PROGRAMME QUI DONNE LE CODE UNICODE DES CARACTÈRES ARABES SAISIS

/*TODO
*	Il reste d'autres caractères waw avec hamza et co
*/

import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import java.util.*;
import java.io.File;

public class ArabicToUnicode extends JFrame
{
	private JTextField txtArab = null;
	private JTextArea txtUnicode = null;
	private JButton btnTranslate = null, btnToClipboard = null;
	private JScrollPane scroll = null;
	private JPanel pnTop = null, pnCenter = null, pnKeyboardAr = null;
	private int w, h, x, y;
	private ArrayList<String> characters = null;			
	private ArrayList<JButton> buttonsKeyboard = null;
	
	public ArabicToUnicode()
	{
		super("ArabicToUnicode");
		/*Enumeration keys = UIManager.getDefaults().keys();
		while(keys.hasMoreElements())
			System.out.println(keys.nextElement());*/
		characters = new ArrayList<String>();				//La liste des caractères saisies
		w = 600;
		h = 530;
		x = ((int)Toolkit.getDefaultToolkit().getScreenSize().getWidth()-w)/2;
		y = ((int)Toolkit.getDefaultToolkit().getScreenSize().getHeight()-h)/2;
		
		Font f_albattar = null;
		try{
			//Cette Font n'est pas enregistré dans le système, on doit donc la créer
			f_albattar = Font.createFont(Font.TRUETYPE_FONT , new File("ae_AlBattar.ttf"));
		} catch (Exception e){
			e.printStackTrace();
		}
		
		txtArab = new JTextField(70);
		txtArab.setPreferredSize(new Dimension(500, 28));
		if (f_albattar != null)
			txtArab.setFont(f_albattar.deriveFont(14f));
		//Je précise un PlainDocument personnalisé pour surveiller l'insertion et la suppression dans le JTextField (voir la classe plus loin)
		txtArab.setDocument(new MyPlainDocument());
		//Le texte du bouton est en arabe, donc ce que vous voyez est le code unicode 
		btnTranslate = new JButton("\u062d\u064e\u0648\u0651\u0650\u0644\u0652");
		btnTranslate.setPreferredSize(new Dimension(70, 28));
		if (f_albattar != null)
			btnTranslate.setFont(f_albattar.deriveFont(Font.BOLD, 12f));
		btnTranslate.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent ae)
			{
				for (int i = 0; i < characters.size(); i++)	
				{											// 
					if (characters.get(i).equals(" "))
						txtUnicode.append(" ");
					else
						txtUnicode.append(getUnicode(characters.get(i)));//Pour chaque caractère dans la liste, on récupère son code 
				}														// Unicode, et on l'ajoute à la JTextArea		
				txtArab.setText("");									// Et finalement, on vide la JTextField
			}
		});
		
		SpringLayout springLayoutTop = new SpringLayout();
		pnTop = new JPanel(springLayoutTop);
		pnTop.setPreferredSize(new Dimension(w, 50));
		pnTop.setMaximumSize(new Dimension((int)Toolkit.getDefaultToolkit().getScreenSize().getWidth(), 50));
		
		springLayoutTop.putConstraint(SpringLayout.WEST, txtArab, 10, SpringLayout.WEST, pnTop);
		springLayoutTop.putConstraint(SpringLayout.NORTH, txtArab, 10, SpringLayout.NORTH, pnTop);
		springLayoutTop.putConstraint(SpringLayout.WEST, btnTranslate, 10, SpringLayout.EAST, txtArab);
		springLayoutTop.putConstraint(SpringLayout.NORTH, btnTranslate, 10, SpringLayout.NORTH, pnTop);
		springLayoutTop.putConstraint(SpringLayout.EAST, pnTop, 10, SpringLayout.EAST, btnTranslate);
		
		pnTop.add(txtArab);
		pnTop.add(btnTranslate);
		
		txtUnicode = new JTextArea(5, 50);
		scroll = new JScrollPane(txtUnicode);
		btnToClipboard = new JButton("\u0625\u0650\u0646\u0652\u0633\u064e\u062e\u0652");
		if (f_albattar != null)
			btnToClipboard.setFont(f_albattar.deriveFont(Font.BOLD, 12f));
		btnToClipboard.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent ae)
			{
				try{
					//On récupère le presse-papier du système
					Clipboard clipBrd = Toolkit.getDefaultToolkit().getSystemClipboard();
					// On copie le contenu de la JTextArea dans le presse-papier du système
					clipBrd.setContents(new StringSelection(txtUnicode.getText()), null);
				} catch(Exception e){
					e.printStackTrace();
				}
			}
		});
		
		SpringLayout springLayoutCenter = new SpringLayout();
		pnCenter = new JPanel(springLayoutCenter);
		pnCenter.setPreferredSize(new Dimension(w, 150));
		pnCenter.setMaximumSize(new Dimension((int)Toolkit.getDefaultToolkit().getScreenSize().getWidth(), 150));
		
		springLayoutCenter.putConstraint(SpringLayout.WEST, scroll, 10, SpringLayout.WEST, pnCenter);
		springLayoutCenter.putConstraint(SpringLayout.EAST, pnCenter, 10, SpringLayout.EAST, pnTop);
		springLayoutCenter.putConstraint(SpringLayout.EAST, pnCenter, 10, SpringLayout.EAST, scroll);
		springLayoutCenter.putConstraint(SpringLayout.WEST, btnToClipboard, 0, SpringLayout.WEST, scroll);
		springLayoutCenter.putConstraint(SpringLayout.NORTH, btnToClipboard, 10, SpringLayout.SOUTH, scroll);
		
		pnCenter.add(scroll);
		pnCenter.add(btnToClipboard);

		//SpringLayout springLayoutKeyboard = new SpringLayout();
		pnKeyboardAr = new JPanel(new GridLayout(5, 12));
		
		buttonsKeyboard = new ArrayList<JButton>();
		buttonsKeyboard.add(new JButton("\u0622"));
		buttonsKeyboard.add(new JButton("\u0627"));
		buttonsKeyboard.add(new JButton("\u0623"));
		buttonsKeyboard.add(new JButton("\u0625"));
		buttonsKeyboard.add(new JButton("\u0621"));
		buttonsKeyboard.add(new JButton("\u0628"));
		buttonsKeyboard.add(new JButton("\u062A"));
		buttonsKeyboard.add(new JButton("\u0629"));
		buttonsKeyboard.add(new JButton("\u062B"));	
		buttonsKeyboard.add(new JButton("\u062C"));
		buttonsKeyboard.add(new JButton("\u062D"));
		buttonsKeyboard.add(new JButton("\u062E"));
		buttonsKeyboard.add(new JButton("\u062F"));
		buttonsKeyboard.add(new JButton("\u0630"));		
		buttonsKeyboard.add(new JButton("\u0631"));
		buttonsKeyboard.add(new JButton("\u0632"));
		buttonsKeyboard.add(new JButton("\u0633"));
		buttonsKeyboard.add(new JButton("\u0634"));
		buttonsKeyboard.add(new JButton("\u0635"));
		buttonsKeyboard.add(new JButton("\u0636"));
		buttonsKeyboard.add(new JButton("\u0637"));		
		buttonsKeyboard.add(new JButton("\u0638"));
		buttonsKeyboard.add(new JButton("\u0639"));
		buttonsKeyboard.add(new JButton("\u063A"));
		buttonsKeyboard.add(new JButton("\u0641"));
		buttonsKeyboard.add(new JButton("\u0642"));		
		buttonsKeyboard.add(new JButton("\u0643"));
		buttonsKeyboard.add(new JButton("\u0644"));
		buttonsKeyboard.add(new JButton("\u0645"));
		buttonsKeyboard.add(new JButton("\u0646"));
		buttonsKeyboard.add(new JButton("\u0647"));
		buttonsKeyboard.add(new JButton("\u0648"));
		buttonsKeyboard.add(new JButton("\u064A"));
		buttonsKeyboard.add(new JButton("\u064B"));
		buttonsKeyboard.add(new JButton("\u064D"));
		buttonsKeyboard.add(new JButton("\u064E"));
		buttonsKeyboard.add(new JButton("\u064F"));
		buttonsKeyboard.add(new JButton("\u0650"));
		buttonsKeyboard.add(new JButton("\u0651"));
		buttonsKeyboard.add(new JButton("\u0652"));
		
		buttonsKeyboard.add(new JButton("\u0660"));
		buttonsKeyboard.add(new JButton("\u0661"));
		buttonsKeyboard.add(new JButton("\u0662"));		
		buttonsKeyboard.add(new JButton("\u0663"));
		buttonsKeyboard.add(new JButton("\u0664"));
		buttonsKeyboard.add(new JButton("\u0665"));
		buttonsKeyboard.add(new JButton("\u0666"));
		buttonsKeyboard.add(new JButton("\u0667"));
		buttonsKeyboard.add(new JButton("\u0668"));
		buttonsKeyboard.add(new JButton("\u0669"));
		
		
		if (f_albattar != null)
			for (int i = 0; i < buttonsKeyboard.size(); i++)
				buttonsKeyboard.get(i).setFont(f_albattar.deriveFont(30f));
		for (int i = 0; i < buttonsKeyboard.size(); i++)
		{
			pnKeyboardAr.add(buttonsKeyboard.get(i));
			buttonsKeyboard.get(i).addActionListener(new ActionListener()
			{
				public void actionPerformed(ActionEvent ae)
				{	//Puisque je n'ai pas précisé l'actioncommand des boutons, getActionCommand() retourne le texte des boutons
					txtArab.setText(txtArab.getText()+ae.getActionCommand());
					txtArab.requestFocusInWindow();	//On remet le focus dans la zone de texte
				}
			});
		}
		
		setContentPane(new Box(BoxLayout.PAGE_AXIS));
		getContentPane().add(pnTop);
		getContentPane().add(Box.createVerticalStrut(10));
		getContentPane().add(pnCenter);
		getContentPane().add(Box.createVerticalStrut(10));
		getContentPane().add(pnKeyboardAr);
		//getContentPane().add(Box.createVerticalGlue());
		
		Locale l = new Locale("ar");	
		//L'orientation de la fenêtre et de ses enfants (droite->gauche)
		applyComponentOrientation(ComponentOrientation.getOrientation(l)); 
		setLocale(l);			//On définit la Locale de la JFrame comme étant l'arabe
		txtUnicode.setLocale(Locale.FRENCH);////On définit la Locale de la JTextArea comme étant le français. (pas besoin de l'arabe)
		txtUnicode.applyComponentOrientation(ComponentOrientation.getOrientation(Locale.FRENCH));
		setBounds(x, y, w, h);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		setVisible(true);
	}
		
	private class MyPlainDocument extends PlainDocument
	{
		public void insertString(int offs, String str, AttributeSet a) throws BadLocationException
		{
			if (str.equals(" ") || 
					(str.codePointAt(0) >= 0x600 && str.codePointAt(0) <= 0x6ff))//Les caractères arabes sont compris entre 
			{																	//0600 et 06FF (hexadécimal bien sûr)
				for(int i = 0; i < str.length(); i++)
				{	
					characters.add(str.substring(i, i+1));	//On remplit notre liste
				}
				super.insertString(offs, str, a);
			}
			else
			{
				JOptionPane.showMessageDialog(ArabicToUnicode.this, "This is not an arabic character.", 
						"\u0625\u0646\u0630\u0627\u0631", JOptionPane.WARNING_MESSAGE);
			}
		}
		public void remove(int offs, int len) throws BadLocationException
		{
			for (int i = offs; i < offs+len; i++)	//Les éléments de l'ArrayList sont décalés à gauche après chaque suppression,
				characters.remove(offs);			//par exp, on a remove(1, 3), on supprime d'abord l'élément 1, décalage à gauche,
			super.remove(offs, len);				// l'élément 2 prends la place 1, et ainsi de suite.
		}
	}
	
	private String getUnicode(String arChar)
	{
		// La méthode codePointAt(int i) de la classe String retourne le code unicode du caractère à l'index i en décimal
		// La méthode Integer.toHexString(int code) retourne la chaine qui représente l'argument int en héxadécimal 
		String code = "\\u0" + Integer.toHexString(arChar.codePointAt(0));
		return code;
	}
	
	public static void main(String[] args)
	{
		//Je change le texte affiché par le bouton ok de la JOptionPane
		UIManager.put("OptionPane.okButtonText", "\u0645\u0648\u0627\u0641\u0642");
		SwingUtilities.invokeLater(new Runnable(){
			public void run()
			{
				new ArabicToUnicode();
			}
		});
	}
}