TP Exceptions

DEV2.1/TP10/05_Degres/Conversion.java

@@ -0,0 +1,9 @@
+public class Conversion {
+	public static double celsiusAFahrenheit(double n) {
+		return n*9/5+32;
+	}
+
+	public static double FahrenheitACelsius(double n) {
+		return (n-32)*5/9;
+	}
+}

DEV2.1/TP10/05_Degres/Degres.java

@@ -0,0 +1,38 @@
+import java.awt.*;
+import javax.swing.*;
+import javax.swing.event.*;
+import java.awt.event.*;
+
+public class Degres extends JComponent {
+
+	@Override
+	public void paintComponent(Graphics pinceau) {
+		Graphics secondPinceau = pinceau.create();
+
+		if (this.isOpaque()) {
+			secondPinceau.setColor(this.getBackground());
+			secondPinceau.fillRect(0, 0, this.getWidth(), this.getHeight());
+		}
+
+		secondPinceau.setColor(Color.ORANGE);
+		secondPinceau.fillRect(0, 0, this.getWidth(), this.getHeight());
+
+		JTextField celsius = new JTextField();
+		JTextField fahrenheit = new JTextField();
+		celsius.setBounds(0, 65, 160, 20);
+		fahrenheit.setBounds(0, 90, 160, 20);
+
+		JLabel texteCelsius = new JLabel("°C");
+		JLabel texteFahrenheit = new JLabel("°F");
+		texteCelsius.setBounds(165, 65, 20, 20);
+		texteFahrenheit.setBounds(165, 90, 20, 20);
+
+		celsius.getDocument().addDocumentListener(new GestionJTextField(celsius, fahrenheit, true));
+		fahrenheit.getDocument().addDocumentListener(new GestionJTextField(fahrenheit, celsius, false));
+		
+		this.add(celsius);
+		this.add(fahrenheit);
+		this.add(texteCelsius);
+		this.add(texteFahrenheit);
+	}
+}

DEV2.1/TP10/05_Degres/Fenetre.java

@@ -0,0 +1,13 @@
+import java.awt.*;
+import javax.swing.*;
+
+public class Fenetre extends JFrame {
+	public Fenetre() {
+		this.setSize(200, 200);
+		this.setLocation(100, 100);
+		this.setLayout(new GridLayout(1, 1));
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		Degres composant = new Degres();
+		this.add(composant);
+	}
+}

DEV2.1/TP10/05_Degres/GestionJTextField.java

@@ -0,0 +1,46 @@
+import java.awt.event.*;
+import java.awt.*;
+import javax.swing.*;
+import javax.swing.event.*;
+
+public class GestionJTextField implements DocumentListener {
+
+
+	private JTextField aConvertir;
+	private JTextField convertirVers;
+	private boolean cToF;
+
+	public GestionJTextField(JTextField aConvertir, JTextField convertirVers, boolean cToF) {
+		this.aConvertir = aConvertir;
+		this.convertirVers = convertirVers;
+		this.cToF = cToF;
+	}
+
+
+	public void changedUpdate(DocumentEvent e) {
+	}
+
+
+	public void insertUpdate(DocumentEvent e) {
+		try {
+			if (this.cToF) {
+				this.convertirVers.setText(Conversion.celsiusAFahrenheit(Double.parseDouble(this.aConvertir.getText())) + "");
+			}
+			else {
+				this.convertirVers.setText(Conversion.FahrenheitACelsius(Double.parseDouble(this.aConvertir.getText())) + "");
+			}
+		} catch (NumberFormatException e2) {
+			try {
+				this.convertirVers.setText("???");
+			} catch (IllegalStateException ee) {
+			}
+		} catch (IllegalStateException e3) {
+		} finally {
+			this.convertirVers.repaint();
+		}
+	}
+
+
+	public void removeUpdate(DocumentEvent e) {
+	}
+}

DEV2.1/TP10/05_Degres/Main.java

@@ -0,0 +1,6 @@
+public class Main {
+	public static void main(String[] args) {
+		Fenetre fenetre = new Fenetre();
+		fenetre.setVisible(true);
+	}
+}