/*
* 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.examples.ajax.builtin;
import java.util.Locale;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.Model;
import org.apache.wicket.util.string.Strings;
/**
* @author Janne Hietamäki (janne)
*/
public class OnChangeAjaxBehaviorPage extends BasePage
{
protected String getValue(String input)
{
if (Strings.isEmpty(input))
{
return "";
}
StringBuilder buffer = new StringBuilder();
Locale[] locales = Locale.getAvailableLocales();
for (final Locale locale : locales)
{
final String country = locale.getDisplayCountry();
if (country.toUpperCase().startsWith(input.toUpperCase()))
{
buffer.append(country);
buffer.append(" ");
}
}
return buffer.toString();
}
/**
* Constructor
*/
public OnChangeAjaxBehaviorPage()
{
Form<Void> form = new Form<Void>("form");
add(form);
final TextField<String> field = new TextField<String>("field", new Model<String>(""));
form.add(field);
final Label label = new Label("selectedValue", new Model<String>(""));
label.setOutputMarkupId(true);
form.add(label);
OnChangeAjaxBehavior onChangeAjaxBehavior = new OnChangeAjaxBehavior()
{
@Override
protected void onUpdate(AjaxRequestTarget target)
{
label.setDefaultModelObject(getValue(field.getDefaultModelObjectAsString()));
target.add(label);
}
};
field.add(onChangeAjaxBehavior);
}
}