!1 重构代码

Merge pull request !1 from Luke/develop

src/main/java/module-info.java

@@ -2,4 +2,7 @@ module org.jcnc.jnotepad {
     requires javafx.controls;
 
     exports org.jcnc.jnotepad;
+    exports org.jcnc.jnotepad.controller;
+    exports org.jcnc.jnotepad.tool;
+    exports org.jcnc.jnotepad.Interface;
 }

src/main/java/org/jcnc/jnotepad/Constants.java

@@ -5,7 +5,6 @@ package org.jcnc.jnotepad;
  */
 
 public class Constants {
-
     public static final double SCREEN_WIDTH = 800; //宽度
     public static final double SCREEN_LENGTH = 600; //高度
     public static final String APP_NAME = "JNotepad";  //名字

src/main/java/org/jcnc/jnotepad/Interface/ControllerInterface.java

@@ -0,0 +1,39 @@
+package org.jcnc.jnotepad.Interface;
+
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.control.TextArea;
+
+import java.io.File;
+import java.util.List;
+
+public interface ControllerInterface {
+
+    TextArea openAssociatedFileAndCreateTextArea(List<String> rawParameters);
+
+    EventHandler<ActionEvent> getLineFeedEventHandler(TextArea textArea);
+
+    EventHandler<ActionEvent> getNewFileEventHandler(TextArea textArea);
+
+    EventHandler<ActionEvent> getOpenFileEventHandler();
+
+    void autoSave(TextArea textArea);
+
+    EventHandler<ActionEvent> getSaveFileEventHandler();
+
+    EventHandler<ActionEvent> getSaveAsFileEventHandler();
+
+    void saveAsFile();
+
+    void updateStatusLabel(TextArea textArea);
+
+    void openAssociatedFile(String filePath);
+
+    void getText(File file);
+
+    void upDateEncodingLabel(String text);
+
+    int getRow(int caretPosition, String text);
+
+    int getColumn(int caretPosition, String text);
+}

src/main/java/org/jcnc/jnotepad/LunchApp.java

@@ -16,10 +16,15 @@ import java.util.Objects;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
+import static org.jcnc.jnotepad.view.View.initItem;
+import static org.jcnc.jnotepad.view.View.initTabPane;
+
 public class LunchApp extends Application {
     private static final ExecutorService threadPool = Executors.newCachedThreadPool();
     public static boolean isRelevance = true;
 
+    Controller controller = new Controller();
+
     @Override
     public void start(Stage primaryStage) {
         Pane root = new Pane();
@@ -42,14 +47,14 @@ public class LunchApp extends Application {
         viewManager.initScreen(scene);
 
         // 初始化菜单项和标签栏
-        View.initItem();
+        initItem();
-        View.initTabPane();
+        initTabPane();
 
         if (isRelevance) {
             // 使用线程池加载关联文件并创建文本区域
             List<String> rawParameters = getParameters().getRaw();
             threadPool.execute(() -> {
-                TextArea textArea = Controller.openAssociatedFileAndCreateTextArea(rawParameters);
+                TextArea textArea = controller.openAssociatedFileAndCreateTextArea(rawParameters);
                 Platform.runLater(() -> updateUIWithNewTextArea(textArea));
             });
         }
@@ -60,7 +65,7 @@ public class LunchApp extends Application {
         tab.setContent(textArea);
         ViewManager.tabPane.getTabs().add(tab);
         ViewManager.tabPane.getSelectionModel().select(tab);
-        Controller.updateStatusLabel(textArea);
+        controller.updateStatusLabel(textArea);
     }
 
     @Override

src/main/java/org/jcnc/jnotepad/ViewManager.java

@@ -5,7 +5,6 @@ import javafx.scene.Scene;
 import javafx.scene.control.*;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
-import org.jcnc.jnotepad.controller.Controller;
 
 /**
  * 该类管理记事本应用程序的视图组件。

src/main/java/org/jcnc/jnotepad/controller/Controller.java

@@ -7,160 +7,74 @@ import javafx.event.EventHandler;
 import javafx.scene.control.Tab;
 import javafx.scene.control.TextArea;
 import javafx.stage.FileChooser;
+import org.jcnc.jnotepad.Interface.ControllerInterface;
 import org.jcnc.jnotepad.LunchApp;
 
 import java.io.*;
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 
 import static org.jcnc.jnotepad.ViewManager.*;
-import static org.jcnc.jnotepad.controller.EncodingDetector.detectEncoding;
+import static org.jcnc.jnotepad.tool.EncodingDetector.detectEncoding;
 
-/**
+public class Controller implements ControllerInterface {
- * 控制器类负责处理与用户界面的交互，并实现相关事件处理逻辑。
- */
-public class Controller {
 
-    /**
+    @Override
-     * 打开关联文件并创建一个文本编辑区。
+    public TextArea openAssociatedFileAndCreateTextArea(List<String> rawParameters) {
-     *
-     * @param rawParameters 文件路径参数的列表
-     * @return 创建的文本编辑区
-     */
-    public static TextArea openAssociatedFileAndCreateTextArea(List<String> rawParameters) {
         if (!rawParameters.isEmpty()) {
             String filePath = rawParameters.get(0);
-            openAssociatedFile(filePath); //// 调用关联文件打开方法
+            openAssociatedFile(filePath);
         }
 
-        TextArea textArea = new TextArea(); // 创建新的文本编辑区
+        TextArea textArea = createNewTextArea();
+        configureTextArea(textArea);
 
-        // 自动换行
-        textArea.setWrapText(true);
-        upDateEncodingLabel(textArea.getText()); // 更新文本编码信息
-        updateStatusLabel(textArea);
-
-        // 添加文本变更监听器
-        textArea.textProperty().addListener((observable, oldValue, newValue) -> {
-            // 更新状态栏信息
-            updateStatusLabel(textArea);
-        });
-        autoSave(textArea); // 自动保存
         return textArea;
     }
 
-    public static class LineFeedEventHandler implements EventHandler<ActionEvent> {
+    @Override
-        private final TextArea textArea;
+    public EventHandler<ActionEvent> getLineFeedEventHandler(TextArea textArea) {
-        private boolean wrapText = true;
+        return new LineFeedEventHandler(textArea);
-
-        public LineFeedEventHandler(TextArea textArea) {
-            this.textArea = textArea;
-        }
-
-        @Override
-        public void handle(ActionEvent event) {
-            wrapText = !wrapText; // 切换自动换行状态
-            textArea.setWrapText(wrapText);
-        }
     }
 
-
+    @Override
-    // 新建文件事件处理器
+    public EventHandler<ActionEvent> getNewFileEventHandler(TextArea textArea) {
-    public static class NewFileEventHandler implements EventHandler<ActionEvent> {
+        return new NewFileEventHandler();
-        @Override
-        public void handle(ActionEvent event) {
-            TextArea textArea = new TextArea(); // 创建新的文本编辑区
-            Tab tab = new Tab("新建文本 " + ++tabIndex); // 创建新的Tab页
-            tab.setContent(textArea);
-            tabPane.getTabs().add(tab);
-            tabPane.getSelectionModel().select(tab);
-            updateStatusLabel(textArea);
-            // 更新编码信息
-            upDateEncodingLabel(textArea.getText()); // 更新文本编码信息
-        }
     }
 
-    // 打开文件事件处理器
+    @Override
-    public static class OpenFileEventHandler implements EventHandler<ActionEvent> {
+    public EventHandler<ActionEvent> getOpenFileEventHandler() {
-        @Override
+        return new OpenFileEventHandler();
-        public void handle(ActionEvent event) {
-            FileChooser fileChooser = new FileChooser();
-            File file = fileChooser.showOpenDialog(null);
-            if (file != null) {
-                Task<Void> openFileTask = new Task<>() {
-                    @Override
-                    protected Void call() {
-                        getText(file);
-                        upDateEncodingLabel(((TextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getText());
-                        return null;
-                    }
-                };
-
-                openFileTask.setOnSucceeded(e -> {
-                    // 在需要时处理成功
-                });
-
-                openFileTask.setOnFailed(e -> {
-                    // 在需要时处理失败
-                });
-
-                Thread thread = new Thread(openFileTask);
-                thread.start();
-            }
-        }
     }
 
-    // 自动保存方法
+    @Override
-    public static void autoSave(TextArea textArea) {
+    public void autoSave(TextArea textArea) {
         textArea.textProperty().addListener((observable, oldValue, newValue) -> {
             Tab tab = tabPane.getSelectionModel().getSelectedItem();
             if (tab != null) {
-                File f = (File) tab.getUserData();
+                File file = (File) tab.getUserData();
-                if (f != null) {
+                if (file != null) {
-                    try (BufferedWriter writer = new BufferedWriter(new FileWriter(f))) {
+                    try (BufferedWriter writer = new BufferedWriter(new FileWriter(file))) {
                         writer.write(newValue);
                     } catch (IOException ignored) {
-                        // 适当地处理异常
+
                     }
                 }
             }
         });
     }
 
-    // 保存文件事件处理器
+    @Override
-    public static class SaveFileEventHandler implements EventHandler<ActionEvent> {
+    public EventHandler<ActionEvent> getSaveFileEventHandler() {
-        @Override
+        return new SaveFileEventHandler();
-        public void handle(ActionEvent event) {
-            Tab selectedTab = tabPane.getSelectionModel().getSelectedItem();
-            if (selectedTab != null) {
-                File file = (File) selectedTab.getUserData();
-                if (file == null) {
-                    saveAsFile();
-                } else {
-                    try {
-                        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8));
-                        TextArea textArea = (TextArea) selectedTab.getContent();
-                        String text = textArea.getText();
-                        writer.write(text);
-                        writer.flush();
-                        writer.close();
-                    } catch (IOException ignored) {
-                    }
-                }
-            }
-        }
     }
 
-    // 另存为文件事件处理器
+    @Override
-    public static class SaveAsFileEventHandler implements EventHandler<ActionEvent> {
+    public EventHandler<ActionEvent> getSaveAsFileEventHandler() {
-        @Override
+        return new SaveAsFileEventHandler();
-        public void handle(ActionEvent event) {
-            saveAsFile();
-        }
     }
 
-    // 另存为文件方法
+    @Override
-    public static void saveAsFile() {
+    public void saveAsFile() {
         Tab selectedTab = tabPane.getSelectionModel().getSelectedItem();
         if (selectedTab != null) {
             FileChooser fileChooser = new FileChooser();
@@ -168,45 +82,32 @@ public class Controller {
             fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter("文本文档", "*.txt"));
             File file = fileChooser.showSaveDialog(null);
             if (file != null) {
-                try {
+                saveFile();
-                    BufferedWriter writer = new BufferedWriter(new FileWriter(file));
-                    TextArea textArea = (TextArea) selectedTab.getContent(); // 获取当前Tab页的文本编辑区
-                    autoSave(textArea);// 自动保存
-                    String text = textArea.getText();
-                    writer.write(text); // 写入文件内容
-                    writer.flush();
-                    writer.close();
-                    selectedTab.setText(file.getName()); // 更新Tab页标签上的文件名
-                    selectedTab.setUserData(file); // 将文件对象保存到Tab页的UserData中
-                } catch (IOException ignored) {
-                }
             }
         }
     }
 
-    // 更新状态栏标签信息
+    @Override
-    public static void updateStatusLabel(TextArea textArea) {
+    public void updateStatusLabel(TextArea textArea) {
         int caretPosition = textArea.getCaretPosition();
         int row = getRow(caretPosition, textArea.getText());
         int column = getColumn(caretPosition, textArea.getText());
         int length = textArea.getLength();
         statusLabel.setText("行: " + row + " \t列: " + column + " \t字数: " + length);
-        System.out.println("        正在监测字数");
     }
 
-    // 关联文件打开
+    @Override
-    public static void openAssociatedFile(String filePath) {
+    public void openAssociatedFile(String filePath) {
-        // 根据给定的文件路径打开关联文件
         File file = new File(filePath);
         if (file.exists() && file.isFile()) {
             LunchApp.isRelevance = false;
-            getText(file);// 调用读取文件方法
+            openFile(file);
-            upDateEncodingLabel(((TextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getText()); // 更新文本编码信息
         }
     }
 
-    public static void getText(File file) {
+    @Override
-        TextArea textArea = new TextArea();
+    public void getText(File file) {
+        TextArea textArea = createNewTextArea();
         try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
             StringBuilder textBuilder = new StringBuilder();
             String line;
@@ -218,48 +119,26 @@ public class Controller {
             Platform.runLater(() -> {
                 textArea.setText(text);
 
-                Tab tab = new Tab(file.getName());
+                Tab tab = createNewTab(file.getName(), textArea);
-                tab.setContent(textArea);
-                tab.setUserData(file);
-
                 tabPane.getTabs().add(tab);
                 tabPane.getSelectionModel().select(tab);
                 updateStatusLabel(textArea);
 
-                autoSave(textArea); // 在更新界面后调用 autoSave
+                autoSave(textArea);
             });
         } catch (IOException ignored) {
-            // 适当地处理异常
+
         }
     }
 
-    // 更新文本编码标签信息
+    @Override
-    public static void upDateEncodingLabel(String text) {
+    public void upDateEncodingLabel(String text) {
         String encoding = detectEncoding(text);
         enCodingLabel.setText("\t编码: " + encoding);
     }
 
-/*    // 判断编码是否有效
+    @Override
-    public static boolean isEncodingValid(String text, Charset encoding) {
+    public int getRow(int caretPosition, String text) {
-        byte[] bytes = text.getBytes(encoding);
-        String decodedText = new String(bytes, encoding);
-        return text.equals(decodedText);
-    }*/
-
-/*    // 检测文本编码
-    public static String detectEncoding(String text) {
-        Charset[] possibleEncodings = {StandardCharsets.UTF_8, StandardCharsets.ISO_8859_1, StandardCharsets.UTF_16};
-        for (Charset encoding : possibleEncodings) {
-            if (isEncodingValid(text, Charset.forName(String.valueOf(encoding)))) {
-                System.out.println("正在检测编码");
-                return encoding.displayName();
-            }
-        }
-        return "未知";
-    }*/
-
-    // 获取光标所在行数
-    public static int getRow(int caretPosition, String text) {
         caretPosition = Math.min(caretPosition, text.length());
         String substring = text.substring(0, caretPosition);
         int count = 0;
@@ -268,12 +147,54 @@ public class Controller {
                 count++;
             }
         }
-        return count + 1; // Add 1 for the current line
+        return count + 1;
     }
 
-
+    @Override
-    // 获取光标所在列数
+    public int getColumn(int caretPosition, String text) {
-    public static int getColumn(int caretPosition, String text) {
         return caretPosition - text.lastIndexOf("\n", caretPosition - 1);
     }
+
+    private void configureTextArea(TextArea textArea) {
+        textArea.setWrapText(true);
+        upDateEncodingLabel(textArea.getText());
+        updateStatusLabel(textArea);
+
+        textArea.textProperty().addListener((observable, oldValue, newValue) -> updateStatusLabel(textArea));
+
+        autoSave(textArea);
+    }
+
+    private TextArea createNewTextArea() {
+        return new TextArea();
+    }
+
+    private Tab createNewTab(String tabName, TextArea textArea) {
+        Tab tab = new Tab(tabName);
+        tab.setContent(textArea);
+        tab.setUserData(null);
+        return tab;
+    }
+
+    private Task<Void> createOpenFileTask(File file) {
+        TextArea textArea = createNewTextArea();
+        return new Task<>() {
+            @Override
+            protected Void call() {
+                getText(file);
+                upDateEncodingLabel(textArea.getText());
+                return null;
+            }
+        };
+    }
+
+    private void openFile(File file) {
+        Task<Void> openFileTask = createOpenFileTask(file);
+        Thread thread = new Thread(openFileTask);
+        thread.start();
+    }
+
+    private void saveFile() {
+        new SaveFileEventHandler();
+    }
 }

src/main/java/org/jcnc/jnotepad/controller/EncodingDetector.java

@@ -1,47 +0,0 @@
-package org.jcnc.jnotepad.controller;
-
-import javafx.scene.control.TextArea;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-
-public class EncodingDetector {
-
-  public static String detectEncoding(TextArea textArea) {
-    String text = textArea.getText();
-    
-    return detectEncoding(text); 
-  }
-
-  public static String detectEncoding(String text) {
-    // 尝试常见的编码
-    for (Charset charset : commonCharsets()) {
-      if (isValidEncoding(text, charset)) {
-        System.out.println(isValidEncoding(text, charset));
-        return charset.name();
-      }
-    }
-    
-    return "UNKNOWN";
-  }
-
-  private static Charset[] commonCharsets() {
-    return new Charset[] { 
-      StandardCharsets.UTF_8,
-      StandardCharsets.UTF_16, 
-      StandardCharsets.UTF_16LE,
-      StandardCharsets.UTF_16BE,
-      StandardCharsets.ISO_8859_1
-    };
-  }
-
-  private static boolean isValidEncoding(String text, Charset encoding) {
-    // 尝试使用指定编码解码
-    byte[] bytes = text.getBytes(encoding);
-    String decoded = new String(bytes, encoding);
-
-
-    // 解码后的文本相同表示编码有效
-    return text.equals(decoded);
-  }
-
-}

src/main/java/org/jcnc/jnotepad/controller/LineFeedEventHandler.java

@@ -0,0 +1,18 @@
+package org.jcnc.jnotepad.controller;
+
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.control.TextArea;
+
+public class LineFeedEventHandler implements EventHandler<ActionEvent> {
+    private final TextArea textArea;
+
+    public LineFeedEventHandler(TextArea textArea) {
+        this.textArea = textArea;
+    }
+    @Override
+    public void handle(ActionEvent event) {
+        String text = textArea.getText();
+        textArea.setText(text + "\n");
+    }
+}

src/main/java/org/jcnc/jnotepad/controller/NewFileEventHandler.java

@@ -0,0 +1,24 @@
+package org.jcnc.jnotepad.controller;
+
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.control.Tab;
+import javafx.scene.control.TextArea;
+import org.jcnc.jnotepad.ViewManager;
+
+import static org.jcnc.jnotepad.ViewManager.tabPane;
+
+public class NewFileEventHandler implements EventHandler<ActionEvent> {
+    @Override
+    public void handle(ActionEvent event) {
+        Controller controller = new Controller();
+        TextArea textArea = new TextArea(); // 创建新的文本编辑区
+        Tab tab = new Tab("新建文本 " + ++ViewManager.tabIndex); // 创建新的Tab页
+        tab.setContent(textArea);
+        tabPane.getTabs().add(tab);
+        tabPane.getSelectionModel().select(tab);
+        controller.updateStatusLabel(textArea);
+        // 更新编码信息
+        controller.upDateEncodingLabel(textArea.getText()); // 更新文本编码信息
+    }
+}

src/main/java/org/jcnc/jnotepad/controller/OpenFileEventHandler.java

@@ -0,0 +1,42 @@
+package org.jcnc.jnotepad.controller;
+
+import javafx.concurrent.Task;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.control.TextArea;
+import javafx.stage.FileChooser;
+
+import java.io.File;
+
+import static org.jcnc.jnotepad.ViewManager.tabPane;
+
+// 打开文件事件处理器
+public class OpenFileEventHandler implements EventHandler<ActionEvent> {
+    @Override
+    public void handle(ActionEvent event) {
+        Controller controller = new Controller();
+        FileChooser fileChooser = new FileChooser();
+        File file = fileChooser.showOpenDialog(null);
+        if (file != null) {
+            Task<Void> openFileTask = new Task<>() {
+                @Override
+                protected Void call() {
+                    controller.getText(file);
+                    controller.upDateEncodingLabel(((TextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getText());
+                    return null;
+                }
+            };
+
+            openFileTask.setOnSucceeded(e -> {
+                // 在需要时处理成功
+            });
+
+            openFileTask.setOnFailed(e -> {
+                // 在需要时处理失败
+            });
+
+            Thread thread = new Thread(openFileTask);
+            thread.start();
+        }
+    }
+}

src/main/java/org/jcnc/jnotepad/controller/SaveAsFileEventHandler.java

@@ -0,0 +1,42 @@
+package org.jcnc.jnotepad.controller;
+
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.control.Tab;
+import javafx.scene.control.TextArea;
+import javafx.stage.FileChooser;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+
+import static org.jcnc.jnotepad.ViewManager.tabPane;
+
+public class SaveAsFileEventHandler implements EventHandler<ActionEvent> {
+    @Override
+    public void handle(ActionEvent event) {
+        Controller controller = new Controller();
+        Tab selectedTab = tabPane.getSelectionModel().getSelectedItem();
+        if (selectedTab != null) {
+            FileChooser fileChooser = new FileChooser();
+            fileChooser.setInitialFileName("新建文本");
+            fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter("文本文档", "*.txt"));
+            File file = fileChooser.showSaveDialog(null);
+            if (file != null) {
+                try {
+                    BufferedWriter writer = new BufferedWriter(new FileWriter(file));
+                    TextArea textArea = (TextArea) selectedTab.getContent(); // 获取当前Tab页的文本编辑区
+                    controller.autoSave(textArea);// 自动保存
+                    String text = textArea.getText();
+                    writer.write(text); // 写入文件内容
+                    writer.flush();
+                    writer.close();
+                    selectedTab.setText(file.getName()); // 更新Tab页标签上的文件名
+                    selectedTab.setUserData(file); // 将文件对象保存到Tab页的UserData中
+                } catch (IOException ignored) {
+                }
+            }
+        }
+    }
+}

src/main/java/org/jcnc/jnotepad/controller/SaveFileEventHandler.java

@@ -0,0 +1,36 @@
+package org.jcnc.jnotepad.controller;
+
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.scene.control.Tab;
+import javafx.scene.control.TextArea;
+
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+
+import static org.jcnc.jnotepad.ViewManager.tabPane;
+
+// 保存文件事件处理器
+public class SaveFileEventHandler implements EventHandler<ActionEvent> {
+    @Override
+    public void handle(ActionEvent event) {
+        Controller controller = new Controller();
+        Tab selectedTab = tabPane.getSelectionModel().getSelectedItem();
+        if (selectedTab != null) {
+            File file = (File) selectedTab.getUserData();
+            if (file == null) {
+                controller.saveAsFile();
+            } else {
+                try {
+                    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8));
+                    TextArea textArea = (TextArea) selectedTab.getContent();
+                    String text = textArea.getText();
+                    writer.write(text);
+                    writer.flush();
+                    writer.close();
+                } catch (IOException ignored) {
+                }
+            }
+        }
+    }
+}

src/main/java/org/jcnc/jnotepad/tool/EncodingDetector.java

@@ -0,0 +1,48 @@
+package org.jcnc.jnotepad.tool;
+
+import javafx.scene.control.TextArea;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+
+public class EncodingDetector {
+
+    public static String detectEncoding(TextArea textArea) {
+        String text = textArea.getText();
+
+        return detectEncoding(text);
+    }
+
+    public static String detectEncoding(String text) {
+        // 尝试常见的编码
+        for (Charset charset : commonCharsets()) {
+            if (isValidEncoding(text, charset)) {
+                System.out.println(isValidEncoding(text, charset));
+                return charset.name();
+            }
+        }
+
+        return "UNKNOWN";
+    }
+
+    private static Charset[] commonCharsets() {
+        return new Charset[]{
+                StandardCharsets.UTF_8,
+                StandardCharsets.UTF_16,
+                StandardCharsets.UTF_16LE,
+                StandardCharsets.UTF_16BE,
+                StandardCharsets.ISO_8859_1
+        };
+    }
+
+    private static boolean isValidEncoding(String text, Charset encoding) {
+        // 尝试使用指定编码解码
+        byte[] bytes = text.getBytes(encoding);
+        String decoded = new String(bytes, encoding);
+
+
+        // 解码后的文本相同表示编码有效
+        return text.equals(decoded);
+    }
+
+}

src/main/java/org/jcnc/jnotepad/view/View.java

@@ -4,36 +4,38 @@ import javafx.scene.control.TextArea;
 import org.jcnc.jnotepad.controller.Controller;
 
 import static org.jcnc.jnotepad.ViewManager.*;
-import static org.jcnc.jnotepad.controller.Controller.upDateEncodingLabel;
+
-import static org.jcnc.jnotepad.controller.Controller.updateStatusLabel;
 
 public class View {
 
     public static void initItem() {
         // 初始化菜单项的事件处理器
-        newItem.setOnAction(new Controller.NewFileEventHandler());
+        newItem.setOnAction(new Controller().getNewFileEventHandler(new TextArea()));
-        openItem.setOnAction(new Controller.OpenFileEventHandler());
+        openItem.setOnAction(new Controller().getOpenFileEventHandler());
-        saveItem.setOnAction(new Controller.SaveFileEventHandler());
+        saveItem.setOnAction(new Controller().getSaveFileEventHandler());
-        saveAsItem.setOnAction(new Controller.SaveAsFileEventHandler());
+        saveAsItem.setOnAction(new Controller().getSaveAsFileEventHandler());
-        lineFeedItem.setOnAction(new Controller.LineFeedEventHandler(new TextArea()));
+        lineFeedItem.setOnAction(new Controller().getLineFeedEventHandler(new TextArea()));
 
     }
 
     public static void initTabPane() {
+        Controller controller = new Controller();
+
         tabPane.getSelectionModel().selectedItemProperty().addListener((observable, oldTab, newTab) -> {
             if (newTab != null) {
                 // 获取新选定的标签页并关联的文本区域
                 TextArea textArea = (TextArea) newTab.getContent();
 
                 // 更新状态标签
-                updateStatusLabel(textArea);
+                controller.updateStatusLabel(textArea);
 
                 // 监听文本光标位置的变化，更新状态标签
-                textArea.caretPositionProperty().addListener((caretObservable, oldPosition, newPosition) -> updateStatusLabel(textArea));
+                textArea.caretPositionProperty().addListener((caretObservable, oldPosition, newPosition) -> controller.updateStatusLabel(textArea));
 
                 // 更新编码标签
-                upDateEncodingLabel(textArea.getText());
+                controller.upDateEncodingLabel(textArea.getText());
             }
         });
     }
+
 }