Added ability to change the user name on the client side

client/src/main/java/envoy/client/ui/settings/UserSettingsPane.java

@@ -1,7 +1,11 @@
 package envoy.client.ui.settings;
 
+import javafx.event.EventHandler;
 import javafx.scene.control.Alert;
 import javafx.scene.control.Alert.AlertType;
+import javafx.scene.control.TextField;
+import javafx.scene.input.InputEvent;
+import javafx.scene.layout.HBox;
 
 import envoy.client.event.SendEvent;
 import envoy.client.ui.SceneContext;
@@ -30,7 +34,22 @@ public class UserSettingsPane extends SettingsPane {
 	 * @param user         the user who wants to customize his profile
 	 * @since Envoy Client v0.2-beta
 	 */
-	public UserSettingsPane(SceneContext sceneContext, User user) { super("User"); }
+	public UserSettingsPane(SceneContext sceneContext, User user) {
+		super("User"); // Display of profile picture change mechanism
+		final var hbox = new HBox();
+
+		// Displaying the username change mechanism
+		final var								username			= user.getName();
+		final var								usernameTextField	= new TextField(username);
+		final EventHandler<? super InputEvent>	textChanged			= e -> {
+			newUsername = usernameTextField.getText();
+			usernameChanged = newUsername != username;
+		};
+		usernameTextField.setOnInputMethodTextChanged(textChanged);
+		usernameTextField.setOnKeyTyped(textChanged);
+		hbox.getChildren().add(usernameTextField);
+		vbox.getChildren().add(hbox);
+	}
 
 	/**
 	 * Saves the given input and sends the changed input to the server

server/src/main/java/envoy/server/Startup.java

@@ -70,7 +70,8 @@ public class Startup {
 						new IDGeneratorRequestProcessor(),
 						new UserSearchProcessor(),
 						new ContactOperationProcessor(),
-						new IsTypingProcessor())));
+						new IsTypingProcessor(),
+						new NameChangeProcessor())));
 
 		// Initialize the current message ID
 		final PersistenceManager persistenceManager = PersistenceManager.getInstance();