01: /*****************************************************************************
02: * *
03: * This file is part of the BeanShell Java Scripting distribution. *
04: * Documentation and updates may be found at http://www.beanshell.org/ *
05: * *
06: * Sun Public License Notice: *
07: * *
08: * The contents of this file are subject to the Sun Public License Version *
09: * 1.0 (the "License"); you may not use this file except in compliance with *
10: * the License. A copy of the License is available at http://www.sun.com *
11: * *
12: * The Original Code is BeanShell. The Initial Developer of the Original *
13: * Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright *
14: * (C) 2000. All Rights Reserved. *
15: * *
16: * GNU Public License Notice: *
17: * *
18: * Alternatively, the contents of this file may be used under the terms of *
19: * the GNU Lesser General Public License (the "LGPL"), in which case the *
20: * provisions of LGPL are applicable instead of those above. If you wish to *
21: * allow use of your version of this file only under the terms of the LGPL *
22: * and not to allow others to use your version of this file under the SPL, *
23: * indicate your decision by deleting the provisions above and replace *
24: * them with the notice and other provisions required by the LGPL. If you *
25: * do not delete the provisions above, a recipient may use your version of *
26: * this file under either the SPL or the LGPL. *
27: * *
28: * Patrick Niemeyer (pat@pat.net) *
29: * Author of Learning Java, O'Reilly & Associates *
30: * http://www.pat.net/~pat/ *
31: * *
32: *****************************************************************************/package bsh.util;
33:
34: import java.awt.*;
35: import java.awt.event.*;
36: import java.io.*;
37: import java.util.Vector;
38: import bsh.*;
39:
40: /**
41: Misc utilities for the bsh.util package.
42: Nothing in the core language (bsh package) should depend on this.
43: Note: that promise is currently broken... fix it.
44: */
45: public class Util {
46: /*
47: public static ConsoleInterface makeConsole() {
48: if ( bsh.Capabilities.haveSwing() )
49: return new JConsole();
50: else
51: return new AWTConsole();
52: }
53: */
54:
55: static Window splashScreen;
56:
57: /*
58: This could live in the desktop script.
59: However we'd like to get it on the screen as quickly as possible.
60: */
61: public static void startSplashScreen() {
62: int width = 275, height = 148;
63: Window win = new Window(new Frame());
64: win.pack();
65: BshCanvas can = new BshCanvas();
66: can.setSize(width, height); // why is this necessary?
67: Toolkit tk = Toolkit.getDefaultToolkit();
68: Dimension dim = tk.getScreenSize();
69: win.setBounds(dim.width / 2 - width / 2, dim.height / 2
70: - height / 2, width, height);
71: win.add("Center", can);
72: Image img = tk.getImage(Interpreter.class
73: .getResource("/bsh/util/lib/splash.gif"));
74: MediaTracker mt = new MediaTracker(can);
75: mt.addImage(img, 0);
76: try {
77: mt.waitForAll();
78: } catch (Exception e) {
79: }
80: Graphics gr = can.getBufferedGraphics();
81: gr.drawImage(img, 0, 0, can);
82: win.setVisible(true);
83: win.toFront();
84: splashScreen = win;
85: }
86:
87: public static void endSplashScreen() {
88: if (splashScreen != null)
89: splashScreen.dispose();
90: }
91:
92: }
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