private static Point GetOffsetPoint(ModelConnectorInfo connector, Rect rect)
{
Point offsetPoint = new Point();
switch (connector.Orientation)
{
case EnumConnectorOrientation.Left:
offsetPoint = new Point(rect.Left, connector.Position.Y);
break;
case EnumConnectorOrientation.Top:
offsetPoint = new Point(connector.Position.X, rect.Top);
break;
case EnumConnectorOrientation.Right:
offsetPoint = new Point(rect.Right, connector.Position.Y);
break;
case EnumConnectorOrientation.Bottom:
offsetPoint = new Point(connector.Position.X, rect.Bottom);
break;
default:
break;
}
return(offsetPoint);
}
private static Point GetNearestNeighborSource(ModelConnectorInfo source, Point endPoint, Rect rectSource, Rect rectSink, out bool flag)
{
Point n1, n2; // neighbors
GetNeighborCorners(source.Orientation, rectSource, out n1, out n2);
if (rectSink.Contains(n1))
{
flag = false;
return(n2);
}
if (rectSink.Contains(n2))
{
flag = true;
return(n1);
}
if ((Distance(n1, endPoint) <= Distance(n2, endPoint)))
{
flag = true;
return(n1);
}
else
{
flag = false;
return(n2);
}
}
private static void CheckPathEnd(ModelConnectorInfo source, ModelConnectorInfo sink, bool showLastLine, List <Point> linePoints)
{
if (showLastLine)
{
Point startPoint = new Point(0, 0);
Point endPoint = new Point(0, 0);
double marginPath = 15;
switch (source.Orientation)
{
case EnumConnectorOrientation.Left:
startPoint = new Point(source.Position.X - marginPath, source.Position.Y);
break;
case EnumConnectorOrientation.Top:
startPoint = new Point(source.Position.X, source.Position.Y - marginPath);
break;
case EnumConnectorOrientation.Right:
startPoint = new Point(source.Position.X + marginPath, source.Position.Y);
break;
case EnumConnectorOrientation.Bottom:
startPoint = new Point(source.Position.X, source.Position.Y + marginPath);
break;
default:
break;
}
switch (sink.Orientation)
{
case EnumConnectorOrientation.Left:
endPoint = new Point(sink.Position.X - marginPath, sink.Position.Y);
break;
case EnumConnectorOrientation.Top:
endPoint = new Point(sink.Position.X, sink.Position.Y - marginPath);
break;
case EnumConnectorOrientation.Right:
endPoint = new Point(sink.Position.X + marginPath, sink.Position.Y);
break;
case EnumConnectorOrientation.Bottom:
endPoint = new Point(sink.Position.X, sink.Position.Y + marginPath);
break;
default:
break;
}
linePoints.Insert(0, startPoint);
linePoints.Add(endPoint);
}
else
{
linePoints.Insert(0, source.Position);
linePoints.Add(sink.Position);
}
}
private static Rect GetRectWithMargin(ModelConnectorInfo connectorThumb, double margin)
{
Rect rect = new Rect(connectorThumb.DesignerItemLeft,
connectorThumb.DesignerItemTop,
connectorThumb.DesignerItemSize.Width,
connectorThumb.DesignerItemSize.Height);
rect.Inflate(margin, margin);
return(rect);
}
internal ModelConnectorInfo GetInfo()
{
ModelConnectorInfo info = new ModelConnectorInfo();
info.DesignerItemLeft = ViewModelDesignerCanvas.GetLeft(this.ParentDesignerItem);
info.DesignerItemTop = ViewModelDesignerCanvas.GetTop(this.ParentDesignerItem);
info.DesignerItemSize = new Size(this.ParentDesignerItem.ActualWidth, this.ParentDesignerItem.ActualHeight);
info.Orientation = this.Orientation;
info.Position = this.Position;
info.ToolTip = this.ToolTip.ToString();
return(info);
}
protected override void OnMouseUp(MouseButtonEventArgs e)
{
if (HitConnector != null)
{
if (this.sourceConnector.Orientation.ToString() != "Top" && this.HitConnector.Orientation.ToString() == "Top" &&
this.sourceConnector.Connections.Count == 0)
{
ModelChildStateObject SinkconnObj = new ModelChildStateObject();
ModelParentStateObject SourceConnObj = new ModelParentStateObject();
DockPanel Sourcepnl = (DockPanel)this.sourceConnector.ParentDesignerItem.Content;
DockPanel Sinkpnl = (DockPanel)this.HitConnector.ParentDesignerItem.Content;
ModelConnectorInfo SourceConnInfo = this.sourceConnector.GetInfo();
//Bağlanılan state'in Child'ına atanır
SinkconnObj.SourcePoint = this.sourceConnector.Position;
SinkconnObj.SinkPoint = this.HitConnector.Position;
SinkconnObj.ChildId = Sinkpnl.Uid;
SinkconnObj.ChildType = Sinkpnl.Tag.ToString();
//bağlanan state'in Parent'ına atanır
SourceConnObj.SourcePoint = this.sourceConnector.Position;
SourceConnObj.SinkPoint = this.HitConnector.Position;
SourceConnObj.ParentId = Sourcepnl.Uid;
SourceConnObj.ParentType = Sourcepnl.Tag.ToString();
SourceConnObj.PropertyName = SourceConnInfo.ToolTip;
//
if (ArrangeProperties(SinkconnObj, SourceConnObj, Sourcepnl, Sinkpnl))
{
ViewModelConnector sourceConnector = this.sourceConnector;
ViewModelConnector sinkConnector = this.HitConnector;
sourceConnector.DesignerItemName = Sourcepnl.Tag.ToString();
sourceConnector.Name = SourceConnInfo.ToolTip.ToString();
sinkConnector.DesignerItemName = Sinkpnl.Tag.ToString();
sinkConnector.Name = "Top";
ViewModelConnection newConnection = new ViewModelConnection(sourceConnector, sinkConnector);
newConnection.SourceToolTip = SourceConnObj.PropertyName;
newConnection.SourceDesignerItemId = Sourcepnl.Name;
newConnection.SinkDesignerItemId = Sinkpnl.Name;
Canvas.SetZIndex(newConnection, designerCanvas.Children.Count);
this.designerCanvas.Children.Add(newConnection);
}
}
else
{
MessageBox.Show("Bağlantıyı doğru şekilde yapınız.!");
}
}
if (HitDesignerItem != null)
{
this.HitDesignerItem.IsDragConnectionOver = false;
}
if (this.IsMouseCaptured)
{
this.ReleaseMouseCapture();
}
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.designerCanvas);
if (adornerLayer != null)
{
adornerLayer.Remove(this);
}
}
private static Point GetNearestVisibleNeighborSink(Point currentPoint, Point endPoint, ModelConnectorInfo sink, Rect rectSource, Rect rectSink)
{
Point s1, s2; // neighbors on sink side
GetNeighborCorners(sink.Orientation, rectSink, out s1, out s2);
bool flag1 = IsPointVisible(currentPoint, s1, new Rect[] { rectSource, rectSink });
bool flag2 = IsPointVisible(currentPoint, s2, new Rect[] { rectSource, rectSink });
if (flag1) // s1 visible
{
if (flag2) // s1 and s2 visible
{
if (rectSink.Contains(s1))
{
return(s2);
}
if (rectSink.Contains(s2))
{
return(s1);
}
if ((Distance(s1, endPoint) <= Distance(s2, endPoint)))
{
return(s1);
}
else
{
return(s2);
}
}
else
{
return(s1);
}
}
else // s1 not visible
{
if (flag2) // only s2 visible
{
return(s2);
}
else // s1 and s2 not visible
{
return(new Point(double.NaN, double.NaN));
}
}
}
internal static List <Point> GetConnectionLine(ModelConnectorInfo source, Point sinkPoint, EnumConnectorOrientation preferredOrientation)
{
List <Point> linePoints = new List <Point>();
Rect rectSource = GetRectWithMargin(source, 10);
Point startPoint = GetOffsetPoint(source, rectSource);
Point endPoint = sinkPoint;
linePoints.Add(startPoint);
Point currentPoint = startPoint;
if (!rectSource.Contains(endPoint))
{
while (true)
{
if (IsPointVisible(currentPoint, endPoint, new Rect[] { rectSource }))
{
linePoints.Add(endPoint);
break;
}
bool sideFlag;
Point n = GetNearestNeighborSource(source, endPoint, rectSource, out sideFlag);
linePoints.Add(n);
currentPoint = n;
if (IsPointVisible(currentPoint, endPoint, new Rect[] { rectSource }))
{
linePoints.Add(endPoint);
break;
}
else
{
Point n1, n2;
GetOppositeCorners(source.Orientation, rectSource, out n1, out n2);
if (sideFlag)
{
linePoints.Add(n1);
}
else
{
linePoints.Add(n2);
}
linePoints.Add(endPoint);
break;
}
}
}
else
{
linePoints.Add(endPoint);
}
if (preferredOrientation != EnumConnectorOrientation.None)
{
linePoints = OptimizeLinePoints(linePoints, new Rect[] { rectSource }, source.Orientation, preferredOrientation);
}
else
{
linePoints = OptimizeLinePoints(linePoints, new Rect[] { rectSource }, source.Orientation, GetOpositeOrientation(source.Orientation));
}
return(linePoints);
}
internal static List <Point> GetConnectionLine(ModelConnectorInfo source, ModelConnectorInfo sink, bool showLastLine)
{
List <Point> linePoints = new List <Point>();
Rect rectSource = GetRectWithMargin(source, margin);
Rect rectSink = GetRectWithMargin(sink, margin);
Point startPoint = GetOffsetPoint(source, rectSource);
Point endPoint = GetOffsetPoint(sink, rectSink);
linePoints.Add(startPoint);
Point currentPoint = startPoint;
if (!rectSink.Contains(currentPoint) && !rectSource.Contains(endPoint))
{
while (true)
{
#region source node
if (IsPointVisible(currentPoint, endPoint, new Rect[] { rectSource, rectSink }))
{
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
Point neighbour = GetNearestVisibleNeighborSink(currentPoint, endPoint, sink, rectSource, rectSink);
if (!double.IsNaN(neighbour.X))
{
linePoints.Add(neighbour);
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
if (currentPoint == startPoint)
{
bool flag;
Point n = GetNearestNeighborSource(source, endPoint, rectSource, rectSink, out flag);
linePoints.Add(n);
currentPoint = n;
if (!IsRectVisible(currentPoint, rectSink, new Rect[] { rectSource }))
{
Point n1, n2;
GetOppositeCorners(source.Orientation, rectSource, out n1, out n2);
if (flag)
{
linePoints.Add(n1);
currentPoint = n1;
}
else
{
linePoints.Add(n2);
currentPoint = n2;
}
if (!IsRectVisible(currentPoint, rectSink, new Rect[] { rectSource }))
{
if (flag)
{
linePoints.Add(n2);
currentPoint = n2;
}
else
{
linePoints.Add(n1);
currentPoint = n1;
}
}
}
}
#endregion
#region sink node
else // from here on we jump to the sink node
{
Point n1, n2; // neighbour corner
Point s1, s2; // opposite corner
GetNeighborCorners(sink.Orientation, rectSink, out s1, out s2);
GetOppositeCorners(sink.Orientation, rectSink, out n1, out n2);
bool n1Visible = IsPointVisible(currentPoint, n1, new Rect[] { rectSource, rectSink });
bool n2Visible = IsPointVisible(currentPoint, n2, new Rect[] { rectSource, rectSink });
if (n1Visible && n2Visible)
{
if (rectSource.Contains(n1))
{
linePoints.Add(n2);
if (rectSource.Contains(s2))
{
linePoints.Add(n1);
linePoints.Add(s1);
}
else
{
linePoints.Add(s2);
}
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
if (rectSource.Contains(n2))
{
linePoints.Add(n1);
if (rectSource.Contains(s1))
{
linePoints.Add(n2);
linePoints.Add(s2);
}
else
{
linePoints.Add(s1);
}
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
if ((Distance(n1, endPoint) <= Distance(n2, endPoint)))
{
linePoints.Add(n1);
if (rectSource.Contains(s1))
{
linePoints.Add(n2);
linePoints.Add(s2);
}
else
{
linePoints.Add(s1);
}
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
else
{
linePoints.Add(n2);
if (rectSource.Contains(s2))
{
linePoints.Add(n1);
linePoints.Add(s1);
}
else
{
linePoints.Add(s2);
}
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
}
else if (n1Visible)
{
linePoints.Add(n1);
if (rectSource.Contains(s1))
{
linePoints.Add(n2);
linePoints.Add(s2);
}
else
{
linePoints.Add(s1);
}
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
else
{
linePoints.Add(n2);
if (rectSource.Contains(s2))
{
linePoints.Add(n1);
linePoints.Add(s1);
}
else
{
linePoints.Add(s2);
}
linePoints.Add(endPoint);
currentPoint = endPoint;
break;
}
}
#endregion
}
}
else
{
linePoints.Add(endPoint);
}
linePoints = OptimizeLinePoints(linePoints, new Rect[] { rectSource, rectSink }, source.Orientation, sink.Orientation);
CheckPathEnd(source, sink, showLastLine, linePoints);
return(linePoints);
}
