private async void LoadFile(DxfDocument document)
{
// Map to LayerModel
List <LayerViewModel> validLayers = document
.CreateLayerModels()
.Where(x => x.Polylines.Any())
.Select(x => new LayerViewModel()
{
Name = x.Name,
Walls = new ObservableCollection <WallViewModel>(x.Polylines
.Select(y => new WallViewModel()
{
Height = App.WallHeight,
Points = y.Points
}))
})
.ToList();
// Bad scenario
if (validLayers.Count < 1)
{
MessageDialog dialog = new MessageDialog(title: "Wrong file format...",
content: "There are no suitable layers in the loading file.\n" +
"See Help > Supported layers.");
await dialog.ShowAsync();
return;
}
// Good scenario
List <LayerViewModel> selectedLayers;
if (validLayers.Count < 2)
{
selectedLayers = new List <LayerViewModel> {
validLayers.First()
};
}
else
{
// Ask user about layer
var dialog = new ChooseLayerDialog(validLayers
.Select(ChooseLayerViewModel.Create));
await dialog.ShowAsync();
if (dialog.Result == ChooseLayerDialogResult.Canceled)
{
return;
}
// Loading to scene
selectedLayers = dialog.SelectedLayers;
}
List <WallViewModel> walls = selectedLayers
.SelectMany(x => x.Walls)
.ToList();
ViewModel.Walls.Clear();
ViewModel.Signalings.Clear();
ViewModel.Walls.AddRange(walls);
Sandbox.FocusCameraOn(ViewModel.Walls.Bounds());
}
