Package org.apache.wicket.markup.head.filter

Source Code of org.apache.wicket.markup.head.filter.FilteredHeaderPage

/*
* 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));
  }
}
TOP

Related Classes of org.apache.wicket.markup.head.filter.FilteredHeaderPage

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.