JCNC/JNotepad
JCNC/JNotepad
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!1 重构代码

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Merge pull request !1 from Luke/develop
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Luke 2023-08-12 03:07:05 +00:00 committed by Gitee
commit 8f18ba598b
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14 changed files with 366 additions and 235 deletions
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3
src/main/java/module-info.java
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@ -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;
}

1
src/main/java/org/jcnc/jnotepad/Constants.java
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@ -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

39
src/main/java/org/jcnc/jnotepad/Interface/ControllerInterface.java Normal file
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@ -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);
}

13
src/main/java/org/jcnc/jnotepad/LunchApp.java
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@ -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();
View.initTabPane();
initItem();
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

1
src/main/java/org/jcnc/jnotepad/ViewManager.java
View File

@ -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。

255
src/main/java/org/jcnc/jnotepad/controller/Controller.java
View File

@ -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;
/**
* 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 {
public class Controller implements ControllerInterface {
/**
* 打开关联文件并创建一个文本编辑区。
*
* @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) {
@Override
public 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> {
private final TextArea textArea;
private boolean wrapText = true;
public LineFeedEventHandler(TextArea textArea) {
this.textArea = textArea;
@Override
public EventHandler<ActionEvent> getLineFeedEventHandler(TextArea textArea) {
return new LineFeedEventHandler(textArea);
}
@Override
public void handle(ActionEvent event) {
wrapText = !wrapText; // 切换自动换行状态
textArea.setWrapText(wrapText);
}
public EventHandler<ActionEvent> getNewFileEventHandler(TextArea textArea) {
return new NewFileEventHandler();
}
// 新建文件事件处理器
public static class NewFileEventHandler implements EventHandler<ActionEvent> {
@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
}
public EventHandler<ActionEvent> getOpenFileEventHandler() {
return new OpenFileEventHandler();
}
// 打开文件事件处理器
public static class OpenFileEventHandler implements EventHandler<ActionEvent> {
@Override
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
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();
if (f != null) {
try (BufferedWriter writer = new BufferedWriter(new FileWriter(f))) {
File file = (File) tab.getUserData();
if (file != null) {
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
public static class SaveFileEventHandler implements EventHandler<ActionEvent> {
@Override
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) {
}
}
}
}
public EventHandler<ActionEvent> getSaveFileEventHandler() {
return new SaveFileEventHandler();
}
// 另存为文件事件处理器
public static class SaveAsFileEventHandler implements EventHandler<ActionEvent> {
@Override
public void handle(ActionEvent event) {
saveAsFile();
}
public EventHandler<ActionEvent> getSaveAsFileEventHandler() {
return new SaveAsFileEventHandler();
}
// 另存为文件方法
public static void saveAsFile() {
@Override
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 {
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) {
}
saveFile();
}
}
}
// 更新状态栏标签信息
public static void updateStatusLabel(TextArea textArea) {
@Override
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
public static void openAssociatedFile(String filePath) {
// 根据给定的文件路径打开关联文件
@Override
public void openAssociatedFile(String filePath) {
File file = new File(filePath);
if (file.exists() && file.isFile()) {
LunchApp.isRelevance = false;
getText(file);// 调用读取文件方法
upDateEncodingLabel(((TextArea) tabPane.getSelectionModel().getSelectedItem().getContent()).getText()); // 更新文本编码信息
openFile(file);
}
}
public static void getText(File file) {
TextArea textArea = new TextArea();
@Override
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.setContent(textArea);
tab.setUserData(file);
Tab tab = createNewTab(file.getName(), textArea);
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
public static void upDateEncodingLabel(String text) {
@Override
public void upDateEncodingLabel(String text) {
String encoding = detectEncoding(text);
enCodingLabel.setText("\t编码: " + encoding);
}
/* // 判断编码是否有效
public static boolean isEncodingValid(String text, Charset encoding) {
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) {
@Override
public 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;
}
// 获取光标所在列数
public static int getColumn(int caretPosition, String text) {
@Override
public 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();
}
}

47
src/main/java/org/jcnc/jnotepad/controller/EncodingDetector.java
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@ -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);
}
}

18
src/main/java/org/jcnc/jnotepad/controller/LineFeedEventHandler.java Normal file
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@ -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");
}
}

24
src/main/java/org/jcnc/jnotepad/controller/NewFileEventHandler.java Normal file
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@ -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
}
}

42
src/main/java/org/jcnc/jnotepad/controller/OpenFileEventHandler.java Normal file
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@ -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();
}
}
}

42
src/main/java/org/jcnc/jnotepad/controller/SaveAsFileEventHandler.java Normal file
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@ -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) {
}
}
}
}
}

36
src/main/java/org/jcnc/jnotepad/controller/SaveFileEventHandler.java Normal file
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@ -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) {
}
}
}
}
}

48
src/main/java/org/jcnc/jnotepad/tool/EncodingDetector.java Normal file
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@ -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);
}
}

22
src/main/java/org/jcnc/jnotepad/view/View.java
View File

@ -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());
openItem.setOnAction(new Controller.OpenFileEventHandler());
saveItem.setOnAction(new Controller.SaveFileEventHandler());
saveAsItem.setOnAction(new Controller.SaveAsFileEventHandler());
lineFeedItem.setOnAction(new Controller.LineFeedEventHandler(new TextArea()));
newItem.setOnAction(new Controller().getNewFileEventHandler(new TextArea()));
openItem.setOnAction(new Controller().getOpenFileEventHandler());
saveItem.setOnAction(new Controller().getSaveFileEventHandler());
saveAsItem.setOnAction(new Controller().getSaveAsFileEventHandler());
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());
}
});
}
}