增加注释
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package org.jcnc.jnotepad.ui.setStage;
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package org.jcnc.jnotepad.ui.setStage;
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import javafx.geometry.Insets;
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import javafx.scene.Scene;
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import javafx.scene.Scene;
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import javafx.scene.control.*;
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import javafx.scene.control.Label;
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import javafx.scene.layout.GridPane;
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import javafx.scene.control.ListView;
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import javafx.scene.layout.HBox;
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import javafx.scene.control.SplitPane;
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import javafx.scene.layout.StackPane;
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import javafx.scene.layout.StackPane;
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import javafx.scene.control.TitledPane;
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import javafx.scene.layout.VBox;
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import javafx.scene.layout.VBox;
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import javafx.stage.Stage;
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import javafx.stage.Stage;
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/**
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* 设置窗口管理类,实现了单例模式。
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*
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* @author 许轲
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*/
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public class SetStage {
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public class SetStage {
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// 唯一的 SetStage 实例,使用单例模式
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private static final SetStage SET_STAGE = new SetStage();
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private static final SetStage SET_STAGE = new SetStage();
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private StackPane contentDisplay;
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private StackPane contentDisplay;
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private ListView<String> generalListView;
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private ListView<String> appearanceListView;
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private ListView<String> securityListView;
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/**
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* 获取 SetStage 的唯一实例。
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*
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* @return SetStage 的实例
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*/
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public static SetStage getInstance() {
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public static SetStage getInstance() {
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return SET_STAGE;
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return SET_STAGE;
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}
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}
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private SetStage() {
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private SetStage() {
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// Private constructor to enforce Singleton pattern
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// 私有构造方法以实现单例模式
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}
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}
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/**
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* 打开设置窗口。
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*/
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public void openSetStage() {
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public void openSetStage() {
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// 创建一个用于显示内容的 StackPane,并初始化为默认显示的标签
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contentDisplay = new StackPane(new Label("从左侧选择设置以显示内容"));
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contentDisplay = new StackPane(new Label("从左侧选择设置以显示内容"));
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TitledPane generalPane = new TitledPane("常规设置", createListView("常规设置项1", "常规设置项2"));
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// 创建不同设置类别的 ListView,并初始化设置项
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TitledPane appearancePane = new TitledPane("外观设置", createListView("外观设置项1", "外观设置项2"));
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generalListView = createListView("常规设置项1", "常规设置项2");
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TitledPane securityPane = new TitledPane("安全设置", createListView("安全设置项1", "安全设置项2"));
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appearanceListView = createListView("外观设置项1", "外观设置项2");
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securityListView = createListView("安全设置项1", "安全设置项2");
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// 设置 TitledPanes 的点击事件监听器
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// 创建 TitledPanes,每个面板包含一个标题和对应的设置列表
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generalPane.setOnMouseClicked(event -> updateContentDisplay((ListView<String>) generalPane.getContent()));
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TitledPane generalPane = new TitledPane("常规设置", generalListView);
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appearancePane.setOnMouseClicked(event -> updateContentDisplay((ListView<String>) appearancePane.getContent()));
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TitledPane appearancePane = new TitledPane("外观设置", appearanceListView);
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securityPane.setOnMouseClicked(event -> updateContentDisplay((ListView<String>) securityPane.getContent()));
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TitledPane securityPane = new TitledPane("安全设置", securityListView);
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// 为 TitledPanes 添加点击事件监听器,用于更新内容显示区域
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generalPane.setOnMouseClicked(event -> updateContentDisplay(generalListView));
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appearancePane.setOnMouseClicked(event -> updateContentDisplay(appearanceListView));
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securityPane.setOnMouseClicked(event -> updateContentDisplay(securityListView));
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// 创建一个垂直布局容器,将 TitledPanes 放入其中
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VBox titledPaneContainer = new VBox(10);
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VBox titledPaneContainer = new VBox(10);
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titledPaneContainer.getChildren().addAll(generalPane, appearancePane, securityPane);
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titledPaneContainer.getChildren().addAll(generalPane, appearancePane, securityPane);
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// 创建一个分割面板,左侧是设置列表,右侧是内容显示区域
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SplitPane splitPane = new SplitPane(titledPaneContainer, contentDisplay);
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SplitPane splitPane = new SplitPane(titledPaneContainer, contentDisplay);
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splitPane.setDividerPositions(0.3);
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splitPane.setDividerPositions(0.3); // 设置分割位置
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// 创建设置窗口的场景
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Scene scene = new Scene(splitPane, 800, 600);
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Scene scene = new Scene(splitPane, 800, 600);
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// 创建设置窗口的 Stage,并设置标题和场景
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Stage setStage = new Stage();
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Stage setStage = new Stage();
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setStage.setScene(scene);
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setStage.setScene(scene);
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setStage.setTitle("设置窗口");
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setStage.setTitle("设置窗口");
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setStage.show();
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setStage.show(); // 显示设置窗口
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}
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}
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/**
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* 创建一个 ListView 并初始化项。
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*
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* @param items 要添加到 ListView 的项
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* @return 初始化后的 ListView
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*/
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private ListView<String> createListView(String... items) {
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private ListView<String> createListView(String... items) {
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ListView<String> listView = new ListView<>();
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ListView<String> listView = new ListView<>();
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listView.getItems().addAll(items);
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listView.getItems().addAll(items);
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listView.setOnMouseClicked(event -> updateContentDisplay(listView));
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return listView;
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return listView;
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}
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}
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/**
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* 更新内容显示区域,根据选定的列表项显示相应的设置内容。
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*
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* @param listView 选定项所属的 ListView
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*/
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private void updateContentDisplay(ListView<String> listView) {
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private void updateContentDisplay(ListView<String> listView) {
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String selectedItem = listView.getSelectionModel().getSelectedItem();
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String selectedItem = listView.getSelectionModel().getSelectedItem();
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if (selectedItem != null) {
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if (selectedItem != null) {
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// 更新内容显示区域为选定项的设置内容标签
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contentDisplay.getChildren().setAll(new Label(selectedItem + " 的设置内容"));
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contentDisplay.getChildren().setAll(new Label(selectedItem + " 的设置内容"));
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}
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}
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}
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}
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}
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}
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