■ ITypedList 인터페이스를 사용해 TypedCollection<T>를 만드는 방법을 보여준다.
▶ 예제 코드 (C#)
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using System; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Class ////////////////////////////////////////////////////////////////////////////////////////// Private #region 임직원 - Employee /// <summary> /// 임직원 /// </summary> private class Employee { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 아이디 /// </summary> public string ID; /// <summary> /// 성명 /// </summary> public string Name; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.gridControl.DataSource = GetCollection(); // Employee 필드도 바인딩이 정상적으로 된다. } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 컬렉션 구하기 - GetCollection() /// <summary> /// 컬렉션 구하기 /// </summary> /// <returns>컬렉션</returns> private TypedCollection<Employee> GetCollection() { TypedCollection<Employee> collection = new TypedCollection<Employee>(); collection.Add(new Employee(){ ID = "A", Name = "홍길동" }); collection.Add(new Employee(){ ID = "B", Name = "강동구" }); collection.Add(new Employee(){ ID = "C", Name = "홍길숙" }); return collection; } #endregion } } |
※ this.gridControl은 그리드 컨트롤을 가정한다.
▶ TypedPropertyDescriptor.cs
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using System; using System.Collections.Generic; using System.ComponentModel; namespace TestProject { /// <summary> /// 타입 속성 설명자 /// </summary> /// <typeparam name="T">타입</typeparam> public class TypedPropertyDescriptor<T> : PropertyDescriptor { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// GetValue 함수 /// </summary> private Func<object, object> getValue; /// <summary> /// SetValue 액션 /// </summary> private Action<object, object> setValue; /// <summary> /// 타입 /// </summary> private Type type; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 컴포넌트 타입 - ComponentType /// <summary> /// 컴포넌트 타입 /// </summary> public override Type ComponentType { get { return typeof(TypedCollection<T>); } } #endregion #region 읽기 전용 여부 - IsReadOnly /// <summary> /// 읽기 전용 여부 /// </summary> public override bool IsReadOnly { get { return false; } } #endregion #region 속성 타입 - PropertyType /// <summary> /// 속성 타입 /// </summary> public override Type PropertyType { get { return this.type; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - TypedPropertyDescriptor(getValue, setValue, memberName, type) /// <summary> /// 생성자 /// </summary> /// <param name="getValue">GetValue 함수</param> /// <param name="setValue">SetValue 액션</param> /// <param name="memberName">멤버명</param> /// <param name="type">타입</param> public TypedPropertyDescriptor(Func<object, object> getValue, Action<object, object> setValue, string memberName, Type type) : base(memberName, null) { this.getValue = getValue; this.setValue = setValue; this.type = type; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 리셋 가능 여부 구하기 - CanResetValue(component) /// <summary> /// 값 리셋 가능 여부 구하기 /// </summary> /// <param name="component">컴포넌트</param> /// <returns>값 리셋 가능 여부</returns> public override bool CanResetValue(object component) { return false; } #endregion #region 값 구하기 - GetValue(component) /// <summary> /// 값 구하기 /// </summary> /// <param name="component">컴포넌트</param> /// <returns>값</returns> public override object GetValue(object component) { return this.getValue(component); } #endregion #region 값 리셋하기 - ResetValue(component) /// <summary> /// 값 리셋하기 /// </summary> /// <param name="component">컴포넌트</param> public override void ResetValue(object component) { this.setValue(component, null); } #endregion #region 값 설정하기 - SetValue(component, value) /// <summary> /// 값 설정하기 /// </summary> /// <param name="component">컴포넌트</param> /// <param name="value">값</param> public override void SetValue(object component, object value) { this.setValue(component, value); } #endregion #region 값 직렬화 여부구하기 - ShouldSerializeValue(component) /// <summary> /// 값 직렬화 여부 구하기 /// </summary> /// <param name="component">컴포넌트</param> /// <returns>값 직렬화 여부</returns> public override bool ShouldSerializeValue(object component) { return true; } #endregion } } |
▶ TypedCollection.cs
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using System; using System.Collections.ObjectModel; using System.ComponentModel; using System.Reflection; namespace TestProject { /// <summary> /// 타입 컬렉션 /// </summary> /// <typeparam name="T">타입</typeparam> [Serializable] public class TypedCollection<T> : ObservableCollection<T>, ITypedList { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 속성 설명자 컬렉션 /// </summary> private PropertyDescriptorCollection propertyDescriptorCollection = new PropertyDescriptorCollection(null); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 속성 설명자 컬렉션 - Properties /// <summary> /// 속성 설명자 컬렉션 /// </summary> public PropertyDescriptorCollection Properties { get { return this.propertyDescriptorCollection; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 아이템 속성들 구하기 - GetItemProperties(propertyDescriptorArray) /// <summary> /// 아이템 속성들 구하기 /// </summary> /// <param name="propertyDescriptorArray">속성 설명자 배열</param> /// <returns>속성 설명자 컬렉션</returns> public PropertyDescriptorCollection GetItemProperties(PropertyDescriptor[] propertyDescriptorArray) { if(propertyDescriptorArray != null && propertyDescriptorArray.Length > 0) { return System.Windows.Forms.ListBindingHelper.GetListItemProperties(propertyDescriptorArray[0].PropertyType); } else { return this.propertyDescriptorCollection; } } #endregion #region 리스트명 구하기 - GetListName(propertyDescriptorArray) /// <summary> /// 리스트명 구하기 /// </summary> /// <param name="propertyDescriptorArray">속성 설명자 배열</param> /// <returns>리스트명</returns> public string GetListName(PropertyDescriptor[] propertyDescriptorArray) { return this.ToString(); } #endregion #region 추가하기 - Add(item) /// <summary> /// 추가하기 /// </summary> /// <param name="item">아이템</param> public new void Add(T item) { if(base.Count == 0) { Type type = item.GetType(); if(this.propertyDescriptorCollection.Count == 0) { foreach(MemberInfo memberInfo in type.GetMembers()) { switch(memberInfo.MemberType) { case MemberTypes.Field : FieldInfo fieldInfo = memberInfo as FieldInfo; this.propertyDescriptorCollection.Add ( new TypedPropertyDescriptor<T> ( fieldInfo.GetValue, fieldInfo.SetValue, fieldInfo.Name, fieldInfo.FieldType ) ); break; case MemberTypes.Property : PropertyInfo propertyInfo = memberInfo as PropertyInfo; this.propertyDescriptorCollection.Add ( new TypedPropertyDescriptor<T> ( propertyInfo.GetValue, propertyInfo.SetValue, propertyInfo.Name, propertyInfo.PropertyType ) ); break; } } } else { foreach(PropertyDescriptor propertyDescriptor in this.propertyDescriptorCollection) { MemberInfo[] memberInfo = type.GetMember(propertyDescriptor.Name); if(memberInfo == null || memberInfo.Length == 0) { throw new Exception(propertyDescriptor.Name + "가 존재하지 않습니다."); } } } } base.Add(item); } #endregion #region GetValue 함수 구하기 - GetGetValueFunc(memberName) /// <summary> /// GetValue 함수 구하기 /// </summary> /// <param name="memberName">멤버명</param> /// <returns>GetValue 함수</returns> public Func<object, object> GetGetValueFunc(string memberName) { if(base.Count == 0) { return null; } Type type = base[0].GetType(); FieldInfo fieldInfo = type.GetField(memberName); if(fieldInfo != null) { return fieldInfo.GetValue; } else { PropertyInfo propertyInfo = type.GetProperty(memberName); if(propertyInfo != null) { return propertyInfo.GetValue; } return null; } } #endregion } } |