--- loncom/homework/inputtags.pm	2023/02/04 22:38:31	1.356
+++ loncom/homework/inputtags.pm	2023/09/10 18:12:53	1.359
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.356 2023/02/04 22:38:31 raeburn Exp $
+# $Id: inputtags.pm,v 1.359 2023/09/10 18:12:53 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -450,6 +450,7 @@ sub start_textline {
 		if ($addchars) {
 		    $result.=&addchars('HWVAL_'.$id,$addchars);
 		}
+                my $numrespclass;
 		my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
 							$safeeval);
 		if (lc($readonly) eq 'yes' 
@@ -457,6 +458,10 @@ sub start_textline {
 		    $readonly=' readonly="readonly" ';
 		} else {
 		    $readonly='';
+                    if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
+                        ($tagstack->[-2] eq 'numericalresponse')) {
+                        $numrespclass = ' LC_numresponse_text';
+                    }
 		}
 		my $name = 'HWVAL_'.$id;
                 my $itemid = 'HWVAL_'.$partid.'_'.$id;
@@ -470,7 +475,7 @@ sub start_textline {
 		     . ' type="text" '.$readonly.' name="'. $name . '"'
 		     . ' id="' . $input_tag_id . '"'
 		     . ' value="'.  $oldresponse.'"'
-		     . ' class="LC_textline spellchecked"  size="'.$size.'"'.$maxlength.' />';
+		     . ' class="LC_textline spellchecked'.$numrespclass.'" size="'.$size.'"'.$maxlength.' />';
 
 		$result .= &spellcheck_onblur($itemid, $spellcheck);
                 if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
@@ -659,8 +664,13 @@ sub file_selector {
     $result .= &Apache::lonhtmlcommon::row_title($addfiles);
     my $constraints;
     if ($uploadedfiletypes ne '*') {
+        my $showtypes = $uploadedfiletypes;
+        if ($showtypes =~ /,/) {
+            my $conjunc = &mt('or');
+            $showtypes =~ s/,([^,]+)$/ $conjunc $1/;
+        }
 	$constraints =
-	    &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
+	    &mt('Allowed filetypes: [_1]','<b>'.$showtypes.'</b>').'<br />';
     }
     if ($maxfilesize) {
         $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
@@ -1782,12 +1792,17 @@ sub gradestatus {
 	}
 	if ( $showbutton ) {
 	    if ($target ne 'tex') {
-		$button = 
+                if ($env{'form.disable_submit'}) {
+                    $button = '<input type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit" value="'.&mt('Submit Answer').'" disabled="disabled" />&nbsp;'.
+                               '<div id="msg_submit_'.$id.'" style="display:none"></div>';
+                } else {
+		    $button =
             '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
                     type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
                     value="'.&mt('Submit Answer').'" />&nbsp;'.
                     '<div id="msg_submit_'.$id.'" style="display:none">'.
                     &mt('Processing your submission ...').'</div>';
+                }
 	    }
 	}