2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
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
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import jalview.util.MessageManager;
25 import java.awt.BorderLayout;
26 import java.awt.Color;
27 import java.awt.Component;
29 import java.awt.GridLayout;
30 import java.awt.Rectangle;
31 import java.awt.event.ActionListener;
32 import java.awt.event.MouseAdapter;
33 import java.awt.event.MouseEvent;
34 import java.util.List;
35 import java.util.Objects;
37 import javax.swing.AbstractButton;
38 import javax.swing.BorderFactory;
39 import javax.swing.JButton;
40 import javax.swing.JComboBox;
41 import javax.swing.JComponent;
42 import javax.swing.JLabel;
43 import javax.swing.JMenu;
44 import javax.swing.JMenuItem;
45 import javax.swing.JPanel;
46 import javax.swing.JScrollBar;
47 import javax.swing.SwingConstants;
48 import javax.swing.border.Border;
49 import javax.swing.border.TitledBorder;
51 import jalview.util.MessageManager;
52 import jalview.util.Platform;
55 * useful functions for building Swing GUIs
60 public final class JvSwingUtils
62 // JBPMerge note: Old Non-JS prefix
63 // static final String HTML_PREFIX = "<html><div
64 // style=\"width:350px;white-space:pre-wrap;margin:2px;overflow-wrap:break-word;\">";
66 static final String HTML_PREFIX = "<html><div style=\"width:350; text-align: justify; word-wrap: break-word;\">";
69 * wrap a bare html safe string to around 60 characters per line using a CSS
70 * style class specifying word-wrap and break-word
73 * if true, add <html> wrapper tags
78 public static String wrapTooltip(boolean enclose, String ttext)
80 Objects.requireNonNull(ttext,
81 "Tootip text to format must not be null!");
83 boolean maxLengthExceeded = false;
84 boolean isHTML = ttext.startsWith("<html>");
87 ttext = ttext.substring(6);
89 if (ttext.endsWith("</html>"))
92 ttext = ttext.substring(0, ttext.length() - 7);
94 boolean hasBR = ttext.contains("<br>");
95 enclose |= isHTML || hasBR;
98 int pt = -1, ptlast = -4;
99 while ((pt = ttext.indexOf("<br>", pt + 1)) >= 0) {
100 if (pt - ptlast - 4 > 60) {
101 maxLengthExceeded = true;
108 maxLengthExceeded = ttext.length() > 60;
111 String ret = (!enclose ? ttext : maxLengthExceeded ? HTML_PREFIX + ttext + "</div></html>" :
112 "<html>" + ttext + "</html>");
113 //System.out.println("JvSwUtil " + enclose + " " + maxLengthExceeded + " " + ret);
117 public static JButton makeButton(String label, String tooltip,
118 ActionListener action)
120 JButton button = new JButton();
121 button.setText(label);
122 // TODO: get the base font metrics for the Jalview gui from somewhere
123 button.setFont(new java.awt.Font("Verdana", Font.PLAIN, 10));
124 button.setForeground(Color.black);
125 button.setHorizontalAlignment(SwingConstants.CENTER);
126 button.setToolTipText(tooltip);
127 button.addActionListener(action);
132 * find or add a submenu with the given title in the given menu
136 * @return the new or existing submenu
138 public static JMenu findOrCreateMenu(JMenu menu, String submenu)
140 JMenu submenuinstance = null;
141 for (int i = 0, iSize = menu.getMenuComponentCount(); i < iSize; i++)
143 if (menu.getMenuComponent(i) instanceof JMenu
144 && ((JMenu) menu.getMenuComponent(i)).getText()
147 submenuinstance = (JMenu) menu.getMenuComponent(i);
150 if (submenuinstance == null)
152 submenuinstance = new JMenu(submenu);
153 menu.add(submenuinstance);
155 return submenuinstance;
165 * @return the GUI element created that was added to the layout so it's
166 * attributes can be changed.
168 public static JPanel addtoLayout(JPanel panel, String tooltip,
169 JComponent label, JComponent valBox)
171 JPanel laypanel = new JPanel(new GridLayout(1, 2));
172 JPanel labPanel = new JPanel(new BorderLayout());
173 JPanel valPanel = new JPanel();
174 labPanel.setBounds(new Rectangle(7, 7, 158, 23));
175 valPanel.setBounds(new Rectangle(172, 7, 270, 23));
176 labPanel.add(label, BorderLayout.WEST);
177 valPanel.add(valBox);
178 laypanel.add(labPanel);
179 laypanel.add(valPanel);
180 valPanel.setToolTipText(tooltip);
181 labPanel.setToolTipText(tooltip);
182 valBox.setToolTipText(tooltip);
188 public static void mgAddtoLayout(JPanel cpanel, String tooltip,
189 JLabel jLabel, JComponent name)
191 mgAddtoLayout(cpanel, tooltip, jLabel, name, null);
194 public static void mgAddtoLayout(JPanel cpanel, String tooltip,
195 JLabel jLabel, JComponent name, String params)
204 cpanel.add(name, params);
206 name.setToolTipText(tooltip);
207 jLabel.setToolTipText(tooltip);
211 * standard font for labels and check boxes in dialog boxes
216 public static Font getLabelFont()
218 return getLabelFont(false, false);
221 public static Font getLabelFont(boolean bold, boolean italic)
223 return new java.awt.Font("Verdana",
224 (!bold && !italic) ? Font.PLAIN
225 : (bold ? Font.BOLD : 0) + (italic ? Font.ITALIC : 0),
230 * standard font for editable text areas
234 public static Font getTextAreaFont()
236 return getLabelFont(false, false);
240 * clean up a swing menu. Removes any empty submenus without selection
245 public static void cleanMenu(JMenu webService)
247 for (int i = 0; i < webService.getItemCount();)
249 JMenuItem item = webService.getItem(i);
250 if (item instanceof JMenu && ((JMenu) item).getItemCount() == 0)
252 webService.remove(i);
262 * Returns the proportion of its range that a scrollbar's position represents,
263 * as a value between 0 and 1. For example if the whole range is from 0 to
264 * 200, then a position of 40 gives proportion = 0.2.
266 * @see http://www.javalobby.org/java/forums/t33050.html#91885334
271 public static float getScrollBarProportion(JScrollBar scroll)
274 * The extent (scroll handle width) deduction gives the true operating range
275 * of possible positions.
277 int possibleRange = scroll.getMaximum() - scroll.getMinimum()
278 - scroll.getModel().getExtent();
279 float valueInRange = scroll.getValue()
280 - (scroll.getModel().getExtent() / 2f);
281 float proportion = valueInRange / possibleRange;
286 * Returns the scroll bar position in its range that would match the given
287 * proportion (between 0 and 1) of the whole. For example if the whole range
288 * is from 0 to 200, then a proportion of 0.25 gives position 50.
294 public static int getScrollValueForProportion(JScrollBar scrollbar,
298 * The extent (scroll handle width) deduction gives the true operating range
299 * of possible positions.
301 float fraction = proportion
302 * (scrollbar.getMaximum() - scrollbar.getMinimum()
303 - scrollbar.getModel().getExtent())
304 + (scrollbar.getModel().getExtent() / 2f);
305 return Math.min(Math.round(fraction), scrollbar.getMaximum());
308 public static void jvInitComponent(AbstractButton comp, String i18nString)
310 setColorAndFont(comp);
311 if (i18nString != null && !i18nString.isEmpty())
313 comp.setText(MessageManager.getString(i18nString));
317 public static void jvInitComponent(JComponent comp)
319 setColorAndFont(comp);
322 private static void setColorAndFont(JComponent comp)
324 comp.setBackground(Color.white);
325 comp.setFont(JvSwingUtils.getLabelFont());
329 * A helper method to build a drop-down choice of values, with tooltips for
335 public static JComboBox<Object> buildComboWithTooltips(
336 List<Object> entries, List<String> tooltips)
338 JComboBox<Object> combo = new JComboBox<>();
339 final ComboBoxTooltipRenderer renderer = new ComboBoxTooltipRenderer();
340 combo.setRenderer(renderer);
341 for (Object attName : entries)
343 combo.addItem(attName);
345 renderer.setTooltips(tooltips);
346 final MouseAdapter mouseListener = new MouseAdapter()
349 public void mouseEntered(MouseEvent e)
351 int j = combo.getSelectedIndex();
354 combo.setToolTipText(tooltips.get(j));
358 public void mouseExited(MouseEvent e)
360 combo.setToolTipText(null);
363 for (Component c : combo.getComponents())
365 c.addMouseListener(mouseListener);
371 * Adds a titled border to the component in the default font and position (top
372 * left), optionally witht italic text
378 public static TitledBorder createTitledBorder(JComponent comp,
379 String title, boolean italic)
381 Font font = comp.getFont();
384 font = new Font(font.getName(), Font.ITALIC, font.getSize());
386 Border border = BorderFactory.createTitledBorder("");
387 TitledBorder titledBorder = BorderFactory.createTitledBorder(border,
388 title, TitledBorder.LEADING, TitledBorder.DEFAULT_POSITION,
390 comp.setBorder(titledBorder);