protected override void OnStart(System.IO.TextWriter writer) { // Add the outer group _buttonGroup = GetHelper().ButtonGroup().Component; if (Dropup) { _buttonGroup.AddCss(Css.Dropup); } _buttonGroup.Start(writer); // Add the action button if split and copy over button CSS classes // Also move the icon to the button (if one is present) // But only create the split if we actually have some text to put in it if (Split && !string.IsNullOrWhiteSpace(TextContent)) { Button button = GetHelper().Button(TextContent).Component; MoveIcons(button); TextContent = null; foreach (string cssClass in CssClasses) { button.CssClasses.Add(cssClass); } button.MergeAttributes(Attributes.Dictionary); Attributes.Dictionary.Clear(); button.StartAndFinish(writer); } // Create the dropdown button, copy over CSS, add the text and caret, then render Button dropdown = GetHelper().Button(buttonType: ButtonType.Button).Component; MoveIcons(dropdown); dropdown.AddCss(Css.Btn, Css.BtnDefault, Css.DropdownToggle); dropdown.MergeAttribute("data-toggle", "dropdown"); foreach (string cssClass in CssClasses) { dropdown.CssClasses.Add(cssClass); } dropdown.MergeAttributes(Attributes.Dictionary); Attributes.Dictionary.Clear(); CssClasses.Clear(); if (!string.IsNullOrWhiteSpace(TextContent)) { dropdown.AddChild(GetHelper().Content(TextContent + " ")); } else { Element element = GetHelper().Element("span").AddCss(Css.SrOnly).Component; element.AddChild(GetHelper().Content("Toggle Dropdown")); dropdown.AddChild(element); } dropdown.AddChild(GetHelper().Caret()); TextContent = null; dropdown.StartAndFinish(writer); // Add CSS and attributes after we've copied all the user-specified stuff to the buttons MergeAttribute("role", "menu"); AddCss(Css.DropdownMenu); base.OnStart(writer); }
protected override void OnStart(TextWriter writer) { // Fix for justified buttons in a group (need to surround them with an extra button group) // See https://github.com/twbs/bootstrap/issues/12476 ButtonGroup buttonGroup = GetComponent <ButtonGroup>(true); if (buttonGroup != null && buttonGroup.CssClasses.Contains(Css.BtnGroupJustified)) { _buttonGroup = GetHelper().ButtonGroup().Component; _buttonGroup.Start(writer); } base.OnStart(writer); }