package org.jboss.errai.demo.grocery.client.local;
import com.google.common.collect.ImmutableMultimap;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import org.jboss.errai.demo.grocery.client.shared.Store;
import org.jboss.errai.ui.client.widget.ListWidget;
import org.jboss.errai.ui.nav.client.local.Page;
import org.jboss.errai.ui.nav.client.local.TransitionTo;
import org.jboss.errai.ui.shared.api.annotations.DataField;
import org.jboss.errai.ui.shared.api.annotations.EventHandler;
import org.jboss.errai.ui.shared.api.annotations.Templated;
import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import java.util.List;
import static org.jboss.errai.demo.grocery.client.local.producer.StoreListProducer.StoreChangedEvent;
@Dependent
@Templated("#root")
@Page
public class StoresPage extends Composite {
@Inject private EntityManager em;
@Inject TransitionTo<StorePage> toStorePage;
@Inject @DataField ListWidget<Store, StoreWidget> storeList;
@Inject @DataField Button addStoreButton;
@PostConstruct
private void initInstance() {
List<Store> allStores = em.createNamedQuery("allStores", Store.class).getResultList();
storeList.setItems(allStores);
}
public void storeListChanged(@Observes StoreChangedEvent event) {
storeList.setItems(event.getStores());
}
@EventHandler("addStoreButton")
public void onStoreAddButtonClick(ClickEvent event) {
Store newStore = new Store();
em.persist(newStore);
em.flush();
toStorePage.go(ImmutableMultimap.of("id", String.valueOf(newStore.getId())));
}
}