--- loncom/xml/londefdef.pm	2002/04/05 18:11:11	1.51
+++ loncom/xml/londefdef.pm	2002/07/01 19:58:25	1.67
@@ -2,7 +2,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.51 2002/04/05 18:11:11 sakharuk Exp $
+# $Id: londefdef.pm,v 1.67 2002/07/01 19:58:25 sakharuk Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -45,12 +45,14 @@
 
 package Apache::londefdef; 
 
+use Apache::lonnet;
 use strict;
 use Apache::lonxml;
+use Apache::File();
 
 BEGIN {
 
-    &Apache::lonxml::register('Apache::londefdef',('m','html','head','map','select','option','input','textarea','form','meta','title','body','center','b','strong','dt','h1','h2','h3','h4','h5','h6','cite','i','address','dd','dl','dir','ol','ul','menu','dfn','kbd','tt','code','em','q','p','br','big','small','basefont','font','s','sub','strike','sup','hr','a','li','u','output','param','applet','img','embed','allow','frameset','pre','insert','externallink','table','tr','td'));
+    &Apache::lonxml::register('Apache::londefdef',('m','html','head','map','select','option','input','textarea','form','meta','title','body','center','b','strong','dt','h1','h2','h3','h4','h5','h6','cite','i','address','dd','dl','dir','ol','ul','menu','dfn','kbd','tt','code','em','q','p','br','big','small','basefont','font','s','sub','strike','sup','hr','a','li','u','output','param','applet','img','embed','allow','frameset','pre','insert','externallink','table','tr','th','td','blankspace','bubble','bubbles','bubbleline'));
 
 }
 
@@ -71,6 +73,7 @@ sub start_m {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
   my $currentstring = '';
   if ($target eq 'web') {
+    $Apache::lonxml::prevent_entity_encode++;
     my $inside = &Apache::lonxml::get_all_text("/m",$$parser[-1]);
     $inside ='\\documentstyle{article}'.$inside;
     &Apache::lonxml::debug("M is starting with:$inside:");
@@ -95,6 +98,7 @@ sub end_m {
   my ($target,$token) = @_;
   my $currentstring = '';
   if ($target eq 'web') {
+    $Apache::lonxml::prevent_entity_encode--;
   } elsif ($target eq 'tex') {
     $currentstring = "";
   } elsif ($target eq 'meta') {
@@ -114,10 +118,11 @@ sub end_m {
               $currentstring = &Apache::lonxml::xmlbegin().
                                &Apache::lonxml::fontsettings();     
 	    } elsif ($target eq 'tex') {
+	      @Apache::londefdef::table = ();
 	      $currentstring .= '\documentclass[letterpaper]{article}
                                  \newcommand{\keephidden}[1]{}           
                                  \usepackage[dvips]{graphicx}
-                                 \usepackage{epsfig}';
+                                 \usepackage{epsfig}\usepackage{calc}';
 	    }
 	   return $currentstring;
 	}
@@ -334,7 +339,8 @@ sub end_m {
 		  delete($token->[2]->{$key});
 		}
 	      }
-	      $token->[2]->{'onLoad'}=$onLoad.&Apache::lonxml::loadevents();
+	      $token->[2]->{'onLoad'}=&Apache::lonxml::loadevents().
+		                       ';'.$onLoad;
 	      my $onUnload='';
 	      foreach my $key (keys(%{$token->[2]})) {
 		if ($key =~ /^onunload$/i) {
@@ -342,8 +348,8 @@ sub end_m {
 		  delete($token->[2]->{$key});
 		}
 	      }
-	      $token->[2]->{'onUnload'}=$onUnload.
-		&Apache::lonxml::unloadevents();
+	      $token->[2]->{'onUnload'}=&Apache::lonxml::unloadevents().
+		                         ';'.$onUnload;
 
 	      $currentstring .= '<'.$token->[1];
 	      foreach (keys %{$token->[2]}) {
@@ -834,7 +840,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[4];
 	    } elsif ($target eq 'tex') {
-		$currentstring .= '\\\\';
+		$currentstring .= '\vskip 0 mm';
 	    } elsif ($target eq 'latexsource') {
 		$currentstring .= '\\';
 	    } 
@@ -917,17 +923,21 @@ EDITBUTTON
       }
 #-- <font> tag
          sub start_font {
-	    my ($target,$token) = @_;
+	    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
             my $currentstring = '';
             if ($target eq 'web') {
+	      my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
+	      if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}
               $currentstring = $token->[4];     
 	    } 
 	   return $currentstring;
 	}
         sub end_font {
-	    my ($target,$token) = @_;
+	    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
             my $currentstring = '';
             if ($target eq 'web') {
+	      my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
+	      if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;}
               $currentstring = $token->[2];    
             } 
 	   return $currentstring;
@@ -1264,19 +1274,20 @@ EDITBUTTON
             if ($target eq 'web') {
               $currentstring = $token->[4];     
 	    } elsif ($target eq 'tex') {
-		&Apache::lonxml::startredirection;
+		my $aa = {};
+		push @Apache::londefdef::table, $aa; 
+		$Apache::londefdef::table[-1]{'row_number'} = -1;
+		$Apache::londefdef::table[-1]{'output'} = '\begin{tabular} ';
 		my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
 		unless (defined $border) { $border = 0; }
-		@Apache::londefdef::rows = ();
-		@Apache::londefdef::columns = ();
-		$Apache::londefdef::counter_columns = 0;
-		$Apache::londefdef::hinc = '';
-                $Apache::londefdef::vinc = '';   
-		$Apache::londefdef::vvinc = '';
 		if ($border) { 
-		    $Apache::londefdef::hinc = '\hline '; 
-		    $Apache::londefdef::vinc =  '&'; 
-		    $Apache::londefdef::vvinc =  '|';
+		    $Apache::londefdef::table[-1]{'hinc'} = '\hline '; 
+		    $Apache::londefdef::table[-1]{'vinc'} = '&'; 
+		    $Apache::londefdef::table[-1]{'vvinc'} = '|';
+		} else {
+		    $Apache::londefdef::table[-1]{'hinc'} = ''; 
+		    $Apache::londefdef::table[-1]{'vinc'} = ''; 
+		    $Apache::londefdef::table[-1]{'vvinc'} = '';
 		}
 	    } 
 	   return $currentstring;
@@ -1287,17 +1298,29 @@ EDITBUTTON
             if ($target eq 'web') {
               $currentstring = $token->[2];     
 	    } elsif ($target eq 'tex') {
-		my $output=&Apache::lonxml::endredirection;	
-		$output =~ s/<\/td>\s*<td\s*([^>]*)>/$Apache::londefdef::vinc/g;
-		$output =~ s/<td\s*([^>]*)>//g;
-		$output =~ s/<\/td>//g;
-		my $header_of_table = '{'.$Apache::londefdef::vvinc;
+		my $inmemory = '';
+		my $output = '';
+		my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
 		my $in;
-		for ($in=0;$in<$Apache::londefdef::counter_columns;$in++) {
-		    $header_of_table .= $Apache::londefdef::columns[$in].$Apache::londefdef::vvinc;
+		for ($in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
+		    $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
 		}
 		$header_of_table .= '}';
-		$currentstring .= '\begin{tabular}'.$header_of_table.$output.$Apache::londefdef::hinc.'\end{tabular}';
+		for ($in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
+		    $output .=  $Apache::londefdef::table[-1]{'rowdata'}[$in];
+		    chop $output;
+		    $output .= ' \\\\ ';
+		}
+		$Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}';
+		if ($#Apache::londefdef::table > 0) {
+		    $inmemory = $Apache::londefdef::table[-1]{'output'};
+		    pop @Apache::londefdef::table;
+		    $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}] .= $inmemory;
+		} else {
+		    $currentstring = $Apache::londefdef::table[-1]{'output'};
+		    $currentstring =~ s/\\\\\s+\\\\/\\\\/g; 
+		    pop @Apache::londefdef::table;
+		}
 	    }
 	   return $currentstring;
 	}
@@ -1308,13 +1331,16 @@ EDITBUTTON
             if ($target eq 'web') {
               $currentstring = $token->[4];     
 	    } elsif ($target eq 'tex') {
-		if (substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1) ne '') {
-		    push @Apache::londefdef::rows, substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1);
+		$Apache::londefdef::table[-1]{'row_number'}++;
+		my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1);
+		if ($alignchar ne '') {
+		    push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
 		} else {
-		    push @Apache::londefdef::rows, 'c';
+		    push @ {$Apache::londefdef::table[-1]{'rows'} }, 'c';
 		}
-		$currentstring = '\hline ';
-		$Apache::londefdef::counter_columns = 0;
+		push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
+		$Apache::londefdef::table[-1]{'counter_columns'} = -1;
+
 	    } 
 	   return $currentstring;
 	}        
@@ -1324,7 +1350,7 @@ EDITBUTTON
             if ($target eq 'web') {
 		$currentstring = $token->[2];     
 	    } elsif ($target eq 'tex') {
-		$currentstring = '\\\\'; 
+#		$currentstring .= ' START ROW '. $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}].' END ROW ';
 	    }
 	   return $currentstring;
 	}
@@ -1337,11 +1363,12 @@ EDITBUTTON
 	    } elsif ($target eq 'tex') {
 		my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1);
 		if ($what_to_push eq '') {
-		    $what_to_push = substr($Apache::londefdef::rows[0],0,1);
+		    $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
 		}
-		    push @Apache::londefdef::columns, $what_to_push;
-		$Apache::londefdef::counter_columns++;
-		$currentstring = $token->[4];;
+		    push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
+		$Apache::londefdef::table[-1]{'counter_columns'}++;
+		&Apache::lonxml::startredirection();
+;
 	    } 
 	   return $currentstring;
 	}        
@@ -1351,7 +1378,39 @@ EDITBUTTON
             if ($target eq 'web') {
 		$currentstring = $token->[2];     
 	    } elsif ($target eq 'tex') {
-		$currentstring = $token->[2];;
+		my $current_row = $Apache::londefdef::table[-1]{'row_number'};
+		my $data=&Apache::lonxml::endredirection();
+		@{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= $data.' '.$Apache::londefdef::table[-1]{'vinc'};
+	    }
+	   return $currentstring;
+	}
+#-- <th> tag
+        sub start_th {
+	    my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+            my $currentstring = '';
+            if ($target eq 'web') {
+              $currentstring = $token->[4];     
+	    } elsif ($target eq 'tex') {
+		my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1);
+		if ($what_to_push eq '') {
+		    $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);;
+		}
+		    push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
+		$Apache::londefdef::table[-1]{'counter_columns'}++;
+		&Apache::lonxml::startredirection();
+;
+	    } 
+	   return $currentstring;
+	}        
+        sub end_th {
+	    my ($target,$token) = @_;
+            my $currentstring = '';
+            if ($target eq 'web') {
+		$currentstring = $token->[2];     
+	    } elsif ($target eq 'tex') {
+		my $current_row = $Apache::londefdef::table[-1]{'row_number'};
+		my $data=&Apache::lonxml::endredirection();
+		@{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\bf{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
 	    }
 	   return $currentstring;
 	}
@@ -1361,33 +1420,79 @@ EDITBUTTON
             $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
                                         $token->[2]->{'src'};
             my $currentstring = '';
+	    my $width_param = '';
 
 	    if ($target eq 'web') {
               $currentstring = $token->[4];     
 	    } elsif ($target eq 'tex') {
+	      my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); 
+              my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); 
+	      my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval);
+	      if ($TeXwidth ne '') { 
+		  $width_param = $TeXwidth; 
+	      } elsif ($TeXheight ne '') { 
+		  $width_param = $TeXheight; 
+	      } else {
+		  if ($width ne '') {
+		      $width_param = $width*.3;
+		      if ($width_param <= 900) {
+			  $width_param = '[width='.$width_param.'mm]';
+		      } else {
+			  $width_param = '[width= 9.0 cm]';
+		      }
+		  }
+	      }
 	      my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval);
+	      $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+	      my $epssrc = $src;
+	      $epssrc =~ s/(\.gif|\.jpg|\.GIF|\.JPG)$/\.eps/;
+	      if (not -e $epssrc) {
+		  my $localfile = $epssrc;
+		  $localfile =~ s/.*(\/res)/$1/;	
+		  my $file;
+		  my $path;	
+		  if ($localfile =~ m!(.*)/([^/]*)$!) {
+		      $file = $2;
+		      $path = $1.'/'; 
+		  }	
+		  my $signal_eps = 0;
+		  my @content_directory = &Apache::lonnet::dirlist($path);
+		  for (my $iy=0;$iy<=$#content_directory;$iy++) {
+		      my @tempo_array = split(/&/,$content_directory[$iy]);
+		      $content_directory[$iy] = $tempo_array[0];
+		      if ($file eq $tempo_array[0]) {
+			  $signal_eps = 1;
+			  last;
+		      }
+		  }
+		  if ($signal_eps) {
+		      my $eps_file = &Apache::lonnet::getfile($localfile);
+		  } else {
+		      $localfile = $src;
+		      $localfile =~ s/.*(\/res)/$1/;	
+		      my $as = &Apache::lonnet::getfile($src);
+		      
+		  }
+	      }
 	      my $file;
-	      my $path;
+	      my $path;	
               if ($src =~ m!(.*)/([^/]*)$!) {
-		$file = $2;
-		$path = $1;
-		if ($path=~m:^/:) {
-		  $path = '/home/httpd/html'.$path;
-		} elsif ($path =~ /^\./) {
-		  $path = $Apache::lonxml::pwd[-1].'/'.$path;
-		} else {
-		  #else it is a full url don't print
-		  $path = undef;
-		}
-	      } else {
-		$path = $Apache::lonxml::pwd[-1];
-		$file = $src;
+		  $file = $2;
+		  $path = $1.'/'; 
 	      }
-	      $file=~s/(\.gif|\.jpg)$/\.eps/;
-	      if ($path) {
-		$currentstring = '\graphicspath{{'.$path.'/}}\fbox{\includegraphics{'.$file.'}}';
+	      my $newsrc = $src;
+	      $newsrc =~ s/(\.gif|\.jpg)$/\.eps/i;
+		  $file=~s/(\.gif|\.jpg)$/\.eps/i;
+	      if (-e $newsrc) {
+		  if ($path) {
+		      $currentstring .= '\noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics'.$width_param.'{'.$file.'}}';
+		  }
 	      } else {
-		$currentstring = 'See the image at \tt{'.$src.'}';
+		  my $temp_file;
+		  my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
+		  $temp_file = Apache::File->new('>>'.$filename); 
+		  print $temp_file "$src\n";
+		  $currentstring .= '\graphicspath{{/home/httpd/prtspool/}}\fbox{\includegraphics'.$width_param.'{'.$file.'}}';
 	      }
 	    }
 	    return $currentstring;
@@ -1574,5 +1679,24 @@ sub start_embed {
 	    }
            return $currentstring;
 	}
+#-- <blankspace heigth="">
+        sub start_blankspace {
+	    my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+            my $currentstring = '';
+            if ($target eq 'tex') {
+		my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval);
+		$currentstring .= '\vskip '.$howmuch.' ';
+	    }
+           return $currentstring;
+	}
+        sub end_blankspace {
+	    my ($target,$token) = @_;
+            my $currentstring = '';
+            if ($target eq 'tex') {
+	       $currentstring .= '';
+	    }
+           return $currentstring;
+	}
+
 1;
 __END__