private void ReportCumulativeValues(ISchematicInMemoryFeature schFeat1, ISchematicInMemoryFeature schFeat2, ISchematicInMemoryFeature schTargetFeat)
{
if (schFeat1 == null || schFeat2 == null || schTargetFeat == null)
{
return;
}
// assume the attribute field name is the same on every schematic feature link classes
IFields linkFields = schFeat1.Fields;
int iIndex = linkFields.FindField(m_lengthAttributeName);
if (iIndex < 0)
{
return; // attribute field does not exist
}
object value1 = schFeat1.get_Value(iIndex);
linkFields = schFeat2.Fields;
iIndex = linkFields.FindField(m_lengthAttributeName);
if (iIndex < 0)
{
return; // attribute field does not exist
}
object value2 = schFeat2.get_Value(iIndex);
double dValue1 = 0;
double dValue2 = 0;
if (!DBNull.Value.Equals(value1))
{
try
{
dValue1 = Convert.ToDouble(value1);
}
catch { }
}
if (!DBNull.Value.Equals(value2))
{
try
{
dValue2 = Convert.ToDouble(value2);
}
catch { }
}
// assume the values to be numeric
double dlength = dValue1 + dValue2;
linkFields = schTargetFeat.Fields;
iIndex = linkFields.FindField(m_lengthAttributeName);
if (iIndex < 0)
{
return; // attribute field does not exist
}
schTargetFeat.set_Value(iIndex, dlength);
}
void OnBeforeRemoveFeature(ISchematicInMemoryFeature inMemoryFeature, ref bool canRemove)
{
if (State != ESRI.ArcGIS.Desktop.AddIns.ExtensionState.Enabled)
{
return;
}
ESRI.ArcGIS.Geodatabase.IDataset esriData = (ESRI.ArcGIS.Geodatabase.IDataset)inMemoryFeature.SchematicDiagram.SchematicDiagramClass.SchematicDataset;
// Remove only elements contained in a specific Schematic dataset
if (esriData.Name != SampleDatasetName)
{
return;
}
// Remove only elements contained in a specific type of diagram
if (inMemoryFeature.SchematicDiagram.SchematicDiagramClass.Name != DiagramClassName)
{
return;
}
canRemove = false;
// can't remove SubStation
if (inMemoryFeature.SchematicElementClass.Name == "InsidePlant_SubStation")
{
return;
}
ISchematicDiagramClass schemDiagramClass;
schemDiagramClass = (ISchematicDiagramClass)inMemoryFeature.SchematicDiagram.SchematicDiagramClass;
// For this specific diagram type, we retrieve the datasource
// and the tables where the elements are stored
ISchematicDataSource schemDataSource = schemDiagramClass.SchematicDataSource;
string tableName = "";
switch (inMemoryFeature.SchematicElementClass.SchematicElementType)
{
case esriSchematicElementType.esriSchematicNodeType:
tableName = TableNameNodes;
break;
case esriSchematicElementType.esriSchematicLinkType:
tableName = TableNameLinks;
break;
case esriSchematicElementType.esriSchematicDrawingType:
return;
break;
}
// Retrieve Feature Workspace
ESRI.ArcGIS.Geodatabase.IWorkspace esriWorkspace = (ESRI.ArcGIS.Geodatabase.IWorkspace)schemDataSource.Object;
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace esriFeatureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)esriWorkspace;
// Get Attributes values
ISchematicAttributeContainer schemAttribCont = (ISchematicAttributeContainer)inMemoryFeature.SchematicElementClass;
ISchematicAttributeContainer schemFatherAttribCont = (ISchematicAttributeContainer)inMemoryFeature.SchematicElementClass.Parent;
if ((!(schemAttribCont.GetSchematicAttribute(AttributeNameObjectID, false) == null) ||
!(schemFatherAttribCont.GetSchematicAttribute(AttributeNameObjectID, false) == null)))
{
int indField = inMemoryFeature.Fields.FindFieldByAliasName(AttributeNameObjectID);
int OID = int.Parse(inMemoryFeature.get_Value(indField).ToString(), System.Globalization.NumberStyles.Integer);
//Get table and row
ESRI.ArcGIS.Geodatabase.ITable esriTable = esriFeatureWorkspace.OpenTable(tableName);
ESRI.ArcGIS.Geodatabase.IRow esriRow = esriTable.GetRow(OID);
// When the row is identified in the table, it is deleted and
// the CanRemove returns True so that the associated
// schematic element is graphically removed from the active diagram
if (!(esriRow == null))
{
esriRow.Delete();
canRemove = true;
}
}
}
void OnBeforeRemoveFeature(ISchematicInMemoryFeature inMemoryFeature, ref bool canRemove)
{
if (State != ESRI.ArcGIS.Desktop.AddIns.ExtensionState.Enabled) return;
ESRI.ArcGIS.Geodatabase.IDataset esriData = (ESRI.ArcGIS.Geodatabase.IDataset)inMemoryFeature.SchematicDiagram.SchematicDiagramClass.SchematicDataset;
// Remove only elements contained in a specific Schematic dataset
if (esriData.Name != SampleDatasetName) return;
// Remove only elements contained in a specific type of diagram
if (inMemoryFeature.SchematicDiagram.SchematicDiagramClass.Name != DiagramClassName) return;
canRemove = false;
// can't remove SubStation
if (inMemoryFeature.SchematicElementClass.Name == "InsidePlant_SubStation") return;
ISchematicDiagramClass schemDiagramClass;
schemDiagramClass = (ISchematicDiagramClass)inMemoryFeature.SchematicDiagram.SchematicDiagramClass;
// For this specific diagram type, we retrieve the datasource
// and the tables where the elements are stored
ISchematicDataSource schemDataSource = schemDiagramClass.SchematicDataSource;
string tableName = "";
switch (inMemoryFeature.SchematicElementClass.SchematicElementType)
{
case esriSchematicElementType.esriSchematicNodeType:
tableName = TableNameNodes;
break;
case esriSchematicElementType.esriSchematicLinkType:
tableName = TableNameLinks;
break;
case esriSchematicElementType.esriSchematicDrawingType:
return;
break;
}
// Retrieve Feature Workspace
ESRI.ArcGIS.Geodatabase.IWorkspace esriWorkspace = (ESRI.ArcGIS.Geodatabase.IWorkspace)schemDataSource.Object;
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace esriFeatureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)esriWorkspace;
// Get Attributes values
ISchematicAttributeContainer schemAttribCont = (ISchematicAttributeContainer)inMemoryFeature.SchematicElementClass;
ISchematicAttributeContainer schemFatherAttribCont = (ISchematicAttributeContainer)inMemoryFeature.SchematicElementClass.Parent;
if ((!(schemAttribCont.GetSchematicAttribute(AttributeNameObjectID, false) == null)
|| !(schemFatherAttribCont.GetSchematicAttribute(AttributeNameObjectID, false) == null)))
{
int indField = inMemoryFeature.Fields.FindFieldByAliasName(AttributeNameObjectID);
int OID = int.Parse(inMemoryFeature.get_Value(indField).ToString(), System.Globalization.NumberStyles.Integer);
//Get table and row
ESRI.ArcGIS.Geodatabase.ITable esriTable = esriFeatureWorkspace.OpenTable(tableName);
ESRI.ArcGIS.Geodatabase.IRow esriRow = esriTable.GetRow(OID);
// When the row is identified in the table, it is deleted and
// the CanRemove returns True so that the associated
// schematic element is graphically removed from the active diagram
if (!(esriRow == null))
{
esriRow.Delete();
canRemove = true;
}
}
}
private void ReportCumulativeValues(ISchematicInMemoryFeature schFeat1, ISchematicInMemoryFeature schFeat2, ISchematicInMemoryFeature schTargetFeat)
{
if (schFeat1 == null || schFeat2 == null || schTargetFeat == null)
return;
// assume the attribute field name is the same on every schematic feature link classes
IFields linkFields = schFeat1.Fields;
int iIndex = linkFields.FindField(m_lengthAttributeName);
if (iIndex < 0) return; // attribute field does not exist
object value1 = schFeat1.get_Value(iIndex);
linkFields = schFeat2.Fields;
iIndex = linkFields.FindField(m_lengthAttributeName);
if (iIndex < 0) return; // attribute field does not exist
object value2 = schFeat2.get_Value(iIndex);
double dValue1 = 0;
double dValue2 = 0;
if (!DBNull.Value.Equals(value1))
{
try
{
dValue1 = Convert.ToDouble(value1);
}
catch { }
}
if (!DBNull.Value.Equals(value2))
{
try
{
dValue2 = Convert.ToDouble(value2);
}
catch{ }
}
// assume the values to be numeric
double dlength = dValue1 + dValue2;
linkFields = schTargetFeat.Fields;
iIndex = linkFields.FindField(m_lengthAttributeName);
if (iIndex < 0) return; // attribute field does not exist
schTargetFeat.set_Value(iIndex, dlength);
}