def render(self, name, value, attrs=None):
inputfield = super(MediaFileWidget, self).render(name, value, attrs)
if value:
try:
mf = MediaFile.objects.get(pk=value)
except MediaFile.DoesNotExist:
return inputfield
try:
caption = mf.translation.caption
except (AttributeError, ObjectDoesNotExist):
caption = _('(no caption)')
image = admin_thumbnail(mf)
if image:
image = u'<img src="%(url)s" alt="" /><br />' % {'url': image}
else:
image = u''
return mark_safe(u"""
<div style="margin-left:10em">%(image)s
<a href="%(url)s" target="_blank">%(caption)s - %(url)s</a><br />
%(inputfield)s
</div>""" % {
'image': image,
'url': mf.file.url,
'caption': caption,
'inputfield': inputfield})
return inputfield
def label_for_value(self, value):
key = self.rel.get_related_field().name
try:
obj = self.rel.to._default_manager.using(self.db).get(**{key: value})
label = [
' <strong>%s</strong>' %
escape(shorten_string(six.text_type(obj)))
]
image = admin_thumbnail(obj)
label.append(' <a href="{0}" target="_blank">preview</a>'.format(
obj.file.url))
url = reverse('admin:{0}_{1}_change'.format(obj._meta.app_label,
obj._meta.module_name),
args=(obj.pk, ))
label.append(' <a href="{0}" target="_blank">edit</a>'.format(url))
if image:
label.append(
'<br /><img src="%s" alt="" style="margin:1em 0 0 10em"'
'/>' % image)
return ''.join(label)
except (ValueError, self.rel.to.DoesNotExist):
return ''
def mediafile_reverse_url(self, url, ctx):
"""
Tries to intuit what the user dropped onto us. This might be
a link to a MediaFile in case she dragged the "Title" column
over, or it might be a link to a file in the media library
if she dragged the image itself.
"""
mediafile = None
try:
if url.path.startswith(self.mediachange_url):
# Dropped a MediaFile url
rest = url.path[len(self.mediachange_url):-1]
mediafile = MediaFile.objects.get(pk=int(rest))
elif url.path.startswith(self.mediaurl.path):
# Dropped an image url (from media library)
file_path = url.path[len(self.mediaurl.path):]
mediafile = MediaFile.objects.get(file=file_path)
except MediaFile.DoesNotExist:
pass
else:
if mediafile is not None:
logger.debug("%s converted \"%s\" into %s(pk=%d)",
self.__class__.__name__, url.path, mediafile.__class__.__name__, mediafile.pk)
image = admin_thumbnail(mediafile, dimensions="150x100")
ctx['mediafile_id'] = mediafile.id
ctx['mediafile_type'] = mediafile.type
ctx['mediafile_caption'] = unicode(mediafile)
ctx['mediafile_url'] = image
ctx['status'] = 200
def render(self, name, value, attrs=None):
inputfield = super(MediaFileWidget, self).render(name, value, attrs)
if value:
try:
mf = MediaFile.objects.get(pk=value)
except MediaFile.DoesNotExist:
return inputfield
try:
caption = mf.translation.caption
except (AttributeError, ObjectDoesNotExist):
caption = _('(no caption)')
image = admin_thumbnail(mf)
if image:
image = u'<img src="%(url)s" alt="" /><br />' % {'url': image}
else:
image = u''
return mark_safe(
u"""
<div style="margin-left:10em">%(image)s
<a href="%(url)s" target="_blank">%(caption)s - %(url)s</a><br />
%(inputfield)s
</div>""" % {
'image': image,
'url': mf.file.url,
'caption': caption,
'inputfield': inputfield
})
return inputfield
def admin_thumbnail(self, instance):
if not instance.image:
return u''
image = admin_thumbnail(instance.image)
if image:
return mark_safe(u"""
<a href="%(url)s" target="_blank">
<img src="%(image)s" alt="" />
</a>""" % {
'url': instance.image.url,
'image': image,
})
return u''
def admin_thumbnail(self, instance):
if not instance.image:
return u''
image = admin_thumbnail(instance.image)
if image:
return mark_safe(
u"""
<a href="%(url)s" target="_blank">
<img src="%(image)s" alt="" />
</a>""" % {
'url': instance.image.url,
'image': image,
})
return u''
def render(self, name, value, attrs=None):
html = super(MediaFileWidget, self).render(name, value, attrs)
if value:
try:
id = int(value)
mf = MediaFile.objects.get(pk=id)
except (MediaFile.DoesNotExist, ValueError):
return html
image = admin_thumbnail(mf, dimensions="150x100")
if image:
image = u'<img class="image-preview" src="%(url)s" />' % {'url': image}
html = html + image
return mark_safe(html)
return html
def label_for_value(self, value):
key = self.rel.get_related_field().name
try:
obj = self.rel.to._default_manager.using(self.db).get(
**{key: value})
label = [' <strong>%s</strong>' % escape(
shorten_string(six.text_type(obj)))]
image = admin_thumbnail(obj)
label.append(' <a href="{0}" target="_blank">preview</a>'.format(obj.file.url))
url = reverse('admin:{0}_{1}_change'.format(obj._meta.app_label, obj._meta.module_name), args=(obj.pk,))
label.append(' <a href="{0}" target="_blank">edit</a>'.format(url))
if image:
label.append(
'<br /><img src="%s" alt="" style="margin:1em 0 0 10em"'
'/>' % image)
return ''.join(label)
except (ValueError, self.rel.to.DoesNotExist):
return ''
