def update(self):
# As structure is assigned by the parent/manager, we can use it
# to determine the state of the migrate button and others.
result = getExposureFileType(self, self.structure['file_type'])
if result:
title, views, tags, selected_view = result
if views is None:
self.label = '%s %s' % (self.label, 'not found')
self.status = _(
u"Could not find the original file type definition that "
"defined this file."
)
else:
self.label = '%s %s' % (self.label, title)
previous_views = [v for v, n in self.structure['views']]
self.showMigrateButton = previous_views != views
if self.showMigrateButton:
self.status = _(
u"This file has an updated file type definition. "
"Select `migrate subgroup` to make use of the new "
"format."
)
else:
# Catalog got nuked?
self.label = '%s %s' % (self.label, 'unknown')
self.status = _(u"Catalog unavailable.")
return super(ExposureFileTypeAnnotatorWizardGroup, self).update()
def handleNext(self, action):
data, errors = self.extractData()
group_names = None
if 'annotators' in data and data['annotators']:
group_names = list(data['annotators'])
if group_names is None:
result = getExposureFileType(self, data['eftypes'])
if result is None:
# abort, since there really is no catalog, let the user
# know.
self.status = _('Catalog not found.')
return
elif result:
# we have what we want.
title, views, tags, selected_view = result
group_names = views
self.context.setSubject(tags)
self.context.selected_view = selected_view
self.context.file_type = data['eftypes']
self.status = _('File type assigned. Please select views '
'to add to this file.')
self.context.views = self.group_names = group_names
if group_names:
# we have more views, redirect
return self.request.response.redirect(
self.context.absolute_url() + '/@@edit_annotations')
# since there was no fields selected and the file type supplied
# had no views defined, we prompt the form again without the
# types enabled.
self.fields.omit('eftypes')
def handleMigrate(self, action):
"""\
Migrate this group.
This will fetch the new set of views available with the filetype
associated with this group, bringing the views available to be
up-to-date with what is choosen.
Should only be available when there is a need.
"""
# XXX this really should be implemented as part of the file type
# section. However due to the implementation of the decorator
# used to define this, new buttons are replaced completely if
# defined at a subclass.
result = getExposureFileType(self, self.structure['file_type'])
if result is None:
# XXX somehow error, see above comment about grouping...
return
title, views, tags, selected_view = result
previous_views = dict(self.structure['views'])
new_views = []
for v in views:
new_views.append((v, previous_views.get(v, None)))
self.structure['views'] = new_views
self.parentForm._updated = True
