/**
* $URL: https://source.sakaiproject.org/svn/sitestats/trunk/sitestats-tool/src/java/org/sakaiproject/sitestats/tool/wicket/components/IndicatingAjaxRadioGroup.java $
* $Id: IndicatingAjaxRadioGroup.java 105078 2012-02-24 23:00:38Z ottenhoff@longsight.com $
*
* Copyright (c) 2006-2009 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.sitestats.tool.wicket.components;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.IAjaxIndicatorAware;
import org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior;
import org.apache.wicket.behavior.AbstractAjaxBehavior;
import org.apache.wicket.extensions.ajax.markup.html.WicketAjaxIndicatorAppender;
import org.apache.wicket.markup.html.form.RadioGroup;
import org.apache.wicket.model.IModel;
public abstract class IndicatingAjaxRadioGroup extends RadioGroup implements IAjaxIndicatorAware {
private static final long serialVersionUID = 1L;
private AbstractAjaxBehavior ajaxUpdatingBehavior;
private Object forModelObjectOnly;
private WicketAjaxIndicatorAppender indicatorAppender = new WicketAjaxIndicatorAppender();;
public IndicatingAjaxRadioGroup(final String id) {
this(id, null, null, false);
}
public IndicatingAjaxRadioGroup(final String id, final Object forModelObjectOnly, final boolean lazyLoadData) {
this(id, null, forModelObjectOnly, lazyLoadData);
}
public IndicatingAjaxRadioGroup(final String id, final IModel model, final Object forModelObjectOnly, final boolean lazyLoadData) {
super(id, model);
setOutputMarkupId(true);
if(lazyLoadData) {
this.forModelObjectOnly = forModelObjectOnly;
add(indicatorAppender);
ajaxUpdatingBehavior = new AjaxFormChoiceComponentUpdatingBehavior() {
private static final long serialVersionUID = 1L;
@Override
protected void onUpdate(AjaxRequestTarget target) {
if(forModelObjectOnly != null && forModelObjectOnly.equals(getModelObject())) {
IndicatingAjaxRadioGroup.this.onUpdate(target);
}
}
};
add(ajaxUpdatingBehavior);
}
}
public void removeAjaxUpdatingBehavior() {
if(getBehaviors().contains(ajaxUpdatingBehavior)) {
remove(ajaxUpdatingBehavior);
}
}
/**
* Listener method invoked on an ajax update call
* @param target
*/
protected abstract void onUpdate(AjaxRequestTarget target);
public String getAjaxIndicatorMarkupId() {
if(forModelObjectOnly != null && forModelObjectOnly.equals(getModelObject())) {
return indicatorAppender.getMarkupId();
}else{
return null;
}
}
}