org.wicketTutorial.ajaxbehavior.HomePage.java Source code

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Here is the source code for org.wicketTutorial.ajaxbehavior.HomePage.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 org.wicketTutorial.ajaxbehavior;

import org.apache.wicket.Component;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;

public class HomePage extends WebPage {
    private static final long serialVersionUID = 1L;

    public HomePage(final PageParameters parameters) {
        super(parameters);

        final ClickCounterLabel clickCounterLabel = new ClickCounterLabel("clickCounterLabel", "Click on me!");
        final Label clickCounter = new Label("clickCounter", new PropertyModel(clickCounterLabel, "clickCounter"));

        clickCounterLabel.setOutputMarkupId(true);
        clickCounterLabel.add(new AjaxEventBehavior("click") {

            @Override
            protected void onEvent(AjaxRequestTarget target) {
                clickCounterLabel.clickCounter++;
                target.add(clickCounter);
            }
        });

        add(clickCounterLabel);
        add(clickCounter.setOutputMarkupId(true));
    }
}

class ClickCounterLabel extends Label {
    public int clickCounter;

    public ClickCounterLabel(String id) {
        super(id);
    }

    public ClickCounterLabel(String id, IModel<?> model) {
        super(id, model);
    }

    public ClickCounterLabel(String id, String label) {
        super(id, label);
    }

}