public static void CreateEdge(DrawingState state)
{
if (state.firstCircle == null || state.secondCircle == null)
return;
if (!state.controller.ContainsEdge(state.firstCircle, state.secondCircle) &&
state.firstCircle != state.secondCircle)
{
Line line = new Line()
{
X1 = state.firstCircle.Position.X,
Y1 = state.firstCircle.Position.Y,
X2 = state.secondCircle.Position.X,
Y2 = state.secondCircle.Position.Y
};
state.controller.AddEdge(line, state.firstCircle, state.secondCircle);
line.Stroke = System.Windows.Media.Brushes.LightSteelBlue;
line.StrokeThickness = 2;
state.canvas.Children.Add(line);
line.MouseDown += (object a, MouseButtonEventArgs b) =>
{
if (state.currentTool == DrawingState.Tool.REMOVE_EDGE)
{
state.controller.RemoveEdge(a as Line, state.mainWindow);
}
};
}
state.firstCircle = null;
state.secondCircle = null;
}
public static Circle CreateVertex(Point position, DrawingState state)
{
Circle circle = new Circle(position);
state.controller.AddVertex(circle);
Ellipse ellipse = circle.ellipse;
ellipse.MouseDown += (object a, MouseButtonEventArgs b) =>
{
if (state.currentTool == DrawingState.Tool.DRAW_EDGE)
{
if (state.firstCircle == null)
state.firstCircle = circle;
else if (state.secondCircle != null)
state.firstCircle = circle;
else
state.secondCircle = circle;
}
else
{
state.firstCircle = state.secondCircle = null;
}
};
//TODO - choose hover effect, do when styling
ellipse.MouseEnter += (object o, MouseEventArgs e) =>
{
if (state.currentTool == DrawingState.Tool.DRAW_EDGE)
{
ellipse.Fill = new SolidColorBrush(Color.FromRgb(0, 0, 0));
}
};
ellipse.MouseLeave += (object o, MouseEventArgs e) =>
{
ellipse.Fill = new SolidColorBrush(Color.FromArgb(255, 0, 150, 0));
};
state.canvas.Children.Add(ellipse);
return circle;
}
public LineDrawer(DrawingState state)
: base(state)
{
}
public MainWindow()
{
controller = new Controller();
state = new DrawingState(controller, paintSurface, this);
InitializeComponent();
}
public VertexDrawer(DrawingState state)
: base(state)
{
}
