private void DrawFlowPath(FWLine fwLine, FWSymbol startConnector, FWSymbol endConnector)
{
Point[] startPoints = startConnector.RectPoints;
Point[] endPoints = endConnector.RectPoints;
double minDistance = double.MaxValue;
double distance;
int shortestI = -1, shortestJ = -1;
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
distance = GetDistance(startPoints[i], endPoints[j]);
if (minDistance > distance)
{
minDistance = distance;
shortestI = i;
shortestJ = j;
}
}
}
fwLine.DrawLine(startPoints[shortestI], endPoints[shortestJ]);
}
public FWLineWindow(FWLine fwLine)
{
InitializeComponent();
FlowLine = fwLine;
this.DataContext = fwLine;
}
private void FlowComponent_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
FWLine fwLine = FWSymbol as FWLine;
fwLine.IsSelected = true;
fwLine.Thickness = 3;
FlowchartDesigner.ReconnectLine();
FlowManager.Instance.ActionWindow.ChangePanel(fwLine.SymbolActionWindow);
}
public FlowComponent(FWLine fwLine, FlowchartDesigner flowchartDesigner)
{
InitializeComponent();
FlowchartDesigner = flowchartDesigner;
SetValue(Canvas.TopProperty, fwLine.Top);
SetValue(Canvas.LeftProperty, fwLine.Left);
this.Content = fwLine.Line;
this.FWSymbol = fwLine;
HideSelection();
this.MouseDown += FlowComponent_MouseDown;
}
private void ConnectLine(FWSymbol startConnector, FWSymbol endConnector)
{
if (startConnector.EndConnector != null)
{
return;
}
FWLine fwLine = new FWLine
{
StartConnector = startConnector,
EndConnector = endConnector
};
if (startConnector is FWDecision fwDecision)
{
if (fwDecision.EndConnector[0] == null)
{
fwDecision.EndConnector[0] = fwLine;
}
else if (fwDecision.EndConnector[1] == null)
{
fwDecision.EndConnector[1] = fwLine;
}
else
{
return;
}
endConnector.StartConnector = fwLine;
}
else
{
startConnector.EndConnector = fwLine;
endConnector.StartConnector = fwLine;
}
FWSymbolList.Add(fwLine);
DrawFlowPath(fwLine, startConnector, endConnector);
FlowComponent flowComponent = new FlowComponent(fwLine, this);
canvasArea.Children.Add(flowComponent);
}
