view/fantasia/PianoKeyboardPane.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.fantasia;

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Dimension;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Paint;
import java.awt.RenderingHints;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;

import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;

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

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JToggleButton;

import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import net.sf.juife.event.TaskEvent;
import net.sf.juife.event.TaskListener;

import org.jsampler.CC;
import org.jsampler.SamplerChannelModel;

import org.jsampler.event.SamplerChannelAdapter;
import org.jsampler.event.SamplerChannelEvent;
import org.jsampler.event.SamplerChannelListListener;
import org.jsampler.event.SamplerChannelListEvent;

import org.jsampler.view.JSChannel;
import org.jsampler.view.fantasia.basic.*;
import org.jsampler.view.std.JSPianoRoll;

import org.linuxsampler.lscp.Instrument;
import org.linuxsampler.lscp.SamplerChannel;

import org.linuxsampler.lscp.event.MidiDataEvent;
import org.linuxsampler.lscp.event.MidiDataListener;

import static javax.swing.Action.SMALL_ICON;
import static org.jsampler.task.Global.GetFileInstrument;
import static org.jsampler.view.fantasia.FantasiaI18n.i18n;

/**
 *
 * @author Grigor Iliev
 */
public class PianoKeyboardPane extends FantasiaPanel
                               implements ListSelectionListener, SamplerChannelListListener {
        
        protected final JToggleButton btnPower = new PowerButton();
        private final FantasiaLabel lDisplay = new FantasiaLabel(" ", true);
        //private final PitchWheel pitchWheel = new PitchWheel();
        //private final ModWheel modWheel = new ModWheel();
        private final JSPianoRoll pianoRoll = new JSPianoRoll();
        private SamplerChannelModel channel = null;
        
        private String file = null;
        private int index = -1;
        
        public
        PianoKeyboardPane() {
                pianoRoll.actionDecreaseKeyNumber.putValue(SMALL_ICON, Res.gfxBtnDecrease);
                pianoRoll.actionIncreaseKeyNumber.putValue(SMALL_ICON, Res.gfxBtnIncrease);
                pianoRoll.actionScrollLeft.putValue(SMALL_ICON, Res.gfxBtnScrollLeft);
                pianoRoll.actionScrollRight.putValue(SMALL_ICON, Res.gfxBtnScrollRight);
                
                setOpaque(false);
                
                GridBagLayout gridbag = new GridBagLayout();
                GridBagConstraints c = new GridBagConstraints();
                
                setLayout(gridbag);
                
                setBorder(BorderFactory.createEmptyBorder(0, 3, 5, 3));
                
                c.fill = GridBagConstraints.NONE;
                
                c.gridx = 0;
                c.gridy = 0;
                c.anchor = GridBagConstraints.NORTHWEST;
                c.insets = new Insets(3, 3, 3, 3);
                gridbag.setConstraints(btnPower, c);
                add(btnPower);
                
                JPanel p = createVSeparator();
                c.gridx = 1;
                c.gridy = 0;
                c.gridheight = 2;
                c.insets = new Insets(3, 0, 5, 3);
                c.fill = GridBagConstraints.VERTICAL;
                c.weighty = 1.0;
                gridbag.setConstraints(p, c);
                add(p);
                
                /*c.gridx = 2;
                c.gridy = 1;
                c.gridheight = 1;
                c.insets = new Insets(0, 3, 5, 3);
                c.anchor = GridBagConstraints.CENTER;
                gridbag.setConstraints(pitchWheel, c);
                add(pitchWheel);
                
                c.gridx = 3;
                c.gridy = 1;
                c.insets = new Insets(0, 0, 5, 6);
                gridbag.setConstraints(modWheel, c);
                add(modWheel);*/
                
                p = new KeyRangePropsPane();
                
                c.gridx = 2;
                c.gridy = 0;
                c.gridwidth = 3;
                c.gridheight = 1;
                c.insets = new Insets(0, 0, 0, 0);
                c.fill = GridBagConstraints.NONE;
                c.weighty = 0.0;
                c.anchor = GridBagConstraints.WEST;
                gridbag.setConstraints(p, c);
                add(p);
                
                p = new KeyRangePropsPane();
                
                c.gridx = 8;
                c.gridy = 0;
                c.gridwidth = 1;
                c.anchor = GridBagConstraints.EAST;
                c.insets = new Insets(0, 0, 0, 10);
                gridbag.setConstraints(p, c);
                add(p);
                
                lDisplay.setPreferredSize(new Dimension(300, lDisplay.getPreferredSize().height));
                
                c.gridx = 6;
                c.gridy = 0;
                c.insets = new Insets(3, 3, 3, 12);
                c.fill = GridBagConstraints.NONE;
                c.weightx = 0.0;
                gridbag.setConstraints(lDisplay, c);
                add(lDisplay);
                
                p = new JPanel();
                p.setOpaque(false);
                c.gridx = 5;
                c.gridy = 0;
                c.insets = new Insets(0, 0, 0, 0);
                c.fill = GridBagConstraints.HORIZONTAL;
                c.weightx = 1.0;
                gridbag.setConstraints(p, c);
                add(p);
                
                p = new JPanel();
                p.setOpaque(false);
                c.gridx = 7;
                c.gridy = 0;
                gridbag.setConstraints(p, c);
                add(p);
                
                pianoRoll.setFocusable(false);
                pianoRoll.setBackground(new Color(0x2e2e2e));
                //pianoRoll.setOpaque(false);
                
                disablePianoRoll();
                
                c.gridx = 4;
                c.gridy = 1;
                c.gridwidth = 5;
                c.insets = new Insets(0, 3, 0, 12);
                c.fill = GridBagConstraints.BOTH;
                c.weightx = 1.0;
                c.weighty = 1.0;
                gridbag.setConstraints(pianoRoll, c);
                add(pianoRoll);
                
                CC.getSamplerModel().addSamplerChannelListListener(this);
                pianoRoll.addMidiDataListener(getHandler());
                
                updateKeyRange();
                
                PropertyChangeListener l = new PropertyChangeListener() {
                        public void
                        propertyChange(PropertyChangeEvent e) {
                                updateKeyRange();
                        }
                };
                
                CC.preferences().addPropertyChangeListener("midiKeyboard.firstKey", l);
                CC.preferences().addPropertyChangeListener("midiKeyboard.lastKey", l);
                
                addFocusListener(getHandler());
                
                MouseAdapter l2 = new MouseAdapter() {
                        public void
                        mouseClicked(MouseEvent e) { requestFocusInWindow(); }
                };
                
                addKeyListener(pianoRoll.getKeyListener());
                pianoRoll.registerKeys(this);
                
                addMouseListener(l2);
                pianoRoll.addMouseListener(l2);
                lDisplay.addMouseListener(l2);
        }
        
        public JSPianoRoll
        getPianoRoll() { return pianoRoll; }
        
        private void
        updateKeyRange() {
                int firstKey = CC.preferences().getIntProperty("midiKeyboard.firstKey");
                int lastKey = CC.preferences().getIntProperty("midiKeyboard.lastKey");
                pianoRoll.setKeyRange(firstKey, lastKey);
        }
        
        @Override public void
        valueChanged(ListSelectionEvent e) {
                if(e.getValueIsAdjusting()) return;
                
                JSChannel[] chnS = CC.getMainFrame().getSelectedChannelsPane().getSelectedChannels();
                if(chnS == null || chnS.length == 0) {
                        disconnectChannel();
                        return;
                }
                
                if(chnS[0].getModel() == channel) return;
                disconnectChannel();
                connectChannel(chnS[0].getModel());
        }
        
        private void
        updateInstrumentInfo() {
                final GetFileInstrument i = new GetFileInstrument(file, index);
                
                i.addTaskListener(new TaskListener() {
                        public void
                        taskPerformed(TaskEvent e) {
                                if(i.doneWithErrors()) return;
                                updatePianoKeyboard(i.getResult());
                        }
                });
                
                CC.getTaskQueue().add(i);
        }
        
        private void
        disablePianoRoll() {
                pianoRoll.reset(true);
                pianoRoll.setPlayingEnabled(false);
        }
        
        private void
        updatePianoKeyboard(Instrument instr) {
                // The selected channel may have changed before this update
                // due to concurency, so also checking whether file is null
                if(instr == null || file == null) {
                        disablePianoRoll();
                        return;
                }
                
                pianoRoll.setPlayingEnabled(true);
                
                pianoRoll.setShouldRepaint(false);
                pianoRoll.reset(true);
                pianoRoll.setDisabled(instr.getKeyMapping(), false);
                pianoRoll.setKeyswitches(instr.getKeyswitchMapping(), true);
                pianoRoll.setShouldRepaint(true);
                pianoRoll.repaint();
        }
        
        private void
        connectChannel(SamplerChannelModel chn) {
                channel = chn;
                channel.addMidiDataListener(pianoRoll);
                channel.addSamplerChannelListener(getHandler());
                
                updateDisplay();
                
                file = channel.getChannelInfo().getInstrumentFile();
                if(file == null) {
                        disablePianoRoll();
                        return;
                }
                index = channel.getChannelInfo().getInstrumentIndex();
                updateInstrumentInfo();
        }
        
        private void
        disconnectChannel() {
                if(channel != null) {
                        channel.removeMidiDataListener(pianoRoll);
                        channel.removeSamplerChannelListener(getHandler());
                        channel = null;
                        file = null;
                        index = -1;
                        disablePianoRoll();
                }
                
                updateDisplay();
        }
        
        @Override public void
        channelAdded(SamplerChannelListEvent e) {
                if(CC.getSamplerModel().getChannelListIsAdjusting()) return;
                updateDisplay();
        }
        
        @Override public void
        channelRemoved(SamplerChannelListEvent e) {
                if(e.getChannelModel() == channel) {
                        disconnectChannel();
                }
                
                updateDisplay();
        }
        
        private JPanel
        createVSeparator() {
                PixmapPane p = new PixmapPane(Res.gfxVLine);
                p.setAlignmentY(JPanel.TOP_ALIGNMENT);
                p.setMinimumSize(new Dimension(2, 30));
                p.setPreferredSize(new Dimension(2, 60));
                p.setMaximumSize(new Dimension(2, Short.MAX_VALUE));
                return p;
        }
        
        private Color color1 = new Color(0x7a7a7a);
        private Color color2 = new Color(0x5e5e5e);
        private Color color3 = new Color(0x2e2e2e);
        
        @Override
        public void
        paintComponent(Graphics g) {
                Graphics2D g2 = (Graphics2D)g;
                
                Paint oldPaint = g2.getPaint();
                Composite oldComposite = g2.getComposite();
                
                Insets insets = this.getInsets();
                double x1 = insets.left;
                double y1 = insets.top;
                
                double w = getSize().getWidth();
                double x2 = w - insets.right - 1;
                double h = getSize().getHeight();
                double y2 = h - insets.bottom - 1;
                
                FantasiaPainter.paintGradient(g2, x1, y1, x2, y2 - 10, color1, color2);
                
                g2.setRenderingHint (
                        RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF
                );
                
                double y3 = y2 - 10;
                if(y3 < 0) y3 = 0;
                
                Rectangle2D.Double rect = new Rectangle2D.Double(x1, y3, x2 - x1 + 1, 11);
                
                GradientPaint gr = new GradientPaint (
                        0.0f, (float)y3, color2,
                        0.0f, (float)h, color3
                );
                
                g2.setPaint(gr);
                g2.fill(rect);
                
                drawOutBorder(g2, x1, y1, x2, y2);
                
                double prX = pianoRoll.getLocation().getX();
                double prY = pianoRoll.getLocation().getY();
                drawInBorder (
                        g2, prX - 2, prY - 2,
                        prX + pianoRoll.getSize().getWidth() + 1, prY + pianoRoll.getSize().getHeight() - 3
                );
                
                g2.setPaint(oldPaint);
                g2.setComposite(oldComposite);
        }
        
        private void
        drawOutBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
                AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
                g2.setComposite(ac);
                
                g2.setPaint(Color.WHITE);
                Line2D.Double l = new Line2D.Double(x1, y1, x2, y1);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.20f));
                l = new Line2D.Double(x1, y1 + 1, x2, y1 + 1);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.255f));
                
                l = new Line2D.Double(x1, y1, x1, y2);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.40f));
                g2.setPaint(Color.BLACK);
                
                //l = new Line2D.Double(x1, y2, x2, y2);
                //g2.draw(l);
                
                g2.setComposite(ac.derive(0.20f));
                
                l = new Line2D.Double(x2, y1, x2, y2);
                g2.draw(l);
        }
        
        private void
        drawInBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
                AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
                g2.setComposite(ac);
                
                g2.setPaint(Color.WHITE);
                Line2D.Double l = new Line2D.Double(x1, y2, x2, y2);
                //g2.draw(l);
                
                g2.setComposite(ac.derive(0.255f));
                
                l = new Line2D.Double(x2 - 1, y1 + 1, x2 - 1, y2 + 1);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.13f));
                
                l = new Line2D.Double(x2, y1, x2, y2);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.20f));
                g2.setPaint(Color.BLACK);
                
                l = new Line2D.Double(x1, y1, x2, y1);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.40f));
                g2.setPaint(Color.BLACK);
                
                l = new Line2D.Double(x1 + 1, y1 + 1, x2 - 1, y1 + 1);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.20f));
                
                l = new Line2D.Double(x1, y1, x1, y2);
                g2.draw(l);
                
                g2.setComposite(ac.derive(0.40f));
                
                l = new Line2D.Double(x1 + 1, y1 + 1, x1 + 1, y2 + 1);
                g2.draw(l);
        }
        
        private void
        updateDisplay() {
                // TODO: called too often?
                if(channel == null) {
                        lDisplay.setText(i18n.getLabel("PianoKeyboardPane.noChannel"));
                        return;
                }
                
                SamplerChannel sc = channel.getChannelInfo();
                String s = CC.getMainFrame().getChannelPath(channel);
                
                StringBuffer sb = new StringBuffer();
                sb.append(i18n.getLabel("PianoKeyboardPane.channel", s)).append(" - ");
                
                int status = sc.getInstrumentStatus();
                if(status >= 0 && status < 100) {
                        sb.append(i18n.getLabel("ChannelScreen.loadingInstrument", status));
                } else if(status == -1) {
                        sb.append(i18n.getLabel("PianoKeyboardPane.noInstrument"));
                } else if(status < -1) {
                         sb.append(i18n.getLabel("ChannelScreen.errorLoadingInstrument"));
                } else {
                        if(sc.getInstrumentName() != null) sb.append(sc.getInstrumentName());
                }
                
                lDisplay.setText(sb.toString());
        }
        
        
        class KeyRangePropsPane extends JPanel {
                private final JButton btnIncrease =
                        new PixmapButton(pianoRoll.actionIncreaseKeyNumber, Res.gfxBtnIncrease);
                
                private final JButton btnDecrease =
                        new PixmapButton(pianoRoll.actionDecreaseKeyNumber, Res.gfxBtnDecrease);
                
                private final JButton btnScrollLeft =
                        new PixmapButton(pianoRoll.actionScrollLeft, Res.gfxBtnScrollLeft);
                
                private final JButton btnScrollRight =
                        new PixmapButton(pianoRoll.actionScrollRight, Res.gfxBtnScrollRight);
                
                KeyRangePropsPane() {
                        setOpaque(false);
                        setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
                        
                        btnIncrease.setFocusable(false);
                        btnDecrease.setFocusable(false);
                        btnScrollLeft.setFocusable(false);
                        btnScrollRight.setFocusable(false);
                        
                        
                        btnDecrease.setPressedIcon(Res.gfxBtnDecreaseRO);
                        add(btnDecrease);
                        
                        btnIncrease.setPressedIcon(Res.gfxBtnIncreaseRO);
                        add(btnIncrease);
                        
                        add(Box.createRigidArea(new Dimension(6, 0)));
                        
                        btnScrollLeft.setPressedIcon(Res.gfxBtnScrollLeftRO);
                        add(btnScrollLeft);
                        
                        btnScrollRight.setPressedIcon(Res.gfxBtnScrollRightRO);
                        add(btnScrollRight);
                }
        }
        
        
        public static class PowerButton extends PixmapToggleButton implements ActionListener {
                PowerButton() {
                        this(Res.gfxPowerOff, Res.gfxPowerOn);
                }
                
                PowerButton(ImageIcon defaultIcon, ImageIcon selectedIcon) {
                        super(defaultIcon, selectedIcon);
                        
                        setSelected(true);
                        addActionListener(this);
                }
                
                @Override
                public void
                actionPerformed(ActionEvent e) {
                        boolean b = isSelected();
                        MainFrame frm = (MainFrame)CC.getMainFrame();
                        if(frm == null) return;
                        frm.setMidiKeyboardVisible(b);
                }
                
                @Override
                public boolean
                contains(int x, int y) { return (x - 11)*(x - 11) + (y - 11)*(y - 11) < 71; }
        }
        
        private final Handler handler = new Handler();
        
        private Handler
        getHandler() { return handler; }
        
        private class Handler extends SamplerChannelAdapter implements FocusListener, MidiDataListener {
                @Override
                public void
                midiDataArrived(MidiDataEvent e) {
                        if(channel == null) return;
                        channel.sendBackendMidiData(e);
                }
                
                @Override
                public void
                channelChanged(SamplerChannelEvent e) {
                        updateDisplay();
                        
                        String newFile = channel.getChannelInfo().getInstrumentFile();
                        int newIndex = channel.getChannelInfo().getInstrumentIndex();
                        
                        if(channel.getChannelInfo().getInstrumentStatus() != 100) {
                                //don't use disablePianoRoll because of unnecessary repainting
                                pianoRoll.setAllKeysPressed(false);
                                pianoRoll.removeAllKeyswitches();
                                pianoRoll.setAllKeysDisabled(true);
                                pianoRoll.setPlayingEnabled(false);
                                return;
                        }
                        
                        if(newFile == null) {
                                if(file != null) disablePianoRoll();
                                file = null;
                                index = -1;
                                return;
                        }
                        
                        if(newFile.equals(file) && newIndex == index) return;
                        
                        file = newFile;
                        index = newIndex;
                        updateInstrumentInfo();
                }
                
                @Override
                public void
                focusGained(FocusEvent e) {
                        
                }
                
                @Override
                public void
                focusLost(FocusEvent e) {
                        
                }
        }
}
1	iliev	1776	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4			* Copyright (C) 2005-2008 Grigor Iliev <grigor@grigoriliev.com>
5			*
6			* This file is part of JSampler.
7			*
8			* JSampler is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License version 2
10			* as published by the Free Software Foundation.
11			*
12			* JSampler is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with JSampler; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20			* MA 02111-1307 USA
21			*/
22
23			package org.jsampler.view.fantasia;
24
25	iliev	1778	import java.awt.AlphaComposite;
26			import java.awt.Color;
27			import java.awt.Composite;
28			import java.awt.Dimension;
29			import java.awt.GradientPaint;
30			import java.awt.Graphics;
31			import java.awt.Graphics2D;
32			import java.awt.GridBagConstraints;
33			import java.awt.GridBagLayout;
34	iliev	1776	import java.awt.Insets;
35	iliev	1778	import java.awt.Paint;
36			import java.awt.RenderingHints;
37	iliev	1776
38	iliev	1778	import java.awt.event.ActionEvent;
39			import java.awt.event.ActionListener;
40			import java.awt.event.FocusEvent;
41			import java.awt.event.FocusListener;
42			import java.awt.event.MouseEvent;
43			import java.awt.event.MouseAdapter;
44
45			import java.awt.geom.Line2D;
46			import java.awt.geom.Rectangle2D;
47
48	iliev	1776	import java.beans.PropertyChangeEvent;
49			import java.beans.PropertyChangeListener;
50
51			import javax.swing.BorderFactory;
52	iliev	1778	import javax.swing.Box;
53			import javax.swing.BoxLayout;
54			import javax.swing.ImageIcon;
55			import javax.swing.JButton;
56			import javax.swing.JPanel;
57			import javax.swing.JToggleButton;
58	iliev	1776
59			import javax.swing.event.ListSelectionEvent;
60			import javax.swing.event.ListSelectionListener;
61
62			import net.sf.juife.event.TaskEvent;
63			import net.sf.juife.event.TaskListener;
64
65			import org.jsampler.CC;
66			import org.jsampler.SamplerChannelModel;
67
68			import org.jsampler.event.SamplerChannelAdapter;
69			import org.jsampler.event.SamplerChannelEvent;
70			import org.jsampler.event.SamplerChannelListListener;
71			import org.jsampler.event.SamplerChannelListEvent;
72
73			import org.jsampler.view.JSChannel;
74	iliev	1785	import org.jsampler.view.fantasia.basic.*;
75	iliev	1776	import org.jsampler.view.std.JSPianoRoll;
76
77			import org.linuxsampler.lscp.Instrument;
78	iliev	1778	import org.linuxsampler.lscp.SamplerChannel;
79	iliev	1776
80			import org.linuxsampler.lscp.event.MidiDataEvent;
81			import org.linuxsampler.lscp.event.MidiDataListener;
82
83	iliev	1778	import static javax.swing.Action.SMALL_ICON;
84	iliev	1776	import static org.jsampler.task.Global.GetFileInstrument;
85	iliev	1778	import static org.jsampler.view.fantasia.FantasiaI18n.i18n;
86	iliev	1776
87			/**
88			*
89			* @author Grigor Iliev
90			*/
91	iliev	1778	public class PianoKeyboardPane extends FantasiaPanel
92	iliev	1776	implements ListSelectionListener, SamplerChannelListListener {
93
94	iliev	1778	protected final JToggleButton btnPower = new PowerButton();
95			private final FantasiaLabel lDisplay = new FantasiaLabel(" ", true);
96	iliev	1818	//private final PitchWheel pitchWheel = new PitchWheel();
97			//private final ModWheel modWheel = new ModWheel();
98	iliev	1776	private final JSPianoRoll pianoRoll = new JSPianoRoll();
99			private SamplerChannelModel channel = null;
100
101			private String file = null;
102			private int index = -1;
103
104			public
105			PianoKeyboardPane() {
106	iliev	1778	pianoRoll.actionDecreaseKeyNumber.putValue(SMALL_ICON, Res.gfxBtnDecrease);
107			pianoRoll.actionIncreaseKeyNumber.putValue(SMALL_ICON, Res.gfxBtnIncrease);
108			pianoRoll.actionScrollLeft.putValue(SMALL_ICON, Res.gfxBtnScrollLeft);
109			pianoRoll.actionScrollRight.putValue(SMALL_ICON, Res.gfxBtnScrollRight);
110
111	iliev	1776	setOpaque(false);
112
113	iliev	1778	GridBagLayout gridbag = new GridBagLayout();
114			GridBagConstraints c = new GridBagConstraints();
115	iliev	1776
116	iliev	1778	setLayout(gridbag);
117	iliev	1776
118	iliev	1778	setBorder(BorderFactory.createEmptyBorder(0, 3, 5, 3));
119
120			c.fill = GridBagConstraints.NONE;
121
122			c.gridx = 0;
123			c.gridy = 0;
124			c.anchor = GridBagConstraints.NORTHWEST;
125			c.insets = new Insets(3, 3, 3, 3);
126			gridbag.setConstraints(btnPower, c);
127			add(btnPower);
128
129			JPanel p = createVSeparator();
130			c.gridx = 1;
131			c.gridy = 0;
132			c.gridheight = 2;
133			c.insets = new Insets(3, 0, 5, 3);
134			c.fill = GridBagConstraints.VERTICAL;
135			c.weighty = 1.0;
136			gridbag.setConstraints(p, c);
137			add(p);
138
139	iliev	1818	/*c.gridx = 2;
140			c.gridy = 1;
141			c.gridheight = 1;
142			c.insets = new Insets(0, 3, 5, 3);
143			c.anchor = GridBagConstraints.CENTER;
144			gridbag.setConstraints(pitchWheel, c);
145			add(pitchWheel);
146
147			c.gridx = 3;
148			c.gridy = 1;
149			c.insets = new Insets(0, 0, 5, 6);
150			gridbag.setConstraints(modWheel, c);
151			add(modWheel);*/
152
153	iliev	1778	p = new KeyRangePropsPane();
154
155			c.gridx = 2;
156			c.gridy = 0;
157	iliev	1818	c.gridwidth = 3;
158	iliev	1778	c.gridheight = 1;
159			c.insets = new Insets(0, 0, 0, 0);
160			c.fill = GridBagConstraints.NONE;
161			c.weighty = 0.0;
162			c.anchor = GridBagConstraints.WEST;
163			gridbag.setConstraints(p, c);
164			add(p);
165
166			p = new KeyRangePropsPane();
167
168	iliev	1818	c.gridx = 8;
169	iliev	1778	c.gridy = 0;
170	iliev	1818	c.gridwidth = 1;
171	iliev	1778	c.anchor = GridBagConstraints.EAST;
172			c.insets = new Insets(0, 0, 0, 10);
173			gridbag.setConstraints(p, c);
174			add(p);
175
176			lDisplay.setPreferredSize(new Dimension(300, lDisplay.getPreferredSize().height));
177
178	iliev	1818	c.gridx = 6;
179	iliev	1778	c.gridy = 0;
180			c.insets = new Insets(3, 3, 3, 12);
181			c.fill = GridBagConstraints.NONE;
182			c.weightx = 0.0;
183			gridbag.setConstraints(lDisplay, c);
184			add(lDisplay);
185
186			p = new JPanel();
187			p.setOpaque(false);
188	iliev	1818	c.gridx = 5;
189	iliev	1778	c.gridy = 0;
190			c.insets = new Insets(0, 0, 0, 0);
191			c.fill = GridBagConstraints.HORIZONTAL;
192			c.weightx = 1.0;
193			gridbag.setConstraints(p, c);
194			add(p);
195
196			p = new JPanel();
197			p.setOpaque(false);
198	iliev	1818	c.gridx = 7;
199	iliev	1778	c.gridy = 0;
200			gridbag.setConstraints(p, c);
201			add(p);
202
203			pianoRoll.setFocusable(false);
204			pianoRoll.setBackground(new Color(0x2e2e2e));
205			//pianoRoll.setOpaque(false);
206
207	iliev	1776	disablePianoRoll();
208
209	iliev	1818	c.gridx = 4;
210	iliev	1778	c.gridy = 1;
211			c.gridwidth = 5;
212			c.insets = new Insets(0, 3, 0, 12);
213			c.fill = GridBagConstraints.BOTH;
214			c.weightx = 1.0;
215			c.weighty = 1.0;
216			gridbag.setConstraints(pianoRoll, c);
217			add(pianoRoll);
218
219	iliev	1776	CC.getSamplerModel().addSamplerChannelListListener(this);
220			pianoRoll.addMidiDataListener(getHandler());
221
222			updateKeyRange();
223
224			PropertyChangeListener l = new PropertyChangeListener() {
225			public void
226			propertyChange(PropertyChangeEvent e) {
227			updateKeyRange();
228			}
229			};
230
231			CC.preferences().addPropertyChangeListener("midiKeyboard.firstKey", l);
232			CC.preferences().addPropertyChangeListener("midiKeyboard.lastKey", l);
233	iliev	1778
234			addFocusListener(getHandler());
235
236			MouseAdapter l2 = new MouseAdapter() {
237			public void
238			mouseClicked(MouseEvent e) { requestFocusInWindow(); }
239			};
240
241			addKeyListener(pianoRoll.getKeyListener());
242			pianoRoll.registerKeys(this);
243
244			addMouseListener(l2);
245			pianoRoll.addMouseListener(l2);
246			lDisplay.addMouseListener(l2);
247	iliev	1776	}
248
249			public JSPianoRoll
250			getPianoRoll() { return pianoRoll; }
251
252			private void
253			updateKeyRange() {
254			int firstKey = CC.preferences().getIntProperty("midiKeyboard.firstKey");
255			int lastKey = CC.preferences().getIntProperty("midiKeyboard.lastKey");
256			pianoRoll.setKeyRange(firstKey, lastKey);
257			}
258
259			@Override public void
260			valueChanged(ListSelectionEvent e) {
261			if(e.getValueIsAdjusting()) return;
262
263	iliev	1785	JSChannel[] chnS = CC.getMainFrame().getSelectedChannelsPane().getSelectedChannels();
264	iliev	1776	if(chnS == null \|\| chnS.length == 0) {
265			disconnectChannel();
266			return;
267			}
268
269			if(chnS[0].getModel() == channel) return;
270			disconnectChannel();
271			connectChannel(chnS[0].getModel());
272			}
273
274			private void
275			updateInstrumentInfo() {
276			final GetFileInstrument i = new GetFileInstrument(file, index);
277
278			i.addTaskListener(new TaskListener() {
279			public void
280			taskPerformed(TaskEvent e) {
281			if(i.doneWithErrors()) return;
282			updatePianoKeyboard(i.getResult());
283			}
284			});
285
286			CC.getTaskQueue().add(i);
287			}
288
289			private void
290			disablePianoRoll() {
291			pianoRoll.reset(true);
292			pianoRoll.setPlayingEnabled(false);
293			}
294
295			private void
296			updatePianoKeyboard(Instrument instr) {
297			// The selected channel may have changed before this update
298			// due to concurency, so also checking whether file is null
299			if(instr == null \|\| file == null) {
300			disablePianoRoll();
301			return;
302			}
303
304			pianoRoll.setPlayingEnabled(true);
305
306			pianoRoll.setShouldRepaint(false);
307			pianoRoll.reset(true);
308			pianoRoll.setDisabled(instr.getKeyMapping(), false);
309			pianoRoll.setKeyswitches(instr.getKeyswitchMapping(), true);
310			pianoRoll.setShouldRepaint(true);
311			pianoRoll.repaint();
312			}
313
314			private void
315			connectChannel(SamplerChannelModel chn) {
316			channel = chn;
317			channel.addMidiDataListener(pianoRoll);
318			channel.addSamplerChannelListener(getHandler());
319
320	iliev	1778	updateDisplay();
321
322	iliev	1776	file = channel.getChannelInfo().getInstrumentFile();
323			if(file == null) {
324			disablePianoRoll();
325			return;
326			}
327			index = channel.getChannelInfo().getInstrumentIndex();
328			updateInstrumentInfo();
329			}
330
331			private void
332			disconnectChannel() {
333			if(channel != null) {
334			channel.removeMidiDataListener(pianoRoll);
335			channel.removeSamplerChannelListener(getHandler());
336			channel = null;
337			file = null;
338			index = -1;
339			disablePianoRoll();
340			}
341	iliev	1778
342			updateDisplay();
343	iliev	1776	}
344
345			@Override public void
346	iliev	1778	channelAdded(SamplerChannelListEvent e) {
347	iliev	1880	if(CC.getSamplerModel().getChannelListIsAdjusting()) return;
348	iliev	1778	updateDisplay();
349			}
350	iliev	1776
351			@Override public void
352			channelRemoved(SamplerChannelListEvent e) {
353			if(e.getChannelModel() == channel) {
354			disconnectChannel();
355			}
356	iliev	1778
357			updateDisplay();
358	iliev	1776	}
359
360	iliev	1778	private JPanel
361			createVSeparator() {
362			PixmapPane p = new PixmapPane(Res.gfxVLine);
363			p.setAlignmentY(JPanel.TOP_ALIGNMENT);
364	iliev	1818	p.setMinimumSize(new Dimension(2, 30));
365	iliev	1778	p.setPreferredSize(new Dimension(2, 60));
366			p.setMaximumSize(new Dimension(2, Short.MAX_VALUE));
367			return p;
368			}
369
370			private Color color1 = new Color(0x7a7a7a);
371			private Color color2 = new Color(0x5e5e5e);
372			private Color color3 = new Color(0x2e2e2e);
373
374			@Override
375			public void
376			paintComponent(Graphics g) {
377			Graphics2D g2 = (Graphics2D)g;
378
379			Paint oldPaint = g2.getPaint();
380			Composite oldComposite = g2.getComposite();
381
382			Insets insets = this.getInsets();
383			double x1 = insets.left;
384			double y1 = insets.top;
385
386			double w = getSize().getWidth();
387			double x2 = w - insets.right - 1;
388			double h = getSize().getHeight();
389			double y2 = h - insets.bottom - 1;
390
391			FantasiaPainter.paintGradient(g2, x1, y1, x2, y2 - 10, color1, color2);
392
393			g2.setRenderingHint (
394			RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF
395			);
396
397			double y3 = y2 - 10;
398			if(y3 < 0) y3 = 0;
399
400			Rectangle2D.Double rect = new Rectangle2D.Double(x1, y3, x2 - x1 + 1, 11);
401
402			GradientPaint gr = new GradientPaint (
403			0.0f, (float)y3, color2,
404			0.0f, (float)h, color3
405			);
406
407			g2.setPaint(gr);
408			g2.fill(rect);
409
410			drawOutBorder(g2, x1, y1, x2, y2);
411
412			double prX = pianoRoll.getLocation().getX();
413			double prY = pianoRoll.getLocation().getY();
414			drawInBorder (
415			g2, prX - 2, prY - 2,
416			prX + pianoRoll.getSize().getWidth() + 1, prY + pianoRoll.getSize().getHeight() - 3
417			);
418
419			g2.setPaint(oldPaint);
420			g2.setComposite(oldComposite);
421			}
422
423			private void
424			drawOutBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
425			AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
426			g2.setComposite(ac);
427
428			g2.setPaint(Color.WHITE);
429			Line2D.Double l = new Line2D.Double(x1, y1, x2, y1);
430			g2.draw(l);
431
432			g2.setComposite(ac.derive(0.20f));
433			l = new Line2D.Double(x1, y1 + 1, x2, y1 + 1);
434			g2.draw(l);
435
436			g2.setComposite(ac.derive(0.255f));
437
438			l = new Line2D.Double(x1, y1, x1, y2);
439			g2.draw(l);
440
441			g2.setComposite(ac.derive(0.40f));
442			g2.setPaint(Color.BLACK);
443
444			//l = new Line2D.Double(x1, y2, x2, y2);
445			//g2.draw(l);
446
447			g2.setComposite(ac.derive(0.20f));
448
449			l = new Line2D.Double(x2, y1, x2, y2);
450			g2.draw(l);
451			}
452
453			private void
454			drawInBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
455			AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
456			g2.setComposite(ac);
457
458			g2.setPaint(Color.WHITE);
459			Line2D.Double l = new Line2D.Double(x1, y2, x2, y2);
460			//g2.draw(l);
461
462			g2.setComposite(ac.derive(0.255f));
463
464			l = new Line2D.Double(x2 - 1, y1 + 1, x2 - 1, y2 + 1);
465			g2.draw(l);
466
467			g2.setComposite(ac.derive(0.13f));
468
469			l = new Line2D.Double(x2, y1, x2, y2);
470			g2.draw(l);
471
472			g2.setComposite(ac.derive(0.20f));
473			g2.setPaint(Color.BLACK);
474
475			l = new Line2D.Double(x1, y1, x2, y1);
476			g2.draw(l);
477
478			g2.setComposite(ac.derive(0.40f));
479			g2.setPaint(Color.BLACK);
480
481			l = new Line2D.Double(x1 + 1, y1 + 1, x2 - 1, y1 + 1);
482			g2.draw(l);
483
484			g2.setComposite(ac.derive(0.20f));
485
486			l = new Line2D.Double(x1, y1, x1, y2);
487			g2.draw(l);
488
489			g2.setComposite(ac.derive(0.40f));
490
491			l = new Line2D.Double(x1 + 1, y1 + 1, x1 + 1, y2 + 1);
492			g2.draw(l);
493			}
494
495			private void
496			updateDisplay() {
497			// TODO: called too often?
498			if(channel == null) {
499			lDisplay.setText(i18n.getLabel("PianoKeyboardPane.noChannel"));
500			return;
501			}
502
503			SamplerChannel sc = channel.getChannelInfo();
504	iliev	1785	String s = CC.getMainFrame().getChannelPath(channel);
505	iliev	1778
506			StringBuffer sb = new StringBuffer();
507	iliev	1785	sb.append(i18n.getLabel("PianoKeyboardPane.channel", s)).append(" - ");
508	iliev	1778
509			int status = sc.getInstrumentStatus();
510			if(status >= 0 && status < 100) {
511			sb.append(i18n.getLabel("ChannelScreen.loadingInstrument", status));
512			} else if(status == -1) {
513			sb.append(i18n.getLabel("PianoKeyboardPane.noInstrument"));
514			} else if(status < -1) {
515			sb.append(i18n.getLabel("ChannelScreen.errorLoadingInstrument"));
516			} else {
517			if(sc.getInstrumentName() != null) sb.append(sc.getInstrumentName());
518			}
519
520			lDisplay.setText(sb.toString());
521			}
522
523
524			class KeyRangePropsPane extends JPanel {
525			private final JButton btnIncrease =
526			new PixmapButton(pianoRoll.actionIncreaseKeyNumber, Res.gfxBtnIncrease);
527
528			private final JButton btnDecrease =
529			new PixmapButton(pianoRoll.actionDecreaseKeyNumber, Res.gfxBtnDecrease);
530
531			private final JButton btnScrollLeft =
532			new PixmapButton(pianoRoll.actionScrollLeft, Res.gfxBtnScrollLeft);
533
534			private final JButton btnScrollRight =
535			new PixmapButton(pianoRoll.actionScrollRight, Res.gfxBtnScrollRight);
536
537			KeyRangePropsPane() {
538			setOpaque(false);
539			setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
540
541			btnIncrease.setFocusable(false);
542			btnDecrease.setFocusable(false);
543			btnScrollLeft.setFocusable(false);
544			btnScrollRight.setFocusable(false);
545
546
547			btnDecrease.setPressedIcon(Res.gfxBtnDecreaseRO);
548			add(btnDecrease);
549
550			btnIncrease.setPressedIcon(Res.gfxBtnIncreaseRO);
551			add(btnIncrease);
552
553			add(Box.createRigidArea(new Dimension(6, 0)));
554
555			btnScrollLeft.setPressedIcon(Res.gfxBtnScrollLeftRO);
556			add(btnScrollLeft);
557
558			btnScrollRight.setPressedIcon(Res.gfxBtnScrollRightRO);
559			add(btnScrollRight);
560			}
561			}
562
563
564			public static class PowerButton extends PixmapToggleButton implements ActionListener {
565			PowerButton() {
566			this(Res.gfxPowerOff, Res.gfxPowerOn);
567			}
568
569			PowerButton(ImageIcon defaultIcon, ImageIcon selectedIcon) {
570			super(defaultIcon, selectedIcon);
571
572			setSelected(true);
573			addActionListener(this);
574			}
575
576			@Override
577			public void
578			actionPerformed(ActionEvent e) {
579			boolean b = isSelected();
580			MainFrame frm = (MainFrame)CC.getMainFrame();
581			if(frm == null) return;
582			frm.setMidiKeyboardVisible(b);
583			}
584
585			@Override
586			public boolean
587			contains(int x, int y) { return (x - 11)(x - 11) + (y - 11)(y - 11) < 71; }
588			}
589
590	iliev	1776	private final Handler handler = new Handler();
591
592			private Handler
593			getHandler() { return handler; }
594
595	iliev	1778	private class Handler extends SamplerChannelAdapter implements FocusListener, MidiDataListener {
596			@Override
597	iliev	1776	public void
598			midiDataArrived(MidiDataEvent e) {
599			if(channel == null) return;
600			channel.sendBackendMidiData(e);
601			}
602
603	iliev	1778	@Override
604	iliev	1776	public void
605			channelChanged(SamplerChannelEvent e) {
606	iliev	1778	updateDisplay();
607
608	iliev	1776	String newFile = channel.getChannelInfo().getInstrumentFile();
609			int newIndex = channel.getChannelInfo().getInstrumentIndex();
610
611			if(channel.getChannelInfo().getInstrumentStatus() != 100) {
612			//don't use disablePianoRoll because of unnecessary repainting
613			pianoRoll.setAllKeysPressed(false);
614			pianoRoll.removeAllKeyswitches();
615			pianoRoll.setAllKeysDisabled(true);
616			pianoRoll.setPlayingEnabled(false);
617			return;
618			}
619
620			if(newFile == null) {
621			if(file != null) disablePianoRoll();
622			file = null;
623			index = -1;
624			return;
625			}
626
627			if(newFile.equals(file) && newIndex == index) return;
628
629			file = newFile;
630			index = newIndex;
631			updateInstrumentInfo();
632			}
633	iliev	1778
634			@Override
635			public void
636			focusGained(FocusEvent e) {
637
638			}
639
640			@Override
641			public void
642			focusLost(FocusEvent e) {
643
644			}
645	iliev	1776	}
646			}