src/main/java/ch/psi/mxsc/MainPanel.java

@@ -5,8 +5,11 @@
 package ch.psi.mxsc;
 
 import ch.psi.pshell.device.Device;
+import ch.psi.pshell.device.DeviceAdapter;
+import ch.psi.pshell.device.DeviceListener;
 import ch.psi.pshell.imaging.Source;
 import ch.psi.pshell.ui.Panel;
+import ch.psi.utils.State;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import javax.swing.JFrame;
@@ -30,6 +33,24 @@ public class MainPanel extends Panel {
         Controller.getInstance().onInitialize(runCount);
         basePlatePanel.setDevice((Device) getDevice("BasePlate"));    
         basePlatePanel.getDevice().setSelectable(false);
+        ((Device) getDevice("dewar_level")).addListener(new DeviceAdapter() {
+            @Override
+            public void onValueChanged(Device device, Object value, Object former) {
+                updateLevel(value);
+            }
+        });
+        updateLevel(((Device) getDevice("dewar_level")).take());
+    }
+    
+    void updateLevel(Object value){
+        if ((value == null) || !(value instanceof Number)){
+            progressLN2.setIndeterminate(true);
+        } else {
+            progressLN2.setIndeterminate(false);
+            double val = ((Number)value).doubleValue() * 10.0;
+            val = Math.min(Math.max((int)(val *10), 0), 1000);
+            progressLN2.setValue(Math.min(Math.max((int)val, 0), 1000));
+        }        
     }