--- loncom/xml/scripttag.pm	2011/12/23 18:34:11	1.163
+++ loncom/xml/scripttag.pm	2013/09/30 13:44:16	1.168
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # <script> definiton
 #
-# $Id: scripttag.pm,v 1.163 2011/12/23 18:34:11 www Exp $
+# $Id: scripttag.pm,v 1.168 2013/09/30 13:44:16 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -31,6 +31,8 @@ package Apache::scripttag;
 use strict;
 use Apache::lonnet;
 use Apache::lonlocal;
+use Apache::lonxml();
+use Apache::londefdef();
 use Apache::style();
 
 #Globals
@@ -109,7 +111,8 @@ sub start_script {
 		     $env{'form.counter'},$Apache::lonxml::curdepth);
             &Apache::lonxml::add_script_result(
 	             &Apache::loncommon::modal_adhoc_window($function_name,500,500,
-                            '<pre>'.&Apache::run::dump($target,$safeeval).'</pre>',
+                            '<pre style="background-color:#ffffff;">'.
+                            &Apache::run::dump($target,$safeeval).'</pre>',
                             &mt('Script Vars'))."<br />");
 	}
     } elsif ($target eq "edit" ) {
@@ -126,6 +129,38 @@ sub start_script {
       if ($target ne "meta" && $target ne 'tex' && $target ne 'answer') {
 	  $result = $token->[4];
 	  $result.=$bodytext;
+          my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
+          my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
+          my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+          my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+          if ($src ne '') {
+              if ($src !~ m{^(/|https?://)}) {
+                  my $cleanhref = &Apache::londefdef::clean_docs_httpref($src,$url,$cdom,$cnum);
+                  if ($cleanhref) {
+                      &Apache::lonxml::extlink($cleanhref);
+                  }
+              }
+          } elsif (($type eq 'text/javascript') && ($bodytext ne '')) {
+              if ($url =~ m{^\Q/uploaded/$cdom/$cnum/docs/\E}) {
+                  if ($bodytext =~ m{\.set\w+(Src|Swf)\(["']}i) {
+                      my @srcs = split(/\.set/,$bodytext);
+                      if (scalar(@srcs) > 1) {
+                          foreach my $item (@srcs) {
+                              if ($item =~ m{^(FlashPlayerSwf|MediaSrc|XMPSrc|ConfigurationSrc|PosterImageSrc)\((['"])(?:(?!\2).)+\2\)}is) {
+                                  my $srctype = $1;
+                                  my $quote = $2;
+                                  
+                                  my ($fname) = ($item =~ m{^\Q$srctype($quote\E([^$quote]+)\Q$quote)\E}); 
+                                  my $cleanhref = &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
+                                  if ($cleanhref) {
+                                      &Apache::lonxml::extlink($cleanhref);
+                                  }
+                              }
+                          }
+                      }
+                  }
+              }
+          }
       }
   }
   return $result;
@@ -287,12 +322,19 @@ sub start_window {
     if ($target eq 'web' || $target eq 'webgrade') {
 	&Apache::lonxml::startredirection;
     } elsif ($target eq 'tex') {
-	$result = '\unskip\footnote{';
+        my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
+        if ($printtext=~/\w/) {
+# If printtext is given, do not output any intervening information
+           &Apache::lonxml::startredirection;
+        } else {
+           $result = '\unskip\footnote{';
+        }
     } elsif ($target eq 'edit') {
 	$result.=&Apache::edit::tag_start($target,$token);
 	$result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
 	$result.=&Apache::edit::text_arg('Height:','height',$token,5);
 	$result.=&Apache::edit::text_arg('Width:','width',$token,5);
+        $result.=&Apache::edit::text_arg('Printed text (optional):','printtext',$token,20);
 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
@@ -317,7 +359,15 @@ sub end_window {
     $result=&Apache::loncommon::modal_adhoc_window
            ("LONCAPA_newwindow_$Apache::lonxml::curdepth",$width,$height,$output,$linktext);
   } elsif ($target eq 'tex') {
-      $result = '}';
+      my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
+      if ($printtext=~/\w/) {
+# If a "printtext" is given, proceed to retrieve all intervening information and trash it
+         my $output=&Apache::lonxml::endredirection;
+# Use printtext instead
+         $result=$printtext;
+      } else {
+         $result='}';
+      }
   } else {
       $result = '';
   }