public override async Task <TextChange?> GetTextChangeAsync(Document document, CompletionItem selectedItem, char?ch, CancellationToken cancellationToken)
{
string insertionText;
if (ch == null)
{
insertionText = SymbolCompletionItem.GetInsertionText(selectedItem);
}
else
{
var position = SymbolCompletionItem.GetContextPosition(selectedItem);
var context = await this.CreateContext(document, position, cancellationToken).ConfigureAwait(false);
var symbols = await SymbolCompletionItem.GetSymbolsAsync(selectedItem, document, cancellationToken).ConfigureAwait(false);
if (symbols.Length > 0)
{
insertionText = GetInsertionText(symbols[0], context, ch.Value);
}
else
{
insertionText = selectedItem.DisplayText;
}
}
return(new TextChange(selectedItem.Span, insertionText));
}
public override Task <TextChange?> GetTextChangeAsync(
Document document,
CompletionItem selectedItem,
char?ch,
CancellationToken cancellationToken
)
{
var insertionText = SymbolCompletionItem.GetInsertionText(selectedItem);
return(Task.FromResult <TextChange?>(new TextChange(selectedItem.Span, insertionText)));
}
protected virtual string GetInsertionText(CompletionItem item, char ch)
{
return(SymbolCompletionItem.GetInsertionText(item));
}
/// <summary>
/// Override this if you want to provide customized insertion based on the character typed.
/// </summary>
private string GetInsertionText(CompletionItem item, char?ch)
{
return(ch == null
? SymbolCompletionItem.GetInsertionText(item)
: GetInsertionText(item, ch.Value));
}