Josua Jäger
7 years ago
committed by
GitHub
GitHub
69 changed files with 839 additions and 799 deletions
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<UserControl xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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x:Class="ControlCatalog.Pages.TabStripPage" |
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xmlns="https://github.com/avaloniaui"> |
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<StackPanel Orientation="Vertical" Spacing="4"> |
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<TextBlock Classes="h1">TabStrip</TextBlock> |
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<TextBlock Classes="h2">A control which displays a selectable strip of tabs</TextBlock> |
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<Separator Margin="0 16"/> |
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<TextBlock Classes="h1">Defined in XAML</TextBlock> |
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<TabStrip> |
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<TabStripItem>Item 1</TabStripItem> |
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<TabStripItem>Item 2</TabStripItem> |
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<TabStripItem IsEnabled="False">Disabled</TabStripItem> |
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</TabStrip> |
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<Separator Margin="0 16"/> |
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<TextBlock Classes="h1">Dynamically generated</TextBlock> |
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<TabStrip Items="{Binding}"> |
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<TabStrip.Styles> |
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<Style Selector="TabStripItem"> |
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<Setter Property="IsEnabled" Value="{Binding IsEnabled}"/> |
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</Style> |
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</TabStrip.Styles> |
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<TabStrip.ItemTemplate> |
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<DataTemplate> |
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<TextBlock Text="{Binding Header}"/> |
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</DataTemplate> |
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</TabStrip.ItemTemplate> |
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</TabStrip> |
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</StackPanel> |
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</UserControl> |
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using System; |
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using Avalonia; |
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using Avalonia.Controls; |
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using Avalonia.Markup.Xaml; |
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using Avalonia.Media.Imaging; |
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using Avalonia.Platform; |
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namespace ControlCatalog.Pages |
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{ |
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public class TabStripPage : UserControl |
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{ |
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public TabStripPage() |
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{ |
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InitializeComponent(); |
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DataContext = new[] |
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{ |
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new TabStripItemViewModel |
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{ |
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Header = "Item 1", |
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}, |
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new TabStripItemViewModel |
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{ |
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Header = "Item 2", |
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}, |
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new TabStripItemViewModel |
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{ |
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Header = "Disabled", |
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IsEnabled = false, |
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}, |
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}; |
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} |
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private void InitializeComponent() |
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{ |
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AvaloniaXamlLoader.Load(this); |
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} |
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private class TabStripItemViewModel |
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{ |
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public string Header { get; set; } |
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public bool IsEnabled { get; set; } = true; |
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} |
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} |
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} |
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@ -1,35 +0,0 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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namespace Avalonia.Controls.Templates |
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{ |
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/// <summary>
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/// Selects a member of an object using a <see cref="Func{TObject, TMember}"/>.
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/// </summary>
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public class FuncMemberSelector<TObject, TMember> : IMemberSelector |
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{ |
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private readonly Func<TObject, TMember> _selector; |
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/// <summary>
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/// Initializes a new instance of the <see cref="FuncMemberSelector{TObject, TMember}"/>
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/// class.
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/// </summary>
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/// <param name="selector">The selector.</param>
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public FuncMemberSelector(Func<TObject, TMember> selector) |
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{ |
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this._selector = selector; |
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} |
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/// <summary>
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/// Selects a member of an object.
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/// </summary>
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/// <param name="o">The object.</param>
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/// <returns>The selected member.</returns>
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public object Select(object o) |
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{ |
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return (o is TObject) ? _selector((TObject)o) : default(TMember); |
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} |
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} |
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} |
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@ -1,18 +0,0 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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namespace Avalonia.Controls.Templates |
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{ |
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/// <summary>
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/// Selects a member of an object.
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/// </summary>
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public interface IMemberSelector |
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{ |
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/// <summary>
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/// Selects a member of an object.
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/// </summary>
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/// <param name="o">The object.</param>
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/// <returns>The selected member.</returns>
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object Select(object o); |
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} |
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} |
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@ -1,23 +1,24 @@ |
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<UserControl xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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x:Class="Avalonia.Diagnostics.DevTools"> |
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<Grid RowDefinitions="Auto,*,Auto"> |
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<TabStrip SelectedIndex="{Binding SelectedTab, Mode=TwoWay}"> |
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<TabStripItem Content="Logical Tree"/> |
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<TabStripItem Content="Visual Tree"/> |
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<TabStripItem Content="Events"/> |
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</TabStrip> |
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<Grid RowDefinitions="*,Auto" Margin="4"> |
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<ContentControl Content="{Binding Content}" Grid.Row="1"/> |
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<StackPanel Spacing="4" Orientation="Horizontal" Grid.Row="2"> |
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<TextBlock>Hold Ctrl+Shift over a control to inspect.</TextBlock> |
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<Separator Width="8"/> |
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<TextBlock>Focused:</TextBlock> |
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<TextBlock Text="{Binding FocusedControl}"/> |
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<Separator Width="8"/> |
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<TextBlock>Pointer Over:</TextBlock> |
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<TextBlock Text="{Binding PointerOverElement}"/> |
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</StackPanel> |
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</Grid> |
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<TabControl Grid.Row="0" Items="{Binding Tools}" SelectedItem="{Binding SelectedTool}"> |
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<TabControl.ItemTemplate> |
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<DataTemplate> |
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<TextBlock Text="{Binding Name}" /> |
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</DataTemplate> |
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</TabControl.ItemTemplate> |
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</TabControl> |
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<StackPanel Grid.Row="1" Spacing="4" Orientation="Horizontal"> |
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<TextBlock>Hold Ctrl+Shift over a control to inspect.</TextBlock> |
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<Separator Width="8" /> |
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<TextBlock>Focused:</TextBlock> |
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<TextBlock Text="{Binding FocusedControl}" /> |
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<Separator Width="8" /> |
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<TextBlock>Pointer Over:</TextBlock> |
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<TextBlock Text="{Binding PointerOverElement}" /> |
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</StackPanel> |
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</Grid> |
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</UserControl> |
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@ -0,0 +1,16 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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namespace Avalonia.Diagnostics.ViewModels |
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{ |
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/// <summary>
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/// View model interface for tool showing up in DevTools
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/// </summary>
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public interface IDevToolViewModel |
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{ |
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/// <summary>
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/// Name of a tool.
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/// </summary>
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string Name { get; } |
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} |
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} |
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@ -1,4 +1,7 @@ |
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using System; |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.ComponentModel; |
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using System.Reactive.Linq; |
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using System.Reflection; |
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@ -1,24 +0,0 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.Globalization; |
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using Avalonia.Markup.Xaml.Templates; |
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namespace Avalonia.Markup.Xaml.Converters |
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{ |
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using System.ComponentModel; |
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public class MemberSelectorTypeConverter : TypeConverter |
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{ |
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public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) |
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{ |
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return sourceType == typeof(string); |
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} |
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public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) |
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{ |
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return MemberSelector.Parse((string)value); |
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} |
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} |
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} |
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@ -1,48 +0,0 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using Avalonia.Controls.Templates; |
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using Avalonia.Data; |
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using Avalonia.Data.Core; |
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using Avalonia.Markup.Parsers; |
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using System; |
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using System.Reactive.Linq; |
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namespace Avalonia.Markup.Xaml.Templates |
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{ |
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public class MemberSelector : IMemberSelector |
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{ |
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private string _memberName; |
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public string MemberName |
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{ |
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get { return _memberName; } |
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set |
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{ |
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if (_memberName != value) |
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{ |
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_memberName = value; |
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} |
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} |
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} |
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public static MemberSelector Parse(string s) |
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{ |
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return new MemberSelector { MemberName = s }; |
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} |
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public object Select(object o) |
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{ |
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if (string.IsNullOrEmpty(MemberName)) |
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{ |
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return o; |
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} |
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var expression = ExpressionObserverBuilder.Build(o, MemberName); |
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object result = AvaloniaProperty.UnsetValue; |
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expression.Subscribe(x => result = x); |
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return (result == AvaloniaProperty.UnsetValue || result is BindingNotification) ? null : result; |
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} |
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} |
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} |
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@ -1,55 +0,0 @@ |
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using Avalonia.Markup.Xaml.Templates; |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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using JetBrains.dotMemoryUnit; |
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using Xunit; |
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using Xunit.Abstractions; |
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namespace Avalonia.LeakTests |
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{ |
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[DotMemoryUnit(FailIfRunWithoutSupport = false)] |
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public class MemberSelectorTests |
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{ |
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public MemberSelectorTests(ITestOutputHelper atr) |
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{ |
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DotMemoryUnitTestOutput.SetOutputMethod(atr.WriteLine); |
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} |
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[Fact] |
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public void Should_Not_Hold_Reference_To_Object() |
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{ |
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WeakReference dataRef = null; |
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var selector = new MemberSelector() { MemberName = "Child.StringValue" }; |
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Action run = () => |
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{ |
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var data = new Item() |
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{ |
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Child = new Item() { StringValue = "Value1" } |
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}; |
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Assert.Same("Value1", selector.Select(data)); |
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dataRef = new WeakReference(data); |
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}; |
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run(); |
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GC.Collect(); |
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Assert.False(dataRef.IsAlive); |
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} |
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private class Item |
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{ |
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public Item Child { get; set; } |
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public int IntValue { get; set; } |
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public string StringValue { get; set; } |
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} |
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} |
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} |
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@ -1,159 +0,0 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using Avalonia.Markup.Xaml.Templates; |
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using System; |
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using Xunit; |
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namespace Avalonia.Markup.Xaml.UnitTests.Templates |
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{ |
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public class MemberSelectorTests |
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{ |
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[Fact] |
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public void Should_Select_Child_Property_Value() |
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{ |
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var selector = new MemberSelector() { MemberName = "Child.StringValue" }; |
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var data = new Item() |
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{ |
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Child = new Item() { StringValue = "Value1" } |
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}; |
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Assert.Same("Value1", selector.Select(data)); |
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} |
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[Fact] |
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public void Should_Select_Child_Property_Value_In_Multiple_Items() |
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{ |
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var selector = new MemberSelector() { MemberName = "Child.StringValue" }; |
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var data = new Item[] |
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{ |
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new Item() { Child = new Item() { StringValue = "Value1" } }, |
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new Item() { Child = new Item() { StringValue = "Value2" } }, |
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new Item() { Child = new Item() { StringValue = "Value3" } } |
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}; |
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Assert.Same("Value1", selector.Select(data[0])); |
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Assert.Same("Value2", selector.Select(data[1])); |
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Assert.Same("Value3", selector.Select(data[2])); |
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} |
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[Fact] |
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public void Should_Select_MoreComplex_Property_Value() |
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{ |
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var selector = new MemberSelector() { MemberName = "Child.Child.Child.StringValue" }; |
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var data = new Item() |
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{ |
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Child = new Item() |
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{ |
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Child = new Item() |
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{ |
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Child = new Item() { StringValue = "Value1" } |
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} |
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} |
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}; |
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Assert.Same("Value1", selector.Select(data)); |
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} |
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[Fact] |
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public void Should_Select_Null_Value_On_Null_Object() |
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{ |
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var selector = new MemberSelector() { MemberName = "StringValue" }; |
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Assert.Null(selector.Select(null)); |
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} |
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[Fact] |
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public void Should_Select_Null_Value_On_Wrong_MemberName() |
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{ |
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var selector = new MemberSelector() { MemberName = "WrongProperty" }; |
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var data = new Item() { StringValue = "Value1" }; |
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Assert.Null(selector.Select(data)); |
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} |
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[Fact] |
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public void Should_Select_Simple_Property_Value() |
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{ |
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var selector = new MemberSelector() { MemberName = "StringValue" }; |
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var data = new Item() { StringValue = "Value1" }; |
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Assert.Same("Value1", selector.Select(data)); |
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} |
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[Fact] |
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public void Should_Select_Simple_Property_Value_In_Multiple_Items() |
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{ |
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var selector = new MemberSelector() { MemberName = "StringValue" }; |
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var data = new Item[] |
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{ |
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new Item() { StringValue = "Value1" }, |
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new Item() { StringValue = "Value2" }, |
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new Item() { StringValue = "Value3" } |
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}; |
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Assert.Same("Value1", selector.Select(data[0])); |
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Assert.Same("Value2", selector.Select(data[1])); |
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Assert.Same("Value3", selector.Select(data[2])); |
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} |
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[Fact] |
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public void Should_Select_Target_On_Empty_MemberName() |
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{ |
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var selector = new MemberSelector(); |
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var data = new Item() { StringValue = "Value1" }; |
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Assert.Same(data, selector.Select(data)); |
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} |
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[Fact] |
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public void Should_Support_Change_Of_MemberName() |
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{ |
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var selector = new MemberSelector() { MemberName = "StringValue" }; |
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var data = new Item() |
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{ |
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StringValue = "Value1", |
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IntValue = 1 |
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}; |
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Assert.Same("Value1", selector.Select(data)); |
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selector.MemberName = "IntValue"; |
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Assert.Equal(1, selector.Select(data)); |
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} |
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[Fact] |
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public void Should_Support_Change_Of_Target_Value() |
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{ |
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var selector = new MemberSelector() { MemberName = "StringValue" }; |
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var data = new Item() |
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{ |
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StringValue = "Value1" |
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}; |
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Assert.Same("Value1", selector.Select(data)); |
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data.StringValue = "Value2"; |
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Assert.Same("Value2", selector.Select(data)); |
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} |
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private class Item |
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{ |
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public Item Child { get; set; } |
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public int IntValue { get; set; } |
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public string StringValue { get; set; } |
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} |
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} |
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} |
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