+ list_display = ['text', 'sticky', 'vip', 'small', 'has_image']
+ fieldsets = (
+ (None, {'fields': ('book', 'text', 'small', 'vip', 'link', 'sticky')}),
+ (
+ _('Background'),
+ {'fields': ('image', 'image_shift', 'image_title', 'image_author',
+ 'image_link', 'image_license', 'image_license_link')
+ }
+ )
+ )
+
+ def has_image(self, cite):
+ return bool(cite.image)
+ has_image.description = _('image')
+ has_image.boolean = True