public async void AddBtn_Click(object sender, RoutedEventArgs e)
{
if (viewing)
{
//we want to delete the note
//ask the user if they really want to delete the note
var message = new Windows.UI.Popups.MessageDialog("Do you want to Delete!");
message.Commands.Add(new UICommand("Delete", new UICommandInvokedHandler(CommandInvokedHandler)));
message.Commands.Add(new UICommand("Cancel", new UICommandInvokedHandler(CommandInvokedHandler)));
message.DefaultCommandIndex = 0;
message.CancelCommandIndex = 1;
await message.ShowAsync();
}
else
{
//add the note
MyMapNote note = new MyMapNote();
note.Title = titleTextBox.Text;
note.Note = noteTextBox.Text;
//date time set but not used.
note.Created = DateTime.Now;
//setting long,lat fro center position
note.Latitude = Map.Center.Position.Latitude;
note.Longitude = Map.Center.Position.Longitude;
App.Notes.AddNote(note);
this.Frame.Navigate(typeof(myNote));
}
}
//private async void AddNote_Loaded(object setter, NavigationEventArgs e)
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
//map service token from bing maps
Map.MapServiceToken = "TOfdeDRJwGImuiaL7W88~SlMn6bqFU6GCmOupV2lB-g~AsoKvGZZisSkTudn4cs2nwQzmGl7eS58HojnUjiskKBwBEYkH-7yUV7sRAXsADIr";
//set map style for add note feature.
Map.Style = MapStyle.AerialWithRoads;
Geopoint pos;
if (e.Parameter == null)
{
viewing = false;
var location = new Geolocator();
location.DesiredAccuracyInMeters = 50;
var position = await location.GetGeopositionAsync();
pos = position.Coordinate.Point;
}
else
{
viewing = true;
myText = (MyMapNote)e.Parameter;
titleTextBox.Text = myText.Title;
noteTextBox.Text = myText.Note;
//if viewing =true then we are in the delete mode
// and add button content will change to delete
// and the function will change to a delete function
addBtn.Content = "Delete";
var myPos = new Windows.Devices.Geolocation.BasicGeoposition();
myPos.Latitude = myText.Latitude;
myPos.Longitude = myText.Longitude;
//drop a ancor pin to mark center point
pos = new Geopoint(myPos);
MapIcon icon = new MapIcon();
icon.Location = pos;
icon.NormalizedAnchorPoint = new Point(0.5, 1.0);
icon.Title = "Note Location";
icon.Image = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/Pin.png"));
icon.ZIndex = 0;
Map.MapElements.Add(icon);
Map.Center = pos;
}
await Map.TrySetViewAsync(pos, 14D);
}
