/** Updates the channel settings. This method is invoked when changes to the channel were made. */
private void updateChannelInfo() {
SamplerChannel sc = getChannelInfo();
int status = sc.getInstrumentStatus();
if (status >= 0 && status < 100) {
btnInstr.setText(i18n.getLabel("Channel.loadingInstrument", status));
} else if (status == -1) {
btnInstr.setText(i18n.getLabel("Channel.btnInstr"));
} else if (status < -1) {
btnInstr.setText(i18n.getLabel("Channel.errorLoadingInstrument"));
} else {
if (sc.getInstrumentName() != null) btnInstr.setText(sc.getInstrumentName());
else btnInstr.setText(i18n.getLabel("Channel.btnInstr"));
}
updateMuteIcon(sc);
if (sc.isSoloChannel()) btnSolo.setIcon(iconSoloOn);
else btnSolo.setIcon(iconSoloOff);
slVolume.setValue((int) (sc.getVolume() * 100));
boolean b = sc.getEngine() != null;
slVolume.setEnabled(b);
btnSolo.setEnabled(b);
btnMute.setEnabled(b);
}
/** Invoked when the user clicks the mute button. */
private void changeMute() {
SamplerChannel sc = getChannelInfo();
boolean b = true;
/*
* Changing the mute button icon now instead of
* leaving the work to the notification mechanism of the LinuxSampler.
*/
if (sc.isMuted() && !sc.isMutedBySolo()) {
b = false;
boolean hasSolo = CC.getSamplerModel().hasSoloChannel();
if (sc.isSoloChannel() || !hasSolo) btnMute.setIcon(iconMuteOff);
else btnMute.setIcon(iconMutedBySolo);
} else btnMute.setIcon(iconMuteOn);
getModel().setMute(b);
}
/** Updates the audio device list. */
private void updateAudioDevices() {
SamplerModel sm = CC.getSamplerModel();
SamplerChannel sc = getModel().getChannelInfo();
setUpdate(true);
try {
cbAudioDevice.removeAllItems();
for (AudioDeviceModel m : sm.getAudioDeviceModels()) cbAudioDevice.addItem(m.getDeviceInfo());
AudioDeviceModel am = sm.getAudioDeviceModel(sc.getAudioOutputDevice());
cbAudioDevice.setSelectedItem(am == null ? null : am.getDeviceInfo());
} catch (Exception x) {
CC.getLogger().log(Level.WARNING, "Unkown error", x);
}
setUpdate(false);
}
/** Invoked when the user clicks the solo button. */
private void changeSolo() {
SamplerChannel sc = getChannelInfo();
boolean b = !sc.isSoloChannel();
/*
* Changing the solo button icon (and related) now instead of
* leaving the work to the notification mechanism of the LinuxSampler.
*/
if (b) {
btnSolo.setIcon(iconSoloOn);
if (sc.isMutedBySolo()) btnMute.setIcon(iconMuteOff);
} else {
btnSolo.setIcon(iconSoloOff);
if (!sc.isMuted() && CC.getSamplerModel().getSoloChannelCount() > 1)
btnMute.setIcon(iconMutedBySolo);
}
getModel().setSolo(b);
}
/** Updates the channel settings. This method is invoked when changes to the channel were made. */
private void updateChannelProperties() {
SamplerModel sm = CC.getSamplerModel();
SamplerChannel sc = getModel().getChannelInfo();
MidiDeviceModel mm = sm.getMidiDeviceModel(sc.getMidiInputDevice());
AudioDeviceModel am = sm.getAudioDeviceModel(sc.getAudioOutputDevice());
if (isUpdate()) CC.getLogger().warning("Unexpected update state!");
setUpdate(true);
try {
cbMidiDevice.setSelectedItem(mm == null ? null : mm.getDeviceInfo());
cbEngines.setSelectedItem(sc.getEngine());
cbAudioDevice.setSelectedItem(am == null ? null : am.getDeviceInfo());
} catch (Exception x) {
CC.getLogger().log(Level.WARNING, "Unkown error", x);
}
setUpdate(false);
}
public String getInstrument() {
SamplerChannel sc = Channel.this.getChannelInfo();
if (sc.getInstrumentName() == null || sc.getInstrumentStatus() < 0) return null;
Instrument instr = new Instrument();
instr.setName(sc.getInstrumentName());
instr.setInstrumentIndex(sc.getInstrumentIndex());
instr.setPath(sc.getInstrumentFile());
return instr.getDnDString();
}
/**
* Updates the mute button with the proper icon regarding to information obtained from <code>
* channel</code>.
*
* @param channel A <code>SamplerChannel</code> instance containing the new settings for this
* channel.
*/
private void updateMuteIcon(SamplerChannel channel) {
if (channel.isMutedBySolo()) btnMute.setIcon(iconMutedBySolo);
else if (channel.isMuted()) btnMute.setIcon(iconMuteOn);
else btnMute.setIcon(iconMuteOff);
}