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	/*
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	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	import java.awt.Insets;
35	import java.awt.Paint;
36	import java.awt.RenderingHints;
37
38	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	import java.beans.PropertyChangeEvent;
49	import java.beans.PropertyChangeListener;
50
51	import javax.swing.BorderFactory;
52	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
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	import org.jsampler.view.fantasia.basic.*;
75	import org.jsampler.view.std.JSPianoRoll;
76
77	import org.linuxsampler.lscp.Instrument;
78	import org.linuxsampler.lscp.SamplerChannel;
79
80	import org.linuxsampler.lscp.event.MidiDataEvent;
81	import org.linuxsampler.lscp.event.MidiDataListener;
82
83	import static javax.swing.Action.SMALL_ICON;
84	import static org.jsampler.task.Global.GetFileInstrument;
85	import static org.jsampler.view.fantasia.FantasiaI18n.i18n;
86
87	/**
88	*
89	* @author Grigor Iliev
90	*/
91	public class PianoKeyboardPane extends FantasiaPanel
92	implements ListSelectionListener, SamplerChannelListListener {
93
94	protected final JToggleButton btnPower = new PowerButton();
95	private final FantasiaLabel lDisplay = new FantasiaLabel(" ", true);
96	//private final PitchWheel pitchWheel = new PitchWheel();
97	//private final ModWheel modWheel = new ModWheel();
98	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	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	setOpaque(false);
112
113	GridBagLayout gridbag = new GridBagLayout();
114	GridBagConstraints c = new GridBagConstraints();
115
116	setLayout(gridbag);
117
118	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	/*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	p = new KeyRangePropsPane();
154
155	c.gridx = 2;
156	c.gridy = 0;
157	c.gridwidth = 3;
158	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	c.gridx = 8;
169	c.gridy = 0;
170	c.gridwidth = 1;
171	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	c.gridx = 6;
179	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	c.gridx = 5;
189	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	c.gridx = 7;
199	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	disablePianoRoll();
208
209	c.gridx = 4;
210	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	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
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	}
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	JSChannel[] chnS = CC.getMainFrame().getSelectedChannelsPane().getSelectedChannels();
264	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	updateDisplay();
321
322	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
342	updateDisplay();
343	}
344
345	@Override public void
346	channelAdded(SamplerChannelListEvent e) {
347	if(CC.getSamplerModel().getChannelListIsAdjusting()) return;
348	updateDisplay();
349	}
350
351	@Override public void
352	channelRemoved(SamplerChannelListEvent e) {
353	if(e.getChannelModel() == channel) {
354	disconnectChannel();
355	}
356
357	updateDisplay();
358	}
359
360	private JPanel
361	createVSeparator() {
362	PixmapPane p = new PixmapPane(Res.gfxVLine);
363	p.setAlignmentY(JPanel.TOP_ALIGNMENT);
364	p.setMinimumSize(new Dimension(2, 30));
365	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	String s = CC.getMainFrame().getChannelPath(channel);
505
506	StringBuffer sb = new StringBuffer();
507	sb.append(i18n.getLabel("PianoKeyboardPane.channel", s)).append(" - ");
508
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	private final Handler handler = new Handler();
591
592	private Handler
593	getHandler() { return handler; }
594
595	private class Handler extends SamplerChannelAdapter implements FocusListener, MidiDataListener {
596	@Override
597	public void
598	midiDataArrived(MidiDataEvent e) {
599	if(channel == null) return;
600	channel.sendBackendMidiData(e);
601	}
602
603	@Override
604	public void
605	channelChanged(SamplerChannelEvent e) {
606	updateDisplay();
607
608	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
634	@Override
635	public void
636	focusGained(FocusEvent e) {
637
638	}
639
640	@Override
641	public void
642	focusLost(FocusEvent e) {
643
644	}
645	}
646	}