public override void Init(TagHelperContext context)
{
base.Init(context);
if (context.HasContextItem <ButtonGroupTagHelper>())
{
var buttonGroupContext = context.GetContextItem <ButtonGroupTagHelper>();
this.Size = buttonGroupContext.Size;
if (!this.Context.HasValue)
{
this.Context = buttonGroupContext.Context;
}
if (buttonGroupContext.Vertical && this.Splitted)
{
throw new Exception("Splitted dropdowns are not supported inside vertical button groups");
}
}
else if (context.HasContextItem <ButtonToolbarTagHelper>())
{
var buttonToolbarContext = context.GetContextItem <ButtonToolbarTagHelper>();
if (!this.Context.HasValue)
{
this.Context = buttonToolbarContext.Context;
}
if (!this.Size.HasValue)
{
this.Size = buttonToolbarContext.Size;
}
}
}
public override void Init(TagHelperContext context)
{
base.Init(context);
if (context.HasContextItem <ButtonGroupTagHelper>())
{
var buttonGroupContext = context.GetContextItem <ButtonGroupTagHelper>();
this.Button = true;
this.ButtonGroupJustified = buttonGroupContext.Justified;
this.Size = this.ButtonGroupJustified ? buttonGroupContext.Size : BootstrapTagHelpers.Size.Default;
if (!this.Context.HasValue)
{
this.Context = buttonGroupContext.Context;
}
}
else if (context.HasContextItem <ButtonToolbarTagHelper>())
{
var buttonToolbarContext = context.GetContextItem <ButtonToolbarTagHelper>();
this.Button = true;
this.WrapInButtonGroup = true;
if (!this.Context.HasValue)
{
this.Context = buttonToolbarContext.Context;
}
if (!this.Size.HasValue)
{
this.Size = buttonToolbarContext.Size;
}
}
}
protected override void RenderProcess(TagHelperContext context, TagHelperOutput output)
{
output.TagName = "a";
output.AddCssClass(!context.HasContextItem <NavbarDropdownTagHelper>() ? "nav-link" : "dropdown-item");
// Disabled
if (this.IsDisabled)
{
output.AddCssClass("disabled");
}
// Active
if (this.Active && context.HasContextItem <NavbarDropdownTagHelper>())
{
output.AddCssClass("active");
output.PostContent.AppendHtml($"<span class=\"sr-only\">({Resources.Navbar_Current})</span>");
}
else if (this.Active && !context.HasContextItem <NavbarDropdownTagHelper>())
{
output.PostContent.AppendHtml($"<span class=\"sr-only\">({Resources.Navbar_Current})</span>");
output.WrapHtmlOutside($"<li class=\"nav-item active\">", "</li>");
}
else if (!context.HasContextItem <NavbarDropdownTagHelper>())
{
output.WrapHtmlOutside($"<li class=\"nav-item\">", "</li>");
}
}
protected override void BootstrapProcess(TagHelperContext context, TagHelperOutput output)
{
output.Attributes.Add("role", "group");
if (context.HasContextItem <InputGroupTagHelper>())
{
Size = BootstrapTagHelpers.Size.Default;
if (!context.HasContextItem <AddonTagHelper>())
{
output.TagName = "span";
output.AddCssClass("input-group-btn");
}
context.RemoveContextItem <InputGroupTagHelper>();
}
else
{
output.TagName = "div";
if (this.Vertical)
{
output.AddCssClass("btn-group-vertical");
}
else
{
output.AddCssClass("btn-group");
}
if (this.Size.HasValue)
{
output.AddCssClass("btn-group-" + this.Size.Value.GetDescription());
}
if (this.Justified)
{
output.AddCssClass("btn-group-justified");
}
}
}
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");
}
}
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (context.HasContextItem <ListGroupTagHelper>())
{
base.Process(context, output);
}
}
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (context.HasContextItem <ModalHeaderTagHelper>())
{
base.Process(context, output);
}
}
public override void Init(TagHelperContext context)
{
base.Init(context);
this.IsInLabel = context.HasContextItem <LabelTagHelper>();
Size = Size ?? FormContext?.ControlSize;
if (FormGroupContext != null)
{
FormGroupContext.HasLabel = FormGroupContext.HasLabel || !string.IsNullOrEmpty(Label);
}
}
protected override void BootstrapProcess(TagHelperContext context, TagHelperOutput output)
{
if (context.HasContextItem <MediaListTagHelper>())
{
output.TagName = "li";
context.RemoveContextItem <MediaListTagHelper>();
}
else
{
output.TagName = "div";
}
output.AddCssClass("media");
}
private void ProcessCheckControl(TagHelperContext context, TagHelperOutput output)
{
if (this.InputGroupContext != null)
{
output.PreElement.Append(this.Label);
if (!context.HasContextItem <AddonTagHelper>())
{
output.PreElement.AppendHtml("<span class=\"input-group-addon\">");
output.PostElement.PrependHtml("</span>");
}
}
else if (this.IsInLabel)
{
output.PostElement.Append(this.Label);
}
else
{
LabelTagHelper.WrapInLabel(output, this.Label, null, this.FormContext);
}
if (!string.IsNullOrEmpty(HelpText))
{
if (InputGroupContext != null)
{
InputGroupContext.Output.PostElement.AppendHtml(HelpBlockTagHelper.GenerateHelpBlock(HelpText));
}
else
{
output.PostElement.AppendHtml(HelpBlockTagHelper.GenerateHelpBlock(HelpText));
}
}
if (!IsInLabel)
{
output.PreElement.PrependHtml(
FormContext?.Inline ?? false
? $"<div class=\"{Type.ToLower()}-inline\">"
: $"<div class=\"{Type.ToLower()}\">");
output.PostElement.AppendHtml("</div>");
if (FormGroupContext != null)
{
FormGroupContext.WrapInDivForHorizontalForm(output, false);
}
else if (FormContext != null)
{
FormContext.WrapInDivForHorizontalForm(output, false);
}
}
}
public override void Init(TagHelperContext context)
{
base.Init(context);
if (this.TabsContext.ActiveIndex == this.TabsContext.CurrentIndex)
{
this.Active = true;
}
if (context.HasContextItem <TabsPaneGroupTagHelper>())
{
var paneGroupContext = context.GetContextItem <TabsPaneGroupTagHelper>();
paneGroupContext.Panes.Add(this);
if (this.Active)
{
paneGroupContext.Active = true;
}
}
else
{
this.TabsContext.Panes.Add(this);
}
this.DataToggleTarget = this.TabsContext.Pills ? "pill" : "tab";
}
/// <summary>
/// Determines whether the tag helper context [has context item] of the specified type.
/// </summary>
/// <typeparam name="T">The type of the context item.</typeparam>
/// <param name="context">The tag helper context.</param>
/// <param name="useInherited">if set to <c>true</c> [use inherited].</param>
/// <returns>
/// <c>true</c> if [has context item] [the specified context]; otherwise, <c>false</c>.
/// </returns>
public static bool HasContextItem <T>(this TagHelperContext context, bool useInherited)
{
return(context.HasContextItem(typeof(T), useInherited));
}
protected override void BootstrapProcess(TagHelperContext context, TagHelperOutput output)
{
var hasNavContext = context.HasContextItem <NavPillsTagHelper>() || context.HasContextItem <NavTabsTagHelper>() || context.HasContextItem <NavbarTagHelper>();
if (hasNavContext)
{
output.TagName = "li";
output.Attributes.Add("role", "presentation");
Context = null;
Splitted = false;
}
else
{
output.TagName = "div";
output.AddCssClass("btn-group");
if (Size.HasValue && Size != BootstrapTagHelpers.Size.Default)
{
output.AddCssClass("btn-group-" + Size.Value.GetDescription());
}
}
if (context.HasContextItem <InputGroupTagHelper>())
{
this.Size = BootstrapTagHelpers.Size.Default;
if (!context.HasContextItem <AddonTagHelper>())
{
output.TagName = "span";
output.AddCssClass("input-group-btn");
}
}
if (Dropup)
{
output.AddCssClass("dropup");
}
var buttonBuilder = new TagBuilder(Href == null && !hasNavContext ? "button" : "a");
buttonBuilder.InnerHtml.AppendHtml(Text);
if (!hasNavContext)
{
buttonBuilder.AddCssClass("btn");
buttonBuilder.AddCssClass("btn-" + (Context ?? ButtonContext.Default).ToString().ToLower());
if (Href == null)
{
buttonBuilder.Attributes.Add("type", "button");
}
if (ButtonId != null)
{
buttonBuilder.Attributes.Add("id", ButtonId);
}
else
{
buttonBuilder.Attributes.Add("href", Href);
if (!Splitted)
{
buttonBuilder.Attributes.Add("role", "button");
}
}
}
else
{
buttonBuilder.Attributes.Add("href", Href);
}
if (Splitted)
{
output.PreContent.AppendHtml(buttonBuilder);
buttonBuilder = new TagBuilder("button")
{
Attributes =
{
{ "type", "button" },
{ "class", "btn btn-" + (Context ?? ButtonContext.Default).ToString().ToLower() }
}
};
}
else
{
buttonBuilder.InnerHtml.AppendHtml(" ");
}
buttonBuilder.AddCssClass("dropdown-toggle");
buttonBuilder.Attributes.Add("data-toggle", "dropdown");
buttonBuilder.Attributes.Add("aria-haspopup", "true");
buttonBuilder.Attributes.Add("aria-expanded", "false");
buttonBuilder.InnerHtml.AppendHtml("<span class=\"caret\">");
output.PreContent.AppendHtml(buttonBuilder);
output.PreContent.AppendHtml(
RightAligned
? "<ul class=\"dropdown-menu dropdown-menu-right\">"
: "<ul class=\"dropdown-menu\">");
output.PostContent.AppendHtml("</ul>");
}