package com.vaadin.tests.components.customlayout; import com.vaadin.annotations.Widgetset; import com.vaadin.server.VaadinRequest; import com.vaadin.ui.Button; import com.vaadin.ui.CustomLayout; import com.vaadin.ui.TextField; import com.vaadin.ui.UI; import com.vaadin.ui.VerticalLayout; @Widgetset("com.vaadin.DefaultWidgetSet") public class CustomLayoutUpdateCaption extends UI { @Override protected void init(VaadinRequest vaadinRequest) { CustomLayout content = new CustomLayout(); content.setTemplateContents("
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"); content.setSizeUndefined(); setContent(content); Button loginButton = new Button("Test"); final TextField username1 = new TextField(); final TextField username2 = new TextField(); username1.setCaption("initial"); username2.setCaption("initial"); content.addComponent(username1, "test1"); content.addComponent(new VerticalLayout(username2), "test2"); content.addComponent(loginButton, "okbutton"); loginButton.addClickListener(event -> { username1.setCaption("updated"); username2.setCaption("updated"); }); } }