--- loncom/xml/londefdef.pm	2006/09/19 10:57:11	1.337
+++ loncom/xml/londefdef.pm	2006/12/18 11:17:46	1.347
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.337 2006/09/19 10:57:11 foxr Exp $
+# $Id: londefdef.pm,v 1.347 2006/12/18 11:17:46 foxr Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -48,6 +48,7 @@ use Apache::lonmenu();
 use Apache::lonmeta();
 use Apache::Constants qw(:common);
 use File::Basename;
+use LONCAPA();
 # use Data::Dumper;
 
 BEGIN {
@@ -1228,6 +1229,8 @@ sub start_br {
 	    $currentstring .= ' \vskip 0 mm ';
 	} elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
 	    $currentstring .= '\strut \\\\ \strut ';
+	} else {                   # Honor break in simple <sup></sup>
+	    $currentstring .= '}} \strut \\\\ \strut \ensuremath{^{'; 
 	}
     }
     return $currentstring;
@@ -1914,8 +1917,7 @@ sub start_table {
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring .= $token->[4];     
     } elsif ($target eq 'tex') {
-	my $aa = {};
-	push @Apache::londefdef::table, $aa; 
+	push(@Apache::londefdef::table, {}); 
 	$Apache::londefdef::table[-1]{'row_number'} = -1;
         #maximum table's width (default coincides with text line length)
 	if ($#Apache::londefdef::table==0) {
@@ -1989,7 +1991,13 @@ sub start_table {
         $Apache::londefdef::table[-1]{'minlen'}=[];
         $Apache::londefdef::table[-1]{'content'}=[];
         $Apache::londefdef::table[-1]{'align'}=[];
-        $currentstring.='\keephidden{NEW TABLE ENTRY}';
+	if (&is_inside_of($tagstack, 'sup')) {
+	    $currentstring .= '}} \\\\ \ensuremath{^{ ';
+	}
+	if (&is_inside_of($tagstack, 'sub')) {
+	    $currentstring .= '}} \\\\ \ensuremath{_{ ';
+	}
+        $currentstring.=' \keephidden{NEW TABLE ENTRY}';
 
 
     }
@@ -2844,23 +2852,24 @@ sub start_img {
 	#if original gif/jpg/png file exist do following:
 	my $origsrc=$src;
 	my ($path,$file) = &get_eps_image($src);
+	# &Apache::lonnet::logthis("Image source: $src result: $path $file");
 	$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
 	&Apache::lonxml::debug("path = $path file = $file src = $src");
 	if (-e $src) {
 	    &Apache::lonxml::debug("$src exists");
 	    my ($height_param,$width_param)=
 		&image_size($origsrc,0.3,$parstack,$safeeval);
-	    my $destpath = $path;
-	    $destpath    =~ s/ /\_/g; # Spaces in path cause LaTex to vomit.
-	    my $destfile = $file;
-	    $destfile    =~ s/ /\_/g;
 	    my $size;
 	    if ($width_param)  { $size.='width='.$width_param.' mm,'; }
 	    if ($height_param) { $size.='height='.$height_param.' mm]'; }
+	    # Default size if not able to extract that (e.g. eps image).
+	    
+	    # &Apache::lonnet::logthis("Size = $size");
+	    
 	    $size='['.$size;
 	    $size=~s/,$/]/; 
-	    $currentstring .= '\graphicspath{{'.$destpath.'}}'
-		.'\includegraphics'.$size.'{'.$destfile.'} ';
+	    $currentstring .= '\graphicspath{{'.$path.'}}'
+		.'\includegraphics'.$size.'{'.$file.'} ';
 
 	    #    If there's an alignment specification we need to honor it here.
 	    #    For the horizontal alignments, we will also honor the
@@ -2878,6 +2887,9 @@ sub start_img {
 	    } elsif ($align eq "left")   { 
 		if ($latex_rendering eq "parpic") { 
 		    $currentstring = '\parpic[l]{'.$currentstring.'}';
+		} elsif ($latex_rendering eq "parbox") {
+		    $currentstring = '\begin{minipage}[l]{'.$width_param.'mm}'
+			.$currentstring.'\end{minipage}';
 		} else {    	                                 # wrapfig render
 		    $currentstring = '\begin{wrapfigure}{l}{'.$width_param.'mm}'
 			.'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
@@ -2885,6 +2897,9 @@ sub start_img {
 	    } elsif ($align eq "right")  {   
 		if ($latex_rendering eq "parpic") {
 		    $currentstring = '\parpic[r]{'.$currentstring.'}';
+		} elsif ($latex_rendering eq "parbox") {
+		    $currentstring =  '\begin{minipage}[r]{'.$width_param.'mm}'
+			.$currentstring.'\end{minipage}';
 		} else {	                                 # wrapfig rendering
 		    $currentstring = '\begin{wrapfigure}{r}{'.$width_param.'mm}'
 			.'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
@@ -2920,7 +2935,7 @@ sub start_img {
 	$currentstring .=&Apache::edit::select_arg('Alignment:','align',
 						   ['','bottom','middle','top','left','right'],$token,5);
 	$currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
-						   ['', 'parbox', 'parpic'], $token, 2);
+						   ['', 'parbox', 'parpic', 'wrapfigure'], $token, 2);
 	$currentstring .=&Apache::edit::select_arg('Encrypt URL:','encrypturl',
 						   ['no','yes'], $token, 2);
 	$currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
@@ -3412,6 +3427,9 @@ sub start_blockquote {
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring .= $token->[4];     
     } 
+    if ($target eq 'tex') {
+	$currentstring .= '\begin{quote}';
+    }
     return $currentstring;
 }
 
@@ -3421,6 +3439,9 @@ sub end_blockquote {
     if ($target eq 'web' || $target eq 'webgrade') {
 	$currentstring = $token->[2];    
     } 
+    if ($target eq 'tex') {
+	$currentstring = '\end{quote}';
+    }
     return $currentstring;
 }
 
@@ -4221,7 +4242,7 @@ sub get_eps_image {
 	&Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
     }
     &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
-    my ($spath, $sname, $sext) = fileparse($src, qr/\.(gif|png|jpg|jpeg)/i);
+    my ($spath, $sname, $sext) = &fileparse($src, qr/\.(gif|png|jpg|jpeg)/i);
     $src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i;
     $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
     &Apache::lonxml::debug("Filelocation gives: $src");
@@ -4246,17 +4267,33 @@ sub get_eps_image {
 		my $newsrc=$orig_src;
 		$newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
 		&Apache::lonxml::debug("queueing $newsrc for dynamic eps production.");
-		print FILE "$newsrc\n";
-		close FILE;
+		print FILE ("$newsrc\n");
+		close(FILE);
 		$src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
 		$src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
 		if ($sext ne "") {	 # Put the ext. back in to uniquify.
 		    $src =~ s/\.eps$/$sext.eps/;
 		}
+
 	    }
+
 	}
+    } else {
+	# If the postscript file has spaces in its name,
+	# LaTeX will gratuitiously vomit.  Therefore
+	# queue such files for copy with " " replaced by "_".
+	# printout.pm will know them by their .ps  or .eps extensions.
+	my $newsrc = $orig_src;
+	$newsrc    =~  s|(.*)/res/|/home/httpd/html/res/|;
+	open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
+	print FILE "$src\n";
+	close FILE;
+	$src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
+	$src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
     }
     my ($path,$file)=($src=~m|(.*)/([^/]*)$|);
+    $path =~ s/ /\_/g;
+    $file =~ s/ /\_/g;
     &Apache::lonxml::debug("get_eps_image returning: $path / $file<BR />");
     return ($path.'/',$file);
 }
@@ -4268,15 +4305,15 @@ sub eps_generation {
     print $temp_file "$src\n";
     my $newsrc = $src;
     $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
-    $newsrc=~s/\/home\/httpd\/html\/res//;
-    $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
-    $newsrc=~s/\/\.\//\//;
-    $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
-    if ($newsrc=~/\/home\/httpd\/lonUsers\//) {
-	$newsrc=~s/\/home\/httpd\/lonUsers//;
-	$newsrc=~s/\/([^\/]+)\/(\w)\/(\w)\/(\w)\//\/$1\//;
+    $newsrc=~s{/home/httpd/html/res}{};
+    $newsrc=~s{/home/($LONCAPA::username_re)/public_html/}{/$1/};
+    $newsrc=~s{/\./}{/};
+    $newsrc=~s{/([^/]+)\.(ps|eps)}{/};
+    if ($newsrc=~m{/home/httpd/lonUsers/}) {
+	$newsrc=~s{/home/httpd/lonUsers}{};
+	$newsrc=~s{/($LONCAPA::domain_re)/./././}{/$1/};
     }
-    if ($newsrc=~/\/userfiles\//) {
+    if ($newsrc=~m{/userfiles/}) {
 	return ' \graphicspath{{'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
     } else {
 	return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';