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https://github.com/Hopiu/django-imagekit.git
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2770be23ea
Bound fields are now named as such (BoundBlah), extend their unbound counterparts, and their constructors accept an unbound instance.
48 lines
1.6 KiB
Python
Executable file
48 lines
1.6 KiB
Python
Executable file
from django.utils.translation import ugettext_lazy as _
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from django.template.loader import render_to_string
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class AdminThumbnailView(object):
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short_description = _('Thumbnail')
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allow_tags = True
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def __init__(self, image_field, template=None):
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"""
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Keyword arguments:
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image_field -- the name of the ImageField or ImageSpec on the model to
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use for the thumbnail.
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template -- the template with which to render the thumbnail
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"""
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self.image_field = image_field
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self.template = template
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def __get__(self, obj, type=None):
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return BoundAdminThumbnailView(obj, self)
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class BoundAdminThumbnailView(AdminThumbnailView):
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def __init__(self, model_instance, unbound_field):
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super(BoundAdminThumbnailView, self).__init__(unbound_field.image_field,
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unbound_field.template)
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self.model_instance = model_instance
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def __unicode__(self):
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thumbnail = getattr(self.model_instance, self.image_field, None)
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if not thumbnail:
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raise Exception('The property {0} is not defined on {1}.'.format(
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self.model_instance, self.image_field))
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original_image = getattr(thumbnail, '_imgfield', None) or thumbnail
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template = self.template or 'imagekit/admin/thumbnail.html'
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return render_to_string(template, {
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'model': self.model_instance,
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'thumbnail': thumbnail,
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'original_image': original_image,
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})
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def __get__(self, obj, type=None):
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"""Override AdminThumbnailView's implementation."""
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return self
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