/*
* 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.examples.resourcedecoration;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AbstractAjaxTimerBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
import org.apache.wicket.markup.head.filter.FilteredHeaderItem;
import org.apache.wicket.markup.head.filter.HeaderResponseContainer;
import org.apache.wicket.markup.head.filter.JavaScriptFilteredIntoFooterHeaderResponse;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.request.resource.CssResourceReference;
import org.apache.wicket.request.resource.JavaScriptResourceReference;
import org.apache.wicket.request.resource.PackageResourceReference;
import org.apache.wicket.resource.JQueryPluginResourceReference;
import org.apache.wicket.util.time.Duration;
/**
* A demo page showing how to render grouped resources
*
* @author jthomerson
*/
public class HomePage extends WicketExamplePage
{
private static final long serialVersionUID = 1L;
/**
* Construct.
*
* @param parameters
*/
public HomePage(final PageParameters parameters)
{
super(parameters);
final WebMarkupContainer jsPlaceholder = new WebMarkupContainer("jsProofPlaceholder");
jsPlaceholder.add(new Behavior()
{
private static final long serialVersionUID = 1L;
@Override
public void renderHead(Component component, IHeaderResponse response)
{
response.render(OnDomReadyHeaderItem.forScript("$('#" +
jsPlaceholder.getMarkupId() +
"').html('the ondomready script ran').css('border-color', 'green');"));
}
});
add(jsPlaceholder);
add(new AjaxProofContainer("ajaxProofPlaceholder"));
add(new AbstractAjaxTimerBehavior(Duration.seconds(4))
{
private static final long serialVersionUID = 1L;
@Override
protected void onTimer(AjaxRequestTarget target)
{
HomePage.this.replace(new AjaxProofContainer("ajaxProofPlaceholder"));
target.add(HomePage.this.get("ajaxProofPlaceholder"));
stop(target);
}
});
/*
* 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)
{
// example of things that may be shared for all your applications across your company,
// two CSS resources in the same group. header.css is rendered first because has lower
// "order" number
response.render(CssHeaderItem.forReference(new CssResourceReference(HomePage.class,
"footer.css")));
response.render(CssHeaderItem.forReference(new CssResourceReference(HomePage.class,
"header.css")));
// example of something that may be in this single application:
response.render(CssHeaderItem.forReference(new CssResourceReference(HomePage.class,
"app.css")));
// example of something that may be limited to certain pages:
response.render(CssHeaderItem.forReference(new CssResourceReference(HomePage.class,
"HomePage.css")));
response.render(JavaScriptHeaderItem.forReference(new JQueryPluginResourceReference(
HomePage.class, "HomePage.js")));
response.render(new FilteredHeaderItem(
JavaScriptHeaderItem.forReference(new JavaScriptResourceReference(HomePage.class,
"top.js")), JavaScriptFilteredIntoFooterHeaderResponse.HEADER_FILTER_NAME));
}
private static class AjaxProofContainer extends WebMarkupContainer
{
private static final long serialVersionUID = 1L;
public AjaxProofContainer(String id)
{
super(id);
setOutputMarkupId(true);
}
@Override
public void renderHead(IHeaderResponse response)
{
if (getRequestCycle().find(AjaxRequestTarget.class) != null)
{
response.render(CssHeaderItem.forReference(new PackageResourceReference(
HomePage.class, "ajax.css")));
response.render(JavaScriptHeaderItem.forReference(new PackageResourceReference(
HomePage.class, "ajax.js")));
response.render(OnDomReadyHeaderItem.forScript("updatePending();"));
}
}
}
}