async private Task <bool> ImportToNewFeatureclass(IFeatureDataset destDS, string fcname, IFeatureClass sourceFC, FieldTranslation fieldTranslation, bool project, List <IQueryFilter> filters, DatasetNameCase namecase, geometryType?sourceGeometryType = null)
{
if (!_cancelTracker.Continue)
{
return(true);
}
switch (namecase)
{
case DatasetNameCase.upper:
fcname = fcname.ToUpper();
fieldTranslation.ToUpper();
break;
case DatasetNameCase.lower:
fcname = fcname.ToLower();
fieldTranslation.ToLower();
break;
case DatasetNameCase.classNameUpper:
fcname = fcname.ToUpper();
break;
case DatasetNameCase.classNameLower:
fcname = fcname.ToLower();
break;
case DatasetNameCase.fieldNamesUpper:
fieldTranslation.ToUpper();
break;
case DatasetNameCase.fieldNamesLower:
fieldTranslation.ToLower();
break;
}
try
{
fcname = fcname.Replace(".", "_");
if (destDS == null)
{
_errMsg = "Argument Exception";
return(false);
}
IFeatureDatabase fdb = destDS.Database as IFeatureDatabase;
if (!(fdb is IFeatureUpdater))
{
_errMsg = "Database don't implement IFeatureUpdater...";
return(false);
}
IDatasetElement destLayer = await destDS.Element(fcname);
if (destLayer != null)
{
if (ReportRequest != null)
{
RequestArgs args = new RequestArgs(
"Featureclass " + fcname + " already exists in database\nDo want to replace it?",
MessageBoxButtons.YesNoCancel,
DialogResult.Cancel);
ReportRequest(this, args);
switch (args.Result)
{
case DialogResult.No:
return(true);
case DialogResult.Cancel:
_errMsg = "Import is canceled by the user...";
return(false);
}
}
}
if (destLayer != null)
{
await fdb.DeleteFeatureClass(fcname);
}
GeometryDef geomDef = new GeometryDef(sourceFC);
if (geomDef.GeometryType == geometryType.Unknown && sourceGeometryType != null)
{
geomDef.GeometryType = sourceGeometryType.Value;
}
int fcID = await fdb.CreateFeatureClass(destDS.DatasetName,
fcname,
geomDef,
(fieldTranslation == null)?
((sourceFC.Fields != null) ? (IFields)sourceFC.Fields.Clone() : new Fields()) :
fieldTranslation.DestinationFields);
if (fcID < 0)
{
_errMsg = "Can't create featureclass " + fcname + "...\r\n" + fdb.LastErrorMessage;
destDS.Dispose();
return(false);
}
destLayer = await destDS.Element(fcname);
if (destLayer == null || !(destLayer.Class is IFeatureClass))
{
_errMsg = "Can't load featureclass " + fcname + "...\r\n" + destDS.LastErrorMessage;
destDS.Dispose();
return(false);
}
IFeatureClass destFC = destLayer.Class as IFeatureClass;
if (project && destFC.SpatialReference != null && !destFC.SpatialReference.Equals(sourceFC.SpatialReference))
{
_transformer = GeometricTransformerFactory.Create();
//_transformer.FromSpatialReference = sourceFC.SpatialReference;
//_transformer.ToSpatialReference = destFC.SpatialReference;
_transformer.SetSpatialReferences(sourceFC.SpatialReference, destFC.SpatialReference);
}
var importBufferSizeAttribute = destFC.GetType().GetCustomAttribute <ImportFeaturesBufferSizeAttribute>();
if (importBufferSizeAttribute != null && importBufferSizeAttribute.BufferSize > 0)
{
this.FeatureBufferSize = importBufferSizeAttribute.BufferSize;
}
if (_cancelTracker.Continue)
{
bool result = true;
if (fdb is IFeatureImportEvents)
{
((IFeatureImportEvents)fdb).BeforeInsertFeaturesEvent(sourceFC, destFC);
}
if (!_schemaOnly)
{
result = await CopyFeatures(sourceFC, fdb, destFC, fieldTranslation, filters);
}
if (!result)
{
await fdb.DeleteFeatureClass(fcname);
destDS.Dispose();
return(false);
}
if (fdb is IFeatureImportEvents)
{
((IFeatureImportEvents)fdb).AfterInsertFeaturesEvent(sourceFC, destFC);
}
}
if (fdb is IFileFeatureDatabase)
{
if (!((IFileFeatureDatabase)fdb).Flush(destFC))
{
_errMsg = "Error executing flush for file database..." + fdb.LastErrorMessage;
return(false);
}
}
destDS.Dispose();
if (_cancelTracker.Continue)
{
return(true);
}
else
{
await fdb.DeleteFeatureClass(fcname);
_errMsg = "Import is canceled by the user...";
return(false);
}
}
finally
{
if (_transformer != null)
{
_transformer.Release();
_transformer = null;
}
}
}
