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Merge pull request #718 from irihitech/anchor

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New Control: Anchor
This commit is contained in:
Zhang Dian
2025-07-10 20:51:35 +08:00
committed by GitHub
parent 6337d50c40 3ae76efd45
commit 0524c9e16e
27 changed files with 1098 additions and 30 deletions
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3
Ursa.sln
View File

@@ -42,8 +42,8 @@ EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "GitHub Action", "GitHub Action", "{66123AC1-7C8C-4AA0-BBDB-5CC3E647A741}" Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "GitHub Action", "GitHub Action", "{66123AC1-7C8C-4AA0-BBDB-5CC3E647A741}"
ProjectSection(SolutionItems) = preProject ProjectSection(SolutionItems) = preProject
.github\workflows\deploy.yml = .github\workflows\deploy.yml .github\workflows\deploy.yml = .github\workflows\deploy.yml
.github\workflows\pack.yml = .github\workflows\pack.yml
.github\workflows\pack-nightly.yml = .github\workflows\pack-nightly.yml .github\workflows\pack-nightly.yml = .github\workflows\pack-nightly.yml
.github\workflows\pack.yml = .github\workflows\pack.yml
.github\workflows\publish.yml = .github\workflows\publish.yml .github\workflows\publish.yml = .github\workflows\publish.yml
.github\workflows\release-tag.yml = .github\workflows\release-tag.yml .github\workflows\release-tag.yml = .github\workflows\release-tag.yml
.github\workflows\test.yml = .github\workflows\test.yml .github\workflows\test.yml = .github\workflows\test.yml
@@ -69,6 +69,7 @@ Global
{53B5F277-3AEB-4661-ACAE-15CFFF2ED800}.Release|Any CPU.Build.0 = Release|Any CPU {53B5F277-3AEB-4661-ACAE-15CFFF2ED800}.Release|Any CPU.Build.0 = Release|Any CPU
{3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU {3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Debug|Any CPU.Build.0 = Debug|Any CPU {3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Debug|Any CPU.Build.0 = Debug|Any CPU
{3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
{3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Release|Any CPU.ActiveCfg = Release|Any CPU {3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Release|Any CPU.ActiveCfg = Release|Any CPU
{3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Release|Any CPU.Build.0 = Release|Any CPU {3FC76CD9-CE5D-4804-A8D6-4E292EB296AA}.Release|Any CPU.Build.0 = Release|Any CPU
{B6BAB821-A9FE-44F3-B9CD-06E27FDB63F6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU {B6BAB821-A9FE-44F3-B9CD-06E27FDB63F6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU

265
demo/Ursa.Demo/Pages/AnchorDemo.axaml Normal file
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@@ -0,0 +1,265 @@
<UserControl
x:Class="Ursa.Demo.Pages.AnchorDemo"
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:u="https://irihi.tech/ursa"
xmlns:viewModels="clr-namespace:Ursa.Demo.ViewModels"
d:DesignHeight="450"
d:DesignWidth="800"
x:DataType="viewModels:AnchorDemoViewModel"
mc:Ignorable="d">
<TabControl>
<TabItem Header="XAML Inline">
<Grid ColumnDefinitions="*, Auto">
<ScrollViewer
Name="container1"
Grid.Column="0"
VerticalAlignment="Stretch">
<StackPanel>
<StackPanel.Styles>
<Style Selector="TextBlock">
<Setter Property="HorizontalAlignment" Value="Center" />
<Setter Property="VerticalAlignment" Value="Center" />
</Style>
</StackPanel.Styles>
<Border
u:Anchor.Id="a1"
Height="300"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiRed2}">
<TextBlock Text="Border 1" />
</Border>
<Border
u:Anchor.Id="a2"
Height="300"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiPink1}">
<TextBlock Text="Border 2" />
</Border>
<Border
u:Anchor.Id="a3"
Height="300"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiPurple1}">
<TextBlock Text="Border 3" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiViolet1}">
<TextBlock u:Anchor.Id="a4" Text="Border 4" />
</Border>
<Border
u:Anchor.Id="a5"
Height="300"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiIndigo1}">
<TextBlock Text="Border 5" />
</Border>
<Border
u:Anchor.Id="a6"
Height="300"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiBlue1}">
<TextBlock Text="Border 6" />
</Border>
<Border
u:Anchor.Id="a7"
Height="300"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiLightBlue1}">
<TextBlock Text="Border 7" />
</Border>
</StackPanel>
</ScrollViewer>
<u:Anchor
Grid.Column="1"
Width="200"
Margin="24"
TargetContainer="{Binding ElementName=container1}">
<u:AnchorItem Header="Rectangle 1" AnchorId="a1">
<u:AnchorItem Header="Rectangle 2" AnchorId="a2" />
<u:AnchorItem Header="Rectangle 3" AnchorId="a3" />
</u:AnchorItem>
<u:AnchorItem Header="Rectangle 4" AnchorId="a4" />
<u:AnchorItem Header="Rectangle 5" AnchorId="a5">
<u:AnchorItem Header="Rectangle 6" AnchorId="a6" />
<u:AnchorItem Header="Rectangle 7" AnchorId="a7" />
</u:AnchorItem>
</u:Anchor>
</Grid>
</TabItem>
<TabItem Header="MVVM">
<Grid ColumnDefinitions="*, Auto">
<ScrollViewer
Name="container2"
Grid.Column="0"
VerticalAlignment="Stretch">
<StackPanel>
<StackPanel.Styles>
<Style Selector="TextBlock">
<Setter Property="HorizontalAlignment" Value="Center" />
<Setter Property="VerticalAlignment" Value="Center" />
</Style>
</StackPanel.Styles>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor1"
Background="{DynamicResource SemiRed2}">
<TextBlock Text="Border 1" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor2"
Background="{DynamicResource SemiPink1}">
<TextBlock Text="Border 2" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor3"
Background="{DynamicResource SemiPurple1}">
<TextBlock Text="Border 3" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor3-1"
Background="{DynamicResource SemiPurple1}">
<TextBlock Text="Border 3-1" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor3-2"
Background="{DynamicResource SemiPurple1}">
<TextBlock Text="Border 3-2" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor3-2-1"
Background="{DynamicResource SemiCyan1}">
<TextBlock Text="Border 3-2-1" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor3-2-2"
Background="{DynamicResource SemiCyan1}">
<TextBlock Text="Border 3-2-2" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor3-2-3"
Background="{DynamicResource SemiCyan1}">
<TextBlock Text="Border 3-2-3" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor3-3"
Background="{DynamicResource SemiPurple1}">
<TextBlock Text="Border 3-3" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor4"
Background="{DynamicResource SemiViolet1}">
<TextBlock Text="Border 4" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor5"
Background="{DynamicResource SemiIndigo1}">
<TextBlock Text="Border 5" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor6"
Background="{DynamicResource SemiBlue1}">
<TextBlock Text="Border 6" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="anchor7"
Background="{DynamicResource SemiLightBlue1}">
<TextBlock Text="Border 7" />
</Border>
</StackPanel>
</ScrollViewer>
<u:Anchor
Grid.Column="1"
Width="200"
Margin="24"
ItemsSource="{Binding AnchorItems}"
TargetContainer="{Binding #container2}">
<u:Anchor.Styles>
<Style x:DataType="viewModels:AnchorItemViewModel" Selector="u|AnchorItem">
<Setter Property="AnchorId" Value="{Binding AnchorId}" />
</Style>
</u:Anchor.Styles>
<u:Anchor.ItemTemplate>
<TreeDataTemplate ItemsSource="{Binding Children}">
<TextBlock Text="{Binding Header}" />
</TreeDataTemplate>
</u:Anchor.ItemTemplate>
</u:Anchor>
</Grid>
</TabItem>
<TabItem Header="Appearance">
<StackPanel
Orientation="Horizontal"
Spacing="100"
Margin="8">
<u:Anchor>
<u:AnchorItem Header="组件" />
<u:AnchorItem Header="设计语言" />
<u:AnchorItem Header="物料平台" />
<u:AnchorItem Header="主题商店" />
</u:Anchor>
<u:Anchor Classes="Small">
<u:AnchorItem Header="组件" />
<u:AnchorItem Header="设计语言" />
<u:AnchorItem Header="物料平台" />
<u:AnchorItem Header="主题商店" />
</u:Anchor>
<u:Anchor Classes="Tertiary">
<u:AnchorItem Header="尺寸" />
<u:AnchorItem Header="组件" />
<u:AnchorItem Header="设计语言" />
<u:AnchorItem Header="物料平台" />
<u:AnchorItem Header="主题商店" />
</u:Anchor>
<u:Anchor Classes="Muted">
<u:AnchorItem Header="尺寸" />
<u:AnchorItem Header="组件" />
<u:AnchorItem Header="设计语言" />
<u:AnchorItem Header="物料平台" />
<u:AnchorItem Header="主题商店" />
</u:Anchor>
<u:Anchor>
<u:AnchorItem Header="1. 动态展示">
<u:AnchorItem Header="1.1 组件">
<u:AnchorItem Header="1.1.1 Avatar" />
<u:AnchorItem Header="1.1.2 Button" />
<u:AnchorItem Header="1.1.3 Icon" />
</u:AnchorItem>
<u:AnchorItem Header="1.2 物料" />
<u:AnchorItem Header="1.3 主题商店" />
</u:AnchorItem>
<u:AnchorItem Header="2. 设计语言" />
</u:Anchor>
</StackPanel>
</TabItem>
</TabControl>
</UserControl>

13
demo/Ursa.Demo/Pages/AnchorDemo.axaml.cs Normal file
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@@ -0,0 +1,13 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
namespace Ursa.Demo.Pages;
public partial class AnchorDemo : UserControl
{
public AnchorDemo()
{
InitializeComponent();
}
}

44
demo/Ursa.Demo/ViewModels/AnchorDemoViewModel.cs Normal file
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@@ -0,0 +1,44 @@
using System.Collections.Generic;
using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
namespace Ursa.Demo.ViewModels;
public partial class AnchorDemoViewModel : ObservableObject
{
public List<AnchorItemViewModel> AnchorItems { get; } = new()
{
new AnchorItemViewModel { AnchorId = "anchor1", Header = "Anchor 1" },
new AnchorItemViewModel { AnchorId = "anchor2", Header = "Anchor 2" },
new AnchorItemViewModel
{
AnchorId = "anchor3", Header = "Anchor 3",
Children =
[
new AnchorItemViewModel() { AnchorId = "anchor3-1", Header = "Anchor 3.1" },
new AnchorItemViewModel()
{
AnchorId = "anchor3-2", Header = "Anchor 3.2",
Children =
[
new AnchorItemViewModel() { AnchorId = "anchor3-2-1", Header = "Anchor 3.2.1" },
new AnchorItemViewModel() { AnchorId = "anchor3-2-2", Header = "Anchor 3.2.2" },
new AnchorItemViewModel() { AnchorId = "anchor3-2-3", Header = "Anchor 3.2.3" }
]
},
new AnchorItemViewModel() { AnchorId = "anchor3-3", Header = "Anchor 3.3" }
]
},
new AnchorItemViewModel { AnchorId = "anchor4", Header = "Anchor 4" },
new AnchorItemViewModel { AnchorId = "anchor5", Header = "Anchor 5" },
new AnchorItemViewModel { AnchorId = "anchor6", Header = "Anchor 6" },
new AnchorItemViewModel { AnchorId = "anchor7", Header = "Anchor 7" },
};
}
public partial class AnchorItemViewModel : ObservableObject
{
[ObservableProperty] private string? _anchorId;
[ObservableProperty] private string? _header;
public ObservableCollection<AnchorItemViewModel>? Children { get; set; }
}

5
demo/Ursa.Demo/ViewModels/MainViewViewModel.cs
View File

@@ -86,8 +86,9 @@ public partial class MainViewViewModel : ViewModelBase
MenuKeys.MenuKeyToolBar => new ToolBarDemoViewModel(), MenuKeys.MenuKeyToolBar => new ToolBarDemoViewModel(),
MenuKeys.MenuKeyTreeComboBox => new TreeComboBoxDemoViewModel(), MenuKeys.MenuKeyTreeComboBox => new TreeComboBoxDemoViewModel(),
MenuKeys.MenuKeyTwoTonePathIcon => new TwoTonePathIconDemoViewModel(), MenuKeys.MenuKeyTwoTonePathIcon => new TwoTonePathIconDemoViewModel(),
MenuKeys.AspectRatioLayout => new AspectRatioLayoutDemoViewModel(), MenuKeys.MenuKeyAspectRatioLayout => new AspectRatioLayoutDemoViewModel(),
MenuKeys.PathPicker => new PathPickerDemoViewModel(), MenuKeys.MenuKeyPathPicker => new PathPickerDemoViewModel(),
MenuKeys.MenuKeyAnchor => new AnchorDemoViewModel(),
_ => throw new ArgumentOutOfRangeException(nameof(s), s, null) _ => throw new ArgumentOutOfRangeException(nameof(s), s, null)
}; };
} }

10
demo/Ursa.Demo/ViewModels/MenuViewModel.cs
View File

@@ -26,7 +26,7 @@ public class MenuViewModel : ViewModelBase
new() { MenuHeader = "MultiComboBox", Key = MenuKeys.MenuKeyMultiComboBox }, new() { MenuHeader = "MultiComboBox", Key = MenuKeys.MenuKeyMultiComboBox },
new() { MenuHeader = "Numeric UpDown", Key = MenuKeys.MenuKeyNumericUpDown }, new() { MenuHeader = "Numeric UpDown", Key = MenuKeys.MenuKeyNumericUpDown },
new() { MenuHeader = "NumPad", Key = MenuKeys.MenuKeyNumPad }, new() { MenuHeader = "NumPad", Key = MenuKeys.MenuKeyNumPad },
new() { MenuHeader = "PathPicker", Key = MenuKeys.PathPicker, Status = "New" }, new() { MenuHeader = "PathPicker", Key = MenuKeys.MenuKeyPathPicker, Status = "New" },
new() { MenuHeader = "PinCode", Key = MenuKeys.MenuKeyPinCode }, new() { MenuHeader = "PinCode", Key = MenuKeys.MenuKeyPinCode },
new() { MenuHeader = "RangeSlider", Key = MenuKeys.MenuKeyRangeSlider }, new() { MenuHeader = "RangeSlider", Key = MenuKeys.MenuKeyRangeSlider },
new() { MenuHeader = "Rating", Key = MenuKeys.MenuKeyRating }, new() { MenuHeader = "Rating", Key = MenuKeys.MenuKeyRating },
@@ -67,6 +67,7 @@ public class MenuViewModel : ViewModelBase
{ {
MenuHeader = "Navigation & Menus", Children = new ObservableCollection<MenuItemViewModel> MenuHeader = "Navigation & Menus", Children = new ObservableCollection<MenuItemViewModel>
{ {
new() { MenuHeader = "Anchor", Key = MenuKeys.MenuKeyAnchor, Status = "New" },
new() { MenuHeader = "Breadcrumb", Key = MenuKeys.MenuKeyBreadcrumb, Status = "Updated" }, new() { MenuHeader = "Breadcrumb", Key = MenuKeys.MenuKeyBreadcrumb, Status = "Updated" },
new() { MenuHeader = "Nav Menu", Key = MenuKeys.MenuKeyNavMenu, Status = "Updated" }, new() { MenuHeader = "Nav Menu", Key = MenuKeys.MenuKeyNavMenu, Status = "Updated" },
new() { MenuHeader = "Pagination", Key = MenuKeys.MenuKeyPagination }, new() { MenuHeader = "Pagination", Key = MenuKeys.MenuKeyPagination },
@@ -78,7 +79,7 @@ public class MenuViewModel : ViewModelBase
MenuHeader = "Layout & Display", MenuHeader = "Layout & Display",
Children = new ObservableCollection<MenuItemViewModel> Children = new ObservableCollection<MenuItemViewModel>
{ {
new() { MenuHeader = "AspectRatioLayout", Key = MenuKeys.AspectRatioLayout }, new() { MenuHeader = "AspectRatioLayout", Key = MenuKeys.MenuKeyAspectRatioLayout },
new() { MenuHeader = "Avatar", Key = MenuKeys.MenuKeyAvatar, Status = "WIP" }, new() { MenuHeader = "Avatar", Key = MenuKeys.MenuKeyAvatar, Status = "WIP" },
new() { MenuHeader = "Badge", Key = MenuKeys.MenuKeyBadge }, new() { MenuHeader = "Badge", Key = MenuKeys.MenuKeyBadge },
new() { MenuHeader = "Banner", Key = MenuKeys.MenuKeyBanner, Status = "Updated" }, new() { MenuHeader = "Banner", Key = MenuKeys.MenuKeyBanner, Status = "Updated" },
@@ -154,6 +155,7 @@ public static class MenuKeys
public const string MenuKeyToolBar = "ToolBar"; public const string MenuKeyToolBar = "ToolBar";
public const string MenuKeyTreeComboBox = "TreeComboBox"; public const string MenuKeyTreeComboBox = "TreeComboBox";
public const string MenuKeyTwoTonePathIcon = "TwoTonePathIcon"; public const string MenuKeyTwoTonePathIcon = "TwoTonePathIcon";
public const string AspectRatioLayout = "AspectRatioLayout"; public const string MenuKeyAspectRatioLayout = "AspectRatioLayout";
public const string PathPicker = "PathPicker"; public const string MenuKeyPathPicker = "PathPicker";
public const string MenuKeyAnchor = "Anchor";
} }

91
src/Ursa.Themes.Semi/Controls/Anchor.axaml Normal file
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@@ -0,0 +1,91 @@
<ResourceDictionary
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:converters="clr-namespace:Ursa.Themes.Semi.Converters"
xmlns:iri="https://irihi.tech/shared"
xmlns:u="https://irihi.tech/ursa">
<converters:TreeLevelToPaddingConverter x:Key="LevelToPaddingConverter" />
<ControlTheme x:Key="{x:Type u:Anchor}" TargetType="{x:Type u:Anchor}">
<Setter Property="Background" Value="Transparent" />
<Setter Property="VerticalAlignment" Value="Top" />
<Setter Property="Template">
<ControlTemplate>
<Panel>
<Rectangle
Width="{DynamicResource AnchorPipeWidth}"
Name="PART_Pipe"
HorizontalAlignment="Left"
VerticalAlignment="Stretch"
Fill="{DynamicResource AnchorPipeBackground}" />
<ItemsPresenter
Name="PART_ItemsPresenter"
Margin="{TemplateBinding Padding}"
ItemsPanel="{TemplateBinding ItemsPanel}" />
</Panel>
</ControlTemplate>
</Setter>
<Style Selector="^.Muted /template/ Rectangle#PART_Pipe">
<Setter Property="Fill" Value="Transparent" />
</Style>
</ControlTheme>
<ControlTheme x:Key="{x:Type u:AnchorItem}" TargetType="u:AnchorItem">
<Setter Property="Background" Value="Transparent" />
<Setter Property="Cursor" Value="Hand" />
<Setter Property="iri:ClassHelper.ClassSource" Value="{Binding $parent[u:Anchor]}" />
<Setter Property="Template">
<ControlTemplate TargetType="u:AnchorItem">
<StackPanel>
<Panel Background="{TemplateBinding Background}">
<Border
Name="PART_Pipe"
Width="{DynamicResource AnchorPipeWidth}"
CornerRadius="{DynamicResource AnchorPipeCornerRadius}"
HorizontalAlignment="Left"
VerticalAlignment="Stretch" />
<Panel>
<ContentPresenter
Name="{x:Static iri:PartNames.PART_HeaderPresenter}"
VerticalAlignment="Center"
Foreground="{DynamicResource AnchorForeground}"
Content="{TemplateBinding Header}"
ContentTemplate="{TemplateBinding HeaderTemplate}">
<ContentPresenter.Padding>
<MultiBinding Converter="{StaticResource LevelToPaddingConverter}">
<Binding Path="Level" RelativeSource="{RelativeSource AncestorType={x:Type u:AnchorItem}}" />
<DynamicResource ResourceKey="AnchorIndent" />
</MultiBinding>
</ContentPresenter.Padding>
</ContentPresenter>
</Panel>
</Panel>
<ItemsPresenter ItemsPanel="{TemplateBinding ItemsPanel}" />
</StackPanel>
</ControlTemplate>
</Setter>
<Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter">
<Setter Property="MinHeight" Value="{DynamicResource AnchorDefaultHeight}" />
</Style>
<Style Selector="^.Small /template/ ContentPresenter#PART_HeaderPresenter">
<Setter Property="MinHeight" Value="{DynamicResource AnchorSmallHeight}" />
<Setter Property="FontSize" Value="{DynamicResource AnchorSmallFontSize}" />
</Style>
<Style Selector="^:selected">
<Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter">
<Setter Property="Foreground" Value="{DynamicResource AnchorSelectedForeground}" />
</Style>
<Style Selector="^ /template/ Border#PART_Pipe">
<Setter Property="Background" Value="{DynamicResource AnchorPipeSelectedBackground}" />
</Style>
<Style Selector="^.Primary /template/ Border#PART_Pipe">
<Setter Property="Background" Value="{DynamicResource AnchorPipeSelectedPrimaryBackground}" />
</Style>
<Style Selector="^.Tertiary /template/ Border#PART_Pipe">
<Setter Property="Background" Value="{DynamicResource AnchorPipeSelectedTertiaryBackground}" />
</Style>
<Style Selector="^.Muted /template/ Border#PART_Pipe">
<Setter Property="Background" Value="Transparent" />
</Style>
</Style>
</ControlTheme>
</ResourceDictionary>

1
src/Ursa.Themes.Semi/Controls/_index.axaml
View File

@@ -1,5 +1,6 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<ResourceDictionary.MergedDictionaries> <ResourceDictionary.MergedDictionaries>
<ResourceInclude Source="Anchor.axaml" />
<ResourceInclude Source="AutoCompleteBox.axaml" /> <ResourceInclude Source="AutoCompleteBox.axaml" />
<ResourceInclude Source="Avatar.axaml" /> <ResourceInclude Source="Avatar.axaml" />
<ResourceInclude Source="Badge.axaml" /> <ResourceInclude Source="Badge.axaml" />

23
src/Ursa.Themes.Semi/Converters/NavigationMenuItemLevelToMarginConverter.cs
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@@ -1,23 +0,0 @@
using System.Globalization;
using Avalonia;
using Avalonia.Data.Converters;
namespace Ursa.Themes.Semi.Converters;
public class NavigationMenuItemLevelToMarginConverter: IMultiValueConverter
{
public int Indent { get; set; }
public object? Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)
{
if (values[0] is int i && values[1] is bool b)
{
if (b)
{
return new Thickness();
}
return new Thickness((i-1) * Indent, 0, 0, 0);
}
return new Thickness();
}
}

18
src/Ursa.Themes.Semi/Converters/TreeLevelToPaddingConverter.cs Normal file
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@@ -0,0 +1,18 @@
using System.Globalization;
using Avalonia;
using Avalonia.Data.Converters;
namespace Ursa.Themes.Semi.Converters;
public class TreeLevelToPaddingConverter : IMultiValueConverter
{
public object? Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)
{
if (values[0] is int i && values[1] is Thickness indent)
{
return new Thickness(Math.Max(i, 0) * indent.Left, indent.Top, indent.Right, indent.Bottom);
}
return new Thickness();
}
}

8
src/Ursa.Themes.Semi/Themes/Dark/Anchor.axaml Normal file
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@@ -0,0 +1,8 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<StaticResource x:Key="AnchorPipeBackground" ResourceKey="SemiColorBorder" />
<StaticResource x:Key="AnchorForeground" ResourceKey="SemiColorText2" />
<StaticResource x:Key="AnchorSelectedForeground" ResourceKey="SemiColorText0" />
<StaticResource x:Key="AnchorPipeSelectedBackground" ResourceKey="SemiColorPrimary" />
<StaticResource x:Key="AnchorPipeSelectedPrimaryBackground" ResourceKey="SemiColorPrimary" />
<StaticResource x:Key="AnchorPipeSelectedTertiaryBackground" ResourceKey="SemiColorTertiary" />
</ResourceDictionary>

1
src/Ursa.Themes.Semi/Themes/Dark/_index.axaml
View File

@@ -1,6 +1,7 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<ResourceDictionary.MergedDictionaries> <ResourceDictionary.MergedDictionaries>
<ResourceInclude Source="Avatar.axaml" /> <ResourceInclude Source="Avatar.axaml" />
<ResourceInclude Source="Anchor.axaml" />
<ResourceInclude Source="Badge.axaml" /> <ResourceInclude Source="Badge.axaml" />
<ResourceInclude Source="Banner.axaml" /> <ResourceInclude Source="Banner.axaml" />
<ResourceInclude Source="Breadcrumb.axaml" /> <ResourceInclude Source="Breadcrumb.axaml" />

7
src/Ursa.Themes.Semi/Themes/HighContrast/Anchor.axaml Normal file
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@@ -0,0 +1,7 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<StaticResource x:Key="AnchorPipeBackground" ResourceKey="GrayTextColor" />
<StaticResource x:Key="AnchorForeground" ResourceKey="WindowTextColor" />
<StaticResource x:Key="AnchorSelectedForeground" ResourceKey="HotlightColor" />
<StaticResource x:Key="AnchorPipeSelectedBackground" ResourceKey="HotlightColor" />
<StaticResource x:Key="AnchorPipeSelectedPrimaryBackground" ResourceKey="HotlightColor" />
</ResourceDictionary>

1
src/Ursa.Themes.Semi/Themes/HighContrast/_index.axaml
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@@ -1,5 +1,6 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<ResourceDictionary.MergedDictionaries> <ResourceDictionary.MergedDictionaries>
<ResourceInclude Source="Anchor.axaml" />
<ResourceInclude Source="Badge.axaml" /> <ResourceInclude Source="Badge.axaml" />
<ResourceInclude Source="Banner.axaml" /> <ResourceInclude Source="Banner.axaml" />
<ResourceInclude Source="Breadcrumb.axaml" /> <ResourceInclude Source="Breadcrumb.axaml" />

8
src/Ursa.Themes.Semi/Themes/Light/Anchor.axaml Normal file
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<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<StaticResource x:Key="AnchorPipeBackground" ResourceKey="SemiColorBorder" />
<StaticResource x:Key="AnchorForeground" ResourceKey="SemiColorText2" />
<StaticResource x:Key="AnchorSelectedForeground" ResourceKey="SemiColorText0" />
<StaticResource x:Key="AnchorPipeSelectedBackground" ResourceKey="SemiColorPrimary" />
<StaticResource x:Key="AnchorPipeSelectedPrimaryBackground" ResourceKey="SemiColorPrimary" />
<StaticResource x:Key="AnchorPipeSelectedTertiaryBackground" ResourceKey="SemiColorTertiary" />
</ResourceDictionary>

1
src/Ursa.Themes.Semi/Themes/Light/_index.axaml
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@@ -1,6 +1,7 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<ResourceDictionary.MergedDictionaries> <ResourceDictionary.MergedDictionaries>
<ResourceInclude Source="Avatar.axaml" /> <ResourceInclude Source="Avatar.axaml" />
<ResourceInclude Source="Anchor.axaml" />
<ResourceInclude Source="Badge.axaml" /> <ResourceInclude Source="Badge.axaml" />
<ResourceInclude Source="Banner.axaml" /> <ResourceInclude Source="Banner.axaml" />
<ResourceInclude Source="Breadcrumb.axaml" /> <ResourceInclude Source="Breadcrumb.axaml" />

8
src/Ursa.Themes.Semi/Themes/Shared/Anchor.axaml Normal file
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<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Thickness x:Key="AnchorIndent">8,4,0,4</Thickness>
<x:Double x:Key="AnchorPipeWidth">2</x:Double>
<CornerRadius x:Key="AnchorPipeCornerRadius">1</CornerRadius>
<x:Double x:Key="AnchorDefaultHeight">20</x:Double>
<x:Double x:Key="AnchorSmallHeight">16</x:Double>
<x:Double x:Key="AnchorSmallFontSize">12</x:Double>
</ResourceDictionary>

1
src/Ursa.Themes.Semi/Themes/Shared/_index.axaml
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@@ -1,6 +1,7 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<ResourceDictionary.MergedDictionaries> <ResourceDictionary.MergedDictionaries>
<ResourceInclude Source="Avatar.axaml" /> <ResourceInclude Source="Avatar.axaml" />
<ResourceInclude Source="Anchor.axaml" />
<ResourceInclude Source="Badge.axaml" /> <ResourceInclude Source="Badge.axaml" />
<ResourceInclude Source="Banner.axaml" /> <ResourceInclude Source="Banner.axaml" />
<ResourceInclude Source="ButtonGroup.axaml" /> <ResourceInclude Source="ButtonGroup.axaml" />

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src/Ursa/Common/LogicalHelpers.cs Normal file
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using Avalonia.LogicalTree;
using Ursa.Controls;
namespace Ursa.Common;
public static class LogicalHelpers
{
public static int CalculateDistanceFromLogicalParent<T, TItem>(TItem? item, int defaultValue = -1)
where T : class
where TItem : ILogical
{
var result = 0;
ILogical? logical = item;
while (logical is not null and not T)
{
if (logical is TItem) result++;
logical = logical.LogicalParent;
}
return item is not null ? result : defaultValue;
}
}

14
src/Ursa/Common/VisualHelpers.cs Normal file
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using Avalonia;
using Avalonia.Controls;
using Avalonia.VisualTree;
namespace Ursa.Common;
public static class VisualHelpers
{
public static T? GetContainerFromEventSource<T>(this Visual? source) where T: Control
{
var item = source?.GetSelfAndVisualAncestors().OfType<T>().FirstOrDefault();
return item;
}
}

221
src/Ursa/Controls/Anchor/Anchor.cs Normal file
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using Avalonia;
using Avalonia.Animation;
using Avalonia.Animation.Easings;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Styling;
using Avalonia.VisualTree;
using Ursa.Common;
namespace Ursa.Controls;
/// <summary>
/// Some basic assumptions: This should not be a regular SelectingItemsControl, because it does not support multiple
/// selections.
/// Selection should not be exposed to the user, it is only used to determine which item is currently selected.
/// The manipulation of container selection should be simplified.
/// Scroll event of TargetContainer also triggers selection change.
/// </summary>
public class Anchor : ItemsControl
{
public static readonly StyledProperty<ScrollViewer?> TargetContainerProperty =
AvaloniaProperty.Register<Anchor, ScrollViewer?>(
nameof(TargetContainer));
public static readonly AttachedProperty<string?> IdProperty =
AvaloniaProperty.RegisterAttached<Anchor, Visual, string?>("Id");
private CancellationTokenSource _cts = new();
private List<(string, double)> _positions = [];
private bool _scrollingFromSelection;
private AnchorItem? _selectedContainer;
public ScrollViewer? TargetContainer
{
get => GetValue(TargetContainerProperty);
set => SetValue(TargetContainerProperty, value);
}
public static void SetId(Visual obj, string? value)
{
obj.SetValue(IdProperty, value);
}
public static string? GetId(Visual obj)
{
return obj.GetValue(IdProperty);
}
public static readonly StyledProperty<double> TopOffsetProperty = AvaloniaProperty.Register<Anchor, double>(
nameof(TopOffset));
public double TopOffset
{
get => GetValue(TopOffsetProperty);
set => SetValue(TopOffsetProperty, value);
}
protected override bool NeedsContainerOverride(object? item, int index, out object? recycleKey)
{
return NeedsContainer<AnchorItem>(item, out recycleKey);
}
protected override Control CreateContainerForItemOverride(object? item, int index, object? recycleKey)
{
var i = new AnchorItem();
return i;
}
private void ScrollToAnchor(Visual target)
{
if (TargetContainer is null)
return;
var targetPosition = target.TranslatePoint(new Point(0, 0), TargetContainer);
if (targetPosition.HasValue)
{
var from = TargetContainer.Offset.Y;
var to = TargetContainer.Offset.Y + targetPosition.Value.Y - TopOffset;
if (to > TargetContainer.Extent.Height - TargetContainer.Bounds.Height)
to = TargetContainer.Extent.Height - TargetContainer.Bounds.Height;
if (from == to) return;
var animation = new Animation
{
Duration = TimeSpan.FromSeconds(0.3),
Easing = new QuadraticEaseOut(),
Children =
{
new KeyFrame
{
Setters = { new Setter(ScrollViewer.OffsetProperty, new Vector(0, from)) },
Cue = new Cue(0.0)
},
new KeyFrame
{
Setters = { new Setter(ScrollViewer.OffsetProperty, new Vector(0, to)) },
Cue = new Cue(1.0)
}
}
};
_cts.Cancel();
_cts.Dispose();
_cts = new CancellationTokenSource();
var token = _cts.Token;
token.Register(_ => _scrollingFromSelection = false, null);
_scrollingFromSelection = true;
animation.RunAsync(TargetContainer, token).ContinueWith(_ => _scrollingFromSelection = false, token);
}
}
public void InvalidatePositions()
{
InvalidateAnchorPositions();
MarkSelectedContainerByPosition();
}
internal void InvalidateAnchorPositions()
{
if (TargetContainer is null) return;
var items = TargetContainer.GetVisualDescendants().Where(a => GetId(a) is not null);
var positions = new List<(string, double)>();
foreach (var item in items)
{
var anchorId = GetId(item);
if (anchorId is null) continue;
var position = item.TransformToVisual(TargetContainer)?.M32 + TargetContainer.Offset.Y;
if (position.HasValue) positions.Add((anchorId, position.Value));
}
positions.Sort((a, b) => a.Item2.CompareTo(b.Item2));
_positions = positions;
}
protected override void OnLoaded(RoutedEventArgs e)
{
base.OnLoaded(e);
var target = TargetContainer;
if (target is null) return;
TargetContainer?.AddHandler(ScrollViewer.ScrollChangedEvent, OnScrollChanged);
TargetContainer?.AddHandler(LoadedEvent, OnTargetContainerLoaded);
if (TargetContainer?.IsLoaded == true) InvalidateAnchorPositions();
MarkSelectedContainerByPosition();
}
private void OnScrollChanged(object? sender, ScrollChangedEventArgs e)
{
if (_scrollingFromSelection) return;
MarkSelectedContainerByPosition();
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
base.OnPointerPressed(e);
var source = (e.Source as Visual).GetContainerFromEventSource<AnchorItem>();
if (source is null) return;
MarkSelectedContainer(source);
var target = TargetContainer?.GetVisualDescendants()
.FirstOrDefault(a => GetId(a) == source.AnchorId);
if (target is null) return;
ScrollToAnchor(target);
}
/// <summary>
/// This method is used to expose the protected CreateContainerForItemOverride method to the AnchorItem class.
/// </summary>
internal Control CreateContainerForItemOverrideInternal(object? item, int index, object? recycleKey)
{
return CreateContainerForItemOverride(item, index, recycleKey);
}
internal bool NeedsContainerOverrideInternal(object? item, int index, out object? recycleKey)
{
return NeedsContainerOverride(item, index, out recycleKey);
}
internal void PrepareContainerForItemOverrideInternal(Control container, object? item, int index)
{
PrepareContainerForItemOverride(container, item, index);
}
internal void ContainerForItemPreparedOverrideInternal(Control container, object? item, int index)
{
ContainerForItemPreparedOverride(container, item, index);
}
internal void MarkSelectedContainer(AnchorItem? item)
{
var oldValue = _selectedContainer;
var newValue = item;
if (oldValue == newValue) return;
_selectedContainer?.SetValue(AnchorItem.IsSelectedProperty, false);
_selectedContainer = newValue;
_selectedContainer?.SetValue(AnchorItem.IsSelectedProperty, true);
}
internal void MarkSelectedContainerByPosition()
{
if (TargetContainer is null) return;
var top = TargetContainer.Offset.Y + TopOffset;
var topAnchorId = _positions.LastOrDefault(a => a.Item2 <= top).Item1;
if (topAnchorId is null) return;
var item = this.GetVisualDescendants().OfType<AnchorItem>()
.FirstOrDefault(a => a.AnchorId == topAnchorId);
if (item is null) return;
MarkSelectedContainer(item);
}
protected override void OnUnloaded(RoutedEventArgs e)
{
base.OnUnloaded(e);
TargetContainer?.RemoveHandler(LoadedEvent, OnTargetContainerLoaded);
TargetContainer?.RemoveHandler(ScrollViewer.ScrollChangedEvent, OnScrollChanged);
}
private void OnTargetContainerLoaded(object? sender, RoutedEventArgs e)
{
InvalidateAnchorPositions();
}
}

91
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using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Mixins;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.LogicalTree;
using Ursa.Common;
namespace Ursa.Controls;
public class AnchorItem : HeaderedItemsControl, ISelectable
{
public static readonly StyledProperty<string?> AnchorIdProperty = AvaloniaProperty.Register<AnchorItem, string?>(
nameof(AnchorId));
public static readonly StyledProperty<bool> IsSelectedProperty =
SelectingItemsControl.IsSelectedProperty.AddOwner<AnchorItem>();
private static readonly FuncTemplate<Panel?> DefaultPanel =
new(() => new StackPanel());
internal static readonly DirectProperty<AnchorItem, int> LevelProperty =
AvaloniaProperty.RegisterDirect<AnchorItem, int>(
nameof(Level), o => o.Level, (o, v) => o.Level = v);
private int _level;
private Anchor? _root;
static AnchorItem()
{
SelectableMixin.Attach<AnchorItem>(IsSelectedProperty);
PressedMixin.Attach<AnchorItem>();
ItemsPanelProperty.OverrideDefaultValue<AnchorItem>(DefaultPanel);
}
public int Level
{
get => _level;
set => SetAndRaise(LevelProperty, ref _level, value);
}
public string? AnchorId
{
get => GetValue(AnchorIdProperty);
set => SetValue(AnchorIdProperty, value);
}
public bool IsSelected
{
get => GetValue(IsSelectedProperty);
set => SetValue(IsSelectedProperty, value);
}
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
_root = this.GetLogicalAncestors().OfType<Anchor>().FirstOrDefault();
Level = LogicalHelpers.CalculateDistanceFromLogicalParent<Anchor, AnchorItem>(this);
if (ItemTemplate is null && _root?.ItemTemplate is not null)
SetCurrentValue(ItemTemplateProperty, _root.ItemTemplate);
if (ItemContainerTheme is null && _root?.ItemContainerTheme is not null)
SetCurrentValue(ItemContainerThemeProperty, _root.ItemContainerTheme);
}
protected override Control CreateContainerForItemOverride(object? item, int index, object? recycleKey)
{
return EnsureRoot().CreateContainerForItemOverrideInternal(item, index, recycleKey);
}
protected override bool NeedsContainerOverride(object? item, int index, out object? recycleKey)
{
return EnsureRoot().NeedsContainerOverrideInternal(item, index, out recycleKey);
}
protected override void PrepareContainerForItemOverride(Control container, object? item, int index)
{
EnsureRoot().PrepareContainerForItemOverrideInternal(container, item, index);
}
protected override void ContainerForItemPreparedOverride(Control container, object? item, int index)
{
EnsureRoot().ContainerForItemPreparedOverrideInternal(container, item, index);
}
private Anchor EnsureRoot()
{
return _root ?? throw new InvalidOperationException("AnchorItem must be inside an Anchor control.");
}
}

90
tests/HeadlessTest.Ursa/Controls/AnchorTests/TestView.axaml Normal file
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<UserControl
x:Class="HeadlessTest.Ursa.Controls.AnchorTests.TestView"
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:u="https://irihi.tech/ursa"
d:DesignHeight="450"
d:DesignWidth="800"
mc:Ignorable="d">
<Grid ColumnDefinitions="Auto, *">
<ScrollViewer
Name="ScrollViewer"
Grid.Column="1"
VerticalAlignment="Stretch">
<StackPanel>
<StackPanel.Styles>
<Style Selector="TextBlock">
<Setter Property="HorizontalAlignment" Value="Center" />
<Setter Property="VerticalAlignment" Value="Center" />
</Style>
</StackPanel.Styles>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="a1"
Background="{DynamicResource SemiRed2}">
<TextBlock Text="Border 1" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="a2"
Background="{DynamicResource SemiPink1}">
<TextBlock Text="Border 2" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="a3"
Background="{DynamicResource SemiPurple1}">
<TextBlock Text="Border 3" />
</Border>
<Border
Height="300"
u:Anchor.Id="a4"
HorizontalAlignment="Stretch"
Background="{DynamicResource SemiViolet1}">
<TextBlock Text="Border 4" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="a5"
Background="{DynamicResource SemiIndigo1}">
<TextBlock Text="Border 5" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="a6"
Background="{DynamicResource SemiBlue1}">
<TextBlock Text="Border 6" />
</Border>
<Border
Height="300"
HorizontalAlignment="Stretch"
u:Anchor.Id="a7"
Background="{DynamicResource SemiLightBlue1}">
<TextBlock Text="Border 7" />
</Border>
</StackPanel>
</ScrollViewer>
<u:Anchor
Name="Anchor"
Grid.Column="0"
Width="200"
TargetContainer="{Binding ElementName=ScrollViewer}">
<u:AnchorItem Name="Item1" AnchorId="a1" Header="Rectangle 1">
<u:AnchorItem Name="Item2" AnchorId="a2" Header="Rectangle 2" />
<u:AnchorItem AnchorId="a3" Header="Rectangle 3" />
</u:AnchorItem>
<u:AnchorItem Name="Item4" AnchorId="a4" Header="Rectangle 4" />
<u:AnchorItem AnchorId="a5" Header="Rectangle 5">
<u:AnchorItem AnchorId="a6" Header="Rectangle 6" />
<u:AnchorItem AnchorId="a7" Header="Rectangle 7" />
</u:AnchorItem>
</u:Anchor>
</Grid>
</UserControl>

13
tests/HeadlessTest.Ursa/Controls/AnchorTests/TestView.axaml.cs Normal file
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using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
namespace HeadlessTest.Ursa.Controls.AnchorTests;
public partial class TestView : UserControl
{
public TestView()
{
InitializeComponent();
}
}

27
tests/HeadlessTest.Ursa/Controls/AnchorTests/TestView2.axaml Normal file
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<UserControl xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:u="https://irihi.tech/ursa"
xmlns:vm="clr-namespace:HeadlessTest.Ursa.Controls.AnchorTests"
mc:Ignorable="d" d:DesignWidth="800"
d:DesignHeight="450"
x:DataType="vm:AnchorDemoViewModel"
x:CompileBindings="True"
x:Class="HeadlessTest.Ursa.Controls.AnchorTests.TestView2">
<u:Anchor
Width="200"
Margin="24"
ItemsSource="{Binding AnchorItems}">
<u:Anchor.Styles>
<Style x:DataType="vm:AnchorItemViewModel" Selector="u|AnchorItem">
<Setter Property="AnchorId" Value="{Binding AnchorId}" />
</Style>
</u:Anchor.Styles>
<u:Anchor.ItemTemplate>
<TreeDataTemplate ItemsSource="{Binding Children}">
<TextBlock Text="{Binding Header}"/>
</TreeDataTemplate>
</u:Anchor.ItemTemplate>
</u:Anchor>
</UserControl>

46
tests/HeadlessTest.Ursa/Controls/AnchorTests/TestView2.axaml.cs Normal file
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using System.Collections.ObjectModel;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
using CommunityToolkit.Mvvm.ComponentModel;
namespace HeadlessTest.Ursa.Controls.AnchorTests;
public partial class TestView2 : UserControl
{
public TestView2()
{
InitializeComponent();
DataContext = new AnchorDemoViewModel();
}
}
public partial class AnchorDemoViewModel: ObservableObject
{
public List<AnchorItemViewModel> AnchorItems { get; } = new()
{
new AnchorItemViewModel { AnchorId = "anchor1", Header = "Anchor 1" },
new AnchorItemViewModel { AnchorId = "anchor2", Header = "Anchor 2" },
new AnchorItemViewModel
{
AnchorId = "anchor3", Header = "Anchor 3",
Children =
[
new AnchorItemViewModel() { AnchorId = "anchor3-1", Header = "Anchor 3.1" },
new AnchorItemViewModel() { AnchorId = "anchor3-2", Header = "Anchor 3.2" },
new AnchorItemViewModel() { AnchorId = "anchor3-3", Header = "Anchor 3.3" }
]
},
new AnchorItemViewModel { AnchorId = "anchor4", Header = "Anchor 4" },
new AnchorItemViewModel { AnchorId = "anchor5", Header = "Anchor 5" },
new AnchorItemViewModel { AnchorId = "anchor6", Header = "Anchor 6" },
new AnchorItemViewModel { AnchorId = "anchor7", Header = "Anchor 7" },
};
}
public partial class AnchorItemViewModel: ObservableObject
{
[ObservableProperty] private string? _anchorId;
[ObservableProperty] private string? _header;
public ObservableCollection<AnchorItemViewModel>? Children { get; set; }
}

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tests/HeadlessTest.Ursa/Controls/AnchorTests/Tests.cs Normal file
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using Avalonia;
using Avalonia.Controls;
using Avalonia.Headless;
using Avalonia.Headless.XUnit;
using Avalonia.Input;
using Avalonia.Threading;
using Avalonia.VisualTree;
using Ursa.Controls;
namespace HeadlessTest.Ursa.Controls.AnchorTests;
public class Tests
{
[AvaloniaFact]
public async void Click_Anchor_With_Mouse_Should_Update_Scroll_Offset()
{
var window = new Window()
{
Width = 500,
Height = 500,
};
var view = new TestView();
window.Content = view;
window.Show();
var anchor = view.FindControl<Anchor>("Anchor");
var scrollViewer = view.FindControl<ScrollViewer>("ScrollViewer");
var item4 = view.FindControl<AnchorItem>("Item4");
Assert.NotNull(anchor);
Assert.NotNull(scrollViewer);
Assert.NotNull(item4);
var transltion = item4.TranslatePoint(new Point(0, 0), window);
Assert.Equal(0, scrollViewer.Offset.Y);
// Simulate a click on the anchor
window.MouseDown(new Point(10, transltion.Value.Y+10), MouseButton.Left);
Dispatcher.UIThread.RunJobs();
await Task.Delay(800);
Assert.True(item4.IsSelected);
Assert.Equal(300.0 * 3, scrollViewer.Offset.Y, 50.0);
}
[AvaloniaFact]
public async void Change_Scroll_Offset_Should_Update_Selected_Item()
{
var window = new Window()
{
Width = 500,
Height = 500,
};
var view = new TestView();
window.Content = view;
window.Show();
var anchor = view.FindControl<Anchor>("Anchor");
var scrollViewer = view.FindControl<ScrollViewer>("ScrollViewer");
var item1 = view.FindControl<AnchorItem>("Item1");
var item2 = view.FindControl<AnchorItem>("Item2");
var item4 = view.FindControl<AnchorItem>("Item4");
Assert.NotNull(anchor);
Assert.NotNull(scrollViewer);
Assert.NotNull(item1);
Assert.NotNull(item2);
Assert.NotNull(item4);
Dispatcher.UIThread.RunJobs();
Assert.True(item1.IsSelected);
Assert.False(item2.IsSelected);
// Change the scroll offset
scrollViewer.Offset = new Vector(0, 310.0);
Dispatcher.UIThread.RunJobs();
// Check if the second item is selected
Assert.True(item2.IsSelected);
Assert.False(item4.IsSelected);
}
[AvaloniaFact]
public void MVVM_Support()
{
var window = new Window();
var view = new TestView2();
window.Content = view;
window.Show();
Dispatcher.UIThread.RunJobs();
var items = window.GetVisualDescendants().OfType<AnchorItem>().ToList();
Assert.NotEmpty(items);
Assert.Equal(10, items.Count);
}
}