/*
* 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 org.apache.wicket.util.io.IClusterable;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextArea;
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.TextArea}.
*
* @author Eelco Hillenius
*/
public class TextAreaPage extends WicketExamplePage
{
/**
* Constructor
*/
public TextAreaPage()
{
final Input input = new Input();
setDefaultModel(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<Void> form = new Form<Void>("form")
{
@Override
protected void onSubmit()
{
info("input: " + input);
}
};
add(form);
// add a text area component that uses Input's 'text' property.
form.add(new TextArea<>("text"));
}
/** Simple data class that acts as a model for the input fields. */
private static class Input implements IClusterable
{
/** some plain text. */
public String text = "line 1\nline 2\nline 3";
@Override
public String toString()
{
return "text = '" + text + "'";
}
}
/**
* Override base method to provide an explanation
*/
@Override
protected void explain()
{
String html = "<textarea wicket:id=\"text\" rows=\"6\" cols=\"20\">Input comes here</textarea>";
String code = " // add a text area component that uses the model object's 'text' property.\n"
+ " form.add(new TextArea(\"text\"));";
add(new ExplainPanel(html, code));
}
}