Fix crash when modpack to be installed is malformed.

Fix JsonParseException
Make head displayed more precisely
2018-09-26 13:13:44 +08:00 · 2018-09-26 13:13:21 +08:00 · 2018-09-25 12:30:21 +08:00 · 2018-09-24 17:28:17 +08:00 · 2018-09-24 17:26:02 +08:00 · 2018-09-24 17:24:13 +08:00
237 changed files with 2737 additions and 1568 deletions
@@ -25,8 +25,12 @@ NVIDIA
 /HMCLCore/out/

 # eclipse
+/bin/
+/HMCL/bin/
+/HMCLCore/bin/
 .classpath
 .project
+.settings

 # netbeans
 .nb-gradle
@@ -20,7 +20,7 @@ import org.tukaani.xz.XZOutputStream
 def buildnumber = System.getenv("BUILD_NUMBER") ?: "SNAPSHOT"
 if (System.getenv("BUILD_NUMBER") != null && System.getenv("BUILD_NUMBER_OFFSET") != null)
    buildnumber = (Integer.parseInt(System.getenv("BUILD_NUMBER")) - Integer.parseInt(System.getenv("BUILD_NUMBER_OFFSET"))).toString()
-def versionroot = System.getenv("VERSION_ROOT") ?: "3.1"
+def versionroot = System.getenv("VERSION_ROOT") ?: "3.2"
 version = versionroot + '.' + buildnumber

 dependencies {
@@ -21,12 +21,16 @@ import com.jfoenix.concurrency.JFXUtilities;
 import javafx.application.Application;
 import javafx.application.Platform;
 import javafx.stage.Stage;
+import org.jackhuang.hmcl.setting.ConfigHolder;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.upgrade.UpdateChecker;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
+import java.io.IOException;
 import java.lang.management.ManagementFactory;
 import java.net.URISyntaxException;
 import java.net.URL;
@@ -37,6 +41,7 @@ import java.util.List;
 import java.util.concurrent.TimeUnit;

 import static org.jackhuang.hmcl.util.Logging.LOG;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 public final class Launcher extends Application {

@@ -44,6 +49,12 @@ public final class Launcher extends Application {
    public void start(Stage primaryStage) {
        Thread.currentThread().setUncaughtExceptionHandler(CRASH_REPORTER);

+        try {
+            ConfigHolder.init();
+        } catch (IOException e) {
+            Main.showErrorAndExit(i18n("fatal.config_loading_failure", Paths.get("").toAbsolutePath().normalize()));
+        }
+
        try {
            // When launcher visibility is set to "hide and reopen" without Platform.implicitExit = false,
            // Stage.show() cannot work again because JavaFX Toolkit have already shut down.
@@ -69,9 +80,6 @@ public final class Launcher extends Application {
        try {
            Logging.start(LOG_DIRECTORY);

-            // NetworkUtils.setUserAgentSupplier(() -> "Hello Minecraft! Launcher");
-            Constants.UI_THREAD_SCHEDULER = Constants.JAVAFX_UI_THREAD_SCHEDULER;
-
            LOG.info("*** " + Metadata.TITLE + " ***");
            LOG.info("Operating System: " + System.getProperty("os.name") + ' ' + OperatingSystem.SYSTEM_VERSION);
            LOG.info("Java Version: " + System.getProperty("java.version") + ", " + System.getProperty("java.vendor"));
@@ -17,16 +17,12 @@
 */
 package org.jackhuang.hmcl;

-import org.jackhuang.hmcl.setting.ConfigHolder;
 import org.jackhuang.hmcl.upgrade.UpdateHandler;
-
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.TrustManagerFactory;
 import javax.net.ssl.X509TrustManager;
 import javax.swing.*;
 import java.io.File;
-import java.io.IOException;
-import java.nio.file.Paths;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
@@ -40,6 +36,7 @@ public final class Main {

    public static void main(String[] args) {
        System.setProperty("java.net.useSystemProxies", "true");
+        System.setProperty("http.agent", "HMCL/" + Metadata.VERSION);

        checkJavaFX();
        checkDirectoryPath();
@@ -49,12 +46,6 @@ public final class Main {
            return;
        }

-        try {
-            ConfigHolder.init();
-        } catch (IOException e) {
-            showErrorAndExit(i18n("fatal.config_loading_failure", Paths.get("").toAbsolutePath().normalize()));
-        }
-
        Launcher.main(args);
    }

@@ -100,7 +91,7 @@ public final class Main {
    /**
     * Indicates that a fatal error has occurred, and that the application cannot start.
     */
-    private static void showErrorAndExit(String message) {
+    static void showErrorAndExit(String message) {
        System.err.println(message);
        System.err.println("A fatal error has occurred, forcibly exiting.");
        JOptionPane.showMessageDialog(null, message, "Error", JOptionPane.ERROR_MESSAGE);
@@ -110,7 +101,7 @@ public final class Main {
    /**
     * Indicates that potential issues have been detected, and that the application may not function properly (but it can still run).
     */
-    private static void showWarningAndContinue(String message) {
+    static void showWarningAndContinue(String message) {
        System.err.println(message);
        System.err.println("Potential issues have been detected.");
        JOptionPane.showMessageDialog(null, message, "Warning", JOptionPane.WARNING_MESSAGE);
@@ -17,7 +17,7 @@
 */
 package org.jackhuang.hmcl;

-import org.jackhuang.hmcl.util.JarUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;

 /**
 * Stores metadata about this application.
@@ -31,5 +31,6 @@ public final class Metadata {
    
    public static final String UPDATE_URL = System.getProperty("hmcl.update_source.override", "https://hmcl.huangyuhui.net/api/update_link");
    public static final String CONTACT_URL = "https://hmcl.huangyuhui.net/contact";
+    public static final String HELP_URL = "https://hmcl.huangyuhui.net/help";
    public static final String PUBLISH_URL = "http://www.mcbbs.net/thread-142335-1-1.html";
 }
@@ -17,7 +17,7 @@
 */
 package org.jackhuang.hmcl.game;

-import javafx.geometry.Rectangle2D;
+import javafx.embed.swing.SwingFXUtils;
 import javafx.scene.image.Image;
 import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.Account;
@@ -30,8 +30,10 @@ import org.jackhuang.hmcl.task.Scheduler;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.DialogController;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
 import java.io.File;
 import java.util.*;

@@ -91,9 +93,19 @@ public final class AccountHelper {
        return scale(url, scaleRatio);
    }

-    public static Rectangle2D getViewport(double scaleRatio) {
-        double size = 8.0 * scaleRatio;
-        return new Rectangle2D(size, size, size, size);
+    public static Image getHead(Image skin, int scaleRatio) {
+        final int size = 8 * scaleRatio;
+        final int faceOffset = (int) Math.round(scaleRatio * 4d / 9d);
+        BufferedImage image = SwingFXUtils.fromFXImage(skin, null);
+        BufferedImage head = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
+        Graphics2D g2d = head.createGraphics();
+        g2d.drawImage(image, faceOffset, faceOffset, size - faceOffset, size - faceOffset,
+                size, size, size + size, size + size, null);
+        if (image.getHeight() > 32) {
+            g2d.drawImage(image, 0, 0, size, size,
+                    40 * scaleRatio, 8 * scaleRatio, 48 * scaleRatio, 16 * scaleRatio, null);
+        }
+        return SwingFXUtils.toFXImage(head, null);
    }

    private static class SkinLoadTask extends Task {
@@ -159,11 +171,11 @@ public final class AccountHelper {
    }

    public static Image getSteveSkin(double scaleRatio) {
-         return scale("/assets/img/steve.png", 4);
+        return scale("/assets/img/steve.png", scaleRatio);
    }

    public static Image getAlexSkin(double scaleRatio) {
-        return scale("/assets/img/alex.png", 4);
+        return scale("/assets/img/alex.png", scaleRatio);
    }

    public static Image getDefaultSkin(UUID uuid, double scaleRatio) {
@@ -19,6 +19,7 @@ package org.jackhuang.hmcl.game;

 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import javafx.scene.image.Image;
 import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
 import org.jackhuang.hmcl.event.RefreshingVersionsEvent;
@@ -26,8 +27,8 @@ import org.jackhuang.hmcl.setting.EnumGameDirectory;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.setting.VersionSetting;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
@@ -144,10 +145,24 @@ public class HMCLGameRepository extends DefaultGameRepository {
        return setting;
    }

-    public File getVersionIcon(String id) {
+    public File getVersionIconFile(String id) {
        return new File(getVersionRoot(id), "icon.png");
    }

+    public Image getVersionIconImage(String id) {
+        if (id == null)
+            return new Image("/assets/img/grass.png");
+
+        Version version = getVersion(id);
+        File iconFile = getVersionIconFile(id);
+        if (iconFile.exists())
+            return new Image("file:" + iconFile.getAbsolutePath());
+        else if ("net.minecraft.launchwrapper.Launch".equals(version.getMainClass()))
+            return new Image("/assets/img/furnace.png");
+        else
+            return new Image("/assets/img/grass.png");
+    }
+
    public boolean saveVersionSetting(String id) {
        if (!versionSettings.containsKey(id))
            return false;
@@ -164,6 +179,27 @@ public class HMCLGameRepository extends DefaultGameRepository {
        }
    }

+    /**
+     * Make version use self version settings instead of the global one.
+     * @param id the version id.
+     * @return specialized version setting, null if given version does not exist.
+     */
+    public VersionSetting specializeVersionSetting(String id) {
+        VersionSetting vs = getVersionSetting(id);
+        if (vs == null)
+            vs = createVersionSetting(id);
+        if (vs == null)
+            return null;
+        vs.setUsesGlobal(false);
+        return vs;
+    }
+
+    public void globalizeVersionSetting(String id) {
+        VersionSetting vs = getVersionSetting(id);
+        if (vs != null)
+            vs.setUsesGlobal(true);
+    }
+
    public boolean forbidsVersion(String id) {
        return FORBIDDEN.contains(id);
    }
@@ -19,9 +19,9 @@ package org.jackhuang.hmcl.game;

 import org.jackhuang.hmcl.mod.Modpack;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.Zipper;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.Zipper;

 import java.io.File;
 import java.util.ArrayList;
@@ -73,8 +73,8 @@ public class HMCLModpackExportTask extends Task {
            Version mv = repository.getResolvedVersion(version);
            String gameVersion = GameVersion.minecraftVersion(repository.getVersionJar(version))
                    .orElseThrow(() ->  new IllegalStateException("Cannot parse the version of " + version));
-            zip.putTextFile(Constants.GSON.toJson(mv.setJar(gameVersion)), "minecraft/pack.json"); // Making "jar" to gameVersion is to be compatible with old HMCL.
-            zip.putTextFile(Constants.GSON.toJson(modpack.setGameVersion(gameVersion)), "modpack.json"); // Newer HMCL only reads 'gameVersion' field.
+            zip.putTextFile(JsonUtils.GSON.toJson(mv.setJar(gameVersion)), "minecraft/pack.json"); // Making "jar" to gameVersion is to be compatible with old HMCL.
+            zip.putTextFile(JsonUtils.GSON.toJson(modpack.setGameVersion(gameVersion)), "modpack.json"); // Newer HMCL only reads 'gameVersion' field.
        }
    }
 }
@@ -27,9 +27,9 @@ import org.jackhuang.hmcl.mod.ModpackConfiguration;
 import org.jackhuang.hmcl.mod.ModpackInstallTask;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.CompressingUtils;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
@@ -65,7 +65,7 @@ public final class HMCLModpackInstallTask extends Task {
        ModpackConfiguration<Modpack> config = null;
        try {
            if (json.exists()) {
-                config = Constants.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<Modpack>>() {
+                config = JsonUtils.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<Modpack>>() {
                }.getType());

                if (!MODPACK_TYPE.equals(config.getType()))
@@ -89,7 +89,7 @@ public final class HMCLModpackInstallTask extends Task {
    @Override
    public void execute() throws Exception {
        String json = CompressingUtils.readTextZipEntry(zipFile, "minecraft/pack.json");
-        Version version = Constants.GSON.fromJson(json, Version.class).setId(name).setJar(null);
+        Version version = JsonUtils.GSON.fromJson(json, Version.class).setId(name).setJar(null);
        dependencies.add(new VersionJsonSaveTask(repository, version));
        dependencies.add(new MinecraftInstanceTask<>(zipFile, "/minecraft", modpack, MODPACK_TYPE, repository.getModpackConfiguration(name)));
    }
@@ -19,10 +19,10 @@ package org.jackhuang.hmcl.game;

 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.mod.Modpack;
-import org.jackhuang.hmcl.util.CompressingUtils;
-import org.jackhuang.hmcl.util.JsonUtils;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;

 import java.io.File;
 import java.io.IOException;
@@ -32,7 +32,6 @@ import org.jackhuang.hmcl.mod.CurseCompletionTask;
 import org.jackhuang.hmcl.mod.ModpackConfiguration;
 import org.jackhuang.hmcl.setting.LauncherVisibility;
 import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.setting.Settings;
 import org.jackhuang.hmcl.setting.VersionSetting;
 import org.jackhuang.hmcl.task.*;
 import org.jackhuang.hmcl.ui.Controllers;
@@ -42,6 +41,13 @@ import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 import org.jackhuang.hmcl.ui.construct.TaskExecutorDialogPane;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.function.ExceptionalSupplier;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.platform.CommandBuilder;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.io.File;
 import java.io.IOException;
@@ -50,6 +56,7 @@ import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.atomic.AtomicInteger;

+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 import static org.jackhuang.hmcl.util.Lang.mapOf;
 import static org.jackhuang.hmcl.util.Pair.pair;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
@@ -281,13 +288,13 @@ public final class LauncherHelper {
            }
        }

-        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.Platform.BIT_32 &&
-                org.jackhuang.hmcl.util.Platform.IS_64_BIT) {
+        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.BIT_32 &&
+                org.jackhuang.hmcl.util.platform.Platform.IS_64_BIT) {
            final JavaVersion java32 = java;

            // First find if same java version but whose platform is 64-bit installed.
            Optional<JavaVersion> java64 = JavaVersion.getJREs().stream()
-                    .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.Platform.PLATFORM)
+                    .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.PLATFORM)
                    .filter(javaVersion -> javaVersion.getParsedVersion() == java32.getParsedVersion())
                    .max(Comparator.comparing(JavaVersion::getVersionNumber));

@@ -296,7 +303,7 @@ public final class LauncherHelper {

                // Then find if other java version which satisfies requirements installed.
                java64 = JavaVersion.getJREs().stream()
-                        .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.Platform.PLATFORM)
+                        .filter(javaVersion -> javaVersion.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.PLATFORM)
                        .filter(javaVersion -> {
                            if (java8requiredFinal) return javaVersion.getParsedVersion() == JavaVersion.JAVA_8;
                            if (newJavaRequiredFinal) return javaVersion.getParsedVersion() >= JavaVersion.JAVA_8;
@@ -313,7 +320,7 @@ public final class LauncherHelper {
            }
        }

-        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.Platform.BIT_32 &&
+        if (!flag && java.getPlatform() == org.jackhuang.hmcl.util.platform.Platform.BIT_32 &&
                setting.getMaxMemory() > 1.5 * 1024) {
            // 1.5 * 1024 is an inaccurate number.
            // Actual memory limit depends on operating system and memory.
@@ -443,7 +450,7 @@ public final class LauncherHelper {
                System.out.print(log);

            logs.add(pair(log, level));
-            if (logs.size() > Settings.instance().getLogLines())
+            if (logs.size() > config().getLogLines())
                logs.removeFirst();

            if (setting.isShowLogs()) {
@@ -25,9 +25,9 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.VersionSetting;
 import org.jackhuang.hmcl.task.FinalizedCallback;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.FileNotFoundException;
@@ -64,7 +64,7 @@ public final class ModpackHelper {
            throw new FileNotFoundException(file.getPath());
        else
            try {
-                return Constants.GSON.fromJson(FileUtils.readText(file), new TypeToken<ModpackConfiguration<?>>() {
+                return JsonUtils.GSON.fromJson(FileUtils.readText(file), new TypeToken<ModpackConfiguration<?>>() {
                }.getType());
            } catch (JsonParseException e) {
                throw new IOException("Malformed modpack configuration");
@@ -87,9 +87,10 @@ public final class ModpackHelper {

        FinalizedCallback finalizeTask = (variables, isDependentsSucceeded) -> {
            if (isDependentsSucceeded) {
-                profile.getRepository().refreshVersions();
-                VersionSetting vs = profile.specializeVersionSetting(name);
-                profile.getRepository().undoMark(name);
+                HMCLGameRepository repository = profile.getRepository();
+                repository.refreshVersions();
+                VersionSetting vs = repository.specializeVersionSetting(name);
+                repository.undoMark(name);
                if (vs != null)
                    vs.setGameDirType(EnumGameDirectory.VERSION_FOLDER);
            }
@@ -44,7 +44,7 @@ public final class MultiMCInstallVersionSettingTask extends Task {

    @Override
    public void execute() {
-        VersionSetting vs = Objects.requireNonNull(profile.specializeVersionSetting(version));
+        VersionSetting vs = Objects.requireNonNull(profile.getRepository().specializeVersionSetting(version));
        ModpackHelper.toVersionSetting(manifest, vs);
    }
 }
@@ -59,7 +59,7 @@ public final class Accounts {
    public static final OfflineAccountFactory FACTORY_OFFLINE = OfflineAccountFactory.INSTANCE;
    public static final YggdrasilAccountFactory FACTORY_YGGDRASIL = new YggdrasilAccountFactory(MojangYggdrasilProvider.INSTANCE);
    public static final AuthlibInjectorAccountFactory FACTORY_AUTHLIB_INJECTOR = new AuthlibInjectorAccountFactory(
-            new AuthlibInjectorDownloader(Launcher.HMCL_DIRECTORY.toPath(), () -> Settings.instance().getDownloadProvider())::getArtifactInfo,
+            new AuthlibInjectorDownloader(Launcher.HMCL_DIRECTORY.toPath(), DownloadProviders::getDownloadProvider)::getArtifactInfo,
            Accounts::getOrCreateAuthlibInjectorServer);

    private static final String TYPE_OFFLINE = "offline";
@@ -35,11 +35,11 @@ import org.hildan.fxgson.factories.JavaFxPropertyTypeAdapterFactory;
 import org.jackhuang.hmcl.Launcher;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.upgrade.UpdateChannel;
-import org.jackhuang.hmcl.util.EnumOrdinalDeserializer;
-import org.jackhuang.hmcl.util.FileTypeAdapter;
-import org.jackhuang.hmcl.util.ObservableHelper;
+import org.jackhuang.hmcl.util.gson.EnumOrdinalDeserializer;
+import org.jackhuang.hmcl.util.gson.FileTypeAdapter;
 import org.jackhuang.hmcl.util.i18n.Locales;
 import org.jackhuang.hmcl.util.i18n.Locales.SupportedLocale;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;

 import java.io.File;
 import java.lang.reflect.Modifier;
@@ -115,8 +115,8 @@ public final class Config implements Cloneable, Observable {
    @SerializedName("localization")
    private ObjectProperty<SupportedLocale> localization = new SimpleObjectProperty<>(Locales.DEFAULT);

-    @SerializedName("downloadtype")
-    private IntegerProperty downloadType = new SimpleIntegerProperty(1);
+    @SerializedName("downloadType")
+    private StringProperty downloadType = new SimpleStringProperty("bmclapi");

    @SerializedName("configurations")
    private ObservableMap<String, Profile> configurations = FXCollections.observableMap(new TreeMap<>());
@@ -142,9 +142,6 @@ public final class Config implements Cloneable, Observable {
    @SerializedName("updateChannel")
    private ObjectProperty<UpdateChannel> updateChannel = new SimpleObjectProperty<>(UpdateChannel.STABLE);

-    @SerializedName("enableMainPageGameList")
-    private BooleanProperty enableMainPageGameList = new SimpleBooleanProperty(false);
-
    @SerializedName("_version")
    private IntegerProperty configVersion = new SimpleIntegerProperty(0);

@@ -359,15 +356,15 @@ public final class Config implements Cloneable, Observable {
        return localization;
    }

-    public int getDownloadType() {
+    public String getDownloadType() {
        return downloadType.get();
    }

-    public void setDownloadType(int downloadType) {
+    public void setDownloadType(String downloadType) {
        this.downloadType.set(downloadType);
    }

-    public IntegerProperty downloadTypeProperty() {
+    public StringProperty downloadTypeProperty() {
        return downloadType;
    }

@@ -443,15 +440,4 @@ public final class Config implements Cloneable, Observable {
        this.updateChannel.set(updateChannel);
    }

-    public boolean isEnableMainPageGameList() {
-        return enableMainPageGameList.get();
-    }
-
-    public BooleanProperty enableMainPageGameListProperty() {
-        return enableMainPageGameList;
-    }
-
-    public void setEnableMainPageGameList(boolean enableMainPageGameList) {
-        this.enableMainPageGameList.set(enableMainPageGameList);
-    }
 }
@@ -19,7 +19,6 @@ package org.jackhuang.hmcl.setting;

 import com.google.gson.Gson;
 import com.google.gson.JsonParseException;
-import org.jackhuang.hmcl.util.OperatingSystem;

 import java.io.IOException;
 import java.nio.file.Files;
@@ -28,6 +27,10 @@ import java.nio.file.Paths;
 import java.util.Map;
 import java.util.logging.Level;

+import org.jackhuang.hmcl.util.InvocationDispatcher;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.jackhuang.hmcl.util.Logging.LOG;

@@ -68,7 +71,7 @@ public final class ConfigHolder {
        Settings.init();

        if (newlyCreated) {
-            saveConfig();
+            saveConfigSync();

            // hide the config file on windows
            if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
@@ -122,22 +125,26 @@ public final class ConfigHolder {
        return new Config();
    }

-    private static void saveConfig() throws IOException {
-        LOG.info("Saving config");
+    private static InvocationDispatcher<String> configWriter = InvocationDispatcher.runOn(Lang::thread, content -> {
        try {
-            Files.write(configLocation, configInstance.toJson().getBytes(UTF_8));
+            writeToConfig(content);
        } catch (IOException e) {
            LOG.log(Level.SEVERE, "Failed to save config", e);
-            throw e;
+        }
+    });
+
+    private static void writeToConfig(String content) throws IOException {
+        LOG.info("Saving config");
+        synchronized (configLocation) {
+            Files.write(configLocation, content.getBytes(UTF_8));
        }
    }

    static void markConfigDirty() {
-        // TODO: change this to async
-        try {
-            saveConfig();
-        } catch (IOException ignored) {
-            // ignore it as it has been logged
-        }
+        configWriter.accept(configInstance.toJson());
+    }
+
+    private static void saveConfigSync() throws IOException {
+        writeToConfig(configInstance.toJson());
    }
 }
@@ -20,7 +20,7 @@ package org.jackhuang.hmcl.setting;
 import org.jackhuang.hmcl.auth.offline.OfflineAccount;
 import org.jackhuang.hmcl.auth.offline.OfflineAccountFactory;
 import org.jackhuang.hmcl.util.StringUtils;
-import org.jackhuang.hmcl.util.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;

 import java.util.LinkedList;
 import java.util.List;
@@ -86,5 +86,17 @@ final class ConfigUpgrader {
            deserialized.setHasProxy(StringUtils.isNotBlank(deserialized.getProxyHost()));
        if (!rawJson.containsKey("hasProxyAuth"))
            deserialized.setHasProxyAuth(StringUtils.isNotBlank(deserialized.getProxyUser()));
+
+        if (!rawJson.containsKey("downloadType")) {
+            tryCast(rawJson.get("downloadtype"), Number.class)
+                    .map(Number::intValue)
+                    .ifPresent(id -> {
+                        if (id == 0) {
+                            deserialized.setDownloadType("mojang");
+                        } else if (id == 1) {
+                            deserialized.setDownloadType("bmclapi");
+                        }
+                    });
+        }
    }
 }
@@ -17,20 +17,44 @@
 */
 package org.jackhuang.hmcl.setting;

+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.util.Lang.mapOf;
+import static org.jackhuang.hmcl.util.Pair.pair;
+
+import java.util.Map;
+import java.util.Optional;
+
 import org.jackhuang.hmcl.download.BMCLAPIDownloadProvider;
-import org.jackhuang.hmcl.download.CurseCDNDownloadProvider;
 import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.MojangDownloadProvider;
-import org.jackhuang.hmcl.util.Lang;

-import java.util.List;
+import javafx.beans.binding.Bindings;
+import javafx.beans.binding.ObjectBinding;
+import javafx.beans.value.ObservableObjectValue;

 public final class DownloadProviders {
    private DownloadProviders() {}

-    public static final List<DownloadProvider> DOWNLOAD_PROVIDERS = Lang.immutableListOf(new MojangDownloadProvider(), BMCLAPIDownloadProvider.INSTANCE, CurseCDNDownloadProvider.INSTANCE);
+    public static final Map<String, DownloadProvider> providersById = mapOf(
+            pair("mojang", new MojangDownloadProvider()),
+            pair("bmclapi", new BMCLAPIDownloadProvider()));

-    public static DownloadProvider getDownloadProvider(int index) {
-        return Lang.get(DOWNLOAD_PROVIDERS, index).orElse(DOWNLOAD_PROVIDERS.get(0));
+    public static final String DEFAULT_PROVIDER_ID = "bmclapi";
+
+    private static ObjectBinding<DownloadProvider> downloadProviderProperty;
+
+    static void init() {
+        downloadProviderProperty = Bindings.createObjectBinding(
+                () -> Optional.ofNullable(providersById.get(config().getDownloadType()))
+                        .orElse(providersById.get(DEFAULT_PROVIDER_ID)),
+                config().downloadTypeProperty());
+    }
+
+    public static DownloadProvider getDownloadProvider() {
+        return downloadProviderProperty.get();
+    }
+
+    public static ObservableObjectValue<DownloadProvider> downloadProviderProperty() {
+        return downloadProviderProperty;
    }
 }
@@ -18,6 +18,7 @@
 package org.jackhuang.hmcl.setting;

 import com.google.gson.*;
+import javafx.application.Platform;
 import javafx.beans.InvalidationListener;
 import javafx.beans.Observable;
 import javafx.beans.property.*;
@@ -28,8 +29,11 @@ import org.jackhuang.hmcl.game.HMCLCacheRepository;
 import org.jackhuang.hmcl.game.HMCLGameRepository;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.mod.ModManager;
-import org.jackhuang.hmcl.ui.WeakListenerHelper;
+import org.jackhuang.hmcl.ui.WeakListenerHolder;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.javafx.ImmediateObjectProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateStringProperty;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;

 import java.io.File;
 import java.lang.reflect.Type;
@@ -42,7 +46,7 @@ import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
 * @author huangyuhui
 */
 public final class Profile implements Observable {
-    private final WeakListenerHelper helper = new WeakListenerHelper();
+    private final WeakListenerHolder listenerHolder = new WeakListenerHolder();
    private final HMCLGameRepository repository;
    private final ModManager modManager;

@@ -135,7 +139,7 @@ public final class Profile implements Observable {

        gameDir.addListener((a, b, newValue) -> repository.changeDirectory(newValue));
        this.selectedVersion.addListener(o -> checkSelectedVersion());
-        helper.add(EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).registerWeak(event -> checkSelectedVersion()));
+        listenerHolder.add(EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).registerWeak(event -> checkSelectedVersion()));

        addPropertyChangedListener(onInvalidating(this::invalidate));
    }
@@ -147,7 +151,7 @@ public final class Profile implements Observable {
            Optional<String> version = repository.getVersions().stream().findFirst().map(Version::getId);
            if (version.isPresent())
                selectedVersion.setValue(version.get());
-            else if (StringUtils.isNotBlank(newValue))
+            else if (newValue != null)
                selectedVersion.setValue(null);
        }
    }
@@ -161,7 +165,7 @@ public final class Profile implements Observable {
    }

    public DefaultDependencyManager getDependency() {
-        return new DefaultDependencyManager(repository, Settings.instance().getDownloadProvider(), HMCLCacheRepository.REPOSITORY);
+        return new DefaultDependencyManager(repository, DownloadProviders.getDownloadProvider(), HMCLCacheRepository.REPOSITORY);
    }

    public VersionSetting getVersionSetting(String id) {
@@ -174,32 +178,6 @@ public final class Profile implements Observable {
            return vs;
    }

-    public boolean isVersionGlobal(String id) {
-        VersionSetting vs = repository.getVersionSetting(id);
-        return vs == null || vs.isUsesGlobal();
-    }
-
-    /**
-     * Make version use self version settings instead of the global one.
-     * @param id the version id.
-     * @return specialized version setting, null if given version does not exist.
-     */
-    public VersionSetting specializeVersionSetting(String id) {
-        VersionSetting vs = repository.getVersionSetting(id);
-        if (vs == null)
-            vs = repository.createVersionSetting(id);
-        if (vs == null)
-            return null;
-        vs.setUsesGlobal(false);
-        return vs;
-    }
-
-    public void globalizeVersionSetting(String id) {
-        VersionSetting vs = repository.getVersionSetting(id);
-        if (vs != null)
-            vs.setUsesGlobal(true);
-    }
-
    @Override
    public String toString() {
        return new ToStringBuilder(this)
@@ -230,8 +208,8 @@ public final class Profile implements Observable {
        observableHelper.removeListener(listener);
    }

-    protected void invalidate() {
-        observableHelper.invalidate();
+    private void invalidate() {
+        Platform.runLater(observableHelper::invalidate);
    }

    public static final class Serializer implements JsonSerializer<Profile>, JsonDeserializer<Profile> {
@@ -17,13 +17,16 @@
 */
 package org.jackhuang.hmcl.setting;

+import com.jfoenix.concurrency.JFXUtilities;
+import javafx.application.Platform;
+import javafx.beans.InvalidationListener;
 import javafx.beans.Observable;
-import javafx.beans.property.ObjectProperty;
-import javafx.beans.property.ReadOnlyListProperty;
-import javafx.beans.property.ReadOnlyListWrapper;
-import javafx.beans.property.SimpleObjectProperty;
+import javafx.beans.property.*;
+import javafx.beans.value.ObservableValue;
 import javafx.collections.ObservableList;
 import org.jackhuang.hmcl.Launcher;
+import org.jackhuang.hmcl.event.EventBus;
+import org.jackhuang.hmcl.event.RefreshedVersionsEvent;

 import java.io.File;
 import java.util.HashSet;
@@ -40,6 +43,8 @@ public final class Profiles {
    public static final String DEFAULT_PROFILE = "Default";
    public static final String HOME_PROFILE = "Home";

+    private static InvalidationListener listener = o -> loadVersion();
+
    private Profiles() {
    }

@@ -60,11 +65,17 @@ public final class Profiles {
    private static ObjectProperty<Profile> selectedProfile = new SimpleObjectProperty<Profile>() {
        {
            profiles.addListener(onInvalidating(this::invalidated));
+
+            this.addListener(this::change);
        }

        @Override
        protected void invalidated() {
            Profile profile = get();
+
+            if (get() != null)
+                get().removeListener(listener);
+
            if (profiles.isEmpty()) {
                if (profile != null) {
                    set(null);
@@ -79,7 +90,16 @@ public final class Profiles {

            if (!initialized)
                return;
+
            config().setSelectedProfile(profile == null ? "" : profile.getName());
+            loadVersion();
+        }
+
+        private void change(ObservableValue<? extends Profile> observableValue, Profile oldProfile, Profile newProfile) {
+            if (oldProfile != null)
+                oldProfile.selectedVersionProperty().removeListener(listener);
+            if (newProfile != null)
+                newProfile.selectedVersionProperty().addListener(listener);
        }
    };

@@ -87,7 +107,7 @@ public final class Profiles {
        if (profiles.isEmpty()) {
            Profile current = new Profile(Profiles.DEFAULT_PROFILE, new File(".minecraft"), new VersionSetting(), null, true);
            Profile home = new Profile(Profiles.HOME_PROFILE, Launcher.MINECRAFT_DIRECTORY);
-            profiles.addAll(current, home);
+            Platform.runLater(() -> profiles.addAll(current, home));
        }
    }

@@ -126,18 +146,29 @@ public final class Profiles {
        HashSet<String> names = new HashSet<>();
        config().getConfigurations().forEach((name, profile) -> {
            if (!names.add(name)) return;
-            profile.setName(name);
            profiles.add(profile);
+            profile.setName(name);
        });
        checkProfiles();

-        initialized = true;
+        // Platform.runLater is necessary or profiles will be empty
+        // since checkProfiles adds 2 base profile later.
+        Platform.runLater(() -> {
+            selectedProfile.set(
+                    profiles.stream()
+                            .filter(it -> it.getName().equals(config().getSelectedProfile()))
+                            .findFirst()
+                            .orElse(profiles.get(0)));

-        selectedProfile.set(
-                profiles.stream()
-                        .filter(it -> it.getName().equals(config().getSelectedProfile()))
-                        .findFirst()
-                        .orElse(profiles.get(0)));
+            initialized = true;
+        });
+
+        EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).registerWeak(event -> {
+            JFXUtilities.runInFX(() -> {
+                if (selectedProfile.get() != null && selectedProfile.get().getRepository() == event.getSource())
+                    loadVersion();
+            });
+        });
    }

    public static ObservableList<Profile> getProfiles() {
@@ -159,4 +190,21 @@ public final class Profiles {
    public static ObjectProperty<Profile> selectedProfileProperty() {
        return selectedProfile;
    }
+
+    private static final ReadOnlyStringWrapper selectedVersion = new ReadOnlyStringWrapper();
+
+    public static ReadOnlyStringProperty selectedVersionProperty() {
+        return selectedVersion.getReadOnlyProperty();
+    }
+
+    public static String getSelectedVersion() {
+        return selectedVersion.get();
+    }
+
+    private static void loadVersion() {
+        Profile profile = selectedProfile.get();
+        if (profile == null || !profile.getRepository().isLoaded()) return;
+        JFXUtilities.runInFX(() ->
+                selectedVersion.set(profile.getSelectedVersion()));
+    }
 }
@@ -35,20 +35,7 @@ public final class ProxyManager {
    private ProxyManager() {
    }

-    private static ObjectBinding<Proxy> proxyProperty = Bindings.createObjectBinding(
-            () -> {
-                String host = config().getProxyHost();
-                Integer port = Lang.toIntOrNull(config().getProxyPort());
-                if (!config().hasProxy() || StringUtils.isBlank(host) || port == null || config().getProxyType() == Proxy.Type.DIRECT) {
-                    return Proxy.NO_PROXY;
-                } else {
-                    return new Proxy(config().getProxyType(), new InetSocketAddress(host, port));
-                }
-            },
-            config().proxyTypeProperty(),
-            config().proxyHostProperty(),
-            config().proxyPortProperty(),
-            config().hasProxyProperty());
+    private static ObjectBinding<Proxy> proxyProperty;

    public static Proxy getProxy() {
        return proxyProperty.get();
@@ -59,12 +46,25 @@ public final class ProxyManager {
    }

    static void init() {
-        proxyProperty.addListener(observable -> updateSystemProxy());
+        proxyProperty = Bindings.createObjectBinding(
+                () -> {
+                    String host = config().getProxyHost();
+                    Integer port = Lang.toIntOrNull(config().getProxyPort());
+                    if (!config().hasProxy() || StringUtils.isBlank(host) || port == null || config().getProxyType() == Proxy.Type.DIRECT) {
+                        return Proxy.NO_PROXY;
+                    } else {
+                        return new Proxy(config().getProxyType(), new InetSocketAddress(host, port));
+                    }
+                },
+                config().proxyTypeProperty(),
+                config().proxyHostProperty(),
+                config().proxyPortProperty(),
+                config().hasProxyProperty());

+        proxyProperty.addListener(any -> updateSystemProxy());
        updateSystemProxy();

        Authenticator.setDefault(new Authenticator() {
-
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                if (config().hasProxyAuth()) {
@@ -19,7 +19,6 @@ package org.jackhuang.hmcl.setting;

 import javafx.scene.text.Font;
 import org.jackhuang.hmcl.Launcher;
-import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.game.HMCLCacheRepository;
 import org.jackhuang.hmcl.util.CacheRepository;

@@ -44,6 +43,7 @@ public class Settings {
    }

    private Settings() {
+        DownloadProviders.init();
        ProxyManager.init();
        Accounts.init();
        Profiles.init();
@@ -61,14 +61,6 @@ public class Settings {
        config().setFontSize(font.getSize());
    }

-    public int getLogLines() {
-        return Math.max(config().getLogLines(), 100);
-    }
-
-    public void setLogLines(int logLines) {
-        config().setLogLines(logLines);
-    }
-
    public static String getDefaultCommonDirectory() {
        return Launcher.MINECRAFT_DIRECTORY.getAbsolutePath();
    }
@@ -83,19 +75,4 @@ public class Settings {
                return null;
        }
    }
-
-    /****************************************
-     *        DOWNLOAD PROVIDERS            *
-     ****************************************/
-
-    public DownloadProvider getDownloadProvider() {
-        return DownloadProviders.getDownloadProvider(config().getDownloadType());
-    }
-
-    public void setDownloadProvider(DownloadProvider downloadProvider) {
-        int index = DownloadProviders.DOWNLOAD_PROVIDERS.indexOf(downloadProvider);
-        if (index == -1)
-            throw new IllegalArgumentException("Unknown download provider: " + downloadProvider);
-        config().setDownloadType(index);
-    }
 }
@@ -22,9 +22,10 @@ import com.google.gson.stream.JsonWriter;
 import javafx.beans.binding.Bindings;
 import javafx.beans.binding.ObjectBinding;
 import javafx.scene.paint.Color;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.IOUtils;
+
 import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;

 import java.io.File;
 import java.io.IOException;
@@ -22,6 +22,12 @@ import javafx.beans.InvalidationListener;
 import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.game.LaunchOptions;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.javafx.ImmediateBooleanProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateIntegerProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateObjectProperty;
+import org.jackhuang.hmcl.util.javafx.ImmediateStringProperty;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
@@ -39,7 +39,7 @@ import org.jackhuang.hmcl.ui.profile.ProfileList;
 import org.jackhuang.hmcl.ui.versions.GameList;
 import org.jackhuang.hmcl.ui.versions.VersionPage;
 import org.jackhuang.hmcl.util.FutureCallback;
-import org.jackhuang.hmcl.util.JavaVersion;
+import org.jackhuang.hmcl.util.platform.JavaVersion;

 import java.util.function.Consumer;

@@ -17,6 +17,7 @@
 */
 package org.jackhuang.hmcl.ui;

+import com.jfoenix.concurrency.JFXUtilities;
 import com.jfoenix.controls.*;
 import javafx.animation.Animation;
 import javafx.animation.Interpolator;
@@ -30,18 +31,24 @@ import javafx.beans.value.ObservableValue;
 import javafx.beans.value.WeakChangeListener;
 import javafx.event.EventHandler;
 import javafx.fxml.FXMLLoader;
+import javafx.geometry.Pos;
 import javafx.scene.Node;
 import javafx.scene.control.*;
 import javafx.scene.image.ImageView;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.input.ScrollEvent;
 import javafx.scene.layout.Region;
+import javafx.scene.layout.StackPane;
 import javafx.scene.shape.Rectangle;
 import javafx.util.Callback;
 import javafx.util.Duration;
 import javafx.util.StringConverter;
 import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.function.ExceptionalSupplier;
 import org.jackhuang.hmcl.util.i18n.I18n;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.javafx.SelectionModelSelectedItemProperty;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
@@ -50,11 +57,13 @@ import java.lang.reflect.Method;
 import java.net.URI;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.BooleanSupplier;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.logging.Level;

+import static org.jackhuang.hmcl.util.Lang.thread;
 import static org.jackhuang.hmcl.util.Lang.tryCast;

 public final class FXUtils {
@@ -90,6 +99,11 @@ public final class FXUtils {
        consumer.accept(value.getValue());
    }

+    public static void runLaterIf(BooleanSupplier condition, Runnable runnable) {
+        if (condition.getAsBoolean()) Platform.runLater(() -> runLaterIf(condition, runnable));
+        else runnable.run();
+    }
+
    public static void limitSize(ImageView imageView, double maxWidth, double maxHeight) {
        imageView.setPreserveRatio(true);
        onChangeAndOperate(imageView.imageProperty(), image -> {
@@ -193,6 +207,14 @@ public final class FXUtils {
        return region.getMaxHeight();
    }

+    public static Node limitingSize(Node node, double width, double height) {
+        StackPane pane = new StackPane(node);
+        pane.setAlignment(Pos.CENTER);
+        FXUtils.setLimitWidth(pane, width);
+        FXUtils.setLimitHeight(pane, height);
+        return pane;
+    }
+
    public static void smoothScrolling(ScrollPane scrollPane) {
        JFXScrollPane.smoothScrolling(scrollPane);
    }
@@ -209,27 +231,29 @@ public final class FXUtils {
    }

    public static void installTooltip(Node node, double openDelay, double visibleDelay, double closeDelay, Tooltip tooltip) {
-        try {
-            // Java 8
-            Class<?> behaviorClass = Class.forName("javafx.scene.control.Tooltip$TooltipBehavior");
-            Constructor<?> behaviorConstructor = behaviorClass.getDeclaredConstructor(Duration.class, Duration.class, Duration.class, boolean.class);
-            behaviorConstructor.setAccessible(true);
-            Object behavior = behaviorConstructor.newInstance(new Duration(openDelay), new Duration(visibleDelay), new Duration(closeDelay), false);
-            Method installMethod = behaviorClass.getDeclaredMethod("install", Node.class, Tooltip.class);
-            installMethod.setAccessible(true);
-            installMethod.invoke(behavior, node, tooltip);
-        } catch (ReflectiveOperationException e) {
+        JFXUtilities.runInFX(() -> {
            try {
-                // Java 9
-                Tooltip.class.getMethod("setShowDelay", Duration.class).invoke(tooltip, new Duration(openDelay));
-                Tooltip.class.getMethod("setShowDuration", Duration.class).invoke(tooltip, new Duration(visibleDelay));
-                Tooltip.class.getMethod("setHideDelay", Duration.class).invoke(tooltip, new Duration(closeDelay));
-            } catch (ReflectiveOperationException e2) {
-                e.addSuppressed(e2);
-                Logging.LOG.log(Level.SEVERE, "Cannot install tooltip", e);
+                // Java 8
+                Class<?> behaviorClass = Class.forName("javafx.scene.control.Tooltip$TooltipBehavior");
+                Constructor<?> behaviorConstructor = behaviorClass.getDeclaredConstructor(Duration.class, Duration.class, Duration.class, boolean.class);
+                behaviorConstructor.setAccessible(true);
+                Object behavior = behaviorConstructor.newInstance(new Duration(openDelay), new Duration(visibleDelay), new Duration(closeDelay), false);
+                Method installMethod = behaviorClass.getDeclaredMethod("install", Node.class, Tooltip.class);
+                installMethod.setAccessible(true);
+                installMethod.invoke(behavior, node, tooltip);
+            } catch (ReflectiveOperationException e) {
+                try {
+                    // Java 9
+                    Tooltip.class.getMethod("setShowDelay", Duration.class).invoke(tooltip, new Duration(openDelay));
+                    Tooltip.class.getMethod("setShowDuration", Duration.class).invoke(tooltip, new Duration(visibleDelay));
+                    Tooltip.class.getMethod("setHideDelay", Duration.class).invoke(tooltip, new Duration(closeDelay));
+                } catch (ReflectiveOperationException e2) {
+                    e.addSuppressed(e2);
+                    Logging.LOG.log(Level.SEVERE, "Cannot install tooltip", e);
+                }
+                Tooltip.install(node, tooltip);
            }
-            Tooltip.install(node, tooltip);
-        }
+        });
    }

    public static void openFolder(File file) {
@@ -249,11 +273,15 @@ public final class FXUtils {
                }
                break;
            default:
-                try {
-                    java.awt.Desktop.getDesktop().open(file);
-                } catch (Throwable e) {
-                    Logging.LOG.log(Level.SEVERE, "Unable to open " + path + " by java.awt.Desktop.getDesktop()::open", e);
-                }
+                thread(() -> {
+                    if (java.awt.Desktop.isDesktopSupported()) {
+                        try {
+                            java.awt.Desktop.getDesktop().open(file);
+                        } catch (Throwable e) {
+                            Logging.LOG.log(Level.SEVERE, "Unable to open " + path + " by java.awt.Desktop.getDesktop()::open", e);
+                        }
+                    }
+                });
        }
    }

@@ -265,17 +293,21 @@ public final class FXUtils {
    public static void openLink(String link) {
        if (link == null)
            return;
-        try {
-            java.awt.Desktop.getDesktop().browse(new URI(link));
-        } catch (Throwable e) {
-            if (OperatingSystem.CURRENT_OS == OperatingSystem.OSX)
+        thread(() -> {
+            if (java.awt.Desktop.isDesktopSupported()) {
                try {
-                    Runtime.getRuntime().exec(new String[] { "/usr/bin/open", link });
-                } catch (IOException ex) {
-                    Logging.LOG.log(Level.WARNING, "Unable to open link: " + link, ex);
+                    java.awt.Desktop.getDesktop().browse(new URI(link));
+                } catch (Throwable e) {
+                    if (OperatingSystem.CURRENT_OS == OperatingSystem.OSX)
+                        try {
+                            Runtime.getRuntime().exec(new String[]{"/usr/bin/open", link});
+                        } catch (IOException ex) {
+                            Logging.LOG.log(Level.WARNING, "Unable to open link: " + link, ex);
+                        }
+                    Logging.LOG.log(Level.WARNING, "Failed to open link: " + link, e);
                }
-            Logging.LOG.log(Level.WARNING, "Failed to open link: " + link, e);
-        }
+            }
+        });
    }

    public static void bindInt(JFXTextField textField, Property<Number> property) {
@@ -316,8 +348,10 @@ public final class FXUtils {
     * @param comboBox the combo box being bound with {@code property}.
     * @param property the property being bound with {@code combo box}.
     * @see #unbindEnum(JFXComboBox)
+     * @deprecated Use {@link SelectionModelSelectedItemProperty#selectedItemPropertyFor(ComboBox)}
     */
    @SuppressWarnings("unchecked")
+    @Deprecated
    public static void bindEnum(JFXComboBox<?> comboBox, Property<? extends Enum> property) {
        unbindEnum(comboBox);
        ChangeListener<Number> listener = (a, b, newValue) ->
@@ -334,6 +368,7 @@ public final class FXUtils {
     * @see #bindEnum(JFXComboBox, Property)
     */
    @SuppressWarnings("unchecked")
+    @Deprecated
    public static void unbindEnum(JFXComboBox<?> comboBox) {
        ChangeListener listener = tryCast(comboBox.getProperties().get("FXUtils.bindEnum.listener"), ChangeListener.class).orElse(null);
        if (listener == null) return;
@@ -444,4 +479,11 @@ public final class FXUtils {
            return "Interpolator.SINE";
        }
    };
+
+    public static Runnable withJFXPopupClosing(Runnable runnable, JFXPopup popup) {
+        return () -> {
+            runnable.run();
+            popup.hide();
+        };
+    }
 }
@@ -1,241 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2017  huangyuhui <[email protected]>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.ui;
-
-import com.jfoenix.concurrency.JFXUtilities;
-import com.jfoenix.controls.*;
-import javafx.geometry.Insets;
-import javafx.geometry.Pos;
-import javafx.scene.Node;
-import javafx.scene.control.ScrollPane;
-import javafx.scene.image.Image;
-import javafx.scene.input.MouseButton;
-import javafx.scene.layout.Region;
-import javafx.scene.layout.StackPane;
-import javafx.scene.layout.VBox;
-import javafx.stage.FileChooser;
-import org.jackhuang.hmcl.download.LibraryAnalyzer;
-import org.jackhuang.hmcl.event.EventBus;
-import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
-import org.jackhuang.hmcl.event.RefreshingVersionsEvent;
-import org.jackhuang.hmcl.game.GameVersion;
-import org.jackhuang.hmcl.game.HMCLGameRepository;
-import org.jackhuang.hmcl.game.ModpackHelper;
-import org.jackhuang.hmcl.game.Version;
-import org.jackhuang.hmcl.mod.MismatchedModpackTypeException;
-import org.jackhuang.hmcl.mod.UnsupportedModpackException;
-import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.setting.Profiles;
-import org.jackhuang.hmcl.setting.Theme;
-import org.jackhuang.hmcl.task.Schedulers;
-import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.task.TaskExecutor;
-import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
-import org.jackhuang.hmcl.ui.construct.MessageBox;
-import org.jackhuang.hmcl.ui.versions.Versions;
-import org.jackhuang.hmcl.util.Lang;
-import org.jackhuang.hmcl.util.VersionNumber;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import java.util.concurrent.Callable;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.stream.Collectors;
-
-import static org.jackhuang.hmcl.util.StringUtils.removePrefix;
-import static org.jackhuang.hmcl.util.StringUtils.removeSuffix;
-import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
-
-public class GameVersionListPage extends StackPane {
-    private final JFXSpinner spinner;
-    private final StackPane contentPane;
-    private final JFXMasonryPane masonryPane;
-
-    private Profile profile;
-
-    public GameVersionListPage() {
-        spinner = new JFXSpinner();
-        spinner.getStyleClass().setAll("first-spinner");
-
-        contentPane = new StackPane();
-
-        ScrollPane scrollPane = new ScrollPane();
-        scrollPane.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
-        scrollPane.setFitToWidth(true);
-
-        masonryPane = new JFXMasonryPane();
-        masonryPane.setHSpacing(3);
-        masonryPane.setVSpacing(3);
-        masonryPane.setCellWidth(182);
-        masonryPane.setCellHeight(153);
-
-        scrollPane.setContent(masonryPane);
-
-        VBox vBox = new VBox();
-        vBox.setPadding(new Insets(15));
-        vBox.setPickOnBounds(false);
-        vBox.setAlignment(Pos.BOTTOM_RIGHT);
-        vBox.setSpacing(15);
-
-        JFXButton btnRefresh = new JFXButton();
-        btnRefresh.setPrefWidth(40);
-        btnRefresh.setPrefHeight(40);
-        btnRefresh.setButtonType(JFXButton.ButtonType.RAISED);
-        btnRefresh.getStyleClass().setAll("jfx-button-raised-round");
-        btnRefresh.setGraphic(SVG.refresh(Theme.foregroundFillBinding(), -1, -1));
-        btnRefresh.setOnMouseClicked(e -> profile.getRepository().refreshVersionsAsync().start());
-        FXUtils.installTooltip(btnRefresh, i18n("button.refresh"));
-
-        vBox.getChildren().setAll(btnRefresh);
-
-        contentPane.getChildren().setAll(scrollPane, vBox);
-
-        getChildren().setAll(spinner);
-
-        Profiles.selectedProfileProperty().addListener((o, a, b) -> this.profile = b);
-        profile = Profiles.getSelectedProfile();
-
-        EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).register(event -> {
-            if (event.getSource() == profile.getRepository())
-                loadVersions((HMCLGameRepository) event.getSource());
-        });
-        EventBus.EVENT_BUS.channel(RefreshingVersionsEvent.class).register(event -> {
-            if (event.getSource() == profile.getRepository())
-                // This will occupy 0.5s. Too slow!
-                JFXUtilities.runInFX(this::loadingVersions);
-        });
-        if (profile.getRepository().isLoaded())
-            loadVersions(profile.getRepository());
-        else
-            profile.getRepository().refreshVersionsAsync().start();
-    }
-
-    private String modifyVersion(String gameVersion, String version) {
-        return removeSuffix(removePrefix(removeSuffix(removePrefix(version.replace(gameVersion, "").trim(), "-"), "-"), "_"), "_");
-    }
-
-    private Node buildNode(HMCLGameRepository repository, Version version, Callable<String> gameCallable) {
-        Profile profile = repository.getProfile();
-        String id = version.getId();
-        VersionItem item = new VersionItem();
-        item.setUpdate(repository.isModpack(id));
-        Task.ofResult("game", gameCallable).subscribe(Schedulers.javafx(), vars -> {
-            String game = vars.get("game");
-            item.setGameVersion(game);
-
-            StringBuilder libraries = new StringBuilder();
-            LibraryAnalyzer analyzer = LibraryAnalyzer.analyze(version);
-            analyzer.getForge().ifPresent(library -> libraries.append(i18n("install.installer.forge")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)forge", ""))).append("\n"));
-            analyzer.getLiteLoader().ifPresent(library -> libraries.append(i18n("install.installer.liteloader")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)liteloader", ""))).append("\n"));
-            analyzer.getOptiFine().ifPresent(library -> libraries.append(i18n("install.installer.optifine")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)optifine", ""))).append("\n"));
-
-            item.setLibraries(libraries.toString());
-        });
-        item.setVersionName(id);
-        item.setOnLaunchButtonClicked(e -> Versions.launch(profile, id));
-        item.setOnScriptButtonClicked(e -> Versions.generateLaunchScript(profile, id));
-        item.setOnSettingsButtonClicked(e -> {
-            Controllers.getVersionPage().load(id, profile);
-            Controllers.navigate(Controllers.getVersionPage());
-        });
-        item.setOnUpdateButtonClicked(event -> {
-            FileChooser chooser = new FileChooser();
-            chooser.setTitle(i18n("modpack.choose"));
-            chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(i18n("modpack"), "*.zip"));
-            File selectedFile = chooser.showOpenDialog(Controllers.getStage());
-            if (selectedFile != null) {
-                AtomicReference<Region> region = new AtomicReference<>();
-                try {
-                    TaskExecutor executor = ModpackHelper.getUpdateTask(profile, selectedFile, id, ModpackHelper.readModpackConfiguration(repository.getModpackConfiguration(id)))
-                            .then(Task.of(Schedulers.javafx(), () -> region.get().fireEvent(new DialogCloseEvent()))).executor();
-                    region.set(Controllers.taskDialog(executor, i18n("modpack.update"), ""));
-                    executor.start();
-                } catch (UnsupportedModpackException e) {
-                    region.get().fireEvent(new DialogCloseEvent());
-                    Controllers.dialog(i18n("modpack.unsupported"), i18n("message.error"), MessageBox.ERROR_MESSAGE);
-                } catch (MismatchedModpackTypeException e) {
-                    region.get().fireEvent(new DialogCloseEvent());
-                    Controllers.dialog(i18n("modpack.mismatched_type"), i18n("message.error"), MessageBox.ERROR_MESSAGE);
-                } catch (IOException e) {
-                    region.get().fireEvent(new DialogCloseEvent());
-                    Controllers.dialog(i18n("modpack.invalid"), i18n("message.error"), MessageBox.ERROR_MESSAGE);
-                }
-            }
-        });
-        item.setOnMouseClicked(event -> {
-            if (event.getButton() == MouseButton.SECONDARY) {
-                JFXListView<String> versionList = new JFXListView<>();
-                JFXPopup versionPopup = new JFXPopup(versionList);
-                versionList.getStyleClass().add("option-list-view");
-                FXUtils.setLimitWidth(versionList, 150);
-                versionList.getItems().setAll(Lang.immutableListOf(
-                        i18n("version.manage.rename"),
-                        i18n("version.manage.remove"),
-                        i18n("modpack.export"),
-                        i18n("folder.game")
-                ));
-                versionList.setOnMouseClicked(e -> {
-                    versionPopup.hide();
-                    switch (versionList.getSelectionModel().getSelectedIndex()) {
-                        case 0:
-                            Versions.renameVersion(profile, id);
-                            break;
-                        case 1:
-                            Versions.deleteVersion(profile, id);
-                            break;
-                        case 2:
-                            Versions.exportVersion(profile, id);
-                            break;
-                        case 3:
-                            FXUtils.openFolder(repository.getRunDirectory(id));
-                            break;
-                        default:
-                            break;
-                    }
-                });
-                versionPopup.show(item, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.LEFT, event.getX(), event.getY());
-            } else if (event.getButton() == MouseButton.PRIMARY && event.getClickCount() == 2) {
-                Versions.launch(profile, id);
-            }
-        });
-        File iconFile = repository.getVersionIcon(id);
-        if (iconFile.exists())
-            item.setImage(new Image("file:" + iconFile.getAbsolutePath()));
-        return item;
-    }
-
-    private void loadingVersions() {
-        getChildren().setAll(spinner);
-        masonryPane.getChildren().clear();
-    }
-
-    private void loadVersions(HMCLGameRepository repository) {
-        List<Node> children = repository.getVersions().parallelStream()
-                .filter(version -> !version.isHidden())
-                .sorted((a, b) -> VersionNumber.COMPARATOR.compare(VersionNumber.asVersion(a.getId()), VersionNumber.asVersion(b.getId())))
-                .map(version -> buildNode(repository, version, () -> GameVersion.minecraftVersion(repository.getVersionJar(version.getId())).orElse("Unknown")))
-                .collect(Collectors.toList());
-        JFXUtilities.runInFX(() -> {
-            if (profile == repository.getProfile()) {
-                masonryPane.getChildren().setAll(children);
-                getChildren().setAll(contentPane);
-            }
-        });
-    }
-}
@@ -19,9 +19,7 @@ package org.jackhuang.hmcl.ui;

 import com.jfoenix.concurrency.JFXUtilities;
 import javafx.application.Platform;
-import javafx.beans.binding.When;
 import javafx.scene.layout.Region;
-import javafx.scene.paint.Color;
 import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
 import org.jackhuang.hmcl.game.HMCLGameRepository;
@@ -29,6 +27,7 @@ import org.jackhuang.hmcl.game.ModpackHelper;
 import org.jackhuang.hmcl.mod.Modpack;
 import org.jackhuang.hmcl.mod.UnsupportedModpackException;
 import org.jackhuang.hmcl.setting.Accounts;
+import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Profiles;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.task.Schedulers;
@@ -62,16 +61,7 @@ public final class LeftPaneController extends AdvancedListBox {
        profileListItem.profileProperty().bind(Profiles.selectedProfileProperty());

        IconedItem launcherSettingsItem = new IconedItem(SVG.gear(Theme.blackFillBinding(), 20, 20), "iconed-item");
-
-        launcherSettingsItem.getLabel().textProperty().bind(
-                new When(UpdateChecker.outdatedProperty())
-                        .then(i18n("update.found"))
-                        .otherwise(i18n("settings.launcher")));
-
-        launcherSettingsItem.getLabel().textFillProperty().bind(
-                new When(UpdateChecker.outdatedProperty())
-                        .then(Color.RED)
-                        .otherwise(Color.BLACK));
+        launcherSettingsItem.getLabel().setText(i18n("settings.launcher"));

        launcherSettingsItem.setOnMouseClicked(e -> Controllers.navigate(Controllers.getSettingsPage()));

@@ -86,7 +76,9 @@ public final class LeftPaneController extends AdvancedListBox {
                .add(launcherSettingsItem);

        EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).register(event -> onRefreshedVersions((HMCLGameRepository) event.getSource()));
-        if (Profiles.selectedProfileProperty().get().getRepository().isLoaded())
+
+        Profile profile = Profiles.getSelectedProfile();
+        if (profile != null && profile.getRepository().isLoaded())
            onRefreshedVersions(Profiles.selectedProfileProperty().get().getRepository());
    }

@@ -34,10 +34,10 @@ import org.jackhuang.hmcl.event.Event;
 import org.jackhuang.hmcl.event.EventManager;
 import org.jackhuang.hmcl.game.LauncherHelper;
 import org.jackhuang.hmcl.setting.Settings;
-import org.jackhuang.hmcl.util.IOUtils;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.Log4jLevel;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
@@ -181,7 +181,7 @@ public final class LogWindow extends Stage {
                if (newValue == Worker.State.SUCCEEDED) {
                    document = engine.getDocument();
                    body = document.getElementsByTagName("body").item(0);
-                    engine.executeScript("limitedLogs=" + Settings.instance().getLogLines());
+                    engine.executeScript("limitedLogs=" + config().getLogLines());
                    latch.countDown();
                    onDone.fireEvent(new Event(LogWindow.this));
                }
@@ -189,14 +189,14 @@ public final class LogWindow extends Stage {

            boolean flag = false;
            for (String i : cboLines.getItems())
-                if (Integer.toString(Settings.instance().getLogLines()).equals(i)) {
+                if (Integer.toString(config().getLogLines()).equals(i)) {
                    cboLines.getSelectionModel().select(i);
                    flag = true;
                }

            cboLines.getSelectionModel().selectedItemProperty().addListener((a, b, newValue) -> {
-                Settings.instance().setLogLines(newValue == null ? 100 : Integer.parseInt(newValue));
-                engine.executeScript("limitedLogs=" + Settings.instance().getLogLines());
+                config().setLogLines(newValue == null ? 100 : Integer.parseInt(newValue));
+                engine.executeScript("limitedLogs=" + config().getLogLines());
            });

            if (!flag)
@@ -17,33 +17,159 @@
 */
 package org.jackhuang.hmcl.ui;

+import com.jfoenix.concurrency.JFXUtilities;
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXPopup;
+import javafx.animation.Interpolator;
+import javafx.animation.KeyFrame;
+import javafx.animation.KeyValue;
+import javafx.animation.Timeline;
+import javafx.beans.InvalidationListener;
+import javafx.beans.WeakInvalidationListener;
 import javafx.beans.property.ReadOnlyStringProperty;
 import javafx.beans.property.ReadOnlyStringWrapper;
 import javafx.fxml.FXML;
+import javafx.geometry.Pos;
+import javafx.scene.Node;
+import javafx.scene.control.Label;
 import javafx.scene.layout.StackPane;
-import org.jackhuang.hmcl.setting.ConfigHolder;
+import javafx.scene.layout.VBox;
+import javafx.scene.shape.Rectangle;
+import javafx.util.Duration;
+import org.jackhuang.hmcl.event.EventBus;
+import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
+import org.jackhuang.hmcl.game.HMCLGameRepository;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Profiles;
+import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.construct.PopupMenu;
+import org.jackhuang.hmcl.ui.construct.RipplerContainer;
+import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
+import org.jackhuang.hmcl.ui.versions.GameItem;
 import org.jackhuang.hmcl.ui.versions.Versions;
+import org.jackhuang.hmcl.upgrade.RemoteVersion;
+import org.jackhuang.hmcl.upgrade.UpdateChecker;
+import org.jackhuang.hmcl.upgrade.UpdateHandler;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;
+
+import java.util.List;
+import java.util.stream.Collectors;

 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 public final class MainPage extends StackPane implements DecoratorPage {
-
    private final ReadOnlyStringWrapper title = new ReadOnlyStringWrapper(this, "title", i18n("main_page"));

+    private final PopupMenu menu = new PopupMenu();
+    private final JFXPopup popup = new JFXPopup(menu);
+    private InvalidationListener updateListener;
+
    @FXML
    private StackPane main;
+    @FXML
+    private StackPane updatePane;
+    @FXML
+    private JFXButton btnLaunch;
+    @FXML
+    private JFXButton btnMenu;
+    @FXML
+    private JFXButton closeButton;
+    @FXML
+    private Label lblCurrentGame;
+    @FXML
+    private Label lblIcon;
+    @FXML
+    private TwoLineListItem lblLatestVersion;
+    @FXML
+    private Rectangle separator;

+    private Profile profile;
    {
        FXUtils.loadFXML(this, "/assets/fxml/main.fxml");

-        FXUtils.onChangeAndOperate(ConfigHolder.config().enableMainPageGameListProperty(), newValue -> {
-            if (newValue)
-                getChildren().setAll(new GameVersionListPage());
+        btnLaunch.setClip(new Rectangle(-100, -100, 310, 200));
+        btnMenu.setClip(new Rectangle(211, -100, 100, 200));
+        menu.setMaxHeight(400);
+
+        updatePane.visibleProperty().bind(UpdateChecker.outdatedProperty());
+        closeButton.setGraphic(SVG.close(Theme.whiteFillBinding(), 10, 10));
+        closeButton.setOnMouseClicked(event -> {
+            Duration duration = Duration.millis(320);
+            Timeline nowAnimation = new Timeline();
+            nowAnimation.getKeyFrames().addAll(
+                    new KeyFrame(Duration.ZERO,
+                            new KeyValue(updatePane.translateXProperty(), 0, Interpolator.EASE_IN)),
+                    new KeyFrame(duration,
+                            new KeyValue(updatePane.translateXProperty(), 260, Interpolator.EASE_IN)),
+                    new KeyFrame(duration, e -> {
+                updatePane.visibleProperty().unbind();
+                updatePane.setVisible(false);
+            }));
+            nowAnimation.play();
+        });
+        lblIcon.setGraphic(SVG.update(Theme.whiteFillBinding(), 20, 20));
+        updateListener = any -> {
+            if (UpdateChecker.isOutdated()) {
+                lblLatestVersion.setTitle(i18n("update.bubble.title", UpdateChecker.getLatestVersion().getVersion()));
+            }
+        };
+        UpdateChecker.latestVersionProperty().addListener(new WeakInvalidationListener(updateListener));
+        UpdateChecker.outdatedProperty().addListener(new WeakInvalidationListener(updateListener));
+        UpdateChecker.checkingUpdateProperty().addListener(new WeakInvalidationListener(updateListener));
+        updateListener.invalidated(null);
+
+        StackPane graphic = new StackPane();
+        Node svg = SVG.triangle(Theme.whiteFillBinding(), 10, 10);
+        StackPane.setAlignment(svg, Pos.CENTER_RIGHT);
+        graphic.getChildren().setAll(svg);
+        graphic.setTranslateX(12);
+        btnMenu.setGraphic(graphic);
+
+        FXUtils.onChangeAndOperate(Profiles.selectedVersionProperty(), version -> {
+            if (version != null) {
+                lblCurrentGame.setText(version);
+            } else {
+                lblCurrentGame.setText(i18n("version.empty"));
+            }
+        });
+
+        EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).register(event -> {
+            if (event.getSource() == profile.getRepository())
+                loadVersions((HMCLGameRepository) event.getSource());
+        });
+        Profiles.selectedProfileProperty().addListener((a, b, newValue) -> profile = newValue);
+
+        profile = Profiles.getSelectedProfile();
+        if (profile != null) {
+            if (profile.getRepository().isLoaded())
+                loadVersions(profile.getRepository());
            else
-                getChildren().setAll(main);
+                profile.getRepository().refreshVersionsAsync().start();
+        }
+    }
+
+    private void loadVersions(HMCLGameRepository repository) {
+        List<Node> children = repository.getVersions().parallelStream()
+                .filter(version -> !version.isHidden())
+                .sorted((a, b) -> VersionNumber.COMPARATOR.compare(VersionNumber.asVersion(a.getId()), VersionNumber.asVersion(b.getId())))
+                .map(version -> {
+                    StackPane pane = new StackPane();
+                    GameItem item = new GameItem(repository.getProfile(), version.getId());
+                    pane.getChildren().setAll(item);
+                    pane.getStyleClass().setAll("menu-container");
+                    item.setMouseTransparent(true);
+                    RipplerContainer container = new RipplerContainer(pane);
+                    container.setOnMouseClicked(e -> {
+                        repository.getProfile().setSelectedVersion(version.getId());
+                        popup.hide();
+                    });
+                    return container;
+                })
+                .collect(Collectors.toList());
+        JFXUtilities.runInFX(() -> {
+            if (profile == repository.getProfile())
+                menu.getContent().setAll(children);
        });
    }

@@ -53,6 +179,20 @@ public final class MainPage extends StackPane implements DecoratorPage {
        Versions.launch(profile, profile.getSelectedVersion());
    }

+    @FXML
+    private void onMenu() {
+        popup.show(btnMenu, JFXPopup.PopupVPosition.BOTTOM, JFXPopup.PopupHPosition.RIGHT, 0, -btnMenu.getHeight());
+    }
+
+    @FXML
+    private void onUpgrade() {
+        RemoteVersion target = UpdateChecker.getLatestVersion();
+        if (target == null) {
+            return;
+        }
+        UpdateHandler.updateFrom(target);
+    }
+
    public String getTitle() {
        return title.get();
    }
@@ -146,4 +146,16 @@ public final class SVG {
    public static Node export(ObjectBinding<? extends Paint> fill, double width, double height) {
        return createSVGPath("M23,12L19,8V11H10V13H19V16M1,18V6C1,4.89 1.9,4 3,4H15A2,2 0 0,1 17,6V9H15V6H3V18H15V15H17V18A2,2 0 0,1 15,20H3A2,2 0 0,1 1,18Z", fill, width, height);
    }
+
+    public static Node openInNew(ObjectBinding<? extends Paint> fill, double width, double height) {
+        return createSVGPath("M14,3V5H17.59L7.76,14.83L9.17,16.24L19,6.41V10H21V3M19,19H5V5H12V3H5C3.89,3 3,3.9 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V12H19V19Z", fill, width, height);
+    }
+
+    public static Node triangle(ObjectBinding<? extends Paint> fill, double width, double height) {
+        return createSVGPath("M1,21H23L12,2", fill, width, height);
+    }
+
+    public static Node home(ObjectBinding<? extends Paint> fill, double width, double height) {
+        return createSVGPath("M10,20V14H14V20H19V12H22L12,3L2,12H5V20H10Z", fill, width, height);
+    }
 }
@@ -25,12 +25,10 @@ import javafx.beans.WeakInvalidationListener;
 import javafx.beans.binding.Bindings;
 import javafx.beans.binding.When;
 import javafx.beans.property.*;
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
-import javafx.scene.control.Label;
 import javafx.scene.control.ToggleGroup;
 import javafx.scene.paint.Color;
 import javafx.scene.text.Font;
+import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.setting.*;
 import org.jackhuang.hmcl.ui.construct.Validator;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
@@ -49,6 +47,7 @@ import java.util.Optional;

 import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+import static org.jackhuang.hmcl.util.javafx.SelectionModelSelectedItemProperty.selectedItemPropertyFor;

 public final class SettingsPage extends SettingsView implements DecoratorPage {
    private final ReadOnlyStringWrapper title = new ReadOnlyStringWrapper(this, "title", i18n("settings.launcher"));
@@ -60,10 +59,10 @@ public final class SettingsPage extends SettingsView implements DecoratorPage {
    public SettingsPage() {
        FXUtils.smoothScrolling(scroll);

-        chkEnableGameList.selectedProperty().bindBidirectional(config().enableMainPageGameListProperty());
-
-        cboDownloadSource.getSelectionModel().select(DownloadProviders.DOWNLOAD_PROVIDERS.indexOf(Settings.instance().getDownloadProvider()));
-        cboDownloadSource.getSelectionModel().selectedIndexProperty().addListener((a, b, newValue) -> Settings.instance().setDownloadProvider(DownloadProviders.getDownloadProvider(newValue.intValue())));
+        // ==== Download sources ====
+        cboDownloadSource.getItems().setAll(DownloadProviders.providersById.keySet());
+        selectedItemPropertyFor(cboDownloadSource).bindBidirectional(config().downloadTypeProperty());
+        // ====

        cboFont.initValue(Settings.instance().getFont());
        cboFont.valueProperty().addListener((a, b, newValue) -> {
@@ -84,13 +83,10 @@ public final class SettingsPage extends SettingsView implements DecoratorPage {

        lblDisplay.setStyle("-fx-font: " + Settings.instance().getFont().getSize() + " \"" + Settings.instance().getFont().getFamily() + "\";");

-        ObservableList<Label> list = FXCollections.observableArrayList();
-        for (Locales.SupportedLocale locale : Locales.LOCALES)
-            list.add(new Label(locale.getName(config().getLocalization().getResourceBundle())));
-
-        cboLanguage.setItems(list);
-        cboLanguage.getSelectionModel().select(Locales.LOCALES.indexOf(config().getLocalization()));
-        cboLanguage.getSelectionModel().selectedIndexProperty().addListener((a, b, newValue) -> config().setLocalization(Locales.getLocale(newValue.intValue())));
+        // ==== Languages ====
+        cboLanguage.getItems().setAll(Locales.LOCALES);
+        selectedItemPropertyFor(cboLanguage).bindBidirectional(config().localizationProperty());
+        // ====

        // ==== Proxy ====
        txtProxyHost.textProperty().bindBidirectional(config().proxyHostProperty());
@@ -250,4 +246,9 @@ public final class SettingsPage extends SettingsView implements DecoratorPage {
        }
        UpdateHandler.updateFrom(target);
    }
+
+    @Override
+    protected void onHelp() {
+        FXUtils.openLink(Metadata.HELP_URL);
+    }
 }
@@ -26,11 +26,17 @@ import javafx.scene.control.ScrollPane;
 import javafx.scene.layout.*;
 import javafx.scene.text.Text;
 import javafx.scene.text.TextAlignment;
+
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.ui.FXUtils.stringConverter;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
 import org.jackhuang.hmcl.setting.EnumBackgroundImage;
 import org.jackhuang.hmcl.setting.EnumCommonDirectory;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.construct.*;
 import org.jackhuang.hmcl.util.i18n.I18n;
+import org.jackhuang.hmcl.util.i18n.Locales.SupportedLocale;

 public abstract class SettingsView extends StackPane {
    protected final JFXTextField txtProxyHost;
@@ -38,8 +44,8 @@ public abstract class SettingsView extends StackPane {
    protected final JFXTextField txtProxyUsername;
    protected final JFXPasswordField txtProxyPassword;
    protected final JFXTextField txtFontSize;
-    protected final JFXComboBox<Label> cboLanguage;
-    protected final JFXComboBox<Label> cboDownloadSource;
+    protected final JFXComboBox<SupportedLocale> cboLanguage;
+    protected final JFXComboBox<String> cboDownloadSource;
    protected final FontComboBox cboFont;
    protected final MultiFileItem<EnumCommonDirectory> fileCommonLocation;
    protected final Label lblDisplay;
@@ -58,7 +64,6 @@ public abstract class SettingsView extends StackPane {
    protected final JFXCheckBox chkProxyAuthentication;
    protected final GridPane authPane;
    protected final Pane proxyPane;
-    protected final JFXToggleButton chkEnableGameList;

    public SettingsView() {
        scroll = new ScrollPane();
@@ -73,12 +78,12 @@ public abstract class SettingsView extends StackPane {
                ComponentList settingsPane = new ComponentList();
                {
                    ComponentSublist updatePane = new ComponentSublist();
-                    updatePane.setTitle(I18n.i18n("update"));
+                    updatePane.setTitle(i18n("update"));
                    updatePane.setHasSubtitle(true);
                    {
                        VBox headerLeft = new VBox();

-                        lblUpdate = new Label(I18n.i18n("update"));
+                        lblUpdate = new Label(i18n("update"));
                        lblUpdateSub = new Label();
                        lblUpdateSub.getStyleClass().setAll("subtitle-label");

@@ -99,12 +104,12 @@ public abstract class SettingsView extends StackPane {
                        VBox content = new VBox();
                        content.setSpacing(8);

-                        chkUpdateStable = new JFXRadioButton(I18n.i18n("update.channel.stable"));
-                        chkUpdateDev = new JFXRadioButton(I18n.i18n("update.channel.dev"));
+                        chkUpdateStable = new JFXRadioButton(i18n("update.channel.stable"));
+                        chkUpdateDev = new JFXRadioButton(i18n("update.channel.dev"));

                        VBox noteWrapper = new VBox();
                        noteWrapper.setStyle("-fx-padding: 10 0 0 0;");
-                        lblUpdateNote = new Text(I18n.i18n("update.note"));
+                        lblUpdateNote = new Text(i18n("update.note"));
                        noteWrapper.getChildren().setAll(lblUpdateNote);

                        content.getChildren().setAll(chkUpdateStable, chkUpdateDev, noteWrapper);
@@ -114,11 +119,35 @@ public abstract class SettingsView extends StackPane {
                    settingsPane.getContent().add(updatePane);
                }

+                {
+                    BorderPane updatePane = new BorderPane();
+                    {
+                        VBox headerLeft = new VBox();
+
+                        Label help = new Label(i18n("help"));
+                        Label helpSubtitle = new Label(i18n("help.detail"));
+                        helpSubtitle.getStyleClass().setAll("subtitle-label");
+
+                        headerLeft.getChildren().setAll(help, helpSubtitle);
+                        updatePane.setLeft(headerLeft);
+                    }
+
+                    {
+                        JFXButton btnExternal = new JFXButton();
+                        btnExternal.setOnMouseClicked(e -> onHelp());
+                        btnExternal.getStyleClass().setAll("toggle-icon4");
+                        btnExternal.setGraphic(SVG.openInNew(Theme.blackFillBinding(), -1, -1));
+
+                        updatePane.setRight(btnExternal);
+                    }
+                    settingsPane.getContent().add(updatePane);
+                }
+
                {
                    fileCommonLocation = new MultiFileItem<>(true);
-                    fileCommonLocation.setTitle(I18n.i18n("launcher.common_directory"));
+                    fileCommonLocation.setTitle(i18n("launcher.common_directory"));
                    fileCommonLocation.setDirectory(true);
-                    fileCommonLocation.setChooserTitle(I18n.i18n("launcher.common_directory.choose"));
+                    fileCommonLocation.setChooserTitle(i18n("launcher.common_directory.choose"));
                    fileCommonLocation.setHasSubtitle(true);
                    fileCommonLocation.setCustomText("settings.custom");

@@ -127,46 +156,25 @@ public abstract class SettingsView extends StackPane {

                {
                    backgroundItem = new MultiFileItem<>(true);
-                    backgroundItem.setTitle(I18n.i18n("launcher.background"));
-                    backgroundItem.setChooserTitle(I18n.i18n("launcher.background.choose"));
+                    backgroundItem.setTitle(i18n("launcher.background"));
+                    backgroundItem.setChooserTitle(i18n("launcher.background.choose"));
                    backgroundItem.setHasSubtitle(true);
-                    backgroundItem.setCustomText(I18n.i18n("settings.custom"));
+                    backgroundItem.setCustomText(i18n("settings.custom"));

                    settingsPane.getContent().add(backgroundItem);
                }

-                {
-                    BorderPane borderPane = new BorderPane();
-
-                    Label left = new Label(I18n.i18n("settings.launcher.enable_game_list"));
-                    BorderPane.setAlignment(left, Pos.CENTER_LEFT);
-                    borderPane.setLeft(left);
-
-                    chkEnableGameList = new JFXToggleButton();
-                    chkEnableGameList.setSize(8);
-                    FXUtils.setLimitHeight(chkEnableGameList, 20);
-                    borderPane.setRight(chkEnableGameList);
-
-                    // Do not uncomment this line,
-                    // since option for user to enable game list in main page is unnecessary
-                    // settingsPane.addChildren(borderPane);
-                }
-
                {
                    BorderPane downloadSourcePane = new BorderPane();
                    {
-                        Label label = new Label(I18n.i18n("settings.launcher.download_source"));
+                        Label label = new Label(i18n("settings.launcher.download_source"));
                        BorderPane.setAlignment(label, Pos.CENTER_LEFT);
                        downloadSourcePane.setLeft(label);
                    }

                    {
                        cboDownloadSource = new JFXComboBox<>();
-                        FXUtils.setLimitWidth(cboDownloadSource, 400);
-                        cboDownloadSource.getItems().setAll(
-                                new Label(I18n.i18n("download.mojang")),
-                                new Label(I18n.i18n("download.BMCL"))
-                        );
+                        cboDownloadSource.setConverter(stringConverter(key -> i18n("download.provider." + key)));
                        downloadSourcePane.setRight(cboDownloadSource);
                    }
                    settingsPane.getContent().add(downloadSourcePane);
@@ -175,11 +183,12 @@ public abstract class SettingsView extends StackPane {
                {
                    BorderPane languagePane = new BorderPane();

-                    Label left = new Label(I18n.i18n("settings.launcher.language"));
+                    Label left = new Label(i18n("settings.launcher.language"));
                    BorderPane.setAlignment(left, Pos.CENTER_LEFT);
                    languagePane.setLeft(left);

                    cboLanguage = new JFXComboBox<>();
+                    cboLanguage.setConverter(stringConverter(locale -> locale.getName(config().getLocalization().getResourceBundle())));
                    FXUtils.setLimitWidth(cboLanguage, 400);
                    languagePane.setRight(cboLanguage);

@@ -188,13 +197,13 @@ public abstract class SettingsView extends StackPane {

                {
                    ComponentList proxyList = new ComponentList();
-                    proxyList.setTitle(I18n.i18n("settings.launcher.proxy"));
+                    proxyList.setTitle(i18n("settings.launcher.proxy"));

                    VBox proxyWrapper = new VBox();
                    proxyWrapper.setSpacing(10);

                    {
-                        chkDisableProxy = new JFXCheckBox(I18n.i18n("settings.launcher.proxy.disable"));
+                        chkDisableProxy = new JFXCheckBox(i18n("settings.launcher.proxy.disable"));
                        proxyWrapper.getChildren().add(chkDisableProxy);
                    }

@@ -207,8 +216,8 @@ public abstract class SettingsView extends StackPane {

                        {
                            HBox hBox = new HBox();
-                            chkProxyHttp = new JFXRadioButton(I18n.i18n("settings.launcher.proxy.http"));
-                            chkProxySocks = new JFXRadioButton(I18n.i18n("settings.launcher.proxy.socks"));
+                            chkProxyHttp = new JFXRadioButton(i18n("settings.launcher.proxy.http"));
+                            chkProxySocks = new JFXRadioButton(i18n("settings.launcher.proxy.socks"));
                            hBox.getChildren().setAll(chkProxyHttp, chkProxySocks);
                            proxyPane.getChildren().add(hBox);
                        }
@@ -222,7 +231,7 @@ public abstract class SettingsView extends StackPane {
                            gridPane.getRowConstraints().setAll(new RowConstraints(), new RowConstraints());

                            {
-                                Label host = new Label(I18n.i18n("settings.launcher.proxy.host"));
+                                Label host = new Label(i18n("settings.launcher.proxy.host"));
                                GridPane.setRowIndex(host, 1);
                                GridPane.setColumnIndex(host, 0);
                                GridPane.setHalignment(host, HPos.RIGHT);
@@ -238,7 +247,7 @@ public abstract class SettingsView extends StackPane {
                            }

                            {
-                                Label port = new Label(I18n.i18n("settings.launcher.proxy.port"));
+                                Label port = new Label(i18n("settings.launcher.proxy.port"));
                                GridPane.setRowIndex(port, 2);
                                GridPane.setColumnIndex(port, 0);
                                GridPane.setHalignment(port, HPos.RIGHT);
@@ -251,7 +260,7 @@ public abstract class SettingsView extends StackPane {
                                GridPane.setRowIndex(txtProxyPort, 2);
                                GridPane.setColumnIndex(txtProxyPort, 1);
                                FXUtils.setValidateWhileTextChanged(txtProxyPort, true);
-                                txtProxyHost.getValidators().setAll(new NumberValidator(I18n.i18n("input.number"), false));
+                                txtProxyHost.getValidators().setAll(new NumberValidator(i18n("input.number"), false));
                                gridPane.getChildren().add(txtProxyPort);
                            }
                            proxyPane.getChildren().add(gridPane);
@@ -261,7 +270,7 @@ public abstract class SettingsView extends StackPane {
                            VBox vBox = new VBox();
                            vBox.setStyle("-fx-padding: 20 0 20 5;");

-                            chkProxyAuthentication = new JFXCheckBox(I18n.i18n("settings.launcher.proxy.authentication"));
+                            chkProxyAuthentication = new JFXCheckBox(i18n("settings.launcher.proxy.authentication"));
                            vBox.getChildren().setAll(chkProxyAuthentication);

                            proxyPane.getChildren().add(vBox);
@@ -276,7 +285,7 @@ public abstract class SettingsView extends StackPane {
                            authPane.getRowConstraints().setAll(new RowConstraints(), new RowConstraints());

                            {
-                                Label username = new Label(I18n.i18n("settings.launcher.proxy.username"));
+                                Label username = new Label(i18n("settings.launcher.proxy.username"));
                                GridPane.setRowIndex(username, 0);
                                GridPane.setColumnIndex(username, 0);
                                authPane.getChildren().add(username);
@@ -291,7 +300,7 @@ public abstract class SettingsView extends StackPane {
                            }

                            {
-                                Label password = new Label(I18n.i18n("settings.launcher.proxy.password"));
+                                Label password = new Label(i18n("settings.launcher.proxy.password"));
                                GridPane.setRowIndex(password, 1);
                                GridPane.setColumnIndex(password, 0);
                                authPane.getChildren().add(password);
@@ -316,7 +325,7 @@ public abstract class SettingsView extends StackPane {
                {
                    BorderPane themePane = new BorderPane();

-                    Label left = new Label(I18n.i18n("settings.launcher.theme"));
+                    Label left = new Label(i18n("settings.launcher.theme"));
                    BorderPane.setAlignment(left, Pos.CENTER_LEFT);
                    themePane.setLeft(left);

@@ -336,7 +345,7 @@ public abstract class SettingsView extends StackPane {
                        BorderPane borderPane = new BorderPane();
                        fontPane.getChildren().add(borderPane);
                        {
-                            Label left = new Label(I18n.i18n("settings.launcher.log_font"));
+                            Label left = new Label(i18n("settings.launcher.log_font"));
                            BorderPane.setAlignment(left, Pos.CENTER_LEFT);
                            borderPane.setLeft(left);
                        }
@@ -383,65 +392,65 @@ public abstract class SettingsView extends StackPane {
                    gridPane.getRowConstraints().setAll(row, row, row, row, row, row);

                    {
-                        Label label = new Label(I18n.i18n("about.copyright"));
+                        Label label = new Label(i18n("about.copyright"));
                        GridPane.setRowIndex(label, 0);
                        GridPane.setColumnIndex(label, 0);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.copyright.statement"));
+                        Label label = new Label(i18n("about.copyright.statement"));
                        label.setWrapText(true);
                        GridPane.setRowIndex(label, 0);
                        GridPane.setColumnIndex(label, 1);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.author"));
+                        Label label = new Label(i18n("about.author"));
                        GridPane.setRowIndex(label, 1);
                        GridPane.setColumnIndex(label, 0);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.author.statement"));
+                        Label label = new Label(i18n("about.author.statement"));
                        label.setWrapText(true);
                        GridPane.setRowIndex(label, 1);
                        GridPane.setColumnIndex(label, 1);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.thanks_to"));
+                        Label label = new Label(i18n("about.thanks_to"));
                        GridPane.setRowIndex(label, 2);
                        GridPane.setColumnIndex(label, 0);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.thanks_to.statement"));
+                        Label label = new Label(i18n("about.thanks_to.statement"));
                        label.setWrapText(true);
                        GridPane.setRowIndex(label, 2);
                        GridPane.setColumnIndex(label, 1);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.dependency"));
+                        Label label = new Label(i18n("about.dependency"));
                        GridPane.setRowIndex(label, 3);
                        GridPane.setColumnIndex(label, 0);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.dependency.statement"));
+                        Label label = new Label(i18n("about.dependency.statement"));
                        label.setWrapText(true);
                        GridPane.setRowIndex(label, 3);
                        GridPane.setColumnIndex(label, 1);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.claim"));
+                        Label label = new Label(i18n("about.claim"));
                        GridPane.setRowIndex(label, 4);
                        GridPane.setColumnIndex(label, 0);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.claim.statement"));
+                        Label label = new Label(i18n("about.claim.statement"));
                        label.setWrapText(true);
                        label.setTextAlignment(TextAlignment.JUSTIFY);
                        GridPane.setRowIndex(label, 4);
@@ -449,13 +458,13 @@ public abstract class SettingsView extends StackPane {
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.open_source"));
+                        Label label = new Label(i18n("about.open_source"));
                        GridPane.setRowIndex(label, 5);
                        GridPane.setColumnIndex(label, 0);
                        gridPane.getChildren().add(label);
                    }
                    {
-                        Label label = new Label(I18n.i18n("about.open_source.statement"));
+                        Label label = new Label(i18n("about.open_source.statement"));
                        label.setWrapText(true);
                        GridPane.setRowIndex(label, 5);
                        GridPane.setColumnIndex(label, 1);
@@ -471,4 +480,5 @@ public abstract class SettingsView extends StackPane {
    }

    protected abstract void onUpdate();
+    protected abstract void onHelp();
 }
@@ -1,231 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <[email protected]>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.ui;
-
-import com.jfoenix.concurrency.JFXUtilities;
-import com.jfoenix.controls.JFXButton;
-import javafx.beans.binding.Bindings;
-import javafx.event.EventHandler;
-import javafx.fxml.FXML;
-import javafx.geometry.Insets;
-import javafx.geometry.Pos;
-import javafx.scene.control.Label;
-import javafx.scene.effect.BlurType;
-import javafx.scene.effect.DropShadow;
-import javafx.scene.image.Image;
-import javafx.scene.image.ImageView;
-import javafx.scene.input.MouseButton;
-import javafx.scene.input.MouseEvent;
-import javafx.scene.layout.*;
-import javafx.scene.paint.Color;
-import javafx.scene.text.TextAlignment;
-import org.jackhuang.hmcl.setting.Theme;
-
-import java.util.Optional;
-
-import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
-
-public final class VersionItem extends StackPane {
-    @FXML
-    private Pane icon;
-    @FXML
-    private VBox content;
-    @FXML
-    private StackPane header;
-    @FXML
-    private StackPane body;
-    @FXML
-    private JFXButton btnSettings;
-    @FXML
-    private JFXButton btnUpdate;
-    @FXML
-    private JFXButton btnLaunch;
-    @FXML
-    private JFXButton btnScript;
-    @FXML
-    private Label lblVersionName;
-    @FXML
-    private Label lblGameVersion;
-    @FXML
-    private Label lblLibraries;
-    @FXML
-    private ImageView iconView;
-
-    private EventHandler<? super MouseEvent> launchClickedHandler = null;
-
-    private void initializeComponents() {
-        setPickOnBounds(false);
-        FXUtils.setLimitWidth(this, 160);
-        FXUtils.setLimitHeight(this, 149);
-
-        content = new VBox();
-        {
-            header = new StackPane();
-            VBox.setVgrow(header, Priority.ALWAYS);
-            header.setPickOnBounds(false);
-            header.setPadding(new Insets(8));
-            header.setStyle("-fx-background-radius: 2 2 0 0; -fx-background-color: rgb(255,255,255,0.87);");
-            {
-                VBox headerContent = new VBox();
-                headerContent.setPadding(new Insets(8, 8, 0, 8));
-                {
-                    lblVersionName = new Label();
-                    lblVersionName.setStyle("-fx-font-size: 15;");
-                    lblVersionName.setTextAlignment(TextAlignment.JUSTIFY);
-                    lblVersionName.setWrapText(true);
-                    headerContent.getChildren().add(lblVersionName);
-
-                    lblGameVersion = new Label();
-                    lblGameVersion.setStyle("-fx-font-size: 11;");
-                    lblGameVersion.setTextAlignment(TextAlignment.JUSTIFY);
-                    lblGameVersion.setWrapText(true);
-                    headerContent.getChildren().add(lblGameVersion);
-
-                    lblLibraries = new Label();
-                    lblLibraries.setStyle("-fx-font-size: 10; -fx-text-fill: gray;");
-                    lblLibraries.setTextAlignment(TextAlignment.JUSTIFY);
-                    lblLibraries.setWrapText(true);
-                    headerContent.getChildren().add(lblLibraries);
-                }
-                header.getChildren().add(headerContent);
-            }
-            content.getChildren().add(header);
-
-            body = new StackPane();
-            body.setStyle("-fx-background-radius: 0 0 2 2; -fx-background-color: rgb(255,255,255,0.87); -fx-padding: 8;");
-            body.setMinHeight(40);
-            body.setPickOnBounds(false);
-            {
-                BorderPane bodyContent = new BorderPane();
-                {
-                    HBox hbox = new HBox();
-                    hbox.setSpacing(8);
-                    {
-                        btnSettings = new JFXButton();
-                        btnSettings.getStyleClass().add("toggle-icon4");
-                        FXUtils.setLimitWidth(btnSettings, 30);
-                        FXUtils.setLimitHeight(btnSettings, 30);
-                        hbox.getChildren().add(btnSettings);
-
-                        btnUpdate = new JFXButton();
-                        btnUpdate.getStyleClass().add("toggle-icon4");
-                        FXUtils.setLimitWidth(btnUpdate, 30);
-                        FXUtils.setLimitHeight(btnUpdate, 30);
-                        hbox.getChildren().add(btnUpdate);
-                    }
-                    bodyContent.setLeft(hbox);
-                }
-                {
-                    HBox hbox = new HBox();
-                    hbox.setSpacing(8);
-                    {
-                        btnScript = new JFXButton();
-                        btnScript.getStyleClass().add("toggle-icon4");
-                        FXUtils.setLimitWidth(btnScript, 30);
-                        FXUtils.setLimitHeight(btnScript, 30);
-                        hbox.getChildren().add(btnScript);
-
-                        btnLaunch = new JFXButton();
-                        btnLaunch.getStyleClass().add("toggle-icon4");
-                        FXUtils.setLimitWidth(btnLaunch, 30);
-                        FXUtils.setLimitHeight(btnLaunch, 30);
-                        hbox.getChildren().add(btnLaunch);
-                    }
-                    bodyContent.setRight(hbox);
-                }
-                body.getChildren().setAll(bodyContent);
-            }
-            content.getChildren().add(body);
-        }
-        getChildren().add(content);
-
-        icon = new StackPane();
-        StackPane.setAlignment(icon, Pos.TOP_RIGHT);
-        icon.setPickOnBounds(false);
-        {
-            iconView = new ImageView();
-            StackPane.setAlignment(iconView, Pos.CENTER_RIGHT);
-            StackPane.setMargin(iconView, new Insets(0, 12, 0, 0));
-            iconView.setImage(new Image("/assets/img/icon.png"));
-            icon.getChildren().add(iconView);
-        }
-        getChildren().add(icon);
-    }
-
-    public VersionItem() {
-        initializeComponents();
-        setEffect(new DropShadow(BlurType.GAUSSIAN, Color.rgb(0, 0, 0, 0.26), 5.0, 0.12, -1.0, 1.0));
-        btnSettings.setGraphic(SVG.gear(Theme.blackFillBinding(), 15, 15));
-        btnUpdate.setGraphic(SVG.update(Theme.blackFillBinding(), 15, 15));
-        btnLaunch.setGraphic(SVG.launch(Theme.blackFillBinding(), 15, 15));
-        btnScript.setGraphic(SVG.script(Theme.blackFillBinding(), 15, 15));
-
-        JFXUtilities.runInFX(() -> {
-            FXUtils.installTooltip(btnSettings, i18n("version.settings"));
-            FXUtils.installTooltip(btnUpdate, i18n("version.update"));
-            FXUtils.installTooltip(btnLaunch, i18n("version.launch"));
-            FXUtils.installTooltip(btnScript, i18n("version.launch_script"));
-        });
-
-        icon.translateYProperty().bind(Bindings.createDoubleBinding(() -> header.getBoundsInParent().getHeight() - icon.getHeight() / 2 - 16, header.boundsInParentProperty(), icon.heightProperty()));
-        FXUtils.limitSize(iconView, 32, 32);
-
-        setOnMouseClicked(e -> {
-            if (e.getButton() == MouseButton.PRIMARY)
-                if (e.getClickCount() == 2)
-                    Optional.ofNullable(launchClickedHandler).ifPresent(h -> h.handle(e));
-        });
-    }
-
-    public void setUpdate(boolean update) {
-        btnUpdate.setVisible(update);
-    }
-
-    public void setVersionName(String versionName) {
-        lblVersionName.setText(versionName);
-    }
-
-    public void setGameVersion(String gameVersion) {
-        lblGameVersion.setText(gameVersion);
-    }
-
-    public void setLibraries(String libraries) {
-        lblLibraries.setText(libraries);
-    }
-
-    public void setImage(Image image) {
-        iconView.setImage(image);
-    }
-
-    public void setOnSettingsButtonClicked(EventHandler<? super MouseEvent> handler) {
-        btnSettings.setOnMouseClicked(handler);
-    }
-
-    public void setOnScriptButtonClicked(EventHandler<? super MouseEvent> handler) {
-        btnScript.setOnMouseClicked(handler);
-    }
-
-    public void setOnLaunchButtonClicked(EventHandler<? super MouseEvent> handler) {
-        launchClickedHandler = handler;
-        btnLaunch.setOnMouseClicked(handler);
-    }
-
-    public void setOnUpdateButtonClicked(EventHandler<? super MouseEvent> handler) {
-        btnUpdate.setOnMouseClicked(handler);
-    }
-}
@@ -27,10 +27,10 @@ import javafx.collections.WeakListChangeListener;
 import java.util.LinkedList;
 import java.util.List;

-public class WeakListenerHelper {
-    List<Object> refs = new LinkedList<>();
+public class WeakListenerHolder {
+    private List<Object> refs = new LinkedList<>();

-    public WeakListenerHelper() {
+    public WeakListenerHolder() {
    }

    public WeakInvalidationListener weak(InvalidationListener listener) {
@@ -39,18 +39,18 @@ public class AccountAdvancedListItem extends AdvancedListItem {
                titleProperty().set(i18n("account.missing"));
                subtitleProperty().set(i18n("account.missing.add"));
                imageProperty().set(new Image("/assets/img/craft_table.png"));
-                viewportProperty().set(null);
            } else {
                titleProperty().set(account.getCharacter());
                subtitleProperty().set(accountSubtitle(account));

-                imageProperty().set(AccountHelper.getDefaultSkin(account.getUUID(), 4));
-                viewportProperty().set(AccountHelper.getViewport(4));
+                final int scaleRatio = 4;
+                Image defaultSkin = AccountHelper.getDefaultSkin(account.getUUID(), scaleRatio);
+                imageProperty().set(AccountHelper.getHead(defaultSkin, scaleRatio));

                if (account instanceof YggdrasilAccount) {
                    AccountHelper.loadSkinAsync((YggdrasilAccount) account).subscribe(Schedulers.javafx(), () -> {
-                        Image image = AccountHelper.getSkin((YggdrasilAccount) account, 4);
-                        imageProperty().set(image);
+                        Image image = AccountHelper.getSkin((YggdrasilAccount) account, scaleRatio);
+                        imageProperty().set(AccountHelper.getHead(image, scaleRatio));
                    });
                }
            }
@@ -25,7 +25,7 @@ import org.jackhuang.hmcl.auth.Account;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.ListPage;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.MappedObservableList;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;

 import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
@@ -18,7 +18,6 @@
 package org.jackhuang.hmcl.ui.account;

 import javafx.beans.property.*;
-import javafx.geometry.Rectangle2D;
 import javafx.scene.control.Control;
 import javafx.scene.control.Skin;
 import javafx.scene.control.ToggleGroup;
@@ -41,7 +40,6 @@ public class AccountListItem extends Control {
    private final StringProperty subtitle = new SimpleStringProperty();
    private final BooleanProperty selected = new SimpleBooleanProperty();
    private final ObjectProperty<Image> image = new SimpleObjectProperty<>();
-    private final ObjectProperty<Rectangle2D> viewport = new SimpleObjectProperty<>();

    public AccountListItem(ToggleGroup toggleGroup, Account account) {
        this.account = account;
@@ -60,13 +58,11 @@ public class AccountListItem extends Control {
        subtitle.set(subtitleString.toString());
        selected.set(Accounts.selectedAccountProperty().get() == account);

-        viewport.set(AccountHelper.getViewport(4));
-        if (account instanceof YggdrasilAccount) {
-            Image image = AccountHelper.getSkin((YggdrasilAccount) account, 4);
-            this.image.set(image);
-        } else {
-            this.image.set(AccountHelper.getDefaultSkin(account.getUUID(), 4));
-        }
+        final int scaleRatio = 4;
+        Image image = account instanceof YggdrasilAccount ?
+                AccountHelper.getSkin((YggdrasilAccount) account, scaleRatio) :
+                AccountHelper.getDefaultSkin(account.getUUID(), scaleRatio);
+        this.image.set(AccountHelper.getHead(image, scaleRatio));
    }

    @Override
@@ -98,10 +94,6 @@ public class AccountListItem extends Control {
        return image;
    }

-    public ObjectProperty<Rectangle2D> viewportProperty() {
-        return viewport;
-    }
-
    public void refresh() {
        if (account instanceof YggdrasilAccount) {
            // progressBar.setVisible(true);
@@ -110,8 +102,9 @@ public class AccountListItem extends Control {
                        // progressBar.setVisible(false);

                        if (isDependentsSucceeded) {
-                            Image image = AccountHelper.getSkin((YggdrasilAccount) account, 4);
-                            this.image.set(image);
+                            final int scaleRatio = 4;
+                            Image image = AccountHelper.getSkin((YggdrasilAccount) account, scaleRatio);
+                            this.image.set(AccountHelper.getHead(image, scaleRatio));
                        }
                    }).start();
        }
@@ -59,7 +59,6 @@ public class AccountListItemSkin extends SkinBase<AccountListItem> {
        ImageView imageView = new ImageView();
        FXUtils.limitSize(imageView, 32, 32);
        imageView.imageProperty().bind(skinnable.imageProperty());
-        imageView.viewportProperty().bind(skinnable.viewportProperty());
        imageViewContainer.getChildren().setAll(imageView);

        TwoLineListItem item = new TwoLineListItem();
@@ -42,7 +42,6 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.*;
-import org.jackhuang.hmcl.util.Constants;
 import org.jackhuang.hmcl.util.Logging;

 import java.util.List;
@@ -190,6 +189,7 @@ public class AddAccountPane extends StackPane {
    }

    private class Selector extends BorderPane implements CharacterSelector {
+
        private final AdvancedListBox listBox = new AdvancedListBox();
        private final JFXButton cancel = new JFXButton();

@@ -221,20 +221,17 @@ public class AddAccountPane extends StackPane {

            for (GameProfile profile : names) {
                Image image;
+                final int scaleRatio = 4;
                try {
-                    image = AccountHelper.getSkinImmediately(yggdrasilAccount, profile, 4);
+                    image = AccountHelper.getSkinImmediately(yggdrasilAccount, profile, scaleRatio);
                } catch (Exception e) {
                    Logging.LOG.log(Level.WARNING, "Failed to get skin for " + profile.getName(), e);
-                    image = null;
+                    image = AccountHelper.getDefaultSkin(profile.getId(), scaleRatio);
                }
+
                ImageView portraitView = new ImageView();
                portraitView.setSmooth(false);
-                if (image == null) {
-                    portraitView.setImage(Constants.DEFAULT_ICON.get());
-                } else {
-                    portraitView.setImage(image);
-                    portraitView.setViewport(AccountHelper.getViewport(4));
-                }
+                portraitView.setImage(AccountHelper.getHead(image, scaleRatio));
                FXUtils.limitSize(portraitView, 32, 32);

                IconedItem accountItem = new IconedItem(portraitView, profile.getName());
@@ -31,7 +31,7 @@ import org.jackhuang.hmcl.ui.animation.ContainerAnimations;
 import org.jackhuang.hmcl.ui.animation.TransitionHandler;
 import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.SpinnerPane;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;

@@ -28,7 +28,7 @@ import javafx.scene.layout.VBox;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.MappedObservableList;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;

 import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 import static org.jackhuang.hmcl.ui.FXUtils.loadFXML;
@@ -30,7 +30,6 @@ import javafx.scene.image.Image;

 public class AdvancedListItem extends Control {
    private final ObjectProperty<Image> image = new SimpleObjectProperty<>();
-    private final ObjectProperty<Rectangle2D> viewport = new SimpleObjectProperty<>();
    private final StringProperty title = new SimpleStringProperty();
    private final StringProperty subtitle = new SimpleStringProperty();

@@ -38,10 +37,6 @@ public class AdvancedListItem extends Control {
        return image;
    }

-    public ObjectProperty<Rectangle2D> viewportProperty() {
-        return viewport;
-    }
-
    public StringProperty titleProperty() {
        return title;
    }
@@ -54,7 +54,6 @@ public class AdvancedListItemSkin extends SkinBase<AdvancedListItem> {
        FXUtils.limitSize(imageView, 32, 32);
        imageView.setPreserveRatio(true);
        imageView.imageProperty().bind(skinnable.imageProperty());
-        imageView.viewportProperty().bind(skinnable.viewportProperty());
        imageViewContainer.getChildren().setAll(imageView);

        VBox vbox = new VBox();
@@ -90,7 +89,7 @@ public class AdvancedListItemSkin extends SkinBase<AdvancedListItem> {
        JFXButton settings = new JFXButton();
        FXUtils.setLimitWidth(settings, 40);
        settings.getStyleClass().setAll("toggle-icon4");
-        settings.setGraphic(SVG.dotsVertical(Theme.blackFillBinding(), -1, -1));
+        settings.setGraphic(SVG.gear(Theme.blackFillBinding(), -1, -1));
        right.getChildren().setAll(settings);
        root.setRight(right);

@@ -17,6 +17,8 @@
 */
 package org.jackhuang.hmcl.ui.construct;

+import org.jackhuang.hmcl.util.javafx.MappedObservableList;
+
 import javafx.beans.DefaultProperty;
 import javafx.beans.binding.Bindings;
 import javafx.beans.property.IntegerProperty;
@@ -32,7 +34,6 @@ import javafx.scene.control.Skin;
 import javafx.scene.control.SkinBase;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
-import org.jackhuang.hmcl.util.MappedObservableList;

@DefaultProperty("content")
 public class ComponentList extends Control {
@@ -100,13 +101,15 @@ public class ComponentList extends Control {
    }

    protected static class Skin extends SkinBase<ComponentList> {
+        private final ObservableList<Node> list;

        protected Skin(ComponentList control) {
            super(control);

+            list = MappedObservableList.create(control.getContent(), this::mapper);
+
            VBox vbox = new VBox();
-            Bindings.bindContent(vbox.getChildren(),
-                    MappedObservableList.create(control.getContent(), this::mapper));
+            Bindings.bindContent(vbox.getChildren(), list);
            getChildren().setAll(vbox);
        }

@@ -39,12 +39,17 @@ public class IconedItem extends RipplerContainer {

    private static HBox createHBox(Node icon) {
        HBox hBox = new HBox();
+
+        if (icon != null) {
+            icon.setMouseTransparent(true);
+            hBox.getChildren().add(icon);
+        }
+
        hBox.getStyleClass().setAll("iconed-item-container");
-        icon.setMouseTransparent(true);
        Label textLabel = new Label();
        textLabel.setId("label");
        textLabel.setMouseTransparent(true);
-        hBox.getChildren().addAll(icon, textLabel);
+        hBox.getChildren().addAll(textLabel);
        return hBox;
    }

@@ -0,0 +1,19 @@
+package org.jackhuang.hmcl.ui.construct;
+
+import javafx.geometry.Insets;
+import javafx.scene.layout.StackPane;
+import javafx.scene.paint.Color;
+import javafx.scene.shape.Rectangle;
+
+public class MenuSeparator extends StackPane {
+
+    public MenuSeparator() {
+        Rectangle rect = new Rectangle();
+        rect.widthProperty().bind(widthProperty().add(-14));
+        rect.setHeight(1);
+        rect.setFill(Color.GRAY);
+        maxHeightProperty().set(10);
+        setPadding(new Insets(3));
+        getChildren().setAll(rect);
+    }
+}
@@ -17,6 +17,7 @@
 */
 package org.jackhuang.hmcl.ui.construct;

+import javafx.application.Platform;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.ReadOnlyBooleanWrapper;
 import javafx.beans.property.SimpleObjectProperty;
@@ -43,6 +44,9 @@ public class Navigator extends StackPane {
    public Navigator(Node init) {
        stack.push(init);
        getChildren().setAll(init);
+
+        Platform.runLater(() ->
+                fireEvent(new NavigationEvent(this, init, NavigationEvent.NAVIGATED)));
    }

    public void navigate(Node node) {
@@ -66,11 +70,18 @@ public class Navigator extends StackPane {
        close(stack.peek());
    }

+    public void clear() {
+        while (stack.size() > 1)
+            close(stack.peek());
+    }
+
    @SuppressWarnings("unchecked")
    public void close(Node from) {
        FXUtils.checkFxUserThread();

-        stack.remove(from);
+        if (stack.peek() != from)
+            throw new IllegalStateException();
+        stack.pop();
        Node node = stack.peek();
        fireEvent(new NavigationEvent(this, from, NavigationEvent.NAVIGATING));
        setContent(node);
@@ -0,0 +1,66 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2017  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.ui.construct;
+
+import javafx.beans.binding.Bindings;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.scene.Node;
+import javafx.scene.control.Control;
+import javafx.scene.control.ScrollPane;
+import javafx.scene.control.Skin;
+import javafx.scene.control.SkinBase;
+import javafx.scene.layout.VBox;
+import org.jackhuang.hmcl.ui.FXUtils;
+
+public class PopupMenu extends Control {
+
+    private final ObservableList<Node> content = FXCollections.observableArrayList();
+
+    public PopupMenu() {
+    }
+
+    public ObservableList<Node> getContent() {
+        return content;
+    }
+
+    @Override
+    protected Skin<?> createDefaultSkin() {
+        return new PopupMenuSkin();
+    }
+
+    private class PopupMenuSkin extends SkinBase<PopupMenu> {
+
+        protected PopupMenuSkin() {
+            super(PopupMenu.this);
+
+            ScrollPane scrollPane = new ScrollPane();
+            scrollPane.setFitToHeight(true);
+            scrollPane.setFitToWidth(true);
+
+            VBox content = new VBox();
+            content.getStyleClass().add("menu");
+            Bindings.bindContent(content.getChildren(), PopupMenu.this.getContent());
+            scrollPane.setContent(content);
+
+            FXUtils.smoothScrolling(scrollPane);
+
+            getChildren().setAll(scrollPane);
+        }
+    }
+}
@@ -33,6 +33,7 @@ import java.util.Collections;
 import java.util.List;

 public class TwoLineListItem extends StackPane {
+    private static final String DEFAULT_STYLE_CLASS = "two-line-list-item";

    private final StringProperty title = new SimpleStringProperty(this, "title");
    private final StringProperty subtitle = new SimpleStringProperty(this, "subtitle");
@@ -64,6 +65,8 @@ public class TwoLineListItem extends StackPane {
        VBox vbox = new VBox();
        vbox.getChildren().setAll(lblTitle, lblSubtitle);
        getChildren().setAll(vbox);
+
+        getStyleClass().add(DEFAULT_STYLE_CLASS);
    }

    public String getTitle() {
@@ -45,6 +45,7 @@ public class DecoratorControl extends Control {
    private final BooleanProperty canRefresh = new SimpleBooleanProperty(false);
    private final BooleanProperty canBack = new SimpleBooleanProperty(false);
    private final BooleanProperty canClose = new SimpleBooleanProperty(false);
+    private final BooleanProperty showCloseAsHome = new SimpleBooleanProperty(false);
    private final Stage primaryStage;
    private StackPane drawerWrapper;

@@ -174,6 +175,10 @@ public class DecoratorControl extends Control {
        return canClose;
    }

+    public BooleanProperty showCloseAsHomeProperty() {
+        return showCloseAsHome;
+    }
+
    public ObjectProperty<EventHandler<ActionEvent>> onBackNavButtonActionProperty() {
        return onBackNavButtonAction;
    }
@@ -22,6 +22,7 @@ import javafx.animation.Interpolator;
 import javafx.animation.KeyFrame;
 import javafx.animation.KeyValue;
 import javafx.animation.Timeline;
+import javafx.application.Platform;
 import javafx.beans.binding.Bindings;
 import javafx.event.EventHandler;
 import javafx.geometry.Insets;
@@ -93,6 +94,7 @@ public class DecoratorController {
        welcomeView = new ImageView();
        welcomeView.setImage(new Image("/assets/img/welcome.png"));
        welcomeView.setCursor(Cursor.HAND);
+        FXUtils.limitSize(welcomeView, 796, 517);
        welcomeView.setOnMouseClicked(e -> {
            Timeline nowAnimation = new Timeline();
            nowAnimation.getKeyFrames().addAll(
@@ -202,10 +204,12 @@ public class DecoratorController {
        if (navigator.getCurrentPage() instanceof DecoratorPage) {
            DecoratorPage page = (DecoratorPage) navigator.getCurrentPage();

-            page.onForceToClose();
-        } else {
-            navigator.close();
+            if (page.canForceToClose()) {
+                page.onForceToClose();
+                return;
+            }
        }
+        navigator.clear();
    }

    private void back() {
@@ -247,14 +251,15 @@ public class DecoratorController {

        if (to instanceof DecoratorPage) {
            decorator.drawerTitleProperty().bind(((DecoratorPage) to).titleProperty());
-            decorator.canCloseProperty().set(((DecoratorPage) to).canForceToClose());
+            decorator.showCloseAsHomeProperty().set(!((DecoratorPage) to).canForceToClose());
        } else {
            decorator.drawerTitleProperty().unbind();
            decorator.drawerTitleProperty().set("");
-            decorator.canCloseProperty().set(false);
+            decorator.showCloseAsHomeProperty().set(true);
        }

        decorator.canBackProperty().set(navigator.canGoBack());
+        decorator.canCloseProperty().set(navigator.canGoBack());

        if (navigator.canGoBack()) {
            decorator.setContentBackground(new Background(new BackgroundFill(Color.rgb(244, 244, 244, 0.5), CornerRadii.EMPTY, Insets.EMPTY)));
@@ -277,12 +282,17 @@ public class DecoratorController {
        FXUtils.checkFxUserThread();

        if (dialog == null) {
+            if (decorator.getDrawerWrapper() == null) {
+                // Sometimes showDialog will be invoked before decorator was initialized.
+                // Keep trying again.
+                Platform.runLater(() -> showDialog(node));
+                return;
+            }
+
            dialog = new JFXDialog();
            dialogPane = new StackContainerPane();

            dialog.setContent(dialogPane);
-            if (decorator.getDrawerWrapper() == null)
-                throw new IllegalStateException("Decorator has not been initialized");
            dialog.setDialogContainer(decorator.getDrawerWrapper());
            dialog.setOverlayClose(false);
            dialog.show();
@@ -201,6 +201,13 @@ public class DecoratorSkin extends SkinBase<DecoratorControl> {
                        if (newValue) navLeft.getChildren().setAll(backNavButton, closeNavButton);
                        else navLeft.getChildren().setAll(backNavButton);
                    });
+
+                    skinnable.showCloseAsHomeProperty().addListener((a, b, newValue) -> {
+                        if (newValue)
+                            closeNavButton.setGraphic(SVG.home(Theme.foregroundFillBinding(), -1, -1));
+                        else
+                            closeNavButton.setGraphic(SVG.close(Theme.foregroundFillBinding(), -1, -1));
+                    });
                }
                navBar.setLeft(navLeft);

@@ -233,6 +240,7 @@ public class DecoratorSkin extends SkinBase<DecoratorControl> {
                Rectangle separator = new Rectangle();
                separator.visibleProperty().bind(refreshNavButton.visibleProperty());
                separator.heightProperty().bind(navBar.heightProperty());
+                separator.setFill(Color.GRAY);

                JFXButton btnMin = new JFXButton();
                StackPane pane = new StackPane(minus);
@@ -28,7 +28,7 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
 import org.jackhuang.hmcl.ui.wizard.WizardProvider;
-import org.jackhuang.hmcl.util.Zipper;
+import org.jackhuang.hmcl.util.io.Zipper;

 import java.io.File;
 import java.nio.file.Files;
@@ -31,8 +31,8 @@ import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.NoneMultipleSelectionModel;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
 import org.jackhuang.hmcl.ui.wizard.WizardPage;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.util.LinkedList;
@@ -25,7 +25,7 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.ListPage;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.MappedObservableList;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;

 import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
@@ -0,0 +1,43 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXCheckBox;
+import com.jfoenix.effects.JFXDepthManager;
+import javafx.geometry.Pos;
+import javafx.scene.layout.BorderPane;
+import org.jackhuang.hmcl.mod.Datapack;
+import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.SVG;
+import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
+
+import java.util.function.Consumer;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class DatapackListItem extends BorderPane {
+
+    public DatapackListItem(Datapack.Pack info, Consumer<DatapackListItem> deleteCallback) {
+        JFXCheckBox chkEnabled = new JFXCheckBox();
+        BorderPane.setAlignment(chkEnabled, Pos.CENTER);
+        setLeft(chkEnabled);
+
+        TwoLineListItem modItem = new TwoLineListItem();
+        BorderPane.setAlignment(modItem, Pos.CENTER);
+        setCenter(modItem);
+
+        JFXButton btnRemove = new JFXButton();
+        FXUtils.installTooltip(btnRemove, i18n("datapack.remove"));
+        btnRemove.setOnMouseClicked(e -> deleteCallback.accept(this));
+        btnRemove.getStyleClass().add("toggle-icon4");
+        BorderPane.setAlignment(btnRemove, Pos.CENTER);
+        btnRemove.setGraphic(SVG.close(Theme.blackFillBinding(), 15, 15));
+        setRight(btnRemove);
+
+        setStyle("-fx-background-radius: 2; -fx-background-color: white; -fx-padding: 8;");
+        JFXDepthManager.setDepth(this, 1);
+        modItem.setTitle(info.getId());
+        modItem.setSubtitle(info.getDescription());
+        chkEnabled.selectedProperty().bindBidirectional(info.activeProperty());
+    }
+}
@@ -0,0 +1,103 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+import javafx.collections.ObservableList;
+import javafx.scene.input.TransferMode;
+import javafx.stage.FileChooser;
+import org.jackhuang.hmcl.mod.Datapack;
+import org.jackhuang.hmcl.ui.Controllers;
+import org.jackhuang.hmcl.ui.ListPage;
+import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
+import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.javafx.MappedObservableList;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.*;
+import java.util.logging.Level;
+import java.util.stream.Collectors;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class DatapackListPage extends ListPage<DatapackListItem> implements DecoratorPage {
+    private final StringProperty title = new SimpleStringProperty();
+    private final ObservableList<DatapackListItem> list; // Hold weak references
+    private final Path worldDir;
+    private final Datapack datapack;
+
+    public DatapackListPage(String worldName, Path worldDir) {
+        this.worldDir = worldDir;
+
+        title.set(i18n("datapack.title", worldName));
+
+        datapack = new Datapack(worldDir.resolve("datapacks"));
+        datapack.loadFromDir();
+
+        list = MappedObservableList.create(datapack.getInfo(), pack -> new DatapackListItem(pack, item -> {
+            try {
+                datapack.deletePack(pack);
+            } catch (IOException e) {
+                Logging.LOG.warning("Failed to delete datapack");
+            }
+        }));
+        itemsProperty().bindContent(list);
+
+        setOnDragOver(event -> {
+            if (event.getGestureSource() != this && event.getDragboard().hasFiles())
+                event.acceptTransferModes(TransferMode.COPY_OR_MOVE);
+            event.consume();
+        });
+
+        setOnDragDropped(event -> {
+            List<File> files = event.getDragboard().getFiles();
+            if (files != null) {
+                Collection<File> mods = files.stream()
+                        .filter(it -> Objects.equals("zip", FileUtils.getExtension(it)))
+                        .collect(Collectors.toList());
+                if (!mods.isEmpty()) {
+                    mods.forEach(it -> {
+                        try {
+                            Datapack zip = new Datapack(it.toPath());
+                            zip.loadFromZip();
+                            zip.installTo(worldDir);
+                        } catch (IOException | IllegalArgumentException e) {
+                            Logging.LOG.log(Level.WARNING, "Unable to parse datapack file " + it, e);
+                        }
+                    });
+                    event.setDropCompleted(true);
+                }
+            }
+            datapack.loadFromDir();
+            event.consume();
+        });
+    }
+
+    @Override
+    public StringProperty titleProperty() {
+        return title;
+    }
+
+    @Override
+    public void add() {
+        FileChooser chooser = new FileChooser();
+        chooser.setTitle(i18n("datapack.choose_datapack"));
+        chooser.getExtensionFilters().setAll(new FileChooser.ExtensionFilter(i18n("datapack.extension"), "*.zip"));
+        List<File> res = chooser.showOpenMultipleDialog(Controllers.getStage());
+
+        if (res != null)
+            res.forEach(it -> {
+                try {
+                    Datapack zip = new Datapack(it.toPath());
+                    zip.loadFromZip();
+                    zip.installTo(worldDir);
+                } catch (IOException | IllegalArgumentException e) {
+                    Logging.LOG.log(Level.WARNING, "Unable to parse datapack file " + it, e);
+                }
+            });
+
+        datapack.loadFromDir();
+    }
+}
@@ -24,60 +24,30 @@ import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Profiles;
-import org.jackhuang.hmcl.ui.WeakListenerHelper;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.WeakListenerHolder;
 import org.jackhuang.hmcl.ui.construct.AdvancedListItem;

 import java.io.File;
+import java.util.Objects;

 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 public class GameAdvancedListItem extends AdvancedListItem {
-    private final WeakListenerHelper helper = new WeakListenerHelper();
-
-    private Profile profile;
-    private InvalidationListener listener = o -> loadVersion();

    public GameAdvancedListItem() {
-        Profiles.selectedProfileProperty().addListener(helper.weak((a, b, newValue) -> {
-            JFXUtilities.runInFX(() -> loadProfile(newValue));
-        }));
-        helper.add(EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).registerWeak(event -> {
-            JFXUtilities.runInFX(() -> {
-                if (profile != null && profile.getRepository() == event.getSource())
-                    loadVersion();
+        FXUtils.onChangeAndOperate(Profiles.selectedVersionProperty(), version -> {
+            FXUtils.runLaterIf(() -> !Objects.nonNull(Profiles.getSelectedProfile()), () -> {
+                imageProperty().set(Profiles.getSelectedProfile().getRepository().getVersionIconImage(version));
+
+                if (version != null) {
+                    titleProperty().set(version);
+                    subtitleProperty().set(null);
+                } else {
+                    titleProperty().set(i18n("version.empty"));
+                    subtitleProperty().set(i18n("version.empty.add"));
+                }
            });
-        }));
-        loadProfile(Profiles.getSelectedProfile());
-    }
-
-    private void loadProfile(Profile newProfile) {
-        if (profile != null)
-            profile.selectedVersionProperty().removeListener(listener);
-        profile = newProfile;
-        if (profile != null)
-            profile.selectedVersionProperty().addListener(listener);
-        loadVersion();
-    }
-
-    private void loadVersion() {
-        Profile profile = this.profile;
-        if (profile == null || !profile.getRepository().isLoaded()) return;
-        String version = profile.getSelectedVersion();
-        File iconFile = profile.getRepository().getVersionIcon(version);
-
-        JFXUtilities.runInFX(() -> {
-            if (iconFile.exists())
-                imageProperty().set(new Image("file:" + iconFile.getAbsolutePath()));
-            else
-                imageProperty().set(new Image("/assets/img/grass.png"));
-
-            if (version != null) {
-                titleProperty().set(version);
-                subtitleProperty().set(null);
-            } else {
-                titleProperty().set(i18n("version.empty"));
-                subtitleProperty().set(i18n("version.empty.add"));
-            }
        });
    }
 }
@@ -0,0 +1,84 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2017  huangyuhui <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.ui.versions;
+
+import javafx.beans.property.*;
+import javafx.scene.control.Control;
+import javafx.scene.control.Skin;
+import javafx.scene.image.Image;
+import org.jackhuang.hmcl.download.LibraryAnalyzer;
+import org.jackhuang.hmcl.game.GameVersion;
+import org.jackhuang.hmcl.setting.Profile;
+
+import static org.jackhuang.hmcl.util.StringUtils.removePrefix;
+import static org.jackhuang.hmcl.util.StringUtils.removeSuffix;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class GameItem extends Control {
+    private final Profile profile;
+    private final String version;
+    private final StringProperty title = new SimpleStringProperty();
+    private final StringProperty subtitle = new SimpleStringProperty();
+    private final ObjectProperty<Image> image = new SimpleObjectProperty<>();
+
+    public GameItem(Profile profile, String id) {
+        this.profile = profile;
+        this.version = id;
+
+        String game = GameVersion.minecraftVersion(profile.getRepository().getVersionJar(id)).orElse("Unknown");
+
+        StringBuilder libraries = new StringBuilder(game);
+        LibraryAnalyzer analyzer = LibraryAnalyzer.analyze(profile.getRepository().getVersion(id));
+        analyzer.getForge().ifPresent(library -> libraries.append(", ").append(i18n("install.installer.forge")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)forge", ""))));
+        analyzer.getLiteLoader().ifPresent(library -> libraries.append(", ").append(i18n("install.installer.liteloader")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)liteloader", ""))));
+        analyzer.getOptiFine().ifPresent(library -> libraries.append(", ").append(i18n("install.installer.optifine")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)optifine", ""))));
+
+        title.set(id);
+        subtitle.set(libraries.toString());
+        image.set(profile.getRepository().getVersionIconImage(version));
+    }
+
+    @Override
+    protected Skin<?> createDefaultSkin() {
+        return new GameItemSkin(this);
+    }
+
+    public Profile getProfile() {
+        return profile;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public StringProperty titleProperty() {
+        return title;
+    }
+
+    public StringProperty subtitleProperty() {
+        return subtitle;
+    }
+
+    public ObjectProperty<Image> imageProperty() {
+        return image;
+    }
+
+    private static String modifyVersion(String gameVersion, String version) {
+        return removeSuffix(removePrefix(removeSuffix(removePrefix(version.replace(gameVersion, "").trim(), "-"), "-"), "_"), "_");
+    }
+}
@@ -0,0 +1,36 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import javafx.geometry.Pos;
+import javafx.scene.control.SkinBase;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.StackPane;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
+
+public class GameItemSkin extends SkinBase<GameItem> {
+    public GameItemSkin(GameItem skinnable) {
+        super(skinnable);
+
+        HBox center = new HBox();
+        center.setSpacing(8);
+        center.setAlignment(Pos.CENTER_LEFT);
+
+        StackPane imageViewContainer = new StackPane();
+        FXUtils.setLimitWidth(imageViewContainer, 32);
+        FXUtils.setLimitHeight(imageViewContainer, 32);
+
+        ImageView imageView = new ImageView();
+        FXUtils.limitSize(imageView, 32, 32);
+        imageView.imageProperty().bind(skinnable.imageProperty());
+        imageViewContainer.getChildren().setAll(imageView);
+
+        TwoLineListItem item = new TwoLineListItem();
+        item.titleProperty().bind(skinnable.titleProperty());
+        item.subtitleProperty().bind(skinnable.subtitleProperty());
+        BorderPane.setAlignment(item, Pos.CENTER);
+        center.getChildren().setAll(imageView, item);
+        getChildren().setAll(center);
+    }
+}
@@ -31,11 +31,11 @@ import org.jackhuang.hmcl.game.HMCLGameRepository;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Profiles;
 import org.jackhuang.hmcl.ui.Controllers;
-import org.jackhuang.hmcl.ui.WeakListenerHelper;
+import org.jackhuang.hmcl.ui.WeakListenerHolder;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
 import org.jackhuang.hmcl.ui.download.DownloadWizardProvider;
-import org.jackhuang.hmcl.util.VersionNumber;
 import org.jackhuang.hmcl.util.i18n.I18n;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

 import java.util.List;
 import java.util.stream.Collectors;
@@ -70,8 +70,8 @@ public class GameList extends Control implements DecoratorPage {

    private void loadVersions(HMCLGameRepository repository) {
        toggleGroup = new ToggleGroup();
-        WeakListenerHelper helper = new WeakListenerHelper();
-        toggleGroup.getProperties().put("ReferenceHolder", helper);
+        WeakListenerHolder listenerHolder = new WeakListenerHolder();
+        toggleGroup.getProperties().put("ReferenceHolder", listenerHolder);
        List<GameListItem> children = repository.getVersions().parallelStream()
                .filter(version -> !version.isHidden())
                .sorted((a, b) -> VersionNumber.COMPARATOR.compare(VersionNumber.asVersion(a.getId()), VersionNumber.asVersion(b.getId())))
@@ -83,7 +83,7 @@ public class GameList extends Control implements DecoratorPage {
                items.setAll(children);
                children.forEach(GameListItem::checkSelection);

-                profile.selectedVersionProperty().addListener(helper.weak((a, b, newValue) -> {
+                profile.selectedVersionProperty().addListener(listenerHolder.weak((a, b, newValue) -> {
                    Platform.runLater(() -> {
                        children.forEach(it -> it.selectedProperty().set(false));
                        children.stream()
@@ -21,27 +21,16 @@ import javafx.beans.property.*;
 import javafx.scene.control.Control;
 import javafx.scene.control.Skin;
 import javafx.scene.control.ToggleGroup;
-import javafx.scene.image.Image;
-import org.jackhuang.hmcl.download.LibraryAnalyzer;
-import org.jackhuang.hmcl.game.GameVersion;
+
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.Controllers;

-import java.io.File;
-
-import static org.jackhuang.hmcl.util.StringUtils.removePrefix;
-import static org.jackhuang.hmcl.util.StringUtils.removeSuffix;
-import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
-
 public class GameListItem extends Control {
    private final Profile profile;
    private final String version;
    private final boolean isModpack;
    private final ToggleGroup toggleGroup;
-    private final StringProperty title = new SimpleStringProperty();
-    private final StringProperty subtitle = new SimpleStringProperty();
    private final BooleanProperty selected = new SimpleBooleanProperty();
-    private final ObjectProperty<Image> image = new SimpleObjectProperty<>();

    public GameListItem(ToggleGroup toggleGroup, Profile profile, String id) {
        this.profile = profile;
@@ -49,23 +38,7 @@ public class GameListItem extends Control {
        this.toggleGroup = toggleGroup;
        this.isModpack = profile.getRepository().isModpack(id);

-        String game = GameVersion.minecraftVersion(profile.getRepository().getVersionJar(id)).orElse("Unknown");
-
-        StringBuilder libraries = new StringBuilder(game);
-        LibraryAnalyzer analyzer = LibraryAnalyzer.analyze(profile.getRepository().getVersion(id));
-        analyzer.getForge().ifPresent(library -> libraries.append(", ").append(i18n("install.installer.forge")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)forge", ""))));
-        analyzer.getLiteLoader().ifPresent(library -> libraries.append(", ").append(i18n("install.installer.liteloader")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)liteloader", ""))));
-        analyzer.getOptiFine().ifPresent(library -> libraries.append(", ").append(i18n("install.installer.optifine")).append(": ").append(modifyVersion(game, library.getVersion().replaceAll("(?i)optifine", ""))));
-
-        title.set(id);
-        subtitle.set(libraries.toString());
-        selected.set(profile.getSelectedVersion().equals(id));
-
-        File iconFile = profile.getRepository().getVersionIcon(version);
-        if (iconFile.exists())
-            image.set(new Image("file:" + iconFile.getAbsolutePath()));
-        else
-            image.set(new Image("/assets/img/grass.png"));
+        selected.set(id.equals(profile.getSelectedVersion()));
    }

    @Override
@@ -85,22 +58,10 @@ public class GameListItem extends Control {
        return version;
    }

-    public StringProperty titleProperty() {
-        return title;
-    }
-
-    public StringProperty subtitleProperty() {
-        return subtitle;
-    }
-
    public BooleanProperty selectedProperty() {
        return selected;
    }

-    public ObjectProperty<Image> imageProperty() {
-        return image;
-    }
-
    public void checkSelection() {
        selected.set(version.equals(profile.getSelectedVersion()));
    }
@@ -141,8 +102,4 @@ public class GameListItem extends Control {
    public void update() {
        Versions.updateVersion(profile, version);
    }
-
-    private static String modifyVersion(String gameVersion, String version) {
-        return removeSuffix(removePrefix(removeSuffix(removePrefix(version.replace(gameVersion, "").trim(), "-"), "-"), "_"), "_");
-    }
 }
@@ -19,27 +19,19 @@ package org.jackhuang.hmcl.ui.versions;

 import com.jfoenix.concurrency.JFXUtilities;
 import com.jfoenix.controls.JFXButton;
-import com.jfoenix.controls.JFXListView;
 import com.jfoenix.controls.JFXPopup;
 import com.jfoenix.controls.JFXRadioButton;
 import com.jfoenix.effects.JFXDepthManager;
 import javafx.geometry.Pos;
-import javafx.scene.Node;
 import javafx.scene.control.SkinBase;
-import javafx.scene.image.ImageView;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
-import javafx.scene.layout.StackPane;
-import javafx.scene.layout.VBox;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.SVG;
-import org.jackhuang.hmcl.ui.construct.IconedItem;
 import org.jackhuang.hmcl.ui.construct.IconedMenuItem;
-import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
-
-import java.util.function.Consumer;
-import java.util.function.Function;
+import org.jackhuang.hmcl.ui.construct.MenuSeparator;
+import org.jackhuang.hmcl.ui.construct.PopupMenu;

 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

@@ -57,48 +49,22 @@ public class GameListItemSkin extends SkinBase<GameListItem> {
        chkSelected.setToggleGroup(skinnable.getToggleGroup());
        root.setLeft(chkSelected);

-        HBox center = new HBox();
-        center.setSpacing(8);
-        center.setAlignment(Pos.CENTER_LEFT);
+        root.setCenter(new GameItem(skinnable.getProfile(), skinnable.getVersion()));

-        StackPane imageViewContainer = new StackPane();
-        FXUtils.setLimitWidth(imageViewContainer, 32);
-        FXUtils.setLimitHeight(imageViewContainer, 32);
-
-        ImageView imageView = new ImageView();
-        FXUtils.limitSize(imageView, 32, 32);
-        imageView.imageProperty().bind(skinnable.imageProperty());
-        imageViewContainer.getChildren().setAll(imageView);
-
-        TwoLineListItem item = new TwoLineListItem();
-        BorderPane.setAlignment(item, Pos.CENTER);
-        center.getChildren().setAll(imageView, item);
-        root.setCenter(center);
-
-        VBox menu = new VBox();
+        PopupMenu menu = new PopupMenu();
        JFXPopup popup = new JFXPopup(menu);

-        Function<Runnable, Runnable> wrap = r -> () -> {
-            r.run();
-            popup.hide();
-        };
-
-        Function<Node, Node> limitWidth = node -> {
-            StackPane pane = new StackPane(node);
-            pane.setAlignment(Pos.CENTER);
-            FXUtils.setLimitWidth(pane, 14);
-            FXUtils.setLimitHeight(pane, 14);
-            return pane;
-        };
-
-        menu.getChildren().setAll(
-                new IconedMenuItem(limitWidth.apply(SVG.gear(Theme.blackFillBinding(), 14, 14)), i18n("settings"), wrap.apply(skinnable::modifyGameSettings)),
-                new IconedMenuItem(limitWidth.apply(SVG.pencil(Theme.blackFillBinding(), 14, 14)), i18n("version.manage.rename"), wrap.apply(skinnable::rename)),
-                new IconedMenuItem(limitWidth.apply(SVG.delete(Theme.blackFillBinding(), 14, 14)), i18n("version.manage.remove"), wrap.apply(skinnable::remove)),
-                new IconedMenuItem(limitWidth.apply(SVG.export(Theme.blackFillBinding(), 14, 14)), i18n("modpack.export"), wrap.apply(skinnable::export)),
-                new IconedMenuItem(limitWidth.apply(SVG.folderOpen(Theme.blackFillBinding(), 14, 14)), i18n("folder.game"), wrap.apply(skinnable::browse)),
-                new IconedMenuItem(limitWidth.apply(SVG.launch(Theme.blackFillBinding(), 14, 14)), i18n("version.launch"), wrap.apply(skinnable::launch)),
-                new IconedMenuItem(limitWidth.apply(SVG.script(Theme.blackFillBinding(), 14, 14)), i18n("version.launch_script"), wrap.apply(skinnable::generateLaunchScript)));
+        menu.getContent().setAll(
+                new IconedMenuItem(FXUtils.limitingSize(SVG.gear(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("version.manage.manage"), FXUtils.withJFXPopupClosing(skinnable::modifyGameSettings, popup)),
+                new MenuSeparator(),
+                new IconedMenuItem(FXUtils.limitingSize(SVG.pencil(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("version.manage.rename"), FXUtils.withJFXPopupClosing(skinnable::rename, popup)),
+                new IconedMenuItem(FXUtils.limitingSize(SVG.delete(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("version.manage.remove"), FXUtils.withJFXPopupClosing(skinnable::remove, popup)),
+                new IconedMenuItem(FXUtils.limitingSize(SVG.export(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("modpack.export"), FXUtils.withJFXPopupClosing(skinnable::export, popup)),
+                new MenuSeparator(),
+                new IconedMenuItem(FXUtils.limitingSize(SVG.folderOpen(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("folder.game"), FXUtils.withJFXPopupClosing(skinnable::browse, popup)),
+                new MenuSeparator(),
+                new IconedMenuItem(FXUtils.limitingSize(SVG.launch(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("version.launch"), FXUtils.withJFXPopupClosing(skinnable::launch, popup)),
+                new IconedMenuItem(FXUtils.limitingSize(SVG.script(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("version.launch_script"), FXUtils.withJFXPopupClosing(skinnable::generateLaunchScript, popup)));

        HBox right = new HBox();
        right.setAlignment(Pos.CENTER_RIGHT);
@@ -123,8 +89,6 @@ public class GameListItemSkin extends SkinBase<GameListItem> {

        root.setStyle("-fx-background-color: white; -fx-padding: 8 8 8 0;");
        JFXDepthManager.setDepth(root, 1);
-        item.titleProperty().bind(skinnable.titleProperty());
-        item.subtitleProperty().bind(skinnable.subtitleProperty());

        getChildren().setAll(root);
    }
@@ -60,6 +60,7 @@ public class InstallerListPage extends ListPage<InstallerItem> {
                    .start();
        };

+        itemsProperty().clear();
        analyzer.getForge().ifPresent(library -> itemsProperty().add(new InstallerItem("Forge", library.getVersion(), removeAction.apply(library))));
        analyzer.getLiteLoader().ifPresent(library -> itemsProperty().add(new InstallerItem("LiteLoader", library.getVersion(), removeAction.apply(library))));
        analyzer.getOptiFine().ifPresent(library -> itemsProperty().add(new InstallerItem("OptiFine", library.getVersion(), removeAction.apply(library))));
@@ -15,7 +15,7 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see {http://www.gnu.org/licenses/}.
 */
-package org.jackhuang.hmcl.ui;
+package org.jackhuang.hmcl.ui.versions;

 import com.jfoenix.concurrency.JFXUtilities;
 import com.jfoenix.controls.JFXButton;
@@ -25,6 +25,8 @@ import javafx.geometry.Pos;
 import javafx.scene.layout.BorderPane;
 import org.jackhuang.hmcl.mod.ModInfo;
 import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.SVG;
 import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
 import org.jackhuang.hmcl.util.StringUtils;

@@ -28,9 +28,8 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.ListPage;
-import org.jackhuang.hmcl.ui.ModItem;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
@@ -18,7 +18,6 @@
 package org.jackhuang.hmcl.ui.versions;

 import com.jfoenix.controls.JFXButton;
-import com.jfoenix.controls.JFXListView;
 import com.jfoenix.controls.JFXPopup;
 import com.jfoenix.controls.JFXTabPane;
 import javafx.beans.property.ReadOnlyStringProperty;
@@ -26,11 +25,14 @@ import javafx.beans.property.ReadOnlyStringWrapper;
 import javafx.fxml.FXML;
 import javafx.scene.control.Tab;
 import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
 import org.jackhuang.hmcl.download.game.GameAssetIndexDownloadTask;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.construct.IconedMenuItem;
+import org.jackhuang.hmcl.ui.construct.PopupMenu;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;

@@ -48,9 +50,7 @@ public final class VersionPage extends StackPane implements DecoratorPage {
    @FXML
    private InstallerListPage installer;
    @FXML
-    private JFXListView<?> browseList;
-    @FXML
-    private JFXListView<?> managementList;
+    private WorldListPage world;
    @FXML
    private JFXButton btnBrowseMenu;
    @FXML
@@ -75,10 +75,25 @@ public final class VersionPage extends StackPane implements DecoratorPage {
    {
        FXUtils.loadFXML(this, "/assets/fxml/version/version.fxml");

-        getChildren().removeAll(browseList, managementList);
-
+        PopupMenu browseList = new PopupMenu();
        browsePopup = new JFXPopup(browseList);
+        browseList.getContent().setAll(
+                new IconedMenuItem(null, i18n("folder.game"), FXUtils.withJFXPopupClosing(() -> onBrowse(""), browsePopup)),
+                new IconedMenuItem(null, i18n("folder.mod"), FXUtils.withJFXPopupClosing(() -> onBrowse("mods"), browsePopup)),
+                new IconedMenuItem(null, i18n("folder.config"), FXUtils.withJFXPopupClosing(() -> onBrowse("config"), browsePopup)),
+                new IconedMenuItem(null, i18n("folder.resourcepacks"), FXUtils.withJFXPopupClosing(() -> onBrowse("resourcepacks"), browsePopup)),
+                new IconedMenuItem(null, i18n("folder.screenshots"), FXUtils.withJFXPopupClosing(() -> onBrowse("screenshots"), browsePopup)),
+                new IconedMenuItem(null, i18n("folder.saves"), FXUtils.withJFXPopupClosing(() -> onBrowse("resourcepacks"), browsePopup))
+        );
+
+        PopupMenu managementList = new PopupMenu();
        managementPopup = new JFXPopup(managementList);
+        managementList.getContent().setAll(
+                new IconedMenuItem(null, i18n("version.manage.rename"), FXUtils.withJFXPopupClosing(() -> Versions.renameVersion(profile, version), managementPopup)),
+                new IconedMenuItem(null, i18n("version.manage.remove"), FXUtils.withJFXPopupClosing(() -> Versions.deleteVersion(profile, version), managementPopup)),
+                new IconedMenuItem(null, i18n("version.manage.redownload_assets_index"), FXUtils.withJFXPopupClosing(() -> new GameAssetIndexDownloadTask(profile.getDependency(), profile.getRepository().getResolvedVersion(version)).start(), managementPopup)),
+                new IconedMenuItem(null, i18n("version.manage.remove_libraries"), FXUtils.withJFXPopupClosing(() -> FileUtils.deleteDirectoryQuietly(new File(profile.getRepository().getBaseDirectory(), "libraries")), managementPopup))
+        );

        FXUtils.installTooltip(btnDelete, i18n("version.manage.remove"));
        FXUtils.installTooltip(btnBrowseMenu, i18n("settings.game.exploration"));
@@ -90,78 +105,30 @@ public final class VersionPage extends StackPane implements DecoratorPage {
        this.version = id;
        this.profile = profile;

-        title.set(i18n("settings.game") + " - " + id);
+        title.set(i18n("version.manage.manage") + " - " + id);

        versionSettings.loadVersionSetting(profile, id);
        mod.setParentTab(tabPane);
        modTab.setUserData(mod);
        mod.loadMods(profile.getModManager(), id);
        installer.loadVersion(profile, id);
+        world.loadVersion(profile, id);
    }

    @FXML
    private void onBrowseMenu() {
-        browseList.getSelectionModel().select(-1);
-        browsePopup.show(btnBrowseMenu, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.RIGHT, -12, 15);
+        browsePopup.show(btnBrowseMenu, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.RIGHT, 0, btnBrowseMenu.getHeight());
    }

    @FXML
    private void onManagementMenu() {
-        managementList.getSelectionModel().select(-1);
-        managementPopup.show(btnManagementMenu, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.RIGHT, -12, 15);
+        managementPopup.show(btnManagementMenu, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.RIGHT, 0, btnManagementMenu.getHeight());
    }

-    @FXML
-    private void onBrowse() {
-        String sub;
-        switch (browseList.getSelectionModel().getSelectedIndex()) {
-            case 0:
-                sub = "";
-                break;
-            case 1:
-                sub = "mods";
-                break;
-            case 2:
-                sub = "coremods";
-                break;
-            case 3:
-                sub = "config";
-                break;
-            case 4:
-                sub = "resourcepacks";
-                break;
-            case 5:
-                sub = "screenshots";
-                break;
-            case 6:
-                sub = "saves";
-                break;
-            default:
-                return;
-        }
+    private void onBrowse(String sub) {
        FXUtils.openFolder(new File(profile.getRepository().getRunDirectory(version), sub));
    }

-    @FXML
-    private void onManagement() {
-        switch (managementList.getSelectionModel().getSelectedIndex()) {
-            case 0: // rename a version
-                Versions.renameVersion(profile, version);
-                break;
-            case 1: // remove a version
-                Versions.deleteVersion(profile, version);
-                break;
-            case 2: // redownload asset index
-                new GameAssetIndexDownloadTask(profile.getDependency(), profile.getRepository().getResolvedVersion(version)).start();
-                break;
-            case 3: // delete libraries
-                FileUtils.deleteDirectoryQuietly(new File(profile.getRepository().getBaseDirectory(), "libraries"));
-                break;
-            case 4:
-                throw new Error();
-        }
-    }
-
    public String getTitle() {
        return title.get();
    }
@@ -46,10 +46,10 @@ import org.jackhuang.hmcl.ui.construct.ComponentList;
 import org.jackhuang.hmcl.ui.construct.ImagePickerItem;
 import org.jackhuang.hmcl.ui.construct.MultiFileItem;
 import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.JavaVersion;
 import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.OperatingSystem;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
@@ -134,9 +134,9 @@ public final class VersionSettingsPage extends StackPane implements DecoratorPag
            // because versionSettings can be the global one.
            // global versionSettings.usesGlobal is always true.
            if (newValue)
-                profile.specializeVersionSetting(versionId);
+                profile.getRepository().specializeVersionSetting(versionId);
            else
-                profile.globalizeVersionSetting(versionId);
+                profile.getRepository().globalizeVersionSetting(versionId);

            Platform.runLater(() -> loadVersionSetting(profile, versionId));
        });
@@ -276,7 +276,7 @@ public final class VersionSettingsPage extends StackPane implements DecoratorPag
        chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(i18n("extension.png"), "*.png"));
        File selectedFile = chooser.showOpenDialog(Controllers.getStage());
        if (selectedFile != null) {
-            File iconFile = profile.getRepository().getVersionIcon(versionId);
+            File iconFile = profile.getRepository().getVersionIconFile(versionId);
            try {
                FileUtils.copyFile(selectedFile, iconFile);
                loadIcon();
@@ -291,7 +291,7 @@ public final class VersionSettingsPage extends StackPane implements DecoratorPag
        if (versionId == null)
            return;

-        File iconFile = profile.getRepository().getVersionIcon(versionId);
+        File iconFile = profile.getRepository().getVersionIconFile(versionId);
        if (iconFile.exists())
            iconFile.delete();
        loadIcon();
@@ -303,7 +303,7 @@ public final class VersionSettingsPage extends StackPane implements DecoratorPag
            return;
        }

-        File iconFile = profile.getRepository().getVersionIcon(versionId);
+        File iconFile = profile.getRepository().getVersionIconFile(versionId);
        if (iconFile.exists())
            iconPickerItem.setImage(new Image("file:" + iconFile.getAbsolutePath()));
        else
@@ -36,8 +36,8 @@ import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 import org.jackhuang.hmcl.ui.export.ExportWizardProvider;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.OperatingSystem;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
 import java.io.IOException;
@@ -92,13 +92,10 @@ public class Versions {
                region.set(Controllers.taskDialog(executor, i18n("modpack.update"), ""));
                executor.start();
            } catch (UnsupportedModpackException e) {
-                region.get().fireEvent(new DialogCloseEvent());
                Controllers.dialog(i18n("modpack.unsupported"), i18n("message.error"), MessageBox.ERROR_MESSAGE);
            } catch (MismatchedModpackTypeException e) {
-                region.get().fireEvent(new DialogCloseEvent());
                Controllers.dialog(i18n("modpack.mismatched_type"), i18n("message.error"), MessageBox.ERROR_MESSAGE);
            } catch (IOException e) {
-                region.get().fireEvent(new DialogCloseEvent());
                Controllers.dialog(i18n("modpack.invalid"), i18n("message.error"), MessageBox.ERROR_MESSAGE);
            }
        }
@@ -0,0 +1,62 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+import javafx.scene.control.Skin;
+import org.jackhuang.hmcl.game.World;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.ui.wizard.WizardSinglePage;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class WorldExportPage extends WizardSinglePage {
+    private final StringProperty path = new SimpleStringProperty();
+    private final StringProperty gameVersion = new SimpleStringProperty();
+    private final StringProperty worldName = new SimpleStringProperty();
+    private final World world;
+
+    public WorldExportPage(World world, Path export, Runnable onFinish) {
+        super(onFinish);
+
+        this.world = world;
+
+        path.set(export.toString());
+        gameVersion.set(world.getGameVersion());
+        worldName.set(world.getWorldName());
+    }
+
+    @Override
+    protected Skin<?> createDefaultSkin() {
+        return new WorldExportPageSkin(this);
+    }
+
+
+    public StringProperty pathProperty() {
+        return path;
+    }
+
+    public StringProperty gameVersionProperty() {
+        return gameVersion;
+    }
+
+    public StringProperty worldNameProperty() {
+        return worldName;
+    }
+
+    public void export() {
+        onFinish.run();
+    }
+
+    @Override
+    public String getTitle() {
+        return i18n("world.export.wizard", world.getFileName());
+    }
+
+    @Override
+    protected Object finish() {
+        return Task.of(i18n("world.export.wizard", worldName.get()), () -> world.export(Paths.get(path.get()), worldName.get()));
+    }
+}
@@ -0,0 +1,81 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXTextField;
+import javafx.beans.binding.Bindings;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.control.Label;
+import javafx.scene.control.SkinBase;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.construct.ComponentList;
+import org.jackhuang.hmcl.ui.construct.FileItem;
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class WorldExportPageSkin extends SkinBase<WorldExportPage> {
+
+    public WorldExportPageSkin(WorldExportPage skinnable) {
+        super(skinnable);
+
+        Insets insets = new Insets(0, 0, 12, 0);
+        VBox container = new VBox();
+        container.setSpacing(16);
+        container.setAlignment(Pos.CENTER);
+        FXUtils.setLimitWidth(container, 500);
+        {
+            HBox labelContainer = new HBox();
+            labelContainer.setPadding(new Insets(0, 0, 0, 5));
+            Label label = new Label(i18n("world.export"));
+            labelContainer.getChildren().setAll(label);
+            container.getChildren().add(labelContainer);
+        }
+
+        ComponentList list = new ComponentList();
+
+        FileItem fileItem = new FileItem();
+        fileItem.setName(i18n("world.export.location"));
+        fileItem.pathProperty().bindBidirectional(skinnable.pathProperty());
+        list.getContent().add(fileItem);
+
+        JFXTextField txtWorldName = new JFXTextField();
+        txtWorldName.textProperty().bindBidirectional(skinnable.worldNameProperty());
+        txtWorldName.setLabelFloat(true);
+        txtWorldName.setPromptText(i18n("world.name"));
+        StackPane.setMargin(txtWorldName, insets);
+        list.getContent().add(txtWorldName);
+
+        Label lblGameVersionTitle = new Label(i18n("world.game_version"));
+        Label lblGameVersion = new Label();
+        lblGameVersion.textProperty().bind(skinnable.gameVersionProperty());
+        BorderPane gameVersionPane = new BorderPane();
+        gameVersionPane.setPadding(new Insets(4, 0, 4, 0));
+        gameVersionPane.setLeft(lblGameVersionTitle);
+        gameVersionPane.setRight(lblGameVersion);
+        list.getContent().add(gameVersionPane);
+
+        container.getChildren().add(list);
+
+        JFXButton btnExport = new JFXButton(i18n("button.export"));
+        btnExport.disableProperty().bind(Bindings.createBooleanBinding(() -> txtWorldName.getText().isEmpty() || Files.exists(Paths.get(fileItem.getPath())),
+                txtWorldName.textProperty().isEmpty(), fileItem.pathProperty()));
+        btnExport.setButtonType(JFXButton.ButtonType.RAISED);
+        btnExport.getStyleClass().add("jfx-button-raised");
+        btnExport.setOnMouseClicked(e -> skinnable.export());
+        HBox bottom = new HBox();
+        bottom.setAlignment(Pos.CENTER_RIGHT);
+        bottom.getChildren().setAll(btnExport);
+        container.getChildren().add(bottom);
+
+        getChildren().setAll(container);
+    }
+
+
+}
@@ -0,0 +1,77 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+import javafx.scene.control.Control;
+import javafx.scene.control.Skin;
+import javafx.scene.image.Image;
+import javafx.stage.FileChooser;
+import org.jackhuang.hmcl.game.World;
+import org.jackhuang.hmcl.ui.Controllers;
+import org.jackhuang.hmcl.ui.wizard.SinglePageWizardProvider;
+import org.jackhuang.hmcl.util.versioning.IntVersionNumber;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;
+
+import java.io.File;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class WorldListItem extends Control {
+    private final StringProperty title = new SimpleStringProperty();
+    private final StringProperty subtitle = new SimpleStringProperty();
+    private final ObjectProperty<Image> image = new SimpleObjectProperty<>();
+    private final World world;
+    private final SimpleDateFormat simpleDateFormat;
+
+    public WorldListItem(World world) {
+        this.world = world;
+        this.simpleDateFormat = new SimpleDateFormat(i18n("world.time"));
+
+        title.set(world.getWorldName());
+        subtitle.set(i18n("world.description", world.getFileName(), simpleDateFormat.format(new Date(world.getLastPlayed())), world.getGameVersion() == null ? i18n("message.unknown") : world.getGameVersion()));
+    }
+
+    @Override
+    protected Skin<?> createDefaultSkin() {
+        return new WorldListItemSkin(this);
+    }
+
+    public StringProperty titleProperty() {
+        return title;
+    }
+
+    public StringProperty subtitleProperty() {
+        return subtitle;
+    }
+
+    public ObjectProperty<Image> imageProperty() {
+        return image;
+    }
+
+    public void export() {
+        FileChooser fileChooser = new FileChooser();
+        fileChooser.setTitle(i18n("world.export.title"));
+        fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(i18n("world"), "*.zip"));
+        fileChooser.setInitialFileName(world.getWorldName());
+        File file = fileChooser.showSaveDialog(Controllers.getStage());
+        if (file == null) {
+            return;
+        }
+
+        Controllers.getDecorator().startWizard(new SinglePageWizardProvider(controller -> new WorldExportPage(world, file.toPath(), controller::onFinish)));
+    }
+
+    public void manageDatapacks() {
+        if (world.getGameVersion() == null || // old game will not write game version to level.dat
+                (IntVersionNumber.isIntVersionNumber(world.getGameVersion()) // we don't parse snapshot version
+                        && VersionNumber.asVersion(world.getGameVersion()).compareTo(VersionNumber.asVersion("1.13")) < 0)) {
+            Controllers.dialog(i18n("world.datapack.1_13"));
+            return;
+        }
+        Controllers.navigate(new DatapackListPage(world.getWorldName(), world.getFile()));
+    }
+}
@@ -0,0 +1,73 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXPopup;
+import com.jfoenix.effects.JFXDepthManager;
+import javafx.geometry.Pos;
+import javafx.scene.control.SkinBase;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.StackPane;
+import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.SVG;
+import org.jackhuang.hmcl.ui.construct.IconedMenuItem;
+import org.jackhuang.hmcl.ui.construct.PopupMenu;
+import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class WorldListItemSkin extends SkinBase<WorldListItem> {
+
+    public WorldListItemSkin(WorldListItem skinnable) {
+        super(skinnable);
+
+        BorderPane root = new BorderPane();
+
+        HBox center = new HBox();
+        center.setSpacing(8);
+        center.setAlignment(Pos.CENTER_LEFT);
+
+        StackPane imageViewContainer = new StackPane();
+        FXUtils.setLimitWidth(imageViewContainer, 32);
+        FXUtils.setLimitHeight(imageViewContainer, 32);
+
+        ImageView imageView = new ImageView();
+        FXUtils.limitSize(imageView, 32, 32);
+        imageView.imageProperty().bind(skinnable.imageProperty());
+        imageViewContainer.getChildren().setAll(imageView);
+
+        TwoLineListItem item = new TwoLineListItem();
+        BorderPane.setAlignment(item, Pos.CENTER);
+        center.getChildren().setAll(imageView, item);
+        root.setCenter(center);
+
+        PopupMenu menu = new PopupMenu();
+        JFXPopup popup = new JFXPopup(menu);
+
+        menu.getContent().setAll(
+                new IconedMenuItem(FXUtils.limitingSize(SVG.gear(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("world.datapack"), FXUtils.withJFXPopupClosing(skinnable::manageDatapacks, popup)),
+                new IconedMenuItem(FXUtils.limitingSize(SVG.export(Theme.blackFillBinding(), 14, 14), 14, 14), i18n("world.export"), FXUtils.withJFXPopupClosing(skinnable::export, popup)));
+
+        HBox right = new HBox();
+        right.setAlignment(Pos.CENTER_RIGHT);
+
+        JFXButton btnManage = new JFXButton();
+        btnManage.setOnMouseClicked(e -> {
+            popup.show(root, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.RIGHT, 0, root.getHeight());
+        });
+        btnManage.getStyleClass().add("toggle-icon4");
+        BorderPane.setAlignment(btnManage, Pos.CENTER);
+        btnManage.setGraphic(SVG.dotsVertical(Theme.blackFillBinding(), -1, -1));
+        right.getChildren().add(btnManage);
+        root.setRight(right);
+
+        root.setStyle("-fx-background-color: white; -fx-padding: 8 8 8 0;");
+        JFXDepthManager.setDepth(root, 1);
+        item.titleProperty().bind(skinnable.titleProperty());
+        item.subtitleProperty().bind(skinnable.subtitleProperty());
+
+        getChildren().setAll(root);
+    }
+}
@@ -0,0 +1,66 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import javafx.stage.FileChooser;
+import org.jackhuang.hmcl.game.World;
+import org.jackhuang.hmcl.setting.Profile;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.ui.Controllers;
+import org.jackhuang.hmcl.ui.ListPage;
+import org.jackhuang.hmcl.util.Logging;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.FileAlreadyExistsException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.stream.Collectors;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class WorldListPage extends ListPage<WorldListItem> {
+    private Path savesDir;
+
+    public WorldListPage() {
+    }
+
+    public void loadVersion(Profile profile, String id) {
+        this.savesDir = profile.getRepository().getRunDirectory(id).toPath().resolve("saves");
+
+        itemsProperty().setAll(World.getWorlds(savesDir).stream()
+                .map(WorldListItem::new).collect(Collectors.toList()));
+    }
+
+    @Override
+    public void add() {
+        FileChooser chooser = new FileChooser();
+        chooser.setTitle(i18n("world.import.choose"));
+        chooser.getExtensionFilters().setAll(new FileChooser.ExtensionFilter(i18n("world.extension"), "*.zip"));
+        List<File> res = chooser.showOpenMultipleDialog(Controllers.getStage());
+
+        if (res == null || res.isEmpty()) return;
+        try {
+            // Only accept one world file because user is required to confirm the new world name
+            // Or too many input dialogs are popped.
+            World world = new World(res.get(0).toPath());
+
+            Controllers.inputDialog(i18n("world.name.enter"), (name, resolve, reject) -> {
+                Task.of(() -> world.install(savesDir, name))
+                        .finalized(Schedulers.javafx(), var -> {
+                            itemsProperty().add(new WorldListItem(new World(savesDir.resolve(name))));
+                            resolve.run();
+                        }, e -> {
+                            if (e instanceof FileAlreadyExistsException)
+                                reject.accept(i18n("world.import.failed", i18n("world.import.already_exists")));
+                            else
+                                reject.accept(i18n("world.import.failed", e.getClass().getName() + ": " + e.getLocalizedMessage()));
+                        }).start();
+            }).setInitialText(world.getWorldName());
+
+        } catch (IOException | IllegalArgumentException e) {
+            Logging.LOG.log(Level.WARNING, "Unable to parse datapack file " + res.get(0), e);
+        }
+    }
+}
@@ -0,0 +1,37 @@
+package org.jackhuang.hmcl.ui.wizard;
+
+import javafx.scene.Node;
+
+import java.util.Map;
+import java.util.function.Function;
+
+public class SinglePageWizardProvider implements WizardProvider {
+
+    private final Function<WizardController, WizardSinglePage> provider;
+    private WizardSinglePage page;
+
+    public SinglePageWizardProvider(Function<WizardController, WizardSinglePage> provider) {
+        this.provider = provider;
+    }
+
+    @Override
+    public void start(Map<String, Object> settings) {
+    }
+
+    @Override
+    public Object finish(Map<String, Object> settings) {
+        return page.finish();
+    }
+
+    @Override
+    public Node createPage(WizardController controller, int step, Map<String, Object> settings) {
+        if (step != 0) throw new IllegalStateException("Step must be 0");
+
+        return page = provider.apply(controller);
+    }
+
+    @Override
+    public boolean cancel() {
+        return true;
+    }
+}
@@ -0,0 +1,19 @@
+package org.jackhuang.hmcl.ui.wizard;
+
+import javafx.scene.control.Control;
+
+import java.util.Map;
+
+public abstract class WizardSinglePage extends Control implements WizardPage {
+    protected final Runnable onFinish;
+
+    protected WizardSinglePage(Runnable onFinish) {
+        this.onFinish = onFinish;
+    }
+
+    protected abstract Object finish();
+
+    @Override
+    public void cleanup(Map<String, Object> settings) {
+    }
+}
@@ -17,8 +17,6 @@
 */
 package org.jackhuang.hmcl.upgrade;

-import org.jackhuang.hmcl.util.IOUtils;
-
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.ByteBuffer;
@@ -30,6 +28,8 @@ import java.util.Optional;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;

+import org.jackhuang.hmcl.util.io.IOUtils;
+
 import static java.nio.file.StandardOpenOption.*;
 import static org.jackhuang.hmcl.util.Lang.mapOf;
 import static org.jackhuang.hmcl.util.Pair.pair;
@@ -18,7 +18,7 @@
 package org.jackhuang.hmcl.upgrade;

 import org.jackhuang.hmcl.task.FileDownloadTask;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
 import org.tukaani.xz.XZInputStream;

 import java.io.ByteArrayInputStream;
@@ -18,8 +18,8 @@
 package org.jackhuang.hmcl.upgrade;

 import org.jackhuang.hmcl.util.DigestUtils;
-import org.jackhuang.hmcl.util.IOUtils;
-import org.jackhuang.hmcl.util.JarUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;

 import java.io.IOException;
 import java.io.InputStream;
@@ -21,8 +21,8 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
-import org.jackhuang.hmcl.util.JsonUtils;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.util.Optional;
@@ -24,7 +24,7 @@ import javafx.beans.property.*;
 import javafx.beans.value.ObservableBooleanValue;
 import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.setting.ConfigHolder;
-import org.jackhuang.hmcl.util.NetworkUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;

 import java.io.IOException;
 import java.util.logging.Level;
@@ -35,7 +35,7 @@ import static org.jackhuang.hmcl.util.Lang.mapOf;
 import static org.jackhuang.hmcl.util.Lang.thread;
 import static org.jackhuang.hmcl.util.Logging.LOG;
 import static org.jackhuang.hmcl.util.Pair.pair;
-import static org.jackhuang.hmcl.util.VersionNumber.asVersion;
+import static org.jackhuang.hmcl.util.versioning.VersionNumber.asVersion;

 public final class UpdateChecker {
    private UpdateChecker() {}
@@ -83,7 +83,7 @@ public final class UpdateChecker {
    }

    private static RemoteVersion checkUpdate(UpdateChannel channel) throws IOException {
-        if (!IntegrityChecker.isSelfVerified()) {
+        if (!IntegrityChecker.isSelfVerified() && !"true".equals(System.getProperty("hmcl.self_integrity_check.disable"))) {
            throw new IOException("Self verification failed");
        }

@@ -18,6 +18,7 @@
 package org.jackhuang.hmcl.upgrade;

 import com.google.gson.Gson;
+import com.google.gson.JsonParseException;
 import javafx.application.Platform;
 import javafx.scene.layout.Region;
 import org.jackhuang.hmcl.Launcher;
@@ -28,9 +29,9 @@ import org.jackhuang.hmcl.task.TaskExecutor;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
-import org.jackhuang.hmcl.util.JarUtils;
-import org.jackhuang.hmcl.util.JavaVersion;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.platform.JavaVersion;

 import javax.swing.*;
 import java.io.IOException;
@@ -239,18 +240,20 @@ public final class UpdateHandler {
    }

    private static void breakForceUpdateFeature() {
-        try {
-            Path hmclVersionJson = Launcher.HMCL_DIRECTORY.toPath().resolve("hmclver.json");
-            if (Files.isRegularFile(hmclVersionJson)) {
+        Path hmclVersionJson = Launcher.HMCL_DIRECTORY.toPath().resolve("hmclver.json");
+        if (Files.isRegularFile(hmclVersionJson)) {
+            try {
                Map<?, ?> content = new Gson().fromJson(new String(Files.readAllBytes(hmclVersionJson), UTF_8), Map.class);
                Object ver = content.get("ver");
                if (ver instanceof String && ((String) ver).startsWith("3.")) {
                    Files.delete(hmclVersionJson);
                    LOG.info("Successfully broke the force update feature");
                }
+            } catch (IOException e) {
+                LOG.log(Level.WARNING, "Failed to break the force update feature", e);
+            } catch (JsonParseException e) {
+                hmclVersionJson.toFile().delete();
            }
-        } catch (IOException e) {
-            LOG.log(Level.WARNING, "Failed to break the force update feature", e);
        }
    }
    // ====
@@ -23,6 +23,8 @@ import org.jackhuang.hmcl.ui.CrashWindow;
 import org.jackhuang.hmcl.ui.construct.MessageBox;
 import org.jackhuang.hmcl.upgrade.IntegrityChecker;
 import org.jackhuang.hmcl.upgrade.UpdateChecker;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.IOException;
 import java.text.SimpleDateFormat;
@@ -59,6 +59,10 @@
    -fx-padding: 20 0 20 0;
 }

+.iconed-item {
+    -jfx-rippler-fill: -fx-base-color;
+}
+
 .iconed-item .iconed-item-container {
    -fx-padding: 10 16 10 16;
    -fx-spacing: 10;
@@ -66,13 +70,40 @@
    -fx-alignment: CENTER_LEFT;
 }

+.iconed-menu-item {
+    -jfx-rippler-fill: -fx-base-color;
+}
+
 .iconed-menu-item .iconed-item-container {
-    -fx-padding: 10 16 10 16;
+    -fx-padding: 8 16 8 16;
    -fx-spacing: 10;
    -fx-font-size: 12;
    -fx-alignment: CENTER_LEFT;
 }

+.menu-container {
+    -fx-padding: 8 16 8 16;
+}
+
+.menu {
+    -fx-padding: 4 0 4 0;
+}
+
+.bubble {
+    -fx-background-color: gray;
+    -fx-background-radius: 2px;
+}
+
+.bubble .label {
+    -fx-text-fill: white;
+}
+
+.two-line-list-item {
+    -jfx-title-font-size: 15px;
+    -jfx-title-fill: black;
+    -jfx-subtitle-fill: gray;
+}
+
 /*******************************************************************************
 *                                                                             *
 * JFX Tab Pane                                                                *
@@ -181,7 +212,6 @@

 .jfx-popup-container {
    -fx-background-color: WHITE;
-    -fx-pref-width: 151.0px;
 }

 .popup-list-view {
@@ -309,6 +339,7 @@
 }

 .jfx-tool-bar-second {
+    -fx-pref-height: 42;
    -fx-padding: 2 2 2 2;
    -fx-background-color: -fx-base-check-color;
 }
@@ -318,7 +349,7 @@
 }

 .jfx-tool-bar-button {
-    -fx-toggle-icon4-size: 35px;
+    -fx-toggle-icon4-size: 37px;
    -fx-pref-height: -fx-toggle-icon4-size;
    -fx-max-height: -fx-toggle-icon4-size;
    -fx-min-height: -fx-toggle-icon4-size;
@@ -510,6 +541,15 @@
    -fx-font-size:14px;
 }

+.jfx-button-raised .jfx-rippler {
+    -jfx-rippler-fill: white;
+}
+
+.jfx-button-raised .label {
+    -fx-text-fill: white;
+    -fx-font-size: 14px;
+}
+
 .jfx-button-raised-round {
    -fx-background-color: -fx-base-color;
    -fx-background-radius: 50px;
@@ -2,11 +2,48 @@

 <?import com.jfoenix.controls.JFXButton?>
 <?import javafx.scene.layout.StackPane?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.shape.Rectangle?>
+<?import org.jackhuang.hmcl.ui.FXUtils?>
+<?import javafx.geometry.Insets?>
+<?import org.jackhuang.hmcl.ui.construct.TwoLineListItem?>
+<?import javafx.scene.layout.HBox?>
 <fx:root type="StackPane" pickOnBounds="false"
         xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1">
    <StackPane fx:id="main" style="-fx-padding: 25;">
-        <JFXButton prefWidth="150" prefHeight="50" buttonType="RAISED" styleClass="jfx-button-raised"
-                   style="-fx-font-size: 15;" onMouseClicked="#launch"
-                   text="%version.launch" StackPane.alignment="BOTTOM_RIGHT"/>
+        <StackPane fx:id="updatePane" styleClass="bubble" FXUtils.limitWidth="230" FXUtils.limitHeight="55"
+                   onMouseClicked="#onUpgrade" StackPane.alignment="TOP_RIGHT">
+            <HBox StackPane.alignment="CENTER_LEFT" alignment="CENTER_LEFT" spacing="12">
+                <Label fx:id="lblIcon" />
+                <TwoLineListItem titleFill="white" subtitleFill="white" subtitle="%update.bubble.subtitle" fx:id="lblLatestVersion" pickOnBounds="false"
+                    style="-jfx-title-font-weight: BOLD;" />
+
+                <StackPane.margin>
+                    <Insets left="16" top="9" right="12" bottom="9" />
+                </StackPane.margin>
+            </HBox>
+
+            <JFXButton fx:id="closeButton" StackPane.alignment="TOP_RIGHT" styleClass="toggle-icon-tiny">
+                <StackPane.margin>
+                    <Insets topRightBottomLeft="5" />
+                </StackPane.margin>
+            </JFXButton>
+        </StackPane>
+
+        <StackPane maxWidth="230" maxHeight="55" StackPane.alignment="BOTTOM_RIGHT">
+            <JFXButton prefWidth="230" prefHeight="55" buttonType="RAISED" styleClass="jfx-button-raised"
+                       onMouseClicked="#launch" fx:id="btnLaunch">
+                <graphic>
+                    <VBox alignment="CENTER" translateX="-7" maxWidth="200">
+                        <Label style="-fx-font-size: 16;" text="%version.launch"/>
+                        <Label style="-fx-font-size: 12px;" fx:id="lblCurrentGame"/>
+                    </VBox>
+                </graphic>
+            </JFXButton>
+            <Rectangle fx:id="separator" translateX="95" height="57" fill="gray" width="1" mouseTransparent="true"/>
+            <JFXButton prefWidth="230" prefHeight="55" buttonType="RAISED" styleClass="jfx-button-raised"
+                       style="-fx-font-size: 15;" onMouseClicked="#onMenu" fx:id="btnMenu" />
+        </StackPane>
    </StackPane>
 </fx:root>
@@ -7,6 +7,7 @@
 <?import org.jackhuang.hmcl.ui.versions.VersionSettingsPage?>
 <?import org.jackhuang.hmcl.ui.versions.ModListPage?>
 <?import org.jackhuang.hmcl.ui.versions.InstallerListPage?>
+<?import org.jackhuang.hmcl.ui.versions.WorldListPage?>
 <fx:root xmlns="http://javafx.com/javafx"
         xmlns:fx="http://javafx.com/fxml"
         fx:id="rootPane"
@@ -23,9 +24,12 @@
            <Tab text="%settings.tabs.installers">
                <InstallerListPage fx:id="installer" />
            </Tab>
+            <Tab text="%world">
+                <WorldListPage fx:id="world" />
+            </Tab>
        </JFXTabPane>

-        <HBox alignment="TOP_RIGHT" style="-fx-padding: 2 2 2 2;" spacing="3" pickOnBounds="false">
+        <HBox alignment="TOP_RIGHT" style="-fx-padding: 4;" spacing="3" pickOnBounds="false">
            <JFXButton fx:id="btnBrowseMenu" maxHeight="40.0" minHeight="40.0" onMouseClicked="#onBrowseMenu"
                       styleClass="toggle-icon3">
                <graphic>
@@ -40,23 +44,4 @@
            </JFXButton>
        </HBox>
    </StackPane>
-
-    <JFXListView fx:id="browseList" styleClass="option-list-view" onMouseClicked="#onBrowse" maxWidth="150.0"
-                 minWidth="150.0">
-        <Label text="%folder.game"/>
-        <Label text="%folder.mod"/>
-        <Label text="%folder.coremod"/>
-        <Label text="%folder.config"/>
-        <Label text="%folder.resourcepacks"/>
-        <Label text="%folder.screenshots"/>
-        <Label text="%folder.saves"/>
-    </JFXListView>
-
-    <JFXListView fx:id="managementList" styleClass="option-list-view" onMouseClicked="#onManagement"
-                 maxWidth="300.0" minWidth="300.0">
-        <Label text="%version.manage.rename"/>
-        <Label text="%version.manage.remove"/>
-        <Label text="%version.manage.redownload_assets_index"/>
-        <Label text="%version.manage.remove_libraries"/>
-    </JFXListView>
 </fx:root>
@@ -23,7 +23,7 @@ about.thanks_to=Thanks to
 about.thanks_to.statement=bangbang93 (BMCLAPI, https://bmclapi2.bangbang93.com/)\ngamerteam (Default background image)\nAll contributors who participated in this project via issues, pull requests, etc.
 about.dependency=Dependencies
 # Due to space limitations, only first authors are listed
-about.dependency.statement=JFoenix (Shadi Shaheen, Apache 2.0)\nGson (Google, Apache 2.0)\nApache Commons Compress (ASF, Apache 2.0)\nXZ for Java (Lasse Collin, Public Domain)\nfx-gson (Joffrey Bion, MIT)\nConstant Pool Scanner(jenkins-ci, CDDL, GPL 2)
+about.dependency.statement=JFoenix (Shadi Shaheen, Apache 2.0)\nGson (Google, Apache 2.0)\nApache Commons Compress (ASF, Apache 2.0)\nXZ for Java (Lasse Collin, Public Domain)\nfx-gson (Joffrey Bion, MIT)\nConstant Pool Scanner (jenkins-ci, CDDL, GPL 2)\nOpenNBT (Steveice10, BSD 3-Clause)
 about.claim=Statement
 about.claim.statement=Minecraft is copyrighted by Mojang AB. We are not responsible for any copyright infringement arising from the use of this software.
 about.open_source=Open Source
@@ -70,6 +70,7 @@ button.clear=Clear
 button.delete=Delete
 button.edit=Edit
 button.install=Install
+button.export=Export
 button.no=No
 button.ok=OK
 button.refresh=Refresh
@@ -83,11 +84,11 @@ crash.NoClassDefFound=Please check "HMCL" software is complete.
 crash.user_fault=Your OS or Java environment may not be properly installed resulting in crashing of this software, please check your Java Environment or your computer!

 download=Download
-download.BMCL=BMCLAPI (bangbang93, https://bmclapi2.bangbang93.com/)
 download.failed=Failed to download
 download.failed.empty=No candidates. Click here to return.
 download.failed.refresh=Unable to load version list. Click here to retry.
-download.mojang=Mojang
+download.provider.bmclapi=BMCLAPI (bangbang93, https://bmclapi2.bangbang93.com/)
+download.provider.mojang=Mojang

 extension.bat=Windows Bat file
 extension.mod=Mod file
@@ -101,15 +102,17 @@ fatal.migration_requires_manual_reboot=The upgrade is about to be completed. Ple
 fatal.apply_update_failure=We're sorry that HMCL couldn't finish the upgrade because something went wrong.\nBut you can still manually finish the upgrade by downloading HMCL from %s.\nPlease consider reporting this issue to us.

 folder.config=Configs
-folder.coremod=Core Mod
-folder.game=Game Dir
+folder.game=Game Directory
 folder.mod=Mod
-folder.resourcepacks=Resourcepacks
+folder.resourcepacks=Resource packs
 folder.saves=Saves
 folder.screenshots=Screenshots

 general.prompt.empty=(None)

+help=Documentations
+help.detail=For datapacks, modpacks, etc. makers.
+
 input.email=The username must be an e-mail.
 input.number=Must be a number.
 input.not_empty=Required field
@@ -240,6 +243,30 @@ mods.add.success=Successfully added mods %s.
 mods.choose_mod=Choose your mods
 mods.remove=Remove

+datapack=Data packs
+datapack.add=Add data pack
+datapack.choose_datapack=Choose the datapack zip to be imported
+datapack.extension=Datapack
+datapack.title=World %s - Datapacks
+datapack.remove=Remove
+
+world=Worlds/Datapacks
+world.datapack=Manage data packs
+world.datapack.1_13=Only Minecraft 1.13 and later versions support data packs.
+world.description=%s. Last played time: %s. Game version: %s.
+world.export=Export this world
+world.export.title=Choose a file location to hold your world
+world.export.location=Export to
+world.export.wizard=Export world %s
+world.extension=World zip
+world.game_version=Game Version
+world.import.already_exists=This world already exists.
+world.import.choose=Choose the save zip to be imported
+world.import.failed=Unable to import this world: %s
+world.name=World Name
+world.name.enter=Enter the world name
+world.time=EEE, MMM d, yyyy HH:mm:ss
+
 profile=Game Directories
 profile.default=Current directory
 profile.home=User home
@@ -323,6 +350,8 @@ update.checking=Checking for updates
 update.failed=Failed to perform upgrade
 update.found=Update Available!
 update.newest_version=Latest version: %s
+update.bubble.title=Update Available: %s
+update.bubble.subtitle=Click here for details
 update.note=Development version contains more functionality and bug fixes as well as more possible bugs.
 update.latest=This is latest Version.
 update.no_browser=Cannot open any browser. The link has been copied to the clipboard. Paste it to a browser address bar to update.
@@ -343,6 +372,7 @@ version.launch_script.failed=Unable to make launch script.
 version.launch_script.save=Save the launch script
 version.launch_script.success=Finished script creation, %s.
 version.manage=Game List
+version.manage.manage=Manage Game
 version.manage.redownload_assets_index=Redownload Assets Index
 version.manage.remove=Delete this game
 version.manage.remove.confirm=Sure to remove game %s? You cannot restore this game again!
@@ -23,7 +23,7 @@ about.thanks_to=鳴謝
 about.thanks_to.statement=bangbang93 (BMCLAPI, https://bmclapi2.bangbang93.com/)\ngamerteam (預設背景圖)\n所有通過 Issues、Pull Requests 等方式參與本項目的貢獻者
 about.dependency=依賴
 # 由於篇幅限制，僅列出第一作者
-about.dependency.statement=JFoenix (Shadi Shaheen, Apache 2.0)\nGson (Google, Apache 2.0)\nApache Commons Compress (ASF, Apache 2.0)\nXZ for Java (Lasse Collin, Public Domain)\nfx-gson (Joffrey Bion, MIT)\nConstant Pool Scanner(jenkins-ci, CDDL, GPL 2)
+about.dependency.statement=JFoenix (Shadi Shaheen, Apache 2.0)\nGson (Google, Apache 2.0)\nApache Commons Compress (ASF, Apache 2.0)\nXZ for Java (Lasse Collin, Public Domain)\nfx-gson (Joffrey Bion, MIT)\nConstant Pool Scanner (jenkins-ci, CDDL, GPL 2)\nOpenNBT (Steveice10, BSD 3-Clause)
 about.claim=免責聲明
 about.claim.statement=Minecraft 版權歸 Mojang AB 所有，使用本軟體產生的版權問題，軟體製作方概不負責。請支援正版。
 about.open_source=開源
@@ -70,6 +70,7 @@ button.clear=清除
 button.delete=刪除
 button.edit=編輯
 button.install=安裝
+button.export=導出
 button.no=否
 button.ok=確定
 button.refresh=重新整理
@@ -83,11 +84,11 @@ crash.NoClassDefFound=請確認 HMCL 本體是否完整，或更新您的 Java
 crash.user_fault=您的系統或 Java 環境可能安裝不當導致本軟體崩潰，請檢查您的 Java 環境或您的電腦！可以嘗試重新安裝 Java。

 download=下載
-download.BMCL=BMCLAPI（bangbang93，https://bmclapi2.bangbang93.com/）
 download.failed=下載失敗
 download.failed.empty=沒有可供安裝的版本，點擊此處返回。
 download.failed.refresh=載入版本列表失敗，點擊此處重試。
-download.mojang=官方伺服器（Mojang）
+download.provider.bmclapi=BMCLAPI（bangbang93，https://bmclapi2.bangbang93.com/）
+download.provider.mojang=官方伺服器（Mojang）

 extension.bat=Windows 腳本
 extension.mod=模組檔案
@@ -101,7 +102,6 @@ fatal.migration_requires_manual_reboot=HMCL 即將升級完成，請重新打開
 fatal.apply_update_failure=我們很抱歉 HMCL 無法自動完成升級程序，因為出現了一些問題。\n但你依然可以從 %s 處手動下載 HMCL 來完成升級。\n請考慮向我們回報該問題。

 folder.config=設定資料夾
-folder.coremod=核心 MOD 模組資料夾
 folder.game=遊戲資料夾
 folder.mod=MOD 模組資料夾
 folder.resourcepacks=資源包資料夾
@@ -110,6 +110,9 @@ folder.screenshots=截圖資料夾

 general.prompt.empty=(無)

+help=HMCL 幫助文檔
+help.detail=可查閱資料包、整合包製作指南等內容。
+
 input.email=「使用者名稱」必須是電子信箱格式
 input.number=必須是數字
 input.not_empty=必填
@@ -240,9 +243,33 @@ mods.add.success=成功新增模組 %s。
 mods.choose_mod=選擇模組
 mods.remove=刪除

+datapack=資料包
+datapack.add=添加資料包
+datapack.choose_datapack=選擇要導入的資料包壓縮檔
+datapack.extension=資料包
+datapack.title=世界 %s - 資料包
+datapack.remove=刪除
+
+world=世界/資料包
+world.datapack=管理資料包
+world.datapack.1_13=僅 Minecraft 1.13 及之後的版本支持資料包
+world.description=%s. 上一次遊戲時間: %s. 遊戲版本: %s
+world.export=導出此世界
+world.export.title=選擇該世界的存儲位置
+world.export.location=保存到
+world.export.wizard=導出世界 %s
+world.extension=存檔壓縮檔
+world.import.already_exists=此世界已經存在
+world.import.choose=選擇要導入的存檔壓縮檔
+world.import.failed=無法導入此世界: %s
+world.game_version=遊戲版本
+world.name=世界名稱
+world.name.enter=輸入世界名稱
+world.time=yyyy 年 MM 月 dd 日 HH:mm:ss
+
 profile=遊戲目錄
 profile.default=目前目錄
-profile.home=主資料夾
+profile.home=官方啟動器
 profile.instance_directory=遊戲路徑
 profile.instance_directory.choose=選擇遊戲路徑
 profile.manage=遊戲目錄列表
@@ -323,6 +350,8 @@ update.checking=正在檢查更新
 update.failed=更新失敗
 update.found=發現到更新
 update.newest_version=最新版本為：%s
+update.bubble.title=發現更新：%s
+update.bubble.subtitle=點擊此處查看詳情
 update.note=開發版包含更多的功能以及錯誤修復，但也可能會包含其他的問題。
 update.latest=目前版本為最新版本
 update.no_browser=無法打開瀏覽器，網址已經複製到剪貼簿了，您可以手動複製網址打開頁面
@@ -343,7 +372,8 @@ version.launch_script.failed=生成啟動腳本失敗
 version.launch_script.save=儲存啟動腳本
 version.launch_script.success=啟動腳本已生成完畢：%s
 version.manage=遊戲列表
-version.manage.redownload_assets_index=重新下載資源設定（assets_index.json）
+version.manage.manage=游戏管理
+version.manage.redownload_assets_index=更新資源列表
 version.manage.remove=刪除該版本
 version.manage.remove.confirm=真的要刪除版本 %s 嗎？你將無法找回被刪除的檔案！
 version.manage.remove.confirm.trash=真的要刪除版本 %s 嗎？你可以在系統的資源回收桶 (或垃圾桶) 中還原資料夾 %s 來找回該版本。
@@ -23,7 +23,7 @@ about.thanks_to=鸣谢
 about.thanks_to.statement=bangbang93 (BMCLAPI, https://bmclapi2.bangbang93.com/)\ngamerteam (默认背景图)\n所有通过 Issues、Pull Requests 等方式参与本项目的贡献者
 about.dependency=依赖
 # 由于篇幅限制，仅列出第一作者
-about.dependency.statement=JFoenix (Shadi Shaheen, Apache 2.0)\nGson (Google, Apache 2.0)\nApache Commons Compress (ASF, Apache 2.0)\nXZ for Java (Lasse Collin, Public Domain)\nfx-gson (Joffrey Bion, MIT)\nConstant Pool Scanner(jenkins-ci, CDDL, GPL 2)
+about.dependency.statement=JFoenix (Shadi Shaheen, Apache 2.0)\nGson (Google, Apache 2.0)\nApache Commons Compress (ASF, Apache 2.0)\nXZ for Java (Lasse Collin, Public Domain)\nfx-gson (Joffrey Bion, MIT)\nConstant Pool Scanner (jenkins-ci, CDDL, GPL 2)\nOpenNBT (Steveice10, BSD 3-Clause)
 about.claim=免责声明
 about.claim.statement=Minecraft 版权归 Mojang AB 所有，使用本软件产生的版权问题，软件制作方概不负责。请支持正版。
 about.open_source=开源
@@ -70,6 +70,7 @@ button.clear=清除
 button.delete=删除
 button.edit=修改
 button.install=安装
+button.export=导出
 button.no=否
 button.ok=确定
 button.refresh=刷新
@@ -83,11 +84,11 @@ crash.NoClassDefFound=请确认 HMCL 本体是否完整，或更新您的 Java
 crash.user_fault=您的系统或 Java 环境可能安装不当导致本软件崩溃，请检查您的 Java 环境或您的电脑！可以尝试重新安装 Java。

 download=下载
-download.BMCL=BMCLAPI（bangbang93，https://bmclapi2.bangbang93.com/）
 download.failed=下载失败
 download.failed.empty=没有可供安装的版本，点击此处返回。
 download.failed.refresh=加载版本列表失败，点击此处重试。
-download.mojang=官方（Mojang）
+download.provider.bmclapi=BMCLAPI（bangbang93，https://bmclapi2.bangbang93.com/）
+download.provider.mojang=官方（Mojang）

 extension.bat=Windows 脚本
 extension.mod=模组文件
@@ -101,7 +102,6 @@ fatal.migration_requires_manual_reboot=HMCL 即将完成升级，请重新打开
 fatal.apply_update_failure=我们很抱歉 HMCL 无法自动完成升级，因为出现了一些问题。\n但你依然可以从 %s 处手动下载 HMCL 来完成升级。\n请考虑向我们反馈该问题。

 folder.config=配置文件夹
-folder.coremod=核心 MOD 文件夹
 folder.game=游戏文件夹
 folder.mod=MOD文件夹
 folder.resourcepacks=资源包文件夹
@@ -110,6 +110,9 @@ folder.screenshots=截图文件夹

 general.prompt.empty=（无）

+help=HMCL 帮助文档
+help.detail=可查阅数据包、整合包制作指南等内容。
+
 input.email=用户名必须是邮箱
 input.number=必须是数字
 input.not_empty=必填项
@@ -240,9 +243,33 @@ mods.add.success=成功添加模组 %s。
 mods.choose_mod=选择模组
 mods.remove=删除

+datapack=数据包
+datapack.add=添加数据包
+datapack.choose_datapack=选择要导入的数据包压缩包
+datapack.extension=数据包
+datapack.title=世界 %s - 数据包
+datapack.remove=删除
+
+world=世界/数据包
+world.datapack=管理数据包
+world.datapack.1_13=仅 Minecraft 1.13 及之后的版本支持数据包
+world.description=%s. 上一次游戏时间: %s. 游戏版本: %s
+world.export=导出此世界
+world.export.title=选择该世界的存储位置
+world.export.location=保存到
+world.export.wizard=导出世界 %s
+world.extension=世界压缩包
+world.game_version=游戏版本
+world.import.already_exists=此世界已经存在
+world.import.choose=选择要导入的存档压缩包
+world.import.failed=无法导入此世界：%s
+world.name=世界名称
+world.name.enter=输入世界名称
+world.time=yyyy 年 MM 月 dd 日 HH:mm:ss
+
 profile=游戏目录
 profile.default=当前目录
-profile.home=主文件夹
+profile.home=官方启动器
 profile.instance_directory=游戏路径
 profile.instance_directory.choose=选择游戏路径
 profile.manage=游戏目录列表
@@ -323,6 +350,8 @@ update.checking=正在检查更新
 update.failed=更新失败
 update.found=发现更新
 update.newest_version=最新版本为：%s
+update.bubble.title=发现更新：%s
+update.bubble.subtitle=点击此处查看详情
 update.note=开发版包含更多的功能以及错误修复，但也可能会包含其他的问题。
 update.latest=当前版本为最新版本
 update.no_browser=无法打开浏览器，网址已经复制到剪贴板了，您可以手动粘贴网址打开页面
@@ -343,7 +372,8 @@ version.launch_script.failed=生成启动脚本失败
 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=游戏列表
-version.manage.redownload_assets_index=重新下载资源配置（assets_index.json）
+version.manage.manage=游戏管理
+version.manage.redownload_assets_index=更新资源列表
 version.manage.remove=删除该版本
 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。
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="black" content="M19,4H15.5L14.5,3H9.5L8.5,4H5V6H19M6,19A2,2 0 0,0 8,21H16A2,2 0 0,0 18,19V7H6V19Z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="white" content="M19,4H15.5L14.5,3H9.5L8.5,4H5V6H19M6,19A2,2 0 0,0 8,21H16A2,2 0 0,0 18,19V7H6V19Z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="white" content="M12,16A2,2 0 0,1 14,18A2,2 0 0,1 12,20A2,2 0 0,1 10,18A2,2 0 0,1 12,16M12,10A2,2 0 0,1 14,12A2,2 0 0,1 12,14A2,2 0 0,1 10,12A2,2 0 0,1 12,10M12,4A2,2 0 0,1 14,6A2,2 0 0,1 12,8A2,2 0 0,1 10,6A2,2 0 0,1 12,4Z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="white" content="M23,12L19,8V11H10V13H19V16M1,18V6C1,4.89 1.9,4 3,4H15A2,2 0 0,1 17,6V9H15V6H3V18H15V15H17V18A2,2 0 0,1 15,20H3A2,2 0 0,1 1,18Z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="black" content="M10,4H4C2.89,4 2,4.89 2,6V18A2,2 0 0,0 4,20H20A2,2 0 0,0 22,18V8C22,6.89 21.1,6 20,6H12L10,4Z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="white" content="M1008 6.286q18.857 13.714 15.429 36.571l-146.286 877.714q-2.857 16.571-18.286 25.714-8 4.571-17.714 4.571-6.286 0-13.714-2.857l-258.857-105.714-138.286 168.571q-10.286 13.143-28 13.143-7.429 0-12.571-2.286-10.857-4-17.429-13.429t-6.571-20.857v-199.429l493.714-605.143-610.857 528.571-225.714-92.571q-21.143-8-22.857-31.429-1.143-22.857 18.286-33.714l950.857-548.571q8.571-5.143 18.286-5.143 11.429 0 20.571 6.286z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath content="M20.71,4.04C21.1,3.65 21.1,3 20.71,2.63L18.37,0.29C18,-0.1 17.35,-0.1 16.96,0.29L15,2.25L18.75,6M17.75,7L14,3.25L4,13.25V17H7.75L17.75,7Z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="black" content="M19,13H13V19H11V13H5V11H11V5H13V11H19V13Z" />
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.shape.SVGPath?>
-<javafx.scene.shape.SVGPath fill="black" content="M17.65,6.35C16.2,4.9 14.21,4 12,4A8,8 0 0,0 4,12A8,8 0 0,0 12,20C15.73,20 18.84,17.45 19.73,14H17.65C16.83,16.33 14.61,18 12,18A6,6 0 0,1 6,12A6,6 0 0,1 12,6C13.66,6 15.14,6.69 16.22,7.78L13,11H20V4L17.65,6.35Z" />
Author	SHA1	Message	Date
huanghongxun	5f686f7205	Fix crash when modpack to be installed is malformed.	2018-09-26 13:13:44 +08:00
huanghongxun	518969d2f2	Fix JsonParseException	2018-09-26 13:13:21 +08:00
huanghongxun	01ff1327f7	Make head displayed more precisely	2018-09-25 12:30:21 +08:00
huanghongxun	4d366397a8	Merge pull request #457 from andylizi/add-helmet-support 支持在头像中显示头盔层	2018-09-24 17:28:17 +08:00
huanghongxun	80f79d20a5	Update message UI	2018-09-24 17:26:02 +08:00
huanghongxun	1611d11544	Fix crash when yggdrasil server gives response with malformed UUID	2018-09-24 17:24:13 +08:00
andylizi	c8e8b25c85	Adjust `faceOffset` in skin preview	2018-09-24 15:34:48 +08:00
andylizi	92cfc3c1d3	Make skin preview more accurate	2018-09-24 13:47:59 +08:00
huanghongxun	c4cebe72b4	Show bubble when updates available	2018-09-24 01:51:14 +08:00
andylizi	6d346a3ad6	Render helmet layer in skin preview. Fixed #456	2018-09-23 22:53:23 +08:00
huanghongxun	6e2696dea3	Merge branch 'javafx' of https://github.com/huanghongxun/HMCL into javafx	2018-09-22 22:26:14 +08:00
huanghongxun	ba67c968cf	Change version selection list look	2018-09-22 22:25:53 +08:00
huanghongxun	332719f49a	Fix closing page	2018-09-22 21:40:16 +08:00
yushijinhun	fb18975c5c	Fix param table in readme	2018-09-22 21:08:03 +08:00
yushijinhun	08a7c27353	Fix config file is checked before created	2018-09-22 21:05:50 +08:00
yushijinhun	4c9cb99a94	Add hmcl.self_integrity_check.disable option	2018-09-22 21:05:50 +08:00
huanghongxun	cbecca5f55	Merge pull request #455 from yushijinhun/javafx 重构	2018-09-22 18:12:18 +08:00
yushijinhun	4a0831a155	Replace Properties with InvocationDispatcher & Make config saving async	2018-09-22 14:21:17 +08:00
yushijinhun	fa38c53915	Remove Constants.SYSTEM_CHARSET	2018-09-22 12:54:15 +08:00
yushijinhun	e7c2170ce3	Fix getSteve/AlexSkin ignores scaleRatio param	2018-09-22 12:53:02 +08:00
yushijinhun	9b69fe8c56	Remove Constants.DEFAULT_ICON	2018-09-22 12:52:30 +08:00
yushijinhun	ed91771594	Remove truePredicate/falsePredicate/emptyConsumer	2018-09-22 12:39:57 +08:00
yushijinhun	b33e014f71	Move GSON const to JsonUtils	2018-09-22 12:37:03 +08:00
yushijinhun	19632ac162	Move JsonUtils->gson, JarUtils->io, Properties->javafx	2018-09-22 12:33:18 +08:00
yushijinhun	74e3a9e2d1	Use http.agent to set useragent	2018-09-22 12:30:33 +08:00
yushijinhun	b15291dc57	Refactor util package structure	2018-09-22 12:12:06 +08:00
huanghongxun	1b5d4c1b42	Improve UI details	2018-09-22 00:18:55 +08:00
huanghongxun	923924638e	Add a close button to close all pages	2018-09-20 22:54:41 +08:00
huanghongxun	8b52c46664	Merge resources.zip to allow multiple datapack zip containing resources.zip	2018-09-20 00:12:41 +08:00
huanghongxun	aa8c386cdd	Support zip file in datapacks folder	2018-09-19 23:02:27 +08:00
huanghongxun	bafe17107c	Fix loading empty repository	2018-09-19 16:31:17 +08:00
huanghongxun	9c169fb560	Add a separator to separate launch button and popup button	2018-09-19 10:46:14 +08:00
huanghongxun	61ab8a6769	Fix NPE when first start	2018-09-19 00:20:32 +08:00
huanghongxun	b1cd7057db	Add a convenient entrance to launch other version	2018-09-19 00:16:21 +08:00
huanghongxun	d426952d47	Fix Minecraft jar does not exist when renaming a version	2018-09-19 00:12:44 +08:00
huanghongxun	67b6a60382	Fix bugs with world.	2018-09-17 16:30:27 +08:00
huanghongxun	9d5da5a39d	Try again when decorator is not initialized.	2018-09-17 16:28:52 +08:00
huanghongxun	efb14572d6	Fix selected profile automatically changes to Home	2018-09-17 16:28:01 +08:00
huanghongxun	bc3ae5cc7d	Add link to hmcl documentation page	2018-09-16 14:12:52 +08:00
huanghongxun	9752dea0e1	Merge pull request #454 from yushijinhun/javafx 重构	2018-09-16 13:46:31 +08:00
huanghongxun	9afdc99157	Support single datapack zip	2018-09-16 13:15:54 +08:00
huanghongxun	07febc18d4	World and datapacks management	2018-09-16 12:38:15 +08:00
yushijinhun	68fdfb36fd	Add selectedItemPropertyFor(ComboBox)	2018-09-16 00:52:03 +08:00
yushijinhun	09287f9c72	Rename WeakListenerHelper to WeakListenerHolder	2018-09-15 23:24:42 +08:00
yushijinhun	4a5ac1b899	Remove Settings.logLines	2018-09-15 23:18:59 +08:00
yushijinhun	afad520669	Move ProxyManager.proxyProperty initialization to init()	2018-09-15 23:13:25 +08:00
yushijinhun	9950bef260	Change type of downloadType to string	2018-09-15 23:05:37 +08:00
Yuhui Huang	1753b4d27e	Datapack resolving	2018-09-14 15:44:40 +08:00
Yellow Fish	2bfc85b18f	Fixed NPE mentioned in #451	2018-09-13 01:13:20 +08:00
Yellow Fish	24f3dec453	Fixed #450	2018-09-12 21:37:27 +08:00
huangyuhui	4e6237c062	Fixed #448	2018-09-11 19:26:36 +08:00
huangyuhui	5cbde9cc33	Fix not on FX user thread	2018-09-09 19:38:14 +08:00
huangyuhui	25d79a94f8	Move specialize and globalize VersionSetting to HMCLGameRepository	2018-09-09 18:55:01 +08:00
huangyuhui	a5997be9c4	Fix crash when selectedVersion set to empty string	2018-09-09 18:35:10 +08:00
huangyuhui	c679667079	Fix crash when the game version is too long	2018-09-09 18:24:05 +08:00
huangyuhui	6b311c679d	Fixed #446	2018-09-08 22:14:06 +08:00