tp10

DEV2.1/Evenement_suite/Playlist.java

@@ -1,32 +1,39 @@
 import javax.swing.*;
 import java.awt.*;
 import java.awt.event.*;
-import java.awt.Color.*;
 
-public class Playlist extends JFrame implements MouseListener{
+public class Playlist extends JFrame implements MouseListener {
+    
     @Override
-    void mouseClicked(MouseEvent evenement){
-        evenement.setBackground(COLOR.GREY);
-        repaint();
-    }
-    @Override
-    void mouseEntered(MouseEvent evenement){
-        evenement.setBackground(COLOR.CYAN);
-        repaint();
-    }
-    @Override
-    void mouseExited(MouseEvent evenement){
+    public void mouseClicked(MouseEvent e) {
+        this.setBackground(Color.LIGHT_GRAY);
         repaint();
     }
 
-    public static void main(String[] args) {
-        JFrame fenetre = new JFrame();
-        fenetre.setSize(300, 200);
-        fenetre.setTitle("Playlist");
-        GridLayout grid = new GridLayout(9, 1);
-        grid.setVgap(-15);
-        fenetre.setLayout(grid);
-        fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    @Override
+    public void mouseEntered(MouseEvent e) {
+        this.setBackground(Color.CYAN);
+        repaint();
+    }
+
+    @Override
+    public void mouseExited(MouseEvent e) {
+        this.setBackground(Color.WHITE);
+        repaint();
+    }
+
+    // Les méthodes suivantes ne sont pas utilisées mais doivent être implémentées en raison de l'interface MouseListener
+    @Override
+    public void mousePressed(MouseEvent e) {}
+
+    @Override
+    public void mouseReleased(MouseEvent e) {}
+
+    public Playlist() {
+        super("Playlist");
+        setSize(300, 200);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setLayout(new GridLayout(9, 1));
 
         JLabel mus1 = new JLabel("Speak To Me/Breathe");
         JLabel mus2 = new JLabel("On The Run");
@@ -38,24 +45,17 @@ public class Playlist extends JFrame implements MouseListener{
         JLabel mus8 = new JLabel("Brain Damage");
         JLabel mus9 = new JLabel("Eclipse");
 
-        JLabel[] tab = null;
-        tab = new JLabel[] {mus1,mus2,mus3,mus4,mus5,mus6,mus7,mus8,mus9};
+        JLabel[] tab = {mus1, mus2, mus3, mus4, mus5, mus6, mus7, mus8, mus9};
 
-        for (int i=0; i<9; i++){
-            mouseClicked(tab[i]);
-            mouseEntered(tab[i]);
-            mouseExited(tab[i]);
+        for (JLabel label : tab) {
+            label.addMouseListener(this);
+            add(label);
         }
 
-        fenetre.add(mus1);
-        fenetre.add(mus2);
-        fenetre.add(mus3);
-        fenetre.add(mus4);
-        fenetre.add(mus5);
-        fenetre.add(mus6);
-        fenetre.add(mus7);
-        fenetre.add(mus8);
-        fenetre.add(mus9);
-        fenetre.setVisible(true);
+        setVisible(true);
+    }
+
+    public static void main(String[] args) {
+        Playlist play = new Playlist();
     }
 }