com.google.gwt.sample.dynatablemvp.client.presenter.EditContactPresenter.java Source code

Introduction

Here is the source code for com.google.gwt.sample.dynatablemvp.client.presenter.EditContactPresenter.java

Source

package com.google.gwt.sample.dynatablemvp.client.presenter;

//import pegasus.bop.sprint.client.event.ContactUpdatedEvent;
//import pegasus.bop.sprint.client.event.EditContactCancelledEvent;
//import pegasus.bop.sprint.shared.DynaTableRequestFactory;
//import pegasus.bop.sprint.shared.PersonProxy;

import java.util.Arrays;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.sample.dynatablemvp.client.event.ContactUpdatedEvent;
import com.google.gwt.sample.dynatablemvp.client.event.EditContactCancelledEvent;
import com.google.gwt.sample.dynatablemvp.shared.DynaTableRequestFactory;
import com.google.gwt.sample.dynatablemvp.shared.PersonProxy;
import com.google.gwt.sample.dynatablemvp.shared.PersonRelation;
import com.google.gwt.user.client.ui.HasValue;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.Window;
import com.google.web.bindery.requestfactory.shared.Receiver;
import com.google.web.bindery.requestfactory.shared.ServerFailure;

public class EditContactPresenter implements Presenter {
    public interface Display {
        HasClickHandlers getSaveButton();

        HasClickHandlers getCancelButton();

        HasValue<String> getFirstName();

        HasValue<String> getLastName();

        HasValue<String> getEmailAddress();

        Widget asWidget();
    }

    private PersonProxy contact;
    private final DynaTableRequestFactory requests;
    private final HandlerManager eventBus;
    private final Display display;

    public EditContactPresenter(DynaTableRequestFactory rpcService, HandlerManager eventBus, Display display) {
        this.requests = rpcService;
        this.eventBus = eventBus;
        this.contact = null;
        this.display = display;
        bind();
    }

    public EditContactPresenter(DynaTableRequestFactory rpcService, HandlerManager eventBus, Display display,
            Integer id) {
        this.requests = rpcService;
        this.eventBus = eventBus;
        this.display = display;
        bind();

        //      Request<PersonProxy> person = rpcService.schoolCalendarRequest().findPerson(id);

        rpcService.schoolCalendarRequest()
                .findPerson(id,
                        Arrays.asList(PersonRelation.ADDRESS, PersonRelation.SHEDULE, PersonRelation.MENTOR))
                .fire(new Receiver<PersonProxy>() {
                    @Override
                    public void onFailure(ServerFailure error) {
                        // TODO Auto-generated method stub
                        super.onFailure(error);
                        Window.alert("Error retrieving contact");
                    }

                    @Override
                    public void onSuccess(PersonProxy result) {
                        contact = result;
                        EditContactPresenter.this.display.getFirstName().setValue(contact.getFirstName());
                        EditContactPresenter.this.display.getLastName().setValue(contact.getLastName());
                        EditContactPresenter.this.display.getEmailAddress()
                                .setValue(contact.getAddress().getEmail());
                    }
                });

    }

    public void bind() {
        this.display.getSaveButton().addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                doSave();
            }
        });

        this.display.getCancelButton().addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                eventBus.fireEvent(new EditContactCancelledEvent());
            }
        });
    }

    public void go(final HasWidgets container) {
        container.clear();
        container.add(display.asWidget());
    }

    private void doSave() {
        if (contact == null) {
            Window.alert("contact is null!");
            return;
        }
        contact.setFirstName(display.getFirstName().getValue());
        contact.setLastName(display.getLastName().getValue());
        contact.getAddress().setEmail(display.getEmailAddress().getValue());
        requests.personRequest().persist(contact).fire(new Receiver<Integer>() {

            @Override
            public void onFailure(ServerFailure error) {
                // TODO Auto-generated method stub
                super.onFailure(error);
                Window.alert("Error updating contact");
            }

            @Override
            public void onSuccess(Integer response) {
                eventBus.fireEvent(new ContactUpdatedEvent(contact));
            }
        });
    }

}