public SimpleGroup(IfcGroup group, SimpleGroup parent)
{
if (group == null) throw new ArgumentNullException();
_group = group;
_parent = parent;
Init();
}
public override void IfcParse(int propIndex, IPropertyValue value)
{
switch (propIndex)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
base.IfcParse(propIndex, value);
break;
case 6:
_relatingGroup = (IfcGroup) value.EntityVal;
break;
default:
this.HandleUnexpectedAttribute(propIndex, value); break;
}
}
public override void IfcParse(int propIndex, IPropertyValue value)
{
switch (propIndex)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
base.IfcParse(propIndex, value);
break;
case 6:
_relatingGroup = (IfcGroup)value.EntityVal;
break;
default:
this.HandleUnexpectedAttribute(propIndex, value); break;
}
}
public override void Parse(int propIndex, IPropertyValue value, int[] nestedIndex)
{
switch (propIndex)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
base.Parse(propIndex, value, nestedIndex);
return;
case 6:
_relatingGroup = (IfcGroup)(value.EntityVal);
return;
default:
throw new XbimParserException(string.Format("Attribute index {0} is out of range for {1}", propIndex + 1, GetType().Name.ToUpper()));
}
}
public bool GroupElements(XmlDocument document, IfcGroup rootGroup)
{
if (document == null) throw new ArgumentNullException("XML document must be specified");
_xmlDoc = document;
if (rootGroup != null)
{
if (((IPersistIfcEntity)rootGroup).ModelOf != _model) throw new Exception("Model of the group is different than model to be used.");
_rootGroup = rootGroup;
}
else
{
_rootGroup = _model.Instances.New<IfcGroup>(g=> g.Name = "Root group");
}
using (XbimReadWriteTransaction trans = _model.BeginTransaction("Elements to groups"))
{
bool result = PerformGrouping();
trans.Commit();
return result;
}
}
public bool GroupElements(string XMLfileName, IfcGroup rootGroup)
{
if (string.IsNullOrEmpty(XMLfileName)) throw new ArgumentNullException("File name cannot be null or empty.");
_xmlDoc = new XmlDocument();
_xmlDoc.Load(XMLfileName);
if (rootGroup != null)
{
if (((IPersistIfcEntity)rootGroup).ModelOf != _model) throw new Exception("Model of the group is different than model to be used.");
_rootGroup = rootGroup;
}
else
{
_rootGroup = _model.Instances.New<IfcGroup>(g => g.Name = "Root group");
}
using (XbimReadWriteTransaction trans = _model.BeginTransaction())
{
bool result = PerformGrouping();
trans.Commit();
return result;
}
}
public void Load(XmlDocument document)
{
if (document == null) throw new ArgumentNullException("XML document must be specified");
_xmlDoc = document;
_rootGroup = _model.Instances.New<IfcGroup>(g => g.Name = "Root group");
}
private void ClearGroups(IfcGroup root)
{
List<IfcElement> elements = root.GetGroupedObjects<IfcElement>().ToList();
int count = elements.Count;
//must use for cycle instead of foreach because enumeration would collapse
for (int i = 0; i < count; i++)
{
root.RemoveObjectFromGroup(elements[i]);
}
//recursive call for children
IEnumerable<IfcGroup> children = root.GetGroupedObjects<IfcGroup>();
foreach (IfcGroup group in children)
{
ClearGroups(group);
}
}
//recursive function to find group with specified name in the scope of the root
private IfcGroup GetGroup(string name, IfcGroup root)
{
if (root.Name == name) return root;
else
{
IEnumerable<IfcGroup> children = root.GetGroupedObjects<IfcGroup>();
foreach (IfcGroup group in children)
{
IfcGroup result = GetGroup(name, group);
if (result != null)
return result;
}
return null;
}
}
public GroupViewModel(IfcGroup gr, IXbimViewModel parent)
{
this.group = gr;
CreatingParent = parent;
}
//create group and add it into the group hierarchy (top -> down creation)
private IfcGroup CreateGroup(string groupName, string classification, IfcGroup parentGroup)
{
IfcGroup group = _model.Instances.Where<IfcGroup>(g => g.Name == groupName).FirstOrDefault();
if (group == null) group = _model.Instances.New<IfcGroup>(g => { g.Name = groupName; g.Description = classification; });
if (parentGroup != null)
{
//check if it is not already child group.
IfcGroup child = parentGroup.GetGroupedObjects<IfcGroup>().Where(g => g.Name == groupName).FirstOrDefault();
if (child == null)
//ad if it is not
parentGroup.AddObjectToGroup(group);
}
//add to the root groups if this is root (there is no parent group)
if (parentGroup == null)
RootGroups.Add(group);
_numCreated++;
return group;
}
//recursive function for groups creation
private void ProcessGroups(XmlNodeList groupNodeList, IfcGroup parentGroup)
{
foreach (XmlNode groupNode in groupNodeList)
{
//check node type
if (groupNode.Name != "my:group")
{
errLog.WriteLine("Unexpected node: " + groupNode.Name);
continue;
}
XmlElement groupElement = groupNode as XmlElement;
string name = groupElement.GetAttribute("my:name");
if (string.IsNullOrEmpty(name))
{
errLog.WriteLine("Group with no name identified.");
continue;
}
string classification = groupElement.GetAttribute("my:classification");
if (string.IsNullOrEmpty(classification))
{
errLog.WriteLine("Group '"+name+"' does not have any classification code assigned.");
}
//create group
IfcGroup group = CreateGroup(name, classification, parentGroup);
//recursive call for the child nodes
XmlNodeList children = groupNode.ChildNodes;
if (children.Count != 0)
ProcessGroups(children, group);
}
}
