Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 net.tirasa.jpasqlazure.web.pages; import java.util.ArrayList; import java.util.List; import net.tirasa.jpasqlazure.beans.Gender; import net.tirasa.jpasqlazure.beans.Person; import net.tirasa.jpasqlazure.repository.PersonRepository; import net.tirasa.jpasqlazure.web.pages.panel.ActionLinkPanel; import net.tirasa.jpasqlazure.web.pages.util.PersonProvider; import org.apache.wicket.Page; import org.apache.wicket.Session; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.IAjaxCallDecorator; import org.apache.wicket.ajax.IAjaxIndicatorAware; import org.apache.wicket.ajax.calldecorator.AjaxPreprocessingCallDecorator; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.authroles.authorization.strategies.role.Roles; import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation; import org.apache.wicket.extensions.ajax.markup.html.IndicatingAjaxLink; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.extensions.ajax.markup.html.repeater.data.table.AjaxFallbackDefaultDataTable; import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator; import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn; import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn; import org.apache.wicket.extensions.markup.html.repeater.data.table.PropertyColumn; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.WebPage; import org.apache.wicket.markup.html.panel.FeedbackPanel; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.model.IModel; import org.apache.wicket.model.Model; import org.apache.wicket.spring.injection.annot.SpringBean; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @AuthorizeInstantiation(Roles.USER) public class HomePage extends WebPage implements IAjaxIndicatorAware { /** * Logger. */ private static final Logger LOG = LoggerFactory.getLogger(HomePage.class); private static final int MODAL_WIN_HEIGHT = 400; private static final int MODAL_WIN_WIDTH = 600; private FeedbackPanel feedbackPanel; @SpringBean private PersonRepository repository; private final WebMarkupContainer container; private final ModalWindow editModalWin; /** * Response flag set by the Modal Window after the operation is completed. */ private boolean modalResult = false; public HomePage() { super(); // TMP // if (!repository.findAll().iterator().hasNext()) { // for (int i = 0; i < 12; i++) { // Person user = new Person(); // user.setUsername("Bob" + i); // user.setPassword("password"); // user.setGender(Gender.M); // user.setPicture("picture".getBytes()); // user.setInfo("some info"); // repository.save(user); // } // } // TMP feedbackPanel = new FeedbackPanel("feedback"); feedbackPanel.setOutputMarkupId(true); add(feedbackPanel); editModalWin = new ModalWindow("editModalWin"); editModalWin.setCssClassName(ModalWindow.CSS_CLASS_GRAY); editModalWin.setInitialHeight(MODAL_WIN_HEIGHT); editModalWin.setInitialWidth(MODAL_WIN_WIDTH); editModalWin.setCookieName("edit-modal"); add(editModalWin); List<IColumn> columns = new ArrayList<IColumn>(); columns.add(new PropertyColumn(new Model("id"), "id", "id")); columns.add(new PropertyColumn(new Model("username"), "username", "username")); columns.add(new AbstractColumn<Person>(new Model("edit")) { @Override public void populateItem(final Item<ICellPopulator<Person>> item, final String componentId, final IModel<Person> imodel) { ActionLinkPanel panel = new ActionLinkPanel(componentId, imodel, new IndicatingAjaxLink("link") { @Override public void onClick(final AjaxRequestTarget target) { Session.get().cleanupFeedbackMessages(); target.add(feedbackPanel); editModalWin.setPageCreator(new ModalWindow.PageCreator() { @Override public Page createPage() { return new EditModalPage(HomePage.this.getPageReference(), editModalWin, imodel.getObject(), repository); } }); editModalWin.setTitle("Person " + imodel.getObject().getId() + " - Edit"); editModalWin.show(target); } }, "edit"); item.add(panel); } }); columns.add(new AbstractColumn<Person>(new Model("delete")) { @Override public void populateItem(Item<ICellPopulator<Person>> item, String componentId, final IModel<Person> imodel) { ActionLinkPanel panel = new ActionLinkPanel(componentId, imodel, new IndicatingAjaxLink("link") { @Override public void onClick(final AjaxRequestTarget target) { Session.get().cleanupFeedbackMessages(); target.add(feedbackPanel); try { repository.delete(imodel.getObject()); } catch (Exception e) { LOG.error("While deleting a person", e); error(e.getMessage()); return; } info("Operation Succeded"); target.add(feedbackPanel); target.add(container); } @Override protected IAjaxCallDecorator getAjaxCallDecorator() { return new AjaxPreprocessingCallDecorator(super.getAjaxCallDecorator()) { private static final long serialVersionUID = -7927968187160354605L; @Override public CharSequence preDecorateScript(final CharSequence script) { return "if (confirm('Are you sure?'))" + "{" + script + "}"; } }; } }, "delete"); item.add(panel); } }); final AjaxFallbackDefaultDataTable table = new AjaxFallbackDefaultDataTable("table", columns, new PersonProvider(repository), 10); container = new WebMarkupContainer("container"); container.add(table); container.setOutputMarkupId(true); add(container); setWindowClosedCallback(editModalWin, container); AjaxLink createLink = new IndicatingAjaxLink("createLink") { @Override public void onClick(AjaxRequestTarget target) { Session.get().cleanupFeedbackMessages(); target.add(feedbackPanel); editModalWin.setPageCreator(new ModalWindow.PageCreator() { @Override public Page createPage() { return new EditModalPage(HomePage.this.getPageReference(), editModalWin, new Person(), repository); } }); editModalWin.setTitle("New Person"); editModalWin.show(target); } }; add(createLink); } public boolean isModalResult() { return modalResult; } public void setModalResult(final boolean operationResult) { this.modalResult = operationResult; } /** * Set a WindowClosedCallback for a ModalWindow instance. * * @param window window * @param container container */ private void setWindowClosedCallback(final ModalWindow window, final WebMarkupContainer container) { window.setWindowClosedCallback(new ModalWindow.WindowClosedCallback() { @Override public void onClose(final AjaxRequestTarget target) { target.add(container); if (isModalResult()) { info("Operation Succeded"); target.add(feedbackPanel); setModalResult(false); } } }); } @Override public String getAjaxIndicatorMarkupId() { return "veil"; } }