Bonjour,

Je cherche à développer une interface graphique pour un jeu de sudoku. Je bloque sur la mise en page de ma grille...
Voici mon code:
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
 
/** 
 * @brief       Create the sudoku grid
 * @version 1.1
 * 
 * @copyright 2016 - License BSD 2-Clauses
 * @author 
 * 
 *   
 */
public class Window extends JFrame implements ActionListener {
 
	private MenuBarre Menu = new MenuBarre();
	private JPanel panel = new JPanel();
	private GridLayout grid = new GridLayout(10,9);
	private int NTEXT = 81;
	private JTextField[] cases = new JTextField[NTEXT];
	private JButton solve = new JButton();
 
	public Window() {
		// Check screen size
		Toolkit tk = Toolkit.getDefaultToolkit();
		Dimension screenSize = tk.getScreenSize();
		int xSize = screenSize.width;
		int ySize = screenSize.height;
 
		// Window size
		int width = 500;
		int height = 350;
 
		// Determine window offset (center the frame)
		int xOffset = (xSize - width) / 2;
		int yOffset = (ySize - height) / 2;
 
		// Set a default icon - try/catch block used to prevent path error
		try {
			this.setIconImage(new ImageIcon(this.getClass().getResource("sudoku.png")).getImage());
		} catch (Exception e) {
			System.out.println("Icône absente");
		}
 
		// Define Frame parameters
		this.setBounds(xOffset, yOffset, width, height);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setJMenuBar(Menu.getMenuBar());
		this.setTitle("Sudoku");
 
		panel.setBackground(Color.black);
		panel.setLayout(grid);
 
		createCases();
		createBorder();
 
		// Initialize the solve button
		solve = new JButton ("Résoudre");
		panel.add(solve);
		solve.addActionListener(this);
 
		this.setContentPane(panel);
		this.setVisible(true);
	}
 
	/** 
         * @brief       Loop to create all the sudoku cases
         * 
         * Define the format of each JTextField
         *   
         */
	private void createCases() {
 
		for (int i=0; i< NTEXT; i++) {
			Font ft = new Font ("Verdana", Font.BOLD, 20);
			cases[i] = new JTextField (5);
			cases[i].setHorizontalAlignment(JTextField.CENTER);
			cases[i].setFont(ft);
 
			panel.add(cases[i]);
		}
	}
 
	/** 
         * @brief       Define the layout of the grid
         *
         * 
         * 
         */
	private void createBorder() {
 
		// First cell 
		int[] typeCell = {0,1,2,9,10,11,18,19,20};
 
		int[][] borderCell = new int[9][9];
		int x=0;
		for (int index : typeCell){
			int y=0;
			for (int i=index; i<(index+9); i=i+3){
				for (int j=0; j<81; j=j+(3*(81/9))) {
					borderCell[x][y] = i+j;
					y++;
				}
			}
			x++;
		}
 
		for (int i=0; i<borderCell.length; i++){
			for (int j=0; j<borderCell.length; j++){
				System.out.print(borderCell[i][j] + " ");
			}System.out.println();
		}
		/*
		for (int i=0; i< NTEXT; i++) {
			cases[i].setBorder(BorderFactory.createMatteBorder(1,1,1,1,Color.BLACK));
		}*/
 
		for (int[] borderType : borderCell){
			switch (borderType[0]) {
			case 0:
				for (int i=0; i<borderType.length; i++){
					cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(3,3,1,1,Color.RED));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}
			case 1:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(3,1,1,1,Color.GREEN));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}
			case 2:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(3,1,1,3,Color.BLUE));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}	
			case 9:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(0,0,0,0,Color.BLACK));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}	
			case 10:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(0,0,0,0,Color.BLACK));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}	
			case 11:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(0,0,0,0,Color.BLACK));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}	
			case 18:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(0,0,0,0,Color.BLACK));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}	
			case 19:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(0,0,0,0,Color.BLACK));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}	
			case 20:
				for (int i=0; i<borderType.length; i++){
					//cases[borderType[i]].setBorder(BorderFactory.createMatteBorder(0,0,0,0,Color.BLACK));
					cases[borderType[i]].setText(String.valueOf(borderType[i]));
				}	
			}
		}
 
	}
 
	/** 
         * @brief       Action performed when solve button is clicked
         *
         * 
         * 
         */
	public void actionPerformed (ActionEvent ev) {
 
		for (int i=0; i< NTEXT; i++) {
			String texte = cases[i].getText();
			if (texte != null && !texte.isEmpty()) System.out.println(i + " " + texte);
		}
		//new Algo();
	}
 
}
Ma question porte sur la méthode createBorder(). J'ai raisonné comme suit:
- repérage des cases avec une mise en page identique (coin haut/gauche, bas...etc)
- l'algo me les mets en tableau
- je parse le tableau
- en fonction de la première case j'applique le setBorder

Lorsque je décommente tous les setBorder, seul le dernier est pris en compte. Il écrase toutes les autres mises en page...
D'où peut venir ce problème?

question subsidiaire: Je suis aussi preneur de conseils et de critique sur mon code

merci