public AdjustResult AdjustChordTicks(GuitarChord chord, TickPair newTicks, AdjustOption option)
{
AdjustResult result;
var updatedTicks = GetAdjustChordTicks(newTicks, option, out result, chord);
if (!result.HasFlag(AdjustResult.Error) && updatedTicks.IsNull == false)
{
chord.SetTicks(updatedTicks);
chord.UpdateEvents();
}
return(result);
}
public TickPair GetAdjustChordTicks(TickPair newTicks, AdjustOption option, out AdjustResult result, GuitarChord chord = null)
{
result = AdjustResult.NoResult;
var existingTicks = new TickPair(newTicks.Down, newTicks.Up);
var queryTicks = new TickPair(newTicks.Down, newTicks.Up);
if (option.HasFlag(AdjustOption.AllowGrow) || option.HasFlag(AdjustOption.AllowShift))
{
queryTicks = new TickPair(newTicks.Down, newTicks.Up);
}
var between = Chords.GetBetweenTick(queryTicks);
if (chord != null)
{
between = between.Where(x => x != chord);
}
if (!between.Any())
{
result = AdjustResult.Success;
return(newTicks);
}
else
{
var closeToBegin = between.Where(x => x.TickPair.IsCloseUpDown(newTicks));
var closeToEnd = between.Where(x => x.TickPair.IsCloseDownUp(newTicks));
var closeChords = closeToBegin.Concat(closeToEnd).Distinct();
if (!closeChords.Any())
{
result = AdjustResult.Success;
return(newTicks);
}
else
{
TickPair updatedTicks = new TickPair(newTicks.Down, newTicks.Up);
var min = closeToBegin.GetMaxTick(updatedTicks.Down);
var max = closeToEnd.GetMinTick(updatedTicks.Up);
var updatedLen = updatedTicks.Up - updatedTicks.Down;
var space = max - min;
if (space <= 0)
{
result = AdjustResult.Error;
return(TickPair.NullValue);
}
if (updatedLen <= 0)
{
result = AdjustResult.Error;
return(TickPair.NullValue);
}
if (updatedLen == space)
{
result = AdjustResult.Success;
return(updatedTicks);
}
if ((updatedLen < space && option.HasFlag(AdjustOption.AllowGrow)) ||
(updatedLen > space && option.HasFlag(AdjustOption.AllowShrink)))
{
if (updatedTicks.Down < min)
{
result |= AdjustResult.AdjustedDownTickRight;
}
else if (updatedTicks.Down > min)
{
result |= AdjustResult.AdjustedDownTickLeft;
}
updatedTicks.Down = min;
if (updatedTicks.Up < max)
{
result |= AdjustResult.AdjustedUpTickRight;
}
else if (updatedTicks.Up > max)
{
result |= AdjustResult.AdjustedUpTickLeft;
}
updatedTicks.Up = max;
updatedLen = updatedTicks.Up - updatedTicks.Down;
if (updatedLen <= 0)
{
result = AdjustResult.Error;
return(TickPair.NullValue);
}
else
{
if (updatedLen < Utility.NoteCloseWidth)
{
result |= AdjustResult.ShortResult;
}
result |= AdjustResult.Success;
return(updatedTicks);
}
}
else if (updatedLen < space && option.HasFlag(AdjustOption.AllowShift))
{
if (updatedTicks.Down < min)
{
updatedTicks.Down = min;
updatedTicks.Up = min + updatedLen;
result |= AdjustResult.AdjustedDownTickRight | AdjustResult.AdjustedUpTickRight;
}
else
{
updatedTicks.Up = max;
updatedTicks.Down = max - updatedLen;
result |= AdjustResult.AdjustedDownTickLeft | AdjustResult.AdjustedUpTickLeft;
}
updatedLen = updatedTicks.Up - updatedTicks.Down;
if (updatedLen <= 0)
{
result = AdjustResult.Error;
return(TickPair.NullValue);
}
else
{
if (updatedLen < Utility.NoteCloseWidth)
{
result |= AdjustResult.ShortResult;
}
result |= AdjustResult.Success;
return(updatedTicks);
}
}
else
{
result = AdjustResult.Error;
return(TickPair.NullValue);
}
}
}
}
