private static IEnumerable <LazyObservableTree <DirectoryInfo> > getChildrenFromSource(LazyObservableTree <DirectoryInfo> root)
{
Logger.WriteLine($"GenerateCildren: this= {root.Value.FullName}");
var linkTree = root as LinkedLayTree;
if (linkTree == null)
{
return(new LinkedLayTree[0]);
}
if (!linkTree.Source.AreChildrenGenerated)
{
//linkTree.RemoveSourceEvents(linkTree.Source);
linkTree.Source.GenerateChildren();
//linkTree.AddSourceEvents(linkTree.Source);
return(new LinkedLayTree[0]);
}
var selectedChildren = linkTree.Source.Children.Cast <LazyDirectoryTree>()
.Where(child => child.IsSelected != false)
.ToArray();
var newChildren = selectedChildren.Select(child =>
{
var newTree = new LinkedLayTree(child);
return(newTree);
});
return(newChildren);
}
private void DirList_ItemAdded(ICollection <DirectoryInfo> sender, DirectoryInfo newItem, int index)
{
var newLazyDirectoryTree = new LazyDirectoryTree(newItem);
var newLinkedTree = new LinkedLayTree(newLazyDirectoryTree);
this.LinkedRootList.Add(newLinkedTree);
this.SourceRootList.Add(newLazyDirectoryTree);
}
private void Source_ChildTreeAttached(ObservableSortedTree <DirectoryInfo> sender, ObservableSortedTree <DirectoryInfo> child)
{
Logger.WriteLine($"{nameof(Source_ChildTreeAttached)}: Sender= {sender.Value.FullName} Child= {child.Value.FullName} this= {this.Value.FullName}");
var lchild = child as LazyDirectoryTree;
if (lchild != null)
{
lchild.IsSelectedChanged += SourceChild_IsSelectedChanged;
if (lchild.IsSelected != false)
{
if (this.AreChildrenGenerated)
{
var newChild = new LinkedLayTree(lchild);
this.Children.Add(newChild);
}
//FindOrAddDirectoryToDest(child.Value);
}
//child.ChildTreeAttached += Source_ChildTreeAttached;
//child.ChildTreeDetached += Source_ChildTreeDetached;
}
}
private static int CompareLinkedTrees(LinkedLayTree link1, LinkedLayTree link2)
{
return(string.Compare(link1.Source.Value.FullName,
link2.Source.Value.FullName,
StringComparison.InvariantCultureIgnoreCase));
}