com.google.gwt.sample.dynatablemvp.client.AppController.java Source code

Introduction

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

Source

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

import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.sample.dynatablemvp.client.event.AddContactEvent;
import com.google.gwt.sample.dynatablemvp.client.event.AddContactEventHandler;
import com.google.gwt.sample.dynatablemvp.client.event.ContactUpdatedEvent;
import com.google.gwt.sample.dynatablemvp.client.event.ContactUpdatedEventHandler;
import com.google.gwt.sample.dynatablemvp.client.event.EditContactCancelledEvent;
import com.google.gwt.sample.dynatablemvp.client.event.EditContactCancelledEventHandler;
import com.google.gwt.sample.dynatablemvp.client.event.EditContactEvent;
import com.google.gwt.sample.dynatablemvp.client.event.EditContactEventHandler;
import com.google.gwt.sample.dynatablemvp.client.presenter.DynaTableMvpPresenter;
import com.google.gwt.sample.dynatablemvp.client.presenter.EditContactPresenter;
import com.google.gwt.sample.dynatablemvp.client.presenter.PersonEditorWorkflowPresenter;
import com.google.gwt.sample.dynatablemvp.client.presenter.Presenter;
import com.google.gwt.sample.dynatablemvp.client.view.DynaTableMvpView;
import com.google.gwt.sample.dynatablemvp.client.view.EditContactView;
import com.google.gwt.sample.dynatablemvp.client.view.PersonEditorWorkflow;
import com.google.gwt.sample.dynatablemvp.client.widgets.ErrorDialog;
import com.google.gwt.sample.dynatablemvp.shared.DynaTableRequestFactory;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.web.bindery.requestfactory.gwt.client.RequestFactoryLogHandler;
import com.google.web.bindery.requestfactory.shared.LoggingRequest;

public class AppController implements Presenter, ValueChangeHandler<String> {
    private final HandlerManager eventBus;
    private final DynaTableRequestFactory requests;
    private HasWidgets container;
    private PersonEditorWorkflowPresenter personEditor;

    public AppController(DynaTableRequestFactory requests, HandlerManager eventBus) {
        this.eventBus = eventBus;
        this.requests = requests;
        bind();
    }

    private void bind() {
        History.addValueChangeHandler(this);

        eventBus.addHandler(AddContactEvent.TYPE, new AddContactEventHandler() {
            public void onAddContact(AddContactEvent event) {
                doAddNewContact();
            }
        });

        eventBus.addHandler(EditContactEvent.TYPE, new EditContactEventHandler() {
            public void onEditContact(EditContactEvent event) {
                doEditContact(event.getId());
            }
        });

        eventBus.addHandler(EditContactCancelledEvent.TYPE, new EditContactCancelledEventHandler() {
            public void onEditContactCancelled(EditContactCancelledEvent event) {
                doEditContactCancelled();
            }
        });

        eventBus.addHandler(ContactUpdatedEvent.TYPE, new ContactUpdatedEventHandler() {
            public void onContactUpdated(ContactUpdatedEvent event) {
                doContactUpdated();
            }
        });
    }

    private void doAddNewContact() {
        History.newItem("add");
    }

    private void doEditContact(Integer id) {
        History.newItem("edit", false);
        Presenter presenter = new EditContactPresenter(requests, eventBus, new EditContactView(), id);
        presenter.go(container);
    }

    private void doEditContactCancelled() {
        History.newItem("list");
    }

    private void doContactUpdated() {
        History.newItem("list");
    }

    @Override
    public void go(final HasWidgets container) {
        this.container = container;

        if ("".equals(History.getToken())) {
            History.newItem("list");
        } else {
            History.fireCurrentHistoryState();
        }
    }

    @Override
    public void onValueChange(ValueChangeEvent<String> event) {
        String token = event.getValue();

        if (token != null) {
            DynaTableMvpPresenter presenter = null;

            if (token != null && token.equalsIgnoreCase("list")) {
                // Add remote logging handler
                RequestFactoryLogHandler.LoggingRequestProvider provider = new RequestFactoryLogHandler.LoggingRequestProvider() {
                    public LoggingRequest getLoggingRequest() {
                        return requests.loggingRequest();
                    }
                };
                final ErrorDialog errorDialog = new ErrorDialog();
                Logger.getLogger("").addHandler(errorDialog.getHandler());
                Logger.getLogger("")
                        .addHandler(new RequestFactoryLogHandler(provider, Level.WARNING, new ArrayList<String>()));
                container.add(errorDialog);

                presenter = new DynaTableMvpPresenter(requests, eventBus, new DynaTableMvpView(),
                        new BrowserManager());
                personEditor = new PersonEditorWorkflowPresenter(requests, eventBus, new PersonEditorWorkflow(),
                        presenter.getFavoritesManager());
            }

            if (presenter != null) {
                presenter.go(container);
                personEditor.go(container);
            }
        }
    }
}