■ PivotGridControl 클래스에서 커스텀 SUMMARY를 계산하는 방법을 보여준다.
▶ CustomSummaryHelper.cs
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using System; using System.Collections.Generic; using System.Linq; using DevExpress.XtraPivotGrid; namespace TestProject { /// <summary> /// 커스텀 SUMMARY 헬퍼 /// </summary> public static class CustomSummaryHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 그룹 SUMMARY 값 구하기 - GetGroupSummaryValue(groupingEnumerable, target, dataFieldName) /// <summary> /// 그룹 SUMMARY 값 구하기 /// </summary> /// <param name="groupingEnumerable">그룹핑 열거 가능형</param> /// <param name="target">타겟</param> /// <param name="dataFieldName">데이터 필드명</param> /// <returns>그룹 SUMMARY 값</returns> public static decimal GetGroupSummaryValue ( IEnumerable<IGrouping<object, PivotDrillDownDataRow>> groupingEnumerable, object target, string dataFieldName ) { var targetGroup = groupingEnumerable.FirstOrDefault(g => object.Equals(g.Key, target)); if(targetGroup == null) { return 0; } return targetGroup.Sum(r => Convert.ToDecimal(r[dataFieldName])); } #endregion #region 커스텀 값 계산 강제 여부 구하기 - ShouldCalculateCustomValue(groupField, e) /// <summary> /// 커스텀 값 계산 강제 여부 구하기 /// </summary> /// <param name="groupField">그룹 필드</param> /// <param name="e">이벤트 인자</param> /// <returns>커스텀 값 계산 강제 여부</returns> public static bool ShouldCalculateCustomValue(PivotGridField groupField, PivotGridCustomSummaryEventArgs e) { if(!groupField.Visible || groupField.Area == PivotArea.FilterArea || groupField.Area == PivotArea.DataArea) { return true; } if(groupField.Area == PivotArea.RowArea && (e.RowField == null || e.RowField.AreaIndex < groupField.AreaIndex)) { return true; } if(groupField.Area == PivotArea.ColumnArea && (e.ColumnField == null || e.ColumnField.AreaIndex < groupField.AreaIndex)) { return true; } return false; } #endregion } } |
▶ MainForm.cs
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using System; using System.Linq; using DevExpress.Data; using DevExpress.Data.PivotGrid; using DevExpress.XtraEditors; using DevExpress.XtraPivotGrid; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); SelectCustomSummaryApproach(this.pivotGridControl.OptionsData.DataProcessingEngine); this.optimizedModeToggleSwitch.Toggled += optimizedModeToggleSwitch_Toggled; this.pivotGridControl.FieldValueDisplayText += pivotGridControl_FieldValueDisplayText; this.pivotGridControl.DataSource = TestData.GetTestDataList(); this.pivotGridControl.BestFit(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 최적화 모드 토글 스위치 토글시 처리하기 - optimizedModeToggleSwitch_Toggled(sender, e) /// <summary> /// 최적화 모드 토글 스위치 토글시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void optimizedModeToggleSwitch_Toggled(object sender, EventArgs e) { ToggleSwitch toggleSwitch = sender as ToggleSwitch; if(toggleSwitch.IsOn) { this.pivotGridControl.Fields["Value"].SummaryType = PivotSummaryType.Sum; this.pivotGridControl.CustomSummary -= pivotGridControl_CustomSummary; this.pivotGridControl.OptionsData.DataProcessingEngine = PivotDataProcessingEngine.Optimized; SelectCustomSummaryApproach(PivotDataProcessingEngine.Optimized); } else { this.pivotGridControl.OptionsData.DataProcessingEngine = PivotDataProcessingEngine.LegacyOptimized; SelectCustomSummaryApproach(PivotDataProcessingEngine.LegacyOptimized); }; } #endregion #region 피벗 그리드 컨트롤 SUMMARY 커스텀 설정하기 - pivotGridControl_CustomSummary(sender, e) /// <summary> /// 피벗 그리드 컨트롤 SUMMARY 커스텀 설정하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pivotGridControl_CustomSummary(object sender, PivotGridCustomSummaryEventArgs e) { if(e.DataField.Name == "fieldValue") { if(CustomSummaryHelper.ShouldCalculateCustomValue(fieldType, e)) { var groupedDataSource = e.CreateDrillDownDataSource().Cast<PivotDrillDownDataRow>().GroupBy(r => r[fieldType]); decimal incomeSummary = CustomSummaryHelper.GetGroupSummaryValue(groupedDataSource, "수입", e.FieldName); decimal outlaySummary = CustomSummaryHelper.GetGroupSummaryValue(groupedDataSource, "지출", e.FieldName); e.CustomValue = incomeSummary - outlaySummary; } else { e.CustomValue = e.SummaryValue.Summary; } } } #endregion #region 피벗 그리드 컨트롤 필드 값 디스플레이 텍스트 설정하기 - pivotGridControl_FieldValueDisplayText(sender, e) /// <summary> /// 피벗 그리드 컨트롤 필드 값 디스플레이 텍스트 설정하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pivotGridControl_FieldValueDisplayText(object sender, PivotFieldDisplayTextEventArgs e) { if(e.ValueType == PivotGridValueType.GrandTotal) { if(e.IsColumn) { e.DisplayText = "소계"; } else { e.DisplayText = "총계"; } } if(e.ValueType == PivotGridValueType.Total) { if(e.IsColumn) { e.DisplayText = e.DisplayText.Replace("Total", "계"); } } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 값 소계 필드 추가하기 - AddValueTotalField() /// <summary> /// 값 소계 필드 추가하기 /// </summary> /// <returns>값 소계 필드</returns> private PivotGridField AddValueTotalField() { PivotGridField field = new PivotGridField { Name = "fieldValueTotal", FieldName = "Savings", Caption = "손익", Area = PivotArea.DataArea, AreaIndex = 0, }; field.Options.ShowValues = false; this.pivotGridControl.Fields.Add(field); return field; } #endregion #region 최적화 접근법 사용하기 - UseOptimizedApproach() /// <summary> /// 최적화 접근법 사용하기 /// </summary> private void UseOptimizedApproach() { this.pivotGridControl.Fields["Value"].Options.ShowTotals = false; this.pivotGridControl.Fields["Value"].Options.ShowGrandTotal = false; PivotGridField valueTotalField = this.pivotGridControl.Fields.GetFieldByName("fieldValueTotal"); if(valueTotalField == null) { valueTotalField = AddValueTotalField(); } ExpressionDataBinding savingsBinding = new ExpressionDataBinding("Sum(Iif([Type]='수입', [Value], -[Value]))"); valueTotalField.DataBinding = savingsBinding; } #endregion #region 언바운드 수식 접근법 사용하기 - UseUnboundExpressionApproach() /// <summary> /// 언바운드 수식 접근법 사용하기 /// </summary> private void UseUnboundExpressionApproach() { this.pivotGridControl.Fields["Value"].Options.ShowTotals = false; this.pivotGridControl.Fields["Value"].Options.ShowGrandTotal = false; PivotGridField valueTotalField = this.pivotGridControl.Fields.GetFieldByName("fieldValueTotal"); if(valueTotalField == null) { valueTotalField = AddValueTotalField(); } valueTotalField.UnboundExpression = "Sum(Iif([Type]='수입', [Value], -[Value]))"; valueTotalField.UnboundType = UnboundColumnType.Decimal; valueTotalField.UnboundExpressionMode = UnboundExpressionMode.UseAggregateFunctions; } #endregion #region 레거시 접근법 사용하기 - UseLegacyApproach() /// <summary> /// 레거시 접근법 사용하기 /// </summary> private void UseLegacyApproach() { this.pivotGridControl.Fields["Value"].SummaryType = PivotSummaryType.Custom; this.pivotGridControl.CustomSummary += pivotGridControl_CustomSummary; } #endregion #region 커스텀 SUMMARY 접근법 선택하기 - SelectCustomSummaryApproach(processingEngine) /// <summary> /// 커스텀 SUMMARY 접근법 선택하기 /// </summary> /// <param name="processingEngine">피벗 데이터 처리 엔진</param> private void SelectCustomSummaryApproach(PivotDataProcessingEngine processingEngine) { switch(processingEngine) { case PivotDataProcessingEngine.Optimized : UseOptimizedApproach(); break; case PivotDataProcessingEngine.LegacyOptimized : UseUnboundExpressionApproach(); break; default : UseLegacyApproach(); break; } } #endregion } } |
