public static Deferred <T> AutoComplete <T>(this Scintilla editor, int length, bool cancel, IDictionary <string, T> data, bool allItem = true)
{
_autoCompleteTimer?.Stop();
var defer = new Deferred <T>();
if (data.Count == 0)
{
editor.AutoCCancel();
defer.Reject();
return(defer);
}
_autoCompleteTimer = Redux.Timer.Timeout(100, () =>
{
editor.SafeInvoke(delegate
{
var items = data.Keys.Take(MaxAutoCompleteItems).OrderBy(x => x.StartsWith("@") ? "\0" : x).ToArray();
var list = (data.Count <= 20 && allItem && !cancel ? "<All>" + AutoCompleteSeprator : string.Empty) + string.Join(AutoCompleteSeprator.ToString(), items);
editor.AutoCShow(length, list);
_autoCompleteDeferred = new Deferred <string>();
_autoCompleteDeferred.Then(x =>
{
if (x == "<All>" && allItem && !cancel)
{
editor.AutoCCancel();
editor.AddText(string.Join(",", items.Take(20)));
return;
}
if (data.TryGetValue(x, out T d))
{
defer.Resolve(d);
}
if (cancel)
{
editor.AutoCCancel();
}
})
.Fail(x =>
{
defer.Reject(x);
});
});
private void ShowAutocomplete(Scintilla scintilla, bool all)
{
// Find the word start
string word = scintilla.GetWordFromPosition(scintilla.CurrentPosition)?.Trim();
if (string.IsNullOrWhiteSpace(word) && !all)
{
scintilla.AutoCCancel();
return;
}
var list = Items.Distinct()
.Where(s => !string.IsNullOrWhiteSpace(s) && s.Contains(word, StringComparison.CurrentCultureIgnoreCase))
.OrderBy(a => a);
if (!list.Any())
{
scintilla.AutoCCancel();
return;
}
// Display the autocompletion list
scintilla.AutoCShow(word.Length, string.Join(Separator, list.Select(FormatForAutocomplete)));
}
//mxd. Autocompletion handling (https://github.com/jacobslusser/ScintillaNET/wiki/Basic-Autocompletion)
public virtual bool ShowAutoCompletionList()
{
int currentpos = scriptedit.CurrentPosition;
int wordstartpos = scriptedit.WordStartPosition(currentpos, true);
if (wordstartpos >= currentpos)
{
// Hide the list
scriptedit.AutoCCancel();
return(false);
}
// Get entered text
string start = scriptedit.GetTextRange(wordstartpos, currentpos - wordstartpos);
if (string.IsNullOrEmpty(start))
{
// Hide the list
scriptedit.AutoCCancel();
return(false);
}
// Don't show Auto-completion list when editing comment, include or string
switch (scriptcontrol.GetScriptStyle(scriptedit.GetStyleAt(currentpos)))
{
case ScriptStyleType.Comment:
case ScriptStyleType.String:
// Hide the list
scriptedit.AutoCCancel();
return(false);
case ScriptStyleType.Include:
// Hide the list unless current word is a keyword
if (!start.StartsWith("#"))
{
scriptedit.AutoCCancel();
return(false);
}
break;
}
// Filter the list
List <string> filtered = new List <string>();
foreach (string s in autocompletelist)
{
if (s.IndexOf(start, StringComparison.OrdinalIgnoreCase) != -1)
{
filtered.Add(s);
}
}
// Any matches?
if (filtered.Count > 0)
{
// Show the list
scriptedit.AutoCShow(currentpos - wordstartpos, string.Join(" ", filtered.ToArray()));
return(true);
}
// Hide the list
scriptedit.AutoCCancel();
return(false);
}
