
+		'</a>';
+	}
+    }
+    return $metainfo;
+}
+
 1;
 __END__