1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
package gjt;
import java.awt.*;
/**
* A bargauge which can be filled (wholly or partially) with a
* client-specified color. Fill color is specified at
* construction time; both fill color and fill percent may be
* set after construction time.<p>
*
* @version 1.0, Apr 1 1996
* @author David Geary
* @see ThreeDRectangle
* @see gjt.test.BargaugeTest
*/
public class Bargauge extends Canvas {
private double percentFill = 0;
private ThreeDRectangle border = new ThreeDRectangle(this);
private Color fillColor;
public Bargauge(Color fillColor) {
setFillColor(fillColor);
}
public void setFillColor(Color fillColor) {
this.fillColor = fillColor;
}
public void setFillPercent(double percentage) {
Assert.notFalse(percentage >= 0 && percentage <= 100);
percentFill = percentage;
}
public void resize(int w, int h) {
reshape(location().x, location().y, w, h);
}
public void reshape(int x, int y, int w, int h) {
super.reshape(x,y,w,h);
border.resize(w,h);
}
public Dimension minimumSize() { return preferredSize(); }
public Dimension preferredSize() {
int w = border.getThickness() * 3;
return new Dimension(w, w*4);
}
public void paint(Graphics g) {
border.raise();
border.paint();
fill();
}
public void fill() {
Graphics g = getGraphics();
if((g != null) && (percentFill > 0)) {
Rectangle b = border.getInnerBounds();
int fillw = b.width;
int fillh = b.height;
if(b.width > b.height) fillw *= percentFill/100;
else fillh *= percentFill/100;
g.setColor(fillColor);
border.clearInterior();
if(b.width > b.height)
g.fillRect(b.x, b.y, fillw, b.height);
else
g.fillRect(b.x, b.y + b.height - fillh,
b.width, fillh);
}
}
protected String paramString() {
Dimension size = size();
Orientation orient = size.width > size.height ?
Orientation.HORIZONTAL :
Orientation.VERTICAL;
String str = "fill percent=" + percentFill + "," +
"orientation=" + orient + "," +
"color" + fillColor;
return str;
}
}
|
