com.unilorraine.projetdevie.client.activity.SampleActivity.java Source code

Java tutorial

Introduction

Here is the source code for com.unilorraine.projetdevie.client.activity.SampleActivity.java

Source

/*******************************************************************************
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * 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.unilorraine.projetdevie.client.activity;

import java.util.ArrayList;
import java.util.List;

import com.unilorraine.projetdevie.client.ClientFactory;
import com.unilorraine.projetdevie.client.place.ApplicationPanelPlace;
import com.unilorraine.projetdevie.client.place.SamplePlace;
import com.unilorraine.projetdevie.client.service.TaskService;
import com.unilorraine.projetdevie.client.service.TaskServiceAsync;
import com.unilorraine.projetdevie.client.service.init.DBInitService;
import com.unilorraine.projetdevie.client.shared.transitentities.ITransitEntity;
import com.unilorraine.projetdevie.client.shared.transitentities.TransitLPActor;
import com.unilorraine.projetdevie.client.shared.transitentities.TransitLPInstitution;
import com.unilorraine.projetdevie.client.shared.transitentities.TransitLPProject;
import com.unilorraine.projetdevie.client.shared.transitentities.TransitLPTask;
import com.unilorraine.projetdevie.client.shared.transitentities.TransitLPUser;
import com.unilorraine.projetdevie.client.ui.AppContext;
import com.unilorraine.projetdevie.client.ui.SampleView;
import com.unilorraine.projetdevie.server.service.init.DBInitServiceImpl;

import com.google.gwt.activity.shared.AbstractActivity;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.place.shared.Place;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AcceptsOneWidget;

/**
 * Activities are started and stopped by an ActivityManager associated with a container Widget.
 */
public class SampleActivity extends AbstractActivity implements SampleView.Presenter {
    /**
     * Used to obtain views, eventBus, placeController.
     * Alternatively, could be injected via GIN.
     */
    private ClientFactory clientFactory;

    /**
     * Sample property.
     */
    private String name;

    private TaskServiceAsync taskSrv = GWT.create(TaskService.class);

    public SampleActivity(SamplePlace place, ClientFactory clientFactory) {
        this.name = place.getName();
        this.clientFactory = clientFactory;
    }

    @Override
    public void start(AcceptsOneWidget containerWidget, EventBus eventBus) {
        SampleView view = clientFactory.getSampleView();
        view.setName(name);
        view.setPresenter(this);
        containerWidget.setWidget(view.asWidget());

        initDB();
    }

    public void initDB() {

        AsyncCallback<List<ITransitEntity>> callback = new AsyncCallback<List<ITransitEntity>>() {
            @Override
            public void onFailure(Throwable caught) {
                System.out.println("Error in populating db");
            }

            @Override
            public void onSuccess(List<ITransitEntity> result) {
                //TODO we are so cheating here...

                System.out.println("Should have been populated");
                TransitLPInstitution institution = (TransitLPInstitution) result.get(0);
                TransitLPActor actor = (TransitLPActor) result.get(1);
                TransitLPUser user = (TransitLPUser) result.get(2);
                TransitLPProject project = (TransitLPProject) result.get(3);

                ApplicationPanelPlace place = new ApplicationPanelPlace("Application Panel");
                List<String> links = new ArrayList<String>();
                links.add(institution.getId());
                links.add(user.getId());
                links.add(project.getId());
                place.setAppContext(new AppContext(actor, links));
                goTo(place);
            }

        };

        // Make the call to the stock price service.
        DBInitService.Util.getInstance().initMethod(callback);

    }

    /*
    @Override
    public String mayStop() {
      return "Please hold on. This activity is stopping.";
    }
    */

    /**
     * @see SampleView.Presenter#goTo(Place)
     */
    @Override
    public void goTo(Place place) {
        clientFactory.getPlaceController().goTo(place);
    }
}