private void RemoveShape(object viewModel)
{
var shape = _mapLayer.Shapes.FirstOrDefault(p => MapElementProperties.GetViewModel(p) == viewModel);
if (shape != null)
{
_mapLayer.Shapes.Remove(shape);
shape.Tapped -= ShapeTapped;
}
}
private void ShapeTapped(object sender, TappedRoutedEventArgs e)
{
var shape = sender as MapShape;
if (shape != null)
{
var viewModel = MapElementProperties.GetViewModel(shape);
if (viewModel != null)
{
FireViewmodelCommand(viewModel, TapCommand);
}
}
}
private void ReplaceShape(object viewModel)
{
var shape = _mapLayer.Shapes.FirstOrDefault(p => MapElementProperties.GetViewModel(p) == viewModel);
if (shape != null)
{
var shapeLocation = _mapLayer.Shapes.IndexOf(shape);
if (shapeLocation != -1)
{
var newShape = CreateShape(viewModel);
if (newShape != null)
{
_mapLayer.Shapes[shapeLocation].Tapped -= ShapeTapped;
_mapLayer.Shapes[shapeLocation] = CreateShape(viewModel);
}
}
}
else
{
AddNewShape(viewModel);
}
}
