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.JButton;
39 import javax.swing.JComboBox;
40 import javax.swing.JComponent;
41 import javax.swing.JLabel;
42 import javax.swing.JMenu;
43 import javax.swing.JMenuItem;
44 import javax.swing.JPanel;
45 import javax.swing.JScrollBar;
46 import javax.swing.SwingConstants;
49 * useful functions for building Swing GUIs
54 public final class JvSwingUtils
57 * wrap a bare html safe string to around 60 characters per line using a CSS
58 * style class specifying word-wrap and break-word
61 * if true, add <html> wrapper tags
66 public static String wrapTooltip(boolean enclose, String ttext)
68 Objects.requireNonNull(ttext,
69 "Tootip text to format must not be null!");
71 boolean maxLengthExceeded = false;
73 if (ttext.contains("<br>"))
75 String[] htmllines = ttext.split("<br>");
76 for (String line : htmllines)
78 maxLengthExceeded = line.length() > 60;
79 if (maxLengthExceeded)
87 maxLengthExceeded = ttext.length() > 60;
90 if (!maxLengthExceeded)
92 return enclose ? "<html>" + ttext + "</html>" : ttext;
95 return (enclose ? "<html>" : "")
96 + "<style> p.ttip {width: 350; text-align: justify; word-wrap: break-word;}</style><p class=\"ttip\">"
97 + ttext + "</p>" + ((enclose ? "</html>" : ""));
101 public static JButton makeButton(String label, String tooltip,
102 ActionListener action)
104 JButton button = new JButton();
105 button.setText(label);
106 // TODO: get the base font metrics for the Jalview gui from somewhere
107 button.setFont(new java.awt.Font("Verdana", Font.PLAIN, 10));
108 button.setForeground(Color.black);
109 button.setHorizontalAlignment(SwingConstants.CENTER);
110 button.setToolTipText(tooltip);
111 button.addActionListener(action);
116 * find or add a submenu with the given title in the given menu
120 * @return the new or existing submenu
122 public static JMenu findOrCreateMenu(JMenu menu, String submenu)
124 JMenu submenuinstance = null;
125 for (int i = 0, iSize = menu.getMenuComponentCount(); i < iSize; i++)
127 if (menu.getMenuComponent(i) instanceof JMenu
128 && ((JMenu) menu.getMenuComponent(i)).getText()
131 submenuinstance = (JMenu) menu.getMenuComponent(i);
134 if (submenuinstance == null)
136 submenuinstance = new JMenu(submenu);
137 menu.add(submenuinstance);
139 return submenuinstance;
149 * @return the GUI element created that was added to the layout so it's
150 * attributes can be changed.
152 public static JPanel addtoLayout(JPanel panel, String tooltip,
153 JComponent label, JComponent valBox)
155 JPanel laypanel = new JPanel(new GridLayout(1, 2));
156 JPanel labPanel = new JPanel(new BorderLayout());
157 JPanel valPanel = new JPanel();
158 labPanel.setBounds(new Rectangle(7, 7, 158, 23));
159 valPanel.setBounds(new Rectangle(172, 7, 270, 23));
160 labPanel.add(label, BorderLayout.WEST);
161 valPanel.add(valBox);
162 laypanel.add(labPanel);
163 laypanel.add(valPanel);
164 valPanel.setToolTipText(tooltip);
165 labPanel.setToolTipText(tooltip);
166 valBox.setToolTipText(tooltip);
172 public static void mgAddtoLayout(JPanel cpanel, String tooltip,
173 JLabel jLabel, JComponent name)
175 mgAddtoLayout(cpanel, tooltip, jLabel, name, null);
178 public static void mgAddtoLayout(JPanel cpanel, String tooltip,
179 JLabel jLabel, JComponent name, String params)
188 cpanel.add(name, params);
190 name.setToolTipText(tooltip);
191 jLabel.setToolTipText(tooltip);
195 * standard font for labels and check boxes in dialog boxes
200 public static Font getLabelFont()
202 return getLabelFont(false, false);
205 public static Font getLabelFont(boolean bold, boolean italic)
207 return new java.awt.Font("Verdana",
208 (!bold && !italic) ? Font.PLAIN
209 : (bold ? Font.BOLD : 0) + (italic ? Font.ITALIC : 0),
214 * standard font for editable text areas
218 public static Font getTextAreaFont()
220 return getLabelFont(false, false);
224 * clean up a swing menu. Removes any empty submenus without selection
229 public static void cleanMenu(JMenu webService)
231 for (int i = 0; i < webService.getItemCount();)
233 JMenuItem item = webService.getItem(i);
234 if (item instanceof JMenu && ((JMenu) item).getItemCount() == 0)
236 webService.remove(i);
246 * Returns the proportion of its range that a scrollbar's position represents,
247 * as a value between 0 and 1. For example if the whole range is from 0 to
248 * 200, then a position of 40 gives proportion = 0.2.
250 * @see http://www.javalobby.org/java/forums/t33050.html#91885334
255 public static float getScrollBarProportion(JScrollBar scroll)
258 * The extent (scroll handle width) deduction gives the true operating range
259 * of possible positions.
261 int possibleRange = scroll.getMaximum() - scroll.getMinimum()
262 - scroll.getModel().getExtent();
263 float valueInRange = scroll.getValue()
264 - (scroll.getModel().getExtent() / 2f);
265 float proportion = valueInRange / possibleRange;
270 * Returns the scroll bar position in its range that would match the given
271 * proportion (between 0 and 1) of the whole. For example if the whole range
272 * is from 0 to 200, then a proportion of 0.25 gives position 50.
278 public static int getScrollValueForProportion(JScrollBar scrollbar,
282 * The extent (scroll handle width) deduction gives the true operating range
283 * of possible positions.
285 float fraction = proportion
286 * (scrollbar.getMaximum() - scrollbar.getMinimum()
287 - scrollbar.getModel().getExtent())
288 + (scrollbar.getModel().getExtent() / 2f);
289 return Math.min(Math.round(fraction), scrollbar.getMaximum());
292 public static void jvInitComponent(AbstractButton comp, String i18nString)
294 setColorAndFont(comp);
295 if (i18nString != null && !i18nString.isEmpty())
297 comp.setText(MessageManager.getString(i18nString));
301 public static void jvInitComponent(JComponent comp)
303 setColorAndFont(comp);
306 private static void setColorAndFont(JComponent comp)
308 comp.setBackground(Color.white);
309 comp.setFont(JvSwingUtils.getLabelFont());
313 * A helper method to build a drop-down choice of values, with tooltips for
319 public static JComboBox<String> buildComboWithTooltips(
320 List<String> entries, List<String> tooltips)
322 JComboBox<String> combo = new JComboBox<>();
323 final ComboBoxTooltipRenderer renderer = new ComboBoxTooltipRenderer();
324 combo.setRenderer(renderer);
325 for (String attName : entries)
327 combo.addItem(attName);
329 renderer.setTooltips(tooltips);
330 final MouseAdapter mouseListener = new MouseAdapter()
333 public void mouseEntered(MouseEvent e)
335 int j = combo.getSelectedIndex();
338 combo.setToolTipText(tooltips.get(j));
342 public void mouseExited(MouseEvent e)
344 combo.setToolTipText(null);
347 for (Component c : combo.getComponents())
349 c.addMouseListener(mouseListener);