2020-03-26 20:23:25 +01:00
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package envoy.client.ui;
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2020-03-28 15:32:24 +01:00
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import java.io.IOException;
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import java.util.logging.Level;
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2020-03-26 20:23:25 +01:00
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import java.util.logging.Logger;
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2020-03-28 15:32:24 +01:00
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import envoy.client.data.Chat;
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import envoy.client.data.LocalDB;
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2020-03-29 22:15:05 +02:00
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import envoy.client.event.MessageCreationEvent;
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2020-03-28 15:32:24 +01:00
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import envoy.client.net.Client;
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import envoy.client.net.WriteProxy;
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import envoy.data.Message;
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import envoy.data.MessageBuilder;
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import envoy.data.User;
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2020-03-29 22:15:05 +02:00
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import envoy.event.EventBus;
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import envoy.event.MessageStatusChangeEvent;
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import envoy.event.UserStatusChangeEvent;
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2020-03-26 20:23:25 +01:00
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import envoy.util.EnvoyLog;
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import javafx.collections.FXCollections;
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import javafx.fxml.FXML;
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2020-03-28 15:32:24 +01:00
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import javafx.scene.control.*;
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import javafx.scene.input.KeyCode;
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import javafx.scene.input.KeyEvent;
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2020-03-26 20:23:25 +01:00
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/**
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* Project: <strong>envoy-client</strong><br>
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* File: <strong>ChatSceneController.java</strong><br>
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* Created: <strong>26.03.2020</strong><br>
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*
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* @author Kai S. K. Engelbart
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* @since Envoy Client v0.1-beta
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*/
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2020-03-27 21:14:49 +01:00
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public final class ChatSceneController {
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2020-03-28 10:39:15 +01:00
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@FXML
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private Label contactLabel;
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@FXML
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private ListView<Message> messageList;
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@FXML
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private ListView<User> userList;
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@FXML
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private Button postButton;
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@FXML
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private Button settingsButton;
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@FXML
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private TextArea messageTextArea;
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private LocalDB localDB;
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private Client client;
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private WriteProxy writeProxy;
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private Chat currentChat;
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2020-03-29 22:15:05 +02:00
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private static final EventBus eventBus = EventBus.getInstance();
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private static final Logger logger = EnvoyLog.getLogger(ChatSceneController.class);
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2020-03-28 10:39:15 +01:00
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@FXML
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private void initialize() {
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// Initialize message and user rendering
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messageList.setCellFactory(listView -> new MessageListCell());
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userList.setCellFactory(listView -> new UserListCell());
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2020-03-29 22:15:05 +02:00
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// Listen to received messages
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eventBus.register(MessageCreationEvent.class, e -> {
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final var message = e.get();
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final var chat = localDB.getChats().stream().filter(c -> c.getRecipient().getID() == message.getSenderID()).findAny().get();
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chat.getMessages().add(message);
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// Update UI if in current chat
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if (chat == currentChat) messageList.getItems().add(message);
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});
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// Listen to message status changes
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eventBus.register(MessageStatusChangeEvent.class, e -> {
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final var message = localDB.getMessage(e.getID());
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message.setStatus(e.get());
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// Update UI if in current chat
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if (currentChat != null && message.getSenderID() == currentChat.getRecipient().getID()) messageList.refresh();
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});
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// Listen to user status changes
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eventBus.register(UserStatusChangeEvent.class, e -> userList.refresh());
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}
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void initializeData(LocalDB localDB, Client client, WriteProxy writeProxy) {
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this.localDB = localDB;
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this.client = client;
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this.writeProxy = writeProxy;
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// TODO: handle offline mode
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2020-03-30 21:27:07 +02:00
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userList.setItems(FXCollections.observableList(client.getContacts().getContacts()));
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2020-03-28 15:32:24 +01:00
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// userList.getItems().addAll(localDB.getChats().stream().map(Chat::getRecipient).collect(Collectors.toList()));
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}
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2020-03-26 20:23:25 +01:00
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@FXML
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private void userListClicked() {
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final User user = userList.getSelectionModel().getSelectedItem();
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2020-03-29 09:16:29 +02:00
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if (user != null && (currentChat == null || user.getID() != currentChat.getRecipient().getID())) {
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contactLabel.setText(user.getName());
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// LEON: JFC <===> JAVA FRIED CHICKEN <=/=> Java Foundation Classes
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// Load the chat or create a new one and add it to the LocalDB
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currentChat = localDB.getChats()
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.stream()
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.filter(c -> c.getRecipient().getID() == user.getID())
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.findAny()
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.orElseGet(() -> { var chat = new Chat(user); localDB.getChats().add(chat); return chat; });
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messageList.setItems(FXCollections.observableList(currentChat.getMessages()));
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}
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}
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@FXML
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private void postButtonClicked() { postMessage(); }
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@FXML
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private void settingsButtonClicked() { logger.info("Settings Button clicked."); }
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@FXML
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private void messageTextUpdated(KeyEvent e) {
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if (e.getCode() == KeyCode.ENTER) postMessage();
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else postButton.setDisable(messageTextArea.getText().isBlank());
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}
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/**
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* Sends a new message to the server based on the text entered in the
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* messageTextArea.
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*
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* @since Envoy Client v0.1-beta
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*/
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private void postMessage() {
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// Create and send message
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sendMessage(new MessageBuilder(localDB.getUser().getID(), currentChat.getRecipient().getID(), localDB.getIDGenerator())
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.setText(messageTextArea.getText().strip())
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.build());
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// Clear text field and disable post button
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messageTextArea.setText("");
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postButton.setDisable(true);
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}
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/**
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2020-03-29 09:16:29 +02:00
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* Sends a message to the server and appends it to the current chat. If all
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* message IDs have been used, a new ID generator is requested.
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2020-03-28 15:32:24 +01:00
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*
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* @param message the message to send
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* @since Envoy Client v0.1-beta
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*/
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private void sendMessage(Message message) {
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try {
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// Send message
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writeProxy.writeMessage(message);
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// Add message to LocalDB and update UI
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messageList.getItems().add(message);
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// Request a new ID generator if all IDs were used
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if (!localDB.getIDGenerator().hasNext() && client.isOnline()) client.requestIdGenerator();
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} catch (IOException e) {
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logger.log(Level.SEVERE, "Error sending message", e);
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}
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2020-03-26 20:23:25 +01:00
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}
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}
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