Add shortcodes for tabs

daprdocs/layouts/shortcodes/codetab.html

@@ -0,0 +1,21 @@
+{{- $index := .Ordinal -}}
+<!-- Make sure that we are enclosed within a tabs shortcode block -->
+{{- if ne .Parent.Name "tabs" -}}
+{{- errorf "codetab must be used within a tabs block" -}}
+{{- end -}}
+
+<!-- Generate the unique ID based on the enclosing tabs .Ordinal -->
+{{- $guid := printf "tabs-%d" .Parent.Ordinal -}}
+<!-- Trim any leading and trailing newlines from .Inner, this avoids
+     spurious lines during syntax highlighting -->
+
+{{- $entry := .Parent.Get $index -}}
+{{- $entry := lower $entry -}}
+
+{{- $tabid := printf "%s-%s-tab" $guid $entry | anchorize -}}
+{{- $entryid := printf "%s-%s" $guid $entry | anchorize -}}
+
+<div class="tab-pane fade{{ if eq $index 0 }} show active{{ end }}" id="{{ $entryid }}" role="tabpanel" aria-labelled-by="{{ $tabid }}">
+<br />
+     {{- .Inner -}}
+</div>

daprdocs/layouts/shortcodes/tabs.html

@@ -0,0 +1,27 @@
+<!-- Unique ID for the tabs within the page -->
+{{- $guid := printf "tabs-%d" .Ordinal -}}
+<!-- Scratchpad register to specially handle the first element in the list -->
+{{- .Scratch.Set "first" true -}}
+
+<ul class="nav nav-tabs" id="{{- $guid -}}" role="tablist">
+{{- range .Params -}}
+<li class="nav-item">
+  {{- $entry := lower . -}}
+  <!-- Generate the IDs for the <a> and the <div> elements -->
+  {{- $tabid := printf "%s-%s-tab" $guid $entry | anchorize -}}
+  {{- $entryid := printf "%s-%s" $guid $entry | anchorize -}}
+  <a class="nav-link{{ if eq ($.Scratch.Get "first") true }} active{{ end }}"
+    id="{{ $tabid }}" data-toggle="tab" href="#{{ $entryid }}" role="tab"
+    aria-controls="{{ $entryid }}" aria-selected="{{ $.Scratch.Get "first" }}">
+    {{ . }}
+  </a>
+  <!-- Reset the scratchpad register, since we're done with the first parameter -->
+  {{- if eq ($.Scratch.Get "first") true -}}{{- $.Scratch.Set "first" false -}}{{- end -}}
+</li>
+{{- end -}}
+</ul>
+
+<!-- Inner content - generated by codetab shortcode -->
+<div class="tab-content" id="{{- $guid -}}-content">
+{{ .Inner }}
+</div>