com.conwax.ajax.examples.AjaxFallbackLinkPage.java Source code

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Here is the source code for com.conwax.ajax.examples.AjaxFallbackLinkPage.java

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/*
 * 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 com.conwax.ajax.examples;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxFallbackLink;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.model.PropertyModel;

public class AjaxFallbackLinkPage extends WebPage {

    private static final long serialVersionUID = 1L;
    private int counter;

    public AjaxFallbackLinkPage() {
        super();
        final Label label = new Label("label", new PropertyModel<Integer>(this, "counter"));
        label.setOutputMarkupId(true);
        add(label);
        add(new AjaxFallbackLink<Void>("link") {
            private static final long serialVersionUID = 1L;

            @Override
            public void onClick(AjaxRequestTarget target) {
                counter++;
                if (null != target) {
                    target.add(label);
                }
            }
        });
    }
}