--- loncom/homework/inputtags.pm	2005/12/01 18:46:31	1.185
+++ loncom/homework/inputtags.pm	2006/06/09 16:31:00	1.186.2.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.185 2005/12/01 18:46:31 albertel Exp $
+# $Id: inputtags.pm,v 1.186.2.1 2006/06/09 16:31:00 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -229,7 +229,9 @@ 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' &&
+		$Apache::lonhomework::history{"resource.$partid.solved"} !~ /^correct/	)) {
 	    my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
 	    my $maxlength;
 	    if ($size eq '') { $size=20; } else {
@@ -244,12 +246,17 @@ 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.'" />';
 	    }
 	} else {
@@ -622,7 +629,12 @@ sub decideoutput {
 	$bgcolor=$possiblecolors{'correct'};
 	$button=0;
     } elsif ($award eq '') {
-	$bgcolor=$possiblecolors{'not_charged_try'};
+	if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
+	    $message = &mt("Nothing submitted.");
+	    $bgcolor=$possiblecolors{'charged_try'};
+	} else {
+	    $bgcolor=$possiblecolors{'not_charged_try'};
+	}
 	$button=1;
     } else {
 	$message = &mt("Unknown message").": $award";