/// <summary>
/// Load child items.
/// </summary>
/// <param name="item">Current tree view item.</param>
/// <param name="level">Recursion level.</param>
/// <param name="index">Current level.</param>
public void LoadChildItems(TreeViewItemModel item, int?level = null, int?index = null)
{
try
{
var dir = new DirectoryInfo(Path);
var folders = dir
.GetDirectories()
.Select(x => x.ConvertToTreeItemModel())
.ToList();
item.ChildItems.Clear();
foreach (var folder in folders)
{
if (level.HasValue && level.Value >= index.Value)
{
index++;
LoadChildItems(folder, level, index);
}
item.ChildItems.Add(folder);
}
}
catch (Exception)
{
}
}
/// <summary>
/// Get selected item.
/// </summary>
/// <param name="item">Root item.</param>
/// <returns>Selected item.</returns>
public static TreeViewItemModel GetSelectedItem(TreeViewItemModel item)
{
if (item.IsSelected)
{
return(item);
}
if (!item.IsSelected && item.ChildItems.Any())
{
var selectedTreeItemModel = item.ChildItems
.Select(childItem => GetSelectedItem(childItem))
.FirstOrDefault(selectedItem => selectedItem != null);
if (selectedTreeItemModel != null)
{
selectedTreeItemModel.IsSelected = false;
return(selectedTreeItemModel);
}
}
return(null);
}