tt9/src/org/nyanya/android/traditionalt9/LangHelper.java

package org.nyanya.android.traditionalt9;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

public class LangHelper {
    protected static final Locale RUSSIAN = new Locale("ru","RU");
    protected static final Locale UKRAINIAN = new Locale("uk","UA");    
  public enum LANGUAGE {
    // MAKE SURE THESE MATCH WITH values/const.xml
    // (index, id) Where index is index in arrays like LOCALES and MUST increment and MUST be in
    // the same order as arrays.xml/pref_lang_values, and id is the identifier used in
    // the database and such. id should never change unless database update is done.
    // id MUST increment in doubles (as the enabled languages are stored as an integer)
    NONE(-1, -1), EN(0,1), RU(1,2), DE(2,4), FR(3,8), IT(4,16), UK(5,32);
    public final int index;
    public final int id;
    // lookup map
    private static final Map<Integer, LANGUAGE> lookup = new HashMap<Integer, LANGUAGE>();
    private static final LANGUAGE[] ids = LANGUAGE.values();
    static { for (LANGUAGE l : ids) lookup.put(l.id, l); }

    private LANGUAGE(int index, int id) { this.index = index; this.id = id; }

    public static LANGUAGE get(int i) { return lookup.get(i);}
  }

  protected static final Locale[] LOCALES = {Locale.ENGLISH, RUSSIAN, Locale.GERMAN, Locale.FRENCH, Locale.ITALIAN, UKRAINIAN};

  public static final int LANG_DEFAULT = LANGUAGE.EN.id;

  protected static final int NLANGS = LANGUAGE.lookup.size();

  protected static String getString(int lang) {
        return LANGUAGE.get(lang).name();
    }

  protected static int getIndex(LANGUAGE l) {
    return l.index;
  }

    //[LANG][MODE][CAPSMODE] = iconref
    // first group en, first line LANG, second line TEXT, last line NUM
    protected static final int[][][] ICONMAP = {
      {
          //English resources
          {R.drawable.ime_en_lang_lower, R.drawable.ime_en_lang_single, R.drawable.ime_en_lang_upper},
          {R.drawable.ime_en_text_lower, R.drawable.ime_en_text_single, R.drawable.ime_en_text_upper},
          {R.drawable.ime_number},
      },
      {
          // Russian resources
          {R.drawable.ime_ru_lang_lower, R.drawable.ime_ru_lang_single, R.drawable.ime_ru_lang_upper}, //LANG
          {R.drawable.ime_ru_text_lower, R.drawable.ime_ru_text_single, R.drawable.ime_ru_text_upper}, //TEXT
          {R.drawable.ime_number}, //NUM
      },
      {
          // German resources
          {R.drawable.ime_de_lang_lower, R.drawable.ime_de_lang_single, R.drawable.ime_de_lang_upper}, //LANG
          {R.drawable.ime_en_text_lower, R.drawable.ime_en_text_single, R.drawable.ime_en_text_upper}, //TEXT
          {R.drawable.ime_number}, //NUM
      },
      {
          // French resources
          {R.drawable.ime_fr_lang_lower, R.drawable.ime_fr_lang_single, R.drawable.ime_fr_lang_upper}, //LANG
          {R.drawable.ime_en_text_lower, R.drawable.ime_en_text_single, R.drawable.ime_en_text_upper}, //TEXT
          {R.drawable.ime_number}, //NUM
      },
      {
          // Italian resources
          {R.drawable.ime_it_lang_lower, R.drawable.ime_it_lang_single, R.drawable.ime_it_lang_upper}, //LANG
          {R.drawable.ime_en_text_lower, R.drawable.ime_en_text_single, R.drawable.ime_en_text_upper}, //TEXT
          {R.drawable.ime_number}, //NUM
      },
      {
          // Ukrainian resources
          {R.drawable.ime_uk_lang_lower, R.drawable.ime_uk_lang_single, R.drawable.ime_uk_lang_upper}, //LANG
          {R.drawable.ime_ru_text_lower, R.drawable.ime_ru_text_single, R.drawable.ime_ru_text_upper}, //TEXT
          {R.drawable.ime_number}, //NUM
      },
    };

  public static LANGUAGE[] buildLangs(int i) {
    int num = 0;
    //calc size of filtered array
    for (LANGUAGE l : LANGUAGE.ids) {
      if ((i & l.id) == l.id) {
        num++;
      }
    }
    LANGUAGE[] la = new LANGUAGE[num];
    int lai = 0;
    for (LANGUAGE l : LANGUAGE.ids) {
      if ((i & l.id) == l.id) {
        la[lai] = l;
        lai++;
      }
    }
    return la;
  }

  public static int shrinkLangs(LANGUAGE[] langs) {
    int i = 0;
    for (LANGUAGE l : langs)
      i = i | l.id;
    return i;
  }
  public static int shrinkLangs(int[] langs) {
    int i = 0;
    for (int l : langs)
      i = i | l;
    return i;
  }

  protected static int findIndex(LANGUAGE[] ia, LANGUAGE target) {
    for (int x=0; x<ia.length; x++) {
      if (ia[x] == target)
        return x;
    }
    return 0;
  }
}