button.addListener("clicked", "modify", LayoutAdapter.this);
panel.addChild(comboBox, "Center");
panel.addChild(button, "East");
comboBox.setProperty("valuekey", "value");
comboBox.setListDataModel(layoutModel);
panel.recursiveSetDataModel(dataModel);
dataModel.addModelChangeListener(new ModelChangeListener() {
public void modelChanged(ModelChangeEvent e) throws GUIException {
button.setEnabled("hig".equals(dataModel.getValue("value")));
}
});