■ Adorner 클래스를 사용해 슬라이딩 어도너를 만드는 방법을 보여준다.
▶ UIElementAdorner.cs
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using System; using System.Collections; using System.Collections.Generic; using System.Windows; using System.Windows.Documents; using System.Windows.Media; namespace TestProject { /// <summary> /// UI 엘리먼트 어도너 /// </summary> public class UIElementAdorner : Adorner { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 자식 엘리먼트 /// </summary> private readonly UIElement childElement; /// <summary> /// 왼쪽 오프셋 /// </summary> private double leftOffset; /// <summary> /// 위쪽 오프셋 /// </summary> private double topOffset; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 왼쪽 오프셋 - LeftOffset /// <summary> /// 왼쪽 오프셋 /// </summary> public double LeftOffset { get { return this.leftOffset; } set { this.leftOffset = value; UpdateLocation(); } } #endregion #region 위쪽 오프셋 - TopOffset /// <summary> /// 위쪽 오프셋 /// </summary> public double TopOffset { get { return this.topOffset; } set { this.topOffset = value; UpdateLocation(); } } #endregion #region 논리적 자식 열거자 - LogicalChildren /// <summary> /// 논리적 자식 열거자 /// </summary> protected override IEnumerator LogicalChildren { get { List<UIElement> list = new List<UIElement> { this.childElement }; return list.GetEnumerator(); } } #endregion #region 비주얼 자식 수 - VisualChildrenCount /// <summary> /// 비주얼 자식 수 /// </summary> protected override int VisualChildrenCount { get { return 1; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - UIElementAdorner(adornedElement, childElement) /// <summary> /// 생성자 /// </summary> /// <param name="adornedElement">장식 엘리먼트</param> /// <param name="childElement">자식 엘리먼트</param> public UIElementAdorner(UIElement adornedElement, UIElement childElement) : base(adornedElement) { if(childElement == null) { throw new ArgumentNullException("childElement"); } this.childElement = childElement; AddLogicalChild(childElement); AddVisualChild(childElement); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 희망 변환 구하기 - GetDesiredTransform(transform) /// <summary> /// 희망 변환 구하기 /// </summary> /// <param name="transform">변환</param> /// <returns>희망 변환</returns> public override GeneralTransform GetDesiredTransform(GeneralTransform transform) { GeneralTransformGroup transformGroup = new GeneralTransformGroup(); transformGroup.Children.Add(base.GetDesiredTransform(transform)); transformGroup.Children.Add(new TranslateTransform(this.leftOffset, this.topOffset)); return transformGroup; } #endregion #region 오프셋 설정하기 - SetOffset(leftOffset, topOffset) /// <summary> /// 오프셋 설정하기 /// </summary> /// <param name="leftOffset">왼쪽 오프셋</param> /// <param name="topOffset">위쪽 오프셋</param> public void SetOffset(double leftOffset, double topOffset) { this.leftOffset = leftOffset; this.topOffset = topOffset; UpdateLocation(); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 측정하기 (오버라이드) - MeasureOverride(availableSize) /// <summary> /// 측정하기 (오버라이드) /// </summary> /// <param name="availableSize">희망 크기</param> /// <returns>크기</returns> protected override Size MeasureOverride(Size availableSize) { this.childElement.Measure(availableSize); return this.childElement.DesiredSize; } #endregion #region 배열하기 (오버라이드) - ArrangeOverride(finalSize) /// <summary> /// 배열하기 (오버라이드) /// </summary> /// <param name="finalSize">최종 크기</param> /// <returns>크기</returns> protected override Size ArrangeOverride(Size finalSize) { this.childElement.Arrange(new Rect(finalSize)); return finalSize; } #endregion #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) { return this.childElement; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 위치 업데이트하기 - UpdateLocation() /// <summary> /// 위치 업데이트하기 /// </summary> private void UpdateLocation() { AdornerLayer adornerLayer = Parent as AdornerLayer; if(adornerLayer != null) { adornerLayer.Update(AdornedElement); } } #endregion } } |
▶ SlidingElement.cs
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using System.Windows.Controls; namespace TestProject { /// <summary> /// 슬라이딩 엘리먼트 /// </summary> public class SlidingElement : Control { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - SlidingElement(dataContext) /// <summary> /// 생성자 /// </summary> /// <param name="dataContext">데이터 컨텍스트</param> public SlidingElement(object dataContext) { DataContext = dataContext; } #endregion } } |
▶ SlidingAdorner.cs
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using System; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; namespace TestProject { /// <summary> /// 슬라이딩 어도너 /// </summary> public class SlidingAdorner : Control { //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration ////////////////////////////////////////////////////////////////////////////////////////// Public #region SlidingAdornerSlideDirection /// <summary> /// 슬라이딩 어도너 슬라이드 방향 /// </summary> public enum SlidingAdornerSlideDirection { /// <summary> /// 오른쪽 /// </summary> Right, /// <summary> /// 왼쪽 /// </summary> Left, /// <summary> /// 위쪽 /// </summary> Up, /// <summary> /// 아래쪽 /// </summary> Down } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 슬라이드 방향 속성 - SlideDirectionProperty /// <summary> /// 슬라이드 방향 속성 /// </summary> public static readonly DependencyProperty SlideDirectionProperty = DependencyProperty.Register ( "SlideDirection", typeof(SlidingAdornerSlideDirection), typeof(SlidingAdorner), new UIPropertyMetadata(SlidingAdornerSlideDirection.Right) ); #endregion #region 슬라이드 거리 속성 - SlideDistanceProperty /// <summary> /// 슬라이드 거리 속성 /// </summary> public static readonly DependencyProperty SlideDistanceProperty = DependencyProperty.Register ( "SlideDistance", typeof(double), typeof(SlidingAdorner), new UIPropertyMetadata(100.0) ); #endregion #region 슬라이드 지속 시간 속성 - SlideDurationProperty /// <summary> /// 슬라이드 지속 시간 속성 /// </summary> public static readonly DependencyProperty SlideDurationProperty = DependencyProperty.Register ( "SlideDuration", typeof(int), typeof(SlidingAdorner), new UIPropertyMetadata(500) ); #endregion #region 슬라이드 엘리먼트 오프셋 속성 - SlideElementOffsetProperty /// <summary> /// 슬라이드 엘리먼트 오프셋 속성 /// </summary> public static readonly DependencyProperty SlideElementOffsetProperty = DependencyProperty.Register ( "SlideElementOffset", typeof(double), typeof(SlidingAdorner), new UIPropertyMetadata(0.0) ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// UI 엘리먼트 어도너 /// </summary> private UIElementAdorner uiElementAdorner; /// <summary> /// 슬라이딩 엘리먼트 /// </summary> private SlidingElement slidingElement; /// <summary> /// 슬라이딩 엘리먼트 표시 여부 /// </summary> private bool isSlidingElementVisible; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 슬라이드 방향 - SlideDirection /// <summary> /// 슬라이드 방향 /// </summary> public SlidingAdornerSlideDirection SlideDirection { get { return (SlidingAdornerSlideDirection)GetValue(SlideDirectionProperty); } set { SetValue(SlideDirectionProperty, value); } } #endregion #region 슬라이드 거리 - SlideDistance /// <summary> /// 슬라이드 거리 /// </summary> public double SlideDistance { get { return (double)GetValue(SlideDistanceProperty); } set { SetValue(SlideDistanceProperty, value); } } #endregion #region 슬라이드 지속 시간 - SlideDuration /// <summary> /// 슬라이드 지속 시간 /// </summary> public int SlideDuration { get { return (int)GetValue(SlideDurationProperty); } set { SetValue(SlideDurationProperty, value); } } #endregion #region 슬라이드 엘리먼트 오프셋 - SlideElementOffset /// <summary> /// 슬라이드 엘리먼트 오프셋 /// </summary> public double SlideElementOffset { get { return (double)GetValue(SlideElementOffsetProperty); } set { SetValue(SlideElementOffsetProperty, value); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - SlidingAdorner() /// <summary> /// 생성자 /// </summary> public SlidingAdorner() { MouseEnter += Control_MouseEnter; MouseLeave += Control_MouseLeave; } #endregion #region 생성자 - SlidingAdorner(dataContext) /// <summary> /// 생성자 /// </summary> /// <param name="dataContext">데이터 컨텍스트</param> public SlidingAdorner(object dataContext) { DataContext = dataContext; MouseEnter += Control_MouseEnter; MouseLeave += Control_MouseLeave; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 변환 그룹 구하기 - GetTransformGroup(scaleX, scaleY, x, y) /// <summary> /// 변환 그룹 구하기 /// </summary> /// <param name="scaleX">스케일 X</param> /// <param name="scaleY">스케일 Y</param> /// <param name="x">X</param> /// <param name="y">Y</param> /// <returns>변환 그룹</returns> private static TransformGroup GetTransformGroup(double scaleX, double scaleY, int x, int y) { TransformGroup transformGroup = new TransformGroup(); ScaleTransform scaleTransform = new ScaleTransform { ScaleX = scaleX, ScaleY = scaleY }; transformGroup.Children.Add(scaleTransform); TranslateTransform translateTransform = new TranslateTransform { X = x, Y = y }; transformGroup.Children.Add(translateTransform); return transformGroup; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 템플리트 적용시 처리하기 - OnApplyTemplate() /// <summary> /// 템플리트 적용시 처리하기 /// </summary> public override void OnApplyTemplate() { base.OnApplyTemplate(); this.slidingElement = new SlidingElement(DataContext); this.slidingElement.MouseLeave += slidingElement_MouseLeave; this.slidingElement.RenderTransform = GetTransformGroup(1, 1, 1, 1); switch(SlideDirection) { case SlidingAdornerSlideDirection.Right : case SlidingAdornerSlideDirection.Left : this.slidingElement.Width = SlideDistance; break; case SlidingAdornerSlideDirection.Down : case SlidingAdornerSlideDirection.Up : this.slidingElement.Height = SlideDistance; break; } this.uiElementAdorner = new UIElementAdorner(this, this.slidingElement); } #endregion //////////////////////////////////////////////////////////////////////////////// Private ////////////////////////////////////////////////////////////////////// Event #region 컨트롤 마우스 진입시 처리하기 - Control_MouseEnter(sender, e) /// <summary> /// 컨트롤 마우스 진입시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Control_MouseEnter(object sender, MouseEventArgs e) { if(!this.isSlidingElementVisible) { ShowSlidingAdorner(); } } #endregion #region 컨트롤 마우스 이탈시 처리하기 - Control_MouseLeave(sender, e) /// <summary> /// 컨트롤 마우스 이탈시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Control_MouseLeave(object sender, MouseEventArgs e) { ProcessMouseLeave(); } #endregion #region 슬라이딩 엘리먼트 마우스 이탈시 처리하기 - slidingElement_MouseLeave(sender, e) /// <summary> /// 슬라이딩 엘리먼트 마우스 이탈시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void slidingElement_MouseLeave(object sender, MouseEventArgs e) { ProcessMouseLeave(); } #endregion ////////////////////////////////////////////////////////////////////// Function #region 슬라이딩 어도너 표시하기 - ShowSlidingAdorner() /// <summary> /// 슬라이딩 어도너 표시하기 /// </summary> private void ShowSlidingAdorner() { AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this); if(adornerLayer == null) { return; } switch(SlideDirection) { case SlidingAdornerSlideDirection.Left : this.uiElementAdorner.SetOffset(-SlideElementOffset, 0); break; case SlidingAdornerSlideDirection.Right : this.uiElementAdorner.SetOffset(ActualWidth + SlideElementOffset, 0); break; case SlidingAdornerSlideDirection.Down : this.uiElementAdorner.SetOffset(0, ActualHeight + SlideElementOffset); break; case SlidingAdornerSlideDirection.Up : this.uiElementAdorner.SetOffset(0, -SlideElementOffset); break; } adornerLayer.Add(this.uiElementAdorner); AnimateScaleTransform(); AnimateTranslateTransform(); AnimateOpacity(); } #endregion #region 스케일 변환 애니메이션 적용하기 - AnimateScaleTransform() /// <summary> /// 스케일 변환 애니메이션 적용하기 /// </summary> private void AnimateScaleTransform() { SplineDoubleKeyFrame splineDoubleKeyFrame1 = new SplineDoubleKeyFrame { KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(0)), Value = 0 }; SplineDoubleKeyFrame splineDoubleKeyFrame2 = new SplineDoubleKeyFrame { KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(SlideDuration)), Value = 1 }; DoubleAnimationUsingKeyFrames doubleAnimationUsingKeyFrames = new DoubleAnimationUsingKeyFrames(); doubleAnimationUsingKeyFrames.KeyFrames.Add(splineDoubleKeyFrame1); doubleAnimationUsingKeyFrames.KeyFrames.Add(splineDoubleKeyFrame2); ScaleTransform scaleTransform = ((TransformGroup)this.slidingElement.RenderTransform).Children[0] as ScaleTransform; if(scaleTransform != null) { switch(SlideDirection) { case SlidingAdornerSlideDirection.Right : case SlidingAdornerSlideDirection.Left : scaleTransform.BeginAnimation(ScaleTransform.ScaleXProperty, doubleAnimationUsingKeyFrames); break; case SlidingAdornerSlideDirection.Down : case SlidingAdornerSlideDirection.Up : scaleTransform.BeginAnimation(ScaleTransform.ScaleYProperty, doubleAnimationUsingKeyFrames); break; } } } #endregion #region 이동 변환 애니메이션 적용하기 - AnimateTranslateTransform() /// <summary> /// 이동 변환 애니메이션 적용하기 /// </summary> private void AnimateTranslateTransform() { SplineDoubleKeyFrame splineDoubleKeyFrame1 = new SplineDoubleKeyFrame { KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(0)), Value = 0 }; SplineDoubleKeyFrame splineDoubleKeyFrame2 = new SplineDoubleKeyFrame { KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(SlideDuration)) }; switch(SlideDirection) { case SlidingAdornerSlideDirection.Right : case SlidingAdornerSlideDirection.Down : splineDoubleKeyFrame2.Value = 0; break; case SlidingAdornerSlideDirection.Left : case SlidingAdornerSlideDirection.Up : splineDoubleKeyFrame2.Value = -SlideDistance; break; } DoubleAnimationUsingKeyFrames doubleAnimationUsingKeyFrames = new DoubleAnimationUsingKeyFrames(); doubleAnimationUsingKeyFrames.KeyFrames.Add(splineDoubleKeyFrame1); doubleAnimationUsingKeyFrames.KeyFrames.Add(splineDoubleKeyFrame2); TranslateTransform translateTransform = ((TransformGroup)this.slidingElement.RenderTransform).Children[1] as TranslateTransform; if(translateTransform != null) { switch(SlideDirection) { case SlidingAdornerSlideDirection.Right : case SlidingAdornerSlideDirection.Left : translateTransform.BeginAnimation(TranslateTransform.XProperty, doubleAnimationUsingKeyFrames); break; case SlidingAdornerSlideDirection.Down : case SlidingAdornerSlideDirection.Up : translateTransform.BeginAnimation(TranslateTransform.YProperty, doubleAnimationUsingKeyFrames); break; } } } #endregion #region 불투명도 애니메이션 적용하기 - AnimateOpacity() /// <summary> /// 불투명도 애니메이션 적용하기 /// </summary> private void AnimateOpacity() { DoubleAnimation doubleAnimation = new DoubleAnimation { Duration = new Duration(TimeSpan.FromMilliseconds(SlideDuration)), From = 0, To = 1 }; Storyboard storyboard = new Storyboard(); storyboard.Children.Add(doubleAnimation); Storyboard.SetTarget(doubleAnimation, this.slidingElement); Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("(UIElement.Opacity)")); storyboard.Begin(); } #endregion #region 슬라이딩 어도너 숨기기 - HideSlidingAdorner() /// <summary> /// 슬라이딩 어도너 숨기기 /// </summary> private void HideSlidingAdorner() { AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this); if(adornerLayer != null) { adornerLayer.Remove(this.uiElementAdorner); } } #endregion #region 마우스 이탈시 처리하기 - ProcessMouseLeave() /// <summary> /// 마우스 이탈시 처리하기 /// </summary> private void ProcessMouseLeave() { if(!IsMouseOver && !this.slidingElement.IsMouseOver) { HideSlidingAdorner(); this.isSlidingElementVisible = false; } else { this.isSlidingElementVisible = true; } } #endregion } } |
▶ DragCanvas.cs
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using System; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Media3D; namespace TestProject { /// <summary> /// 드래그 캔버스 /// </summary> public class DragCanvas : Canvas { //////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 드래그 가능 여부 첨부 속성 - CanBeDraggedProperty /// <summary> /// 드래그 가능 여부 첨부 속성 /// </summary> public static readonly DependencyProperty CanBeDraggedProperty = DependencyProperty.RegisterAttached ( "CanBeDragged", typeof(bool), typeof(DragCanvas), new UIPropertyMetadata(true) ); #endregion #region 드래그 허용 여부 속성 - AllowDraggingProperty /// <summary> /// 드래그 허용 여부 속성 /// </summary> public static readonly DependencyProperty AllowDraggingProperty = DependencyProperty.Register ( "AllowDragging", typeof(bool), typeof(DragCanvas), new PropertyMetadata(true) ); #endregion #region 뷰 외부 드래그 허용 여부 속성 - AllowDragOutOfViewProperty /// <summary> /// 뷰 외부 드래그 허용 여부 속성 /// </summary> public static readonly DependencyProperty AllowDragOutOfViewProperty = DependencyProperty.Register ( "AllowDragOutOfView", typeof(bool), typeof(DragCanvas), new UIPropertyMetadata(false) ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 드래그 엘리먼트 /// </summary> private UIElement dragElement; /// <summary> /// 드래그 시작 포인트 /// </summary> private Point dragStartPoint; /// <summary> /// 드래그 시작 오프셋 X /// </summary> private double dragStartOffsetX; /// <summary> /// 드래그 시작 오프셋 Y /// </summary> private double dragStartOffsetY; /// <summary> /// 수정 오프셋 X /// </summary> private bool modifyOffsetX; /// <summary> /// 수정 오프셋 Y /// </summary> private bool modifyOffsetY; /// <summary> /// 드래그 여부 /// </summary> private bool isDragging; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 드래그 허용 여부 - AllowDragging /// <summary> /// 드래그 허용 여부 /// </summary> public bool AllowDragging { get { return (bool)GetValue(AllowDraggingProperty); } set { SetValue(AllowDraggingProperty, value); } } #endregion #region 뷰 외부 드래그 허용 여부 - AllowDragOutOfView /// <summary> /// 뷰 외부 드래그 허용 여부 /// </summary> public bool AllowDragOutOfView { get { return (bool)GetValue(AllowDragOutOfViewProperty); } set { SetValue(AllowDragOutOfViewProperty, value); } } #endregion #region 드래그 엘리먼트 - ElementBeingDragged /// <summary> /// 드래그 엘리먼트 /// </summary> public UIElement ElementBeingDragged { get { return !AllowDragging ? null : this.dragElement; } protected set { if(this.dragElement != null) { this.dragElement.ReleaseMouseCapture(); } if(!AllowDragging) { this.dragElement = null; } else { if(GetCanBeDragged(value)) { this.dragElement = value; this.dragElement.CaptureMouse(); } else { this.dragElement = null; } } } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 드래그 가능 여부 구하기 - GetCanBeDragged(element) /// <summary> /// 드래그 가능 여부 구하기 /// </summary> /// <param name="element">엘리먼트</param> /// <returns>드래그 가능 여부</returns> public static bool GetCanBeDragged(UIElement element) { if(element == null) { return false; } return (bool)element.GetValue(CanBeDraggedProperty); } #endregion #region 드래그 가능 여부 설정하기 - SetCanBeDragged(element, value) /// <summary> /// 드래그 가능 여부 설정하기 /// </summary> /// <param name="element">엘리먼트</param> /// <param name="value">값</param> public static void SetCanBeDragged(UIElement element, bool value) { if(element != null) { element.SetValue(CanBeDraggedProperty, value); } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 전면으로 배치하기 - BringToFront(element) /// <summary> /// 전면으로 배치하기 /// </summary> /// <param name="element">엘리먼트</param> public void BringToFront(UIElement element) { UpdateZOrder(element, true); } #endregion #region 후면으로 배치하기 - SendToBack(element) /// <summary> /// 후면으로 배치하기 /// </summary> /// <param name="element">엘리먼트</param> public void SendToBack(UIElement element) { UpdateZOrder(element, false); } #endregion #region 캔버스 자식 찾기 - FindCanvasChild(dependencyObject) /// <summary> /// 캔버스 자식 찾기 /// </summary> /// <param name="dependencyObject">의존 객체</param> /// <returns>캔버스 자식</returns> public UIElement FindCanvasChild(DependencyObject dependencyObject) { while(dependencyObject != null) { UIElement element = dependencyObject as UIElement; if(element != null && Children.Contains(element)) { break; } if(dependencyObject is Visual || dependencyObject is Visual3D) { dependencyObject = VisualTreeHelper.GetParent(dependencyObject); } else { dependencyObject = LogicalTreeHelper.GetParent(dependencyObject); } } return dependencyObject as UIElement; } #endregion //////////////////////////////////////////////////////////////////////////////// Protected #region PREVIEW 마우스 왼쪽 버튼 DOWN 처리하기 - OnPreviewMouseLeftButtonDown(e) /// <summary> /// PREVIEW 마우스 왼쪽 버튼 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e) { base.OnPreviewMouseLeftButtonDown(e); this.isDragging = false; this.dragStartPoint = e.GetPosition(this); ElementBeingDragged = FindCanvasChild(e.Source as DependencyObject); if(ElementBeingDragged == null) { return; } double left = GetLeft (ElementBeingDragged); double right = GetRight (ElementBeingDragged); double top = GetTop (ElementBeingDragged); double bottom = GetBottom(ElementBeingDragged); this.dragStartOffsetX = ResolveOffset(left, right , out this.modifyOffsetX); this.dragStartOffsetY = ResolveOffset(top , bottom, out this.modifyOffsetY); e.Handled = true; this.isDragging = true; } #endregion #region PREVIEW 마우스 이동시 처리하기 - OnPreviewMouseMove(e) /// <summary> /// PREVIEW 마우스 이동시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPreviewMouseMove(MouseEventArgs e) { base.OnPreviewMouseMove(e); if(ElementBeingDragged == null || !this.isDragging) { return; } Point cursorPoint = e.GetPosition(this); double newOffsetX; double newOffsetY; if(this.modifyOffsetX) { newOffsetX = this.dragStartOffsetX + (cursorPoint.X - this.dragStartPoint.X); } else { newOffsetX = this.dragStartOffsetX - (cursorPoint.X - this.dragStartPoint.X); } if(this.modifyOffsetY) { newOffsetY = this.dragStartOffsetY + (cursorPoint.Y - this.dragStartPoint.Y); } else { newOffsetY = this.dragStartOffsetY - (cursorPoint.Y - this.dragStartPoint.Y); } if(!AllowDragOutOfView) { Rect elementRectangle = CalculateDragElementRectangle(newOffsetX, newOffsetY); bool alignLeft = elementRectangle.Left < 0; bool alignRight = elementRectangle.Right > ActualWidth; if(alignLeft) { newOffsetX = this.modifyOffsetX ? 0 : ActualWidth - elementRectangle.Width; } else if(alignRight) { newOffsetX = this.modifyOffsetX ? ActualWidth - elementRectangle.Width : 0; } bool alignTop = elementRectangle.Top < 0; bool alignBottom = elementRectangle.Bottom > ActualHeight; if(alignTop) { newOffsetY = this.modifyOffsetY ? 0 : ActualHeight - elementRectangle.Height; } else if(alignBottom) { newOffsetY = this.modifyOffsetY ? ActualHeight - elementRectangle.Height : 0; } } if(this.modifyOffsetX) { SetLeft(ElementBeingDragged, newOffsetX); } else { SetRight(ElementBeingDragged, newOffsetX); } if(this.modifyOffsetY) { SetTop(ElementBeingDragged, newOffsetY); } else { SetBottom(ElementBeingDragged, newOffsetY); } } #endregion #region PREVIEW 마우스 UP 처리하기 - OnPreviewMouseUp(e) /// <summary> /// PREVIEW 마우스 UP 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnPreviewMouseUp(MouseButtonEventArgs e) { base.OnPreviewMouseUp(e); ElementBeingDragged = null; } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 드래그 엘리먼트 사각형 계산하기 - CalculateDragElementRectangle(newOffsetX, newOffsetY) /// <summary> /// 드래그 엘리먼트 사각형 계산하기 /// </summary> /// <param name="newOffsetX">신규 오프셋 X</param> /// <param name="newOffsetY">신규 오프셋 Y</param> /// <returns>드래그 엘리먼트 사각형</returns> private Rect CalculateDragElementRectangle(double newOffsetX, double newOffsetY) { if(ElementBeingDragged == null) { throw new InvalidOperationException("ElementBeingDragged is null."); } Size elementSize = ElementBeingDragged.RenderSize; double x; double y; if(this.modifyOffsetX) { x = newOffsetX; } else { x = ActualWidth - newOffsetX - elementSize.Width; } if(this.modifyOffsetY) { y = newOffsetY; } else { y = ActualHeight - newOffsetY - elementSize.Height; } Point elementPoint = new Point(x, y); return new Rect(elementPoint, elementSize); } #endregion #region 오프셋 결정하기 - ResolveOffset(side1, side2, useSide1) /// <summary> /// 오프셋 결정하기 /// </summary> /// <param name="side1">측면 1</param> /// <param name="side2">측면 2</param> /// <param name="useSide1">측면 1 사용 여부</param> /// <returns>오프셋</returns> private static double ResolveOffset(double side1, double side2, out bool useSide1) { useSide1 = true; double result; if(double.IsNaN(side1)) { if(double.IsNaN(side2)) { result = 0; } else { result = side2; useSide1 = false; } } else { result = side1; } return result; } #endregion #region Z 순서 업데이트하기 - UpdateZOrder(element, bringToFront) /// <summary> /// Z 순서 업데이트하기 /// </summary> /// <param name="element">엘리먼트</param> /// <param name="bringToFront">전면 배치 여부</param> private void UpdateZOrder(UIElement element, bool bringToFront) { if(element == null) { return; } if(!Children.Contains(element)) { throw new ArgumentException("Must be a child element of the Canvas.", "element"); } int elementNewZIndex = -1; if(bringToFront) { foreach(UIElement childElement in Children) { if(childElement.Visibility != Visibility.Collapsed) { ++elementNewZIndex; } } } else { elementNewZIndex = 0; } int offset = (elementNewZIndex == 0) ? +1 : -1; int elementCurrentZIndex = GetZIndex(element); foreach(UIElement childElement in Children) { if(childElement == element) { SetZIndex(element, elementNewZIndex); } else { int zIndex = GetZIndex(childElement); if(bringToFront && elementCurrentZIndex < zIndex || !bringToFront && zIndex < elementCurrentZIndex) { SetZIndex(childElement, zIndex + offset); } } } } #endregion } } |
▶ Country.cs
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using System.Windows.Media; namespace TestProject { /// <summary> /// 국가 /// </summary> public class Country { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 국가명 - CountryName /// <summary> /// 국가명 /// </summary> public string CountryName { get; set; } #endregion #region 국가 이미지 - CountryImage /// <summary> /// 국가 이미지 /// </summary> public ImageSource CountryImage { get; set; } #endregion #region 국가 수도 - CountryCapital /// <summary> /// 국가 수도 /// </summary> public string CountryCapital { get; set; } #endregion #region 국가 색상 - CountryColor /// <summary> /// 국가 색상 /// </summary> public Color CountryColor { get; set; } #endregion } } |
▶ CountryHelper.cs
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using System; using System.Collections.Generic; using System.Windows.Media; namespace TestProject { /// <summary> /// 국가 헬퍼 /// </summary> public class CountryHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 국가 리스트 구하기 - GetCountryList() /// <summary> /// 국가 리스트 구하기 /// </summary> /// <returns>국가 리스트</returns> public static List<Country> GetCountryList() { List<Country> list = new List<Country> { new Country { CountryName = "아르헨티나", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.ARGENTINA), CountryCapital = "부에노스 아이레스", CountryColor = Color.FromRgb(82, 179, 255) }, new Country { CountryName = "호주", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.AUSTRALIA), CountryCapital = "캔버라", CountryColor = Color.FromRgb(0, 129, 231) }, new Country { CountryName = "브라질", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.BRAZIL), CountryCapital = "브라질리아", CountryColor = Color.FromRgb(255, 250, 0) }, new Country { CountryName = "캐나다", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.CANADA), CountryCapital = "오타와", CountryColor = Color.FromRgb(255, 99, 51) }, new Country { CountryName = "중국", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.CHINA), CountryCapital = "베이징", CountryColor = Color.FromRgb(255, 99, 51) }, new Country { CountryName = "콜롬비아", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.COLOMBIA), CountryCapital = "보고타", CountryColor = Color.FromRgb(255, 250, 0) }, new Country { CountryName = "이집트", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.EGYPT), CountryCapital = "카이로", CountryColor = Color.FromRgb(38, 38, 38) }, new Country { CountryName = "영국", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.ENGLAND), CountryCapital = "런던", CountryColor = Color.FromRgb(255, 99, 51) }, new Country { CountryName = "핀란드", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.FINLAND), CountryCapital = "헬싱키", CountryColor = Color.FromRgb(0, 140, 242) }, new Country { CountryName = "독입", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.GERMANY), CountryCapital = "베를린", CountryColor = Color.FromRgb(255, 58, 6) }, new Country { CountryName = "인도", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.INDIA), CountryCapital = "뉴 델리", CountryColor = Color.FromRgb(255, 195, 93) }, new Country { CountryName = "케냐", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.KENYA), CountryCapital = "나이로비", CountryColor = Color.FromRgb(38, 38, 38) }, new Country { CountryName = "멕시코", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.MEXICO), CountryCapital = "멕시코 시티", CountryColor = Color.FromRgb(32, 168, 15) }, new Country { CountryName = "뉴질랜드", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.NEW_ZEALAND), CountryCapital = "웰링톤", CountryColor = Color.FromRgb(0, 129, 231) }, new Country { CountryName = "나이제리아", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.NIGERIA), CountryCapital = "아부자", CountryColor = Color.FromRgb(32, 168, 15) }, new Country { CountryName = "파키스탄", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.PAKISTAN), CountryCapital = "이슬라마바드", CountryColor = Color.FromRgb(32, 168, 15) }, new Country { CountryName = "필리핀", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.PHILIPPINES), CountryCapital = "마닐라", CountryColor = Color.FromRgb(0, 123, 225) }, new Country { CountryName = "러시아", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.RUSSIA), CountryCapital = "모스크바", CountryColor = Color.FromRgb(0, 123, 225) }, new Country { CountryName = "남아프리카 공화국", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.SOUTH_AFRICA), CountryCapital = "케이프 타운", CountryColor = Color.FromRgb(52, 178, 25) }, new Country { CountryName = "미국", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.USA), CountryCapital = "워싱턴", CountryColor = Color.FromRgb(0, 123, 225) }, new Country { CountryName = "베트남", CountryImage = (ImageSource)new ImageSourceConverter().ConvertFrom(ImageConstant.VIETNAM), CountryCapital = "하노이", CountryColor = Color.FromRgb(255, 99, 51) } }; return GetRandomList(list, 10); } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 임의 리스트 구하기 - GetRandomList<T>(itemCount, sourceList) /// <summary> /// 임의 리스트 구하기 /// </summary> /// <typeparam name="TItem">항목 타입</typeparam> /// <param name="sourceList">소스 리스트</param> /// <param name="itemCount">항목 수</param> /// <returns>임의 리스트</returns> private static List<TItem> GetRandomList<TItem>(List<TItem> sourceList, int itemCount) { if(itemCount > sourceList.Count) { itemCount = sourceList.Count; } List<TItem> list = new List<TItem>(itemCount); for(var i = 0; i < itemCount; i++) { int index = new Random().Next(sourceList.Count); TItem item = sourceList[index]; sourceList.RemoveAt(index); list.Add(item); } return list; } #endregion } } |
▶ ImageConstant.cs
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namespace TestProject { /// <summary> /// 이미지 상수 /// </summary> public class ImageConstant { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 아르헨티나 /// </summary> public const string ARGENTINA = "pack://application:,,,/TestProject;component/IMAGE/flag_argentina.png"; /// <summary> /// 호주 /// </summary> public const string AUSTRALIA = "pack://application:,,,/TestProject;component/IMAGE/flag_australia.png"; /// <summary> /// 브라질 /// </summary> public const string BRAZIL = "pack://application:,,,/TestProject;component/IMAGE/flag_brazil.png"; /// <summary> /// 캐나다 /// </summary> public const string CANADA = "pack://application:,,,/TestProject;component/IMAGE/flag_canada.png"; /// <summary> /// 중국 /// </summary> public const string CHINA = "pack://application:,,,/TestProject;component/IMAGE/flag_china.png"; /// <summary> /// 콜롬비아 /// </summary> public const string COLOMBIA = "pack://application:,,,/TestProject;component/IMAGE/flag_colombia.png"; /// <summary> /// 이집트 /// </summary> public const string EGYPT = "pack://application:,,,/TestProject;component/IMAGE/flag_egypt.png"; /// <summary> /// 영국 /// </summary> public const string ENGLAND = "pack://application:,,,/TestProject;component/IMAGE/flag_england.png"; /// <summary> /// 핀란드 /// </summary> public const string FINLAND = "pack://application:,,,/TestProject;component/IMAGE/flag_finland.png"; /// <summary> /// 독일 /// </summary> public const string GERMANY = "pack://application:,,,/TestProject;component/IMAGE/flag_germany.png"; /// <summary> /// 인디아 /// </summary> public const string INDIA = "pack://application:,,,/TestProject;component/IMAGE/flag_india.png"; /// <summary> /// 케냐 /// </summary> public const string KENYA = "pack://application:,,,/TestProject;component/IMAGE/flag_kenya.png"; /// <summary> /// 멕시코 /// </summary> public const string MEXICO = "pack://application:,,,/TestProject;component/IMAGE/flag_mexico.png"; /// <summary> /// 뉴질랜드 /// </summary> public const string NEW_ZEALAND = "pack://application:,,,/TestProject;component/IMAGE/flag_new_zealand.png"; /// <summary> /// 나이제리아 /// </summary> public const string NIGERIA = "pack://application:,,,/TestProject;component/IMAGE/flag_nigeria.png"; /// <summary> /// 파키스탄 /// </summary> public const string PAKISTAN = "pack://application:,,,/TestProject;component/IMAGE/flag_pakistan.png"; /// <summary> /// 필리핀 /// </summary> public const string PHILIPPINES = "pack://application:,,,/TestProject;component/IMAGE/flag_philippines.png"; /// <summary> /// 러시아 /// </summary> public const string RUSSIA = "pack://application:,,,/TestProject;component/IMAGE/flag_russia.png"; /// <summary> /// 남아프리카 공화국 /// </summary> public const string SOUTH_AFRICA = "pack://application:,,,/TestProject;component/IMAGE/flag_south_africa.png"; /// <summary> /// 미국 /// </summary> public const string USA = "pack://application:,,,/TestProject;component/IMAGE/flag_usa.png"; /// <summary> /// 베트남 /// </summary> public const string VIETNAM = "pack://application:,,,/TestProject;component/IMAGE/flag_vietnam.png"; /// <summary> /// 세계 맵 /// </summary> public const string WORLD_MAP = "pack://application:,,,/TestProject;component/IMAGE/world_map.jpg"; #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="Adorner 클래스 : 슬라이딩 어도너 사용하기" FontFamily="나눔고딕코딩" FontSize="16"> <Window.Resources> <Style TargetType="{x:Type local:SlidingAdorner}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type local:SlidingAdorner}"> <StackPanel Orientation="Vertical"> <Button> <Button.Template> <ControlTemplate TargetType="Button"> <Image Width="48" Height="48" Source="{Binding Path=CountryImage}" /> </ControlTemplate> </Button.Template> </Button> </StackPanel> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="{x:Type local:SlidingElement}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type local:SlidingElement}"> <StackPanel> <Border CornerRadius="4"> <Border.Background> <LinearGradientBrush Opacity="0.8"> <GradientStop Offset="0.0" Color="Transparent" /> <GradientStop Offset="1.0" Color="{Binding Path=CountryColor}" /> </LinearGradientBrush> </Border.Background> <StackPanel Orientation="Vertical"> <Label Foreground="White" FontWeight="Bold" Content="{Binding Path=CountryName}" /> <Label Foreground="White" Content="{Binding Path=CountryCapital}" /> </StackPanel> </Border> </StackPanel> </ControlTemplate> </Setter.Value> </Setter> </Style> </Window.Resources> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> </Grid.RowDefinitions> <Button Name="startButton" Grid.Row="0" Height="30" Content="새로 시작하기"> </Button> <local:DragCanvas x:Name="dragCanvas" Grid.Row="1"> <Canvas.Background> <ImageBrush Stretch="Fill" ImageSource="{Binding Source={x:Static local:ImageConstant.WORLD_MAP}}" /> </Canvas.Background> </local:DragCanvas> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Collections.Generic; using System.Windows; using System.Windows.Controls; using System.Windows.Input; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 국가 리스트 - CountryList /// <summary> /// 국가 리스트 /// </summary> public List<Country> CountryList { get; private set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); DataContext = this; Loaded += Window_Loaded; PreviewMouseLeftButtonDown += Window_PreviewMouseLeftButtonDown; this.startButton.Click += startButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 윈도우 로드시 처리하기 - Window_Loaded(sender, e) /// <summary> /// 윈도우 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_Loaded(object sender, RoutedEventArgs e) { this.dragCanvas.Children.Clear(); CountryList = CountryHelper.GetCountryList(); SetDragCanvasData(); } #endregion #region 윈도우 PREVIEW 마우스 왼쪽 버튼 DOWN 처리하기 - Window_PreviewMouseLeftButtonDown(sender, e) /// <summary> /// 윈도우 PREVIEW 마우스 왼쪽 버튼 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e) { UIElement childElement = this.dragCanvas.FindCanvasChild(e.Source as DependencyObject); this.dragCanvas.BringToFront(childElement); } #endregion #region 새로 시작하기 버튼 클릭시 처리하기 - startButton_Click(sender, e) /// <summary> /// 새로 시작하기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void startButton_Click(object sender, RoutedEventArgs e) { this.dragCanvas.Children.Clear(); CountryList = CountryHelper.GetCountryList(); SetDragCanvasData(); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 드래그 캔버스 데이터 설정하기 - SetDragCanvasData() /// <summary> /// 드래그 캔버스 데이터 설정하기 /// </summary> private void SetDragCanvasData() { Random random = new Random(); foreach(Country country in CountryList) { SlidingAdorner slidingAdorner = new SlidingAdorner(country); slidingAdorner.SetValue(Canvas.LeftProperty, Convert.ToDouble(random.Next(Convert.ToInt32(this.dragCanvas.ActualWidth )))); slidingAdorner.SetValue(Canvas.TopProperty , Convert.ToDouble(random.Next(Convert.ToInt32(this.dragCanvas.ActualHeight)))); this.dragCanvas.Children.Add(slidingAdorner); } } #endregion } } |
