/*
* 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.html;
import org.apache.wicket.Component;
import org.apache.wicket.MarkupContainer;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.IMarkupFragment;
import org.apache.wicket.markup.MarkupStream;
import org.apache.wicket.markup.resolver.IComponentResolver;
import org.apache.wicket.util.lang.Args;
/**
* For each wicket:head tag a HeaderPartContainer is created and added to the HtmlHeaderContainer
* which has been added to the Page.
*
* @author Juergen Donnerstag
*/
public final class HeaderPartContainer extends WebMarkupContainer implements IComponentResolver
{
private static final long serialVersionUID = 1L;
/** The panel or bordered page the header part is associated with */
private final MarkupContainer container;
/** <wicket:head scope="...">. A kind of namespace */
private final String scope;
/**
* @param id
* The component id
* @param container
* The Panel (or bordered page) the header part is associated with
* @param markup
*/
public HeaderPartContainer(final String id, final MarkupContainer container,
final IMarkupFragment markup)
{
super(id);
Args.notNull(container, "container");
Args.notNull(markup, "markup");
setMarkup(markup);
this.container = container;
scope = getScopeFromMarkup();
setRenderBodyOnly(true);
}
/**
*
* @return get "wicket:scope" attribute from <wicket:head> tag
*/
private String getScopeFromMarkup()
{
IMarkupFragment markup = getMarkup();
String namespace = markup.getMarkupResourceStream().getWicketNamespace();
ComponentTag tag = (ComponentTag)markup.get(0);
return tag.getAttributes().getString(namespace + ":scope");
}
/**
* Get the scope of the header part
*
* @return The scope name
*/
public final String getScope()
{
return scope;
}
/**
* The tag must be resolved against the panel and not against the page
*/
@Override
public final Component resolve(final MarkupContainer container,
final MarkupStream markupStream, final ComponentTag tag)
{
// The tag must be resolved against the panel and not against the page
return this.container.get(tag.getId());
}
}