+ /**
+ * Set the new selected radio button. 1-based.
+ *
+ * @param id ID of the selected button, or 0 to unselect
+ */
+ public void setSelected(final int id) {
+ if ((id < 0) || (id > getChildren().size())) {
+ return;
+ }
+
+ if (id == 0) {
+ for (TWidget widget: getChildren()) {
+ ((TRadioButton) widget).setSelected(false);
+ }
+ selectedButton = null;
+ return;
+ }
+ assert ((id > 0) && (id <= getChildren().size()));
+ TRadioButton button = (TRadioButton) (getChildren().get(id - 1));
+ button.setSelected(true);
+ selectedButton = button;
+ }
+