/// <summary>
/// Add all sub-features to the parent feature recursively.
/// </summary>
/// <param name="parent"></param>
public void CreateTopDownNetwork(HydroFeature parent)
{
string sql = "select * from " + Configuration.HydroFeaturesTableName + " where ParentFeatureID=" + parent.ID;
DataTable dt = mDBase.QueryDataTable(sql);
if (dt != null)
{
foreach (DataRow dr in dt.Rows)
{
int id = Convert.ToInt32(dr["FeatureID"].ToString());
string type = dr["FeatureType"].ToString();
string name = dr["FeatureName"].ToString();
string des = dr["Descriptions"].ToString();
HydroFeatureType htype = HydroFeatureFactory.GetHydroFeaturetype(type);
HydroFeature feature = HydroFeatureFactory.CreateHydroFeature(id, name, des, htype);
if (feature.HydroFeatureType == HydroFeatureType.HydroPoint)
{
feature = mODMDataAdaptor.GetSiteInfo(id);
}
parent.SubFeatures.Add(feature);
feature.ParentFeatures.Add(parent);
if (feature.HydroFeatureType != HydroFeatureType.HydroPoint)
{
CreateTopDownNetwork(feature);
}
}
}
}
public static HydroFeature GetHydroFeature(int id, IDBase dBase)
{
string sql = "select * from " + Configuration.HydroFeaturesTableName + " where FeatureID=" + id;
DataTable dt = dBase.QueryDataTable(sql);
if (dt != null)
{
DataRow dr = dt.Rows[0];
string type = dr["FeatureType"].ToString();
string name = dr["FeatureName"].ToString();
string des = dr["Descriptions"].ToString();
HydroFeatureType htype = HydroFeatureFactory.GetHydroFeaturetype(type);
return(CreateHydroFeature(id, name, des, htype));
}
else
{
return(null);
}
}
public static HydroFeatureType GetHydroFeaturetype(string type)
{
HydroFeatureType t = HydroFeatureType.Unknown;
switch (type)
{
case "Watershed":
t = HydroFeatureType.Watershed;
break;
case "Basin":
t = HydroFeatureType.Basin;
break;
case "River":
t = HydroFeatureType.River;
break;
case "Site":
t = HydroFeatureType.Site;
break;
case "HydroPoint":
t = HydroFeatureType.HydroPoint;
break;
case "Irrigation System":
t = HydroFeatureType.IrrigationSystem;
break;
case "Lake":
t = HydroFeatureType.Lake;
break;
case "Unknown":
t = HydroFeatureType.Unknown;
break;
}
return(t);
}
public static HydroFeature CreateHydroFeature(int id, string name, string descrip, HydroFeatureType type)
{
HydroFeature feature = null;
switch (type)
{
case HydroFeatureType.Basin:
feature = new Basin(id);
break;
case HydroFeatureType.Watershed:
feature = new Watershed(id);
break;
case HydroFeatureType.River:
feature = new River(id);
break;
case HydroFeatureType.Site:
feature = new HydroPoint(id);
break;
case HydroFeatureType.HydroPoint:
feature = new HydroPoint(id);
break;
case HydroFeatureType.IrrigationSystem:
feature = new IrrigationSystem(id);
break;
}
feature.Name = name;
feature.Comments = descrip;
return(feature);
}
