TP04 from DEV3.1

DEV/DEV3.1/TP04/Exercise1/src/ClickSwapImageEvent.java

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+package fr.nathanbaudrier; 
+
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+public class ClickSwapImageEvent extends MouseAdapter {
+
+    private ImageWindow window;
+    
+    public ClickSwapImageEvent(ImageWindow window) {
+        this.window = window;
+    }
+
+    public void mouseClicked(MouseEvent event) {
+        System.out.println(this.window.manager.cursor);
+        if(event.getX() > this.window.getWidth() / 2) {
+            this.window.nextImage();
+            System.out.println(this.window.manager.cursor);
+            return; 
+        }
+
+        this.window.previousImage();
+        System.out.println(this.window.manager.cursor);
+    }
+}

DEV/DEV3.1/TP04/Exercise1/src/ImageManager.java

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+package fr.nathanbaudrier; 
+
+import javax.swing.ImageIcon;
+
+public class ImageManager {
+
+    private ImageIcon[] images; 
+    public int cursor;
+    
+    public ImageManager() {
+
+        ClassLoader loader = Thread.currentThread().getContextClassLoader(); 
+
+        this.images = new ImageIcon[3];
+        this.images[0] = new ImageIcon(loader.getResource("resources/dice.jpg"));
+        this.images[1] = new ImageIcon(loader.getResource("resources/frog.png"));
+        this.images[2] = new ImageIcon(loader.getResource("resources/random.jpg"));
+    }
+
+    public ImageIcon getNextImage() {
+        if(this.cursor >= this.images.length - 1) {
+            this.cursor = 0;
+        } else {
+            this.cursor++;
+        }
+
+        return this.images[this.cursor];
+    }
+
+    public ImageIcon getPreviousImage() {
+        if(this.cursor <= 0) {
+            this.cursor = this.images.length - 1;
+        } else {
+            this.cursor--;
+        }
+
+        return this.images[this.cursor];
+    }
+}

DEV/DEV3.1/TP04/Exercise1/src/ImageWindow.java

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+package fr.nathanbaudrier; 
+
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class ImageWindow extends JFrame {
+
+    public ImageManager manager; 
+    private JLabel label; 
+    
+    public ImageWindow() {
+        this.manager = new ImageManager();
+
+        this.setSize(1024, 1024);
+        this.setLocationRelativeTo(null);
+        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        this.addMouseListener(new ClickSwapImageEvent(this));
+
+        this.nextImage();
+    }
+
+    public void nextImage() {
+        if(this.label != null) {
+            this.remove(this.label);
+        }
+
+        this.label = new JLabel(this.manager.getNextImage());
+        this.label.setVerticalAlignment(JLabel.CENTER);
+        this.label.setHorizontalAlignment(JLabel.CENTER);
+
+        this.add(label);
+        this.revalidate();
+    }
+
+    public void previousImage() {
+        if(this.label != null) {
+            this.remove(this.label);
+        }
+
+        this.label = new JLabel(this.manager.getPreviousImage());
+        this.label.setVerticalAlignment(JLabel.CENTER);
+        this.label.setHorizontalAlignment(JLabel.CENTER);
+
+        this.add(label);
+        this.revalidate();
+    }
+}

DEV/DEV3.1/TP04/Exercise1/src/Main.java

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+package fr.nathanbaudrier; 
+
+public class Main {
+    
+    public static void main(String[] args) {
+        ImageWindow window = new ImageWindow();
+        window.setVisible(true);
+    }
+}