/*
* Created on Feb 1, 2007
*
* Copyright (c) 2007 Jens Gulden
*
* http://www.frinika.com
*
* This file is part of Frinika.
*
* Frinika is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* Frinika 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 Frinika; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.frinika.sequencer.model;
import static com.frinika.localization.CurrentLocale.getMessage;
import javax.sound.midi.InvalidMidiDataException;
import javax.sound.midi.MidiEvent;
import javax.sound.midi.MidiMessage;
import javax.sound.midi.SysexMessage;
import javax.swing.JOptionPane;
import com.frinika.global.Toolbox;
import com.frinika.project.ProjectContainer;
import com.frinika.project.gui.ProjectFrame;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.StringTokenizer;
/**
* Event for system-exclusive MIDI data.
*
* @see SysexMacro
* @author Jens Gulden
*/
public class SysexEvent extends MultiEvent {
private static final long serialVersionUID = 1L;
protected String macro; // macro or raw data as string (starting with F0 or F7)
transient protected MidiEvent[] midiEvents = new MidiEvent[0];
public SysexEvent(MidiPart part, long startTick) {
super(part, startTick);
}
public SysexEvent(MidiPart part, long startTick, String macro) {
this(part, startTick);
this.setMacroString(macro);
}
public SysexEvent(MidiPart part, long startTick, byte[] data) {
this(part, startTick);
this.setData(data);
}
/*public String getMacroString() {
return macro;
}*/
public void setMacroString(String macro) {
this.macro = macro;
try {
midiEvents = parseMacro(macro);
} catch (InvalidMidiDataException imde) {
//error(imde);
midiEvents = new MidiEvent[0];
imde.printStackTrace();
}
}
public void setData(byte[] data) {
// single raw sysex message
try {
SysexMessage syxm = new SysexMessage();
syxm.setMessage(data, data.length);
midiEvents = new MidiEvent[] { new MidiEvent(syxm, startTick) };
} catch (InvalidMidiDataException imde) {
imde.printStackTrace();
}
}
public boolean isSuccessfullyParsed() {
return (midiEvents != null);
}
protected MidiEvent[] parseMacro(String macro) throws InvalidMidiDataException {
if ((macro == null) || (macro.trim().length() == 0)) {
return new MidiEvent[0];
}
SysexMacro m = AbstractSysexMacro.findMacro(macro);
if (m == null) {
throw new InvalidMidiDataException("Cannot find macro '"+Toolbox.firstWord(macro)+"'.");
}
MidiMessage[] mm = null;
mm = m.parseMessages(macro);
if (mm == null) {
throw new InvalidMidiDataException("Parsing of '"+macro+"' failed.");
}
MidiEvent[] me = new MidiEvent[mm.length];
for (int i = 0; i < mm.length; i++) {
me[i] = new MidiEvent(mm[i], getStartTick());
}
return me;
}
public void showEditorGUI(ProjectFrame frame) {
final String oldMacroString = this.macro;
boolean err;
do {
err = false;
final String s = JOptionPane.showInputDialog(frame, getMessage("sequencer.sysex.edit_sysex") + ":", oldMacroString);
if (s != null) {
if ( ! s.equals(oldMacroString) ) {
try {
final MidiEvent[] events = parseMacro(s);
final MidiEvent[] oldEvents = this.midiEvents;
ProjectContainer project = frame.getProjectContainer();
project.getEditHistoryContainer().mark(getMessage("sequencer.sysex.edit_sysex"));
EditHistoryAction action = new EditHistoryAction() {
public void redo() {
SysexEvent.this.macro = s;
SysexEvent.this.commitRemove();
SysexEvent.this.midiEvents = events;
SysexEvent.this.commitAdd();
}
public void undo() {
SysexEvent.this.macro = oldMacroString;
SysexEvent.this.commitRemove();
SysexEvent.this.midiEvents = oldEvents;
SysexEvent.this.commitAdd();
}
};
action.redo(); // do it
project.getEditHistoryContainer().push(action);
project.getEditHistoryContainer().notifyEditHistoryListeners();
} catch (InvalidMidiDataException imde) {
frame.error(imde.getMessage());
err = true;
}
}
} else { // cancelled
this.macro = oldMacroString;
}
} while (err);
}
/* (non-Javadoc)
* @see com.frinika.sequencer.model.MultiEvent#commitAdd()
*/
@Override
public void commitAddImpl() {
for (int i = 0; i < midiEvents.length; i++) {
getTrack().add(midiEvents[i]);
}
zombie=false;
}
/* (non-Javadoc)
* @see com.frinika.sequencer.model.MultiEvent#commitRemove()
*/
@Override
void commitRemoveImpl() {
for (int i = 0; i < midiEvents.length; i++) {
getTrack().remove(midiEvents[i]);
}
zombie=true;
}
/* (non-Javadoc)
* @see com.frinika.sequencer.model.MultiEvent#getEndTick()
*/
@Override
public long getEndTick() {
return getStartTick();
}
/* (non-Javadoc)
* @see com.frinika.sequencer.model.EditHistoryRecordable#restoreFromClone(com.frinika.sequencer.model.EditHistoryRecordable)
*/
public void restoreFromClone(EditHistoryRecordable object) {
SysexEvent other = (SysexEvent)object;
this.part = other.part;
//this.macro = note.macro;
this.setMacroString(other.macro);
this.startTick = other.startTick;
}
// --- Tools ---
public static byte[] parseHex(String s) {
StringTokenizer st = new StringTokenizer(s, " \t\n\r", false);
int size = st.countTokens();
byte[] data = new byte[size];
for (int i = 0; i < data.length; i++) {
byte b;
String tok = st.nextToken();
try {
b = (byte)( Integer.parseInt(tok, 16) & 0xff );
} catch (NumberFormatException nfe) {
b = -1;
}
data[i] = b;
}
return data;
}
// --- Serialization ---
private void readObject(ObjectInputStream in) throws ClassNotFoundException, IOException {
in.defaultReadObject();
setMacroString(macro); // re-parse to have midiEvents initialized
//if (midiEvents.length == 0) {
// macro = ""; // invalidate string if parsing failed on loading
//}
}
}