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output.Content.SetHtmlContent(
    $"<img src=\"images/{handContext.Player}.png\" alt=\"avatar\" class=\"center-block\" /><div class=\"text-center\"><h2 class=\"{suitAttributes.colorClass}\"><strong>{suitAttributes.characterCode}</strong></h2><p>{Rank}</p></div>");

scottaddie

// Fetch the context, so that we can get the player name to display the appropriate image
var handContext = (HandContext)context.Items[typeof(HandTagHelper)];
var playerName = handContext.Player;

scottaddie

public class HandContext
{
    public string Player { get; set; }
}

[HtmlTargetElement(Constants.HAND_TAG_HELPER_ELEMENT_NAME, Attributes = nameof(Player), TagStructure = TagStructure.NormalOrSelfClosing)]
[RestrictChildren(Constants.CARD_TAG_HELPER_ELEMENT_NAME)]
public class HandTagHelper : TagHelper
{
    public string Player { get; set; }

scottaddie

<hand>
  <card suit="Spade" rank="Queen"></card> <!-- TagHelper -->
  <card rank="Queen"></card> <!-- Not a TagHelper -->
  <card suit="Spade"></card> <!-- Not a TagHelper -->
</hand>

scottaddie

[HtmlTargetElement("card", ParentTag = "hand", Attributes = nameof(Suit) + "," + nameof(Rank), TagStructure = TagStructure.NormalOrSelfClosing)]
public class CardTagHelper : TagHelper
{
    public string Rank { get; set; }
    public string Suit { get; set; }
}

scottaddie

<hand>
  <card suit="Diamond"></card> <!-- TagHelper -->
  <card rank="Four"></card> <!-- TagHelper -->
  <card></card> <!-- Not a TagHelper -->
</hand>

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[HtmlTargetElement("card", ParentTag = "hand", Attributes = nameof(Suit), TagStructure = TagStructure.NormalOrSelfClosing)]
[HtmlTargetElement("card", ParentTag = "hand", Attributes = nameof(Rank), TagStructure = TagStructure.NormalOrSelfClosing)]
public class CardTagHelper : TagHelper
{
    public string Rank { get; set; }
    public string Suit { get; set; }
}

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@using static TagHelpersDemo.TagHelpers.CardTagHelper

@{
    ViewData["Title"] = "Home Page";
}

<div class="clearfix">&nbsp;</div>

<hand player="John">
    <card suit="@CardSuit.Heart" rank="@CardRank.Ace"></card>

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<PropertyGroup>
    <IsLocalDev>true</IsLocalDev>
</PropertyGroup>
<Target Name="BeforeBuild" Condition="$(IsLocalDev) == true">
    <Exec Command="CodeFormatter $(MSBuildProjectFile) /rule+:BraceNewLine,UsingLocation,FormatDocument,NewLineAbove /rule-:Copyright,CustomCopyright,UnicodeLiterals,ExplicitVisibility,IllegalHeaders,ExplicitThis,ReadonlyFields,FieldNames /verbose"
          ContinueOnError="false" />
</Target>

scottaddie

<Target Name="BeforeBuild">
  <Exec Command="CodeFormatter $(MSBuildProjectFile) /rule+:BraceNewLine,UsingLocation,FormatDocument,NewLineAbove /rule-:Copyright,CustomCopyright,UnicodeLiterals,ExplicitVisibility,IllegalHeaders,ExplicitThis,ReadonlyFields,FieldNames /verbose"
        ContinueOnError="false" />
</Target>