chore: use file-scoped namespace
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@@ -10,289 +10,288 @@ using System.Windows.Media.Media3D;
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using HandyControl.Data;
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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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/// <summary>
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/// 封面流
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/// </summary>
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[TemplatePart(Name = ElementViewport3D, Type = typeof(Viewport3D))]
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[TemplatePart(Name = ElementCamera, Type = typeof(ProjectionCamera))]
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[TemplatePart(Name = ElementVisualParent, Type = typeof(ModelVisual3D))]
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public class CoverFlow : Control
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{
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private const string ElementViewport3D = "PART_Viewport3D";
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private const string ElementCamera = "PART_Camera";
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private const string ElementVisualParent = "PART_VisualParent";
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/// <summary>
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/// 封面流
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/// 最大显示数量的一半
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/// </summary>
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[TemplatePart(Name = ElementViewport3D, Type = typeof(Viewport3D))]
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[TemplatePart(Name = ElementCamera, Type = typeof(ProjectionCamera))]
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[TemplatePart(Name = ElementVisualParent, Type = typeof(ModelVisual3D))]
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public class CoverFlow : Control
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private const int MaxShowCountHalf = 3;
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/// <summary>
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/// 页码
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/// </summary>
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public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
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"PageIndex", typeof(int), typeof(CoverFlow),
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new PropertyMetadata(ValueBoxes.Int0Box, OnPageIndexChanged, CoercePageIndex));
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private static object CoercePageIndex(DependencyObject d, object baseValue)
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{
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private const string ElementViewport3D = "PART_Viewport3D";
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var ctl = (CoverFlow) d;
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var v = (int) baseValue;
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private const string ElementCamera = "PART_Camera";
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private const string ElementVisualParent = "PART_VisualParent";
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/// <summary>
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/// 最大显示数量的一半
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/// </summary>
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private const int MaxShowCountHalf = 3;
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/// <summary>
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/// 页码
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/// </summary>
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public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
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"PageIndex", typeof(int), typeof(CoverFlow),
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new PropertyMetadata(ValueBoxes.Int0Box, OnPageIndexChanged, CoercePageIndex));
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private static object CoercePageIndex(DependencyObject d, object baseValue)
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if (v < 0)
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{
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var ctl = (CoverFlow) d;
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var v = (int) baseValue;
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return 0;
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}
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if (v >= ctl._contentDic.Count)
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{
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return ctl._contentDic.Count - 1;
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}
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return v;
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}
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if (v < 0)
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{
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return 0;
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}
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if (v >= ctl._contentDic.Count)
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{
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return ctl._contentDic.Count - 1;
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}
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return v;
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private static void OnPageIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var ctl = (CoverFlow) d;
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ctl.UpdateIndex((int) e.NewValue);
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}
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/// <summary>
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/// 是否循环
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/// </summary>
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public static readonly DependencyProperty LoopProperty = DependencyProperty.Register(
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"Loop", typeof(bool), typeof(CoverFlow), new PropertyMetadata(ValueBoxes.FalseBox));
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/// <summary>
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/// 存储所有的内容
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/// </summary>
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private readonly Dictionary<int, object> _contentDic = new();
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/// <summary>
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/// 当前在显示范围内的项
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/// </summary>
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private readonly Dictionary<int, CoverFlowItem> _itemShowDic = new();
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/// <summary>
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/// 相机
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/// </summary>
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private ProjectionCamera _camera;
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private Point3DAnimation _point3DAnimation;
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/// <summary>
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/// 3d画布
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/// </summary>
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private Viewport3D _viewport3D;
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/// <summary>
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/// 项容器
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/// </summary>
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private ModelVisual3D _visualParent;
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/// <summary>
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/// 显示范围内第一个项的编号
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/// </summary>
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private int _firstShowIndex;
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/// <summary>
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/// 显示范围内最后一个项的编号
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/// </summary>
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private int _lastShowIndex;
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/// <summary>
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/// 页码
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/// </summary>
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public int PageIndex
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{
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get => (int) GetValue(PageIndexProperty);
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set => SetValue(PageIndexProperty, value);
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}
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/// <summary>
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/// 是否循环
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/// </summary>
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public bool Loop
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{
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get => (bool) GetValue(LoopProperty);
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set => SetValue(LoopProperty, ValueBoxes.BooleanBox(value));
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}
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public override void OnApplyTemplate()
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{
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if (_viewport3D != null)
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{
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_viewport3D.Children.Clear();
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_itemShowDic.Clear();
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_viewport3D.MouseLeftButtonDown -= Viewport3D_MouseLeftButtonDown;
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}
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private static void OnPageIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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base.OnApplyTemplate();
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_viewport3D = GetTemplateChild(ElementViewport3D) as Viewport3D;
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if (_viewport3D != null)
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{
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var ctl = (CoverFlow) d;
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ctl.UpdateIndex((int) e.NewValue);
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_viewport3D.MouseLeftButtonDown += Viewport3D_MouseLeftButtonDown;
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}
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/// <summary>
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/// 是否循环
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/// </summary>
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public static readonly DependencyProperty LoopProperty = DependencyProperty.Register(
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"Loop", typeof(bool), typeof(CoverFlow), new PropertyMetadata(ValueBoxes.FalseBox));
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_camera = GetTemplateChild(ElementCamera) as ProjectionCamera;
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_visualParent = GetTemplateChild(ElementVisualParent) as ModelVisual3D;
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/// <summary>
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/// 存储所有的内容
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/// </summary>
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private readonly Dictionary<int, object> _contentDic = new();
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UpdateShowRange();
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/// <summary>
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/// 当前在显示范围内的项
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/// </summary>
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private readonly Dictionary<int, CoverFlowItem> _itemShowDic = new();
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_point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * PageIndex, _camera.Position.Y, _camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
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_camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
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}
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/// <summary>
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/// 相机
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/// </summary>
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private ProjectionCamera _camera;
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private Point3DAnimation _point3DAnimation;
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/// <summary>
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/// 3d画布
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/// </summary>
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private Viewport3D _viewport3D;
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/// <summary>
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/// 项容器
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/// </summary>
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private ModelVisual3D _visualParent;
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/// <summary>
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/// 显示范围内第一个项的编号
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/// </summary>
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private int _firstShowIndex;
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/// <summary>
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/// 显示范围内最后一个项的编号
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/// </summary>
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private int _lastShowIndex;
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/// <summary>
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/// 页码
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/// </summary>
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public int PageIndex
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/// <summary>
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/// 批量添加资源
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/// </summary>
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/// <param name="contentList"></param>
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public void AddRange(IEnumerable<object> contentList)
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{
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foreach (var content in contentList)
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{
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get => (int) GetValue(PageIndexProperty);
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set => SetValue(PageIndexProperty, value);
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_contentDic.Add(_contentDic.Count, content);
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}
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}
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/// <summary>
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/// 添加一项资源
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/// </summary>
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/// <param name="uriString"></param>
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public void Add(string uriString) => _contentDic.Add(_contentDic.Count, new Uri(uriString));
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/// <summary>
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/// 添加一项资源
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/// </summary>
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/// <param name="uri"></param>
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public void Add(Uri uri) => _contentDic.Add(_contentDic.Count, uri);
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public void Next() => PageIndex++;
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public void Prev() => PageIndex--;
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protected override void OnMouseWheel(MouseWheelEventArgs e)
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{
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base.OnMouseWheel(e);
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if (e.Delta < 0)
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{
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var index = PageIndex + 1;
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PageIndex = index >= _contentDic.Count ? Loop ? 0 : _contentDic.Count - 1 : index;
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}
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else
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{
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var index = PageIndex - 1;
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PageIndex = index < 0 ? Loop ? _contentDic.Count - 1 : 0 : index;
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}
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/// <summary>
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/// 是否循环
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/// </summary>
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public bool Loop
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{
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get => (bool) GetValue(LoopProperty);
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set => SetValue(LoopProperty, ValueBoxes.BooleanBox(value));
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}
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e.Handled = true;
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}
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public override void OnApplyTemplate()
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/// <summary>
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/// 删除指定位置的项
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/// </summary>
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/// <param name="pos"></param>
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private void Remove(int pos)
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{
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if (!_itemShowDic.TryGetValue(pos, out var item)) return;
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_visualParent.Children.Remove(item);
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_itemShowDic.Remove(pos);
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}
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private void Viewport3D_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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{
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var result = (RayMeshGeometry3DHitTestResult) VisualTreeHelper.HitTest(_viewport3D, e.GetPosition(_viewport3D));
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if (result != null)
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{
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if (_viewport3D != null)
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foreach (var item in _itemShowDic.Values)
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{
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_viewport3D.Children.Clear();
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_itemShowDic.Clear();
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_viewport3D.MouseLeftButtonDown -= Viewport3D_MouseLeftButtonDown;
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}
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base.OnApplyTemplate();
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_viewport3D = GetTemplateChild(ElementViewport3D) as Viewport3D;
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if (_viewport3D != null)
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{
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_viewport3D.MouseLeftButtonDown += Viewport3D_MouseLeftButtonDown;
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}
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_camera = GetTemplateChild(ElementCamera) as ProjectionCamera;
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_visualParent = GetTemplateChild(ElementVisualParent) as ModelVisual3D;
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UpdateShowRange();
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_point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * PageIndex, _camera.Position.Y, _camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
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_camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
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}
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/// <summary>
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/// 批量添加资源
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/// </summary>
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/// <param name="contentList"></param>
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public void AddRange(IEnumerable<object> contentList)
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{
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foreach (var content in contentList)
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{
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_contentDic.Add(_contentDic.Count, content);
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if (item.HitTest(result.MeshHit))
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{
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PageIndex = item.Index;
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break;
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}
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}
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}
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}
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/// <summary>
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/// 添加一项资源
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/// </summary>
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/// <param name="uriString"></param>
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public void Add(string uriString) => _contentDic.Add(_contentDic.Count, new Uri(uriString));
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/// <summary>
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/// 添加一项资源
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/// </summary>
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/// <param name="uri"></param>
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public void Add(Uri uri) => _contentDic.Add(_contentDic.Count, uri);
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public void Next() => PageIndex++;
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public void Prev() => PageIndex--;
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protected override void OnMouseWheel(MouseWheelEventArgs e)
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/// <summary>
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/// 更新项的位置
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/// </summary>
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/// <param name="newIndex"></param>
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private void UpdateIndex(int newIndex)
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{
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if (!IsLoaded)
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{
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base.OnMouseWheel(e);
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return;
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}
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if (e.Delta < 0)
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UpdateShowRange();
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_itemShowDic.Do(item =>
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{
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if (item.Value.Index < _firstShowIndex || item.Value.Index > _lastShowIndex)
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{
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var index = PageIndex + 1;
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PageIndex = index >= _contentDic.Count ? Loop ? 0 : _contentDic.Count - 1 : index;
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Remove(item.Value.Index);
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}
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else
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{
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var index = PageIndex - 1;
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PageIndex = index < 0 ? Loop ? _contentDic.Count - 1 : 0 : index;
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item.Value.Move(PageIndex);
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}
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});
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e.Handled = true;
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}
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_point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * newIndex, _camera.Position.Y,
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_camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
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/// <summary>
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/// 删除指定位置的项
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/// </summary>
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/// <param name="pos"></param>
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private void Remove(int pos)
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{
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if (!_itemShowDic.TryGetValue(pos, out var item)) return;
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_visualParent.Children.Remove(item);
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_itemShowDic.Remove(pos);
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}
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private void Viewport3D_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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{
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var result = (RayMeshGeometry3DHitTestResult) VisualTreeHelper.HitTest(_viewport3D, e.GetPosition(_viewport3D));
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if (result != null)
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{
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foreach (var item in _itemShowDic.Values)
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{
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if (item.HitTest(result.MeshHit))
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{
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PageIndex = item.Index;
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break;
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}
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}
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}
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}
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/// <summary>
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/// 更新项的位置
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/// </summary>
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/// <param name="newIndex"></param>
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private void UpdateIndex(int newIndex)
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{
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if (!IsLoaded)
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{
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return;
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}
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UpdateShowRange();
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_itemShowDic.Do(item =>
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{
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if (item.Value.Index < _firstShowIndex || item.Value.Index > _lastShowIndex)
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{
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Remove(item.Value.Index);
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}
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else
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{
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item.Value.Move(PageIndex);
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}
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});
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_point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * newIndex, _camera.Position.Y,
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_camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
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_camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
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}
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/// <summary>
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/// 更新显示范围
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/// </summary>
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private void UpdateShowRange()
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{
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var newFirstShowIndex = Math.Max(PageIndex - MaxShowCountHalf, 0);
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var newLastShowIndex = Math.Min(PageIndex + MaxShowCountHalf, _contentDic.Count - 1);
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for (var i = newFirstShowIndex; i <= newLastShowIndex; i++)
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{
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if (!_itemShowDic.ContainsKey(i))
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{
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var cover = CreateCoverFlowItem(i, _contentDic[i]);
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_itemShowDic[i] = cover;
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_visualParent.Children.Add(cover);
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}
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}
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_firstShowIndex = newFirstShowIndex;
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_lastShowIndex = newLastShowIndex;
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}
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private CoverFlowItem CreateCoverFlowItem(int index, object content)
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{
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if (content is Uri uri)
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{
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try
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{
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return new CoverFlowItem(index, PageIndex, new Image
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{
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Source = BitmapFrame.Create(uri, BitmapCreateOptions.DelayCreation, BitmapCacheOption.OnDemand)
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});
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}
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catch
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{
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return new CoverFlowItem(index, PageIndex, new ContentControl());
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}
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}
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return new CoverFlowItem(index, PageIndex, new ContentControl
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{
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Content = content
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});
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}
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_camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
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}
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}
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/// <summary>
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/// 更新显示范围
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/// </summary>
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private void UpdateShowRange()
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{
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var newFirstShowIndex = Math.Max(PageIndex - MaxShowCountHalf, 0);
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var newLastShowIndex = Math.Min(PageIndex + MaxShowCountHalf, _contentDic.Count - 1);
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for (var i = newFirstShowIndex; i <= newLastShowIndex; i++)
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{
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if (!_itemShowDic.ContainsKey(i))
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{
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var cover = CreateCoverFlowItem(i, _contentDic[i]);
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_itemShowDic[i] = cover;
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_visualParent.Children.Add(cover);
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||||
}
|
||||
}
|
||||
|
||||
_firstShowIndex = newFirstShowIndex;
|
||||
_lastShowIndex = newLastShowIndex;
|
||||
}
|
||||
|
||||
private CoverFlowItem CreateCoverFlowItem(int index, object content)
|
||||
{
|
||||
if (content is Uri uri)
|
||||
{
|
||||
try
|
||||
{
|
||||
return new CoverFlowItem(index, PageIndex, new Image
|
||||
{
|
||||
Source = BitmapFrame.Create(uri, BitmapCreateOptions.DelayCreation, BitmapCacheOption.OnDemand)
|
||||
});
|
||||
}
|
||||
catch
|
||||
{
|
||||
return new CoverFlowItem(index, PageIndex, new ContentControl());
|
||||
}
|
||||
}
|
||||
|
||||
return new CoverFlowItem(index, PageIndex, new ContentControl
|
||||
{
|
||||
Content = content
|
||||
});
|
||||
}
|
||||
}
|
||||
@@ -4,154 +4,153 @@ using System.Windows.Media;
|
||||
using System.Windows.Media.Media3D;
|
||||
using HandyControl.Tools;
|
||||
|
||||
namespace HandyControl.Controls
|
||||
namespace HandyControl.Controls;
|
||||
|
||||
public class CoverFlowItem : ModelVisual3D
|
||||
{
|
||||
public class CoverFlowItem : ModelVisual3D
|
||||
internal static readonly double Interval = .2;
|
||||
|
||||
internal static readonly double AnimationSpeed = 400;
|
||||
|
||||
private readonly AxisAngleRotation3D _rotation3D;
|
||||
|
||||
private readonly TranslateTransform3D _transform3D;
|
||||
|
||||
private readonly Model3DGroup _model3DGroup;
|
||||
|
||||
private readonly UIElement _uiElement;
|
||||
|
||||
internal int Index { get; set; }
|
||||
|
||||
public CoverFlowItem(int itemIndex, int currentIndex, UIElement element)
|
||||
{
|
||||
internal static readonly double Interval = .2;
|
||||
Index = itemIndex;
|
||||
_uiElement = element;
|
||||
_uiElement.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
|
||||
|
||||
internal static readonly double AnimationSpeed = 400;
|
||||
_rotation3D = new AxisAngleRotation3D(new Vector3D(0, 1, 0), GetAngleByPos(currentIndex));
|
||||
_transform3D = new TranslateTransform3D(GetXByPos(currentIndex), 0, GetZByPos(currentIndex));
|
||||
|
||||
private readonly AxisAngleRotation3D _rotation3D;
|
||||
var transformGroup = new Transform3DGroup();
|
||||
transformGroup.Children.Add(new RotateTransform3D(_rotation3D));
|
||||
transformGroup.Children.Add(_transform3D);
|
||||
|
||||
private readonly TranslateTransform3D _transform3D;
|
||||
_model3DGroup = new Model3DGroup();
|
||||
_model3DGroup.Children.Add(new GeometryModel3D(CreateItemGeometry(), new DiffuseMaterial(new VisualBrush(element))));
|
||||
_model3DGroup.Transform = transformGroup;
|
||||
|
||||
private readonly Model3DGroup _model3DGroup;
|
||||
Content = _model3DGroup;
|
||||
}
|
||||
|
||||
private readonly UIElement _uiElement;
|
||||
|
||||
internal int Index { get; set; }
|
||||
|
||||
public CoverFlowItem(int itemIndex, int currentIndex, UIElement element)
|
||||
/// <summary>
|
||||
/// 创建网格形状
|
||||
/// </summary>
|
||||
/// <param name="p0"></param>
|
||||
/// <param name="p1"></param>
|
||||
/// <param name="p2"></param>
|
||||
/// <param name="p3"></param>
|
||||
/// <returns></returns>
|
||||
private static MeshGeometry3D CreateMeshGeometry(Point3D p0, Point3D p1, Point3D p2, Point3D p3)
|
||||
{
|
||||
var positions = new Point3DCollection
|
||||
{
|
||||
Index = itemIndex;
|
||||
_uiElement = element;
|
||||
_uiElement.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
|
||||
p0,
|
||||
p1,
|
||||
p2,
|
||||
p3
|
||||
};
|
||||
|
||||
_rotation3D = new AxisAngleRotation3D(new Vector3D(0, 1, 0), GetAngleByPos(currentIndex));
|
||||
_transform3D = new TranslateTransform3D(GetXByPos(currentIndex), 0, GetZByPos(currentIndex));
|
||||
|
||||
var transformGroup = new Transform3DGroup();
|
||||
transformGroup.Children.Add(new RotateTransform3D(_rotation3D));
|
||||
transformGroup.Children.Add(_transform3D);
|
||||
|
||||
_model3DGroup = new Model3DGroup();
|
||||
_model3DGroup.Children.Add(new GeometryModel3D(CreateItemGeometry(), new DiffuseMaterial(new VisualBrush(element))));
|
||||
_model3DGroup.Transform = transformGroup;
|
||||
|
||||
Content = _model3DGroup;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 创建网格形状
|
||||
/// </summary>
|
||||
/// <param name="p0"></param>
|
||||
/// <param name="p1"></param>
|
||||
/// <param name="p2"></param>
|
||||
/// <param name="p3"></param>
|
||||
/// <returns></returns>
|
||||
private static MeshGeometry3D CreateMeshGeometry(Point3D p0, Point3D p1, Point3D p2, Point3D p3)
|
||||
var triangleIndices = new Int32Collection
|
||||
{
|
||||
var positions = new Point3DCollection
|
||||
{
|
||||
p0,
|
||||
p1,
|
||||
p2,
|
||||
p3
|
||||
};
|
||||
0,
|
||||
1,
|
||||
2,
|
||||
2,
|
||||
3,
|
||||
0
|
||||
};
|
||||
|
||||
var triangleIndices = new Int32Collection
|
||||
{
|
||||
0,
|
||||
1,
|
||||
2,
|
||||
2,
|
||||
3,
|
||||
0
|
||||
};
|
||||
|
||||
var textureCoordinates = new PointCollection
|
||||
{
|
||||
new(0, 1),
|
||||
new(1, 1),
|
||||
new(1, 0),
|
||||
new(0, 0),
|
||||
new(1, 0),
|
||||
new(1, 1)
|
||||
};
|
||||
|
||||
var normals = new Vector3DCollection
|
||||
{
|
||||
ArithmeticHelper.CalNormal(p0, p1, p2),
|
||||
ArithmeticHelper.CalNormal(p2, p3, p0)
|
||||
};
|
||||
|
||||
var geometry3D = new MeshGeometry3D
|
||||
{
|
||||
Positions = positions,
|
||||
TriangleIndices = triangleIndices,
|
||||
TextureCoordinates = textureCoordinates,
|
||||
Normals = normals
|
||||
};
|
||||
|
||||
geometry3D.Freeze();
|
||||
return geometry3D;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 创建内容形状
|
||||
/// </summary>
|
||||
/// <returns></returns>
|
||||
private Geometry3D CreateItemGeometry()
|
||||
var textureCoordinates = new PointCollection
|
||||
{
|
||||
var sx = _uiElement.DesiredSize.Width > _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Width / _uiElement.DesiredSize.Height;
|
||||
var sy = _uiElement.DesiredSize.Width < _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Height / _uiElement.DesiredSize.Width;
|
||||
new(0, 1),
|
||||
new(1, 1),
|
||||
new(1, 0),
|
||||
new(0, 0),
|
||||
new(1, 0),
|
||||
new(1, 1)
|
||||
};
|
||||
|
||||
var p0 = new Point3D(-1 + sx, -1 + sy, 0);
|
||||
var p1 = new Point3D(1 - sx, -1 + sy, 0);
|
||||
var p2 = new Point3D(1 - sx, 1 - sy, 0);
|
||||
var p3 = new Point3D(-1 + sx, 1 - sy, 0);
|
||||
|
||||
return CreateMeshGeometry(p0, p1, p2, p3);
|
||||
}
|
||||
|
||||
private double GetAngleByPos(int index) => Math.Sign(Index - index) * -90;
|
||||
|
||||
private double GetXByPos(int index) => Index * Interval + Math.Sign(Index - index) * 1.5;
|
||||
|
||||
private double GetZByPos(int index) => Index == index ? 1 : 0;
|
||||
|
||||
/// <summary>
|
||||
/// 移动
|
||||
/// </summary>
|
||||
internal void Move(int currentIndex)
|
||||
var normals = new Vector3DCollection
|
||||
{
|
||||
_rotation3D.BeginAnimation(AxisAngleRotation3D.AngleProperty,
|
||||
AnimationHelper.CreateAnimation(GetAngleByPos(currentIndex), AnimationSpeed));
|
||||
_transform3D.BeginAnimation(TranslateTransform3D.OffsetXProperty,
|
||||
AnimationHelper.CreateAnimation(GetXByPos(currentIndex), AnimationSpeed));
|
||||
_transform3D.BeginAnimation(TranslateTransform3D.OffsetZProperty,
|
||||
AnimationHelper.CreateAnimation(GetZByPos(currentIndex), AnimationSpeed));
|
||||
}
|
||||
ArithmeticHelper.CalNormal(p0, p1, p2),
|
||||
ArithmeticHelper.CalNormal(p2, p3, p0)
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// 命中测试
|
||||
/// </summary>
|
||||
/// <param name="mesh"></param>
|
||||
/// <returns></returns>
|
||||
internal bool HitTest(MeshGeometry3D mesh)
|
||||
var geometry3D = new MeshGeometry3D
|
||||
{
|
||||
foreach (var item in _model3DGroup.Children)
|
||||
Positions = positions,
|
||||
TriangleIndices = triangleIndices,
|
||||
TextureCoordinates = textureCoordinates,
|
||||
Normals = normals
|
||||
};
|
||||
|
||||
geometry3D.Freeze();
|
||||
return geometry3D;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 创建内容形状
|
||||
/// </summary>
|
||||
/// <returns></returns>
|
||||
private Geometry3D CreateItemGeometry()
|
||||
{
|
||||
var sx = _uiElement.DesiredSize.Width > _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Width / _uiElement.DesiredSize.Height;
|
||||
var sy = _uiElement.DesiredSize.Width < _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Height / _uiElement.DesiredSize.Width;
|
||||
|
||||
var p0 = new Point3D(-1 + sx, -1 + sy, 0);
|
||||
var p1 = new Point3D(1 - sx, -1 + sy, 0);
|
||||
var p2 = new Point3D(1 - sx, 1 - sy, 0);
|
||||
var p3 = new Point3D(-1 + sx, 1 - sy, 0);
|
||||
|
||||
return CreateMeshGeometry(p0, p1, p2, p3);
|
||||
}
|
||||
|
||||
private double GetAngleByPos(int index) => Math.Sign(Index - index) * -90;
|
||||
|
||||
private double GetXByPos(int index) => Index * Interval + Math.Sign(Index - index) * 1.5;
|
||||
|
||||
private double GetZByPos(int index) => Index == index ? 1 : 0;
|
||||
|
||||
/// <summary>
|
||||
/// 移动
|
||||
/// </summary>
|
||||
internal void Move(int currentIndex)
|
||||
{
|
||||
_rotation3D.BeginAnimation(AxisAngleRotation3D.AngleProperty,
|
||||
AnimationHelper.CreateAnimation(GetAngleByPos(currentIndex), AnimationSpeed));
|
||||
_transform3D.BeginAnimation(TranslateTransform3D.OffsetXProperty,
|
||||
AnimationHelper.CreateAnimation(GetXByPos(currentIndex), AnimationSpeed));
|
||||
_transform3D.BeginAnimation(TranslateTransform3D.OffsetZProperty,
|
||||
AnimationHelper.CreateAnimation(GetZByPos(currentIndex), AnimationSpeed));
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 命中测试
|
||||
/// </summary>
|
||||
/// <param name="mesh"></param>
|
||||
/// <returns></returns>
|
||||
internal bool HitTest(MeshGeometry3D mesh)
|
||||
{
|
||||
foreach (var item in _model3DGroup.Children)
|
||||
{
|
||||
if (item is GeometryModel3D geometryModel3D)
|
||||
{
|
||||
if (item is GeometryModel3D geometryModel3D)
|
||||
if (Equals(geometryModel3D.Geometry, mesh))
|
||||
{
|
||||
if (Equals(geometryModel3D.Geometry, mesh))
|
||||
{
|
||||
return true;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -6,419 +6,418 @@ using System.Windows.Data;
|
||||
using HandyControl.Data;
|
||||
using HandyControl.Tools;
|
||||
|
||||
namespace HandyControl.Controls
|
||||
namespace HandyControl.Controls;
|
||||
|
||||
public class CoverView : RegularItemsControl
|
||||
{
|
||||
public class CoverView : RegularItemsControl
|
||||
private readonly CoverViewContent _viewContent;
|
||||
|
||||
private CoverViewItem _selectedItem;
|
||||
|
||||
private IEnumerable _itemsSourceInternal;
|
||||
|
||||
private readonly Dictionary<object, CoverViewItem> _entryDic = new();
|
||||
|
||||
private bool _isRefresh;
|
||||
|
||||
public CoverView()
|
||||
{
|
||||
private readonly CoverViewContent _viewContent;
|
||||
_viewContent = new CoverViewContent();
|
||||
|
||||
private CoverViewItem _selectedItem;
|
||||
AddHandler(SelectableItem.SelectedEvent, new RoutedEventHandler(CoverViewItem_OnSelected));
|
||||
_viewContent.SetBinding(CoverViewContent.ContentHeightProperty, new Binding(ItemContentHeightProperty.Name) { Source = this });
|
||||
_viewContent.SetBinding(WidthProperty, new Binding(ActualWidthProperty.Name) { Source = this });
|
||||
}
|
||||
|
||||
private IEnumerable _itemsSourceInternal;
|
||||
|
||||
private readonly Dictionary<object, CoverViewItem> _entryDic = new();
|
||||
|
||||
private bool _isRefresh;
|
||||
|
||||
public CoverView()
|
||||
private void CoverViewItem_OnSelected(object sender, RoutedEventArgs e)
|
||||
{
|
||||
if (e.OriginalSource is CoverViewItem item)
|
||||
{
|
||||
_viewContent = new CoverViewContent();
|
||||
|
||||
AddHandler(SelectableItem.SelectedEvent, new RoutedEventHandler(CoverViewItem_OnSelected));
|
||||
_viewContent.SetBinding(CoverViewContent.ContentHeightProperty, new Binding(ItemContentHeightProperty.Name) { Source = this });
|
||||
_viewContent.SetBinding(WidthProperty, new Binding(ActualWidthProperty.Name) { Source = this });
|
||||
}
|
||||
|
||||
private void CoverViewItem_OnSelected(object sender, RoutedEventArgs e)
|
||||
{
|
||||
if (e.OriginalSource is CoverViewItem item)
|
||||
{
|
||||
if (_selectedItem == null)
|
||||
{
|
||||
item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
|
||||
_selectedItem = item;
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_viewContent.Content = item.Content;
|
||||
_viewContent.ContentTemplate = ItemTemplate;
|
||||
UpdateCoverViewContent(true);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (!Equals(_selectedItem, item))
|
||||
{
|
||||
_selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
|
||||
item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
|
||||
_selectedItem = item;
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_viewContent.Content = item.Content;
|
||||
UpdateCoverViewContent(true);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_viewContent.Content = null;
|
||||
_viewContent.ContentTemplate = null;
|
||||
UpdateCoverViewContent(false);
|
||||
}
|
||||
_selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
|
||||
_selectedItem = null;
|
||||
}
|
||||
}
|
||||
|
||||
public override void OnApplyTemplate()
|
||||
{
|
||||
base.OnApplyTemplate();
|
||||
|
||||
_viewContent.Style ??= CoverViewContentStyle;
|
||||
|
||||
if (_selectedItem != null)
|
||||
{
|
||||
UpdateCoverViewContent(_selectedItem != null);
|
||||
}
|
||||
}
|
||||
|
||||
protected override DependencyObject GetContainerForItemOverride() => new CoverViewItem();
|
||||
|
||||
private void SetBindingForItem(FrameworkElement item)
|
||||
{
|
||||
item.SetBinding(MarginProperty, new Binding(ItemMarginProperty.Name) { Source = this });
|
||||
item.SetBinding(WidthProperty, new Binding(ItemWidthProperty.Name) { Source = this });
|
||||
item.SetBinding(HeightProperty, new Binding(ItemHeightProperty.Name) { Source = this });
|
||||
item.SetBinding(HeaderedSelectableItem.HeaderTemplateProperty, new Binding(ItemHeaderTemplateProperty.Name) { Source = this });
|
||||
}
|
||||
|
||||
protected override bool IsItemItsOwnContainerOverride(object item) => item is CoverViewItem;
|
||||
|
||||
public static readonly DependencyProperty CoverViewContentStyleProperty = DependencyProperty.Register(
|
||||
"CoverViewContentStyle", typeof(Style), typeof(CoverView), new PropertyMetadata(default(Style)));
|
||||
|
||||
public Style CoverViewContentStyle
|
||||
{
|
||||
get => (Style) GetValue(CoverViewContentStyleProperty);
|
||||
set => SetValue(CoverViewContentStyleProperty, value);
|
||||
}
|
||||
|
||||
internal static readonly DependencyProperty GroupsProperty = DependencyProperty.Register(
|
||||
"Groups", typeof(int), typeof(CoverView),
|
||||
new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsMeasure,
|
||||
OnGroupsChanged), IsGroupsValid);
|
||||
|
||||
internal static void OnGroupsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
if (d is CoverView ctl)
|
||||
{
|
||||
ctl.UpdateCoverViewContent(ctl._viewContent.IsOpen);
|
||||
}
|
||||
}
|
||||
|
||||
private static bool IsGroupsValid(object value)
|
||||
{
|
||||
var v = (int) value;
|
||||
return v >= 1;
|
||||
}
|
||||
|
||||
public int Groups
|
||||
{
|
||||
get => (int) GetValue(GroupsProperty);
|
||||
set => SetValue(GroupsProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ItemContentHeightProperty = DependencyProperty.Register(
|
||||
"ItemContentHeight", typeof(double), typeof(CoverView), new PropertyMetadata(ValueBoxes.Double300Box),
|
||||
ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
|
||||
|
||||
public double ItemContentHeight
|
||||
{
|
||||
get => (double) GetValue(ItemContentHeightProperty);
|
||||
set => SetValue(ItemContentHeightProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ItemContentHeightFixedProperty = DependencyProperty.Register(
|
||||
"ItemContentHeightFixed", typeof(bool), typeof(CoverView), new PropertyMetadata(ValueBoxes.TrueBox));
|
||||
|
||||
public bool ItemContentHeightFixed
|
||||
{
|
||||
get => (bool) GetValue(ItemContentHeightFixedProperty);
|
||||
set => SetValue(ItemContentHeightFixedProperty, ValueBoxes.BooleanBox(value));
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ItemHeaderTemplateProperty = DependencyProperty.Register(
|
||||
"ItemHeaderTemplate", typeof(DataTemplate), typeof(CoverView), new PropertyMetadata(default(DataTemplate)));
|
||||
|
||||
public DataTemplate ItemHeaderTemplate
|
||||
{
|
||||
get => (DataTemplate) GetValue(ItemHeaderTemplateProperty);
|
||||
set => SetValue(ItemHeaderTemplateProperty, value);
|
||||
}
|
||||
|
||||
protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
|
||||
{
|
||||
base.OnRenderSizeChanged(sizeInfo);
|
||||
|
||||
Groups = (int) (sizeInfo.NewSize.Width / (ItemWidth + ItemMargin.Left + ItemMargin.Right));
|
||||
}
|
||||
|
||||
protected override void Refresh()
|
||||
{
|
||||
if (ItemsHost == null) return;
|
||||
|
||||
_entryDic.Clear();
|
||||
_isRefresh = true;
|
||||
|
||||
foreach (var item in Items)
|
||||
{
|
||||
AddItem(item);
|
||||
}
|
||||
|
||||
_isRefresh = false;
|
||||
GenerateIndex();
|
||||
UpdateCoverViewContent(_viewContent.IsOpen);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 更新内容视图
|
||||
/// </summary>
|
||||
private void UpdateCoverViewContent(bool isOpen)
|
||||
{
|
||||
if (_selectedItem == null) return;
|
||||
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
|
||||
if (!ItemContentHeightFixed)
|
||||
{
|
||||
_viewContent.ManualHeight = 0;
|
||||
if (_viewContent.Content is FrameworkElement element)
|
||||
{
|
||||
element.VerticalAlignment = VerticalAlignment.Top;
|
||||
element.Arrange(new Rect(new Size(double.MaxValue, double.MaxValue)));
|
||||
_viewContent.ManualHeight = element.ActualHeight;
|
||||
}
|
||||
}
|
||||
|
||||
UpdateCoverViewContentPosition();
|
||||
if (_viewContent.CanSwitch)
|
||||
{
|
||||
_viewContent.IsOpen = isOpen;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 更新内容视图位置
|
||||
/// </summary>
|
||||
private void UpdateCoverViewContentPosition()
|
||||
{
|
||||
if (_viewContent.Parent != null)
|
||||
{
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
}
|
||||
|
||||
if (_selectedItem == null)
|
||||
{
|
||||
item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
|
||||
_selectedItem = item;
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_viewContent.Content = item.Content;
|
||||
_viewContent.ContentTemplate = ItemTemplate;
|
||||
UpdateCoverViewContent(true);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
var total = _entryDic.Count + 1;
|
||||
var totalRow = total / Groups + (total % Groups > 0 ? 1 : 0);
|
||||
if (total <= Groups)
|
||||
if (!Equals(_selectedItem, item))
|
||||
{
|
||||
_selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
|
||||
item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
|
||||
_selectedItem = item;
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_viewContent.Content = item.Content;
|
||||
UpdateCoverViewContent(true);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_viewContent.Content = null;
|
||||
_viewContent.ContentTemplate = null;
|
||||
UpdateCoverViewContent(false);
|
||||
}
|
||||
_selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
|
||||
_selectedItem = null;
|
||||
}
|
||||
}
|
||||
|
||||
public override void OnApplyTemplate()
|
||||
{
|
||||
base.OnApplyTemplate();
|
||||
|
||||
_viewContent.Style ??= CoverViewContentStyle;
|
||||
|
||||
if (_selectedItem != null)
|
||||
{
|
||||
UpdateCoverViewContent(_selectedItem != null);
|
||||
}
|
||||
}
|
||||
|
||||
protected override DependencyObject GetContainerForItemOverride() => new CoverViewItem();
|
||||
|
||||
private void SetBindingForItem(FrameworkElement item)
|
||||
{
|
||||
item.SetBinding(MarginProperty, new Binding(ItemMarginProperty.Name) { Source = this });
|
||||
item.SetBinding(WidthProperty, new Binding(ItemWidthProperty.Name) { Source = this });
|
||||
item.SetBinding(HeightProperty, new Binding(ItemHeightProperty.Name) { Source = this });
|
||||
item.SetBinding(HeaderedSelectableItem.HeaderTemplateProperty, new Binding(ItemHeaderTemplateProperty.Name) { Source = this });
|
||||
}
|
||||
|
||||
protected override bool IsItemItsOwnContainerOverride(object item) => item is CoverViewItem;
|
||||
|
||||
public static readonly DependencyProperty CoverViewContentStyleProperty = DependencyProperty.Register(
|
||||
"CoverViewContentStyle", typeof(Style), typeof(CoverView), new PropertyMetadata(default(Style)));
|
||||
|
||||
public Style CoverViewContentStyle
|
||||
{
|
||||
get => (Style) GetValue(CoverViewContentStyleProperty);
|
||||
set => SetValue(CoverViewContentStyleProperty, value);
|
||||
}
|
||||
|
||||
internal static readonly DependencyProperty GroupsProperty = DependencyProperty.Register(
|
||||
"Groups", typeof(int), typeof(CoverView),
|
||||
new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsMeasure,
|
||||
OnGroupsChanged), IsGroupsValid);
|
||||
|
||||
internal static void OnGroupsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
if (d is CoverView ctl)
|
||||
{
|
||||
ctl.UpdateCoverViewContent(ctl._viewContent.IsOpen);
|
||||
}
|
||||
}
|
||||
|
||||
private static bool IsGroupsValid(object value)
|
||||
{
|
||||
var v = (int) value;
|
||||
return v >= 1;
|
||||
}
|
||||
|
||||
public int Groups
|
||||
{
|
||||
get => (int) GetValue(GroupsProperty);
|
||||
set => SetValue(GroupsProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ItemContentHeightProperty = DependencyProperty.Register(
|
||||
"ItemContentHeight", typeof(double), typeof(CoverView), new PropertyMetadata(ValueBoxes.Double300Box),
|
||||
ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
|
||||
|
||||
public double ItemContentHeight
|
||||
{
|
||||
get => (double) GetValue(ItemContentHeightProperty);
|
||||
set => SetValue(ItemContentHeightProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ItemContentHeightFixedProperty = DependencyProperty.Register(
|
||||
"ItemContentHeightFixed", typeof(bool), typeof(CoverView), new PropertyMetadata(ValueBoxes.TrueBox));
|
||||
|
||||
public bool ItemContentHeightFixed
|
||||
{
|
||||
get => (bool) GetValue(ItemContentHeightFixedProperty);
|
||||
set => SetValue(ItemContentHeightFixedProperty, ValueBoxes.BooleanBox(value));
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ItemHeaderTemplateProperty = DependencyProperty.Register(
|
||||
"ItemHeaderTemplate", typeof(DataTemplate), typeof(CoverView), new PropertyMetadata(default(DataTemplate)));
|
||||
|
||||
public DataTemplate ItemHeaderTemplate
|
||||
{
|
||||
get => (DataTemplate) GetValue(ItemHeaderTemplateProperty);
|
||||
set => SetValue(ItemHeaderTemplateProperty, value);
|
||||
}
|
||||
|
||||
protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
|
||||
{
|
||||
base.OnRenderSizeChanged(sizeInfo);
|
||||
|
||||
Groups = (int) (sizeInfo.NewSize.Width / (ItemWidth + ItemMargin.Left + ItemMargin.Right));
|
||||
}
|
||||
|
||||
protected override void Refresh()
|
||||
{
|
||||
if (ItemsHost == null) return;
|
||||
|
||||
_entryDic.Clear();
|
||||
_isRefresh = true;
|
||||
|
||||
foreach (var item in Items)
|
||||
{
|
||||
AddItem(item);
|
||||
}
|
||||
|
||||
_isRefresh = false;
|
||||
GenerateIndex();
|
||||
UpdateCoverViewContent(_viewContent.IsOpen);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 更新内容视图
|
||||
/// </summary>
|
||||
private void UpdateCoverViewContent(bool isOpen)
|
||||
{
|
||||
if (_selectedItem == null) return;
|
||||
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
|
||||
if (!ItemContentHeightFixed)
|
||||
{
|
||||
_viewContent.ManualHeight = 0;
|
||||
if (_viewContent.Content is FrameworkElement element)
|
||||
{
|
||||
element.VerticalAlignment = VerticalAlignment.Top;
|
||||
element.Arrange(new Rect(new Size(double.MaxValue, double.MaxValue)));
|
||||
_viewContent.ManualHeight = element.ActualHeight;
|
||||
}
|
||||
}
|
||||
|
||||
UpdateCoverViewContentPosition();
|
||||
if (_viewContent.CanSwitch)
|
||||
{
|
||||
_viewContent.IsOpen = isOpen;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 更新内容视图位置
|
||||
/// </summary>
|
||||
private void UpdateCoverViewContentPosition()
|
||||
{
|
||||
if (_viewContent.Parent != null)
|
||||
{
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
}
|
||||
|
||||
if (_selectedItem == null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
var total = _entryDic.Count + 1;
|
||||
var totalRow = total / Groups + (total % Groups > 0 ? 1 : 0);
|
||||
if (total <= Groups)
|
||||
{
|
||||
ItemsHost.Children.Add(_viewContent);
|
||||
}
|
||||
else
|
||||
{
|
||||
var row = _selectedItem.Index / Groups + 1;
|
||||
if (row == totalRow)
|
||||
{
|
||||
ItemsHost.Children.Add(_viewContent);
|
||||
}
|
||||
else
|
||||
{
|
||||
var row = _selectedItem.Index / Groups + 1;
|
||||
if (row == totalRow)
|
||||
{
|
||||
ItemsHost.Children.Add(_viewContent);
|
||||
}
|
||||
else
|
||||
{
|
||||
ItemsHost.Children.Insert(row * Groups, _viewContent);
|
||||
}
|
||||
}
|
||||
|
||||
_viewContent.UpdatePosition(_selectedItem.Index, Groups, _selectedItem.DesiredSize.Width);
|
||||
}
|
||||
|
||||
protected override void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
|
||||
{
|
||||
if (_itemsSourceInternal != null)
|
||||
{
|
||||
if (_itemsSourceInternal is INotifyCollectionChanged s)
|
||||
{
|
||||
s.CollectionChanged -= InternalCollectionChanged;
|
||||
}
|
||||
|
||||
Items.Clear();
|
||||
ClearItems();
|
||||
}
|
||||
_itemsSourceInternal = newValue;
|
||||
if (_itemsSourceInternal != null)
|
||||
{
|
||||
if (_itemsSourceInternal is INotifyCollectionChanged s)
|
||||
{
|
||||
s.CollectionChanged += InternalCollectionChanged;
|
||||
}
|
||||
foreach (var item in _itemsSourceInternal)
|
||||
{
|
||||
AddItem(item);
|
||||
}
|
||||
}
|
||||
|
||||
if (ItemsHost != null)
|
||||
{
|
||||
GenerateIndex();
|
||||
ItemsHost.Children.Insert(row * Groups, _viewContent);
|
||||
}
|
||||
}
|
||||
|
||||
private void ClearItems()
|
||||
{
|
||||
_selectedItem = null;
|
||||
_viewContent.Content = null;
|
||||
_viewContent.ContentTemplate = null;
|
||||
_viewContent.UpdatePosition(_selectedItem.Index, Groups, _selectedItem.DesiredSize.Width);
|
||||
}
|
||||
|
||||
if (ItemsHost != null)
|
||||
protected override void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
|
||||
{
|
||||
if (_itemsSourceInternal != null)
|
||||
{
|
||||
if (_itemsSourceInternal is INotifyCollectionChanged s)
|
||||
{
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
ItemsHost.Children.Clear();
|
||||
s.CollectionChanged -= InternalCollectionChanged;
|
||||
}
|
||||
|
||||
_entryDic.Clear();
|
||||
Items.Clear();
|
||||
ClearItems();
|
||||
}
|
||||
_itemsSourceInternal = newValue;
|
||||
if (_itemsSourceInternal != null)
|
||||
{
|
||||
if (_itemsSourceInternal is INotifyCollectionChanged s)
|
||||
{
|
||||
s.CollectionChanged += InternalCollectionChanged;
|
||||
}
|
||||
foreach (var item in _itemsSourceInternal)
|
||||
{
|
||||
AddItem(item);
|
||||
}
|
||||
}
|
||||
|
||||
private void RemoveItem(object item)
|
||||
if (ItemsHost != null)
|
||||
{
|
||||
if (_entryDic.TryGetValue(item, out var entry))
|
||||
GenerateIndex();
|
||||
}
|
||||
}
|
||||
|
||||
private void ClearItems()
|
||||
{
|
||||
_selectedItem = null;
|
||||
_viewContent.Content = null;
|
||||
_viewContent.ContentTemplate = null;
|
||||
|
||||
if (ItemsHost != null)
|
||||
{
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
ItemsHost.Children.Clear();
|
||||
}
|
||||
|
||||
_entryDic.Clear();
|
||||
}
|
||||
|
||||
private void RemoveItem(object item)
|
||||
{
|
||||
if (_entryDic.TryGetValue(item, out var entry))
|
||||
{
|
||||
if (ReferenceEquals(entry, _selectedItem))
|
||||
{
|
||||
if (ReferenceEquals(entry, _selectedItem))
|
||||
_selectedItem = null;
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_selectedItem = null;
|
||||
if (_viewContent != null)
|
||||
{
|
||||
_viewContent.Content = null;
|
||||
_viewContent.IsOpen = false;
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
}
|
||||
_viewContent.Content = null;
|
||||
_viewContent.IsOpen = false;
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
}
|
||||
|
||||
ItemsHost.Children.Remove(entry);
|
||||
Items.Remove(item);
|
||||
_entryDic.Remove(item);
|
||||
}
|
||||
|
||||
ItemsHost.Children.Remove(entry);
|
||||
Items.Remove(item);
|
||||
_entryDic.Remove(item);
|
||||
}
|
||||
}
|
||||
|
||||
private void AddItem(object item) => InsertItem(_entryDic.Count, item);
|
||||
private void AddItem(object item) => InsertItem(_entryDic.Count, item);
|
||||
|
||||
private void InsertItem(int index, object item)
|
||||
private void InsertItem(int index, object item)
|
||||
{
|
||||
if (ItemsHost == null)
|
||||
{
|
||||
if (ItemsHost == null)
|
||||
Items.Insert(index, item);
|
||||
_entryDic.Add(item, null);
|
||||
}
|
||||
else
|
||||
{
|
||||
DependencyObject container;
|
||||
if (IsItemItsOwnContainerOverride(item))
|
||||
{
|
||||
Items.Insert(index, item);
|
||||
_entryDic.Add(item, null);
|
||||
container = item as DependencyObject;
|
||||
}
|
||||
else
|
||||
{
|
||||
DependencyObject container;
|
||||
if (IsItemItsOwnContainerOverride(item))
|
||||
{
|
||||
container = item as DependencyObject;
|
||||
}
|
||||
else
|
||||
{
|
||||
container = GetContainerForItemOverride();
|
||||
PrepareContainerForItemOverride(container, item);
|
||||
}
|
||||
|
||||
if (container is CoverViewItem element)
|
||||
{
|
||||
SetBindingForItem(element);
|
||||
element.Style = ItemContainerStyle;
|
||||
element.Header ??= item;
|
||||
_entryDic[item] = element;
|
||||
ItemsHost.Children.Insert(index, element);
|
||||
|
||||
if (IsLoaded && !_isRefresh && _itemsSourceInternal != null)
|
||||
{
|
||||
Items.Insert(index, item);
|
||||
}
|
||||
}
|
||||
container = GetContainerForItemOverride();
|
||||
PrepareContainerForItemOverride(container, item);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 生成序号
|
||||
/// </summary>
|
||||
private void GenerateIndex()
|
||||
{
|
||||
var index = 0;
|
||||
foreach (var item in _entryDic.Values)
|
||||
if (container is CoverViewItem element)
|
||||
{
|
||||
item.Index = index++;
|
||||
}
|
||||
}
|
||||
SetBindingForItem(element);
|
||||
element.Style = ItemContainerStyle;
|
||||
element.Header ??= item;
|
||||
_entryDic[item] = element;
|
||||
ItemsHost.Children.Insert(index, element);
|
||||
|
||||
private void InternalCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
|
||||
{
|
||||
if (ItemsHost == null) return;
|
||||
|
||||
if (e.Action == NotifyCollectionChangedAction.Reset)
|
||||
{
|
||||
if (_entryDic.Count == 0) return;
|
||||
ClearItems();
|
||||
Items.Clear();
|
||||
return;
|
||||
}
|
||||
|
||||
if (e.OldItems != null)
|
||||
{
|
||||
foreach (var item in e.OldItems)
|
||||
if (IsLoaded && !_isRefresh && _itemsSourceInternal != null)
|
||||
{
|
||||
RemoveItem(item);
|
||||
Items.Insert(index, item);
|
||||
}
|
||||
}
|
||||
if (e.NewItems != null)
|
||||
{
|
||||
if (_viewContent.IsOpen)
|
||||
{
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
}
|
||||
|
||||
var count = 0;
|
||||
foreach (var item in e.NewItems)
|
||||
{
|
||||
var index = e.NewStartingIndex + count++;
|
||||
InsertItem(index, item);
|
||||
}
|
||||
}
|
||||
|
||||
GenerateIndex();
|
||||
if (_viewContent.IsOpen)
|
||||
{
|
||||
UpdateCoverViewContentPosition();
|
||||
}
|
||||
}
|
||||
|
||||
protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
|
||||
{
|
||||
if (_itemsSourceInternal != null) return;
|
||||
|
||||
InternalCollectionChanged(sender, e);
|
||||
}
|
||||
|
||||
protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 生成序号
|
||||
/// </summary>
|
||||
private void GenerateIndex()
|
||||
{
|
||||
var index = 0;
|
||||
foreach (var item in _entryDic.Values)
|
||||
{
|
||||
item.Index = index++;
|
||||
}
|
||||
}
|
||||
|
||||
private void InternalCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
|
||||
{
|
||||
if (ItemsHost == null) return;
|
||||
|
||||
if (e.Action == NotifyCollectionChangedAction.Reset)
|
||||
{
|
||||
if (_entryDic.Count == 0) return;
|
||||
ClearItems();
|
||||
Items.Clear();
|
||||
return;
|
||||
}
|
||||
|
||||
if (e.OldItems != null)
|
||||
{
|
||||
foreach (var item in e.OldItems)
|
||||
{
|
||||
RemoveItem(item);
|
||||
}
|
||||
}
|
||||
if (e.NewItems != null)
|
||||
{
|
||||
if (_viewContent.IsOpen)
|
||||
{
|
||||
ItemsHost.Children.Remove(_viewContent);
|
||||
}
|
||||
|
||||
var count = 0;
|
||||
foreach (var item in e.NewItems)
|
||||
{
|
||||
var index = e.NewStartingIndex + count++;
|
||||
InsertItem(index, item);
|
||||
}
|
||||
}
|
||||
|
||||
GenerateIndex();
|
||||
if (_viewContent.IsOpen)
|
||||
{
|
||||
UpdateCoverViewContentPosition();
|
||||
}
|
||||
}
|
||||
|
||||
protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
|
||||
{
|
||||
if (_itemsSourceInternal != null) return;
|
||||
|
||||
InternalCollectionChanged(sender, e);
|
||||
}
|
||||
|
||||
protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
@@ -5,118 +5,117 @@ using HandyControl.Expression.Drawing;
|
||||
using HandyControl.Tools;
|
||||
using HandyControl.Tools.Extension;
|
||||
|
||||
namespace HandyControl.Controls
|
||||
namespace HandyControl.Controls;
|
||||
|
||||
[TemplatePart(Name = ElementTriangle, Type = typeof(FrameworkElement))]
|
||||
[TemplatePart(Name = ElementContent, Type = typeof(FrameworkElement))]
|
||||
public class CoverViewContent : ContentControl
|
||||
{
|
||||
[TemplatePart(Name = ElementTriangle, Type = typeof(FrameworkElement))]
|
||||
[TemplatePart(Name = ElementContent, Type = typeof(FrameworkElement))]
|
||||
public class CoverViewContent : ContentControl
|
||||
private const string ElementTriangle = "PART_Triangle";
|
||||
|
||||
private const string ElementContent = "PART_Content";
|
||||
|
||||
private FrameworkElement _triangle;
|
||||
|
||||
private FrameworkElement _content;
|
||||
|
||||
internal bool WaitForUpdate { get; set; }
|
||||
|
||||
private int _index;
|
||||
|
||||
private int _groups;
|
||||
|
||||
private double _itemWidth;
|
||||
|
||||
internal bool CanSwitch { get; set; } = true;
|
||||
|
||||
private bool _isOpen;
|
||||
|
||||
internal bool IsOpen
|
||||
{
|
||||
private const string ElementTriangle = "PART_Triangle";
|
||||
|
||||
private const string ElementContent = "PART_Content";
|
||||
|
||||
private FrameworkElement _triangle;
|
||||
|
||||
private FrameworkElement _content;
|
||||
|
||||
internal bool WaitForUpdate { get; set; }
|
||||
|
||||
private int _index;
|
||||
|
||||
private int _groups;
|
||||
|
||||
private double _itemWidth;
|
||||
|
||||
internal bool CanSwitch { get; set; } = true;
|
||||
|
||||
private bool _isOpen;
|
||||
|
||||
internal bool IsOpen
|
||||
get => _isOpen;
|
||||
set
|
||||
{
|
||||
get => _isOpen;
|
||||
set
|
||||
{
|
||||
if (_isOpen == value) return;
|
||||
_isOpen = value;
|
||||
OpenSwitch(value);
|
||||
}
|
||||
}
|
||||
|
||||
internal static readonly DependencyProperty ManualHeightProperty = DependencyProperty.Register(
|
||||
"ManualHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double0Box), ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
|
||||
|
||||
internal double ManualHeight
|
||||
{
|
||||
get => (double) GetValue(ManualHeightProperty);
|
||||
set => SetValue(ManualHeightProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ContentHeightProperty = DependencyProperty.Register(
|
||||
"ContentHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double300Box),
|
||||
ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
|
||||
|
||||
public double ContentHeight
|
||||
{
|
||||
get => (double) GetValue(ContentHeightProperty);
|
||||
set => SetValue(ContentHeightProperty, value);
|
||||
}
|
||||
|
||||
public override void OnApplyTemplate()
|
||||
{
|
||||
base.OnApplyTemplate();
|
||||
|
||||
_triangle = GetTemplateChild(ElementTriangle) as FrameworkElement;
|
||||
_content = GetTemplateChild(ElementContent) as FrameworkElement;
|
||||
|
||||
if (WaitForUpdate)
|
||||
{
|
||||
_triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((_index % _groups + .5) * _itemWidth - _triangle.Width / 2, 0, 0, 0)));
|
||||
OpenSwitch(_isOpen);
|
||||
WaitForUpdate = false;
|
||||
}
|
||||
}
|
||||
|
||||
internal void UpdatePosition(int index, int groups, double itemWidth)
|
||||
{
|
||||
if (_triangle == null)
|
||||
{
|
||||
_index = index;
|
||||
_groups = groups;
|
||||
_itemWidth = itemWidth;
|
||||
WaitForUpdate = true;
|
||||
return;
|
||||
}
|
||||
_triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((index % groups + .5) * itemWidth - _triangle.Width / 2, 0, 0, 0)));
|
||||
if (IsOpen)
|
||||
{
|
||||
if (ManualHeight > 0 && !MathHelper.AreClose(ManualHeight, ContentHeight))
|
||||
{
|
||||
_content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ManualHeight));
|
||||
}
|
||||
else
|
||||
{
|
||||
_content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ContentHeight));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void OpenSwitch(bool isOpen)
|
||||
{
|
||||
if (_content == null) return;
|
||||
var animation = AnimationHelper.CreateAnimation(isOpen ? ManualHeight > 0 ? ManualHeight : ContentHeight : 0);
|
||||
_triangle.Show(false);
|
||||
this.Show(true);
|
||||
animation.Completed += (s, e) =>
|
||||
{
|
||||
CanSwitch = true;
|
||||
this.Show(IsOpen);
|
||||
if (IsOpen)
|
||||
{
|
||||
_triangle.Show(true);
|
||||
}
|
||||
};
|
||||
CanSwitch = false;
|
||||
_content.BeginAnimation(HeightProperty, animation);
|
||||
if (_isOpen == value) return;
|
||||
_isOpen = value;
|
||||
OpenSwitch(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal static readonly DependencyProperty ManualHeightProperty = DependencyProperty.Register(
|
||||
"ManualHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double0Box), ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
|
||||
|
||||
internal double ManualHeight
|
||||
{
|
||||
get => (double) GetValue(ManualHeightProperty);
|
||||
set => SetValue(ManualHeightProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty ContentHeightProperty = DependencyProperty.Register(
|
||||
"ContentHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double300Box),
|
||||
ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
|
||||
|
||||
public double ContentHeight
|
||||
{
|
||||
get => (double) GetValue(ContentHeightProperty);
|
||||
set => SetValue(ContentHeightProperty, value);
|
||||
}
|
||||
|
||||
public override void OnApplyTemplate()
|
||||
{
|
||||
base.OnApplyTemplate();
|
||||
|
||||
_triangle = GetTemplateChild(ElementTriangle) as FrameworkElement;
|
||||
_content = GetTemplateChild(ElementContent) as FrameworkElement;
|
||||
|
||||
if (WaitForUpdate)
|
||||
{
|
||||
_triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((_index % _groups + .5) * _itemWidth - _triangle.Width / 2, 0, 0, 0)));
|
||||
OpenSwitch(_isOpen);
|
||||
WaitForUpdate = false;
|
||||
}
|
||||
}
|
||||
|
||||
internal void UpdatePosition(int index, int groups, double itemWidth)
|
||||
{
|
||||
if (_triangle == null)
|
||||
{
|
||||
_index = index;
|
||||
_groups = groups;
|
||||
_itemWidth = itemWidth;
|
||||
WaitForUpdate = true;
|
||||
return;
|
||||
}
|
||||
_triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((index % groups + .5) * itemWidth - _triangle.Width / 2, 0, 0, 0)));
|
||||
if (IsOpen)
|
||||
{
|
||||
if (ManualHeight > 0 && !MathHelper.AreClose(ManualHeight, ContentHeight))
|
||||
{
|
||||
_content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ManualHeight));
|
||||
}
|
||||
else
|
||||
{
|
||||
_content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ContentHeight));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void OpenSwitch(bool isOpen)
|
||||
{
|
||||
if (_content == null) return;
|
||||
var animation = AnimationHelper.CreateAnimation(isOpen ? ManualHeight > 0 ? ManualHeight : ContentHeight : 0);
|
||||
_triangle.Show(false);
|
||||
this.Show(true);
|
||||
animation.Completed += (s, e) =>
|
||||
{
|
||||
CanSwitch = true;
|
||||
this.Show(IsOpen);
|
||||
if (IsOpen)
|
||||
{
|
||||
_triangle.Show(true);
|
||||
}
|
||||
};
|
||||
CanSwitch = false;
|
||||
_content.BeginAnimation(HeightProperty, animation);
|
||||
}
|
||||
}
|
||||
@@ -1,7 +1,6 @@
|
||||
namespace HandyControl.Controls
|
||||
namespace HandyControl.Controls;
|
||||
|
||||
public class CoverViewItem : HeaderedSelectableItem
|
||||
{
|
||||
public class CoverViewItem : HeaderedSelectableItem
|
||||
{
|
||||
internal int Index { get; set; }
|
||||
}
|
||||
}
|
||||
internal int Index { get; set; }
|
||||
}
|
||||
Reference in new issue
Block a user