add and use new filter extension multicol

3 files changed, 53 insertions, 12 deletions

diff --git a/_extensions/js/multicol-nohead/_extension.yml b/_extensions/js/multicol-nohead/_extension.yml
new file mode 100644
index 0000000..104f8ab
--- /dev/null
+++ b/_extensions/js/multicol-nohead/_extension.yml
@@ -0,0 +1,6 @@
+title: Multicol-NoHead
+author: Jonas Smedegaard
+version: 0.0.1
+contributes:
+  filters:
+    - multicol-nohead.lua
diff --git a/_extensions/js/multicol-nohead/multicol-nohead.lua b/_extensions/js/multicol-nohead/multicol-nohead.lua
new file mode 100644
index 0000000..1fa5d4a
--- /dev/null
+++ b/_extensions/js/multicol-nohead/multicol-nohead.lua
@@ -0,0 +1,47 @@
+-- Render content below header in three columns
+
+local multicol_begin = pandoc.RawBlock('latex', [[
+\begin{multicols}{2}\raggedcolumns
+]])
+local multicol_end = pandoc.RawBlock('latex', [[
+\end{multicols}
+]])
+
+local multicol_now = false
+
+-- TODO: include header level 2 and author paragraph above multicolumn
+function is_author(elem)
+    return elem.t == Para and elem.content[1].text == "Forfatter:"
+end
+
+function multicol_delimit(elem)
+    if multicol_now == true then
+      return {multicol_end, elem, multicol_begin}
+    else
+      multicol_now = true
+      return {elem, multicol_begin}
+    end
+end
+
+function Header(elem)
+  if FORMAT:match 'latex' then
+    if elem.level == 1 then
+      return multicol_delimit(elem)
+    end
+  end
+end
+
+function HorizontalRule(elem)
+  if FORMAT:match 'latex' then
+    return multicol_delimit(elem)
+  end
+end
+
+function Pandoc(doc)
+  if FORMAT:match 'latex' then
+    if multicol_now == true then
+      doc.blocks:insert(multicol_end)
+      return doc
+    end
+  end
+end
diff --git a/_extensions/js/stylish-issue/_extension.yaml b/_extensions/js/stylish-issue/_extension.yaml
index f799288..9d03703 100644
--- a/_extensions/js/stylish-issue/_extension.yaml
+++ b/_extensions/js/stylish-issue/_extension.yaml
@@ -56,15 +56,3 @@ contributes:
 # suppress figure label
     - text: |
         \usepackage[labelformat=empty]{caption}
-
-    include-before-body:
-    - text: |
-# enable multiple tagged columns
-    - text: |
-        \begin{multicols}{2}
-        \raggedcolumns
-
-    include-after-body:
-# conclude multiple tagged columns
-    - text: |
-        \end{multicols}