+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.gui;
+import java.awt.BorderLayout;
import java.awt.Color;
+import java.awt.Component;
import java.awt.Font;
+import java.awt.GridLayout;
+import java.awt.Rectangle;
import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.List;
+import java.util.Objects;
+import javax.swing.AbstractButton;
+import javax.swing.BorderFactory;
import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JComponent;
+import javax.swing.JLabel;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import javax.swing.JPanel;
+import javax.swing.JScrollBar;
import javax.swing.SwingConstants;
+import javax.swing.border.Border;
+import javax.swing.border.TitledBorder;
+
+import jalview.util.MessageManager;
/**
* useful functions for building Swing GUIs
+ *
* @author JimP
- *
+ *
*/
public final class JvSwingUtils
{
+ static final String HTML_PREFIX = "<html><div style=\"width:350px;white-space:pre-wrap;margin:2px;overflow-wrap:break-word;\">";
+
/**
- * wrap a bare html safe string to around 60 characters per line using a <table width=350><tr><td></td> field
+ * wrap a bare html safe string to around 60 characters per line using a CSS
+ * style class specifying word-wrap and break-word
+ *
+ * @param enclose
+ * if true, add <html> wrapper tags (currently false for only
+ * two references -- both in Jws2Discoverer --
* @param ttext
+ *
* @return
*/
- public static String wrapTooltip(String ttext)
+ public static String wrapTooltip(boolean enclose, String ttext)
{
- if (ttext.length()<60)
+ Objects.requireNonNull(ttext,
+ "Tootip text to format must not be null!");
+ ttext = ttext.trim().replaceAll("<br/>", "<br>");
+
+ boolean maxLengthExceeded = false;
+ boolean isHTML = ttext.startsWith("<html>");
+ if (isHTML)
+ {
+ ttext = ttext.substring(6);
+ }
+ if (ttext.endsWith("</html>"))
+ {
+ isHTML = true;
+ ttext = ttext.substring(0, ttext.length() - 7);
+ }
+ boolean hasBR = ttext.contains("<br>");
+ enclose |= isHTML || hasBR;
+ if (hasBR)
+ {
+
+// Too complex in HTML5 to mix <br> with word wrapping.
+//
+// String[] htmllines = ttext.split("<br>");
+// for (String line : htmllines)
+// {
+// maxLengthExceeded = line.length() > 60;
+// if (maxLengthExceeded)
+// {
+// break;
+// }
+// }
+ }
+ else
+ {
+ maxLengthExceeded = ttext.length() > 60;
+ }
+
+ if (!maxLengthExceeded)
{
- return ttext;
- } else {
- return "<table width=350 border=0><tr><td>"+ttext+"</td></tr></table>";
+ return enclose ? "<html>" + ttext + "</html>" : ttext;
}
+ // BH 2018,2019
+ return (enclose ? HTML_PREFIX + ttext + "</div></html>" : ttext);
}
+
public static JButton makeButton(String label, String tooltip,
ActionListener action)
{
return button;
}
+ /**
+ * find or add a submenu with the given title in the given menu
+ *
+ * @param menu
+ * @param submenu
+ * @return the new or existing submenu
+ */
+ public static JMenu findOrCreateMenu(JMenu menu, String submenu)
+ {
+ JMenu submenuinstance = null;
+ for (int i = 0, iSize = menu.getMenuComponentCount(); i < iSize; i++)
+ {
+ if (menu.getMenuComponent(i) instanceof JMenu
+ && ((JMenu) menu.getMenuComponent(i)).getText()
+ .equals(submenu))
+ {
+ submenuinstance = (JMenu) menu.getMenuComponent(i);
+ }
+ }
+ if (submenuinstance == null)
+ {
+ submenuinstance = new JMenu(submenu);
+ menu.add(submenuinstance);
+ }
+ return submenuinstance;
+
+ }
+
+ /**
+ *
+ * @param panel
+ * @param tooltip
+ * @param label
+ * @param valBox
+ * @return the GUI element created that was added to the layout so it's
+ * attributes can be changed.
+ */
+ public static JPanel addtoLayout(JPanel panel, String tooltip,
+ JComponent label, JComponent valBox)
+ {
+ JPanel laypanel = new JPanel(new GridLayout(1, 2));
+ JPanel labPanel = new JPanel(new BorderLayout());
+ JPanel valPanel = new JPanel();
+ labPanel.setBounds(new Rectangle(7, 7, 158, 23));
+ valPanel.setBounds(new Rectangle(172, 7, 270, 23));
+ labPanel.add(label, BorderLayout.WEST);
+ valPanel.add(valBox);
+ laypanel.add(labPanel);
+ laypanel.add(valPanel);
+ valPanel.setToolTipText(tooltip);
+ labPanel.setToolTipText(tooltip);
+ valBox.setToolTipText(tooltip);
+ panel.add(laypanel);
+ panel.validate();
+ return laypanel;
+ }
+
+ public static void mgAddtoLayout(JPanel cpanel, String tooltip,
+ JLabel jLabel, JComponent name)
+ {
+ mgAddtoLayout(cpanel, tooltip, jLabel, name, null);
+ }
+
+ public static void mgAddtoLayout(JPanel cpanel, String tooltip,
+ JLabel jLabel, JComponent name, String params)
+ {
+ cpanel.add(jLabel);
+ if (params == null)
+ {
+ cpanel.add(name);
+ }
+ else
+ {
+ cpanel.add(name, params);
+ }
+ name.setToolTipText(tooltip);
+ jLabel.setToolTipText(tooltip);
+ }
+
+ /**
+ * standard font for labels and check boxes in dialog boxes
+ *
+ * @return
+ */
+
+ public static Font getLabelFont()
+ {
+ return getLabelFont(false, false);
+ }
+
+ public static Font getLabelFont(boolean bold, boolean italic)
+ {
+ return new java.awt.Font("Verdana",
+ (!bold && !italic) ? Font.PLAIN
+ : (bold ? Font.BOLD : 0) + (italic ? Font.ITALIC : 0),
+ 11);
+ }
+
+ /**
+ * standard font for editable text areas
+ *
+ * @return
+ */
+ public static Font getTextAreaFont()
+ {
+ return getLabelFont(false, false);
+ }
+
+ /**
+ * clean up a swing menu. Removes any empty submenus without selection
+ * listeners.
+ *
+ * @param webService
+ */
+ public static void cleanMenu(JMenu webService)
+ {
+ for (int i = 0; i < webService.getItemCount();)
+ {
+ JMenuItem item = webService.getItem(i);
+ if (item instanceof JMenu && ((JMenu) item).getItemCount() == 0)
+ {
+ webService.remove(i);
+ }
+ else
+ {
+ i++;
+ }
+ }
+ }
+
+ /**
+ * Returns the proportion of its range that a scrollbar's position represents,
+ * as a value between 0 and 1. For example if the whole range is from 0 to
+ * 200, then a position of 40 gives proportion = 0.2.
+ *
+ * @see http://www.javalobby.org/java/forums/t33050.html#91885334
+ *
+ * @param scroll
+ * @return
+ */
+ public static float getScrollBarProportion(JScrollBar scroll)
+ {
+ /*
+ * The extent (scroll handle width) deduction gives the true operating range
+ * of possible positions.
+ */
+ int possibleRange = scroll.getMaximum() - scroll.getMinimum()
+ - scroll.getModel().getExtent();
+ float valueInRange = scroll.getValue()
+ - (scroll.getModel().getExtent() / 2f);
+ float proportion = valueInRange / possibleRange;
+ return proportion;
+ }
+
+ /**
+ * Returns the scroll bar position in its range that would match the given
+ * proportion (between 0 and 1) of the whole. For example if the whole range
+ * is from 0 to 200, then a proportion of 0.25 gives position 50.
+ *
+ * @param scrollbar
+ * @param proportion
+ * @return
+ */
+ public static int getScrollValueForProportion(JScrollBar scrollbar,
+ float proportion)
+ {
+ /*
+ * The extent (scroll handle width) deduction gives the true operating range
+ * of possible positions.
+ */
+ float fraction = proportion
+ * (scrollbar.getMaximum() - scrollbar.getMinimum()
+ - scrollbar.getModel().getExtent())
+ + (scrollbar.getModel().getExtent() / 2f);
+ return Math.min(Math.round(fraction), scrollbar.getMaximum());
+ }
+
+ public static void jvInitComponent(AbstractButton comp, String i18nString)
+ {
+ setColorAndFont(comp);
+ if (i18nString != null && !i18nString.isEmpty())
+ {
+ comp.setText(MessageManager.getString(i18nString));
+ }
+ }
+
+ public static void jvInitComponent(JComponent comp)
+ {
+ setColorAndFont(comp);
+ }
+
+ private static void setColorAndFont(JComponent comp)
+ {
+ comp.setBackground(Color.white);
+ comp.setFont(JvSwingUtils.getLabelFont());
+ }
+
+ /**
+ * A helper method to build a drop-down choice of values, with tooltips for
+ * the entries
+ *
+ * @param entries
+ * @param tooltips
+ */
+ public static JComboBox<Object> buildComboWithTooltips(
+ List<Object> entries, List<String> tooltips)
+ {
+ JComboBox<Object> combo = new JComboBox<>();
+ final ComboBoxTooltipRenderer renderer = new ComboBoxTooltipRenderer();
+ combo.setRenderer(renderer);
+ for (Object attName : entries)
+ {
+ combo.addItem(attName);
+ }
+ renderer.setTooltips(tooltips);
+ final MouseAdapter mouseListener = new MouseAdapter()
+ {
+ @Override
+ public void mouseEntered(MouseEvent e)
+ {
+ int j = combo.getSelectedIndex();
+ if (j > -1)
+ {
+ combo.setToolTipText(tooltips.get(j));
+ }
+ }
+ @Override
+ public void mouseExited(MouseEvent e)
+ {
+ combo.setToolTipText(null);
+ }
+ };
+ for (Component c : combo.getComponents())
+ {
+ c.addMouseListener(mouseListener);
+ }
+ return combo;
+ }
+
+ /**
+ * Adds a titled border to the component in the default font and position (top
+ * left), optionally witht italic text
+ *
+ * @param comp
+ * @param title
+ * @param italic
+ */
+ public static TitledBorder createTitledBorder(JComponent comp,
+ String title, boolean italic)
+ {
+ Font font = comp.getFont();
+ if (italic)
+ {
+ font = new Font(font.getName(), Font.ITALIC, font.getSize());
+ }
+ Border border = BorderFactory.createTitledBorder("");
+ TitledBorder titledBorder = BorderFactory.createTitledBorder(border,
+ title, TitledBorder.LEADING, TitledBorder.DEFAULT_POSITION,
+ font);
+ comp.setBorder(titledBorder);
+
+ return titledBorder;
+ }
+
}