protected override List <object> _Filter(List <object> _unfilteredData, string _displayMember, string userInput)
{
int count = userInput.Length - 1;
List <object> results = new List <object>();
string userLetters = userInput.ToLower();
foreach (var obj in _unfilteredData)
{
var itemLetters = GetFilterString(obj, _displayMember).ToLower();
if (count < itemLetters.Length)
{
char currentLetter = itemLetters[count];
//Match isch = Regex.Match(currentLetter.ToString(), @"[\u4e00-\u9fa5]");
// 如果是中文
if (CharUtil.IsChineseLetter(currentLetter))
{
// (首字母)
// c = zhong
// 注： pinyin 有多种发音的，每一种都可以
List <string> pinyins = PinyinUtil.Chinese2Pinyin(currentLetter);
foreach (var pinyin in pinyins)
{
if (pinyin.ToLower()[0] == userLetters[count])
{
results.Add(obj);
// 找到匹配的了
break;
}
}
continue;
}
}
}
return(results);
}
protected override List <object> _Filter(List <object> _unfilteredData, string _displayMember, string userInput)
{
int last = userInput.Length - 1;
List <object> results = new List <object>();
userInput = userInput.ToLower();
foreach (var obj in _unfilteredData)
{
var itemLetters = GetFilterString(obj, _displayMember).ToLower();
// 一个一个字符比较
// e.g. : itemLetters = zz荣智 userInput = zzrongz
int ptr_user = 0;
bool isInputMatch = true;
for (int ptr_sc = 0; ptr_sc < itemLetters.Count(); ptr_sc++)
{
//if (CharUtil.IsEnglishLetter(itemLetters[ptr_sc]) && userInput[ptr_sc] == itemLetters[ptr_sc])
//{
// ptr_user++;
// continue;
//}
if (ptr_user > last)
{
break;
}
if (CharUtil.IsChineseLetter(itemLetters[ptr_sc]))
{
List <string> pinyins = PinyinUtil.Chinese2Pinyin(itemLetters[ptr_sc]);
bool anyPinyinMatch = false;
foreach (var pinyin in pinyins)
{
int sub = pinyin.Length < userInput.Length - ptr_user ? pinyin.Length : userInput.Length - ptr_user;
if (pinyin.Substring(0, sub) == userInput.Substring(ptr_user, sub))
{
ptr_user += sub;
anyPinyinMatch = true;
break;
}
}
if (!anyPinyinMatch)
{
isInputMatch = false;
break;
}
}
else if (userInput[ptr_user] == itemLetters[ptr_sc])
{
ptr_user++;
continue;
}
else
{
isInputMatch = false;
ptr_user++;
break;
}
}
// 用户输入多余字符， 认为不匹配
if (ptr_user <= last)
{
isInputMatch = false;
}
if (isInputMatch)
{
results.Add(obj);
}
//char currentLetter = itemLetters[last];
////Match isch = Regex.Match(currentLetter.ToString(), @"[\u4e00-\u9fa5]");
//// 如果是中文
//if (CharUtil.IsChineseLetter(currentLetter))
//{
// // (首字母)
// // c = zhong
// // 注： pinyin 有多种发音的，每一种都可以
// List<string> pinyins = PinyinUtil.Chinese2Pinyin(currentLetter);
// foreach (var pinyin in pinyins)
// {
// if (pinyin.ToLower()[0] == userLetters[last])
// {
// results.Add(obj);
// // 找到匹配的了
// break;
// }
// }
// continue;
//}
}
return(results);
}