--- loncom/homework/structuretags.pm	2006/03/28 18:31:37	1.332.2.1
+++ loncom/homework/structuretags.pm	2006/02/11 00:03:07	1.334
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.332.2.1 2006/03/28 18:31:37 albertel Exp $
+# $Id: structuretags.pm,v 1.334 2006/02/11 00:03:07 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -113,12 +113,6 @@ sub page_start {
 	    &Apache::lonhtmlcommon::htmlareaheaders().
 	    &Apache::lonhtmlcommon::spellheader().
 	    &Apache::lonxml::fontsettings();     
-	my $css_href = &Apache::lonnet::EXT('resource.0.cssfile');
-	if ($css_href =~ /\S/) {
-	    &Apache::lonxml::extlink($css_href);
-	    $head_tag_start = 
-		'<link rel="stylesheet" type="text/css" href="'.$css_href.'" />';
-	}
 	if ($target eq 'edit') {
 	    $head_tag_start.=&Apache::edit::js_change_detection();
 	}
@@ -192,8 +186,10 @@ sub setup_rndseed {
     my ($safeeval)=@_;
     my $rndseed;
     my ($symb)=&Apache::lonxml::whichuser();
-    if ($env{'request.state'} eq "construct" || $symb eq '' ||
-          $Apache::lonhomework::history{'resource.CODE'}) {
+    if ($env{'request.state'} eq "construct" 
+	|| $symb eq '' 
+	|| $Apache::lonhomework::type eq 'practice'
+	|| $Apache::lonhomework::history{'resource.CODE'}) {
 	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 						['rndseed']);
 	$rndseed=$env{'form.rndseed'};
@@ -336,9 +332,19 @@ sub initialize_storage {
     %Apache::lonhomework::results=();
     %Apache::lonhomework::history=();
     my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
-    if ($env{'request.state'} eq 'construct' || $symb eq '') {
+    if ($env{'request.state'} eq 'construct' 
+	|| $symb eq ''
+	|| $Apache::lonhomework::type eq 'practice') {
+	
+	my $namespace = $symb || $env{'request.uri'};
+	if ($env{'form.resetdata'} eq &mt('Reset Submissions') ||
+	    $env{'form.resetdata'} eq &mt('New Problem Variation') ||
+	    $env{'form.newrandomization'} eq &mt('New Randomization')) {
+	    &Apache::lonnet::tmpreset($namespace,'',$domain,$name);
+	    &Apache::lonxml::debug("Attempt reset");
+	}
 	%Apache::lonhomework::history=
-	    &Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);
+	    &Apache::lonnet::tmprestore($namespace,'',$domain,$name);
 	my ($temp)=keys %Apache::lonhomework::history ;
 	&Apache::lonxml::debug("Return message of $temp");
     } else {
@@ -362,10 +368,13 @@ sub finalize_storage {
 	my @remove = grep(/^INTERNAL_/,keys(%Apache::lonhomework::results));
 	delete(@Apache::lonhomework::results{@remove});
 	my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
-	if ($env{'request.state'} eq 'construct' || $symb eq '') {
+	if ($env{'request.state'} eq 'construct' 
+	    || $symb eq ''
+	    || $Apache::lonhomework::type eq 'practice') {
+	    my $namespace = $symb || $env{'request.uri'};
 	    $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
 	    $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
-					$env{'request.uri'},'',$domain,$name);
+					      $namespace,'',$domain,$name);
 	    &Apache::lonxml::debug('Construct Store return message:'.$result);
 	} else {
 	    $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
@@ -608,14 +617,18 @@ sub start_problem {
 	#handle rand seed in construction space
 	my $rndseed=&setup_rndseed($safeeval);
 	my ($symb)=&Apache::lonxml::whichuser();
-	if ($env{'request.state'} ne "construct" && $symb eq '') {
+	if ($env{'request.state'} ne "construct" && 
+	    ($symb eq '' || $Apache::lonhomework::type eq 'practice')) {
 	    $form_tag_start.='<input type="hidden" name="rndseed" value="'.
 		$rndseed.'" />'.
 		    '<input type="submit" name="resetdata"
-                             value="'.&mt('New Problem Variation').'" />'.
+                             value="'.&mt('New Problem Variation').'" />';
+	    if (exists($env{'form.username'})) {
+		$form_tag_start.=
 		    '<input type="hidden" name="username"
                              value="'.$env{'form.username'}.'" />';
-	    if ($env{'user.adv'}) {
+	    }
+	    if ($env{'request.role.adv'}) {
 		$form_tag_start.=
 		    ' <label><input type="checkbox" name="showallfoils" ';
 		if (defined($env{'form.showallfoils'})) {