client/UI/LeaderboardScreen.java - develop - ledart/RRP_LedNik

client/UI/LeaderboardScreen.java
142 строки5 KB
Darya
Реализация системы Top Scores
18 дек 2025, 01:53
18 дек 2025, 01:53ee2b0fe
package client.UI;

import javafx.application.Platform;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import client.Network;
import client.model.ScoreRecord;

public class LeaderboardScreen {
    private Network network;
    private Stage stage;
    private TableView<ScoreRecord> table;
    private ObservableList<ScoreRecord> scores;
    private LobbyScreen lobbyScreen;

    public LeaderboardScreen(Network network, Stage stage, LobbyScreen lobbyScreen) {
        this.network = network;
        this.stage = stage;
        this.lobbyScreen = lobbyScreen;
        this.scores = FXCollections.observableArrayList();
        this.table = new TableView<>();
        
        setupNetworkCallbacks();
    }

    private void setupNetworkCallbacks() {
        network.setOnMessageCallback(msg -> {
            Platform.runLater(() -> {
                if (msg.startsWith("TOP_SCORES_START")) {
                    scores.clear();
                }
                else if (msg.startsWith("TOP_SCORES_ROW:")) {
                    String data = msg.substring(15);
                    String[] parts = data.split(":", 3);
                    
                    if (parts.length >= 3) {
                        String player = parts[0];
                        int score;
                        try {
                            score = Integer.parseInt(parts[1]);
                        } catch (NumberFormatException e) {
                            score = 0;
                        }
                        String date = parts[2];
                        
                        scores.add(new ScoreRecord(player, score, date));
                    }
                }
                else if (msg.equals("TOP_SCORES_END")) {
                    table.refresh();
                }
                else if (msg.equals("TOP_SCORES_EMPTY")) {
                    scores.clear();
                    table.refresh();
                }
                else if (msg.startsWith("ERROR:")) {
                    showError(msg.substring(6));
                }
            });
        });
    }

    public void start() {
        network.setCurrentScreen("LEADERBOARD");
        
        VBox root = new VBox(10);
        root.setPadding(new Insets(20));

        Label titleLabel = new Label("Top Scores");
        titleLabel.setStyle("-fx-font-size: 14px; -fx-font-weight: bold;");
        
        setupTable();
        
        Button refreshButton = new Button("Refresh");
        refreshButton.setOnAction(e -> {
            scores.clear();
            network.sendMessage("GET_TOP_SCORES");
        });
        
        Button backButton = new Button("Back to Lobby");
        backButton.setOnAction(e -> {
            if (lobbyScreen != null) {
                lobbyScreen.start();
            }
        });

        VBox buttonBox = new VBox(5, refreshButton, backButton);
        
        root.getChildren().addAll(titleLabel, table, buttonBox);

        Scene scene = new Scene(root, 450, 350);
        stage.setScene(scene);
        stage.setTitle("Chase Snake - Leaderboard");
        stage.show();
        
        network.sendMessage("GET_TOP_SCORES");
    }
    
    private void setupTable() {
        table.setItems(scores);
        table.setPrefHeight(250);
        
        TableColumn<ScoreRecord, String> playerCol = new TableColumn<>("Player");
        playerCol.setCellValueFactory(cellData -> 
            javafx.beans.binding.Bindings.createStringBinding(
                () -> cellData.getValue().getPlayerName()
            )
        );
        playerCol.setPrefWidth(150);
        
        TableColumn<ScoreRecord, Integer> scoreCol = new TableColumn<>("Score");
        scoreCol.setCellValueFactory(cellData -> 
            javafx.beans.binding.Bindings.createObjectBinding(
                () -> cellData.getValue().getScore()
            )
        );
        scoreCol.setPrefWidth(100);
        
        TableColumn<ScoreRecord, String> dateCol = new TableColumn<>("Date");
        dateCol.setCellValueFactory(cellData -> 
            javafx.beans.binding.Bindings.createStringBinding(
                () -> cellData.getValue().getDate()
            )
        );
        dateCol.setPrefWidth(200);
        
        table.getColumns().addAll(playerCol, scoreCol, dateCol);
    }
    
    private void showError(String message) {
        Alert alert = new Alert(Alert.AlertType.ERROR);
        alert.setTitle("Error");
        alert.setHeaderText("Failed to load scores");
        alert.setContentText(message);
        alert.show();
    }
}