Java tutorial
/** * Copyright (c) 2006-2018 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.sitestats.tool.wicket.components.dropdown; import org.apache.wicket.ajax.AjaxChannel; import org.apache.wicket.ajax.attributes.AjaxCallListener; import org.apache.wicket.ajax.attributes.AjaxRequestAttributes; import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior; /** * Adds the Sakai overlay spinner to the DropDownChoice * @author plukasew */ public abstract class SakaiSpinningSelectOnChangeBehavior extends AjaxFormComponentUpdatingBehavior { public SakaiSpinningSelectOnChangeBehavior() { super("onchange"); } @Override protected void updateAjaxAttributes(AjaxRequestAttributes attributes) { super.updateAjaxAttributes(attributes); attributes.setChannel(new AjaxChannel("blocking", AjaxChannel.Type.ACTIVE)); AjaxCallListener listener = new SakaiSpinningSelectAjaxCallListener(getComponent().getMarkupId(), false); attributes.getAjaxCallListeners().add(listener); } }