--- loncom/homework/inputtags.pm	2006/05/30 12:45:37	1.192
+++ loncom/homework/inputtags.pm	2006/06/05 18:53:03	1.194
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.192 2006/05/30 12:45:37 www Exp $
+# $Id: inputtags.pm,v 1.194 2006/06/05 18:53:03 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -283,7 +283,8 @@ sub start_textline {
 	$Apache::lonxml::evaluate--;
 	my $partid=$Apache::inputtags::part;
 	my $id=$Apache::inputtags::response[-1];
-	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
+	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER'
+	    || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
 	    my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
 	    my $maxlength;
 	    if ($size eq '') { $size=20; } else {
@@ -298,12 +299,17 @@ sub start_textline {
 		}
 		my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
 							$safeeval);
-		if (lc($readonly) eq 'yes') {
+		if (lc($readonly) eq 'yes' 
+		    || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
 		    $readonly=' readonly="readonly" ';
 		} else {
 		    $readonly='';
 		}
-		$result.= '<input type="text" '.$readonly.' name="HWVAL_'.$id.'" value="'.
+		my $name = 'HWVAL_'.$id;
+		if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
+		    $name = "none";
+		}
+		$result.= '<input type="text" '.$readonly.' name="'.$name.'" value="'.
 		    $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
 	    }
 	    if ($Apache::lonhomework::type eq 'exam'
@@ -441,6 +447,7 @@ sub file_selector {
 		push(@filelist,'<a href="'.$url.'"><img src="'.$icon.
 		     '" border="0" />'.$file.'</a>');
 		if (! &Apache::lonnet::stat_file($url)) {
+		    &Apache::lonnet::logthis("bad file is $url");
 		    push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
 			 '" border="0" />'.$file.'</a>');
 		}
@@ -542,8 +549,8 @@ sub decideoutput {
 
     if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
     
-    if      ($solved =~ /^correct/) {
-	$bgcolor=$possiblecolors{'correct'};
+    if ($solved =~ /^correct/) {
+        $bgcolor=$possiblecolors{'correct'};
 	$message=&mt('You are correct.');
 	if ($awarded < 1 && $awarded > 0) {
 	    $message=&mt('You are partially correct.');
@@ -710,6 +717,14 @@ sub decideoutput {
 	$message = &mt("Unknown message").": $award";
 	$button=1;
     }
+    my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
+    foreach my $resid(@Apache::inputtags::response){
+        &Apache::lonnet::logthis("handback is ".$Apache::lonhomework::history{"resource.$part.$resid.handback"});
+        if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
+            $message.= '<br /><a href="/uploaded/'."$domain/$user".'/portfolio/'.$Apache::lonhomework::history{"resource.$part.$resid.handback"}.'">Returned File</a>';
+        }
+    }
+
     if (lc($Apache::lonhomework::problemstatus) eq 'no'  && 
 	$Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
 	$message = &mt("Answer Submitted: Your final submission will be graded after the due date.");