private void LoadPlaceList(GeolocationResult result)
{
Func<int> func = delegate {
PlaceList lPlaceList = new PlaceList ();
if (result.Position != null)
{
lPlaceList = new PlaceList (
Engine.Instance.PlaceLocator.GetNearbyPlaces (
(float)result.Position.Latitude, (float)result.Position.Longitude));
}
this.BeginInvokeOnMainThread (delegate {
if (lPlaceList.Count > 0)
{
PlaceList = lPlaceList;
TableView.ReloadData ();
BusyView.Busy = false;
}
else
ShowLocatinError (lPlaceList, result);
});
return 0;
};
func.BeginInvoke (null, null);
}
private void ChangeSortMethod(PlaceSortMethod sortMethod)
{
NavigationItem.SetRightBarButtonItem (null, true);
BusyView.Busy = true;
Func<int> func = delegate {
PlaceList list = new PlaceList ();
if (sortMethod == PlaceSortMethod.Popularity)
list = Engine.Instance.CheckInAccess.GetPopularPlaceList (
SystemConstants.MaxPlacesPerRequest);
else if (sortMethod == PlaceSortMethod.NearConventionCenter)
{
list = Engine.Instance.CheckInAccess.GetPlaceListNearLocation (
SystemConstants.DefaultPlace.Latitude,
SystemConstants.DefaultPlace.Longitude,
SystemConstants.MaxPlacesPerRequest);
}
else if (sortMethod == PlaceSortMethod.NearUser)
{
GeolocationResult result =
GeolocationHelper.GetLocation ();
if (result.Position == null)
{
this.BeginInvokeOnMainThread (delegate {
ShowLocatinError (new XamarinEvolveSSLibrary.PlaceList (), result);
NavigationItem.SetRightBarButtonItem (_sortButton, true);
});
return 0;
}
list = Engine.Instance.CheckInAccess.GetPlaceListNearLocation (
(float)result.Position.Latitude,
(float)result.Position.Longitude,
SystemConstants.MaxPlacesPerRequest);
}
else if (sortMethod == PlaceSortMethod.Recent)
{
list = Engine.Instance.CheckInAccess.GetRecentPlaceList (
SystemConstants.MaxPlacesPerRequest);
}
this.BeginInvokeOnMainThread (delegate {
PlaceList = list;
TableView.ReloadData ();
SortMethod = sortMethod;
BusyView.Busy = false;
NavigationItem.SetRightBarButtonItem (_sortButton, true);
});
return 0;
};
func.BeginInvoke (null, null);
}
public List<Place> GetPlaceListNearLocation(float lat, float lng, int limit)
{
List<Place> returnList = new List<Place>();
SetupAndCall((dbCmd) =>
{
SqlExpressionVisitor<Place> evPlace = OrmLiteConfig.DialectProvider.ExpressionVisitor<Place>();
var placeList = dbCmd.Select(evPlace);
returnList = new PlaceList(placeList.ToList()).SortByDistance(lat, lng, limit).Places;
});
return returnList;
}
protected void ShowLocatinError(PlaceList placeList, GeolocationResult result)
{
string message;
if (result.Canceled)
message = "The location request timed out.";
else if (result.GeolocationNotAvailable)
message = "Location services are not available on this device.";
else if (result.GeolocationDisabled)
message = "Location services are not enabled for the Evolve application.";
else
message = "Did not find any places near your location.";
BusyView.Busy = false;
UIAlertView alertNew = new UIAlertView ("Error", message, null, "Close", null);
alertNew.Show ();
}
public PlaceListViewController()
{
PlaceList = new PlaceList ();
GeolocationHelper = new GeolocationHelper ();
}
public PlaceListViewDelegate(PlaceListViewController viewController)
{
PlaceList = new PlaceList ();
}
public PlaceListViewDataSource(PlaceListViewController viewController)
{
PlaceList = new PlaceList ();
}