def handle_load_grouping_from_file(self):
# Only XML format
file_filter = file_utils.filter_for_extensions(["xml"])
filename = self._view.show_file_browser_and_return_selection(
file_filter, [""])
if filename == '':
return
groups, pairs, description, default = xml_utils.load_grouping_from_XML(
filename)
self._model.clear()
for group in groups:
try:
self._model.add_group(group)
except ValueError as error:
self._view.display_warning_box(str(error))
for pair in pairs:
if pair.forward_group in self._model.group_names and pair.backward_group in self._model.group_names:
self._model.add_pair(pair)
self.grouping_table_widget.update_view_from_model()
self.pairing_table_widget.update_view_from_model()
self.update_description_text(description)
self._model._context.group_pair_context.selected = default
self.groupingNotifier.notify_subscribers()
self.handle_update_all_clicked()
def get_filenames_from_user(self):
file_filter = file_utils.filter_for_extensions(["nxs"])
directory = ""
filenames = self._view.show_file_browser_and_return_selection(file_filter, [directory],
multiple_files=self._multiple_files)
# validate
filenames = file_utils.parse_user_input_to_files(";".join(filenames))
filenames = file_utils.remove_duplicated_files_from_list(filenames)
return filenames
def get_filenames_from_user(self):
file_filter = file_utils.filter_for_extensions(["bin", "nxs"])
directory = ""
filenames = self._view.show_file_browser_and_return_selection(
file_filter, [directory], multiple_files=self._multiple_files)
# validate
filenames = file_utils.parse_user_input_to_files(";".join(filenames))
filenames = file_utils.remove_duplicated_files_from_list(filenames)
return filenames
def handle_load_grouping_from_file(self):
# Only XML format
file_filter = file_utils.filter_for_extensions(["xml"])
filename = self._view.show_file_browser_and_return_selection(
file_filter, [""])
if filename == '':
return
groups, pairs, diffs, description, default = xml_utils.load_grouping_from_XML(
filename)
self._model.clear()
for group in groups:
try:
self._model.add_group(group)
except ValueError as error:
self._view.display_warning_box(str(error))
for pair in pairs:
try:
if pair.forward_group in self._model.group_names and pair.backward_group in self._model.group_names:
self._model.add_pair(pair)
except ValueError as error:
self._view.display_warning_box(str(error))
for diff in diffs:
try:
if diff.positive in self._model.group_names and diff.negative in self._model.group_names:
self._model.add_diff(diff)
elif diff.positive in self._model.pair_names and diff.negative in self._model.pair_names:
self._model.add_diff(diff)
except ValueError as error:
self._view.display_warning_box(str(error))
# Sets the default from file if it exists, if not selected groups/pairs are set on the logic
# Select all pairs if there are any pairs otherwise select all groups.
if default:
if default in self._model.group_names:
self._model.add_group_to_analysis(default)
elif default in self._model.pair_names:
self._model.add_pair_to_analysis(default)
self.grouping_table_widget.update_view_from_model()
self.pairing_table_widget.update_view_from_model()
self.diff_table.update_view_from_model()
self.update_description_text(description)
self._model._context.group_pair_context.selected = default
self.plot_default_groups_or_pairs()
self.groupingNotifier.notify_subscribers()
self.handle_update_all_clicked()
def handle_dead_time_browse_clicked(self):
"""User selects the option to Browse for a nexus file to load dead times from."""
filename = self._view.show_file_browser_and_return_selection(
filter_for_extensions(['nxs']), [''], multiple_files=False)[0]
if filename == '':
return
name = load_utils.load_dead_time_from_filename(filename)
if name == "":
self._view.warning_popup("File does not appear to contain dead time data.")
return
# switch the view to the "from table workspace" option
self._view.set_dead_time_selection(2)
is_set = self._view.set_dead_time_file_selection_text(name)
if not is_set:
self._view.warning_popup("Dead time table cannot be loaded")
def handle_dead_time_browse_clicked(self):
"""User selects the option to Browse for a nexus file to load dead times from."""
filename = self._view.show_file_browser_and_return_selection(
filter_for_extensions(['nxs']), [''], multiple_files=False)[0]
if filename == '':
return
name = load_utils.load_dead_time_from_filename(filename)
if name == "":
self._view.warning_popup(
"File does not appear to contain dead time data.")
return
# switch the view to the "from table workspace" option
self._view.set_dead_time_selection(DEADTIME_WORKSPACE)
is_set = self._view.set_dead_time_file_selection_text(name)
if not is_set:
self._view.warning_popup("Dead time table cannot be loaded")
def show_file_browser_and_return_selection(self, extensions: list, search_directories: list,
multiple_files: bool = False) -> list:
"""Opens the file browser and returns the selected file name."""
return show_file_browser_and_return_selection(self, filter_for_extensions(extensions), search_directories,
multiple_files)
