source: release-kits/wirk3/bin/launch4j/src/net/sf/launch4j/binding/JTextComponentBinding.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 Apr 30, 2005
 */
package net.sf.launch4j.binding;

import java.awt.Color;

import javax.swing.text.JTextComponent;

import org.apache.commons.beanutils.BeanUtils;

/**
 * Handles JEditorPane, JTextArea, JTextField
 * 
 * @author Copyright (C) 2005 Grzegorz Kowal
 */
public class JTextComponentBinding implements Binding {
    private final String _property;
    private final JTextComponent _textComponent;
    private final String _defaultValue;
    private final Color _validColor;

    public JTextComponentBinding(String property, JTextComponent textComponent, String defaultValue) {
        if (property == null || textComponent == null || defaultValue == null) {
            throw new NullPointerException();
        }
        if (property.equals("")) {
            throw new IllegalArgumentException();
        }
        _property = property;
        _textComponent = textComponent;
        _defaultValue = defaultValue;
        _validColor = _textComponent.getBackground();
    }

    public String getProperty() {
        return _property;
    }

    public void clear(IValidatable bean) {
        _textComponent.setText(_defaultValue);
    }

    public void put(IValidatable bean) {
        try {
            String s = BeanUtils.getProperty(bean, _property);
            _textComponent.setText(s != null && !s.equals("0") ? s : "");   // XXX displays zeros as blank
        } catch (Exception e) {
            throw new BindingException(e);
        }
    }

    public void get(IValidatable bean) {
        try {
            BeanUtils.setProperty(bean, _property, _textComponent.getText());
        } catch (Exception e) {
            throw new BindingException(e);
        }
    }
    
    public void markValid() {
        _textComponent.setBackground(_validColor);
        _textComponent.requestFocusInWindow();
    }

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