void ShiftLeft(int value)
{
var index = model.Montage.Chunks.FindIndex(model.WindowState.CurrentPosition);
if (index == -1)
{
return;
}
model.ShiftLeftChunkBorder(index, value);
model.WindowState.CurrentPosition = model.Montage.Chunks[index].StartTime;
}
void Shift(int borderIndex, int shiftSize)
{
if (borderIndex == -1)
{
return;
}
var border = montage.Borders[borderIndex];
model.ShiftLeftChunkBorder(border.RightChunk, shiftSize);
GenerateBorders();
model.WindowState.CurrentPosition = montage.Borders[borderIndex].StartTime;
if (montage.Borders[borderIndex].IsLeftBorder)
{
model.WindowState.SpeedRatio = 1;
}
model.OnMontageModelChanged();
}