jm.gui.cpn.NoteEditor Maven / Gradle / Ivy
/*
*
*
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// GPL code for jMusic CPN.
// Written by Al Christians ([email protected]).
// Copyright 2002, Trillium Resources Corporation, Oregon's
// leading provider of unvarnished software.
package jm.gui.cpn;
import jm.music.data.*;
import java.awt.event.*;
import java.awt.*;
import java.text.DecimalFormat;
import java.awt.Dialog;
import java.awt.List;
import java.awt.Button;
import java.awt.TextField;
import java.util.StringTokenizer;
// This class is a little editor to change the properties of a note
// Added as a right-click option to CPN
public class NoteEditor extends Dialog
implements ActionListener, WindowListener {
private Button
okButton = new Button("Apply"),
cancelButton = new Button("Cancel");
private Note note;
private List noteList,
octaveList;
private TextField
durationEdit = new TextField(15),
dynamicEdit = new TextField(15),
rhythmEdit = new TextField(15),
panEdit = new TextField(15),
offsetEdit = new TextField(15);
private Label
noteLabel = new Label("Note"),
dynamicLabel = new Label("Volume (1-127)"),
rhythmLabel = new Label("Rhythm Value"),
durationLabel = new Label("Duration Factor"),
panLabel = new Label("Pan"),
offsetLabel = new Label("Offset"),
octaveLabel = new Label("Octave");
private static DecimalFormat decimalFormat
= new DecimalFormat("###.###########");
public NoteEditor( Frame parentFrame ) {
super( parentFrame, "Edit Note", true );
initializeLists();
placeControls();
okButton.addActionListener(this);
cancelButton.addActionListener(this);
addWindowListener(this);
setVisible(false);
pack();
}
private static String getOctaveStringValue(int pitch) {
int octave = -1;
int note = pitch;
while (note > 11) {
++octave;
note -= 12;
}
return (new Integer(octave)).toString();
}
private static String getPitchStringValue(
int pitch) {
if ( pitch == Note.REST ) {
return "Rest";
}
else {
int k;
k = pitch;
while (k >= 12) {
k -= 12;
}
switch(k) {
case 0:
return "C";
case 1:
return "C#";
case 2:
return "D";
case 3:
return "D#";
case 4:
return "E";
case 5:
return "F";
case 6:
return "F#";
case 7:
return "G";
case 8:
return "G#";
case 9:
return "A";
case 10:
return "A#";
case 11:
return "B";
default:
return "Rest";
}
}
}
private static void setListToMatch(
List list,
String valueWanted
) {
for (int i=list.getItemCount()-1; i>=0; --i) {
if (list.getItem(i).equals(valueWanted)) {
list.select(i);
}
}
}
private void initializeNoteListValue( int pitch ) {
setListToMatch(
noteList,
getPitchStringValue(pitch)
);
}
private void initializeOctaveListValue( int pitch ) {
setListToMatch(
octaveList,
getOctaveStringValue(pitch)
);
}
private static void initializeDoubleEdit(
TextField theEdit,
double theValue ) {
theEdit.setText(decimalFormat.format(theValue));
}
private static void initializeIntEdit(
TextField theEdit,
int theValue ) {
theEdit.setText(
new Integer(theValue).toString());
}
private void initializeData() {
initializeNoteListValue(note.getPitch());
initializeOctaveListValue(note.getPitch());
initializeDoubleEdit(
durationEdit,
note.getDuration()/note.getRhythmValue()
);
initializeDoubleEdit(
rhythmEdit, note.getRhythmValue()
);
initializeDoubleEdit(
offsetEdit, note.getOffset()
);
initializeDoubleEdit(
panEdit, note.getPan()
);
initializeIntEdit(
dynamicEdit, note.getDynamic()
);
}
public void editNote(
Note theNote,
int locX,
int locY) {
note = theNote;
setLocation( locX, locY );
initializeData();
show();
}
private void initializeLists() {
noteList = new List(6);
noteList.add( "Rest" );
noteList.add( "A" );
noteList.add( "A#" );
noteList.add( "B" );
noteList.add( "C" );
noteList.add( "C#" );
noteList.add( "D" );
noteList.add( "D#" );
noteList.add( "E" );
noteList.add( "F" );
noteList.add( "F#" );
noteList.add( "G" );
noteList.add( "G#" );
octaveList = new List(6);
octaveList.add("-1");
octaveList.add("0");
octaveList.add("1");
octaveList.add("2");
octaveList.add("3");
octaveList.add("4");
octaveList.add("5");
octaveList.add("6");
octaveList.add("7");
octaveList.add("8");
octaveList.add("9");
}
private static boolean validateFloatEdit(
TextField theField,
double minValue,
double maxValue) {
StringTokenizer fieldTokenizer
= new StringTokenizer(theField.getText());
if (!fieldTokenizer.hasMoreElements()) {
theField.setText("Error--No Data");
return false;
}
else {
String fieldString =
fieldTokenizer.nextToken();
try {
double fieldValue =
new Double(fieldString)
.doubleValue();
if (fieldValue < minValue ) {
theField.setText("Value Too Low");
return false;
}
else if (fieldValue < minValue ) {
theField.setText("Value Too High");
return false;
}
}
catch (Throwable e ) {
theField.setText("Data Error");
return false;
}
}
if (fieldTokenizer.hasMoreElements()) {
theField.setText("Data Error");
return false;
}
else {
return true;
}
}
private static double getFieldDouble(
TextField theField
) {
StringTokenizer fieldTokenizer
= new StringTokenizer(theField.getText());
String fieldString =
fieldTokenizer.nextToken();
return (new Double(fieldString)).doubleValue();
}
private static boolean validateIntegerEdit(
TextField theField,
int minValue,
int maxValue) {
StringTokenizer fieldTokenizer
= new StringTokenizer(theField.getText());
if (!fieldTokenizer.hasMoreElements()) {
theField.setText("Error--No Data");
return false;
}
else {
String fieldString =
fieldTokenizer.nextToken();
try {
int fieldValue =
new Integer(fieldString)
.intValue();
if (fieldValue < minValue ) {
theField.setText("Value Too Low");
return false;
}
else if (fieldValue > maxValue ) {
theField.setText("Value Too High");
return false;
}
}
catch (Throwable e ) {
theField.setText("Data Error");
return false;
}
}
if (fieldTokenizer.hasMoreElements()) {
theField.setText("Data Error");
return false;
}
else {
return true;
}
}
private static int getFieldInt(
TextField theField
) {
StringTokenizer fieldTokenizer
= new StringTokenizer(theField.getText());
String fieldString =
fieldTokenizer.nextToken();
return (new Integer(fieldString)).intValue();
}
private boolean inputIsValid() {
return
validateFloatEdit(
durationEdit,
0.0000,
1.0000) &&
validateIntegerEdit(
dynamicEdit,
0,
127) &&
validateFloatEdit(
rhythmEdit,
0.00001,
64.0000) &&
validateFloatEdit(
panEdit,
0.0,
1.0 ) &&
validateFloatEdit(
offsetEdit,
-999.999, 999.999);
}
private void placeControls() {
GridBagLayout layout = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(layout);
c.fill = GridBagConstraints.BOTH;
c.weightx = 0.5;
c.gridwidth = 2;
c.gridheight = 1;
c.gridx = 0;
c.gridy = 0;
c.gridheight = 1;
layout.setConstraints(noteLabel, c);
add( noteLabel);
c.gridx = 0;
c.gridy = 2;
c.gridheight = 4;
layout.setConstraints(noteList, c);
add( noteList);
c.gridx = 0;
c.gridy = 7;
c.gridheight = 1;
layout.setConstraints(octaveLabel, c);
add( octaveLabel);
c.gridx = 0;
c.gridy = 8;
c.gridheight = 4;
layout.setConstraints(octaveList, c);
add( octaveList);
c.gridx = 0;
c.gridy = 15;
c.gridheight = 1;
c.gridwidth = 1;
layout.setConstraints(rhythmLabel, c);
add(rhythmLabel);
c.gridx = 1;
layout.setConstraints(rhythmEdit, c);
add(rhythmEdit);
c.gridx = 0;
c.gridy = 17;
c.gridheight = 1;
c.gridwidth = 1;
layout.setConstraints(dynamicLabel, c);
add(dynamicLabel);
c.gridx = 1;
layout.setConstraints(dynamicEdit, c);
add(dynamicEdit);
c.gridx = 0;
c.gridy = 19;
c.gridheight = 1;
c.gridwidth = 1;
layout.setConstraints(durationLabel, c);
add(durationLabel);
c.gridx = 1;
layout.setConstraints(durationEdit, c);
add(durationEdit);
c.gridx = 0;
c.gridy = 21;
c.gridheight = 1;
c.gridwidth = 1;
layout.setConstraints(offsetLabel, c);
add(offsetLabel);
c.gridx = 1;
layout.setConstraints(offsetEdit, c);
add(offsetEdit);
c.gridx = 0;
c.gridy = 23;
c.gridheight = 1;
c.gridwidth = 1;
layout.setConstraints(panLabel, c);
add(panLabel);
c.gridx = 1;
layout.setConstraints(panEdit, c);
add(panEdit);
c.gridx = 0;
c.gridy = 25;
c.gridheight = 1;
c.gridwidth = 1;
layout.setConstraints(okButton, c);
add(okButton);
c.gridx = 1;
layout.setConstraints(cancelButton, c);
add(cancelButton);
}
private int getSelectedPitch() {
String noteString = noteList.getSelectedItem();;
if ( noteString.equals("Rest") ) {
return (int)Note.REST;
}
else {
int answer;
if ( noteString.equals("C") ) {
answer = 0;
}
else if ( noteString.equals("C#")) {
answer = 1;
}
else if ( noteString.equals("D") ) {
answer = 2;
}
else if ( noteString.equals("D#") ) {
answer = 3;
}
else if ( noteString.equals("E") ) {
answer = 4;
}
else if ( noteString.equals("F") ) {
answer = 5;
}
else if ( noteString.equals("F#") ) {
answer = 6;
}
else if ( noteString.equals("G") ) {
answer = 7;
}
else if ( noteString.equals("G#") ) {
answer = 8;
}
else if ( noteString.equals("A") ) {
answer = 9;
}
else if ( noteString.equals("A#")) {
answer = 10;
}
else if ( noteString.equals("A") ) {
answer = 11;
}
else {
answer = 0;
}
int octave
= (new Integer(
octaveList.getSelectedItem()))
.intValue();
while( octave > -1) {
answer += 12;
--octave;
}
return answer;
}
}
private void updateTheNote() {
note.setPitch(getSelectedPitch());
note.setRhythmValue(getFieldDouble(rhythmEdit));
note.setDuration(note.getRhythmValue() *
getFieldDouble(durationEdit));
note.setDynamic(getFieldInt(dynamicEdit));
note.setPan(getFieldDouble(panEdit));
note.setOffset(getFieldDouble(offsetEdit));
}
public void actionPerformed(ActionEvent e){
if (e.getSource() == okButton) {
if (inputIsValid()) {
updateTheNote();
dispose();
}
}
else if (e.getSource() == cancelButton) {
dispose();
}
}
public void windowOpened(WindowEvent e) {
}
public void windowClosing(WindowEvent e) {
if(e.getSource() == this) dispose();
}
public void windowClosed(WindowEvent e) {
}
/**
* Invoked when a window is iconified.
*/
public void windowIconified(WindowEvent e) {
}
/**
* Invoked when a window is de-iconified.
*/
public void windowDeiconified(WindowEvent e) {
}
/**
* Invoked when a window is activated.
*/
public void windowActivated(WindowEvent e) {
}
/**
* Invoked when a window is de-activated.
*/
public void windowDeactivated(WindowEvent e) {
}
}
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