Java tutorial
/** * Copyright 2009 the original author or authors * * 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 it.av.youeat.web.page; import it.av.youeat.YoueatConcurrentModificationException; import it.av.youeat.YoueatException; import it.av.youeat.ocm.model.Ristorante; import it.av.youeat.ocm.model.data.City; import it.av.youeat.ocm.model.data.Country; import it.av.youeat.service.CityService; import it.av.youeat.service.CountryService; import it.av.youeat.service.RistoranteService; import it.av.youeat.web.commons.AutocompleteUtils; import it.av.youeat.web.components.ButtonOpenRisto; import it.av.youeat.web.components.CityAutocompleteBox; import org.apache.commons.lang.StringUtils; import org.apache.wicket.RestartResponseAtInterceptPageException; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior; import org.apache.wicket.ajax.form.OnChangeAjaxBehavior; import org.apache.wicket.ajax.markup.html.form.AjaxFallbackButton; import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation; import org.apache.wicket.markup.ComponentTag; import org.apache.wicket.markup.html.form.DropDownChoice; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.markup.html.form.IChoiceRenderer; import org.apache.wicket.markup.html.form.RequiredTextField; import org.apache.wicket.markup.html.form.TextField; import org.apache.wicket.model.CompoundPropertyModel; import org.apache.wicket.model.Model; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.spring.injection.annot.SpringBean; import org.apache.wicket.validation.IValidatable; import org.apache.wicket.validation.IValidator; import org.apache.wicket.validation.ValidationError; /** * Edit address and contacts of {@link Ristorante}. * * @author <a href='mailto:a.vincelli@gmail.com'>Alessandro Vincelli</a> */ @AuthorizeInstantiation({ "USER", "ADMIN" }) public class RistoranteEditAddressPage extends BasePage { @SpringBean(name = "ristoranteService") private RistoranteService ristoranteService; @SpringBean(name = "countryService") private CountryService countryService; @SpringBean private CityService cityService; private Ristorante ristorante; private Form<Ristorante> form; private String cityName = ""; /** * * @param parameters */ public RistoranteEditAddressPage(PageParameters parameters) { String ristoranteId = parameters.get(YoueatHttpParams.RISTORANTE_ID).toString(""); if (StringUtils.isNotBlank(ristoranteId)) { this.ristorante = ristoranteService.getByID(ristoranteId); } else { throw new RestartResponseAtInterceptPageException(getApplication().getHomePage()); } form = new Form<Ristorante>("ristoranteForm", new CompoundPropertyModel<Ristorante>(ristorante)); form.setOutputMarkupId(true); form.add(new RequiredTextField<String>(Ristorante.NAME)); form.add(new RequiredTextField<String>(Ristorante.ADDRESS)); cityName = ristorante.getCity().getName(); CityAutocompleteBox city = new CityAutocompleteBox("city-autocomplete", AutocompleteUtils.getAutoCompleteSettings(), new Model<String>(cityName) { @Override public String getObject() { return cityName; } @Override public void setObject(String object) { cityName = (String) object; } }); // With this component the city model is updated correctly after every change city.add(new AjaxFormComponentUpdatingBehavior("onchange") { @Override protected void onUpdate(AjaxRequestTarget target) { // TODO Auto-generated method stub } }); city.add(new CityValidator()); form.add(city); form.add(new TextField<String>(Ristorante.PROVINCE)); form.add(new RequiredTextField<String>(Ristorante.POSTALCODE)); DropDownChoice<Country> country = new DropDownChoice<Country>(Ristorante.COUNTRY, countryService.getAll(), new CountryChoiceRenderer()); country.add(new OnChangeAjaxBehavior() { @Override protected void onUpdate(AjaxRequestTarget target) { } }); country.setRequired(true); form.add(country); form.add(new TextField<String>(Ristorante.PHONE_NUMBER)); form.add(new TextField<String>(Ristorante.MOBILE_PHONE_NUMBER)); form.add(new TextField<String>(Ristorante.FAX_NUMBER)); form.add(new SubmitButton("submitRestaurant", form)); add(form); add(new SubmitButton("submitRestaurantRight", form)); ButtonOpenRisto buttonOpenAddedRisto = new ButtonOpenRisto("buttonOpenAddedRisto", new Model<Ristorante>(ristorante), true); add(buttonOpenAddedRisto); ButtonOpenRisto buttonOpenAddedRistoRight = new ButtonOpenRisto("buttonOpenAddedRistoRight", new Model<Ristorante>(ristorante), true); add(buttonOpenAddedRistoRight); } private class SubmitButton extends AjaxFallbackButton { private static final long serialVersionUID = 1L; public SubmitButton(String id, Form<Ristorante> form) { super(id, form); } @Override protected void onComponentTag(ComponentTag tag) { super.onComponentTag(tag); tag.getAttributes().put("value", getString("button.update")); } @Override protected void onSubmit(AjaxRequestTarget target, Form form) { try { if (StringUtils.isNotBlank(ristorante.getId())) { City city = cityService.getByNameAndCountry(cityName, ristorante.getCountry()); if (city == null) { error("The city doesn't exist"); invalid(); } ristorante.setCity(city); ristorante = ristoranteService.updateAddress(ristorante, getLoggedInUser()); getFeedbackPanel().info(getString("info.ristoranteupdated")); } else { getFeedbackPanel().error(getString("error.onUpdate")); } form.setModelObject(ristorante); } catch (YoueatConcurrentModificationException e) { getFeedbackPanel().error(getString("error.concurrentModification")); } catch (YoueatException e) { getFeedbackPanel().error(getString("genericErrorMessage")); } if (target != null) { target.addComponent(form); target.addComponent(getFeedbackPanel()); } } @Override protected void onError(AjaxRequestTarget target, Form form) { getFeedbackPanel().anyErrorMessage(); if (target != null) { target.addComponent(getFeedbackPanel()); } } } public final Form<Ristorante> getForm() { return form; } private class CountryChoiceRenderer implements IChoiceRenderer<Country> { @Override public Object getDisplayValue(Country object) { return object.getName(); } @Override public String getIdValue(Country object, int index) { return object.getId(); } } private class CityValidator implements IValidator<String> { @Override public void validate(IValidatable<String> validatable) { Country country = form.getModel().getObject().getCountry(); if (country != null) { try { City cityValue = cityService.getByNameAndCountry(validatable.getValue(), country); if (cityValue == null) { validatable.error(new ValidationError().addMessageKey("validatioError.city")); } } catch (YoueatException e) { validatable.error(new ValidationError().addMessageKey("validatioError.city.error")); } } } } }