43 lines
1.9 KiB
C#
43 lines
1.9 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using HtmlGenerationWebSite.Models;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
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namespace HtmlGenerationWebSite.Components
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{
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public class CheckViewData___LackModel : ViewComponent
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{
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public IViewComponentResult Invoke()
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{
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var metadata = ViewData.ModelMetadata;
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var writer = ViewContext.Writer;
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writer.WriteLine("<h5>Check View Data - LackModel view component</h5>");
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writer.WriteLine($"<div class=\"col-md-3\">MetadataKind: '{ metadata.MetadataKind }'</div>");
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writer.WriteLine($"<div class=\"col-md-3\">ModelType: '{ metadata.ModelType.Name }'</div>");
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if (metadata.MetadataKind == ModelMetadataKind.Property)
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{
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writer.WriteLine($"<div class=\"col-md-3\">PropertyName: '{ metadata.PropertyName }'</div>");
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}
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// Confirm view component is able to set the model to anything.
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ViewData.Model = 78.9;
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// Expected metadata is for typeof(object).
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metadata = ViewData.ModelMetadata;
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writer.WriteLine("<h5>Check View Data - LackModel view component after setting Model to 78.9</h5>");
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writer.WriteLine($"<div class=\"col-md-3\">MetadataKind: '{ metadata.MetadataKind }'</div>");
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writer.WriteLine($"<div class=\"col-md-3\">ModelType: '{ metadata.ModelType.Name }'</div>");
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if (metadata.MetadataKind == ModelMetadataKind.Property)
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{
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writer.WriteLine($"<div class=\"col-md-3\">PropertyName: '{ metadata.PropertyName }'</div>");
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}
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TemplateModel templateModel = new SuperTemplateModel();
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return View(templateModel);
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}
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}
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}
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