text: /*
   * 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 = "&nbsp;&nbsp;&nbsp;&nbsp;// add a text area component that uses the model object's 'text' property.\n"
  			+ "&nbsp;&nbsp;&nbsp;&nbsp;form.add(new TextArea(\"text\"));";
  		add(new ExplainPanel(html, code));
  	}
  
  }
  