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/*
* Copyright 2009 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.swing;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JPanel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class EnvelopeEditorPanel extends JPanel {
EnvelopeEditorBox editor;
Checkbox pointsBox;
Checkbox sustainBox;
Checkbox releaseBox;
Checkbox autoBox;
Button onButton;
Button offButton;
Button clearButton;
Button yUpButton;
Button yDownButton;
DoubleBoundedTextField zoomField;
public EnvelopeEditorPanel(EnvelopePoints points, int maxFrames) {
setSize(600, 300);
setLayout(new BorderLayout());
editor = new EnvelopeEditorBox();
editor.setMaxPoints(maxFrames);
editor.setBackground(Color.cyan);
editor.setPoints(points);
editor.setMinimumSize(new Dimension(500, 300));
add(editor, "Center");
JPanel buttonPanel = new JPanel();
add(buttonPanel, "South");
CheckboxGroup cbg = new CheckboxGroup();
pointsBox = new Checkbox("points", cbg, true);
pointsBox.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
editor.setMode(EnvelopeEditorBox.EDIT_POINTS);
}
});
buttonPanel.add(pointsBox);
sustainBox = new Checkbox("onLoop", cbg, false);
sustainBox.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
editor.setMode(EnvelopeEditorBox.SELECT_SUSTAIN);
}
});
buttonPanel.add(sustainBox);
releaseBox = new Checkbox("offLoop", cbg, false);
releaseBox.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
editor.setMode(EnvelopeEditorBox.SELECT_RELEASE);
}
});
buttonPanel.add(releaseBox);
autoBox = new Checkbox("AutoStop", false);
/*
* buttonPanel.add( onButton = new Button( "On" ) ); onButton.addActionListener( module );
* buttonPanel.add( offButton = new Button( "Off" ) ); offButton.addActionListener( module
* ); buttonPanel.add( clearButton = new Button( "Clear" ) ); clearButton.addActionListener(
* module );
*/
buttonPanel.add(yUpButton = new Button("Y*2"));
yUpButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
scaleEnvelopeValues(2.0);
}
});
buttonPanel.add(yDownButton = new Button("Y/2"));
yDownButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
scaleEnvelopeValues(0.5);
}
});
/* Add a TextField for setting the Y scale. */
double max = getMaxEnvelopeValue(editor.getPoints());
editor.setMaxWorldY(max);
buttonPanel.add(new Label("YMax ="));
final DoubleBoundedRangeModel model = new DoubleBoundedRangeModel("YMax", 100000, 1.0,
100001.0, 1.0);
buttonPanel.add(zoomField = new DoubleBoundedTextField(model, 8));
model.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
try {
double val = model.getDoubleValue();
editor.setMaxWorldY(val);
editor.repaint();
} catch (NumberFormatException exp) {
zoomField.setText("ERROR");
zoomField.selectAll();
}
}
});
validate();
}
/**
* Multiply all the values in the envelope by scalar.
*/
double getMaxEnvelopeValue(EnvelopePoints points) {
double max = 1.0;
for (int i = 0; i < points.size(); i++) {
double value = points.getValue(i);
if (value > max) {
max = value;
}
}
return max;
}
/**
* Multiply all the values in the envelope by scalar.
*/
void scaleEnvelopeValues(double scalar) {
EnvelopePoints points = editor.getPoints();
for (int i = 0; i < points.size(); i++) {
double[] dar = points.getPoint(i);
dar[1] = dar[1] * scalar; // scale value
}
points.setDirty(true);
editor.repaint();
}
}
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