Solved #48 make it impossible to send messages if not connected in ChatWindow.

Java doc and formatting

client/src/main/java/ch/zhaw/pm2/multichat/client/ChatWindowController.java

@@ -46,7 +46,6 @@ public class ChatWindowController {
     @FXML
     private Button sendButton;
 
-
     /**
      * Takes a message object and stores it used as Model and also starts message Listener via messageListener method.
      *
@@ -67,6 +66,7 @@ public class ChatWindowController {
         startConnectionHandlerListener();
         serverAddressField.setText(connectionHandler.getServerAddressProperty().get());
         serverPortField.setText(String.valueOf(connectionHandler.getServerPortProperty().get()));
+        refreshConnectionState(connectionHandler.getStateProperty().get());
     }
 
     /**
@@ -170,12 +170,20 @@ public class ChatWindowController {
      *
      * @param newState is the state that it should be set to.
      */
-    public void stateChanged(State newState) {
+    public void refreshConnectionState(State newState) {
         // update UI (need to be run in UI thread: see Platform.runLater())
         Platform.runLater(new Runnable() {
             @Override
             public void run() {
-                connectButton.setText((newState == CONNECTED || newState == CONFIRM_DISCONNECT) ? "Disconnect" : "Connect");
+                if(newState == CONNECTED || newState == CONFIRM_DISCONNECT){
+                    connectButton.setText("Disconnect");
+                    messageField.setDisable(false);
+                    sendButton.setDisable(false);
+                } else {
+                    connectButton.setText("Connect");
+                    messageField.setDisable(true);
+                    sendButton.setDisable(true);
+                }
             }
         });
         if (newState == DISCONNECTED) {
@@ -255,7 +263,7 @@ public class ChatWindowController {
         connectionHandler.getStateProperty().addListener(new ChangeListener<State>() {
             @Override
             public void changed(ObservableValue<? extends State> observable, State oldValue, State newValue) {
-                stateChanged(newValue);
+                refreshConnectionState(newValue);
             }
         });