Let he user know if all selected interfaces are down

in the interface statistics widget.
At the moment, if all the selected interfaces are down, the widget will just display no columns. That will make users wonder what happened.
(cherry picked from commit b22fceb2d7973b8c80a55b4ec492819ddd5ae9f9)

1 files changed, 7 insertions, 3 deletions

diff --git a/src/usr/local/www/widgets/widgets/interface_statistics.widget.php b/src/usr/local/www/widgets/widgets/interface_statistics.widget.php
index 0ea20bb..ff2cc29 100644
--- a/src/usr/local/www/widgets/widgets/interface_statistics.widget.php
+++ b/src/usr/local/www/widgets/widgets/interface_statistics.widget.php
@@ -81,7 +81,8 @@ if ($_REQUEST && $_REQUEST['ajax']) {
 	);
 
 	$skipinterfaces = explode(",", $user_settings['widgets']['interface_statistics']['iffilter']);
-	$interface_is_displayed = false;
+	$an_interface_is_selected = false; // decide if at least 1 interface is selected for display
+	$an_interface_is_displayed = false; // decide if at least 1 interface is displayed (i.e. not down)
 
 	print("<thead>");
 	print(	"<tr>");
@@ -92,17 +93,20 @@ if ($_REQUEST && $_REQUEST['ajax']) {
 			continue;
 		}
 
-		$interface_is_displayed = true;
+		$an_interface_is_selected = true;
 		$ifinfo_arr[$ifdescr] = get_interface_info($ifdescr);
 		$ifinfo_arr[$ifdescr]['inbytes'] = format_bytes($ifinfo_arr[$ifdescr]['inbytes']);
 		$ifinfo_arr[$ifdescr]['outbytes'] = format_bytes($ifinfo_arr[$ifdescr]['outbytes']);
 		if ($ifinfo_arr[$ifdescr]['status'] != "down") {
+			$an_interface_is_displayed = true;
 			print("<th>" . $ifname . "</th>");
 		}
 	}
 
-	if (!$interface_is_displayed) {
+	if (!$an_interface_is_selected) {
 		print("<th>" . gettext('All interfaces are hidden.') . "</th>");
+	} else if (!$an_interface_is_displayed) {
+		print("<th>" . gettext('All selected interfaces are down.') . "</th>");
 	}
 
 	print(		"</tr>");