private void RenderAssets(IControlOutputContext context, RendererTagAttributes attributes)
{
var assetPaths = this.ResolveAssetPaths(context);
var currentHttpContext = context.GetHttpContext();
var optimizationScope = currentHttpContext.RequestServices.GetRequiredService <IOptimizationScope>();
var optimizationContext = optimizationScope.AddOrGetContext(this.OptimizationContextName);
foreach (var assetPath in assetPaths)
{
optimizationContext.AddAsset(assetPath);
}
}
protected override async Task ProcessAsync(IControlOutputContext context)
{
if (string.IsNullOrWhiteSpace(this.Name))
{
this.Name = Options.DefaultName;
}
RendererTagAttributes rendererAttributes = new RendererTagAttributes(
this.TagHelperContext.AllAttributes.Where(attr => 0 != string.Compare(attr.Name, nameof(this.Name), StringComparison.OrdinalIgnoreCase))
);
var controlRenderer = this.RendererFactory.GetRenderer(this.Name);
await controlRenderer.RenderAsync(context, rendererAttributes);
}
public virtual void Render(IControlOutputContext context, RendererTagAttributes attributes)
{
this.RendererControl = context.Control as RendererTagHelper;
if (null == context.Parent)
{
if (1 != context.Children.Count)
{
throw new Exception();
}
context.Output.TagName = string.Empty;
this.RenderRootControl(context.Children[0]);
context.Children[0].Output.Content.MoveTo(context.Output.Content);
this.RenderAssets(context, attributes);
}
}
public virtual async Task RenderAsync(IControlOutputContext context, RendererTagAttributes attributes)
{
this.RendererControl = context.Control as RendererTagHelper;
if (null == context.Parent)
{
if (1 != context.Children.Count)
{
throw new Exception();
}
context.Output.TagName = string.Empty;
this.RenderRootControl((TControl)context.Children[0].Control, context.Children[0]);
context.Children[0].Output.PreContent.MoveTo(context.Output.PreContent);
context.Children[0].Output.Content.MoveTo(context.Output.Content);
context.Children[0].Output.PostContent.MoveTo(context.Output.PostContent);
await this.RenderAssetsAsync(context);
}
}
public virtual void Render(IControlOutputContext context, RendererTagAttributes attributes)
{
Task renderTask = this.RenderAsync(context, attributes);
renderTask.GetAwaiter().GetResult();
}
protected virtual async Task RenderAssetAsync(IOptimizationResultTagBuilder optimizationResultTagBuilder, RendererTagAttributes attributes, Asset asset, string extension, IHtmlContentBuilder htmlContentBuilder)
{
TagBuilderOptions options = new TagBuilderOptions(extension, OptimizationTagOutput.Tag);
await optimizationResultTagBuilder.PopulateHtmlTagAsync(options, attributes, asset, htmlContentBuilder);
}
public virtual async Task RenderAsync(IControlOutputContext context, RendererTagAttributes attributes)
{
await Task.CompletedTask;
this.Render(context, attributes);
}
public void Render(IControlOutputContext context, RendererTagAttributes attributes)
{
context.Output.SuppressOutput();
}
public Task RenderAsync(IControlOutputContext context, RendererTagAttributes attributes)
{
this.Render(context, attributes);
return(Task.CompletedTask);
}