com.ttdev.wicketpagetest.sample.spring.ThrottlingAjaxPage.java Source code

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Here is the source code for com.ttdev.wicketpagetest.sample.spring.ThrottlingAjaxPage.java

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/**
 * Copyright (C) 2009 Kent Tong <freemant2000@yahoo.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * Free Software Foundation version 3.
 *
 * program is distributed in the hope that it will be useful,
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.ttdev.wicketpagetest.sample.spring;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.PropertyModel;

public class ThrottlingAjaxPage extends WebPage {
    private static final long serialVersionUID = 1L;
    private String input = "";
    private Label outputLabel;

    public ThrottlingAjaxPage() {
        TextField<String> inputField = new TextField<String>("input", new PropertyModel<String>(this, "input"));
        add(inputField);
        AjaxFormComponentUpdatingBehavior onkeyupBehavior = new AjaxFormComponentUpdatingBehavior("onkeyup") {

            private static final long serialVersionUID = 1L;

            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                target.add(outputLabel);
            }
        };
        inputField.add(onkeyupBehavior);
        outputLabel = new Label("output", new AbstractReadOnlyModel<Integer>() {

            private static final long serialVersionUID = 1L;

            @Override
            public Integer getObject() {
                return input.length();
            }
        });
        add(outputLabel);
        outputLabel.setOutputMarkupId(true);
    }
}