public void TestDefaultCtor()
{
// set up
var layerList = DataServiceHelper.GetInitialLayerList();
var page = new AddLayerPopupPage(layerList.First());
// check
Assert.IsNotNull(page.Content, "page content must have been set");
}
/// <summary>
/// Imports a layer file
/// </summary>
/// <param name="stream">stream to read from</param>
/// <param name="filename">filename of file</param>
/// <returns>task to wait on</returns>
private static async Task ImportLayerFile(Stream stream, string filename)
{
string czml;
using (var streamReader = new StreamReader(stream))
{
czml = streamReader.ReadToEnd();
}
if (!IsValidJson(czml))
{
await App.Current.MainPage.DisplayAlert(
Constants.AppTitle,
"The file contained no valid CZML layer data",
"OK");
return;
}
var layer = new Layer
{
Id = Guid.NewGuid().ToString("B"),
Name = Path.GetFileNameWithoutExtension(filename),
IsVisible = true,
LayerType = LayerType.CzmlLayer,
Data = czml
};
layer = await AddLayerPopupPage.ShowAsync(layer);
if (layer == null)
{
return;
}
var dataService = DependencyService.Get <IDataService>();
var layerList = await dataService.GetLayerListAsync(CancellationToken.None);
layerList.Add(layer);
await dataService.StoreLayerListAsync(layerList);
await NavigationService.Instance.NavigateAsync(Constants.PageKeyMapPage, animated : true);
App.AddMapLayer(layer);
App.ZoomToLayer(layer);
App.ShowToast("Layer was loaded.");
}