/*
* 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.frames;
import org.apache.wicket.Page;
import org.apache.wicket.examples.linkomatic.Home;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.html.link.Link;
/**
* The left frame. This page is not bookmarkable, but it's instance is created by
* {@link org.apache.wicket.examples.frames.BodyFrame} and hold in the same page map as index. It
* uses the frameTarget object as a shared model; this page updates that model, and as the Index
* uses that to set the frame tag, any changes to it should be reflected with the next render.
*
* @author Eelco Hillenius
*/
public class LeftFrame extends WebPage
{
private static final long serialVersionUID = 1L;
/**
* Link that, when clicked, changes the frame target's frame class (and as that is a shared
* model which is also being used by the 'master page' {@link BodyFrame}, changes are
* immediately reflected) and set the response page to the top level page {@link BodyFrame}.
* Tags that use this link should have a <code>target="_parent"</code> attribute, so that the
* top frame will be refreshed.
*/
private static final class ChangeFramePageLink extends Link<Void>
{
private static final long serialVersionUID = 1L;
/** parent frame class. */
private final BodyFrame bodyFrame;
/** this link's target. */
private final Class<? extends Page> pageClass;
/**
* Construct.
*
* @param <C>
*
* @param id
* @param bodyFrame
* @param pageClass
*/
public <C extends Page> ChangeFramePageLink(String id, BodyFrame bodyFrame,
Class<C> pageClass)
{
super(id);
this.bodyFrame = bodyFrame;
this.pageClass = pageClass;
}
/**
* @see org.apache.wicket.markup.html.link.Link#onClick()
*/
@Override
public void onClick()
{
// change frame class
bodyFrame.getFrameTarget().setFrameClass(pageClass);
// trigger re-rendering of the page
setResponsePage(bodyFrame);
}
}
/**
* Constructor
*
* @param index
* parent frame class
*/
public LeftFrame(BodyFrame index)
{
add(new ChangeFramePageLink("linkToPage1", index, Page1.class));
add(new ChangeFramePageLink("linkToPage2", index, Page2.class));
BookmarkablePageLink<?> link = new BookmarkablePageLink<>("directLink", Home.class);
add(link);
}
/**
* No need for versioning this frame.
*
* @see org.apache.wicket.Component#isVersioned()
*/
@Override
public boolean isVersioned()
{
return false;
}
}