--- loncom/xml/scripttag.pm	2000/08/02 16:47:53	1.4
+++ loncom/xml/scripttag.pm	2000/10/02 22:22:25	1.17
@@ -8,33 +8,56 @@ use strict;
 use Apache::lonnet;
 
 sub BEGIN {
-  &Apache::lonxml::register('Apache::scripttag',('script','scriptlib','parserlib'));
+  &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
+						 'parserlib','import'));
 }
 
 sub start_script {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;
-  
+  my $args ='';
+  if ( $#$parstack > -1 ) {
+    $args=$$parstack[$#$parstack];
+  }
+  my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
+  &Apache::lonxml::debug("found type of $type");
   my $result="";
-  my $bodytext=$parser->get_text("/script");
-  if ($target ne "edit" ) {
-    $result = &Apache::run::run($bodytext,$safeeval);
+  if ($type eq "loncapa/perl") {
+    $safeeval->share('$Apache::scripttag::start_script::result');
+    #  my $bodytext=$$parser[$#$parser]->get_text("/script");
+    my $bodytext=&Apache::lonxml::get_all_text("script",$$parser[$#$parser]);
+    
+    if ( $target eq "modified" ) {
+      
+    }
+
+    #  print "<br> script runs $bodytext</br>";
+    &Apache::run::run($bodytext,$safeeval);
+    
+    if ($target eq "edit" ) {
+      $result= "<br> &lt;$token->[1]&gt; output: <br>$bodytext<br>Source:<br>";
+      $result.=&editfield($token->[1],$bodytext);
+    }
   } else {
-    $result="<textarea>$bodytext</textarea>\n";
+    $result = $token->[4];
   }
-  return $result;
 }
 
-sub end_script {}
+sub end_script {
+  my ($target,$token,$parstack,$parser,$safeeval)=@_;
+  return $token->[2]; 
+}
 
 sub start_scriptlib {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;
-  my $bodytext=$parser->get_text("/scriptlib");
+  my $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
   my $result ="";
-  if ($target ne "edit" ) {
-    &Apache::run::run(&getfile($bodytext),$safeeval);
-    #print "ran $bodytext:<br>".&getfile($bodytext)."<br>";
-  } else {
-    $result="<textarea>$bodytext</textarea>\n";
+
+  $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
+  &Apache::run::run(&getfile($bodytext),$safeeval);
+  #print "ran $bodytext:<br>".&getfile($bodytext)."<br>";
+
+  if ($target eq "edit" ) {
+    $result.=&editfield($token->[1],$bodytext);
   }
   return $result;
 }
@@ -43,22 +66,71 @@ sub end_scriptlib {}
 
 sub start_parserlib {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
-  my $bodytext="/home/httpd/html/".$parser->get_text("/parserlib");
-  %$style = ( %$style , &Apache::style::styleparser($target, &getfile($bodytext)));
+  my $bodytext=$$parser[$#$parser]->get_text("/parserlib");
+  my $result ="";
+
+  $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
+  %$style = ( %$style , &Apache::style::styleparser($target, 
+		&getfile($bodytext)));
+
+  if ($target eq "edit" ) {
+    $result=&editfield($token->[1],$bodytext);
+  }
+  return $result;
 }
 
 sub end_parserlib {
 }
 
+sub start_import {
+  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
+  my $bodytext=$$parser[$#$parser]->get_text("/import");
+  my $result ="";
+
+  $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
+  my $file=&getfile($bodytext);
+  if ($file eq -1) {
+    return "<b> Unable to find <i>$bodytext</i> for import</b>";
+  }
+
+  my $tempparser=HTML::TokeParser->new(\$file);
+  push (@$parser,$tempparser);
+
+  if ($target eq "edit" ) {
+    $result.=&editfield($token->[1],$bodytext);
+    $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br></br>"
+  }
+}
+
+sub end_import {
+}
+
+sub editfield {
+  my ($tag,$data)=@_;
+  
+  my $count=0;
+  my $maxlength=-1;
+  map { $count++;
+	if (length($_) > $maxlength) { $maxlength = length ($_); }
+      } split ("\n", $data);
+	  
+  return "<br></br>\n&lt;$tag&gt;<br></br>\n&nbsp;&nbsp;&nbsp;<textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br></br>\n&lt;/$tag&gt;<br></br>\n";
+}
+
 sub getfile {
   my ($filename) = @_;
   my $a="";
-  &Apache::lonnet::repcopy($filename);
-  {
-    my $fh=Apache::File->new($filename);
-    while (<$fh>) {
+  
+  $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
+  $filename="/home/httpd/html/res".$filename;
+  if (! -e $filename ) {
+    &Apache::lonnet::subscribe($filename);
+    &Apache::lonnet::repcopy($filename);
+  }
+  if (! -e $filename ) { return -1; };
+  my $fh=Apache::File->new($filename);
+  while (<$fh>) {
       $a .=$_;
-    }
   }
   return $a
 }