private void FireViewmodelCommand(object viewModel, string commandName, MapSelectionParameters selParams)
{
if (viewModel != null && !string.IsNullOrWhiteSpace(commandName))
{
var dcType = viewModel.GetType();
var commandGetter = dcType.GetRuntimeMethod("get_" + commandName, new Type[0]);
if (commandGetter != null)
{
var command = commandGetter.Invoke(viewModel, null) as ICommand;
if (command != null)
{
command.Execute(selParams);
}
}
}
}
private void AddEventMapping(EventToCommandMapper mapper)
{
Observable.FromEventPattern <object>(AssociatedObject, mapper.EventName)
.Subscribe(se =>
{
Point?tapPoint = null;
var mapInputEventArgs = se.EventArgs as MapInputEventArgs;
if (mapInputEventArgs != null)
{
tapPoint = mapInputEventArgs.Position;
}
if (tapPoint == null)
{
var tappedRoutedEventArgs = se.EventArgs as TappedRoutedEventArgs;
if (tappedRoutedEventArgs != null)
{
tapPoint = tappedRoutedEventArgs.GetPosition(this.AssociatedObject);
}
}
if (tapPoint != null)
{
Debug.WriteLine("Tapped on {0},{1} on LayerName {2}", tapPoint.Value.X, tapPoint.Value.Y, LayerName);
var shapes = AssociatedObject.FindMapElementsAtOffset(tapPoint.Value);
var selParams = new MapSelectionParameters
{
LayerName = LayerName,
SelectTime = DateTimeOffset.Now
};
var t = shapes.Count(p => p.GetLayerName() == LayerName);
if (t != 0)
{
Debug.WriteLine("Found {0} shapes on layer {1}", t, LayerName);
}
foreach (var shape in shapes.Where(p => p.GetLayerName() == LayerName))
{
FireViewmodelCommand(shape.ReadData <ViewModelBase>(), mapper.CommandName, selParams);
}
}
});
}