Merge pull request #242 from JLLeitschuh/fix/textAreaNullPointer

Fixes TextAreaSocketPreviewView NullPointer

Author: ThomasJClark

ui/src/main/java/edu/wpi/grip/ui/preview/TextAreaSocketPreviewView.java

@@ -14,17 +14,18 @@
 public class TextAreaSocketPreviewView<T> extends SocketPreviewView<T> {
 
     private final TextArea text;
-    private GRIPPlatform platform;
+    private final GRIPPlatform platform;
 
     /**
-     * @param socket   An output socket to preview
+     * @param socket An output socket to preview
      */
     public TextAreaSocketPreviewView(GRIPPlatform platform, OutputSocket<T> socket) {
         super(socket);
+        this.platform = platform;
 
         this.setStyle("-fx-pref-width: 20em;");
 
-        this.text = new TextArea(socket.getValue().orElse((T)"").toString());
+        this.text = new TextArea(socket.getValue().orElse((T) "").toString());
         text.setEditable(false);
 
         this.setContent(text);
@@ -34,7 +35,7 @@ public TextAreaSocketPreviewView(GRIPPlatform platform, OutputSocket<T> socket)
     public void onSocketChanged(SocketChangedEvent event) {
         final Socket socket = event.getSocket();
         if (socket == this.getSocket()) {
-            platform.runAsSoonAsPossible(() ->{
+            platform.runAsSoonAsPossible(() -> {
                 this.text.setText(socket.getValue().orElse("").toString());
             });
         }