// TrailSites
/// <summary>
/// Returns a sorted list of TrailSite instances which have any source of water; including tank water, tap water, sorted from east to west. The list is a copy, mofifications to the list have no affect on the original.
/// </summary>
/// <returns>List of TrailSite: List of matching TrailSite instances, or null if none found.</returns>
public List <TrailSite> GetTrailSitesWithWaterSource()
{
List <TrailSite> ts = _model.GetTrailSites(AppDelegates.PlaceHasWaterSource());
if (ts is null)
{
return(null);
}
ts.Sort();
return(ts);
}
/// <summary>
/// Returns a sorted list of instances implementing Place which have any source of water; including Tank water, Tap water, sorted from east to west. The list is a copy, mofifications to the list have no affect on the original.
/// </summary>
/// <returns>List of Place: List of matching Place instances, or null if none found.</returns>
public List <Place> GetPlacesWithWaterSource()
{
List <Place> places = _model.GetPlaces(AppDelegates.PlaceHasWaterSource());
if (places == null)
{
return(null);
}
places.Sort();
return(places);
}
// CampSite...
/// <summary>
/// Returns a sorted list of CampSite instances which have any source of water; including tank water, tap water, sorted from east to west. The list is a copy, mofifications to the list have no affect on the original.
/// </summary>
/// <returns>List of CampSite :List of matching CampSite instances, or null if none found.</returns>
public List <CampSite> GetCampSitesWithWaterSource()
{
List <CampSite> campSites = _model.GetCampSites(AppDelegates.PlaceHasWaterSource());
if (campSites is null)
{
return(null);
}
campSites.Sort();
return(campSites);
}