public void Apply(ISchematicInMemoryDiagram inMemoryDiagram, ESRI.ArcGIS.esriSystem.ITrackCancel cancelTracker)
{
if (m_reductionLinkName == "")
{
return;
}
IEnumSchematicInMemoryFeature enumSchematicElement;
ISchematicInMemoryFeature schemElement;
ISchematicDiagramClass diagramClass = null;
ISchematicElementClass elementClass;
IEnumSchematicElementClass enumElementClass;
Microsoft.VisualBasic.Collection allreadyUsed = new Microsoft.VisualBasic.Collection();
try
{
diagramClass = inMemoryDiagram.SchematicDiagramClass;
}
catch { }
if (diagramClass == null)
{
return;
}
enumElementClass = diagramClass.AssociatedSchematicElementClasses;
enumElementClass.Reset();
elementClass = enumElementClass.Next();
while (elementClass != null)
{
if (elementClass.Name == m_reductionLinkName)
{
break;
}
elementClass = enumElementClass.Next();
}
if (elementClass == null)
{
return;
}
// Get all link from selected class
enumSchematicElement = inMemoryDiagram.GetSchematicInMemoryFeaturesByClass(elementClass);
enumSchematicElement.Reset();
ISchematicInMemoryFeatureLink link = null;
ISchematicInMemoryFeatureNode fromNode = null;
ISchematicInMemoryFeatureNode toNode = null;
int iFromPort = 0;
int iToPort = 0;
ISchematicInMemoryFeature newElem = null;
IEnumSchematicInMemoryFeatureLink enumIncidentLinks;
ISchematicInMemoryFeatureLinkerEdit schemLinker = (ISchematicInMemoryFeatureLinkerEdit)(new SchematicLinkerClass());
bool bReduction = false;
schemElement = enumSchematicElement.Next();
while (schemElement != null)
{
try
{
string elemName = allreadyUsed[schemElement.Name].ToString();
// if found, this link is allready used
schemElement = enumSchematicElement.Next();
continue;
}
catch
{
// Add link to collection
allreadyUsed.Add(schemElement.Name, schemElement.Name, null, null);
}
// Get from node and to node
link = (ISchematicInMemoryFeatureLink)schemElement;
fromNode = link.FromNode;
toNode = link.ToNode;
if (m_usePort)
{
iFromPort = link.FromPort;
iToPort = link.ToPort;
}
// Get all links from this node
enumIncidentLinks = fromNode.GetIncidentLinks(esriSchematicEndPointType.esriSchematicOriginOrExtremityNode);
enumIncidentLinks.Reset();
newElem = enumIncidentLinks.Next();
while (newElem != null)
{
bReduction = false;
if (newElem == schemElement)
{
// the new link is the same link we works on
newElem = enumIncidentLinks.Next();
continue;
}
link = (ISchematicInMemoryFeatureLink)newElem;
// 1st case of comparison
if (fromNode == link.FromNode && toNode == link.ToNode)
{
if (m_usePort)
{
bReduction = (iFromPort == link.FromPort && iToPort == link.ToPort);
}
else
{
bReduction = true;
}
}
// 2nd case of comparison
else if (fromNode == link.ToNode && toNode == link.FromNode)
{
if (m_usePort)
{
bReduction = (iFromPort == link.ToPort && iToPort == link.FromPort);
}
else
{
bReduction = true;
}
}
if (bReduction)
{
try
{
schemLinker.ReportAssociations(newElem, schemElement); // Reports asssociation to first link
allreadyUsed.Add(newElem.Name, newElem.Name, null, null); // Add link to collection
newElem.Displayed = false; // this link is not visible
}
catch { }
}
newElem = enumIncidentLinks.Next();
}
schemElement.Displayed = true;
schemElement = enumSchematicElement.Next();
}
}
