class CalibrationPresenter(object):
def __init__(self, model, view):
self.model = model
self.view = view
self.worker = None
self.calibration_notifier = self.CalibrationNotifier(self)
self.current_calibration = CalibrationInfo()
self.connect_view_signals()
# Main Window State Variables
self.instrument = "ENGINX"
self.rb_num = None
# Cropping Options
self.cropping_widget = CroppingPresenter(parent=self.view, view=self.view.get_cropping_widget())
self.show_cropping(False)
def connect_view_signals(self):
self.view.set_on_calibrate_clicked(self.on_calibrate_clicked)
self.view.set_enable_controls_connection(self.set_calibrate_controls_enabled)
self.view.set_update_field_connection(self.set_field_value)
self.view.set_on_radio_new_toggled(self.set_create_new_enabled)
self.view.set_on_radio_existing_toggled(self.set_load_existing_enabled)
self.view.set_on_check_cropping_state_changed(self.show_cropping)
def update_calibration_from_view(self):
self.current_calibration.clear()
if self.view.get_load_checked():
# loading calibration from path to .prm
self.current_calibration.set_calibration_from_prm_fname(self.view.get_path_filename())
else:
# make a new calibration
sample_file = self.view.get_sample_filename()
self.current_calibration.set_calibration_paths(self.instrument, sample_file)
# set group and any additional parameters needed
if self.view.get_crop_checked():
self.current_calibration.set_group(self.cropping_widget.get_group())
if self.current_calibration.group == GROUP.CUSTOM:
self.current_calibration.set_cal_file(self.cropping_widget.get_custom_calfile())
elif self.current_calibration.group == GROUP.CROPPED:
self.current_calibration.set_spectra_list(self.cropping_widget.get_custom_spectra())
else:
# default if no cropping
self.current_calibration.set_group(GROUP.BOTH)
def on_calibrate_clicked(self):
if self.view.get_new_checked() and self._validate():
self.update_calibration_from_view()
self.start_calibration_worker(self.view.get_plot_output())
elif self.view.get_load_checked() and self.validate_path():
self.update_calibration_from_view()
self.model.load_existing_calibration_files(self.current_calibration)
self._notify_updated_calibration()
def start_calibration_worker(self, plot_output):
"""
Calibrate the data in a separate thread so as to not freeze the GUI.
"""
self.worker = AsyncTask(self.model.create_new_calibration,
(self.current_calibration, self.rb_num, plot_output),
error_cb=self._on_error,
success_cb=self._on_success)
self.set_calibrate_controls_enabled(False)
self.worker.start()
def _on_error(self, error_info):
logger.error(str(error_info))
self.emit_enable_button_signal()
def _on_success(self, success_info):
self._notify_updated_calibration()
self.emit_enable_button_signal()
def _notify_updated_calibration(self):
self.calibration_notifier.notify_subscribers(self.current_calibration)
set_setting(output_settings.INTERFACES_SETTINGS_GROUP, output_settings.ENGINEERING_PREFIX,
"last_calibration_path", self.current_calibration.get_prm_filepath())
def set_field_value(self):
self.view.set_sample_text(self.current_calibration.get_sample())
def load_last_calibration(self) -> None:
"""
Loads the most recently created or loaded calibration into the interface instance. To be used on interface
startup.
"""
last_cal_path = get_setting(output_settings.INTERFACES_SETTINGS_GROUP, output_settings.ENGINEERING_PREFIX,
"last_calibration_path")
if last_cal_path:
self.view.set_load_checked(True)
self.view.set_file_text_with_search(last_cal_path)
def set_instrument_override(self, instrument):
instrument = INSTRUMENT_DICT[instrument]
self.view.set_instrument_override(instrument)
self.instrument = instrument
def set_rb_num(self, rb_num):
self.rb_num = rb_num
def _validate(self):
# Do nothing if run numbers are invalid or view is searching.
if self.view.is_searching():
create_error_message(self.view, "Mantid is searching for data files. Please wait.")
return False
if not self.view.get_sample_valid():
create_error_message(self.view, "Check run numbers/path is valid.")
return False
if self.view.get_crop_checked():
if self.cropping_widget.get_custom_calfile_enabled() and not self.cropping_widget.is_calfile_valid():
create_error_message(self.view, "Check custom calfile path is valid.")
return False
if self.cropping_widget.get_custom_spectra_enabled() and not self.cropping_widget.is_spectra_valid():
create_error_message(self.view, "Check custom spectra are valid.")
return False
return True
def validate_path(self):
return self.view.get_path_valid()
def emit_enable_button_signal(self):
self.view.sig_enable_controls.emit(True)
def set_calibrate_controls_enabled(self, enabled):
self.view.set_calibrate_button_enabled(enabled)
def set_create_new_enabled(self, enabled):
self.view.set_sample_enabled(enabled)
if enabled:
self.set_calibrate_button_text("Calibrate")
self.view.set_check_plot_output_enabled(True)
self.view.set_check_cropping_enabled(True)
self.find_files()
def set_load_existing_enabled(self, enabled):
self.view.set_path_enabled(enabled)
if enabled:
self.set_calibrate_button_text("Load")
self.view.set_check_plot_output_enabled(False)
self.view.set_check_cropping_enabled(False)
self.view.set_check_cropping_checked(False)
def set_calibrate_button_text(self, text):
self.view.set_calibrate_button_text(text)
def find_files(self):
self.view.find_sample_files()
def show_cropping(self, show):
self.view.set_cropping_widget_visibility(show)
# -----------------------
# Observers / Observables
# -----------------------
class CalibrationNotifier(Observable):
def __init__(self, outer):
Observable.__init__(self)
self.outer = outer
def notify_subscribers(self, *args, **kwargs):
Observable.notify_subscribers(self, *args)
class EnginX:
def __init__(self,
vanadium_run: str,
focus_runs: Sequence[str],
save_dir: str,
full_inst_calib_path: str,
prm_path: Optional[str] = None,
ceria_run: Optional[str] = None,
group: Optional[GROUP] = None,
calfile_path: Optional[str] = None,
spectrum_num: Optional[str] = None) -> None:
# init attributes
self.calibration = CalibrationInfo()
self.van_run = vanadium_run
self.focus_runs = focus_runs
self.save_dir = save_dir
# Load custom full inst calib if supplied (needs to be in ADS)
try:
self.full_calib_ws = Load(full_inst_calib_path,
OutputWorkspace="full_inst_calib")
except ValueError as e:
logger.error("Unable to load calibration file " +
full_inst_calib_path + ". Error: " + str(e))
# setup CalibrationInfo object
if prm_path:
self.calibration.set_calibration_from_prm_fname(
prm_path) # to load existing calibration
elif ceria_run and group:
# make new calibration
self.calibration.set_group(group)
self.calibration.set_calibration_paths("ENGINX", ceria_run)
if group == GROUP.CUSTOM and calfile_path:
self.calibration.set_cal_file(calfile_path)
elif group == GROUP.CROPPED and spectrum_num:
self.calibration.set_spectra_list(spectrum_num)
def calibrate(self, plot_output: bool) -> None:
if self.calibration.get_prm_filepath():
self.calibration.load_relevant_calibration_files(
) # loading existing calibration files
else:
create_new_calibration(self.calibration,
rb_num=None,
plot_output=plot_output,
save_dir=self.save_dir,
full_calib=self.full_calib_ws)
def focus(self, plot_output: bool) -> None:
if self.calibration.is_valid() and self.van_run:
focus_run(self.focus_runs,
self.van_run,
plot_output,
rb_num=None,
calibration=self.calibration,
save_dir=self.save_dir,
full_calib=self.full_calib_ws)
def main(self, plot_cal: bool = False, plot_foc: bool = False):
self.calibrate(plot_cal)
self.focus(plot_foc)