GraphDrawer/GraphDrawer/GraphByClick.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace GraphDrawer
{
    /// <summary>
    /// Interaction logic for GraphByClick.xaml
    /// </summary>
    public partial class GraphByClick : Window
    {
        public GraphByClick()
        {
            InitializeComponent();
        }

        private void backBtn_Click(object sender, RoutedEventArgs e)
        {
            ChoiseRegime regime = new ChoiseRegime();
            regime.Show();
            Close();
        }

        private void Grid_MouseUp(object sender, MouseButtonEventArgs e)
        {
        }

        private void canvas_MouseUp(object sender, MouseButtonEventArgs e)
        {
            var point = e.GetPosition(canvas);
            int x = Convert.ToInt32(point.X);
            int y = Convert.ToInt32(point.Y);
            if (vertexRb.IsChecked == true)
            {
                Ellipse ellipse = new Ellipse();
                Vertex vertex = new Vertex(x, y);
                DrawVertex(ellipse, canvas, vertex);
                test.Content = vertex.X;
            }
        }

        public void DrawEdge(Canvas canvas, Line line, Edge edge)
        {
            line = new Line();
            line.Stroke = GetBrush();
            line.StrokeThickness = 2;
            line.X1 = edge.startVertex.X + 5;
            line.Y1 = edge.startVertex.Y + 5;
            line.X2 = edge.finishVertex.X + 5;
            line.Y2 = edge.finishVertex.Y + 5;
            canvas.Children.Add(line);
        }

        public void DrawVertex(Ellipse ellipse, Canvas canvas, Vertex vertex)
        {
            SolidColorBrush brush = new SolidColorBrush(Color.FromRgb(0, 0, 0));
            ellipse = new Ellipse();
            ellipse.Height = 10;
            ellipse.Width = 10;
            ellipse.StrokeThickness = 2;
            ellipse.Stroke = brush;
            ellipse.Fill = brush;
            Canvas.SetLeft(ellipse, vertex.X);
            Canvas.SetTop(ellipse, vertex.Y);
            canvas.Children.Add(ellipse);
        }
        Random rand = new Random((DateTime.Now.Millisecond * DateTime.Now.Second) % DateTime.Now.Hour);
        public SolidColorBrush GetBrush()
        {
            SolidColorBrush[] brush = new SolidColorBrush[10];
            brush[0] = new SolidColorBrush(Color.FromRgb(235, 64, 52));
            brush[1] = new SolidColorBrush(Color.FromRgb(235, 235, 52));
            brush[2] = new SolidColorBrush(Color.FromRgb(64, 235, 52));
            brush[3] = new SolidColorBrush(Color.FromRgb(52, 235, 229));
            brush[4] = new SolidColorBrush(Color.FromRgb(0, 13, 255));
            brush[5] = new SolidColorBrush(Color.FromRgb(140, 0, 255));
            brush[6] = new SolidColorBrush(Color.FromRgb(255, 0, 230));
            brush[7] = new SolidColorBrush(Color.FromRgb(255, 162, 0));
            brush[8] = new SolidColorBrush(Color.FromRgb(0, 0, 0));
            return brush[rand.Next(0, 8)];
        }

        private void clearBtn_Click(object sender, RoutedEventArgs e)
        {
            canvas.Children.Clear();
        }
    }
}