chore: use file-scoped namespace
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@@ -7,154 +7,153 @@ using HandyControl.Interactivity;
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using HandyControl.Tools;
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using HandyControl.Tools.Extension;
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namespace HandyControl.Controls
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namespace HandyControl.Controls;
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[TemplatePart(Name = ElementVisualBrush, Type = typeof(VisualBrush))]
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public class Magnifier : AdornerElement
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{
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[TemplatePart(Name = ElementVisualBrush, Type = typeof(VisualBrush))]
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public class Magnifier : AdornerElement
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private AdornerContainer _adornerContainer;
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private Size _viewboxSize;
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private const string ElementVisualBrush = "PART_VisualBrush";
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private VisualBrush _visualBrush = new();
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private readonly TranslateTransform _translateTransform;
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public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.Register(
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"HorizontalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
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public double HorizontalOffset
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{
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private AdornerContainer _adornerContainer;
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get => (double) GetValue(HorizontalOffsetProperty);
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set => SetValue(HorizontalOffsetProperty, value);
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}
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private Size _viewboxSize;
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public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.Register(
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"VerticalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
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private const string ElementVisualBrush = "PART_VisualBrush";
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public double VerticalOffset
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{
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get => (double) GetValue(VerticalOffsetProperty);
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set => SetValue(VerticalOffsetProperty, value);
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}
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private VisualBrush _visualBrush = new();
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public static Magnifier Default => new();
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private readonly TranslateTransform _translateTransform;
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public static readonly DependencyProperty ScaleProperty = DependencyProperty.Register(
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"Scale", typeof(double), typeof(Magnifier), new PropertyMetadata(5.0, OnScaleChanged), ValidateHelper.IsInRangeOfPosDouble);
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public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.Register(
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"HorizontalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
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private static void OnScaleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) => ((Magnifier) d).UpdateViewboxSize();
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public double HorizontalOffset
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public double Scale
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{
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get => (double) GetValue(ScaleProperty);
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set => SetValue(ScaleProperty, value);
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}
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public Magnifier()
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{
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_translateTransform = new TranslateTransform();
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RenderTransform = _translateTransform;
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}
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public override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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var visualBrush = GetTemplateChild(ElementVisualBrush) as VisualBrush ?? new VisualBrush();
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visualBrush.Viewbox = _visualBrush.Viewbox;
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_visualBrush = visualBrush;
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}
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protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
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{
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base.OnRenderSizeChanged(sizeInfo);
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UpdateViewboxSize();
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}
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private void UpdateViewboxSize() => _viewboxSize = new Size(ActualWidth / Scale, ActualHeight / Scale);
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protected sealed override void OnTargetChanged(FrameworkElement element, bool isNew)
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{
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base.OnTargetChanged(element, isNew);
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if (element == null) return;
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if (!isNew)
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{
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get => (double) GetValue(HorizontalOffsetProperty);
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set => SetValue(HorizontalOffsetProperty, value);
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element.MouseEnter -= Element_MouseEnter;
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element.MouseLeave -= Element_MouseLeave;
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element.MouseMove -= Element_MouseMove;
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ElementTarget = null;
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}
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public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.Register(
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"VerticalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
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public double VerticalOffset
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else
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{
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get => (double) GetValue(VerticalOffsetProperty);
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set => SetValue(VerticalOffsetProperty, value);
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}
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public static Magnifier Default => new();
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public static readonly DependencyProperty ScaleProperty = DependencyProperty.Register(
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"Scale", typeof(double), typeof(Magnifier), new PropertyMetadata(5.0, OnScaleChanged), ValidateHelper.IsInRangeOfPosDouble);
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private static void OnScaleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) => ((Magnifier) d).UpdateViewboxSize();
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public double Scale
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{
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get => (double) GetValue(ScaleProperty);
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set => SetValue(ScaleProperty, value);
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}
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public Magnifier()
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{
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_translateTransform = new TranslateTransform();
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RenderTransform = _translateTransform;
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}
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public override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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var visualBrush = GetTemplateChild(ElementVisualBrush) as VisualBrush ?? new VisualBrush();
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visualBrush.Viewbox = _visualBrush.Viewbox;
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_visualBrush = visualBrush;
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}
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protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
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{
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base.OnRenderSizeChanged(sizeInfo);
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UpdateViewboxSize();
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}
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private void UpdateViewboxSize() => _viewboxSize = new Size(ActualWidth / Scale, ActualHeight / Scale);
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protected sealed override void OnTargetChanged(FrameworkElement element, bool isNew)
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{
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base.OnTargetChanged(element, isNew);
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if (element == null) return;
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if (!isNew)
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{
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element.MouseEnter -= Element_MouseEnter;
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element.MouseLeave -= Element_MouseLeave;
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element.MouseMove -= Element_MouseMove;
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ElementTarget = null;
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}
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else
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{
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element.MouseEnter += Element_MouseEnter;
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element.MouseLeave += Element_MouseLeave;
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element.MouseMove += Element_MouseMove;
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ElementTarget = element;
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}
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}
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protected override void Dispose() => HideAdornerElement();
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private void UpdateLocation()
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{
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var targetPoint = Mouse.GetPosition(Target);
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var subX = targetPoint.X - _visualBrush.Viewbox.Width / 2;
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var subY = targetPoint.Y - _visualBrush.Viewbox.Height / 2;
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var targetVector = VisualTreeHelper.GetOffset(Target);
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_visualBrush.Viewbox = new Rect(new Point(subX + targetVector.X, subY + targetVector.Y), _viewboxSize);
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var adornerPoint = Mouse.GetPosition(_adornerContainer);
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_translateTransform.X = adornerPoint.X + HorizontalOffset;
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_translateTransform.Y = adornerPoint.Y + VerticalOffset;
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}
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private void Element_MouseMove(object sender, MouseEventArgs e) => UpdateLocation();
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private void Element_MouseLeave(object sender, MouseEventArgs e) => HideAdornerElement();
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private void Element_MouseEnter(object sender, MouseEventArgs e) => ShowAdornerElement();
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private void HideAdornerElement()
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{
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if (_adornerContainer == null) return;
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var layer = AdornerLayer.GetAdornerLayer(Target);
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if (layer != null)
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{
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layer.Remove(_adornerContainer);
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}
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else if (_adornerContainer is { Parent: AdornerLayer parent })
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{
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parent.Remove(_adornerContainer);
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}
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if (_adornerContainer != null)
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{
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_adornerContainer.Child = null;
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_adornerContainer = null;
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}
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}
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private void ShowAdornerElement()
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{
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if (_adornerContainer == null)
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{
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var layer = AdornerLayer.GetAdornerLayer(Target);
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if (layer == null) return;
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_adornerContainer = new AdornerContainer(layer)
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{
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Child = this
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};
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layer.Add(_adornerContainer);
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}
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this.Show();
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element.MouseEnter += Element_MouseEnter;
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element.MouseLeave += Element_MouseLeave;
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element.MouseMove += Element_MouseMove;
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ElementTarget = element;
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}
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}
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}
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protected override void Dispose() => HideAdornerElement();
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private void UpdateLocation()
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{
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var targetPoint = Mouse.GetPosition(Target);
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var subX = targetPoint.X - _visualBrush.Viewbox.Width / 2;
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var subY = targetPoint.Y - _visualBrush.Viewbox.Height / 2;
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var targetVector = VisualTreeHelper.GetOffset(Target);
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_visualBrush.Viewbox = new Rect(new Point(subX + targetVector.X, subY + targetVector.Y), _viewboxSize);
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var adornerPoint = Mouse.GetPosition(_adornerContainer);
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_translateTransform.X = adornerPoint.X + HorizontalOffset;
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_translateTransform.Y = adornerPoint.Y + VerticalOffset;
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}
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private void Element_MouseMove(object sender, MouseEventArgs e) => UpdateLocation();
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private void Element_MouseLeave(object sender, MouseEventArgs e) => HideAdornerElement();
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private void Element_MouseEnter(object sender, MouseEventArgs e) => ShowAdornerElement();
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private void HideAdornerElement()
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{
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if (_adornerContainer == null) return;
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var layer = AdornerLayer.GetAdornerLayer(Target);
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if (layer != null)
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{
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layer.Remove(_adornerContainer);
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}
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else if (_adornerContainer is { Parent: AdornerLayer parent })
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{
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parent.Remove(_adornerContainer);
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}
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if (_adornerContainer != null)
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{
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_adornerContainer.Child = null;
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_adornerContainer = null;
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}
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}
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private void ShowAdornerElement()
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{
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if (_adornerContainer == null)
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{
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var layer = AdornerLayer.GetAdornerLayer(Target);
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if (layer == null) return;
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_adornerContainer = new AdornerContainer(layer)
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{
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Child = this
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};
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layer.Add(_adornerContainer);
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}
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this.Show();
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}
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}
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