package com.vaadin.tests.components.abstractcomponent; import com.vaadin.server.VaadinRequest; import com.vaadin.shared.ui.ContentMode; import com.vaadin.tests.components.AbstractTestUI; import com.vaadin.ui.Button; /** * @author Vaadin Ltd * */ public class TooltipModes extends AbstractTestUI { @Override protected void setup(VaadinRequest request) { Button label = new Button("Label. Hover to see tooltip"); label.setDescription("Several\n lines\n tooltip"); addComponent(label); Button useHtml = new Button("Use Html in the tooltip", event -> label.setDescription( "