feat: start to refactor.
This commit is contained in:
rabbitism
@@ -1,56 +1,104 @@
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using System.Collections.Specialized;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices.ComTypes;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Generators;
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using Avalonia.Controls.Presenters;
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using Avalonia.Controls.Primitives;
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using Avalonia.Controls.Templates;
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using Avalonia.Data;
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using Avalonia.Metadata;
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namespace Ursa.Controls;
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public class Timeline: ItemsControl
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{
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public static readonly StyledProperty<IBinding?> IconMemberBindingProperty = AvaloniaProperty.Register<Timeline, IBinding?>(
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nameof(IconMemberBinding));
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[AssignBinding]
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[InheritDataTypeFromItems(nameof(ItemsSource))]
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public IBinding? IconMemberBinding
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{
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get => GetValue(IconMemberBindingProperty);
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set => SetValue(IconMemberBindingProperty, value);
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}
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public static readonly StyledProperty<IBinding?> HeaderMemberBindingProperty = AvaloniaProperty.Register<Timeline, IBinding?>(
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nameof(HeaderMemberBinding));
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[AssignBinding]
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[InheritDataTypeFromItems(nameof(ItemsSource))]
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public IBinding? HeaderMemberBinding
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{
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get => GetValue(HeaderMemberBindingProperty);
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set => SetValue(HeaderMemberBindingProperty, value);
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}
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public static readonly StyledProperty<IBinding?> DescriptionMemberBindingProperty = AvaloniaProperty.Register<Timeline, IBinding?>(
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nameof(DescriptionMemberBinding));
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public static readonly StyledProperty<IDataTemplate?> ItemDescriptionTemplateProperty = AvaloniaProperty.Register<Timeline, IDataTemplate?>(
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nameof(ItemDescriptionTemplate));
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public IDataTemplate? ItemDescriptionTemplate
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[AssignBinding]
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[InheritDataTypeFromItems(nameof(ItemsSource))]
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public IBinding? DescriptionMemberBinding
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{
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get => GetValue(ItemDescriptionTemplateProperty);
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set => SetValue(ItemDescriptionTemplateProperty, value);
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get => GetValue(DescriptionMemberBindingProperty);
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set => SetValue(DescriptionMemberBindingProperty, value);
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}
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public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty = AvaloniaProperty.Register<Timeline, IDataTemplate?>(
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nameof(IconTemplate));
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[InheritDataTypeFromItems(nameof(ItemsSource))]
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public IDataTemplate? IconTemplate
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{
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get => GetValue(IconTemplateProperty);
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set => SetValue(IconTemplateProperty, value);
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}
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public Timeline()
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public static readonly StyledProperty<IDataTemplate?> DescriptionTemplateProperty = AvaloniaProperty.Register<Timeline, IDataTemplate?>(
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nameof(DescriptionTemplate));
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[InheritDataTypeFromItems(nameof(ItemsSource))]
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public IDataTemplate? DescriptionTemplate
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{
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ItemsView.CollectionChanged+=ItemsViewOnCollectionChanged;
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get => GetValue(DescriptionTemplateProperty);
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set => SetValue(DescriptionTemplateProperty, value);
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}
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private void ItemsViewOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
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protected override bool NeedsContainerOverride(object? item, int index, out object? recycleKey)
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{
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RefreshTimelineItems();
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recycleKey = null;
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return item is not TimelineItem;
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}
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protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
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protected override Control CreateContainerForItemOverride(object? item, int index, object? recycleKey)
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{
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base.OnPropertyChanged(change);
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RefreshTimelineItems();
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if (item is TimelineItem t) return t;
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return new TimelineItem();
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}
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private void RefreshTimelineItems()
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protected override void PrepareContainerForItemOverride(Control container, object? item, int index)
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{
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for (int i = 0; i < this.LogicalChildren.Count; i++)
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base.PrepareContainerForItemOverride(container, item, index);
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if (container is TimelineItem t)
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{
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if (this.LogicalChildren[i] is TimelineItem t)
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if (IconMemberBinding != null)
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{
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t.SetIndex(i == 0, i == this.LogicalChildren.Count - 1);
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t.Bind(TimelineItem.IconProperty, IconMemberBinding);
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}
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else if (this.LogicalChildren[i] is ContentPresenter { Child: TimelineItem t2 })
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if (HeaderMemberBinding != null)
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{
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t2.SetIndex(i == 0, i == this.LogicalChildren.Count - 1);
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t.Bind(HeaderedContentControl.HeaderProperty, HeaderMemberBinding);
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}
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if (DescriptionMemberBinding != null)
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{
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t.Bind(ContentControl.ContentProperty, DescriptionMemberBinding);
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}
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t.SetCurrentValue(TimelineItem.IconTemplateProperty, IconTemplate);
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t.SetCurrentValue(HeaderedContentControl.HeaderTemplateProperty, ItemTemplate);
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t.SetCurrentValue(ContentControl.ContentTemplateProperty, DescriptionTemplate);
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}
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}
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}
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@@ -1,101 +1,41 @@
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using System.Globalization;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Metadata;
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using Avalonia.Controls.Primitives;
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using Avalonia.Controls.Templates;
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using Avalonia.Data;
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using Avalonia.Media;
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namespace Ursa.Controls;
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[PseudoClasses(PC_First, PC_Last, PC_Default, PC_Ongoing, PC_Success, PC_Warning, PC_Error, PC_None)]
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public class TimelineItem: ContentControl
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public class TimelineItem: HeaderedContentControl
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{
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private const string PC_First = ":first";
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private const string PC_Last = ":last";
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private const string PC_Default = ":default";
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private const string PC_Ongoing = ":ongoing";
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private const string PC_Success = ":success";
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private const string PC_Warning = ":warning";
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private const string PC_Error = ":error";
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private const string PC_None = ":none";
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public static readonly StyledProperty<object?> IconProperty = AvaloniaProperty.Register<TimelineItem, object?>(
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nameof(Icon));
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private static readonly IReadOnlyDictionary<TimelineItemType, string> _itemTypeMapping = new Dictionary<TimelineItemType, string>
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public object? Icon
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{
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{TimelineItemType.Default, PC_Default},
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{TimelineItemType.Ongoing, PC_Ongoing},
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{TimelineItemType.Success, PC_Success},
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{TimelineItemType.Warning, PC_Warning},
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{TimelineItemType.Error, PC_Error},
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};
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public static readonly StyledProperty<IBrush> IconForegroundProperty =
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AvaloniaProperty.Register<TimelineItem, IBrush>(nameof(IconForeground));
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public IBrush IconForeground
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{
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get => GetValue(IconForegroundProperty);
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set => SetValue(IconForegroundProperty, value);
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get => GetValue(IconProperty);
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set => SetValue(IconProperty, value);
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}
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public static readonly StyledProperty<DateTime> TimeProperty = AvaloniaProperty.Register<TimelineItem, DateTime>(
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nameof(Time));
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public DateTime Time
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public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty = AvaloniaProperty.Register<TimelineItem, IDataTemplate?>(
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nameof(IconTemplate));
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public IDataTemplate? IconTemplate
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{
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get => GetValue(TimeProperty);
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set => SetValue(TimeProperty, value);
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get => GetValue(IconTemplateProperty);
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set => SetValue(IconTemplateProperty, value);
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}
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public static readonly StyledProperty<string?> TimeFormatProperty = AvaloniaProperty.Register<TimelineItem, string?>(
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nameof(TimeFormat), defaultValue:CultureInfo.CurrentUICulture.DateTimeFormat.ShortDatePattern);
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public static readonly StyledProperty<TimelineItemType> TypeProperty = AvaloniaProperty.Register<TimelineItem, TimelineItemType>(
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nameof(Type));
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public string? TimeFormat
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public TimelineItemType Type
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{
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get => GetValue(TimeFormatProperty);
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set => SetValue(TimeFormatProperty, value);
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}
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public static readonly StyledProperty<IDataTemplate> DescriptionTemplateProperty = AvaloniaProperty.Register<TimelineItem, IDataTemplate>(
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nameof(DescriptionTemplate));
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public IDataTemplate DescriptionTemplate
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{
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get => GetValue(DescriptionTemplateProperty);
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set => SetValue(DescriptionTemplateProperty, value);
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}
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public static readonly StyledProperty<TimelineItemType> ItemTypeProperty = AvaloniaProperty.Register<TimelineItem, TimelineItemType>(
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nameof(ItemType));
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public TimelineItemType ItemType
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{
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get => GetValue(ItemTypeProperty);
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set => SetValue(ItemTypeProperty, value);
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}
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internal void SetIndex(bool isFirst, bool isLast)
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{
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PseudoClasses.Set(PC_First, isFirst);
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PseudoClasses.Set(PC_Last, isLast);
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}
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static TimelineItem()
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{
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ItemTypeProperty.Changed.AddClassHandler<TimelineItem>((o, e) => { o.OnItemTypeChanged(e); });
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IconForegroundProperty.Changed.AddClassHandler<TimelineItem>((o, e) => { o.OnIconForegroundChanged(e); });
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}
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private void OnItemTypeChanged(AvaloniaPropertyChangedEventArgs args)
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{
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var oldValue = args.GetOldValue<TimelineItemType>();
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var newValue = args.GetNewValue<TimelineItemType>();
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PseudoClasses.Set(_itemTypeMapping[oldValue], false);
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PseudoClasses.Set(_itemTypeMapping[newValue], true);
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}
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private void OnIconForegroundChanged(AvaloniaPropertyChangedEventArgs args)
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{
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IBrush? newValue = args.GetOldValue<IBrush?>();
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PseudoClasses.Set(PC_None, newValue is null);
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get => GetValue(TypeProperty);
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set => SetValue(TypeProperty, value);
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}
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}
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