chore: use file-scoped namespace
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@@ -5,381 +5,380 @@ using System.Windows.Controls;
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using HandyControl.Data;
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using HandyControl.Expression.Drawing;
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namespace HandyControl.Controls
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namespace HandyControl.Controls;
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public class UniformSpacingPanel : Panel
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{
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public class UniformSpacingPanel : Panel
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private Orientation _orientation;
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public UniformSpacingPanel()
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{
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private Orientation _orientation;
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_orientation = Orientation.Horizontal;
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}
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public UniformSpacingPanel()
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public static readonly DependencyProperty OrientationProperty =
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StackPanel.OrientationProperty.AddOwner(typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(Orientation.Horizontal, FrameworkPropertyMetadataOptions.AffectsMeasure, OnOrientationChanged));
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private static void OnOrientationChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var p = (UniformSpacingPanel) d;
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p._orientation = (Orientation) e.NewValue;
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}
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public Orientation Orientation
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{
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get => (Orientation) GetValue(OrientationProperty);
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set => SetValue(OrientationProperty, value);
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}
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public static readonly DependencyProperty ChildWrappingProperty = DependencyProperty.Register(
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"ChildWrapping", typeof(VisualWrapping), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(default(VisualWrapping), FrameworkPropertyMetadataOptions.AffectsMeasure));
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public VisualWrapping ChildWrapping
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{
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get => (VisualWrapping) GetValue(ChildWrappingProperty);
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set => SetValue(ChildWrappingProperty, value);
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}
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public static readonly DependencyProperty SpacingProperty = DependencyProperty.Register(
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"Spacing", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), IsSpacingValid);
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public double Spacing
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{
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get => (double) GetValue(SpacingProperty);
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set => SetValue(SpacingProperty, value);
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}
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public static readonly DependencyProperty HorizontalSpacingProperty = DependencyProperty.Register(
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"HorizontalSpacing", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), IsSpacingValid);
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public double HorizontalSpacing
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{
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get => (double) GetValue(HorizontalSpacingProperty);
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set => SetValue(HorizontalSpacingProperty, value);
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}
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public static readonly DependencyProperty VerticalSpacingProperty = DependencyProperty.Register(
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"VerticalSpacing", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), IsSpacingValid);
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public double VerticalSpacing
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{
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get => (double) GetValue(VerticalSpacingProperty);
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set => SetValue(VerticalSpacingProperty, value);
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}
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public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
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"ItemWidth", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure),
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IsWidthHeightValid);
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[TypeConverter(typeof(LengthConverter))]
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public double ItemWidth
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{
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get => (double) GetValue(ItemWidthProperty);
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set => SetValue(ItemWidthProperty, value);
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}
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public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
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"ItemHeight", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure),
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IsWidthHeightValid);
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[TypeConverter(typeof(LengthConverter))]
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public double ItemHeight
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{
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get => (double) GetValue(ItemHeightProperty);
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set => SetValue(ItemHeightProperty, value);
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}
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public static readonly DependencyProperty ItemHorizontalAlignmentProperty = DependencyProperty.Register(
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"ItemHorizontalAlignment", typeof(HorizontalAlignment?), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(HorizontalAlignment.Stretch, FrameworkPropertyMetadataOptions.AffectsMeasure));
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public HorizontalAlignment? ItemHorizontalAlignment
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{
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get => (HorizontalAlignment?) GetValue(ItemHorizontalAlignmentProperty);
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set => SetValue(ItemHorizontalAlignmentProperty, value);
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}
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public static readonly DependencyProperty ItemVerticalAlignmentProperty = DependencyProperty.Register(
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"ItemVerticalAlignment", typeof(VerticalAlignment?), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(VerticalAlignment.Stretch, FrameworkPropertyMetadataOptions.AffectsMeasure));
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public VerticalAlignment? ItemVerticalAlignment
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{
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get => (VerticalAlignment?) GetValue(ItemVerticalAlignmentProperty);
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set => SetValue(ItemVerticalAlignmentProperty, value);
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}
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private static bool IsWidthHeightValid(object value)
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{
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var v = (double) value;
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return double.IsNaN(v) || v >= 0.0d && !double.IsPositiveInfinity(v);
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}
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private static bool IsSpacingValid(object value)
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{
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if (value is double spacing)
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{
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_orientation = Orientation.Horizontal;
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return double.IsNaN(spacing) || spacing > 0;
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}
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public static readonly DependencyProperty OrientationProperty =
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StackPanel.OrientationProperty.AddOwner(typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(Orientation.Horizontal, FrameworkPropertyMetadataOptions.AffectsMeasure, OnOrientationChanged));
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return false;
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}
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private static void OnOrientationChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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private void ArrangeWrapLine(double v, double lineV, int start, int end, bool useItemU, double itemU, double spacing)
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{
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double u = 0;
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var isHorizontal = _orientation == Orientation.Horizontal;
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var children = InternalChildren;
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for (var i = start; i < end; i++)
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{
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var p = (UniformSpacingPanel) d;
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p._orientation = (Orientation) e.NewValue;
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}
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var child = children[i];
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if (child == null) continue;
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public Orientation Orientation
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{
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get => (Orientation) GetValue(OrientationProperty);
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set => SetValue(OrientationProperty, value);
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}
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var childSize = new PanelUvSize(_orientation, child.DesiredSize);
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var layoutSlotU = useItemU ? itemU : childSize.U;
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public static readonly DependencyProperty ChildWrappingProperty = DependencyProperty.Register(
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"ChildWrapping", typeof(VisualWrapping), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(default(VisualWrapping), FrameworkPropertyMetadataOptions.AffectsMeasure));
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child.Arrange(isHorizontal ? new Rect(u, v, layoutSlotU, lineV) : new Rect(v, u, lineV, layoutSlotU));
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public VisualWrapping ChildWrapping
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{
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get => (VisualWrapping) GetValue(ChildWrappingProperty);
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set => SetValue(ChildWrappingProperty, value);
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}
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public static readonly DependencyProperty SpacingProperty = DependencyProperty.Register(
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"Spacing", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), IsSpacingValid);
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public double Spacing
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{
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get => (double) GetValue(SpacingProperty);
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set => SetValue(SpacingProperty, value);
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}
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public static readonly DependencyProperty HorizontalSpacingProperty = DependencyProperty.Register(
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"HorizontalSpacing", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), IsSpacingValid);
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public double HorizontalSpacing
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{
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get => (double) GetValue(HorizontalSpacingProperty);
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set => SetValue(HorizontalSpacingProperty, value);
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}
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public static readonly DependencyProperty VerticalSpacingProperty = DependencyProperty.Register(
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"VerticalSpacing", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), IsSpacingValid);
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public double VerticalSpacing
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{
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get => (double) GetValue(VerticalSpacingProperty);
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set => SetValue(VerticalSpacingProperty, value);
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}
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public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
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"ItemWidth", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure),
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IsWidthHeightValid);
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[TypeConverter(typeof(LengthConverter))]
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public double ItemWidth
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{
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get => (double) GetValue(ItemWidthProperty);
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set => SetValue(ItemWidthProperty, value);
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}
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public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
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"ItemHeight", typeof(double), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure),
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IsWidthHeightValid);
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[TypeConverter(typeof(LengthConverter))]
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public double ItemHeight
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{
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get => (double) GetValue(ItemHeightProperty);
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set => SetValue(ItemHeightProperty, value);
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}
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public static readonly DependencyProperty ItemHorizontalAlignmentProperty = DependencyProperty.Register(
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"ItemHorizontalAlignment", typeof(HorizontalAlignment?), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(HorizontalAlignment.Stretch, FrameworkPropertyMetadataOptions.AffectsMeasure));
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public HorizontalAlignment? ItemHorizontalAlignment
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{
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get => (HorizontalAlignment?) GetValue(ItemHorizontalAlignmentProperty);
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set => SetValue(ItemHorizontalAlignmentProperty, value);
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}
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public static readonly DependencyProperty ItemVerticalAlignmentProperty = DependencyProperty.Register(
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"ItemVerticalAlignment", typeof(VerticalAlignment?), typeof(UniformSpacingPanel),
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new FrameworkPropertyMetadata(VerticalAlignment.Stretch, FrameworkPropertyMetadataOptions.AffectsMeasure));
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public VerticalAlignment? ItemVerticalAlignment
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{
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get => (VerticalAlignment?) GetValue(ItemVerticalAlignmentProperty);
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set => SetValue(ItemVerticalAlignmentProperty, value);
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}
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private static bool IsWidthHeightValid(object value)
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{
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var v = (double) value;
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return double.IsNaN(v) || v >= 0.0d && !double.IsPositiveInfinity(v);
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}
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private static bool IsSpacingValid(object value)
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{
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if (value is double spacing)
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if (layoutSlotU > 0)
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{
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return double.IsNaN(spacing) || spacing > 0;
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u += layoutSlotU + spacing;
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}
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return false;
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}
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}
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private void ArrangeWrapLine(double v, double lineV, int start, int end, bool useItemU, double itemU, double spacing)
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private void ArrangeLine(double lineV, bool useItemU, double itemU, double spacing)
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{
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double u = 0;
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var isHorizontal = _orientation == Orientation.Horizontal;
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var children = InternalChildren;
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for (var i = 0; i < children.Count; i++)
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{
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double u = 0;
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var isHorizontal = _orientation == Orientation.Horizontal;
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var child = children[i];
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if (child == null) continue;
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var children = InternalChildren;
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for (var i = start; i < end; i++)
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var childSize = new PanelUvSize(_orientation, child.DesiredSize);
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var layoutSlotU = useItemU ? itemU : childSize.U;
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child.Arrange(isHorizontal ? new Rect(u, 0, layoutSlotU, lineV) : new Rect(0, u, lineV, layoutSlotU));
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if (layoutSlotU > 0)
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{
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u += layoutSlotU + spacing;
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}
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}
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}
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protected override Size MeasureOverride(Size constraint)
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{
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var curLineSize = new PanelUvSize(_orientation);
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var panelSize = new PanelUvSize(_orientation);
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var uvConstraint = new PanelUvSize(_orientation, constraint);
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var itemWidth = ItemWidth;
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var itemHeight = ItemHeight;
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var itemWidthSet = !double.IsNaN(itemWidth);
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var itemHeightSet = !double.IsNaN(itemHeight);
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var childWrapping = ChildWrapping;
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var itemHorizontalAlignment = ItemHorizontalAlignment;
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var itemVerticalAlignment = ItemVerticalAlignment;
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var itemHorizontalAlignmentSet = itemHorizontalAlignment != null;
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var itemVerticalAlignmentSet = ItemVerticalAlignment != null;
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var spacingSize = GetSpacingSize();
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var childConstraint = new Size(
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itemWidthSet ? itemWidth : constraint.Width,
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itemHeightSet ? itemHeight : constraint.Height);
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var children = InternalChildren;
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var isFirst = true;
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if (childWrapping == VisualWrapping.Wrap)
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{
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for (int i = 0, count = children.Count; i < count; i++)
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{
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var child = children[i];
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if (child == null) continue;
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var childSize = new PanelUvSize(_orientation, child.DesiredSize);
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var layoutSlotU = useItemU ? itemU : childSize.U;
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child.Arrange(isHorizontal ? new Rect(u, v, layoutSlotU, lineV) : new Rect(v, u, lineV, layoutSlotU));
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if (layoutSlotU > 0)
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if (itemHorizontalAlignmentSet)
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{
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u += layoutSlotU + spacing;
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child.SetCurrentValue(HorizontalAlignmentProperty, itemHorizontalAlignment);
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}
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}
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}
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private void ArrangeLine(double lineV, bool useItemU, double itemU, double spacing)
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{
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double u = 0;
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var isHorizontal = _orientation == Orientation.Horizontal;
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var children = InternalChildren;
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for (var i = 0; i < children.Count; i++)
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{
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var child = children[i];
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if (child == null) continue;
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var childSize = new PanelUvSize(_orientation, child.DesiredSize);
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var layoutSlotU = useItemU ? itemU : childSize.U;
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child.Arrange(isHorizontal ? new Rect(u, 0, layoutSlotU, lineV) : new Rect(0, u, lineV, layoutSlotU));
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if (layoutSlotU > 0)
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if (itemVerticalAlignmentSet)
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{
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u += layoutSlotU + spacing;
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child.SetCurrentValue(VerticalAlignmentProperty, itemVerticalAlignment);
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}
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}
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}
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protected override Size MeasureOverride(Size constraint)
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{
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var curLineSize = new PanelUvSize(_orientation);
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var panelSize = new PanelUvSize(_orientation);
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var uvConstraint = new PanelUvSize(_orientation, constraint);
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var itemWidth = ItemWidth;
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var itemHeight = ItemHeight;
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var itemWidthSet = !double.IsNaN(itemWidth);
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var itemHeightSet = !double.IsNaN(itemHeight);
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var childWrapping = ChildWrapping;
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var itemHorizontalAlignment = ItemHorizontalAlignment;
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var itemVerticalAlignment = ItemVerticalAlignment;
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var itemHorizontalAlignmentSet = itemHorizontalAlignment != null;
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var itemVerticalAlignmentSet = ItemVerticalAlignment != null;
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var spacingSize = GetSpacingSize();
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child.Measure(childConstraint);
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var childConstraint = new Size(
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itemWidthSet ? itemWidth : constraint.Width,
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itemHeightSet ? itemHeight : constraint.Height);
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var sz = new PanelUvSize(
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_orientation,
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itemWidthSet ? itemWidth : child.DesiredSize.Width,
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itemHeightSet ? itemHeight : child.DesiredSize.Height);
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var children = InternalChildren;
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var isFirst = true;
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if (childWrapping == VisualWrapping.Wrap)
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{
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for (int i = 0, count = children.Count; i < count; i++)
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if (MathHelper.GreaterThan(curLineSize.U + sz.U + spacingSize.U, uvConstraint.U))
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{
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var child = children[i];
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if (child == null) continue;
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panelSize.U = Math.Max(curLineSize.U, panelSize.U);
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panelSize.V += curLineSize.V + spacingSize.V;
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curLineSize = sz;
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if (itemHorizontalAlignmentSet)
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if (MathHelper.GreaterThan(sz.U, uvConstraint.U))
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{
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child.SetCurrentValue(HorizontalAlignmentProperty, itemHorizontalAlignment);
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panelSize.U = Math.Max(sz.U, panelSize.U);
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panelSize.V += sz.V + spacingSize.V;
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curLineSize = new PanelUvSize(_orientation);
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}
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if (itemVerticalAlignmentSet)
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{
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child.SetCurrentValue(VerticalAlignmentProperty, itemVerticalAlignment);
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}
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child.Measure(childConstraint);
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var sz = new PanelUvSize(
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_orientation,
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itemWidthSet ? itemWidth : child.DesiredSize.Width,
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itemHeightSet ? itemHeight : child.DesiredSize.Height);
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if (MathHelper.GreaterThan(curLineSize.U + sz.U + spacingSize.U, uvConstraint.U))
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{
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panelSize.U = Math.Max(curLineSize.U, panelSize.U);
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panelSize.V += curLineSize.V + spacingSize.V;
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curLineSize = sz;
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if (MathHelper.GreaterThan(sz.U, uvConstraint.U))
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{
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panelSize.U = Math.Max(sz.U, panelSize.U);
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panelSize.V += sz.V + spacingSize.V;
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curLineSize = new PanelUvSize(_orientation);
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}
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isFirst = true;
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}
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else
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{
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curLineSize.U += isFirst ? sz.U : sz.U + spacingSize.U;
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curLineSize.V = Math.Max(sz.V, curLineSize.V);
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isFirst = false;
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}
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}
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}
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else
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{
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var layoutSlotSize = constraint;
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if (_orientation == Orientation.Horizontal)
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{
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layoutSlotSize.Width = double.PositiveInfinity;
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isFirst = true;
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}
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else
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{
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layoutSlotSize.Height = double.PositiveInfinity;
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}
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for (int i = 0, count = children.Count; i < count; ++i)
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{
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var child = children[i];
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if (child == null) continue;
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if (itemHorizontalAlignmentSet)
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{
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child.SetCurrentValue(HorizontalAlignmentProperty, itemHorizontalAlignment);
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}
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if (itemVerticalAlignmentSet)
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{
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child.SetCurrentValue(VerticalAlignmentProperty, itemVerticalAlignment);
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}
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child.Measure(layoutSlotSize);
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var sz = new PanelUvSize(
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_orientation,
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itemWidthSet ? itemWidth : child.DesiredSize.Width,
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itemHeightSet ? itemHeight : child.DesiredSize.Height);
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curLineSize.U += isFirst ? sz.U : sz.U + spacingSize.U;
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curLineSize.V = Math.Max(sz.V, curLineSize.V);
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isFirst = false;
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}
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||||
}
|
||||
|
||||
panelSize.U = Math.Max(curLineSize.U, panelSize.U);
|
||||
panelSize.V += curLineSize.V;
|
||||
|
||||
return new Size(panelSize.Width, panelSize.Height);
|
||||
}
|
||||
|
||||
private PanelUvSize GetSpacingSize()
|
||||
else
|
||||
{
|
||||
var spacing = Spacing;
|
||||
var layoutSlotSize = constraint;
|
||||
|
||||
if (!double.IsNaN(spacing))
|
||||
if (_orientation == Orientation.Horizontal)
|
||||
{
|
||||
return new PanelUvSize(_orientation, spacing, spacing);
|
||||
}
|
||||
|
||||
var horizontalSpacing = HorizontalSpacing;
|
||||
if (double.IsNaN(horizontalSpacing))
|
||||
{
|
||||
horizontalSpacing = 0;
|
||||
}
|
||||
|
||||
var verticalSpacing = VerticalSpacing;
|
||||
if (double.IsNaN(verticalSpacing))
|
||||
{
|
||||
verticalSpacing = 0;
|
||||
}
|
||||
|
||||
return new PanelUvSize(_orientation, horizontalSpacing, verticalSpacing);
|
||||
}
|
||||
|
||||
protected override Size ArrangeOverride(Size finalSize)
|
||||
{
|
||||
var firstInLine = 0;
|
||||
var itemWidth = ItemWidth;
|
||||
var itemHeight = ItemHeight;
|
||||
double accumulatedV = 0;
|
||||
var itemU = _orientation == Orientation.Horizontal ? itemWidth : itemHeight;
|
||||
var curLineSize = new PanelUvSize(_orientation);
|
||||
var uvFinalSize = new PanelUvSize(_orientation, finalSize);
|
||||
var itemWidthSet = !double.IsNaN(itemWidth);
|
||||
var itemHeightSet = !double.IsNaN(itemHeight);
|
||||
var useItemU = _orientation == Orientation.Horizontal ? itemWidthSet : itemHeightSet;
|
||||
var childWrapping = ChildWrapping;
|
||||
var spacingSize = GetSpacingSize();
|
||||
|
||||
var children = InternalChildren;
|
||||
var isFirst = true;
|
||||
|
||||
if (childWrapping == VisualWrapping.Wrap)
|
||||
{
|
||||
for (int i = 0, count = children.Count; i < count; i++)
|
||||
{
|
||||
var child = children[i];
|
||||
if (child == null) continue;
|
||||
|
||||
var sz = new PanelUvSize(
|
||||
_orientation,
|
||||
itemWidthSet ? itemWidth : child.DesiredSize.Width,
|
||||
itemHeightSet ? itemHeight : child.DesiredSize.Height);
|
||||
|
||||
if (MathHelper.GreaterThan(curLineSize.U + (isFirst ? sz.U : sz.U + spacingSize.U), uvFinalSize.U))
|
||||
{
|
||||
ArrangeWrapLine(accumulatedV, curLineSize.V, firstInLine, i, useItemU, itemU, spacingSize.U);
|
||||
|
||||
accumulatedV += curLineSize.V + spacingSize.V;
|
||||
curLineSize = sz;
|
||||
|
||||
firstInLine = i;
|
||||
}
|
||||
else
|
||||
{
|
||||
curLineSize.U += isFirst ? sz.U : sz.U + spacingSize.U;
|
||||
curLineSize.V = Math.Max(sz.V, curLineSize.V);
|
||||
}
|
||||
|
||||
isFirst = false;
|
||||
}
|
||||
|
||||
if (firstInLine < children.Count)
|
||||
{
|
||||
ArrangeWrapLine(accumulatedV, curLineSize.V, firstInLine, children.Count, useItemU, itemU, spacingSize.U);
|
||||
}
|
||||
layoutSlotSize.Width = double.PositiveInfinity;
|
||||
}
|
||||
else
|
||||
{
|
||||
ArrangeLine(uvFinalSize.V, useItemU, itemU, spacingSize.U);
|
||||
layoutSlotSize.Height = double.PositiveInfinity;
|
||||
}
|
||||
|
||||
return finalSize;
|
||||
for (int i = 0, count = children.Count; i < count; ++i)
|
||||
{
|
||||
var child = children[i];
|
||||
if (child == null) continue;
|
||||
|
||||
if (itemHorizontalAlignmentSet)
|
||||
{
|
||||
child.SetCurrentValue(HorizontalAlignmentProperty, itemHorizontalAlignment);
|
||||
}
|
||||
|
||||
if (itemVerticalAlignmentSet)
|
||||
{
|
||||
child.SetCurrentValue(VerticalAlignmentProperty, itemVerticalAlignment);
|
||||
}
|
||||
|
||||
child.Measure(layoutSlotSize);
|
||||
|
||||
var sz = new PanelUvSize(
|
||||
_orientation,
|
||||
itemWidthSet ? itemWidth : child.DesiredSize.Width,
|
||||
itemHeightSet ? itemHeight : child.DesiredSize.Height);
|
||||
|
||||
curLineSize.U += isFirst ? sz.U : sz.U + spacingSize.U;
|
||||
curLineSize.V = Math.Max(sz.V, curLineSize.V);
|
||||
|
||||
isFirst = false;
|
||||
}
|
||||
}
|
||||
|
||||
panelSize.U = Math.Max(curLineSize.U, panelSize.U);
|
||||
panelSize.V += curLineSize.V;
|
||||
|
||||
return new Size(panelSize.Width, panelSize.Height);
|
||||
}
|
||||
}
|
||||
|
||||
private PanelUvSize GetSpacingSize()
|
||||
{
|
||||
var spacing = Spacing;
|
||||
|
||||
if (!double.IsNaN(spacing))
|
||||
{
|
||||
return new PanelUvSize(_orientation, spacing, spacing);
|
||||
}
|
||||
|
||||
var horizontalSpacing = HorizontalSpacing;
|
||||
if (double.IsNaN(horizontalSpacing))
|
||||
{
|
||||
horizontalSpacing = 0;
|
||||
}
|
||||
|
||||
var verticalSpacing = VerticalSpacing;
|
||||
if (double.IsNaN(verticalSpacing))
|
||||
{
|
||||
verticalSpacing = 0;
|
||||
}
|
||||
|
||||
return new PanelUvSize(_orientation, horizontalSpacing, verticalSpacing);
|
||||
}
|
||||
|
||||
protected override Size ArrangeOverride(Size finalSize)
|
||||
{
|
||||
var firstInLine = 0;
|
||||
var itemWidth = ItemWidth;
|
||||
var itemHeight = ItemHeight;
|
||||
double accumulatedV = 0;
|
||||
var itemU = _orientation == Orientation.Horizontal ? itemWidth : itemHeight;
|
||||
var curLineSize = new PanelUvSize(_orientation);
|
||||
var uvFinalSize = new PanelUvSize(_orientation, finalSize);
|
||||
var itemWidthSet = !double.IsNaN(itemWidth);
|
||||
var itemHeightSet = !double.IsNaN(itemHeight);
|
||||
var useItemU = _orientation == Orientation.Horizontal ? itemWidthSet : itemHeightSet;
|
||||
var childWrapping = ChildWrapping;
|
||||
var spacingSize = GetSpacingSize();
|
||||
|
||||
var children = InternalChildren;
|
||||
var isFirst = true;
|
||||
|
||||
if (childWrapping == VisualWrapping.Wrap)
|
||||
{
|
||||
for (int i = 0, count = children.Count; i < count; i++)
|
||||
{
|
||||
var child = children[i];
|
||||
if (child == null) continue;
|
||||
|
||||
var sz = new PanelUvSize(
|
||||
_orientation,
|
||||
itemWidthSet ? itemWidth : child.DesiredSize.Width,
|
||||
itemHeightSet ? itemHeight : child.DesiredSize.Height);
|
||||
|
||||
if (MathHelper.GreaterThan(curLineSize.U + (isFirst ? sz.U : sz.U + spacingSize.U), uvFinalSize.U))
|
||||
{
|
||||
ArrangeWrapLine(accumulatedV, curLineSize.V, firstInLine, i, useItemU, itemU, spacingSize.U);
|
||||
|
||||
accumulatedV += curLineSize.V + spacingSize.V;
|
||||
curLineSize = sz;
|
||||
|
||||
firstInLine = i;
|
||||
}
|
||||
else
|
||||
{
|
||||
curLineSize.U += isFirst ? sz.U : sz.U + spacingSize.U;
|
||||
curLineSize.V = Math.Max(sz.V, curLineSize.V);
|
||||
}
|
||||
|
||||
isFirst = false;
|
||||
}
|
||||
|
||||
if (firstInLine < children.Count)
|
||||
{
|
||||
ArrangeWrapLine(accumulatedV, curLineSize.V, firstInLine, children.Count, useItemU, itemU, spacingSize.U);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ArrangeLine(uvFinalSize.V, useItemU, itemU, spacingSize.U);
|
||||
}
|
||||
|
||||
return finalSize;
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user