public DirectoryTreeViewItemViewModel EnsureFolder(string path)
{
var dirInfo = new DirectoryInfo(path);
var segments = GetPathSegments(dirInfo);
var currentRoots = new List <DirectoryTreeViewItemViewModel>(Roots);
DirectoryTreeViewItemViewModel currentSegment = null;
foreach (var segment in segments)
{
currentSegment = currentRoots.FirstOrDefault(
vm => vm.DisplayPath.Equals(segment, StringComparison.InvariantCultureIgnoreCase));
if (currentSegment == null)
{
break;
}
currentSegment.EnsureItemsLoaded();
currentRoots = new List <DirectoryTreeViewItemViewModel>(currentSegment.Children);
}
return(currentSegment);
}
public FolderViewModel(Folder folder, DirectoryTreeViewItemViewModel parentFolderViewModel)
: base(parentFolderViewModel, true)
{
_folder = folder;
var dir = new DirectoryInfo(_folder.FolderPath);
_displayPath = dir.Name;
}
public FolderViewModel(Folder folder, DirectoryTreeViewItemViewModel parentFolderViewModel)
: base(parentFolderViewModel, true)
{
_folder = folder;
var dir = new DirectoryInfo(_folder.FolderPath);
_displayPath = dir.Name;
}
public DirectoryTreeViewItemViewModel(DirectoryTreeViewItemViewModel parent, bool lazyLoad)
{
_parent = parent;
_children = new List<DirectoryTreeViewItemViewModel>();
if (lazyLoad)
_children.Add(DummyChild);
_isChecked = false;
}
public DirectoryTreeViewItemViewModel(DirectoryTreeViewItemViewModel parent, bool lazyLoad)
{
_parent = parent;
_children = new List <DirectoryTreeViewItemViewModel>();
if (lazyLoad)
{
_children.Add(DummyChild);
}
_isChecked = false;
}
private static IEnumerable <DirectoryTreeViewItemViewModel> GetCheckedFolders(DirectoryTreeViewItemViewModel node)
{
if (node.IsChecked == true)
{
yield return(node);
}
if (node.HasDummyChild)
{
yield break;
}
foreach (var subnode in node.Children.SelectMany(GetCheckedFolders))
{
yield return(subnode);
}
}
private static IEnumerable<DirectoryTreeViewItemViewModel> GetCheckedFolders(DirectoryTreeViewItemViewModel node)
{
if (node.IsChecked == true)
yield return node;
if (node.HasDummyChild)
yield break;
foreach (var subnode in node.Children.SelectMany(GetCheckedFolders))
{
yield return subnode;
}
}