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authorChristian Franke <nobody@nowhere.ws>2012-01-08 14:33:12 +0100
committerChristian Franke <nobody@nowhere.ws>2012-01-09 20:39:26 +0100
commitf8eced917dbd4d01d39a881a0ba948a575452a0d (patch)
treeb34df8f9b071078b8528dfdcc978bafa04c70d97 /sublab_project/preview_admin
parentae37dee28f9a52e422836a925bad8ccf684fe3d8 (diff)
add preview_admin
Diffstat (limited to 'sublab_project/preview_admin')
-rw-r--r--sublab_project/preview_admin/__init__.py1
-rw-r--r--sublab_project/preview_admin/admin.py47
2 files changed, 48 insertions, 0 deletions
diff --git a/sublab_project/preview_admin/__init__.py b/sublab_project/preview_admin/__init__.py
new file mode 100644
index 0000000..3d18e8d
--- /dev/null
+++ b/sublab_project/preview_admin/__init__.py
@@ -0,0 +1 @@
+from preview_admin.admin import PreviewAdmin
diff --git a/sublab_project/preview_admin/admin.py b/sublab_project/preview_admin/admin.py
new file mode 100644
index 0000000..6f6f0e2
--- /dev/null
+++ b/sublab_project/preview_admin/admin.py
@@ -0,0 +1,47 @@
+from django.contrib.admin import ModelAdmin
+from django.conf.urls.defaults import patterns, url
+from django.core.urlresolvers import reverse, NoReverseMatch
+from django.shortcuts import render_to_response
+from django.utils.safestring import mark_safe
+
+import logging
+logger = logging.getLogger('preview_admin')
+
+class PreviewAdmin(ModelAdmin):
+ preview_fields = {}
+ def get_urls(self):
+ info = self.model._meta.app_label, self.model._meta.module_name
+
+ urls = super(PreviewAdmin, self).get_urls()
+ myurls = patterns('',
+ url(r'^preview/(.+)/$', self.admin_site.admin_view(self.preview),
+ name='%s_%s_preview' % info),
+ )
+ return myurls + urls
+
+ def add_preview(self, formfield):
+ render = formfield.widget.render
+
+ def preview_render(name, *args, **kwargs):
+ rendered = render(name, *args, **kwargs)
+
+ info = self.model._meta.app_label, self.model._meta.module_name
+ preview_url = reverse('admin:%s_%s_preview' % info,
+ args=[name], current_app=self.admin_site.name)
+
+ rendered += '<p><a href="%s">Preview</a></p>' % preview_url
+ return mark_safe(rendered)
+
+ formfield.widget.render = preview_render
+
+ def formfield_for_dbfield(self, db_field, **kwargs):
+ formfield = super(PreviewAdmin, self).formfield_for_dbfield(db_field, **kwargs)
+
+ if db_field.name in self.preview_fields:
+ self.add_preview(formfield)
+
+ return formfield
+
+ def preview(self, request, field):
+ return render_to_response('404.html')
+