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1
31
32 package org.antlr.xjlib.appkit.gview.shape;
33
34 import org.antlr.xjlib.appkit.gview.base.Rect;
35 import org.antlr.xjlib.appkit.gview.base.Vector2D;
36 import org.antlr.xjlib.foundation.XJXMLSerializable;
37
38 import java.awt.*;
39
40 public class SLabel implements XJXMLSerializable {
41
42 protected Vector2D position = null;
43 protected String  title = null;
44 protected Color color = Color.black;
45 protected boolean visible = true;
46
47 public SLabel() {
48
49 }
50
51 public void setTitle(String title) {
52 this.title = title;
53 }
54
55 public String getTitle() {
56 return title;
57 }
58
59 public void setPosition(Vector2D position) {
60 this.position = position;
61 }
62
63 public Vector2D getPosition() {
64 return position;
65 }
66
67 public void setPosition(double x, double y) {
68 setPosition(new Vector2D(x, y));
69 }
70
71 public void setColor(Color color) {
72 this.color = color;
73 }
74
75 public Color getColor() {
76 return color;
77 }
78
79 public void setVisible(boolean flag) {
80 this.visible = flag;
81 }
82
83 public boolean isVisible() {
84 return visible;
85 }
86
87 public void draw(Graphics g) {
88 if(position == null || title == null || !visible)
89 return;
90
91 g.setColor(color);
92 SLabel.drawCenteredString(title, (int)position.getX(), (int)position.getY(), g);
93 }
94
95 public static void drawCenteredString(String s, double x, double y, Graphics g) {
96 if(s != null) {
97 FontMetrics fm = g.getFontMetrics();
98 int xx = (int)(x-fm.stringWidth(s)*0.5);
99 int yy = (int)(y+fm.getHeight()*0.5);
100 g.drawString(s, xx, yy);
101 }
102 }
103
104 public static Rect getFrame(String s, double x, double y, Graphics g) {
105 if(s != null && g != null) {
106 FontMetrics fm = g.getFontMetrics();
107 return new Rect(x-fm.stringWidth(s)*0.5, y-fm.getHeight()*0.5,
108 fm.stringWidth(s), fm.getHeight());
109 } else
110 return new Rect(0, 0, 0, 0);
111 }
112
113 }
114 |
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