public void SelectDirectory(DirectoryEntryViewModel directoryEntry, TreeView treeView, Action beforeSelectItem, Action afterSelectItem)
{
if (ReferenceEquals(CurrentRootNodesViewModel, _fileSystemEntryRootNodes))
{
return;
}
var chromiumRoot = GetChromiumRoot(directoryEntry);
var entryViewModel =
_fileSystemEntryRootNodes.OfType <DirectoryEntryViewModel>()
.FirstOrDefault(x => SystemPathComparer.Instance.Comparer.Equals(x.Name, chromiumRoot.Name));
if (entryViewModel == null)
{
return;
}
foreach (var childName in directoryEntry.Name.Split(Path.DirectorySeparatorChar))
{
var childViewModel = entryViewModel
.Children
.OfType <DirectoryEntryViewModel>()
.FirstOrDefault(x => SystemPathComparer.Instance.Comparer.Equals(x.Name, childName));
if (childViewModel == null)
{
entryViewModel.EnsureAllChildrenLoaded();
childViewModel = entryViewModel
.Children
.OfType <DirectoryEntryViewModel>()
.FirstOrDefault(x => SystemPathComparer.Instance.Comparer.Equals(x.Name, childName));
if (childViewModel == null)
{
return;
}
}
entryViewModel = childViewModel;
}
SwitchToFileSystemTree();
entryViewModel.IsExpanded = true;
entryViewModel.IsSelected = true;
WpfUtilities.Invoke(treeView, DispatcherPriority.ApplicationIdle, () => {
try {
beforeSelectItem();
try {
WpfUtilities.SelectItem(treeView, entryViewModel);
}
finally {
afterSelectItem();
}
}
catch (Exception e) {
Logger.LogException(e, "Error updating TreeView UI to show selected item.");
}
});
}