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31
32 package org.antlr.xjlib.appkit.gview.shape;
33
34 import org.antlr.xjlib.appkit.gview.base.Anchor2D;
35 import org.antlr.xjlib.appkit.gview.base.Path2D;
36 import org.antlr.xjlib.appkit.gview.base.Vector2D;
37 import org.antlr.xjlib.foundation.XJXMLSerializable;
38
39 import java.awt.*;
40
41 public class SLinkElbow extends SLink implements XJXMLSerializable {
42
43 protected SLinkElbowTopBottom topbottom = new SLinkElbowTopBottom(this);
44 protected SLinkElbowLeftRight leftright = new SLinkElbowLeftRight(this);
45 protected SLinkElbowBottomBottom bottombottom = new SLinkElbowBottomBottom(this);
46 protected SLinkElbowLeftLeft leftleft = new SLinkElbowLeftLeft(this);
47 protected SLinkElbowBottomLeft bottomleft = new SLinkElbowBottomLeft(this);
48 protected SLinkElbowTopLeft topleft = new SLinkElbowTopLeft(this);
49 protected SLinkElbowLeftTop lefttop = new SLinkElbowLeftTop(this);
50 protected SLinkElbowLeftBottom leftbottom = new SLinkElbowLeftBottom(this);
51
52 protected transient Path2D path = new Path2D();
53 protected Vector2D offsetToMouse = null;
54
55 protected int outOffsetLength = 15;
56
57 public SLinkElbow() {
58 super();
59 }
60
61 public void setOutOffsetLength(int length) {
62 this.outOffsetLength = length;
63 }
64
65 public Vector2D getStartWithOffset() {
66 return start.add(startDirection.vectorLength(outOffsetLength));
67 }
68
69 public Vector2D getEndWithOffset() {
70 return end.add(endDirection.vectorLength(outOffsetLength));
71 }
72
73 public void setMousePosition(Vector2D position) {
74 setOffsetToMouse(position.sub(start));
75 }
76
77 public void setOffsetToMouse(Vector2D offset) {
78 this.offsetToMouse = offset;
79 }
80
81 public Vector2D getOffsetToMouse() {
82 return offsetToMouse;
83 }
84
85 public boolean contains(double x, double y) {
86 return path.contains(x, y);
87 }
88
89 public void update() {
90 path.clear();
91
92 if(startDirection == Anchor2D.DIRECTION_BOTTOM && endDirection == Anchor2D.DIRECTION_TOP)
93 topbottom.updateBottomTop();
94 else if(startDirection == Anchor2D.DIRECTION_TOP && endDirection == Anchor2D.DIRECTION_BOTTOM)
95 topbottom.updateTopBottom();
96 else if(startDirection == Anchor2D.DIRECTION_LEFT && endDirection == Anchor2D.DIRECTION_RIGHT)
97 leftright.updateLeftRight();
98 else if(startDirection == Anchor2D.DIRECTION_RIGHT && endDirection == Anchor2D.DIRECTION_LEFT)
99 leftright.updateRightLeft();
100 else if(startDirection == Anchor2D.DIRECTION_BOTTOM && endDirection == Anchor2D.DIRECTION_BOTTOM)
101 bottombottom.updateBottomBottom();
102 else if(startDirection == Anchor2D.DIRECTION_TOP && endDirection == Anchor2D.DIRECTION_TOP)
103 bottombottom.updateTopTop();
104 else if(startDirection == Anchor2D.DIRECTION_LEFT && endDirection == Anchor2D.DIRECTION_LEFT)
105 leftleft.updateLeftLeft();
106 else if(startDirection == Anchor2D.DIRECTION_RIGHT && endDirection == Anchor2D.DIRECTION_RIGHT)
107 leftleft.updateRightRight();
108 else if(startDirection == Anchor2D.DIRECTION_BOTTOM && endDirection == Anchor2D.DIRECTION_LEFT)
109 bottomleft.updateBottomLeft();
110 else if(startDirection == Anchor2D.DIRECTION_BOTTOM && endDirection == Anchor2D.DIRECTION_RIGHT)
111 bottomleft.updateBottomRight();
112 else if(startDirection == Anchor2D.DIRECTION_TOP && endDirection == Anchor2D.DIRECTION_LEFT)
113 topleft.updateTopLeft();
114 else if(startDirection == Anchor2D.DIRECTION_TOP && endDirection == Anchor2D.DIRECTION_RIGHT)
115 topleft.updateTopRight();
116 else if(startDirection == Anchor2D.DIRECTION_LEFT && endDirection == Anchor2D.DIRECTION_TOP)
117 lefttop.updateLeftTop();
118 else if(startDirection == Anchor2D.DIRECTION_RIGHT && endDirection == Anchor2D.DIRECTION_TOP)
119 lefttop.updateRightTop();
120 else if(startDirection == Anchor2D.DIRECTION_LEFT && endDirection == Anchor2D.DIRECTION_BOTTOM)
121 leftbottom.updateLeftBottom();
122 else if(startDirection == Anchor2D.DIRECTION_RIGHT && endDirection == Anchor2D.DIRECTION_BOTTOM)
123 leftbottom.updateRightBottom();
124 else
125 topleft.updateTopLeft();
126 }
127
128 public void draw(Graphics2D g) {
129 if(path == null || arrow == null || label == null)
130 return;
131
132 g.setColor(color);
133
134 drawShape(g);
135 label.draw(g);
136 }
137
138 public void drawShape(Graphics2D g) {
139 if(path == null || arrow == null || label == null)
140 return;
141
142 path.draw(g);
143
144 arrow.setAnchor(end);
145 arrow.setDirection(path.getEndDirection());
146 arrow.draw(g);
147 }
148
149 }
150 |
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