package com.vaadin.tests.tickets; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.CustomLayout; import com.vaadin.ui.Label; import com.vaadin.ui.LegacyWindow; public class Ticket1775 extends com.vaadin.server.LegacyApplication { @Override public void init() { final LegacyWindow main = new LegacyWindow("#1775"); setMainWindow(main); setTheme("tests-tickets"); String layoutName = "Ticket1775"; final CustomLayout layout = new CustomLayout(layoutName); main.addComponent(layout); Button button2 = new Button("Populate content"); main.addComponent(button2); final Button button = new Button("Change content"); main.addComponent(button); button2.addListener(new Button.ClickListener() { @Override public void buttonClick(ClickEvent event) { Label mainComponent = new Label("Main"); Label header = new Label("Header"); final Label anotherComponent = new Label("another"); layout.addComponent(mainComponent, "body"); layout.addComponent(header, "loginUser"); button.addListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent event) { layout.addComponent(anotherComponent, "body"); layout.removeComponent("loginUser"); } }); } }); } }