public bool HasAdjacent(ClientLinkable next)
{
foreach (var e in _edges)
if (e.GetLinkable1() == next || e.GetLinkable2() == next)
return true;
return false;
}
public static Point GetAnchorCoords(ClientLinkable end, AnchorPoint anchorPoint)
{
var border = end.GetBounds();
border.Inflate(20, 20);
switch (anchorPoint)
{
case AnchorPoint.TopLeft:
return(border.TopLeft);
case AnchorPoint.TopCenter:
return(new Point(border.X + border.Width / 2, border.Y));
case AnchorPoint.TopRight:
return(border.TopRight);
case AnchorPoint.LeftCenter:
return(new Point(border.X, border.Y + border.Height / 2));
case AnchorPoint.BottomLeft:
return(border.BottomLeft);
case AnchorPoint.BottomCenter:
return(new Point(border.X + border.Width / 2, border.Y + border.Height));
case AnchorPoint.BottomRight:
return(border.BottomRight);
case AnchorPoint.RightCenter:
return(new Point(border.X + border.Width, border.Y + border.Height / 2));
default:
throw new NotSupportedException();
}
}
public bool HasAdjacent(ClientLinkable next)
{
foreach (var e in _edges)
{
if (e.GetLinkable1() == next || e.GetLinkable2() == next)
{
return(true);
}
}
return(false);
}
VdClusterLink PlayLinkCreate(ClientLinkable end1, ClientLinkable end2,
int shapeId, int initOwnerId, bool takeCursor)
{
ShapeIdGenerator.Instance.CorrectLowBound(initOwnerId, shapeId);
var res = new VdClusterLink(end1, end2, shapeId, initOwnerId);
end1.AddEdge(res);
end2.AddEdge(res);
//no post handler for cluster link
this.Add(res);
DocTools.SortScene(_scene);
//no initial lock, as link is created in free state (no pressed buttons)
return(res);
}
public VdClusterLink(ClientLinkable end1, ClientLinkable end2,
int shapeId, int owner) :
base(owner, shapeId)
{
_end1 = end1;
_end2 = end2;
initLine(DaoUtils.UserIdToColor(owner));
//wait until actual size is set
line.Dispatcher.BeginInvoke(new Action(() =>
{
NotifyLinkableMoved();
}),
System.Windows.Threading.DispatcherPriority.Background);
RemoveFocus();
updateUserCursor();
}
public VdClusterLink(ClientLinkable end1, ClientLinkable end2,
int shapeId, int owner):
base(owner, shapeId)
{
_end1 = end1;
_end2 = end2;
initLine(DaoUtils.UserIdToColor(owner));
//wait until actual size is set
line.Dispatcher.BeginInvoke(new Action(() =>
{
NotifyLinkableMoved();
}),
System.Windows.Threading.DispatcherPriority.Background);
RemoveFocus();
updateUserCursor();
}
public static void GetLinkPoints(ClientLinkable s, ClientLinkable t,
out double x1, out double y1,
out double x2, out double y2)
{
x1 = 0;
y1 = 0;
x2 = 0;
y2 = 0;
var sBounds = s.GetBounds();
// sBounds.Inflate(10,10);
// sBounds.X += 5;
// sBounds.Y += 15;
var tBounds = t.GetBounds();
// tBounds.Inflate(10,10);
// tBounds.X += 5;
// tBounds.Y += 15;
//c is point center of <s-t>, lambda is in [0,1]
var xs = sBounds.X + sBounds.Width / 2;
var ys = sBounds.Y + sBounds.Height / 2;
var xt = tBounds.X + tBounds.Width / 2;
var yt = tBounds.Y + tBounds.Height / 2;
var xc = (xs + xt) * 0.5;
var yc = (ys + yt) * 0.5;
//s-anchor
EdgeFinder((double x, double y) => sBounds.Contains(x, y),
xs, ys, xc, yc, 5, out x1, out y1);
//t-anchor
EdgeFinder((double x, double y) => tBounds.Contains(x, y),
xt, yt, xc, yc, 5, out x2, out y2);
}
private VdClusterLink PlayLinkCreate(ClientLinkable end1, ClientLinkable end2,
int shapeId, int initOwnerId, bool takeCursor,
LinkHeadType linkHead)
{
ShapeIdGenerator.Instance.CorrectLowBound(initOwnerId, shapeId);
var res = new VdClusterLink(end1, end2, shapeId, initOwnerId, this, linkHead);
_shapePostHandler(res, VdShapeType.ClusterLink);
end1.AddEdge(res);
end2.AddEdge(res);
if (!_shapeVisibility)
{
res.Hide();
}
//no post handler for cluster link
this.Add(res);
DocTools.SortScene(_scene);
//no initial lock, as link is created in free state (no pressed buttons)
return(res);
}
VdClusterLink PlayLinkCreate(ClientLinkable end1, ClientLinkable end2,
int shapeId, int initOwnerId, bool takeCursor)
{
ShapeIdGenerator.Instance.CorrectLowBound(initOwnerId, shapeId);
var res = new VdClusterLink(end1, end2, shapeId, initOwnerId);
end1.AddEdge(res);
end2.AddEdge(res);
//no post handler for cluster link
this.Add(res);
DocTools.SortScene(_scene);
//no initial lock, as link is created in free state (no pressed buttons)
return res;
}
public static void GetLinkPoints(ClientLinkable s, ClientLinkable t,
out double x1, out double y1,
out double x2, out double y2)
{
x1 = 0;
y1 = 0;
x2 = 0;
y2 = 0;
var sBounds = s.GetBounds();
// sBounds.Inflate(10,10);
// sBounds.X += 5;
// sBounds.Y += 15;
var tBounds = t.GetBounds();
// tBounds.Inflate(10,10);
// tBounds.X += 5;
// tBounds.Y += 15;
//c is point center of <s-t>, lambda is in [0,1]
var xs = sBounds.X + sBounds.Width/2;
var ys = sBounds.Y + sBounds.Height/2;
var xt = tBounds.X + tBounds.Width / 2;
var yt = tBounds.Y + tBounds.Height / 2;
var xc = (xs + xt) * 0.5;
var yc = (ys + yt) * 0.5;
//s-anchor
EdgeFinder((double x, double y)=>sBounds.Contains(x, y),
xs, ys, xc, yc, 5, out x1, out y1);
//t-anchor
EdgeFinder((double x, double y) => tBounds.Contains(x, y),
xt, yt, xc, yc, 5, out x2, out y2);
}
//returns anchor point on searchTarget nearest to pivot
public static void NearestAnchor(Point pivot, ClientLinkable searchTarget,
out AnchorPoint anchor, out Point anchorPoint,
out double minDist)
{
anchor = AnchorPoint.RightCenter;
minDist = double.MaxValue;
//double d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.TopLeft));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.TopLeft;
//}
var d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.TopCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.TopCenter;
}
//d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.TopRight));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.TopRight;
//}
d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.LeftCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.LeftCenter;
}
//d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.BottomLeft));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.BottomLeft;
//}
d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.BottomCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.BottomCenter;
}
//d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.BottomRight));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.BottomRight;
//}
d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.RightCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.RightCenter;
}
minDist = Math.Sqrt(minDist);
anchorPoint = GetAnchorCoords(searchTarget, anchor);
}
public static Point GetAnchorCoords(ClientLinkable end, AnchorPoint anchorPoint)
{
var border = end.GetBounds();
border.Inflate(20,20);
switch (anchorPoint)
{
case AnchorPoint.TopLeft:
return border.TopLeft;
case AnchorPoint.TopCenter:
return new Point(border.X + border.Width / 2, border.Y);
case AnchorPoint.TopRight:
return border.TopRight;
case AnchorPoint.LeftCenter:
return new Point(border.X, border.Y + border.Height / 2);
case AnchorPoint.BottomLeft:
return border.BottomLeft;
case AnchorPoint.BottomCenter:
return new Point(border.X + border.Width / 2, border.Y + border.Height);
case AnchorPoint.BottomRight:
return border.BottomRight;
case AnchorPoint.RightCenter:
return new Point(border.X + border.Width, border.Y + border.Height / 2);
default:
throw new NotSupportedException();
}
}
//returns anchor point on searchTarget nearest to pivot
public static void NearestAnchor(Point pivot, ClientLinkable searchTarget,
out AnchorPoint anchor, out Point anchorPoint,
out double minDist)
{
anchor = AnchorPoint.RightCenter;
minDist = double.MaxValue;
//double d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.TopLeft));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.TopLeft;
//}
var d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.TopCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.TopCenter;
}
//d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.TopRight));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.TopRight;
//}
d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.LeftCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.LeftCenter;
}
//d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.BottomLeft));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.BottomLeft;
//}
d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.BottomCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.BottomCenter;
}
//d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.BottomRight));
//if (d < minDist)
//{
// minDist = d;
// anchor = AnchorPoint.BottomRight;
//}
d = Dist2(pivot, GetAnchorCoords(searchTarget, AnchorPoint.RightCenter));
if (d < minDist)
{
minDist = d;
anchor = AnchorPoint.RightCenter;
}
minDist = Math.Sqrt(minDist);
anchorPoint = GetAnchorCoords(searchTarget, anchor);
}
private VdClusterLink PlayLinkCreate(ClientLinkable end1, ClientLinkable end2,
int shapeId, int initOwnerId, bool takeCursor,
LinkHeadType linkHead)
{
ShapeIdGenerator.Instance.CorrectLowBound(initOwnerId, shapeId);
var res = new VdClusterLink(end1, end2, shapeId, initOwnerId, this, linkHead);
_shapePostHandler(res, VdShapeType.ClusterLink);
end1.AddEdge(res);
end2.AddEdge(res);
if (!_shapeVisibility)
res.Hide();
//no post handler for cluster link
this.Add(res);
DocTools.SortScene(_scene);
//no initial lock, as link is created in free state (no pressed buttons)
return res;
}
