private void BindMouseEvents(ModelUIElement3D model, Node elm)
{
var tagGuid = @"35DA1A20-AA6D-4436-890E-CBFA341F9E51";
Material oldfrontm = null;
Material oldbackm = null;
#region MouseEnter
model.MouseEnter += (sender, e) =>
{
var tb = MainCanvas.Children
.Cast <UIElement>()
.Where(i => i is Border)
.Cast <Border>()
.FirstOrDefault(i => tagGuid.Equals(i.Tag));
if (tb == null)
{
MainCanvas.Children.Add(tb = new Border()
{
Tag = tagGuid
});
tb.Child = new TextBlock();
tb.MouseMove += (o, args) => { args.Handled = false; };
tb.PreviewMouseMove += (o, args) => { args.Handled = false; };
StyleTexblock(tb);
}
var tx = tb.Child as TextBlock;
if (tx != null)
{
tx.Text = "NODE: " + elm.Label;
}
var geo = model.Model as GeometryModel3D;
if (geo != null)
{
oldfrontm = geo.Material;
oldbackm = geo.BackMaterial;
geo.Material = geo.BackMaterial = MaterialHelper.CreateMaterial(Brushes.Aqua);
}
};
#endregion
#region MouseMove
model.MouseMove += (sender, e) =>
{
Border tb = null;
foreach (var child in MainCanvas.Children)
{
if (child is Border)
{
if (tagGuid.Equals((child as Border).Tag))
{
tb = child as Border;
break;
}
}
}
if (tb == null)
{
return;
}
tb.Visibility = Visibility.Visible;
var mousePos = e.GetPosition(MainCanvas);
Canvas.SetLeft(tb, mousePos.X - tb.ActualWidth - 10);
Canvas.SetTop(tb, mousePos.Y - tb.ActualHeight - 10);
};
#endregion
#region MouseLeave
model.MouseLeave += (sender, args) =>
{
Border tb = null;
foreach (var child in MainCanvas.Children)
{
if (child is Border)
{
if (tagGuid.Equals((child as Border).Tag))
{
tb = child as Border;
break;
}
}
}
if (tb == null)
{
return;
}
tb.Visibility = Visibility.Collapsed;
var geo = model.Model as GeometryModel3D;
if (geo != null)
{
geo.Material = oldfrontm;
geo.BackMaterial = oldbackm;
}
};
#endregion
model.MouseDown += (sender, args) =>
{
var grd = new DataGrid();
PropertyHelper.Populate(grd, elm);
grd.ItemsSource = new[] { elm };
if (DisableEditingProperties)
{
grd.IsReadOnly = true;
}
var wnd = new Window();
wnd.Content = grd;
wnd.ShowDialog();
args.Handled = true;
};
}