/**
* Copyright 2012 Universitat Pompeu Fabra.
*
* Licensed 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.onexus.website.api.utils.panels.ondomready;
import org.apache.wicket.MarkupContainer;
import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.CssReferenceHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.html.image.Image;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.resource.PackageResourceReference;
import org.apache.wicket.request.resource.ResourceReference;
public abstract class OnDomReadyPanel extends Panel {
private static final CssReferenceHeaderItem CSS = CssHeaderItem.forReference(new PackageResourceReference(OnDomReadyPanel.class, "OnDomReadyPanel.css"));
public static final ResourceReference LOADING_IMAGE = new PackageResourceReference(OnDomReadyPanel.class, "OnDomReadyLoading.gif");
public OnDomReadyPanel(String id) {
this(id, null);
}
public OnDomReadyPanel(String id, IModel<?> model) {
super(id, model);
setOutputMarkupId(true);
add(new AjaxEventBehavior("domready") {
@Override
protected void onEvent(AjaxRequestTarget target) {
MarkupContainer parent = OnDomReadyPanel.this.getParent();
Panel newPanel = onDomReadyPanel(OnDomReadyPanel.this.getId());
newPanel.setOutputMarkupId(true);
parent.addOrReplace(newPanel);
target.add(newPanel);
}
});
add(new Image("loading", LOADING_IMAGE));
}
@Override
public void renderHead(IHeaderResponse response) {
response.render(CSS);
}
protected abstract Panel onDomReadyPanel(String componentId);
}