/// <summary> /// Checks if data source has a element after the passed as parameter /// </summary> /// <param name="current">Current element</param> /// <returns>True, if there is a next element, false if there is not</returns> public bool HasNext(Entities.specialplacesCollectionSchema current) { if (current == null || !_data.Any()) { return(false); } return(_data.IndexOf(current) < _data.Count - 1); }
/// <summary> /// Checks if data source has a element before the passed as parameter /// </summary> /// <param name="current">Current element</param> /// <returns>True, if there is a previous element, false if there is not</returns> public bool HasPrevious(Entities.specialplacesCollectionSchema current) { if (current == null || !_data.Any()) { return(false); } return(_data.IndexOf(current) > 0); }
/// <summary> /// Checks if data source has a element after the passed as parameter /// </summary> /// <param name="current">Current element</param> /// <returns>True, if there is a next element, false if there is not</returns> public bool HasNext(Entities.specialplacesCollectionSchema current) { var data = GetData(); if (current == null || !data.Any()) { return(false); } return(data.IndexOf(current) < data.Count - 1); }
/// <summary> /// Retrieves the next element from source. /// </summary> /// <param name="current">Current element</param> /// <returns>The next element from items, if it exists. Otherwise, returns null</returns> public Entities.specialplacesCollectionSchema Next(Entities.specialplacesCollectionSchema current) { if (current == null || !_data.Any()) { return(null); } if (_data.Last().Equals(current)) { return(null); } return(_data[_data.IndexOf(current) + 1]); }
/// <summary> /// Retrieves the previous element from source. /// </summary> /// <param name="current">Current element</param> /// <returns>The previous element from items, if it exists. Otherwise, returns null</returns> public Entities.specialplacesCollectionSchema Previous(Entities.specialplacesCollectionSchema current) { if (current == null || !_data.Any()) { return(null); } if (_data.First().Equals(current)) { return(null); } return(_data[_data.IndexOf(current) - 1]); }
/// <summary> /// Retrieves the next element from source. /// </summary> /// <param name="current">Current element</param> /// <returns>The next element from items, if it exists. Otherwise, returns null</returns> public Entities.specialplacesCollectionSchema Next(Entities.specialplacesCollectionSchema current) { var data = GetData(); if (current == null) { return(data.FirstOrDefault()); } if (data.Any() && data.Last().Equals(current)) { return(null); } return(data[data.IndexOf(current) + 1]); }