Sources/Elements/New-OptgroupElement.cs

namespace Belin.Html.Elements;
 
/// <summary>
/// Creates a new <c>optgroup</c> element.
/// </summary>
[Cmdlet(VerbsCommon.New, "HtmlOptgroupElement"), Alias("optgroup"), OutputType(typeof(string))]
public class NewOptgroupElementCommand(): NewElementCommand("optgroup", isVoid: false) {
 
    /// <summary>
    /// Value indicating whether none of the items in the option group is selectable.
    /// </summary>
    [Parameter]
    public SwitchParameter Disabled { get; set; }
 
    /// <summary>
    /// The name of the group of options.
    /// </summary>
    [Parameter]
    public required string Label { get; set; }
 
    /// <summary>
    /// Populates the specified attribute collection with the element attributes.
    /// </summary>
    /// <param name="attributes">The attribute collection to populate.</param>
    protected override void RenderAttributes(IDictionary<string, object?> attributes) {
        base.RenderAttributes(attributes);
        attributes["label"] = Label;
        if (Disabled) attributes["disabled"] = true;
    }
}