src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/chatui/ChatBoxController.java

@@ -1,6 +1,7 @@
 package ch.unibas.dmi.dbis.cs108.casono.client.ui.chatui;
 
 import ch.unibas.dmi.dbis.cs108.casono.client.chat.ChatController;
+import ch.unibas.dmi.dbis.cs108.casono.client.chat.ChatController.ChatKey;
 import ch.unibas.dmi.dbis.cs108.casono.client.chat.ChatModel;
 import ch.unibas.dmi.dbis.cs108.casono.client.chat.ChatType;
 import ch.unibas.dmi.dbis.cs108.casono.client.chat.Message;
@@ -20,7 +21,6 @@ import javafx.scene.control.MenuButton;
 import javafx.scene.control.MenuItem;
 import javafx.scene.control.Tab;
 import javafx.scene.control.TabPane;
-import javafx.scene.layout.HBox;
 import javafx.scene.layout.Priority;
 import javafx.scene.layout.VBox;
 
@@ -30,16 +30,10 @@ public class ChatBoxController {
 
     private final ChatController chatController;
 
-    @FXML private VBox chatBox;
-
     @FXML private TabPane chatTabPane;
 
     @FXML private MenuButton addWhisperChatButton;
 
-    @FXML private HBox menuBox;
-
-    private FXMLLoader fxmlLoader;
-
     private final List<String> activeWhisperChats;
 
     @FXML private final Map<String, Tab> usernameTabMap;
@@ -76,7 +70,7 @@ public class ChatBoxController {
         ChatModel globalChatModel = new ChatModel(global, username, -1, null);
         chatController.getChatModelMap().put(new ChatController.ChatKey(global), globalChatModel);
         addChatTab("GLOBAL", globalChatModel, global);
-        addWhisperChatButton.setOnAction(event -> addWhisperChatButton.show());
+        addWhisperChatButton.setOnAction(_ -> addWhisperChatButton.show());
     }
 
     /**
@@ -96,7 +90,7 @@ public class ChatBoxController {
                     MenuItem menuItem = new MenuItem(targetUserName);
                     addWhisperChatButton.getItems().add(menuItem);
                     menuItem.setOnAction(
-                            event ->
+                            _ ->
                                     addWhisperChat(
                                             targetUserName,
                                             new ChatModel(
@@ -130,7 +124,7 @@ public class ChatBoxController {
                         if (oldUsername.equals(item.getText())) {
                             item.setText(newUsername);
                             item.setOnAction(
-                                    event ->
+                                    _ ->
                                             addWhisperChat(
                                                     newUsername,
                                                     new ChatModel(
@@ -165,11 +159,21 @@ public class ChatBoxController {
         if (!activeWhisperChats.contains(target)) {
             activeWhisperChats.add(target);
             ChatType whisper = ChatType.WHISPER;
-            chatController
+            chatController.getChatModelMap().put(new ChatKey(whisper, target), chatModel);
-                    .getChatModelMap()
+            ChatViewController chatViewController = addChatTab(target, chatModel, whisper);
-                    .put(new ChatController.ChatKey(whisper, target), chatModel);
+            Tab chatTab = chatViewController.getChatTab();
-            addChatTab(target, chatModel, whisper);
+            chatTab.setOnCloseRequest(
+                    _ -> {
+                        chatViewController.tabIsOpen = false;
+                        chatTabPane.getTabs().remove(chatTab);
+                    });
         } else {
+            ChatViewController chatViewController =
+                    chatController.activeChatControllers.get(new ChatKey(ChatType.WHISPER, target));
+            if (!chatViewController.tabIsOpen) {
+                reopenChatTab(chatViewController.getChatTab());
+                chatViewController.tabIsOpen = true;
+            }
             chatTabPane.getSelectionModel().select(usernameTabMap.get(target));
         }
     }
@@ -183,30 +187,40 @@ public class ChatBoxController {
      * @param chatModel The {@link ChatModel} containing the data and logic for this specific chat.
      * @throws RuntimeException If the FXML resource for the chat tab cannot be loaded.
      */
-    public void addChatTab(String title, ChatModel chatModel, ChatType chatType) {
+    public ChatViewController addChatTab(String title, ChatModel chatModel, ChatType chatType) {
         String ressource = "/ui-structure/components/chatui/chattab.fxml";
         URL resource = getClass().getResource(ressource);
         FXMLLoader fxmlLoader = new FXMLLoader(resource);
-        runOnPlatformSynchronized(
+        return runOnPlatformSynchronized(
                 () -> {
                     try {
                         ChatViewController chatViewController =
                                 new ChatViewController(
-                                        this.chatController, chatModel, this.username);
+                                        this.chatController, chatModel, this);
-                        chatController.activeChatControllers.put(
+
-                                new ChatController.ChatKey(chatType), chatViewController);
+                        ChatKey chatKey;
+                        if (chatType.equals(ChatType.WHISPER)) {
+                            chatKey = new ChatKey(chatType, title);
+                        } else {
+                            chatKey = new ChatKey(chatType);
+                        }
+                        chatController.activeChatControllers.put(chatKey, chatViewController);
                         fxmlLoader.setController(chatViewController);
                         Node load = fxmlLoader.load();
                         VBox.setVgrow(load, Priority.ALWAYS);
                         VBox vbox = new VBox();
                         VBox.setVgrow(vbox, Priority.ALWAYS);
                         vbox.getChildren().add(load);
-                        chatModel.addListener((msg) -> chatViewController.showMessage(msg));
+                        chatModel.addListener(chatViewController::showMessage);
                         Tab newChat = new Tab(title, vbox);
                         usernameTabMap.put(title, newChat);
-                        this.chatTabPane.getTabs().add(newChat);
+                        chatTabPane.getTabs().add(newChat);
                         this.chatTabPane.getSelectionModel().select(newChat);
-                        return newChat;
+                        chatViewController.setChatTab(newChat);
+                        if (!chatType.equals(ChatType.WHISPER)) {
+                            newChat.setClosable(false);
+                        }
+                        return chatViewController;
                     } catch (IOException e) {
                         throw new RuntimeException(e);
                     }
@@ -267,4 +281,12 @@ public class ChatBoxController {
             }
         }
     }
+
+    public void reopenChatTab(Tab chatTab) {
+        Platform.runLater(
+                () -> {
+                    chatTabPane.getTabs().add(chatTab);
+                    chatTabPane.getSelectionModel().select(chatTab);
+                });
+    }
 }

src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/chatui/ChatViewController.java

@@ -11,37 +11,48 @@ import javafx.fxml.Initializable;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.ScrollPane;
+import javafx.scene.control.Tab;
 import javafx.scene.control.TextField;
-import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 
 /** Responsible for the presentation of the ChatModel to the Client */
 public class ChatViewController implements Initializable {
 
+    private final ChatBoxController chatBoxController;
     @FXML private Button sendButton;
 
     @FXML private TextField inputField;
 
-    @FXML private VBox chatInterfaceVBox;
-
-    @FXML private HBox controlBar;
-
     @FXML private ScrollPane scrollPane;
 
     @FXML private VBox chat;
 
-    private final ChatModel chatModel;
+    public Tab getChatTab() {
+        return chatTab;
+    }
 
-    private final String username;
+    public void setChatTab(Tab chatTab) {
+        this.chatTab = chatTab;
+    }
+
+    @FXML private Tab chatTab;
+
+    public Boolean tabIsOpen;
+
+    private final ChatModel chatModel;
 
     private final ChatController controller;
 
     private static final int CHAT_PADDING = 20;
 
-    public ChatViewController(ChatController chatController, ChatModel chatModel, String username) {
+    public ChatViewController(
+            ChatController chatController,
+            ChatModel chatModel,
+            ChatBoxController chatBoxController) {
         this.controller = chatController;
-        this.username = username;
         this.chatModel = chatModel;
+        this.chatBoxController = chatBoxController;
+        tabIsOpen = true;
     }
 
     /**
@@ -54,8 +65,8 @@ public class ChatViewController implements Initializable {
      */
     @Override
     public void initialize(URL location, ResourceBundle resourceBundle) {
-        inputField.setOnAction(event -> sendMessage());
+        inputField.setOnAction(_ -> sendMessage());
-        sendButton.setOnAction(event -> sendMessage());
+        sendButton.setOnAction(_ -> sendMessage());
         scrollPane.vvalueProperty().bind(chat.heightProperty());
     }
 
@@ -88,6 +99,10 @@ public class ChatViewController implements Initializable {
      * @param msg The {@link Message} object containing the content and metadata to display.
      */
     public void showMessage(Message msg) {
+        if (!tabIsOpen) {
+            tabIsOpen = true;
+            chatBoxController.reopenChatTab(chatTab);
+        }
         Platform.runLater(
                 () -> {
                     String msgText =

src/main/resources/ui-structure/components/chatui/chatbox.fxml

@@ -3,13 +3,14 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 
+<?import javafx.scene.control.skin.TabPaneSkin.TabContentRegion?>
 <VBox xmlns="http://javafx.com/javafx/21"
       xmlns:fx="http://javafx.com/fxml/1"
       fx:id="chatBox"
       VBox.vgrow="ALWAYS"
       stylesheets="@chatui.css"
       styleClass="chat-box"
-      spacing="10"
+      spacing="20"
       maxWidth="Infinity">
 
     <HBox spacing="10"
@@ -17,14 +18,14 @@
 
         <Label text="== CHAT ==" styleClass="chat-header" alignment="CENTER" maxWidth="Infinity"/>
         <Region HBox.hgrow="ALWAYS"/>
-        <MenuButton fx:id="addWhisperChatButton" styleClass="yellow-button" text="WHISPER CHAT"
+        <MenuButton fx:id="addWhisperChatButton" styleClass="menu-button" text="WHISPER CHAT"
                     alignment="CENTER_RIGHT">
         </MenuButton>
     </HBox>
 
     <TabPane fx:id="chatTabPane"
              VBox.vgrow="ALWAYS"
-             styleClass="tab-header-area">
+             styleClass="tab-pane">
 
     </TabPane>
 

src/main/resources/ui-structure/components/chatui/chattab.fxml

@@ -8,7 +8,7 @@
 <VBox fx:id="chatInterfaceVBox"
       maxWidth="Infinity"
       spacing="10"
-      styleClass="chat-box"
+      styleClass="tab-chat-box"
       stylesheets="@chatui.css"
       VBox.vgrow="ALWAYS"
       xmlns="http://javafx.com/javafx/17.0.12"

src/main/resources/ui-structure/components/chatui/chatui.css

@@ -5,7 +5,17 @@
     -fx-border-color: #5c3d10 #3d260a #3d260a #5c3d10;
     -fx-border-width: 12;
     -fx-padding: 20;
-    /*-fx-effect: dropshadow(one-pass-box, rgba(0,0,0,1), 0, 0, 15, 15);*/
+    -fx-effect: dropshadow(one-pass-box, rgba(0,0,0,1), 0, 0, 15, 15);
+}
+
+.tab-chat-box {
+
+    -fx-background-color: #0d9e3b;
+    -fx-background-radius: 58;
+    -fx-border-radius: 50;
+    -fx-border-color: #0d763b #0d623b #0d623b #0d763b;
+    -fx-border-width: 12;
+    -fx-padding: 20;
 }
 
 .chat-header {
@@ -163,25 +173,25 @@
     -fx-border-width: 5;
     -fx-padding: 10;
     -fx-effect: dropshadow(one-pass-box, rgba(0,0,0,1), 0, 0, 15, 15);
-    -fx-max-height: 10;
+    -fx-min-height: 10;
 }
 
 .tab-pane .tab {
-    -fx-background-color: #0d9e3b;
+    -fx-background-color: #0d983b;
-    -fx-background-radius: 18;
+    -fx-background-radius: 28;
     -fx-border-radius: 10;
-    -fx-border-color: #5c3d10 #3d260a #3d260a #5c3d10;
+    -fx-border-color: #0d873b #0d733b #0d733b #0d873b;
     -fx-border-width: 5;
-    -fx-padding: 10;
+    -fx-padding: 6 15;
 }
 
 .tab-pane .tab:selected {
-    -fx-background-color: #0d763b;
+    -fx-background-color: #0d873b;
     -fx-background-radius: 18;
     -fx-border-radius: 10;
-    -fx-border-color: #5c3d10 #3d260a #3d260a #5c3d10;
+    -fx-border-color: #0d763b #0d623b #0d623b #0d763b;
     -fx-border-width: 5;
-    -fx-padding: 10;
+    -fx-padding: 6 15;
 }
 
 .tab-pane .tab .tab-close-button {
@@ -192,7 +202,6 @@
     -fx-background-color: #0d9e3b;
 }
 
-
 .tab .tab-label {
     -fx-alignment: CENTER;
     -fx-text-fill: #ffffff;
@@ -204,3 +213,36 @@
     -fx-alignment: CENTER;
     -fx-text-fill: #ffffff;
 }
+
+.menu-button {
+    -fx-background-color: #b8860b;
+    -fx-border-color: #ffd700;
+    -fx-text-fill: #ffffff;
+    -fx-background-radius: 12;
+    -fx-border-radius: 12;
+    -fx-font-family: "Courier New";
+    -fx-font-weight: bold;
+    -fx-border-width: 2;
+    -fx-padding: 6 15;
+    -fx-cursor: hand;
+}
+
+.menu-button .context-menu {
+    -fx-background-color: #b8860b;
+    -fx-background-radius: 4;
+    -fx-padding: 6 15;
+    -fx-cursor: hand;
+
+}
+
+.menu-button:hover {
+    -fx-translate-y: -3;
+    -fx-effect: dropshadow(one-pass-box, rgba(0, 0, 0, 0.8), 0, 0, 3, 3);
+}
+
+.menu-button .menu-item {
+    -fx-background-color: #b8860b;
+    -fx-border-color: #ffd700;
+    -fx-text-fill: #ffffff
+}
+