int LoadItems(XDocument doc, Func <string, NameDuplicateResolution> dupesResolver)
{
if (doc.Root == null)
{
return(0);
}
var itemNodes = new List <XElement>();
foreach (var itemElt in doc.Root.Elements("item"))
{
var name = itemElt.AttributeValue("name");
if (string.IsNullOrEmpty(name))
{
continue;
}
if (items.ContainsKey(name))
{
var resolution = dupesResolver(name);
if (resolution == NameDuplicateResolution.Cancel)
{
return(0);
}
if (resolution == NameDuplicateResolution.Skip)
{
continue;
}
}
itemNodes.Add(itemElt);
}
foreach (var itemElt in itemNodes)
{
var name = itemElt.AttributeValue("name");
var search = new UserDefinedSearch(
this,
name,
filtersFactory.CreateFiltersList(itemElt, FiltersListPurpose.Search)
);
items[name] = search;
}
return(itemNodes.Count);
}
IUserDefinedSearch IUserDefinedSearches.AddNew()
{
string name;
for (int num = 1;; ++num)
{
name = string.Format("New filter {0}", num);
if (!items.ContainsKey(name))
{
break;
}
}
var search = new UserDefinedSearch(
this, name,
filtersFactory.CreateFiltersList(FilterAction.Exclude, FiltersListPurpose.Search)
);
items[name] = search;
changeHandlerInvoker.Invoke();
return(search);
}