//Creates lastValueProperties Property Set which stores fields and values for last value method
private void constructFieldArray()
{
// Assume we are in an edit session
if (ArcMap.Editor.EditWorkspace == null)
{
return;
}
// Open defaults table
IDataset dataset = m_dynDefaults as IDataset;
IQueryFilter qFilter = new QueryFilterClass();
qFilter.WhereClause = "ValueMethod = 'LAST_VALUE'";
lastValueProperties = new PropertySetClass();
if (m_dynDefaults != null)
{
ICursor tabCursor = m_dynDefaults.Search(qFilter, true);
IRow row = tabCursor.NextRow();
while (row != null)
{
object objRow = row.get_Value(dynTargetField);
object nullObject = null;
lastValueProperties.SetProperty(objRow.ToString(), nullObject);
row = tabCursor.NextRow();
}
}
}
//Creates lastValueProperties Property Set which stores fields and values for last value method
private void constructFieldArray()
{
// Assume we are in an edit session
if (ArcMap.Editor.EditWorkspace == null) return;
// Open defaults table
IDataset dataset = m_dynDefaults as IDataset;
IQueryFilter qFilter = new QueryFilterClass();
qFilter.WhereClause = "ValueMethod = 'LAST_VALUE'";
lastValueProperties = new PropertySetClass();
if (m_dynDefaults != null)
{
ICursor tabCursor = m_dynDefaults.Search(qFilter, true);
IRow row = tabCursor.NextRow();
while (row != null)
{
object objRow = row.get_Value(dynTargetField);
object nullObject = null;
lastValueProperties.SetProperty(objRow.ToString(), nullObject);
row = tabCursor.NextRow();
}
}
}
private void setDynamicDefaults(IObject inObject, string mode)
{
try
{
//Convert row to feature (test for feature is null before using - this could be a table update)
IFeature inFeature = inObject as IFeature;
// Skip Orphan Junctions (saves time)
if (inFeature != null)
{
INetworkFeature inNetFeat = inObject as INetworkFeature;
if ((inNetFeat != null) &&
(inFeature.Class.ObjectClassID == inNetFeat.GeometricNetwork.OrphanJunctionFeatureClass.ObjectClassID))
{
return;
}
}
//Get cursor to dynamic values table retriving only
ICursor tabCursor;
getDefaultRows(inObject, out tabCursor);
IRow row = null;
if (tabCursor != null)
{
row = tabCursor.NextRow();
}
//for each row in the matching rows (matched by table name or wildcard) returned from the config table
while (row != null)
{
//get fieldname
string fieldName = row.get_Value(dynTargetField).ToString();
//if this field is found in the feature/object being added or modified...
int fieldNum = inObject.Fields.FindField(fieldName);
if (fieldNum > -1)
{
// get requested method and any data parameters
string valMethod = row.get_Value(dynMethodField).ToString();
string valData = row.get_Value(dynDataField).ToString();
switch (mode)
{
case "OnCreate":
//Continue to next field in config table if create events were not requested
if (row.get_Value(dynCreateField).ToString() == "0")
{
row = tabCursor.NextRow();
continue;
}
break;
case "OnChange":
// Collect value for changed feature (stored for LAST VALUE method)
IRowChanges inChanges = inObject as IRowChanges;
bool changed = inChanges.get_ValueChanged(fieldNum);
if (changed)
{
lastValueProperties.SetProperty(fieldName, inObject.get_Value(fieldNum));
}
//Continue to next field in config table if change events were not requested
if (row.get_Value(dynChangeField).ToString() == "0")
{
row = tabCursor.NextRow();
continue;
}
break;
}
// set values as specified
switch (valMethod)
{
case "TIMESTAMP":
inObject.set_Value(fieldNum, DateTime.Now);
break;
case "LAST_VALUE":
if (mode == "OnCreate")
{
//if (inObject.get_Value(fieldNum) == null)
//{
object lastValue = lastValueProperties.GetProperty(fieldName);
if (lastValue != null)
{
inObject.set_Value(fieldNum, lastValue);
}
//}
}
break;
case "FIELD":
// verify that field to copy exists
int fieldCopy = inObject.Fields.FindField(valData as string);
if (fieldCopy > -1)
{
//copy value only if current field is empty
string currentValue = inObject.get_Value(fieldNum).ToString();
if (currentValue == "")
{
inObject.set_Value(fieldNum, inObject.get_Value(fieldCopy));
}
}
break;
case "CURRENT_USER":
if (lastEditorName == null)
{
lastEditorName = getCurrentUser();
}
inObject.set_Value(fieldNum, lastEditorName);
break;
case "GUID":
if (mode == "OnCreate") // SHould only set this once on create to give the object a unique value
{
object currentValue = inObject.get_Value(fieldNum);
if (DBNull.Value == currentValue) // Do not overwrite if someone else has already generated
{
Guid g = Guid.NewGuid();
inObject.set_Value(fieldNum, g.ToString("B").ToUpper());
}
}
break;
case "EXPRESSION":
if (mode == "OnCreate")
{
if (inFeature != null & valData != null)
{
try
{
int calcField = inFeature.Fields.FindField(fieldName);
//if (inFeature.get_Value(calcField) == null)
//{
int[] fids = { inFeature.OID };
IGeoDatabaseBridge gdbBridge = new GeoDatabaseHelperClass();
IFeatureCursor fCursor = (IFeatureCursor)gdbBridge.GetFeatures((IFeatureClass)inFeature.Class, ref fids, false);
ICalculator calc = new CalculatorClass();
calc.Expression = valData;
calc.Field = fieldName;
calc.Cursor = (ICursor)fCursor;
calc.ShowErrorPrompt = false;
ICalculatorCallback calculatorCallback = new CalculatorCallback();
calc.Callback = calculatorCallback;
calc.Calculate();
calculatorCallback = null;
//}
}
catch { }
}
}
break;
default:
break;
}
}
row = tabCursor.NextRow();
}
if (null != tabCursor)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(tabCursor);
}
}
catch (Exception ex)
{
_logHelper.addLogEntry(DateTime.Now.ToString(), "ERROR", "Error applying dynamic defaults.", ex.ToString());
MessageBox.Show("Error: \n" + ex.ToString());
}
}