Added ability to set slide/section "data-*" attributes (#1861)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
jupyter · Sep 12, 2022 · e618f91 · e618f91
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commit e618f91
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Showing 2 changed files with 13 additions and 3 deletions.
diff --git a/share/templates/reveal/base.html.j2 b/share/templates/reveal/base.html.j2
@@ -1,14 +1,15 @@
 {%- extends 'lab/base.html.j2' -%}
+{% from 'cellslidedata.j2' import cellslidedata %}
 
 {%- block any_cell scoped -%}
 {%- if cell.metadata.get('slide_start', False) -%}
-<section>
+<section {{ cellslidedata(cell) }}>
 {%- endif -%}
 {%- if cell.metadata.get('subslide_start', False) -%}
-<section>
+<section {{ cellslidedata(cell) }}>
 {%- endif -%}
 {%- if cell.metadata.get('fragment_start', False) -%}
-<div class="fragment">
+<div class="fragment" {{ cellslidedata(cell) }}>
 {%- endif -%}
 
 {%- if cell.metadata.slide_type == 'notes' -%}

diff --git a/share/templates/reveal/cellslidedata.j2 b/share/templates/reveal/cellslidedata.j2
@@ -0,0 +1,9 @@
+{%- macro cellslidedata(cell) -%}
+    {% if cell.metadata.slideshow | length > 0 -%}
+        {% if cell.metadata.slideshow.data | length > 0 -%}
+            {% for key in (cell.metadata.slideshow.data) -%}
+                {{- (' data_' ~ key)|replace("_", "-") -}}="{{- cell.metadata.slideshow.data[key]|escape_html -}}"
+            {%- endfor -%}
+        {%- endif %}
+    {%- endif %}
+{%- endmacro %}