♻️ 重构代码 创建单例组件管理类，将单例组件初始化与单例组件分离

src/main/java/org/jcnc/jnotepad/app/manager/ApplicationManager.java

@@ -17,9 +17,7 @@ import org.jcnc.jnotepad.controller.manager.Controller;
 import org.jcnc.jnotepad.plugin.manager.PluginManager;
 import org.jcnc.jnotepad.util.LogUtil;
 import org.jcnc.jnotepad.util.UiUtil;
-import org.jcnc.jnotepad.views.manager.RootManager;
+import org.jcnc.jnotepad.views.manager.*;
-import org.jcnc.jnotepad.views.manager.SidebarToolBarManager;
-import org.jcnc.jnotepad.views.manager.TopMenuBarManager;
 import org.slf4j.Logger;
 
 import java.util.List;
@@ -65,11 +63,15 @@ public class ApplicationManager {
         // 初始化scene
         initScene();
         // 初始化插件
-        PluginManager.getInstance().initializePlugins();
+        PluginManager.getInstance().initPlugins();
         // 初始化顶部菜单栏
         TopMenuBarManager.getInstance().initTopMenuBar();
         // 初始化侧边工具栏
         SidebarToolBarManager.getInstance().initSidebarToolBar();
+        // 初始化下方状态栏
+        BottomStatusBoxManager.getInstance().initStatusBox();
+        // 初始标签页布局组件
+        CenterTabPaneManager.getInstance().initCenterTabPane();
         // 初始化ui组件
         initUiComponents();
         // 初始化primaryStage
@@ -159,6 +161,8 @@ public class ApplicationManager {
         // 加载组件
         RootManager rootManager = RootManager.getInstance(scene);
         rootManager.initScreen(scene);
+        // 初始化底部根侧边栏垂直布局
+        RootBottomSideBarVerticalBoxManager.getInstance().initSidebarVerticalBox();
     }
 
     public Pane getRoot() {
@@ -187,6 +191,5 @@ public class ApplicationManager {
 
     public void stopApplication() {
         Platform.exit();
-//        application.stop();
     }
 }

src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/NewFile.java

@@ -7,7 +7,8 @@ import org.jcnc.jnotepad.app.i18n.UiResourceBundle;
 import org.jcnc.jnotepad.common.constants.AppConstants;
 import org.jcnc.jnotepad.common.constants.TextConstants;
 import org.jcnc.jnotepad.ui.module.LineNumberTextArea;
-import org.jcnc.jnotepad.views.root.bottom.status.BottomStatusBox;
+import org.jcnc.jnotepad.views.manager.BottomStatusBoxManager;
+import org.jcnc.jnotepad.views.manager.CenterTabPaneManager;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
 
@@ -69,8 +70,8 @@ public class NewFile implements EventHandler<ActionEvent> {
         // 设置当前标签页与本地文件无关联
         centerTab.setRelevance(false);
         // 将Tab页添加到TabPane中
-        CenterTabPane.getInstance().addNewTab(centerTab);
+        CenterTabPaneManager.getInstance().addNewTab(centerTab);
         // 更新编码信息
-        BottomStatusBox.getInstance().updateEncodingLabel();
+        BottomStatusBoxManager.getInstance().updateEncodingLabel();
     }
 }

src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/OpenFile.java

@@ -14,6 +14,7 @@ import org.jcnc.jnotepad.ui.module.LineNumberTextArea;
 import org.jcnc.jnotepad.util.EncodingDetector;
 import org.jcnc.jnotepad.util.LogUtil;
 import org.jcnc.jnotepad.util.UiUtil;
+import org.jcnc.jnotepad.views.manager.CenterTabPaneManager;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
 
@@ -126,7 +127,7 @@ public class OpenFile implements EventHandler<ActionEvent> {
                 // 设置当前标签页关联本地文件
                 tab.setRelevance(true);
                 tab.setUserData(file);
-                CenterTabPane.getInstance().addNewTab(tab);
+                CenterTabPaneManager.getInstance().addNewTab(tab);
             });
         } catch (IOException ignored) {
             LogUtil.getLogger(this.getClass()).info("已忽视IO异常!");

src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/RenameFile.java

@@ -11,6 +11,7 @@ import org.jcnc.jnotepad.ui.dialog.factory.impl.BasicFileChooserFactory;
 import org.jcnc.jnotepad.util.LogUtil;
 import org.jcnc.jnotepad.util.PopUpUtil;
 import org.jcnc.jnotepad.util.UiUtil;
+import org.jcnc.jnotepad.views.manager.CenterTabPaneManager;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
 import org.slf4j.Logger;
@@ -31,7 +32,7 @@ public class RenameFile implements EventHandler<ActionEvent> {
     @Override
     public void handle(ActionEvent actionEvent) {
         // 获取当前标签页
-        CenterTab centerTab = CenterTabPane.getInstance().getSelected();
+        CenterTab centerTab = CenterTabPaneManager.getInstance().getSelected();
         if (centerTab == null || centerTab.getText().isEmpty()) {
             return;
         }

src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/SaveFile.java

@@ -10,9 +10,9 @@ import org.jcnc.jnotepad.controller.i18n.LocalizationController;
 import org.jcnc.jnotepad.ui.dialog.factory.impl.BasicFileChooserFactory;
 import org.jcnc.jnotepad.util.LogUtil;
 import org.jcnc.jnotepad.util.UiUtil;
+import org.jcnc.jnotepad.views.manager.CenterTabPaneManager;
 import org.jcnc.jnotepad.views.manager.TopMenuBarManager;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
-import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
 import org.slf4j.Logger;
 
 import java.io.File;
@@ -40,7 +40,7 @@ public class SaveFile implements EventHandler<ActionEvent> {
     @Override
     public void handle(ActionEvent actionEvent) {
         // 获取当前tab页
-        CenterTab selectedTab = CenterTabPane.getInstance().getSelected();
+        CenterTab selectedTab = CenterTabPaneManager.getInstance().getSelected();
         if (selectedTab == null) {
             return;
         }
@@ -72,7 +72,7 @@ public class SaveFile implements EventHandler<ActionEvent> {
      * @see LogUtil
      */
     protected void saveTab(Class<?> currentClass) {
-        CenterTab selectedTab = CenterTabPane.getInstance().getSelected();
+        CenterTab selectedTab = CenterTabPaneManager.getInstance().getSelected();
         if (selectedTab == null) {
             return;
         }

src/main/java/org/jcnc/jnotepad/plugin/manager/PluginManager.java

@@ -113,7 +113,7 @@ public class PluginManager {
     /**
      * 初始化所有启用的插件
      */
-    public void initializePlugins() {
+    public void initPlugins() {
         for (PluginDescriptor pluginDescriptor : pluginDescriptors) {
             if (pluginDescriptor.isEnabled()) {
                 pluginDescriptor.getPlugin().initialize();

src/main/java/org/jcnc/jnotepad/ui/module/LineNumberTextArea.java

@@ -4,9 +4,9 @@ import javafx.geometry.Insets;
 import org.fxmisc.richtext.LineNumberFactory;
 import org.fxmisc.richtext.StyleClassedTextArea;
 import org.jcnc.jnotepad.util.LogUtil;
-import org.jcnc.jnotepad.views.root.bottom.status.BottomStatusBox;
+import org.jcnc.jnotepad.views.manager.BottomStatusBoxManager;
+import org.jcnc.jnotepad.views.manager.CenterTabPaneManager;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
-import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
 import org.slf4j.Logger;
 
 import java.io.BufferedWriter;
@@ -51,7 +51,7 @@ public class LineNumberTextArea extends StyleClassedTextArea {
     private void initListeners() {
         // 监听主要文本区域的文本变化
         this.textProperty().addListener((observable, oldValue, newValue) -> {
-            BottomStatusBox.getInstance().updateWordCountStatusLabel();
+            BottomStatusBoxManager.getInstance().updateWordCountStatusLabel();
             save();
         });
     }
@@ -61,7 +61,7 @@ public class LineNumberTextArea extends StyleClassedTextArea {
      */
     public void save() {
         // 获取当前选定的中央标签页（CenterTab对象）
-        CenterTab tab = CenterTabPane.getInstance().getSelected();
+        CenterTab tab = CenterTabPaneManager.getInstance().getSelected();
 
         // 如果没有选定标签页，返回，不执行保存操作
         if (tab == null) {

src/main/java/org/jcnc/jnotepad/views/manager/BottomStatusBoxManager.java

@@ -0,0 +1,198 @@
+package org.jcnc.jnotepad.views.manager;
+
+import javafx.beans.value.ChangeListener;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.control.Label;
+import javafx.scene.layout.HBox;
+import org.jcnc.jnotepad.app.i18n.UiResourceBundle;
+import org.jcnc.jnotepad.common.constants.TextConstants;
+import org.jcnc.jnotepad.ui.module.LineNumberTextArea;
+import org.jcnc.jnotepad.views.root.bottom.status.BottomStatusBox;
+import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
+
+import java.nio.charset.Charset;
+
+/**
+ * 状态栏组件管理类
+ *
+ * @author gewuyou
+ */
+public class BottomStatusBoxManager {
+    private static final BottomStatusBoxManager INSTANCE = new BottomStatusBoxManager();
+
+    private static final BottomStatusBox BOTTOM_STATUS_BOX = BottomStatusBox.getInstance();
+
+    private static final String STATUS_LABEL_FORMAT = "%s : %d \t%s: %d \t%s: %d \t";
+
+    private String style = "-fx-background-color: rgba(43,43,43,0.12);";
+
+    public static BottomStatusBoxManager getInstance() {
+        return INSTANCE;
+    }
+
+    /**
+     * 初始化状态栏
+     */
+    public void initStatusBox() {
+        BOTTOM_STATUS_BOX.setStyle(style);
+        BOTTOM_STATUS_BOX.getChildren().clear();
+        registerBottomStatusBox();
+        updateEncodingLabel();
+        updateWhenTabSelected();
+        BOTTOM_STATUS_BOX.getProperties().put("borderpane-margin", new Insets(5, 10, 5, 10));
+        BOTTOM_STATUS_BOX.setAlignment(Pos.BASELINE_RIGHT);
+        UiResourceBundle.getInstance().addListener((observable, oldValue, newValue) -> updateWhenTabSelected());
+
+        /*
+          第一个参数 10 表示上边距。
+          第二个参数 10 表示右边距。
+          第三个参数 10 表示下边距。
+          第四个参数 10 表示左边距。
+         */
+        HBox.setMargin(BOTTOM_STATUS_BOX.getStatusLabel(), new Insets(5, 10, 5, 10));
+    }
+
+    /**
+     * 注册下方状态栏
+     */
+    public void registerBottomStatusBox() {
+        Label statusLabel = BOTTOM_STATUS_BOX.getStatusLabel();
+        registerChildrenByLabel(statusLabel);
+        statusLabel.setText(getStatusBarFormattedText(0, 0, 1));
+
+        registerChildrenByLabel(BOTTOM_STATUS_BOX.getEncodingLabel());
+    }
+
+    /**
+     * 设置状态栏样式
+     *
+     * @param style 样式字符串
+     */
+    public void setBottomStatusBoxStyle(String style) {
+        this.style = style;
+    }
+
+    /**
+     * 注册状态栏标签组件
+     *
+     * @param label 标签组件
+     */
+    public void registerChildrenByLabel(Label label) {
+        BOTTOM_STATUS_BOX.getChildren().add(label);
+    }
+
+    public void updateEncodingLabel() {
+        updateEncodingLabel(null);
+    }
+
+    /**
+     * 更新编码展示
+     *
+     * @param encoding 文件编码
+     */
+    public void updateEncodingLabel(String encoding) {
+        if (encoding == null) {
+            encoding = Charset.defaultCharset().name();
+        }
+        BOTTOM_STATUS_BOX.getEncodingLabel().setText(getEncodingFormattedText(encoding) + "\t");
+    }
+
+    /**
+     * 更新字数统计
+     */
+    public void updateWordCountStatusLabel() {
+        CenterTabPaneManager instance = CenterTabPaneManager.getInstance();
+        if (instance.getSelected() == null) {
+            return;
+        }
+        LineNumberTextArea textArea = instance.getSelected().getLineNumberTextArea();
+        int caretPosition = textArea.getCaretPosition();
+        int row = getRow(caretPosition, textArea.getText());
+        int column = getColumn(caretPosition, textArea.getText());
+        int length = textArea.getLength();
+        BOTTOM_STATUS_BOX.getStatusLabel().setText(getStatusBarFormattedText(row, column, length));
+    }
+
+    /**
+     * Tab选中时，更新状态栏
+     * <br>1. 状态栏更新当前选中tab的数字统计
+     * <br>2. 状态栏更新当前选中tab的字符编码
+     */
+    public void updateWhenTabSelected() {
+        CenterTabPaneManager instance = CenterTabPaneManager.getInstance();
+        if (instance.getSelected() != null) {
+            updateWordCountStatusLabel();
+            CenterTab centerTab = instance.getSelected();
+            if (centerTab != null) {
+                updateEncodingLabel(centerTab.getCharset().name());
+
+                // 添加光标位置变化监听器
+                LineNumberTextArea textArea = centerTab.getLineNumberTextArea();
+                textArea.caretPositionProperty().addListener((ChangeListener<Number>) (observable, oldValue, newValue) -> updateRowColumnLabel(textArea.getCaretPosition(), textArea.getText()));
+            }
+        }
+    }
+
+    /**
+     * 更新行列信息
+     *
+     * @param caretPosition 光标位置
+     * @param text          文本内容
+     */
+    public void updateRowColumnLabel(int caretPosition, String text) {
+        int row = getRow(caretPosition, text);
+        int column = getColumn(caretPosition, text);
+        BOTTOM_STATUS_BOX.getStatusLabel().setText(getStatusBarFormattedText(row, column, text.length()));
+    }
+
+
+    /**
+     * 获取光标所在行号。
+     *
+     * @param caretPosition 光标位置
+     * @param text          文本内容
+     * @return 光标所在行号
+     */
+    public int getRow(int caretPosition, String text) {
+        caretPosition = Math.min(caretPosition, text.length());
+        String substring = text.substring(0, caretPosition);
+        int count = 0;
+        for (char c : substring.toCharArray()) {
+            if (c == '\n') {
+                count++;
+            }
+        }
+        return count + 1;
+    }
+
+    /**
+     * 获取光标所在列号。
+     *
+     * @param caretPosition 光标位置
+     * @param text          文本内容
+     * @return 光标所在列号
+     */
+    public int getColumn(int caretPosition, String text) {
+        return caretPosition - text.lastIndexOf("\n", caretPosition - 1);
+    }
+
+    public String getStatusBarFormattedText(int row, int column, int wordCount) {
+        String rowText = UiResourceBundle.getContent(TextConstants.ROW);
+        String columnText = UiResourceBundle.getContent(TextConstants.COLUMN);
+        String wordCountText = UiResourceBundle.getContent(TextConstants.WORD_COUNT);
+        return String.format(STATUS_LABEL_FORMAT,
+                rowText,
+                row,
+                columnText,
+                column,
+                wordCountText,
+                wordCount
+        );
+    }
+
+    public String getEncodingFormattedText(String encoding) {
+        String encodingLabelFormat = "%s : %s";
+        return String.format(encodingLabelFormat, UiResourceBundle.getContent(TextConstants.ENCODE), encoding);
+    }
+}

src/main/java/org/jcnc/jnotepad/views/manager/CenterTabPaneManager.java

@@ -0,0 +1,91 @@
+package org.jcnc.jnotepad.views.manager;
+
+import org.jcnc.jnotepad.controller.config.AppConfigController;
+import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
+import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
+import org.jcnc.jnotepad.views.root.top.menu.TopMenuBar;
+
+/**
+ * 中心标签页窗格管理类
+ *
+ * @author gewuyou
+ */
+public class CenterTabPaneManager {
+    private static final CenterTabPaneManager INSTANCE = new CenterTabPaneManager();
+
+    private final CenterTabPane centerTabPane = CenterTabPane.getInstance();
+
+    private final BottomStatusBoxManager bottomStatusBoxManager = BottomStatusBoxManager.getInstance();
+
+    private CenterTabPaneManager() {
+
+    }
+
+    public static CenterTabPaneManager getInstance() {
+        return INSTANCE;
+    }
+
+    /**
+     * 初始化标签页布局组件
+     */
+    public void initCenterTabPane() {
+        initListeners();
+    }
+
+
+    /**
+     * 初始化监听器
+     */
+    private void initListeners() {
+        // tab选中行为监听器，用于tab切换后，更新与当前tab相关的组件
+        centerTabPane.getSelectionModel().selectedItemProperty().addListener(
+                (ov, from, to) -> {
+                    if (to != null) {
+                        // 更新菜单栏中与tab相关设置
+                        TopMenuBar.getInstance().updateMenuStatusBySelectedTab();
+                    }
+                    // 更新状态标签
+                    bottomStatusBoxManager.updateWhenTabSelected();
+                }
+        );
+    }
+
+    /**
+     * 添加新tab并设置为选中状态
+     *
+     * @param tab 新标签页
+     */
+    public void addNewTab(CenterTab tab) {
+        if (tab == null) {
+            return;
+        }
+        // 将标签页加入标签页列表
+        centerTabPane.getTabs().add(tab);
+        // 设置索引
+        centerTabPane.getSelectionModel().select(tab);
+        // 将标签页设置为选中状态
+        fireTabSelected();
+    }
+
+    /**
+     * 获取选中的标签页
+     *
+     * @return 当前选中的标签页
+     */
+    public CenterTab getSelected() {
+        return (CenterTab) centerTabPane.getSelectionModel().getSelectedItem();
+    }
+
+    /**
+     * tab选中行为。
+     * 应用当前菜单上选中的自动换行设置。
+     */
+    public void fireTabSelected() {
+        CenterTab selectedTab = getSelected();
+        if (selectedTab == null) {
+            return;
+        }
+        selectedTab.setAutoLine(AppConfigController.getInstance().getAutoLineConfig());
+        bottomStatusBoxManager.updateWhenTabSelected();
+    }
+}

src/main/java/org/jcnc/jnotepad/views/manager/RootBottomSideBarVerticalBoxManager.java

@@ -0,0 +1,41 @@
+package org.jcnc.jnotepad.views.manager;
+
+import javafx.scene.layout.VBox;
+import org.jcnc.jnotepad.views.root.bottom.RootBottomSideBarVerticalBox;
+import org.jcnc.jnotepad.views.root.bottom.function.FunctionBox;
+import org.jcnc.jnotepad.views.root.bottom.status.BottomStatusBox;
+
+/**
+ * 底部根侧边栏垂直布局管理类
+ *
+ * @author gewuyou
+ */
+public class RootBottomSideBarVerticalBoxManager {
+    private static final RootBottomSideBarVerticalBoxManager INSTANCE = new RootBottomSideBarVerticalBoxManager();
+
+    private final RootBottomSideBarVerticalBox rootBottomSideBarVerticalBox = RootBottomSideBarVerticalBox.getInstance();
+
+    private RootBottomSideBarVerticalBoxManager() {
+
+    }
+
+    public static RootBottomSideBarVerticalBoxManager getInstance() {
+        return INSTANCE;
+    }
+
+    /**
+     * 初始化底部根侧边栏垂直布局
+     */
+
+    public void initSidebarVerticalBox() {
+        FunctionBox functionBox = FunctionBox.getInstance();
+        VBox vbox = rootBottomSideBarVerticalBox.getVbox();
+        if (!FunctionBox.getMenuBar().getMenus().isEmpty()) {
+            functionBox.getChildren().add(FunctionBox.getMenuBar());
+            vbox.getChildren().addAll(functionBox);
+        }
+        vbox.getChildren().addAll(BottomStatusBox.getInstance());
+        rootBottomSideBarVerticalBox.getChildren().addAll(vbox);
+
+    }
+}

src/main/java/org/jcnc/jnotepad/views/manager/RootManager.java

@@ -5,8 +5,6 @@ import javafx.scene.layout.BorderPane;
 import org.jcnc.jnotepad.exception.AppException;
 import org.jcnc.jnotepad.views.root.RootBorderPane;
 
-import static org.jcnc.jnotepad.views.root.bottom.RootBottomSideBarVerticalBox.initSidebarVerticalBox;
-
 /**
  * 根布局管理器类，用于管理记事本应用程序的根布局组件。
  *
@@ -72,6 +70,6 @@ public class RootManager {
         root.setCenter(RootBorderPane.getInstance());
 
         scene.setRoot(root);
-        initSidebarVerticalBox();
+
     }
 }

src/main/java/org/jcnc/jnotepad/views/manager/TopMenuBarManager.java

@@ -17,7 +17,6 @@ import org.jcnc.jnotepad.model.entity.ShortcutKey;
 import org.jcnc.jnotepad.ui.pluginstage.PluginManagementPane;
 import org.jcnc.jnotepad.util.LogUtil;
 import org.jcnc.jnotepad.util.UiUtil;
-import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
 import org.jcnc.jnotepad.views.root.top.menu.TopMenuBar;
 import org.slf4j.Logger;
 
@@ -97,7 +96,7 @@ public class TopMenuBarManager {
             // 1. 更新全局配置
             AppConfigController.getInstance().setAutoLineConfig(after);
             // 2. 对当前tab生效配置
-            CenterTabPane.getInstance().fireTabSelected();
+            CenterTabPaneManager.getInstance().fireTabSelected();
         });
         topMenuBar.getLineFeedItem().selectedProperty().set(true);
 

src/main/java/org/jcnc/jnotepad/views/root/bottom/RootBottomSideBarVerticalBox.java

@@ -2,8 +2,6 @@ package org.jcnc.jnotepad.views.root.bottom;
 
 import javafx.scene.layout.VBox;
 import org.jcnc.jnotepad.ui.module.AbstractVerticalBox;
-import org.jcnc.jnotepad.views.root.bottom.function.FunctionBox;
-import org.jcnc.jnotepad.views.root.bottom.status.BottomStatusBox;
 
 /**
  * 底部根侧边栏垂直布局
@@ -17,7 +15,7 @@ public class RootBottomSideBarVerticalBox extends AbstractVerticalBox {
     /**
      * VBox实例
      */
-    private static final VBox V_BOX_INSTANCE = new VBox();
+    private final VBox vBox = new VBox();
 
     /**
      * 获取 RootBottomSideBarVerticalBox 的唯一实例。
@@ -37,21 +35,10 @@ public class RootBottomSideBarVerticalBox extends AbstractVerticalBox {
      *
      * @return VBox
      */
-    public static VBox getVboxInstance() {
+    public VBox getVbox() {
-        return V_BOX_INSTANCE;
+        return vBox;
     }
 
     private static final RootBottomSideBarVerticalBox INSTANCE = new RootBottomSideBarVerticalBox();
 
-    public static void initSidebarVerticalBox() {
-        FunctionBox functionBox = FunctionBox.getInstance();
-        if (!FunctionBox.getMenuBar().getMenus().isEmpty()) {
-            functionBox.getChildren().add(FunctionBox.getMenuBar());
-            V_BOX_INSTANCE.getChildren().addAll(functionBox);
-        }
-        V_BOX_INSTANCE.getChildren().addAll(BottomStatusBox.getInstance());
-        INSTANCE.getChildren().addAll(V_BOX_INSTANCE);
-
-    }
-
 }

src/main/java/org/jcnc/jnotepad/views/root/bottom/status/BottomStatusBox.java

@@ -1,18 +1,7 @@
 package org.jcnc.jnotepad.views.root.bottom.status;
 
-import javafx.beans.value.ChangeListener;
-import javafx.beans.value.ObservableValue;
-import javafx.geometry.Insets;
-import javafx.geometry.Pos;
 import javafx.scene.control.Label;
-import org.jcnc.jnotepad.app.i18n.UiResourceBundle;
-import org.jcnc.jnotepad.common.constants.TextConstants;
 import org.jcnc.jnotepad.ui.module.AbstractHorizontalBox;
-import org.jcnc.jnotepad.ui.module.LineNumberTextArea;
-import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
-import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
-
-import java.nio.charset.Charset;
 
 /**
  * 状态栏组件封装。
@@ -23,171 +12,31 @@ import java.nio.charset.Charset;
  */
 public class BottomStatusBox extends AbstractHorizontalBox {
 
-    private static final BottomStatusBox STATUS_BOX = new BottomStatusBox();
+    private static final BottomStatusBox INSTANCE = new BottomStatusBox();
-    private static final String STATUS_LABEL_FORMAT = "%s : %d \t%s: %d \t%s: %d \t";
+
     /**
      * 字数统计及光标
      */
-    private Label statusLabel;
+    private final Label statusLabel = new Label();
     /**
      * 显示文本编码
      */
-    private Label encodingLabel;
+    private final Label encodingLabel = new Label();
-
 
     private BottomStatusBox() {
-        initStatusBox();
+
     }
 
     public static BottomStatusBox getInstance() {
-        return STATUS_BOX;
+        return INSTANCE;
-    }
-
-    /**
-     * 初始化状态栏组件
-     */
-    public void initStatusBox() {
-        this.setStyle("-fx-background-color: rgba(43,43,43,0.12);");
-
-        this.getChildren().clear();
-        // 创建状态栏
-        statusLabel = new Label();
-        statusLabel.setText(getStatusBarFormattedText(0, 0, 1));
-        // 创建新的标签以显示编码信息
-        encodingLabel = new Label();
-        updateEncodingLabel();
-        updateWhenTabSelected();
-        this.getChildren().add(statusLabel);
-        this.getChildren().add(encodingLabel);
-        this.getProperties().put("borderpane-margin", new Insets(5, 10, 5, 10));
-        this.setAlignment(Pos.BASELINE_RIGHT);
-        UiResourceBundle.getInstance().addListener((observable, oldValue, newValue) -> updateWhenTabSelected());
-
-        /*
-          第一个参数 10 表示上边距。
-          第二个参数 10 表示右边距。
-          第三个参数 10 表示下边距。
-          第四个参数 10 表示左边距。
-         */
-        setMargin(statusLabel, new Insets(5, 10, 5, 10));
-    }
-
-    public void updateEncodingLabel() {
-        updateEncodingLabel(null);
-    }
-
-    /**
-     * 更新编码展示
-     *
-     * @param encoding 文件编码
-     */
-    public void updateEncodingLabel(String encoding) {
-        if (encoding == null) {
-            encoding = Charset.defaultCharset().name();
-        }
-        this.encodingLabel.setText(getEncodingFormattedText(encoding) + "\t");
-    }
-
-    /**
-     * 更新字数统计
-     */
-    public void updateWordCountStatusLabel() {
-        CenterTabPane instance = CenterTabPane.getInstance();
-        if (instance.getSelected() == null) {
-            return;
-        }
-        LineNumberTextArea textArea = instance.getSelected().getLineNumberTextArea();
-        int caretPosition = textArea.getCaretPosition();
-        int row = getRow(caretPosition, textArea.getText());
-        int column = getColumn(caretPosition, textArea.getText());
-        int length = textArea.getLength();
-        this.statusLabel.setText(getStatusBarFormattedText(row, column, length));
-    }
-
-    /**
-     * Tab选中时，更新状态栏
-     * <br>1. 状态栏更新当前选中tab的数字统计
-     * <br>2. 状态栏更新当前选中tab的字符编码
-     */
-    public void updateWhenTabSelected() {
-        CenterTabPane instance = CenterTabPane.getInstance();
-        if (instance.getSelected() != null) {
-            updateWordCountStatusLabel();
-            CenterTab centerTab = instance.getSelected();
-            if (centerTab != null) {
-                updateEncodingLabel(centerTab.getCharset().name());
-
-                // 添加光标位置变化监听器
-                LineNumberTextArea textArea = centerTab.getLineNumberTextArea();
-                textArea.caretPositionProperty().addListener(new ChangeListener<Number>() {
-                    @Override
-                    public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
-                        updateRowColumnLabel(textArea.getCaretPosition(), textArea.getText());
-                    }
-                });
-            }
-        }
-    }
-
-    /**
-     * 更新行列信息
-     *
-     * @param caretPosition 光标位置
-     * @param text          文本内容
-     */
-    private void updateRowColumnLabel(int caretPosition, String text) {
-        int row = getRow(caretPosition, text);
-        int column = getColumn(caretPosition, text);
-        statusLabel.setText(getStatusBarFormattedText(row, column, text.length()));
     }
 
 
-    /**
+    public Label getStatusLabel() {
-     * 获取光标所在行号。
+        return statusLabel;
-     *
-     * @param caretPosition 光标位置
-     * @param text          文本内容
-     * @return 光标所在行号
-     */
-    public int getRow(int caretPosition, String text) {
-        caretPosition = Math.min(caretPosition, text.length());
-        String substring = text.substring(0, caretPosition);
-        int count = 0;
-        for (char c : substring.toCharArray()) {
-            if (c == '\n') {
-                count++;
-            }
-        }
-        return count + 1;
     }
 
-    /**
+    public Label getEncodingLabel() {
-     * 获取光标所在列号。
+        return encodingLabel;
-     *
-     * @param caretPosition 光标位置
-     * @param text          文本内容
-     * @return 光标所在列号
-     */
-    public int getColumn(int caretPosition, String text) {
-        return caretPosition - text.lastIndexOf("\n", caretPosition - 1);
-    }
-
-    protected String getStatusBarFormattedText(int row, int column, int wordCount) {
-        String rowText = UiResourceBundle.getContent(TextConstants.ROW);
-        String columnText = UiResourceBundle.getContent(TextConstants.COLUMN);
-        String wordCountText = UiResourceBundle.getContent(TextConstants.WORD_COUNT);
-        return String.format(STATUS_LABEL_FORMAT,
-                rowText,
-                row,
-                columnText,
-                column,
-                wordCountText,
-                wordCount
-        );
-    }
-
-    protected String getEncodingFormattedText(String encoding) {
-        String encodingLabelFormat = "%s : %s";
-        return String.format(encodingLabelFormat, UiResourceBundle.getContent(TextConstants.ENCODE), encoding);
     }
 }

src/main/java/org/jcnc/jnotepad/views/root/center/main/center/tab/CenterTabPane.java

@@ -1,9 +1,6 @@
 package org.jcnc.jnotepad.views.root.center.main.center.tab;
 
 import javafx.scene.control.TabPane;
-import org.jcnc.jnotepad.controller.config.AppConfigController;
-import org.jcnc.jnotepad.views.root.bottom.status.BottomStatusBox;
-import org.jcnc.jnotepad.views.root.top.menu.TopMenuBar;
 
 /**
  * 标签页布局组件封装。
@@ -12,69 +9,14 @@ import org.jcnc.jnotepad.views.root.top.menu.TopMenuBar;
  */
 public class CenterTabPane extends TabPane {
 
-    private static final CenterTabPane TAB_PANE = new CenterTabPane();
+    private static final CenterTabPane INSTANCE = new CenterTabPane();
 
     private CenterTabPane() {
-        initListeners();
+
     }
 
     public static CenterTabPane getInstance() {
-        return TAB_PANE;
+        return INSTANCE;
     }
 
-    /**
-     * 初始化监听器
-     */
-    private void initListeners() {
-        // tab选中行为监听器，用于tab切换后，更新与当前tab相关的组件
-        this.getSelectionModel().selectedItemProperty().addListener(
-                (ov, from, to) -> {
-                    if (to != null) {
-                        // 更新菜单栏中与tab相关设置
-                        TopMenuBar.getInstance().updateMenuStatusBySelectedTab();
-                    }
-                    // 更新状态标签
-                    BottomStatusBox.getInstance().updateWhenTabSelected();
-                }
-        );
-    }
-
-    /**
-     * 添加新tab并设置为选中状态
-     *
-     * @param tab 新标签页
-     */
-    public void addNewTab(CenterTab tab) {
-        if (tab == null) {
-            return;
-        }
-        // 将标签页加入标签页列表
-        this.getTabs().add(tab);
-        // 设置索引
-        this.getSelectionModel().select(tab);
-        // 将标签页设置为选中状态
-        fireTabSelected();
-    }
-
-    /**
-     * 获取选中的标签页
-     *
-     * @return 当前选中的标签页
-     */
-    public CenterTab getSelected() {
-        return (CenterTab) this.getSelectionModel().getSelectedItem();
-    }
-
-    /**
-     * tab选中行为。
-     * 应用当前菜单上选中的自动换行设置。
-     */
-    public void fireTabSelected() {
-        CenterTab selectedTab = getSelected();
-        if (selectedTab == null) {
-            return;
-        }
-        selectedTab.setAutoLine(AppConfigController.getInstance().getAutoLineConfig());
-        BottomStatusBox.getInstance().updateWhenTabSelected();
-    }
 }

src/main/java/org/jcnc/jnotepad/views/root/top/menu/TopMenuBar.java

@@ -1,8 +1,8 @@
 package org.jcnc.jnotepad.views.root.top.menu;
 
 import javafx.scene.control.*;
+import org.jcnc.jnotepad.views.manager.CenterTabPaneManager;
 import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTab;
-import org.jcnc.jnotepad.views.root.center.main.center.tab.CenterTabPane;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -22,7 +22,7 @@ public class TopMenuBar extends MenuBar {
     /**
      * 标签页布局组件封装。
      */
-    CenterTabPane centerTabPane = CenterTabPane.getInstance();
+    CenterTabPaneManager centerTabPane = CenterTabPaneManager.getInstance();
     /**
      * 文件菜单
      */