protected async override void OnNavigatedTo(NavigationEventArgs e)
{
Geopoint myPoint;
if (e.Parameter == null)
{
// Add
isViewing = false;
var locator = new Geolocator();
locator.DesiredAccuracyInMeters = 50;
// MUST ENABLE THE LOCATION CAPABILITY!!!
var position = await locator.GetGeopositionAsync();
myPoint = position.Coordinate.Point;
}
else
{
// View or Delete
isViewing = true;
mapNote = (MapNote)e.Parameter;
titleTextBox.Text = mapNote.Title;
noteTextBox.Text = mapNote.Note;
addButton.Content = "Delete";
var myPosition = new Windows.Devices.Geolocation.BasicGeoposition();
myPosition.Latitude = mapNote.Latitude;
myPosition.Longitude = mapNote.Longitude;
myPoint = new Geopoint(myPosition);
}
await MyMap.TrySetViewAsync(myPoint, 16D);
}
private async void addButton_Click(object sender, RoutedEventArgs e)
{
if (isViewing)
{
// Delete
//Delete
var messageDialog = new Windows.UI.Popups.MessageDialog("Are you sure?");
// Add commands and set their callbacks; both buttons use the same callback function instead of inline event handlers
messageDialog.Commands.Add(new UICommand(
"Delete",
new UICommandInvokedHandler(this.CommandInvokedHandler)));
messageDialog.Commands.Add(new UICommand(
"Cancel",
new UICommandInvokedHandler(this.CommandInvokedHandler)));
// Set the command that will be invoked by default
messageDialog.DefaultCommandIndex = 0;
// Set the command to be invoked when escape is pressed
messageDialog.CancelCommandIndex = 1;
// Show the message dialog
await messageDialog.ShowAsync();
}
else
{
// Add
MapNote newMapNote = new MapNote();
newMapNote.Title = titleTextBox.Text;
newMapNote.Note = noteTextBox.Text;
newMapNote.Created = DateTime.Now;
newMapNote.Latitude = MyMap.Center.Position.Latitude;
newMapNote.Longitude = MyMap.Center.Position.Longitude;
App.DataModel.AddMapNote(newMapNote);
Frame.Navigate(typeof(MainPage));
}
}
public async void DeleteMapNote(MapNote mapNote)
{
_mapNotes.Remove(mapNote);
await saveMapNoteDataAsync();
}
public async void AddMapNote(MapNote mapNote)
{
_mapNotes.Add(mapNote);
await saveMapNoteDataAsync();
}
public async void DeleteMapNote(MapNote mapNote)
{
_mapNotes.Remove(mapNote);
await saveMapNoteDataAsync();
}
public async void AddMapNote(MapNote mapNote)
{
_mapNotes.Add(mapNote);
await saveMapNoteDataAsync();
}