+package jalview.gui;
+
+import jalview.datamodel.AnnotatedCollectionI;
+import jalview.schemes.ColourSchemeI;
+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
+ {
+ 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. It is returned the name of the selected colour, or "None"
+ * or "User Defined".
+ * <ul>
+ * <li>None</li>
+ * <li>Clustal</li>
+ * <li>...other 'built-in' colours</li>
+ * <li>...any user-defined colours</li>
+ * <li>User Defined..</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
+ */
+ public static void addMenuItems(final JMenu colourMenu,
+ final ColourChangeListener client, AnnotatedCollectionI coll)
+ {
+ /*
+ * ButtonGroup groups those items whose
+ * selection is mutually exclusive
+ */
+ ButtonGroup colours = new ButtonGroup();
+ 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 added)
+ */
+ Iterable<ColourSchemeI> colourSchemes = ColourSchemes.getInstance()
+ .getColourSchemes();
+ for (ColourSchemeI scheme : colourSchemes)
+ {
+ /*
+ * button text is i18n'd but the name is the canonical name of
+ * the colour scheme (inspected in changeColour_actionPerformed)
+ */
+ 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
+ */
+ radioItem.addMouseListener(new MouseAdapter()
+ {
+ @Override
+ public void mousePressed(MouseEvent evt)
+ {
+ if (evt.isPopupTrigger()) // Mac
+ {
+ offerRemoval();
+ }
+ }
+
+ @Override
+ public void mouseReleased(MouseEvent evt)
+ {
+ if (evt.isPopupTrigger()) // 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)
+ {
+ UserDefinedColours.removeColourFromDefaults(radioItem
+ .getName());
+ ColourSchemes.getInstance().removeColourScheme(
+ radioItem.getName());
+ colourMenu.remove(radioItem);
+ }
+ else
+ {
+ radioItem.addActionListener(al);
+ }
+ }
+ });
+ }
+ radioItem.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent evt)
+ {
+ client.changeColour_actionPerformed(name);
+ }
+ });
+ colourMenu.add(radioItem);
+ colours.add(radioItem);
+ }
+
+ final String label = MessageManager.getString("action.user_defined");
+ JRadioButtonMenuItem userDefinedColour = new JRadioButtonMenuItem(label);
+ userDefinedColour.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent e)
+ {
+ client.changeColour_actionPerformed(ResidueColourScheme.USER_DEFINED);
+ }
+ });
+ colourMenu.add(userDefinedColour);
+ colours.add(userDefinedColour);
+ }
+
+ /**
+ * Marks as selected the colour menu item matching the given name, or the
+ * first item ('None') if no match is found
+ *
+ * @param colourMenu
+ * @param colourName
+ */
+ public static void setColourSelected(JMenu colourMenu, String colourName)
+ {
+ if (colourName == null)
+ {
+ return;
+ }
+
+ JRadioButtonMenuItem none = 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)
+ {
+ String buttonName = ((JRadioButtonMenuItem) menuItem).getName();
+ if (colourName.equals(buttonName))
+ {
+ ((JRadioButtonMenuItem) menuItem).setSelected(true);
+ return;
+ }
+ if (ResidueColourScheme.NONE.equals(buttonName))
+ {
+ none = (JRadioButtonMenuItem) menuItem;
+ }
+ }
+ }
+ if (none != null)
+ {
+ none.setSelected(true);
+ }
+ }
+
+ /**
+ * Marks as selected the colour menu item matching the given colour scheme, or
+ * the first item ('None') if no match is found
+ *
+ * @param colourMenu
+ * @param cs
+ */
+ public static void setColourSelected(JMenu colourMenu, ColourSchemeI cs)
+ {
+ setColourSelected(colourMenu, cs == null ? ResidueColourScheme.NONE
+ : cs.getSchemeName());
+ }
+}