public void DrawVertex(double x, double y, MouseButtonEventHandler MouseLeftButtonUp, MouseButtonEventHandler MouseLeftButtonDown, MouseEventHandler MouseMove)
{
string Name = (Graph.Vertices.Count).ToString();
Viewbox viewbox = UICreator.CreateViewBox("vertex");
viewbox.MouseLeftButtonUp += MouseLeftButtonUp;
viewbox.MouseLeftButtonDown += MouseLeftButtonDown;
viewbox.MouseMove += MouseMove;
SetElementCanvasPosition(viewbox, x, y);
Grid grid = new Grid();
Ellipse ellipse = UICreator.CreateEllipse(x, y, 20, 20);
TextBlock text = UICreator.CreateTextBlock(Name);
text.IsEnabled = false;
text.HorizontalAlignment = HorizontalAlignment.Center;
text.VerticalAlignment = VerticalAlignment.Center;
grid.Children.Add(ellipse);
grid.Children.Add(text);
viewbox.Child = grid;
Panel.SetZIndex(viewbox, 1);
Canvas.Children.Add(viewbox);
Vertex vertex = new Vertex(viewbox);
Graph.AddVertex(vertex);
}
public void DrawEdge(Viewbox ViewBox1, Viewbox ViewBox2, KeyEventHandler TextboxHandler,
MouseButtonEventHandler MouseEvent)
{
if (Graph.FindEdge(Graph.FindVertex(
ExtractElementFromViewBox <TextBlock>(ViewBox1).Text),
Graph.FindVertex(ExtractElementFromViewBox <TextBlock>(ViewBox2).Text)) != null)
{
CancelSelection(GetFrameworkElementCollection <Button>().FirstOrDefault(b => b.Name == "FindPathButton"));
return;
}
Point point1 = GetControlPositionOnCanvas(ViewBox1);
Point point2 = GetControlPositionOnCanvas(ViewBox2);
Line line = new Line
{
Stroke = Brushes.Black,
StrokeThickness = 2,
RenderTransform = new TranslateTransform(ViewBox1.ActualWidth / 2, ViewBox1.ActualHeight / 2)
};
SetLineBinding(ViewBox1, ViewBox2, line);
double MarginLeft = (point1.X + point2.X) / 2;
double MarginTop = (point1.Y + point2.Y) / 2;
double MarginRight = point2.X > point1.X ? point2.X - MarginLeft - 12 : point1.X - MarginLeft - 12;
double MarginBottom = point2.Y > point1.Y ? point2.Y - MarginTop - 18 : point1.Y - MarginTop - 18;
TextBox textBox = UICreator.CreateTextBox(new Thickness(MarginLeft, MarginTop, MarginRight, MarginBottom));
textBox.KeyUp += TextboxHandler;
Grid grid = new Grid();
Viewbox viewbox = UICreator.CreateViewBox($"edge " +
$"{ExtractElementFromViewBox<TextBlock>(ViewBox1).Text} " +
$"{ExtractElementFromViewBox<TextBlock>(ViewBox2).Text}");
viewbox.MouseLeftButtonUp += MouseEvent;
grid.Children.Add(line);
grid.Children.Add(textBox);
viewbox.Child = grid;
Canvas.Children.Add(viewbox);
textBox.SelectionStart = textBox.Text.Length;
textBox.Focus();
}
