private void RetainNodesDegreeTwo(IEnumSchematicInMemoryFeature enumInMemoryFeature,
Dictionary <string, ISchematicInMemoryFeature> colSchfeatureNode, ISchematicRulesHelper ruleHelper)
{
ISchematicInMemoryFeature schInMemoryfeature;
if (ruleHelper == null)
{
return;
}
enumInMemoryFeature.Reset();
schInMemoryfeature = enumInMemoryFeature.Next();
while (schInMemoryfeature != null)
{
if (schInMemoryfeature.Displayed)
{
IEnumSchematicInMemoryFeature enumLinks = ruleHelper.GetDisplayedIncidentLinks((ISchematicInMemoryFeatureNode)schInMemoryfeature, esriSchematicEndPointType.esriSchematicOriginOrExtremityNode);
if (enumLinks != null && enumLinks.Count == 2)
{
// Valid degree two node
if (!colSchfeatureNode.ContainsKey(schInMemoryfeature.Name))
{
if (!LinkAttribute)
{
colSchfeatureNode.Add(schInMemoryfeature.Name, schInMemoryfeature);
}
else
{
if (SameIncidentLinkAttributeValue(enumLinks, LinkAttributeName, ruleHelper))
{
colSchfeatureNode.Add(schInMemoryfeature.Name, schInMemoryfeature);
}
}
}
}
}
schInMemoryfeature = enumInMemoryFeature.Next();
}
}
private bool SameIncidentLinkAttributeValue(IEnumSchematicInMemoryFeature enumInMemoryLinks, string attributeName, ISchematicRulesHelper ruleHelper)
{
ISchematicInMemoryFeature inMemoryFeature = null;
enumInMemoryLinks.Reset();
bool bFirstVariant = true;
object vPreviousValue = null;
object vCurrentValue = null;
inMemoryFeature = enumInMemoryLinks.Next();
while (inMemoryFeature != null)
{
// Do not take account the link if the link is not displayed
//
// Search for an attribute with the given name
//
ISchematicElementClass schematicElementClass;
schematicElementClass = inMemoryFeature.SchematicElementClass;
ISchematicAttributeContainer attributeContainer = (ISchematicAttributeContainer)schematicElementClass;
ISchematicAttribute schematicAttribute = null;
if (attributeContainer != null)
{
schematicAttribute = attributeContainer.GetSchematicAttribute(attributeName, true);
}
if (schematicAttribute != null)
{
ISchematicObject schematicObject = (ISchematicObject)inMemoryFeature;
vCurrentValue = schematicAttribute.GetValue(schematicObject);
}
else
{
// If schematic attribute not existing ==> find a field in the associated feature
IObject iObject = null;
ISchematicInMemoryFeaturePrimaryAssociation primaryAssociation = (ISchematicInMemoryFeaturePrimaryAssociation)inMemoryFeature;
if (primaryAssociation != null)
{
iObject = primaryAssociation.AssociatedObject;
}
IRow row = (IRow)iObject;
int fieldIndex = 0;
if (row != null)
{
IFields fields = row.Fields;
if (fields != null)
{
fieldIndex = fields.FindField(attributeName);
}
}
if (fieldIndex > 0)
{
vCurrentValue = row.get_Value(fieldIndex);
if (DBNull.Value.Equals(vCurrentValue))
{
return(false);
}
}
else
{
return(false);
}
}
if (bFirstVariant)
{
vPreviousValue = vCurrentValue;
bFirstVariant = false;
}
else
{
// Compare PreviousValue and CurrentValue
if (vPreviousValue.GetType() != vCurrentValue.GetType())
{
return(false);
}
if (DBNull.Value.Equals(vPreviousValue) || DBNull.Value.Equals(vCurrentValue))
{
return(false);
}
if (vPreviousValue.GetType().FullName is System.String)//Speciale Case for string.
{
string str1 = (string)vPreviousValue;
string str2 = (string)vCurrentValue;
if (string.Compare(str1, str2, true) != 0)
{
return(false);
}
}
else if (vPreviousValue != vCurrentValue)// == or != operator compare for Variant match the right type.
{
return(false);
}
}
inMemoryFeature = enumInMemoryLinks.Next();
}
return(true);
}
private void ReduceNode(ISchematicRulesHelper rulesHelper, ISchematicInMemoryFeatureClass superspanLinkClass, ISpatialReference spatialRef, ISchematicInMemoryFeature schFeatureToReduce)
{
if (schFeatureToReduce.Displayed == false || rulesHelper == null || spatialRef == null)
{
return;
}
// get the two connected links
IEnumSchematicInMemoryFeature enumLink = rulesHelper.GetDisplayedIncidentLinks((ISchematicInMemoryFeatureNode)schFeatureToReduce, esriSchematicEndPointType.esriSchematicOriginOrExtremityNode);
if (enumLink == null || enumLink.Count != 2)
{
return;
}
enumLink.Reset();
ISchematicInMemoryFeature schFeat1 = enumLink.Next();
ISchematicInMemoryFeature schFeat2 = enumLink.Next();
ISchematicInMemoryFeatureLink schLink1 = (ISchematicInMemoryFeatureLink)schFeat1;
ISchematicInMemoryFeatureLink schLink2 = (ISchematicInMemoryFeatureLink)schFeat2;
if (schLink1 == null || schLink2 == null)
{
return;
}
ISchematicInMemoryFeature schFeatureSuperspan = null;
ISchematicInMemoryFeature schFeatureTmp = null;
ISchematicInMemoryFeatureNode schNodeToReduce = (ISchematicInMemoryFeatureNode)schFeatureToReduce;
ISchematicInMemoryFeatureNode schFromNode;
ISchematicInMemoryFeatureNode schToNode;
int iFromPort;
int iToPort;
IGeometry superspanGeometry;
if (schLink2.FromNode == schNodeToReduce)
{
superspanGeometry = BuildLinkGeometry(schLink1, schNodeToReduce, schLink2, rulesHelper);
if (schLink1.ToNode == schNodeToReduce)
{
schFromNode = schLink1.FromNode;
iFromPort = schLink1.FromPort;
}
else
{
schFromNode = schLink1.ToNode;
iFromPort = schLink1.ToPort;
}
schToNode = schLink2.ToNode;
iToPort = schLink2.ToPort;
}
else
{
superspanGeometry = BuildLinkGeometry(schLink2, schNodeToReduce, schLink1, rulesHelper);
schFromNode = schLink2.FromNode;
iFromPort = schLink2.FromPort;
if (schLink1.FromNode == schNodeToReduce)
{
schToNode = schLink1.ToNode;
iToPort = schLink1.ToPort;
}
else
{
schToNode = schLink1.FromNode;
iToPort = schLink1.FromPort;
}
}
if (superspanGeometry != null)
{
superspanGeometry.SpatialReference = spatialRef;
}
// find a unique name for the superspan
string strFromName = schFromNode.Name;
string strtoName = schToNode.Name;
string strName;
long lCount = 1;
while (schFeatureSuperspan == null)
{
strName = strFromName + ";" + strtoName + ";" + lCount.ToString();
if (strName.Length >= 128)
{
break; // too long a name
}
try
{
schFeatureTmp = rulesHelper.AlterLink(superspanLinkClass, strName, null, superspanGeometry, -2, -2,
strFromName, strtoName, esriFlowDirection.esriFDWithFlow, iFromPort, iToPort);
}
catch
{
schFeatureTmp = null;
}
if (schFeatureTmp == null)
{
continue;
}
// valid new feature
schFeatureSuperspan = schFeatureTmp;
}
// last chance for a unique name
lCount = 1;
while (schFeatureSuperspan == null)
{
strName = schNodeToReduce.Name + ";" + lCount.ToString();
if (strName.Length >= 128)
{
break; // too long a name
}
try
{
schFeatureTmp = rulesHelper.AlterLink(superspanLinkClass, strName, null, superspanGeometry, -2, -2,
strFromName, strtoName, esriFlowDirection.esriFDWithFlow, iFromPort, iToPort);
}
catch
{
schFeatureTmp = null;
}
if (schFeatureTmp == null)
{
continue;
}
// valid new feature
schFeatureSuperspan = schFeatureTmp;
}
if (schFeatureSuperspan == null)
{
return; // cannot find a unique name
}
// otherwise report the cumulated length of the reduced links to the superspan
ReportCumulativeValues(schFeat1, schFeat2, schFeatureSuperspan);
// report the associations on the superspan link
rulesHelper.ReportAssociations(schFeatureToReduce, schFeatureSuperspan);
rulesHelper.ReportAssociations(schFeat1, schFeatureSuperspan);
rulesHelper.ReportAssociations(schFeat2, schFeatureSuperspan);
// hide the reduced objects
rulesHelper.HideFeature(schFeatureToReduce);
rulesHelper.HideFeature(schFeat1);
rulesHelper.HideFeature(schFeat2);
}
private IGeometry BuildLinkGeometry(ISchematicInMemoryFeatureLink schLink1, ISchematicInMemoryFeatureNode schNodeToReduce, ISchematicInMemoryFeatureLink schLink2, ISchematicRulesHelper rulesHelper)
{
if (schLink1 == null || schLink2 == null || schNodeToReduce == null || rulesHelper == null)
{
return(null);
}
if (m_keepVertices == false)
{
return(null); // no geometry
}
Polyline newPoly = new Polyline();
IPolyline polyLink1 = rulesHelper.GetLinkPoints(schLink1, (schLink1.FromNode == schNodeToReduce));
IPolyline polyLink2 = rulesHelper.GetLinkPoints(schLink2, (schLink2.ToNode == schNodeToReduce));
IPoint nodePt = rulesHelper.GetNodePoint(schNodeToReduce);
IPoint Pt;
IPointCollection newPts = (IPointCollection)newPoly;
IPointCollection link1Pts = (IPointCollection)polyLink1;
IPointCollection link2Pts = (IPointCollection)polyLink2;
int Count = link1Pts.PointCount;
int i;
for (i = 0; i < Count - 1; i++)
{
Pt = link1Pts.get_Point(i);
newPts.AddPoint(Pt);
}
newPts.AddPoint(nodePt);
Count = link2Pts.PointCount;
for (i = 1; i < Count; i++)
{
Pt = link2Pts.get_Point(i);
newPts.AddPoint(Pt);
}
IGeometry buildGeometry = (IGeometry)newPoly;
return(buildGeometry);
}
private void AddNodesDegreeTwo(IEnumSchematicInMemoryFeature enumInMemoryFeature,
Dictionary<string, ISchematicInMemoryFeature> colSchfeatureNode, ISchematicRulesHelper rulesHelper)
{
ISchematicInMemoryFeature schInMemoryfeature;
if (enumInMemoryFeature == null || colSchfeatureNode == null || rulesHelper == null)
return;
enumInMemoryFeature.Reset();
schInMemoryfeature = enumInMemoryFeature.Next();
while (schInMemoryfeature != null)
{
if (schInMemoryfeature.Displayed)
{
IEnumSchematicInMemoryFeature enumLinks = rulesHelper.GetDisplayedIncidentLinks((ISchematicInMemoryFeatureNode)schInMemoryfeature, esriSchematicEndPointType.esriSchematicOriginOrExtremityNode);
if (enumLinks != null && enumLinks.Count == 2)
{
if (!colSchfeatureNode.ContainsKey(schInMemoryfeature.Name))
colSchfeatureNode.Add(schInMemoryfeature.Name, schInMemoryfeature);
}
}
schInMemoryfeature = enumInMemoryFeature.Next();
}
}
private bool SameIncidentLinkAttributeValue(IEnumSchematicInMemoryFeature enumInMemoryLinks, string attributeName, ISchematicRulesHelper ruleHelper)
{
ISchematicInMemoryFeature inMemoryFeature = null;
enumInMemoryLinks.Reset();
bool bFirstVariant = true;
object vPreviousValue = null;
object vCurrentValue = null;
inMemoryFeature = enumInMemoryLinks.Next();
while (inMemoryFeature != null)
{
// Do not take account the link if the link is not displayed
//
// Search for an attribute with the given name
//
ISchematicElementClass schematicElementClass;
schematicElementClass = inMemoryFeature.SchematicElementClass;
ISchematicAttributeContainer attributeContainer = (ISchematicAttributeContainer)schematicElementClass;
ISchematicAttribute schematicAttribute = null;
if (attributeContainer != null)
schematicAttribute = attributeContainer.GetSchematicAttribute(attributeName, true);
if (schematicAttribute != null)
{
ISchematicObject schematicObject = (ISchematicObject)inMemoryFeature;
vCurrentValue = schematicAttribute.GetValue(schematicObject);
}
else
{
// If schematic attribute not existing ==> find a field in the associated feature
IObject iObject = null;
ISchematicInMemoryFeaturePrimaryAssociation primaryAssociation = (ISchematicInMemoryFeaturePrimaryAssociation)inMemoryFeature;
if (primaryAssociation != null)
iObject = primaryAssociation.AssociatedObject;
IRow row = (IRow)iObject;
int fieldIndex = 0;
if (row != null)
{
IFields fields = row.Fields;
if (fields != null)
fieldIndex = fields.FindField(attributeName);
}
if (fieldIndex > 0)
{
vCurrentValue = row.get_Value(fieldIndex);
if (DBNull.Value.Equals(vCurrentValue))
return false;
}
else
return false;
}
if (bFirstVariant)
{
vPreviousValue = vCurrentValue;
bFirstVariant = false;
}
else
{
// Compare PreviousValue and CurrentValue
if (vPreviousValue.GetType() != vCurrentValue.GetType())
return false;
if (DBNull.Value.Equals(vPreviousValue) || DBNull.Value.Equals(vCurrentValue))
return false;
if (vPreviousValue.GetType().FullName is System.String)//Speciale Case for string.
{
string str1 = (string)vPreviousValue;
string str2 = (string)vCurrentValue;
if( string.Compare(str1, str2, true) != 0)
return false;
}
else if (vPreviousValue != vCurrentValue)// == or != operator compare for Variant match the right type.
return false;
}
inMemoryFeature = enumInMemoryLinks.Next();
}
return true;
}
private void RetainNodesDegreeTwo(IEnumSchematicInMemoryFeature enumInMemoryFeature,
Dictionary<string, ISchematicInMemoryFeature> colSchfeatureNode, ISchematicRulesHelper ruleHelper)
{
ISchematicInMemoryFeature schInMemoryfeature;
if (ruleHelper == null) return;
enumInMemoryFeature.Reset();
schInMemoryfeature = enumInMemoryFeature.Next();
while (schInMemoryfeature != null)
{
if (schInMemoryfeature.Displayed)
{
IEnumSchematicInMemoryFeature enumLinks = ruleHelper.GetDisplayedIncidentLinks((ISchematicInMemoryFeatureNode)schInMemoryfeature, esriSchematicEndPointType.esriSchematicOriginOrExtremityNode);
if (enumLinks != null && enumLinks.Count == 2)
{
// Valid degree two node
if (!colSchfeatureNode.ContainsKey(schInMemoryfeature.Name))
{
if (!LinkAttribute)
colSchfeatureNode.Add(schInMemoryfeature.Name, schInMemoryfeature);
else
{
if(SameIncidentLinkAttributeValue(enumLinks, LinkAttributeName, ruleHelper))
colSchfeatureNode.Add(schInMemoryfeature.Name, schInMemoryfeature);
}
}
}
}
schInMemoryfeature = enumInMemoryFeature.Next();
}
}
private IGeometry BuildLinkGeometry(ISchematicInMemoryFeatureLink schLink1, ISchematicInMemoryFeatureNode schNodeToReduce, ISchematicInMemoryFeatureLink schLink2, ISchematicRulesHelper rulesHelper)
{
if (schLink1 == null || schLink2 == null || schNodeToReduce == null || rulesHelper == null)
return null;
if (m_keepVertices == false)
return null; // no geometry
Polyline newPoly = new Polyline();
IPolyline polyLink1 = rulesHelper.GetLinkPoints(schLink1, (schLink1.FromNode == schNodeToReduce));
IPolyline polyLink2 = rulesHelper.GetLinkPoints(schLink2, (schLink2.ToNode == schNodeToReduce));
IPoint nodePt = rulesHelper.GetNodePoint(schNodeToReduce);
IPoint Pt;
IPointCollection newPts = (IPointCollection)newPoly;
IPointCollection link1Pts = (IPointCollection)polyLink1;
IPointCollection link2Pts = (IPointCollection)polyLink2;
int Count = link1Pts.PointCount;
int i;
for (i = 0; i < Count - 1; i++)
{
Pt = link1Pts.get_Point(i);
newPts.AddPoint(Pt);
}
newPts.AddPoint(nodePt);
Count = link2Pts.PointCount;
for (i = 1; i < Count; i++)
{
Pt = link2Pts.get_Point(i);
newPts.AddPoint(Pt);
}
IGeometry buildGeometry = (IGeometry)newPoly;
return buildGeometry;
}
private void ReduceNode(ISchematicRulesHelper rulesHelper, ISchematicInMemoryFeatureClass superspanLinkClass , ISpatialReference spatialRef, ISchematicInMemoryFeature schFeatureToReduce)
{
if (schFeatureToReduce.Displayed == false || rulesHelper == null || spatialRef == null)
return;
// get the two connected links
IEnumSchematicInMemoryFeature enumLink = rulesHelper.GetDisplayedIncidentLinks((ISchematicInMemoryFeatureNode)schFeatureToReduce, esriSchematicEndPointType.esriSchematicOriginOrExtremityNode);
if (enumLink == null || enumLink.Count != 2)
return;
enumLink.Reset();
ISchematicInMemoryFeature schFeat1 = enumLink.Next();
ISchematicInMemoryFeature schFeat2 = enumLink.Next();
ISchematicInMemoryFeatureLink schLink1 = (ISchematicInMemoryFeatureLink)schFeat1;
ISchematicInMemoryFeatureLink schLink2 = (ISchematicInMemoryFeatureLink)schFeat2;
if (schLink1 == null || schLink2 == null) return;
ISchematicInMemoryFeature schFeatureSuperspan = null;
ISchematicInMemoryFeature schFeatureTmp = null;
ISchematicInMemoryFeatureNode schNodeToReduce = (ISchematicInMemoryFeatureNode)schFeatureToReduce;
ISchematicInMemoryFeatureNode schFromNode;
ISchematicInMemoryFeatureNode schToNode;
int iFromPort;
int iToPort;
IGeometry superspanGeometry;
if (schLink2.FromNode == schNodeToReduce)
{
superspanGeometry = BuildLinkGeometry(schLink1, schNodeToReduce, schLink2, rulesHelper);
if (schLink1.ToNode == schNodeToReduce)
{
schFromNode = schLink1.FromNode;
iFromPort = schLink1.FromPort;
}
else
{
schFromNode = schLink1.ToNode;
iFromPort = schLink1.ToPort;
}
schToNode = schLink2.ToNode;
iToPort = schLink2.ToPort;
}
else
{
superspanGeometry = BuildLinkGeometry(schLink2, schNodeToReduce, schLink1, rulesHelper);
schFromNode = schLink2.FromNode;
iFromPort = schLink2.FromPort;
if (schLink1.FromNode == schNodeToReduce)
{
schToNode = schLink1.ToNode;
iToPort = schLink1.ToPort;
}
else
{
schToNode = schLink1.FromNode;
iToPort = schLink1.FromPort;
}
}
if (superspanGeometry != null)
superspanGeometry.SpatialReference = spatialRef;
// find a unique name for the superspan
string strFromName = schFromNode.Name;
string strtoName = schToNode.Name;
string strName;
long lCount = 1;
while (schFeatureSuperspan == null)
{
strName = strFromName + ";" + strtoName + ";" + lCount.ToString();
if (strName.Length >= 128)
break; // too long a name
try
{
schFeatureTmp = rulesHelper.AlterLink(superspanLinkClass, strName, null, superspanGeometry, -2, -2,
strFromName, strtoName, esriFlowDirection.esriFDWithFlow, iFromPort, iToPort);
}
catch
{
schFeatureTmp = null;
}
if (schFeatureTmp == null)
continue;
// valid new feature
schFeatureSuperspan = schFeatureTmp;
}
// last chance for a unique name
lCount = 1;
while (schFeatureSuperspan == null)
{
strName = schNodeToReduce.Name + ";" + lCount.ToString();
if (strName.Length >= 128)
break; // too long a name
try
{
schFeatureTmp = rulesHelper.AlterLink(superspanLinkClass, strName, null, superspanGeometry, -2, -2,
strFromName, strtoName, esriFlowDirection.esriFDWithFlow, iFromPort, iToPort);
}
catch
{
schFeatureTmp = null;
}
if (schFeatureTmp == null)
continue;
// valid new feature
schFeatureSuperspan = schFeatureTmp;
}
if (schFeatureSuperspan == null)
return; // cannot find a unique name
// otherwise report the cumulated length of the reduced links to the superspan
ReportCumulativeValues(schFeat1, schFeat2, schFeatureSuperspan);
// report the associations on the superspan link
rulesHelper.ReportAssociations(schFeatureToReduce, schFeatureSuperspan);
rulesHelper.ReportAssociations(schFeat1, schFeatureSuperspan);
rulesHelper.ReportAssociations(schFeat2, schFeatureSuperspan);
// hide the reduced objects
rulesHelper.HideFeature(schFeatureToReduce);
rulesHelper.HideFeature(schFeat1);
rulesHelper.HideFeature(schFeat2);
}
