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using System;
namespace FlickrNet
{
/// <summary>
/// Summary description for BoundaryBox.
/// </summary>
[Serializable]
public class BoundaryBox
{
private GeoAccuracy _accuracy = GeoAccuracy.Street;
private bool _isSet = false;
private double _minimumLat = -90;
private double _minimumLon = -180;
private double _maximumLat = 90;
private double _maximumLon = 180;
/// <summary>
/// Gets weither the boundary box has been set or not.
/// </summary>
internal bool IsSet
{
get { return _isSet; }
}
/// <summary>
/// The search accuracy - optional. Defaults to <see cref="GeoAccuracy.Street"/>.
/// </summary>
public GeoAccuracy Accuracy
{
get { return _accuracy; }
set { _accuracy = value; }
}
/// <summary>
/// The minimum latitude of the boundary box, i.e. bottom left hand corner.
/// </summary>
public double MinimumLatitude
{
get { return _minimumLat; }
set
{
if( value < -90 || value > 90 )
throw new ArgumentOutOfRangeException("MinimumLatitude", "Must be between -90 and 90");
_isSet = true; _minimumLat = value;
}
}
/// <summary>
/// The minimum longitude of the boundary box, i.e. bottom left hand corner. Range of -180 to 180 allowed.
/// </summary>
public double MinimumLongitude
{
get { return _minimumLon; }
set {
if( value < -180 || value > 180 )
throw new ArgumentOutOfRangeException("MinimumLongitude", "Must be between -180 and 180");
_isSet = true; _minimumLon = value;
}
}
/// <summary>
/// The maximum latitude of the boundary box, i.e. top right hand corner. Range of -90 to 90 allowed.
/// </summary>
public double MaximumLatitude
{
get { return _maximumLat; }
set
{
if( value < -90 || value > 90 )
throw new ArgumentOutOfRangeException("MaximumLatitude", "Must be between -90 and 90");
_isSet = true; _maximumLat = value;
}
}
/// <summary>
/// The maximum longitude of the boundary box, i.e. top right hand corner. Range of -180 to 180 allowed.
/// </summary>
public double MaximumLongitude
{
get { return _maximumLon; }
set
{
if( value < -180 || value > 180 )
throw new ArgumentOutOfRangeException("MaximumLongitude", "Must be between -180 and 180");
_isSet = true; _maximumLon = value;
}
}
/// <summary>
/// Default constructor
/// </summary>
public BoundaryBox()
{
}
/// <summary>
/// Default constructor, specifying only the accuracy level.
/// </summary>
/// <param name="accuracy">The <see cref="GeoAccuracy"/> of the search parameter.</param>
public BoundaryBox(GeoAccuracy accuracy)
{
_accuracy = accuracy;
}
/// <summary>
/// Constructor for the <see cref="BoundaryBox"/>
/// </summary>
/// <param name="points">A comma seperated list of co-ordinates defining the boundary box.</param>
/// <param name="accuracy">The <see cref="GeoAccuracy"/> of the search parameter.</param>
public BoundaryBox(string points, GeoAccuracy accuracy) : this(points)
{
_accuracy = accuracy;
}
/// <summary>
/// Constructor for the <see cref="BoundaryBox"/>
/// </summary>
/// <param name="points">A comma seperated list of co-ordinates defining the boundary box.</param>
public BoundaryBox(string points)
{
if( points == null ) throw new ArgumentNullException("points");
string[] splits = points.Split(',');
if( splits.Length != 4 )
throw new ArgumentException("Parameter must contain 4 values, seperated by commas.", "points");
try
{
MinimumLongitude = double.Parse(splits[0]);
MinimumLatitude = double.Parse(splits[1]);
MaximumLongitude = double.Parse(splits[2]);
MaximumLatitude = double.Parse(splits[3]);
}
catch(FormatException)
{
throw new ArgumentException("Unable to parse points as integer values", "points");
}
}
/// <summary>
/// Constructor for the <see cref="BoundaryBox"/>.
/// </summary>
/// <param name="minimumLongitude">The minimum longitude of the boundary box. Range of -180 to 180 allowed.</param>
/// <param name="minimumLatitude">The minimum latitude of the boundary box. Range of -90 to 90 allowed.</param>
/// <param name="maximumLongitude">The maximum longitude of the boundary box. Range of -180 to 180 allowed.</param>
/// <param name="maximumLatitude">The maximum latitude of the boundary box. Range of -90 to 90 allowed.</param>
/// <param name="accuracy">The <see cref="GeoAccuracy"/> of the search parameter.</param>
public BoundaryBox(double minimumLongitude, double minimumLatitude, double maximumLongitude, double maximumLatitude, GeoAccuracy accuracy) : this(minimumLongitude, minimumLatitude, maximumLongitude, maximumLatitude)
{
_accuracy = accuracy;
}
/// <summary>
/// Constructor for the <see cref="BoundaryBox"/>.
/// </summary>
/// <param name="minimumLongitude">The minimum longitude of the boundary box. Range of -180 to 180 allowed.</param>
/// <param name="minimumLatitude">The minimum latitude of the boundary box. Range of -90 to 90 allowed.</param>
/// <param name="maximumLongitude">The maximum longitude of the boundary box. Range of -180 to 180 allowed.</param>
/// <param name="maximumLatitude">The maximum latitude of the boundary box. Range of -90 to 90 allowed.</param>
public BoundaryBox(double minimumLongitude, double minimumLatitude, double maximumLongitude, double maximumLatitude)
{
MinimumLatitude = minimumLatitude;
MinimumLongitude = minimumLongitude;
MaximumLatitude = maximumLatitude;
MaximumLongitude = maximumLongitude;
}
/// <summary>
/// Overrides the ToString method.
/// </summary>
/// <returns>A comma seperated list of co-ordinates defining the boundary box.</returns>
public override string ToString()
{
return String.Format("{0},{1},{2},{3}", MinimumLongitude, MinimumLatitude, MaximumLongitude, MaximumLatitude);
}
/// <summary>
/// Example boundary box for the UK.
/// </summary>
public static BoundaryBox UK
{
get { return new BoundaryBox(-11.118164, 49.809632, 1.625977, 62.613562); }
}
/// <summary>
/// Example boundary box for Newcastle upon Tyne, England.
/// </summary>
public static BoundaryBox UKNewcastle
{
get { return new BoundaryBox(-1.71936, 54.935821, -1.389771, 55.145919); }
}
/// <summary>
/// Example boundary box for the USA (excludes Hawaii and Alaska).
/// </summary>
public static BoundaryBox USA
{
get { return new BoundaryBox(-130.429687, 22.43134, -58.535156, 49.382373); }
}
/// <summary>
/// Example boundary box for Canada.
/// </summary>
public static BoundaryBox Canada
{
get { return new BoundaryBox(-143.085937, 41.640078, -58.535156, 73.578167); }
}
/// <summary>
/// Example boundary box for the whole world.
/// </summary>
public static BoundaryBox World
{
get { return new BoundaryBox(-180, -90, 180, 90); }
}
}
}
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