X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/876c24227952faa17eda5d706cb0b3316d5ffe24..fd9768648fe3e37115655245f7fe7aba2adcc5e5:/apps/catalogue/templatetags/catalogue_tags.py

diff --git a/apps/catalogue/templatetags/catalogue_tags.py b/apps/catalogue/templatetags/catalogue_tags.py
index e433b8e32..7667621d6 100644
--- a/apps/catalogue/templatetags/catalogue_tags.py
+++ b/apps/catalogue/templatetags/catalogue_tags.py
@@ -140,6 +140,22 @@ def book_tree(book_list, books_by_parent):
     else:
         return ''
 
+@register.simple_tag
+def book_tree_texml(book_list, books_by_parent, depth=1):
+    return "".join("""
+            <cmd name='hspace'><parm>%(depth)dem</parm></cmd>%(title)s
+            <spec cat='align' /><cmd name="note"><parm>%(audiences)s</parm></cmd>
+            <spec cat='align' /><cmd name="note"><parm>%(audiobook)s</parm></cmd>
+            <ctrl ch='\\' />
+            %(children)s
+            """ % {
+                "depth": depth,
+                "title": book.title, 
+                "audiences": ", ".join(book.audiences_pl()),
+                "audiobook": "audiobook" if book.has_media('mp3') else "",
+                "children": book_tree_texml(books_by_parent.get(book.id, ()), books_by_parent, depth + 1)
+            } for book in book_list)
+
 
 @register.simple_tag
 def all_editors(extra_info):