LWSubsystem: Prevent duplicate elements.

Change-Id: I0f87478b9448910a35cbc7effc24649a1ecd974e

1 files changed, 5 insertions, 0 deletions

diff --git a/smartdashboard/src/edu/wpi/first/smartdashboard/livewindow/elements/LWSubsystem.java b/smartdashboard/src/edu/wpi/first/smartdashboard/livewindow/elements/LWSubsystem.java
index a42226c..d1d8ea0 100644
--- a/smartdashboard/src/edu/wpi/first/smartdashboard/livewindow/elements/LWSubsystem.java
+++ b/smartdashboard/src/edu/wpi/first/smartdashboard/livewindow/elements/LWSubsystem.java
@@ -76,6 +76,11 @@ public class LWSubsystem extends AbstractTableWidget {
     }

 

     private void addSubsystemElement(String key, ITable value) {

+        // don't add duplicate widgets

+        for (Widget widget : widgets) {

+            if (widget != null && widget.getFieldName().equals(key))

+                return;

+        }

         try {

             System.out.println("\nSubsystem \"" + getFieldName() + "\" does not contain widget \"" + key + "\"");

             System.out.println("Table: " + value);