public static Dictionary <string, TreeItem> PopulatePropertyTree(
IEnumerable <PropertyConfig> properties, ObservableCollection <TreeItem> treeItems,
bool isInstalled, Action <TreeItem, PropertyConfig> OnCreate = null)
{
Dictionary <string, TreeItem> dict = new Dictionary <string, TreeItem>();
// Build tree based on property names
foreach (var p in properties)
{
var treeItem = AddTreeItem(dict, treeItems, p);
OnCreate?.Invoke(treeItem, p);
}
// Populating installed tree - do some surgery on the system properties
if (isInstalled)
{
List <TreeItem> roots = new List <TreeItem>(treeItems);
treeItems.Clear();
List <TreeItem> lastRoots = new List <TreeItem>();
// Wire trees to tree controls, tweaking the structure as we go
TreeItem propGroup = null;
foreach (TreeItem root in
roots)
{
if (root.Name == "System")
{
lastRoots.Insert(0, root);
// Move property groups from root to their own subtree
propGroup = root.Children.Where(x => x.Name == "PropGroup").FirstOrDefault();
if (propGroup != null)
{
root.RemoveChild(propGroup);
lastRoots.Add(propGroup);
}
// Move properties with names of the form System.* to their own subtree
var systemProps = new TreeItem("System.*");
lastRoots.Insert(0, systemProps);
foreach (var ti in root.Children.Where(x => x.Children.Count == 0).ToList())
{
root.RemoveChild(ti);
systemProps.AddChild(ti);
}
}
else if (root.Name == "Microsoft")
{
lastRoots.Insert(0, root);
}
else
{
treeItems.Add(root);
}
}
foreach (var ti in lastRoots)
{
treeItems.Add(ti);
}
}
else
{
// Fully expand the saved tree
ExpandTree(treeItems);
}
return(dict);
}