private void PushPendingDragLine()
{
if (dragLine != null)
{
return;
}
var layer = this.Renderer as StoryboardLayer;
var storyboard = layer.Storyboard;
dragLine = storyboard
.CreatePendingConnectedLine(
GetDragLineStartPosition,
GetDragLineEndPosition);
dragLine.Line.Opacity = 0.5;
dragLine.Released += DragLine_Released;
}
private void PopPendingDragLine()
{
if (dragLine == null)
{
return;
}
// Release -> Released -> OnDragLineReleased -> PopPendingDragLine
if (dragLine.IsConnected)
{
dragLine.Release();
return;
}
dragLine.Released -= DragLine_Released;
dragLine = null;
var layer = this.Renderer as StoryboardLayer;
var storyboard = layer.Storyboard;
// Pop Pending Drag Line
storyboard.PopPendingConnectedLine();
}
/// <summary>
/// 연결점을 시각적으로 동기화시켜주는 <see cref="LineConnectorBase"/>를 생성합니다.
/// </summary>
/// <param name="startPosition"></param>
/// <param name="endPosition"></param>
/// <returns></returns>
public LineConnectorBase CreateConnectedLine(
Func <LineConnectorBase, Point> startPosition,
Func <LineConnectorBase, Point> endPosition)
{
var connector = new LineConnectorBase(this, startPosition, endPosition);
if (ZoomPanel != null)
{
connector.Line.LineBrush = Brushes.DimGray;
BindingHelper.SetBinding(
ZoomPanel, ZoomPanel.ScaleProperty,
connector.Line, BezierLine.StrokeThicknessProperty,
converter: new ReciprocalConverter()
{
Factor = 2
});
}
LineLayer.Add(connector.Line);
lineCollection.Add(connector);
return(connector);
}
