An extension of the LibGDX Table, that wraps actors added to it, based on the table's current width. Use setSize() before adding any actors.

FlowTable.java

import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.ui.Cell;
import com.badlogic.gdx.scenes.scene2d.ui.Table;

/** Like a table, but wraps widgets to new rows once the preferred width has been reached
 * @author The Paper Pilot */
public class FlowTable extends Table{
@Override
public <T extends Actor> Cell<T> add (T actor) {
	float oldWith = getWidth();
	Cell<T> cell = super.add(actor);
	while(getWidth() > oldWith) {
		removeActor(actor);
		row();
		cell = super.add(actor);
	}
	return cell;
}
}