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
|
// $Id$
import java.awt.*;
public class Border_Panel extends Panel
{
private String title_;
private final static Insets SPACE = new Insets (16, 16, 16, 16);
public Border_Panel (Component component, String title)
{
GridBagLayout gb = new GridBagLayout ();
GridBagConstraints gbc = new GridBagConstraints ();
title_ = title;
setFont (new Font ("Dialog", Font.PLAIN, 12));
setLayout (new CardLayout (SPACE.left, SPACE.top));
add ("Front", component);
}
public void paint (Graphics g)
{
FontMetrics fm = g.getFontMetrics ();
Dimension d = getSize ();
int font_height = fm.getAscent (),
rect_x = SPACE.left/2,
rect_y = SPACE.top/2,
rect_width = d.width - SPACE.right,
rect_height = d.height - SPACE.top/2 - SPACE.bottom/2,
font_x = SPACE.left/2 + 20,
font_y = (int)Math.round (SPACE.top/2 + font_height/2.0 - 1);
g.setColor (getBackground ());
g.draw3DRect (rect_x - 1, rect_y - 1,
rect_width + 1, rect_height + 1, false);
g.draw3DRect (rect_x, rect_y,
rect_width - 1, rect_height - 1, true);
g.fillRect (font_x - 2, 0, fm.stringWidth (title_) + 4, SPACE.top);
g.setColor (Color.black);
g.drawString (title_, font_x, font_y);
}
public static void main (String[] args)
{
Frame yadda = new Frame ("Border Frame Test");
Panel blank = new Panel ();
Border_Panel bpanel = new Border_Panel (blank, "Border Panel");
yadda.setLayout (new BorderLayout ());
yadda.add ("Center", bpanel);
yadda.setBounds (0, 0, 640, 480);
yadda.show ();
}
}
|
