package org.jboss.errai.cdi.demo.mvp.client;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
import org.jboss.errai.cdi.demo.mvp.client.event.AddContactEvent;
import org.jboss.errai.cdi.demo.mvp.client.event.AddContactEventHandler;
import org.jboss.errai.cdi.demo.mvp.client.event.ContactUpdatedEvent;
import org.jboss.errai.cdi.demo.mvp.client.event.ContactUpdatedEventHandler;
import org.jboss.errai.cdi.demo.mvp.client.event.EditContactCancelledEvent;
import org.jboss.errai.cdi.demo.mvp.client.event.EditContactCancelledEventHandler;
import org.jboss.errai.cdi.demo.mvp.client.event.EditContactEvent;
import org.jboss.errai.cdi.demo.mvp.client.event.EditContactEventHandler;
import org.jboss.errai.cdi.demo.mvp.client.presenter.ContactsPresenter;
import org.jboss.errai.cdi.demo.mvp.client.presenter.EditContactPresenter;
import org.jboss.errai.cdi.demo.mvp.client.presenter.Presenter;
import org.jboss.errai.ioc.client.container.IOCBeanDef;
import org.jboss.errai.ioc.client.container.IOCBeanManager;
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.user.client.History;
import com.google.gwt.user.client.ui.HasWidgets;
@ApplicationScoped
public class AppController implements Presenter, ValueChangeHandler<String> {
@Inject
private IOCBeanManager manager;
@Inject
private HandlerManager eventBus;
private HasWidgets container;
public 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(String id) {
History.newItem("edit", false);
IOCBeanDef<EditContactPresenter> bean = manager.lookupBean(EditContactPresenter.class);
EditContactPresenter presenter = null;
if (bean != null) {
presenter = bean.getInstance();
}
if (presenter != null) {
presenter.go(container, id);
}
}
private void doEditContactCancelled() {
History.newItem("list");
}
private void doContactUpdated() {
History.newItem("list");
}
public void go(final HasWidgets container) {
this.container = container;
bind();
if ("".equals(History.getToken())) {
History.newItem("list");
} else {
History.fireCurrentHistoryState();
}
}
public void onValueChange(ValueChangeEvent<String> event) {
String token = event.getValue();
if (token != null) {
Presenter presenter = null;
if (token.equals("list")) {
IOCBeanDef<ContactsPresenter> bean = manager.lookupBean(ContactsPresenter.class);
if (bean != null) {
presenter = bean.getInstance();
}
} else if (token.equals("add") || token.equals("edit")) {
IOCBeanDef<EditContactPresenter> bean = manager.lookupBean(EditContactPresenter.class);
if (bean != null) {
presenter = bean.getInstance();
}
}
if (presenter != null) {
presenter.go(container);
}
}
}
}