import java.util.List;
/**
+ * Container that collects {@link Runnable}s that change the texts of GUI
+ * components when the current locale has changed.
+ *
* @author David ‘Bombe’ Roden <bombe@freenetproject.org>
*/
public class I18nContainer implements Iterable<Runnable> {
+ /** The container singleton. */
private static final I18nContainer singleton = new I18nContainer();
+
+ /** The list of runnables that change texts. */
private final List<Runnable> i18nRunnables = Collections.synchronizedList(new ArrayList<Runnable>());
+
+ /**
+ * The list of runnables that change texts and run after
+ * {@link #i18nRunnables}.
+ */
private final List<Runnable> i18nPostRunnables = Collections.synchronizedList(new ArrayList<Runnable>());
+ /**
+ * Returns the singleton instance.
+ *
+ * @return The singleton instance
+ */
public static I18nContainer getInstance() {
return singleton;
}
+ /**
+ * Registers an i18n runnable that is run when the current locale has
+ * changed.
+ *
+ * @param i18nRunnable
+ * The runnable to register
+ */
public void registerRunnable(Runnable i18nRunnable) {
i18nRunnables.add(i18nRunnable);
}
+ /**
+ * Registers a {@link Runnable} that changes texts when the current locale
+ * has changed and runs after {@link #i18nRunnables} have run.
+ *
+ * @param i18nPostRunnable
+ * The runnable to register
+ */
public void registerPostRunnable(Runnable i18nPostRunnable) {
i18nPostRunnables.add(i18nPostRunnable);
}
+ /**
+ * {@inheritDoc}
+ * <p>
+ * Returns a combined list of {@link #i18nRunnables} and
+ * {@link #i18nPostRunnables}, in that order.
+ */
public Iterator<Runnable> iterator() {
List<Runnable> allRunnables = new ArrayList<Runnable>();
allRunnables.addAll(i18nRunnables);