private Graphic GenerateGraphic(CitynamesEntityItem item, Color color)
{
MapPoint point = new MapPoint(item.Longitude, item.Latitude, SpatialReferences.Wgs84);
var graphic = new Graphic(point);
var symbol = new SimpleMarkerSymbol
{
Style = SimpleMarkerStyle.Circle,
Color = color,
Size = 4
};
graphic.Symbol = symbol;
graphic.Attributes["Name"] = item.Name;
return(graphic);
}
public CitynamesEntity RetrieveEntity()
{
if (!File.Exists(this.filePath))
{
throw new FileNotFoundException(this.filePath);
}
var result = new CitynamesEntity();
using (var reader = new StreamReader(this.filePath))
{
string pattern = @"\s+";
string line = reader.ReadLine()?.Trim();
if (string.IsNullOrEmpty(line))
{
throw new InvalidDataException(this.filePath);
}
var array = Regex.Split(line, pattern);
result.Description = array[0];
var count = 0;
while ((line = reader.ReadLine()?.Trim()) != null)
{
count++;
array = Regex.Split(line, pattern);
if (array.Length != 3)
{
throw new InvalidDataException(this.filePath);
}
var item = new CitynamesEntityItem();
item.Longitude = Convert.ToSingle(array[0]);
item.Latitude = Convert.ToSingle(array[1]);
item.Name = array[2];
result.Items.Add(item);
}
}
return(result);
}
