package com.vaadin.tests.components.grid; import java.util.stream.IntStream; import com.vaadin.annotations.Widgetset; import com.vaadin.server.VaadinRequest; import com.vaadin.shared.MouseEventDetails; import com.vaadin.tests.components.AbstractTestUIWithLog; import com.vaadin.tests.data.bean.Person; import com.vaadin.tests.widgetset.TestingWidgetSet; import com.vaadin.tests.widgetset.client.grid.GridClickExtensionConnector; import com.vaadin.ui.Grid; import com.vaadin.ui.Grid.AbstractGridExtension; import com.vaadin.ui.Grid.Column; import com.vaadin.ui.Grid.SelectionMode; import elemental.json.JsonObject; @Widgetset(TestingWidgetSet.NAME) public class GridExtensionCommunication extends AbstractTestUIWithLog { public class GridClickExtension extends AbstractGridExtension { public GridClickExtension(Grid grid) { extend(grid); registerRpc(new GridClickExtensionConnector.GridClickServerRpc() { @Override public void click(String row, String column, MouseEventDetails click) { Person person = getData(row); Column col = grid.getColumns() .get(Integer.parseInt(column)); log("Click on Person " + person.getFirstName() + " " + person.getLastName() + " on column " + col.getId()); log("MouseEventDetails: " + click.getButtonName() + " (" + click.getClientX() + ", " + click.getClientY() + ")"); } }); } @Override public void generateData(Person item, JsonObject jsonObject) { } } @Override protected void setup(VaadinRequest request) { Grid grid = new Grid<>(); grid.addColumn(Person::getFirstName).setId("first").setCaption("first"); grid.addColumn(Person::getLastName).setId("second") .setCaption("second"); grid.setItems(IntStream.range(1, 51).mapToObj(this::createPerson)); grid.setSelectionMode(SelectionMode.NONE); new GridClickExtension(grid); addComponent(grid); } private Person createPerson(int index) { Person person = new Person(); person.setFirstName("first name " + index); person.setLastName("last name " + index); return person; } }