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feat: start to refactor.

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rabbitism
2023-12-27 00:58:50 +08:00
parent 5ac95a9965
commit 0c4b6edfc2
6 changed files with 111 additions and 171 deletions
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92
src/Ursa/Controls/Timeline/Timeline.cs
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@@ -1,56 +1,104 @@
using System.Collections.Specialized;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices.ComTypes;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Generators;
using Avalonia.Controls.Presenters;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.Data;
using Avalonia.Metadata;
namespace Ursa.Controls;
public class Timeline: ItemsControl
{
public static readonly StyledProperty<IBinding?> IconMemberBindingProperty = AvaloniaProperty.Register<Timeline, IBinding?>(
nameof(IconMemberBinding));
[AssignBinding]
[InheritDataTypeFromItems(nameof(ItemsSource))]
public IBinding? IconMemberBinding
{
get => GetValue(IconMemberBindingProperty);
set => SetValue(IconMemberBindingProperty, value);
}
public static readonly StyledProperty<IBinding?> HeaderMemberBindingProperty = AvaloniaProperty.Register<Timeline, IBinding?>(
nameof(HeaderMemberBinding));
[AssignBinding]
[InheritDataTypeFromItems(nameof(ItemsSource))]
public IBinding? HeaderMemberBinding
{
get => GetValue(HeaderMemberBindingProperty);
set => SetValue(HeaderMemberBindingProperty, value);
}
public static readonly StyledProperty<IBinding?> DescriptionMemberBindingProperty = AvaloniaProperty.Register<Timeline, IBinding?>(
nameof(DescriptionMemberBinding));
public static readonly StyledProperty<IDataTemplate?> ItemDescriptionTemplateProperty = AvaloniaProperty.Register<Timeline, IDataTemplate?>(
nameof(ItemDescriptionTemplate));
public IDataTemplate? ItemDescriptionTemplate
[AssignBinding]
[InheritDataTypeFromItems(nameof(ItemsSource))]
public IBinding? DescriptionMemberBinding
{
get => GetValue(ItemDescriptionTemplateProperty);
set => SetValue(ItemDescriptionTemplateProperty, value);
get => GetValue(DescriptionMemberBindingProperty);
set => SetValue(DescriptionMemberBindingProperty, value);
}
public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty = AvaloniaProperty.Register<Timeline, IDataTemplate?>(
nameof(IconTemplate));
[InheritDataTypeFromItems(nameof(ItemsSource))]
public IDataTemplate? IconTemplate
{
get => GetValue(IconTemplateProperty);
set => SetValue(IconTemplateProperty, value);
}
public Timeline()
public static readonly StyledProperty<IDataTemplate?> DescriptionTemplateProperty = AvaloniaProperty.Register<Timeline, IDataTemplate?>(
nameof(DescriptionTemplate));
[InheritDataTypeFromItems(nameof(ItemsSource))]
public IDataTemplate? DescriptionTemplate
{
ItemsView.CollectionChanged+=ItemsViewOnCollectionChanged;
get => GetValue(DescriptionTemplateProperty);
set => SetValue(DescriptionTemplateProperty, value);
}
private void ItemsViewOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
protected override bool NeedsContainerOverride(object? item, int index, out object? recycleKey)
{
RefreshTimelineItems();
recycleKey = null;
return item is not TimelineItem;
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
protected override Control CreateContainerForItemOverride(object? item, int index, object? recycleKey)
{
base.OnPropertyChanged(change);
RefreshTimelineItems();
if (item is TimelineItem t) return t;
return new TimelineItem();
}
private void RefreshTimelineItems()
protected override void PrepareContainerForItemOverride(Control container, object? item, int index)
{
for (int i = 0; i < this.LogicalChildren.Count; i++)
base.PrepareContainerForItemOverride(container, item, index);
if (container is TimelineItem t)
{
if (this.LogicalChildren[i] is TimelineItem t)
if (IconMemberBinding != null)
{
t.SetIndex(i == 0, i == this.LogicalChildren.Count - 1);
t.Bind(TimelineItem.IconProperty, IconMemberBinding);
}
else if (this.LogicalChildren[i] is ContentPresenter { Child: TimelineItem t2 })
if (HeaderMemberBinding != null)
{
t2.SetIndex(i == 0, i == this.LogicalChildren.Count - 1);
t.Bind(HeaderedContentControl.HeaderProperty, HeaderMemberBinding);
}
if (DescriptionMemberBinding != null)
{
t.Bind(ContentControl.ContentProperty, DescriptionMemberBinding);
}
t.SetCurrentValue(TimelineItem.IconTemplateProperty, IconTemplate);
t.SetCurrentValue(HeaderedContentControl.HeaderTemplateProperty, ItemTemplate);
t.SetCurrentValue(ContentControl.ContentTemplateProperty, DescriptionTemplate);
}
}
}