public void OnSelect(NodeSelectEventArgs args)
{
var selectedId = args.NodeData.Id;
SelectedTagonomyNode = TagonomyNav.FirstOrDefault(it => it.Id == selectedId)?.Node;
SelectedItem = PreCreateView(null, SelectedTagonomyNode);
}
public TagonomyNodeViewItem PreCreateView(PathNodeElement.Leg leg, TagonomyNode node)
{
var view = new TagonomyNodeViewItem(node);
view.Leg = leg;
var tagonomy = this.Source;
if (leg == null || leg.Type != PathNodeElement.Leg.Types.Shortcut) // Shortcuts show no children.
{
foreach (var childNodeLeg in node.GetDirectChildrenLegs())
{
var childNode = tagonomy.GetNode(childNodeLeg.TargetNodeId);
if (childNode == null)
{
continue;
}
TagonomyNodeViewItem childView = PreCreateView(childNodeLeg, childNode);
view.AddChild(childView);
}
}
return(view);
}
public List <TagonomyNodeViewItem> AllParentViews()
{
List <TagonomyNodeViewItem> result = new List <TagonomyNodeViewItem>();
TagonomyNodeViewItem parentView = this.ParentView;
while (parentView != null)
{
result.Add(parentView);
parentView = parentView.ParentView;
}
return(result);
}
public async Task Init()
{
if (HyperStore == null)
{
await OnToastMessage.InvokeAsync(new ToastMessage("Missing Hyper Store", ToastMessageType.Error));
return;
}
await PopulateData();
SelectedTagonomyNode = RootView?.Node;
SelectedItem = PreCreateView(null, SelectedTagonomyNode);
IsLoadedData = true;
}
private TagonomyNodeNavigationItem GetTagonomyNav(TagonomyNodeViewItem item)
{
if (item == null)
{
throw new Exception("Missing tagonomy node data");
}
return(new TagonomyNodeNavigationItem
{
Id = item.Id,
Name = item.Name,
Expanded = true,
ParentId = item.ParentView?.Id,
HasSubFolders = item.Children.Count > 0,
Node = item.Node
});
}
private void PopulateNavigation(TagonomyNodeViewItem item)
{
var view = GetTagonomyNav(item);
TagonomyNav.Add(view);
if (item.Children != null)
{
foreach (var childItem in item.Children)
{
if (childItem.Children != null)
{
PopulateNavigation(childItem);
}
}
}
}
public void RemoveChild(TagonomyNodeViewItem view)
{
this.Children.Remove(view);
view.ParentView = null;
}
public void AddChild(TagonomyNodeViewItem view)
{
this.Children.Add(view);
view.ParentView = this;
}