public ConnectorAdorner(DesignCanvas canvas, Connector sourceConnector)
: base(canvas)
{
this.designCanvas = canvas;
this.sourceConnector = sourceConnector;
drawingPen = new Pen(Brushes.LightSlateGray, 1);
drawingPen.LineJoin = PenLineJoin.Round;
this.Cursor = Cursors.Cross;
}
public Connection(Connector source, Connector sink,ConnectionShapeInfo connectionShapeInfo=null)
{
var connectionShapInfo = connectionShapeInfo;
var designConnectionInfo = (DesignConnectionInfo)null;
if (connectionShapeInfo != null)
{
designConnectionInfo=new DesignConnectionInfo(connectionShapInfo);
}
else
{
var shapInfo = new ConnectionShapeInfo();
designConnectionInfo = new DesignConnectionInfo(shapInfo);
}
var currentDate = DateTime.Now;
designConnectionInfo.CreateDate = currentDate;
designConnectionInfo.ModifyDate = currentDate;
designConnectionInfo.SourceID = source.ParentDesignItem.ID;
designConnectionInfo.SourceOrientation = source.Orientation;
designConnectionInfo.SinkID = sink.ParentDesignItem.ID;
designConnectionInfo.SinkOrientation = sink.Orientation;
this.ShapeInfoUnit = new ConnectionShapeInfoUnit(designConnectionInfo);
if (designConnectionInfo.SourceSvgBuffer != null)
{
using (var stream = new MemoryStream(designConnectionInfo.SourceSvgBuffer))
{
(this.ShapeInfoUnit as ConnectionShapeInfoUnit).SourceSvgDrawing = SvgHelper.CreateSvgViewBox(stream);
}
}
if (designConnectionInfo.SinkSvgBuffer != null)
{
using (var stream = new MemoryStream(designConnectionInfo.SinkSvgBuffer))
{
(this.ShapeInfoUnit as ConnectionShapeInfoUnit).SinkSvgDrawing = SvgHelper.CreateSvgViewBox(stream);
}
}
this.SetBinding(Connection.TextProperty, BindingHelper.CreateBinding(designConnectionInfo, "Text"));
this.SetBinding(DesignCanvas.ZIndexProperty, BindingHelper.CreateBinding(designConnectionInfo, "ZIndex"));
designConnectionInfo.PropertyChanged += (obj, e) =>
{
if (e.PropertyName.Equals("PathGeometry"))
{
UpdateAnchorPosition();
}
};
this.ID = Guid.NewGuid();
this.Source = source;
this.Sink = sink;
//base.Unloaded += new RoutedEventHandler(Connection_Unloaded); //Resolve the issue of swithing tabItem
base.SelectChanged += (a, b) =>
{
if (this.IsSelected) ShowAdorner();
else HideAdorner();
};
}
void thumbDragThumb_DragStarted(object sender, DragStartedEventArgs e)
{
this.HitDesignItem = null;
this.HitConnector = null;
this.pathGeometry = null;
this.Cursor = Cursors.Cross;
this.connection.StrokeDashArray = new DoubleCollection(new double[] { 1, 2 });
if (sender == sourceDragThumb)
{
fixConnector = connection.Sink;
dragConnector = connection.Source;
}
else if (sender == sinkDragThumb)
{
dragConnector = connection.Sink;
fixConnector = connection.Source;
}
}
