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1
11
12 package org.eclipse.ui.internal.gestures;
13
14 import java.util.Arrays  ;
15
16 import org.eclipse.ui.internal.util.Util;
17
18 public final class CaptureEvent implements Comparable {
19
20 private final static int HASH_FACTOR = 89;
21 private final static int HASH_INITIAL =
22 CaptureEvent.class.getName().hashCode();
23
24 public static CaptureEvent create(int data, int pen, Point[] points) {
25 return new CaptureEvent(data, pen, points);
26 }
27
28 private int data;
29 private int pen;
30 private Point[] points;
31
32 private CaptureEvent(int data, int pen, Point[] points) {
33 super();
34 this.data = data;
35 this.pen = pen;
36
37 if (points == null)
38 throw new NullPointerException ();
39
40 points = (Point[]) points.clone();
41
42 for (int i = 0; i < points.length; i++)
43 if (points[i] == null)
44 throw new IllegalArgumentException ();
45
46 this.points = points;
47 }
48
49 public int compareTo(Object object) {
50 CaptureEvent castedObject = (CaptureEvent) object;
51 int compareTo = data - castedObject.data;
52
53 if (compareTo == 0) {
54 compareTo = pen - castedObject.pen;
55
56 if (compareTo == 0)
57 compareTo = Util.compare(points, castedObject.points);
58 }
59
60 return compareTo;
61 }
62
63 public boolean equals(Object object) {
64 if (!(object instanceof CaptureEvent))
65 return false;
66
67 CaptureEvent castedObject = (CaptureEvent) object;
68 return data == castedObject.data
69 && pen == castedObject.pen
70 && Arrays.equals(points, castedObject.points);
71 }
72
73 public int getData() {
74 return data;
75 }
76
77 public int getPen() {
78 return pen;
79 }
80
81 public Point[] getPoints() {
82 return (Point[]) points.clone();
83 }
84
85 public int hashCode() {
86 int result = HASH_INITIAL;
87 result = result * HASH_FACTOR + data;
88 result = result * HASH_FACTOR + pen;
89
90 for (int i = 0; i < points.length; i++)
91 result = result * HASH_FACTOR + points[i].hashCode();
92
93 return result;
94 }
95 }
96 |
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