/*
* Copyright 2000-2016 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.tests.components.grid;
import java.util.ArrayList;
import java.util.List;
import com.vaadin.data.provider.DataProvider;
import com.vaadin.data.provider.ListDataProvider;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.tests.util.Person;
import com.vaadin.ui.Button;
import com.vaadin.ui.Grid;
public class GridItemSetChange extends AbstractReindeerTestUI {
@Override
protected void setup(VaadinRequest request) {
Grid<Person> grid = new Grid<>();
grid.addColumn(Person::getFirstName);
grid.addColumn(Person::getLastName);
List<Person> persons = new ArrayList<>();
Person person = new Person();
person.setFirstName("Foo");
person.setLastName("Bar");
persons.add(person);
ListDataProvider<Person> provider = DataProvider.ofCollection(persons);
grid.setDataProvider(provider);
addComponent(grid);
addComponent(new Button("Reset", event -> {
persons.clear();
person.setLastName("Baz");
persons.add(person);
provider.refreshAll();
}));
addComponent(new Button("Modify", event -> {
person.setLastName("Spam");
provider.refreshItem(person);
}));
}
}