static void DictionaryItem_Deleting(Dictionary.DictionaryItem sender, EventArgs e)
{
lock (_deleteLock)
{
if (sender.hasChildren)
{
// we get the delets in a backwards order, so we add all the children of this
// node to the list we are not going to delete when we get asked to.
//
foreach(Dictionary.DictionaryItem child in sender.Children)
{
_dChildren.Add(child.id) ;
}
}
if (_dChildren.Contains(sender.id))
{
// this is a child of a parent we have already deleted.
_dChildren.Remove(sender.id);
LogHelper.Debug<uSync>("No Deleteing Dictionary item {0} because we deleted it's parent", ()=> sender.key);
}
else
{
//actually delete
LogHelper.Debug<uSync>("Deleting Dictionary Item {0}", ()=> sender.key);
// when you delete a tree, the top gets called before the children.
//
if (!sender.IsTopMostItem())
{
// if it's not top most, we save it's parent (that will delete)
SaveToDisk(GetTop(sender));
}
else
{
// it's top we need to delete
helpers.XmlDoc.ArchiveFile("Dictionary", sender.key);
}
}
}
}
private static Dictionary.DictionaryItem GetTop(Dictionary.DictionaryItem item)
{
if (!item.IsTopMostItem())
{
LogHelper.Debug<uSync>("is Top Most [{0}]", ()=> item.IsTopMostItem());
try
{
if (item.Parent != null)
{
LogHelper.Debug<uSync>("parent [{0}]", () => item.Parent.key);
return GetTop(item.Parent);
}
}
catch (ArgumentException aex)
{
LogHelper.Info<uSync>("Argument Exception - basically Parent is Null");
}
}
return item;
}