--- loncom/interface/lonprintout.pm	2006/08/03 02:36:56	1.476
+++ loncom/interface/lonprintout.pm	2006/08/22 14:44:39	1.482
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # Printout
 #
-# $Id: lonprintout.pm,v 1.476 2006/08/03 02:36:56 albertel Exp $
+# $Id: lonprintout.pm,v 1.482 2006/08/22 14:44:39 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -812,6 +812,8 @@ sub details_for_menu {
     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
     my $symbolic = &Apache::lonnet::symbread($postdata);
+    return if ( $symbolic eq '');
+
     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
     $map=&Apache::lonnet::clutter($map);
     my $name_of_sequence = &Apache::lonnet::gettitle($map);
@@ -1119,7 +1121,9 @@ sub print_construction_sequence {
 		    # If necessary, encapsulate answer in minipage:
 		    
 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
-		    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
+		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
+		    $title = &Apache::lonxml::latex_special_symbols($title);
+		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
 		    $body = &encapsulate_minipage($body);
@@ -1314,7 +1318,9 @@ ENDPART
 		} else {
 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
-			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
+			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
+			$title = &Apache::lonxml::latex_special_symbols($title);
+			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
 		    } else {
 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
@@ -1435,7 +1441,9 @@ ENDPART
 		    } else {
 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
-			    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
+			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
+			    $title = &Apache::lonxml::latex_special_symbols($title);
+			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
 			    $body   .='\vskip 1 mm '.$answer;
 			    $body    = &encapsulate_minipage($body);
@@ -1952,8 +1960,10 @@ sub print_resources {
 
 			    
 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
-			    my $body   ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
-			    $body     .=&path_to_problem($res_url,$LaTeXwidth);			    
+			    my $title = &Apache::lonnet::gettitle($curresline);
+			    $title = &Apache::lonxml::latex_special_symbols($title);
+			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
+			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
 			    $body     .='\vskip 1 mm '.$ansrendered;
 			    $body     = &encapsulate_minipage($body);
 			    $rendered = $header.$body;
@@ -2151,6 +2161,9 @@ sub printHelper {
     } else {
         if ($env{'form.postdata'}) {
             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
+	    if ( $helper->{VARS}->{'symb'} eq '') {
+		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
+	    }
         }
         if ($env{'form.symb'}) {
             $helper->{VARS}->{'symb'} = $env{'form.symb'};
@@ -2186,9 +2199,14 @@ sub printHelper {
         $subdir = substr($helper->{VARS}->{'filename'},
                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
     } else {
-        ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
-        $helper->{VARS}->{'postdata'} = 
-	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
+	if ($symb ne '') {
+	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
+	    $helper->{VARS}->{'postdata'} = 
+		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
+	} else {
+	    $url = $helper->{VARS}->{'postdata'};
+	}
+	$url = &Apache::lonnet::clutter($url);
 
         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
             my $postdata = $helper->{VARS}->{'postdata'};
@@ -2209,11 +2227,6 @@ sub printHelper {
 
     # "Delete everything after the last slash."
     $subdir =~ s|/[^/]+$||;
-    if (not $helper->{VARS}->{'construction'}) {
-	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
-    }
-    # "Remove all duplicate slashes."
-    $subdir =~ s|/+|/|g;
 
     # What can be printed is a very dynamic decision based on
     # lots of factors. So we need to dynamically build this list.
@@ -2605,12 +2618,20 @@ CHOOSE_ANON2
     }
 
     # FIXME: That RE should come from a library somewhere.
-    if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
-        push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$subdir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
+    if ($perm{'pav'} 
+	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
+	&& (defined($helper->{'VARS'}->{'construction'})
+	    ||
+	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
+	     && 
+	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
+	    )
+	) {
 
-        my $f = '$filename';
+	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
+        push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
-  <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
+  <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
 
     <files variable="FILES" multichoice='1'>
       <nextstate>PAGESIZE</nextstate>