--- loncom/homework/randomlabel.pm	2002/08/07 21:49:35	1.34
+++ loncom/homework/randomlabel.pm	2002/10/22 21:25:34	1.38
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # random labelling tool
 #
-# $Id: randomlabel.pm,v 1.34 2002/08/07 21:49:35 sakharuk Exp $
+# $Id: randomlabel.pm,v 1.38 2002/10/22 21:25:34 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -60,6 +60,8 @@ package Apache::randomlabel;
 use Apache::lonnet;
 use strict;
 use Apache::edit;
+use Apache::File();
+use Apache::Constants qw(:common :http);
 
 BEGIN {
   &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label'));
@@ -106,13 +108,34 @@ sub start_randomlabel {
     $result.="<applet code=\"$code\" codebase=\"$codebase\" width=\"$w\" height=\"$h\">\n";
     $result.="<param name=\"bgimg\" value=\"$bgimg\">\n";
   } elsif ($target eq 'tex') {
+    my $newbgimg = $bgimg;
     $bgimg=~s/(.gif|.jpg)$/.eps/;
     $bgimg= &Apache::lonnet::filelocation($bgimg);
     if (not $ENV{'request.role'}=~/^au\./) {
 	$bgimg=~s/http:\/[^\/]*/\/home\/httpd\/html/;
+	$bgimg=~s/\/$//;
+        #if no eps file try to replicate it
+	if (not-e $bgimg) {
+	    if (&Apache::lonnet::repcopy($bgimg) ne OK ) {
+		#if replication failed try to find ps file
+		$bgimg=~s/\.eps$/\.ps/;
+		#if no ps file try to replicate it
+		if (not-e $bgimg &&
+		    &Apache::lonnet::repcopy($bgimg) ne OK) {
+                    #if replication failed try to produce eps file dynamically
+		    $bgimg=~s/\.ps$/\.eps/;
+		    my $temp_file;
+		    my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
+		    $temp_file = Apache::File->new('>>'.$filename);
+		    $newbgimg =~ s/(.*)\/res\//\/home\/httpd\/html\/res\//;
+		    print $temp_file "$newbgimg\n";
+		    $bgimg =~ m/\/([^\/]+)$/;
+		    $bgimg = '/home/httpd/prtspool/'.$1;
+		}
+	    }
+	}
     } else {
 	$bgimg=~s/http:\/[^\/]*\/~([^\/]+)/\/home\/$1\/public_html/;
-
     }
     $bgimg=~s/\/$//;
     my $dirtywidth=$texwidth+5;
@@ -156,7 +179,7 @@ sub end_randomlabel {
     if( $count != 0) { $result.= "<param name=\"ICOUNT\" value=\"$count\">\n"; }
     $result .= "</applet>\n<BR />";
   } elsif ($target eq 'tex') {
-      $result='\end{picture}\\\\}';
+      $result='\end{picture}\\\\';
 	  @$parstack[-1]=~/\$height\s*=\s*?"(.+)?"/;
       my $one=$1;
 	  @$parstack[-1]=~/\$width\s*=\s*?"(.+)?"/;
@@ -164,7 +187,7 @@ sub end_randomlabel {
 	  @$parstack[-1]=~/\$texwidth\s*=\s*?"(.+)?"/;
       my $three=$1;
       my $howtoskipback = $three*$one/$two;
-      $result.=' \vskip -'.$howtoskipback.' mm ';
+      $result.=' \vskip -'.$howtoskipback.' mm }';
   } elsif ($target eq 'edit') {
     $result.=&Apache::edit::end_table;
   }
@@ -177,8 +200,8 @@ sub start_labelgroup {
   my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
   $type =~tr/A-Z/a-z/;
-  if ($target eq 'web' || $target eq 'tex' || 
-      $target eq 'grade' || $target eq 'answer') {
+  if ($target eq 'web' || $target eq 'tex' ||
+      $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') {
     $Apache::randomlabel::groupname=$name;
     $Apache::randomlabel::type=$type;
     @Apache::randomlabel::xcoord = ();
@@ -226,7 +249,8 @@ sub end_labelgroup {
   my $gname = $Apache::randomlabel::groupname;
   my $type  = $Apache::randomlabel::type;
   my $result='';
-  if ($target eq 'web' || $target eq 'answer' || $target eq 'grade') {
+  if ($target eq 'web' || $target eq 'answer' || $target eq 'grade' ||
+      $target eq 'analyze') {
     my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
     &Apache::structuretags::shuffle(\@idx_arr);
     for(0 .. $#Apache::randomlabel::label_arr) {
@@ -350,8 +374,8 @@ sub start_label {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';
   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
-  if ($target eq 'web' || $target eq 'tex' || 
-      $target eq 'grade' || $target eq 'answer') {
+  if ($target eq 'web' || $target eq 'tex' ||
+      $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') {
     my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[-1]);
     $ltext=&Apache::run::evaluate($ltext,$safeeval,$$parstack[-1]);
     if ($type eq 'image') {