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) {
                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	updateDisplay();
348	}
349
350	@Override public void
351	channelRemoved(SamplerChannelListEvent e) {
352	if(e.getChannelModel() == channel) {
353	disconnectChannel();
354	}
355
356	updateDisplay();
357	}
358
359	private JPanel
360	createVSeparator() {
361	PixmapPane p = new PixmapPane(Res.gfxVLine);
362	p.setAlignmentY(JPanel.TOP_ALIGNMENT);
363	p.setMinimumSize(new Dimension(2, 30));
364	p.setPreferredSize(new Dimension(2, 60));
365	p.setMaximumSize(new Dimension(2, Short.MAX_VALUE));
366	return p;
367	}
368
369	private Color color1 = new Color(0x7a7a7a);
370	private Color color2 = new Color(0x5e5e5e);
371	private Color color3 = new Color(0x2e2e2e);
372
373	@Override
374	public void
375	paintComponent(Graphics g) {
376	Graphics2D g2 = (Graphics2D)g;
377
378	Paint oldPaint = g2.getPaint();
379	Composite oldComposite = g2.getComposite();
380
381	Insets insets = this.getInsets();
382	double x1 = insets.left;
383	double y1 = insets.top;
384
385	double w = getSize().getWidth();
386	double x2 = w - insets.right - 1;
387	double h = getSize().getHeight();
388	double y2 = h - insets.bottom - 1;
389
390	FantasiaPainter.paintGradient(g2, x1, y1, x2, y2 - 10, color1, color2);
391
392	g2.setRenderingHint (
393	RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF
394	);
395
396	double y3 = y2 - 10;
397	if(y3 < 0) y3 = 0;
398
399	Rectangle2D.Double rect = new Rectangle2D.Double(x1, y3, x2 - x1 + 1, 11);
400
401	GradientPaint gr = new GradientPaint (
402	0.0f, (float)y3, color2,
403	0.0f, (float)h, color3
404	);
405
406	g2.setPaint(gr);
407	g2.fill(rect);
408
409	drawOutBorder(g2, x1, y1, x2, y2);
410
411	double prX = pianoRoll.getLocation().getX();
412	double prY = pianoRoll.getLocation().getY();
413	drawInBorder (
414	g2, prX - 2, prY - 2,
415	prX + pianoRoll.getSize().getWidth() + 1, prY + pianoRoll.getSize().getHeight() - 3
416	);
417
418	g2.setPaint(oldPaint);
419	g2.setComposite(oldComposite);
420	}
421
422	private void
423	drawOutBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
424	AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
425	g2.setComposite(ac);
426
427	g2.setPaint(Color.WHITE);
428	Line2D.Double l = new Line2D.Double(x1, y1, x2, y1);
429	g2.draw(l);
430
431	g2.setComposite(ac.derive(0.20f));
432	l = new Line2D.Double(x1, y1 + 1, x2, y1 + 1);
433	g2.draw(l);
434
435	g2.setComposite(ac.derive(0.255f));
436
437	l = new Line2D.Double(x1, y1, x1, y2);
438	g2.draw(l);
439
440	g2.setComposite(ac.derive(0.40f));
441	g2.setPaint(Color.BLACK);
442
443	//l = new Line2D.Double(x1, y2, x2, y2);
444	//g2.draw(l);
445
446	g2.setComposite(ac.derive(0.20f));
447
448	l = new Line2D.Double(x2, y1, x2, y2);
449	g2.draw(l);
450	}
451
452	private void
453	drawInBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
454	AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
455	g2.setComposite(ac);
456
457	g2.setPaint(Color.WHITE);
458	Line2D.Double l = new Line2D.Double(x1, y2, x2, y2);
459	//g2.draw(l);
460
461	g2.setComposite(ac.derive(0.255f));
462
463	l = new Line2D.Double(x2 - 1, y1 + 1, x2 - 1, y2 + 1);
464	g2.draw(l);
465
466	g2.setComposite(ac.derive(0.13f));
467
468	l = new Line2D.Double(x2, y1, x2, y2);
469	g2.draw(l);
470
471	g2.setComposite(ac.derive(0.20f));
472	g2.setPaint(Color.BLACK);
473
474	l = new Line2D.Double(x1, y1, x2, y1);
475	g2.draw(l);
476
477	g2.setComposite(ac.derive(0.40f));
478	g2.setPaint(Color.BLACK);
479
480	l = new Line2D.Double(x1 + 1, y1 + 1, x2 - 1, y1 + 1);
481	g2.draw(l);
482
483	g2.setComposite(ac.derive(0.20f));
484
485	l = new Line2D.Double(x1, y1, x1, y2);
486	g2.draw(l);
487
488	g2.setComposite(ac.derive(0.40f));
489
490	l = new Line2D.Double(x1 + 1, y1 + 1, x1 + 1, y2 + 1);
491	g2.draw(l);
492	}
493
494	private void
495	updateDisplay() {
496	// TODO: called too often?
497	if(channel == null) {
498	lDisplay.setText(i18n.getLabel("PianoKeyboardPane.noChannel"));
499	return;
500	}
501
502	SamplerChannel sc = channel.getChannelInfo();
503	String s = CC.getMainFrame().getChannelPath(channel);
504
505	StringBuffer sb = new StringBuffer();
506	sb.append(i18n.getLabel("PianoKeyboardPane.channel", s)).append(" - ");
507
508	int status = sc.getInstrumentStatus();
509	if(status >= 0 && status < 100) {
510	sb.append(i18n.getLabel("ChannelScreen.loadingInstrument", status));
511	} else if(status == -1) {
512	sb.append(i18n.getLabel("PianoKeyboardPane.noInstrument"));
513	} else if(status < -1) {
514	sb.append(i18n.getLabel("ChannelScreen.errorLoadingInstrument"));
515	} else {
516	if(sc.getInstrumentName() != null) sb.append(sc.getInstrumentName());
517	}
518
519	lDisplay.setText(sb.toString());
520	}
521
522
523	class KeyRangePropsPane extends JPanel {
524	private final JButton btnIncrease =
525	new PixmapButton(pianoRoll.actionIncreaseKeyNumber, Res.gfxBtnIncrease);
526
527	private final JButton btnDecrease =
528	new PixmapButton(pianoRoll.actionDecreaseKeyNumber, Res.gfxBtnDecrease);
529
530	private final JButton btnScrollLeft =
531	new PixmapButton(pianoRoll.actionScrollLeft, Res.gfxBtnScrollLeft);
532
533	private final JButton btnScrollRight =
534	new PixmapButton(pianoRoll.actionScrollRight, Res.gfxBtnScrollRight);
535
536	KeyRangePropsPane() {
537	setOpaque(false);
538	setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
539
540	btnIncrease.setFocusable(false);
541	btnDecrease.setFocusable(false);
542	btnScrollLeft.setFocusable(false);
543	btnScrollRight.setFocusable(false);
544
545
546	btnDecrease.setPressedIcon(Res.gfxBtnDecreaseRO);
547	add(btnDecrease);
548
549	btnIncrease.setPressedIcon(Res.gfxBtnIncreaseRO);
550	add(btnIncrease);
551
552	add(Box.createRigidArea(new Dimension(6, 0)));
553
554	btnScrollLeft.setPressedIcon(Res.gfxBtnScrollLeftRO);
555	add(btnScrollLeft);
556
557	btnScrollRight.setPressedIcon(Res.gfxBtnScrollRightRO);
558	add(btnScrollRight);
559	}
560	}
561
562
563	public static class PowerButton extends PixmapToggleButton implements ActionListener {
564	PowerButton() {
565	this(Res.gfxPowerOff, Res.gfxPowerOn);
566	}
567
568	PowerButton(ImageIcon defaultIcon, ImageIcon selectedIcon) {
569	super(defaultIcon, selectedIcon);
570
571	setSelected(true);
572	addActionListener(this);
573	}
574
575	@Override
576	public void
577	actionPerformed(ActionEvent e) {
578	boolean b = isSelected();
579	MainFrame frm = (MainFrame)CC.getMainFrame();
580	if(frm == null) return;
581	frm.setMidiKeyboardVisible(b);
582	}
583
584	@Override
585	public boolean
586	contains(int x, int y) { return (x - 11)(x - 11) + (y - 11)(y - 11) < 71; }
587	}
588
589	private final Handler handler = new Handler();
590
591	private Handler
592	getHandler() { return handler; }
593
594	private class Handler extends SamplerChannelAdapter implements FocusListener, MidiDataListener {
595	@Override
596	public void
597	midiDataArrived(MidiDataEvent e) {
598	if(channel == null) return;
599	channel.sendBackendMidiData(e);
600	}
601
602	@Override
603	public void
604	channelChanged(SamplerChannelEvent e) {
605	updateDisplay();
606
607	String newFile = channel.getChannelInfo().getInstrumentFile();
608	int newIndex = channel.getChannelInfo().getInstrumentIndex();
609
610	if(channel.getChannelInfo().getInstrumentStatus() != 100) {
611	//don't use disablePianoRoll because of unnecessary repainting
612	pianoRoll.setAllKeysPressed(false);
613	pianoRoll.removeAllKeyswitches();
614	pianoRoll.setAllKeysDisabled(true);
615	pianoRoll.setPlayingEnabled(false);
616	return;
617	}
618
619	if(newFile == null) {
620	if(file != null) disablePianoRoll();
621	file = null;
622	index = -1;
623	return;
624	}
625
626	if(newFile.equals(file) && newIndex == index) return;
627
628	file = newFile;
629	index = newIndex;
630	updateInstrumentInfo();
631	}
632
633	@Override
634	public void
635	focusGained(FocusEvent e) {
636
637	}
638
639	@Override
640	public void
641	focusLost(FocusEvent e) {
642
643	}
644	}
645	}