Esempio n. 1
0
        private void pictureBox1_MouseClick(object sender, MouseEventArgs e)
        {
            Refresh();
            var need = true;

            var click = new Point(e.X - _offset, e.Y - _offset);

            if (e.Button == MouseButtons.Left)
            {
                if (!_graph.GetVerts().Any())
                {
                    var v = _graph.AddVert(new Vert(click));
                    dataGridView1.Rows.Add(dataGridView1.RowCount, (v.Position.X - pictureBox1.Width / 2) / 2, (-v.Position.Y + pictureBox1.Height / 2) / 2);
                    _edgeFrom = v;
                    _edging   = true;
                }
                else
                {
                    Vert connectTo = null;
                    foreach (var v in _graph.GetVerts())
                    {
                        if (Helper.InCircle(v.Position, click, Vert.R))
                        {
                            need      = false;
                            connectTo = v;
                        }
                    }
                    if (need)
                    {
                        connectTo = _graph.AddVert(new Vert(click));
                        dataGridView1.Rows.Add(dataGridView1.RowCount, (connectTo.Position.X - pictureBox1.Width / 2) / 2, (-connectTo.Position.Y + pictureBox1.Height / 2) / 2);
                        if (!_edging)
                        {
                            _edgeFrom = connectTo;
                            _edging   = true;
                        }
                        else
                        {
                            if (!_edgeFrom.LinkedVers.Contains(connectTo))
                            {
                                _edgeFrom.AddAsLinked(connectTo);
                            }
                            if (!connectTo.LinkedVers.Contains(_edgeFrom))
                            {
                                connectTo.AddAsLinked(_edgeFrom);
                            }
                            _edging = false;
                        }
                    }
                    else
                    {
                        if (_edging)
                        {
                            if (!_edgeFrom.LinkedVers.Contains(connectTo))
                            {
                                _edgeFrom.AddAsLinked(connectTo);
                            }
                            if (!connectTo.LinkedVers.Contains(_edgeFrom))
                            {
                                connectTo.AddAsLinked(_edgeFrom);
                            }
                            _edging = false;
                        }
                        else
                        {
                            _edgeFrom = connectTo;
                            _edging   = true;
                        }
                    }
                }
            }

            if (e.Button == MouseButtons.Right)
            {
                foreach (var v in _graph.GetVerts())
                {
                    if (Helper.InCircle(v.Position, click, Vert.R))
                    {
                        dataGridView1.Rows.RemoveAt(_graph.GetVerts().IndexOf(v));
                        _graph.RemoveVert(v);
                        foreach (var ver in _graph.GetVerts().Where(ver => ver.LinkedVers.Contains(v)))
                        {
                            ver.LinkedVers.Remove(v);
                        }
                        for (var i = 0; i < dataGridView1.RowCount - 1; i++)
                        {
                            dataGridView1.Rows[i].Cells[0].Value = i + 1;
                        }
                        break;
                    }
                }
            }
            Refresh();
        }
Esempio n. 2
0
 /// <summary>
 /// Удалить вершину
 /// </summary>
 /// <param name="vert">Удаляемая вершина</param>
 public void RemoveVert(Vert vert)
 {
     _verts.Remove(vert);
 }
Esempio n. 3
0
 /// <summary>
 /// Добавить связанную вершину
 /// </summary>
 /// <param name="vert">Вершина</param>
 public void AddAsLinked(Vert vert)
 {
     LinkedVers.Add(vert);
 }
Esempio n. 4
0
 ///<summary>
 /// Добавляет вершину в граф
 /// </summary>
 ///<returns>Возвращает добавленную вершину</returns>
 public Vert AddVert(Vert vert)
 {
     _verts.Add(vert);
     return(vert);
 }