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from django.contrib.admin.widgets import AdminFileWidget
from django.utils.translation import ugettext as _
from django.utils.safestring import mark_safe
from django.conf import settings
from PIL import Image
import os
try:
from sorl.thumbnail.main import DjangoThumbnail
def thumbnail(image_path):
t = DjangoThumbnail(relative_source=image_path, requested_size=(200,200))
return u'<img src="%s" alt="%s" />' % (t.absolute_url, image_path)
except ImportError:
def thumbnail(image_path):
absolute_url = os.path.join(settings.IMAGES_URL, image_path)
return u'<img src="%s" alt="%s" />' % (absolute_url, image_path)
class AdminImageWidget(AdminFileWidget):
"""
A FileField Widget that displays an image instead of a file path
if the current file is an image.
"""
def render(self, name, value, attrs=None):
output = []
file_name = str(value)
if file_name:
file_path = '%s' % (file_name)
output.append('<a target="_blank" href="%s">%s</a><br />%s <a target="_blank" href="%s">%s</a><br />%s ' % \
(file_path, thumbnail(file_name), _('Currently:'), file_path, file_name, _('Change:')))
output.append(super(AdminFileWidget, self).render(name, value, attrs))
return mark_safe(u''.join(output))
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