■ GridView 클래스에서 정렬/필터 아이콘을 커스텀 그리는 방법을 보여준다.
▶ 예제 코드 (C#)
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using System; using System.Drawing; using System.Windows.Forms; using DevExpress.Data; using DevExpress.Utils.Drawing; using DevExpress.XtraEditors; using DevExpress.XtraEditors.Drawing; using DevExpress.XtraGrid.Columns; using DevExpress.XtraGrid.Views.Grid; ... private GridView gridView; private CheckEdit drawCustomFilterCheckExit; private CheckEdit drawCustomSortCheckEdit; ... this.gridView.CustomDrawColumnHeader += gridView_CustomDrawColumnHeader; this.drawCustomSortCheckEdit.CheckedChanged += drawCustomCheckEdit_CheckedChanged; this.drawCustomFilterCheckExit.CheckedChanged += drawCustomCheckEdit_CheckedChanged; ... #region 커스텀 그리기 체크 에디트 체크 변경시 처리하기 - drawCustomCheckEdit_CheckedChanged(sender, e) /// <summary> /// 커스텀 그리기 체크 에디트 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void drawCustomCheckEdit_CheckedChanged(object sender, EventArgs e) { this.gridView.InvalidateColumnHeader(null); } #endregion #region 그리드 뷰 컬럼 헤더 커스텀 그리기 - gridView_CustomDrawColumnHeader(sender, e) /// <summary> /// 그리드 뷰 컬럼 헤더 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_CustomDrawColumnHeader(object sender, ColumnHeaderCustomDrawEventArgs e) { if(e.Column == null) { return; } ObjectInfoArgs objectInfoArgs = null; Rectangle filterRectangle; Rectangle sortRectangle; filterRectangle = Rectangle.Empty; sortRectangle = Rectangle.Empty; try { UpdateInnerElements ( e, false, ref sortRectangle, ref filterRectangle, ref objectInfoArgs, this.drawCustomSortCheckEdit.Checked, this.drawCustomFilterCheckExit.Checked ); e.Painter.DrawObject(e.Info); } finally { UpdateInnerElements ( e, true, ref sortRectangle, ref filterRectangle, ref objectInfoArgs, this.drawCustomSortCheckEdit.Checked, this.drawCustomFilterCheckExit.Checked ); } if(!sortRectangle.IsEmpty) { DrawCustomSort(e.Graphics, sortRectangle, e.Column.SortOrder, this.sortImageList); } if(!filterRectangle.IsEmpty && objectInfoArgs != null) { DrawCustomFilter(e.Graphics, e.Column, objectInfoArgs, this.filterImageList); } e.Handled = true; } #endregion #region 내부 엘리먼트들 업데이트 하기 - UpdateInnerElements(e, restore, sortRectangle, filterRectangle, objectInfoArgs, drawCustomSort, drawCustomFilter) /// <summary> /// 내부 엘리먼트들 업데이트 하기 /// </summary> /// <param name="e">이벤트 인자</param> /// <param name="restore">복구 여부</param> /// <param name="sortRectangle">정렬 사각형</param> /// <param name="filterRectangle">필터 사각형</param> /// <param name="objectInfoArgs">객체 정보 인자</param> /// <param name="drawCustomSort">커스텀 정렬 그리기 여부</param> /// <param name="drawCustomFilter">커스텀 필터 그리기 여부</param> private void UpdateInnerElements ( ColumnHeaderCustomDrawEventArgs e, bool restore, ref Rectangle sortRectangle, ref Rectangle filterRectangle, ref ObjectInfoArgs objectInfoArgs, bool drawCustomSort, bool drawCustomFilter ) { foreach(DrawElementInfo drawElementInfo in e.Info.InnerElements) { if(drawElementInfo.ElementPainter is SortedShapeObjectPainter) { if(drawCustomSort) { if(restore) { drawElementInfo.ElementInfo.Bounds = sortRectangle; } else { sortRectangle = drawElementInfo.ElementInfo.Bounds; drawElementInfo.ElementInfo.Bounds = Rectangle.Empty; } } } if(drawElementInfo.ElementInfo is GridFilterButtonInfoArgs) { if(drawCustomFilter) { if(restore) { drawElementInfo.ElementInfo.Bounds = filterRectangle; } else { objectInfoArgs = drawElementInfo.ElementInfo; filterRectangle = drawElementInfo.ElementInfo.Bounds; drawElementInfo.ElementInfo.Bounds = Rectangle.Empty; } } } } } #endregion #region 커스텀 정렬 그리기 - DrawCustomSort(graphics, sortRectangle, columnSortOrder, imageList) /// <summary> /// 커스텀 정렬 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="sortRectangle">정렬 사각형</param> /// <param name="columnSortOrder">컬럼 정렬 순서</param> /// <param name="imageList">이미지 리스트</param> private void DrawCustomSort ( Graphics graphics, Rectangle sortRectangle, ColumnSortOrder columnSortOrder, ImageList imageList ) { if(columnSortOrder == ColumnSortOrder.None) { return; } int imageIndex = 0; if(columnSortOrder == ColumnSortOrder.Descending) { imageIndex = 1; } graphics.DrawImageUnscaled ( imageList.Images[imageIndex], sortRectangle.X + (sortRectangle.Width - imageList.ImageSize.Width ) / 2, sortRectangle.Y + (sortRectangle.Height - imageList.ImageSize.Height) / 2 ); } #endregion #region 커스텀 필터 그리기 - DrawCustomFilter(graphics, gridColumn, objectInfoArgs, imageList) /// <summary> /// 커스텀 필터 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="gridColumn">그리드 컬럼</param> /// <param name="objectInfoArgs">객체 정보 인자</param> /// <param name="imageList">이미지 리스트</param> private void DrawCustomFilter ( Graphics graphics, GridColumn gridColumn, ObjectInfoArgs objectInfoArgs, ImageList imageList ) { int imageIndex = 0; if((objectInfoArgs.State & ObjectState.Hot) != 0) { imageIndex = 1; } if((objectInfoArgs.State & ObjectState.Pressed)!= 0) { imageIndex = 2; } if(gridColumn.FilterInfo.Type != ColumnFilterType.None) { imageIndex += 3; } graphics.DrawImageUnscaled ( imageList.Images[imageIndex], objectInfoArgs.Bounds.X + (objectInfoArgs.Bounds.Width - imageList.ImageSize.Width ) / 2, objectInfoArgs.Bounds.Y + (objectInfoArgs.Bounds.Height - imageList.ImageSize.Height) / 2 ); } #endregion |
