protected internal void SetHandles(Handles handles)
{
mHandles = handles;
}
//Create a list of handles
protected override void CreateHandles()
{
if (Container == null)
{
return;
}
SetHandles(new Handles());
IRender render = RenderFromContainer();
GraphicsPath defaultPath;
GraphicsPath path;
Matrix matrix = new Matrix();
RectangleF pathRectangle;
RectangleF halfRectangle;
PointF point;
//Add any other handles
if (Points.Count > 3)
{
//Get the default graphics path and scale it
defaultPath = (GraphicsPath)Component.Instance.DefaultLargeHandlePath.Clone();
matrix.Scale(render.ZoomFactor, render.ZoomFactor);
defaultPath.Transform(matrix);
pathRectangle = defaultPath.GetBounds();
halfRectangle = new RectangleF(0, 0, pathRectangle.Width / 2, pathRectangle.Height / 2);
//Loop through each point and add an orthogonal handle
for (int i = 0; i < Points.Count; i++)
{
if (i > 1 && i < Points.Count - 1)
{
//get the middle point for this segment
PointF current = (PointF)Points[i];
PointF previous = (PointF)Points[i - 1];
point = Geometry.GetMiddlePoint(current, previous);
//Determine which kind of handle
HandleType handleType = (current.X == previous.X) ? HandleType.LeftRight : HandleType.UpDown;
path = (GraphicsPath)defaultPath.Clone();
matrix.Reset();
//Offset the path to the points location
//matrix.Translate(point.X - Rectangle.X - halfRectangle.Width,point.Y - Rectangle.Y - halfRectangle.Height);
matrix.Translate(point.X - Rectangle.X - halfRectangle.Width, point.Y - Rectangle.Y - halfRectangle.Height);
//Rotate the handle 90 degrees if left right handle
if (handleType == HandleType.LeftRight)
{
matrix.RotateAt(90, new PointF(pathRectangle.Width / 2, pathRectangle.Height / 2));
}
path.Transform(matrix);
Handles.Add(new ConnectorHandle(path, handleType, i));
}
}
}
defaultPath = (GraphicsPath)Component.Instance.DefaultHandlePath.Clone();
matrix = new Matrix();
matrix.Scale(render.ZoomFactor, render.ZoomFactor);
defaultPath.Transform(matrix);
pathRectangle = defaultPath.GetBounds();
halfRectangle = new RectangleF(0, 0, pathRectangle.Width / 2, pathRectangle.Height / 2);
//Add first and last points
point = (PointF)Points[0];
path = (GraphicsPath)defaultPath.Clone();
matrix.Reset();
matrix.Translate(point.X - Rectangle.X - halfRectangle.Width, point.Y - Rectangle.Y - halfRectangle.Height);
path.Transform(matrix);
Handles.Insert(0, new Handle(path, HandleType.Origin, true));
point = (PointF)Points[Points.Count - 1];
path = (GraphicsPath)defaultPath.Clone();
matrix.Reset();
matrix.Translate(point.X - Rectangle.X - halfRectangle.Width, point.Y - Rectangle.Y - halfRectangle.Height);
path.Transform(matrix);
Handles.Add(new Handle(path, HandleType.Origin, true));
}