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1
22
23 package com.ice.util;
24
25 import java.awt.*;
26 import java.awt.event.*;
27 import java.awt.image.*;
28 import java.net.URL  ;
29 import java.io.IOException ;
30 import java.util.*;
31
32
33 public class
34 AWTUtilities
35 {
36 static public Point
37 computeDialogLocation( Dialog dialog, int w, int h )
38 {
39 Dimension scrnSz =
40 dialog.getToolkit().getScreenSize();
41
42 int x = (scrnSz.width - w) / 2;
43 int y = (scrnSz.height - h) / 3;
44
45 return new Point( x, y );
46 }
47
48 static public void
49 constrain(
50 Container container, Component component,
51 int fill, int anchor,
52 int gx, int gy, int gw, int gh, double wx, double wy )
53 {
54 GridBagConstraints c =
55 new GridBagConstraints();
56
57 c.fill = fill;
58 c.anchor = anchor;
59 c.gridx = gx;
60 c.gridy = gy;
61 c.gridwidth = gw;
62 c.gridheight = gh;
63 c.weightx = wx;
64 c.weighty = wy;
65
66 ( (GridBagLayout)container.getLayout() ).
67 setConstraints( component, c );
68
69 container.add( component );
70 }
71
72 static public void
73 constrain(
74 Container container, Component component,
75 int fill, int anchor,
76 int gx, int gy, int gw, int gh,
77 double wx, double wy,
78 int ipadx, int ipady )
79 {
80 GridBagConstraints c =
81 new GridBagConstraints();
82
83 c.fill = fill;
84 c.anchor = anchor;
85 c.gridx = gx;
86 c.gridy = gy;
87 c.gridwidth = gw;
88 c.gridheight = gh;
89 c.weightx = wx;
90 c.weighty = wy;
91 c.ipadx = ipadx;
92 c.ipady = ipady;
93
94 ( (GridBagLayout)container.getLayout() ).
95 setConstraints( component, c );
96
97 container.add( component );
98 }
99
100 static public Font
101 getFont( String fontName )
102 {
103 StringTokenizer toker =
104 new StringTokenizer( fontName, "-", false );
105
106 String sName = "Helvetica";
107 String sStyle = "plain";
108 String sSize = "12";
109
110 int numTokes = toker.countTokens();
111 boolean isok = true;
112
113 try {
114 if ( numTokes > 0 )
115 {
116 sName = toker.nextToken();
117
118 if ( numTokes == 2 )
119 {
120 sSize = toker.nextToken();
121 }
122 else if ( numTokes == 3 )
123 {
124 sStyle = toker.nextToken();
125 sSize = toker.nextToken();
126 }
127 }
128 }
129 catch ( Exception ex )
130 {
131 System.err.println
132 ( "Bad font specification '" + fontName + "' - "
133 + ex.getMessage() );
134 return null;
135 }
136
137 int style =
138 (sStyle.compareTo( "plain" ) == 0)
139 ? Font.PLAIN :
140 ( (sStyle.compareTo( "bold" ) == 0)
141 ? Font.BOLD :
142 ( (sStyle.compareTo( "italic" ) == 0)
143 ? Font.ITALIC : (Font.BOLD + Font.ITALIC) ) );
144
145 int size = Integer.parseInt( sSize );
146
147 return new Font( sName, style, size );
148 }
149
150 public static Image
151 getImageResource( String name )
152 throws java.io.IOException
153 {
154 return
155 com.ice.util.AWTUtilities.getImageResource
156 ( com.ice.util.AWTUtilities.class, name );
157 }
158
159 public static Image
160 getImageResource( Class base, String name )
161 throws java.io.IOException
162 {
163 Image result = null;
164
165 Toolkit tk = Toolkit.getDefaultToolkit();
166
167 URL imageURL = base.getResource( name );
168
169 if ( imageURL != null )
170 {
171 result = tk.createImage
172 ( (ImageProducer) imageURL.getContent() );
173 }
174
175 return result;
176 }
177
178 }
179
180 |
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