Bonjour
j'ai un probléme avec le drag and drop que j'essaye de mettre en place pour un jeu de scrabble. En fait jai un panel en haut contenant les lettres que je dispose et je souhaiterais les déplacer dans le panel en dessous contenant une grille de couleur , seul probléme les lettre glisse en dessous de leur cadre , comment faire ??
voiçi mon code

//cf 330

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 
 ImageIcon A = new ImageIcon("A.jpg");
 JLabel img = new JLabel(A);
 pioche[0].add(img);
 System.out.println(A.getDescription() + "|" + A.getIconHeight()+"|");
run:
A.jpg|-1
 
ImageIO.read("A.jpg");
 
 
 */
 
//package clabbers;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JLayeredPane;
import javax.swing.JPanel;
import java.io.*;
import java.net.*;
import java.awt.*;
import javax.swing.*;
import java.awt.Event;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
 
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JLayeredPane;
import javax.swing.JPanel;
 
/**
 *
 * @author Crocket7
 */
 
 
public class clabbers extends JFrame implements MouseMotionListener{
    static JLabel[] label = new JLabel[100];
    //représentation du damier
    static public JPanel grille[][] = new JPanel [16][16];
//    grille.setOpaque(false);
    //la premiere dimension est l'ordonnée
 
    //représentation de la pioche
    static public JPanel pioche[] = new JPanel [7];
 
    //représentation des lettres
    //ce tableau represente le nombre de pions pour chaque lettre
    //indice d'une lettre = (code asci lettre - code asci "A")
    //indice 27 = JOKER
    static public int[] pions = new int[27];
 
    static public int[] pointsParPion = new int[27];
 
    static private JMenuBar menuBar;
 
    static public JLabel[] lettre = new JLabel[27];
 
    static public JPanel panel2;
    static public JLayeredPane dragLayer;
    static public JLabel temp2;
    int nbCopie=0;    
 
    //initialisation des pions de chaque lettres
    public static void initPions(){
 
        pions['A'-'A'] = 9;
        pions['B'-'A'] = 2;
        pions['C'-'A'] = 2;
        pions['D'-'A'] = 3;
        pions['E'-'A'] = 15;
        pions['F'-'A'] = 2;
        pions['G'-'A'] = 2;
        pions['H'-'A'] = 2;
        pions['I'-'A'] = 8;
        pions['J'-'A'] = 1;
        pions['K'-'A'] = 1;
        pions['L'-'A'] = 5;
        pions['M'-'A'] = 3;
        pions['N'-'A'] = 6;
        pions['O'-'A'] = 6;
        pions['P'-'A'] = 2;
        pions['Q'-'A'] = 1;
        pions['R'-'A'] = 6;
        pions['S'-'A'] = 6;
        pions['T'-'A'] = 6;
        pions['U'-'A'] = 6;
        pions['V'-'A'] = 2;
        pions['W'-'A'] = 1;
        pions['X'-'A'] = 1;
        pions['Y'-'A'] = 1;
        pions['Z'-'A'] = 1;
 
        //nombre de joker
        pions['Z'-'A'+1] = 2;
    }
 
    public static void initPointsParPion(){
 
        pointsParPion['A'-'A'] = 1;
        pointsParPion['B'-'A'] = 3;
        pointsParPion['C'-'A'] = 3;
        pointsParPion['D'-'A'] = 2;
        pointsParPion['E'-'A'] = 1;
        pointsParPion['F'-'A'] = 4;
        pointsParPion['G'-'A'] = 2;
        pointsParPion['H'-'A'] = 4;
        pointsParPion['I'-'A'] = 1;
        pointsParPion['J'-'A'] = 8;
        pointsParPion['K'-'A'] = 10;
        pointsParPion['L'-'A'] = 1;
        pointsParPion['M'-'A'] = 2;
        pointsParPion['N'-'A'] = 1;
        pointsParPion['O'-'A'] = 1;
        pointsParPion['P'-'A'] = 3;
        pointsParPion['Q'-'A'] = 8;
        pointsParPion['R'-'A'] = 1;
        pointsParPion['S'-'A'] = 1;
        pointsParPion['T'-'A'] = 1;
        pointsParPion['U'-'A'] = 1;
        pointsParPion['V'-'A'] = 4;
        pointsParPion['W'-'A'] = 10;
        pointsParPion['X'-'A'] = 10;
        pointsParPion['Y'-'A'] = 10;
        pointsParPion['Z'-'A'] = 10;
 
        //points du joker
        pointsParPion['Z'-'A'+1] = 0;
    }
 
 
    public static void initLettre()
    {
	lettre['A'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/A.jpg"));
        lettre['B'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/B.jpg"));
        lettre['C'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/C.jpg"));
        lettre['D'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/D.jpg"));
        lettre['E'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/E.jpg"));
        lettre['F'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/F.jpg"));
        lettre['G'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/G.jpg"));
        lettre['H'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/H.jpg"));
        lettre['I'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/I.jpg"));
        lettre['J'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/J.jpg"));
        lettre['K'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/K.jpg"));
        lettre['L'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/L.jpg"));
        lettre['M'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/M.jpg"));
        lettre['N'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/N.jpg"));
        lettre['O'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/O.jpg"));
        lettre['P'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/P.jpg"));
        lettre['Q'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/Q.jpg"));
        lettre['R'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/R.jpg"));
        lettre['S'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/S.jpg"));
        lettre['T'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/T.jpg"));
        lettre['U'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/U.jpg"));
        lettre['V'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/V.jpg"));
        lettre['W'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/W.jpg"));
        lettre['X'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/X.jpg"));
        lettre['Y'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/Y.jpg"));
        lettre['Z'-'A'] = new JLabel(new ImageIcon("Letters/Letters 30x30/Z.jpg"));
/*
JButton A = new JButton(new ImageIcon("Letters/Letters 30x30/A.jpg"));
	//ImageIcon image2 = new ImageIcon("Letters 30x30/B.jpg");
        JButton B = new JButton(new ImageIcon("Letters/Letters 30x30/B.jpg"));
        //A.setText(null);
        //A.setFocusPainted(false);
        //A.setBorderPainted(false);
        //A.setContentAreaFilled(false);
	A.setPreferredSize(new Dimension(30,30));
	A.setMaximumSize(A.getPreferredSize());
        A.setBounds(0, 0, 10, 10);
	*/
 
        //points du joker
//        lettre['Z'-'A'+1] = new JButton(new ImageIcon("Letters/Letters 30x30/A.jpg"));
 
 
    }
 
    public static void initColor(){
 
        //initialisation des cases rouges
        grille[1][1].setBackground(Color.red);
        grille[1][8].setBackground(Color.red);
        grille[1][15].setBackground(Color.red);
        grille[8][1].setBackground(Color.red);
        grille[8][15].setBackground(Color.red);
        grille[15][1].setBackground(Color.red);
        grille[15][8].setBackground(Color.red);
        grille[15][15].setBackground(Color.red);
 
        //initialisation des cases bleues
        grille[2][6].setBackground(Color.blue);
        grille[2][10].setBackground(Color.blue);
        grille[6][2].setBackground(Color.blue);
        grille[6][6].setBackground(Color.blue);
        grille[6][10].setBackground(Color.blue);
        grille[6][14].setBackground(Color.blue);
        grille[10][2].setBackground(Color.blue);
        grille[10][6].setBackground(Color.blue);
        grille[10][10].setBackground(Color.blue);
        grille[10][14].setBackground(Color.blue);
        grille[14][6].setBackground(Color.blue);
        grille[14][10].setBackground(Color.blue);
 
        //initialisation des cases roses
        grille[2][2].setBackground(Color.pink);
        grille[3][3].setBackground(Color.pink);
        grille[4][4].setBackground(Color.pink);
        grille[5][5].setBackground(Color.pink);
        grille[11][11].setBackground(Color.pink);
        grille[12][12].setBackground(Color.pink);
        grille[13][13].setBackground(Color.pink);
        grille[14][14].setBackground(Color.pink);
        grille[8][8].setBackground(Color.pink);
        grille[2][14].setBackground(Color.pink);
        grille[3][13].setBackground(Color.pink);
        grille[4][12].setBackground(Color.pink);
        grille[5][11].setBackground(Color.pink);
        grille[11][5].setBackground(Color.pink);
        grille[12][4].setBackground(Color.pink);
        grille[13][3].setBackground(Color.pink);
        grille[14][2].setBackground(Color.pink);
 
        //initialisation des cases bleues claires
        grille[1][4].setBackground(Color.cyan);
        grille[1][12].setBackground(Color.cyan);
        grille[3][7].setBackground(Color.cyan);
        grille[3][9].setBackground(Color.cyan);
        grille[4][1].setBackground(Color.cyan);
        grille[4][8].setBackground(Color.cyan);
        grille[4][15].setBackground(Color.cyan);
        grille[7][3].setBackground(Color.cyan);
        grille[7][7].setBackground(Color.cyan);
        grille[7][9].setBackground(Color.cyan);
        grille[7][13].setBackground(Color.cyan);
        grille[8][4].setBackground(Color.cyan);
        grille[8][12].setBackground(Color.cyan);
        grille[9][3].setBackground(Color.cyan);
        grille[9][7].setBackground(Color.cyan);
        grille[9][9].setBackground(Color.cyan);
        grille[9][13].setBackground(Color.cyan);
        grille[12][1].setBackground(Color.cyan);
        grille[12][8].setBackground(Color.cyan);
        grille[12][15].setBackground(Color.cyan);
        grille[13][7].setBackground(Color.cyan);
        grille[13][9].setBackground(Color.cyan);
        grille[15][4].setBackground(Color.cyan);
        grille[15][12].setBackground(Color.cyan);
 
    }
 
 
    public clabbers()
    {	System.out.println("pomme");
	  JFrame f = new JFrame();
	    JPanel panel = (JPanel) f.getContentPane();
	    JPanel lettres = new JPanel();
	    JPanel commande = new JPanel();
	    JPanel tchat = new JPanel();
	    panel2 = new JPanel(null);
	    dragLayer = getLayeredPane();
	    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
	    int i, j;
 
        //definition de l'afficheur souhaité
        GridBagLayout gridbag = new GridBagLayout();
        GridBagConstraints c = new GridBagConstraints();
	    panel.setLayout(gridbag);
 
        //definition de l'afficheur souhaité pour les lettres
        GridBagLayout gridLettres = new GridBagLayout();
        GridBagConstraints l = new GridBagConstraints();
        lettres.setLayout(gridLettres);
 
 
	    f.setTitle("Clabbers");
        f.setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
	    f.setSize(new Dimension(1024, 960));
        f.setBackground(Color.black);
	    f.setResizable(true);
 
        commande.setBackground(Color.red);
        tchat.setBackground(Color.pink);
 
        //declaration du bouton qui servira Ã* initialisé les lettres
        JButton button;
        FlowLayout flow;
        //initialisation de la premiere ligne et premiere colonne (ordonnée, abcisse)
        for(j=0; j<16; j++){
            grille[0][j] = new JPanel();
            grille[0][j].setBackground(Color.white);
 
            //ajout des chiffres de la grille
            if(j!=0){
                button = new JButton(java.lang.Integer.toString(j));
                button.setFont(new Font(Font.SERIF, Font.BOLD, 10));
                button.setFocusPainted(false);
                button.setBorderPainted(false);
                button.setContentAreaFilled(false);
                flow = (FlowLayout) grille[0][j].getLayout();
                flow.setAlignment(java.awt.FlowLayout.CENTER);
                grille[0][j].add(button);
                grille[0][1].setPreferredSize(new Dimension(20,20));
                //pour uniformiser la taille des nombres Ã* un chiffre et Ã* deux chiffres
                grille[0][j].setPreferredSize(grille[0][1].getPreferredSize());
                grille[0][j].setMinimumSize(grille[0][1].getMinimumSize());
                grille[0][j].setMaximumSize(grille[0][1].getMaximumSize());
                //ajout au gridbag
                c.gridx = j + 1;
                c.gridy = 4;
                c.weightx = 1.0;
                c.weighty = 1.0;
                c.fill = GridBagConstraints.BOTH;
                c.insets = new Insets(1,1,1,1);
                ajoutCase(lettres, grille[0][j], gridLettres, c);
            }
 
            //ajout de la ligne contenant les abcisses (chiffres)
            //damier.add(grille[0][j]);
 
        }
        for(j=0; j<16; j++){
            grille[j][0] = new JPanel();
            grille[j][0].setBackground(Color.white);
            grille[j][0].setPreferredSize(grille[0][1].getPreferredSize());
        }
 
 
 
	    //boucle pour avoir une grille de 15 colonnes sur 15 lignes
        //ajout des JPanel dans l'ordre
        //premier ligne = chiffres
        //premiere colonnes = lettres
        char a;
	    for (i = 1; i<16; i++){
 
            //ajout des ordonnées (lettres)
            a = (char)('A' + i - 1);
            button = new JButton(java.lang.Character.toString(a));
            button.setFocusPainted(false);
            button.setBorderPainted(false);
            button.setContentAreaFilled(false);
            button.setBounds(0, 0, 10, 10);
            flow = (FlowLayout) grille[i][0].getLayout();
            flow.setAlignment(java.awt.FlowLayout.CENTER);
            grille[i][0].setPreferredSize(grille[0][1].getPreferredSize());
            grille[i][0].add(button);
            //damier.add(grille[i][0]);
            //ajout au gridbag
            c.gridx = 0;
            c.gridy = 4 + i;
            ajoutCase(lettres, grille[i][0], gridLettres, c);
 
	         for (j = 1; j<16; j++) {
 
                grille[i][j] = new JPanel();
                grille[i][j].setPreferredSize(grille[0][1].getPreferredSize());
                grille[i][j].setBackground(Color.lightGray);
                //damier.add(grille[i][j]);
                //ajout au gridbag
                c.gridx = 1 + j;
                c.gridy = 4 + i;
                ajoutCase(lettres, grille[i][j], gridLettres, c);
             }
        }
 
        for(i=0;i<7;i++){
            pioche[i] = new JPanel();
            pioche[i].setBackground(Color.white);
            pioche[i].setPreferredSize(grille[0][1].getPreferredSize());
            //lettres.add(pioche[i]);
            //ajout au gridbag
            c.gridx = i + 5 + 1;
            c.gridy = 2;
            ajoutCase(lettres, pioche[i], gridLettres, c);
        }
 
        //initialisation de la couleur des cases du damier
        initColor();
 
        //initialisation de la barre de menus
        initMenu();
 
        //initialisation des pions (lettres)
        initPions();
 
        //initialisations des points par pions
        initPointsParPion();
 
	initLettre();
 
createCopy();
/*	for(int compteur = 0;compteur<7;compteur++)
	{
	      initLettre();
	      // génére un nombre aléatoire entre 0 et 25
	      int rand = ( (int) Math.floor( Math.random() * 25 ) ) + 1;
 
	      while(pions[rand] == 0)
		   { rand++;
		     if(rand == 26)
			rand = 0;
 
		      System.out.println("rand dans while = " + rand);
		   }
 
	      pioche[compteur].add(lettre[rand]);
	      pions[rand]--;
	      System.out.println("rand = " + rand + " compteur = " + compteur);
	}
*/
 
        f.setJMenuBar(menuBar);
 
        //ajout au gridbaglayout du Panel lettres
        c.gridx = 1;
        c.gridy = 1;
        c.gridwidth = 17;
        c.gridheight = 18;
        ajoutCase(panel, lettres, gridbag,c);
 
        //ajout au gridbaglayout du Panel commande
        c.gridx = 18;
        c.gridy = 1;
        c.gridwidth = 17;
        c.gridheight = 9;
        ajoutCase(panel, commande, gridbag, c);
 
        //ajout au gridbag du Panel tchat
        c.gridx = 18;
        c.gridy = 10;
        c.gridwidth = 17;
        c.gridheight = 9;
        ajoutCase(panel, tchat, gridbag, c);
 
        f.setVisible(true);
    }
 
 
    private static void initMenu(){
 
        menuBar = new JMenuBar();
 
        //creation des menus
        JMenu fileMenu = new JMenu("File");
        JMenu gameMenu = new JMenu("Game");
 
	//creation des options au différents menus
	JMenuItem game1 = new JMenuItem("new game");
	JMenuItem menu1 = new JMenuItem("save");
	JMenuItem menu2 = new JMenuItem("load");
 
	//ajout des options dans les menus
	gameMenu.add(game1);
	fileMenu.add(menu1);
	fileMenu.add(menu2);
 
        //ajout des menus Ã* la barre de menus
        menuBar.add(fileMenu);
        menuBar.add(gameMenu);
    }
 
    private static void ajoutCase(JPanel p, JPanel j, GridBagLayout g, GridBagConstraints c){
 
        g.setConstraints(j, c);
        p.add(j);
    }
 
    public static void main (String[]arg){
	  new clabbers();
}	    
 
public void afficheImage(){
 
grille[2][2].add(lettre[10]);
 
}
 
 
 
public void createCopy(){// créé une nouvelle copie de l'image
 
initLettre();
for(nbCopie = 0; nbCopie<=6; nbCopie++)
{
pioche[nbCopie].add(lettre[nbCopie]);
System.out.println("nbCopie1 = " + nbCopie);
}
//initialise l'image
for(nbCopie = 0; nbCopie<=6; nbCopie++){
 
lettre[nbCopie].setBounds(20,20,120,160); // initialise sa position aux coordonnéees 0,0
lettre[nbCopie].addMouseMotionListener(this);
lettre[nbCopie].addMouseListener(new MouseAdapter() {
public void mouseReleased(MouseEvent e) {
if (temp2 != null) {
dragLayer.remove(temp2);
Point loc = temp2.getLocation();
loc.translate(panel2.getX(), panel2.getY());
temp2.setLocation(loc);}
System.out.println("loc = " + temp2.getLocation());
if(temp2.getX() < 0){
dragLayer.repaint();
System.out.println("vive les merguez 1");
}
System.out.println("X2 = " + temp2.getX());
System.out.println("Y2 = " + temp2.getY());
 
System.out.println("temp2 = " + temp2);
System.out.println("panel2 = " + panel2);
 
panel2.add(temp2);
/*    
if((temp2.getX() >= -195) && (temp2.getX()<= -165) && (temp2.getY() <= 40) && (temp2.getY() >= 0) )
{
    grille[2][2].add(lettre[nbCopie]);    
    }
*/
temp2 = null;
panel2.repaint();
 
}
 
});
 
//nbCopie++; //incrémente le nombre de copies existantes
System.out.println("copie = " + nbCopie);
}}
 
 
 
 
public void mouseDragged(MouseEvent e) {
if (lettre[nbCopie - 1].getX() != 0 && lettre[nbCopie - 1].getY() != 0) {
temp2 = (JLabel) e.getSource();
 
//pioche[nbCopie - 1].remove(temp2);
temp2.setBounds(temp2.getX()+e.getX()-60,temp2.getY()+e.getY()-80,120,160);
System.out.println("X1 = " + temp2.getX());
System.out.println("Y1 = " + temp2.getY());
//createCopy();
//dragLayer.add(temp2, JLayeredPane.DRAG_LAYER);
}
 
}
 
public void mouseMoved(MouseEvent e) {
}
 
 
 
}
merci d'avance