2 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
3 * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
11 * Jalview is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
14 * PURPOSE. See the GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
20 import java.awt.Color;
22 import java.awt.event.ActionListener;
24 import javax.swing.JButton;
25 import javax.swing.JMenu;
26 import javax.swing.SwingConstants;
29 * useful functions for building Swing GUIs
34 public final class JvSwingUtils
37 * wrap a bare html safe string to around 60 characters per line using a
45 public static String wrapTooltip(String ttext)
47 if (ttext.length() < 60)
53 return "<table width=350 border=0><tr><td>" + ttext
54 + "</td></tr></table>";
58 public static JButton makeButton(String label, String tooltip,
59 ActionListener action)
61 JButton button = new JButton();
62 button.setText(label);
63 // TODO: get the base font metrics for the Jalview gui from somewhere
64 button.setFont(new java.awt.Font("Verdana", Font.PLAIN, 10));
65 button.setForeground(Color.black);
66 button.setHorizontalAlignment(SwingConstants.CENTER);
67 button.setToolTipText(tooltip);
68 button.addActionListener(action);
73 * find or add a submenu with the given title in the given menu
77 * @return the new or existing submenu
79 public static JMenu findOrCreateMenu(JMenu menu, String submenu)
81 JMenu submenuinstance = null;
82 for (int i = 0, iSize = menu.getMenuComponentCount(); i < iSize; i++)
84 if (menu.getMenuComponent(i) instanceof JMenu
85 && ((JMenu) menu.getMenuComponent(i)).getText().equals(
88 submenuinstance = (JMenu) menu.getMenuComponent(i);
91 if (submenuinstance == null)
93 submenuinstance = new JMenu(submenu);
94 menu.add(submenuinstance);
96 return submenuinstance;