//public static FiberSpliceConnectionHelper Instance(object hook, ESRI.ArcGIS.Editor.IEditor editor)
//{
// if (_instance != null)
// {
// return _instance;
// }
// else
// {
// _instance = new FiberSpliceConnectionHelper(hook, editor);
// return _instance;
// }
//}
/// <summary>
/// Gets a list of cable features that are connected to the splice closure in the geometric network
/// </summary>
/// <param name="spliceClosure">Splice to check</param>
/// <returns>List of IFeature</returns>
public List <ESRI.ArcGIS.Geodatabase.IFeature> GetConnectedCables(SpliceClosureWrapper spliceClosure)
{
// At the time of this comment, splicable means they are connected in the
// geometric network and the splice closure "touches" one of the ends of the cable
List <ESRI.ArcGIS.Geodatabase.IFeature> result = new List <ESRI.ArcGIS.Geodatabase.IFeature>();
if (null == spliceClosure)
{
throw new ArgumentNullException("spliceClosure");
}
ESRI.ArcGIS.Geometry.IRelationalOperator relOp = spliceClosure.Feature.Shape as ESRI.ArcGIS.Geometry.IRelationalOperator;
if (relOp == null)
{
throw new ArgumentNullException("spliceClosure");
}
ESRI.ArcGIS.Geodatabase.ISimpleJunctionFeature junction = spliceClosure.Feature as ESRI.ArcGIS.Geodatabase.ISimpleJunctionFeature;
if (null != junction)
{
for (int i = 0; i < junction.EdgeFeatureCount; i++)
{
ESRI.ArcGIS.Geodatabase.IFeature connectedEdge = junction.get_EdgeFeature(i) as ESRI.ArcGIS.Geodatabase.IFeature;
ESRI.ArcGIS.Geodatabase.IDataset dataset = connectedEdge.Class as ESRI.ArcGIS.Geodatabase.IDataset;
string ftClassName = GdbUtils.ParseTableName(dataset);
if (0 == string.Compare(ftClassName, ConfigUtil.FiberCableFtClassName, true))
{
// Test feature edge is coincident with splice closure. Cables are
// complex features so splice might lie half way along some cables
// but will not be providing any splice connectivity to them.
if (relOp.Touches(connectedEdge.Shape)) // only true if point at either end of a line
{
result.Add(connectedEdge);
}
}
}
}
return(result);
}
/// <summary>
/// Gets all cables that are considered splicable to another cable at a given splice closure.
/// </summary>
/// <param name="cable">Cable to splice with</param>
/// <param name="spliceClosure">Splice Closure to splice at</param>
/// <returns>List of SpliceableCableWrapper</returns>
public List <SpliceableCableWrapper> GetSpliceableCables(FiberCableWrapper cable, SpliceClosureWrapper spliceClosure)
{
// At the time of this comment, splicable means they are connected in the geometric network
List <SpliceableCableWrapper> result = new List <SpliceableCableWrapper>();
if (null == cable)
{
throw new ArgumentNullException("cable");
}
if (null == spliceClosure)
{
throw new ArgumentNullException("spliceClosure");
}
int searchOid = cable.Feature.OID;
ESRI.ArcGIS.Geodatabase.IEdgeFeature cableFt = cable.Feature as ESRI.ArcGIS.Geodatabase.IEdgeFeature;
ESRI.ArcGIS.Carto.IFeatureLayer ftLayer = _hookHelper.FindFeatureLayer(ConfigUtil.FiberCableFtClassName);
int displayIdx = ftLayer.FeatureClass.FindField(ftLayer.DisplayField);
if (null != cableFt)
{
// We assume it is simple. Complex junctions are not supported for splicing cables
ESRI.ArcGIS.Geodatabase.ISimpleJunctionFeature junction = spliceClosure.Feature as ESRI.ArcGIS.Geodatabase.ISimpleJunctionFeature;
if (null != junction)
{
bool isAFromEnd = false; // would be in the case that junction.EID == cableFt.ToJunctionEID
if (junction.EID == cableFt.FromJunctionEID)
{
isAFromEnd = true;
}
else if (junction.EID != cableFt.ToJunctionEID)
{
// It isn't the from or the two? It shouldn't have been passed in as if it was coincident with the cable
return(result);
// throw new InvalidOperationException("Given splice closure is not the junction for the given cable.");
}
int edgeCount = junction.EdgeFeatureCount;
for (int i = 0; i < edgeCount; i++)
{
ESRI.ArcGIS.Geodatabase.IEdgeFeature connectedEdge = junction.get_EdgeFeature(i);
ESRI.ArcGIS.Geodatabase.IFeature feature = (ESRI.ArcGIS.Geodatabase.IFeature)connectedEdge;
ESRI.ArcGIS.Geodatabase.IDataset dataset = feature.Class as ESRI.ArcGIS.Geodatabase.IDataset;
string featureClassName = GdbUtils.ParseTableName(dataset);
if (0 == string.Compare(featureClassName, ConfigUtil.FiberCableFtClassName) &&
feature.OID != searchOid)
{
if (junction.EID == connectedEdge.FromJunctionEID)
{
result.Add(new SpliceableCableWrapper(feature, true, isAFromEnd, displayIdx));
}
else if (junction.EID == connectedEdge.ToJunctionEID)
{
result.Add(new SpliceableCableWrapper(feature, false, isAFromEnd, displayIdx));
}
}
}
}
}
return(result);
}