/*
 * Created on 09-Mar-04
 *
 */
package org.joone.example.fonts.demo;
 
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsEnvironment;
 
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.StyleContext;
import javax.swing.text.StyledDocument;
 
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
 
/**
 * @author tsmets
 *
 */
public class DisplayAllKnownFonts	
{
	private static final Logger log = Logger.getLogger (DisplayAllKnownFonts.class);
	
	public static final char[] UPPER_ALPHABET = "AZERTYUIOPMLKJHGFDSQWXCVBN".toCharArray();
	public static final char[] LOWER_ALPHABET = "azertyuiopmlkjhgfdsqwxcvbn".toCharArray();
 
	public static final int SLEEP_TIME = 1000; 
	public static final int WIDTH = 700; 
	public static final int HEIGHT = 500;
	public static final int xLoc = 200; 
	public static final int yLoc = 300;
	
	public static final int DEFAULT_FONT_SIZE = 200;
	public static final int DEFAULT_FONT_TYPE = 0;
	public static final String DEFAULT_FONT_NAME = "Courier";
 
	private JFrame frame = null;
	private Container content = null;
	private JTextPane textPane = null;
	private StyledDocument document = null;
	private StyleContext ctxt = null;
	
	private String[] fonts = null;
	
	private ShowStrings sss = null; 
	
	/**
	 * 
	 * 
	 *
	 */
	DisplayAllKnownFonts ()
	{
		frame = new JFrame (DisplayAllKnownFonts.class.getName());
		log.debug ("DisplayAllKnownFonts::started");
		
		content = frame.getContentPane ();		
		
		document = new DefaultStyledDocument ();					
		textPane = new JTextPane (document);
		textPane.setEditable (true);
		JScrollPane scrollPane = new JScrollPane (textPane);		
		content.add (scrollPane, BorderLayout.CENTER);
		
		GraphicsEnvironment graphEnvir = GraphicsEnvironment.getLocalGraphicsEnvironment();
		fonts = graphEnvir.getAvailableFontFamilyNames();
		if (Level.DEBUG.equals(log.getLevel()))
			for (int i = 0; i < fonts.length; i++)
				log.debug ("Font [" + i + "] = " + fonts[i]);
		
		frame.setSize (WIDTH, HEIGHT);
		frame.setVisible (true);
		frame.setResizable (true);
		frame.setLocation ( xLoc, yLoc);
		frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
		
		log.debug ("DisplayAllKnownFonts::ended");
	}
	
	private void init ()
	{
		sss = new ShowStrings ();
		content.add ( BorderLayout.CENTER,
					  sss );		
	}
	
	
	public static void main (String[] args)
	{
		new DisplayAllKnownFonts ().init ();
	}
	
	/**
	 *
	 */
	class ShowStrings
		extends JPanel 
	{	
		public Logger log = Logger.getLogger (ShowStrings.class);
		
		public ShowStrings ()
		{
			log.info ("Created");
		}
			
		/**
		 * @see javax.swing.JComponent#repaint(java.awt.Rectangle)
		 */
		public void paintComponent (Graphics graphics)
		{			
			log.info ("public void paintComponent (Graphics " + graphics + ") :: invoked");
			super.paint(graphics);
			Graphics2D g2d = (Graphics2D) graphics;
								
			g2d.setFont (new Font (fonts[0], Font.ITALIC, DEFAULT_FONT_SIZE) );
			FontMetrics metrics = g2d.getFontMetrics();
			String character = String.valueOf (UPPER_ALPHABET[0]);
			int w = metrics.stringWidth (character),
				h = metrics.getHeight();
	
			g2d.drawString ( character, frame.getWidth() /2 - w / 2, frame.getHeight() / 2 - h / 2 );
			log.info ( "Width / Height : " + frame.getWidth() + " / " + frame.getHeight() ); 
			log.info ( "g2d.drawString ( " + character + " , " +  ( frame.getWidth () / 2  -  w / 2 ) + ", " + ( frame.getHeight() / 2  -  h / 2 ) + " );" );		
		}
	}
}