/**
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* 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.jboss.errai.demo.grocery.client.local;
import com.google.common.collect.ImmutableMultimap;
import com.google.gwt.dom.client.Style;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.InlineLabel;
import com.google.gwt.user.client.ui.Label;
import org.jboss.errai.databinding.client.api.DataBinder;
import org.jboss.errai.databinding.client.api.InitialState;
import org.jboss.errai.demo.grocery.client.shared.Store;
import org.jboss.errai.ui.client.widget.HasModel;
import org.jboss.errai.ui.cordova.events.touch.GestureUtility;
import org.jboss.errai.ui.cordova.events.touch.longtap.LongTapEvent;
import org.jboss.errai.ui.cordova.events.touch.longtap.LongTapHandler;
import org.jboss.errai.ui.cordova.events.touch.swipe.*;
import org.jboss.errai.ui.nav.client.local.TransitionTo;
import org.jboss.errai.ui.shared.api.annotations.*;
import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import static com.google.gwt.dom.client.Style.Unit.PX;
@Dependent
@Templated("#main")
public class StoreWidget extends Composite implements HasModel<Store> {
@Inject
private @AutoBound DataBinder<Store> storeBinder;
@Inject
private @Bound @DataField Label name;
@Inject
private @Bound @DataField InlineLabel address;
@Inject
private @DataField Label departments;
@Inject
private @DataField Button deleteButton;
@Inject
private TransitionTo<StorePage> toStorePage;
private @DataField Element panel = DOM.createDiv();
private boolean editMode;
@Inject
EntityManager em;
@Override
public Store getModel() {
return storeBinder.getModel();
}
@PostConstruct
public void init() {
final GestureUtility gestureUtility = new GestureUtility(this);
gestureUtility.addLongTapHandler(new LongTapHandler() {
@Override
public void onLongTap(LongTapEvent event) {
switchMode();
}
});
final Style style = StoreWidget.this.getElement().getStyle();
gestureUtility.addSwipeMoveHandler(new SwipeMoveHandler() {
@Override
public void onSwipeMove(SwipeMoveEvent event) {
int distance;
switch (event.getDirection()) {
case LEFT_TO_RIGHT:
distance = event.getDistance();
break;
case RIGHT_TO_LEFT:
distance = -event.getDistance();
break;
case TOP_TO_BOTTOM:
case BOTTOM_TO_TOP:
default:
distance = 0;
}
style.setLeft(distance, PX);
}
});
gestureUtility.addSwipeEndHandler(new SwipeEndHandler() {
@Override
public void onSwipeEnd(SwipeEndEvent event) {
if (event.isDistanceReached()) {
deleteThisStore();
}
else {
style.setLeft(0, PX);
}
}
});
}
@Override
public void setModel(Store store) {
if (store.getName() == null || store.getName().trim().length() == 0) {
store.setName("Unnamed Store"); // XXX this side effect is not in a great place
}
storeBinder.setModel(store, InitialState.FROM_MODEL);
departments.setText(String.valueOf(store.getDepartments().size()));
}
@EventHandler("deleteButton")
private void deleteThisStore(ClickEvent e) {
deleteThisStore();
}
private void deleteThisStore() {
//remove detached entity
em.remove(em.find(Store.class, getModel().getId()));
em.flush();
}
@EventHandler
private void onClick(ClickEvent e) {
toStorePage.go(ImmutableMultimap.of("id", String.valueOf(storeBinder.getModel().getId())));
}
public void switchMode() {
if (editMode) {
panel.addClassName("edit");
} else {
panel.removeClassName("edit");
}
editMode = !editMode;
}
}