ifc loaded into tree control member

 

void IfcTreeWidget::setParentCheckState(QTreeWidgetItem *item)
{
    if(!item) return;
    int selectedCount=0;
    int childCount = item->childCount();
    for (int i=0;i<childCount;i++)
    {
        QTreeWidgetItem* child= item->child(i);
        if(child->checkState(0)==Qt::Checked) 
        {
            selectedCount++;
        }
    }
 
    if(selectedCount == 0) {
        item->setCheckState(0,Qt::Unchecked);
    } else if (selectedCount == childCount) {
        item->setCheckState(0,Qt::Checked);
    } else {
        item->setCheckState(0,Qt::PartiallyChecked);
    }
}