/// <summary>
/// Helper
/// </summary>
/// <param name="iParentInstance"></param>
unsafe void getRGB_surfaceStyle(IFCTreeItem ifcTreeItem, IntPtr iParentInstance)
{
IntPtr stylesInstance;
_ifcEngine.GetAttribute(iParentInstance, "Styles", IfcEngine.SdaiType.Aggregation, out stylesInstance);
var iStylesCount = _ifcEngine.GetMemberCount(stylesInstance);
for (int iStyle = 0; iStyle < iStylesCount.ToInt32(); iStyle++) {
var iStyleInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(stylesInstance, iStyle, IfcEngine.SdaiType.Instance, out iStyleInstance);
if (iStyleInstance == IntPtr.Zero) {
continue;
}
IntPtr surfaceColour;
_ifcEngine.GetAttribute(iStyleInstance, "SurfaceColour", IfcEngine.SdaiType.Instance, out surfaceColour);
if (surfaceColour == IntPtr.Zero) {
continue;
}
double R = 0;
_ifcEngine.GetAttribute(surfaceColour, "Red", IfcEngine.SdaiType.Real, out *(IntPtr*)&R);
double G = 0;
_ifcEngine.GetAttribute(surfaceColour, "Green", IfcEngine.SdaiType.Real, out *(IntPtr*)&G);
double B = 0;
_ifcEngine.GetAttribute(surfaceColour, "Blue", IfcEngine.SdaiType.Real, out *(IntPtr*)&B);
ifcTreeItem.ifcColor = new IFCItemColor();
ifcTreeItem.ifcColor.R = (float)R;
ifcTreeItem.ifcColor.G = (float)G;
ifcTreeItem.ifcColor.B = (float)B;
return;
} // for (int iStyle = ...
}
/// <summary>
/// Helper.
/// </summary>
/// <param name="ifcTreeItem"></param>
void GetColor(IFCTreeItem ifcTreeItem)
{
if (ifcTreeItem == null) {
throw new ArgumentException("The item is null.");
}
// C++ => getRGB_object()
IntPtr representationInstance;
_ifcEngine.GetAttribute(ifcTreeItem.instance, "Representation", IfcEngine.SdaiType.Instance, out representationInstance);
if (representationInstance == IntPtr.Zero) {
return;
}
// C++ => getRGB_productDefinitionShape()
IntPtr representationsInstance;
_ifcEngine.GetAttribute(representationInstance, "Representations", IfcEngine.SdaiType.Aggregation, out representationsInstance);
var iRepresentationsCount = _ifcEngine.GetMemberCount(representationsInstance);
for (int iRepresentation = 0; iRepresentation < iRepresentationsCount.ToInt32(); iRepresentation++) {
var iShapeInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(representationsInstance, iRepresentation, IfcEngine.SdaiType.Instance, out iShapeInstance);
if (iShapeInstance == IntPtr.Zero) {
continue;
}
// C++ => getRGB_shapeRepresentation()
IntPtr representationIdentifier;
_ifcEngine.GetAttribute(iShapeInstance, "RepresentationIdentifier", IfcEngine.SdaiType.Unicode, out representationIdentifier);
if (Marshal.PtrToStringUni(representationIdentifier) == "Body") {
IntPtr itemsInstance;
_ifcEngine.GetAttribute(iShapeInstance, "Items", IfcEngine.SdaiType.Aggregation, out itemsInstance);
var iItemsCount = _ifcEngine.GetMemberCount(itemsInstance);
for (int iItem = 0; iItem < iItemsCount.ToInt32(); iItem++) {
var iItemInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(itemsInstance, iItem, IfcEngine.SdaiType.Instance, out iItemInstance);
IntPtr styledByItem;
_ifcEngine.GetAttribute(iItemInstance, "StyledByItem", IfcEngine.SdaiType.Instance, out styledByItem);
if (styledByItem != IntPtr.Zero) {
getRGB_styledItem(ifcTreeItem, styledByItem);
} else {
searchDeeper(ifcTreeItem, iItemInstance);
} // else if (iItemInstance != 0)
if (ifcTreeItem.ifcColor != null) {
return;
}
} // for (int iItem = ...
}
} // for (int iRepresentation = ...
}
/// <summary>
/// Helper
/// </summary>
/// <param name="iStyledByItemInstance"></param>
void getRGB_styledItem(IFCTreeItem ifcTreeItem, IntPtr iStyledByItemInstance)
{
IntPtr stylesInstance;
_ifcEngine.GetAttribute(iStyledByItemInstance, "Styles", IfcEngine.SdaiType.Aggregation, out stylesInstance);
var iStylesCount = _ifcEngine.GetMemberCount(stylesInstance);
for (int iStyle = 0; iStyle < iStylesCount.ToInt32(); iStyle++) {
var iStyleInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(stylesInstance, iStyle, IfcEngine.SdaiType.Instance, out iStyleInstance);
if (iStyleInstance == IntPtr.Zero) {
continue;
}
getRGB_presentationStyleAssignment(ifcTreeItem, iStyleInstance);
} // for (int iStyle = ...
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcTreeItem"></param>
private IFCItem FindIFCItem(IFCItem ifcParent, IFCTreeItem ifcTreeItem)
{
if (ifcParent == null) {
return null;
}
IFCItem ifcIterator = ifcParent;
while (ifcIterator != null) {
if (ifcIterator.ifcID == ifcTreeItem.instance) {
return ifcIterator;
}
IFCItem ifcItem = FindIFCItem(ifcIterator.child, ifcTreeItem);
if (ifcItem != null) {
return ifcItem;
}
ifcIterator = ifcIterator.next;
}
return FindIFCItem(ifcParent.child, ifcTreeItem);
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcTreeItem"></param>
private void FindNonReferencedIFCItems(IFCItem ifcParent, TreeNode tnNotReferenced)
{
if (ifcParent == null) {
return;
}
IFCItem ifcIterator = ifcParent;
while (ifcIterator != null) {
if ((ifcIterator.ifcTreeItem == null) && (ifcIterator.ifcID != IntPtr.Zero)) {
string strItemText = "'" + (string.IsNullOrEmpty(ifcIterator.name) ? "<name>" : ifcIterator.name) +
"' = '" + (string.IsNullOrEmpty(ifcIterator.description) ? "<description>" : ifcIterator.description) +
"' (" + (string.IsNullOrEmpty(ifcIterator.ifcType) ? ifcIterator.globalID : ifcIterator.ifcType) + ")";
IFCTreeItem ifcTreeItem = new IFCTreeItem();
ifcTreeItem.instance = ifcIterator.ifcID;
ifcTreeItem.treeNode = tnNotReferenced.Nodes.Add(strItemText);
ifcTreeItem.ifcItem = FindIFCItem(_ifcRoot, ifcTreeItem);
ifcIterator.ifcTreeItem = ifcTreeItem;
ifcTreeItem.treeNode.Tag = ifcTreeItem;
if (ifcTreeItem.ifcItem != null) {
ifcTreeItem.ifcItem.ifcTreeItem = ifcTreeItem;
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_CHECKED;
} else {
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_NOT_REFERENCED;
}
}
FindNonReferencedIFCItems(ifcIterator.child, tnNotReferenced);
ifcIterator = ifcIterator.next;
}
FindNonReferencedIFCItems(ifcParent.child, tnNotReferenced);
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcParent"></param>
/// <param name="ifcItem"></param>
private void CreatePropertyTreeItem(IFCTreeItem ifcParent, IFCTreeItem ifcItem, string strProperty)
{
IntPtr ifcType = _ifcEngine.GetInstanceType(ifcItem.instance);
string strIfcType = Marshal.PtrToStringAnsi(ifcType);
IntPtr name;
_ifcEngine.GetAttribute(ifcItem.instance, "Name", IfcEngine.SdaiType.Unicode, out name);
string strName = Marshal.PtrToStringUni(name);
string strValue = string.Empty;
switch (strProperty) {
case "IFCQUANTITYLENGTH": {
IntPtr value;
_ifcEngine.GetAttribute(ifcItem.instance, "LengthValue", IfcEngine.SdaiType.Unicode, out value);
strValue = Marshal.PtrToStringUni(value);
}
break;
case "IFCQUANTITYAREA": {
IntPtr value;
_ifcEngine.GetAttribute(ifcItem.instance, "AreaValue", IfcEngine.SdaiType.Unicode, out value);
strValue = Marshal.PtrToStringUni(value);
}
break;
case "IFCQUANTITYVOLUME": {
IntPtr value;
_ifcEngine.GetAttribute(ifcItem.instance, "VolumeValue", IfcEngine.SdaiType.Unicode, out value);
strValue = Marshal.PtrToStringUni(value);
}
break;
case "IFCQUANTITYCOUNT": {
IntPtr value;
_ifcEngine.GetAttribute(ifcItem.instance, "CountValue", IfcEngine.SdaiType.Unicode, out value);
strValue = Marshal.PtrToStringUni(value);
}
break;
case "IFCQUANTITYWEIGTH": {
IntPtr value;
_ifcEngine.GetAttribute(ifcItem.instance, "WeigthValue", IfcEngine.SdaiType.Unicode, out value);
strValue = Marshal.PtrToStringUni(value);
}
break;
case "IFCQUANTITYTIME": {
IntPtr value;
_ifcEngine.GetAttribute(ifcItem.instance, "TimeValue", IfcEngine.SdaiType.Unicode, out value);
strValue = Marshal.PtrToStringUni(value);
}
break;
case "IFCPROPERTYSINGLEVALUE": {
IntPtr value;
_ifcEngine.GetAttribute(ifcItem.instance, "NominalValue", IfcEngine.SdaiType.Unicode, out value);
strValue = Marshal.PtrToStringUni(value);
}
break;
default:
throw new Exception("Unknown property.");
} // switch (strProperty)
string strItemText = "'" + (string.IsNullOrEmpty(strName) ? "<name>" : strName) +
"' = '" + (string.IsNullOrEmpty(strValue) ? "<value>" : strValue) +
"' (" + strIfcType + ")";
if ((ifcParent != null) && (ifcParent.treeNode != null)) {
ifcItem.treeNode = ifcParent.treeNode.Nodes.Add(strItemText);
} else {
ifcItem.treeNode = _treeControl.Nodes.Add(strItemText);
}
if (ifcItem.ifcItem == null) {
// item without visual representation
ifcItem.treeNode.ForeColor = Color.Gray;
}
ifcItem.treeNode.ImageIndex = ifcItem.treeNode.SelectedImageIndex = IMAGE_PROPERTY;
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcParent"></param>
/// <param name="ifcItem"></param>
private void CreateTreeItem(IFCTreeItem ifcParent, IFCTreeItem ifcItem)
{
IntPtr ifcType = _ifcEngine.GetInstanceType(ifcItem.instance);
string strIfcType = Marshal.PtrToStringAnsi(ifcType);
IntPtr name;
_ifcEngine.GetAttribute(ifcItem.instance, "Name", IfcEngine.SdaiType.Unicode, out name);
string strName = Marshal.PtrToStringUni(name);
IntPtr description;
_ifcEngine.GetAttribute(ifcItem.instance, "Description", IfcEngine.SdaiType.Unicode, out description);
string strDescription = Marshal.PtrToStringUni(description);
string strItemText = "'" + (string.IsNullOrEmpty(strName) ? "<name>" : strName) +
"', '" + (string.IsNullOrEmpty(strDescription) ? "<description>" : strDescription) +
"' (" + strIfcType + ")";
if ((ifcParent != null) && (ifcParent.treeNode != null)) {
ifcItem.treeNode = ifcParent.treeNode.Nodes.Add(strItemText);
} else {
ifcItem.treeNode = _treeControl.Nodes.Add(strItemText);
}
if (ifcItem.ifcItem == null) {
// item without visual representation
ifcItem.treeNode.ForeColor = Color.Gray;
}
ifcItem.treeNode.Tag = ifcItem;
}
/// <summary>
/// Helper
/// </summary>
private void CreateNotReferencedTreeItems()
{
IFCTreeItem ifcTreeItem = new IFCTreeItem();
ifcTreeItem.treeNode = _treeControl.Nodes.Add("Not Referenced");
ifcTreeItem.treeNode.ForeColor = Color.Gray;
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_CHECKED;
ifcTreeItem.treeNode.Tag = ifcTreeItem;
FindNonReferencedIFCItems(_ifcRoot, ifcTreeItem.treeNode);
if (ifcTreeItem.treeNode.Nodes.Count == 0) {
// don't show empty Not Referenced item
_treeControl.Nodes.Remove(ifcTreeItem.treeNode);
}
}
/// <summary>
/// Helper
/// </summary>
private void CreateProjectTreeItems()
{
var iEntityID = _ifcEngine.GetEntityExtent(_ifcModel, "IfcProject");
var iEntitiesCount = _ifcEngine.GetMemberCount(iEntityID);
for (int iEntity = 0; iEntity < iEntitiesCount.ToInt32(); iEntity++) {
IntPtr iInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(iEntityID, iEntity, IfcEngine.SdaiType.Instance, out iInstance);
IFCTreeItem ifcTreeItem = new IFCTreeItem();
ifcTreeItem.instance = iInstance;
CreateTreeItem(null, ifcTreeItem);
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_CHECKED;
AddChildrenTreeItems(ifcTreeItem, iInstance, "IfcSite");
} // for (int iEntity = ...
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcParent"></param>
/// <param name="iParentInstance"></param>
private void AddPropertyTreeItems(IFCTreeItem ifcParent, IntPtr iParentInstance)
{
IntPtr propertyInstances;
_ifcEngine.GetAttribute(iParentInstance, "RelatingPropertyDefinition", IfcEngine.SdaiType.Instance, out propertyInstances);
if (IsInstanceOf(propertyInstances, "IFCELEMENTQUANTITY")) {
IFCTreeItem ifcPropertySetTreeItem = new IFCTreeItem();
ifcPropertySetTreeItem.instance = propertyInstances;
CreateTreeItem(ifcParent, ifcPropertySetTreeItem);
ifcPropertySetTreeItem.treeNode.ImageIndex = ifcPropertySetTreeItem.treeNode.SelectedImageIndex = IMAGE_PROPERTY_SET;
// check for quantity
IntPtr quantitiesInstance;
_ifcEngine.GetAttribute(propertyInstances, "Quantities", IfcEngine.SdaiType.Aggregation, out quantitiesInstance);
if (quantitiesInstance == IntPtr.Zero) {
return;
}
var iQuantitiesCount = _ifcEngine.GetMemberCount(quantitiesInstance);
for (int iQuantity = 0; iQuantity < iQuantitiesCount.ToInt32(); iQuantity++) {
var iQuantityInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(quantitiesInstance, iQuantity, IfcEngine.SdaiType.Instance, out iQuantityInstance);
IFCTreeItem ifcQuantityTreeItem = new IFCTreeItem();
ifcQuantityTreeItem.instance = iQuantityInstance;
if (IsInstanceOf(iQuantityInstance, "IFCQUANTITYLENGTH"))
CreatePropertyTreeItem(ifcPropertySetTreeItem, ifcQuantityTreeItem, "IFCQUANTITYLENGTH");
else
if (IsInstanceOf(iQuantityInstance, "IFCQUANTITYAREA"))
CreatePropertyTreeItem(ifcPropertySetTreeItem, ifcQuantityTreeItem, "IFCQUANTITYAREA");
else
if (IsInstanceOf(iQuantityInstance, "IFCQUANTITYVOLUME"))
CreatePropertyTreeItem(ifcPropertySetTreeItem, ifcQuantityTreeItem, "IFCQUANTITYVOLUME");
else
if (IsInstanceOf(iQuantityInstance, "IFCQUANTITYCOUNT"))
CreatePropertyTreeItem(ifcPropertySetTreeItem, ifcQuantityTreeItem, "IFCQUANTITYCOUNT");
else
if (IsInstanceOf(iQuantityInstance, "IFCQUANTITYWEIGTH"))
CreatePropertyTreeItem(ifcPropertySetTreeItem, ifcQuantityTreeItem, "IFCQUANTITYWEIGTH");
else
if (IsInstanceOf(iQuantityInstance, "IFCQUANTITYTIME"))
CreatePropertyTreeItem(ifcPropertySetTreeItem, ifcQuantityTreeItem, "IFCQUANTITYTIME");
} // for (int iQuantity = ...
} else {
if (IsInstanceOf(propertyInstances, "IFCPROPERTYSET")) {
IFCTreeItem ifcPropertySetTreeItem = new IFCTreeItem();
ifcPropertySetTreeItem.instance = propertyInstances;
CreateTreeItem(ifcParent, ifcPropertySetTreeItem);
ifcPropertySetTreeItem.treeNode.ImageIndex = ifcPropertySetTreeItem.treeNode.SelectedImageIndex = IMAGE_PROPERTY_SET;
// check for quantity
IntPtr propertiesInstance;
_ifcEngine.GetAttribute(propertyInstances, "HasProperties", IfcEngine.SdaiType.Aggregation, out propertiesInstance);
if (propertiesInstance == IntPtr.Zero) {
return;
}
var iPropertiesCount = _ifcEngine.GetMemberCount(propertiesInstance);
for (int iProperty = 0; iProperty < iPropertiesCount.ToInt32(); iProperty++) {
var iPropertyInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(propertiesInstance, iProperty, IfcEngine.SdaiType.Instance, out iPropertyInstance);
if (!IsInstanceOf(iPropertyInstance, "IFCPROPERTYSINGLEVALUE"))
continue;
IFCTreeItem ifcPropertyTreeItem = new IFCTreeItem();
ifcPropertyTreeItem.instance = iPropertyInstance;
CreatePropertyTreeItem(ifcPropertySetTreeItem, ifcPropertyTreeItem, "IFCPROPERTYSINGLEVALUE");
} // for (int iProperty = ...
}
}
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcParent"></param>
/// <param name="iParentInstance"></param>
private void AddElementTreeItems(IFCTreeItem ifcParent, IntPtr iParentInstance)
{
IntPtr decompositionInstance;
_ifcEngine.GetAttribute(iParentInstance, "IsDecomposedBy", IfcEngine.SdaiType.Aggregation, out decompositionInstance);
if (decompositionInstance == IntPtr.Zero) {
return;
}
var iDecompositionsCount = _ifcEngine.GetMemberCount(decompositionInstance);
for (int iDecomposition = 0; iDecomposition < iDecompositionsCount.ToInt32(); iDecomposition++) {
var iDecompositionInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(decompositionInstance, iDecomposition, IfcEngine.SdaiType.Instance, out iDecompositionInstance);
if (!IsInstanceOf(iDecompositionInstance, "IFCRELAGGREGATES")) {
continue;
}
IntPtr objectInstances;
_ifcEngine.GetAttribute(iDecompositionInstance, "RelatedObjects", IfcEngine.SdaiType.Aggregation, out objectInstances);
var iObjectsCount = _ifcEngine.GetMemberCount(objectInstances);
for (int iObject = 0; iObject < iObjectsCount.ToInt32(); iObject++) {
IntPtr iObjectInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(objectInstances, iObject, IfcEngine.SdaiType.Instance, out iObjectInstance);
IFCTreeItem ifcTreeItem = new IFCTreeItem();
ifcTreeItem.instance = iObjectInstance;
ifcTreeItem.ifcItem = FindIFCItem(_ifcRoot, ifcTreeItem);
CreateTreeItem(ifcParent, ifcTreeItem);
_dicCheckedElements[GetItemType(iObjectInstance)] = true;
if (ifcTreeItem.ifcItem != null) {
ifcTreeItem.ifcItem.ifcTreeItem = ifcTreeItem;
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_CHECKED;
} else {
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_NOT_REFERENCED;
}
} // for (int iObject = ...
} // for (int iDecomposition = ...
// check for elements
IntPtr elementsInstance;
_ifcEngine.GetAttribute(iParentInstance, "ContainsElements", IfcEngine.SdaiType.Aggregation, out elementsInstance);
if (elementsInstance == IntPtr.Zero) {
return;
}
var iElementsCount = _ifcEngine.GetMemberCount(elementsInstance);
for (int iElement = 0; iElement < iElementsCount.ToInt32(); iElement++) {
IntPtr iElementInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(elementsInstance, iElement, IfcEngine.SdaiType.Instance, out iElementInstance);
if (!IsInstanceOf(iElementInstance, "IFCRELCONTAINEDINSPATIALSTRUCTURE")) {
continue;
}
IntPtr objectInstances;
_ifcEngine.GetAttribute(iElementInstance, "RelatedElements", IfcEngine.SdaiType.Aggregation, out objectInstances);
var iObjectsCount = _ifcEngine.GetMemberCount(objectInstances);
for (int iObject = 0; iObject < iObjectsCount.ToInt32(); iObject++) {
var iObjectInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(objectInstances, iObject, IfcEngine.SdaiType.Instance, out iObjectInstance);
IFCTreeItem ifcTreeItem = new IFCTreeItem();
ifcTreeItem.instance = iObjectInstance;
ifcTreeItem.ifcItem = FindIFCItem(_ifcRoot, ifcTreeItem);
CreateTreeItem(ifcParent, ifcTreeItem);
_dicCheckedElements[GetItemType(iObjectInstance)] = true;
if (ifcTreeItem.ifcItem != null) {
ifcTreeItem.ifcItem.ifcTreeItem = ifcTreeItem;
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_CHECKED;
GetColor(ifcTreeItem);
} else {
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_NOT_REFERENCED;
}
IntPtr definedByInstances;
_ifcEngine.GetAttribute(iObjectInstance, "IsDefinedBy", IfcEngine.SdaiType.Aggregation, out definedByInstances);
if (definedByInstances == IntPtr.Zero) {
continue;
}
var iDefinedByCount = _ifcEngine.GetMemberCount(definedByInstances);
for (int iDefinedBy = 0; iDefinedBy < iDefinedByCount.ToInt32(); iDefinedBy++) {
var iDefinedByInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(definedByInstances, iDefinedBy, IfcEngine.SdaiType.Instance, out iDefinedByInstance);
if (IsInstanceOf(iDefinedByInstance, "IFCRELDEFINESBYPROPERTIES")) {
AddPropertyTreeItems(ifcTreeItem, iDefinedByInstance);
} else {
if (IsInstanceOf(iDefinedByInstance, "IFCRELDEFINESBYTYPE")) {
// NA
}
}
}
} // for (int iObject = ...
} // for (int iDecomposition = ...
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcParent"></param>
/// <param name="iParentInstance"></param>
/// <param name="strEntityName"></param>
private void AddChildrenTreeItems(IFCTreeItem ifcParent, IntPtr iParentInstance, string strEntityName)
{
// check for decomposition
IntPtr decompositionInstance;
_ifcEngine.GetAttribute(iParentInstance, "IsDecomposedBy", IfcEngine.SdaiType.Aggregation, out decompositionInstance);
if (decompositionInstance == IntPtr.Zero) {
return;
}
var iDecompositionsCount = _ifcEngine.GetMemberCount(decompositionInstance);
for (int iDecomposition = 0; iDecomposition < iDecompositionsCount.ToInt32(); iDecomposition++) {
IntPtr iDecompositionInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(decompositionInstance, iDecomposition, IfcEngine.SdaiType.Instance, out iDecompositionInstance);
if (!IsInstanceOf(iDecompositionInstance, "IFCRELAGGREGATES")) {
continue;
}
IntPtr objectInstances;
_ifcEngine.GetAttribute(iDecompositionInstance, "RelatedObjects", IfcEngine.SdaiType.Aggregation, out objectInstances);
var iObjectsCount = _ifcEngine.GetMemberCount(objectInstances);
for (int iObject = 0; iObject < iObjectsCount.ToInt32(); iObject++) {
IntPtr iObjectInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(objectInstances, iObject, IfcEngine.SdaiType.Instance, out iObjectInstance);
if (!IsInstanceOf(iObjectInstance, strEntityName)) {
continue;
}
IFCTreeItem ifcTreeItem = new IFCTreeItem();
ifcTreeItem.instance = iObjectInstance;
CreateTreeItem(ifcParent, ifcTreeItem);
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex = IMAGE_CHECKED;
switch (strEntityName) {
case "IfcSite": {
AddChildrenTreeItems(ifcTreeItem, iObjectInstance, "IfcBuilding");
}
break;
case "IfcBuilding": {
AddChildrenTreeItems(ifcTreeItem, iObjectInstance, "IfcBuildingStorey");
}
break;
case "IfcBuildingStorey": {
AddElementTreeItems(ifcTreeItem, iObjectInstance);
}
break;
default:
break;
}
} // for (int iObject = ...
} // for (int iDecomposition = ...
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcTreeItem"></param>
/// <param name="iParentInstance"></param>
void searchDeeper(IFCTreeItem ifcTreeItem, IntPtr iParentInstance)
{
IntPtr styledByItem;
_ifcEngine.GetAttribute(iParentInstance, "StyledByItem", IfcEngine.SdaiType.Instance, out styledByItem);
if (styledByItem != IntPtr.Zero) {
getRGB_styledItem(ifcTreeItem, styledByItem);
if (ifcTreeItem.ifcColor != null) {
return;
}
}
if (IsInstanceOf(iParentInstance, "IFCBOOLEANCLIPPINGRESULT")) {
IntPtr firstOperand;
_ifcEngine.GetAttribute(iParentInstance, "FirstOperand", IfcEngine.SdaiType.Instance, out firstOperand);
if (firstOperand != IntPtr.Zero) {
searchDeeper(ifcTreeItem, firstOperand);
}
} // if (IsInstanceOf(iParentInstance, "IFCBOOLEANCLIPPINGRESULT"))
else {
if (IsInstanceOf(iParentInstance, "IFCMAPPEDITEM")) {
IntPtr mappingSource;
_ifcEngine.GetAttribute(iParentInstance, "MappingSource", IfcEngine.SdaiType.Instance, out mappingSource);
IntPtr mappedRepresentation;
_ifcEngine.GetAttribute(mappingSource, "MappedRepresentation", IfcEngine.SdaiType.Instance, out mappedRepresentation);
if (mappedRepresentation != IntPtr.Zero) {
IntPtr representationIdentifier;
_ifcEngine.GetAttribute(mappedRepresentation, "RepresentationIdentifier", IfcEngine.SdaiType.Unicode, out representationIdentifier);
if (Marshal.PtrToStringUni(representationIdentifier) == "Body") {
IntPtr itemsInstance;
_ifcEngine.GetAttribute(mappedRepresentation, "Items", IfcEngine.SdaiType.Aggregation, out itemsInstance);
var iItemsCount = _ifcEngine.GetMemberCount(itemsInstance);
for (int iItem = 0; iItem < iItemsCount.ToInt32(); iItem++) {
var iItemInstance = IntPtr.Zero;
_ifcEngine.GetAggregationElement(itemsInstance, iItem, IfcEngine.SdaiType.Instance, out iItemInstance);
styledByItem = IntPtr.Zero;
_ifcEngine.GetAttribute(iItemInstance, "StyledByItem", IfcEngine.SdaiType.Instance, out styledByItem);
if (styledByItem != IntPtr.Zero) {
getRGB_styledItem(ifcTreeItem, styledByItem);
} else {
searchDeeper(ifcTreeItem, iItemInstance);
} // else if (iItemInstance != 0)
if (ifcTreeItem.ifcColor != null) {
return;
}
} // for (int iItem = ...
} // if (Marshal.PtrToStringAnsi(representationIdentifier) == "Body")
} // if (mappedRepresentation != IntPtr.Zero)
} // if (IsInstanceOf(iParentInstance, "IFCMAPPEDITEM"))
} // else if (IsInstanceOf(iParentInstance, "IFCBOOLEANCLIPPINGRESULT"))
}
/// <summary>
/// Helper
/// </summary>
/// <param name="ifcTreeItem"></param>
private void OnContextMenu_UpdateTreeElement(IFCTreeItem ifcTreeItem)
{
if (ifcTreeItem.ifcItem == null) {
// skip not referenced items
return;
}
if (string.IsNullOrEmpty(ifcTreeItem.ifcItem.ifcType)) {
// skip fake items
return;
}
if (!_dicCheckedElements.ContainsKey(ifcTreeItem.ifcItem.ifcType)) {
// skip non-element items
return;
}
ifcTreeItem.treeNode.ImageIndex = ifcTreeItem.treeNode.SelectedImageIndex =
_dicCheckedElements[ifcTreeItem.ifcItem.ifcType] ? IMAGE_CHECKED : IMAGE_UNCHECKED;
UpdateParentTreeItems(ifcTreeItem.treeNode);
}