[LON-CAPA-cvs] cvs: loncom /homework essayresponse.pm

[ng]

ng		Fri Jul 26 16:27:33 2002 EDT

  Modified files:              
    /loncom/homework	essayresponse.pm 
  Log:
  Slightly modification - it does not save the collaborator list if it has not
  been changed since the last submission.
  
  
Index: loncom/homework/essayresponse.pm
diff -u loncom/homework/essayresponse.pm:1.11 loncom/homework/essayresponse.pm:1.12
--- loncom/homework/essayresponse.pm:1.11	Thu Jul 25 16:51:39 2002
+++ loncom/homework/essayresponse.pm	Fri Jul 26 16:27:33 2002
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # essay (ungraded) style responses
 #
-# $Id: essayresponse.pm,v 1.11 2002/07/25 20:51:39 ng Exp $
+# $Id: essayresponse.pm,v 1.12 2002/07/26 20:27:33 ng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -62,7 +62,10 @@
     my $id  = &Apache::response::start_response($parstack,$safeeval);
     my $collaborators = $ENV{'form.HWCOL'.$id};	
     if ($collaborators =~ /[^\s]/) {
-	$Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators;
+	my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
+
+	$Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
+	    if ($collaborators ne $previous_list);
     }
     if ( $target eq 'grade' ) {
 	if ( defined $ENV{'form.submitted'}) {