private void InitializeComponent()
{
AvaloniaXamlLoader.Load(this);
CompletionListControl = new CompletionListControl(this);
this.FindControl <ScrollViewer>("ItemsScrollViewer").Content = CompletionListControl;
}
public async Task SetSelectedIndex(int index)
{
CompletionListControl.SelectedIndex = index;
CompletionListControl.InvalidateVisual();
if (!UpdatingItems && CompletionListControl.SelectedIndex >= 0)
{
if (!CompletionListControl.Hidden[CompletionListControl.SelectedIndex])
{
CompletionItem item = CompletionListControl.Items[CompletionListControl.SelectedIndex].item;
await GetSymbolComments(item);
}
else
{
this.FindControl <Border>("DocumentationBorder").IsVisible = false;
await UpdateScrollViewer();
}
}
}
private async Task UpdateFilter()
{
bool[] filters = new bool[FilterButtons.Count];
for (int i = 0; i < FilterButtons.Count; i++)
{
filters[i] = FilterButtons[i].IsVisible && FilterButtons[i].IsChecked == true;
}
bool[] foundFilters = new bool[FilterButtons.Count];
bool[] foundButFilteredFilters = new bool[FilterButtons.Count];
CompletionListControl.Filter = FilterText;
string filter = FilterText?.Trim();
int index = 0;
int firstVisibleIndex = -1;
int visibleCount = 0;
int firstExactMatch = -1;
if (!filters.Any(a => a))
{
for (int i = 0; i < filters.Length; i++)
{
filters[i] = true;
}
}
for (int i = 0; i < CompletionListControl.Items.Count; i++)
{
CompletionItem item = CompletionListControl.Items[i].item;
int foundIndex = -1;
if (item.Properties.ContainsKey("SymbolKind"))
{
switch ((SymbolKind)(int.Parse(item.Properties["SymbolKind"])))
{
case SymbolKind.Property:
CompletionListControl.Hidden[i] = !filters[8];
foundIndex = 8;
break;
case SymbolKind.Event:
CompletionListControl.Hidden[i] = !filters[7];
foundIndex = 7;
break;
case SymbolKind.Field:
CompletionListControl.Hidden[i] = !filters[6];
foundIndex = 6;
break;
case SymbolKind.Method:
CompletionListControl.Hidden[i] = !filters[9];
foundIndex = 9;
break;
case SymbolKind.NamedType:
case SymbolKind.DynamicType:
case SymbolKind.ArrayType:
case SymbolKind.PointerType:
if (item.Tags.Contains(WellKnownTags.Class))
{
CompletionListControl.Hidden[i] = !filters[1];
foundIndex = 1;
}
else if (item.Tags.Contains(WellKnownTags.Delegate))
{
CompletionListControl.Hidden[i] = !filters[5];
foundIndex = 5;
}
else if (item.Tags.Contains(WellKnownTags.Enum))
{
CompletionListControl.Hidden[i] = !filters[4];
foundIndex = 4;
}
else if (item.Tags.Contains(WellKnownTags.Structure))
{
CompletionListControl.Hidden[i] = !filters[2];
foundIndex = 2;
}
else if (item.Tags.Contains(WellKnownTags.Interface))
{
CompletionListControl.Hidden[i] = !filters[3];
foundIndex = 3;
}
else
{
CompletionListControl.Hidden[i] = !filters[12];
foundIndex = 12;
}
break;
case SymbolKind.Namespace:
CompletionListControl.Hidden[i] = !filters[0];
foundIndex = 0;
break;
case SymbolKind.Local:
case SymbolKind.Parameter:
CompletionListControl.Hidden[i] = !filters[10];
foundIndex = 10;
break;
default:
CompletionListControl.Hidden[i] = !filters[12];
foundIndex = 12;
break;
}
}
else if (item.Tags.Contains(WellKnownTags.Keyword))
{
CompletionListControl.Hidden[i] = !filters[11];
foundIndex = 11;
}
else if (item.Tags.Contains(WellKnownTags.Local) || item.Tags.Contains(WellKnownTags.Parameter))
{
CompletionListControl.Hidden[i] = !filters[10];
foundIndex = 10;
}
else if (item.Tags.Contains(WellKnownTags.Class))
{
CompletionListControl.Hidden[i] = !filters[1];
foundIndex = 1;
}
else if (item.Tags.Contains(WellKnownTags.Enum))
{
CompletionListControl.Hidden[i] = !filters[4];
foundIndex = 4;
}
else
{
CompletionListControl.Hidden[i] = !filters[12];
foundIndex = 12;
}
if (string.IsNullOrEmpty(filter))
{
foundButFilteredFilters[foundIndex] = true;
//CompletionListControl.Hidden[i] |= false;
}
else if (item.FilterText.StartsWith(filter, StringComparison.OrdinalIgnoreCase))
{
foundButFilteredFilters[foundIndex] = true;
//CompletionListControl.Hidden[i] |= false;
}
else
{
CompletionListControl.Hidden[i] = true;
}
if (!CompletionListControl.Hidden[i])
{
foundFilters[foundIndex] = true;
}
if (firstVisibleIndex < 0 && !CompletionListControl.Hidden[i])
{
firstVisibleIndex = index;
}
if (!CompletionListControl.Hidden[i])
{
visibleCount++;
if (!string.IsNullOrEmpty(filter) && item.FilterText.StartsWith(filter) && firstExactMatch < 0)
{
firstExactMatch = index;
}
}
index++;
}
for (int i = 0; i < foundFilters.Length; i++)
{
((Control)this.FindControl <StackPanel>("FilterContainer").Children[i]).IsEnabled = foundFilters[i] || foundButFilteredFilters[i];
if (((Control)this.FindControl <StackPanel>("FilterContainer").Children[i]).IsEnabled)
{
((Control)this.FindControl <StackPanel>("FilterContainer").Children[i]).Opacity = 1;
}
else
{
((Control)this.FindControl <StackPanel>("FilterContainer").Children[i]).Opacity = 0.25;
}
}
if ((SelectedIndex < 0 || (filter != null && !CompletionListControl.Items[CompletionListControl.SelectedIndex].item.FilterText.StartsWith(filter))) && firstExactMatch > 0)
{
await SetSelectedIndex(firstExactMatch);
}
else if ((SelectedIndex < 0 || CompletionListControl.Hidden[CompletionListControl.SelectedIndex]) && firstVisibleIndex >= 0)
{
await SetSelectedIndex(firstVisibleIndex);
}
if (!AnchorOnTop)
{
this.Height = Math.Min(this.MaxWindowHeight, visibleCount * 20 + 33);
}
else
{
this.Height = Math.Min(this.MaxWindowHeight, visibleCount * 20 + 33);
double prevX = ((TranslateTransform)this.RenderTransform).X;
this.RenderTransform = new TranslateTransform(prevX, this.TopAnchor - this.Height);
}
VisibleItems = visibleCount;
await UpdateScrollViewer();
if (visibleCount == 0)
{
this.IsVisible = false;
}
CompletionListControl.InvalidateMeasure();
await SetSelectedIndex(SelectedIndex);
}