/// <summary>
/// Handles mouse move events while in the "Moving" state.
/// </summary>
/// <param name="location">Mouse location on the grid.</param>
private void MouseMove_DragMoving(Point location)
{
// if we don't have anything selected, there's no point dragging anything...
if (!_marksSelectionManager.SelectedMarks.Any() || _mouseDownMark == null)
{
return;
}
TimeSpan dt = pixelsToTime(location.X - _moveResizeStartLocation.X);
// If we didn't move, get outta here.
if (dt == TimeSpan.Zero)
{
return;
}
// Calculate what our actual dt value will be.
TimeSpan earliest = _marksMoveResizeInfo.OriginalMarks.Values.Min(x => x.StartTime);
if ((earliest + dt) < TimeSpan.Zero)
{
dt = -earliest;
}
TimeSpan latest = _marksMoveResizeInfo.OriginalMarks.Values.Max(x => x.EndTime);
if ((latest + dt) > TimeInfo.TotalTime)
{
dt = TimeInfo.TotalTime - latest;
}
foreach (var markTimeInfo in _marksMoveResizeInfo.OriginalMarks)
{
markTimeInfo.Key.StartTime = markTimeInfo.Value.StartTime + dt;
}
_timeLineGlobalEventManager.OnMarksMoving(new MarksMovingEventArgs(_marksSelectionManager.SelectedMarks.ToList()));
_timeLineGlobalEventManager.OnAlignmentActivity(new AlignmentEventArgs(true, new[] { _mouseDownMark.StartTime, _mouseDownMark.EndTime }));
//Invalidate();
}