Fixed #957 -- prepopulated_fields now works correctly on inlines.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8385 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/options.py

@@ -822,6 +822,14 @@ def __init__(self, parent_model, admin_site):
             self.verbose_name = self.model._meta.verbose_name
         if self.verbose_name_plural is None:
             self.verbose_name_plural = self.model._meta.verbose_name_plural
+
+    def _media(self):
+        from django.conf import settings
+        js = []
+        if self.prepopulated_fields:
+            js.append('js/urlify.js')
+        return forms.Media(js=['%s%s' % (settings.ADMIN_MEDIA_PREFIX, url) for url in js])
+    media = property(_media)
 
     def get_formset(self, request, obj=None):
         """Returns a BaseInlineFormSet class for use in admin add/change views."""
@@ -866,7 +874,7 @@ def fields(self):
             yield self.formset.form.base_fields[field_name]
 
     def _media(self):
-        media = self.formset.media
+        media = self.opts.media + self.formset.media
         for fs in self:
             media = media + fs.media
         return media

django/contrib/admin/templates/admin/change_form.html

@@ -58,20 +58,7 @@
 {% endif %}
 
 {# JavaScript for prepopulated fields #}
-
-{% if add %}
-<script type="text/javascript">
-{% for field in adminform.prepopulated_fields %}
-    document.getElementById("{{ field.field.auto_id }}").onchange = function() { this._changed = true; };
-    {% for dependency in field.dependencies %}
-    document.getElementById("{{ dependency.auto_id }}").onkeyup = function() {
-        var e = document.getElementById("{{ field.field.auto_id }}");
-        if (!e._changed) { e.value = URLify({% for innerdep in field.dependencies %}document.getElementById("{{ innerdep.auto_id }}").value{% if not forloop.last %} + ' ' + {% endif %}{% endfor %}, {{ field.field.field.max_length }}); }
-    }
-    {% endfor %}
-{% endfor %}
-</script>
-{% endif %}
+{% prepopulated_fields_js %}
 
 </div>
 </form></div>

django/contrib/admin/templates/admin/prepopulated_fields_js.html

@@ -0,0 +1,11 @@
+<script type="text/javascript">
+{% for field in prepopulated_fields %}
+    document.getElementById("{{ field.field.auto_id }}").onchange = function() { this._changed = true; };
+    {% for dependency in field.dependencies %}
+    document.getElementById("{{ dependency.auto_id }}").onkeyup = function() {
+        var e = document.getElementById("{{ field.field.auto_id }}");
+        if (!e._changed) { e.value = URLify({% for innerdep in field.dependencies %}document.getElementById("{{ innerdep.auto_id }}").value{% if not forloop.last %} + ' ' + {% endif %}{% endfor %}, {{ field.field.field.max_length }}); }
+    }
+    {% endfor %}
+{% endfor %}
+</script>

django/contrib/admin/templatetags/admin_modify.py

@@ -2,6 +2,22 @@
 
 register = template.Library()
 
+def prepopulated_fields_js(context):
+    """
+    Creates a list of prepopulated_fields that should render Javascript for
+    the prepopulated fields for both the admin form and inlines.
+    """
+    prepopulated_fields = []
+    if context["add"]:
+        prepopulated_fields.extend(context["adminform"].prepopulated_fields)
+    for inline_admin_formset in context['inline_admin_formsets']:
+        for inline_admin_form in inline_admin_formset:
+            if inline_admin_form.original is None:
+                prepopulated_fields.extend(inline_admin_form.prepopulated_fields)
+    context.update({"prepopulated_fields": prepopulated_fields})
+    return context
+prepopulated_fields_js = register.inclusion_tag('admin/prepopulated_fields_js.html', takes_context=True)(prepopulated_fields_js)
+
 def submit_row(context):
     opts = context['opts']
     change = context['change']