import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
 
 
public class simplefenetre extends JFrame {
 
	private JPanel contentPane;
	private static JTextField textField;
	private static JTextField textField_1;
	private static JTextField textField_2;
	private static JTextField textField_3;
	private JTextField textField_4;
 
 
 
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					simplefenetre frame = new simplefenetre();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}
 
	/* Le constructeur */
 
	public simplefenetre() { 
 
 
		setTitle("Traiter vos fichiers");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(new GridBagLayout());
 
		// Button "OK"
		JButton btnOk = new JButton("OK");
		btnOk.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {	
				// On lit les 5 champs 
 
				String zoneB = textField.getText();
				String zoneE = textField_1.getText();
				String valueB = textField_2.getText();
				String valueE = textField_3.getText();
				String filename = textField_4.getText();
 
				// On appelle la méthode de l'autre classe 
				new Finally().traiterFichier(zoneB, zoneE, valueB, valueE, filename);
 
			}	
 
		});
  
		textField_4 = new JTextField();
		contentPane.add(textField_4, new GridBagConstraints(0,0,2,1,1,0,GridBagConstraints.BASELINE_TRAILING, GridBagConstraints.HORIZONTAL, new Insets(2,2,2,2), 0, 0));

		// Button "PARCOURIR"
		 
		JButton btnParcourir = new JButton("PARCOURIR");
		btnParcourir.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				browseFile();  // sert au bouton PARCOURIR d'aller chercher un fichier x 			
			}
		});
 
	
		
		// On créer les composants de saisies .
		JLabel zoneBLabel = new JLabel("ZONE_B");
		contentPane.add(zoneBLabel, new GridBagConstraints(0,1,1,1,0,0,GridBagConstraints.BASELINE_TRAILING, GridBagConstraints.NONE, new Insets(2,2,2,2), 0, 0));
 
		JLabel zoneELabel = new JLabel("ZONE_E");
		contentPane.add(zoneELabel, new GridBagConstraints(0,2,1,1,0,0,GridBagConstraints.BASELINE_TRAILING, GridBagConstraints.NONE, new Insets(2,2,2,2), 0, 0));

		JLabel valueBLabel = new JLabel("VALUE_B");
		contentPane.add(valueBLabel, new GridBagConstraints(0,3,1,1,0,0,GridBagConstraints.BASELINE_TRAILING, GridBagConstraints.NONE, new Insets(2,2,2,2), 0, 0));
		
		JLabel valueELabel = new JLabel("VALUE_E");
		contentPane.add(valueELabel, new GridBagConstraints(0,4,1,1,0,0,GridBagConstraints.BASELINE_TRAILING, GridBagConstraints.NONE, new Insets(2,2,2,2), 0, 0));
 
		textField = new JTextField(Finally.ZONE_B);
		contentPane.add(textField, new GridBagConstraints(1,1,2,1,1,0,GridBagConstraints.BASELINE_LEADING, GridBagConstraints.HORIZONTAL, new Insets(2,2,2,2), 0, 0));
 
		textField_1 = new JTextField(Finally.ZONE_E);
		contentPane.add(textField_1, new GridBagConstraints(1,2,2,1,1,0,GridBagConstraints.BASELINE_LEADING, GridBagConstraints.HORIZONTAL, new Insets(2,2,2,2), 0, 0));
 
		textField_2 = new JTextField(Finally.VALUE_B);
		contentPane.add(textField_2, new GridBagConstraints(1,3,2,1,1,0,GridBagConstraints.BASELINE_LEADING, GridBagConstraints.HORIZONTAL, new Insets(2,2,2,2), 0, 0));
 
		textField_3 = new JTextField(Finally.VALUE_E);
		contentPane.add(textField_3, new GridBagConstraints(1,4,2,1,1,0,GridBagConstraints.BASELINE_LEADING, GridBagConstraints.HORIZONTAL, new Insets(2,2,2,2), 0, 0));
 
 
		 
		JPanel buttonPane = new JPanel(new FlowLayout(FlowLayout.TRAILING));
		contentPane.add(buttonPane, new GridBagConstraints(0, 5, 3, 1, 1, 1, GridBagConstraints.NORTH, GridBagConstraints.HORIZONTAL, new Insets(2,2,2,2), 0, 0));
		buttonPane.add(btnOk);
 
		contentPane.add(btnParcourir, new GridBagConstraints(2,0,1,1,0,0,GridBagConstraints.BASELINE_LEADING, GridBagConstraints.NONE, new Insets(2,2,2,2),0,0));
 
		// Button "ANNULER"
 
		JButton btnAnnuler = new JButton("ANNULER");
		btnAnnuler.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				System.exit(0);
			}
		});
 
		buttonPane.add(btnAnnuler);
 

 
 
	}
 
	private void browseFile() {
		JFileChooser fileChooser = new JFileChooser();
		fileChooser.setDialogTitle("Choisir le fichier...");
		fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
		fileChooser.setMultiSelectionEnabled(false);
		if ( !textField_4.getText().isEmpty() ) { // faire bien attention : bien faire correspondre notre textField choisi, ici le textField_4
			fileChooser.setSelectedFile(new File(textField.getText()));
		}
		// il y a plein d'autres méthodes pour customiser le composant (filtre sur les fichiers par exemple) : voir doc.
		if ( fileChooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION ) { 
			textField_4.setText(  fileChooser.getSelectedFile().getAbsolutePath().toString() );
		}
	}
 
}