![[DEVEXPRESS] Search and Custom Highlight Text in Winform C#](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhX8NfWZB7DIpLW-G-0Qzm4ex9wL4ecbE8NLdvPaKkc9JHiwNX1v0CimzjIW6ezZQwTisC1RefA5bF4PK_CzFTu34U9Dp_Hp63J_7JeIQn9ZOqHDWFBGrKglv6sRu6CPK5C333_IvCw83BuLMznaZWLk48vKfWjY6OQM5LnOJmOlYd8psMx1Se9VPUFt4Q/s705/%5BDEVEXPRESS%5D%20Search%20and%20Custom%20Highlight%20Text%20in%20Winform%20C%23.png "[DEVEXPRESS] Search and Custom Highlight Text in Winform C#")
Devexpress Winform C#.[DEVEXPRESS] Tìm kiếm không dấu tô màu highlight có dấu trên C# Winform
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FULL SOURCE CODE CSHARP:
using DevExpress.XtraEditors.Controls;
using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System.Windows.Forms;
using System.Text.RegularExpressions;
using System.Diagnostics;
using System.Globalization;
using DevExpress.Utils.Paint;
using DevExpress.XtraGrid.Views.Base;
using DevExpress.Utils.Html.Internal;
using DevExpress.XtraPrinting.Native;
using DevExpress.XtraPrinting;
using DevExpress.XtraEditors;
using static System.Windows.Forms.VisualStyles.VisualStyleElement;
namespace SearchHighLightNoneVietnamese
{
public partial class Form1 : DevExpress.XtraEditors.XtraForm
{
private List<DVHC> listDVHC = new List<DVHC>();
public Color foreColorHighLight = Color.White;
public Color backgroundColorHighLight = Color.YellowGreen;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
colorBackground.Color = backgroundColorHighLight;
colorForeground.Color = foreColorHighLight;
}
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
var jsonRawData = File.ReadAllText("data.json");
listDVHC = JsonConvert.DeserializeObject<List<DVHC>>(jsonRawData);
cb_diadiem.Properties.DataSource = listDVHC;
cb_diadiem.AutoSuggest += repositoryItemGridLookUpEdit1_AutoSuggest;
gridLookUpEdit1View.CustomDrawCell += cbDiadiem_CustomDrawCell;
cb_diadiem.Properties.ValueMember = "maxa";
cb_diadiem.Properties.DisplayMember = "diadiem";
cb_diadiem.Properties.PopupFormSize = new System.Drawing.Size(cb_diadiem.Width, 300);
cb_diadiem.BeforePopup += Cb_diadiem_BeforePopup;
cb_diadiem.Popup += Cb_diadiem_Popup;
LoadTinhThanh();
LoadQuanHuyen();
LoadPhuongXa();
this.KeyPreview = true;
this.KeyDown += Form1_KeyDown;
}
private void Cb_diadiem_Popup(object sender, EventArgs e)
{
gridLookUpEdit1View.CustomDrawCell += cbDiadiem_CustomDrawCell;
}
private void Cb_diadiem_BeforePopup(object sender, EventArgs e)
{
gridLookUpEdit1View.CustomDrawCell -= cbDiadiem_CustomDrawCell;
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
if (e.Control && e.KeyCode == Keys.K)
{
cb_diadiem.Focus();
cb_diadiem.SelectAll();
}
}
public void LoadTinhThanh() {
var dataTinhThanh = listDVHC.Select(x => new { matinh = x.matinh, tentinh = x.tentinh }).Distinct().ToList();
cb_tinhthanh.Properties.DataSource = dataTinhThanh;
cb_tinhthanh.Properties.ValueMember = "matinh";
cb_tinhthanh.Properties.DisplayMember = "tentinh";
}
public void LoadQuanHuyen()
{
var dataQuanHuyen = listDVHC.Select(x => new { mahuyen = x.mahuyen, tenhuyen = x.tenhuyen }).Distinct().ToList();
cb_quanhuyen.Properties.DataSource = dataQuanHuyen;
cb_quanhuyen.Properties.ValueMember = "mahuyen";
cb_quanhuyen.Properties.DisplayMember = "tenhuyen";
}
public void LoadPhuongXa()
{
var dataPhuongXa = listDVHC.Select(x => new { maxa = x.maxa, tenxa = x.tenxa }).Distinct().ToList();
cb_phuongxa.Properties.DataSource = dataPhuongXa;
cb_phuongxa.Properties.ValueMember = "maxa";
cb_phuongxa.Properties.DisplayMember = "tenxa";
}
private void cbDiadiem_CustomDrawCell(object sender, RowCellCustomDrawEventArgs e)
{
XPaint paint = new XPaint();
MultiColorDrawStringParams drawParams = new MultiColorDrawStringParams(e.Appearance);
var searchText = cb_diadiem.Text;
if (e.DisplayText.Length < searchText.Length)
return;
drawParams.Bounds = e.Bounds;
drawParams.Text = e.DisplayText;
string tmpStr = e.DisplayText;
var searchIndexesListOrigin = getListIndexMatch(e.DisplayText, searchText);
if (searchIndexesListOrigin.Count == 0) return;
var searchIndexesList = searchIndexesListOrigin.OrderBy(x => x.Item2).ToList();
if (searchIndexesList.Count() > 0)
{
drawParams.Ranges = new CharacterRangeWithFormat[searchIndexesList.Count() * 2 + 1];
int currentStrIndex = 0;
int i = 0;
while (i < searchIndexesList.Count())
{
drawParams.Ranges[i * 2] = new CharacterRangeWithFormat(currentStrIndex, searchIndexesList[i].Item2 - currentStrIndex, e.Appearance.ForeColor, e.Appearance.BackColor);
drawParams.Ranges[i * 2 + 1] = new CharacterRangeWithFormat(searchIndexesList[i].Item2, searchIndexesList[i].Item3 - searchIndexesList[i].Item2, foreColorHighLight, backgroundColorHighLight);
currentStrIndex = searchIndexesList[i].Item3;
i++;
}
drawParams.Ranges[i * 2] = new CharacterRangeWithFormat(currentStrIndex, e.DisplayText.Length - currentStrIndex, e.Appearance.ForeColor, e.Appearance.BackColor);
drawParams.Ranges = drawParams.Ranges.Where(val => val.Length != 0).ToArray();
}
paint.MultiColorDrawString(new DevExpress.Utils.Drawing.GraphicsCache(e.Graphics), drawParams);
e.Handled = true;
}
public int AccentInsensitiveIndexOf(string source, string subStr)
{
// return CultureInfo.InvariantCulture.CompareInfo.IndexOf(source, subStr, CompareOptions.IgnoreCase | CompareOptions.IgnoreSymbols | CompareOptions.IgnoreNonSpace);
var keyword = BoDauTiengViet(subStr);
//Regex.Match(source, $@"\W{keyword}\W").Index;
var match = Regex.Match(source, $@"\b{keyword}\b");
int index = match.Success ? match.Index : -1;
return index;
}
public List<(string, int, int)> getListIndexMatch(string source, string subStr)
{
var listdata = new List<(string, int, int)>();
string[] stringSeparators = new string[] { " " };
var sourceArr = source.Split(stringSeparators, StringSplitOptions.RemoveEmptyEntries);
var arrKeywork = subStr.Split(stringSeparators, StringSplitOptions.RemoveEmptyEntries);
foreach (string keyword in arrKeywork)
{
var start = AccentInsensitiveIndexOf(BoDauTiengViet( source), keyword);
var end = start + keyword.Length;
var item = (keyword, start, end);
if(start >= 0)
{
bool isStartBoundary = (start == 0) || char.IsWhiteSpace(source[start - 1]);
bool isEndBoundary = (end == source.Length) || char.IsWhiteSpace(source[end]);
// var stringMatch = source.Substring(start, keyword.Length);
// var isWordMatch = keyword == BoDauTiengViet(stringMatch);
// if (isWordMatch)
// if (isStartBoundary || isEndBoundary) {
listdata.Add(item);
//}
}
}
return listdata;
}
public Task<ICollection> QueryAsync(string keywords, CancellationToken cancellation)
{
return Task.Run(() =>
{
if (!string.IsNullOrEmpty(keywords))
{
return FilterDVHCByKeyWords(listDVHC, keywords) as ICollection;
}
else
{
return listDVHC as ICollection;
}
});
}
private void repositoryItemGridLookUpEdit1_AutoSuggest(object sender, LookUpEditAutoSuggestEventArgs e)
{
e.SetMinimumAnimationDuration(TimeSpan.FromMilliseconds(100));
e.QuerySuggestions = QueryAsync(e.Text, e.CancellationToken);
}
public List<DVHC> FilterDVHCByKeyWords(List<DVHC> data, string keyworks) {
string[] pattern_split = new string[] { " " };
string[] arr_keywords = keyworks.Split(pattern_split, StringSplitOptions.RemoveEmptyEntries);
var cleanedKeywords = arr_keywords.Select(k => BoDauTiengViet(k));
var regexPattern = string.Join(".*", cleanedKeywords.Select(Regex.Escape));
var regex = new Regex(regexPattern, RegexOptions.IgnoreCase);
return data.Where(item => regex.IsMatch(BoDauTiengViet(item.diadiem))).ToList();
}
public string BoDauTiengViet(string str)
{
str = str.ToLower().Trim();
str = Regex.Replace(str, "[àáạảãâầấậẩẫăằắặẳẵ]", "a");
str = Regex.Replace(str, "[èéẹẻẽêềếệểễ]", "e");
str = Regex.Replace(str, "[ìíịỉĩ]", "i");
str = Regex.Replace(str, "[òóọỏõôồốộổỗơờớợởỡ]", "o");
str = Regex.Replace(str, "[ùúụủũưừứựửữ]", "u");
str = Regex.Replace(str, "[ỳýỵỷỹ]", "y");
str = Regex.Replace(str, "đ", "d");
// str = Regex.Replace(str, " ", "-");
str = str.Replace(",", " ");
str = str.Replace(".", " ");
return str;
}
private void colorForeground_EditValueChanged(object sender, EventArgs e)
{
foreColorHighLight = colorForeground.Color;
}
private void colorBackground_EditValueChanged(object sender, EventArgs e)
{
backgroundColorHighLight = colorBackground.Color;
}
private void cb_diadiem_EditValueChanged(object sender, EventArgs e)
{
if (cb_diadiem.EditValue != null) {
var selectedRow = cb_diadiem.GetSelectedDataRow() as DVHC;
cb_tinhthanh.EditValue = selectedRow.matinh;
cb_quanhuyen.EditValue = selectedRow.mahuyen;
cb_phuongxa.EditValue = selectedRow.maxa;
}
}
}
public class DVHC {
public string diadiem { get; set; }
public string maxa { get; set; }
public string tenxa { get; set; }
public string mahuyen { get; set; }
public string tenhuyen { get; set; }
public string matinh { get; set; }
public string tentinh { get; set; }
}
}
Chúc mọi người thành công với thủ thuật trên.