■ ComboBox 클래스에서 우선 순위 필터 콤보 박스를 사용하는 방법을 보여준다.
▶ IAttribute.cs
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namespace TestProject { /// <summary> /// 어트리뷰트 인터페이스 /// </summary> /// <typeparam name="T">타입</typeparam> public interface IAttribute<T> { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 - Value /// <summary> /// 값 /// </summary> T Value { get; } #endregion } } |
▶ DescriptionAttribute.cs
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using System; namespace TestProject { /// <summary> /// 설명 어트리뷰트 /// </summary> public class DescriptionAttribute : Attribute, IAttribute<string> { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 설명 /// </summary> private readonly string description; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 - Value /// <summary> /// 값 /// </summary> public string Value { get { return this.description; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DescriptionAttribute(description) /// <summary> /// 생성자 /// </summary> /// <param name="description">설명</param> public DescriptionAttribute(string description) { this.description = description; } #endregion } } |
▶ IconURIAttribute.cs
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using System; namespace TestProject { /// <summary> /// 아이콘 URI 어트리뷰트 /// </summary> public class IconURIAttribute : Attribute, IAttribute<string> { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 아이콘 URI /// </summary> private readonly string iconURI; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 - Value /// <summary> /// 값 /// </summary> public string Value { get { return this.iconURI; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - IconURIAttribute(iconURI) /// <summary> /// 생성자 /// </summary> /// <param name="iconURI">아이콘 URI</param> public IconURIAttribute(string iconURI) { this.iconURI = iconURI; } #endregion } } |
▶ PriorityLevelAttribute.cs
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using System; namespace TestProject { /// <summary> /// 우선 순위 레벨 어트리뷰트 /// </summary> public class PriorityLevelAttribute : Attribute, IAttribute<int> { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 우선 순위 레벨 /// </summary> private readonly int priorityLevel; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 - Value /// <summary> /// 값 /// </summary> public int Value { get { return this.priorityLevel; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - PriorityLevelAttribute(priorityLevel) /// <summary> /// 생성자 /// </summary> /// <param name="priorityLevel">우선 순위 레벨</param> public PriorityLevelAttribute(int priorityLevel) { this.priorityLevel = priorityLevel; } #endregion } } |
▶ EnumerationExtension.cs
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using System; using System.Reflection; namespace TestProject.Extension { /// <summary> /// 열거형 확장 /// </summary> public static class EnumerationExtension { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 어트리뷰트 값 구하기 - GetAttributeValue<TAttribute, TAttributeValue>(value) /// <summary> /// 어트리뷰트 값 구하기 /// </summary> /// <typeparam name="TAttribute">어트리뷰트 타입</typeparam> /// <typeparam name="TAttributeValue">어트리뷰트 값 타입</typeparam> /// <param name="value">열거형 값</param> /// <returns>어트리뷰트 값</returns> public static TAttributeValue GetAttributeValue<TAttribute, TAttributeValue>(this Enum value) { TAttributeValue attributeValue = default(TAttributeValue); if(value != null) { FieldInfo fieldInfo = value.GetType().GetField(value.ToString()); if(fieldInfo != null) { TAttribute[] attributeArray = fieldInfo.GetCustomAttributes(typeof(TAttribute), false) as TAttribute[]; if(attributeArray != null && attributeArray.Length > 0) { IAttribute<TAttributeValue> attribute = attributeArray[0] as IAttribute<TAttributeValue>; if(attribute != null) { attributeValue = attribute.Value; } } } } return attributeValue; } #endregion } } |
▶ AutoFilterColumn.cs
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using System.Collections; using System.ComponentModel; namespace TestProject { /// <summary> /// 자동 필터 컬럼 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> public class AutoFilterColumn<TItem> : INotifyPropertyChanged { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 속성 변경시 이벤트 - PropertyChanged /// <summary> /// 속성 변경시 이벤트 /// </summary> public event PropertyChangedEventHandler PropertyChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 값 /// </summary> private object value; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 부모 - Parent /// <summary> /// 부모 /// </summary> public AutoFilterCollection<TItem> Parent { get; set; } #endregion #region 명칭 - Name /// <summary> /// 명칭 /// </summary> public string Name { get; set; } #endregion #region 레벨 - Level /// <summary> /// 레벨 /// </summary> public int? Level { get; set; } #endregion #region 값 - Value /// <summary> /// 값 /// </summary> public object Value { get { return this.value; } set { if(this.value == value) { return; } this.value = value; Parent.NotifyAll(); } } #endregion #region 중복 제거 값 열거 가능형 - DistinctValueEnumerable /// <summary> /// 중복 제거 값 열거 가능형 /// </summary> public IEnumerable DistinctValueEnumerable { get { IEnumerable enumerable = Parent.GetValueEnumerableForFilter(Name); return enumerable; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Internal #region 통지하기 - Notify() /// <summary> /// 통지하기 /// </summary> internal void Notify() { FirePropertyChangedEvent("DistinctValueEnumerable"); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName) /// <summary> /// 속성 변경시 이벤트 발생시키기 /// </summary> /// <param name="propertyName">속성명</param> protected void FirePropertyChangedEvent(string propertyName) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } #endregion } } |
▶ AutoFilterCollection.cs
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using System; using System.Collections; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Reflection; namespace TestProject { /// <summary> /// 자동 필터 컬렉션 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> public class AutoFilterCollection<TItem> : INotifyPropertyChanged { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 속성 변경시 이벤트 - PropertyChanged /// <summary> /// 속성 변경시 이벤트 /// </summary> public event PropertyChangedEventHandler PropertyChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 소스 열거 가능형 /// </summary> private IEnumerable<TItem> sourceEnumerable; /// <summary> /// 자동 필터 컬럼 리스트 /// </summary> private readonly List<AutoFilterColumn<TItem>> autoFilterColumnList = new List<AutoFilterColumn<TItem>>(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 소스 열거 가능형 - SourceEnumerable /// <summary> /// 소스 열거 가능형 /// </summary> public IEnumerable<TItem> SourceEnumerable { get { return this.sourceEnumerable; } set { if(this.sourceEnumerable != value) { this.sourceEnumerable = value; Calculate(); } } } #endregion #region 자동 필터 컬럼 리스트 - AutoFilterColumnList /// <summary> /// 자동 필터 컬럼 리스트 /// </summary> public List<AutoFilterColumn<TItem>> AutoFilterColumnList { get { return this.autoFilterColumnList; } } #endregion #region 필터 열거 가능형 - FilteredEnumerable /// <summary> /// 필터 열거 가능형 /// </summary> public IEnumerable<TItem> FilteredEnumerable { get { IEnumerable<TItem> resultEnumerable = SourceEnumerable; foreach(AutoFilterColumn<TItem> autoFilterColumn in AutoFilterColumnList) { if(autoFilterColumn.Value == null || autoFilterColumn.Value.Equals("All")) { continue; } PropertyInfo propertyInfo = typeof(TItem).GetProperty(autoFilterColumn.Name); resultEnumerable = resultEnumerable.Where(x => propertyInfo.GetValue(x, null).Equals(autoFilterColumn.Value)); } return resultEnumerable; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Internal #region 모두 통지하기 - NotifyAll() /// <summary> /// 모두 통지하기 /// </summary> internal void NotifyAll() { foreach(AutoFilterColumn<TItem> autoFilterColumn in AutoFilterColumnList) { autoFilterColumn.Notify(); } FirePropertyChangedEvent("FilteredEnumerable"); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Public #region 필터용 값 열거 가능형 구하기 - GetValueEnumerableForFilter(columnName) /// <summary> /// 필터용 값 열거 가능형 구하기 /// </summary> /// <param name="columnName">컬럼명</param> /// <returns>필터용 값 열거 가능형</returns> public IEnumerable GetValueEnumerableForFilter(string columnName) { IEnumerable<TItem> resultEnumerable = SourceEnumerable; foreach(AutoFilterColumn<TItem> autoFilterColumn in AutoFilterColumnList) { if(autoFilterColumn.Name == columnName) { continue; } if(autoFilterColumn.Value == null || autoFilterColumn.Value.Equals("All")) { continue; } PropertyInfo autoFilterColumnPropertyInfo = typeof(TItem).GetProperty(autoFilterColumn.Name); if(autoFilterColumn.Level == null || AutoFilterColumnList.FirstOrDefault(x => x.Name == columnName).Level >= autoFilterColumn.Level) { resultEnumerable = resultEnumerable.Where(x => autoFilterColumnPropertyInfo.GetValue(x, null).Equals(autoFilterColumn.Value)); } } PropertyInfo propertyInfo = typeof(TItem).GetProperty(columnName); List<object> propertyValueList = resultEnumerable.Select(x => propertyInfo.GetValue(x, null)).Concat(new List<object>()).ToList(); propertyValueList.Sort(); return propertyValueList.Distinct(); } #endregion #region 자동 필터 컬럼 구하기 - GetAutoFilterColumn(columnName) /// <summary> /// 자동 필터 컬럼 구하기 /// </summary> /// <param name="columnName">컬럼명</param> /// <returns>자동 필터 컬럼</returns> public AutoFilterColumn<TItem> GetAutoFilterColumn(string columnName) { return AutoFilterColumnList.SingleOrDefault(x => x.Name == columnName); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName) /// <summary> /// 속성 변경시 이벤트 발생시키기 /// </summary> /// <param name="propertyName">속성명</param> protected void FirePropertyChangedEvent(string propertyName) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 계산하기 - Calculate() /// <summary> /// 계산하기 /// </summary> private void Calculate() { PropertyInfo[] propertyInfoArray = typeof(TItem).GetProperties(BindingFlags.Instance | BindingFlags.Public); foreach(PropertyInfo propertyInfo in propertyInfoArray) { int? priorityLevel = null; object[] attributeArray = propertyInfo.GetCustomAttributes(typeof(Attribute), true); if(attributeArray != null && attributeArray.Length > 0) { PriorityLevelAttribute priorityLevelAttribute = attributeArray[0] as PriorityLevelAttribute; if(priorityLevelAttribute != null) { priorityLevel = priorityLevelAttribute.Value; } } AutoFilterColumnList.Add ( new AutoFilterColumn<TItem> { Parent = this, Level = priorityLevel, Name = propertyInfo.Name, Value = null } ); } } #endregion } } |
▶ League.cs
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namespace TestProject { /// <summary> /// 리그 /// </summary> public enum League { /// <summary> /// 아르헨티나 프리메라 디비전 /// </summary> [IconURI("pack://application:,,,/TestProject;component/IMAGE/Argentina.png")] [Description("아르헨티나 프리메라 디비전")] PrimeraDivision = 1, /// <summary> /// 영국 프리미어 리그 /// </summary> [IconURI("pack://application:,,,/TestProject;component/IMAGE/England.png")] [Description("영국 프리미어 리그")] PremierLeague = 2, /// <summary> /// 스페인 라 리가 /// </summary> [IconURI("pack://application:,,,/TestProject;component/IMAGE/Spain.png")] [Description("스페인 라 리가")] LaLiga = 3 } } |
▶ Football.cs
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namespace TestProject { /// <summary> /// 축구 /// </summary> public class Football { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 리그 - League /// <summary> /// 리그 /// </summary> [PriorityLevel(1)] public League League { get; set; } #endregion #region 팀 - Team /// <summary> /// 팀 /// </summary> [PriorityLevel(2)] public string Team { get; set; } #endregion #region 선수 수 - PlayerCount /// <summary> /// 선수 수 /// </summary> public int PlayerCount { get; set; } #endregion #region 선수명 - PlayerName /// <summary> /// 선수명 /// </summary> public string PlayerName { get; set; } #endregion #region 선수 - Player /// <summary> /// 선수 /// </summary> [PriorityLevel(3)] public string Player { get { return string.Format("{0} - {1}", PlayerCount, PlayerName); } } #endregion } } |
▶ FootballCollection.cs
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using System.Collections.Generic; namespace TestProject { /// <summary> /// 축구 컬렉션 /// </summary> public class FootballCollection : List<Football> { } } |
▶ FootballAutoFilterCollection.cs
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namespace TestProject { /// <summary> /// 축구 자동 필터 컬렉션 /// </summary> public class FootballAutoFilterCollection : AutoFilterCollection<Football> { } } |
▶ DataHelper.cs
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namespace TestProject { /// <summary> /// 데이터 헬퍼 /// </summary> public class DataHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 축구 컬렉션 구하기 - GetFootballCollection() /// <summary> /// 축구 컬렉션 구하기 /// </summary> /// <returns>축구 컬렉션</returns> public static FootballCollection GetFootballCollection() { FootballCollection collection = new FootballCollection { new Football { League = League.PremierLeague, Team = "Manchester United", PlayerCount = 9, PlayerName = "Cristiano Ronaldo" }, new Football { League = League.PremierLeague, Team = "Manchester United", PlayerCount = 18, PlayerName = "Mikael Silvestre" }, new Football { League = League.PremierLeague, Team = "Arsenal", PlayerCount = 18, PlayerName = "Mikael Silvestre" }, new Football { League = League.LaLiga, Team = "Real Madrid", PlayerCount = 9, PlayerName = "Cristiano Ronaldo" }, new Football { League = League.LaLiga, Team = "Real Madrid", PlayerCount = 20, PlayerName = "Gonzalo Higuain" }, new Football { League = League.LaLiga, Team = "Racing", PlayerCount = 24, PlayerName = "Luis Garcia" }, new Football { League = League.PrimeraDivision, Team = "Arsenal", PlayerCount = 6, PlayerName = "Anibal Matellan" }, new Football { League = League.PrimeraDivision, Team = "Racing", PlayerCount = 16, PlayerName = "Pablo Caballero" }, new Football { League = League.PrimeraDivision, Team = "River Plate", PlayerCount = 20, PlayerName = "Gonzalo Higuain" }, }; return collection; } #endregion } } |
▶ LeagueIconURIConverter.cs
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using System; using System.Globalization; using System.Windows.Data; using TestProject.Extension; namespace TestProject { /// <summary> /// 리그→아이콘 URI 변환자 /// </summary> public class LeagueIconURIConverter : IValueConverter { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 변환하기 - Convert(sourceValue, targetType, parameter, cultureInfo) /// <summary> /// 변환하기 /// </summary> /// <param name="sourceValue">소스 값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">문화 정보</param> /// <returns>변환 값</returns> public object Convert(object sourceValue, Type targetType, object parameter, CultureInfo cultureInfo) { if(sourceValue != null) { League league = sourceValue is League ? (League)sourceValue : League.PremierLeague; string leagueIconURI = league.GetAttributeValue<IconURIAttribute, string>(); return leagueIconURI; } return null; } #endregion #region 역변환하기 - ConvertBack(sourceValue, targetType, parameter, cultureInfo) /// <summary> /// 역변환하기 /// </summary> /// <param name="sourceValue">소스 값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">문화 정보</param> /// <returns>역변환 값</returns> public object ConvertBack(object sourceValue, Type targetType, object parameter, CultureInfo cultureInfo) { return null; } #endregion } } |
▶ LeagueNameConverter.cs
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using System; using System.Globalization; using System.Windows.Data; using TestProject.Extension; namespace TestProject { /// <summary> /// 리그→리그명 변환자 /// </summary> public class LeagueNameConverter : IValueConverter { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 변환하기 - Convert(sourceValue, targetType, parameter, cultureInfo) /// <summary> /// 변환하기 /// </summary> /// <param name="sourceValue">소스 값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">문화 정보</param> /// <returns>변환 값</returns> public object Convert(object sourceValue, Type targetType, object parameter, CultureInfo cultureInfo) { if(sourceValue != null) { League league = sourceValue is League ? (League) sourceValue : League.PremierLeague; string description = league.GetAttributeValue<DescriptionAttribute, string>(); return description; } return null; } #endregion #region 역변환하기 - ConvertBack(sourceValue, targetType, parameter, cultureInfo) /// <summary> /// 역변환하기 /// </summary> /// <param name="sourceValue">소스 값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">문화 정보</param> /// <returns>역변환 값</returns> public object ConvertBack(object sourceValue, Type targetType, object parameter, CultureInfo culture) { return null; } #endregion } } |
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:TestProject" Width="800" Height="600" Title="ComboBox 클래스 : 우선 순위 필터 콤보 박스 사용하기" FontFamily="나눔고딕코딩" FontSize="16"> <Window.Resources> <local:LeagueNameConverter x:Key="LeagueNameConverterKey" /> <local:LeagueIconURIConverter x:Key="LeagueIconURIConverterKey" /> </Window.Resources> <Grid HorizontalAlignment="Center" VerticalAlignment="Center"> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> <RowDefinition /> <RowDefinition /> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <Label Grid.Row="0" Content="리그" /> <ComboBox Grid.Row="1" Width="300" Height="25" DataContext="{Binding Path=LeagueColumn}" ItemsSource="{Binding DistinctValueEnumerable}" SelectedItem="{Binding Value}"> <ComboBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <Image Margin="4 0 4 0" Width="16" Height="16" Source="{Binding Converter={StaticResource LeagueIconURIConverterKey}}" /> <TextBlock Text="{Binding Converter={StaticResource LeagueNameConverterKey}}" /> </StackPanel> </DataTemplate> </ComboBox.ItemTemplate> </ComboBox> <Label Grid.Row="2" Margin="0 10 0 0" Content="팀" /> <ComboBox Grid.Row="3" Width="300" Height="25" DataContext="{Binding Path=TeamColumn}" ItemsSource="{Binding DistinctValueEnumerable}" SelectedItem="{Binding Value}" /> <Label Grid.Row="4" Margin="0 10 0 0" Content="선수" /> <ComboBox Grid.Row="5" Width="300" Height="25" DataContext="{Binding Path=PlayerColumn}" ItemsSource="{Binding DistinctValueEnumerable}" SelectedItem="{Binding Value}" /> </Grid> </Window> |
▶ MainWindow.xaml.cs
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namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 축구 자동 필터 컬렉션 /// </summary> private readonly FootballAutoFilterCollection footballAutoFilterCollection = new FootballAutoFilterCollection(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 리그 컬럼 - LeagueColumn /// <summary> /// 리그 컬럼 /// </summary> public AutoFilterColumn<Football> LeagueColumn { get { return this.footballAutoFilterCollection.AutoFilterColumnList[0]; } } #endregion #region 팀 컬럼 - TeamColumn /// <summary> /// 팀 컬럼 /// </summary> public AutoFilterColumn<Football> TeamColumn { get { return this.footballAutoFilterCollection.AutoFilterColumnList[1]; } } #endregion #region 선수 컬럼 - PlayerColumn /// <summary> /// 선수 컬럼 /// </summary> public AutoFilterColumn<Football> PlayerColumn { get { return this.footballAutoFilterCollection.AutoFilterColumnList[4]; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.footballAutoFilterCollection.SourceEnumerable = DataHelper.GetFootballCollection(); DataContext = this; } #endregion } } |
