Forms: preview posted images

1 files changed, 12 insertions, 0 deletions

diff --git a/ishtar_common/widgets.py b/ishtar_common/widgets.py
index 60e5fc016..192de6f65 100644
--- a/ishtar_common/widgets.py
+++ b/ishtar_common/widgets.py
@@ -25,6 +25,7 @@ from django import forms
 from django.conf import settings
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.db.models import fields
+from django.db.models.fields.files import ImageFieldFile
 from django.forms import ClearableFileInput
 from django.forms.utils import flatatt
 from django.forms.widgets import CheckboxSelectMultiple as \
@@ -294,6 +295,17 @@ class ImageFileInput(ClearableFileInput):
     template_name = 'widgets/image_input.html'
     NO_FORM_CONTROL = True
 
+    def format_value(self, value):
+        if self.is_initial(value):
+            return value
+        # try to display posted images
+        if hasattr(value, 'file'):
+            full_path = unicode(value.file)
+            if full_path.startswith(settings.MEDIA_ROOT):
+                value.url = settings.MEDIA_URL + full_path[
+                                                 len(settings.MEDIA_ROOT):]
+        return value
+
 
 class SquareMeterWidget(forms.TextInput):
     def render(self, name, value, attrs=None, renderer=None):