package com.vaadin.tests.components.customcomponent; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractReindeerTestUI; import com.vaadin.ui.Button; import com.vaadin.ui.CustomComponent; import com.vaadin.ui.Label; import com.vaadin.ui.Panel; public class CustomComponentChildVisibility extends AbstractReindeerTestUI { @Override protected void setup(VaadinRequest request) { Label label = new Label("In panel"); label.setId("label"); final CustomComponent cc = new CustomComponent( new Panel("In CustomComponent", label)); Button hideButton = new Button("Hide CustomComponent"); hideButton.addClickListener(event -> cc.setVisible(false)); addComponent(cc); addComponent(hideButton); } @Override protected String getTestDescription() { // TODO Auto-generated method stub return null; } @Override protected Integer getTicketNumber() { // TODO Auto-generated method stub return null; } }