Added name displaying of groupMessages in groupChats

client/src/main/java/envoy/client/ui/listcell/MessageControl.java

@@ -15,10 +15,12 @@ import javafx.scene.control.Label;
 import javafx.scene.control.MenuItem;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
+import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 
 import envoy.client.ui.AudioControl;
 import envoy.client.ui.IconUtil;
+import envoy.data.GroupMessage;
 import envoy.data.Message;
 import envoy.data.Message.MessageStatus;
 import envoy.data.User;
@@ -51,7 +53,28 @@ public class MessageControl extends Label {
 	 */
 	public MessageControl(Message message) {
 		// Creating the underlying VBox and the dateLabel
-		final var vbox = new VBox(new Label(dateFormat.format(message.getCreationDate())));
+		final var hbox = new HBox();
+		if (message.getSenderID() != client.getID() && message instanceof GroupMessage) {
+			client.getContacts()
+				.stream()
+				.filter(c -> c instanceof User)
+				.filter(c -> c.getID() == message.getSenderID())
+				.findFirst()
+				.ifPresentOrElse(c -> {
+					Label label = new Label(c.getName() + " ");
+					label.getStyleClass().add("groupMemberNames");
+					hbox.getChildren().add(label);
+				}, () -> {
+					Label label = new Label("Unknown User ");
+					label.getStyleClass().add("groupMemberNames");
+					hbox.getChildren().add(label);
+				});
+			// TODO improve offline login (contacts list is empty when logging in offline)
+			// TODO when contact is added, unknown user has to change immediately to the
+			// name, not only after relogging
+		}
+		hbox.getChildren().add(new Label(dateFormat.format(message.getCreationDate())));
+		final var vbox = new VBox(hbox);
 
 		// Creating the actions for the MenuItems
 		final ContextMenu	contextMenu		= new ContextMenu();

client/src/main/resources/css/dark.css

@@ -53,3 +53,8 @@
 #messageEnterContainer {
 	-fx-background-color: #363636;
 }
+
+.groupMemberNames {
+	-fx-text-fill: rgb(105.0,0.0,153.0);
+	-fx-font-weight: bold;
+}