Java tutorial
/******************************************************************************* * This file is part of the EEG-database project * * ========================================== * * Copyright (C) 2013 by University of West Bohemia (http://www.zcu.cz/en/) * * *********************************************************************************************************************** * * 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. * * *********************************************************************************************************************** * * WeatherForm.java, 2013/10/02 00:01 Jakub Rinkes ******************************************************************************/ package cz.zcu.kiv.eegdatabase.wui.ui.experiments.forms; import cz.zcu.kiv.eegdatabase.data.pojo.ResearchGroup; import cz.zcu.kiv.eegdatabase.data.pojo.Weather; import cz.zcu.kiv.eegdatabase.data.pojo.WeatherGroupRel; import cz.zcu.kiv.eegdatabase.data.pojo.WeatherGroupRelId; import cz.zcu.kiv.eegdatabase.wui.app.session.EEGDataBaseSession; import cz.zcu.kiv.eegdatabase.wui.components.utils.ResourceUtils; import cz.zcu.kiv.eegdatabase.wui.core.CoreConstants; import cz.zcu.kiv.eegdatabase.wui.core.common.WeatherFacade; import cz.zcu.kiv.eegdatabase.wui.core.group.ResearchGroupFacade; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.form.AjaxButton; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.*; import org.apache.wicket.markup.html.panel.FeedbackPanel; import org.apache.wicket.model.CompoundPropertyModel; import org.apache.wicket.model.Model; import org.apache.wicket.spring.injection.annot.SpringBean; import org.apache.wicket.validation.validator.StringValidator; import java.util.List; public class WeatherForm extends Form<Weather> { private static final long serialVersionUID = 5565668130652416049L; @SpringBean private WeatherFacade facade; @SpringBean private ResearchGroupFacade researchGroupFacade; public WeatherForm(String id, final ModalWindow window) { super(id, new CompoundPropertyModel<Weather>(new Weather())); final FeedbackPanel feedback = new FeedbackPanel("feedback"); feedback.setOutputMarkupId(true); add(feedback); add(new Label("addWeatherHeader", ResourceUtils.getModel("pageTitle.addWeatherDefinition"))); ChoiceRenderer<ResearchGroup> renderer = new ChoiceRenderer<ResearchGroup>("title", "researchGroupId"); List<ResearchGroup> choices = researchGroupFacade .getResearchGroupsWhereAbleToWriteInto(EEGDataBaseSession.get().getLoggedUser()); final DropDownChoice<ResearchGroup> researchGroupChoice = new DropDownChoice<ResearchGroup>("researchGroup", new Model<ResearchGroup>(), choices, renderer); researchGroupChoice.setRequired(true); researchGroupChoice.setLabel(ResourceUtils.getModel("label.group")); add(researchGroupChoice); TextField<String> title = new TextField<String>("title"); title.setRequired(true); title.setLabel(ResourceUtils.getModel("label.title")); add(title); TextArea<String> description = new TextArea<String>("description"); description.setRequired(true); description.setLabel(ResourceUtils.getModel("label.description")); description.add(StringValidator.maximumLength(30)); add(description); add(new AjaxButton("submitForm", ResourceUtils.getModel("button.save"), this) { private static final long serialVersionUID = 1L; @Override protected void onSubmit(AjaxRequestTarget target, Form<?> form) { Weather weather = WeatherForm.this.getModelObject(); int weatherId = weather.getWeatherId(); ResearchGroup group = researchGroupChoice.getModelObject(); int researchGroupId = group.getResearchGroupId(); if (researchGroupId == CoreConstants.DEFAULT_ITEM_ID) { if (!facade.canSaveDefaultTitle(weather.getTitle(), weatherId)) { error(ResourceUtils.getString("error.titleAlreadyInDatabase")); target.add(feedback); return; } } else { if (!facade.canSaveTitle(weather.getTitle(), researchGroupId, weatherId)) { error(ResourceUtils.getString("error.titleAlreadyInDatabase")); target.add(feedback); return; } } // Creating new if (researchGroupId == CoreConstants.DEFAULT_ITEM_ID) { facade.createDefaultRecord(weather); window.close(target); } else { int pkWeather = facade.create(weather); WeatherGroupRelId weatherGroupRelId = new WeatherGroupRelId(pkWeather, researchGroupId); WeatherGroupRel weatherGroupRel = new WeatherGroupRel(weatherGroupRelId, group, weather); facade.createGroupRel(weatherGroupRel); window.close(target); } } @Override protected void onError(AjaxRequestTarget target, Form<?> form) { target.add(feedback); } }); add(new AjaxButton("closeForm", ResourceUtils.getModel("button.close"), this) { private static final long serialVersionUID = 1L; @Override protected void onSubmit(AjaxRequestTarget target, Form<?> form) { window.close(target); } }.setDefaultFormProcessing(false)); setOutputMarkupId(true); } }