public override void Filter()
{
try {
var text = ApplicableTo.GetText(ApplicableTo.TextBuffer.CurrentSnapshot);
text = text.TrimStart('.').Trim(' ');
//if (IsNullOrWhiteSpace(text)) {
// _session.Dismiss();
// return;
//}
var orderedByDistance = _items.Where(c => ContainsAllSymbols(text, c.InsertionText))
.OfType <MyCompletion>()
.OrderBy(c => {
var distance = GetSymbolDistance(c, text);
c.OrderIndex = distance;
return(distance);
})
.Distinct(new CompletionEqualityComparer());
var zeroIndex = new List <Completion>();
var properties = new List <Completion>();
var nodes = new List <Completion>();
var other = new List <Completion>();
foreach (var item in orderedByDistance)
{
if (item.OrderIndex == 0)
{
zeroIndex.Add(item);
}
else if (item.CompletionType == CompletionType.Property)
{
properties.Add(item);
}
else if (item.CompletionType == CompletionType.Node)
{
nodes.Add(item);
}
else
{
other.Add(item);
}
}
WritableCompletions.Clear();
WritableCompletions.AddRange(zeroIndex.Concat(properties)
.Concat(nodes)
.Concat(other)
.ToList());
if (WritableCompletions.Count > 0)
{
SelectionStatus = new CompletionSelectionStatus(WritableCompletions[0], true, true);
}
} catch (Exception e) {
Debug.WriteLine("Filter failed");
Debug.WriteLine(e.ToString());
}
}
private void UpdateCompletions(IEnumerable <CompletionItem> items)
{
WritableCompletions.BeginBulkOperation();
try
{
WritableCompletions.Clear();
WritableCompletions.AddRange(ToCompletions(items));
}
finally
{
WritableCompletions.EndBulkOperation();
}
}
private void CreateNormalCompletionListItems(IList <RoslynCompletionItem> completionItems)
{
try
{
WritableCompletions.BeginBulkOperation();
WritableCompletions.Clear();
foreach (var item in completionItems)
{
var completionItem = GetVSCompletion(item);
WritableCompletions.Add(completionItem);
}
}
finally
{
WritableCompletions.EndBulkOperation();
}
}