private void ComboBox_IFCSchema_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
string currSelEntity = null;
string currSelPdef = null;
if (m_SingleNodeSelection)
{
currSelEntity = PrevSelEntityItem?.Name;
currSelPdef = PrevSelPDefItem?.Name;
}
string selIFCSchema = ComboBox_IFCSchema.SelectedItem.ToString();
if (!m_IfcVersion.Equals(selIFCSchema))
{
m_IfcVersion = selIFCSchema;
m_EntityTrie = new IFCEntityTrie();
LoadTreeviewFilterElement();
if (m_SingleNodeSelection)
{
PreSelectItem(currSelEntity, currSelPdef);
}
else
{
PredefinedTypeTreeView.ItemsSource = null;
PrevSelPDefItem = null;
}
IfcSchemaEntityTree.GenerateEntityTrie(ref m_EntityTrie);
}
}
void LoadTreeviewFilterElement()
{
button_Reset.IsEnabled = true;
try
{
string schemaFile = m_IfcVersion + ".xsd";
// Process IFCXml schema here, then search for IfcProduct and build TreeView beginning from that node. Allow checks for the tree nodes. Grey out (and Italic) the abstract entity
schemaFile = System.IO.Path.Combine(DirectoryUtil.IFCSchemaLocation, schemaFile);
FileInfo schemaFileInfo = new FileInfo(schemaFile);
IFCEntityTrie entityTrie = new IFCEntityTrie();
IfcSchemaEntityTree ifcEntityTree = IfcSchemaEntityTree.GetEntityDictFor(m_IfcVersion);
if (ifcEntityTree != null || m_TreeView.Items.Count == 0)
{
m_TreeView.Items.Clear();
m_TreeViewItemDict.Clear();
if (!m_ShowTypeNodeOnly)
{
IfcSchemaEntityNode ifcProductNode;
if (ifcEntityTree.IfcEntityDict.TryGetValue("IfcProduct", out ifcProductNode))
{
// From IfcProductNode, recursively get all the children nodes and assign them into the treeview node (they are similar in the form)
TreeViewItem prod = new TreeViewItem();
prod.Name = "IfcProduct";
if (m_SingleNodeSelection)
{
prod.Header = ifcProductNode.Name + " " + TreeSelectionDesc;
}
else
{
ToggleButton prodNode = new CheckBox();
prodNode.Name = prod.Name;
prodNode.Content = prod.Name;
prodNode.IsChecked = true;
prod.Header = prodNode;
prodNode.Checked += new RoutedEventHandler(TreeViewItem_HandleChecked);
prodNode.Unchecked += new RoutedEventHandler(TreeViewItem_HandleUnchecked);
}
prod.IsExpanded = true;
prod.FontWeight = FontWeights.Bold;
m_TreeView.Items.Add(GetNode(ifcProductNode, prod, ExclElementSet));
}
}
IfcSchemaEntityNode ifcTypeProductNode;
if (ifcEntityTree.IfcEntityDict.TryGetValue("IfcTypeProduct", out ifcTypeProductNode))
{
// From IfcTypeProductNode, recursively get all the children nodes and assign them into the treeview node (they are similar in the form)
TreeViewItem typeProd = new TreeViewItem();
typeProd.Name = "IfcTypeProduct";
typeProd.Header = ifcTypeProductNode.Name + " " + TreeSelectionDesc;
if (m_SingleNodeSelection)
{
typeProd.Header = ifcTypeProductNode.Name + " " + TreeSelectionDesc;
}
else
{
ToggleButton typeProdNode = new CheckBox();
typeProdNode.Name = typeProd.Name;
typeProdNode.Content = typeProd.Name;
typeProdNode.IsChecked = true;
typeProd.Header = typeProdNode;
typeProdNode.Checked += new RoutedEventHandler(TreeViewItem_HandleChecked);
typeProdNode.Unchecked += new RoutedEventHandler(TreeViewItem_HandleUnchecked);
}
typeProd.IsExpanded = true;
typeProd.FontWeight = FontWeights.Bold;
m_TreeView.Items.Add(GetNode(ifcTypeProductNode, typeProd, ExclElementSet));
}
if (!m_ShowTypeNodeOnly)
{
IfcSchemaEntityNode ifcGroupNode;
if (ifcEntityTree.IfcEntityDict.TryGetValue("IfcGroup", out ifcGroupNode))
{
// For IfcGroup, a header is neaded because the IfcGroup itself is not a Abstract entity
TreeViewItem groupHeader = new TreeViewItem();
groupHeader.Name = "IfcGroup";
if (m_SingleNodeSelection)
{
groupHeader.Header = "IfcGroup" + " " + TreeSelectionDesc;
}
else
{
ToggleButton groupHeaderNode = new CheckBox();
groupHeaderNode.Name = groupHeader.Name;
groupHeaderNode.Content = groupHeader.Name;
groupHeaderNode.IsChecked = true;
groupHeader.Header = groupHeaderNode;
groupHeaderNode.Checked += new RoutedEventHandler(TreeViewItem_HandleChecked);
groupHeaderNode.Unchecked += new RoutedEventHandler(TreeViewItem_HandleUnchecked);
}
groupHeader.IsExpanded = true;
groupHeader.FontWeight = FontWeights.Bold;
m_TreeView.Items.Add(groupHeader);
// From IfcGroup Node, recursively get all the children nodes and assign them into the treeview node (they are similar in the form)
TreeViewItem groupNode = new TreeViewItem();
ToggleButton groupNodeItem;
if (m_SingleNodeSelection)
{
groupNodeItem = new RadioButton();
}
else
{
groupNodeItem = new CheckBox();
}
groupNode.Name = "IfcGroup";
groupNode.Header = groupNodeItem;
groupNode.IsExpanded = true;
m_TreeViewItemDict.Add(groupNode.Name, groupNode);
m_EntityTrie.AddIFCEntityToDict(groupNode.Name);
groupNodeItem.Name = "IfcGroup";
groupNodeItem.Content = "IfcGroup";
groupNodeItem.FontWeight = FontWeights.Normal;
groupNodeItem.IsChecked = true; // Default is always Checked
if (ExclElementSet.Contains(groupNode.Name) || m_SingleNodeSelection)
{
groupNodeItem.IsChecked = false; // if the name is inside the excluded element hashset, UNcheck the checkbox (= remember the earlier choice)
}
groupNodeItem.Checked += new RoutedEventHandler(TreeViewItem_HandleChecked);
groupNodeItem.Unchecked += new RoutedEventHandler(TreeViewItem_HandleUnchecked);
groupHeader.Items.Add(GetNode(ifcGroupNode, groupNode, ExclElementSet));
}
}
}
else
{
// Check all elements that have been excluded before for this configuration
foreach (TreeViewItem tvItem in m_TreeView.Items)
{
UnCheckSelectedNode(tvItem, ExclElementSet);
}
}
}
catch
{
// Error above in processing - disable the tree view.
m_TreeView.IsEnabled = false;
}
IFCEntityTreeView.ItemsSource = m_TreeView.Items;
}
