public void AcceptChangesAppearAsUnchanged()
{
FeatureDataTable table = new FeatureDataTable();
FeatureDataRow row = table.NewRow();
table.AddRow(row);
table.AcceptChanges();
Assert.AreEqual(DataRowState.Unchanged, row.RowState);
}
public void AcceptChangesReturnsNullChangesTable()
{
FeatureDataTable table = new FeatureDataTable();
FeatureDataRow row = table.NewRow();
table.AddRow(row);
table.AcceptChanges();
FeatureDataTable changes = table.GetChanges();
Assert.IsNull(changes);
}
public void AcceptChangesAppearAsUnchanged()
{
FeatureDataTable table = new FeatureDataTable(_factories.GeoFactory);
FeatureDataRow row = table.NewRow();
table.AddRow(row);
table.AcceptChanges();
Assert.Equal(DataRowState.Unchanged, row.RowState);
}
public void AcceptChangesReturnsNullChangesTable()
{
FeatureDataTable table = new FeatureDataTable(_factories.GeoFactory);
FeatureDataRow row = table.NewRow();
table.AddRow(row);
table.AcceptChanges();
FeatureDataTable changes = table.GetChanges();
Assert.Null(changes);
}
/// <summary>
/// Initializes a new instance of the <see cref="GeometryProvider"/>
/// </summary>
/// <param name="geometry">Geometry to be in this datasource</param>
public GeometryFeatureProvider(Geometry geometry)
{
_features = new FeatureDataTable();
var fdr = _features.NewRow();
fdr.Geometry = geometry;
if (geometry != null)
{
SRID = geometry.SRID;
}
_features.AddRow(fdr);
_features.AcceptChanges();
_features.TableCleared += HandleFeaturesCleared;
_features.Constraints.CollectionChanged += HandleConstraintsCollectionChanged;
}
private int _oid = -1; // primary key index from fdt schema or subsequently added unique constraint
#region constructors
/// <summary>
/// Initializes a new instance of the <see cref="GeometryProvider"/>
/// </summary>
/// <param name="geometries">Set of geometries that this datasource should contain</param>
public GeometryFeatureProvider(IEnumerable <Geometry> geometries)
{
_features = new FeatureDataTable();
_features.BeginLoadData();
foreach (var geom in geometries)
{
var fdr = _features.NewRow();
fdr.Geometry = geom;
_features.AddRow(fdr);
}
_features.AcceptChanges();
_features.EndLoadData();
_features.TableCleared += HandleFeaturesCleared;
_features.Constraints.CollectionChanged += HandleConstraintsCollectionChanged;
if (_features.Count > 0 && _features[0].Geometry != null)
{
SRID = _features[0].Geometry.SRID;
}
}
/// <summary>
/// gets realtime data from public transport in city vilnius of lithuania
/// </summary>
private void GetVilniusTransportData(string line)
{
if (_isActive)
{
return;
}
_isActive = true;
//List<FeatureDataRow> newFeatures = new List<FeatureDataRow>();
FeatureDataTable fdt = VehicleDataTable();
string url = "http://www.troleibusai.lt/puslapiai/services/vehiclestate.php?type=";
switch (_transportType)
{
case TransportType.Bus:
{
url += "bus";
}
break;
case TransportType.TrolleyBus:
{
url += "trolley";
}
break;
}
if (!string.IsNullOrEmpty(line))
{
url += "&line=" + line;
}
url += "&app=SharpMap.WinFormSamples";
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Timeout = Timeout;
request.ReadWriteTimeout = request.Timeout;
request.Accept = "*/*";
request.KeepAlive = false;
string xml;
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
if (response == null)
{
return;
}
using (Stream responseStream = response.GetResponseStream())
{
if (responseStream == null)
{
return;
}
using (StreamReader read = new StreamReader(responseStream))
{
xml = read.ReadToEnd();
}
}
}
XmlDocument doc = new XmlDocument();
{
doc.LoadXml(xml);
XmlNodeList devices = doc.GetElementsByTagName("Device");
foreach (XmlNode dev in devices)
{
if (dev.Attributes == null)
{
continue;
}
double? lat = null, lng = null;
FeatureDataRow dr = fdt.NewRow();
dr["Id"] = int.Parse(dev.Attributes["ID"].InnerText);
foreach (XmlElement elem in dev.ChildNodes)
{
// Debug.WriteLine(d.Id + "->" + elem.Name + ": " + elem.InnerText);
switch (elem.Name)
{
case "Lat":
lat = double.Parse(elem.InnerText, CultureInfo.InvariantCulture);
break;
case "Lng":
lng = double.Parse(elem.InnerText, CultureInfo.InvariantCulture);
break;
case "Bearing":
if (!string.IsNullOrEmpty(elem.InnerText))
{
dr["Bearing"] = double.Parse(elem.InnerText, CultureInfo.InvariantCulture);
}
break;
case "LineNum":
dr["Line"] = elem.InnerText;
break;
case "AreaName":
dr["AreaName"] = elem.InnerText;
break;
case "StreetName":
dr["StreetName"] = elem.InnerText;
break;
case "TrackType":
dr["TrackType"] = elem.InnerText;
break;
case "LastStop":
dr["LastStop"] = elem.InnerText;
break;
case "Time":
dr["Time"] = elem.InnerText;
break;
}
}
if (lat.HasValue && lng.HasValue)
{
dr.Geometry = _factory.CreatePoint(new Coordinate(lng.Value, lat.Value));
fdt.Rows.Add(dr);
}
}
}
Features.Clear();
FeatureDataTable features = (FeatureDataTable)Features;
foreach (FeatureDataRow featureDataRow in fdt.Rows)
{
FeatureDataRow fdr = features.NewRow();
fdr.ItemArray = featureDataRow.ItemArray;
fdr.Geometry = featureDataRow.Geometry;
features.AddRow(fdr);
}
features.AcceptChanges();
_isActive = false;
}