--- loncom/homework/lonhomework.pm	2007/04/07 00:12:42	1.267
+++ loncom/homework/lonhomework.pm	2007/07/23 23:30:47	1.268
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.267 2007/04/07 00:12:42 albertel Exp $
+# $Id: lonhomework.pm,v 1.268 2007/07/23 23:30:47 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -901,6 +901,7 @@ sub renderpage {
     my @targets = @{$targets || [&get_target()]};
     &Apache::lonhomework::showhashsubset(\%env,'form.');
     &Apache::lonxml::debug("Running targets ".join(':',@targets));
+
     my $overall_result;
     foreach my $target (@targets) {
 	# FIXME need to do something intelligent when a problem goes
@@ -977,7 +978,9 @@ sub get_template_list {
     my @allnames;
     &Apache::lonxml::debug("Looking for :$extension:");
     foreach my $file (</home/httpd/html/res/adm/includes/templates/*.$extension>) {
+	&Apache::lonxml::debug("Looking at $file");
 	my $name=&Apache::lonnet::metadata($file,'title');
+	&Apache::lonxml::debug("Got a name $name");
 	if ($namewanted && ($name eq $namewanted)) {
 	    $result=$file;
 	    last;
@@ -1047,6 +1050,24 @@ $errormsg
     return '';
 }
 
+sub update_construct_style {
+    if ($env{'request.state'} eq "construct"
+	&& $env{'form.problemmode'} eq &mt('View') 
+	&&  defined($env{'form.submitted'})
+	&& !defined($env{'form.resetdata'})
+	&& !defined($env{'form.newrandomization'})) {
+	if ((!$env{'form.style_file'} && $env{'construct.style'})
+	    ||$env{'form.clear_style_file'}) {
+	    &Apache::lonnet::delenv('construct\\.style');
+	} elsif ($env{'form.style_file'} 
+	    && $env{'construct.style'} ne $env{'form.style_file'}) {
+	    &Apache::lonnet::appenv('construct.style' => 
+				        $env{'form.style_file'});
+	}
+    }
+}
+
+
 sub handler {
     #my $t0 = [&gettimeofday()];
     my $request=$_[0];
@@ -1097,6 +1118,7 @@ sub handler {
 	    } elsif ($env{'form.problemmode'} eq &mt('Calculate answers')) {
 		&analyze($request,$file);
 	    } else {
+		&update_construct_style();
 		&renderpage($request,$file);
 	    }
 	} else {