--- loncom/homework/lonhomework.pm	2007/10/08 09:22:50	1.276
+++ loncom/homework/lonhomework.pm	2007/10/30 00:17:09	1.278
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.276 2007/10/08 09:22:50 foxr Exp $
+# $Id: lonhomework.pm,v 1.278 2007/10/30 00:17:09 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -398,8 +398,8 @@ sub check_access {
     if ($env{'request.state'} eq "construct") {
 	if ($env{'form.problemstate'}) {
 	    if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) {
-		if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' &&
-			lc($Apache::lonhomework::problemstatus) eq 'no')) {
+		if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' 
+			&& &hide_problem_status())) {
 		    return ('CANNOT_ANSWER',
 			    &mt('is in this state due to author settings.'));
 		}
@@ -489,7 +489,7 @@ sub check_access {
 	# if (correct and show prob status) or excused then CANNOT_ANSWER
 	if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/
 	    &&
-	    lc($Apache::lonhomework::problemstatus) ne 'no')
+	    &show_problem_status())
 	   ||
 	   $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
 	    $status = 'CANNOT_ANSWER';
@@ -746,11 +746,14 @@ sub analyze_header {
             <form name="lonhomework" method="POST" action="'.
 	    &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
 	    &Apache::structuretags::remember_problem_state().'
+            <div class="LC_edit_problem_analyze_header">
             <input type="submit" name="problemmode" value="'.&mt("EditXML").'" />
             <input type="submit" name="problemmode" value="'.&mt('Edit').'" />
-            <hr />
+            <hr class="LC_edit_problem_divide" />
+
             <input type="submit" name="submit" value="'.&mt("View").'" />
-            <hr />
+            <hr class="LC_edit_problem_divide" />
+            </div>
             </form>';
     &Apache::lonxml::add_messages(\$result);
     $request->print($result);
@@ -823,7 +826,7 @@ sub analyze {
     }
     &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,
 					  &mt('Analyzing Results'));
-    $request->print('<hr />'.&mt('List of possible answers').': ');
+    $request->print('<hr class="LC_edit_problem_divide" />'.&mt('List of possible answers').': ');
     foreach my $part (sort(keys(%allparts))) {
 	if (defined(@{ $overall{$part.'.answer'} })) {
 	    for (my $i=0;$i<scalar(@{ $overall{$part.'.answer'} });$i++) {
@@ -861,6 +864,36 @@ sub analyze {
     return $result;
 }
 
+{
+    my $show_problem_status;
+    sub reset_show_problem_status {
+	undef($show_problem_status);
+    }
+
+    sub set_show_problem_status {
+	my ($new_status) = @_;
+	$show_problem_status = lc($new_status);
+    }
+
+    sub hide_problem_status {
+	return ($show_problem_status eq 'no'
+		|| $show_problem_status eq 'no_feedback_ever');
+    }
+
+    sub show_problem_status {
+	return ($show_problem_status eq 'yes'
+		|| $show_problem_status eq '');
+    }
+    
+    sub show_some_problem_status {
+	return ($show_problem_status eq 'no');
+    }
+
+    sub show_no_problem_status {
+	return ($show_problem_status eq 'no_feedback_ever');
+    }
+}
+
 sub editxmlmode {
     my ($request,$file) = @_;
     my $result;
@@ -910,14 +943,16 @@ sub editxmlmode {
             <form '.&Apache::edit::form_change_detection().' name="lonhomework" method="POST" action="'.
 	    &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
 	    &Apache::structuretags::remember_problem_state().'
+            <div class="LC_edit_problem_editxml_header">
             <input type="hidden" name="problemmode" value="'.&mt('EditXML').'" />
             <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
             <input type="submit" '.&Apache::edit::submit_ask_anyway().'name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
             <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
-            <hr />
+            <hr class="LC_edit_problem_divide" />
             <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes').'" />
             <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" />
-            <hr />
+            <hr class="LC_edit_problem_divide" />
+            </div>
             ' . $xml_help . '
             <textarea '.&Apache::edit::element_change_detection().
 	              ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" '.