source: release-kits/shared/launch4j/src/net/sf/launch4j/binding/OptListBinding.java@ 15024

/*
    Launch4j (http://launch4j.sourceforge.net/)
    Cross-platform Java application wrapper for creating Windows native executables.

    Copyright (C) 2004, 2006 Grzegorz Kowal

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

/*
 * Created on Sep 3, 2005
 */
package net.sf.launch4j.binding;

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

import javax.swing.JTextArea;
import javax.swing.JToggleButton;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.PropertyUtils;

/**
 * @author Copyright (C) 2005 Grzegorz Kowal
 */
public class OptListBinding implements Binding, ActionListener {
    private final String _property;
    private final String _stateProperty;
    private final JToggleButton _button;
    private final JTextArea _textArea;
    private final Color _validColor;

    public OptListBinding(String property, String stateProperty, 
            JToggleButton button, JTextArea textArea) {
        if (property == null || button == null || textArea == null) {
            throw new NullPointerException();
        }
        if (property.equals("")) {
            throw new IllegalArgumentException();
        }
        _property = property;
        _stateProperty = stateProperty;
        _button = button;
        _textArea = textArea;
        _validColor = _textArea.getBackground();
        button.addActionListener(this);
    }

    public String getProperty() {
        return _property;
    }

    public void clear(IValidatable bean) {
        put(bean);
    }

    public void put(IValidatable bean) {
        try {
            boolean selected = "true".equals(BeanUtils.getProperty(bean, _stateProperty));
            _button.setSelected(selected);
            _textArea.setEnabled(selected);
            String[] items = (String[]) PropertyUtils.getProperty(bean, _property);
            StringBuffer sb = new StringBuffer();
            for (int i = 0; i < items.length; i++) {
                sb.append(items[i]);
                if (i < items.length - 1) {
                    sb.append("\n");
                }
            }
            _textArea.setText(sb.toString());
        } catch (Exception e) {
            throw new BindingException(e);
        }
    }

    public void get(IValidatable bean) {
        try {
            String[] items = _textArea.getText().split("\n");
            PropertyUtils.setProperty(bean, _property, _button.isSelected() ? items : null);
        } catch (Exception e) {
            throw new BindingException(e);
        }
    }

    public void markValid() {
        _textArea.setBackground(_validColor);
        _textArea.requestFocusInWindow();
    }

    public void markInvalid() {
        _textArea.setBackground(Binding.INVALID_COLOR);
    }
    
    public void setEnabled(boolean enabled) {
        _textArea.setEnabled(enabled);
    }

    public void actionPerformed(ActionEvent e) {
        _textArea.setEnabled(_button.isSelected());
    }
}