14 Avril

DEV2.1/TP7:Evenements/Attente.java

@@ -0,0 +1,61 @@
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.*;
+
+public class Attente extends JPanel implements WindowListener{
+
+	boolean plan = false;
+
+	public Attente() {
+    	super();
+    }
+
+	protected void paintComponent(Graphics pinceau) {
+    // obligatoire : on cree un nouveau pinceau pour pouvoir le modifier plus tard
+    Graphics pinceau2 = pinceau.create();
+    	if (this.isOpaque()) {
+      	// obligatoire : on repeint toute la surface avec la couleur de fond
+      	pinceau2.setColor(Color.GREEN);
+      	pinceau2.fillRect(0, 0, this.getWidth(), this.getHeight());
+    	} if (this.plan==true){
+    		pinceau2.setColor(Color.GREEN);
+      		pinceau2.fillRect(0, 0, this.getWidth(), this.getHeight());
+      		pinceau2.setColor(Color.MAGENTA);
+      		pinceau2.fillOval(0, 0, this.getWidth(), this.getHeight());
+    	} else{
+    		pinceau2.setColor(Color.GREEN);
+      		pinceau2.fillRect(0, 0, this.getWidth(), this.getHeight());
+      		pinceau2.setColor(Color.MAGENTA);
+      		int[] x={0,this.getWidth()/2,this.getWidth(),this.getWidth()/2};
+			int[] y={this.getHeight()/2,0,this.getHeight()/2,this.getHeight()};
+			pinceau2.drawPolygon(x,y,x.length);
+			pinceau2.fillPolygon(x,y,x.length);
+    }
+}
+
+    public void windowDeactivated(WindowEvent evenement){
+    	this.plan=false;
+    	this.repaint();
+    }
+
+    public void windowActivated(WindowEvent evenement){
+    	this.plan=true;
+    	this.repaint();
+
+    }
+
+	public void windowClosed(WindowEvent evenement){
+    }
+
+    public void windowClosing(WindowEvent evenement){
+    }
+
+    public void windowDeiconified(WindowEvent evenement){
+    }
+
+    public void windowIconified(WindowEvent evenement){
+    }
+
+    public void windowOpened(WindowEvent evenement){
+    }
+}

DEV2.1/TP7:Evenements/Fond.java

@@ -0,0 +1,36 @@
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.*;
+
+public class Fond extends JPanel implements ActionListener{
+
+	public Fond() {
+		super();
+		JButton magenta = new JButton("magenta");
+		JButton cyan = new JButton("cyan");
+		JButton jaune = new JButton("jaune");
+		this.add(magenta);
+		this.add(cyan);
+		this.add(jaune);
+		magenta.addActionListener(this);
+		cyan.addActionListener(this);
+		jaune.addActionListener(this);
+
+	}
+
+	public void actionPerformed(ActionEvent evenement){
+		String commande = new String();
+		commande="cyan";
+		if(true==commande.equals(evenement.getActionCommand())){
+			this.setBackground(Color.CYAN);
+		}
+		commande="magenta";
+		if(true==commande.equals(evenement.getActionCommand())){
+			this.setBackground(Color.MAGENTA);
+		}
+		commande="jaune";
+		if(true==commande.equals(evenement.getActionCommand())){
+			this.setBackground(Color.YELLOW);
+		}
+	}
+}

DEV2.1/TP7:Evenements/Mainattente.java

@@ -0,0 +1,17 @@
+import java.awt.*;
+import javax.swing.*;
+
+public class Mainattente{
+
+		public static void main(String[] args) {
+
+		JFrame fenetre = new JFrame();
+		Attente pan = new Attente();
+		fenetre.setSize(500, 500);
+    	fenetre.setLocation(0, 0);
+    	fenetre.addWindowListener(pan);
+    	fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		fenetre.setContentPane(pan);
+		fenetre.setVisible(true);
+	}
+}

DEV2.1/TP7:Evenements/Mainfond.java

@@ -0,0 +1,16 @@
+import java.awt.*;
+import javax.swing.*;
+
+public class Mainfond{
+
+		public static void main(String[] args) {
+
+		JFrame fenetre = new JFrame();
+		Fond pan = new Fond();
+		fenetre.setSize(500, 500);
+    	fenetre.setLocation(0, 0);
+    	fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		fenetre.setContentPane(pan);
+		fenetre.setVisible(true);
+	}
+}