package com.vaadin.tests.components.combobox; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.tests.components.TestBase; import com.vaadin.ui.ComboBox; public class ComboBoxEnablesComboBox extends TestBase { private ComboBox cb2; @Override protected void setup() { ComboBox cb = new ComboBox("Always enabled"); cb.setImmediate(true); populate(cb); cb.addListener(new ValueChangeListener() { @Override public void valueChange(ValueChangeEvent event) { cb2.setEnabled(true); } }); cb2 = new ComboBox("Initially disabled"); cb2.setImmediate(true); cb2.setEnabled(false); populate(cb2); addComponent(cb); addComponent(cb2); } private void populate(ComboBox cb) { for (int i = 1; i < 10; i++) { cb.addItem("Item " + i); } } @Override protected String getDescription() { return "Selecting an item in the first combobox enables the second."; } @Override protected Integer getTicketNumber() { return 4632; } }