public Point GetConnectionPoint(IAnchor anchor, INode node, Point location)
{
var outerFrame = node.OuterFrame;
switch (_connectionMethod)
{
case ConnectionMethodKind.Intersect: {
var nextLoc = anchor.Kind == ConnectionAnchorKind.Source?
FirstRef.Next.EdgePoint:
LastRef.Prev.EdgePoint;
var line = new Line(location, nextLoc);
if (outerFrame.IntersectsWith(line))
{
return(outerFrame.GetIntersectionPoint(line));
}
else
{
/// 交わってなければ仕方がないのでNearestを返しておく
return(outerFrame.GetNearestPoint(line.Start));
}
}
case ConnectionMethodKind.UpperSideMidpoint: {
var bounds = node.Bounds;
var center = RectUtil.GetCenter(bounds);
return(anchor.Kind == ConnectionAnchorKind.Source ?
outerFrame.GetNearestPoint(new Point(center.X, bounds.Top)):
outerFrame.GetNearestPoint(new Point(center.X, bounds.Bottom)));
}
case ConnectionMethodKind.LowerSideMidpoint: {
var bounds = node.Bounds;
var center = RectUtil.GetCenter(bounds);
return(anchor.Kind == ConnectionAnchorKind.Source ?
outerFrame.GetNearestPoint(new Point(center.X, bounds.Bottom)):
outerFrame.GetNearestPoint(new Point(center.X, bounds.Top)));
}
case ConnectionMethodKind.LeftSideMidpoint: {
var bounds = node.Bounds;
var center = RectUtil.GetCenter(bounds);
return(anchor.Kind == ConnectionAnchorKind.Source ?
outerFrame.GetNearestPoint(new Point(bounds.Left, center.Y)):
outerFrame.GetNearestPoint(new Point(bounds.Right, center.Y)));
}
case ConnectionMethodKind.RightSideMidpoint: {
var bounds = node.Bounds;
var center = RectUtil.GetCenter(bounds);
return(anchor.Kind == ConnectionAnchorKind.Source ?
outerFrame.GetNearestPoint(new Point(bounds.Right, center.Y)):
outerFrame.GetNearestPoint(new Point(bounds.Left, center.Y)));
}
case ConnectionMethodKind.SideMidpointOfOpposite: {
var oppositeLoc = anchor.Kind == ConnectionAnchorKind.Source?
LastRef.EdgePoint:
FirstRef.EdgePoint;
var bounds = node.Bounds;
var dir = RectUtil.GetDirectionStraightlyFromCenter(bounds, oppositeLoc);
var center = RectUtil.GetCenter(bounds);
if (EnumUtil.HasAllFlags((int)dir, (int)Mkamo.Common.DataType.Directions.Left))
{
return(outerFrame.GetNearestPoint(new Point(bounds.Left, center.Y)));
}
else if (EnumUtil.HasAllFlags((int)dir, (int)Mkamo.Common.DataType.Directions.Right))
{
return(outerFrame.GetNearestPoint(new Point(bounds.Right, center.Y)));
}
else if (EnumUtil.HasAllFlags((int)dir, (int)Mkamo.Common.DataType.Directions.Up))
{
return(outerFrame.GetNearestPoint(new Point(center.X, bounds.Top)));
}
else
{
/// } else if (EnumUtil.HasFlag((int) dir, (int) Mkamo.Common.DataType.Directions.Left)) {
return(outerFrame.GetNearestPoint(new Point(center.X, bounds.Bottom)));
}
}
case ConnectionMethodKind.SideMidpointOfNearest: {
//var nearestLoc = outerFrame.GetNearestPoint(location);
var bounds = node.Bounds;
//var dir = RectUtil.GetDirectionStraightlyFromCenter(bounds, nearestLoc);
var dir = RectUtil.GetNearestLineDirection(bounds, location);
var center = RectUtil.GetCenter(bounds);
if (EnumUtil.HasAllFlags((int)dir, (int)Mkamo.Common.DataType.Directions.Left))
{
return(outerFrame.GetNearestPoint(new Point(bounds.Left, center.Y)));
}
else if (EnumUtil.HasAllFlags((int)dir, (int)Mkamo.Common.DataType.Directions.Right))
{
return(outerFrame.GetNearestPoint(new Point(bounds.Right, center.Y)));
}
else if (EnumUtil.HasAllFlags((int)dir, (int)Mkamo.Common.DataType.Directions.Up))
{
return(outerFrame.GetNearestPoint(new Point(center.X, bounds.Top)));
}
else
{
/// } else if (EnumUtil.HasFlag((int) dir, (int) Mkamo.Common.DataType.Directions.Left)) {
return(outerFrame.GetNearestPoint(new Point(center.X, bounds.Bottom)));
}
}
case ConnectionMethodKind.Nearest:
return(outerFrame.GetNearestPoint(location));
case ConnectionMethodKind.Center:
// todo: ちゃんと実装
// とりあえずこれでもCentralRouterが設定されていればすぐルーティングされるので問題なく動く
return(outerFrame.GetNearestPoint(location));
case ConnectionMethodKind.Comment:
if (anchor.Kind == ConnectionAnchorKind.Source)
{
var leftMiddle = new Point(node.Left, node.Top + node.Height / 2);
return(outerFrame.GetNearestPoint(leftMiddle));
//return outerFrame.GetNearestPoint(location);
}
else
{
var pt = node.GetConnectionPoint(_targetConnectionOption);
if (pt.HasValue)
{
return(pt.Value);
}
else
{
return(outerFrame.GetNearestPoint(location));
}
}
default:
return(outerFrame.GetNearestPoint(location));
}
}