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Merged
merged 1 commit into from
Feb 17, 2025
Merged

Added support for Alerts Headers #44 #47

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38 changes: 23 additions & 15 deletions src/AspNetCore.Utilities.Bootstrap5TagHelpers.Sample/Views/Home/Index.cshtml
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Original file line number Diff line number Diff line change
Expand Up @@ -73,21 +73,29 @@
</code>
</td>
</tr>
<tr>
<th>Warning Dismissible</th>
<td>
<alert alert-color="Warning" dismissible="true">
This is a dismissible warning alert!
</alert>
</td>
<td>
<code>
&lt;alert alert-color=&quot;Warning&quot; dismissible=&quot;false&quot;&gt;
This is a dismissible warning alert!
&lt;/alert&gt;
</code>
</td>
</tr>
<tr>
<th>Warning Dismissible</th>
<td>
<alert alert-color="Warning" dismissible="true">
This is a dismissible warning alert!
</alert>
</td>
<td>
<code>
&lt;alert alert-color=&quot;Warning&quot; dismissible=&quot;false&quot;&gt;
This is a dismissible warning alert!
&lt;/alert&gt;
</code>
</td>
</tr>
<tr>
<th>Alert With Header</th>
<td>
<alert alert-color="Info" heading-text="This is a Header">
Look at me! I have a header!
</alert>
</td>
</tr>
</tbody>
</table>

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18 changes: 17 additions & 1 deletion src/AspNetCore.Utilities.Bootstrap5TagHelpers/AlertTagHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,11 @@ public class AlertTagHelper : TagHelper
/// </summary>
public bool Dismissible { get; set; } = false;

/// <summary>
/// If supplied this will render as a heading inside the alert.
/// </summary>
public string? HeadingText { get; set; }

/// <summary>
/// Processes the tag helper
/// </summary>
Expand All @@ -50,10 +55,21 @@ public override async Task ProcessAsync(TagHelperContext context, TagHelperOutpu
output.AddClass("fade", HtmlEncoder.Default);
output.AddClass("show", HtmlEncoder.Default);
}

output.Attributes.Add("role", "alert");

if (!string.IsNullOrEmpty(HeadingText))
{
var headingBuilder = new TagBuilder("h4");
headingBuilder.AddCssClass("alert-heading");
headingBuilder.InnerHtml.Append(HeadingText);
output.PreContent.AppendHtml(headingBuilder);
}

if (!Dismissible)
{
return;
}

var buttonBuilder = new TagBuilder("button");
buttonBuilder.Attributes.Add("type", "button");
Expand All @@ -62,7 +78,7 @@ public override async Task ProcessAsync(TagHelperContext context, TagHelperOutpu
buttonBuilder.Attributes.Add("aria-label", "Close");

//Get existing content
var existing = await output.GetChildContentAsync();
TagHelperContent existing = await output.GetChildContentAsync();
output.Content.AppendHtml(existing.GetContent());
output.Content.AppendHtml(buttonBuilder);
}
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