protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
foreach (var paintObject in EndPaintObjects.Union(BeginPaintObjects))
{
if (paintObject.TitleBar.Contains(e.Location))
{
if (ObjectTitleClicked != null)
{
ObjectTitleClicked(this, new ItemClickedEventArgs(new ChildPosition
{
Parent = paintObject.Parent
}));
}
}
}
if (BeginPoint != null && EndPoint != null && BeginPoint.Child != EndPoint.Child)
{
if (ConnectChange != null && BeginPoint != EndPoint)
{
ConnectChange(this, new UpdateConnectEventArgs(EndPoint, BeginPoint));
}
BeginPoint = null;
Refresh();
}
else
{
ChildPosition beginPoint = null;
foreach (var point in BeginPoints.Union(EndPoints))
{
if (point.IsNearPoint(e.X, e.Y))
{
if (ItemClicked != null)
{
beginPoint = point;
}
}
}
if (beginPoint != null)
{
ItemClicked(this, new ItemClickedEventArgs(beginPoint));
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (!DesignMode && EndPaintObjects != null && BeginPaintObjects != null)
{
BeginPoints.Clear();
EndPoints.Clear();
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
var top = 40F;
var beginHeight = 40F;
var maxBeginWidth = 0F;
foreach (var beginObject in BeginPaintObjects)
{
var beginSize = beginObject.Paint(e.Graphics, BeginPoints, EndPoints, 40, top);
if (maxBeginWidth < beginSize.Width)
{
maxBeginWidth = beginSize.Width;
}
top += beginSize.Height + 10;
beginHeight += beginSize.Height + 10;
}
var endHeight = 40F;
var controlWidth = maxBeginWidth + 240;
foreach (var endObject in EndPaintObjects)
{
var endSize = endObject.Paint(e.Graphics, BeginPoints, EndPoints, maxBeginWidth + 240, endHeight);
if (controlWidth < maxBeginWidth + 240 + endSize.Width + 10)
{
controlWidth = maxBeginWidth + 240 + endSize.Width + 10;
}
endHeight += endSize.Height + 10;
}
var controlHeight = Math.Max(endHeight, beginHeight);
foreach (var beginPoint in BeginPoints)
{
foreach (var endPoint in EndPoints)
{
var ev = new UpdateConnectEventArgs(beginPoint, endPoint);
UpdateConnect(this, ev);
if (ev.IsConnect)
{
e.Graphics.DrawLine(new Pen(ev.ConnectorColor), endPoint.Position, beginPoint.Position);
}
}
}
if (BeginPoint != null)
{
var beginPos = BeginPoint.Position;
e.Graphics.DrawEllipse(Pens.Blue, beginPos.X - 5, beginPos.Y - 5, 10, 10);
if (EndPoint != null)
{
var endPos = EndPoint.Position;
e.Graphics.DrawEllipse(Pens.Blue, endPos.X - 5, endPos.Y - 5, 10, 10);
e.Graphics.DrawLine(Pens.Blue, beginPos.X, beginPos.Y, endPos.X, endPos.Y);
}
else
{
e.Graphics.DrawLine(Pens.Blue, beginPos.X, beginPos.Y, EndMousePoint.X, EndMousePoint.Y);
}
}
Size = new Size(Convert.ToInt32(controlWidth), Convert.ToInt32(controlHeight));
}
}
private void OnDestroy()
{
List.Remove(this);
BeginPoints.Remove(this);
FinalPoints.Remove(this);
}
protected virtual void Start()
{
List.Add(this);
BeginPoints.Add(this, startPosition);
FinalPoints.Add(this, endPosition);
}
