/*
 * (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.fib.view.widget;

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

import javax.swing.BorderFactory;
import javax.swing.JCheckBox;

import org.openflexo.fib.controller.FIBController;
import org.openflexo.fib.model.FIBCheckBox;
import org.openflexo.fib.view.FIBWidgetView;

/**
 * Represents a widget able to edit a boolean, a Boolean or a String object
 * 
 * @author sguerin
 */
public class FIBCheckBoxWidget extends FIBWidgetView<FIBCheckBox, JCheckBox, Boolean> {

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

	private final JCheckBox checkbox;

	private boolean isNegate = false;

	/**
	 * @param model
	 */
	public FIBCheckBoxWidget(FIBCheckBox model, FIBController controller) {
		super(model, controller);
		checkbox = new JCheckBox();
		checkbox.setBorder(BorderFactory.createEmptyBorder(TOP_COMPENSATING_BORDER, LEFT_COMPENSATING_BORDER, BOTTOM_COMPENSATING_BORDER,
				RIGHT_COMPENSATING_BORDER));
		checkbox.setOpaque(false);
		checkbox.setBorderPaintedFlat(true);
		checkbox.setSelected(model.getSelected());
		if (isReadOnly()) {
			checkbox.setEnabled(false);
		} else {
			checkbox.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
					updateModelFromWidget();
				}
			});
		}
		checkbox.addFocusListener(this);

		// _jCheckBox.setBorder(BorderFactory.createEmptyBorder(2,2,2,2));

		isNegate = model.getNegate();

		updateFont();
	}

	@Override
	public Boolean getValue() {
		Boolean value = super.getValue();
		return value != null && value;
	}

	@Override
	public synchronized boolean updateWidgetFromModel() {
		Boolean value = getValue();
		if (notEquals(isNegate ? value == null || !value : value != null && value, checkbox.isSelected())) {
			widgetUpdating = true;
			if (value != null) {
				if (isNegate) {
					value = !value;
				}
				checkbox.setSelected(value);
			}
			widgetUpdating = false;
			return true;
		}
		return false;
	}

	/**
	 * Update the model given the actual state of the widget
	 */
	@Override
	public synchronized boolean updateModelFromWidget() {
		if (isReadOnly()) {
			return false;
		}

		Boolean value = getValue();
		if (notEquals(isNegate ? value == null || !value : value != null && value, checkbox.isSelected())) {
			setValue(isNegate ? !checkbox.isSelected() : checkbox.isSelected());
			return true;
		}
		return false;

	}

	@Override
	public JCheckBox getJComponent() {
		return checkbox;
	}

	@Override
	public JCheckBox getDynamicJComponent() {
		return checkbox;
	}

	@Override
	public Boolean getDefaultData() {
		return getComponent().getSelected();
	}

}