TP10 fin

APL2.1/TP10/Commande/Commande.java

@@ -0,0 +1,45 @@
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.*;
+
+class Observer implements ActionListener {
+    public Observer() {}
+
+    public void actionPerformed(ActionEvent evt) {
+        String input = evt.getActionCommand().toLowerCase().trim();
+        JTextField textField = (JTextField)evt.getSource();
+        JPanel panel = (JPanel)textField.getParent();
+
+        if (input.equals("cyan")) panel.setBackground(Color.CYAN);
+        else if (input.equals("jaune")) panel.setBackground(Color.YELLOW);
+        else if (input.equals("magenta")) panel.setBackground(Color.MAGENTA);
+
+        textField.setText("");
+    }
+}
+
+public class Commande {
+
+    public static void main(String[] args) {
+        JFrame f = new JFrame("Fond");
+        f.setSize(200, 200);
+        f.setLocation(100, 100);
+        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        Observer observer = new Observer();
+
+        JTextField t = new JTextField();
+        t.setLocation(0, 0);
+        t.setSize(200, 20);
+        t.addActionListener(observer);
+
+        JPanel p = new JPanel();
+        p.setSize(200, 200);
+        p.setLocation(0, 0);
+        p.setLayout(null);
+
+        f.add(p);
+        p.add(t);
+        f.setVisible(true);
+    }
+}