protected override IEnumerable <JsonCompletionEntry> GetEntries(JsonCompletionContext context)
{
MemberNode member = context.ContextNode.FindType <MemberNode>();
if (member == null || member.UnquotedNameText != "files")
{
yield break;
}
var parent = member.Parent as ObjectNode;
if (!JsonHelpers.TryGetInstallationState(parent, out ILibraryInstallationState state))
{
yield break;
}
if (string.IsNullOrEmpty(state.Name))
{
yield break;
}
IDependencies dependencies = _dependenciesFactory.FromConfigFile(ConfigFilePath);
IProvider provider = dependencies.GetProvider(state.ProviderId);
ILibraryCatalog catalog = provider?.GetCatalog();
if (catalog == null)
{
yield break;
}
Task <ILibrary> task = catalog.GetLibraryAsync(state.Name, state.Version, CancellationToken.None);
FrameworkElement presenter = GetPresenter(context);
IEnumerable <string> usedFiles = GetUsedFiles(context);
if (task.IsCompleted)
{
if (!(task.Result is ILibrary library))
{
yield break;
}
foreach (string file in library.Files.Keys)
{
if (!usedFiles.Contains(file))
{
ImageSource glyph = WpfUtil.GetIconForFile(presenter, file, out bool isThemeIcon);
yield return(new SimpleCompletionEntry(file, glyph, context.Session));
}
}
}
else
{
yield return(new SimpleCompletionEntry(Resources.Text.Loading, string.Empty, KnownMonikers.Loading, context.Session));
_ = task.ContinueWith(async(t) =>
{
await VisualStudio.Shell.ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
if (!(t.Result is ILibrary library))
{
return;
}
if (!context.Session.IsDismissed)
{
var results = new List <JsonCompletionEntry>();
foreach (string file in library.Files.Keys)
{
if (!usedFiles.Contains(file))
{
ImageSource glyph = WpfUtil.GetIconForFile(presenter, file, out bool isThemeIcon);
results.Add(new SimpleCompletionEntry(file, glyph, context.Session));
}
}
UpdateListEntriesSync(context, results);
}
}, TaskScheduler.Default);
}
}
private async void RetriggerAsync(bool force)
{
_lastTyped = DateTime.Now;
int delay = force ? 50 : _delay;
// Don't leave "stale" completion session up while the user is typing, or else we could
// get completion from a stale session.
ICompletionSession completionSession = _broker.GetSessions(_textView).FirstOrDefault();
if (completionSession != null && completionSession.Properties.TryGetProperty <bool>(RetriggerCompletion, out bool retrigger) && retrigger)
{
completionSession.Dismiss();
}
await System.Threading.Tasks.Task.Delay(delay);
// Prevents retriggering from happening while typing fast
if (_lastTyped.AddMilliseconds(delay) > DateTime.Now)
{
return;
}
// Completion may have gotten invoked via by Web Editor OnPostTypeChar(). Don't invoke again, or else we get flikering completion list
// TODO:Review the design here post-preview 4 and make sure this completion controller doesn't clash with Web Editors Json completion controller
completionSession = _broker.GetSessions(_textView).FirstOrDefault();
if (completionSession != null && completionSession.Properties.TryGetProperty <bool>(RetriggerCompletion, out retrigger))
{
return;
}
var doc = JsonEditorDocument.FromTextBuffer(_textView.TextDataModel.DocumentBuffer);
if (doc == null)
{
return;
}
Node node = JsonHelpers.GetNodeBeforePosition(_textView.Caret.Position.BufferPosition, doc.DocumentNode);
if (node == null)
{
return;
}
MemberNode memberNode = node.FindType <MemberNode>();
if (memberNode == null ||
(!memberNode.UnquotedNameText.Equals(ManifestConstants.Library, StringComparison.Ordinal) &&
!memberNode.UnquotedNameText.Equals(ManifestConstants.Destination, StringComparison.Ordinal) &&
memberNode.UnquotedValueText?.Length <= 1))
{
return;
}
ObjectNode parent = node.FindType <ObjectNode>();
if (JsonHelpers.TryGetInstallationState(parent, out ILibraryInstallationState state))
{
VsHelpers.DTE.ExecuteCommand("Edit.ListMembers");
}
}
protected override IEnumerable <JSONCompletionEntry> GetEntries(JSONCompletionContext context)
{
JSONMember member = context.ContextItem.FindType <JSONMember>();
if (member == null || member.UnquotedNameText != "files")
{
yield break;
}
var parent = member.Parent as JSONObject;
if (!JsonHelpers.TryGetInstallationState(parent, out ILibraryInstallationState state))
{
yield break;
}
if (string.IsNullOrEmpty(state.LibraryId))
{
yield break;
}
var dependencies = Dependencies.FromConfigFile(ConfigFilePath);
IProvider provider = dependencies.GetProvider(state.ProviderId);
ILibraryCatalog catalog = provider?.GetCatalog();
if (catalog == null)
{
yield break;
}
Task <ILibrary> task = catalog.GetLibraryAsync(state.LibraryId, CancellationToken.None);
FrameworkElement presenter = GetPresenter(context);
IEnumerable <string> usedFiles = GetUsedFiles(context);
if (task.IsCompleted)
{
if (!(task.Result is ILibrary library))
{
yield break;
}
foreach (string file in library.Files.Keys)
{
if (!usedFiles.Contains(file))
{
ImageSource glyph = WpfUtil.GetIconForFile(presenter, file, out bool isThemeIcon);
yield return(new SimpleCompletionEntry(file, glyph, context.Session));
}
}
}
else
{
yield return(new SimpleCompletionEntry(Resources.Text.Loading, string.Empty, KnownMonikers.Loading, context.Session));
task.ContinueWith((a) =>
{
if (!(task.Result is ILibrary library))
{
return;
}
if (!context.Session.IsDismissed)
{
var results = new List <JSONCompletionEntry>();
foreach (string file in library.Files.Keys)
{
if (!usedFiles.Contains(file))
{
ImageSource glyph = WpfUtil.GetIconForFile(presenter, file, out bool isThemeIcon);
results.Add(new SimpleCompletionEntry(file, glyph, context.Session));
}
}
UpdateListEntriesSync(context, results);
}
});
}
}
protected override IEnumerable <JsonCompletionEntry> GetEntries(JsonCompletionContext context)
{
var member = context.ContextNode as MemberNode;
if (member == null || member.UnquotedNameText != ManifestConstants.Library)
{
yield break;
}
var parent = member.Parent as ObjectNode;
if (!JsonHelpers.TryGetInstallationState(parent, out ILibraryInstallationState state))
{
yield break;
}
var dependencies = _dependenciesFactory.FromConfigFile(ConfigFilePath);
IProvider provider = dependencies.GetProvider(state.ProviderId);
ILibraryCatalog catalog = provider?.GetCatalog();
if (catalog == null)
{
yield break;
}
// member.Value is null when there is no value yet, e.g. when typing a space at "library":|
// where | represents caret position. In this case, set caretPosition to "1" to short circuit execution of this function
// and return no entries (member.UnquotedValueText will be empty string in that case).
int caretPosition = member.Value != null ? context.Session.TextView.Caret.Position.BufferPosition - member.Value.Start - 1 : 1;
if (caretPosition > member.UnquotedValueText.Length)
{
yield break;
}
Task <CompletionSet> task = catalog.GetLibraryCompletionSetAsync(member.UnquotedValueText, caretPosition);
int count = 0;
if (!context.Session.Properties.ContainsProperty(CompletionController.RetriggerCompletion))
{
context.Session.Properties.AddProperty(CompletionController.RetriggerCompletion, true);
}
if (task.IsCompleted)
{
CompletionSet completionSet = task.Result;
if (completionSet.Completions != null)
{
List <JsonCompletionEntry> results = GetCompletionList(member, context, completionSet, count);
foreach (JsonCompletionEntry completionEntry in results)
{
yield return(completionEntry);
}
}
}
else
{
yield return(new SimpleCompletionEntry(Resources.Text.Loading, string.Empty, KnownMonikers.Loading, context.Session));
_ = task.ContinueWith((t) =>
{
if (!t.IsCanceled || !t.IsFaulted)
{
if (!context.Session.IsDismissed)
{
CompletionSet completionSet = t.Result;
if (completionSet.Completions != null)
{
List <JsonCompletionEntry> results = GetCompletionList(member, context, completionSet, count);
UpdateListEntriesSync(context, results);
}
}
}
}, TaskScheduler.Default);
}
}
