public override StateController LeftMouseDownAt(Point point, int times)
{
var(closestEllipse, distanceEllipse) = GraphVisual.ClosestEllipseFrom(point);
var(closestLine, distanceLine) = GraphVisual.ClosestLineFrom(point);
var minDistance = Math.Min(distanceLine, distanceEllipse);
var valueRange = new Range(GraphVisual.NodeWidth / 2.0, GraphVisual.CanvasWidth - GraphVisual.NodeWidth / 2.0);
if (valueRange.Contains(point.X) && valueRange.Contains(point.Y))
{
if (times == 2 && minDistance > GraphVisual.NodeWidth)
{
var nodeValue = Enumerable.Range(1, int.MaxValue).First(x => !GraphVisual.Nodes.ContainsKey(x));
GraphVisual.AddNode(nodeValue, point);
return(this);
}
}
if (times == 1 && distanceEllipse < GraphVisual.NodeWidth)
{
return(StartedLineState.Create(GraphVisual, closestEllipse, point));
}
return(this);
}
private void SetGraph(GraphEmbedding graphEmbedding)
{
PauseButton_Click(null, null);
this.RunAlgorithmButton.IsEnabled = true;
this.StaticGraphCanvas.Children.Clear();
this.GraphVisual = GraphVisual.Create(StaticGraphCanvas, NodeBrush, NumBrush, LineBrush, PenLineCap);
foreach (var node in graphEmbedding.Graph.Nodes)
{
GraphVisual.AddNode(node, graphEmbedding.Embedding[node]);
}
foreach (var edge in graphEmbedding.Graph.Edges)
{
GraphVisual.AddEdge(edge);
}
var scaleViewStackPanel = new StackPanel();
this.ScaleViewViewer.Content = scaleViewStackPanel;
WeightsHandler.Create(scaleViewStackPanel, NodeBrush, LineBrush, GraphVisual.NodeWidth,
GraphVisual.MinLineThickness,
GraphVisual.MaxLineThickness, GraphVisual.MinWeight, GraphVisual.MaxWeight);
var edges = EdgesHandler.Create(this.WeightsViewer);
foreach (var edge in graphEmbedding.Graph.Edges)
{
edges.AddEdge(edge, active: false);
}
}