source: release-kits/wirk3/bin/launch4j/src/net/sf/launch4j/binding/OptComponentBinding.java@ 15023

/*
    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 May 11, 2005
 */
package net.sf.launch4j.binding;

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

import javax.swing.JToggleButton;

import org.apache.commons.beanutils.PropertyUtils;

/**
 * @author Copyright (C) 2005 Grzegorz Kowal
 */
public class OptComponentBinding implements Binding, ActionListener {
    private final Bindings _bindings;
    private final String _property;
    private final Class _clazz;
    private final JToggleButton _button;
    private final boolean _enabledByDefault;

    public OptComponentBinding(Bindings bindings, String property, Class clazz,
                                JToggleButton button, boolean enabledByDefault) {
        if (property == null || clazz == null || button == null) {
            throw new NullPointerException();
        }
        if (property.equals("")) { //$NON-NLS-1$
            throw new IllegalArgumentException();
        }
        if (!Arrays.asList(clazz.getInterfaces()).contains(IValidatable.class)) {
            throw new IllegalArgumentException(Messages.getString("OptComponentBinding.must.implement") //$NON-NLS-1$
                    + IValidatable.class);
        }
        _bindings = bindings;
        _property = property;
        _clazz = clazz;
        _button = button;
        _button.addActionListener(this);
        _enabledByDefault = enabledByDefault;
    }

    public String getProperty() {
        return _property;
    }

    public void clear(IValidatable bean) {
        _button.setSelected(_enabledByDefault);
        updateComponents();
    }

    public void put(IValidatable bean) {
        try {
            Object component = PropertyUtils.getProperty(bean, _property);
            _button.setSelected(component != null);
            updateComponents();
        } catch (Exception e) {
            throw new BindingException(e);
        }
    }

    public void get(IValidatable bean) {
        try {
            PropertyUtils.setProperty(bean, _property, _button.isSelected()
                    ? _clazz.newInstance() : null);
        } catch (Exception e) {
            throw new BindingException(e);
        }
    }

    public void markValid() {}

    public void markInvalid() {}

    public void setEnabled(boolean enabled) {} // XXX implement?

    public void actionPerformed(ActionEvent e) {
        updateComponents();
    }
    
    private void updateComponents() {
        _bindings.setComponentsEnabled(_property, _button.isSelected());
    }
}