public IList <string> GetSuggestionStrings(string input, AutoSuggestionsMatchMode mode, string separators)
{
var strings = new List <string>();
CollectSuggestions(input, mode, separators, null, strings);
return(strings);
}
public IList GetSuggestions(string input, AutoSuggestionsMatchMode mode, string separators)
{
var suggestions = new List <object>();
CollectSuggestions(input, mode, separators, suggestions, null);
return(suggestions);
}
public virtual string Match(string input, object item, AutoSuggestionsMatchMode mode, char[] separators)
{
if (item == null)
{
return(null);
}
var text = DisplayText(item);
if (String.IsNullOrEmpty(input))
{
return(text);
}
if ((mode & AutoSuggestionsMatchMode.IgnoreCase) != 0)
{
text = text.ToLower();
input = input.ToLower();
}
bool match;
var matching = mode & (AutoSuggestionsMatchMode.MatchStart | AutoSuggestionsMatchMode.MatchWords | AutoSuggestionsMatchMode.Substrings);
switch (matching)
{
default:
//case AutoSuggestionsMatchMode.Default:
match = text.Contains(input);
break;
case AutoSuggestionsMatchMode.MatchStart:
match = text.StartsWith(input);
break;
case AutoSuggestionsMatchMode.MatchWords:
case AutoSuggestionsMatchMode.Substrings:
var subs = input.Split(separators);
var words = (matching == AutoSuggestionsMatchMode.MatchWords) ? text.Split(separators) : null;
match = true;
foreach (var sub in subs)
{
if (String.IsNullOrEmpty(sub))
{
continue;
}
if (!ContainsSub(sub, text, words))
{
match = false;
break;
}
}
break;
}
return(match ? text : null);
}
public virtual bool ExactMatch(string input, object item, AutoSuggestionsMatchMode mode)
{
if (item == null || String.IsNullOrEmpty(input))
{
return(false);
}
var text = DisplayText(item);
if ((mode & AutoSuggestionsMatchMode.IgnoreCase) != 0)
{
text = text.ToLower();
input = input.ToLower();
}
return(input == text);
}
protected override void CollectSuggestions(string input, AutoSuggestionsMatchMode mode, string separators, IList suggestions, IList <string> strings)
{
if (SuggestionSource == null)
{
return;
}
foreach (var item in SuggestionSource)
{
var text = Match(input, item, mode, separators.ToCharArray());
if (text != null)
{
if (suggestions != null)
{
suggestions.Add(item);
}
if (strings != null)
{
strings.Add(text);
}
}
}
}
protected abstract void CollectSuggestions(string input, AutoSuggestionsMatchMode mode, string separators, IList suggestions, IList <string> strings);
