private LiteTreeViewItemViewModel AddChild(object child, int index = -1)
{
var myTreeItem = new LiteTreeViewItemViewModel();
Add(myTreeItem, index);
myTreeItem.InnerObject = child;
_itemsToTreeItems[child] = myTreeItem;
_treeItemsToItems[myTreeItem] = child;
return(myTreeItem);
}
public void Add(LiteTreeViewItemViewModel child, int index = -1)
{
if (Children == null)
{
Children = new List <LiteTreeViewItemViewModel>();
}
if (index == -1)
{
Children.Add(child);
}
else
{
Children.Insert(index, child);
}
child.MyParent = this;
child.Level = this.Level + 1;
}
void MyItemsSourceChanged(DependencyPropertyChangedEventArgs eventArgs)
{
var observableCollectionAdv = new ObservableCollection <LiteTreeViewItemViewModel>();
if (Root != null)
{
Root.Dispose();
}
if (eventArgs.NewValue != null)
{
var inputCollection = eventArgs.NewValue as IEnumerable;
Root = new LiteTreeViewItemViewModel {
IsOpen = true, Level = -1
};
Root.InnerObject = new HaveChildrenCollectionWrapper(inputCollection);
Root.FillTreeList(observableCollectionAdv);
}
InternalCollection = observableCollectionAdv;
ItemsSource = InternalCollection;
}
