[C#/WINUI3/.NET6] AutoSuggestBox 클래스 : QueryIcon 속성/QuerySubmitted 이벤트 사용하기
■ AutoSuggestBox 클래스의 QueryIcon 속성과 QuerySubmitted 이벤트를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8"?> <Page x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" FontFamily="나눔고딕코딩" FontSize="16"> <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center"> <AutoSuggestBox Name="autoSuggestBox" Width="300" PlaceholderText="Type cat name" QueryIcon="Find" /> <TextBlock Name="outputTextBlock" Margin="0 10 0 0" FontFamily="Global User Interface" /> </StackPanel> </Page> |
▶ MainPage.xaml.cs
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using System.Collections.Generic; using System.Linq; using Microsoft.UI.Xaml.Controls; namespace TestProject { /// <summary> /// 메인 페이지 /// </summary> public sealed partial class MainPage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 소스 리스트 /// </summary> private List<string> sourceList = new List<string>() { "Abyssinian", "Aegean", "American Bobtail", "American Curl", "American Ringtail", "American Shorthair", "American Wirehair", "Aphrodite Giant", "Arabian Mau", "Asian cat", "Asian Semi-longhair", "Australian Mist", "Balinese", "Bambino", "Bengal", "Birman", "Brazilian Shorthair", "British Longhair", "British Shorthair", "Burmese", "Burmilla", "California Spangled", "Chantilly-Tiffany", "Chartreux", "Chausie", "Colorpoint Shorthair", "Cornish Rex", "Cymric", "Cyprus", "Devon Rex", "Donskoy", "Dragon Li", "Dwelf", "Egyptian Mau", "European Shorthair", "Exotic Shorthair", "Foldex", "German Rex", "Havana Brown", "Highlander", "Himalayan", "Japanese Bobtail", "Javanese", "Kanaani", "Khao Manee", "Kinkalow", "Korat", "Korean Bobtail", "Korn Ja", "Kurilian Bobtail", "Lambkin", "LaPerm", "Lykoi", "Maine Coon", "Manx", "Mekong Bobtail", "Minskin", "Napoleon", "Munchkin", "Nebelung", "Norwegian Forest Cat", "Ocicat", "Ojos Azules", "Oregon Rex", "Persian (modern)", "Persian (traditional)", "Peterbald", "Pixie-bob", "Ragamuffin", "Ragdoll", "Raas", "Russian Blue", "Russian White", "Sam Sawet", "Savannah", "Scottish Fold", "Selkirk Rex", "Serengeti", "Serrade Petit", "Siamese", "Siberian or´Siberian Forest Cat", "Singapura", "Snowshoe", "Sokoke", "Somali", "Sphynx", "Suphalak", "Thai", "Thai Lilac", "Tonkinese", "Toyger", "Turkish Angora", "Turkish Van", "Turkish Vankedisi", "Ukrainian Levkoy", "Wila Krungthep", "York Chocolate" }; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); this.autoSuggestBox.TextChanged += autoSuggestBox_TextChanged; this.autoSuggestBox.QuerySubmitted += autoSuggestBox_QuerySubmitted; this.autoSuggestBox.SuggestionChosen += autoSuggestBox_SuggestionChosen; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 자동 제안 박스 텍스트 변경시 처리하기 - autoSuggestBox_TextChanged(sender, e) /// <summary> /// 자동 제안 박스 텍스트 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void autoSuggestBox_TextChanged(AutoSuggestBox sender, AutoSuggestBoxTextChangedEventArgs e) { if(e.Reason == AutoSuggestionBoxTextChangeReason.UserInput) { List<string> searchList = GetSearchList(sender.Text); if(searchList.Count > 0) { sender.ItemsSource = searchList; } else { sender.ItemsSource = new string[] { "No results found" }; } } } #endregion #region 자동 제안 박스 쿼리 제출시 처리하기 - autoSuggestBox_QuerySubmitted(sender, e) /// <summary> /// 자동 제안 박스 쿼리 제출시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void autoSuggestBox_QuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs e) { if(e.ChosenSuggestion != null && e.ChosenSuggestion is string) { Select(e.ChosenSuggestion as string); } else if(!string.IsNullOrEmpty(e.QueryText)) { List<string> searchList = GetSearchList(sender.Text); if(searchList.Count > 0) { Select(searchList.FirstOrDefault()); } } } #endregion #region 자동 제안 박스 제안 선택시 처리하기 - autoSuggestBox_SuggestionChosen(sender, e) /// <summary> /// 자동 제안 박스 제안 선택시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void autoSuggestBox_SuggestionChosen(AutoSuggestBox sender, AutoSuggestBoxSuggestionChosenEventArgs e) { this.outputTextBlock.Text = e.SelectedItem.ToString(); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 조회 리스트 구하기 - GetSearchList(text) /// <summary> /// 조회 리스트 구하기 /// </summary> /// <param name="text">텍스트</param> /// <returns>조회 리스트</returns> private List<string> GetSearchList(string text) { List<string> searchList = new List<string>(); if(string.IsNullOrWhiteSpace(text)) { return searchList; } string[] tokenArray = text.ToLower().Split(" "); foreach(string source in this.sourceList) { bool found = tokenArray.All ( (key) => { return source.ToLower().Contains(key); } ); if(found) { searchList.Add(source); } } return searchList; } #endregion #region 선택하기 - Select(name) /// <summary> /// 선택하기 /// </summary> /// <param name="name">명칭</param> private void Select(string name) { if(string.IsNullOrWhiteSpace(name)) { this.outputTextBlock.Text = name; } } #endregion } } |
TestProject.zip
