■ Control 클래스를 사용해 색상 그리드를 만드는 방법을 보여준다.
▶ ColorCell.cs
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using System; using System.Windows; using System.Windows.Media; namespace TestProject { /// <summary> /// 색상 셀 /// </summary> public class ColorCell : FrameworkElement { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 선택 여부 속성 /// </summary> public static readonly DependencyProperty IsSelectedProperty; /// <summary> /// 하이라이트 여부 속성 /// </summary> public static readonly DependencyProperty IsHighlightedProperty; #endregion //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 셀 크기 /// </summary> private static readonly Size _cellSize = new Size(20, 20); #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 색상 드로잉 비주얼 /// </summary> private DrawingVisual colorDrawingVisual; /// <summary> /// 브러시 /// </summary> private Brush brush; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 여부 - IsSelected /// <summary> /// 선택 여부 /// </summary> public bool IsSelected { set { SetValue(IsSelectedProperty, value); } get { return (bool)GetValue(IsSelectedProperty); } } #endregion #region 하이라이트 여부 - IsHighlighted /// <summary> /// 하이라이트 여부 /// </summary> public bool IsHighlighted { set { SetValue(IsHighlightedProperty, value); } get { return (bool)GetValue(IsHighlightedProperty); } } #endregion #region 브러시 - Brush /// <summary> /// 브러시 /// </summary> public Brush Brush { get { return this.brush; } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 비주얼 자식 수 - VisualChildrenCount /// <summary> /// 비주얼 자식 수 /// </summary> protected override int VisualChildrenCount { get { return 1; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Static #region 생성자 - ColorCell() /// <summary> /// 생성자 /// </summary> static ColorCell() { IsSelectedProperty = DependencyProperty.Register ( "IsSelected", typeof(bool), typeof(ColorCell), new FrameworkPropertyMetadata ( false, FrameworkPropertyMetadataOptions.AffectsRender ) ); IsHighlightedProperty = DependencyProperty.Register ( "IsHighlighted", typeof(bool), typeof(ColorCell), new FrameworkPropertyMetadata ( false, FrameworkPropertyMetadataOptions.AffectsRender ) ); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - ColorCell(color) /// <summary> /// 생성자 /// </summary> /// <param name="color">색상</param> public ColorCell(Color color) { this.colorDrawingVisual = new DrawingVisual(); DrawingContext drawingContext = this.colorDrawingVisual.RenderOpen(); Rect rect = new Rect(new Point(0, 0), _cellSize); rect.Inflate(-4, -4); Pen pen = new Pen(SystemColors.ControlTextBrush, 1); this.brush = new SolidColorBrush(color); drawingContext.DrawRectangle(this.brush, pen, rect); drawingContext.Close(); AddVisualChild(this.colorDrawingVisual); AddLogicalChild(this.colorDrawingVisual); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Method //////////////////////////////////////////////////////////////////////////////// Protected #region 비주얼 자식 구하기 - GetVisualChild(index) /// <summary> /// 비주얼 자식 구하기 /// </summary> /// <param name="index">인덱스</param> /// <returns>비주얼 자식</returns> protected override Visual GetVisualChild(int index) { if(index > 0) { throw new ArgumentOutOfRangeException("index"); } return this.colorDrawingVisual; } #endregion #region 측정하기 (오버라이딩) - MeasureOverride(availableSize) /// <summary> /// 측정하기 (오버라이딩) /// </summary> /// <param name="availableSize">이용 가능한 크기</param> /// <returns>측정 크기</returns> protected override Size MeasureOverride(Size availableSize) { return _cellSize; } #endregion #region 렌더링 처리하기 - OnRender(drawingContext) /// <summary> /// 렌더링 처리하기 /// </summary> /// <param name="drawingContext">DrawingContext</param> protected override void OnRender(DrawingContext drawingContext) { Rect rect = new Rect(new Point(0, 0), RenderSize); rect.Inflate(-1, -1); Pen pen = new Pen(SystemColors.HighlightBrush, 1); if(IsHighlighted) { drawingContext.DrawRectangle(SystemColors.ControlDarkBrush, pen, rect); } else if(IsSelected) { drawingContext.DrawRectangle(SystemColors.ControlLightBrush, pen, rect); } else { drawingContext.DrawRectangle(Brushes.Transparent, null, rect); } } #endregion } } |
▶ ColorGrid.cs
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using System; using System.Windows; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Input; using System.Windows.Media; namespace TestProject { /// <summary> /// 색상 그리드 /// </summary> public class ColorGrid : Control { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 색상 변경시 - SelectedColorChanged /// <summary> /// 선택 색상 변경시 /// </summary> public event EventHandler SelectedColorChanged; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 행 수 /// </summary> private const int ROW_COUNT = 5; /// <summary> /// 컬럼 수 /// </summary> private const int COLUMN_COUNT = 8; /// <summary> /// 색상 문자열 배열 /// </summary> private string[,] colorStringArray = new string[ROW_COUNT, COLUMN_COUNT] { { "Black" , "Brown" , "DarkGreen" , "MidnightBlue", "Navy" , "DarkBlue" , "Indigo" , "DimGray" }, { "DarkRed" , "OrangeRed", "Olive" , "Green" , "Teal" , "Blue" , "SlateGray", "Gray" }, { "Red" , "Orange" , "YellowGreen", "SeaGreen" , "Aqua" , "LightBlue" , "Violet" , "DarkGray" }, { "Pink" , "Gold" , "Yellow" , "Lime" , "Turquoise", "SkyBlue" , "Plum" , "LightGray" }, { "LightPink", "Tan" , "LightYellow", "LightGreen" , "LightCyan", "LightSkyBlue", "Lavender" , "White" } }; /// <summary> /// 색상 셀 배열 /// </summary> private ColorCell[,] colorCellArray = new ColorCell[ROW_COUNT, COLUMN_COUNT]; /// <summary> /// 선택 색상 셀 /// </summary> private ColorCell selectedColorCell; /// <summary> /// 하이라이트 색상 셀 /// </summary> private ColorCell highlightedColorCell; /// <summary> /// 테두리 /// </summary> private Border border; /// <summary> /// 유니폼 그리드 /// </summary> private UniformGrid uniformGrid; /// <summary> /// 선택 색상 /// </summary> private Color selectedColor = Colors.Black; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 선택 색상 - SelectedColor /// <summary> /// 선택 색상 /// </summary> public Color SelectedColor { get { return this.selectedColor; } } #endregion #region 비주얼 자식 수 - VisualChildrenCount /// <summary> /// 비주얼 자식 수 /// </summary> protected override int VisualChildrenCount { get { return 1; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - ColorGrid() /// <summary> /// 생성자 /// </summary> public ColorGrid() { this.border = new Border(); this.border.BorderBrush = SystemColors.ControlDarkDarkBrush; this.border.BorderThickness = new Thickness(1); AddVisualChild(this.border); AddLogicalChild(this.border); this.uniformGrid = new UniformGrid(); this.uniformGrid.Background = SystemColors.WindowBrush; this.uniformGrid.Columns = COLUMN_COUNT; this.border.Child = this.uniformGrid; for(int y = 0; y < ROW_COUNT; y++) { for(int x = 0; x < COLUMN_COUNT; x++) { Color color = (Color)typeof(Colors).GetProperty(colorStringArray[y, x]).GetValue(null, null); this.colorCellArray[y, x] = new ColorCell(color); this.uniformGrid.Children.Add(this.colorCellArray[y, x]); if(color == SelectedColor) { this.selectedColorCell = this.colorCellArray[y, x]; this.colorCellArray[y, x].IsSelected = true; } ToolTip toolTip = new ToolTip(); toolTip.Content = colorStringArray[y, x]; this.colorCellArray[y, x].ToolTip = toolTip; } } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 비주얼 자식 구하기 - GetVisualChild(index) /// <summary> /// 비주얼 자식 구하기 /// </summary> /// <param name="index">인덱스</param> /// <returns></returns> protected override Visual GetVisualChild(int index) { if(index > 0) { throw new ArgumentOutOfRangeException("index"); } return this.border; } #endregion #region 측정하기 (오버라이딩) - MeasureOverride(availableSize) /// <summary> /// 측정하기 (오버라이딩) /// </summary> /// <param name="availableSize">이용 가능한 크기</param> /// <returns>측정 크기</returns> protected override Size MeasureOverride(Size availableSize) { this.border.Measure(availableSize); return this.border.DesiredSize; } #endregion #region 배열하기 (오버라이딩) - ArrangeOverride(finalSize) /// <summary> /// 배열하기 (오버라이딩) /// </summary> /// <param name="finalSize">최종 크기</param> /// <returns>최종 크기</returns> protected override Size ArrangeOverride(Size finalSize) { this.border.Arrange(new Rect(new Point(0, 0), finalSize)); return finalSize; } #endregion #region 마우스 ENTER 처리하기 - OnMouseEnter(e) /// <summary> /// 마우스 ENTER 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseEnter(MouseEventArgs e) { base.OnMouseEnter(e); if(this.highlightedColorCell != null) { this.highlightedColorCell.IsHighlighted = false; this.highlightedColorCell = null; } } #endregion #region 마우스 이동시 처리하기 - OnMouseMove(e) /// <summary> /// 마우스 이동시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseMove(MouseEventArgs e) { base.OnMouseMove(e); ColorCell colorCell = e.Source as ColorCell; if(colorCell != null) { if(this.highlightedColorCell != null) { this.highlightedColorCell.IsHighlighted = false; } this.highlightedColorCell = colorCell; this.highlightedColorCell.IsHighlighted = true; } } #endregion #region 마우스 DOWN 처리하기 - OnMouseDown(e) /// <summary> /// 마우스 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseDown(MouseButtonEventArgs e) { base.OnMouseDown(e); ColorCell colorCell = e.Source as ColorCell; if(colorCell != null) { if(this.selectedColorCell != null) { this.selectedColorCell.IsSelected = false; } this.selectedColorCell = colorCell; this.selectedColorCell.IsSelected = true; } Focus(); } #endregion #region 마우스 UP 처리하기 - OnMouseUp(e) /// <summary> /// 마우스 UP 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseUp(MouseButtonEventArgs e) { base.OnMouseUp(e); ColorCell colorCell = e.Source as ColorCell; if(colorCell != null) { if(this.selectedColorCell != null) { this.selectedColorCell.IsSelected = false; } this.selectedColorCell = colorCell; this.selectedColorCell.IsSelected = true; this.selectedColor = (this.selectedColorCell.Brush as SolidColorBrush).Color; OnSelectedColorChanged(EventArgs.Empty); } } #endregion #region 마우스 LEAVE 처리하기 - OnMouseLeave(e) /// <summary> /// 마우스 LEAVE 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseLeave(MouseEventArgs e) { base.OnMouseLeave(e); if(this.highlightedColorCell != null) { this.highlightedColorCell.IsHighlighted = false; this.highlightedColorCell = null; } } #endregion #region 키보드 포커스 획득시 처리하기 - OnGotKeyboardFocus(e) /// <summary> /// 키보드 포커스 획득시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e) { base.OnGotKeyboardFocus(e); if(this.highlightedColorCell == null) { if(this.selectedColorCell != null) { this.highlightedColorCell = this.selectedColorCell; } else { this.highlightedColorCell = this.colorCellArray[0, 0]; } this.highlightedColorCell.IsHighlighted = true; } } #endregion #region 키 DOWN 처리하기 - OnKeyDown(e) /// <summary> /// 키 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnKeyDown(KeyEventArgs e) { base.OnKeyDown(e); int index = this.uniformGrid.Children.IndexOf(this.highlightedColorCell); int y = index / COLUMN_COUNT; int x = index % COLUMN_COUNT; switch(e.Key) { case Key.Home : y = 0; x = 0; break; case Key.End : y = ROW_COUNT - 1; x = COLUMN_COUNT + 1; break; case Key.Down : if((y = (y + 1) % ROW_COUNT) == 0) { x++; } break; case Key.Up : if((y = (y + ROW_COUNT - 1) % ROW_COUNT) == ROW_COUNT - 1) { x--; } break; case Key.Right : if((x = (x + 1) % COLUMN_COUNT) == 0) { y++; } break; case Key.Left : if((x = (x + COLUMN_COUNT - 1) % COLUMN_COUNT) == COLUMN_COUNT - 1) { y--; } break; case Key.Enter : case Key.Space : if(this.selectedColorCell != null) { this.selectedColorCell.IsSelected = false; } this.selectedColorCell = this.highlightedColorCell; this.selectedColorCell.IsSelected = true; this.selectedColor = (this.selectedColorCell.Brush as SolidColorBrush).Color; OnSelectedColorChanged(EventArgs.Empty); break; default : return; } if(x >= COLUMN_COUNT || y >= ROW_COUNT) { MoveFocus(new TraversalRequest(FocusNavigationDirection.Next)); } else if(x < 0 || y < 0) { MoveFocus(new TraversalRequest(FocusNavigationDirection.Previous)); } else { this.highlightedColorCell.IsHighlighted = false; this.highlightedColorCell = this.colorCellArray[y, x]; this.highlightedColorCell.IsHighlighted = true; } e.Handled = true; } #endregion #region 키보드 포커스 상실시 처리하기 - OnLostKeyboardFocus(e) /// <summary> /// 키보드 포커스 상실시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e) { base.OnGotKeyboardFocus(e); if(this.highlightedColorCell != null) { this.highlightedColorCell.IsHighlighted = false; this.highlightedColorCell = null; } } #endregion #region 선택 색상 변경시 처리하기 - OnSelectedColorChanged(e) /// <summary> /// 선택 색상 변경시 처리하기 /// </summary> /// <param name="e">이벤트 발생자</param> protected virtual void OnSelectedColorChanged(EventArgs e) { if(SelectedColorChanged != null) { SelectedColorChanged(this, e); } } #endregion } } |
▶ MainWindow.cs
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using System; using System.Windows; using System.Windows.Controls; using System.Windows.Media; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { SizeToContent = SizeToContent.WidthAndHeight; Padding = new Thickness(10); FontFamily = new FontFamily("나눔고딕코딩"); FontSize = 16; Title = "Control 클래스 : 색상 그리드 사용하기"; StackPanel stackPanel = new StackPanel(); stackPanel.Orientation = Orientation.Horizontal; Content = stackPanel; Button button1 = new Button(); button1.Content = "테스트 버튼"; button1.Margin = new Thickness(24); button1.HorizontalAlignment = HorizontalAlignment.Center; button1.VerticalAlignment = VerticalAlignment.Center; stackPanel.Children.Add(button1); ColorGrid colorGrid = new ColorGrid(); colorGrid.Margin = new Thickness(24); colorGrid.HorizontalAlignment = HorizontalAlignment.Center; colorGrid.VerticalAlignment = VerticalAlignment.Center; colorGrid.SelectedColorChanged += colorGrid_SelectedColorChanged; stackPanel.Children.Add(colorGrid); Button button2 = new Button(); button2.Content = "테스트 버튼"; button2.Margin = new Thickness(24); button2.HorizontalAlignment = HorizontalAlignment.Center; button2.VerticalAlignment = VerticalAlignment.Center; stackPanel.Children.Add(button2); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> [STAThread] private static void Main() { Application application = new Application(); application.Run(new MainWindow()); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region 색상 그리드 선택 색상 변경시 처리하기 - colorGrid_SelectedColorChanged(sender, e) /// <summary> /// 색상 그리드 선택 색상 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void colorGrid_SelectedColorChanged(object sender, EventArgs e) { ColorGrid colorGrid = sender as ColorGrid; Background = new SolidColorBrush(colorGrid.SelectedColor); } #endregion } } |
