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/*
* Copyright 2012 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.Dimension;
import java.awt.GridLayout;
import java.util.ArrayList;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import com.jsyn.util.InstrumentLibrary;
import com.jsyn.util.VoiceDescription;
/**
* Display a list of VoiceDescriptions and their associated presets. Notify PresetSelectionListeners
* when a preset is selected.
*
* @author Phil Burk (C) 2012 Mobileer Inc
*/
@SuppressWarnings("serial")
public class InstrumentBrowser extends JPanel {
private InstrumentLibrary library;
private JScrollPane listScroller2;
private VoiceDescription voiceDescription;
private ArrayList<PresetSelectionListener> listeners = new ArrayList<>();
public InstrumentBrowser(InstrumentLibrary library) {
this.library = library;
JPanel horizontalPanel = new JPanel();
horizontalPanel.setLayout(new GridLayout(1, 2));
final JList<VoiceDescription> instrumentList = new JList<VoiceDescription>(library.getVoiceDescriptions());
setupList(instrumentList);
instrumentList.addListSelectionListener(new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent e) {
if (!e.getValueIsAdjusting()) {
int n = instrumentList.getSelectedIndex();
if (n >= 0) {
showPresetList(n);
}
}
}
});
JScrollPane listScroller1 = new JScrollPane(instrumentList);
listScroller1.setPreferredSize(new Dimension(250, 120));
add(listScroller1);
instrumentList.setSelectedIndex(0);
}
public void addPresetSelectionListener(PresetSelectionListener listener) {
listeners.add(listener);
}
public void removePresetSelectionListener(PresetSelectionListener listener) {
listeners.remove(listener);
}
private void firePresetSelectionListeners(VoiceDescription voiceDescription, int presetIndex) {
for (PresetSelectionListener listener : listeners) {
listener.presetSelected(voiceDescription, presetIndex);
}
}
private void showPresetList(int n) {
if (listScroller2 != null) {
remove(listScroller2);
}
voiceDescription = library.getVoiceDescriptions()[n];
final JList<String> presetList = new JList<String>(voiceDescription.getPresetNames());
setupList(presetList);
presetList.addListSelectionListener(new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent e) {
if (e.getValueIsAdjusting() == false) {
int n = presetList.getSelectedIndex();
if (n >= 0) {
firePresetSelectionListeners(voiceDescription, n);
}
}
}
});
listScroller2 = new JScrollPane(presetList);
listScroller2.setPreferredSize(new Dimension(250, 120));
add(listScroller2);
presetList.setSelectedIndex(0);
validate();
}
private void setupList(@SuppressWarnings("rawtypes") JList list) {
list.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
list.setLayoutOrientation(JList.VERTICAL);
list.setVisibleRowCount(-1);
}
}
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