Java tutorial
package cz.zcu.kiv.eegdatabase.wui.ui.groups; import cz.zcu.kiv.eegdatabase.data.pojo.MembershipPlan; import cz.zcu.kiv.eegdatabase.data.pojo.Person; import cz.zcu.kiv.eegdatabase.data.pojo.ResearchGroup; import cz.zcu.kiv.eegdatabase.wui.app.EEGDataBaseApplication; import cz.zcu.kiv.eegdatabase.wui.app.session.EEGDataBaseSession; import cz.zcu.kiv.eegdatabase.wui.components.menu.button.ButtonPageMenu; import cz.zcu.kiv.eegdatabase.wui.components.page.BasePage; import cz.zcu.kiv.eegdatabase.wui.components.page.MenuPage; import cz.zcu.kiv.eegdatabase.wui.components.table.ViewLinkPanel; import cz.zcu.kiv.eegdatabase.wui.components.utils.ResourceUtils; import cz.zcu.kiv.eegdatabase.wui.core.MembershipPlanType; import cz.zcu.kiv.eegdatabase.wui.core.group.ResearchGroupFacade; import cz.zcu.kiv.eegdatabase.wui.core.membershipplan.MembershipPlanFacade; import cz.zcu.kiv.eegdatabase.wui.core.security.SecurityFacade; import cz.zcu.kiv.eegdatabase.wui.ui.groups.components.AddGroupMembershipPlanToCartLink; import cz.zcu.kiv.eegdatabase.wui.ui.home.HomePage; import cz.zcu.kiv.eegdatabase.wui.ui.memberships.ListMembershipsDataProvider; import cz.zcu.kiv.eegdatabase.wui.ui.memberships.MembershipPlansDetailPage; import org.apache.wicket.RestartResponseAtInterceptPageException; import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation; import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator; import org.apache.wicket.extensions.markup.html.repeater.data.table.DefaultDataTable; 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.repeater.Item; import org.apache.wicket.model.IModel; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.spring.injection.annot.SpringBean; import org.apache.wicket.util.string.StringValue; import java.util.ArrayList; import java.util.List; /** * ******************************************************************************************************************** * <p/> * This file is part of the eegdatabase project * <p/> * ========================================== * <p/> * Copyright (C) 2015 by University of West Bohemia (http://www.zcu.cz/en/) * <p/> * ********************************************************************************************************************** * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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. * <p/> * ********************************************************************************************************************** * <p/> * BuyMembershipPlanPage, 2015/04/07 05:54 administrator * <p/> * ******************************************************************************************************************** */ @AuthorizeInstantiation(value = { "ROLE_READER", "ROLE_USER", "ROLE_EXPERIMENTER", "ROLE_ADMIN" }) public class BuyMembershipPlanGroupPage extends MenuPage { private static final int ITEMS_PER_PAGE = 20; @SpringBean SecurityFacade securityFacade; @SpringBean MembershipPlanFacade planFacade; @SpringBean ResearchGroupFacade groupFacade; public BuyMembershipPlanGroupPage(PageParameters parameters) { StringValue value = parseParameters(parameters); final int groupId = value.toInt(); final ResearchGroup group = groupFacade.getResearchGroupById(groupId); setPageTitle(ResourceUtils.getModel("pageTitle.buyPlan")); add(new ButtonPageMenu("leftMenu", prepareLeftMenu())); Person user = EEGDataBaseSession.get().getLoggedUser(); if (user == null) throw new RestartResponseAtInterceptPageException(HomePage.class); DefaultDataTable<MembershipPlan, String> personPlans = new DefaultDataTable<MembershipPlan, String>( "groupPlans", createMembershipListColumns(groupId), new ListMembershipsDataProvider(planFacade, MembershipPlanType.GROUP), ITEMS_PER_PAGE); add(personPlans); } private List<? extends IColumn<MembershipPlan, String>> createMembershipListColumns(final int groupID) { List<IColumn<MembershipPlan, String>> columns = new ArrayList<IColumn<MembershipPlan, String>>(); columns.add(new PropertyColumn<MembershipPlan, String>( ResourceUtils.getModel("dataTable.heading.membershipName"), "name", "name")); columns.add(new PropertyColumn<MembershipPlan, String>( ResourceUtils.getModel("dataTable.heading.dayslength"), "length", "length")); columns.add(new PropertyColumn<MembershipPlan, String>(ResourceUtils.getModel("dataTable.heading.price"), "price", "price")); columns.add(new PropertyColumn<MembershipPlan, String>(ResourceUtils.getModel("dataTable.heading.detail"), null, null) { @Override public void populateItem(Item<ICellPopulator<MembershipPlan>> item, String componentId, IModel<MembershipPlan> rowModel) { item.add(new ViewLinkPanel(componentId, MembershipPlansDetailPage.class, "membershipId", rowModel, ResourceUtils.getModel("link.detail"))); } }); columns.add(new PropertyColumn<MembershipPlan, String>(ResourceUtils.getModel("dataTable.heading.buy"), null, null) { @Override public void populateItem(Item<ICellPopulator<MembershipPlan>> item, String componentId, IModel<MembershipPlan> rowModel) { item.add(new AddGroupMembershipPlanToCartLink(componentId, rowModel, groupFacade.getResearchGroupById(groupID))); } }); return columns; } private GroupPageLeftMenu[] prepareLeftMenu() { List<GroupPageLeftMenu> list = new ArrayList<GroupPageLeftMenu>(); boolean authorizedToRequestGroupRole = securityFacade.isAuthorizedToRequestGroupRole(); for (GroupPageLeftMenu tmp : GroupPageLeftMenu.values()) list.add(tmp); if (!authorizedToRequestGroupRole) list.remove(GroupPageLeftMenu.REQUEST_FOR_GROUP_ROLE); GroupPageLeftMenu[] array = new GroupPageLeftMenu[list.size()]; return list.toArray(array); } private StringValue parseParameters(PageParameters parameters) { StringValue value = parameters.get(BasePage.DEFAULT_PARAM_ID); if (value.isNull() || value.isEmpty()) throw new RestartResponseAtInterceptPageException(EEGDataBaseApplication.get().getHomePage()); return value; } }