#1 Preferences menu for manual language change

android/assets/application/text/application.properties

+language_system=Systémový jazyk
+language_czech=Čeština
+language_slovak=Slovenština
+
 mainmenu_games=Hry
 mainmenu_halloffame=Síň slávy
 mainmenu_statistics=Statistiky
 mainmenu_encyclopedia=Encyklopedie
+mainmenu_preferences=Nastavení
 mainmenu_about=O aplikaci
 mainmenu_logout=Odhlásit
 

android/assets/application/text/application_sk_SK.properties

+language_system=Systémový jazyk
+language_czech=Čeština
+language_slovak=Slovenčina
+
 mainmenu_games=Hry
 mainmenu_halloffame=Sieň slávy
 mainmenu_statistics=Štatistiky
 mainmenu_encyclopedia=Encyklopédia
+mainmenu_preferences=Nastavenie
 mainmenu_about=O aplikácií
 mainmenu_logout=Odhlásiť
 

android/assets/application/text/language_sk_SK.properties

+language_label=Jazyk:

android/assets/application/text/preferences.properties

+language_label=Jazyk:

core/src/cz/nic/tablexia/TablexiaSettings.java

@@ -5,6 +5,7 @@ import com.badlogic.gdx.Preferences;
 
 import java.util.Locale;
 
+import cz.nic.tablexia.loader.ApplicationTextManager;
 import cz.nic.tablexia.util.Log;
 
 public class TablexiaSettings {
@@ -46,18 +47,20 @@ public class TablexiaSettings {
 
     public enum LocaleDefinition {
 
-        SYSTEM  (null, "system"),
-        cs_CZ   (new Locale("cs", "CZ"), "cs_CZ"),
-        sk_SK   (new Locale("sk", "SK"), "sk_SK");
+        SYSTEM  (null, "system", ApplicationTextManager.LANGUAGE_SYSTEM),
+        cs_CZ   (new Locale("cs", "CZ"), "cs_CZ", ApplicationTextManager.LANGUAGE_CZECH),
+        sk_SK   (new Locale("sk", "SK"), "sk_SK", ApplicationTextManager.LANGUAGE_SLOVAK);
 
         private final static LocaleDefinition   FALLBACK_VARIANT = LocaleDefinition.SYSTEM;
 
         private final Locale locale;
         private final String localeKey;
+        private final String descriptionKey;
 
-        private LocaleDefinition(Locale locale, String localeKey) {
+        private LocaleDefinition(Locale locale, String localeKey, String descriptionKey) {
             this.locale = locale;
             this.localeKey = localeKey;
+            this.descriptionKey = descriptionKey;
         }
 
         public String getLocaleKey() {
@@ -68,6 +71,15 @@ public class TablexiaSettings {
             return locale != null ? locale : instance.systemLocale;
         }
 
+        @Override
+        public String toString() {
+            if (ApplicationTextManager.getInstance().update()) {
+                return ApplicationTextManager.getInstance().getResult().get(descriptionKey);
+            } else {
+                return name();
+            }
+        }
+
         public static LocaleDefinition getLocaleDefinitionForKey(String key) {
             for(LocaleDefinition localeDefinition: LocaleDefinition.values()) {
                 if (localeDefinition.localeKey.equals(key)) {
@@ -157,6 +169,10 @@ public class TablexiaSettings {
         preferences.flush();
     }
 
+    public LocaleDefinition getLocaleDefinition() {
+        return selectedLocale;
+    }
+
     public Locale getLocale() {
         return selectedLocale.getLocale();
     }

core/src/cz/nic/tablexia/loader/ApplicationTextManager.java

@@ -18,14 +18,18 @@ import cz.nic.tablexia.util.Log;
  */
 public class ApplicationTextManager extends AbstractDataManager<I18NBundle> implements IApplicationLoader {
 	
-	private static final String ROBBERY_TEXT = "application/text/application";
+	private static final String APPLICATION_TEXT_RESOURCE_FILE = "application/text/application";
 
-	private static class RobberyTextLoader implements AsyncTask<I18NBundle> {
+    public static final String LANGUAGE_SYSTEM = "language_system";
+    public static final String LANGUAGE_CZECH  = "language_czech";
+    public static final String LANGUAGE_SLOVAK = "language_slovak";
+
+	private static class ApplicationTextLoader implements AsyncTask<I18NBundle> {
 
 		private String textResourceFileName;
 		private Locale locale;
 
-		public RobberyTextLoader(String textResourceFileName, Locale locale) {
+		public ApplicationTextLoader(String textResourceFileName, Locale locale) {
 			this.textResourceFileName = textResourceFileName;
 			this.locale = locale;
 		}
@@ -50,7 +54,7 @@ public class ApplicationTextManager extends AbstractDataManager<I18NBundle> impl
 	
 	public void load(Locale locale) {
         Log.info(getClass(), "Loading application texts with locale: " + locale);
-        setAsyncTask(new RobberyTextLoader(ROBBERY_TEXT, locale));
+        setAsyncTask(new ApplicationTextLoader(APPLICATION_TEXT_RESOURCE_FILE, locale));
 	}
 	
 	@Override

core/src/cz/nic/tablexia/menu/MainMenuDefinition.java

@@ -12,6 +12,7 @@ public enum MainMenuDefinition implements ApplicationEvent, IMenuItem {
 	HALL_OF_FAME		("mainmenu_halloffame", 	null, true),
 	STATISTICS			("mainmenu_statistics", 	null, true),
 	ENCYCLOPEDIA		("mainmenu_encyclopedia", 	null, true),
+    PREFERENCES	        ("mainmenu_preferences",	null, true),
 	ABOUT_APPLICATION	("mainmenu_about", 			null, true),
 	LOGOUT				("mainmenu_logout", 		null, true);
 

core/src/cz/nic/tablexia/screen/ScreenDefinition.java

@@ -9,6 +9,7 @@ import cz.nic.tablexia.screen.about.AboutScreen;
 import cz.nic.tablexia.screen.encyclopedia.EncyclopediaScreen;
 import cz.nic.tablexia.screen.gamemenu.GameMenuScreen;
 import cz.nic.tablexia.screen.halloffame.HallOfFameScreen;
+import cz.nic.tablexia.screen.preferences.PreferencesScreen;
 import cz.nic.tablexia.screen.statistics.StatisticsScreen;
 
 public enum ScreenDefinition {
@@ -17,6 +18,7 @@ public enum ScreenDefinition {
 	HALL_OF_FAME		(HallOfFameScreen.class,	MainMenuDefinition.HALL_OF_FAME),
 	STATISTICS			(StatisticsScreen.class,	MainMenuDefinition.STATISTICS),
 	ENCYCLOPEDIA		(EncyclopediaScreen.class, 	MainMenuDefinition.ENCYCLOPEDIA),
+    PREFERENCES	        (PreferencesScreen.class, 	MainMenuDefinition.PREFERENCES),
 	ABOUT_APPLICATION	(AboutScreen.class, 		MainMenuDefinition.ABOUT_APPLICATION);
 	
 	private Class<? extends AbstractTablexiaScreen<?>> 	screenClass;

core/src/cz/nic/tablexia/screen/preferences/PreferencesScreen.java

+package cz.nic.tablexia.screen.preferences;
+
+import com.badlogic.gdx.graphics.Color;
+import com.badlogic.gdx.graphics.g2d.BitmapFont;
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
+import com.badlogic.gdx.scenes.scene2d.Actor;
+import com.badlogic.gdx.scenes.scene2d.ui.Container;
+import com.badlogic.gdx.scenes.scene2d.ui.Label;
+import com.badlogic.gdx.scenes.scene2d.ui.List;
+import com.badlogic.gdx.scenes.scene2d.ui.ScrollPane;
+import com.badlogic.gdx.scenes.scene2d.ui.SelectBox;
+import com.badlogic.gdx.scenes.scene2d.ui.Table;
+import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
+import com.badlogic.gdx.scenes.scene2d.utils.TextureRegionDrawable;
+
+import cz.nic.tablexia.TablexiaSettings;
+import cz.nic.tablexia.graphics.ColorTexture;
+import cz.nic.tablexia.loader.ApplicationFontManager;
+import cz.nic.tablexia.loader.CommonAssets;
+import cz.nic.tablexia.screen.AbstractTablexiaScreen;
+
+public class PreferencesScreen extends AbstractTablexiaScreen<Void> {
+
+    private static final String BACKGROUND_TEXTURE  = CommonAssets.WOODEN_BACKGOURND;
+    public static final String  TEXT_RESOURCES_FILE = "application/text/preferences";
+    public static final String  LANGUAGE_LABEL_KEY  = "language_label";
+
+    private Container<Table> preferencesContainer;
+
+    @Override
+    protected void prepareScreenTextureAssetNames(java.util.List<String> texturesFileNames) {
+        texturesFileNames.add(BACKGROUND_TEXTURE);
+    }
+
+    @Override
+    protected String prepareScreenTextResourcesAssetName() {
+        return TEXT_RESOURCES_FILE;
+    }
+
+    @Override
+    protected void screenLoaded() {
+        BitmapFont          font        = ApplicationFontManager.getInstance().get(ApplicationFontManager.FONT_ROBOTO_REGULAR, BitmapFont.class);
+        Label.LabelStyle    labelStyle  = new Label.LabelStyle(font, Color.WHITE);
+
+        preferencesContainer = new Container<Table>();
+        preferencesContainer.setBackground(new TextureRegionDrawable(new TextureRegion(getTexture(BACKGROUND_TEXTURE))));
+        getStage().addActor(preferencesContainer);
+
+        Table preferencesLayout = new Table();
+        preferencesContainer.setActor(preferencesLayout);
+        preferencesContainer.left().top();
+        preferencesContainer.pad(getStage().getWidth() / 10);
+
+        // Languages Label
+        Label languagesLabel = new Label(getText(LANGUAGE_LABEL_KEY), labelStyle);
+        preferencesLayout.add(languagesLabel);
+
+        // Languages SelectBox
+        ScrollPane.ScrollPaneStyle scrollPaneStyle = new ScrollPane.ScrollPaneStyle();
+        scrollPaneStyle.background = new TextureRegionDrawable(new TextureRegion(new ColorTexture(50, 50, Color.GRAY)));
+        List.ListStyle listStyle = new List.ListStyle();
+        listStyle.selection = new TextureRegionDrawable(new TextureRegion(new ColorTexture(50, 50, Color.GRAY)));
+        listStyle.font = font;
+        SelectBox.SelectBoxStyle selectBoxStyle = new SelectBox.SelectBoxStyle();
+        selectBoxStyle.font = font;
+        selectBoxStyle.scrollStyle = scrollPaneStyle;
+        selectBoxStyle.listStyle = listStyle;
+        selectBoxStyle.background = new TextureRegionDrawable(new TextureRegion(new ColorTexture(50, 50, Color.GRAY)));
+        SelectBox<TablexiaSettings.LocaleDefinition> languagesSelectBox = new SelectBox<TablexiaSettings.LocaleDefinition>(selectBoxStyle);
+        languagesSelectBox.setItems(TablexiaSettings.LocaleDefinition.values());
+        languagesSelectBox.setSelected(TablexiaSettings.getInstance().getLocaleDefinition());
+        languagesSelectBox.addCaptureListener(new ChangeListener() {
+
+            @Override
+            public void changed(ChangeEvent event, Actor actor) {
+                TablexiaSettings.getInstance().setLocale(((SelectBox<TablexiaSettings.LocaleDefinition>) event.getTarget()).getSelected());
+            }
+        });
+        preferencesLayout.add(languagesSelectBox).expandX().left();
+    }
+
+    @Override
+    public void screenResized(int width, int height) {
+        preferencesContainer.setBounds(0, 0, getStage().getWidth(), getStage().getHeight());
+    }
+}