--- /dev/null
+/*
+ * 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 jalview.bin.Cache;
+import jalview.datamodel.AnnotatedCollectionI;
+import jalview.schemes.ColourSchemeI;
+import jalview.schemes.ColourSchemeLoader;
+import jalview.schemes.ColourSchemes;
+import jalview.schemes.ResidueColourScheme;
+import jalview.schemes.UserColourScheme;
+import jalview.util.MessageManager;
+
+import java.awt.Component;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+import javax.swing.ButtonGroup;
+import javax.swing.JMenu;
+import javax.swing.JRadioButtonMenuItem;
+
+public class ColourMenuHelper
+{
+ public interface ColourChangeListener
+ {
+ /**
+ * Change colour scheme to the selected scheme
+ *
+ * @param name
+ * the registered (unique) name of a colour scheme
+ */
+ void changeColour_actionPerformed(String name);
+ }
+
+ /**
+ * Adds items to the colour menu, as mutually exclusive members of a button
+ * group. The callback handler is responsible for the action on selecting any
+ * of these options. The callback method receives the name of the selected
+ * colour, or "None" or "User Defined". This method returns the ButtonGroup to
+ * which items were added.
+ * <ul>
+ * <li>None</li>
+ * <li>Clustal</li>
+ * <li>...other 'built-in' colours</li>
+ * <li>...any user-defined colours</li>
+ * <li>User Defined..(only for AlignFrame menu)</li>
+ * </ul>
+ *
+ * @param colourMenu
+ * the menu to attach items to
+ * @param client
+ * a callback to handle menu selection
+ * @param coll
+ * the data the menu is being built for
+ * @param simpleOnly
+ * if true, only simple per-residue colour schemes are included
+ */
+ public static ButtonGroup addMenuItems(final JMenu colourMenu,
+ final ColourChangeListener client, AnnotatedCollectionI coll,
+ boolean simpleOnly)
+ {
+ /*
+ * ButtonGroup groups those items whose
+ * selection is mutually exclusive
+ */
+ ButtonGroup colours = new ButtonGroup();
+
+ if (!simpleOnly)
+ {
+ JRadioButtonMenuItem noColourmenuItem = new JRadioButtonMenuItem(
+ MessageManager.getString("label.none"));
+ noColourmenuItem.setName(ResidueColourScheme.NONE);
+ noColourmenuItem.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent e)
+ {
+ client.changeColour_actionPerformed(ResidueColourScheme.NONE);
+ }
+ });
+ colourMenu.add(noColourmenuItem);
+ colours.add(noColourmenuItem);
+ }
+
+ /*
+ * scan registered colour schemes (built-in or user-defined)
+ * and add them to the menu (in the order they were registered)
+ */
+ Iterable<ColourSchemeI> colourSchemes = ColourSchemes.getInstance()
+ .getColourSchemes();
+ for (ColourSchemeI scheme : colourSchemes)
+ {
+ if (simpleOnly && !scheme.isSimple())
+ {
+ continue;
+ }
+
+ /*
+ * button text is i18n'd but the name is the canonical name of
+ * the colour scheme (inspected in setColourSelected())
+ */
+ final String name = scheme.getSchemeName();
+ String label = MessageManager.getStringOrReturn(
+ "label.colourScheme_" + name.toLowerCase().replace(" ", "_"),
+ name);
+ final JRadioButtonMenuItem radioItem = new JRadioButtonMenuItem(
+ label);
+ radioItem.setName(name);
+ radioItem.setEnabled(scheme.isApplicableTo(coll));
+ if (scheme instanceof UserColourScheme)
+ {
+ /*
+ * user-defined colour scheme loaded on startup or during the
+ * Jalview session; right-click on this offers the option to
+ * remove it as a colour choice (unless currently selected)
+ */
+ radioItem.addMouseListener(new MouseAdapter()
+ {
+ @Override
+ public void mousePressed(MouseEvent evt)
+ {
+ if (evt.isPopupTrigger() && !radioItem.isSelected()) // Mac
+ {
+ offerRemoval();
+ }
+ }
+
+ @Override
+ public void mouseReleased(MouseEvent evt)
+ {
+ if (evt.isPopupTrigger() && !radioItem.isSelected()) // Windows
+ {
+ offerRemoval();
+ }
+ }
+
+ void offerRemoval()
+ {
+ ActionListener al = radioItem.getActionListeners()[0];
+ radioItem.removeActionListener(al);
+ int option = JvOptionPane.showInternalConfirmDialog(
+ Desktop.desktop,
+ MessageManager
+ .getString("label.remove_from_default_list"),
+ MessageManager
+ .getString("label.remove_user_defined_colour"),
+ JvOptionPane.YES_NO_OPTION);
+ if (option == JvOptionPane.YES_OPTION)
+ {
+ ColourSchemes.getInstance()
+ .removeColourScheme(radioItem.getName());
+ colourMenu.remove(radioItem);
+ updatePreferences();
+ }
+ else
+ {
+ radioItem.addActionListener(al);
+ }
+ }
+ });
+ }
+ radioItem.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent evt)
+ {
+ client.changeColour_actionPerformed(name);
+ }
+ });
+ colourMenu.add(radioItem);
+ colours.add(radioItem);
+ }
+
+ /*
+ * only add the option to load/configure a user-defined colour
+ * to the AlignFrame colour menu
+ */
+ if (client instanceof AlignFrame)
+ {
+ final String label = MessageManager.getString("action.user_defined");
+ JRadioButtonMenuItem userDefinedColour = new JRadioButtonMenuItem(
+ label);
+ userDefinedColour.setName(ResidueColourScheme.USER_DEFINED_MENU);
+ userDefinedColour.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent e)
+ {
+ client.changeColour_actionPerformed(
+ ResidueColourScheme.USER_DEFINED_MENU);
+ }
+ });
+ colourMenu.add(userDefinedColour);
+ colours.add(userDefinedColour);
+ }
+
+ return colours;
+ }
+
+ /**
+ * Marks as selected the colour menu item matching the given colour scheme, or
+ * the first item ('None') if no match is found. If the colour scheme is a
+ * user defined scheme, but not in the menu (this arises if a new scheme is
+ * defined and applied but not saved to file), then menu option "User
+ * Defined.." is selected.
+ *
+ * @param colourMenu
+ * @param cs
+ */
+ public static void setColourSelected(JMenu colourMenu, ColourSchemeI cs)
+ {
+ String colourName = cs == null ? ResidueColourScheme.NONE
+ : cs.getSchemeName();
+
+ JRadioButtonMenuItem none = null;
+ JRadioButtonMenuItem userDefined = null;
+
+ /*
+ * select the radio button whose name matches the colour name
+ * (not the button text, as it may be internationalised)
+ */
+ for (Component menuItem : colourMenu.getMenuComponents())
+ {
+ if (menuItem instanceof JRadioButtonMenuItem)
+ {
+ JRadioButtonMenuItem radioButton = (JRadioButtonMenuItem) menuItem;
+ String buttonName = radioButton.getName();
+ if (buttonName.equals(colourName))
+ {
+ radioButton.setSelected(true);
+ return;
+ }
+ if (ResidueColourScheme.NONE.equals(buttonName))
+ {
+ none = radioButton;
+ }
+ if (ResidueColourScheme.USER_DEFINED_MENU.equals(buttonName))
+ {
+ userDefined = radioButton;
+ }
+ }
+ }
+
+ /*
+ * no match by name; select User Defined.. if current scheme is a
+ * user defined one, else select None
+ */
+ if (cs instanceof UserColourScheme && userDefined != null)
+ {
+ userDefined.setSelected(true);
+ }
+ else if (none != null)
+ {
+ none.setSelected(true);
+ }
+ }
+
+ /**
+ * Updates the USER_DEFINE_COLOURS preference to remove any de-registered
+ * colour scheme
+ */
+ static void updatePreferences()
+ {
+ StringBuilder coloursFound = new StringBuilder();
+ String[] files = Cache.getProperty("USER_DEFINED_COLOURS").split("\\|");
+
+ /*
+ * the property does not include the scheme name, it is in the file;
+ * so just load the colour schemes and discard any whose name is not
+ * registered
+ */
+ for (String file : files)
+ {
+ try
+ {
+ UserColourScheme ucs = ColourSchemeLoader.loadColourScheme(file);
+ if (ucs != null
+ && ColourSchemes.getInstance().nameExists(ucs.getName()))
+ {
+ if (coloursFound.length() > 0)
+ {
+ coloursFound.append("|");
+ }
+ coloursFound.append(file);
+ }
+ } catch (Exception ex)
+ {
+ System.out.println("Error loading User ColourFile\n" + ex);
+ }
+ }
+
+ if (coloursFound.toString().length() > 1)
+ {
+ Cache.setProperty("USER_DEFINED_COLOURS", coloursFound.toString());
+ }
+ else
+ {
+ Cache.applicationProperties.remove("USER_DEFINED_COLOURS");
+ }
+ }
+}