private void OnSelectedItemChanged(DisplayDER displayDER)
{
if (!dragging)
{
dragging = true;
SelectedDisplayDER = new DisplayDER(displayDER);
DragDrop.DoDragDrop(listView, SelectedDisplayDER, DragDropEffects.Move);
}
}
private void fillList()
{
foreach (var item in NetworkEntitiesViewModel.DERs.ToList())
{
DisplayDER displayDER = new DisplayDER(item);
DisplayDERs.Add(displayDER);
checkCanvas(displayDER);
}
UpdateCanvasOnViewChange();
}
private void checkCanvas(DisplayDER displayDER)
{
for (int i = 1; i < MainCanvas.Children.Count; i++) // prodi kroz svaki canvas
{
Canvas canvas = (Canvas)MainCanvas.Children[i];
if (canvas.Resources["taken"] != null) // proveri da li je canvas zauzet, ako jeste pronadi mu id i promeni mu vrednosti
{
if (!string.IsNullOrWhiteSpace(((TextBlock)(canvas).Children[1]).Text))
{
if (int.Parse(((TextBlock)(canvas).Children[1]).Text) == displayDER.Id)
{
if (!tempList.Contains(int.Parse(((TextBlock)(canvas).Children[1]).Text)))
{
tempList.Add(int.Parse(((TextBlock)(canvas).Children[1]).Text));
}
}
}
}
}
}
private void OnMouseLeftButtonDownCanvas(Canvas canvas)
{
if (!dragging)
{
if (canvas.Resources["taken"] != null)
{
dragging = true;
SelectedDisplayDER = new DisplayDER(new DisplayDER(NetworkEntitiesViewModel.DERs.FirstOrDefault(x => x.Id == int.Parse(((TextBlock)(canvas).Children[1]).Text))));
if (DragDrop.DoDragDrop(listView, SelectedDisplayDER, DragDropEffects.Move) != DragDropEffects.None)
{
canvas.Background = Brushes.Azure;
canvas.Resources.Remove("taken");
((TextBlock)(canvas).Children[0]).Text = "Slobodno mesto";
((TextBlock)(canvas).Children[0]).Foreground = Brushes.Black;
((TextBlock)(canvas).Children[1]).Text = "";
((TextBlock)(canvas).Children[1]).Foreground = Brushes.Transparent;
}
}
dragging = false;
}
}
private void OnMouseLeftButtonUp(ListView listView)
{
selectedDisplayDER = null;
listView.SelectedItem = null;
dragging = false;
}