/* * 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 org.apache.wicket.examples.repeater; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Component; import org.apache.wicket.extensions.markup.html.repeater.data.sort.OrderByBorder; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.link.Link; import org.apache.wicket.markup.html.navigation.paging.PagingNavigator; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.ReuseIfModelsEqualStrategy; import org.apache.wicket.markup.repeater.data.DataView; import org.apache.wicket.model.IModel; /** * page that demonstrates dataview with ReuseIfModelsEqualStrategy * * @author igor */ public class OIRPage extends BasePage { private static final long serialVersionUID = 1L; private static class HighlitableDataItem<T> extends Item<T> { private static final long serialVersionUID = 1L; private boolean highlite = false; /** * toggles highlite */ public void toggleHighlite() { highlite = !highlite; } /** * Constructor * * @param id * @param index * @param model */ public HighlitableDataItem(String id, int index, IModel<T> model) { super(id, index, model); add(new AttributeModifier("style", "background-color:#80b6ed;") { private static final long serialVersionUID = 1L; @Override public boolean isEnabled(Component component) { return HighlitableDataItem.this.highlite; } }); } } /** * Constructor */ public OIRPage() { SortableContactDataProvider dp = new SortableContactDataProvider(); final DataView<Contact> dataView = new DataView<Contact>("oir", dp) { private static final long serialVersionUID = 1L; @Override protected void populateItem(final Item<Contact> item) { Contact contact = item.getModelObject(); item.add(new ActionPanel("actions", item.getModel())); item.add(new Link<Void>("toggleHighlite") { @Override public void onClick() { HighlitableDataItem<Contact> hitem = (HighlitableDataItem<Contact>)item; hitem.toggleHighlite(); } }); item.add(new Label("contactid", String.valueOf(contact.getId()))); item.add(new Label("firstname", contact.getFirstName())); item.add(new Label("lastname", contact.getLastName())); item.add(new Label("homephone", contact.getHomePhone())); item.add(new Label("cellphone", contact.getCellPhone())); item.add(AttributeModifier.replace("class", () -> (item.getIndex() % 2 == 1) ? "even" : "odd")); } @Override protected Item<Contact> newItem(String id, int index, IModel<Contact> model) { return new HighlitableDataItem<>(id, index, model); } }; dataView.setItemsPerPage(8L); dataView.setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance()); add(new OrderByBorder<String>("orderByFirstName", "firstName", dp) { private static final long serialVersionUID = 1L; @Override protected void onSortChanged() { dataView.setCurrentPage(0); } }); add(new OrderByBorder<String>("orderByLastName", "lastName", dp) { private static final long serialVersionUID = 1L; @Override protected void onSortChanged() { dataView.setCurrentPage(0); } }); add(dataView); add(new PagingNavigator("navigator", dataView)); } }