private void updateLogEntry(string layer_key, string[] keys, IFeature srcFeature, IsdutEditEventType type)
{
if (!layer_key.ToLower().Equals("data_errors"))
{
IFeatureClass editFC = null;
try
{
editFC = this.transactionDB.OpenFeatureClass("E_" + layer_key);
}
catch (Exception e)
{
MessageBox.Show("Edit Feature Class For " + layer_key + " Not Found in Transaction",
"EXCEPTION", MessageBoxButtons.OK,
MessageBoxIcon.Error);
throw new HandledException(e);
}
IQueryFilter query = setupOIDFilter(srcFeature);
IFeatureCursor cursor = null;
try
{
cursor = editFC.Update(query, false);
IFeature updFeature = cursor.NextFeature();
if (updFeature != null)
{
// update
// shp
IGeometry geom = srcFeature.ShapeCopy;
if (geom is ITopologicalOperator2)
{
ITopologicalOperator2 geomtopo = (ITopologicalOperator2)geom;
geomtopo.IsKnownSimple_2 = false;
try
{
geomtopo.Simplify();
}
catch (Exception e)
{
Logger.Warn(e);
}
}
// need to reproject here!
geom.Project(((IGeoDataset)editFC).SpatialReference);
geom.SnapToSpatialReference();
updFeature.Shape = geom;
// edit fields
updFeature.set_Value(cursor.FindField(EDIT_UPDATE_TIMESTAMP), DateTime.Now);
string tp = null;
switch (type)
{
case IsdutEditEventType.Delete:
tp = DEL;
break;
case IsdutEditEventType.Insert:
tp = INS;
break;
case IsdutEditEventType.Update:
tp = UPD;
break;
case IsdutEditEventType.Retired:
tp = RET;
break;
}
updFeature.set_Value(cursor.FindField(EDIT_STATE), tp);
for (int i = 0; i < keys.Length; i++)
{
string val = srcFeature.get_Value(srcFeature.Fields.FindField(keys[i])).ToString();
int fieldIndex = updFeature.Fields.FindField(keys[i]);
// if we have a null primary key, we need to set the value to null as well, not empty string
if (string.IsNullOrEmpty(val))
{
val = null;
}
updFeature.set_Value(fieldIndex, val);
}
cursor.UpdateFeature(updFeature);
cursor.Flush();
}
else
{
Utils.Release(cursor);
cursor = editFC.Insert(false);
IFeatureBuffer buffer = editFC.CreateFeatureBuffer();
// keys
for (int i = 0; i < keys.Length; i++)
{
buffer.set_Value(cursor.FindField(keys[i]), srcFeature.get_Value(srcFeature.Fields.FindField(keys[i])));
}
// shp
IGeometry geom = srcFeature.ShapeCopy;
if (geom is ITopologicalOperator2)
{
ITopologicalOperator2 geomtopo = (ITopologicalOperator2)geom;
geomtopo.IsKnownSimple_2 = false;
try
{
geomtopo.Simplify();
}
catch (Exception e)
{
Logger.Warn(e);
}
}
// need to reproject here!
geom.Project(((IGeoDataset)editFC).SpatialReference);
geom.SnapToSpatialReference();
buffer.Shape = geom;
// edit fields
buffer.set_Value(cursor.FindField(EDIT_UPDATE_TIMESTAMP), DateTime.Now);
string tp = null;
switch (type)
{
case IsdutEditEventType.Delete:
tp = "DEL";
break;
case IsdutEditEventType.Insert:
tp = "INS";
break;
case IsdutEditEventType.Update:
tp = "UPD";
break;
case IsdutEditEventType.Retired:
tp = RET;
break;
}
buffer.set_Value(cursor.FindField(EDIT_STATE), tp);
buffer.set_Value(cursor.FindField(EDIT_OID_LOG), srcFeature.OID + "");
cursor.InsertFeature(buffer);
}
}
finally
{
if (query != null)
{
Utils.Release(query);
}
if (cursor != null)
{
Utils.Release(cursor);
}
}
}
}
public void log(IFeature feature, IsdutEditEventType type)
{
// is this an original feature? if yes cannot be inserted, if no cannot be deleted
// is this update really an extention of an insert? if yes update Time
string name = ((IDataset)feature.Table).Name;
string[] primary_keys = new string[1] { feature.Fields.get_Field(0).Name };
try
{
bool original_exists = checkPristine(name, primary_keys, feature);
if( original_exists )
{
if ( type == IsdutEditEventType.Insert )
{
// an undo from a delete?
type = IsdutEditEventType.Update;
}
}
else
{
if ( type == IsdutEditEventType.Delete )
{
// same as an undo after an insert
deleteLogEntry(name, primary_keys, feature);
return;
}
// always
type = IsdutEditEventType.Insert;
}
updateLogEntry(name,primary_keys,feature,type);
}
catch(HandledException e)
{
throw new HandledException(e.Exception);
}
catch(Exception e)
{
MessageBox.Show("Unexpected Error Logging Edit",
"EXCEPTION", MessageBoxButtons.OK,
MessageBoxIcon.Error);
throw new HandledException(e);
}
}
