import java.awt.*;

//
//
// ProgressBar JavaBean v1.00
//
// Written by             : David Reilly
// Release details        : Public domain source/binary
// Last modification date : Tuesday, October 28, 1997
//
public class ProgressBar extends Canvas
{
	protected int m_percentage;
	protected Color m_textColor;
	protected boolean m_displayText;

	public ProgressBar()
	{
		m_percentage = 0;
	}

	public ProgressBar( int percent )
	{
		if ( ( percent <= 100 ) && ( percent >= 0) )
			m_percentage = percent;	
		else
			m_percentage = 0;
	}

	public int getPercent()
	{
		return m_percentage;
	}

	public void setPercent( int percent )
	{
		if ( ( percent <= 100 ) && ( percent >= 0) )
			m_percentage = percent;	

		repaint();
	}

	public boolean getDisplayText()
	{
		return m_displayText;
	}

	public boolean isDisplayText()
	{
		return m_displayText;
	}

	public void setDisplayText(boolean b)
	{
		m_displayText = b;
	}

	public Color getTextColor()
	{
		return m_textColor;
	}

	public void setTextColor(Color set_text)
	{
		m_textColor = set_text;
	}

	public void toggleDisplayText()
	{
		m_displayText = !m_displayText;
	}


	public void paint( Graphics g )
	{
		// Local variables
		Color background;
		Color foreground;

		int width = getSize().width;
		int height = getSize().height;
		
		// Pixel per pecent
		int pixels;

		background = getBackground();
		foreground = getForeground();

		// Draw background
		g.setColor ( background );
		g.fillRect ( 0, 0, width, height);

		// Draw top left border
		g.setColor ( Color.gray );
		g.drawLine ( 0, 0, width, 0); // top left to top right
		g.drawLine ( 0, 0 , 0, height ); // top left to bottom left

		g.setColor ( Color.black.brighter() );
		g.drawLine ( 1, 1, width-1, 1 ); // near top left to near top right
		g.drawLine ( 1, 1, 1, height-1 ); // near top left to near bottom left

		// Draw bottom right border
		g.setColor ( Color.lightGray.darker() );
		g.drawLine ( 2, height-1, width-1, height-1); // bottom left to bottom right
		g.drawLine ( width-1, height-1, width-1, 1 ); // bottom right to top right

		g.setColor ( Color.lightGray );
		g.drawLine ( 2, height-2, width-2, height-2); // near bottom left to near bottom right
		g.drawLine ( width-2, height-2, width-2, 2 ); // near bottom right to near top right

		// Calculate bar pixels
		pixels = (int) ( width / 100.00 * m_percentage);
		if (pixels > width-3)
			pixels = width-3;

		// Draw bar
		g.setColor ( foreground );
		g.fillRect ( 2, 2, pixels , height - 3);

		// If display text is required
		if (m_displayText)
		{
			g.setColor (m_textColor);

			// Get color information
			FontMetrics f = g.getFontMetrics();
			String percentString = String.valueOf(m_percentage); 
			g.drawString ( percentString , (width - f.stringWidth (percentString) ) / 2,
				           (height )  / 2 + f.getHeight() /2 );
		}
	}

	// Returns minimum bean size
	public Dimension getMinimumSize()
	{
		return new Dimension(50, 15);
	}

	// Returns preferred bean size
	public Dimension getPreferredSize()
	{
		return new Dimension(200, 30);
	}

}