org.staticioc.samples.gwt.client.presenter.ContactsPresenterImpl.java Source code

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Here is the source code for org.staticioc.samples.gwt.client.presenter.ContactsPresenterImpl.java

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/**
 *  Copyright (C) 2013 Charles Gibault
 *
 *  Static IoC - Compile XML based inversion of control configuration file into a single init class, for many languages.
 *  Project Home : http://code.google.com/p/static-ioc/
 *
 *  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 org.staticioc.samples.gwt.client.presenter;

import java.util.List;

import org.staticioc.samples.gwt.client.Messages;
import org.staticioc.samples.gwt.client.events.ContactChangeEvent;
import org.staticioc.samples.gwt.client.places.ReportingPlace;
import org.staticioc.samples.gwt.client.service.ContactsServiceAsync;
import org.staticioc.samples.gwt.client.view.EditableListView;
import org.staticioc.samples.gwt.client.view.MessagePopUpView;
import org.staticioc.samples.gwt.shared.model.Contact;

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

public class ContactsPresenterImpl extends AbstractActivity
        implements EditableListView.Presenter<Contact>, MessagePopUpView.Presenter {

    private EditableListView<Contact> contactsView;
    private MessagePopUpView errorView;
    private ContactsServiceAsync contactsService;
    private Messages messages;
    private EventBus eventBus;
    private PlaceController placeController;

    @Override
    public void onAddButtonClicked(final Contact contact) {
        // Display add Contact pop-up
        contactsService.addContact(contact, new AsyncCallback<List<Contact>>() {
            public void onFailure(Throwable caught) {
                displayError(
                        messages.errorAddingContactMessage((contact != null) ? contact.getLastName() : "null"));
            }

            @Override
            public void onSuccess(List<Contact> contacts) {
                contactsView.setModel(contacts);
                contactsView.resetUserInput();
                eventBus.fireEvent(new ContactChangeEvent(contact, ContactChangeEvent.Action.CREATE));
            }
        });
    }

    @Override
    public void onDeleteButtonClicked(final Contact contact) {
        contactsService.deleteContact(contact, new AsyncCallback<List<Contact>>() {
            public void onFailure(Throwable caught) {
                displayError(
                        messages.errorDeletingContactMessage((contact != null) ? contact.getLastName() : "null"));
            }

            @Override
            public void onSuccess(List<Contact> contacts) {
                contactsView.setModel(contacts);
                eventBus.fireEvent(new ContactChangeEvent(contact, ContactChangeEvent.Action.DELETE));
            }
        });

    }

    public void fetchContacts() {
        contactsService.retrieveContacts(new AsyncCallback<List<Contact>>() {
            public void onFailure(Throwable caught) {
                displayError(messages.errorRetrievingContactsMessage());
            }

            @Override
            public void onSuccess(List<Contact> contacts) {
                contactsView.setModel(contacts);
            }
        });

    }

    @Override
    public void setState(Place place) {
        //Nothing to do:  we're stateless
    }

    @Override
    public void onOkButtonClicked() {
        errorView.hide();
    }

    @Override
    public void onReportingButtonClicked() {
        placeController.goTo(new ReportingPlace("contacts"));
    }

    @Override
    public void display(AcceptsOneWidget container) {
        container.setWidget(contactsView.asWidget());
        fetchContacts();
    }

    @Override
    public void start(AcceptsOneWidget containerWidget, EventBus eventbus) {
        display(containerWidget);
    }

    protected void displayError(String message) {
        errorView.setModel(message);
        errorView.show();
    }

    public void setContactsView(EditableListView<Contact> contactsView) {
        this.contactsView = contactsView;
    }

    public void setErrorView(MessagePopUpView errorView) {
        this.errorView = errorView;
    }

    public void setContactsService(ContactsServiceAsync contactsService) {
        this.contactsService = contactsService;
    }

    public void setMessages(Messages messages) {
        this.messages = messages;
    }

    public void setEventBus(EventBus eventBus) {
        this.eventBus = eventBus;
    }

    public void setPlaceController(PlaceController placeController) {
        this.placeController = placeController;
    }
}