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 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);
                
                p = new KeyRangePropsPane();
                
                c.gridx = 2;
                c.gridy = 0;
                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 = 6;
                c.gridy = 0;
                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 = 4;
                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 = 3;
                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 = 5;
                c.gridy = 0;
                gridbag.setConstraints(p, c);
                add(p);
                
                pianoRoll.setFocusable(false);
                pianoRoll.setBackground(new Color(0x2e2e2e));
                //pianoRoll.setOpaque(false);
                
                disablePianoRoll();
                
                c.gridx = 2;
                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.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 JSPianoRoll pianoRoll = new JSPianoRoll();
97	private SamplerChannelModel channel = null;
98
99	private String file = null;
100	private int index = -1;
101
102	public
103	PianoKeyboardPane() {
104	pianoRoll.actionDecreaseKeyNumber.putValue(SMALL_ICON, Res.gfxBtnDecrease);
105	pianoRoll.actionIncreaseKeyNumber.putValue(SMALL_ICON, Res.gfxBtnIncrease);
106	pianoRoll.actionScrollLeft.putValue(SMALL_ICON, Res.gfxBtnScrollLeft);
107	pianoRoll.actionScrollRight.putValue(SMALL_ICON, Res.gfxBtnScrollRight);
108
109	setOpaque(false);
110
111	GridBagLayout gridbag = new GridBagLayout();
112	GridBagConstraints c = new GridBagConstraints();
113
114	setLayout(gridbag);
115
116	setBorder(BorderFactory.createEmptyBorder(0, 3, 5, 3));
117
118	c.fill = GridBagConstraints.NONE;
119
120	c.gridx = 0;
121	c.gridy = 0;
122	c.anchor = GridBagConstraints.NORTHWEST;
123	c.insets = new Insets(3, 3, 3, 3);
124	gridbag.setConstraints(btnPower, c);
125	add(btnPower);
126
127	JPanel p = createVSeparator();
128	c.gridx = 1;
129	c.gridy = 0;
130	c.gridheight = 2;
131	c.insets = new Insets(3, 0, 5, 3);
132	c.fill = GridBagConstraints.VERTICAL;
133	c.weighty = 1.0;
134	gridbag.setConstraints(p, c);
135	add(p);
136
137	p = new KeyRangePropsPane();
138
139	c.gridx = 2;
140	c.gridy = 0;
141	c.gridheight = 1;
142	c.insets = new Insets(0, 0, 0, 0);
143	c.fill = GridBagConstraints.NONE;
144	c.weighty = 0.0;
145	c.anchor = GridBagConstraints.WEST;
146	gridbag.setConstraints(p, c);
147	add(p);
148
149	p = new KeyRangePropsPane();
150
151	c.gridx = 6;
152	c.gridy = 0;
153	c.anchor = GridBagConstraints.EAST;
154	c.insets = new Insets(0, 0, 0, 10);
155	gridbag.setConstraints(p, c);
156	add(p);
157
158	lDisplay.setPreferredSize(new Dimension(300, lDisplay.getPreferredSize().height));
159
160	c.gridx = 4;
161	c.gridy = 0;
162	c.insets = new Insets(3, 3, 3, 12);
163	c.fill = GridBagConstraints.NONE;
164	c.weightx = 0.0;
165	gridbag.setConstraints(lDisplay, c);
166	add(lDisplay);
167
168	p = new JPanel();
169	p.setOpaque(false);
170	c.gridx = 3;
171	c.gridy = 0;
172	c.insets = new Insets(0, 0, 0, 0);
173	c.fill = GridBagConstraints.HORIZONTAL;
174	c.weightx = 1.0;
175	gridbag.setConstraints(p, c);
176	add(p);
177
178	p = new JPanel();
179	p.setOpaque(false);
180	c.gridx = 5;
181	c.gridy = 0;
182	gridbag.setConstraints(p, c);
183	add(p);
184
185	pianoRoll.setFocusable(false);
186	pianoRoll.setBackground(new Color(0x2e2e2e));
187	//pianoRoll.setOpaque(false);
188
189	disablePianoRoll();
190
191	c.gridx = 2;
192	c.gridy = 1;
193	c.gridwidth = 5;
194	c.insets = new Insets(0, 3, 0, 12);
195	c.fill = GridBagConstraints.BOTH;
196	c.weightx = 1.0;
197	c.weighty = 1.0;
198	gridbag.setConstraints(pianoRoll, c);
199	add(pianoRoll);
200
201	CC.getSamplerModel().addSamplerChannelListListener(this);
202	pianoRoll.addMidiDataListener(getHandler());
203
204	updateKeyRange();
205
206	PropertyChangeListener l = new PropertyChangeListener() {
207	public void
208	propertyChange(PropertyChangeEvent e) {
209	updateKeyRange();
210	}
211	};
212
213	CC.preferences().addPropertyChangeListener("midiKeyboard.firstKey", l);
214	CC.preferences().addPropertyChangeListener("midiKeyboard.lastKey", l);
215
216	addFocusListener(getHandler());
217
218	MouseAdapter l2 = new MouseAdapter() {
219	public void
220	mouseClicked(MouseEvent e) { requestFocusInWindow(); }
221	};
222
223	addKeyListener(pianoRoll.getKeyListener());
224	pianoRoll.registerKeys(this);
225
226	addMouseListener(l2);
227	pianoRoll.addMouseListener(l2);
228	lDisplay.addMouseListener(l2);
229	}
230
231	public JSPianoRoll
232	getPianoRoll() { return pianoRoll; }
233
234	private void
235	updateKeyRange() {
236	int firstKey = CC.preferences().getIntProperty("midiKeyboard.firstKey");
237	int lastKey = CC.preferences().getIntProperty("midiKeyboard.lastKey");
238	pianoRoll.setKeyRange(firstKey, lastKey);
239	}
240
241	@Override public void
242	valueChanged(ListSelectionEvent e) {
243	if(e.getValueIsAdjusting()) return;
244
245	JSChannel[] chnS = CC.getMainFrame().getSelectedChannelsPane().getSelectedChannels();
246	if(chnS == null \|\| chnS.length == 0) {
247	disconnectChannel();
248	return;
249	}
250
251	if(chnS[0].getModel() == channel) return;
252	disconnectChannel();
253	connectChannel(chnS[0].getModel());
254	}
255
256	private void
257	updateInstrumentInfo() {
258	final GetFileInstrument i = new GetFileInstrument(file, index);
259
260	i.addTaskListener(new TaskListener() {
261	public void
262	taskPerformed(TaskEvent e) {
263	if(i.doneWithErrors()) return;
264	updatePianoKeyboard(i.getResult());
265	}
266	});
267
268	CC.getTaskQueue().add(i);
269	}
270
271	private void
272	disablePianoRoll() {
273	pianoRoll.reset(true);
274	pianoRoll.setPlayingEnabled(false);
275	}
276
277	private void
278	updatePianoKeyboard(Instrument instr) {
279	// The selected channel may have changed before this update
280	// due to concurency, so also checking whether file is null
281	if(instr == null \|\| file == null) {
282	disablePianoRoll();
283	return;
284	}
285
286	pianoRoll.setPlayingEnabled(true);
287
288	pianoRoll.setShouldRepaint(false);
289	pianoRoll.reset(true);
290	pianoRoll.setDisabled(instr.getKeyMapping(), false);
291	pianoRoll.setKeyswitches(instr.getKeyswitchMapping(), true);
292	pianoRoll.setShouldRepaint(true);
293	pianoRoll.repaint();
294	}
295
296	private void
297	connectChannel(SamplerChannelModel chn) {
298	channel = chn;
299	channel.addMidiDataListener(pianoRoll);
300	channel.addSamplerChannelListener(getHandler());
301
302	updateDisplay();
303
304	file = channel.getChannelInfo().getInstrumentFile();
305	if(file == null) {
306	disablePianoRoll();
307	return;
308	}
309	index = channel.getChannelInfo().getInstrumentIndex();
310	updateInstrumentInfo();
311	}
312
313	private void
314	disconnectChannel() {
315	if(channel != null) {
316	channel.removeMidiDataListener(pianoRoll);
317	channel.removeSamplerChannelListener(getHandler());
318	channel = null;
319	file = null;
320	index = -1;
321	disablePianoRoll();
322	}
323
324	updateDisplay();
325	}
326
327	@Override public void
328	channelAdded(SamplerChannelListEvent e) {
329	updateDisplay();
330	}
331
332	@Override public void
333	channelRemoved(SamplerChannelListEvent e) {
334	if(e.getChannelModel() == channel) {
335	disconnectChannel();
336	}
337
338	updateDisplay();
339	}
340
341	private JPanel
342	createVSeparator() {
343	PixmapPane p = new PixmapPane(Res.gfxVLine);
344	p.setAlignmentY(JPanel.TOP_ALIGNMENT);
345	p.setPreferredSize(new Dimension(2, 60));
346	p.setMaximumSize(new Dimension(2, Short.MAX_VALUE));
347	return p;
348	}
349
350	private Color color1 = new Color(0x7a7a7a);
351	private Color color2 = new Color(0x5e5e5e);
352	private Color color3 = new Color(0x2e2e2e);
353
354	@Override
355	public void
356	paintComponent(Graphics g) {
357	Graphics2D g2 = (Graphics2D)g;
358
359	Paint oldPaint = g2.getPaint();
360	Composite oldComposite = g2.getComposite();
361
362	Insets insets = this.getInsets();
363	double x1 = insets.left;
364	double y1 = insets.top;
365
366	double w = getSize().getWidth();
367	double x2 = w - insets.right - 1;
368	double h = getSize().getHeight();
369	double y2 = h - insets.bottom - 1;
370
371	FantasiaPainter.paintGradient(g2, x1, y1, x2, y2 - 10, color1, color2);
372
373	g2.setRenderingHint (
374	RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF
375	);
376
377	double y3 = y2 - 10;
378	if(y3 < 0) y3 = 0;
379
380	Rectangle2D.Double rect = new Rectangle2D.Double(x1, y3, x2 - x1 + 1, 11);
381
382	GradientPaint gr = new GradientPaint (
383	0.0f, (float)y3, color2,
384	0.0f, (float)h, color3
385	);
386
387	g2.setPaint(gr);
388	g2.fill(rect);
389
390	drawOutBorder(g2, x1, y1, x2, y2);
391
392	double prX = pianoRoll.getLocation().getX();
393	double prY = pianoRoll.getLocation().getY();
394	drawInBorder (
395	g2, prX - 2, prY - 2,
396	prX + pianoRoll.getSize().getWidth() + 1, prY + pianoRoll.getSize().getHeight() - 3
397	);
398
399	g2.setPaint(oldPaint);
400	g2.setComposite(oldComposite);
401	}
402
403	private void
404	drawOutBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
405	AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
406	g2.setComposite(ac);
407
408	g2.setPaint(Color.WHITE);
409	Line2D.Double l = new Line2D.Double(x1, y1, x2, y1);
410	g2.draw(l);
411
412	g2.setComposite(ac.derive(0.20f));
413	l = new Line2D.Double(x1, y1 + 1, x2, y1 + 1);
414	g2.draw(l);
415
416	g2.setComposite(ac.derive(0.255f));
417
418	l = new Line2D.Double(x1, y1, x1, y2);
419	g2.draw(l);
420
421	g2.setComposite(ac.derive(0.40f));
422	g2.setPaint(Color.BLACK);
423
424	//l = new Line2D.Double(x1, y2, x2, y2);
425	//g2.draw(l);
426
427	g2.setComposite(ac.derive(0.20f));
428
429	l = new Line2D.Double(x2, y1, x2, y2);
430	g2.draw(l);
431	}
432
433	private void
434	drawInBorder(Graphics2D g2, double x1, double y1, double x2, double y2) {
435	AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.40f);
436	g2.setComposite(ac);
437
438	g2.setPaint(Color.WHITE);
439	Line2D.Double l = new Line2D.Double(x1, y2, x2, y2);
440	//g2.draw(l);
441
442	g2.setComposite(ac.derive(0.255f));
443
444	l = new Line2D.Double(x2 - 1, y1 + 1, x2 - 1, y2 + 1);
445	g2.draw(l);
446
447	g2.setComposite(ac.derive(0.13f));
448
449	l = new Line2D.Double(x2, y1, x2, y2);
450	g2.draw(l);
451
452	g2.setComposite(ac.derive(0.20f));
453	g2.setPaint(Color.BLACK);
454
455	l = new Line2D.Double(x1, y1, x2, y1);
456	g2.draw(l);
457
458	g2.setComposite(ac.derive(0.40f));
459	g2.setPaint(Color.BLACK);
460
461	l = new Line2D.Double(x1 + 1, y1 + 1, x2 - 1, y1 + 1);
462	g2.draw(l);
463
464	g2.setComposite(ac.derive(0.20f));
465
466	l = new Line2D.Double(x1, y1, x1, y2);
467	g2.draw(l);
468
469	g2.setComposite(ac.derive(0.40f));
470
471	l = new Line2D.Double(x1 + 1, y1 + 1, x1 + 1, y2 + 1);
472	g2.draw(l);
473	}
474
475	private void
476	updateDisplay() {
477	// TODO: called too often?
478	if(channel == null) {
479	lDisplay.setText(i18n.getLabel("PianoKeyboardPane.noChannel"));
480	return;
481	}
482
483	SamplerChannel sc = channel.getChannelInfo();
484	String s = CC.getMainFrame().getChannelPath(channel);
485
486	StringBuffer sb = new StringBuffer();
487	sb.append(i18n.getLabel("PianoKeyboardPane.channel", s)).append(" - ");
488
489	int status = sc.getInstrumentStatus();
490	if(status >= 0 && status < 100) {
491	sb.append(i18n.getLabel("ChannelScreen.loadingInstrument", status));
492	} else if(status == -1) {
493	sb.append(i18n.getLabel("PianoKeyboardPane.noInstrument"));
494	} else if(status < -1) {
495	sb.append(i18n.getLabel("ChannelScreen.errorLoadingInstrument"));
496	} else {
497	if(sc.getInstrumentName() != null) sb.append(sc.getInstrumentName());
498	}
499
500	lDisplay.setText(sb.toString());
501	}
502
503
504	class KeyRangePropsPane extends JPanel {
505	private final JButton btnIncrease =
506	new PixmapButton(pianoRoll.actionIncreaseKeyNumber, Res.gfxBtnIncrease);
507
508	private final JButton btnDecrease =
509	new PixmapButton(pianoRoll.actionDecreaseKeyNumber, Res.gfxBtnDecrease);
510
511	private final JButton btnScrollLeft =
512	new PixmapButton(pianoRoll.actionScrollLeft, Res.gfxBtnScrollLeft);
513
514	private final JButton btnScrollRight =
515	new PixmapButton(pianoRoll.actionScrollRight, Res.gfxBtnScrollRight);
516
517	KeyRangePropsPane() {
518	setOpaque(false);
519	setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
520
521	btnIncrease.setFocusable(false);
522	btnDecrease.setFocusable(false);
523	btnScrollLeft.setFocusable(false);
524	btnScrollRight.setFocusable(false);
525
526
527	btnDecrease.setPressedIcon(Res.gfxBtnDecreaseRO);
528	add(btnDecrease);
529
530	btnIncrease.setPressedIcon(Res.gfxBtnIncreaseRO);
531	add(btnIncrease);
532
533	add(Box.createRigidArea(new Dimension(6, 0)));
534
535	btnScrollLeft.setPressedIcon(Res.gfxBtnScrollLeftRO);
536	add(btnScrollLeft);
537
538	btnScrollRight.setPressedIcon(Res.gfxBtnScrollRightRO);
539	add(btnScrollRight);
540	}
541	}
542
543
544	public static class PowerButton extends PixmapToggleButton implements ActionListener {
545	PowerButton() {
546	this(Res.gfxPowerOff, Res.gfxPowerOn);
547	}
548
549	PowerButton(ImageIcon defaultIcon, ImageIcon selectedIcon) {
550	super(defaultIcon, selectedIcon);
551
552	setSelected(true);
553	addActionListener(this);
554	}
555
556	@Override
557	public void
558	actionPerformed(ActionEvent e) {
559	boolean b = isSelected();
560	MainFrame frm = (MainFrame)CC.getMainFrame();
561	if(frm == null) return;
562	frm.setMidiKeyboardVisible(b);
563	}
564
565	@Override
566	public boolean
567	contains(int x, int y) { return (x - 11)(x - 11) + (y - 11)(y - 11) < 71; }
568	}
569
570	private final Handler handler = new Handler();
571
572	private Handler
573	getHandler() { return handler; }
574
575	private class Handler extends SamplerChannelAdapter implements FocusListener, MidiDataListener {
576	@Override
577	public void
578	midiDataArrived(MidiDataEvent e) {
579	if(channel == null) return;
580	channel.sendBackendMidiData(e);
581	}
582
583	@Override
584	public void
585	channelChanged(SamplerChannelEvent e) {
586	updateDisplay();
587
588	String newFile = channel.getChannelInfo().getInstrumentFile();
589	int newIndex = channel.getChannelInfo().getInstrumentIndex();
590
591	if(channel.getChannelInfo().getInstrumentStatus() != 100) {
592	//don't use disablePianoRoll because of unnecessary repainting
593	pianoRoll.setAllKeysPressed(false);
594	pianoRoll.removeAllKeyswitches();
595	pianoRoll.setAllKeysDisabled(true);
596	pianoRoll.setPlayingEnabled(false);
597	return;
598	}
599
600	if(newFile == null) {
601	if(file != null) disablePianoRoll();
602	file = null;
603	index = -1;
604	return;
605	}
606
607	if(newFile.equals(file) && newIndex == index) return;
608
609	file = newFile;
610	index = newIndex;
611	updateInstrumentInfo();
612	}
613
614	@Override
615	public void
616	focusGained(FocusEvent e) {
617
618	}
619
620	@Override
621	public void
622	focusLost(FocusEvent e) {
623
624	}
625	}
626	}