Esempio n. 1
0
    @Override
    public void actionPerformed(ActionEvent e) {
      Frame frame = getFrame();
      JFileChooser chooser = new JFileChooser();
      int ret = chooser.showOpenDialog(frame);

      if (ret != JFileChooser.APPROVE_OPTION) {
        return;
      }

      File f = chooser.getSelectedFile();
      if (f.isFile() && f.canRead()) {
        Document oldDoc = getEditor().getDocument();
        if (oldDoc != null) {
          oldDoc.removeUndoableEditListener(undoHandler);
        }
        if (elementTreePanel != null) {
          elementTreePanel.setEditor(null);
        }
        getEditor().setDocument(new PlainDocument());
        frame.setTitle(f.getName());
        Thread loader = new FileLoader(f, editor.getDocument());
        loader.start();
      } else {
        JOptionPane.showMessageDialog(
            getFrame(),
            "Could not open file: " + f,
            "Error opening file",
            JOptionPane.ERROR_MESSAGE);
      }
    }
  void addChildren(DefaultMutableTreeNode parent, File parentDirFile) {

    for (File file : parentDirFile.listFiles()) {
      String[] namesplitStrings = file.toString().split("\\\\");
      String filename = namesplitStrings[namesplitStrings.length - 1];

      if (file.isDirectory()) {
        DefaultMutableTreeNode child = new DefaultMutableTreeNode(filename);
        addChildren(child, file);
        parent.add(child);
      } else if (file.isFile()) {
        parent.add(new DefaultMutableTreeNode(filename));
      }
    }
  }
Esempio n. 3
0
  public boolean load(File file) {

    this.file = file;

    if (file != null && file.isFile()) {
      try {
        errStr = null;
        audioInputStream = AudioSystem.getAudioInputStream(file);

        fileName = file.getName();

        format = audioInputStream.getFormat();

      } catch (Exception ex) {
        reportStatus(ex.toString());
        return false;
      }
    } else {
      reportStatus("Audio file required.");
      return false;
    }

    numChannels = format.getChannels();
    sampleRate = (double) format.getSampleRate();
    sampleBitSize = format.getSampleSizeInBits();
    long frameLength = audioInputStream.getFrameLength();
    long milliseconds = (long) ((frameLength * 1000) / audioInputStream.getFormat().getFrameRate());
    double audioFileDuration = milliseconds / 1000.0;

    if (audioFileDuration > MAX_AUDIO_DURATION) duration = MAX_AUDIO_DURATION;
    else duration = audioFileDuration;

    frameLength = (int) Math.floor((duration / audioFileDuration) * (double) frameLength);

    try {
      audioBytes = new byte[(int) frameLength * format.getFrameSize()];
      audioInputStream.read(audioBytes);
    } catch (Exception ex) {
      reportStatus(ex.toString());
      return false;
    }

    getAudioData();

    return true;
  }