/*
* 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.compref;
import java.util.Arrays;
import java.util.List;
import org.apache.wicket.IClusterable;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.ListChoice;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.CompoundPropertyModel;
/**
* Page with examples on {@link org.apache.wicket.markup.html.form.ListChoice}.
*
* @author Eelco Hillenius
*/
public class ListChoicePage extends WicketExamplePage
{
/** available sites for selection. */
private static final List SITES = Arrays.asList(new String[] { "The Server Side", "Java Lobby",
"Java.Net" });
/**
* Constructor
*/
public ListChoicePage()
{
final Input input = new Input();
setModel(new CompoundPropertyModel(input));
// Add a FeedbackPanel for displaying our messages
FeedbackPanel feedbackPanel = new FeedbackPanel("feedback");
add(feedbackPanel);
// Add a form with an onSumbit implementation that sets a message
Form form = new Form("form")
{
protected void onSubmit()
{
info("input: " + input);
}
};
add(form);
// Add a list choice component that uses Input's 'site' property to
// designate the
// current selection, and that uses the SITES list for the available
// options.
ListChoice listChoice = new ListChoice("site", SITES);
listChoice.setMaxRows(4);
form.add(listChoice);
}
/** Simple data class that acts as a model for the input fields. */
private static class Input implements IClusterable
{
/** the selected site. */
public String site = (String)SITES.get(0);
/**
* @see java.lang.Object#toString()
*/
public String toString()
{
return "site = '" + site + "'";
}
}
/**
* Override base method to provide an explanation
*/
protected void explain()
{
String html = "<select wicket:id=\"site\">\n" + " <option>site 1</option>\n"
+ " <option>site 2</option>\n" + "</select>";
String code = "private static final List SITES = Arrays.asList(new String[] { \"The Server Side\", \"Java Lobby\", \"Java.Net\" });\n"
+ "...\n"
+ " // Add a list choice component that uses the model object's 'site' property to designate the\n"
+ " // current selection, and that uses the SITES list for the available options.\n"
+ " ListChoice listChoice = new ListChoice(\"site\", SITES);\n"
+ " listChoice.setMaxRows(4);\n"
+ " form.add(listChoice);";
add(new ExplainPanel(html, code));
}
}