public AlCompletionDataFactory(AlCompletionContext completionContext, AlResolver contextAtCaret)
{
Debug.Assert(completionContext != null);
Debug.Assert(contextAtCaret != null);
this.completionContext = completionContext;
this.contextAtCaret = contextAtCaret;
this.builder = new TypeSystemAstBuilder(contextAtCaret);
}
void window_CaretPositionChanged(object sender, EventArgs e)
{
var completionContext = AlCompletionContext.Get(editor);
if (completionContext == null)
{
window.Close();
return;
}
var completionFactory = new AlCompletionDataFactory(completionContext, new AlResolver(completionContext.TypeResolveContextAtCaret));
var pce = new AlParameterCompletionEngine(
editor.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
UpdateHighlightedParameter(pce);
}
bool ShowCompletion(ITextEditor editor, char completionChar, bool ctrlSpace)
{
AlCompletionContext completionContext;
if (fileContent == null)
{
completionContext = AlCompletionContext.Get(editor);
}
else
{
completionContext = AlCompletionContext.Get(editor, context, currentLocation, fileContent);
}
if (completionContext == null)
{
return(false);
}
int caretOffset;
if (fileContent == null)
{
caretOffset = editor.Caret.Offset;
currentLocation = editor.Caret.Location;
}
else
{
caretOffset = completionContext.Document.GetOffset(currentLocation);
}
var completionFactory = new AlCompletionDataFactory(completionContext, new AlResolver(completionContext.TypeResolveContextAtCaret));
AlCompletionEngine cce = new AlCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var formattingOptions = AlFormattingPolicies.Instance.GetProjectOptions(completionContext.Compilation.GetProject());
cce.FormattingPolicy = formattingOptions.OptionsContainer.GetEffectiveOptions();
cce.EolMarker = DocumentUtilities.GetLineTerminator(completionContext.Document, currentLocation.Line);
cce.IndentString = editor.Options.IndentationString;
int startPos, triggerWordLength;
IEnumerable <ICompletionData> completionData;
if (ctrlSpace)
{
if (!cce.TryGetCompletionWord(caretOffset, out startPos, out triggerWordLength))
{
startPos = caretOffset;
triggerWordLength = 0;
}
completionData = cce.GetCompletionData(startPos, true);
completionData = completionData.Concat(cce.GetImportCompletionData(startPos));
}
else
{
startPos = caretOffset;
if (char.IsLetterOrDigit(completionChar) || completionChar == '_')
{
if (!CodeCompletionOptions.CompleteWhenTyping)
{
return(false);
}
if (startPos > 1 && char.IsLetterOrDigit(completionContext.Document.GetCharAt(startPos - 2)))
{
return(false);
}
completionData = cce.GetCompletionData(startPos, false);
startPos--;
triggerWordLength = 1;
}
else
{
completionData = cce.GetCompletionData(startPos, false);
triggerWordLength = 0;
}
}
DefaultCompletionItemList list = new DefaultCompletionItemList();
list.Items.AddRange(FilterAndAddTemplates(editor, completionData.Cast <ICompletionItem>().ToList()));
if (list.Items.Count > 0 && (ctrlSpace || cce.AutoCompleteEmptyMatch))
{
list.SortItems();
list.PreselectionLength = caretOffset - startPos;
list.PostselectionLength = Math.Max(0, startPos + triggerWordLength - caretOffset);
list.SuggestedItem = list.Items.FirstOrDefault(i => i.Text == cce.DefaultCompletionString);
editor.ShowCompletionWindow(list);
return(true);
}
if (CodeCompletionOptions.InsightEnabled && !ctrlSpace)
{
// Method Insight
var pce = new AlParameterCompletionEngine(
completionContext.Document,
completionContext.CompletionContextProvider,
completionFactory,
completionContext.ProjectContent,
completionContext.TypeResolveContextAtCaret
);
var newInsight = pce.GetParameterDataProvider(caretOffset, completionChar) as AlMethodInsight;
if (newInsight != null && newInsight.items.Count > 0)
{
newInsight.UpdateHighlightedParameter(pce);
newInsight.Show();
return(true);
}
}
return(false);
}