private string CalculateMidPoint(string sourceBlockName, string destinationBlockName)
{
string @default = "[0, 0]";
Block srcBlock = this.model.System.Block.FirstOrDefault(b => b.BlockName == sourceBlockName);
if (srcBlock != null)
{
Block destBlock = this.model.System.Block.FirstOrDefault(b => b.BlockName == destinationBlockName);
if (destBlock != null)
{
int distance = BlockExtensions.GetHorizontalDistance(srcBlock, destBlock) / 2;
@default = $"[{distance}, 0]";
}
}
return(@default);
}
internal Parameter CalculateBranchPoint(string sourceBlockName, string destinationBlockName, Action <IPathDirection> action = null)
{
Parameter @default = new Parameter()
{
Name = "Points", Text = "[0, 0]"
};
action?.Invoke(this);
if (Path.Type != LinePath.DirectionType.Straight)
{
Block srcBlock = this.model.System.Block.FirstOrDefault(b => b.BlockName == sourceBlockName);
if (srcBlock != null)
{
Block destBlock = this.model.System.Block.FirstOrDefault(b => b.BlockName == destinationBlockName);
if (destBlock != null)
{
int horizontalDiff = BlockExtensions.GetHorizontalDistance(srcBlock, destBlock);
int verticalDiff = BlockExtensions.GetVerticalDistance(srcBlock, destBlock);
switch (Path.Type)
{
case LinePath.DirectionType.Up:
{
@default = new Parameter()
{
Name = "Points", Text = $"[0, {-1 * (verticalDiff + Path.AppendedDistance)}]"
};
}
break;
case LinePath.DirectionType.Down:
{
@default = new Parameter()
{
Name = "Points", Text = $"[0, {verticalDiff + Path.AppendedDistance}]"
};
}
break;
case LinePath.DirectionType.Left:
{
@default = new Parameter()
{
Name = "Points", Text = $"[{-1 * (horizontalDiff + Path.AppendedDistance)}, 0]"
};
}
break;
case LinePath.DirectionType.Right:
{
@default = new Parameter()
{
Name = "Points", Text = $"[{horizontalDiff + Path.AppendedDistance}, 0]"
};
}
break;
}
}
}
}
return(@default);
}