try to move deleting version to trash

HMCL/src/main/java/org/jackhuang/hmcl/ui/VersionPage.java

@@ -26,17 +26,17 @@ import javafx.beans.property.StringProperty;
 import javafx.fxml.FXML;
 import javafx.scene.control.Tab;
 import javafx.scene.layout.StackPane;
-
 import org.jackhuang.hmcl.download.game.GameAssetIndexDownloadTask;
 import org.jackhuang.hmcl.setting.EnumGameDirectory;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.export.ExportWizardProvider;
 import org.jackhuang.hmcl.ui.wizard.DecoratorPage;
 import org.jackhuang.hmcl.util.FileUtils;
-import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 
 import java.io.File;
 
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
 public final class VersionPage extends StackPane implements DecoratorPage {
     private final StringProperty title = new SimpleStringProperty(this, "title", null);
 
@@ -188,7 +188,11 @@ public final class VersionPage extends StackPane implements DecoratorPage {
 
     public static void deleteVersion(Profile profile, String version) {
         boolean isIndependent = profile.getVersionSetting(version).getGameDirType() == EnumGameDirectory.VERSION_FOLDER;
-        Controllers.confirmDialog(i18n(isIndependent ? "version.manage.remove.confirm.independent" : "version.manage.remove.confirm", version), i18n("message.confirm"), () -> {
+        boolean isMovingToTrashSupported = FileUtils.isMovingToTrashSupported();
+        String message = isIndependent ? i18n("version.manage.remove.confirm.independent", version) :
+                isMovingToTrashSupported ? i18n("version.manage.remove.confirm.trash", version, version + "_removed") :
+                        i18n("version.manage.remove.confirm", version);
+        Controllers.confirmDialog(message, i18n("message.confirm"), () -> {
             if (profile.getRepository().removeVersionFromDisk(version)) {
                 profile.getRepository().refreshVersionsAsync().start();
                 Controllers.navigate(null);

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -334,7 +334,8 @@ version.launch_script.save=Save the launch script
 version.launch_script.success=Finished script creation, %s.
 version.manage.redownload_assets_index=Redownload Assets Index
 version.manage.remove=Delete this game
-version.manage.remove.confirm=Sure to remove game %s?
+version.manage.remove.confirm=Sure to remove game %s? You cannot restore this game again!
+version.manage.remove.confirm.trash=Sure to remove game %s? You can restore the game with the name of %s in your system trash.
 version.manage.remove.confirm.independent=Since this game is in independent mode, deleting this game will result in all saved worlds belonging to this game removed simultaneously. Sure to remove game %s?
 version.manage.remove_libraries=Delete library files
 version.manage.rename=Rename this game

HMCL/src/main/resources/assets/lang/I18N_zh.properties

@@ -334,7 +334,8 @@ version.launch_script.save=保存啓動腳本
 version.launch_script.success=啓動腳本已生成完畢：%s
 version.manage.redownload_assets_index=重新下載資源配置（assets_index.json）
 version.manage.remove=刪除該版本
-version.manage.remove.confirm=真的要刪除版本 %s 嗎？
+version.manage.remove.confirm=真的要刪除版本 %s 嗎？你將無法找回被刪除的文件！
+version.manage.remove.confirm.trash=真的要刪除版本 %s 嗎？你可以在系統的回收站中恢復文件夾 %s 來找回該版本。
 version.manage.remove.confirm.independent=由於該遊戲使用了版本隔離，所以刪除該版本將導致該遊戲的存檔等數據一同被刪除，真的要刪除版本 %s 嗎？
 version.manage.remove_libraries=刪除所有庫文件
 version.manage.rename=重命名該版本

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -334,7 +334,8 @@ version.launch_script.save=保存启动脚本
 version.launch_script.success=启动脚本已生成完毕：%s
 version.manage.redownload_assets_index=重新下载资源配置（assets_index.json）
 version.manage.remove=删除该版本
-version.manage.remove.confirm=真的要删除版本 %s 吗？
+version.manage.remove.confirm=真的要删除版本 %s 吗？你将无法找回被删除的文件！
+version.manage.remove.confirm.trash=真的要删除版本 %s 吗？你可以在系统的回收站中恢复文件夹 %s 来找回该版本。
 version.manage.remove.confirm.independent=由于该游戏使用了版本隔离，所以删除该版本将导致该游戏的存档等数据一同被删除，真的要删除版本 %s 吗？
 version.manage.remove_libraries=删除所有库文件
 version.manage.rename=重命名该版本

HMCLCore/src/main/java/org/jackhuang/hmcl/game/DefaultGameRepository.java

@@ -160,14 +160,18 @@ public class DefaultGameRepository implements GameRepository {
         if (!file.renameTo(removedFile))
             return false;
 
+        versions.remove(id);
+
+        if (FileUtils.isMovingToTrashSupported()) {
+            return FileUtils.moveToTrash(removedFile);
+        }
+
         // remove json files first to ensure HMCL will not recognize this folder as a valid version.
         List<File> jsons = FileUtils.listFilesByExtension(removedFile, "json");
         jsons.forEach(f -> {
             if (!f.delete())
                 Logging.LOG.warning("Unable to delete file " + f);
         });
-
-        versions.remove(id);
         // remove the version from version list regardless of whether the directory was removed successfully or not.
         try {
             FileUtils.deleteDirectory(removedFile);

HMCLCore/src/main/java/org/jackhuang/hmcl/util/FileUtils.java

@@ -20,8 +20,10 @@ package org.jackhuang.hmcl.util;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.lang.reflect.Method;
 import java.nio.charset.Charset;
-import java.nio.file.*;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
@@ -95,6 +97,30 @@ public final class FileUtils {
         return Lang.test(() -> deleteDirectory(directory));
     }
 
+    public static boolean moveToTrash(File file) {
+        try {
+            java.awt.Desktop desktop = java.awt.Desktop.getDesktop();
+            Method moveToTrash = desktop.getClass().getMethod("moveToTrash", File.class);
+            moveToTrash.invoke(desktop, file);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    /**
+     * Check if {@code java.awt.Desktop.moveToTrash} exists.
+     * @return true if the method exists.
+     */
+    public static boolean isMovingToTrashSupported() {
+        try {
+            java.awt.Desktop.class.getMethod("moveToTrash", File.class);
+            return true;
+        } catch (ReflectiveOperationException e) {
+            return false;
+        }
+    }
+
     public static void cleanDirectory(File directory)
             throws IOException {
         if (!directory.exists()) {