From f544711bfb569bd61bcdfbb6e37962697aa884bf Mon Sep 17 00:00:00 2001
From: Arnaud Vergnet <arnaud.vergnet@mailo.com>
Date: Wed, 16 Dec 2020 11:08:43 +0100
Subject: [PATCH] update indicator on user state change

---
 .../ui/users/UserActiveIndicatorController.java       | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/main/java/fr/insa/clavardator/ui/users/UserActiveIndicatorController.java b/src/main/java/fr/insa/clavardator/ui/users/UserActiveIndicatorController.java
index bc3763f..3b10611 100644
--- a/src/main/java/fr/insa/clavardator/ui/users/UserActiveIndicatorController.java
+++ b/src/main/java/fr/insa/clavardator/ui/users/UserActiveIndicatorController.java
@@ -18,7 +18,7 @@ public class UserActiveIndicatorController implements Initializable {
 
 	}
 
-	public void setUser(PeerUser user) {
+	private void updateState(PeerUser user) {
 		circle.getStyleClass().clear();
 		if (user.isActive()) {
 			circle.getStyleClass().add("active-user-dot");
@@ -27,6 +27,15 @@ public class UserActiveIndicatorController implements Initializable {
 		}
 	}
 
+	public void setUser(PeerUser user) {
+		user.addObserver(propertyChangeEvent -> {
+			if (propertyChangeEvent.getPropertyName().equals("state")) {
+				updateState(user);
+			}
+		});
+		updateState(user);
+	}
+
 	public void setSize(double value) {
 		circle.setRadius(value);
 	}