package com.vaadin.v7.tests.components.grid; import java.util.Random; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractTestUI; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.v7.data.util.BeanItemContainer; import com.vaadin.v7.ui.Grid; import com.vaadin.v7.ui.Grid.SelectionMode; public class GridSubPixelProblemWrapping extends AbstractTestUI { Random r = new Random(); public static class DataObject { String foo; String Bar; public DataObject(Random r) { foo = r.nextInt() + ""; Bar = r.nextInt() + ""; } public DataObject(String foo, String bar) { this.foo = foo; Bar = bar; } public String getFoo() { return foo; } public void setFoo(String foo) { this.foo = foo; } public String getBar() { return Bar; } public void setBar(String bar) { Bar = bar; } } Button button = new Button("Click", new ClickListener() { @Override public void buttonClick(ClickEvent event) { addDAO(); } }); private BeanItemContainer container; private int counter = 0; @Override protected void setup(VaadinRequest request) { addComponent(button); container = new BeanItemContainer<>(DataObject.class); container.addBean(new DataObject("Foo", "Bar")); Grid grid = new Grid(container); grid.getColumn("foo").setWidth(248.525); grid.setSelectionMode(SelectionMode.SINGLE); grid.setEditorEnabled(true); grid.setWidth("500px"); addComponent(grid); } private void addDAO() { counter++; container.addBean(new DataObject("Foo" + counter, "Bar" + counter)); } }