package be.nikiroo.jvcard.i18n;
-import java.util.HashMap;
-import java.util.Map;
-
-import com.googlecode.lanterna.input.KeyStroke;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.lang.reflect.Field;
+import java.util.Locale;
+import java.util.ResourceBundle;
+import be.nikiroo.jvcard.resources.Bundles;
import be.nikiroo.jvcard.tui.UiColors;
+import com.googlecode.lanterna.input.KeyStroke;
+
/**
- * This class manages the translation of {@link Trans#StringId}s into
+ * This class manages the translation of {@link Trans.StringId}s into
* user-understandable text.
*
* @author niki
*
*/
public class Trans {
- static private Object lock = new Object();
- static private Trans instance = null;
-
- private Map<StringId, String> map = null;
+ ResourceBundle map;
/**
- * An enum representing information to be translated to the user.
- *
- * @author niki
- *
+ * Create a translation service with the default language.
*/
- public enum StringId {
- DUMMY, // <-- TODO : remove
- KEY_ACTION_BACK, KEY_ACTION_HELP, // MainWindow
- KEY_ACTION_VIEW_CARD, // FileList
- KEY_ACTION_VIEW_CONTACT, KEY_ACTION_EDIT_CONTACT, KEY_ACTION_SAVE_CARD, KEY_ACTION_DELETE_CONTACT, KEY_ACTION_SEARCH, // ContactList
- DEAULT_FIELD_SEPARATOR, DEAULT_FIELD_SEPARATOR_NOUTF, // MainContentList
- KEY_ACTION_INVERT, KEY_ACTION_FULLSCREEN, // ContactDetails
- KEY_ACTION_SWITCH_FORMAT, // multi-usage
- NULL; // Special usage
-
- public String trans() {
- return Trans.getInstance().trans(this);
- }
- };
+ public Trans() {
+ setLanguage(null);
+ }
/**
- * Get the (unique) instance of this class.
+ * Create a translation service for the given language. (Will fall back to
+ * the default one i not found.)
*
- * @return the (unique) instance
+ * @param language
+ * the language to use
*/
- static public Trans getInstance() {
- synchronized (lock) {
- if (instance == null)
- instance = new Trans();
- }
-
- return instance;
+ public Trans(String language) {
+ setLanguage(language);
}
/**
StringId id = stringId;
if (!UiColors.getInstance().isUnicode()) {
try {
- id = StringId.valueOf(stringId.toString() + "_NOUTF");
+ id = StringId.valueOf(stringId.name() + "_NOUTF");
} catch (IllegalArgumentException iae) {
// no special _NOUTF version found
}
}
- if (map.containsKey(id)) {
- return map.get(id);
+ if (id == StringId.NULL) {
+ return "";
+ }
+
+ if (id == StringId.DUMMY) {
+ return "[dummy]";
+ }
+
+ if (map.containsKey(id.name())) {
+ return map.getString(id.name());
}
return id.toString();
if (UiColors.getInstance().isUnicode())
keyTrans = " ⤶ ";
else
- keyTrans = "ENT";
+ keyTrans = trans(StringId.KEY_ENTER);
break;
case Tab:
if (UiColors.getInstance().isUnicode())
keyTrans = " ↹ ";
else
- keyTrans = "TAB";
+ keyTrans = trans(StringId.KEY_TAB);
break;
case Character:
return keyTrans;
}
- private Trans() {
- map = new HashMap<StringId, String>();
-
- // TODO: get from a file instead?
- map.put(StringId.NULL, "");
- map.put(StringId.DUMMY, "[dummy]");
- // we could use: " ", "┃", "│"...
- map.put(StringId.DEAULT_FIELD_SEPARATOR, "┃");
- map.put(StringId.DEAULT_FIELD_SEPARATOR_NOUTF, "|");
- map.put(StringId.KEY_ACTION_BACK, "Back");
- map.put(StringId.KEY_ACTION_HELP, "Help");
- map.put(StringId.KEY_ACTION_VIEW_CONTACT, "Open");
- map.put(StringId.KEY_ACTION_VIEW_CARD, "Open");
- map.put(StringId.KEY_ACTION_EDIT_CONTACT, "Edit");
- map.put(StringId.KEY_ACTION_DELETE_CONTACT, "Delete");
- map.put(StringId.KEY_ACTION_SWITCH_FORMAT, "Change view");
- map.put(StringId.KEY_ACTION_INVERT, "Invert colours");
- map.put(StringId.KEY_ACTION_FULLSCREEN, "Fullscreen");
- map.put(StringId.KEY_ACTION_SEARCH, "Search");
+ /**
+ * Initialise the translation mappings for the given language.
+ *
+ * @param lang
+ * the language to initialise
+ */
+ private void setLanguage(String lang) {
+ Locale locale = null;
+
+ if (lang == null) {
+ locale = Locale.getDefault();
+ } else {
+ locale = Locale.forLanguageTag(lang);
+ }
+
+ map = Bundles.getBundle("resources", locale);
+ }
+
+ /**
+ * Create/update the translation .properties files. Will use the most likely
+ * candidate as base if the file does not already exists (for instance,
+ * "en_US" will use "en" as a base).
+ *
+ * @param args
+ * the path where the .properties files are, then the languages
+ * to create/update
+ *
+ * @throws IOException
+ * in case of IO errors
+ */
+ public static void main(String[] args) throws IOException {
+ String path = args[0];
+ for (int i = 1; i < args.length; i++) {
+ Locale locale = Locale.forLanguageTag(args[i].replaceAll("_", "-"));
+ String code = locale.toString();
+ Trans trans = new Trans(code);
+
+ File file = null;
+ if (code.length() > 0) {
+ file = new File(path + "resources_" + code + ".properties");
+ } else {
+ // Default properties file:
+ file = new File(path + "resources.properties");
+ }
+
+ BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(
+ new FileOutputStream(file), "UTF-8"));
+
+ String name = locale.getDisplayCountry(locale);
+ if (name.length() == 0)
+ name = locale.getDisplayLanguage(locale);
+ if (name.length() == 0)
+ name = "default";
+
+ if (code.length() > 0) {
+ name = name + " (" + code + ")";
+ }
+
+ writer.append("# " + name + " translation file (UTF-8)\n");
+ writer.append("# \n");
+ writer.append("# Note that any key can be doubled with a _NOUTF suffix\n");
+ writer.append("# to use when the flag --noutf is passed\n");
+ writer.append("# \n");
+ writer.append("# Also, the comments always refer to the key below them.\n");
+ writer.append("# \n");
+ writer.append("\n");
+
+ for (Field field : StringId.class.getDeclaredFields()) {
+ Meta meta = field.getAnnotation(Meta.class);
+ if (meta != null) {
+ StringId id = StringId.valueOf(field.getName());
+ String info = getMetaInfo(meta);
+ if (info != null) {
+ writer.append(info);
+ writer.append("\n");
+ }
+
+ writer.append(id.name());
+ writer.append(" = ");
+ if (!trans.trans(id).equals(id.name()))
+ writer.append(trans.trans(id));
+ writer.append("\n");
+ }
+ }
+
+ writer.close();
+ }
+ }
+
+ /**
+ * Return formated, display-able information from the {@link Meta} field
+ * given. Each line will always starts with a "#" character.
+ *
+ * @param meta
+ * the {@link Meta} field
+ *
+ * @return the information to display or NULL if none
+ */
+ private static String getMetaInfo(Meta meta) {
+ String what = meta.what();
+ String where = meta.where();
+ String format = meta.format();
+ String info = meta.info();
+
+ int opt = what.length() + where.length() + format.length();
+ if (opt + info.length() == 0)
+ return null;
+
+ StringBuilder builder = new StringBuilder();
+ builder.append("# ");
+
+ if (opt > 0) {
+ builder.append("(");
+ if (what.length() > 0) {
+ builder.append("WHAT: " + what);
+ if (where.length() + format.length() > 0)
+ builder.append(", ");
+ }
+
+ if (where.length() > 0) {
+ builder.append("WHERE: " + where);
+ if (format.length() > 0)
+ builder.append(", ");
+ }
+
+ if (format.length() > 0) {
+ builder.append("FORMAT: " + format);
+ }
+
+ builder.append(")\n# ");
+ }
+
+ builder.append(info);
+
+ return builder.toString();
}
+
+ /**
+ * The enum representing textual information to be translated to the user as
+ * a key.
+ *
+ * Note that each key that should be translated MUST be annotated with a
+ * {@link Meta} annotation.
+ *
+ * @author niki
+ *
+ */
+ public enum StringId {
+ DUMMY, // <-- TODO : remove
+ NULL, // Special usage, no annotations so it is not visible in
+ // .properties files
+ @Meta(what = "a key to press", where = "action keys", format = "MUST BE 3 chars long", info = "Tab key")
+ KEY_TAB, // keys
+ @Meta(what = "a key to press", where = "action keys", format = "MUST BE 3 chars long", info = "Enter key")
+ KEY_ENTER, //
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_BACK, // MainWindow
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_HELP, //
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_VIEW_CARD, // FileList
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_VIEW_CONTACT, // ContactList
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_EDIT_CONTACT, //
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_SAVE_CARD, //
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_DELETE_CONTACT, //
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_SEARCH, //
+ @Meta(what = "", where = "", format = "", info = "we could use: ' ', ┃, │...")
+ DEAULT_FIELD_SEPARATOR, // MainContentList
+ @Meta(what = "", where = "", format = "", info = "")
+ DEAULT_FIELD_SEPARATOR_NOUTF, //
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_INVERT, // ContactDetails
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_FULLSCREEN, //
+ @Meta(what = "", where = "", format = "", info = "")
+ KEY_ACTION_SWITCH_FORMAT, // multi-usage
+ };
}