Merge pull request #535 from irihitech/534-form

Fix Form A11y for dynamic generated FormItems.
This commit is contained in:
Dong Bin
2025-01-13 21:30:54 +08:00
committed by GitHub
10 changed files with 232 additions and 4 deletions

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<UserControl
x:Class="HeadlessTest.Ursa.Controls.FormTests.AccessibilityTests.DynamicForm"
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:accessibilityTests="clr-namespace:HeadlessTest.Ursa.Controls.FormTests.AccessibilityTests"
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"
x:CompileBindings="True"
x:DataType="accessibilityTests:DynamicFormViewModel"
mc:Ignorable="d">
<u:Form Name="form" ItemsSource="{Binding Items}">
<u:Form.Styles>
<Style x:DataType="accessibilityTests:FormTextViewModel" Selector="u|FormItem">
<Setter Property="Label" Value="{Binding Label}" />
</Style>
</u:Form.Styles>
<u:Form.ItemTemplate>
<DataTemplate DataType="accessibilityTests:FormTextViewModel">
<TextBox Text="{Binding Value}" />
</DataTemplate>
</u:Form.ItemTemplate>
</u:Form>
</UserControl>

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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.FormTests.AccessibilityTests;
public partial class DynamicForm : UserControl
{
public DynamicForm()
{
InitializeComponent();
this.DataContext = new DynamicFormViewModel();
}
}
public partial class DynamicFormViewModel: ObservableObject
{
public ObservableCollection<FormTextViewModel> Items { get; set; } =
[
new() { Label = "_Name" },
new() { Label = "_Email" }
];
}
public partial class FormTextViewModel : ObservableObject
{
[ObservableProperty] private string? _label;
[ObservableProperty] private string? _value;
}

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@@ -0,0 +1,78 @@
using Avalonia.Controls;
using Avalonia.Headless;
using Avalonia.Headless.XUnit;
using Avalonia.Input;
using Avalonia.LogicalTree;
using Ursa.Controls;
namespace HeadlessTest.Ursa.Controls.FormTests.AccessibilityTests;
public class FormAccessibilityTests
{
[AvaloniaFact]
public void Static_Form_Inner_Control_Accessible()
{
var window = new Window();
var form = new StaticForm();
window.Content = form;
window.Show();
Assert.False(form.NameBox.IsFocused);
Assert.False(form.EmailBox.IsFocused);
window.KeyPressQwerty(PhysicalKey.N, RawInputModifiers.Alt);
Assert.True(form.NameBox.IsFocused);
Assert.False(form.EmailBox.IsFocused);
window.KeyPressQwerty(PhysicalKey.E, RawInputModifiers.Alt);
Assert.False(form.NameBox.IsFocused);
Assert.True(form.EmailBox.IsFocused);
}
[AvaloniaFact]
public void Static_Form_With_FormItem_Accessible()
{
var window = new Window();
var form = new StaticForm2();
window.Content = form;
window.Show();
Assert.False(form.NameBox.IsFocused);
Assert.False(form.EmailBox.IsFocused);
window.KeyPressQwerty(PhysicalKey.N, RawInputModifiers.Alt);
Assert.True(form.NameBox.IsFocused);
Assert.False(form.EmailBox.IsFocused);
window.KeyPressQwerty(PhysicalKey.E, RawInputModifiers.Alt);
Assert.False(form.NameBox.IsFocused);
Assert.True(form.EmailBox.IsFocused);
}
[AvaloniaFact]
public void Dynamic_Form_Inner_Control_Accessible()
{
var window = new Window();
var form = new DynamicForm();
window.Content = form;
window.Show();
var logicalChildren = form.form.GetLogicalChildren().ToList();
Assert.Equal(2, logicalChildren.Count);
var first = logicalChildren[0] as FormItem;
var second = logicalChildren[1] as FormItem;
Assert.NotNull(first);
Assert.NotNull(second);
var text1 = first.GetLogicalChildren().OfType<TextBox>().FirstOrDefault();
var text2 = second.GetLogicalChildren().OfType<TextBox>().FirstOrDefault();
Assert.NotNull(text1);
Assert.NotNull(text2);
Assert.False(text1.IsFocused);
Assert.False(text2.IsFocused);
window.KeyPressQwerty(PhysicalKey.N, RawInputModifiers.Alt);
Assert.True(text1.IsFocused);
Assert.False(text2.IsFocused);
window.KeyPressQwerty(PhysicalKey.E, RawInputModifiers.Alt);
Assert.False(text1.IsFocused);
Assert.True(text2.IsFocused);
}
}

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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"
mc:Ignorable="d" d:DesignWidth="800"
d:DesignHeight="450"
x:Class="HeadlessTest.Ursa.Controls.FormTests.AccessibilityTests.StaticForm">
<u:Form LabelWidth="200" LabelPosition="Left" LabelAlignment="Left">
<TextBox Name="NameBox" Width="300" u:FormItem.Label="_Name" />
<TextBox Name="EmailBox" Width="300" u:FormItem.Label="_Email" />
</u:Form>
</UserControl>

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@@ -0,0 +1,13 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
namespace HeadlessTest.Ursa.Controls.FormTests.AccessibilityTests;
public partial class StaticForm : UserControl
{
public StaticForm()
{
InitializeComponent();
}
}

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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"
mc:Ignorable="d" d:DesignWidth="800"
d:DesignHeight="450"
x:Class="HeadlessTest.Ursa.Controls.FormTests.AccessibilityTests.StaticForm2">
<u:Form LabelWidth="200" LabelPosition="Left" LabelAlignment="Left">
<u:FormItem Label="_Name">
<TextBox Name="NameBox" Width="300" />
</u:FormItem>
<u:FormItem Label="_Email">
<TextBox Name="EmailBox" Width="300" />
</u:FormItem>
</u:Form>
</UserControl>

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@@ -0,0 +1,13 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
namespace HeadlessTest.Ursa.Controls.FormTests.AccessibilityTests;
public partial class StaticForm2 : UserControl
{
public StaticForm2()
{
InitializeComponent();
}
}

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@@ -4,7 +4,6 @@
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<IsPackable>false</IsPackable>
<IsTestProject>true</IsTestProject>
</PropertyGroup>