private void canvasMapa_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
start = e.GetPosition(this.canvasMapa);
Dogadjaj d = razdaljina(start);
if (d != null)
{
if (System.Windows.Forms.MessageBox.Show("Potvrdom ce se odabrani dogadjaj ukloniti sa mape. ", "potvrda", System.Windows.Forms.MessageBoxButtons.OKCancel, System.Windows.Forms.MessageBoxIcon.Question, System.Windows.Forms.MessageBoxDefaultButton.Button1) == System.Windows.Forms.DialogResult.OK)
{
for (int i = 0; i < mapaIkonica.Count; i++)
{
if (mapaIkonica[i].Do.Equals(d))
{
Ikonica tempS = mapaIkonica[i];
canvasMapa.Children.RemoveAt(i);
foreach (Tip t in Tipovi.listaTipova) //vrati ga u stablo
{
if (t.Oznaka.Equals(d.Tip))
{
t.DogadjajiTipa.Add(d);
}
}
mapaIkonica.RemoveAt(i);
break;
}
}
}
}
}
private bool CanDrop(double x, double y, Ikonica ikonica)
{
foreach (Ikonica ic in mapaIkonica)
{
if (ic != ikonica)
{
if (Math.Abs(ic.X - x) < 15 && Math.Abs(ic.Y - y) < 20)
{
return(false);
}
}
}
return(true);
}
private void canvasMapa_Drop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent("myFormat"))
{
Dogadjaj sp = e.Data.GetData("myFormat") as Dogadjaj;
foreach (Tip t in Tipovi.listaTipova)
{
foreach (Dogadjaj dog in t.DogadjajiTipa)
{
if (dog.Equals(sp))
{
t.DogadjajiTipa.Remove(dog);
break;
}
}
}
Image ikonica = new Image();
ikonica.Height = 20;
ikonica.Width = 20;
ikonica.Name = sp.Oznaka;
ImageSourceConverter imgConv = new ImageSourceConverter();
string path = sp.Ikona;
ImageSource imageSource = (ImageSource)imgConv.ConvertFromString(path);
ikonica.Source = imageSource;
ikonica.ToolTip = "Oznaka: " + sp.Oznaka + "\nIme: " + sp.Ime + "\nTip: " + sp.Tip;
if (!promena)
{
this.canvasMapa.Children.Add(ikonica);
Point p = e.GetPosition(this.canvasMapa);
Ikonica saCanvasa = new Ikonica(e.GetPosition(this.canvasMapa).X, e.GetPosition(this.canvasMapa).Y, sp);
if (CanDrop(e.GetPosition(this.canvasMapa).X, e.GetPosition(this.canvasMapa).Y, saCanvasa))
{
Canvas.SetLeft(ikonica, p.X);
Canvas.SetTop(ikonica, p.Y);
Ikonica icon = new Ikonica(p.X, p.Y, sp);
mapaIkonica.Add(icon);
}
else
{
foreach (Tip t in Tipovi.listaTipova)
{
if (t.Oznaka.Equals(sp.Tip))
{
t.DogadjajiTipa.Add(sp);
}
}
this.canvasMapa.Children.Remove(ikonica);
MessageBox.Show("Izaberite drugu lokaciju.");
}
}
else
{
Point p = e.GetPosition(this.canvasMapa);
for (int i = 0; i < mapaIkonica.Count; i++)
{
if (mapaIkonica[i].Do.Oznaka.Equals(sp.Oznaka))
{
Ikonica saCanvasa = mapaIkonica[i];
canvasMapa.Children.RemoveAt(i);
canvasMapa.Children.Insert(i, ikonica);
int flagg = 0;
if (!CanDrop(e.GetPosition(this.canvasMapa).X, e.GetPosition(this.canvasMapa).Y, saCanvasa))
{
p.X = saCanvasa.X;
p.Y = saCanvasa.Y;
flagg = 1;
}
Canvas.SetLeft(ikonica, p.X);
Canvas.SetTop(ikonica, p.Y);
mapaIkonica[i].X = p.X;
mapaIkonica[i].Y = p.Y;
if (flagg == 1)
{
MessageBox.Show("Izaberite drugu lokaciju.");
}
break;
}
}
}
}
}