def config_autocut_params(self, method):
index = self.autocut_methods.index(method)
self.w.auto_method.setCurrentIndex(index)
# remove old params
layout = self.w.acvbox.layout()
for child in QtHelp.children(layout):
QtHelp.removeWidget(layout, child)
# Create new autocuts object of the right kind
ac = AutoCuts.get_autocuts(method)(self.logger)
# Build up a set of control widgets for the autocuts
# algorithm tweakable parameters
paramlst = ac.get_params_metadata()
params = self.autocuts_cache.setdefault(method, {})
self.ac_params = QtHelp.ParamSet(self.logger, params)
w = self.ac_params.build_params(paramlst)
self.ac_params.add_callback('changed', self.autocut_params_changed_cb)
self.w.acvbox.layout().addWidget(w, stretch=1)
