01: /*
02: * Copyright (C) 2004 NNL Technology AB
03: * Visit www.infonode.net for information about InfoNode(R)
04: * products and how to contact NNL Technology AB.
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License
08: * as published by the Free Software Foundation; either version 2
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19: * MA 02111-1307, USA.
20: */
21:
22: // $Id: MenuUtil.java,v 1.3 2005/02/16 11:28:13 jesper Exp $
23: package net.infonode.gui.menu;
24:
25: import net.infonode.gui.icon.IconUtil;
26:
27: import javax.swing.*;
28: import java.awt.*;
29:
30: /**
31: * @author $Author: jesper $
32: * @version $Revision: 1.3 $
33: */
34: public class MenuUtil {
35: private MenuUtil() {
36: }
37:
38: public static void optimizeSeparators(JPopupMenu menu) {
39: boolean lastSeparator = true;
40:
41: for (int i = 0; i < menu.getComponentCount();) {
42: if (menu.getComponent(i).isVisible()
43: && menu.getComponent(i) instanceof JMenu)
44: optimizeSeparators(((JMenu) menu.getComponent(i))
45: .getPopupMenu());
46:
47: boolean separator = menu.getComponent(i) instanceof JPopupMenu.Separator;
48:
49: if (lastSeparator && separator)
50: menu.remove(i);
51: else
52: i++;
53:
54: lastSeparator = separator;
55: }
56:
57: if (menu.getComponentCount() > 0
58: && menu.getComponent(menu.getComponentCount() - 1) instanceof JPopupMenu.Separator)
59: menu.remove(menu.getComponentCount() - 1);
60: }
61:
62: public static void align(MenuElement menu) {
63: MenuElement[] children = menu.getSubElements();
64: final int maxWidth = IconUtil.getMaxIconWidth(children);
65:
66: for (int i = 0; i < children.length; i++) {
67: if (children[i] instanceof AbstractButton) {
68: AbstractButton b = (AbstractButton) children[i];
69: final Icon icon = b.getIcon();
70: b.setIcon(new Icon() {
71: public int getIconHeight() {
72: return icon == null ? 1 : icon.getIconHeight();
73: }
74:
75: public int getIconWidth() {
76: return maxWidth;
77: }
78:
79: public void paintIcon(Component c, Graphics g,
80: int x, int y) {
81: if (icon != null)
82: icon.paintIcon(c, g, x, y);
83: }
84: });
85: }
86:
87: align(children[i]);
88: }
89: }
90:
91: }
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