/* * 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.markup.head.filter; import java.util.List; import org.apache.wicket.markup.head.HeaderItem; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.JavaScriptHeaderItem; import org.apache.wicket.markup.html.WebPage; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.request.resource.JavaScriptResourceReference; import org.apache.wicket.resource.JQueryPluginResourceReference; /** * @author papegaaij */ public class FilteredHeaderPage extends WebPage { private static final long serialVersionUID = 1L; /** * Construct. * * @param parameters */ public FilteredHeaderPage(final PageParameters parameters) { super(parameters); /* * a container for all collected JavaScript contributions that will be loaded at the page * footer (after </body>) */ add(new HeaderResponseContainer("footerJS", "footerJS")); } @Override public void renderHead(IHeaderResponse response) { // rendered at the default header bucket final JavaScriptResourceReference topJsReference = new JavaScriptResourceReference( FilteredHeaderPage.class, "top.js"); response.render(new FilteredHeaderItem(JavaScriptHeaderItem.forReference(topJsReference), FilteringHeaderResponse.DEFAULT_HEADER_FILTER_NAME)); // rendered at the bottom of the body bucket JQueryPluginResourceReference bottomJs = new JQueryPluginResourceReference( FilteredHeaderPage.class, "bottom.js") { private static final long serialVersionUID = 1L; @Override public List<HeaderItem> getDependencies() { List<HeaderItem> dependencies = super.getDependencies(); // WICKET-4566 : depend on a resource which is rendered in a different bucket dependencies.add(JavaScriptHeaderItem.forReference(topJsReference)); return dependencies; } }; response.render(JavaScriptHeaderItem.forReference(bottomJs)); } }