class ImageAdmin(ModelAdmin):
roles_accepted = ('admin', 'editor')
column_list = ('title', 'path', 'thumb', 'published')
form_columns = ['title', 'path', 'published']
def _list_thumbnail(view, context, model, name):
if not model.path:
return ''
return Markup(
'<img src="%s">' % url_for(
'media',
filename="images/{}".format(form.thumbgen_filename(model.path))
)
)
column_formatters = {
'thumb': _list_thumbnail
}
form_extra_fields = {
'path': form.ImageUploadField(
'Image',
base_path=os.path.join(settings.MEDIA_ROOT, 'images'),
thumbnail_size=(100, 100, True),
endpoint="media"
)
}
class ImageView(sqla.ModelView):
def _list_thumbnail(view, context, model, name):
if not model.path:
return ''
return Markup(
'<img src="%s">' %
url_for('static', filename=form.thumbgen_filename(model.path)))
column_formatters = {'path': _list_thumbnail}
# Alternative way to contribute field is to override it completely.
# In this case, Flask-Admin won't attempt to merge various parameters for the field.
form_extra_fields = {
'path':
form.ImageUploadField('Image',
base_path=file_path,
thumbnail_size=(100, 100, True))
}
def prefix_name(obj, file_data):
# Collect name and extension
parts = op.splitext(file_data.filename)
# Get current time (for unique hash)
timestamp = str(round(time.time()))
# Has filename only (not extension)
file_name = secure_filename(timestamp + '%s' % parts[0])
# Put them together
full_name = hashlib.md5(file_name).hexdigest() + parts[1]
return full_name
image_upload_field = form.ImageUploadField('Image',
base_path=file_path,
thumbnail_size=(100, 100, True),
namegen=prefix_name,
endpoint='bp_filemanager.static')
# Define wtforms widget and field
class CKTextAreaWidget(widgets.TextArea):
def __call__(self, field, **kwargs):
kwargs.setdefault('class_', 'ckeditor')
return super(CKTextAreaWidget, self).__call__(field, **kwargs)
class CKTextAreaField(fields.TextAreaField):
widget = CKTextAreaWidget()
class TestAutoResizeForm(form.BaseForm):
upload = form.ImageUploadField('Upload',
base_path=path,
max_size=(64, 64, True))
class TestNoResizeForm(form.BaseForm):
upload = form.ImageUploadField('Upload',
base_path=path,
endpoint='test')
class TestForm(form.BaseForm):
upload = form.ImageUploadField('Upload',
base_path=path,
thumbnail_size=(100, 100, True))
def image_upload_field(label):
return form.ImageUploadField(label,
base_path=file_path,
thumbnail_size=(100, 100, True),
namegen=prefix_name,
endpoint='filemanager.static')
