TheXamlGuy
37 lines
1.4 KiB
C#
37 lines
1.4 KiB
C#
using Microsoft.Extensions.DependencyInjection;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Markup;
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namespace Hyperbar.UI.Windows;
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public class ViewModelTemplateSelector :
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DataTemplateSelector,
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IViewModelTemplateSelector
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{
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protected override DataTemplate SelectTemplateCore(object item)
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{
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return item is IObservableViewModel observableViewModel && observableViewModel.ServiceProvider.GetService<IViewModelTemplateProvider>()
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is IViewModelTemplateProvider viewModelTemplateProvider
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? viewModelTemplateProvider.Get(item.GetType().Name) is IViewModelTemplate viewModelTemplate
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? CreateDataTemplate(viewModelTemplate)
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: new DataTemplate()
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: new DataTemplate();
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}
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protected override DataTemplate SelectTemplateCore(object item,
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DependencyObject container) =>
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SelectTemplateCore(item);
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private static DataTemplate CreateDataTemplate(IViewModelTemplate template)
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{
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string xamlString = @$"
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<DataTemplate xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
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xmlns:ui=""using:{template.ViewType.Namespace}"">
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<ui:{template.ViewType.Name} />
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</DataTemplate>";
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return (DataTemplate)XamlReader.Load(xamlString);
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}
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}
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