internal override void RequestTreeItems(TreeGridRequestTreeItemsEventArgs e)
{
bool canPopualate = (e.ParentNode != null && e.ParentNode.ChildNodes.Any() && e.ResetChildAndRepopulate) || (e.ParentNode != null && !e.ParentNode.ChildNodes.Any()) || e.ParentNode == null;
if (!canPopualate)
{
if (e.ParentNode != null)
{
if (SortDescriptions.Any())
{
e.ParentNode.ChildNodes.Sort(SortDescriptions, SortComparers);
}
}
return;
}
if (e.ParentItem == null)
{
e.ChildItems = TreeGrid.ItemsSource as IEnumerable;
}
if (e.CanAddChildNode)
{
PopulateTreeNodes(e);
if (this.SortDescriptions.Any())
{
SortNodes(e.ParentNode);
}
}
}
internal override void RequestTreeItems(TreeGridRequestTreeItemsEventArgs e)
{
bool canPopualate = (e.ParentNode != null && e.ParentNode.ChildNodes.Any() && e.ResetChildAndRepopulate) || (e.ParentNode != null && !e.ParentNode.ChildNodes.Any()) || e.ParentNode == null;
if (!canPopualate)
{
if (e.ParentNode != null)
{
if (SortDescriptions.Any())
{
e.ParentNode.ChildNodes.Sort(SortDescriptions, SortComparers);
}
}
return;
}
if (e.ParentItem == null)
{
e.ChildItems = GetChildSourceFromParentID(SelfRelationRootValue, e.ParentItem, true);
}
else
{
object parentValue = propertyAccessProvider.GetValue(e.ParentItem, parentPropertyName);
e.ChildItems = GetChildSourceFromParentID(parentValue, e.ParentItem, e.CanAddChildNode);
}
if (e.CanAddChildNode)
{
PopulateTreeNodes(e);
if (this.SortDescriptions.Any())
{
SortNodes(e.ParentNode);
}
}
}
internal override void RequestTreeItems(TreeGridRequestTreeItemsEventArgs e)
{
bool canPopualte = (e.ParentNode != null && e.ParentNode.ChildNodes.Any() && e.ResetChildAndRepopulate) || (e.ParentNode != null && !e.ParentNode.ChildNodes.Any()) || e.ParentNode == null;
if (!canPopualte)
{
if (e.ParentNode != null && SortDescriptions.Any())
{
e.ParentNode.ChildNodes.Sort(SortDescriptions, SortComparers);
}
return;
}
this.TreeGrid.RaiseRequestTreeItemsEvent(e);
if (e.CanAddChildNode)
{
PopulateTreeNodes(e);
if (e.ChildItems != null)
{
WireNotifyPropertyChange(e.ChildItems);
}
if (this.SortDescriptions.Any())
{
SortNodes(e.ParentNode);
}
}
}
internal override void RequestTreeItems(TreeGridRequestTreeItemsEventArgs e)
{
bool canPopualate = (e.ParentNode != null && e.ParentNode.ChildNodes.Any() && e.ResetChildAndRepopulate) || (e.ParentNode != null && !e.ParentNode.ChildNodes.Any()) || e.ParentNode == null;
if (!canPopualate)
{
if (e.ParentNode != null)
{
if (SortDescriptions.Any())
{
e.ParentNode.ChildNodes.Sort(SortDescriptions, SortComparers);
}
}
return;
}
if (e.ParentItem == null)
{
e.ChildItems = TreeGrid.ItemsSource as IEnumerable;
}
else
{
if (!e.ParentNode.HasChildItems || e.ResetChildAndRepopulate)
{
e.ChildItems = GetChildSource(e.ParentItem, childPropertyName);
if (e.ChildItems is INotifyCollectionChanged)
{
e.ParentNode.HasChildItems = true;
}
}
else
{
e.ChildItems = (IEnumerable)e.ParentNode.ChildItems;
}
}
if (e.ChildItems != null && e.ParentNode != null)
{
WireNotifyPropertyChange(e.ChildItems, e.ParentNode);
}
if (e.CanAddChildNode)
{
PopulateTreeNodes(e);
if (this.SortDescriptions.Any())
{
SortNodes(e.ParentNode);
}
}
}
