/*
 * 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.examples.WicketExamplePage;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.panel.FeedbackPanel;


/**
 * Page with examples on {@link org.apache.wicket.markup.html.form.Button}.
 * 
 * @author Eelco Hillenius
 */
public class ButtonPage extends WicketExamplePage
{
    /**
     * Constructor
     */
    public ButtonPage()
    {
        // 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("Form.onSubmit executed");
            }
        };

        Button button1 = new Button("button1")
        {
            @Override
            public void onSubmit()
            {
                info("button1.onSubmit executed");
            }
        };
        form.add(button1);

        Button button2 = new Button("button2")
        {
            @Override
            public void onSubmit()
            {
                info("button2.onSubmit executed");
            }
        };
        button2.setDefaultFormProcessing(false);
        form.add(button2);

        add(form);
    }

    /**
     * Override base method to provide an explanation
     */
    @Override
    protected void explain()
    {
        String html = " <form wicket:id=\"form\">\n"
            + "  <input type=\"submit\" value=\"non wicket submit button\" />\n"
            + "  <input wicket:id=\"button1\" type=\"submit\" value=\"default wicket button\" />\n"
            + "  <input wicket:id=\"button2\" type=\"submit\" value=\"wicket button with setDefaultFormProcessing(false)\" />\n"
            + " </form>";
        String code = "&nbsp;&nbsp;&nbsp;&nbsp;// Add a form with an onSubmit implementation that sets a message\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;Form form = new Form(\"form\") {\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;protected void onSubmit() {\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;info(\"Form.onSubmit executed\");\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;};\n"
            + "\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;Button button1 = new Button(\"button1\") {\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;protected void onSubmit() {\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;info(\"button1.onSubmit executed\");\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;};\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;form.add(button1);\n"
            + "\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;Button button2 = new Button(\"button2\") {\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;protected void onSubmit() {\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;info(\"button2.onSubmit executed\");\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;};\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;button2.setDefaultFormProcessing(false);\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;form.add(button2);\n"
            + "\n"
            + "&nbsp;&nbsp;&nbsp;&nbsp;add(form);";
        add(new ExplainPanel(html, code));

    }
}