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 org.apache.openmeetings.web.admin.rooms; import static org.apache.openmeetings.web.app.Application.getBean; import org.apache.openmeetings.db.dao.room.RoomDao; import org.apache.openmeetings.db.entity.room.Room; import org.apache.openmeetings.web.admin.AdminPanel; import org.apache.openmeetings.web.admin.SearchableDataView; import org.apache.openmeetings.web.common.BasePanel; import org.apache.openmeetings.web.common.PagedEntityListPanel; import org.apache.openmeetings.web.data.DataViewContainer; import org.apache.openmeetings.web.data.OmOrderByBorder; import org.apache.openmeetings.web.data.SearchableDataProvider; import org.apache.wicket.AttributeModifier; import org.apache.wicket.ajax.AjaxEventBehavior; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.core.request.handler.IPartialPageRequestHandler; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.JavaScriptHeaderItem; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.request.resource.JavaScriptResourceReference; public class RoomsPanel extends AdminPanel { private static final long serialVersionUID = -1L; private final static JavaScriptResourceReference ROOM_FUNCTIONS = new JavaScriptResourceReference( RoomsPanel.class, "room.js"); final WebMarkupContainer listContainer = new WebMarkupContainer("listContainer"); private RoomForm form; @Override public BasePanel onMenuPanelLoad(IPartialPageRequestHandler handler) { super.onMenuPanelLoad(handler); handler.appendJavaScript("omRoomPanelInit();"); return this; } public RoomsPanel(String id) { super(id); SearchableDataView<Room> dataView = new SearchableDataView<Room>("roomList", new SearchableDataProvider<Room>(RoomDao.class)) { private static final long serialVersionUID = 1L; @Override protected void populateItem(final Item<Room> item) { Room room = item.getModelObject(); final Long roomId = room.getId(); item.add(new Label("id")); item.add(new Label("name")); item.add(new Label("ispublic")); item.add(new AjaxEventBehavior("click") { private static final long serialVersionUID = 1L; @Override protected void onEvent(AjaxRequestTarget target) { form.hideNewRecord(); form.setModelObject(getBean(RoomDao.class).get(roomId)); form.updateView(target); target.add(form, listContainer); target.appendJavaScript("omRoomPanelInit();"); } }); item.add(AttributeModifier.replace("class", getRowClass(room.getId(), form.getModelObject().getId()))); } }; add(listContainer.add(dataView).setOutputMarkupId(true)); PagedEntityListPanel navigator = new PagedEntityListPanel("navigator", dataView) { private static final long serialVersionUID = -1L; @Override protected void onEvent(AjaxRequestTarget target) { target.add(listContainer); } }; DataViewContainer<Room> container = new DataViewContainer<Room>(listContainer, dataView, navigator); container.addLink(new OmOrderByBorder<Room>("orderById", "id", container)) .addLink(new OmOrderByBorder<Room>("orderByName", "name", container)) .addLink(new OmOrderByBorder<Room>("orderByPublic", "ispublic", container)); add(container.getLinks()); add(navigator); add(form = new RoomForm("form", listContainer, new Room())); } @Override public void renderHead(IHeaderResponse response) { super.renderHead(response); response.render(JavaScriptHeaderItem.forReference(ROOM_FUNCTIONS)); } }