■ 정렬과 필터링 가능한 데이터 가상화를 사용하는 방법을 보여준다.
[TestLibrary 프로젝트]
▶ DataWrapper.cs
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using System.ComponentModel; namespace TestLibrary { /// <summary> /// 데이터 래퍼 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> public class DataWrapper<TItem> : INotifyPropertyChanged where TItem : class { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 속성 변경시 - 속성 변경시 /// <summary> /// 속성 변경시 /// </summary> public event PropertyChangedEventHandler PropertyChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 인덱스 /// </summary> private int index; /// <summary> /// 데이터 /// </summary> private TItem item; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 인덱스 - Index /// <summary> /// 인덱스 /// </summary> public int Index { get { return this.index; } } #endregion #region 항목 번호 - ItemNumber /// <summary> /// 항목 번호 /// </summary> public int ItemNumber { get { return this.index + 1; } } #endregion #region 로딩 여부 - IsLoading /// <summary> /// 로딩 여부 /// </summary> public bool IsLoading { get { return this.item == null; } } #endregion #region 항목 - Item /// <summary> /// 항목 /// </summary> public TItem Item { get { return this.item; } internal set { this.item = value; this.FirePropertyChangedEvent("Item"); this.FirePropertyChangedEvent("IsLoading"); } } #endregion #region 사용 여부 - InUse /// <summary> /// 사용 여부 /// </summary> public bool InUse { get { return PropertyChanged != null; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DataWrapper(index) /// <summary> /// 생성자 /// </summary> /// <param name="index">인덱스</param> public DataWrapper(int index) { this.index = index; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName) /// <summary> /// 속성 변경시 이벤트 발생시키기 /// </summary> /// <param name="propertyName">속성명</param> private void FirePropertyChangedEvent(string propertyName) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } #endregion } } |
▶ DataPage.cs
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using System; using System.Collections.Generic; using System.Linq; namespace TestLibrary { /// <summary> /// 데이터 페이지 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> public class DataPage<TItem> where TItem : class { #region 항목 리스트 - ItemList /// <summary> /// 항목 리스트 /// </summary> public IList<DataWrapper<TItem>> ItemList { get; private set; } #endregion #region 최근 사용 시간 - LastUsedTime /// <summary> /// 최근 사용 시간 /// </summary> public DateTime LastUsedTime { get; set; } #endregion #region 사용 여부 - InUse /// <summary> /// 사용 여부 /// </summary> public bool InUse { get { return ItemList.Any(wrapper => wrapper.InUse); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DataPage(firstIndex, pageLength) /// <summary> /// 생성자 /// </summary> /// <param name="firstIndex">첫번째 인덱스</param> /// <param name="pageLength">페이지 길이</param> public DataPage(int firstIndex, int pageLength) { ItemList = new List<DataWrapper<TItem>>(pageLength); for(int i = 0; i < pageLength; i++) { ItemList.Add(new DataWrapper<TItem>(firstIndex + i)); } LastUsedTime = DateTime.Now; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 만들기 - Populate(itemList) /// <summary> /// 만들기 /// </summary> /// <param name="itemList">항목 리스트</param> public void Populate(IList<TItem> itemList) { int index = 0; int i; for(i = 0; i < itemList.Count && i < ItemList.Count; i++) { ItemList[i].Item = itemList[i]; index = ItemList[i].Index; } while(i < itemList.Count) { index++; ItemList.Add ( new DataWrapper<TItem>(index) { Item = itemList[i] } ); i++; } while(i < ItemList.Count) { ItemList.RemoveAt(ItemList.Count - 1); } } #endregion } } |
▶ IItemProvider.cs
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using System.Collections.Generic; namespace TestLibrary { /// <summary> /// 항목 공급자 인터페이스 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> public interface IItemProvider<TItem> { //////////////////////////////////////////////////////////////////////////////////////////////////// Method #region 카운트 가져오기 - FetchCount() /// <summary> /// 카운트 가져오기 /// </summary> /// <returns>항목 수</returns> /// <remarks>이용 가능한 전체 항목 수를 가져온다.</remarks> int FetchCount(); #endregion #region 범위 가져오기 - FetchRange(startIndex, pageCount, overallCount) /// <summary> /// 범위 가져오기 /// </summary> /// <param name="startIndex">시작 인덱스</param> /// <param name="pageCount">페이지 수</param> /// <param name="overallCount">전체 수</param> /// <returns>항목 리스트</returns> IList<TItem> FetchRange(int startIndex, int pageCount, out int overallCount); #endregion } } |
▶ VirtualizingCollection.cs
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using System; using System.Collections.Generic; using System.Linq; using System.Collections; namespace TestLibrary { /// <summary> /// 가상화 컬렉션 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> public class VirtualizingCollection<TItem> : IList<DataWrapper<TItem>>, IList where TItem : class { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 항목 공급자 /// </summary> private readonly IItemProvider<TItem> itemProvider; /// <summary> /// 페이지 크기 /// </summary> private readonly int pageSize = 100; /// <summary> /// 페이지 타임아웃 /// </summary> private readonly long pageTimeout = 10000; /// <summary> /// 카운트 /// </summary> private int count = -1; /// <summary> /// 데이터 페이지 딕셔너리 /// </summary> private Dictionary<int, DataPage<TItem>> pageDictionary = new Dictionary<int, DataPage<TItem>>(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 항목 공급자 - ItemProvider /// <summary> /// 항목 공급자 /// </summary> public IItemProvider<TItem> ItemProvider { get { return this.itemProvider; } } #endregion #region 페이지 크기 - PageSize /// <summary> /// 페이지 크기 /// </summary> public int PageSize { get { return this.pageSize; } } #endregion #region 페이지 타임아웃 - PageTimeout /// <summary> /// 페이지 타임아웃 /// </summary> public long PageTimeout { get { return this.pageTimeout; } } #endregion #region 카운트 - Count /// <summary> /// 카운트 /// </summary> public int Count { get { if(this.count == -1) { this.count = 0; LoadCount(); } return this.count; } protected set { this.count = value; } } #endregion #region 인덱서 - this[index] /// <summary> /// 인덱서 /// </summary> /// <param name="index">인덱스</param> /// <returns>데이터 래퍼</returns> public DataWrapper<TItem> this[int index] { get { int pageIndex = index / PageSize; int pageOffset = index % PageSize; RequestPage(pageIndex); if(pageOffset > PageSize / 2 && pageIndex < Count / PageSize) { RequestPage(pageIndex + 1); } if(pageOffset < PageSize / 2 && pageIndex > 0) { RequestPage(pageIndex - 1); } CleanUpPageDictionary(); return this.pageDictionary[pageIndex].ItemList[pageOffset]; } set { throw new NotSupportedException(); } } #endregion #region 인덱서 - IList.this[index] /// <summary> /// 인덱서 /// </summary> /// <param name="index">인덱스</param> /// <returns>객체</returns> object IList.this[int index] { get { return this[index]; } set { throw new NotSupportedException(); } } #endregion #region 동기화 루트 - SyncRoot /// <summary> /// 동기화 루트 /// </summary> public object SyncRoot { get { return this; } } #endregion #region 동기화 여부 - IsSynchronized /// <summary> /// 동기화 여부 /// </summary> public bool IsSynchronized { get { return false; } } #endregion #region 읽기 전용 여부 - IsReadOnly /// <summary> /// 읽기 전용 여부 /// </summary> public bool IsReadOnly { get { return true; } } #endregion #region 고정 크기 여부 - IsFixedSize /// <summary> /// 고정 크기 여부 /// </summary> public bool IsFixedSize { get { return false; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - VirtualizingCollection(itemProvider, pageSize, pageTimeout) /// <summary> /// 생성자 /// </summary> /// <param name="itemProvider">항목 공급자</param> /// <param name="pageSize">페이지 크기</param> /// <param name="pageTimeout">페이지 타임아웃</param> public VirtualizingCollection(IItemProvider<TItem> itemProvider, int pageSize, int pageTimeout) { this.itemProvider = itemProvider; this.pageSize = pageSize; this.pageTimeout = pageTimeout; } #endregion #region 생성자 - VirtualizingCollection(itemProvider, pageSize) /// <summary> /// 생성자 /// </summary> /// <param name="itemProvider">항목 공급자</param> /// <param name="pageSize">페이지 크기</param> public VirtualizingCollection(IItemProvider<TItem> itemProvider, int pageSize) { this.itemProvider = itemProvider; this.pageSize = pageSize; } #endregion #region 생성자 - VirtualizingCollection(itemProvider) /// <summary> /// 생성자 /// </summary> /// <param name="itemProvider">항목 공급자</param> public VirtualizingCollection(IItemProvider<TItem> itemProvider) { this.itemProvider = itemProvider; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 열거자 구하기 - GetEnumerator() /// <summary> /// 열거자 구하기 /// </summary> /// <returns>데이터 래퍼 열거자</returns> public IEnumerator<DataWrapper<TItem>> GetEnumerator() { for(int i = 0; i < Count; i++) { yield return this[i]; } } #endregion #region 열거자 구하기 - IEnumerable.GetEnumerator() /// <summary> /// 열거자 구하기 /// </summary> /// <returns>열거자</returns> IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); } #endregion #region 추가하기 - Add(wrapper) /// <summary> /// 추가하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> public void Add(DataWrapper<TItem> wrapper) { throw new NotSupportedException(); } #endregion #region 추가하기 - IList.Add(wrapper) /// <summary> /// 추가하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> /// <returns>인덱스</returns> int IList.Add(object wrapper) { throw new NotSupportedException(); } #endregion #region 포함 여부 구하기 - Contains(wrapper) /// <summary> /// 포함 여부 구하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> /// <returns>포함 여부</returns> public bool Contains(DataWrapper<TItem> wrapper) { foreach(DataPage<TItem> page in this.pageDictionary.Values) { if(page.ItemList.Contains(wrapper)) { return true; } } return false; } #endregion #region 포함 여부 구하기 - IList.Contains(wrapper) /// <summary> /// 포함 여부 구하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> /// <returns>포함 여부</returns> bool IList.Contains(object wrapper) { return Contains((DataWrapper<TItem>)wrapper); } #endregion #region 지우기 - Clear() /// <summary> /// 지우기 /// </summary> public void Clear() { throw new NotSupportedException(); } #endregion #region 인덱스 구하기 - IndexOf(wrapper) /// <summary> /// 인덱스 구하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> /// <returns>인덱스</returns> public int IndexOf(DataWrapper<TItem> wrapper) { foreach(KeyValuePair<int, DataPage<TItem>> keyValuePair in this.pageDictionary) { int indexWithinPage = keyValuePair.Value.ItemList.IndexOf(wrapper); if(indexWithinPage != -1) { return PageSize * keyValuePair.Key + indexWithinPage; } } return -1; } #endregion #region 인덱스 구하기 - IList.IndexOf(wrapper) /// <summary> /// 인덱스 구하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> /// <returns>인덱스</returns> int IList.IndexOf(object wrapper) { return IndexOf((DataWrapper<TItem>)wrapper); } #endregion #region 삽입하기 - Insert(index, wrapper) /// <summary> /// 삽입하기 /// </summary> /// <param name="index">인덱스</param> /// <param name="wrapper">데이터 래퍼</param> public void Insert(int index, DataWrapper<TItem> wrapper) { throw new NotSupportedException(); } #endregion #region 삽입하기 - IList.Insert(index, wrapper) /// <summary> /// 삽입하기 /// </summary> /// <param name="index">인덱스</param> /// <param name="wrapper">데이터 래퍼</param> void IList.Insert(int index, object wrapper) { Insert(index, (DataWrapper<TItem>)wrapper); } #endregion #region 제거하기 - RemoveAt(index) /// <summary> /// 제거하기 /// </summary> /// <param name="index">인덱스</param> public void RemoveAt(int index) { throw new NotSupportedException(); } #endregion #region 제거하기 - Remove(wrapper) /// <summary> /// 제거하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> /// <returns>처리 결과</returns> public bool Remove(DataWrapper<TItem> wrapper) { throw new NotSupportedException(); } #endregion #region 제거하기 - IList.Remove(wrapper) /// <summary> /// 제거하기 /// </summary> /// <param name="wrapper">데이터 래퍼</param> void IList.Remove(object wrapper) { throw new NotSupportedException(); } #endregion #region 복사하기 - CopyTo(itemArray, arrayIndex) /// <summary> /// 복사하기 /// </summary> /// <param name="itemArray">항목 배열</param> /// <param name="arrayIndex">배열 인덱스</param> public void CopyTo(DataWrapper<TItem>[] itemArray, int arrayIndex) { throw new NotSupportedException(); } #endregion #region 복사하기 - ICollection.CopyTo(array, index) /// <summary> /// 복사하기 /// </summary> /// <param name="array">배열</param> /// <param name="index">인덱스</param> void ICollection.CopyTo(Array array, int index) { throw new NotSupportedException(); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 카운트 가져오기 - FetchCount() /// <summary> /// 카운트 가져오기 /// </summary> /// <returns>카운트</returns> protected int FetchCount() { return ItemProvider.FetchCount(); } #endregion #region 카운트 로드하기 - LoadCount() /// <summary> /// 카운트 로드하기 /// </summary> protected virtual void LoadCount() { Count = FetchCount(); } #endregion #region 페이지 만들기 - PopulatePage(pageIndex, itemList) /// <summary> /// 페이지 만들기 /// </summary> /// <param name="pageIndex">페이지 인덱스</param> /// <param name="itemList">항목 리스트</param> protected virtual void PopulatePage(int pageIndex, IList<TItem> itemList) { DataPage<TItem> page; if(this.pageDictionary.TryGetValue(pageIndex, out page)) { page.Populate(itemList); } } #endregion #region 페이지 가져오기 - FetchPage(pageIndex, pageLength, count) /// <summary> /// 페이지 가져오기 /// </summary> /// <param name="pageIndex">페이지 인덱스</param> /// <param name="pageLength">페이지 길이</param> /// <param name="count">카운트</param> /// <returns>원본 항목 리스트</returns> protected IList<TItem> FetchPage(int pageIndex, int pageLength, out int count) { return ItemProvider.FetchRange(pageIndex * PageSize, pageLength, out count); } #endregion #region 페이지 로드하기 - LoadPage(pageIndex, pageLength) /// <summary> /// 페이지 로드하기 /// </summary> /// <param name="pageIndex">페이지 인덱스</param> /// <param name="pageLength">페이지 길이</param> protected virtual void LoadPage(int pageIndex, int pageLength) { int count = 0; PopulatePage(pageIndex, FetchPage(pageIndex, pageLength, out count)); Count = count; } #endregion #region 페이지 요청하기 - RequestPage(pageIndex) /// <summary> /// 페이지 요청하기 /// </summary> /// <param name="pageIndex">페이지 인덱스</param> protected virtual void RequestPage(int pageIndex) { if(!this.pageDictionary.ContainsKey(pageIndex)) { int pageLength = Math.Min(this.PageSize, this.Count - pageIndex * this.PageSize); DataPage<TItem> dataPage = new DataPage<TItem>(pageIndex * this.PageSize, pageLength); this.pageDictionary.Add(pageIndex, dataPage); LoadPage(pageIndex, pageLength); } else { this.pageDictionary[pageIndex].LastUsedTime = DateTime.Now; } } #endregion #region 캐시 비우기 - EmptyCache() /// <summary> /// 캐시 비우기 /// </summary> protected void EmptyCache() { this.pageDictionary = new Dictionary<int, DataPage<TItem>>(); } #endregion #region 페이지 딕셔너리 정리하기 - CleanUpPageDictionary() /// <summary> /// 페이지 딕셔너리 정리하기 /// </summary> private void CleanUpPageDictionary() { int[] keyArray = this.pageDictionary.Keys.ToArray(); foreach(int key in keyArray) { if(key != 0 && (DateTime.Now - this.pageDictionary[key].LastUsedTime).TotalMilliseconds > PageTimeout) { bool removePage = true; DataPage<TItem> page; if(this.pageDictionary.TryGetValue(key, out page)) { removePage = !page.InUse; } if(removePage) { this.pageDictionary.Remove(key); } } } } #endregion } } |
▶ AsyncVirtualizingCollection.cs
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using System.Collections.Generic; using System.Collections.Specialized; using System.ComponentModel; using System.Threading; namespace TestLibrary { /// <summary> /// 비동기 가상화 컬렉션 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> public class AsyncVirtualizingCollection<TItem> : VirtualizingCollection<TItem>, INotifyCollectionChanged, INotifyPropertyChanged where TItem : class { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 컬렉션 변경시 - CollectionChanged /// <summary> /// 컬렉션 변경시 /// </summary> public event NotifyCollectionChangedEventHandler CollectionChanged; #endregion #region 속성 변경시 - PropertyChanged /// <summary> /// 속성 변경시 /// </summary> public event PropertyChangedEventHandler PropertyChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 동기화 컨텍스트 /// </summary> private readonly SynchronizationContext synchronizationContext; /// <summary> /// 로딩 여부 /// </summary> private bool isLoading; /// <summary> /// 초기화 여부 /// </summary> private bool isInitializing; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 동기화 컨텍스트 - SynchronizationContext /// <summary> /// 동기화 컨텍스트 /// </summary> protected SynchronizationContext SynchronizationContext { get { return this.synchronizationContext; } } #endregion #region 로딩 여부 - IsLoading /// <summary> /// 로딩 여부 /// </summary> public bool IsLoading { get { return this.isLoading; } set { if(value != this.isLoading) { this.isLoading = value; FirePropertyChangedEvent("IsLoading"); } } } #endregion #region 초기화 여부 - IsInitializing /// <summary> /// 초기화 여부 /// </summary> public bool IsInitializing { get { return this.isInitializing; } set { if(value != this.isInitializing) { this.isInitializing = value; FirePropertyChangedEvent("IsInitializing"); } } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - AsyncVirtualizingCollection(itemProvider, pageSize, pageTimeout) /// <summary> /// 생성자 /// </summary> /// <param name="itemProvider">항목 공급자</param> /// <param name="pageSize">페이지 크기</param> /// <param name="pageTimeout">페이지 타임아웃</param> public AsyncVirtualizingCollection(IItemProvider<TItem> itemProvider, int pageSize, int pageTimeout) : base(itemProvider, pageSize, pageTimeout) { this.synchronizationContext = SynchronizationContext.Current; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 컬렉션 변경시 이벤트 발생시키기 - FireCollectionChangedEvent(e) /// <summary> /// 컬렉션 변경시 이벤트 발생시키기 /// </summary> /// <param name="e">이벤트 인자</param> protected virtual void FireCollectionChangedEvent(NotifyCollectionChangedEventArgs e) { CollectionChanged?.Invoke(this, e); } #endregion #region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(e) /// <summary> /// 속성 변경시 이벤트 발생시키기 /// </summary> /// <param name="e">이벤트 인자</param> protected virtual void FirePropertyChangedEvent(PropertyChangedEventArgs e) { PropertyChanged?.Invoke(this, e); } #endregion #region 카운트 로드하기 - LoadCount() /// <summary> /// 카운트 로드하기 /// </summary> protected override void LoadCount() { if(Count == 0) { IsInitializing = true; } ThreadPool.QueueUserWorkItem(LoadCount); } #endregion #region 카운트 로드 완료시 처리하기 - ProcessLoadCountCompleted(argument) /// <summary> /// 카운트 로드 완료시 처리하기 /// </summary> /// <param name="argument">인자</param> protected virtual void ProcessLoadCountCompleted(object argument) { int newCount = (int)argument; SetNewCount(newCount); IsInitializing = false; } #endregion #region 페이지 로드하기 - LoadPage(pageIndex, pageLength) /// <summary> /// 페이지 로드하기 /// </summary> /// <param name="pageIndex">페이지 인덱스</param> /// <param name="pageLength">페이지 길이</param> protected override void LoadPage(int pageIndex, int pageLength) { IsLoading = true; ThreadPool.QueueUserWorkItem(LoadPage, new int[] { pageIndex, pageLength }); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 컬렉션 리셋하기 - ResetCollectionReset() /// <summary> /// 컬렉션 리셋하기 /// </summary> private void ResetCollectionReset() { NotifyCollectionChangedEventArgs e = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset); FireCollectionChangedEvent(e); } #endregion #region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName) /// <summary> /// 속성 변경시 이벤트 발생시키기 /// </summary> /// <param name="propertyName">속성명</param> private void FirePropertyChangedEvent(string propertyName) { PropertyChangedEventArgs e = new PropertyChangedEventArgs(propertyName); FirePropertyChangedEvent(e); } #endregion #region 카운트 로드하기 - LoadCount(argument) /// <summary> /// 카운트 로드하기 /// </summary> /// <param name="argument">인자</param> private void LoadCount(object argument) { int count = FetchCount(); SynchronizationContext.Send(ProcessLoadCountCompleted, count); } #endregion #region 신규 카운트 설정하기 - SetNewCount(newCount) /// <summary> /// 신규 카운트 설정하기 /// </summary> /// <param name="newCount">신규 카운트</param> private void SetNewCount(int newCount) { if(newCount != Count) { Count = newCount; EmptyCache(); ResetCollectionReset(); } } #endregion #region 페이지 로드 완료시 처리하기 - ProcessLoadPageCompleted(state) /// <summary> /// 페이지 로드 완료시 처리하기 /// </summary> /// <param name="state">상태</param> private void ProcessLoadPageCompleted(object state) { object[] argumentArray = (object[])state; int pageIndex = (int)argumentArray[0]; IList<TItem> itemList = (IList<TItem>)argumentArray[1]; int newCount = (int)argumentArray[2]; SetNewCount(newCount); PopulatePage(pageIndex, itemList); IsLoading = false; } #endregion #region 페이지 로드하기 - LoadPage(state) /// <summary> /// 페이지 로드하기 /// </summary> /// <param name="state">상태</param> private void LoadPage(object state) { int[] argumentArray = (int[])state; int pageIndex = argumentArray[0]; int pageLength = argumentArray[1]; int overallCount = 0; IList<TItem> itemList = FetchPage(pageIndex, pageLength, out overallCount); SynchronizationContext.Send(ProcessLoadPageCompleted, new object[] { pageIndex, itemList, overallCount }); } #endregion } } |
[TestProject 프로젝트]
▶ USRegion.cs
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namespace TestProject { /// <summary> /// US 지역 /// </summary> public enum USRegion { /// <summary> /// 북동부 /// </summary> NorthEast, /// <summary> /// 남동부 /// </summary> SouthEast, /// <summary> /// 중서부 /// </summary> MiddleWest, /// <summary> /// 남서부 /// </summary> SouthWest, /// <summary> /// 서부 /// </summary> West } } |
▶ DateToStringConverter.cs
|
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using System; using System.Globalization; using System.Windows.Data; namespace TestProject { /// <summary> /// 날짜->문자열 변환자 /// </summary> public class DateToStringConverter : 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) { DateTime date = (DateTime)sourceValue; return string.Format("{0:d}", date); } #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) { throw new NotImplementedException(); } #endregion } } |
▶ DoubleToStringConverter.cs
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using System; using System.Globalization; using System.Windows.Data; namespace TestProject { /// <summary> /// 배정도 실수 -> 문자열 변환자 /// </summary> public class DoubleToStringConverter : 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) { double value = (double)sourceValue; return string.Format("{0:c}", value); } #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) { throw new NotImplementedException(); } #endregion } } |
▶ IntegerToRegionConverter.cs
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using System; using System.Globalization; using System.Windows.Data; namespace TestProject { /// <summary> /// 정수 -> 영역 변환자 /// </summary> public class IntegerToRegionConverter : 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) { int value; bool result = int.TryParse(sourceValue.ToString(), out value); if(result) { USRegion region = (USRegion)(int)sourceValue; return region.ToString(); } return string.Empty; } #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) { throw new NotImplementedException(); } #endregion } } |
▶ DateRangePicker.xaml
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<UserControl x:Class="TestProject.DateRangePicker" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <DatePicker Name="fromDatePicker" Grid.Column="0" Margin="10 0 0 0 " /> <TextBlock Grid.Column="1" Margin="10 0 0 0 " VerticalAlignment="Center" Text="~" /> <DatePicker Name="toDatePicker" Grid.Column="2" Margin="10 0 0 0" /> </Grid> </UserControl> |
▶ DateRangePicker.xaml.cs
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using System; using System.Windows; using System.Windows.Controls; using System.Windows.Data; namespace TestProject { /// <summary> /// 일자 범위 선택기 /// </summary> public partial class DateRangePicker : UserControl { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 시작일 변경시 - FromDateChanged /// <summary> /// 시작일 변경시 /// </summary> public event EventHandler FromDateChanged; #endregion #region 종료일 변경시 - ToDateChanged /// <summary> /// 종료일 변경시 /// </summary> public event EventHandler ToDateChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 시작일 속성 - FromDateProperty /// <summary> /// 시작일 속성 /// </summary> public static readonly DependencyProperty FromDateProperty = DependencyProperty.Register ( "FromDate", typeof(Nullable<DateTime>), typeof(DateRangePicker), new PropertyMetadata(FromDatePropertyChangedCallback) ); #endregion #region 종료일 속성 - ToDateProperty /// <summary> /// 종료일 속성 /// </summary> public static readonly DependencyProperty ToDateProperty = DependencyProperty.Register ( "DateTo", typeof(Nullable<DateTime>), typeof(DateRangePicker), new PropertyMetadata(ToDatePropertyChangedCallback) ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 시작일 - FromDate /// <summary> /// 시작일 /// </summary> public Nullable<DateTime> FromDate { get { return (Nullable<DateTime>)GetValue(FromDateProperty); } set { SetValue(FromDateProperty, value); } } #endregion #region 종료일 - ToDate /// <summary> /// 종료일 /// </summary> public Nullable<DateTime> ToDate { get { return (Nullable<DateTime>)GetValue(ToDateProperty); } set { SetValue(ToDateProperty, value); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DateRangePicker() /// <summary> /// 생성자 /// </summary> public DateRangePicker() { InitializeComponent(); this.fromDatePicker.BlackoutDates.Add ( new CalendarDateRange ( DateTime.Today.AddDays(1), DateTime.MaxValue ) ); this.fromDatePicker.SetBinding ( DatePicker.SelectedDateProperty, new Binding("FromDate") { Source = this, Mode = BindingMode.TwoWay } ); this.toDatePicker.BlackoutDates.Add ( new CalendarDateRange ( DateTime.Today.AddDays(1), DateTime.MaxValue ) ); this.toDatePicker.SetBinding ( DatePicker.SelectedDateProperty, new Binding("ToDate") { Source = this, Mode = BindingMode.TwoWay } ); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 시작일 속성 변경시 콜백 처리하기 - FromDatePropertyChangedCallback(d, e) /// <summary> /// 시작일 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void FromDatePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { DateRangePicker dateRangePicker = (DateRangePicker)d; dateRangePicker.ProcessFromDateChanged(); } #endregion #region 종료일 속성 변경시 콜백 처리하기 - ToDatePropertyChangedCallback(d, e) /// <summary> /// 종료일 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void ToDatePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { DateRangePicker dateRangePicker = (DateRangePicker)d; dateRangePicker.FireDateChancedEvent(dateRangePicker.ToDateChanged); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region 시작일 변경시 처리하기 - ProcessFromDateChanged() /// <summary> /// 시작일 변경시 처리하기 /// </summary> private void ProcessFromDateChanged() { this.toDatePicker.BlackoutDates.Clear(); if(FromDate.HasValue) { DateTime fromDate = FromDate.Value; if(ToDate.HasValue) { DateTime toDate = ToDate.Value; if(toDate <= fromDate) { ToDate = null; } } this.toDatePicker.BlackoutDates.Add ( new CalendarDateRange ( DateTime.MinValue, fromDate ) ); } this.toDatePicker.BlackoutDates.Add ( new CalendarDateRange ( DateTime.Today.AddDays(1), DateTime.MaxValue ) ); this.FireDateChancedEvent(FromDateChanged); } #endregion #region 일자 변경 이벤트 발생시키기 - FireDateChancedEvent(handler) /// <summary> /// 일자 변경 이벤트 발생시키기 /// </summary> /// <param name="handler">이벤트 핸들러</param> private void FireDateChancedEvent(EventHandler handler) { handler?.Invoke(this, EventArgs.Empty); } #endregion } } |
▶ DataGridHelper.cs
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using System.Windows.Controls; using System.Windows.Data; namespace TestProject { /// <summary> /// 데이터 그리드 헬퍼 /// </summary> public static class DataGridHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 정렬 멤버 경로 구하기 - GetSortMemberPath(column) /// <summary> /// 정렬 멤버 경로 구하기 /// </summary> /// <param name="column">컬럼</param> /// <returns>정렬 멤버 경로</returns> public static string GetSortMemberPath(DataGridColumn column) { string sortPropertyName = column.SortMemberPath; if(string.IsNullOrEmpty(sortPropertyName)) { DataGridBoundColumn boundColumn = column as DataGridBoundColumn; if(boundColumn != null) { Binding binding = boundColumn.Binding as Binding; if(binding != null) { if(!string.IsNullOrEmpty(binding.XPath)) { sortPropertyName = binding.XPath; } else if(binding.Path != null) { sortPropertyName = binding.Path.Path; } } } } return sortPropertyName; } #endregion } } |
▶ Customer.cs
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using System; using System.ComponentModel; namespace TestProject { /// <summary> /// 고객 /// </summary> public partial class Customer : INotifyPropertyChanging, INotifyPropertyChanged { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 속성 변경 전 - PropertyChanging /// <summary> /// 속성 변경 전 /// </summary> public event PropertyChangingEventHandler PropertyChanging; #endregion #region 속성 변경 후 - PropertyChanged /// <summary> /// 속성 변경 후 /// </summary> public event PropertyChangedEventHandler PropertyChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 빈 속성 변경 전 이벤트 인자 /// </summary> private static PropertyChangingEventArgs _emptyPropertyChangingEventArgs = new PropertyChangingEventArgs(string.Empty); #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// ID /// </summary> private int id; /// <summary> /// 이름 /// </summary> private string firstName; /// <summary> /// 성 /// </summary> private string lastName; /// <summary> /// 가입일 /// </summary> private System.DateTime customerSince; /// <summary> /// 지역 호출 지불액 /// </summary> private double amountPaidLocalCalls; /// <summary> /// 국내 호출 지불액 /// </summary> private double amountPaidNationalCalls; /// <summary> /// 해외 호출 지불액 /// </summary> private double amountPaidInternationalCalls; /// <summary> /// 계획상 패밀리 멤버 수 /// </summary> private int numberFamilyMembersInPlan; /// <summary> /// 선호 프로그램 가입 여부 /// </summary> private bool joinedPreferredProgram; /// <summary> /// 지역 /// </summary> private int region; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region ID - Id /// <summary> /// ID /// </summary> public int Id { get { return this.id; } set { if(this.id != value) { FirePropertyChangingEvent(); this.id = value; FirePropertyChangedEvent("Id"); } } } #endregion #region 이름 - FirstName /// <summary> /// 이름 /// </summary> public string FirstName { get { return this.firstName; } set { if(this.firstName != value) { FirePropertyChangingEvent(); this.firstName = value; FirePropertyChangedEvent("FirstName"); } } } #endregion #region 성 - LastName /// <summary> /// 성 /// </summary> public string LastName { get { return this.lastName; } set { if(this.lastName != value) { FirePropertyChangingEvent(); this.lastName = value; FirePropertyChangedEvent("LastName"); } } } #endregion #region 가입일 - CustomerSince /// <summary> /// 가입일 /// </summary> public DateTime CustomerSince { get { return this.customerSince; } set { if(this.customerSince != value) { FirePropertyChangingEvent(); this.customerSince = value; FirePropertyChangedEvent("CustomerSince"); } } } #endregion #region 지역 호출 지불액 - AmountPaidLocalCalls /// <summary> /// 지역 호출 지불액 /// </summary> public double AmountPaidLocalCalls { get { return this.amountPaidLocalCalls; } set { if(this.amountPaidLocalCalls != value) { FirePropertyChangingEvent(); this.amountPaidLocalCalls = value; FirePropertyChangedEvent("AmountPaidLocalCalls"); } } } #endregion #region 국내 호출 지불액 - AmountPaidNationalCalls /// <summary> /// 국내 호출 지불액 /// </summary> public double AmountPaidNationalCalls { get { return this.amountPaidNationalCalls; } set { if(this.amountPaidNationalCalls != value) { FirePropertyChangingEvent(); this.amountPaidNationalCalls = value; FirePropertyChangedEvent("AmountPaidNationalCalls"); } } } #endregion #region 해외 호출 지불액 - AmountPaidInternationalCalls /// <summary> /// 해외 호출 지불액 /// </summary> public double AmountPaidInternationalCalls { get { return this.amountPaidInternationalCalls; } set { if(this.amountPaidInternationalCalls != value) { FirePropertyChangingEvent(); this.amountPaidInternationalCalls = value; FirePropertyChangedEvent("AmountPaidInternationalCalls"); } } } #endregion #region 계획상 패밀리 멤버 수 - NumberFamilyMembersInPlan /// <summary> /// 계획상 패밀리 멤버 수 /// </summary> public int NumberFamilyMembersInPlan { get { return this.numberFamilyMembersInPlan; } set { if((this.numberFamilyMembersInPlan != value)) { FirePropertyChangingEvent(); this.numberFamilyMembersInPlan = value; FirePropertyChangedEvent("NumberFamilyMembersInPlan"); } } } #endregion #region 선호 프로그램 가입 여부 - JoinedPreferredProgram /// <summary> /// 선호 프로그램 가입 여부 /// </summary> public bool JoinedPreferredProgram { get { return this.joinedPreferredProgram; } set { if(this.joinedPreferredProgram != value) { FirePropertyChangingEvent(); this.joinedPreferredProgram = value; FirePropertyChangedEvent("JoinedPreferredProgram"); } } } #endregion #region 지역 - Region /// <summary> /// 지역 /// </summary> public int Region { get { return this.region; } set { if(this.region != value) { FirePropertyChangingEvent(); this.region = value; FirePropertyChangedEvent("Region"); } } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Customer() /// <summary> /// 생성자 /// </summary> public Customer() { } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 속성 변경 전 이벤트 발생시키기 - FirePropertyChangingEvent() /// <summary> /// 속성 변경 전 이벤트 발생시키기 /// </summary> protected virtual void FirePropertyChangingEvent() { PropertyChanging?.Invoke(this, _emptyPropertyChangingEventArgs); } #endregion #region 속성 변경 후 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName) /// <summary> /// 속성 변경 후 이벤트 발생시키기 /// </summary> /// <param name="propertyName">속성명</param> protected virtual void FirePropertyChangedEvent(string propertyName) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } #endregion } } |
▶ CustomerProvider.cs
|
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using System; using System.Collections.Generic; using System.Linq; using TestLibrary; namespace TestProject { /// <summary> /// 고객 공급자 /// </summary> public class CustomerProvider : IItemProvider<Customer> { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 고객 리스트 /// </summary> private readonly List<Customer> customerList; /// <summary> /// 시작일 /// </summary> private readonly DateTime? startDate; /// <summary> /// 종료일 /// </summary> private readonly DateTime? endDate; /// <summary> /// 정렬 필드 /// </summary> private readonly string sortField; /// <summary> /// 카운트 /// </summary> private int count; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CustomerProvider() /// <summary> /// 생성자 /// </summary> public CustomerProvider() { this.startDate = DateTime.Today.AddYears(-100); this.endDate = DateTime.Today.AddYears(100); this.sortField = "CustomerSince DESC"; this.customerList = new List<Customer>(); for(int i = 0; i < 1000000; i++) { this.customerList.Add ( new Customer { AmountPaidInternationalCalls = i % 100, AmountPaidLocalCalls = i % 100, AmountPaidNationalCalls = i % 100, CustomerSince = this.startDate.Value.AddDays(i), FirstName = string.Format("Customer {0}", i), Id = i, LastName = string.Format("LastName {0}", i), JoinedPreferredProgram = i % 2 == 0, NumberFamilyMembersInPlan = i % 4, Region = i % 100, } ); } } #endregion #region 생성자 - CustomerProvider(startDate, endDate, sortField) /// <summary> /// 생성자 /// </summary> /// <param name="startDate">시작일</param> /// <param name="endDate">종료일</param> /// <param name="sortField">정렬 필드</param> public CustomerProvider(DateTime? startDate, DateTime? endDate, string sortField) : this() { if(startDate != null) { this.startDate = startDate; } if(endDate != null) { this.endDate = endDate; } this.sortField = sortField; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 카운트 가져오기 - FetchCount() /// <summary> /// 카운트 가져오기 /// </summary> /// <returns>카운트</returns> public int FetchCount() { this.count = this.customerList.Count(e => e.CustomerSince >= this.startDate && e.CustomerSince <= this.endDate); return this.count; } #endregion #region 범위 가져오기 - FetchRange(startIndex, pageCount, overallCount) /// <summary> /// 범위 가져오기 /// </summary> /// <param name="startIndex">시작 인덱스</param> /// <param name="pageCount">페이지 카운트</param> /// <param name="overallCount">전체 카운트</param> /// <returns>고객 리스트</returns> public IList<Customer> FetchRange(int startIndex, int pageCount, out int overallCount) { // 이 경우 데이터베이스의 데이터가 변경되지 않는다고 가정하기 때문에 카운트를 다시 가져오지 않아도 된다. overallCount = this.count; if(this.sortField.Contains("DESC")) { return this.customerList.Where(e => e.CustomerSince >= this.startDate && e.CustomerSince <= this.endDate) .OrderBy(e => e.FirstName) .Skip(startIndex) .Take(pageCount).ToList(); } else { return this.customerList.Where(e => e.CustomerSince >= this.startDate && e.CustomerSince <= this.endDate) .OrderByDescending(e => e.FirstName) .Skip(startIndex) .Take(pageCount).ToList(); } } #endregion } } |
▶ CustomSortDescription.cs
|
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using System.ComponentModel; using System.Windows.Controls; namespace TestProject { /// <summary> /// 커스텀 정렬 설명 /// </summary> public class CustomSortDescription { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 속성명 - PropertyName /// <summary> /// 속성명 /// </summary> public string PropertyName { get; set; } #endregion #region 리스트 정렬 방향 - Direction /// <summary> /// 리스트 정렬 방향 /// </summary> public ListSortDirection Direction { get; set; } #endregion #region 데이터 그리드 컬럼 - Column /// <summary> /// 데이터 그리드 컬럼 /// </summary> public DataGridColumn Column { get; set; } #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="정렬과 필터링 가능한 데이터 가상화 사용하기" FontFamily="나눔고딕코딩" FontSize="16"> <Window.Resources> <local:DateToStringConverter x:Key="DateToStringConverterKey" /> <local:DoubleToStringConverter x:Key="DoubleToStringConverterKey" /> <local:IntegerToRegionConverter x:Key="IntegerToRegionConverterKey" /> <Style x:Key="TitleTextBlockStyleKey" TargetType="TextBlock" > <Setter Property="FontWeight" Value="Bold" /> </Style> <Style x:Key="DataGridStyleKey" TargetType="{x:Type DataGrid}"> <Setter Property="BorderThickness" Value="1" /> <Setter Property="BorderBrush" Value="#ff688caf" /> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" /> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" /> <Setter Property="ScrollViewer.CanContentScroll" Value="True" /> <Setter Property="RowDetailsVisibilityMode" Value="VisibleWhenSelected" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type DataGrid}"> <Grid> <Border BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="True"> <ScrollViewer Name="DG_ScrollViewer" Focusable="False"> <ScrollViewer.Template> <ControlTemplate TargetType="{x:Type ScrollViewer}"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <Button Width="{Binding CellsPanelHorizontalOffset, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type DataGrid}}}" Focusable="False"> <Button.Visibility> <Binding RelativeSource="{RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type DataGrid}}" Path="HeadersVisibility"> <Binding.ConverterParameter> <DataGridHeadersVisibility>All</DataGridHeadersVisibility> </Binding.ConverterParameter> </Binding> </Button.Visibility> <Button.Template> <ControlTemplate TargetType="{x:Type Button}"> <Grid> <Rectangle Name="Border" Fill="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" SnapsToDevicePixels="True" /> <Polygon Name="Arrow" HorizontalAlignment="Right" VerticalAlignment="Bottom" Margin="8 8 3 3" Fill="Black" Stretch="Uniform" Opacity="0.15" Points="0 10 10 10 10 0" /> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter TargetName="Border" Property="Stroke" Value="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}" /> </Trigger> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="Border" Property="Fill" Value="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}" /> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter TargetName="Arrow" Property="Visibility" Value="Collapsed" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Button.Template> <Button.Command> <RoutedCommand /> </Button.Command> </Button> <DataGridColumnHeadersPresenter Name="PART_ColumnHeadersPresenter" Grid.Column="1"> <DataGridColumnHeadersPresenter.Visibility> <Binding RelativeSource="{RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type DataGrid}}" Path="HeadersVisibility"> <Binding.ConverterParameter> <DataGridHeadersVisibility>Column</DataGridHeadersVisibility> </Binding.ConverterParameter> </Binding> </DataGridColumnHeadersPresenter.Visibility> </DataGridColumnHeadersPresenter> <ScrollContentPresenter Name="PART_ScrollContentPresenter" Grid.Row="1" Grid.ColumnSpan="2" CanHorizontallyScroll="False" CanVerticallyScroll="False" CanContentScroll="{TemplateBinding CanContentScroll}" ContentStringFormat="{TemplateBinding ContentStringFormat}" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" /> <ScrollBar Name="PART_VerticalScrollBar" Grid.Row="1" Grid.Column="2" Orientation="Vertical" ViewportSize="{TemplateBinding ViewportHeight}" Maximum="{TemplateBinding ScrollableHeight}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" /> <Grid Grid.Column="1" Grid.Row="2"> <Grid.ColumnDefinitions> <ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type DataGrid}}}" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <ScrollBar Name="PART_HorizontalScrollBar" Grid.Column="1" Orientation="Horizontal" ViewportSize="{TemplateBinding ViewportWidth}" Maximum="{TemplateBinding ScrollableWidth}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" /> </Grid> </Grid> </ControlTemplate> </ScrollViewer.Template> <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" /> </ScrollViewer> </Border> <Grid Name="InitializingGrid" Background="White" Opacity="0.5" Cursor="Wait" Visibility="Collapsed"> <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="Initializing..." /> </Grid> </Grid> <ControlTemplate.Triggers> <DataTrigger Binding="{Binding Path=IsInitializing}" Value="True"> <Setter Property="Visibility" Value="Visible" TargetName="InitializingGrid"/> </DataTrigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> <Style.Triggers> <Trigger Property="IsGrouping" Value="True"> <Setter Property="ScrollViewer.CanContentScroll" Value="False" /> </Trigger> </Style.Triggers> </Style> <Style x:Key="DataGridRowStyleKey" TargetType="{x:Type DataGridRow}"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" /> <Setter Property="SnapsToDevicePixels" Value="True" /> <Setter Property="Validation.ErrorTemplate" Value="{x:Null}" /> <Setter Property="ValidationErrorTemplate"> <Setter.Value> <ControlTemplate> <TextBlock VerticalAlignment="Center" Margin="2 0 0 0" Foreground="Red" Text="!"> <Run Text="!" /> </TextBlock> </ControlTemplate> </Setter.Value> </Setter> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type DataGridRow}"> <Grid> <Border Name="DGR_Border" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True"> <SelectiveScrollingGrid> <SelectiveScrollingGrid.RowDefinitions> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> </SelectiveScrollingGrid.RowDefinitions> <SelectiveScrollingGrid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> </SelectiveScrollingGrid.ColumnDefinitions> <DataGridCellsPresenter Grid.Column="1" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" ItemsPanel="{TemplateBinding ItemsPanel}" /> <DataGridDetailsPresenter Grid.Row="1" Grid.Column="1" Visibility="{TemplateBinding DetailsVisibility}"> <SelectiveScrollingGrid.SelectiveScrollingOrientation> <Binding RelativeSource="{RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type DataGrid}}" Path="AreRowDetailsFrozen"> <Binding.ConverterParameter> <SelectiveScrollingOrientation>Vertical</SelectiveScrollingOrientation> </Binding.ConverterParameter> </Binding> </SelectiveScrollingGrid.SelectiveScrollingOrientation> </DataGridDetailsPresenter> <DataGridRowHeader Grid.RowSpan="2" SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical"> <DataGridRowHeader.Visibility> <Binding RelativeSource="{RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type DataGrid}}" Path="HeadersVisibility"> <Binding.ConverterParameter> <DataGridHeadersVisibility>Row</DataGridHeadersVisibility> </Binding.ConverterParameter> </Binding> </DataGridRowHeader.Visibility> </DataGridRowHeader> </SelectiveScrollingGrid> </Border> <StackPanel Name="Loading" Background="Transparent" Cursor="Wait" Visibility="Collapsed"> <Rectangle Height="2" Fill="White" /> <StackPanel Margin="5 0 0 0" Orientation="Horizontal"> <TextBlock Text="항목 로딩중 " /> <TextBlock Text="{Binding ItemNumber}" /> <TextBlock Text="..." /> </StackPanel> </StackPanel> </Grid> <ControlTemplate.Triggers> <DataTrigger Binding="{Binding IsLoading}" Value="True"> <Setter TargetName="Loading" Property="Visibility" Value="Visible" /> <Setter TargetName="DGR_Border" Property="Visibility" Value="Collapsed" /> </DataTrigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> </Window.Resources> <Grid Margin="10"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <StackPanel> <StackPanel Orientation="Horizontal"> <TextBlock Style="{StaticResource TitleTextBlockStyleKey}" VerticalAlignment="Center" Text="고객 가입일" /> <local:DateRangePicker x:Name="dateRangePicker" Margin="10 0 0 0" FromDateChanged="dateRangePicker_DateChanged" ToDateChanged="dateRangePicker_DateChanged" /> </StackPanel> </StackPanel> <DataGrid Name="dataGrid" Grid.Row="1" Style="{StaticResource DataGridStyleKey}" RowStyle="{StaticResource DataGridRowStyleKey}" Margin="0 10 0 0" AutoGenerateColumns="False" IsSynchronizedWithCurrentItem="True" VirtualizingStackPanel.VirtualizationMode="Recycling" EnableColumnVirtualization="True" EnableRowVirtualization="True" IsReadOnly="True" ItemsSource="{Binding}" Sorting="dataGrid_Sorting" SelectedIndex="0"> <DataGrid.Columns> <DataGridTextColumn Header="이름" Binding="{Binding Item.FirstName}" /> <DataGridTextColumn Header="성" Binding="{Binding Item.LastName}" /> <DataGridTextColumn Header="가입일" Binding="{Binding Item.CustomerSince, Converter={StaticResource DateToStringConverterKey}}" /> <DataGridTextColumn Header="지역 호출" Binding="{Binding Item.AmountPaidLocalCalls, Converter={StaticResource DoubleToStringConverterKey}}" /> <DataGridTextColumn Header="국내 호출" Binding="{Binding Item.AmountPaidNationalCalls, Converter={StaticResource DoubleToStringConverterKey}}" /> <DataGridTextColumn Header="해외 호출" Binding="{Binding Item.AmountPaidInternationalCalls, Converter={StaticResource DoubleToStringConverterKey}}"/> <DataGridTextColumn Header="멤버 수" Binding="{Binding Item.NumberFamilyMembersInPlan}" /> <DataGridCheckBoxColumn Header="선호" Binding="{Binding Item.JoinedPreferredProgram}" /> <DataGridTextColumn Header="지역" Binding="{Binding Item.Region, Converter={StaticResource IntegerToRegionConverterKey}}" /> </DataGrid.Columns> </DataGrid> </Grid> </Window> |
▶ MainWindow.xaml.cs
|
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics; using System.Linq; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using TestLibrary; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 커스텀 정렬 설명 리스트 /// </summary> private readonly List<CustomSortDescription> descriptionList; /// <summary> /// 고객 공급자 /// </summary> private CustomerProvider customerProvider; /// <summary> /// 페이지 크기 /// </summary> private int pageSize = 100; /// <summary> /// 페이지 타임아웃 /// </summary> private int pageTimeout = 5000; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Consturctor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { PresentationTraceSources.DataBindingSource.Switch.Level = SourceLevels.Off; InitializeComponent(); string defaultSortColumnName = "CustomerSince"; DataGridColumn defaultSortColumn = dataGrid.Columns.Single(dgc => GetColumnSortMemberPath(dgc) == defaultSortColumnName); this.descriptionList = new List<CustomSortDescription> { new CustomSortDescription { PropertyName = defaultSortColumnName, Direction = ListSortDirection.Descending, Column = defaultSortColumn } }; RefreshData(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 일자 범위 선택기 일자 변경시 처리하기 - dateRangePicker_DateChanged(sender, e) /// <summary> /// 일자 범위 선택기 일자 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dateRangePicker_DateChanged(object sender, EventArgs e) { RefreshData(); } #endregion #region 데이터 그리드 정렬 처리하기 - dataGrid_Sorting(sender, e) /// <summary> /// 데이터 그리드 정렬 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGrid_Sorting(object sender, DataGridSortingEventArgs e) { ApplySortColumn(e.Column); e.Handled = true; } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 컬럼 정렬 멤버 경로 구하기 - GetColumnSortMemberPath(column) /// <summary> /// 컬럼 정렬 멤버 경로 구하기 /// </summary> /// <param name="column">컬럼</param> /// <returns>컬럼 정렬 멤버 경로</returns> private string GetColumnSortMemberPath(DataGridColumn column) { string prefixToRemove = "Item."; string fullSortColumn = DataGridHelper.GetSortMemberPath(column); string sortColumn = fullSortColumn.Substring(prefixToRemove.Length); return sortColumn; } #endregion #region 현재 정렬 문자열 구하기 - GetCurrentSortString() /// <summary> /// 현재 정렬 문자열 구하기 /// </summary> /// <returns>현재 정렬 문자열</returns> private string GetCurrentSortString() { StringBuilder stringBuilder = new StringBuilder(); string separator = string.Empty; foreach(CustomSortDescription description in this.descriptionList) { stringBuilder.Append(separator); stringBuilder.Append(description.PropertyName); if(description.Direction == ListSortDirection.Descending) { stringBuilder = stringBuilder.Append(" DESC"); } separator = ", "; } return stringBuilder.ToString(); } #endregion #region 컬럼 정렬 방향 업데이트하기 - UpdateColumnSortDirection() /// <summary> /// 컬럼 정렬 방향 업데이트하기 /// </summary> private void UpdateColumnSortDirection() { foreach(CustomSortDescription description in this.descriptionList) { description.Column.SortDirection = description.Direction; } } #endregion #region 데이터 갱신하기 - RefreshData() /// <summary> /// 데이터 갱신하기 /// </summary> private void RefreshData() { string sortString = GetCurrentSortString(); this.customerProvider = new CustomerProvider ( this.dateRangePicker.FromDate, this.dateRangePicker.ToDate, sortString ); AsyncVirtualizingCollection<Customer> collection = new AsyncVirtualizingCollection<Customer> ( this.customerProvider, this.pageSize, this.pageTimeout ); DataContext = collection; UpdateColumnSortDirection(); this.dataGrid.SelectedIndex = 0; } #endregion #region 정렬 컬럼 적용하기 - ApplySortColumn(column) /// <summary> /// 정렬 컬럼 적용하기 /// </summary> /// <param name="column">컬럼</param> private void ApplySortColumn(DataGridColumn column) { string sortColumn = GetColumnSortMemberPath(column); CustomSortDescription existingDescription = this.descriptionList.SingleOrDefault(sd => sd.PropertyName == sortColumn); if(existingDescription == null) { existingDescription = new CustomSortDescription { PropertyName = sortColumn, Direction = ListSortDirection.Ascending, Column = column }; this.descriptionList.Add(existingDescription); } else { existingDescription.Direction = (existingDescription.Direction == ListSortDirection.Ascending) ? ListSortDirection.Descending : ListSortDirection.Ascending; } bool isShiftPressed = (Keyboard.Modifiers & ModifierKeys.Shift) != 0; if(!isShiftPressed) { for(int i = this.descriptionList.Count - 1; i >= 0; i--) { CustomSortDescription description = this.descriptionList[i]; if(description.PropertyName != sortColumn) { this.descriptionList.RemoveAt(i); } } } RefreshData(); } #endregion } } |
