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1
31
32 package org.antlr.xjlib.appkit.gview.object;
33
34 import org.antlr.xjlib.appkit.gview.base.Rect;
35 import org.antlr.xjlib.appkit.gview.base.Vector2D;
36 import org.antlr.xjlib.appkit.gview.shape.SArrow;
37 import org.antlr.xjlib.foundation.XJXMLSerializable;
38
39 import java.awt.*;
40
41 public class GElementArrow extends GElement implements XJXMLSerializable {
42
43 protected SArrow arrow;
44 protected Vector2D target;
45
46 public GElementArrow() {
47 setArrow(new SArrow());
48 }
49
50 public void setArrow(SArrow arrow) {
51 this.arrow = arrow;
52 }
53
54 public SArrow getArrow() {
55 return arrow;
56 }
57
58 public void setArrowLength(double length) {
59 arrow.setLength(length);
60 }
61
62 public void setSource(double x, double y) {
63 super.setPosition(x, y);
64 }
65
66 public void setTarget(double x, double y) {
67 arrow.setAnchor(x, y);
68
69 target = new Vector2D(x, y);
70 Vector2D direction = getPosition().sub(target);
71 arrow.setDirection(direction);
72 }
73
74 public void setTarget(Vector2D target) {
75 this.target = target;
76 }
77
78 public Vector2D getTarget() {
79 return target;
80 }
81
82 @Override 
83 public void move(double dx, double dy) {
84 super.move(dx, dy);
85 target.shift(dx, dy);
86 arrow.getAnchor().shift(dx, dy);
87 }
88
89 @Override
90 public Rect getFrame() {
91 return new Rect(getPosition(), target, 2, 2);
92 }
93
94 @Override
95 public boolean isInside(Point p) {
96 return getFrame().contains(p);
97 }
98
99 @Override
100 public void draw(Graphics2D g) {
101 if(isVisibleInClip(g)) {
102 g.setColor(color);
103 drawShape(g);
104 }
105 }
106
107 @Override
108 public void drawShape(Graphics2D g) {
109 super.drawShape(g);
110 arrow.draw(g);
111 g.drawLine((int)getPositionX(), (int)getPositionY(), (int)target.x, (int)target.y);
112 }
113
114 }
115 |
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