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