/*
 * (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.ie.view.widget;

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JCheckBox;
import javax.swing.JPanel;

import org.openflexo.foundation.DataModification;
import org.openflexo.foundation.FlexoObservable;
import org.openflexo.foundation.ie.dm.table.SpanChanged;
import org.openflexo.foundation.ie.dm.table.WidgetRemovedFromTable;
import org.openflexo.foundation.ie.widget.IECheckBoxWidget;
import org.openflexo.foundation.ie.widget.IETDWidget;
import org.openflexo.ie.view.IEWOComponentView;
import org.openflexo.ie.view.controller.IEController;

/**
 * @author bmangez
 * 
 *         To change the template for this generated type comment go to Window - Preferences - Java - Code Generation - Code and Comments
 */
public class IECheckBoxWidgetView extends AbstractInnerTableWidgetView<IECheckBoxWidget> {

	// ==========================================================================
	// ============================= Variables
	// ==================================
	// ==========================================================================
	private transient JCheckBox _jCheckBox;

	private JPanel container;

	protected boolean isUpdatingModel = false;

	public static final Font TEXTFIELD_FONT = new Font("SansSerif", Font.PLAIN, 10);

	// ==========================================================================
	// ============================= Constructor
	// ================================
	// ==========================================================================

	public IECheckBoxWidgetView(IEController ieController, IECheckBoxWidget model, boolean addDnDSupport, IEWOComponentView view) {
		super(ieController, model, addDnDSupport, view);
		FlowLayout layout = new FlowLayout(FlowLayout.LEFT, 0, 0);
		setLayout(layout);
		_jCheckBox = new JCheckBox();
		_jCheckBox.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				isUpdatingModel = true;
				getCheckBoxModel().setValue(((JCheckBox) e.getSource()).isSelected());
				isUpdatingModel = false;
			}
		});
		_jCheckBox.setFont(TEXTFIELD_FONT);
		container = new JPanel(new FlowLayout(FlowLayout.CENTER, 4, 4));
		container.setOpaque(false);
		container.add(_jCheckBox);
		add(container);
		_jCheckBox.setEnabled(true);
		_jCheckBox.setFocusable(false);
		_jCheckBox.setOpaque(false);
		if (getCheckBoxModel().getDescription() != null) {
			_jCheckBox.setToolTipText(getCheckBoxModel().getDescription());
		}
		TransparentMouseListener tml = new TransparentMouseListener(_jCheckBox, this);
		_jCheckBox.addMouseListener(tml);
		_jCheckBox.addMouseMotionListener(tml);
		_jCheckBox.setSelected(getCheckBoxModel().getValue());
		_jCheckBox.setBackground(getBackgroundColor());
		setBackground(getBackgroundColor());
		revalidate();
	}

	public IECheckBoxWidget getCheckBoxModel() {
		return getModel();
	}

	@Override
	public Dimension getPreferredSize() {
		if (getModel().getParent() instanceof IETDWidget) {
			Dimension d = container.getPreferredSize();
			d.width += 2;
			d.height += 2;
			return d;
		}
		Dimension d = super.getPreferredSize();
		return d;
	}

	// ==========================================================================
	// ============================= Observer
	// ===================================
	// ==========================================================================

	/*
	 * (non-Javadoc)
	 * 
	 * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
	 */
	@Override
	public void update(FlexoObservable arg0, DataModification modif) {
		if (IECheckBoxWidget.ATTRIB_DEFAULTVALUE_NAME.equals(modif.propertyName())) {
			if (!isUpdatingModel) {
				_jCheckBox.setSelected(getCheckBoxModel().getValue());
			}
		} else if (modif instanceof SpanChanged) {
			revalidate();
			repaint();
		} else if (modif instanceof WidgetRemovedFromTable && arg0 == getModel()) {
			delete();
		} else {
			super.update(arg0, modif);
		}
	}

}