Adding visualization of big image. WARNING Image displayed can be bigger than screen. Need to scroll, zoom or resize to fit to screen

src/main/java/fr/uha/gabalier/util/ImageLib.java

@@ -5,14 +5,19 @@ import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
+import java.util.HashMap;
 
 public final class ImageLib {
 	
+	private static HashMap<Image,File> save = new HashMap<Image,File>();
+
     public static Image createScaledImage(File file, int iconWidth, int iconHeight) {
         final BufferedImage img;
         try {
             if ((img = ImageIO.read(file)) != null) {
-                return img.getScaledInstance(iconWidth, iconHeight, Image.SCALE_DEFAULT);
+            	Image image = img.getScaledInstance(iconWidth, iconHeight, Image.SCALE_DEFAULT);
+            	save.put(image, file);
+                return image;
             }
         } catch (IOException e) {
             e.printStackTrace();
@@ -21,4 +26,8 @@ public final class ImageLib {
     }
 
     private ImageLib() {}
+    
+    public static File getFileFromImage(Image img) {
+    	return save.get(img);
+    }
 }

src/main/java/fr/uha/gabalier/view/BigView.java

@@ -0,0 +1,44 @@
+package fr.uha.gabalier.view;
+
+import java.awt.BorderLayout;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.SwingConstants;
+
+import fr.uha.gabalier.util.ImageLib;
+
+public class BigView extends JPanel {
+
+	private static final long serialVersionUID = 1197679995105162808L;
+	private BufferedImage image;
+
+	public BigView(Image image) {
+		setLayout(new BorderLayout(0, 0));
+		JPanel imageDisplay = new JPanel();
+		add(imageDisplay, BorderLayout.SOUTH);
+
+		try {
+			this.image = ImageIO.read(ImageLib.getFileFromImage(image));
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+
+		JLabel imageName = new JLabel(ImageLib.getFileFromImage(image).getName());
+		imageName.setEnabled(false);
+		imageName.setHorizontalAlignment(SwingConstants.LEADING);
+		add(imageName, BorderLayout.NORTH);
+
+	}
+
+	@Override
+	public void paintComponent(Graphics g) {
+		g.drawImage(this.image, 0, 0, null);
+	}
+
+}

src/main/java/fr/uha/gabalier/view/Preview.java

@@ -10,6 +10,9 @@ import java.awt.event.KeyEvent;
 import java.util.ArrayList;
 import java.util.List;
 import fr.uha.gabalier.util.languages.StringSources;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.image.BufferedImage;
 
 public class Preview extends JFrame {
 
@@ -25,6 +28,7 @@ public class Preview extends JFrame {
     private List<Image> model;
     private ImageLoader loader;
     private ImageView imageView;
+    protected ImageController<?> controller;
 
     // UI elements
     private JMenuItem loadItem;
@@ -33,11 +37,15 @@ public class Preview extends JFrame {
     private JButton leftNavButton;
     private final JTextField statusText;
 
+	
+
     public Preview() throws HeadlessException {
     	setIconImage(Toolkit.getDefaultToolkit().getImage(Preview.class.getResource("/fr/uha/gabalier/util/ressources/logo.jpg")));
     	setTitle(StringSources.getString("Preview.this.title")); //$NON-NLS-1$
         model = new ArrayList<>();
         
+        this.controller = new ImageController(model);
+        
 		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
         // UI elements
@@ -60,7 +68,15 @@ public class Preview extends JFrame {
         getContentPane().setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
 
         imageView = new ImageView(model);
-        final ImageController controller = new ImageController(model);
+        imageView.addMouseListener(new MouseAdapter() {
+        	@Override
+        	public void mouseClicked(MouseEvent e) {
+        		JFrame bigViewFrame = new JFrame();
+        		bigViewFrame.add(new BigView(model.get(controller.getIndex())));
+        		bigViewFrame.repaint();
+        		bigViewFrame.setVisible(true);
+        	}
+        });
         imageView.setController(controller);
         controller.setView(imageView);
         getContentPane().add(imageView);