/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo 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 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.inspector.widget;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Logger;

import javax.swing.Box;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JPanel;

import org.openflexo.inspector.AbstractController;
import org.openflexo.inspector.model.PropertyModel;

/**
 * Represents a widget able to edit a boolean, a Boolean or a String object
 * 
 * @author sguerin
 */
public class CheckBoxWidget extends DenaliWidget<Object> {

	@SuppressWarnings("unused")
	private static final Logger logger = Logger.getLogger(CheckBoxWidget.class.getPackage().getName());

	private JPanel _jPanel;

	private JCheckBox _jCheckBox;

	private boolean isNegate = false;

	/**
	 * @param model
	 */
	public CheckBoxWidget(PropertyModel model, AbstractController controller) {
		super(model, controller);
		_jPanel = new JPanel(new BorderLayout());
		_jPanel.setOpaque(false);
		_jCheckBox = new JCheckBox();
		_jCheckBox.setOpaque(false);
		if (isReadOnly()) {
			_jCheckBox.setEnabled(false);
		} else {
			_jCheckBox.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
					updateModelFromWidget();
				}
			});
		}
		_jPanel.add(_jCheckBox, BorderLayout.WEST);
		_jPanel.add(Box.createGlue(), BorderLayout.CENTER);
		getDynamicComponent().addFocusListener(new WidgetFocusListener(this));
		Boolean b = getPropertyModel().getBooleanValueForParameter("negate");
		isNegate = b != null && b;
	}

	@Override
	public synchronized void updateWidgetFromModel() {
		widgetUpdating = true;
		boolean value = getObjectValue() != null ? (Boolean) getObjectValue() : false;
		if (isNegate) {
			value = !value;
		}
		_jCheckBox.setSelected(value);
		widgetUpdating = false;

	}

	/**
	 * Update the model given the actual state of the widget
	 */
	@Override
	public synchronized void updateModelFromWidget() {
		if (isReadOnly()) {
			return;
		}
		setObjectValue(isNegate ? !_jCheckBox.isSelected() : _jCheckBox.isSelected());
	}

	@Override
	public JComponent getDynamicComponent() {
		return _jPanel;
	}

	@Override
	public Class getDefaultType() {
		return Boolean.class;
	}

}