/**
* Create preview component.
*
* @param type type
* @param comboBox the options.
* @param prefSize the preferred size
* @return the component.
*/
private static Component createPreview(int type, final JComboBox comboBox, Dimension prefSize) {
JComponent preview = null;
if (type == DeviceConfigurationComboBoxModel.AUDIO) {
Object selectedItem = comboBox.getSelectedItem();
if (selectedItem instanceof AudioSystem) {
AudioSystem audioSystem = (AudioSystem) selectedItem;
if (!NoneAudioSystem.LOCATOR_PROTOCOL.equalsIgnoreCase(audioSystem.getLocatorProtocol())) {
preview = new TransparentPanel(new GridBagLayout());
createAudioSystemControls(audioSystem, preview);
}
}
} else if (type == DeviceConfigurationComboBoxModel.VIDEO) {
JLabel noPreview =
new JLabel(
NeomediaActivator.getResources().getI18NString("impl.media.configform.NO_PREVIEW"));
noPreview.setHorizontalAlignment(SwingConstants.CENTER);
noPreview.setVerticalAlignment(SwingConstants.CENTER);
preview = createVideoContainer(noPreview);
preview.setPreferredSize(prefSize);
Object selectedItem = comboBox.getSelectedItem();
CaptureDeviceInfo device = null;
if (selectedItem instanceof DeviceConfigurationComboBoxModel.CaptureDevice)
device = ((DeviceConfigurationComboBoxModel.CaptureDevice) selectedItem).info;
Exception exception;
try {
createVideoPreview(device, preview);
exception = null;
} catch (IOException ex) {
exception = ex;
} catch (MediaException ex) {
exception = ex;
}
if (exception != null) {
logger.error("Failed to create preview for device " + device, exception);
device = null;
}
}
return preview;
}