package com.vaadin.tests.components.grid; import java.util.ArrayList; import java.util.List; import com.vaadin.tests.components.AbstractTestUIWithLog; import com.vaadin.tests.data.bean.Person; import com.vaadin.ui.Grid; import com.vaadin.ui.renderers.NumberRenderer; /** * @author Vaadin Ltd * */ public abstract class SimpleGridUI extends AbstractTestUIWithLog { protected Grid createGrid() { Grid grid = new Grid<>(); grid.addColumn(Person::getFirstName); grid.addColumn(Person::getAge, new NumberRenderer()); grid.setItems(createPersons()); return grid; } protected List createPersons() { List persons = new ArrayList<>(); Person person = new Person(); person.setFirstName("Nicolaus Copernicus"); person.setAge(1543); persons.add(person); person = new Person(); person.setFirstName("Galileo Galilei"); person.setAge(1564); persons.add(person); person = new Person(); person.setFirstName("Johannes Kepler"); person.setAge(1571); persons.add(person); return persons; } }