public void ClearSelection()
{
//m_Logger.Log("AudioPaneView.ClearSelection", Category.Debug, Priority.Medium);
m_TimeSelectionLeftX = -1;
WaveFormTimeSelectionRect.Visibility = Visibility.Hidden;
WaveFormTimeSelectionRect.Width = 0;
WaveFormTimeSelectionRect.SetValue(Canvas.LeftProperty, m_TimeSelectionLeftX);
}
public void SetSelectionBytes(long begin, long end)
{
//m_Logger.Log("AudioPaneView.SetSelectionBytes", Category.Debug, Priority.Medium);
m_TimeSelectionLeftX = begin / BytesPerPixel;
WaveFormTimeSelectionRect.Visibility = Visibility.Visible;
WaveFormTimeSelectionRect.Width = end / BytesPerPixel - m_TimeSelectionLeftX;
WaveFormTimeSelectionRect.SetValue(Canvas.LeftProperty, m_TimeSelectionLeftX);
}
public void SelectAll()
{
m_Logger.Log("AudioPaneView.SelectAll", Category.Debug, Priority.Medium);
m_TimeSelectionLeftX = 0;
WaveFormTimeSelectionRect.Visibility = Visibility.Visible;
double width = MillisecondsPerPixelToPixelWidthConverter.calc(ZoomSlider.Value, m_ViewModel);
#if DEBUG
double widthReal = getWaveFormWidth();
DebugFix.Assert((long)Math.Round(width * 100) == (long)Math.Round(widthReal * 100));
#endif //DEBUG
WaveFormTimeSelectionRect.Width = width;
WaveFormTimeSelectionRect.SetValue(Canvas.LeftProperty, m_TimeSelectionLeftX);
}
private void restoreSelection()
{
m_TimeSelectionLeftX = m_SelectionBackup_X;
WaveFormTimeSelectionRect.Visibility = Visibility.Visible;
WaveFormTimeSelectionRect.Width = m_SelectionBackup_Width;
WaveFormTimeSelectionRect.SetValue(Canvas.LeftProperty, m_TimeSelectionLeftX);
if (m_TimeSelectionLeftX < 0)
{
m_ViewModel.State.Selection.ClearSelection();
}
else if (m_ViewModel.State.Audio.HasContent)
{
m_ViewModel.State.Selection.SetSelectionBytes(
m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize(
(long)Math.Round(m_TimeSelectionLeftX * BytesPerPixel)),
m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize(
(long)Math.Round((m_TimeSelectionLeftX + WaveFormTimeSelectionRect.Width) * BytesPerPixel)));
}
}
private void selectionFinished(double x)
{
WaveFormTimeSelectionRectBackup.Visibility = Visibility.Hidden;
if (x == m_TimeSelectionLeftX)
{
ClearSelection();
m_ViewModel.CommandClearSelection.Execute();
//m_ViewModel.State.Selection.ClearSelection();
if (!m_ViewModel.State.Audio.HasContent)
{
return;
}
long bytes = m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize((long)Math.Round(x * BytesPerPixel));
m_ViewModel.PlayBytePosition = bytes;
return;
}
if (Math.Abs(m_TimeSelectionLeftX - x) <= MIN_SELECTION_PIXELS)
{
ClearSelection();
m_TimeSelectionLeftX = x;
}
if (x == m_TimeSelectionLeftX)
{
restoreSelection();
if (!m_ViewModel.State.Audio.HasContent)
{
return;
}
long bytes = m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize((long)Math.Round(x * BytesPerPixel));
m_ViewModel.PlayBytePosition = bytes;
return;
}
double right = x;
if (x < m_TimeSelectionLeftX)
{
right = m_TimeSelectionLeftX;
m_TimeSelectionLeftX = x;
}
WaveFormTimeSelectionRect.Visibility = Visibility.Visible;
WaveFormTimeSelectionRect.Width = right - m_TimeSelectionLeftX;
WaveFormTimeSelectionRect.SetValue(Canvas.LeftProperty, m_TimeSelectionLeftX);
if (!m_ViewModel.State.Audio.HasContent)
{
return;
}
m_ViewModel.State.Selection.SetSelectionBytes(
m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize(
(long)Math.Round(m_TimeSelectionLeftX * BytesPerPixel)),
m_ViewModel.State.Audio.GetCurrentPcmFormat().Data.AdjustByteToBlockAlignFrameSize(
(long)Math.Round((m_TimeSelectionLeftX + WaveFormTimeSelectionRect.Width) * BytesPerPixel)));
}
