/*
* 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.extensions.ajax.markup.html;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.IAjaxIndicatorAware;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.model.IModel;
import org.apache.wicket.util.lang.Args;
import org.danekja.java.util.function.serializable.SerializableBiConsumer;
/**
* A variant of the {@link AjaxLink} that displays a busy indicator while the ajax request is in
* progress.
*
* @since 1.2
*
* @author Igor Vaynberg (ivaynberg)
* @param <T>
*
*/
public abstract class IndicatingAjaxLink<T> extends AjaxLink<T> implements IAjaxIndicatorAware
{
private static final long serialVersionUID = 1L;
private final AjaxIndicatorAppender indicatorAppender = new AjaxIndicatorAppender();
/**
* Constructor
*
* @param id
*/
public IndicatingAjaxLink(final String id)
{
this(id, null);
}
/**
* Constructor
*
* @param id
* @param model
*/
public IndicatingAjaxLink(final String id, final IModel<T> model)
{
super(id, model);
add(indicatorAppender);
}
/**
* @see org.apache.wicket.ajax.IAjaxIndicatorAware#getAjaxIndicatorMarkupId()
*/
@Override
public String getAjaxIndicatorMarkupId()
{
return indicatorAppender.getMarkupId();
}
public static <T> IndicatingAjaxLink<T> onClick(String id,
SerializableBiConsumer<AjaxLink<T>, AjaxRequestTarget> onClick)
{
Args.notNull(onClick, "onClick");
return new IndicatingAjaxLink<T>(id)
{
@Override
public void onClick(AjaxRequestTarget target)
{
onClick.accept(this, target);
}
};
}
}