■ Grid 클래스에서 셀 패딩 속성을 추가하는 방법을 보여준다.
▶ MarginUIElementCollection .cs
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using System.Windows; using System.Windows.Controls; namespace TestProject { /// <summary> /// 마진 UI 엘리먼트 컬렉션 /// </summary> public class MarginUIElementCollection : UIElementCollection { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 커스텀 그리드 /// </summary> private CellPaddingGrid customGrid; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MarginUIElementCollection(logicalParent) /// <summary> /// 생성자 /// </summary> /// <param name="logicalParent">논리적 부모</param> public MarginUIElementCollection(FrameworkElement logicalParent) : base(logicalParent,null) { this.customGrid = logicalParent as CellPaddingGrid; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 추가하기 - Add(element) /// <summary> /// 추가하기 /// </summary> /// <param name="element">UI 엘리먼트</param> /// <returns>추가 인덱스</returns> public override int Add(UIElement element) { CellPaddingGrid.ApplyMargin(this.customGrid, element); return base.Add(element); } #endregion #region 삽입하기 - Insert(index, element) /// <summary> /// 삽입하기 /// </summary> /// <param name="index">인덱스</param> /// <param name="element">UI 엘리먼트</param> public override void Insert(int index, UIElement element) { CellPaddingGrid.ApplyMargin(this.customGrid, element); base.Insert(index, element); } #endregion } } |
▶ CellPaddingGrid.cs
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using System.Windows; using System.Windows.Controls; namespace TestProject { /// <summary> /// 셀 패딩 그리드 /// </summary> public class CellPaddingGrid : Grid { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 셀 패딩 속성 /// </summary> public static readonly DependencyProperty CellPaddingProperty = DependencyProperty.Register ( "CellPadding", typeof(Thickness), typeof(CellPaddingGrid), new FrameworkPropertyMetadata ( new Thickness(0.0), FrameworkPropertyMetadataOptions.AffectsArrange, CellPaddingPropertyChangedCallback ) ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 셀 패딩 - CellPadding /// <summary> /// 셀 패딩 /// </summary> public Thickness CellPadding { get { return (Thickness)GetValue(CellPaddingProperty); } set { SetValue(CellPaddingProperty, value); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 마진 적용하기 - ApplyMargin(grid, element) /// <summary> /// 마진 적용하기 /// </summary> /// <param name="grid">그리드</param> /// <param name="element">UI 엘리먼트</param> public static void ApplyMargin(CellPaddingGrid grid, UIElement element) { FrameworkElement frameworkElement = element as FrameworkElement; Thickness cellPadding = grid.CellPadding; CellPaddingGrid grid2 = element as CellPaddingGrid; if(grid2 != null) { grid2.CellPadding = cellPadding; } else { frameworkElement.Margin = cellPadding; } } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 셀 패딩 속성 변경시 콜백 처리하기 - CellPaddingPropertyChangedCallback(d, e) /// <summary> /// 셀 패딩 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void CellPaddingPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { CellPaddingGrid grid = d as CellPaddingGrid; foreach(UIElement element in grid.Children) { ApplyMargin(grid, element); } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Protected #region 비주얼 자식 변경시 처리하기 - OnVisualChildrenChanged(addVisual, removeVisual) /// <summary> /// 비주얼 자식 변경시 처리하기 /// </summary> /// <param name="addVisual">추가 비주얼</param> /// <param name="removeVisual">제거 비주얼</param> protected override void OnVisualChildrenChanged(DependencyObject addVisual, DependencyObject removeVisual) { FrameworkElement childElement = addVisual as FrameworkElement; ApplyMargin(this, childElement); base.OnVisualChildrenChanged(addVisual, removeVisual); } #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" Title="Grid 클래스 : 셀 패딩 속성 추가하기" Width="800" Height="600" FontFamily="나눔고딕코딩" FontSize="16"> <local:CellPaddingGrid x:Name="grid" Margin="10" CellPadding="3"> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition /> <ColumnDefinition /> <ColumnDefinition /> </Grid.ColumnDefinitions> <Button Name="button1" Grid.Row="0" Grid.Column="0" Content="셀 패딩 == 10" /> <Button Name="button2" Grid.Row="0" Grid.Column="1" Content="셀 패딩 == 3" /> <Button Grid.Row="0" Grid.Column="2" Content="버튼 3" /> <Button Grid.Row="1" Grid.ColumnSpan="2" Content="버튼 4" /> <Button Grid.Row="1" Grid.Column="2" Grid.RowSpan="2" Content="버튼 5" /> <Button Grid.Row="2" Grid.Column="0" Content="버튼 6" /> <local:CellPaddingGrid Grid.Row="2" Grid.Column="1"> <Grid.ColumnDefinitions> <ColumnDefinition /> <ColumnDefinition /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <Button Grid.Row="0" Grid.Column="0" Content="버튼 7" /> <Button Grid.Row="0" Grid.Column="1" Content="버튼 8" /> <Button Grid.Row="1" Grid.Column="0" Content="버튼 9" /> <Button Grid.Row="1" Grid.Column="1" Content="버튼 10" /> </local:CellPaddingGrid> </local:CellPaddingGrid> </Window> |
▶ MainWindow.xaml.cs
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using System.Windows; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); button1.Click += button1_Click; button2.Click += button2_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 버튼 1 클릭시 처리하기 - button1_Click(sender, e) /// <summary> /// 버튼 1 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void button1_Click(object sender, RoutedEventArgs e) { this.grid.CellPadding = new Thickness(10.0); } #endregion #region 버튼 2 클릭시 처리하기 - button2_Click(sender, e) /// <summary> /// 버튼 2 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void button2_Click(object sender, RoutedEventArgs e) { this.grid.CellPadding = new Thickness(3.0); } #endregion } } |
