def __path_dlg(self, item: QListWidgetItem):
"""View path data."""
name = item.text().split(":")[0]
try:
data = self.__path_data[name]
except KeyError:
return
points_text = ", ".join(f"Point{i}" for i in range(len(data)))
if QMessageBox.question(
self,
"Path data",
f"This path data including {points_text}.",
(QMessageBox.Save | QMessageBox.Close),
QMessageBox.Close
) != QMessageBox.Save:
return
file_name = self.output_to(
"path data",
["Comma-Separated Values (*.csv)", "Text file (*.txt)"]
)
if not file_name:
return
with open(file_name, 'w', encoding='utf-8', newline='') as stream:
writer = csv.writer(stream)
for point in data:
for coordinate in point:
writer.writerow(coordinate)
writer.writerow(())
logger.info(f"Output path data: {file_name}")
def on_mechanism_storage_restore_clicked(self, item: QListWidgetItem = None):
"""Restore the storage data."""
if item is None:
item = self.mechanism_storage.currentItem()
if not item:
return
reply = QMessageBox.question(
self, "Storage", "Restore mechanism will overwrite the canvas." +
"\nDo you want to continue?")
if reply != QMessageBox.Yes:
return
name = item.text()
self.CommandStack.beginMacro("Restore from {{Mechanism: {}}}".format(name))
_clearStorage(self)
self.parseExpression(item.expr)
self.CommandStack.push(
DeleteStorage(self.mechanism_storage.row(item),
self.mechanism_storage))
self.CommandStack.push(
AddStorageName(name, self.mechanism_storage_name_tag))
self.CommandStack.endMacro()