Forms: preview posted images

2 files changed, 18 insertions, 2 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):
diff --git a/ishtar_common/wizards.py b/ishtar_common/wizards.py
index 8e7cd0c74..e47d5b48b 100644
--- a/ishtar_common/wizards.py
+++ b/ishtar_common/wizards.py
@@ -19,6 +19,7 @@
 
 import datetime
 import logging
+import os
 # from functools import wraps
 
 from django.conf import settings
@@ -28,7 +29,7 @@ from formtools.wizard.views import NamedUrlWizardView, normalize_name, \
 from django.contrib.sites.models import Site
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.files.images import ImageFile
-from django.core.files.storage import default_storage
+from django.core.files.storage import default_storage, FileSystemStorage
 from django.core.mail import send_mail
 from django.db.models.fields.files import FileField, ImageFieldFile
 from django.db.models.fields.related import ManyToManyField
@@ -143,7 +144,9 @@ class Wizard(NamedUrlWizardView):
     current_obj_slug = ''
     current_object_key = 'pk'
     ignore_init_steps = []
-    file_storage = default_storage
+    file_storage = FileSystemStorage(
+        location=os.path.join(settings.MEDIA_ROOT, 'tmp')
+    )
     main_item_select_keys = ('selec-',)
     formset_pop_deleted = True
 
@@ -358,6 +361,7 @@ class Wizard(NamedUrlWizardView):
         # not last step: validation
         if current_step != self.steps.last:
             return context
+
         final_form_list = []
         for form_key in self.get_form_list().keys():
             form_obj = self.get_form(