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1
23
24 package com.sun.enterprise.tools.upgrade.gui;
25
26 import java.awt.*;
27 import java.util.Stack  ;
28
29 public class ProgressBar extends Component
30 {
31
32 protected Dimension size;
33 protected int progress;
34 protected int depth;
35
36 public ProgressBar()
37 {
38 size = new Dimension(250, 16);
39 progress = 0;
40 depth = 1;
41 }
42
43 protected void drawProgress(Graphics g, int i, int j)
44 {
45 if(g == null)
46 {
47 return;
48 }
49 int k = size.width - 2 * depth;
50 int l = (int)(((double)k / 100D) * (double)i);
51 int i1 = (int)(((double)k / 100D) * (double)j);
52 if(g != null)
53 {
54 if(i1 < l)
55 {
56 g.setColor(Color.white);
57 g.fillRect(depth + i1, depth, l - i1, size.height - 2 * depth);
58 } else
59 {
60 g.setColor(Color.blue);
61 g.fillRect(depth + l, depth, i1 - l, size.height - 2 * depth);
62 }
63 }
64 }
65
66 protected void drawProgressBorder(Graphics g)
67 {
68 size = getSize();
69 if(size.width == 0 || size.height == 0)
70 {
71 Stack stack = new Stack ();
72 Container container = getParent();
73 Dimension dimension = null;
74 if(container != null)
75 {
76 dimension = container.getSize();
77 }
78 while(container != null && (dimension.width == 0 || dimension.height == 0))
79 {
80 stack.push(container);
81 container = container.getParent();
82 if(container != null)
83 {
84 dimension = container.getSize();
85 }
86 }
87 if(container == null)
88 {
89 container = (Container)stack.pop();
90 }
91 if(container != null)
92 {
93 container.validate();
94 }
95 return;
96 }
97 Color color = getBackground();
98 Color color1 = Color.white;
99 Color color2 = Color.black;
100 int i = 150 / depth;
101 for(int j = 0; j < depth; j++)
102 {
103 g.setColor(color1);
104 g.drawLine(j, size.height - (j + 1), j, j);
105 g.drawLine(j, j, size.width - (j + 1), j);
106 g.setColor(color2);
107 g.drawLine(j + 1, size.height - (j + 1), size.width - (j + 1), size.height - (j + 1));
108 g.drawLine(size.width - (j + 1), size.height - (j + 1), size.width - (j + 1), j + 1);
109 color1 = new Color(color1.getRed() - i, color1.getGreen() - i, color1.getBlue() - i);
110 color2 = new Color(color2.getRed() + i, color2.getGreen() + i, color2.getBlue() + i);
111 }
112
113 g.setColor(Color.white);
114 g.fillRect(depth, depth, size.width - 2 * depth, size.height - 2 * depth);
115 }
116
117 public int getDepth()
118 {
119 return depth;
120 }
121
122 public Dimension getMinimumSize()
123 {
124 return getPreferredSize();
125 }
126
127 public Dimension getPreferredSize()
128 {
129 Container container = getParent();
130 if(container == null)
131 {
132 return size;
133 }
134 Dimension dimension = container.getSize();
135 if(dimension.width == 0 || dimension.height == 0)
136 {
137 return size;
138 } else
139 {
140 Insets insets = container.getInsets();
141 return new Dimension(dimension.width - insets.left - insets.right, size.height);
142 }
143 }
144
145 public int getProgress()
146 {
147 return progress;
148 }
149
150 public void paint(Graphics g)
151 {
152 Dimension dimension = getSize();
153 g.setClip(0, 0, dimension.width, dimension.height);
154 drawProgressBorder(g);
155 drawProgress(g, 0, progress);
156 }
157
158 public void setDepth(int i)
159 {
160 depth = i;
161 }
162
163 public void setProgress(int i)
164 {
165 Graphics g = getGraphics();
166 if(g != null)
167 {
168 Dimension dimension = getSize();
169 g.setClip(0, 0, dimension.width, dimension.height);
170 }
171 drawProgress(g, progress, i);
172 progress = i;
173 }
174
175 public void setSize(Dimension dimension)
176 {
177 super.setSize(dimension);
178 size = dimension;
179 }
180 }
181 |
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