/*
* Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
*
* 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 static com.google.gwt.dom.client.Style.Unit.PX;
import java.util.Date;
import java.util.Set;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Observes;
import javax.validation.ConstraintViolation;
import org.jboss.errai.demo.grocery.client.shared.Department;
import org.jboss.errai.demo.grocery.client.shared.Item;
import org.jboss.errai.ioc.client.api.LoadAsync;
import org.jboss.errai.ui.shared.api.annotations.EventHandler;
import org.jboss.errai.ui.shared.api.annotations.Templated;
import com.google.gwt.animation.client.Animation;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.user.client.Window;
/**
*
* @author ddadlani
*
*/
@Dependent
@Templated("ItemForm.html#form")
@LoadAsync
public class EditForm extends Form {
private Item oldItem;
private int widgetId;
@PostConstruct
private void init() {
saveButton.setText("Save Changes");
clearButton.setText("Cancel");
showOtherFields();
}
private void showOtherFields() {
if ("0px".equals(otherFields.getStyle().getHeight())) {
new Animation() {
@Override
protected void onUpdate(double progress) {
otherFields.getStyle().setHeight(Window.getClientWidth() > 768 ? 215 : 145 * progress, PX);
}
}.run(1000);
}
}
/**
* Stores old item and fills in form field suggestions with old item data
*
* @param item
* The old item values
*/
public void storeOldItem(Item item, int id) {
this.widgetId = id;
this.oldItem = item;
name.setText(oldItem.getName());
department.setText(oldItem.getDepartment().getName());
comment.setText(oldItem.getComment());
setItem(oldItem);
}
@Override
@EventHandler("saveButton")
public void onSaveButtonClicked(ClickEvent event) {
if (!isValidName())
return;
Department resolvedDepartment = Department.resolve(em, department.getText());
Item item = retrieveOldItem();
item.setDepartment(resolvedDepartment);
item.setAddedBy(user);
item.setAddedOn(new Date());
final Set<ConstraintViolation<Item>> violations = validator.validate(item);
if (violations.size() > 0) {
ConstraintViolation<Item> violation = violations.iterator().next();
overallErrorMessage.setText(violation.getPropertyPath() + " " + violation.getMessage());
overallErrorMessage.setVisible(true);
return;
}
em.merge(groceryList);
em.flush();
// hideOtherFields();
clearButton.click();
if (afterSaveAction != null) {
afterSaveAction.run();
}
}
@Override
@EventHandler("clearButton")
public void onClearButtonClicked(ClickEvent cancelEvent) {
GroceryItemWidget parentWidget = (GroceryItemWidget) this.getParent().getParent().getParent();
parentWidget.closeEditForm(oldItem);
}
public void processDeleteEvent(@Observes ItemEditNotifier notifier) {
if (notifier.isCreatedBy(widgetId)) {
if (notifier.getNotifierType() == ItemEditNotifier.EDIT_EVENT)
return;
Item removeItem = retrieveOldItem();
em.remove(removeItem);
groceryList.getItems().remove(removeItem);
em.flush();
}
return;
}
private Item retrieveOldItem() {
int itemIndex = groceryList.getItems().lastIndexOf(oldItem);
return groceryList.getItems().get(itemIndex);
}
@PreDestroy
private void toBeDestroyed() {
System.out.println("EditForm is being destroyed.");
}
}