Beispiel #1
0
        private void nuevoToolStripMenuItem_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
        {
            nuevoToolStripMenuItem.HideDropDown();
            switch (e.ClickedItem.Name)
            {
            case "Nuevo":
                band      = false;
                mov       = false;
                BackColor = Color.White;
                g.Clear(BackColor);
                AristaNoDirigida.Enabled = true;
                AristaDirigida.Enabled   = true;
                g2      = new Grafo();
                grafo   = new Grafo();
                nombre  = 'A';
                gactivo = false;
                break;

            case "Abrir":

                OpenFileDialog filed = new OpenFileDialog();
                filed.InitialDirectory = Application.StartupPath + "\\Ejemplos";
                filed.DefaultExt       = ".grafo";
                string namefile;
                filed.Filter = "Grafo Files (*.grafo)|*.grafo|All files (*.*)|*.*";
                if (filed.ShowDialog() == DialogResult.OK)
                {
                    namefile = filed.FileName;

                    try
                    {
                        using (Stream stream = File.Open(namefile, FileMode.Open))
                        {
                            BinaryFormatter bin = new BinaryFormatter();
                            grafo = (Grafo)bin.Deserialize(stream);
                            grafo.pinta(g);
                        }
                    }
                    catch (IOException exe)
                    {
                        MessageBox.Show(exe.ToString());
                    }
                    g2 = new Grafo();


                    accion = 1;
                    grafo.desseleccionar();
                    nombre = 'A';
                    for (int nn = 0; nn < grafo.Count; nn++)
                    {
                        nombre++;
                    }
                }
                break;

            case "Guardar":
                SaveFileDialog sav = new SaveFileDialog();
                sav.Filter           = "Grafo Files (*.grafo)|*.grafo|All files (*.*)|*.*";
                sav.InitialDirectory = Application.StartupPath + "\\ProyectosGrafo";
                String nombr;
                if (sav.ShowDialog() == DialogResult.OK)
                {
                    nombr = sav.FileName;
                    try
                    {
                        using (Stream stream = File.Open(nombr, FileMode.Create))
                        {
                            BinaryFormatter bin = new BinaryFormatter();
                            bin.Serialize(stream, grafo);
                        }
                    }
                    catch (IOException exe)
                    {
                        MessageBox.Show(exe.ToString());
                    }
                }
                break;

            case "BorraGrafo":
                grafo = new Grafo();
                g.Clear(BackColor);
                g2     = new Grafo();
                nombre = 'A';
                break;

            case "Salir":
                System.Windows.Forms.Application.Exit();
                break;
            }
        }
Beispiel #2
0
        private void Form1_MouseUp(object sender, MouseEventArgs e)
        {
            NodoP    des;
            Graphics au;

            au = Graphics.FromImage(bmp1);
            au.Clear(BackColor);
            switch (accion)
            {
            case 1:
                p    = pm;
                pm   = e.Location;
                band = true;
                Form1_Paint(this, null);
                band = false;
                break;

            case 2:
                nu = null;
                break;

            case 3:
                des = (NodoP)grafo.Find(delegate(NodoP a) { if (e.Location.X > a.POS.X - 15 && e.Location.X < a.POS.X + 30 && e.Location.Y > a.POS.Y - 15 && e.Location.Y < a.POS.Y + 30)
                                                            {
                                                                return(true);
                                                            }
                                                            else
                                                            {
                                                                return(false);
                                                            } });
                if (des != null && nu != null)
                {
                    if (nu.insertaRelacion(des, grafo.Aristas.Count))
                    {
                        a = new Arista(tipoarista, nu, des, "e" + grafo.Aristas.Count.ToString());
                        grafo.AgregaArista(a);
                        nu.GRADO++;
                        des.GRADO++;
                        nu.GradoExterno++;
                        des.GradoInterno++;
                    }
                    if (tipoarista == 2 && a.Destino.NOMBRE != a.Origen.NOMBRE)
                    {
                        des.insertaRelacion(nu, grafo.Aristas.Count - 1);
                        des.GradoExterno++;
                        nu.GradoInterno++;
                    }

                    grafo.pinta(au);
                    band = false;
                    nu   = null;
                }
                else
                {
                    grafo.pinta(au);
                }
                g.DrawImage(bmp1, 0, 0);
                break;

            case 4:
                nu = (NodoP)grafo.Find(delegate(NodoP a) { if (e.Location.X > a.POS.X - 15 && e.Location.X < a.POS.X + 30 && e.Location.Y > a.POS.Y - 15 && e.Location.Y < a.POS.Y + 30)
                                                           {
                                                               return(true);
                                                           }
                                                           else
                                                           {
                                                               return(false);
                                                           } });
                if (nu != null)
                {
                    grafo.RemueveNodo(nu);
                    band = true;
                    if (grafo.Count == 0)
                    {
                        nombre  = 'A';
                        gactivo = false;
                    }
                    Form1_Paint(this, null);
                    band = false;
                }
                break;

            case 7:
            case 9:
            case 8:
                SeleccionaNodos();
                break;
            }
        }