v0.4.1:

Language could be selected by user manually.
Minor changes to CSS.

src/main/java/nsusbloader/AppPreferences.java

@@ -1,5 +1,6 @@
 package nsusbloader;
 
+import java.util.Locale;
 import java.util.prefs.Preferences;
 
 public class AppPreferences {
@@ -105,4 +106,7 @@ public class AppPreferences {
 
     public boolean getTfXCI(){return preferences.getBoolean("TF_XCI", false);}
     public void setTfXCI(boolean prop){ preferences.putBoolean("TF_XCI", prop); }
+
+    public String getLanguage(){return preferences.get("USR_LANG", Locale.getDefault().getISO3Language());}
+    public void setLanguage(String langStr){preferences.put("USR_LANG", langStr);}
 }

src/main/java/nsusbloader/Controllers/SettingsController.java

@@ -1,6 +1,8 @@
 package nsusbloader.Controllers;
 
 import javafx.application.HostServices;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.concurrent.Task;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
@@ -11,9 +13,10 @@ import nsusbloader.AppPreferences;
 import nsusbloader.ServiceWindow;
 import nsusbloader.ModelControllers.UpdatesChecker;
 
+import javax.security.auth.callback.Callback;
+import java.io.File;
 import java.net.URL;
-import java.util.List;
+import java.util.*;
-import java.util.ResourceBundle;
 
 public class SettingsController implements Initializable {
 
@@ -48,6 +51,11 @@ public class SettingsController implements Initializable {
     @FXML
     private CheckBox tfXciSpprtCb;
 
+    @FXML
+    private Button langBtn;
+    @FXML
+    private ChoiceBox<String> langCB;
+
     private HostServices hs;
 
     @Override
@@ -179,6 +187,31 @@ public class SettingsController implements Initializable {
             updates.start();
         });
         tfXciSpprtCb.setSelected(AppPreferences.getInstance().getTfXCI());
+
+        // Language settings area
+        URL resourceURL = this.getClass().getResource("/");
+        String[] filesList = new File(resourceURL.getFile()).list(); // Screw it. This WON'T produce NullPointerException
+
+        ObservableList<String> langCBObsList = FXCollections.observableArrayList();
+        langCBObsList.add("eng");
+
+        for (String jarFileName : filesList)
+            if (jarFileName.startsWith("locale_"))
+                langCBObsList.add(jarFileName.substring(7, 10));
+
+        langCB.setItems(langCBObsList);
+        if (langCBObsList.contains(AppPreferences.getInstance().getLanguage()))
+            langCB.getSelectionModel().select(AppPreferences.getInstance().getLanguage());
+        else
+            langCB.getSelectionModel().select("eng");
+
+        langBtn.setOnAction(e->{
+            AppPreferences.getInstance().setLanguage(langCB.getSelectionModel().getSelectedItem());
+            ServiceWindow.getInfoNotification("",
+                    ResourceBundle.getBundle("locale", new Locale(langCB.getSelectionModel().getSelectedItem()))
+                            .getString("windowBodyRestartToApplyLang"));
+        });
+
     }
 
     public boolean getExpertModeSelected(){ return expertModeCb.isSelected(); }

src/main/java/nsusbloader/NSLMain.java

@@ -18,7 +18,7 @@ public class NSLMain extends Application {
 
         FXMLLoader loader = new FXMLLoader(getClass().getResource("/NSLMain.fxml"));
 
-        Locale userLocale = new Locale(Locale.getDefault().getISO3Language());      // NOTE: user locale based on ISO3 Language codes
+        Locale userLocale = new Locale(AppPreferences.getInstance().getLanguage());      // NOTE: user locale based on ISO3 Language codes
         ResourceBundle rb = ResourceBundle.getBundle("locale", userLocale);
 
         loader.setResources(rb);

src/main/resources/SettingsTab.fxml

@@ -3,8 +3,10 @@
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.CheckBox?>
+<?import javafx.scene.control.ChoiceBox?>
 <?import javafx.scene.control.Hyperlink?>
 <?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ScrollPane?>
 <?import javafx.scene.control.Separator?>
 <?import javafx.scene.control.TextField?>
 <?import javafx.scene.layout.AnchorPane?>
@@ -12,7 +14,10 @@
 <?import javafx.scene.layout.Pane?>
 <?import javafx.scene.layout.VBox?>
 
-<AnchorPane xmlns="http://javafx.com/javafx/8.0.141" xmlns:fx="http://javafx.com/fxml/1" fx:controller="nsusbloader.Controllers.SettingsController">
+
+<ScrollPane fitToWidth="true" xmlns="http://javafx.com/javafx/8.0.171" xmlns:fx="http://javafx.com/fxml/1" fx:controller="nsusbloader.Controllers.SettingsController">
+   <content>
+      <AnchorPane>
          <children>
             <VBox spacing="5.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
                <children>
@@ -84,6 +89,13 @@
                         <Button fx:id="checkForUpdBtn" mnemonicParsing="false" />
                      </children>
                   </HBox>
+                  <HBox alignment="CENTER_LEFT" spacing="5.0">
+                     <children>
+                        <Label text="%netTabLanguage" />
+                        <ChoiceBox fx:id="langCB" prefWidth="150.0" />
+                        <Button fx:id="langBtn" mnemonicParsing="false" text="OK" />
+                     </children>
+                  </HBox>
                   <CheckBox fx:id="tfXciSpprtCb" mnemonicParsing="false" text="%netTabAllowXciCb" />
                   <Label disable="true" text="%netTabAllowXciTextField" wrapText="true" />
                </children>
@@ -93,3 +105,5 @@
             </VBox>
          </children>
       </AnchorPane>
+   </content>
+</ScrollPane>

src/main/resources/locale.properties

@@ -43,3 +43,5 @@ windowBodyNewVersionUnknown=Something went wrong\nMaybe internet unavailable, or
 windowBodyNewVersionNOTAval=You're using the latest version
 netTabAllowXciCb=Allow XCI files selection for TinFoil
 netTabAllowXciTextField=Used by some third-party applications that support XCI and utilizes TinFoil transfer protocol. Don't change if not sure.
+netTabLanguage=Language
+windowBodyRestartToApplyLang=Please restart application to apply changes.

src/main/resources/locale_fra.properties

@@ -42,4 +42,5 @@ windowBodyNewVersionNOTAval=Vous utilisez la derni\u00E8re version
 windowBodyNewVersionUnknown=Une erreur s'est produite\nPeut-\u00EAtre des probl\u00E8mes de connexion Internet ou GitHub est en panne
 netTabAllowXciCb=Autoriser la s\u00E9lection de fichiers XCI pour TinFoil
 netTabAllowXciTextField=Utilis\u00E9 par certaines applications tierces prenant en charge XCI et utilisant le protocole de transfert TinFoil. Ne changez pas en cas de doute.
+netTabLanguage=La langue
 

src/main/resources/locale_ita.properties

@@ -5,7 +5,7 @@ logsEnteredAsMsg2=Devi essere root o avere configurato le regole 'udev' per ques
 logsFilesToUploadTitle=File da inviare:
 logsGreetingsMessage=Benvenuti in NS-USBloader
 logsNoFolderFileSelected=Nessun file selezionato: niente da inviare.
-windowBodyConfirmExit=Il trasferimento dei dati è in corso e la chiusura dell'applicazione lo interromperà.\nÈ la cosa peggiore che tu possa fare ora.\nInterrompere il processo ed uscire?
+windowBodyConfirmExit=Il trasferimento dei dati \u00E8 in corso e la chiusura dell'applicazione lo interromper\u00E0.\n\u00C8 la cosa peggiore che tu possa fare ora.\nInterrompere il processo ed uscire?
 windowTitleConfirmExit=No, non farlo!
 btnStop=Interrompi
 logsGreetingsMessage2=--\n\
@@ -13,8 +13,8 @@ Sorgenti: https://github.com/developersu/ns-usbloader/\n\
 Sito: https://developersu.blogspot.com/search/label/NS-USBloader\n\
 Dmitry Isaenko [developer.su]
 windowTitleConfirmWrongPFS0=Tipo di file non valido
-windowBodyConfirmWrongPFS0=Il file NSP selezionato ha dei simboli iniziali non validi. Probabilmente è danneggiato.\n\
+windowBodyConfirmWrongPFS0=Il file NSP selezionato ha dei simboli iniziali non validi. Probabilmente \u00E8 danneggiato.\n\
-È meglio interrompere subito il processo. Continuare comunque il processo?
+\u00C8 meglio interrompere subito il processo. Continuare comunque il processo?
 tableStatusLbl=Stato
 tableFileNameLbl=Nome file
 tableSizeLbl=Dimensione
@@ -26,18 +26,19 @@ NSIPlable=IP NS:
 netTabValidateNSHostNameCb=Convalida sempre l'input dell'IP di NS.
 windowBodyBadIp=Sei sicuro di aver inserito correttamente l'indirizzo IP di NS?
 windowTitleBadIp=Indirizzo IP di NS probabilmente sbagliato
-netTabExpertModeCb=Modalità esperto
+netTabExpertModeCb=Modalit\u00E0 esperto
 netTabHostPortLbl=porta
 netTabAutoDetectIpCb=Auto-rileva IP
 netTabRandSelectPortCb=Ottieni porta casualmente
 netTabDontServeRequestsCb=Non servire le richieste
-netTabDontServeRequestsDescription=Se selezionato, questo computer non risponderà alle richieste di file NSP in arrivo da NS (tramite rete) e userà le impostazioni dell'host definite per dire a TinFoil dove cercare i file.
+netTabDontServeRequestsDescription=Se selezionato, questo computer non risponder\u00E0 alle richieste di file NSP in arrivo da NS (tramite rete) e user\u00E0 le impostazioni dell'host definite per dire a TinFoil dove cercare i file.
 netTabHostExtraLbl=extra
 windowTitleErrorPort=Porta impostata impropriamente!
-windowBodyErrorPort=La porta non può essere 0 o maggiore di 65535.
+windowBodyErrorPort=La porta non pu\u00F2 essere 0 o maggiore di 65535.
 netTabAutoCheckForUpdates=Controllo automatico degli aggiornamenti
 windowTitleNewVersionAval=Nuova versione disponibile
 windowTitleNewVersionNOTAval=Nessuna nuova versione disponibile
 windowTitleNewVersionUnknown=Impossibile cercare nuove versioni
-windowBodyNewVersionUnknown=Qualcosa è andato storto\nForse internet non è disponibile o GitHub ha problemi
+windowBodyNewVersionUnknown=Qualcosa \u00E8 andato storto\nForse internet non \u00E8 disponibile o GitHub ha problemi
-windowBodyNewVersionNOTAval=Stai usando la versione più recente
+windowBodyNewVersionNOTAval=Stai usando la versione pi\u00F9 recente
+netTabLanguage=Linguaggio

src/main/resources/locale_kor.properties

@@ -43,3 +43,4 @@ windowBodyNewVersionUnknown=\uBB38\uC81C\uAC00 \uBC1C\uC0DD\uD588\uC2B5\uB2C8\uB
 windowBodyNewVersionNOTAval=\uCD5C\uC2E0 \uBC84\uC804\uC744 \uC0AC\uC6A9 \uC911\uC785\uB2C8\uB2E4.
 netTabAllowXciCb=TinFoil\uC5D0 \uB300\uD55C XCI \uD30C\uC77C \uC120\uD0DD \uD5C8\uC6A9
 netTabAllowXciTextField=XCI\uB97C \uC9C0\uC6D0\uD558\uACE0 TinFoil \uC804\uC1A1 \uD504\uB85C\uD1A0\uCF5C\uC744 \uC0AC\uC6A9\uD558\uB294 \uC77C\uBD80 \uD0C0\uC0AC \uC751\uC6A9 \uD504\uB85C\uADF8\uB7A8\uC5D0\uC11C \uC0AC\uC6A9\uB429\uB2C8\uB2E4. \uD655\uC2E4\uD558\uC9C0 \uC54A\uC73C\uBA74 \uBCC0\uACBD\uD558\uC9C0 \uB9C8\uC2ED\uC2DC\uC624.
+netTabLanguage=\uC5B8\uC5B4

src/main/resources/locale_por.properties

@@ -43,3 +43,4 @@ windowBodyNewVersionUnknown=Algo deu errado\nTalvez sem internet, ou github indi
 windowBodyNewVersionNOTAval=Voc\u00EA est\u00E1 usando a \u00FAltima vers\u00E3o
 netTabAllowXciCb=Permitir sele\u00E7\u00E3o de arquivos XCI para o TinFoil
 netTabAllowXciTextField=Usados por algumas aplica\u00E7\u00F5es de terceiros que suportam XCI e utilizam o protocolo de transfer\u00EAncia TinFoil. Nao mude se nao tem certeza.
+netTabLanguage=L\u00EDngua

src/main/resources/locale_rus.properties

@@ -44,4 +44,6 @@ windowBodyNewVersionNOTAval=\u0412\u044B \u0443\u0436\u0435 \u0438\u0441\u043F\u
 windowBodyNewVersionUnknown=\u0427\u0442\u043E-\u0442\u043E \u043F\u043E\u0448\u043B\u043E \u043D\u0435 \u0442\u0430\u043A.\n\u041C\u043E\u0436\u0435\u0442 \u0431\u044B\u0442\u044C \u043D\u0435\u0442 \u0438\u043D\u0442\u0435\u0440\u043D\u0435\u0442\u0430 \u0438\u043B\u0438 GitHub \u043D\u0435\u0434\u043E\u0441\u0442\u0443\u043F\u0435\u043D.
 netTabAllowXciCb=\u0420\u0430\u0437\u0440\u0435\u0448\u0438\u0442\u044C \u0432\u044B\u0431\u0438\u0440\u0430\u0442\u044C XCI \u0444\u0430\u0439\u043B\u044B \u0434\u043B\u044F TinFoil
 netTabAllowXciTextField=\u0418\u0441\u043F\u043E\u043B\u044C\u0437\u0443\u0435\u0442\u0441\u044F \u043D\u0435\u043A\u043E\u0442\u043E\u0440\u044B\u043C\u0438 \u0441\u0442\u043E\u0440\u043E\u043D\u043D\u0438\u043C\u0438 \u043F\u0440\u0438\u043B\u043E\u0436\u0435\u043D\u0438\u044F\u043C\u0438, \u043A\u043E\u0442\u043E\u0440\u044B\u0435 \u043F\u043E\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044E\u0442 XCI \u0438 \u0438\u0441\u043F\u043E\u043B\u044C\u0437\u0443\u044E\u0442 \u043F\u0440\u043E\u0442\u043E\u043A\u043E\u043B \u043F\u0435\u0440\u0435\u0434\u0430\u0447\u0438 TinFoil. \u041D\u0435 \u043C\u0435\u043D\u044F\u0439\u0442\u0435 \u0435\u0441\u043B\u0438 \u043D\u0435 \u0443\u0432\u0435\u0440\u0435\u043D\u044B.
+netTabLanguage=\u042F\u0437\u044B\u043A
+windowBodyRestartToApplyLang=\u041F\u043E\u0436\u0430\u043B\u0443\u0439\u0441\u0442\u0430, \u043F\u0435\u0440\u0435\u0437\u0430\u043F\u0443\u0441\u0442\u0438\u0442\u0435 \u043F\u0440\u0438\u043B\u043E\u0436\u0435\u043D\u0438\u0435 \u0447\u0442\u043E\u0431\u044B \u0438\u0437\u043C\u0435\u043D\u0435\u043D\u0438\u044F \u0432\u0441\u0442\u0443\u043F\u0438\u043B\u0438 \u0432 \u0441\u0438\u043B\u0443.
 

src/main/resources/locale_ukr.properties

@@ -43,3 +43,5 @@ windowBodyNewVersionNOTAval=\u0412\u0438 \u0432\u0436\u0435 \u0432\u0438\u043A\u
 windowBodyNewVersionUnknown=\u0429\u043E\u0441\u044C \u043F\u0456\u0448\u043B\u043E \u043D\u0435 \u0442\u0430\u043A.\n\u041C\u043E\u0436\u043B\u0438\u0432\u043E, \u0456\u043D\u0442\u0435\u0440\u043D\u0435\u0442 \u043D\u0435\u0434\u043E\u0441\u0442\u0443\u043F\u043D\u0438\u0439, \u0430\u0431\u043E GitHub \u043D\u0435 \u043F\u0440\u0430\u0446\u044E\u0454.
 netTabAllowXciCb=\u0414\u043E\u0437\u0432\u043E\u043B\u0438\u0442\u0438 \u0432\u0438\u0431\u0456\u0440 XCI \u0444\u0430\u0439\u043B\u0456\u0432 \u0434\u043B\u044F \u0432\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u0430\u043D\u043D\u044F \u0443 TinFoil
 netTabAllowXciTextField=\u0412\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u043E\u0432\u0443\u0454\u0442\u044C\u0441\u044F \u0434\u0435\u044F\u043A\u0438\u043C\u0438 \u0441\u0442\u043E\u0440\u043E\u043D\u043D\u0456\u043C\u0438 \u0434\u043E\u0434\u0430\u0442\u043A\u0430\u043C\u0438, \u044F\u043A\u0456 \u043F\u0456\u0434\u0442\u0440\u0438\u043C\u0443\u044E\u0442\u044C XCI \u0456 \u0432\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u043E\u0432\u0443\u044E\u0442\u044C \u043F\u0440\u043E\u0442\u043E\u043A\u043E\u043B \u043F\u0435\u0440\u0435\u0434\u0430\u0447\u0456 TinFoil. \u042F\u043A\u0449\u043E \u043D\u0435 \u0432\u043F\u0435\u0432\u043D\u0435\u043D\u0456 \u2014\u00A0\u043D\u0435 \u0437\u043C\u0456\u043D\u044E\u0439\u0442\u0435.
+netTabLanguage=\u041C\u043E\u0432\u0430
+windowBodyRestartToApplyLang=\u0411\u0443\u0434\u044C \u043B\u0430\u0441\u043A\u0430, \u043F\u0435\u0440\u0435\u0437\u0430\u043F\u0443\u0441\u0442\u0456\u0442\u044C \u0434\u043E\u0434\u0430\u0442\u043E\u043A \u0449\u043E\u0431 \u0437\u043C\u0456\u043D\u0438 \u0432\u0441\u0442\u0443\u043F\u0438\u043B\u0438 \u0432 \u0441\u0438\u043B\u0443.

src/main/resources/res/app_light.css

@@ -126,6 +126,7 @@
     -fx-border-radius: 3;
     -fx-border-width: 2;
     -fx-text-fill: #2c2c2c;
+    -fx-effect: dropshadow(three-pass-box, #eea11e, 2, 0, 0, 0);
 }
 
 // Background color of the whole context menu