基於JavaFX的掃雷游戲實現（五）——設置和自定義控制項

package controllers;

import components.GameEnum;
import javafx.animation.FadeTransition;
import javafx.animation.RotateTransition;
import javafx.animation.SequentialTransition;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.RadioButton;
import javafx.scene.control.TextField;
import javafx.scene.control.ToggleGroup;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.util.Duration;

import static components.Constant.*;

/**
 * @description: 設置界面控制邏輯
 * @author: 郭小柒w
 * @time: 2023/6/15
 */
public class SettingsController {
    @FXML  // 單選按鈕, 難度
    private RadioButton easy, medium, hard, custom;
    @FXML  // 文本框組, 自定義游戲數據
    private TextField numWidth, numHeight, numBomb;
    @FXML // 保存按鈕
    private Button save;
    @FXML // 輔助效果圖
    private ImageView loading;
    // 單選按鈕組
    private ToggleGroup degree;

    public void initialize() {
        // 文本框預設不可編輯
        numWidth.setEditable(false);
        numHeight.setEditable(false);
        numBomb.setEditable(false);
        // 首先嘗試使用已保存設置
        switch (GAME) {
            case MEDIUM:
                medium.setSelected(true);
                break;
            case HARD:
                hard.setSelected(true);
                break;
            case CUSTOM:
                custom.setSelected(true);
                numWidth.setEditable(true);
                numHeight.setEditable(true);
                numBomb.setEditable(true);
                numWidth.setText(GAME.width + "");
                numHeight.setText(GAME.height + "");
                numBomb.setText(GAME.bomb + "");
                break;
            default:
                easy.setSelected(true);
                break;
        }

        // 單選按鈕分組
        degree = new ToggleGroup();
        easy.setToggleGroup(degree);
        medium.setToggleGroup(degree);
        hard.setToggleGroup(degree);
        custom.setToggleGroup(degree);
        // 難度按鈕選中事件
        degree.selectedToggleProperty().addListener(((observable, oldValue, newValue) -> {
            String id = ((RadioButton) newValue).getId();
            // 只有選中自定義難度情況下可編輯文本框, 預設不可編輯
            if (id.equals("custom")) {
                GAME = GameEnum.CUSTOM;
                numWidth.setEditable(true);
                numHeight.setEditable(true);
                numBomb.setEditable(true);
            } else {
                // 清空文本框並設置為不可編輯
                numWidth.setText(null);
                numHeight.setText(null);
                numBomb.setText(null);
                numWidth.setEditable(false);
                numHeight.setEditable(false);
                numBomb.setEditable(false);
                if (id.equals("easy")) {
                    GAME = GameEnum.EASY;
                } else if (id.equals("medium")) {
                    GAME = GameEnum.MEDIUM;
                } else {
                    GAME = GameEnum.HARD;
                }
            }
        }));

        // 保存按鈕點擊事件
        save.setOnMouseClicked(event -> {
            try {
                // 如果是自定義難度, 保存輸入的值
                if (GAME == GameEnum.CUSTOM) {
                    try {
                        // 保存自定義輸入
                        GAME.setWidth(Integer.parseInt(numWidth.getText()));
                        GAME.setHeight(Integer.parseInt(numHeight.getText()));
                        GAME.setBomb(Integer.parseInt(numBomb.getText()));
                    } catch (NumberFormatException e) {
                        // 輸入問題導致的轉換失敗, 按簡單設置處理
                        GAME.setWidth(9);
                        GAME.setHeight(9);
                        GAME.setBomb(10);
                    }
                }
                // 設置用於動畫效果的圖片
                loading.setImage(new Image(LOAD_IMG));
                loading.setVisible(true);
                // 點擊保存時的動畫效果,分兩步, 1:旋轉緩衝 2:圖片淡出
                RotateTransition transition1 = new RotateTransition(Duration.seconds(1), loading);
                // 旋轉角度
                transition1.setByAngle(360);
                transition1.setOnFinished(event1 -> {
                    loading.setImage(new Image(SAVE_IMG));
                });

                FadeTransition transition2 = new FadeTransition(Duration.seconds(1), loading);
                // 不透明度變化
                transition2.setFromValue(1);
                transition2.setToValue(0);

                SequentialTransition sequence = new SequentialTransition(transition1, transition2);
                // 播放動畫
                sequence.play();
            } catch (Exception e) {
                System.out.println("Error on [Class:SettingsController, Method:initialize, Event: save]=>");
                e.printStackTrace();
            }
        });
    }
}