view/std/JSMidiInstrumentTree.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2008 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler 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 JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler.view.std;

import java.awt.Dimension;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import java.util.Vector;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.KeyStroke;

import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;

import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeSelectionModel;

import org.jsampler.CC;
import org.jsampler.HF;
import org.jsampler.MidiInstrument;
import org.jsampler.MidiInstrumentMap;

import org.jsampler.event.MidiInstrumentEvent;
import org.jsampler.event.MidiInstrumentListener;
import org.jsampler.event.MidiInstrumentMapEvent;
import org.jsampler.event.MidiInstrumentMapListener;

import org.linuxsampler.lscp.MidiInstrumentInfo;
import org.linuxsampler.lscp.MidiInstrumentMapInfo;

import net.sf.juife.OkCancelDialog;

import static org.jsampler.JSPrefs.FIRST_MIDI_BANK_NUMBER;
import static org.jsampler.JSPrefs.FIRST_MIDI_PROGRAM_NUMBER;
import static org.jsampler.view.std.StdI18n.i18n;


/**
 *
 * @author Grigor Iliev
 */
public class JSMidiInstrumentTree extends JTree {
        private DefaultTreeModel model;
        private MidiInstrumentMap midiInstrumentMap;
        private final ContextMenu contextMenu;
        
        /**
         * Creates a new instance of <code>JSMidiInstrumentTree</code>
         */
        public
        JSMidiInstrumentTree() {
                setRootVisible(false);
                setShowsRootHandles(true);
                setEditable(false);
                
                addMouseListener(new MouseAdapter() {
                        public void
                        mousePressed(MouseEvent e) {
                                if(e.getButton() != e.BUTTON3) return;
                                setSelectionPath(getClosestPathForLocation(e.getX(), e.getY()));
                        }
                        
                        public void
                        mouseClicked(MouseEvent e) {
                                if(e.getButton() != e.BUTTON1) return;
                                if(e.getClickCount() > 1) editSelectedInstrument();
                        }
                });
                
                setMidiInstrumentMap(null);
                
                getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
                contextMenu = new ContextMenu();
                addMouseListener(contextMenu);
                
                addTreeSelectionListener(getHandler());
                
                Action a = new AbstractAction() {
                        public void
                        actionPerformed(ActionEvent e) {
                                removeSelectedInstrumentOrBank();
                        }
                };
                
                KeyStroke k = KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0);
                getInputMap(JComponent.WHEN_FOCUSED).put(k, "removeSelectedInstrumentOrBank");
                getActionMap().put("removeSelectedInstrumentOrBank", a);
                
                String s = FIRST_MIDI_BANK_NUMBER;
                CC.preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
                        public void
                        propertyChange(PropertyChangeEvent e) {
                                model.reload();
                        }
                });
                
                s = FIRST_MIDI_PROGRAM_NUMBER;
                CC.preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
                        public void
                        propertyChange(PropertyChangeEvent e) {
                                model.reload();
                                contextMenu.updateChangeProgramMenu();
                        }
                });
        }
        
        /**
         * Gets the MIDI instrument map that is represented by this MIDI instrument tree.
         * @return The MIDI instrument map that is represented by this MIDI instrument tree.
         */
        public MidiInstrumentMap
        getMidiInstrumentMap() { return midiInstrumentMap; }
        
        /**
         * Sets the MIDI instrument map to be represented by this MIDI instrument tree.
         * @param map The MIDI instrument map to be represented by this MIDI instrument tree.
         */
        public void
        setMidiInstrumentMap(MidiInstrumentMap map) {
                if(getMidiInstrumentMap() != null) {
                        for(MidiInstrument instr : getMidiInstrumentMap().getAllMidiInstruments()) {
                                instr.removeMidiInstrumentListener(getHandler());
                        }
                        
                        getMidiInstrumentMap().removeMidiInstrumentMapListener(getHandler());
                }
                
                midiInstrumentMap = map;
                
                DefaultMutableTreeNode root = new DefaultMutableTreeNode() {
                        public boolean
                        isLeaf() { return false; }
                        
                        public Object
                        getUserObject() { return "/"; }
                };
                
                model = new DefaultTreeModel(root);
                
                if(map != null) {
                        for(MidiInstrument instr : map.getAllMidiInstruments()) {
                                mapInstrument(instr);
                                instr.addMidiInstrumentListener(getHandler());
                        }
                
                        map.addMidiInstrumentMapListener(getHandler());
                }
                
                setEnabled(map != null);
                
                setModel(model);
        }
        
        /**
         * Adds the specified MIDI instrument to this tree.
         * @param instr The MIDI instrument to add.
         */
        public void
        mapInstrument(MidiInstrument instr) {
                MidiBank bank = new MidiBank(instr.getInfo().getMidiBank());
                DefaultMutableTreeNode bankNode = findBank(bank);
                
                if(bankNode == null) {
                        bankNode = new BankTreeNode(bank);
                        
                        model.insertNodeInto (
                                bankNode,
                                (DefaultMutableTreeNode)model.getRoot(),
                                findBankPosition(bank.getId())
                        );
                }
                
                model.insertNodeInto (
                        new InstrTreeNode(instr),
                        bankNode,
                        removeProgram(bankNode, instr.getInfo().getMidiProgram())
                );
        }
        
        /**
         * Removes the specified MIDI instrument from the tree.
         * @param instr The MIDI instrument to remove.
         * @throws IllegalArgumentException If the specified instrument is not found.
         */
        public void
        unmapInstrument(MidiInstrument instr) {
                MidiBank bank = new MidiBank(instr.getInfo().getMidiBank());
                DefaultMutableTreeNode bankNode = findBank(bank);
                
                if(bankNode == null)
                        throw new IllegalArgumentException("Missing MIDI bank: " + bank.getId());
                
                removeProgram(bankNode, instr.getInfo().getMidiProgram());
                if(bankNode.getChildCount() == 0) model.removeNodeFromParent(bankNode);
        }
        
        /**
         * Gets the selected MIDI instrument.
         * @return The selected MIDI instrument, or
         * <code>null</code> if there is no MIDI instrument selected.
         */
        public MidiInstrument
        getSelectedInstrument() {
                if(getSelectionCount() == 0) return null;
                Object obj = getSelectionPath().getLastPathComponent();
                if(!(obj instanceof InstrTreeNode)) return null;
                obj = ((InstrTreeNode)obj).getUserObject();
                return (MidiInstrument)obj;
        }
        
        /**
         * Gets the selected MIDI bank.
         * @return The selected MIDI bank, or
         * <code>null</code> if there is no MIDI bank selected.
         */
        public MidiBank
        getSelectedMidiBank() {
                if(getSelectionCount() == 0) return null;
                
                Object obj = getSelectionPath().getLastPathComponent();
                if(!(obj instanceof BankTreeNode)) return null;
                
                BankTreeNode n = (BankTreeNode)obj;
                return (MidiBank)n.getUserObject();
        }
        
        /**
         * Removes (on the backend side) the selected MIDI instrument or MIDI bank.
         */
        public void
        removeSelectedInstrumentOrBank() {
                if(getSelectionCount() == 0) return;
                
                Object obj = getSelectionPath().getLastPathComponent();
                if(obj instanceof InstrTreeNode) {
                        obj = ((InstrTreeNode)obj).getUserObject();
                        removeInstrument((MidiInstrument)obj);
                } else if(obj instanceof BankTreeNode) {
                        BankTreeNode n = (BankTreeNode)obj;
                        int c = n.getChildCount();
                        if(c > 1) {
                                String s;
                                s = i18n.getMessage("JSMidiInstrumentTree.removeInstruments?", c);
                                if(!HF.showYesNoDialog(CC.getMainFrame(), s)) return;
                        }
                        
                        for(int i = c - 1; i >= 0; i--) {
                                obj = ((InstrTreeNode)n.getChildAt(i)).getUserObject();
                                removeInstrument((MidiInstrument)obj);
                        }
                }
        }
        
        /**
         * Removes (on the backend side) the specified MIDI instrument.
         */
        private void
        removeInstrument(MidiInstrument instr) {
                MidiInstrumentInfo i = instr.getInfo();
                CC.getSamplerModel().unmapBackendMidiInstrument (
                        i.getMapId(), i.getMidiBank(), i.getMidiProgram()
                );
        }
        
        /**
         * Returns the position, where the specified bank should be inserted.
         */
        private int
        findBankPosition(int bankID) {
                DefaultMutableTreeNode root = (DefaultMutableTreeNode)model.getRoot();
                
                for(int i = 0; i < root.getChildCount(); i++) {
                        DefaultMutableTreeNode node = (DefaultMutableTreeNode)root.getChildAt(i);
                        MidiBank bank = (MidiBank)node.getUserObject();
                        if(bank.getId() > bankID) return i;
                }
                
                return root.getChildCount();
        }
        
        /**
         * If there is already an instrument with MIDI program <code>program</code>,
         * those instrument is removed from the tree.
         * @return The position, where the instrument of the specified program should be inserted.
         */
        private int
        removeProgram(DefaultMutableTreeNode bankNode, int program) {
                
                for(int i = 0; i < bankNode.getChildCount(); i++) {
                        DefaultMutableTreeNode n = (DefaultMutableTreeNode)bankNode.getChildAt(i);
                        MidiInstrument instr = (MidiInstrument)n.getUserObject();
                        
                        if(instr.getInfo().getMidiProgram() == program) {
                                model.removeNodeFromParent(n);
                                return i;
                        }
                        
                        if(instr.getInfo().getMidiProgram() > program) return i;
                }
                
                return bankNode.getChildCount();
        }
        
        private DefaultMutableTreeNode 
        findNode(DefaultMutableTreeNode parent, Object obj) {
                for(int i = 0; i < parent.getChildCount(); i++) {
                        DefaultMutableTreeNode node = (DefaultMutableTreeNode)parent.getChildAt(i);
                        if(node.getUserObject().equals(obj)) return node;
                }
                
                return null;
        }
        
        private DefaultMutableTreeNode 
        findBank(Object obj) {
                return findNode((DefaultMutableTreeNode)model.getRoot(), obj);
        }
        
        private DefaultMutableTreeNode
        findInstrument(Object obj) {
                if(obj == null || !(obj instanceof MidiInstrument)) return null;
                MidiInstrument i = (MidiInstrument) obj;
                DefaultMutableTreeNode bank = findBank(new MidiBank(i.getInfo().getMidiBank()));
                if(bank == null) return null;
                return findNode(bank, obj);
        }
        
        
        private class MidiBank {
                private int id;
                
                MidiBank(int id) {
                        this.id = id;
                }
                
                public int
                getId() { return id; }
                
                public boolean
                equals(Object obj) {
                        if(obj == null) return false;
                        if(!(obj instanceof MidiBank)) return false;
                        if(getId() == ((MidiBank)obj).getId()) return true;
                        return false;
                }
                
                public String
                toString() {
                        int i = CC.getViewConfig().getFirstMidiBankNumber();
                        return i18n.getLabel("JSMidiInstrumentTree.MidiBank.name", i + id);
                }
        }
        
        protected class BankTreeNode extends DefaultMutableTreeNode {
                BankTreeNode(Object obj) {
                        super(obj);
                }
                
                public void
                setUserObject(Object userObject) {
                        if(userObject instanceof MidiBank) {
                                super.setUserObject(userObject);
                                return;
                        }
                        
                        // If we are here, this means that tree editing occurs.
                        CC.getLogger().info("MidiInstrumentTree: editing not supported");
                }
                
                public boolean
                isLeaf() { return false; }
        }
        
        protected class InstrTreeNode extends DefaultMutableTreeNode {
                InstrTreeNode(Object obj) {
                        super(obj);
                }
                
                public void
                setUserObject(Object userObject) {
                        if(userObject instanceof MidiInstrument) {
                                super.setUserObject(userObject);
                                return;
                        }
                        
                        // If we are here, this means that tree editing occurs.
                        CC.getLogger().info("MidiInstrumentTree: editing not supported");
                }
                
                public boolean
                isLeaf() { return true; }
        }
                
        private void
        editSelectedInstrument() {
                MidiInstrument i = getSelectedInstrument();
                if(i == null) return;
                JSEditMidiInstrumentDlg dlg = new JSEditMidiInstrumentDlg(i.getInfo());
                dlg.setVisible(true);
                
                if(dlg.isCancelled()) return;
                
                MidiInstrumentInfo info = dlg.getInstrument();
                CC.getSamplerModel().mapBackendMidiInstrument (
                        info.getMapId(), info.getMidiBank(), info.getMidiProgram(), info
                );
        }
        
        private void
        copyMidiBankTo() { copyOrMoveMidiBankTo(true); }
        
        private void
        moveMidiBankTo() { copyOrMoveMidiBankTo(false); }
        
        private void
        copyOrMoveMidiBankTo(boolean copy) {
                MidiBank bank = getSelectedMidiBank();
                if(bank == null) return;
                
                JSMidiBankChooser dlg = new JSMidiBankChooser();
                
                if(copy) dlg.setTitle(i18n.getLabel("JSMidiInstrumentTree.copyTo"));
                else dlg.setTitle(i18n.getLabel("JSMidiInstrumentTree.moveTo"));
                
                dlg.setSelectedMidiInstrumentMap(getMidiInstrumentMap());
                dlg.setVisible(true);
                if(dlg.isCancelled()) return;
                
                MidiInstrumentMap smap = dlg.getSelectedMidiInstrumentMap();
                
                if(smap == null) {
                        HF.showErrorMessage(i18n.getMessage("JSMidiInstrumentTree.noMap!"), this);
                        return;
                }
                
                if(dlg.getMidiBank() == bank.getId() && smap.getMapId() == getMidiInstrumentMap().getMapId()) {
                        String s = "JSMidiInstrumentTree.sameSourceAndDestination!";
                        HF.showErrorMessage(i18n.getMessage(s), this);
                        return;
                }
                
                MidiInstrument[] instrs = getMidiInstrumentMap().getMidiInstruments(bank.getId());
                int mapId = smap.getMapId();
                int bnkId = dlg.getMidiBank();
                
                Vector<MidiInstrument> v = new Vector<MidiInstrument>();
                for(MidiInstrument i : instrs) {
                        MidiInstrument instr;
                        instr = smap.getMidiInstrument(bnkId, i.getInfo().getMidiProgram());
                        if(instr != null) v.add(instr);
                }
                
                if(!v.isEmpty()) {
                        String[] instrumentNames = new String[v.size()];
                        for(int i = 0; i < v.size(); i++) {
                                int base = CC.getViewConfig().getFirstMidiProgramNumber();
                                int p = v.get(i).getInfo().getMidiProgram();
                                instrumentNames[i] = (base + p) + ". " + v.get(i).getName();
                        }
                        JSOverrideInstrumentsConfirmDlg dlg2;
                        dlg2 = new JSOverrideInstrumentsConfirmDlg(instrumentNames);
                        dlg2.setVisible(true);
                        if(dlg2.isCancelled()) return;
                }
                
                for(MidiInstrument i : instrs) {
                        int p = i.getInfo().getMidiProgram();
                        CC.getSamplerModel().mapBackendMidiInstrument(mapId, bnkId, p, i.getInfo());
                }
                
                if(copy) return;
                
                mapId = getMidiInstrumentMap().getMapId();
                bnkId = bank.getId();
                
                for(MidiInstrument i : instrs) {
                        int p = i.getInfo().getMidiProgram();
                        CC.getSamplerModel().unmapBackendMidiInstrument(mapId, bnkId, p);
                }
        }
        
        private void
        copyMidiInstrumentTo() { copyOrMoveMidiInstrumentTo(true); }
        
        private void
        moveMidiInstrumentTo() { copyOrMoveMidiInstrumentTo(false); }
        
        private void
        copyOrMoveMidiInstrumentTo(boolean copy) {
                MidiInstrument instr = getSelectedInstrument();
                if(instr == null) return;
                
                JSMidiBankChooser dlg = new JSMidiBankChooser();
                
                if(copy) dlg.setTitle(i18n.getLabel("JSMidiInstrumentTree.copyTo"));
                else dlg.setTitle(i18n.getLabel("JSMidiInstrumentTree.moveTo"));
                
                dlg.setSelectedMidiInstrumentMap(getMidiInstrumentMap());
                dlg.setVisible(true);
                if(dlg.isCancelled()) return;
                
                MidiInstrumentMap smap = dlg.getSelectedMidiInstrumentMap();
                
                if(smap == null) {
                        HF.showErrorMessage(i18n.getMessage("JSMidiInstrumentTree.noMap!"), this);
                        return;
                }
                
                int bank = instr.getInfo().getMidiBank();
                if(dlg.getMidiBank() == bank && smap.getMapId() == getMidiInstrumentMap().getMapId()) {
                        String s = "JSMidiInstrumentTree.sameSourceAndDestination!";
                        HF.showErrorMessage(i18n.getMessage(s), this);
                        return;
                }
                
                int mapId = smap.getMapId();
                int bnkId = dlg.getMidiBank();
                int prgId = instr.getInfo().getMidiProgram();
                MidiInstrument oldInstr = smap.getMidiInstrument(bnkId, prgId);
                
                if(oldInstr != null) {
                        String[] iS = new String [1];
                        int base = CC.getViewConfig().getFirstMidiProgramNumber();
                        iS[0] = (base + prgId) + ". " + oldInstr.getName();
                        JSOverrideInstrumentsConfirmDlg dlg2;
                        dlg2 = new JSOverrideInstrumentsConfirmDlg(iS);
                        dlg2.setVisible(true);
                        if(dlg2.isCancelled()) return;
                }
                
                CC.getSamplerModel().mapBackendMidiInstrument(mapId, bnkId, prgId, instr.getInfo());
                
                if(copy) return;
                
                mapId = getMidiInstrumentMap().getMapId();
                
                CC.getSamplerModel().unmapBackendMidiInstrument(mapId, bank, prgId);
        }
        
        private void
        moveSelectedInstrumentUp() {
                MidiInstrument instr = getSelectedInstrument();
                if(instr == null) return;
                moveSelectedInstrument(instr.getInfo().getMidiProgram() - 1);
        }
        
        private void
        moveSelectedInstrumentDown() {
                MidiInstrument instr = getSelectedInstrument();
                if(instr == null) return;
                moveSelectedInstrument(instr.getInfo().getMidiProgram() + 1);
        }
        
        private void
        moveSelectedInstrument(int newProgram) {
                if(newProgram < 0 || newProgram > 127) return;
                MidiInstrument instr = getSelectedInstrument();
                if(instr == null) return;
                
                int bnk = instr.getInfo().getMidiBank();
                int prg = instr.getInfo().getMidiProgram();
                
                MidiInstrument oldInstr = getMidiInstrumentMap().getMidiInstrument(bnk, newProgram);
                if(oldInstr != null) {
                        String[] iS = new String [1];
                        int base = CC.getViewConfig().getFirstMidiProgramNumber();
                        iS[0] = (base + prg) + ". " + oldInstr.getName();
                        JSOverrideInstrumentsConfirmDlg dlg;
                        dlg = new JSOverrideInstrumentsConfirmDlg(iS);
                        dlg.setVisible(true);
                        if(dlg.isCancelled()) return;
                }
                
                int map = this.getMidiInstrumentMap().getMapId();
                CC.getSamplerModel().mapBackendMidiInstrument(map, bnk, newProgram, instr.getInfo());
                CC.getSamplerModel().unmapBackendMidiInstrument(map, bnk, prg);
        }
        
        private final EventHandler eventHandler = new EventHandler();
        
        private EventHandler
        getHandler() { return eventHandler; }
        
        private class EventHandler implements MidiInstrumentListener, MidiInstrumentMapListener,
                                              TreeSelectionListener {
                
                /** Invoked when a MIDI instrument in a MIDI instrument map is changed. */
                public void
                instrumentInfoChanged(MidiInstrumentEvent e) {
                        DefaultMutableTreeNode n = findInstrument(e.getSource());
                        if(n != null) model.nodeChanged(n);
                }
                
                /** Invoked when the name of MIDI instrument map is changed. */
                public void nameChanged(MidiInstrumentMapEvent e) { }
                
                /** Invoked when an instrument is added to a MIDI instrument map. */
                public void
                instrumentAdded(MidiInstrumentMapEvent e) {
                        e.getInstrument().addMidiInstrumentListener(getHandler());
                        mapInstrument(e.getInstrument());
                        
                }
        
                /** Invoked when an instrument is removed from a MIDI instrument map. */
                public void
                instrumentRemoved(MidiInstrumentMapEvent e) {
                        unmapInstrument(e.getInstrument());
                        e.getInstrument().removeMidiInstrumentListener(getHandler());
                }
                
                public void
                valueChanged(TreeSelectionEvent e) {
                        MidiInstrument instr = getSelectedInstrument();
                        if(instr != null) {
                                int p = instr.getInfo().getMidiProgram();
                                contextMenu.miMoveInstrumentDown.setEnabled(p < 127);
                                contextMenu.miMoveInstrumentUp.setEnabled(p > 0);
                        }
                }
        }
        
        class ContextMenu extends MouseAdapter {
                private final JPopupMenu bankMenu = new JPopupMenu();
                
                private final JPopupMenu instrumentMenu = new JPopupMenu();
                
                private final JMenu changeProgramMenu =
                        new JMenu(i18n.getMenuLabel("JSMidiInstrumentTree.ContextMenu.changeProgram"));
                
                private final JMenuItem miMoveInstrumentUp =
                        new JMenuItem(i18n.getMenuLabel("JSMidiInstrumentTree.ContextMenu.moveUp"));
                
                private final JMenuItem miMoveInstrumentDown =
                        new JMenuItem(i18n.getMenuLabel("JSMidiInstrumentTree.ContextMenu.moveDown"));
                
                private final JMenu programGroup1Menu = new JMenu();
                private final JMenu programGroup2Menu = new JMenu();
                private final JMenu programGroup3Menu = new JMenu();
                private final JMenu programGroup4Menu = new JMenu();
                private final JMenu programGroup5Menu = new JMenu();
                private final JMenu programGroup6Menu = new JMenu();
                private final JMenu programGroup7Menu = new JMenu();
                private final JMenu programGroup8Menu = new JMenu();
                
                
                ContextMenu() {
                        JMenuItem mi = new JMenuItem(i18n.getMenuLabel("JSMidiInstrumentTree.ContextMenu.moveTo"));
                        bankMenu.add(mi);
                        mi.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        moveMidiBankTo();
                                }
                        });
                        
                        mi = new JMenuItem(i18n.getMenuLabel("JSMidiInstrumentTree.ContextMenu.copyTo"));
                        bankMenu.add(mi);
                        mi.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        copyMidiBankTo();
                                }
                        });
                        
                        bankMenu.addSeparator();
                        
                        mi = new JMenuItem(i18n.getMenuLabel("ContextMenu.delete"));
                        bankMenu.add(mi);
                        mi.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        removeSelectedInstrumentOrBank();
                                }
                        });
                        
                        // MIDI Instrument Menu
                        
                        mi = new JMenuItem(i18n.getMenuLabel("ContextMenu.edit"));
                        instrumentMenu.add(mi);
                        mi.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        editSelectedInstrument();
                                }
                        });
                        
                        instrumentMenu.addSeparator();
                        
                        mi = new JMenuItem(i18n.getMenuLabel("JSMidiInstrumentTree.ContextMenu.moveTo"));
                        instrumentMenu.add(mi);
                        mi.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        moveMidiInstrumentTo();
                                }
                        });
                        
                        mi = new JMenuItem(i18n.getMenuLabel("JSMidiInstrumentTree.ContextMenu.copyTo"));
                        instrumentMenu.add(mi);
                        mi.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        copyMidiInstrumentTo();
                                }
                        });
                        
                        instrumentMenu.add(changeProgramMenu);
                        
                        changeProgramMenu.add(miMoveInstrumentUp);
                        miMoveInstrumentUp.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        moveSelectedInstrumentUp();
                                }
                        });
                        
                        changeProgramMenu.add(miMoveInstrumentDown);
                        miMoveInstrumentDown.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        moveSelectedInstrumentDown();
                                }
                        });
                        
                        changeProgramMenu.addSeparator();
                        
                        changeProgramMenu.add(programGroup1Menu);
                        addProgramMenuItems(programGroup1Menu, 0, 15);
                        changeProgramMenu.add(programGroup2Menu);
                        addProgramMenuItems(programGroup2Menu, 16, 31);
                        changeProgramMenu.add(programGroup3Menu);
                        addProgramMenuItems(programGroup3Menu, 32, 47);
                        changeProgramMenu.add(programGroup4Menu);
                        addProgramMenuItems(programGroup4Menu, 48, 63);
                        changeProgramMenu.add(programGroup5Menu);
                        addProgramMenuItems(programGroup5Menu, 64, 79);
                        changeProgramMenu.add(programGroup6Menu);
                        addProgramMenuItems(programGroup6Menu, 80, 95);
                        changeProgramMenu.add(programGroup7Menu);
                        addProgramMenuItems(programGroup7Menu, 96, 111);
                        changeProgramMenu.add(programGroup8Menu);
                        addProgramMenuItems(programGroup8Menu, 112, 127);
                        
                        instrumentMenu.addSeparator();
                        updateChangeProgramMenu();
                        
                        mi = new JMenuItem(i18n.getMenuLabel("ContextMenu.delete"));
                        instrumentMenu.add(mi);
                        mi.addActionListener(new ActionListener() {
                                public void
                                actionPerformed(ActionEvent e) {
                                        removeSelectedInstrumentOrBank();
                                }
                        });
                        
                }
                
                private void
                addProgramMenuItems(JMenu menu, int prgStart, int prgEnd) {
                        for(int i = prgStart; i <= prgEnd; i++) {
                                menu.add(new ProgramMenuItem(i));
                        }
                }
                
                private void
                updateChangeProgramMenu() {
                        updateProgramGroupMenu(programGroup1Menu, 0, 15);
                        updateProgramGroupMenu(programGroup2Menu, 16, 31);
                        updateProgramGroupMenu(programGroup3Menu, 32, 47);
                        updateProgramGroupMenu(programGroup4Menu, 48, 63);
                        updateProgramGroupMenu(programGroup5Menu, 64, 79);
                        updateProgramGroupMenu(programGroup6Menu, 80, 95);
                        updateProgramGroupMenu(programGroup7Menu, 96, 111);
                        updateProgramGroupMenu(programGroup8Menu, 112, 127);
                }
                
                private void
                updateProgramGroupMenu(JMenu menu, int prgStart, int prgEnd) {
                        int base = CC.getViewConfig().getFirstMidiProgramNumber();
                        String s = "JSMidiInstrumentTree.ContextMenu.programGroup";
                        String grp = "(" + (base + prgStart) + "-" + (base + prgEnd) + ")";
                        menu.setText(i18n.getMenuLabel(s, grp));
                        
                        updateProgramGroupMenuItems(menu);
                }
                
                private void
                updateProgramGroupMenuItems(JMenu menu) {
                        for(int i = 0; i < menu.getItemCount(); i++) {
                                ((ProgramMenuItem)menu.getItem(i)).updateProgramNumber();
                        }
                }
                
                public void
                mousePressed(MouseEvent e) {
                        if(e.isPopupTrigger()) show(e);
                }
                
                public void
                mouseReleased(MouseEvent e) {
                        if(e.isPopupTrigger()) show(e);
                }
                
                void
                show(MouseEvent e) {
                        if(getSelectionCount() == 0) return;
                        
                        if(getSelectedInstrument() != null) {
                                instrumentMenu.show(e.getComponent(), e.getX(), e.getY());
                        } else {
                                bankMenu.show(e.getComponent(), e.getX(), e.getY());
                        }
                }
                
                private class ProgramMenuItem extends JMenuItem implements ActionListener {
                        int program;
                        
                        ProgramMenuItem(int program) {
                                this.program = program;
                                updateProgramNumber();
                                addActionListener(this);
                        }
                        
                        public void
                        updateProgramNumber() {
                                int base = CC.getViewConfig().getFirstMidiProgramNumber();
                                setText(String.valueOf(base + program));
                        }
                        
                        public void
                        actionPerformed(ActionEvent e) {
                                moveSelectedInstrument(program);
                        }
                }
        }
}
        
class JSOverrideInstrumentsConfirmDlg extends OkCancelDialog {
        private final JLabel lMsg = new JLabel(i18n.getMessage("JSOverrideInstrumentsConfirmDlg.lMsg"));
        private final JTable table;
        
        JSOverrideInstrumentsConfirmDlg(String[] instrumentNames) {
                super(CC.getMainFrame());
                
                JPanel mainPane = new JPanel();
                mainPane.setLayout(new BoxLayout(mainPane, BoxLayout.Y_AXIS));
                
                lMsg.setIcon(CC.getViewConfig().getBasicIconSet().getWarning32Icon());
                lMsg.setAlignmentX(LEFT_ALIGNMENT);
                mainPane.add(lMsg);
                
                mainPane.add(Box.createRigidArea(new Dimension(0, 12)));
                
                String[][] instrs = new String[instrumentNames.length][1];
                for(int i = 0; i < instrumentNames.length; i++) {
                        instrs[i][0] = instrumentNames[i];
                }
                
                String[] columns = new String[1];
                columns[0] = "";
                
                table = new JTable(instrs, columns);
                JScrollPane sp = new JScrollPane(table);
                Dimension d = new Dimension(200, 200);
                sp.setMinimumSize(d);
                sp.setPreferredSize(d);
                sp.setAlignmentX(LEFT_ALIGNMENT);
                mainPane.add(sp);
                
                setMainPane(mainPane);
                setMinimumSize(getPreferredSize());
                setResizable(true);
        }
        
        protected void
        onOk() {
                if(!btnOk.isEnabled()) return;
                
                setVisible(false);
                setCancelled(false);
        }
        
        protected void
        onCancel() { setVisible(false); }
}