refactor: 删除重复功能代码

src/main/java/org/jcnc/jnotepad/controller/i18n/LocalizationController.java

@@ -40,11 +40,22 @@ public class LocalizationController {
         return Locale.getDefault();
     }
 
+    /**
+     * 初始化语言配置
+     */
     public static void initLocal() {
         setCurrentLocal(null);
     }
 
+    /**
+     * 设置当前语言配置
+     * @param locale 当前语言Local对象
+     */
     public static void setCurrentLocal(Locale locale) {
+        if (locale != null && locale.equals(getCurrentLocal())) {
+            // 要更新的语言与当前语言一致，则不执行
+            return;
+        }
         if (locale == null) {
             locale = SUPPORT_LOCALES.get(LOCALIZATION_CONFIG.getLanguage());
         }
@@ -57,6 +68,10 @@ public class LocalizationController {
         LOCALIZATION_CONFIG.setLanguage(SUPPORT_LANGUAGES.get(locale));
     }
 
+    /**
+     * 设置当前语言配置
+     * @param language 当前语言自定义字符形式
+     */
     public static void setCurrentLanguage(String language) {
         Locale locale = SUPPORT_LOCALES.get(language);
         if (locale != null) {
@@ -78,6 +93,10 @@ public class LocalizationController {
         appConfigController.updateLanguage(language);
     }
 
+    /**
+     * 查询当前语言配置
+     * @return appConfig中的当前语言配置
+     */
     public String getLanguage() {
         return appConfigController.getLanguage();
     }

src/main/java/org/jcnc/jnotepad/ui/menu/JNotepadMenuBar.java

@@ -285,16 +285,14 @@ public class JNotepadMenuBar extends MenuBar {
             // 设置窗口为置顶
             primaryStage.setAlwaysOnTop(after);
         });
-        englishItem.setOnAction(actionEvent -> {
+        englishItem.setOnAction(this::toggleLanguage);
-            setCurrentLanguage(ENGLISH);
+        chineseItem.setOnAction(this::toggleLanguage);
-            toggleLanguage(actionEvent);
-        });
-        chineseItem.setOnAction(actionEvent -> {
-            setCurrentLanguage(CHINESE);
-            toggleLanguage(actionEvent);
-        });
     }
 
+    /**
+     * 切换语言
+     * @param actionEvent 点击事件
+     */
     private void toggleLanguage(ActionEvent actionEvent) {
         if (actionEvent == null) {
             return;
@@ -306,20 +304,6 @@ public class JNotepadMenuBar extends MenuBar {
         LocalizationController.setCurrentLocal((Locale) languageItem.getUserData());
     }
 
-    /**
-     * 设置当前语言<br>
-     *
-     * @param language 要设置的语言
-     * @since 2023/8/26 16:16
-     */
-    private void setCurrentLanguage(String language) {
-        // 如果当前已是该语言则不执行该方法
-        if (localizationController.getLanguage().equals(language)) {
-            return;
-        }
-        LocalizationController.setCurrentLanguage(language);
-        AppConfigController.getInstance().updateLanguage(language);
-    }
 
     /**
      * 根据当前选中tab，更新菜单选项