TP2/Image.java

   1 import java.util.Comparator;
   2
   3 public class Image extends Forme implements Compactable, Comparable<Image>, Comparator<Image> {
   4     final int IMAGE_MAX_SIZE = 100;
   5     Forme[] formeCollection;
   6     int formeNumber;
   7
   8     Image() {
   9         super();
  10         formeCollection = new Forme[IMAGE_MAX_SIZE];
  11         formeNumber = 0;
  12     }
  13
  14     Image(Point p) {
  15         super(p);
  16         formeCollection = new Forme[IMAGE_MAX_SIZE];
  17         formeNumber = 0;
  18     }
  19
  20     public int getSize() {
  21         return formeNumber;
  22     }
  23
  24     private boolean isEmpty() {
  25         return (formeNumber == 0);
  26     }
  27
  28     private boolean isFull() {
  29         return (formeNumber >= formeCollection.length);
  30     }
  31
  32     public void dessiner(Piletransformations pile) {
  33         for (int i = 0; i < formeNumber; i++) {
  34             formeCollection[i].dessiner(pile);
  35         }
  36     }
  37
  38     public void deplacer(Point p) {
  39         for (int i = 0; i < formeNumber; i++) {
  40             formeCollection[i].deplacer(p);
  41         }
  42     }
  43
  44     public boolean ajouter(Forme forme) {
  45         boolean rtVal = false;
  46         if (!isFull()) {
  47             formeCollection[formeNumber] = forme;
  48             formeNumber++;
  49             rtVal = true;
  50         }
  51         return rtVal;
  52     }
  53
  54     public boolean supprimer(int index) {
  55         boolean rtVal = false;
  56         if (!isEmpty()) {
  57             for (int j = index; (j < formeNumber - 1 && index < formeNumber); j++) {
  58                 formeCollection[j] = formeCollection[j + 1];
  59             }
  60             rtVal = true;
  61             formeNumber--;
  62         }
  63         return rtVal;
  64     }
  65
  66     public void afficher() {
  67         String className = this.getClass().getSimpleName();
  68         System.out.println("---- " + className + " ----");
  69         for (int i = 0; i < formeNumber; i++) {
  70             formeCollection[i].afficher();
  71         }
  72     }
  73
  74     public void compacter(int nElements) {
  75         // Heavy solution
  76         /* int minIndex = formeNumber - nElements - 1;
  77         for (int i = formeNumber - 1; (i > minIndex && !isEmpty()); i--) {
  78             supprimer(i);
  79         } */
  80         // Lightweight solution
  81         if (formeNumber - nElements > 0) {
  82             formeNumber -= nElements;
  83         } else {
  84             formeNumber = 0;
  85         }
  86     }
  87
  88     public int compareTo(Image image) {
  89         return formeNumber - image.getSize();
  90     }
  91
  92     public int compare(Image image1, Image image2) {
  93         return image1.getSize() - image2.getSize();
  94     }
  95
  96 }