void CallCollectionChanged(NotifyFileTreeViewCollectionChangedEventArgs eventArgs)
{
var c = CollectionChanged;
if (c != null)
{
c(this, eventArgs);
}
}
void CallCollectionChanged(NotifyFileTreeViewCollectionChangedEventArgs eventArgs) => CollectionChanged?.Invoke(this, eventArgs);
void FileManager_CollectionChanged(object sender, NotifyFileCollectionChangedEventArgs e)
{
switch (e.Type)
{
case NotifyFileCollectionType.Add:
IDnSpyFileNode newNode;
var addFileInfo = e.Data as AddFileInfo;
int index;
if (addFileInfo != null)
{
newNode = addFileInfo.DnSpyFileNode;
index = addFileInfo.Index;
if (newNode.TreeNode == null)
{
TreeView.Create(newNode);
}
}
else
{
newNode = CreateNode(null, e.Files[0]);
TreeView.Create(newNode);
index = TreeView.Root.Children.Count;
}
if ((uint)index >= (uint)TreeView.Root.Children.Count)
{
index = TreeView.Root.Children.Count;
}
TreeView.Root.Children.Insert(index, newNode.TreeNode);
CallCollectionChanged(NotifyFileTreeViewCollectionChangedEventArgs.CreateAdd(newNode));
break;
case NotifyFileCollectionType.Remove:
var dict = new Dictionary <IDnSpyFileNode, int>();
var dict2 = new Dictionary <IDnSpyFile, IDnSpyFileNode>();
int i = 0;
foreach (var n in TopNodes)
{
dict[n] = i++;
dict2[n.DnSpyFile] = n;
}
var list = new List <Tuple <IDnSpyFileNode, int> >(e.Files.Select(a => {
IDnSpyFileNode node;
bool b = dict2.TryGetValue(a, out node);
Debug.Assert(b);
int j = -1;
b = b && dict.TryGetValue(node, out j);
Debug.Assert(b);
return(Tuple.Create(node, b ? j : -1));
}));
list.Sort((a, b) => b.Item2.CompareTo(a.Item2));
var removed = new List <IDnSpyFileNode>();
foreach (var t in list)
{
if (t.Item2 < 0)
{
continue;
}
Debug.Assert((uint)t.Item2 < (uint)TreeView.Root.Children.Count);
Debug.Assert(TreeView.Root.Children[t.Item2].Data == t.Item1);
TreeView.Root.Children.RemoveAt(t.Item2);
removed.Add(t.Item1);
}
DisableMemoryMappedIO(list.Select(a => a.Item1).ToArray());
CallCollectionChanged(NotifyFileTreeViewCollectionChangedEventArgs.CreateRemove(removed.ToArray()));
break;
case NotifyFileCollectionType.Clear:
var oldNodes = TreeView.Root.Children.Select(a => (IDnSpyFileNode)a.Data).ToArray();
TreeView.Root.Children.Clear();
DisableMemoryMappedIO(oldNodes);
CallCollectionChanged(NotifyFileTreeViewCollectionChangedEventArgs.CreateClear(oldNodes));
break;
default:
Debug.Fail(string.Format("Unknown event type: {0}", e.Type));
break;
}
}
