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1
4 package demo.sharededitor.models;
5
6 import java.awt.Image  ;
7 import java.awt.Shape ;
8 import java.awt.geom.Ellipse2D ;
9 import java.awt.geom.Rectangle2D ;
10
11 final class Selector
12 extends BaseObject
13 {
14 private Rectangle2D.Double shape;
15
16 protected Shape getShape()
17 {
18 return shape;
19 }
20
21 protected Shape [] getAnchors()
22 {
23 return new Shape [] {
24 new Ellipse2D.Double (x1 - 5, y2 - 5, 10, 10),
25 new Ellipse2D.Double (x2 - 5, y2 - 5, 10, 10),
26 new Ellipse2D.Double (x2 - 5, y1 - 5, 10, 10),
27 new Ellipse2D.Double (x1 - 5, y1 - 5, 10, 10)
28 };
29 }
30
31 public synchronized void move(int dx, int dy)
32 {
33 x1 += dx;
34 y1 += dy;
35 x2 += dx;
36 y2 += dy;
37 shape.setFrameFromDiagonal(x1, y1, x2, y2);
38 this.notifyListeners(this);
39 }
40
41 public synchronized void resize(int x, int y)
42 {
43 switch (grabbedAnchor())
44 {
45 case 0:
46 x1 = x;
47 y2 = y;
48 break;
49 case 1:
50 x2 = x;
51 y2 = y;
52 break;
53 case 2:
54 x2 = x;
55 y1 = y;
56 break;
57 case 3:
58 x1 = x;
59 y1 = y;
60 break;
61 }
62 shape.setFrameFromDiagonal(x1, y1, x2, y2);
63 this.notifyListeners(this);
64 }
65
66 public boolean isTransient()
67 {
68 return true;
69 }
70
71 private int x1, y1, x2, y2;
72
73 public Selector()
74 {
75 x1 = y1 = x2 = y2 = 0;
76 shape = new Rectangle2D.Double ();
77 shape.setFrameFromDiagonal(x1, y1, x2, y2);
78 }
79 }
80 |
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Java API By Example, From Geeks To Geeks.