package com.rle.monitor;

/*
 * RLE Surface Crack Detector Graphing Software
 *
 * Copyright (C) 2002 RLE Technologies
 * For more information visit http://www.rletech.com/
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
 * USA.
 */

/**
 * @author Andy Goth
 * @author Eric Peterson
 * @author Matt Lane
 * @version 0.1
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import javax.swing.plaf.metal.*;

/** UI for my custom checkbox. */
public class MyCheckBoxUI extends javax.swing.plaf.metal.MetalCheckBoxUI {
	static private Icon icon = new ImageIcon("images/check.png");

	public MyCheckBoxUI() {}
	public MyCheckBoxUI(MyCheckBox b) {}

	public static ComponentUI createUI(JComponent b)
	{
		return new MyCheckBoxUI((MyCheckBox)b);
	}

	public void paint(Graphics g, JComponent c)
	{
		if (g == null) return;

		AbstractButton b = (AbstractButton)c;
		ButtonModel model = b.getModel();
		Dimension size = c.getSize();
		int w = size.width;
		int h = size.height;
		Font f = c.getFont();
		g.setFont(f);
		FontMetrics fm = g.getFontMetrics();

		Rectangle viewRect = new Rectangle(size);
		Rectangle iconRect = new Rectangle(1, 1, icon.getIconWidth() +
				4, h - 2);
		Rectangle textBox = new Rectangle(icon.getIconWidth() + 5, 1,
				w - icon.getIconWidth() - 6, h - 2);
		Rectangle textRect = new Rectangle((int)(textBox.getX() + 3),
				(int)(textBox.getY() + (textBox.getHeight() -
				fm.getHeight()) / 2 + 1),
				fm.stringWidth(b.getText()), fm.getHeight());

		/* Draw! */
		Color textColor = null;
		if (!model.isEnabled()) {
			g.setColor(MetalLookAndFeel.getControlShadow());
			g.drawRect(0, 0, w, h);
			textColor = MetalLookAndFeel.getControlShadow();
			if (!model.isSelected()) {
				/* Disabled, unselected */
			} else {
				/* Disabled, selected */
			}
		} else {
			MyUtils.drawSunkenBorder(g, viewRect);
			MyUtils.drawRaisedBorder(g, textBox);
			textColor = b.getForeground();
			if (model.isPressed() && model.isArmed()) {
				/* Enabled, held down */
				MyUtils.drawPressedBorder(g, iconRect);
				g.setColor(MetalLookAndFeel.getControlShadow());
				g.fillRect(2, 2, iconRect.width - 2,
						iconRect.height - 2);
			} else {
				/* Enabled, not held down */
				MyUtils.drawRaisedBorder(g, iconRect);
			}
			if (model.isSelected()) {
				/* Enabled, selected */
				icon.paintIcon(c, g, 3, (h -
						icon.getIconHeight()) / 2);
			} else {
				/* Enabled, unselected */
			}
		}

		g.setColor(textColor);
		BasicGraphicsUtils.drawString(g, b.getText(),
				model.getMnemonic(), textRect.x, textRect.y +
				fm.getAscent());

		if (b.hasFocus() && b.isFocusPainted()) {
			/* Focused */
			g.setColor(getFocusColor());
			g.drawRect(textRect.x - 1, textRect.y - 1,
					textRect.width + 1,
					textRect.height + 1);
		}
	}

	public Dimension getPreferredSize(JComponent c)
	{
		FontMetrics fm = c.getFontMetrics(c.getFont());
		int width = 12 + icon.getIconWidth() +
				fm.stringWidth(((MyCheckBox)c).getText());
		int height = 8 + fm.getHeight();
		if ((height & 1) == 1) height++;
		return new Dimension(width, height);
	}
}