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package tim.prune.load;
import java.io.File;
import java.util.TreeSet;
import javax.swing.JFileChooser;
import tim.prune.App;
import tim.prune.GenericFunction;
import tim.prune.I18nManager;
import tim.prune.UpdateMessageBroker;
import tim.prune.config.Config;
import tim.prune.data.AudioClip;
import tim.prune.undo.UndoLoadAudios;
/**
* Class to manage the loading of audio clips
*/
public class AudioLoader extends GenericFunction
{
private JFileChooser _fileChooser = null;
private GenericFileFilter _fileFilter = null;
private TreeSet<AudioClip> _fileList = null;
/**
* Constructor
* @param inApp Application object to inform of data load
*/
public AudioLoader(App inApp)
{
super(inApp);
_fileFilter = new AudioFileFilter();
}
/** Get the name key */
public String getNameKey() {
return "function.loadaudio";
}
/**
* Open the GUI to select options and start the load
*/
public void begin()
{
// Create file chooser if necessary
if (_fileChooser == null)
{
_fileChooser = new JFileChooser();
_fileChooser.setMultiSelectionEnabled(true);
_fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
_fileChooser.setFileFilter(_fileFilter);
_fileChooser.setDialogTitle(I18nManager.getText(getNameKey()));
// start from directory in config if already set by other operations
String configDir = Config.getConfigString(Config.KEY_PHOTO_DIR);
if (configDir == null) {configDir = Config.getConfigString(Config.KEY_TRACK_DIR);}
if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
}
// Show file dialog to choose file / directory(ies)
if (_fileChooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
{
_fileList = new TreeSet<AudioClip>(new MediaSorter());
processFileList(_fileChooser.getSelectedFiles());
final int numFiles = _fileList.size();
if (numFiles == 0) {
_app.showErrorMessage(getNameKey(), "error.audioload.nofilesfound");
}
else
{
// Construct undo object
UndoLoadAudios undo = new UndoLoadAudios(numFiles);
_app.getTrackInfo().addAudios(_fileList);
_app.completeFunction(undo, I18nManager.getText("confirm.audioload"));
UpdateMessageBroker.informSubscribers();
}
}
}
/**
* Process an array of File objects to load
* @param inFiles array of selected Files
*/
private void processFileList(File[] inFiles)
{
for (File file : inFiles)
{
if (file.exists() && file.canRead())
{
if (file.isFile()) {
if (_fileFilter.accept(file)) {
_fileList.add(new AudioClip(file));
}
}
else if (file.isDirectory()) {
processFileList(file.listFiles());
}
}
}
}
}
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