public MainWindow()
{
InitializeComponent();
reader = null;
writer = null;
buffer = null;
inputFile = null;
outputFile = null;
bufferSize = -1;
labelProgress.Visibility = progressReading.Visibility = Visibility.Hidden;
timer = new DispatcherTimer();
timer.Interval = new TimeSpan(500);
timer.Tick += Timer_Tick;
progressBuferSize.Minimum = 0;
}
private void buttonReaderStart_Click(object sender, RoutedEventArgs e)
{
if (bufferSize == -1)
{
MessageBox.Show("Не задан максимальный размер буфера!");
return;
}
if (inputFile == null)
{
MessageBox.Show("Не задан входной файл");
return;
}
if (buffer == null)
buffer = new Classes.ConcurrentNonSizebleQueue<short>(bufferSize);
if (reader == null)
{
try {
reader = new Classes.ReaderThread(inputFile, ref buffer);
reader.OnReadingFinished += Reader_OnReadingFinished;
reader.OnPercentageUpped += Reader_OnReadingStateChanged;
} catch(Exception)
{
reader = null;
MessageBox.Show("Ошибка при открытии исходного файла");
}
}
buttonOpenFile.IsEnabled = false;
if (timer.IsEnabled == false)
timer.IsEnabled = true;
labelProgress.Visibility = progressReading.Visibility = Visibility.Visible;
readerButtons(false, true, true);
reader.Read();
}
private void buttonWriterStart_Click(object sender, RoutedEventArgs e)
{
if (bufferSize == -1)
{
MessageBox.Show("Не задан максимальный размер буфера!");
return;
}
if (outputFile == null)
{
MessageBox.Show("Не задан выходной файл");
return;
}
if (buffer == null)
buffer = new Classes.ConcurrentNonSizebleQueue<short>(bufferSize);
if (writer == null)
{
try {
writer = new Classes.WriterThread(outputFile, ref buffer);
writer.OnWritingFinished += Writer_OnWritingFinished;
}
catch (Exception)
{
reader = null;
MessageBox.Show("Ошибка при открытии файла для сохраниения");
}
}
buttonSaveFile.IsEnabled = false;
if (timer.IsEnabled == false)
timer.IsEnabled = true;
buttonWriterStart.IsEnabled = false;
buttonWriterStop.IsEnabled = true;
buttonWriterPause.IsEnabled = true;
writer.Write();
}
private void Writer_OnWritingFinished(object sender, EventArgs e)
{
Dispatcher.BeginInvoke((Action)(delegate
{
MessageBox.Show("Запись закончена");
buttonOpenFile.IsEnabled = true;
buttonSaveFile.IsEnabled = true;
writerButtons(true, false, false);
reader.Stop();
readerButtons(true, false, false);
reader = null;
writer.Stop();
writerButtons(true, false, false);
writer = null;
labelProgress.Visibility = progressReading.Visibility = Visibility.Hidden;
buttonOpenFile.IsEnabled = true;
buttonSaveFile.IsEnabled = true;
inputFile = null;
outputFile = null;
buttonOpenFile.IsChecked = false;
buttonSaveFile.IsChecked = false;
textBlockInputFileName.Content = "";
textBlockOutputFileName.Content = "";
progressReading.Value = 0;
timer.IsEnabled = false;
progressBuferSize.Value = 0;
labelBufferSizeChangeable.Content = "";
}));
}
private void buttonStop_Click(object sender, RoutedEventArgs e)
{
reader.Stop();
readerButtons(true, false, false);
reader = null;
writer.Stop();
writerButtons(true, false, false);
writer = null;
labelProgress.Visibility = progressReading.Visibility = Visibility.Hidden;
buttonOpenFile.IsEnabled = true;
buttonSaveFile.IsEnabled = true;
inputFile = null;
outputFile = null;
buttonOpenFile.IsChecked = false;
buttonSaveFile.IsChecked = false;
textBlockInputFileName.Content = "";
textBlockOutputFileName.Content = "";
progressReading.Value = 0;
timer.IsEnabled = false;
progressBuferSize.Value = 0;
labelBufferSizeChangeable.Content = "";
}
