public Nod(Nod x)
{
Template = (ControlTemplate)FindResource("ButtonControlRound");
Height = 40;
Width = 40;
AllowDrop = true;
Cursor = Cursors.SizeAll;
this.ApplyTemplate();
vec = x.vec;
myCanvas = x.myCanvas;
val = x.val;
Content = x.Content;
}
public Nod new_nod(Point epos)
{
Nod nod = new Nod();
// Nod.myCanvas = myCanvas;
nod.PreviewMouseLeftButtonDown += this.MouseDown;
nod.PreviewMouseLeftButtonUp += this.MouseUp;
nod.PreviewMouseRightButtonUp += this.DeleteNod;
nod.Content = noduri.Count + 1;
Canvas.SetLeft(nod, 53);
Canvas.SetTop(nod, 42);
Canvas.SetZIndex(nod, noduri.Count + 51);
MovingObject = nod;
noduri.Add(nod);
FirstX = epos.X;
FirstY = epos.Y;
nod.myCanvas = myCanvas;
myCanvas.Children.Add(nod);
return nod;
}
void setup(object sender = null, EventArgs e = null)
{
n = graf.noduri.Count;
for (int i = 0; i < n; i++)
{
graf.noduri[i].val = i + 1;
graf.noduri[i].Disable();
graf.noduri[i].Update();
}
for (int i = 0; i < graf.muchii.Count; i++)
graf.muchii[i].textBox.IsReadOnly = true;
graf.muchii.Sort(cmp);
CoadaMuchii = new List<Muchie>();
Rez.Clear();
WatchMuchii.ItemsSource = CoadaMuchii;
WatchNoduri.Items.Refresh();
WatchMuchii.Items.Refresh();
WatchSelected.Items.Refresh();
Nr = 0;
sum = 0;
this.WatchNr.Content = "Muchii selectate: 0";
NoduriSol = new List<int>();
if (n > 0)
nextSelected = graf.noduri[0];
addMuchii();
prepare_next_step();
}
void prepare_next_step()
{
graf.refresh(1);
if (Nr == n - 1)
System.Windows.MessageBox.Show("Terminat cu succes", "Succes", MessageBoxButton.OK, MessageBoxImage.Information);
if (n == 0) { Explicatii.Text = "Introduceți graful."; return; }
if (Nr == n - 1)
{
Explicatii.Text = "S-a obținut arborele parțial de cost minim pentru graful dat:\n";
Explicatii.Text += "Suma costurilor este: " + sum;
return;
}
if (graf.muchii.Count == 0) { Explicatii.Text = "Nu există muchii - graful nu este conex!"; return; }
if (CoadaMuchii.Count == 0) { Explicatii.Text = "Graful nu este conex!"; return; }
if (NoduriSol.Count == 0)
{
NoduriSol.Add(1);
Explicatii.Text = "Alegem ca nod de început nodul 1 și adăugăm la Heap toate muchiile care pornesc de aici\n";
}
else
{
Explicatii.Text = "Selectat fiind nodul " + nextSelected.Content.ToString() + " adaugam la Heap toate muchiile către noduri care nu fac parte din arborele curent\n";
}
Muchie m = selectMuchie();
if (NoduriSol.Contains(numar(m.x)))
nextSelected = m.y;
else
nextSelected = m.x;
Explicatii.Text += "Muchia dintre nodurile " + m.Xstr + " si " + m.Ystr + " are cost minim asa ca selectam nodul " + nextSelected.Content.ToString() + " si adăugăm muchia la soluție";
}
int numar(Nod nod)
{
return Int32.Parse(nod.Content.ToString());
}
public Muchie new_muchie(Nod n1, Nod n2, int dist = 0)
{
if (muchii.FindAll(muci => muci.x == n1 && muci.y == n2 || muci.x == n2 && muci.y == n1).Count != 0) return null;
Muchie muc = new Muchie(n1, n2, dist, myCanvas, this);
n1.vec.Add(muc);
n2.vec.Add(muc);
muchii.Add(muc);
myCanvas.Children.Add(muc);
muc.Actual_Pos();
n1.IsEnabled = true;
n2.IsEnabled = true;
return muc;
}
void new_nod(object sender, MouseEventArgs e)
{
if (construct == 0) return;
if (muchiestate == 1)
add_muchie(sender, e);
n1 = null;
Nod b = graf.new_nod(e.GetPosition(graf_nod_but));
b.Click += draw_muchie;
}
void draw_muchie(object sender, EventArgs e)
{
if (construct == 0 || muchiestate == 0) return;
if (n1 == null)
{
n1 = sender as Nod;
n1.IsEnabled = false;
return;
}
Nod n2 = sender as Nod;
graf.new_muchie(n1, n2);
n1 = null;
add_muchie(sender, e);
}