Fix warnings, language and formatting

Author: Arun Prasaad

src/main/java/ihm/SokobanPanel.java

@@ -1,12 +1,13 @@
 package ihm;
 
 import java.awt.Graphics;
-
 import java.awt.Image;
 import java.io.File;
 import java.io.IOException;
 import java.util.EnumMap;
 import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import javax.imageio.ImageIO;
 import javax.swing.JPanel;
@@ -17,8 +18,8 @@
 import static ihm.SokobanWindow.IMAGE_SIZE;
 
 
-@SuppressWarnings("serial")
 public class SokobanPanel extends JPanel {
+    private static final Logger LOGGER = Logger.getLogger(SokobanPanel.class.getName());
 
     private static EnumMap<TileType, Image > images;
 
@@ -27,29 +28,28 @@ public class SokobanPanel extends JPanel {
     public SokobanPanel(Controller controller) {
         this.controller = controller;
         try {
-            images = new EnumMap<TileType, Image >(
-                Map.of(
-                    TileType.FLOOR, ImageIO.read( new File( "img/Vide.jpg" )),
-                    TileType.WALL, ImageIO.read( new File( "img/Mur.jpg" )),
-                    TileType.UNSTORED_BOX, ImageIO.read( new File( "img/Caisse.jpg" )),
-                    TileType.STORED_BOX, ImageIO.read( new File( "img/CaisseRangee.jpg" )),
-                    TileType.STORAGE_AREA, ImageIO.read( new File( "img/Rangement.jpg" )),
-                    TileType.WORKER_ON_FLOOR, ImageIO.read( new File( "img/Joueur.jpg" )),
-                    TileType.OUTSIDE, ImageIO.read( new File( "img/Background.jpg" )),
-                    TileType.WORKER_IN_STORAGE_AREA, ImageIO.read( new File( "img/JoueurRangement.jpg" ))
-                )
-            );
+            images = new EnumMap<>( Map.of(
+                        TileType.FLOOR,                  ImageIO.read(new File( "img/Vide.jpg")),
+                        TileType.WALL,                   ImageIO.read(new File( "img/Mur.jpg")),
+                        TileType.UNSTORED_BOX,           ImageIO.read(new File( "img/Caisse.jpg")),
+                        TileType.STORED_BOX,             ImageIO.read(new File( "img/CaisseRangee.jpg")),
+                        TileType.STORAGE_AREA,           ImageIO.read(new File( "img/Rangement.jpg")),
+                        TileType.WORKER_ON_FLOOR,        ImageIO.read(new File( "img/Joueur.jpg")),
+                        TileType.OUTSIDE,                ImageIO.read(new File( "img/Background.jpg")),
+                        TileType.WORKER_IN_STORAGE_AREA, ImageIO.read(new File( "img/JoueurRangement.jpg"))
+            ));
         }
         catch( IOException e ) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, "Error loading game images", e);
         }
     }
+
     @Override
     public void paint( Graphics g ) {
     	super.paint( g );
-        // Le côté métier raisonne en [ligne, colonne]
-        // Le côté IHM raisonne en [x, y]
-        // Donc x <=> colonne et y <=> ligne
+        // Business logic uses [row, column] coordinates
+        // UI uses [x, y] coordinates
+        // So x <=> column and y <=> row
         for(int l = 0; l < controller.warehouse.getLines(); l++ ) {
             for(int c = 0; c < controller.warehouse.getColumns(); c++ ) {
                 g.drawImage( images.get( controller.warehouse.getCase( l, c).getContent()), c * IMAGE_SIZE, l * IMAGE_SIZE, IMAGE_SIZE, IMAGE_SIZE, null );