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Merge pull request #21 from IowaComputerGurus/feature/card-header-buttons
Fixes #20 by adding back the helper
2 parents 9e770d2 + 82cc2bb commit ad5a0af

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4 files changed

+163
-5
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4 files changed

+163
-5
lines changed

‎src/AspNetCore.Utilities.Bootstrap5TagHelpers.Sample/Views/Home/Index.cshtml

Lines changed: 4 additions & 4 deletions
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@@ -289,8 +289,8 @@
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<card>
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<card-header title="Testing All Options">
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<card-header-actions>
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<a href="https://www.google.com" class="btn btn-primary">Google</a>
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<a href="https://www.microsoft.com" class="btn btn-secondary">Microsoft</a>
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<a href="https://www.google.com" class="btn btn-sm btn-primary me-1">Google</a>
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<a href="https://www.microsoft.com" class="btn btn-sm btn-secondary">Microsoft</a>
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</card-header-actions>
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</card-header>
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<card-body>
@@ -306,8 +306,8 @@
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&lt;card&gt;
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&lt;card-header title=&quot;Testing All Options&quot;&gt;
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&lt;card-header-actions&gt;
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&lt;a href=&quot;https://www.google.com&quot; class=&quot;btn btn-primary&quot;&gt;Google&lt;/a&gt;
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&lt;a href=&quot;https://www.microsoft.com&quot; class=&quot;btn btn-secondary&quot;&gt;Microsoft&lt;/a&gt;
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&lt;a href=&quot;https://www.google.com&quot; class=&quot;btn btn-sm btn-primary me-1&quot;&gt;Google&lt;/a&gt;
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&lt;a href=&quot;https://www.microsoft.com&quot; class=&quot;btn btn-sm btn-secondary&quot;&gt;Microsoft&lt;/a&gt;
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&lt;/card-header-actions&gt;
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&lt;/card-header&gt;
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&lt;card-body&gt;

‎src/AspNetCore.Utilities.Bootstrap5TagHelpers.Tests/Card/CardHeaderActionsTagHelperTests.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,81 @@
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using ICG.AspNetCore.Utilities.Bootstrap5TagHelpers.Card;
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using ICG.AspNetCore.Utilities.Bootstrap5TagHelpers.Contexts;
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using Microsoft.AspNetCore.Razor.TagHelpers;
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namespace ICG.AspNetCore.Utilities.Bootstrap5TagHelpers.Tests.Card;
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public class CardHeaderActionsTagHelperTests : AbstractTagHelperTest
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{
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[Fact]
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public async Task Should_ThrowException_WhenMissingContext()
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{
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//Arrange
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var context = MakeTagHelperContext();
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var output = MakeTagHelperOutput(" ");
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//Act
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var helper = new CardHeaderActionsTagHelper();
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var exceptionResult = await Record.ExceptionAsync(() => helper.ProcessAsync(context, output));
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Assert.NotNull(exceptionResult);
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Assert.IsType<KeyNotFoundException>(exceptionResult);
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}
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[Fact]
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public async Task Should_ThrowException_WhenContextIsNull()
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{
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//Arrange
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var context = MakeTagHelperContext();
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context.Items.Add(typeof(CardContext), null);
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var output = MakeTagHelperOutput(" ");
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//Act
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var helper = new CardHeaderActionsTagHelper();
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var exceptionResult = await Record.ExceptionAsync(() => helper.ProcessAsync(context, output));
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Assert.NotNull(exceptionResult);
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Assert.IsType<ArgumentException>(exceptionResult);
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}
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[Theory]
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[InlineData("d-flex")]
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[InlineData("flex-nowrap")]
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[InlineData("mt-2")]
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[InlineData("mt-sm-0")]
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public async Task Should_Render_With_ClassAdded(string expectedClass)
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{
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//Arrange
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var context = MakeTagHelperContext();
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context.Items.Add(typeof(CardContext), new CardContext());
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var output = MakeTagHelperOutput(" ");
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//Act
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var helper = new CardHeaderActionsTagHelper();
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await helper.ProcessAsync(context, output);
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//Assert
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var classValue = output.Attributes["class"].Value;
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Assert.NotNull(classValue);
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var classString = classValue.ToString();
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Assert.True(classString?.Contains(expectedClass));
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}
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[Fact]
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public async Task Should_Render_With_ClassAdded_PreservingCustomClasses()
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{
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//Arrange
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var customClass = "testing-out";
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var expectedClass = $"{customClass} d-flex flex-nowrap mt-2 mt-sm-0";
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var existingAttributes = new TagHelperAttributeList(new List<TagHelperAttribute>
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{new("class", customClass)});
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var context = MakeTagHelperContext();
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context.Items.Add(typeof(CardContext), new CardContext());
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var output = MakeTagHelperOutput(" ", existingAttributes);
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//Act
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var helper = new CardHeaderActionsTagHelper();
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await helper.ProcessAsync(context, output);
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//Assert
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Assert.Equal(expectedClass, output.Attributes["class"].Value.ToString());
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}
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}

‎src/AspNetCore.Utilities.Bootstrap5TagHelpers/Card/CardHeaderActionsTagHelper.cs

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Original file line numberDiff line numberDiff line change
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using ICG.AspNetCore.Utilities.Bootstrap5TagHelpers.Contexts;
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using Microsoft.AspNetCore.Mvc.TagHelpers;
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using Microsoft.AspNetCore.Razor.TagHelpers;
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using System.Text.Encodings.Web;
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using System.Threading.Tasks;
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using System;
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namespace ICG.AspNetCore.Utilities.Bootstrap5TagHelpers.Card;
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/// <summary>
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/// Helper for rendering actions within the header of a card
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/// </summary>
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[RestrictChildren("button", "a")]
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public class CardHeaderActionsTagHelper : TagHelper
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{
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/// <summary>
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/// Renders the control
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/// </summary>
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/// <param name="context"></param>
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/// <param name="output"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentException"></exception>
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public override Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
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{
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//Get the context information
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var cardContext = context.Items[typeof(CardContext)] as CardContext;
27+
if (cardContext == null)
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throw new ArgumentException("CardContext is not specified in context parameter");
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return ProcessAsyncInternal(output);
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}
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/// <summary>
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/// Internal implementation
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/// </summary>
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/// <param name="output"></param>
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/// <returns></returns>
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private static async Task ProcessAsyncInternal(TagHelperOutput output)
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{
40+
output.TagName = "div";
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output.AddClass("d-flex", HtmlEncoder.Default);
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output.AddClass("flex-nowrap", HtmlEncoder.Default);
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output.AddClass("mt-2", HtmlEncoder.Default);
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output.AddClass("mt-sm-0", HtmlEncoder.Default);
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var content = (await output.GetChildContentAsync()).GetContent();
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output.Content.AppendHtml(content);
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}
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}

‎src/AspNetCore.Utilities.Bootstrap5TagHelpers/Card/CardHeaderTagHelper.cs

Lines changed: 28 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,11 @@
11
using ICG.AspNetCore.Utilities.Bootstrap5TagHelpers.Contexts;
2+
using Microsoft.AspNetCore.Components.Web;
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using Microsoft.AspNetCore.Mvc.Rendering;
34
using Microsoft.AspNetCore.Mvc.TagHelpers;
45
using Microsoft.AspNetCore.Razor.TagHelpers;
56
using System;
67
using System.Text.Encodings.Web;
8+
using System.Threading.Tasks;
79

810
namespace ICG.AspNetCore.Utilities.Bootstrap5TagHelpers.Card
911
{
@@ -18,23 +20,42 @@ public class CardHeaderTagHelper : TagHelper
1820
/// </summary>
1921
public string Title { get; set; }
2022

23+
2124
/// <summary>
2225
/// Renders the header for a bootstrap card
2326
/// </summary>
2427
/// <param name="context"></param>
2528
/// <param name="output"></param>
2629
/// <returns></returns>
2730
/// <exception cref="ArgumentException"></exception>
28-
public override void Process(TagHelperContext context, TagHelperOutput output)
31+
public override Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
2932
{
3033
//Get the context information
3134
if (context.Items[typeof(CardContext)] is not CardContext cardContext)
3235
throw new ArgumentException("CardContext is not specified in context parameter");
3336

37+
return ProcessAsyncInternal(output, cardContext);
38+
}
39+
40+
private async Task ProcessAsyncInternal(TagHelperOutput output, CardContext cardContext)
41+
{
3442
//Setup basic tag information
3543
output.TagName = "div";
3644
output.AddClass("card-header", HtmlEncoder.Default);
3745

46+
//Get sub controls if we need them
47+
var body = (await output.GetChildContentAsync()).GetContent();
48+
body = body.Trim();
49+
50+
if (!string.IsNullOrWhiteSpace(body))
51+
{
52+
output.AddClass("d-flex", HtmlEncoder.Default);
53+
output.AddClass("flex-column", HtmlEncoder.Default);
54+
output.AddClass("flex-sm-row", HtmlEncoder.Default);
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output.AddClass("align-items-sm-center", HtmlEncoder.Default);
56+
output.AddClass("justify-content-between", HtmlEncoder.Default);
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}
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//If we have an id make a custom span
3960
if (!string.IsNullOrEmpty(cardContext.Id))
4061
{
@@ -47,6 +68,12 @@ public override void Process(TagHelperContext context, TagHelperOutput output)
4768
{
4869
output.Content.AppendHtml(Title);
4970
}
71+
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//Add sub-content after our title
74+
if (!string.IsNullOrEmpty(body))
75+
output.Content.AppendHtml(body);
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5077
}
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}
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}

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