Changes between Initial Version and Version 1 of CookBookTemplateTagRegroup

Timestamp:

Feb 27, 2006, 4:56:13 AM (18 years ago)

Author:

anonymous

Comment:

--

CookBookTemplateTagRegroup

@@ +1 @@
+= CookBook - Template tag Regroup =
+
+If you need to group a list of objects by a choice like fied '''choices = CATEGORY_CHOICES''',
+here is the trick.
+
+A Model.
+{{{
+#!python
+
+CATEGORY_CHOICES = (
+        (1, 'Entrées'),
+        (2, 'Poissons et crustacés'),
+        (3, 'Viandes et volailles'),
+        (4, 'Légumes et accompagnements'),
+        (5, 'Desserts'),
+        (6, 'Boissons'),
+        (8, 'Autres'),
+)       
+
+class Recette(meta.Model):
+        [...]
+        categorie = meta.SmallIntegerField(choices = CATEGORY_CHOICES)
+
+}}}
+
+The Rrgroup tag in action, the thing is that you don't want to display the category
+number bit its corresponding name. (e.g not '1' but 'Entrées').
+
+Temmplate
+{{{
+#!python
+
+{% regroup recettes by categorie as grouped %}
+<ul>
+{% for group in grouped %}
+        <li>{{ group.list.0.get_categorie_display }} 
+    <ul>
+        {% for item in group.list %}
+        <li>{{ item }}</li>
+        {% endfor %}
+    </ul>
+{% endfor %}
+</ul>
+
+}}}