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NeverMorewdNeverMorewd
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avaloniaui ok
1 parent 1f2e472 commit 88abc18

27 files changed

Lines changed: 601 additions & 132 deletions

‎src/Lemon.ModuleNavigation.Avaloniaui/AssemblyInfo.cs‎

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@@ -2,4 +2,5 @@
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[assembly: XmlnsPrefix("https://github.com/NeverMorewd/Lemon.ModuleNavigation", "lm")]
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[assembly: XmlnsDefinition("https://github.com/NeverMorewd/Lemon.ModuleNavigation", "Lemon.ModuleNavigation")]
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[assembly: XmlnsDefinition("https://github.com/NeverMorewd/Lemon.ModuleNavigation", "Lemon.ModuleNavigation.Avaloniaui")]
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[assembly: XmlnsDefinition("https://github.com/NeverMorewd/Lemon.ModuleNavigation", "Lemon.ModuleNavigation.Avaloniaui")]
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[assembly: XmlnsDefinition("https://github.com/NeverMorewd/Lemon.ModuleNavigation", "Lemon.ModuleNavigation.Avaloniaui.Regions")]

‎src/Lemon.ModuleNavigation.Avaloniaui/Lemon.ModuleNavigation.Avaloniaui.csproj‎

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@@ -15,9 +15,13 @@
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<ItemGroup>
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<AvaloniaXaml Remove="bin\**" />
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<AvaloniaXaml Remove="RegionsOld\**" />
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<Compile Remove="bin\**" />
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<Compile Remove="RegionsOld\**" />
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<EmbeddedResource Remove="bin\**" />
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<EmbeddedResource Remove="RegionsOld\**" />
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<None Remove="bin\**" />
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<None Remove="RegionsOld\**" />
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</ItemGroup>
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<ItemGroup>

‎src/Lemon.ModuleNavigation.Avaloniaui/NavigationExtension.cs‎

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Original file line numberDiff line numberDiff line change
@@ -179,14 +179,6 @@ private static void UnloadModule(object? sender, RoutedEventArgs e)
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}
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}
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}
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else if (tabItem.DataContext is NavigationContext navigationContext)
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{
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if (tabContainer.DataContext is IServiceAware serviceAware)
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{
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var regionManager = serviceAware.ServiceProvider.GetRequiredService<IRegionManager>();
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regionManager.RequestUnload(navigationContext);
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}
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}
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}
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}
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}

‎src/Lemon.ModuleNavigation.Avaloniaui/Regions/ContentRegion.cs‎

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@@ -0,0 +1,117 @@
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using Avalonia.Controls;
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using Avalonia.Controls.Templates;
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using Avalonia.Data;
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using Avalonia.Markup.Xaml.Templates;
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using Lemon.ModuleNavigation.Abstractions;
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using System.ComponentModel;
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using System.Runtime.CompilerServices;
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namespace Lemon.ModuleNavigation.Avaloniaui.Regions;
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public class ContentRegion : Region, IContentRegionContext<IDataTemplate>
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{
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private readonly ContentControl _contentControl;
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public ContentRegion(string name, ContentControl contentControl) : base(name)
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{
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_contentControl = contentControl;
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SetBindingContentTemplate();
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SetBindingContent();
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}
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private object? _content;
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public object? Content
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{
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get => _content;
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set
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{
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_content = value;
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OnPropertyChanged();
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}
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}
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private IDataTemplate? _contentTemplate;
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public IDataTemplate? ContentTemplate
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{
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get => _contentTemplate;
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set
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{
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_contentTemplate = value;
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OnPropertyChanged();
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}
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}
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public event PropertyChangedEventHandler? PropertyChanged;
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/// <summary>
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/// When Views with same ViewName were found, the latest one will be picked.
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/// </summary>
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/// <param name="target"></param>
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public override void Activate(NavigationContext target)
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{
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if (ViewCache.TryGetValue(target, out IView? accurateView))
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{
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target.View = accurateView;
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Content = target;
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}
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else if (ViewNameCache.TryGetValue(target.ViewName, out IView? view)
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&& view.DataContext is INavigationAware navigationAware
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&& navigationAware.IsNavigationTarget(target))
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{
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var context = Contexts.First(c => c.ViewName == target.ViewName);
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context.View = view;
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Content = context;
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}
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else
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{
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Contexts.Add(target);
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Content = target;
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}
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}
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public override void DeActivate(string regionName)
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{
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if (Content is NavigationContext current)
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{
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if (current.ViewName == regionName)
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{
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Contexts.Remove(current);
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Content = null;
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}
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}
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}
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public override void DeActivate(NavigationContext navigationContext)
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{
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if (Content is NavigationContext current)
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{
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if (NavigationContext.ViewNameComparer.Equals(current, navigationContext))
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{
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Contexts.Remove(current);
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Content = null;
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}
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}
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}
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protected virtual void SetBindingContentTemplate()
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{
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ContentTemplate = RegionContentTemplate;
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_contentControl.Bind(ContentControl.ContentTemplateProperty,
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new Binding(nameof(ContentTemplate))
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{
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Source = this,
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Mode = BindingMode.TwoWay
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});
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}
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protected virtual void SetBindingContent()
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{
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_contentControl.Bind(ContentControl.ContentProperty,
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new Binding(nameof(Content))
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{
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Source = this,
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Mode = BindingMode.TwoWay
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});
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}
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protected void OnPropertyChanged([CallerMemberName] string? propertyName = null)
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{
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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}

‎src/Lemon.ModuleNavigation.Avaloniaui/Regions/ItemsRegion.cs‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,134 @@
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using Avalonia.Controls;
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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.Markup.Xaml.Templates;
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using Lemon.ModuleNavigation.Abstractions;
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using System.ComponentModel;
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using System.Runtime.CompilerServices;
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10+
namespace Lemon.ModuleNavigation.Avaloniaui.Regions;
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12+
public class ItemsRegion : Region, IItemsRegionDataContext<IDataTemplate>
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{
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private readonly ItemsControl _itemsControl;
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public ItemsRegion(string name, ItemsControl itemsControl) : base(name)
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{
17+
_itemsControl = itemsControl;
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SetBindingItemTemplate();
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SetBindingSelectedItem();
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SetBindingItemsSource();
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}
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private object? _selectItem;
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public object? SelectedItem
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{
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get
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{
27+
return _selectItem;
28+
}
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set
30+
{
31+
_selectItem = value;
32+
OnPropertyChanged();
33+
}
34+
}
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36+
private IDataTemplate? _itemsTemplate;
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public IDataTemplate? ItemTemplate
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{
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get => _itemsTemplate;
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set
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{
42+
_itemsTemplate = value;
43+
OnPropertyChanged();
44+
}
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}
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public event PropertyChangedEventHandler? PropertyChanged;
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48+
public override void ScrollIntoView(int index)
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{
50+
_itemsControl.ScrollIntoView(index);
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}
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public override void ScrollIntoView(NavigationContext item)
53+
{
54+
_itemsControl.ScrollIntoView(item);
55+
}
56+
57+
/// <summary>
58+
/// When Views with same ViewName were found, the earliest one will be picked.
59+
/// </summary>
60+
/// <param name="target"></param>
61+
public override void Activate(NavigationContext target)
62+
{
63+
try
64+
{
65+
if (ViewCache.TryGetValue(target, out IView? accurateView))
66+
{
67+
target.View = accurateView;
68+
SelectedItem = target;
69+
return;
70+
}
71+
var context = Contexts.FirstOrDefault(c => c.ViewName == target.ViewName);
72+
if (context is not null
73+
&& context.View is not null
74+
&& context.View.DataContext is INavigationAware navigationAware
75+
&& navigationAware.IsNavigationTarget(target))
76+
{
77+
SelectedItem = context;
78+
return;
79+
}
80+
Contexts.Add(target);
81+
SelectedItem = target;
82+
}
83+
finally
84+
{
85+
ScrollIntoView((SelectedItem as NavigationContext)!);
86+
}
87+
}
88+
public override void DeActivate(string viewName)
89+
{
90+
Contexts.Remove(Contexts.Last(c => c.ViewName == viewName));
91+
}
92+
public override void DeActivate(NavigationContext navigationContext)
93+
{
94+
Contexts.Remove(navigationContext);
95+
}
96+
public void Add(NavigationContext item)
97+
{
98+
Contexts.Add(item);
99+
}
100+
101+
protected virtual void SetBindingItemsSource()
102+
{
103+
_itemsControl.Bind(ItemsControl.ItemsSourceProperty,
104+
new Binding(nameof(Contexts))
105+
{
106+
Source = this
107+
});
108+
}
109+
protected virtual void SetBindingItemTemplate()
110+
{
111+
ItemTemplate = RegionContentTemplate;
112+
_itemsControl.Bind(ItemsControl.ItemTemplateProperty,
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new Binding(nameof(ItemTemplate))
114+
{
115+
Source = this
116+
});
117+
}
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protected virtual void SetBindingSelectedItem()
119+
{
120+
if (_itemsControl is SelectingItemsControl selector)
121+
{
122+
selector.Bind(SelectingItemsControl.SelectedItemProperty,
123+
new Binding(nameof(SelectedItem))
124+
{
125+
Source = this,
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Mode = BindingMode.TwoWay
127+
});
128+
}
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}
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protected void OnPropertyChanged([CallerMemberName] string? propertyName = null)
131+
{
132+
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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}

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