protected override void BootstrapProcess(TagHelperContext context, TagHelperOutput output)
{
output.TagName = "button";
output.AddCssClass("close");
output.MergeAttribute("type", "button");
output.AddAriaAttribute("label", Text);
output.Content.SetHtmlContent("<span aria-hidden=\"true\">×</span>");
output.TagMode = TagMode.StartTagAndEndTag;
}
protected override void BootstrapProcess(TagHelperContext context, TagHelperOutput output)
{
output.AddCssClass("btn");
output.AddCssClass("btn-" + (Context ?? ButtonContext.Default).ToString().ToLower());
if (context.HasContextItem <InputGroupTagHelper>())
{
this.Size = BootstrapTagHelpers.Size.Default;
if (!context.HasContextItem <AddonTagHelper>())
{
output.PreElement.PrependHtml("<span class=\"input-group-btn\">");
output.PostElement.AppendHtml("</span>");
}
}
if (WrapInButtonGroup ||
!output.TagName.Equals("a", StringComparison.CurrentCultureIgnoreCase) && ButtonGroupJustified)
{
if (Size.HasValue && Size.Value != BootstrapTagHelpers.Size.Default)
{
output.PreElement.SetHtmlContent(
$"<div class=\"btn-group btn-group-{Size.Value.GetDescription()}\" role=\"group\">");
}
else
{
output.PreElement.SetHtmlContent(
$"<div class=\"btn-group\" role=\"group\">");
}
output.PostElement.SetHtmlContent("</div>");
}
else if (Size.HasValue && Size.Value != BootstrapTagHelpers.Size.Default)
{
output.AddCssClass("btn-" + Size.Value.GetDescription());
}
if (BlockStyle)
{
output.AddCssClass("btn-block");
}
if (Pressed)
{
output.AddAriaAttribute("pressed", "true");
output.AddCssClass("active");
}
if (Disabled)
{
if (output.TagName == "a")
{
output.AddCssClass("disabled");
if (context.AllAttributes.ContainsName("href"))
{
output.Attributes.RemoveAll("href");
output.Attributes.Add("data-href", context.AllAttributes["href"].Value);
}
}
output.MergeAttribute("role", "button");
}
}
protected override void RenderProcess(TagHelperContext context, TagHelperOutput output)
{
output.AddCssClass("btn");
// Role
if (output.TagName == "a")
{
output.MergeAttribute("role", "button");
}
// Color
if (this.Color != Color.None)
{
output.AddCssClass(this.IsOutline ? $"btn-outline-{this.Color.GetColorInfo().Name}" : $"btn-{this.Color.GetColorInfo().Name}");
}
// Size
if (this.Size != Size.Default)
{
output.AddCssClass($"btn-{this.Size.GetEnumInfo().Name}");
}
// Block
if (this.IsBlock)
{
output.AddCssClass("btn-block");
}
// Active
if (this.IsActive)
{
output.AddCssClass("active");
}
// Disable
if (this.IsDisabled)
{
if (output.TagName == "a")
{
output.AddCssClass("disabled");
output.AddAriaAttribute("disabled", "true");
}
else
{
output.MergeAttribute("disabled", "disabled");
}
}
}