- /*
- * 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 java.util.Random;
-
- import com.vaadin.data.provider.DataProvider;
- import com.vaadin.data.provider.ListDataProvider;
- import com.vaadin.server.VaadinRequest;
- import com.vaadin.tests.components.AbstractTestUI;
- import com.vaadin.tests.fieldgroup.ComplexPerson;
- import com.vaadin.ui.Button;
- import com.vaadin.ui.Grid;
-
- public class GridDataSourceReset extends AbstractTestUI {
-
- private List<ComplexPerson> persons;
- private Grid<ComplexPerson> grid;
-
- @Override
- protected void setup(VaadinRequest request) {
- persons = createPersons(10, new Random(1));
-
- grid = new Grid<>();
- ListDataProvider<ComplexPerson> provider = DataProvider
- .ofCollection(persons);
- grid.setDataProvider(provider);
- grid.getSelectionModel().select(persons.get(0));
- addComponent(new Button("Remove first", event -> {
- persons.remove(0);
-
- provider.refreshAll();
- grid.getSelectionModel().select(persons.get(0));
- }));
-
- addComponent(grid);
- }
-
- public static List<ComplexPerson> createPersons(int count, Random r) {
- List<ComplexPerson> c = new ArrayList<>();
- for (int i = 0; i < count; ++i) {
- c.add(ComplexPerson.create(r));
- }
- return c;
- }
- }
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