Java tutorial
/** * Copyright (c) 2003-2017 The Apereo Foundation * * Licensed under the Educational Community 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://opensource.org/licenses/ecl2 * * 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.sakaiproject.gradebookng.tool.actions; import com.fasterxml.jackson.databind.JsonNode; import org.apache.wicket.ajax.AjaxRequestTarget; import org.sakaiproject.gradebookng.business.model.GbStudentNameSortOrder; import org.sakaiproject.gradebookng.tool.model.GradebookUiSettings; import org.sakaiproject.gradebookng.tool.pages.GradebookPage; import java.io.Serializable; public class SetStudentNameOrderAction extends InjectableAction implements Serializable { private static final long serialVersionUID = 1L; public SetStudentNameOrderAction() { } @Override public ActionResponse handleEvent(final JsonNode params, final AjaxRequestTarget target) { final String orderParam = params.get("orderby").asText(); final GbStudentNameSortOrder nameSortOrder = GbStudentNameSortOrder.valueOf(orderParam.toUpperCase()); final GradebookPage gradebookPage = (GradebookPage) target.getPage(); final GradebookUiSettings settings = gradebookPage.getUiSettings(); settings.setNameSortOrder(nameSortOrder); // save settings gradebookPage.setUiSettings(settings); // refresh the page target.appendJavaScript("location.reload();"); return new EmptyOkResponse(); } }