Java tutorial
/** * Copyright 2013 ArcBees Inc. * * 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.gwtplatform.carstore.client.application.cars.car; import java.util.List; import javax.inject.Inject; import com.google.gwt.editor.client.Editor; import com.google.gwt.editor.client.SimpleBeanEditorDriver; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.ValueListBox; import com.google.gwt.user.client.ui.Widget; import com.gwtplatform.carstore.client.application.cars.car.CarPresenter.MyView; import com.gwtplatform.carstore.client.application.cars.car.widget.CarPropertiesEditor; import com.gwtplatform.carstore.client.application.manufacturer.ui.ManufacturerRenderer; import com.gwtplatform.carstore.shared.dto.CarDto; import com.gwtplatform.carstore.shared.dto.ManufacturerDto; import com.gwtplatform.mvp.client.ViewWithUiHandlers; public class CarMobileView extends ViewWithUiHandlers<CarUiHandlers> implements MyView, Editor<CarDto> { interface Binder extends UiBinder<Widget, CarMobileView> { } interface Driver extends SimpleBeanEditorDriver<CarDto, CarMobileView> { } @UiField TextBox model; @UiField(provided = true) ValueListBox<ManufacturerDto> manufacturer; @UiField CarPropertiesEditor carProperties; private final Driver driver; @Inject CarMobileView(Binder uiBinder, Driver driver) { manufacturer = new ValueListBox<ManufacturerDto>(new ManufacturerRenderer()); this.driver = driver; initWidget(uiBinder.createAndBindUi(this)); driver.initialize(this); model.getElement().setAttribute("placeholder", "Model"); } @Override public void edit(CarDto carDto) { if (carDto.getManufacturer() == null) { carDto.setManufacturer(manufacturer.getValue()); } driver.edit(carDto); } @Override public void setAllowedManufacturers(List<ManufacturerDto> manufacturerDtos) { manufacturer.setValue(manufacturerDtos.isEmpty() ? null : manufacturerDtos.get(0)); manufacturer.setAcceptableValues(manufacturerDtos); } @Override public void resetFields(CarDto carDto) { driver.edit(carDto); } @Override public void getCar() { getUiHandlers().onSave(driver.flush()); } }