ButtonField.java

/*
 * {{{ header & license
 * Copyright (c) 2007 Sean Bright
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * }}}
 */
package org.xhtmlrenderer.simple.extend.form;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JOptionPane;

import org.w3c.dom.Element;
import org.xhtmlrenderer.layout.LayoutContext;
import org.xhtmlrenderer.render.BlockBox;
import org.xhtmlrenderer.simple.extend.XhtmlForm;

class ButtonField extends AbstractButtonField {
    public ButtonField(Element e, XhtmlForm form, LayoutContext context, BlockBox box) {
        super(e, form, context, box);
    }
    
    public JComponent create() {
        JButton button = new JButton();

        String value = getAttribute("value");

        if (value == null || value.length() == 0)
            value = " ";    //otherwise we get a very short button

        applyComponentStyle(button);

        button.setText(value);
        
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JOptionPane.showMessageDialog(
                        null,
                        "<input type=\"button\" .../> doesn't make much " +
                        "sense without <script>! (Volunteers wanted)",
                        "We need <script> support!",
                        JOptionPane.INFORMATION_MESSAGE);
            } 
        });

        return button;
    }

    public boolean includeInSubmission(JComponent source) {
        return false;
    }
}