Java tutorial
/** * Copyright 2011 Colin Alworth * * 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.acme.gwt.client.presenter; import com.acme.gwt.client.TvGuideRequestFactory; import com.acme.gwt.client.place.ShowDetailPlace; import com.acme.gwt.client.view.ShowDetailView; import com.acme.gwt.shared.TvEpisodeProxy; import com.acme.gwt.shared.TvShowProxy; import com.google.gwt.activity.shared.AbstractActivity; import com.google.gwt.event.shared.EventBus; import com.google.gwt.place.shared.PlaceController; import com.google.gwt.requestfactory.shared.Receiver; import com.google.gwt.user.client.History; import com.google.gwt.user.client.ui.AcceptsOneWidget; import com.google.inject.Inject; import com.google.inject.assistedinject.Assisted; /** * @author colin * */ public class ShowDetailPresenter extends AbstractActivity implements ShowDetailView.Presenter { @Inject ShowDetailView view; @Inject TvGuideRequestFactory rf; @Inject PlaceController placeController; private final ShowDetailPlace place; @Inject public ShowDetailPresenter(@Assisted ShowDetailPlace place) { this.place = place; } @Override public void start(final AcceptsOneWidget panel, EventBus eventBus) { view.setPresenter(this); //load it and show it rf.find(place.getId()).with(view.getEditor().getPaths()).to(new Receiver<TvShowProxy>() { @Override public void onSuccess(TvShowProxy response) { //deal with data, wire into view view.getEditor().display(response); //show view panel.setWidget(view); } }).fire(); } @Override public void focusEpisode(TvEpisodeProxy episode) { //TODO make a EpisodeDetailPlace around the entity id, push it //placeController.goTo(...); } @Override public void back() { History.back(); } }