Only display the graph fieldset if the sensor has data.

2020-08-25 14:59:10 -07:00 · 2020-08-25 14:59:10 -07:00 · cb57c29a93
parent 4a2eee85ec
commit cb57c29a93
1 changed files with 5 additions and 0 deletions
--- a/modules/farm/farm_sensor/farm_sensor_listener/farm_sensor_listener.module
+++ b/modules/farm/farm_sensor/farm_sensor_listener/farm_sensor_listener.module
@ -694,6 +694,11 @@ function farm_sensor_listener_data_graphs_form($form, &$form_state, $asset) {
  // Load distinct sensor value info.
  $values = farm_sensor_listener_values_info($asset->id);

+  // Don't display the graph fieldset if the sensor has no data.
+  if (empty($values)) {
+    return array();
+  }
+
  // Load the distinct value names this sensor has stored.
  $names = array_keys($values);