lab07

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace lab07_live
{
    public partial class Form1 : Form
    {
        public List<MyNode> obiekty = new List<MyNode>();
        public List<MyLine> linie = new List<MyLine>();
        public Pen Pioro = new Pen(Color.Black, 50);
        public Pen PioroLinie = new Pen(Color.Black, 2);
        public int X;
        public int Y;
        public int ObjectCount = 1;
        public Form1()
        {
            InitializeComponent();
        }

        private void panel1_MouseDown(object sender, MouseEventArgs e)
        {
            X = e.X;
            Y = e.Y;
            MyNode Wezel = new MyNode(X, Y);
            obiekty.Add(Wezel);
            panel1.Refresh();
            Wezel.Text = $"Obiekt {ObjectCount.ToString()}";
            treeView1.Nodes.Add(Wezel);
            ObjectCount++;
            for (int i = 0; i < obiekty.Count-1; i++)
            {
                double roznica1 = Math.Pow((Math.Abs(Wezel.NodeX - obiekty[i].NodeX)), 2);
                double roznica2 = Math.Pow((Math.Abs(Wezel.NodeY - obiekty[i].NodeY)), 2);
                if (Math.Sqrt(roznica1+roznica2) < 150)
                {
                    obiekty[i].NCount++;
                    obiekty[i].Nodes.Add(new MyNode(Wezel.NodeX,Wezel.NodeY,$"Sąsiad {obiekty[i].NCount.ToString()}"));
                    MyLine Nowa = new MyLine(Wezel.NodeX,Wezel.NodeY,obiekty[i].NodeX,obiekty[i].NodeY);
                    linie.Add(Nowa);
                    panel1.Refresh();
                }
            }
        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            for (int i = 0; i < obiekty.Count; i++)
            {
                g.DrawEllipse(Pioro,obiekty[i].NodeX,obiekty[i].NodeY,5, 5);
            }

            for (int i = 0; i < linie.Count; i++)
            {
                g.DrawLine(PioroLinie, linie[i].sx, linie[i].sy, linie[i].ex, linie[i].ey);
            }

        }

        private void panel1_MouseMove(object sender, MouseEventArgs e)
        {
            toolStripStatusLabel1.Text = $"{e.X}, {e.Y}";
        }
    }
    public class MyNode : TreeNode
    {
        public int NodeX, NodeY;
        public int NCount = 0;

        //TreeNode dziedziczy tez naturalnie liste sasiadow
        public MyNode(int x, int y)
        {
            NodeX = x;
            NodeY = y;
        }
        public MyNode(int x, int y, string n)
        {
            NodeX = x;
            NodeY = y;
            Text = n;
        }
    }

    public class MyLine
    {
        public int sx, sy, ex, ey;

        public MyLine(int x1, int y1, int x2, int y2)
        {
            sx = x1;
            sy = y1;
            ex = x2;
            ey = y2;
        }
    }
}