///////////////////////////////////////////////////////////////////////////////////////
//
// ISchematicAlgorithm interface : Defines its properties and methods (mandatory)
//
#region Implements ISchematicAlgorithm
public bool get_Enabled(ISchematicLayer schematicLayer)
{
if (schematicLayer == null)
{
return(false);
}
// an algorithm needs the diagram to be in editing mode in order to run
if (!schematicLayer.IsEditingSchematicDiagram())
{
return(false);
}
IEnumSchematicFeature enumFeatures = schematicLayer.GetSchematicSelectedFeatures(true);
if (enumFeatures == null)
{
return(false);
}
// Count the selected nodes
int iCount = 0;
ISchematicFeature feature;
enumFeatures.Reset();
feature = enumFeatures.Next();
while (feature != null && iCount < 2)
{
ISchematicInMemoryFeatureClass inMemoryFeatureClass;
// just want SchematicFeatureNode
inMemoryFeatureClass = (ISchematicInMemoryFeatureClass)feature.Class;
if (inMemoryFeatureClass.SchematicElementClass.SchematicElementType == esriSchematicElementType.esriSchematicNodeType)
{
iCount++;
}
feature = enumFeatures.Next();
}
if (iCount == 1)
{
return(true); // just want one selected node
}
else
{
return(false);
}
}
protected override void OnUpdate()
{
// the tool is enable only if the diagram is in memory
try
{
if (ArcMap.Application == null)
{
Enabled = false;
return;
}
SetTargetLayer();
if (m_schematicLayer == null)
{
Enabled = false;
return;
}
if (m_schematicLayer.IsEditingSchematicDiagram() == false)
{
Enabled = false;
if (m_dockableWindow != null)
{
m_dockableWindow.Show(false);
}
return;
}
ISchematicInMemoryDiagram inMemoryDiagram = m_schematicLayer.SchematicInMemoryDiagram;
if (inMemoryDiagram == null)
{
Enabled = false;
}
else
{
Enabled = true;
}
}
catch (System.Exception e)
{
System.Windows.Forms.MessageBox.Show(e.Message);
}
return;
}
///////////////////////////////////////////////////////////////////////////////////////
//
// ISchematicAlgorithm interface : Defines its properties and methods (mandatory)
//
#region Implements ISchematicAlgorithm
public bool get_Enabled(ISchematicLayer schematicLayer)
{
if (schematicLayer == null)
return false;
// an algorithm needs the diagram to be in editing mode in order to run
if (!schematicLayer.IsEditingSchematicDiagram())
return false;
IEnumSchematicFeature enumFeatures = schematicLayer.GetSchematicSelectedFeatures(true);
if (enumFeatures == null)
return false;
// Count the selected nodes
int iCount = 0;
ISchematicFeature feature;
enumFeatures.Reset();
feature = enumFeatures.Next();
while (feature != null && iCount < 2)
{
ISchematicInMemoryFeatureClass inMemoryFeatureClass;
// just want SchematicFeatureNode
inMemoryFeatureClass = (ISchematicInMemoryFeatureClass)feature.Class;
if (inMemoryFeatureClass.SchematicElementClass.SchematicElementType == esriSchematicElementType.esriSchematicNodeType)
iCount++;
feature = enumFeatures.Next();
}
if (iCount == 1)
return true; // just want one selected node
else
return false;
}
